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sSkinProvider.pas

unit sSkinProvider;
{$I sDefs.inc}
{.$DEFINE LOGGED}

interface

uses
Windows, Messages, SysUtils, Classes, Graphics, Forms, Dialogs, sDefaults, menus, sSkinMenus, sSkinManager,
sConst, sCommondata, Controls, acSBUtils{$IFDEF TNTUNICODE}, TntWideStrUtils, TntMenus, TntStdCtrls{$ENDIF};

type

{$IFNDEF NOTFORHELP}
TacCtrlAdapter = class;
TacAdapterItem = class(TPersistent)
public
Ctrl : TWinControl;
SkinData : TsCommonData;
OldFontColor : integer;
Adapter : TacCtrlAdapter;
ScrollWnd : TacMainWnd;
constructor Create; virtual;
destructor Destroy; override;
procedure DoHook(Control : TWinControl); virtual;
end;
{$ENDIF} // NOTFORHELP

TAddItemEvent = procedure(Item: TComponent; var CanBeAdded: boolean; var SkinSection: string) of object;
TsSkinProvider = class;

TsGripMode = (gmNone, gmRightBottom);
TsResizeMode = (rmStandard, rmBorder);

{$IFNDEF NOTFORHELP}
TsSystemMenu = class;
TsCaptionButton = record
State : integer;
ImageIndex : integer;
Rect : TRect;
HaveAlignment : boolean;
GlowID : integer;
end;
{$ENDIF} // NOTFORHELP

TsTitleButton = class(TCollectionItem)
{$IFNDEF NOTFORHELP}
private
FUseSkinData: boolean;
FName: string;
FGlyph: TBitmap;
FOnMouseUp: TMouseEvent;
FOnMouseDown: TMouseEvent;
FEnabled: boolean;
procedure SetGlyph(const Value: TBitmap);
procedure SetName(const Value: string);
procedure MouseDown(BtnIndex : integer; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
procedure MouseUp(BtnIndex : integer; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
public
BtnData : TsCaptionButton;
constructor Create(Collection: TCollection); override;
destructor Destroy; override;
function GetDisplayName: string; override;
published
{$ENDIF} // NOTFORHELP
property Enabled : boolean read FEnabled write FEnabled default True;
property Glyph : TBitmap read FGlyph write SetGlyph;
property Name : string read FName write SetName;
property UseSkinData : boolean read FUseSkinData write FUseSkinData default True;
property OnMouseDown: TMouseEvent read FOnMouseDown write FOnMouseDown;
property OnMouseUp: TMouseEvent read FOnMouseUp write FOnMouseUp;
end;

TsTitleButtons = class(TCollection)
{$IFNDEF NOTFORHELP}
private
FOwner: TsSkinProvider;
function GetItem(Index: Integer): TsTitleButton;
procedure SetItem(Index: Integer; Value: TsTitleButton);
protected
function GetOwner: TPersistent; override;
procedure Update(Item: TCollectionItem); override;
public
constructor Create(AOwner: TsSkinProvider);
destructor Destroy; override;
{$ENDIF} // NOTFORHELP
property Items[Index: Integer]: TsTitleButton read GetItem write SetItem; default;
end;

TsTitleIcon = class (TPersistent)
{$IFNDEF NOTFORHELP}
private
FGlyph: TBitmap;
FHeight: integer;
FWidth: integer;
procedure SetGlyph(const Value: TBitmap);
procedure SetHeight(const Value: integer);
procedure SetWidth(const Value: integer);
public
constructor Create;
destructor Destroy; override;
published
{$ENDIF} // NOTFORHELP
property Glyph : TBitmap read FGlyph write SetGlyph;
property Height : integer read FHeight write SetHeight default 0;
property Width : integer read FWidth write SetWidth default 0;
end;

TsSkinProvider = class(TComponent)
{$IFNDEF NOTFORHELP}
private
ArOR : TAOR;
RgnChanged : boolean;
CurrentHT : integer;
TempBmp : TBitmap;

FMakeSkinMenu: boolean;
FShowAppIcon: boolean;
ControlsChanged : boolean;
HaveSysMenu : boolean;

FCaptionAlignment: TAlignment;
FTitleIcon: TsTitleIcon;
FTitleButtons: TsTitleButtons;
FGripMode: TsGripMode;
FCommonData: TsCommonData;
FResizeMode: TsResizeMode;
FirstInitialized : boolean;
FScreenSnap: boolean;
FSnapBuffer: integer;
FUseGlobalColor: boolean;
FTitleSkin: TsSkinSection;
FMenuLineSkin: TsSkinSection;
UserBtnIndex : integer;
FOnSkinItem: TAddItemEvent;
FDrawNonClientArea: boolean;

procedure SetCaptionAlignment(const Value: TAlignment);
procedure SetShowAppIcon(const Value: boolean);
procedure SetTitleButtons(const Value: TsTitleButtons);
procedure SetUseGlobalColor(const Value: boolean);
function GetLinesCount : integer; // Returns a count of menu lines
procedure SetTitleSkin(const Value: TsSkinSection);
procedure SetMenuLineSkin(const Value: TsSkinSection);
procedure SetDrawNonClientArea(const Value: boolean);
protected
DwmInitialized : boolean;
ClearButtons : boolean;
MenusInitialized : boolean;
RegionChanged : boolean;
CaptChanged : boolean;
CaptRgnChanged : boolean;

ButtonMin : TsCaptionButton;
ButtonMax : TsCaptionButton;
ButtonClose : TsCaptionButton;
ButtonHelp : TsCaptionButton;
MDIMin : TsCaptionButton;
MDIMax : TsCaptionButton;
MDIClose : TsCaptionButton;

LastClientRect : TRect;

procedure AdapterRemove;
procedure AdapterCreate; virtual;
procedure SendToAdapter(Message : TMessage);
// Painting procedures <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
procedure PaintAll;
procedure PaintForm(DC : hdc; SendUpdated : boolean = True);
procedure PaintCaption(dc : hdc);
procedure PrepareCaption(CI : TCacheInfo; R : TRect);
procedure PaintBorderIcons;
procedure RepaintButton(i : integer);
procedure RepaintMenuItem(mi : TMenuItem; R : TRect; State : TOwnerDrawState);
procedure MakeTitleBG;
procedure SaveBGForBtns(Full : boolean = False);
procedure RestoreBtnsBG;

procedure OurPaintHandler(const Msg : TWMPaint);
procedure AC_WMEraseBkGnd(const aDC: hdc);
procedure AC_WMNCPaint;
procedure AC_WMNCCalcSize(Message : TWMNCCalcSize);
// procedure AC_WMWindowPosChanged(const Msg : TWMWindowPosMsg);

// Special calculations <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
function HTProcess(Message : TWMNCHitTest) : integer;
function AboveBorder(Message : TWMNCHitTest) : boolean;
function CursorToPoint(x, y : integer) : TPoint;
function MDIButtonsNeeded : boolean;
function RBGripPoint(ImgIndex : integer) : TPoint;
function IconRect : TRect;
function FormLeftTop : TPoint;
function SysButtonsCount : integer;
function SmallButtonWidth : integer;
function ButtonHeight : integer;
function SmallButtonHeight : integer;

function SysButtonWidth(Btn : TsCaptionButton) : integer;
function TitleBtnsWidth : integer;
function UserButtonWidth(Btn : TsTitleButton) : integer;
function BarWidth(i : integer) : integer;
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

procedure UpdateIconsIndexes;

procedure StartMove(X, Y: Integer); // MarkB
procedure StopMove(X, Y: Integer); // MarkB
procedure DrawFormBorder(X, Y: Integer); // MarkB

procedure SetHotHT(i : integer; Repaint : boolean = True);
procedure SetPressedHT(i : integer);

function FormChanged : boolean;
function IconVisible : boolean;
function TitleSkinSection : string;
procedure CheckSysMenu(const Skinned : boolean);
public
AeroInvalidate : boolean;
InMenu : boolean;
ShowAction : TShowAction;

fAnimating : boolean;
ListSW : TacScrollWnd;
Adapter : TacCtrlAdapter;

RgnChanging : boolean;

MenuChanged : boolean;
OldWndProc: TWndMethod;
MDIForm : TObject;
FormActive : boolean;

MenuLineBmp : TBitmap;

Form : TForm;
FLinesCount : integer;
SystemMenu : TsSystemMenu;
TitleBG : TBitmap;
CaptForm : TForm;
OldCaptFormProc : TWndMethod;
{$IFDEF CHECKXP}
// StdBgIsUsed : boolean;
{$ENDIF}

constructor Create(AOwner : TCOmponent); override;
procedure DropSysMenu(x, y : integer);
destructor Destroy; override;
procedure AfterConstruction; override;
procedure Loaded; override;
procedure PrepareForm;
procedure Notification(AComponent: TComponent; Operation: TOperation); override;

function OffsetX : integer;
function OffsetY : integer;

procedure NewWndProc(var Message: TMessage); // Main window procedure hook
procedure DsgnWndProc(var Message: TMessage); // Main window procedure hook for design-time
procedure HookMDI(Active : boolean = True);
function HeaderHeight : integer; // Height of the header + menu lines
function SysBorderWidth : integer;
function SysBorderHeight : integer;
function BorderHeight: integer;
function BorderWidth: integer;
function CaptionHeight : integer;
function CaptionWidth : integer;
function MenuHeight : integer;
function MenuPresent : boolean;
function FormColor : TColor;

procedure MdiIcoFormPaint(Sender : TObject);
procedure CaptFormPaint(Sender : TObject);
procedure NewCaptFormProc(var Message: TMessage);

function UpdateMenu : boolean;
procedure InitMenuItems(A: boolean);
procedure RepaintMenu;
property LinesCount : integer read GetLinesCount;
published
{$ENDIF} // NOTFORHELP
property CaptionAlignment : TAlignment read FCaptionAlignment write SetCaptionAlignment default taLeftJustify;
property DrawNonClientArea : boolean read FDrawNonClientArea write SetDrawNonClientArea default True;
property SkinData : TsCommonData read FCommonData write FCommonData;
property GripMode : TsGripMode read FGripMode write FGripMode default gmNone;
property MakeSkinMenu : boolean read FMakeSkinMenu write FMakeSkinMenu default DefMakeSkinMenu;
property MenuLineSkin : TsSkinSection read FMenuLineSkin write SetMenuLineSkin;
property ResizeMode : TsResizeMode read FResizeMode write FResizeMode default rmStandard; // MarkB
property ScreenSnap : boolean read FScreenSnap write FScreenSnap default False;
property SnapBuffer : integer read FSnapBuffer write FSnapBuffer default 10;
property ShowAppIcon : boolean read FShowAppIcon write SetShowAppIcon default True;
property TitleButtons : TsTitleButtons read FTitleButtons write SetTitleButtons;
property TitleIcon : TsTitleIcon read FTitleIcon write FTitleIcon;
property TitleSkin : TsSkinSection read FTitleSkin write SetTitleSkin;
property UseGlobalColor : boolean read FUseGlobalColor write SetUseGlobalColor default True;
property OnSkinItem: TAddItemEvent read FOnSkinItem write FOnSkinItem;
end;

{$IFNDEF NOTFORHELP}
{$IFDEF TNTUNICODE}
TsSystemMenu = class(TTntPopupMenu)
{$ELSE}
TsSystemMenu = class(TPopupMenu)
{$ENDIF}
public
ExtItemsCount : integer;
FOwner : TsSkinProvider;
FForm : TCustomForm;
ItemRestore : TMenuItem;
ItemMove : TMenuItem;
ItemSize : TMenuItem;
ItemMinimize : TMenuItem;
ItemMaximize : TMenuItem;
ItemClose : TMenuItem;

constructor Create(AOwner : TComponent); override;
procedure Generate;
procedure UpdateItems(Full : boolean = False);
procedure UpdateGlyphs;
procedure MakeSkinItems;

function VisibleRestore : boolean;
function VisibleSize : boolean;
function VisibleMin : boolean;
function VisibleMax : boolean;
function VisibleClose : boolean;

function EnabledRestore : boolean;
function EnabledMove : boolean;
function EnabledSize : boolean;
function EnabledMin : boolean;
function EnabledMax : boolean;

procedure RestoreClick(Sender: TObject);
procedure MoveClick(Sender: TObject);
procedure SizeClick(Sender: TObject);
procedure MinClick(Sender: TObject);
procedure MaxClick(Sender: TObject);
procedure CloseClick(Sender: TObject);
procedure SkinSelect(Sender: TObject);
procedure ExtClick(Sender: TObject);
end;

{$IFNDEF NOTFORHELP}
TacAdapterItems = array of TacAdapterItem;
{$ENDIF}

TacCtrlAdapter = class(TPersistent)
{$IFNDEF NOTFORHELP}
public
CtrlClass : TsCtrlClass;
DefaultSection : string;
Items : TacAdapterItems;
Provider : TsSkinProvider;
function IsControlSupported(Control : TComponent) : boolean; virtual;
function Count : integer;
constructor Create(AProvider: TsSkinProvider);
destructor Destroy; override;
function GetItem(Index : integer) : TacAdapterItem; virtual;
function GetCommonData(Index : integer) : TsCommonData; virtual;
function IndexOf(Ctrl : TWinControl) : integer;
procedure AfterConstruction; override;
{$ENDIF} // NOTFORHELP
procedure AddAllItems(OwnerCtrl : TWinControl = nil);
procedure AddNewItem(Ctrl : TWinControl); overload; virtual;
procedure AddNewItem(Ctrl : TWinControl; const SkinSection : string); overload; virtual;
procedure RemoveItem(Index : integer); virtual;
procedure RemoveAllItems;
procedure CleanItems;
procedure WndProc(var Message: TMessage); virtual;
end;

const
UserButtonsOffset = 8;
ScrollWidth = 18;
IconicHeight = 26;
HTUDBTN = 1000;
{
FormTitleHeight = 52;
FormLeftBorderWidth = 4;
FormRightBorderWidth = 4;
FormBottomBorderWidth = 4;
}
var
acM : TMessage;
Style : LongInt;
HotItem : TMenuItemData;
SelectedMenuItem : TMenuItem;
{$IFNDEF ALITE}
acTaskBarChanging : boolean = False;
{$ENDIF}

// <<<<<<<<<<<<<<< MarkB <<<<<<<<<<<<<<<<<<<<<<
bInProcess : boolean = False;
DoStartMove : boolean = False;
bCapture : Boolean = False;
bFlag : boolean = False;
bRemoving : boolean = False;
bMode : Boolean; //True - move, False - size
deskwnd : HWND;
formDC : HDC;
ntop, nleft, nbottom, nright, nX, nY, nDirection, nMinHeight, nMinWidth, nDC : Integer;
// >>>>>>>>>>>>>>>>> MarkB >>>>>>>>>>>>>>>>>>
hDWMAPI: HMODULE = 0;

//function IsGripVisible(sp : TsSkinProvider) : boolean;
function AeroIsEnabled : boolean;
function UseAero : boolean;
procedure InitDwmApi;
procedure UseDwm(Handle : THandle; Active : boolean; Refresh : boolean = True);
function BigButtons(sp : TsSkinProvider) : boolean;
function IsBorderUnchanged(const BorderIndex : integer; const sm : TsSkinManager) : boolean;
function IsGripVisible(const sp : TsSkinProvider) : boolean;
procedure PaintGrip(const aDC : hdc; const sp : TsSkinProvider);
function CtrlIsReadyForHook(const Ctrl : TWinControl) : boolean;
procedure UpdateRgn(sp : TsSkinProvider; Repaint : boolean = True);
procedure FillArOR(sp : TsSkinProvider);
function GetRgnFromArOR(sp : TsSkinProvider; X : integer = 0; Y : integer = 0) : hrgn;
procedure UpdateSkinCaption(SkinProvider : TsSkinProvider);
function GetSkinProvider(Cmp : TComponent) : TsSkinProvider;
procedure DrawAppIcon(SkinProvider : TsSkinProvider);
function GetWindowWidth(Handle : hwnd) : integer;
function GetClientWidth(Handle : hwnd) : integer;
function GetWindowHeight(Handle : hwnd) : integer;
function GetClientHeight(Handle : hwnd) : integer;
procedure ForbidDrawing(sp : TsSkinProvider; MDIAlso : boolean = False);
procedure PermitDrawing(sp : TsSkinProvider; MDIAlso : boolean = False);
function HaveBorder(sp : TsSkinProvider) : boolean;
procedure UpdateMainForm;
{$ENDIF} // NOTFORHELP

implementation

uses math, sVclUtils, sBorders, sGraphUtils, sSkinProps, sGradient, sLabel, FlatSB, StdCtrls,
sMaskData, acntUtils, sMessages, sStyleSimply, sStrings, {$IFDEF LOGGED} sDebugMsgs,{$ENDIF}
sMDIForm{$IFDEF CHECKXP}, UxTheme, Themes{$ENDIF}, sAlphaGraph, ComCtrls, Grids, acDials, acGlow,
ExtCtrls, sSpeedButton, Buttons, CommCtrl{$IFNDEF ALITE}, sFrameAdapter{$ENDIF};

var
biClicked : boolean = False;
MDICreating : boolean = False;
ChildProvider : TsSkinProvider = nil;
MDIIconsForm : TForm = nil;

_DwmSetWindowAttribute: function(hwnd: HWND; dwAttribute: DWORD; pvAttribute: Pointer; cbAttribute: DWORD): HResult; stdcall;
_DwmIsCompositionEnabled: function (out pfEnabled: BOOL): HResult; stdcall;

const
ModName = 'DWMAPI.DLL';

procedure InitDwmApi;
begin
if hDWMAPI = 0 then hDWMAPI := LoadLibrary(ModName);
end;

function DwmSetWindowAttribute(hwnd: HWND; dwAttribute: DWORD; pvAttribute: Pointer; cbAttribute: DWORD): HResult;
begin
if Assigned(_DwmSetWindowAttribute) then Result := _DwmSetWindowAttribute(hwnd, dwAttribute, pvAttribute, cbAttribute) else begin
InitDwmApi;
Result := E_NOTIMPL;
if hDWMAPI > 0 then begin
_DwmSetWindowAttribute := GetProcAddress(hDWMAPI, 'DwmSetWindowAttribute');
if Assigned(_DwmSetWindowAttribute) then
Result := _DwmSetWindowAttribute(hwnd, dwAttribute, pvAttribute, cbAttribute);
end;
end;
end;

function AeroIsEnabled : boolean;
var
b : Longbool;
begin
Result := False;
if (Win32MajorVersion >= 6) then begin
b := False;
if Assigned(_DwmIsCompositionEnabled) then Result := _DwmIsCompositionEnabled(b) = S_OK else begin
InitDwmApi;
if hDWMAPI > 0 then begin
_DwmIsCompositionEnabled := GetProcAddress(hDWMAPI, 'DwmIsCompositionEnabled');
if Assigned(_DwmIsCompositionEnabled) then Result := _DwmIsCompositionEnabled(b) = S_OK;
end
end;
end;
Result := Result and b;
end;

function UseAero : boolean;
begin
Result := acAeroShadows and AeroIsEnabled;
end;

procedure UseDwm(Handle : THandle; Active : boolean; Refresh : boolean = True);
var
Value : Longbool;
Policy : Longint;
begin
if not acAeroShadows or IsZoomed(Handle) then Exit;
Value := Active;
if Active then begin
// Policy := 1; // DWMNCRP_DISABLED
// DwmSetWindowAttribute(Handle, 1{DWMWA_NCRENDERING_POLICY}, @Policy, Sizeof(Policy));

Policy := 2; // DWMNCRP_ENABLED
DwmSetWindowAttribute(Handle, 2{DWMWA_NCRENDERING_POLICY}, @Policy, Sizeof(Policy));

DwmSetWindowAttribute(Handle, 4{DWMWA_ALLOW_NCPAINT}, @Value, Sizeof(Value));
end
else begin
DwmSetWindowAttribute(Handle, 4{DWMWA_ALLOW_NCPAINT}, @Value, Sizeof(Value));
Policy := 0; // DWMNCRP_USEWINDOWSTYLE
DwmSetWindowAttribute(Handle, 1{DWMWA_NCRENDERING_POLICY}, @Policy, Sizeof(Policy));
SetWindowPos(Handle, 0, 0, 0, 0, 0, SWP_NOSIZE or SWP_NOMOVE or SWP_NOOWNERZORDER or SWP_FRAMECHANGED); // ?
end;
end;

function BigButtons(sp : TsSkinProvider) : boolean;
begin
Result := sp.Form.BorderStyle in [bsSingle, bsSizeable]
end;

function IsBorderUnchanged(const BorderIndex : integer; const sm : TsSkinManager) : boolean;
begin
Result := (BorderIndex < 0) or (sm.ma[BorderIndex].ImageCount = 1)
end;

function IsGripVisible(const sp : TsSkinProvider) : boolean;
begin
Result := (sp.GripMode = gmRightBottom) and (sp.Form.WindowState <> wsMaximized)
end;

procedure PaintGrip(const aDC : hdc; const sp : TsSkinProvider);
var
i, w1, w2, dx, h1, h2, dy : integer;
Bmp : TBitmap;
p : TPoint;
BG : TacBGInfo;
begin
i := sp.FCommonData.SkinManager.GetMaskIndex(sp.FCommonData.SkinManager.ConstData.IndexGLobalInfo, s_GlobalInfo, s_GripImage);
if sp.FCommonData.SkinManager.IsValidImgIndex(i) then begin
Bmp := CreateBmp24(WidthOf(sp.FCommonData.SkinManager.ma[i].R) div sp.FCommonData.SkinManager.ma[i].ImageCount,
HeightOf(sp.FCommonData.SkinManager.ma[i].R) div (sp.FCommonData.SkinManager.ma[i].MaskType + 1));
p := sp.RBGripPoint(i);
p.X := p.X - sp.OffsetX;
p.Y := p.Y - sp.OffsetY;

BG.DrawDC := Bmp.Canvas.Handle;
BG.Offset := p;
BG.BgType := btUnknown;
BG.R := Rect(0, 0, Bmp.Width, Bmp.Height);

sp.FCommonData.FCacheBmp.Canvas.Lock;
BG.PleaseDraw := False;
GetBGInfo(@BG, sp.Form, True);
if BG.BgType = btFill then begin
w1 := sp.SkinData.SkinManager.MaskWidthRight(sp.SkinData.BorderIndex);
h1 := sp.SkinData.SkinManager.MaskWidthBottom(sp.SkinData.BorderIndex);
w2 := sp.SysBorderWidth;
h2 := sp.SysBorderHeight;
dx := w1 - w2;
dy := h1 - h2;
if (dx > 0) and (dy > 0) then
// Right border
BitBlt(Bmp.Canvas.Handle, Bmp.Width - dx, 0, dx, Bmp.Height,
sp.SkinData.FCacheBmp.Canvas.Handle, sp.SkinData.FCacheBmp.Width - w1, sp.SkinData.FCacheBmp.Height - h2 - Bmp.Height, SRCCOPY);
// Bottom border
BitBlt(Bmp.Canvas.Handle, 0, Bmp.Height - dy, Bmp.Width, dy,
sp.SkinData.FCacheBmp.Canvas.Handle, sp.SkinData.FCacheBmp.Width - w2 - Bmp.Width, sp.SkinData.FCacheBmp.Height - h1, SRCCOPY);
end;
sp.FCommonData.FCacheBmp.Canvas.UnLock;

DrawSkinGlyph(Bmp, Point(0, 0), 0, 1, sp.FCommonData.SkinManager.ma[i], MakeCacheInfo(Bmp));

BitBlt(aDC, p.X + sp.OffsetX, p.Y + sp.OffsetY, Bmp.Width, Bmp.Height, Bmp.Canvas.Handle, 0, 0, SRCCOPY);
FreeAndNil(Bmp);
end;
end;

function CtrlIsReadyForHook(const Ctrl : TWinControl) : boolean;
begin
Result := Ctrl.HandleAllocated{$IFDEF TNTUNICODE} and Ctrl.Visible and (Ctrl.Parent <> nil){$ENDIF} // Showing is False when Parent changed
end;

procedure MakeCaptForm(sp : TsSkinProvider; Full : boolean = False);
var
p : TPoint;
begin
if not sp.FDrawNonClientArea then Exit;
if sp.CaptForm = nil then begin
sp.CaptForm := TForm.Create(Application);
sp.CaptForm.Tag := ExceptTag;
sp.CaptForm.OnPaint := sp.CaptFormPaint;
sp.OldCaptFormProc := sp.CaptForm.WindowProc;
sp.CaptForm.WindowProc := sp.NewCaptFormProc;
sp.CaptForm.BorderStyle := bsNone;
end;
sp.CaptForm.Visible := False;
if (sp.Form.FormStyle = fsMDIChild) then begin
p := TsSkinProvider(MDISkinProvider).Form.ClientToScreen(Point(sp.Form.Left + GetAlignShift(TsSkinProvider(MDISkinProvider).Form, alLeft, True) + 2, sp.Form.Top + GetAlignShift(TsSkinProvider(MDISkinProvider).Form, alTop, True) + 2));
SetWindowPos(sp.CaptForm.Handle, 0, p.x, p.y, sp.Form.Width, sp.HeaderHeight, SWP_NOACTIVATE or SWP_SHOWWINDOW or SWP_NOREDRAW or SWP_NOSENDCHANGING or SWP_NOOWNERZORDER);
end
else begin
if GetWindowLong(sp.Form.Handle, GWL_EXSTYLE) and WS_EX_TOPMOST = WS_EX_TOPMOST // sp.Form.FormStyle = fsStayOnTop
then SetWindowPos(sp.CaptForm.Handle, HWND_TOPMOST, sp.Form.Left, sp.Form.Top, sp.Form.Width, iffi(Full, sp.Form.Height, sp.HeaderHeight),
SWP_NOACTIVATE or SWP_SHOWWINDOW or SWP_NOREDRAW or SWP_NOSENDCHANGING or SWP_NOOWNERZORDER)
else SetWindowPos(sp.CaptForm.Handle, 0, sp.Form.Left, sp.Form.Top, sp.Form.Width, iffi(Full, sp.Form.Height, sp.HeaderHeight),
SWP_NOACTIVATE or SWP_SHOWWINDOW or SWP_NOREDRAW or SWP_NOSENDCHANGING or SWP_NOOWNERZORDER);
end;
end;

procedure KillCaptForm(sp : TsSkinProvider);
begin
if sp.CaptForm <> nil then begin
sp.CaptForm.WindowProc := sp.OldCaptFormProc;
FreeAndNil(sp.CaptForm);
end;
end;

procedure FillArOR(sp : TsSkinProvider);
var
i : integer;
begin
SetLength(sp.ArOR, 0);
if sp.SkinData.SkinManager.IsValidImgIndex(sp.SkinData.BorderIndex) then begin
// TopBorderRgn
AddRgn(sp.ArOR, sp.CaptionWidth, sp.SkinData.SkinManager.ma[sp.SkinData.BorderIndex], 0, False);
// BottomBorderRgn
AddRgn(sp.ArOR, sp.CaptionWidth, sp.SkinData.SkinManager.ma[sp.SkinData.BorderIndex], sp.Form.Height - sp.SkinData.SkinManager.ma[sp.SkinData.BorderIndex].WB, True);
end;

// TitleRgn
i := sp.SkinData.SkinManager.GetSkinIndex(sp.TitleSkinSection);
if sp.SkinData.SkinManager.IsValidSkinIndex(i) then begin
i := sp.SkinData.SkinManager.GetMaskIndex(i, sp.TitleSkinSection, s_BordersMask);
if sp.SkinData.SkinManager.IsValidImgIndex(i) then AddRgn(sp.ArOR, sp.CaptionWidth, sp.SkinData.SkinManager.ma[i], 0, False);
end;
end;

procedure UpdateRgn(sp : TsSkinProvider; Repaint : boolean = True);
const
BE_ID = $41A2;
CM_BEWAIT = CM_BASE + $0C4D;
var
rgn : HRGN;
R : TRect;
begin
if sp.DrawNonClientArea and not sp.InMenu and (HaveBorder(sp) or IsIconic(sp.Form.Handle)) then with sp do begin
if not FirstInitialized then if SendMessage(Form.Handle, CM_BEWAIT, BE_ID, 0) = BE_ID then Exit; // BE compatibility
if ((sp.Form.Parent = nil) or (TForm(sp.Form).DragKind <> dkDock)) {regions changing disabled when docking used} then begin
RgnChanging := True;
if (sp.Form.WindowState = wsMaximized) and (sp.Form.Constraints.MaxWidth = 0) and (sp.Form.Constraints.MaxHeight = 0) and (Form.FormStyle <> fsMDIChild) then begin // v6.02
R := Rect(0, 0, sp.Form.Width, sp.Form.Height);
InflateRect(R, - sp.SysBorderWidth, - sp.SysBorderHeight);
rgn := CreateRectRgn(R.Left, R.Top, R.Right, R.Bottom);
end
else rgn := GetRgnFromArOR(sp);
sp.RgnChanged := True;
SetWindowRgn(Form.Handle, rgn, Repaint); // True - repainting required
end
else SetWindowRgn(Form.Handle, 0, False);
end;
end;

function GetRgnFromArOR(sp : TsSkinProvider; X : integer = 0; Y : integer = 0) : hrgn;
var
l, i : integer;
subrgn : HRGN;
begin
l := Length(sp.ArOR);
Result := CreateRectRgn(X, Y, sp.CaptionWidth + X, sp.Form.Height + Y);
if l > 0 then for i := 0 to l - 1 do begin
subrgn := CreateRectRgn(sp.ArOR[i].Left + X, sp.ArOR[i].Top + Y, sp.ArOR[i].Right + X, sp.ArOR[i].Bottom + Y);
CombineRgn(Result, Result, subrgn, RGN_DIFF);
DeleteObject(subrgn);
end;
end;

procedure RefreshFormScrolls(SkinProvider : TsSkinProvider; var ListSW : TacScrollWnd; Repaint : boolean);
begin
if not (csDestroying in SkinProvider.ComponentState) and SkinProvider.Form.HandleAllocated and TForm(SkinProvider.Form).AutoScroll {v5.01} then begin
if SkinProvider.SkinData.Skinned then begin
UninitializeFlatSB(SkinProvider.Form.Handle);
if (ListSW <> nil) and ListSW.Destroyed then FreeAndNil(ListSW);
if ListSW = nil then begin
ListSW := TacScrollWnd.Create(SkinProvider.Form.Handle, SkinProvider.SkinData, SkinProvider.SkinData.SkinManager, '', False);
end;
end
else begin
if ListSW <> nil then FreeAndNil(ListSW);
InitializeFlatSB(SkinProvider.Form.Handle);
end;
end;
end;

procedure ForbidDrawing(sp : TsSkinProvider; MDIAlso : boolean = False);
begin
sp.SkinData.BeginUpdate;
sp.Form.Perform(WM_SETREDRAW, 0, 0);
if MDIAlso and (TForm(sp.Form).FormStyle = fsMDIChild) and Assigned(MDISkinProvider) then begin
TsSkinProvider(MDISkinProvider).SkinData.BeginUpdate;
TsSkinProvider(MDISkinProvider).Form.Perform(WM_SETREDRAW, 0, 0);
end;
end;

procedure PermitDrawing(sp : TsSkinProvider; MDIAlso : boolean = False);
begin
sp.SkinData.EndUpdate;
sp.Form.Perform(WM_SETREDRAW, 1, 0);
if MDIAlso and (TForm(sp.Form).FormStyle = fsMDIChild) and Assigned(MDISkinProvider) then begin
TsSkinProvider(MDISkinProvider).SkinData.EndUpdate;
TsSkinProvider(MDISkinProvider).Form.Perform(WM_SETREDRAW, 1, 0);
end;
end;

function HaveBorder(sp : TsSkinProvider) : boolean;
begin
Result := (sp.Form.BorderStyle <> bsNone) or (TForm(sp.Form).FormStyle = fsMDIChild)
end;

procedure UpdateSkinCaption(SkinProvider : TsSkinProvider);
var
DC, SavedDC : hdc;
begin
if InAnimationProcess then Exit;
with SkinProvider do
if (TForm(Form).FormStyle = fsMDIChild) and (Form.WindowState = wsMaximized) then begin
TsSkinProvider(MDISkinProvider).FCommonData.BGChanged := True;
DC := GetWindowDC(TsSkinProvider(MDISkinProvider).Form.Handle);
SavedDC := SaveDC(DC);
try
TsSkinProvider(MDISkinProvider).PaintCaption(DC);
finally
RestoreDC(DC, SavedDC);
ReleaseDC(TsSkinProvider(MDISkinProvider).Form.Handle, DC);
end;
end
else begin
FCommonData.BGChanged := True;
DC := GetWindowDC(Form.Handle);
SavedDC := SaveDC(DC);
try
PaintCaption(DC);
finally
RestoreDC(DC, SavedDC);
ReleaseDC(Form.Handle, DC);
end;
end;
end;

function IsSizeBox(Handle : hWnd) : boolean;
var
Style: LongInt;
begin
Style := GetWindowLong(Handle, GWL_STYLE);
Result := Style and WS_SIZEBOX = WS_SIZEBOX;
end;

function GetNearestSize(Max : integer) : integer;
begin
case Max of
0..8 : Result := 0;
9..16 : Result := 8;
17..27 : Result := 16;
28..32 : Result := 32
else Result := 32;
end;
end;

function GetSkinProvider(Cmp : TComponent) : TsSkinProvider;
var
c : TComponent;
sp : integer;
begin
Result := nil;
c := Cmp;
while Assigned(c) and not (c is TCustomForm) do c := c.Owner;
if (c is TCustomForm) then begin
sp := SendMessage(TCustomForm(c).Handle, SM_ALPHACMD, MakeWParam(0, AC_GETPROVIDER), 0);
if sp <> 0 then Result := TsSkinProvider(sp);
end;
end;

function TitleIconWidth(SP : TsSkinProvider) : integer;
begin
if SP.IconVisible then begin
if SP.TitleIcon.Width <> 0 then Result := SP.TitleIcon.Width else Result := GetNearestSize(SP.CaptionHeight);
end
else Result := 0;
end;

function TitleIconHeight(SP : TsSkinProvider) : integer;
begin
if SP.IconVisible then begin
if SP.TitleIcon.Height <> 0 then Result := SP.TitleIcon.Height else Result := GetNearestSize(SP.CaptionHeight);
end
else Result := 0;
end;

procedure DrawAppIcon(SkinProvider : TsSkinProvider);
var
iW, iH : integer;
begin
with SkinProvider do if IconVisible then begin
if not TitleIcon.Glyph.Empty then begin
TitleIcon.Glyph.Transparent := True;
TitleIcon.Glyph.TransparentColor := clFuchsia;
iW := iffi(TitleIcon.Width = 0, GetNearestSize(HeaderHeight - 2), TitleIcon.Width);
iH := iffi(TitleIcon.Width = 0, GetNearestSize(HeaderHeight - 2), TitleIcon.Height);
if TitleIcon.Glyph.PixelFormat = pf32bit then begin
CopyByMask(Rect(IconRect.Left, IconRect.Top, IconRect.Left + TitleIcon.Glyph.Width, IconRect.Left + TitleIcon.Glyph.Height),
Rect(0, 0, TitleIcon.Glyph.Width, TitleIcon.Glyph.Height),
FCommonData.FCacheBmp,
TitleIcon.Glyph,
EmptyCI, False);
end
else begin
FCommonData.FCacheBmp.Canvas.StretchDraw(
Rect(IconRect.Left, IconRect.Top,
IconRect.Left + iW,
IconRect.Top + iH
), TitleIcon.Glyph);
end;
end
else if TForm(Form).Icon.Handle <> 0 then begin
DrawIconEx(FCommonData.FCacheBmp.Canvas.Handle,
IconRect.Left, IconRect.Top,
TForm(Form).Icon.Handle,
TitleIconWidth(SkinProvider),
TitleIconHeight(SkinProvider), 0, 0, DI_NORMAL);
end
else if Application.Icon.Handle <> 0 then begin
DrawIconEx(FCommonData.FCacheBmp.Canvas.Handle,
IconRect.Left, IconRect.Top,
Application.Icon.Handle,
TitleIconWidth(SkinProvider),
TitleIconHeight(SkinProvider), 0, 0, DI_NORMAL);
end
else begin
iW := iffi(TitleIcon.Width = 0, CaptionHeight - IconRect.Top, TitleIcon.Width);
iH := iffi(TitleIcon.Height = 0, CaptionHeight - IconRect.Top, TitleIcon.Height);
if (iH > 16) and (AppIconLarge <> nil)
then DrawIconEx(FCommonData.FCacheBmp.Canvas.Handle,
IconRect.Left, IconRect.Top,
AppIconLarge.Handle,
iW,
iH,
0, 0, di_Normal)
else if (AppIcon <> nil) then DrawIconEx(FCommonData.FCacheBmp.Canvas.Handle,
IconRect.Left, IconRect.Top,
AppIcon.Handle,
iW,
iH,
0, 0, di_Normal)
else DrawIconEx(FCommonData.FCacheBmp.Canvas.Handle,
IconRect.Left, IconRect.Top,
LoadIcon(0, IDI_APPLICATION),
TitleIconWidth(SkinProvider),
TitleIconHeight(SkinProvider),
0, 0, di_Normal);
end;
end;
end;

function GetWindowWidth(Handle : hwnd) : integer;
var
R : TRect;
begin
GetWindowRect(Handle, R);
Result := WidthOf(R)
end;

function GetClientWidth(Handle : hwnd) : integer;
var
R : TRect;
begin
GetClientRect(Handle, R);
Result := WidthOf(R)
end;

function GetWindowHeight(Handle : hwnd) : integer;
var
R : TRect;
begin
GetWindowRect(Handle, R);
Result := HeightOf(R)
end;

function GetClientHeight(Handle : hwnd) : integer;
var
R : TRect;
begin
GetClientRect(Handle, R);
Result := HeightOf(R)
end;

{ TsSkinProvider }

procedure TsSkinProvider.AfterConstruction;
begin
inherited;
if Assigned(FCommonData.SkinManager) and FCommonData.SkinManager.Active and not (csDesigning in ComponentState) then begin
PrepareForm;
end;
end;

function TsSkinProvider.BarWidth(i : integer): integer;
begin
if Assigned(FCommonData.SkinManager.ma[i].Bmp) then begin
Result := (FCommonData.SkinManager.ma[i].Bmp.Width div 9) * 2 + TitleBtnsWidth;
end
else begin
Result := (WidthOf(FCommonData.SkinManager.ma[i].R) div (3 * FCommonData.SkinManager.ma[i].ImageCount)) * 2 + TitleBtnsWidth;
end;
end;

function TsSkinProvider.BorderHeight: integer;
begin
Result := SysBorderHeight + Form.BorderWidth
end;

function TsSkinProvider.BorderWidth: integer;
begin
Result := SysBorderHeight + Form.BorderWidth
end;

function TsSkinProvider.ButtonHeight: integer;
begin
if FCommonData.SkinManager.IsValidImgIndex(ButtonClose.ImageIndex) then begin
if FCommonData.SkinManager.ma[ButtonClose.ImageIndex].Bmp = nil
then Result := HeightOf(FCommonData.SkinManager.ma[ButtonClose.ImageIndex].R) div (1 + FCommonData.SkinManager.ma[ButtonClose.ImageIndex].MaskType)
else Result := FCommonData.SkinManager.ma[ButtonClose.ImageIndex].Bmp.Height div 2;
end
else Result := 21;
end;

function TsSkinProvider.SysButtonsCount: integer;
begin
Result := 0;
if SystemMenu.VisibleClose{(biSystemMenu in Form.BorderIcons)} and Assigned(SystemMenu) then begin
inc(Result);
if SystemMenu.VisibleMax then inc(Result);
if SystemMenu.VisibleMin then inc(Result);
if (biHelp in Form.BorderIcons) then inc(Result);
end;
end;

function TsSkinProvider.SysButtonWidth(Btn : TsCaptionButton): integer;
begin
if FCommonData.SkinManager.IsValidImgIndex(Btn.ImageIndex) then begin
if FCommonData.SkinManager.ma[Btn.ImageIndex].Bmp = nil
then Result := WidthOf(FCommonData.SkinManager.ma[Btn.ImageIndex].R) div FCommonData.SkinManager.ma[Btn.ImageIndex].ImageCount
else Result := FCommonData.SkinManager.ma[Btn.ImageIndex].Bmp.Width div FCommonData.SkinManager.ma[Btn.ImageIndex].ImageCount;
end
else Result := 21;
end;

function TsSkinProvider.CaptionHeight: integer;
begin
if HaveBorder(Self) and (GetWindowLong(Form.Handle, GWL_STYLE) and WS_CAPTION = WS_CAPTION) or IsIconic(Form.Handle)
then begin
if Form.BorderStyle in [bsToolWindow, bsSizeToolWin]
then Result := GetSystemMetrics(SM_CYSMCAPTION)
else Result := GetSystemMetrics(SM_CYCAPTION)
end
else Result := 0;
end;

constructor TsSkinProvider.Create(AOwner: TCOmponent);
var
i : integer;
begin
inherited Create(AOwner);
FDrawNonClientArea := True;
Form := TForm(GetOwnerForm(Self));
DwmInitialized := False;

if AOwner is TCustomFrame then ShowWarning('TsSkinProvider component must be used with forms only!'#13#10'For frames skinning may be used TsFrameAdapter component.');
fAnimating := False;
HaveSysMenu := False;
InMenu := False;
ShowAction := saIgnore;

FCommonData := TsCommonData.Create(Self, False);
FCommonData.SkinSection := s_Form;
FCommonData.COC := COC_TsSkinProvider;
if Form.ControlState <> [] then FCommonData.Updating := True;

FResizeMode := rmStandard;
FUseGlobalColor := True;
MDIForm := nil;
AeroInvalidate := False;

MenuChanged := True;
FMakeSkinMenu := DefMakeSkinMenu;
MenusInitialized := False;
RgnChanged := True;
RgnChanging := False;
FScreenSnap := False;
FSnapBuffer := 10;
{$IFDEF CHECKXP}
// StdBgIsUsed := True;
{$ENDIF}

FShowAppIcon := True;
FCaptionAlignment := taLeftJustify;
FTitleIcon := TsTitleIcon.Create;
FTitleButtons := TsTitleButtons.Create(Self);
FGripMode := gmNone;
ClearButtons := False;
OldCaptFormProc := nil;

for i := 0 to Form.ComponentCount - 1 do begin
if (Form.Components[i] is TsSkinProvider) and (Form.Components[i] <> Self) then begin
Form := nil;
if (csDesigning in ComponentState) then ShowWarning('Only one instance of the TsSkinProvider component is allowed!');
break;
end;
end;

if not (csDesigning in ComponentState) and (Form <> nil) then begin
Form.DoubleBuffered := False;
TempBmp := TBitmap.Create;
MenuLineBmp := CreateBmp24(0, 0);

ClearButtons := True;

SetLength(ArOR, 0);

FLinesCount := -1;

OldWndProc := Form.WindowProc;
Form.WindowProc := NewWndProc;
IntSkinForm(Form);

FormActive := True;
end;
end;

destructor TsSkinProvider.Destroy;
begin
if not (csDesigning in ComponentState) then begin
if Form <> nil then begin
IntUnskinForm(Form);
Form.WindowProc := OldWndProc;
if (Form.FormStyle = fsMDIChild) and Assigned(Form.Menu) then begin
if Assigned(MDISkinProvider) and
not (csDestroying in TsSkinProvider(MDISkinProvider).ComponentState) and
not (csDestroying in TsSkinProvider(MDISkinProvider).Form.ComponentState)
then begin
TsSkinProvider(MDISkinProvider).FCommonData.BGChanged := True;
TsSkinProvider(MDISkinProvider).FLinesCount := -1;
SendMessage(TsSkinProvider(MDISkinProvider).Form.Handle, WM_NCPAINT, 0, 0);
end;
end;
if MDISkinProvider = Self then begin
if MDIForm <> nil then HookMDI(False);
MDISkinProvider := nil;
end;
end;
if Assigned(SystemMenu) then FreeAndNil(SystemMenu);
if Assigned(TempBmp) then FreeAndnil(TempBmp);
if Assigned(MenuLineBmp) then FreeAndNil(MenuLineBmp);
if TitleBG <> nil then FreeAndNil(TitleBG);
end;

if ChildProvider = Self then ChildProvider := nil;

if Assigned(FTitleIcon) then FreeAndNil(FTitleIcon);
if Assigned(FTitleButtons) then FreeAndNil(FTitleButtons);

if Assigned(Adapter) then FreeAndNil(Adapter);
if ListSW <> nil then FreeAndNil(ListSW);
if FCommonData <> nil then FreeAndNil(FCommonData);
inherited Destroy;
end;

procedure TsSkinProvider.RepaintButton(i: integer);
var
DC, SavedDC : hdc;
CurButton : ^TsCaptionButton;
cx, ind, x, y : integer;
BtnDisabled : boolean;
CI : TCacheInfo;
R : TRect;
begin
CurButton := nil;
case i of
HTCLOSE : CurButton := @ButtonClose;
HTMAXBUTTON : CurButton := @ButtonMax;
HTMINBUTTON : CurButton := @ButtonMin;
HTHELP : CurButton := @ButtonHelp;
HTCHILDCLOSE : CurButton := @MDIClose;
HTCHILDMAX : CurButton := @MDIMax;
HTCHILDMIN : CurButton := @MDIMin
else if Between(i, HTUDBTN, (HTUDBTN + TitleButtons.Count - 1))
then CurButton := @TitleButtons.Items[i - HTUDBTN].BtnData;
end;
if (CurButton <> nil) and (CurButton^.State <> -1) then begin
BtnDisabled := False;
if CurButton^.Rect.Left <= IconRect.Right then Exit;
cx := CaptionWidth - CurButton^.Rect.Left;
BitBlt(FCommonData.FCacheBmp.Canvas.Handle, // Restore a button BG
CurButton^.Rect.Left, CurButton^.Rect.Top, SysButtonwidth(CurButton^), ButtonHeight,
TempBmp.Canvas.Handle, TempBmp.Width - cx, CurButton^.Rect.Top, SRCCOPY);
// if Max btn and form is maximized then Norm btn
if (i = HTMAXBUTTON) and (Form.WindowState = wsMaximized) then ind := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, s_GlobalInfo, s_BorderIconNormalize)
else case i of
HTCHILDMIN : begin
ind := CurButton^.ImageIndex;
if ChildProvider <> nil then BtnDisabled := not ChildProvider.SystemMenu.EnabledMin;
if BtnDisabled then Exit;
end;
HTCHILDMAX : begin // Correction of the Maximize button (may be Normalize)
if Assigned(Form.ActiveMDIChild) and (Form.ActiveMDIChild.WindowState = wsMaximized) then begin
ind := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGlobalInfo, s_GlobalInfo, s_SmallIconNormalize);
if ind < 0 then ind := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, s_GlobalInfo, s_BorderIconNormalize) // For compatibility
end
else ind := CurButton^.ImageIndex;
if ChildProvider <> nil then BtnDisabled := not ChildProvider.SystemMenu.EnabledRestore;
end
else if IsIconic(Form.Handle) then begin
case i of
HTMINBUTTON : begin
ind := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconNormalize);
if ind < 0 then ind := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, FCommonData.SkinSection, s_BorderIconNormalize); // For compatibility
end;
HTMAXBUTTON : begin
ind := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconMaximize);
if ind < 0 then ind := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, FCommonData.SkinSection, s_BorderIconMaximize); // For compatibility
if not SystemMenu.EnabledMax then BtnDisabled := True;
end
else ind := CurButton^.ImageIndex;
end
end else ind := CurButton^.ImageIndex;
end;
if FCommonData.SkinManager.IsValidImgIndex(ind) then begin // Drawing of the button from skin
if i < HTUDBTN // if not user defined
then DrawSkinGlyph(FCommonData.FCacheBmp, Point(CurButton^.Rect.Left, CurButton^.Rect.Top),
CurButton^.State, 1 + integer(not FormActive or BtnDisabled) * integer(not (CurButton^.State > 0) or BtnDisabled), FCommonData.SkinManager.ma[ind], MakeCacheInfo(SkinData.FCacheBmp))
else if (TitleButtons.Items[i - HTUDBTN].UseSkinData)
then DrawSkinGlyph(FCommonData.FCacheBmp, Point(CurButton^.Rect.Left, CurButton^.Rect.Top),
CurButton^.State, 1 + integer(not FormActive) * integer(not (CurButton^.State > 0)), FCommonData.SkinManager.ma[ind], MakeCacheInfo(SkinData.FCacheBmp));
end;
// If user Glyph is defined
if (i >= HTUDBTN) and Assigned(TitleButtons.Items[i - HTUDBTN].Glyph) then begin
if TitleButtons.Items[i - HTUDBTN].Glyph.PixelFormat = pf32bit then begin
x := CurButton^.Rect.Left + integer(CurButton^.State = 2) + (WidthOf(CurButton^.Rect) - TitleButtons.Items[i - HTUDBTN].Glyph.Width) div 2;
y := CurButton^.Rect.Top + integer(CurButton^.State = 2) + (HeightOf(CurButton^.Rect) - TitleButtons.Items[i - HTUDBTN].Glyph.Height) div 2;
CI := MakeCacheInfo(FCommonData.FCacheBmp, x, y);
CopyByMask(Rect(x, y, x + TitleButtons.Items[i - HTUDBTN].Glyph.Width, y + TitleButtons.Items[i - HTUDBTN].Glyph.Height),
Rect(0, 0, TitleButtons.Items[i - HTUDBTN].Glyph.Width, TitleButtons.Items[i - HTUDBTN].Glyph.Height),
FCommonData.FCacheBmp,
TitleButtons.Items[i - HTUDBTN].Glyph,
CI, True);
end
else begin
TitleButtons.Items[i - HTUDBTN].Glyph.PixelFormat := pf24bit;
CopyTransBitmaps(FCommonData.FCacheBmp, TitleButtons.Items[i - HTUDBTN].Glyph,
CurButton^.Rect.Left + integer(CurButton^.State = 2) + (WidthOf(CurButton^.Rect) - TitleButtons.Items[i - HTUDBTN].Glyph.Width) div 2,
CurButton^.Rect.Top + integer(CurButton^.State = 2) + (HeightOf(CurButton^.Rect) - TitleButtons.Items[i - HTUDBTN].Glyph.Height) div 2,
ColorToSColor(TitleButtons.Items[i - HTUDBTN].Glyph.Canvas.Pixels[0, TitleButtons.Items[i - HTUDBTN].Glyph.Height - 1]));
end;
end;
// Copying to form
DC := GetWindowDC(Form.Handle);
SavedDC := SaveDC(DC);
try
BitBlt(DC, CurButton^.Rect.Left, CurButton^.Rect.Top, WidthOf(CurButton^.Rect), HeightOf(CurButton^.Rect),
FCommonData.FCacheBmp.Canvas.Handle, CurButton^.Rect.Left, CurButton^.Rect.Top, SRCCOPY);
if (CurButton^.State = 1) and (i in [HTCLOSE, HTMAXBUTTON, HTMINBUTTON]) then begin
case i of
HTCLOSE : x := FCommonData.SkinManager.SkinData.BICloseGlow;
HTMAXBUTTON : x := FCommonData.SkinManager.SkinData.BIMaxGlow;
HTMINBUTTON : x := FCommonData.SkinManager.SkinData.BIMinGlow;
end;
if x > 0 then begin
case i of
HTCLOSE : y := FCommonData.SkinManager.SkinData.BICloseGlowMargin;
HTMAXBUTTON : y := FCommonData.SkinManager.SkinData.BIMaxGlowMargin;
HTMINBUTTON : y := FCommonData.SkinManager.SkinData.BIMinGlowMargin;
end;
GetWindowRect(Form.Handle, R);
OffsetRect(R, CurButton^.Rect.Left, CurButton^.Rect.Top);
R.Right := R.Left + WidthOf(CurButton^.Rect);
R.Bottom := R.Top + HeightOf(CurButton^.Rect);

if SkinData.SkinManager.AllowGlowing and (Form.Parent = nil) and (Form.FormStyle <> fsMDIChild) then
CurButton^.GlowID := ShowGlow(R, R, s_GlobalInfo, FCommonData.SkinManager.ma[CurButton.ImageIndex].PropertyName + s_Glow, y, 255, Form.Handle, FCommonData.SkinManager);
end;
end
else if CurButton^.GlowID <> -1 then begin
HideGlow(CurButton^.GlowID);
CurButton^.GlowID := -1;
end;
finally
RestoreDC(DC, SavedDC);
ReleaseDC(Form.Handle, DC);
end;
end
else if (CurButton <> nil) and (CurButton^.GlowID <> -1) then begin
HideGlow(CurButton^.GlowID);
CurButton^.GlowID := -1;
end;
end;

function TsSkinProvider.HTProcess(Message : TWMNCHitTest): integer;
const
BtnSpacing = 1;
var
p : TPoint;
cy1, cy2 : integer;
i, SysBtnCount, BtnIndex : integer;
GripVisible : boolean;
R, hrect, vrect : TRect;
function GetBtnIndex(x : integer) : integer;
var
i, c : integer;
begin
Result := 0;
c := 0;
if SystemMenu.VisibleClose and Assigned(SystemMenu) then begin
inc(c);
if Between(x, ButtonClose.Rect.Left, ButtonClose.Rect.Right) then begin
Result := c;
Exit;
end;
if SystemMenu.VisibleMax then begin
inc(c);
if Between(x, ButtonMax.Rect.Left, ButtonMax.Rect.Right) then begin
Result := c;
Exit;
end;
end;
if SystemMenu.VisibleMin then begin
inc(c);
if Between(x, ButtonMin.Rect.Left, ButtonMin.Rect.Right) then begin
Result := c;
Exit;
end;
end;
if (biHelp in Form.BorderIcons) then begin
inc(c);
if Between(x, ButtonHelp.Rect.Left, ButtonHelp.Rect.Right) then begin
Result := c;
Exit;
end;
end;
end;
for i := 0 to TitleButtons.Count - 1 do begin
inc(c);
if Between(x, TitleButtons[i].BtnData.Rect.Left, TitleButtons[i].BtnData.Rect.Right) then begin
Result := c;
Exit;
end;
end;
end;
begin
p := CursorToPoint(Message.XPos, Message.YPos);
if (FCommonData.SkinManager.SkinData.BIVAlign = 1) and (Form.BorderStyle in [bsSingle, bsSizeable]) then begin
cy1 := 1;
cy2 := cy1 + ButtonHeight - 1;
end
else begin
cy1 := (CaptionHeight - ButtonHeight + SysBorderHeight) div 2;
cy2 := cy1 + ButtonHeight;
end;

if Between(p.y, cy1, cy2) then begin // If in buttons
if Between(p.x, SysBorderWidth, SysBorderWidth + WidthOf(IconRect)) // If system menu icon
then begin SetHotHT(HTSYSMENU); Result := HTSYSMENU; Exit; end;
// Title button?
SysBtnCount := 0;
if SystemMenu.VisibleClose then begin
inc(SysBtnCount);
if SystemMenu.VisibleMax then inc(SysBtnCount);
if SystemMenu.VisibleMin or IsIconic(Form.Handle) then inc(SysBtnCount);
if biHelp in Form.BorderIcons then inc(SysBtnCount);
end;
BtnIndex := GetBtnIndex(p.x);

if (BtnIndex > 0) and (BtnIndex <= SysBtnCount) then begin // If system button
case BtnIndex of
1 : if SystemMenu.VisibleClose then begin
SetHotHT(HTCLOSE); Result := HTCLOSE; Exit;
end;
2 : begin
if SystemMenu.VisibleMax then begin
if (SystemMenu.EnabledMax or (SystemMenu.EnabledRestore and not IsIconic(Form.Handle))) then begin
SetHotHT(HTMAXBUTTON); Result := HTMAXBUTTON; Exit;
end
else begin
SetHotHT(HTCAPTION); Result := HTCAPTION; Exit;
end;
end
else if (SystemMenu.VisibleMin) or IsIconic(Form.Handle) then begin
if SystemMenu.EnabledMin then begin
SetHotHT(HTMINBUTTON); Result := HTMINBUTTON; Exit;
end
else begin
SetHotHT(HTCAPTION); Result := HTCAPTION; Exit;
end;
end
else if (biHelp in Form.BorderIcons) then begin
SetHotHT(HTHELP); Result := HTHELP; EXIT;
end;
end;
3 : begin
if (SystemMenu.VisibleMin) or IsIconic(Form.Handle) then begin
if not IsIconic(Form.Handle) then begin
if SystemMenu.EnabledMin then begin
SetHotHT(HTMINBUTTON); Result := HTMINBUTTON; Exit;
end
else begin
SetHotHT(HTCAPTION); Result := HTCAPTION; Exit;
end;
end
else begin
SetHotHT(HTMINBUTTON); Result := HTMINBUTTON; Exit;
end;
end
else if (biHelp in Form.BorderIcons) then begin
SetHotHT(HTHELP); Result := HTHELP; EXIT;
end;
end;
4 : if (biHelp in Form.BorderIcons) and SystemMenu.VisibleMax then begin
SetHotHT(HTHELP); Result := HTHELP; EXIT;
end;
end;
end
else if (BtnIndex > SysBtnCount) and (BtnIndex <= TitleButtons.Count + SysBtnCount) then begin // UDF button
BtnIndex := BtnIndex - SysBtnCount - 1;
if TitleButtons.Items[BtnIndex].Enabled then begin
Result := HTUDBTN + BtnIndex;
SetHotHT(Result);
end
else begin
Result := HTCAPTION;
end;
Exit;
end
else begin
Result := HTCAPTION;
Exit;
end;
end
else begin
if (GripMode = gmRightBottom) then begin
GripVisible := True;
end
else if Assigned(ListSW) and Assigned(ListSW.sbarVert) and ListSW.sbarVert.fScrollVisible and ListSW.sbarHorz.fScrollVisible then begin
Ac_GetHScrollRect(ListSW, Form.Handle, hrect);
Ac_GetVScrollRect(ListSW, Form.Handle, vrect);
GetWindowRect(Form.Handle, R);
GripVisible := PtInRect(Rect(hrect.Right - R.Left, hrect.Top - R.Top, vrect.Right - R.Left, hrect.Bottom - R.Top), p)
end
else GripVisible := False;
if GripVisible then begin
i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGLobalInfo, s_GlobalInfo, s_GripImage);
if FCommonData.SkinManager.IsValidImgIndex(i) then begin
if (p.y > RBGripPoint(i).y) and (p.x > RBGripPoint(i).x) then begin
Result := HTBOTTOMRIGHT; Exit;
end;
end;
end;
// MDI child buttons
if MDIButtonsNeeded then begin
if PtInRect(MDICLose.Rect, p) then begin
SetHotHT(HTCHILDCLOSE); Result := HTCHILDCLOSE; Exit;
end else
if PtInRect(MDIMax.Rect, p) then begin
SetHotHT(HTCHILDMAX); Result := HTCHILDMAX; Exit;
end else
if PtInRect(MDIMin.Rect, p) then begin
SetHotHT(HTCHILDMIN); Result := HTCHILDMIN; Exit;
end;
end else SetHotHT(0);
end;
if (Form.WindowState = wsMaximized) and AboveBorder(Message) then Result := HTTRANSPARENT else Result := Message.Result;
end;

procedure UpdateMainForm;
begin
if Assigned(MDISkinProvider) then begin
TsSkinProvider(MDISkinProvider).FCommonData.BeginUpdate;
if Assigned(TsSkinProvider(MDISkinProvider).MDIForm) then TsMDIForm(TsSkinProvider(MDISkinProvider).MDIForm).UpdateMDIIconItem;
TsSkinProvider(MDISkinProvider).FCommonData.BGChanged := True;
TsSkinProvider(MDISkinProvider).MenuChanged := True;
TsSkinProvider(MDISkinProvider).FLinesCount := -1;
TsSkinProvider(MDISkinProvider).FCommonData.EndUpdate;
RedrawWindow(TsSkinProvider(MDISkinProvider).Form.ClientHandle, nil, 0, RDW_ERASE or RDW_FRAME or RDW_INTERNALPAINT or RDW_INVALIDATE or RDW_UPDATENOW);
RedrawWindow(TsSkinProvider(MDISkinProvider).Form.Handle, nil, 0, RDW_FRAME or RDW_INVALIDATE);
end
end;

procedure HandleEdge(var Edge: Integer; SnapToEdge: Integer; ASnapBuffer : integer; SnapDistance: Integer = 0);
begin
if (Abs(Edge + SnapDistance - SnapToEdge) < ASnapBuffer) then Edge := SnapToEdge - SnapDistance;
end;

function DoLayered(Form : TForm; Layered : boolean) : boolean;
var
DC : hdc;
FBmpSize: TSize;
FBmpTopLeft: TPoint;
FBlend: TBlendFunction;
Bmp : TBitmap;
begin
Result := False;
if Layered then begin
if GetWindowLong(Form.Handle, GWL_EXSTYLE) and WS_EX_LAYERED <> WS_EX_LAYERED then begin
DC := GetDC(0);
FBlend.BlendOp := AC_SRC_OVER;
FBlend.BlendFlags := 0;
FBlend.AlphaFormat := AC_SRC_ALPHA;
FBlend.SourceConstantAlpha := 10;
FBmpSize.cx := 0;
FBmpSize.cy := 0;
FBmpTopLeft.X := 0;
FBmpTopLeft.Y := 0;
Bmp := TBitmap.Create;

SetWindowLong(Form.Handle, GWL_EXSTYLE, GetWindowLong(Form.Handle, GWL_EXSTYLE) or WS_EX_LAYERED);
UpdateLayeredWindow(Form.Handle, DC, nil, @FBmpSize, Bmp.Canvas.Handle, @FBmpTopLeft, clNone, @FBlend, ULW_ALPHA);

Bmp.Free;
ReleaseDC(0, DC);
Result := True;
end;
end
else begin
SetWindowLong(Form.Handle, GWL_EXSTYLE, GetWindowLong(Form.Handle, GWL_EXSTYLE) and not WS_EX_LAYERED);
end;
end;

procedure TsSkinProvider.NewWndProc(var Message: TMessage);
var
DC, SavedDC : hdc;
mi : TMenuItem;
X, Y, i : integer;
p : TPoint;
UpdateClient, lInted : boolean;
cR : TRect;
PS : TPaintStruct;
AFlags: integer;
begin
{$IFDEF LOGGED}
if Assigned(Form) and (Form.Name = 'Frm_Undo') {and (IntLevel > 0){(Form.FormStyle <> fsMdiChild) }then begin
AddToLog(Message);
end;
{$ENDIF}
{$IFDEF LOGGED}
// if Form.Tag = 1 then begin
// if Form.Parent <> nil then AddToLog(Message, 'Docked - ') else AddToLog(Message, 'Undocked - ');
// end;
// AddToLog(Message);
{$ENDIF}
if Message.Msg = SM_ALPHACMD then case Message.WParamHi of
AC_REMOVESKIN : begin
if (LongWord(Message.LParam) = LongWord(SkinData.SkinManager)) then begin
UseDwm(Form.Handle, False);
DwmInitialized := False;
if ListSW <> nil then FreeAndNil(ListSW);
AdapterRemove;
CommonMessage(Message, FCommonData);
FLinesCount := -1;
AlphaBroadCast(Form, Message);
if Assigned(SkinData.SkinManager) then begin
DeleteUnusedBmps(True);
end;
if (Form <> nil) and not (csDestroying in Form.ComponentState) then begin
if Assigned(SkinData.SkinManager) then begin
InitMenuItems(False);
CheckSysMenu(False);
if (Form.FormStyle = fsMDIForm) and (MDIForm <> nil) then HookMDI(False);
if HaveBorder(Self) and not InMenu then SetWindowRgn(Form.Handle, 0, True); // Return standard kind
UpdateMenu;
RedrawWindow(Form.ClientHandle, nil, 0, RDW_FRAME or RDW_INVALIDATE or RDW_ERASE or RDW_ALLCHILDREN);
end;
if UseGlobalColor and not SkinData.CustomColor then Form.Color := clBtnFace;
if FCommonData.FCacheBmp <> nil then begin
FreeAndNil(FCommonData.FCacheBmp);
end;
end;
end
else AlphaBroadCast(Form, Message);
Exit
end;
AC_SETNEWSKIN : if not (csDestroying in Form.ComponentState) and Assigned(SkinData) then begin
if (LongWord(Message.LParam) = LongWord(SkinData.SkinManager)) and not Assigned(SystemMenu) then PrepareForm
end;
AC_GETAPPLICATION : begin Message.Result := longint(Application); Exit end;
AC_PARENTCLOFFSET : begin Message.Result := MakeLong(OffsetX, OffsetY); Exit end;
AC_CTRLHANDLED : begin Message.Result := 1; Exit end;
AC_GETBG : if (FCommonData <> nil) then begin
if FCommonData.BGChanged and not FCommonData.FUpdating and IsCached(SkinData) then begin
PaintAll;
end;
if PacBGInfo(Message.LParam)^.PleaseDraw then begin
inc(PacBGInfo(Message.LParam)^.Offset.X, OffsetX);
inc(PacBGInfo(Message.LParam)^.Offset.Y, OffsetY);
end;
InitBGInfo(FCommonData, PacBGInfo(Message.LParam), integer(FormActive));
if (PacBGInfo(Message.LParam)^.BgType = btCache) then begin
if not PacBGInfo(Message.LParam)^.PleaseDraw then begin
if PacBGInfo(Message.LParam)^.Bmp = nil then begin
PaintAll;
PacBGInfo(Message.LParam)^.Bmp := FCommonData.FCacheBmp;
end;
PacBGInfo(Message.LParam)^.Offset := Point(OffsetX, OffsetY);
end;
end;
Exit;
end;
AC_GETSKINSTATE : begin
Message.Result := FCommonData.CtrlSkinState;
Exit;
end;
end;

if (csDestroying in Form.ComponentState) or not FCommonData.Skinned(True) then begin
if Message.Msg = SM_ALPHACMD then case Message.WParamHi of
AC_GETPROVIDER : begin Message.Result := longint(Self); Exit end; // Used for menuline init
AC_SETNEWSKIN : if not (csDestroying in Form.ComponentState) and Assigned(SkinData) then begin
if (LongWord(Message.LParam) = LongWord(SkinData.SkinManager)) then begin
DeleteUnusedBmps(True);
FCommonData.UpdateIndexes;
// if not IsCacheRequired(FCommonData) then FCommonData.CtrlSkinState := FCommonData.CtrlSkinState or ACS_FAST else FCommonData.CtrlSkinState := FCommonData.CtrlSkinState and not ACS_FAST;

if (SkinData.SkinManager <> nil) then begin
UpdateIconsIndexes;
CheckSysMenu(True);
if (Form.FormStyle = fsMDIForm) and (Screen.ActiveForm = Form.ActiveMDIChild) then FormActive := True;
// Menus skinning
if not (csLoading in SkinData.SkinManager.ComponentState) then
InitMenuItems(True); // Update after skinning in run-time
// Menu Line refresh
FCommonData.BGChanged := True;
FLinesCount := -1;
if (TForm(Form).FormStyle = fsMDIForm) then begin
if not Assigned(MDIForm) then HookMDI;
// if MDIForm <> nil then TsMDIForm(MDIForm).ConnectToClient;
end;
if UseGlobalColor and not SkinData.CustomColor then Form.Color := SkinData.SkinManager.GetGlobalColor;
end;
if Adapter = nil then AdapterCreate else Adapter.AddAllItems;
end;
// AlphaBroadCast(Form, Message);
Exit;
end;
end;
OldWndProc(Message);
if (Message.Msg = WM_NCDESTROY) and (Form.FormStyle = fsMDIChild) then begin
if Assigned(MDISkinProvider) and Assigned(TsSkinProvider(MDISkinProvider).MDIForm) and not (csDestroying in TsSkinProvider(MDISkinProvider).ComponentState) and
not (csDestroying in TsSkinProvider(MDISkinProvider).Form.ComponentState) and TsSkinProvider(MDISkinProvider).SkinData.Skinned(True) then begin
TsSkinProvider(MDISkinProvider).RepaintMenu;
if TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild = nil
then RedrawWindow(TsSkinProvider(MDISkinProvider).Form.ClientHandle, nil, 0, RDW_ERASE or RDW_FRAME or RDW_INTERNALPAINT or RDW_INVALIDATE or RDW_UPDATENOW);
end;
end;
end
else begin
if Message.Msg = SM_ALPHACMD then case Message.WParamHi of
AC_CONTROLLOADED : if (Form <> nil) and not (csLoading in Form.ComponentState) then begin
if Adapter <> nil then begin
if Message.LParam <> 0 then Adapter.AddAllItems(TWinControl(Message.LParam)) else begin
Adapter.AddAllItems(Form)
end;
end;
end;
// AC_SETGRAPHCONTROL : FCommonData.GraphControl := pointer(Message.LParam);
AC_PREPARING : if (FCommonData <> nil) then begin
Message.Result := integer(not InAnimationProcess{LionDev} and IsCached(FCommonData) and (FCommonData.FUpdating or FormChanged));
Exit
end;
AC_UPDATING : begin
FCommonData.Updating := Message.WParamLo = 1;
if FCommonData.Updating then FCommonData.BGChanged := True;
end;
AC_REFRESH : if (LongWord(Message.LParam) = LongWord(SkinData.SkinManager)) then begin
if Adapter = nil then AdapterCreate else Adapter.AddAllItems;
if FDrawNonClientArea then RefreshFormScrolls(Self, ListSW, False);

FLinesCount := -1;
if Assigned(TitleBG) then FreeAndNil(TitleBG);
if not (csLoading in SkinData.SkinManager.ComponentState) then begin
UpdateMenu;
InitMenuItems(SkinData.Skinned);
end;
if HaveBorder(Self) then RgnChanged := True;
if not Form.Visible then Exit;

FCommonData.BGChanged := True;
if not InAnimationProcess then begin
if (Form.FormStyle = fsMDIForm) and Assigned(Form.ActiveMDIChild) and (Form.ActiveMDIChild.WindowState = wsMaximized) then begin
SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
InvalidateRect(Form.ActiveMDIChild.Handle, nil, True);
end
else begin
RedrawWindow(Form.Handle, nil, 0, RDW_INVALIDATE or RDW_ERASE or RDW_UPDATENOW or RDW_FRAME or RDW_NOCHILDREN);
if Form.FormStyle = fsMDIForm then begin
RedrawWindow(Form.ClientHandle, nil, 0, RDW_INVALIDATE or RDW_ERASE or RDW_UPDATENOW or RDW_FRAME or RDW_NOCHILDREN);
end;
end;
end;
if UseGlobalColor and not SkinData.CustomColor then Form.Color := SkinData.SkinManager.GetGlobalColor;
if MDIForm <> nil then TsMDIForm(MDIForm).ConnectToClient;
FCommonData.Updating := False; // Form image is prepared now
if SystemMenu <> nil then SystemMenu.UpdateGlyphs;
SendToAdapter(Message); // Sending message to all child adapted controls
end;
AC_CHILDCHANGED : begin
Message.LParam := integer((FCommonData.SkinManager.gd[SkinData.SkinIndex].GradientPercent + FCommonData.SkinManager.gd[SkinData.SkinIndex].ImagePercent > 0));
Message.Result := Message.LParam;
Exit;
end;
AC_GETCONTROLCOLOR : begin
Message.Result := FormColor;
Exit;
end;
AC_GETPROVIDER : begin
Message.Result := longint(Self);
Exit
end; // Used for menuline init
AC_SETNEWSKIN : if (LongWord(Message.LParam) = LongWord(SkinData.SkinManager)) then begin
DeleteUnusedBmps(True);
FCommonData.UpdateIndexes;
// if not IsCacheRequired(FCommonData) then FCommonData.CtrlSkinState := FCommonData.CtrlSkinState or ACS_FAST else FCommonData.CtrlSkinState := FCommonData.CtrlSkinState and not ACS_FAST;
if (SkinData.SkinManager <> nil) then begin
UpdateIconsIndexes;

DeleteUnusedBmps(True);
CheckSysMenu(FDrawNonClientArea);
SkinData.SkinManager.SkinableMenus.UpdateMenus;

// Menu Line refresh
FCommonData.BGChanged := True;
FLinesCount := -1;
SendMessage(Form.Handle, WM_NCPaint, 0, 0);

if (TForm(Form).FormStyle = fsMDIForm) then begin
if not Assigned(MDIForm) then HookMDI;
// TsMDIForm(MDIForm).ConnectToClient
end;
end;
end;
AC_BEFORESCROLL : begin
if FCommonData.RepaintIfMoved then SendMessage(Form.Handle, WM_SETREDRAW, 0, 0);
end;
AC_AFTERSCROLL : if FCommonData.RepaintIfMoved then begin
SendMessage(Form.Handle, WM_SETREDRAW, 1, 0);
RedrawWindow(Form.Handle, nil, 0, {RDW_NOERASE or }RDW_UPDATENOW or RDW_INVALIDATE or RDW_ALLCHILDREN or RDW_FRAME or RDW_ERASE);
if MDISkinProvider = Self then RedrawWindow(Form.ClientHandle, nil, 0, RDW_UPDATENOW or RDW_INVALIDATE or RDW_ALLCHILDREN or RDW_FRAME);
end;
AC_URGENTPAINT : begin
CommonWndProc(Message, FCommonData);
if FCommonData.UrgentPainting then PaintAll;
Exit;
end;
end
else case Message.Msg of
WM_NCCALCSIZE : begin
AC_WMNCCalcSize(TWMNCCalcSize(Message));
end;
WM_INITMENUPOPUP : begin
if Message.LParam <> 0 then acCanHookMenu := True; // Menu skinning is supported
OldWndProc(Message);
end;
787 : begin
DropSysMenu(Mouse.CursorPos.X, Mouse.CursorPos.Y) ;
end;
CM_SHOWINGCHANGED : begin
if FCommonData.BGChanged and {not AeroIsEnabled and }Form.Showing and FDrawNonClientArea then begin // If first showing
InitMenuItems(SkinData.Skinned);
if Adapter <> nil then Adapter.AddAllItems(Form);
fAnimating := (Form.FormStyle <> fsMDIChild) and (Form.Parent = nil) and
(not (Form.BorderStyle in [bsSizeable, bsSingle]) and SkinData.SkinManager.AnimEffects.DialogShow.Active or
(Form.BorderStyle in [bsSizeable, bsSingle]) and SkinData.SkinManager.AnimEffects.FormShow.Active);

lInted := False;
if fAnimating then begin
FCommonData.Updating := True; // Don't draw child controls
InAnimationProcess := True;
if AeroIsEnabled then begin
lInted := DoLayered(Form, True);
UpdateRgn(Self, False);
RgnChanging := False;
end;
for i := 0 to Form.ControlCount - 1 do if Form.Controls[i].Visible and not (Form.Controls[i] is TCoolBar) {TCoolBar must have Painting processed for buttons aligning} then Form.Controls[i].Perform(WM_SETREDRAW, 0, 0);
end;
OldWndProc(Message);
RefreshFormScrolls(Self, ListSW, False);
if fAnimating then begin
if AeroIsEnabled then begin
if lInted then DoLayered(Form, False);
end;
for i := 0 to Form.ControlCount - 1 do if Form.Controls[i].Visible then Form.Controls[i].Perform(WM_SETREDRAW, 1, 0);
end;
if fAnimating then begin
fAnimating := False;
if not (Form.BorderStyle in [bsSizeable, bsSingle])
then i := SkinData.SkinManager.AnimEffects.DialogShow.Time
else i := SkinData.SkinManager.AnimEffects.FormShow.Time;
AnimShowControl(Form, i);
UpdateRgn(Self, False);
InAnimationProcess := False;
if IsCached(FCommonData) or UseAero
then RedrawWindow(Form.Handle, nil, 0, RDW_NOERASE or RDW_UPDATENOW or RDW_INVALIDATE or RDW_ALLCHILDREN or RDW_FRAME)
else RedrawWindow(Form.Handle, nil, 0, RDW_ERASE or RDW_UPDATENOW or RDW_INVALIDATE or RDW_ALLCHILDREN or RDW_FRAME);
RgnChanging := False;
end;
if (Form.FormStyle = fsMDIChild) and (Form.WindowState = wsMaximized) then TsSkinProvider(MDISkinProvider).RepaintMenu;
end
else begin // Backgrounds must be drawn by all controls for a blinking prevent
OldWndProc(Message);
end;
end;
WM_SHOWWINDOW : begin
if (Form.FormStyle <> fsMDIChild) then begin

if (Message.WParam = 1) and AeroIsEnabled then begin
if not InAnimationProcess and (GetWindowLong(Form.Handle, GWL_EXSTYLE) and WS_EX_LAYERED <> WS_EX_LAYERED) then begin
SetWindowLong(Form.Handle, GWL_STYLE, GetWindowLong(Form.Handle, GWL_STYLE) or WS_VISIBLE);
RedrawWindow(Form.Handle, nil, 0, RDW_FRAME or RDW_ALLCHILDREN or RDW_INVALIDATE);
end;
end;

if TWMShowWindow(Message).Status = SW_PARENTCLOSING then begin
if IsIconic(Form.Handle) then begin
ShowAction := saMinimize
end
else begin
if IsZoomed(Form.Handle) then ShowAction := saMaximize else ShowAction := saRestore;
end;
end;
end;
OldWndProc(Message);
if (Form.FormStyle = fsMDIChild) then begin
if (Form.WindowState = wsMaximized) then TsSkinProvider(MDISkinProvider).RepaintMenu;
end;
if (Form.FormStyle = fsMDIForm) then begin
for i := 0 to Form.MDIChildCount - 1 do
if not GetBoolMsg(Form.MDIChildren[i].Handle, AC_CTRLHANDLED)
then AddSupportedForm(Form.MDIChildren[i].Handle);
end;
end;
WM_SETTEXT : if Form.Showing and not (csCreating in Form.ControlState) and FDrawNonClientArea {and not ((Form.FormStyle = fsMdiChild) and (Form.WindowState = wsMaximized))} then begin
if (Form.FormStyle = fsMdiChild) and (Form.WindowState = wsMaximized) then begin
TsSkinProvider(MDISkinProvider).FCommonData.BGChanged := True;
MakeCaptForm(TsSkinProvider(MDISkinProvider));
OldWndProc(Message);
KillCaptForm(TsSkinProvider(MDISkinProvider));
end
else if not AeroIsEnabled then begin
FCommonData.BGChanged := True;
MakeCaptForm(Self);
OldWndProc(Message);
KillCaptForm(Self);
end
else begin
// Form.Perform(WM_SETREDRAW, 0, 0);
OldWndProc(Message);
// Form.Perform(WM_SETREDRAW, 1, 0); // Don't work correctly under Aero
UpdateSkinCaption(Self);
end;
end else OldWndProc(Message);
CM_ENABLEDCHANGED : begin
OldWndProc(Message);
if FDrawNonClientArea then begin
SkinData.BGChanged := True;
SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
end;
end;
WM_SYSCOLORCHANGE : begin
OldWndProc(Message);
UpdateMenu;
end;
WM_CHILDACTIVATE : begin
OldWndProc(Message);
UpdateMenu;
if (MDISkinProvider <> nil) and (TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild <> nil)
then if TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild.WindowState = wsMaximized then begin
TsMDIForm(TsSkinProvider(MDISkinProvider).MDIForm).UpdateMDIIconItem;
end
end;
WM_SIZE : begin
if IsGripVisible(Self) then begin
i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGLobalInfo, s_GlobalInfo, s_GripImage);
if FCommonData.SkinManager.IsValidImgIndex(i) then begin // If grip image is defined in skin
X := WidthOf(FCommonData.SkinManager.ma[i].R) div FCommonData.SkinManager.ma[i].ImageCount;
Y := HeightOf(FCommonData.SkinManager.ma[i].R) div (FCommonData.SkinManager.ma[i].MaskType + 1);

if ((Form.ClientWidth > WidthOf(LastClientRect)) or (Form.ClientHeight > HeightOf(LastClientRect))) then begin
if not IsCached(SkinData) then begin // Refresh rect where Grip was drawn
if (WidthOf(LastClientRect) <> 0) then begin

cR.Left := LastClientRect.Right - X;
cR.Top := LastClientRect.Bottom - Y;
cR.Bottom := LastClientRect.Bottom;
cR.Right := LastClientRect.Right;

InvalidateRect(Form.Handle, @cR, not IsCached(FCommonData));
end;
end;
end;
if ((Form.ClientWidth < WidthOf(LastClientRect)) or (Form.ClientHeight < HeightOf(LastClientRect))) then begin
cR.Left := Form.ClientWidth - X;
cR.Top := Form.ClientHeight - Y;
cR.Bottom := Form.ClientHeight;
cR.Right := Form.ClientWidth;

InvalidateRect(Form.Handle, @cR, not IsCached(FCommonData));
end;

end;
end;
if ((Form.ClientWidth < WidthOf(LastClientRect)) or (Form.ClientHeight < HeightOf(LastClientRect)) or (WidthOf(LastClientRect) = 0)) then begin
i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, FCommonData.SkinSection, s_ImgTopRight);
if i > -1 then begin
X := WidthOf(FCommonData.SkinManager.ma[i].R) div FCommonData.SkinManager.ma[i].ImageCount;
Y := HeightOf(FCommonData.SkinManager.ma[i].R) div (FCommonData.SkinManager.ma[i].MaskType + 1);
cR.Left := LastClientRect.Right - X;
cR.Top := LastClientRect.Bottom - Y;
cR.Bottom := LastClientRect.Bottom;
cR.Right := LastClientRect.Right;
InvalidateRect(Form.Handle, @cR, not IsCached(FCommonData));
end;
i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, FCommonData.SkinSection, s_ImgBottomRight);
if i > -1 then begin
X := WidthOf(FCommonData.SkinManager.ma[i].R) div FCommonData.SkinManager.ma[i].ImageCount;
Y := HeightOf(FCommonData.SkinManager.ma[i].R) div (FCommonData.SkinManager.ma[i].MaskType + 1);
cR.Left := LastClientRect.Right - X;
cR.Top := LastClientRect.Bottom - Y;
cR.Bottom := LastClientRect.Bottom;
cR.Right := LastClientRect.Right;
InvalidateRect(Form.Handle, @cR, not IsCached(FCommonData));
end;

if FCommonData.SkinManager.gd[FCommonData.SkinIndex].GradientPercent > 0 then InvalidateRect(Form.Handle, nil, True);
end;
LastClientRect := Rect(0, 0, Form.ClientWidth, Form.ClientHeight);

OldWndProc(Message);
if not InAnimationProcess then begin
if Form.Showing then begin
if FormChanged and (not (IsIconic(Form.Handle) and AeroIsEnabled)) then begin
RgnChanged := True;
FCommonData.BGChanged := True;
FLinesCount := -1;
if FCommonData.FCacheBmp <> nil
then UpdateClient := IsCached(FCommonData) and ((FCommonData.FCacheBmp.Width > Form.Width) or (FCommonData.FCacheBmp.Height > Form.Height))
else UpdateClient := True;
if FDrawNonClientArea then SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
if UpdateClient and not AeroIsEnabled
then InvalidateRect(Form.Handle, nil, False); // v6.10
end
else if (Form.FormStyle = fsMDIForm) and IsCached(SkinData) then begin
SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
end
else begin
case Message.WParam of
SIZE_MAXIMIZED : if (Form.FormStyle = fsMDIChild) and (Form.WindowState = wsMaximized) then begin // Repaint MDI child buttons
TsSkinProvider(MDISkinProvider).FCommonData.BGChanged := True;
TsSkinProvider(MDISkinProvider).MenuChanged := True;
RedrawWindow(Form.Handle, nil, 0, RDW_FRAME or RDW_INVALIDATE or RDW_ALLCHILDREN);
end;
end;
end;
end
else FCommonData.BGChanged := True;
end;
end;
WM_ENTERMENULOOP : begin
if (Form.FormStyle = fsMDIForm) and not InMenu and (Form.ActiveMDIChild <> nil) and (Form.ActiveMDIChild.WindowState = wsMaximized) then begin
InMenu := True;
if MDIIconsForm = nil then MDIIconsForm := TForm.Create(Application);
MDIIconsForm.Visible := False;
MDIIconsForm.Tag := ExceptTag;
MDIIconsForm.Name := 'acMDIIcons';
MDIIconsForm.OnPaint := MdiIcoFormPaint;

MDIIconsForm.BorderStyle := bsNone;
SetWindowPos(MDIIconsForm.Handle, 0, Form.BoundsRect.Right - 60, Form.Top + CaptionHeight, 60, GetSystemMetrics(SM_CYMENU) - 1 + 4, SWP_NOACTIVATE or SWP_SHOWWINDOW or SWP_NOREDRAW);
end;
OldWndProc(Message);
end;
WM_EXITMENULOOP : begin
InMenu := False;
if Assigned(MDIIconsForm) then FreeAndNil(MDIIconsForm);
OldWndProc(Message);
end;
WM_NCHITTEST : begin
if (CaptionHeight = 0) or not FDrawNonClientArea then OldWndProc(Message) else begin
Message.Result := HTProcess(TWMNCHitTest(Message));
case Message.Result of
Windows.HTCAPTION : begin
OldWndProc(Message);
SetHotHT(0);
end;
Windows.HTNOWHERE : begin
OldWndProc(Message);
SetHotHT(0);
end;
end;
if (ResizeMode = rmBorder) and { MarkB } (nDirection = 0) and (Message.Result in [HTCAPTION, HTBOTTOM, HTBOTTOMLEFT, HTBOTTOMRIGHT, HTLEFT,
HTRIGHT, HTTOP, HTTOPLEFT, HTTOPRIGHT]) then nDirection := Message.Result;
end;
end;
WM_SIZING : begin
OldWndProc(Message);
{ if FormChanged then begin
FCommonData.BGChanged := True;
FLinesCount := -1;
end;}
end;
WM_MOUSELEAVE, CM_MOUSELEAVE : begin
SetHotHT(0);
OldWndProc(Message);
end;
CM_MOUSEENTER : begin
OldWndProc(Message);
for i := 0 to Form.ControlCount - 1 do begin
if (Form.Controls[i] is TsSpeedButton) and (Form.Controls[i] <> Pointer(Message.LParam)) and TsSpeedButton(Form.Controls[i]).SkinData.FMouseAbove then begin
Form.Controls[i].Perform(CM_MOUSELEAVE, 0, 0)
end;
end;
end;
WM_NCLBUTTONDOWN : begin
if FDrawNonClientArea then case TWMNCLButtonDown(Message).HitTest of
HTCLOSE, HTMAXBUTTON, HTMINBUTTON, HTHELP, HTCHILDCLOSE..HTCHILDMIN : begin
if Assigned(ChildProvider) then begin
if ((TWMNCLButtonDown(Message).HitTest = HTCHILDMIN) and not ChildProvider.SystemMenu.EnabledMin) or
((TWMNCLButtonDown(Message).HitTest = HTCHILDMAX) and not ChildProvider.SystemMenu.EnabledRestore)
then Exit;
end;
SetPressedHT(TWMNCLButtonDown(Message).HitTest);
end;
HTSYSMENU : begin
SetHotHT(0);
if Form.FormStyle = fsMDIChild then begin
if Assigned(MDISkinProvider) then begin
p := FormLeftTop;
DropSysMenu(p.x, p.y + CaptionHeight + 4);
end;
end
else DropSysMenu(FormLeftTop.x + SysBorderWidth, FormLeftTop.y + BorderHeight + HeightOf(IconRect));
end
else if BetWeen(TWMNCLButtonDown(Message).HitTest, HTUDBTN, HTUDBTN + TitleButtons.Count - 1) then begin
SetPressedHT(TWMNCLButtonDown(Message).HitTest);
TitleButtons.Items[TWMNCHitMessage(Message).HitTest - HTUDBTN].MouseDown(TWMNCHitMessage(Message).HitTest - HTUDBTN, mbLeft, [], TWMNCHitMessage(Message).XCursor, TWMNCHitMessage(Message).YCursor);
end
else begin
if IsIconic(Form.Handle) then Form.Perform(WM_SYSCOMMAND, $F012, 0) else begin
SetHotHT(0);
if (Form.WindowState <> wsMaximized) or (CursorToPoint(0, TWMNCLButtonDown(Message).YCursor).y > SysBorderHeight + CaptionHeight) then begin
if (ResizeMode = rmBorder) and not (TWMNCLButtonDown(Message).HitTest in [HTMENU]) then begin // MarkB
// If caption pressed then activate form (standard procedure)
if (TWMNCLButtonDown(Message).HitTest in [HTMENU, HTCAPTION]) then OldWndProc(Message);
bMode := not (TWMNCLButtonDown(Message).HitTest in [HTRIGHT, HTLEFT, HTBOTTOM, HTTOP, HTTOPLEFT, HTTOPRIGHT, HTBOTTOMLEFT, HTBOTTOMRIGHT]);
p := Point(TWMNCLButtonDown(Message).XCursor, TWMNCLButtonDown(Message).YCursor);
if bMode then SendMessage(Form.Handle, WM_SYSCOMMAND, SC_MOVE, 0) else SendMessage(Form.Handle, WM_SYSCOMMAND, SC_SIZE, 0);
StartMove(p.X, p.Y);
end
else OldWndProc(Message);
end
else if not Form.Active then Form.SetFocus; // Focusing if maximized
end;
end
end
else begin
// Skinned sysmenu
case TWMNCLButtonDown(Message).HitTest of
HTSYSMENU : begin
SetHotHT(0);
if Form.FormStyle = fsMDIChild then begin
if Assigned(MDISkinProvider) then begin
p := FormLeftTop;
DropSysMenu(p.x, p.y + CaptionHeight + 4);
end;
end
else DropSysMenu(FormLeftTop.x + SysBorderWidth, FormLeftTop.y + BorderHeight + HeightOf(IconRect));
end
else OldWndProc(Message);
end
// OldWndProc(Message);
end;
end;// else OldWndProc(Message);
WM_SETTINGCHANGE : begin
FCommonData.BGChanged := True;
if TitleBG <> nil then FreeAndNil(TitleBG);
OldWndProc(Message);
end;
WM_MOUSEMOVE : begin // MarkB
OldWndProc(Message);
if (DefaultManager <> nil) and not (csDesigning in DefaultManager.ComponentState) then DefaultManager.ActiveControl := 0;
if ResizeMode = rmBorder then begin
p := Form.ClientToScreen(Point(TWMMouseMove(Message).XPos, TWMMouseMove(Message).YPos));
X := p.X;
Y := p.Y;
if bMode then begin //Move section
if bCapture then bCapture := False;
if bInProcess then begin
DrawFormBorder(nleft, ntop);
nleft := nleft + (X - nX);
ntop := ntop + (Y - nY);
nY := Y;
nX := X;
DrawFormBorder(nleft, ntop);
end;
end
else begin
//Size section
if bCapture then begin
nX := X;
nY := Y;
bCapture := False;
end;
if bInProcess then begin
DrawFormBorder(0, 0);
case nDirection of
HTLEFT : begin
nleft := Form.left + X - nX;
if nright - nleft < nMinWidth then nleft := nright - nMinWidth;
end;
HTRIGHT : begin
nright := Form.left + Form.width + X - nX;
if nright - nleft < nMinWidth then nright := Form.left + nMinWidth;
end;
HTBOTTOM : begin
nbottom := Form.top + Form.height + Y - nY;
if nbottom - ntop < nMinHeight then nbottom := Form.top + nMinHeight;
end;
HTTOP : begin
ntop := Form.top + Y - nY;
if nbottom - ntop < nMinHeight then ntop := nbottom - nMinHeight;
end;
HTBOTTOMLEFT : begin
nbottom := Form.top + Form.height + Y - nY;
if nbottom - ntop < nMinHeight then nbottom := Form.top + nMinHeight;
nleft := Form.left + X - nX;
if nright - nleft < nMinWidth then nleft := nright - nMinWidth;
end;
HTTOPRIGHT : begin
ntop := Form.top + Y - nY;
if nbottom - ntop < nMinHeight then ntop := nbottom - nMinHeight;
nright := Form.left + Form.width + X - nX;
if nright - nleft < nMinWidth then nright := Form.left + nMinWidth;
end;
HTTOPLEFT : begin
ntop := Form.top + Y - nY;
if nbottom - ntop < nMinHeight then ntop := nbottom - nMinHeight;
nleft := Form.left + X - nX;
if nright - nleft < nMinWidth then nleft := nright - nMinWidth;
end
else begin
nbottom := Form.top + Form.height + Y - nY;
if nbottom - ntop < nMinHeight then nbottom := Form.top + nMinHeight;
nright := Form.left + Form.width + X - nX;
if nright - nleft < nMinWidth then nright := Form.left + nMinWidth;
end;
end;
DrawFormBorder(0, 0);
end;
end;
end;
end;
WM_NCRBUTTONDOWN : if not (TWMNCLButtonUp(Message).HitTest in [HTCAPTION, HTSYSMENU]) then OldWndProc(Message);
WM_NCRBUTTONUP : begin
if {FDrawNonClientArea Skinned sysmenu and} HaveBorder(Self){SkinData.SkinManager.SkinnedPopups} then begin
case TWMNCLButtonUp(Message).HitTest of
HTCAPTION, HTSYSMENU : begin
SetHotHT(0);
DropSysMenu(TWMNCLButtonUp(Message).XCursor, TWMNCLButtonUp(Message).YCursor);
end
end;
Exit;
end
else OldWndProc(Message);
end;
WM_NCLBUTTONUP, WM_LBUTTONUP: if FDrawNonClientArea then begin
case TWMNCHitMessage(Message).HitTest of
HTCLOSE : if biClicked then begin
ButtonClose.State := 0;
SendMessage(Form.Handle, WM_SYSCOMMAND, SC_CLOSE, 0);
end;
HTMAXBUTTON : if (SystemMenu.EnabledMax or (Form.WindowState = wsMaximized) and SystemMenu.EnabledRestore) then begin
if biClicked then begin
if Form.FormStyle = fsMDIChild then TsSkinProvider(MDISkinProvider).FCommonData.BeginUpdate;
SetHotHT(0);
if Form.WindowState = wsMaximized then begin
if Form.FormStyle <> fsMDIChild then Form.WindowState := wsNormal else ChildProvider := nil;
SendMessage(Form.Handle, WM_SYSCOMMAND, SC_RESTORE, 0);
Form.Repaint
end
else begin
if Form.FormStyle = fsMDIChild then ChildProvider := nil;
SendMessage(Form.Handle, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
end;
SystemMenu.UpdateItems;
end
else begin
SetHotHT(0);
OldWndProc(Message);
end;
end;
HTMINBUTTON : if biClicked then begin
p := CursorToPoint(TWMMouse(Message).XPos, TWMMouse(Message).YPos);
if PtInRect(ButtonMin.Rect, p) then begin
SetHotHT(0);
if (Application.MainForm = Form) then begin
// Application.Minimize; !!!
SendMessage(Form.Handle, WM_SYSCOMMAND, SC_MINIMIZE, 0);
end
else if IsIconic(Form.Handle) then begin
SendMessage(Form.Handle, WM_SYSCOMMAND, SC_RESTORE, 0);
end
else SendMessage(Form.Handle, WM_SYSCOMMAND, SC_MINIMIZE, 0);
FCommonData.BGChanged := True;
RegionChanged := True;
end
else OldWndProc(Message);
end
else begin
SetHotHT(0);
OldWndProc(Message);
end;
HTHELP : if biClicked then begin
SendMessage(Form.Handle, WM_SYSCOMMAND, SC_CONTEXTHELP, 0);
SetHotHT(0);
SystemMenu.UpdateItems;
Form.Perform(WM_NCPAINT, 0, 0);
end else SetHotHT(0);
// MDI child buttons
HTCHILDCLOSE : if biClicked then begin
SendMessage(Form.ActiveMDIChild.Handle, WM_SYSCOMMAND, SC_CLOSE, 0);
SetHotHT(0, False);
end;
HTCHILDMAX : begin
if biClicked then SendMessage(Form.ActiveMDIChild.Handle, WM_SYSCOMMAND, SC_RESTORE, 0);
SetHotHT(0, False);
end;
HTCHILDMIN : begin
if biClicked then begin
TsSkinProvider(MDISkinProvider).FCommonData.BeginUpdate;
SendMessage(Form.ActiveMDIChild.Handle, WM_SYSCOMMAND, SC_MINIMIZE, 0);
end;
SetHotHT(0);
end
else if BetWeen(TWMNCHitMessage(Message).HitTest, HTUDBTN, HTUDBTN + TitleButtons.Count - 1) then begin
if biClicked then TitleButtons.Items[TWMNCHitMessage(Message).HitTest - HTUDBTN].MouseUp(TWMNCHitMessage(Message).HitTest - HTUDBTN, mbLeft, [], TWMNCHitMessage(Message).XCursor, TWMNCHitMessage(Message).YCursor);
SetHotHT(0);
end
else begin
if IsIconic(Form.Handle) then begin
if Assigned(MDISkinProvider) then DropSysMenu(acMousePos.x + FormLeftTop.X, acMousePos.y) else OldWndProc(Message);
end
else begin
if (ResizeMode = rmBorder) and (Form.WindowState <> wsMaximized) and bInProcess then begin // MarkB
//Common section
p := Form.ClientToScreen(Point(TWMNCLButtonDown(Message).XCursor, TWMNCLButtonDown(Message).YCursor));
StopMove(p.x, p.y);
ReleaseCapture;
end else OldWndProc(Message);
end;
end
end;
end
else OldWndProc(Message);
WM_ENTERIDLE : begin
Message.Result := 0;
Exit;
end;
CM_FLOAT : begin
OldWndProc(Message);
if ListSW <> nil then FreeAndNil(ListSW);
SendAMessage(Form.Handle, AC_REFRESH, Cardinal(SkinData.SkinManager));
end;
CM_MENUCHANGED : begin
if not (fsCreating in Form.FormState) and Form.Visible then MenuChanged := True; // Menu may be invisible after form opening ????
OldWndProc(Message);
end;
WM_PRINT : begin
if not Form.Visible or (csLoading in ComponentState) or (fsCreating in Form.FormState) or (csDestroying in Form.ComponentState) then Exit;
if {FCommonData.Updating or} ((Form.FormStyle = fsMDIChild) and (MDISkinProvider <> nil) and
Assigned(TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild) and
(TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild.WindowState = wsMaximized)
and (Form <> TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild)) then Exit;
if not MenusInitialized then begin
if UpdateMenu then MenusInitialized := True;
end;
DC := TWMPaint(Message).DC;
FCommonData.Updating := False;
if FDrawNonClientArea then begin
if not HaveBorder(Self) and IsSizeBox(Form.Handle) then begin
if FCommonData.BGChanged then begin
PaintAll;
end;
i := Form.BorderWidth + 3;
BitBlt(DC, 0, 0, Form.Width, i, FCommonData.FCacheBmp.Canvas.Handle, 0, 0, SRCCOPY); // Title and menu line update
BitBlt(DC, 0, i, i, FCommonData.FCacheBmp.Height, FCommonData.FCacheBmp.Canvas.Handle, 0, i, SRCCOPY); // Left border update
BitBlt(DC, i, Form.Height - i, Form.Width - i, i, FCommonData.FCacheBmp.Canvas.Handle, i, Form.Height - i, SRCCOPY); // Bottom border update
BitBlt(DC, FCommonData.FCacheBmp.Width - i, i, i, FCommonData.FCacheBmp.Height, FCommonData.FCacheBmp.Canvas.Handle, FCommonData.FCacheBmp.Width - i, i, SRCCOPY); // Right border update
end
else PaintCaption(DC);
end;
MoveWindowOrg(DC, OffsetX, OffsetY);
GetClientRect(Form.Handle, cR);
IntersectClipRect(DC, 0, 0, WidthOf(cR), HeightOf(cR));

if SkinData.CtrlSkinState and ACS_FAST <> ACS_FAST then PaintForm(DC) else begin
SavedDC := SaveDC(DC);
ExcludeControls(DC, Form, actGraphic, 0, 0);
PaintForm(DC);
RestoreDC(DC, SavedDC);
if (Form.FormStyle <> fsMDIForm) then PaintControls(DC, Form, True, Point(0, 0));
end;

if Form.FormStyle = fsMDIForm then SendMessage(Form.ClientHandle, WM_PRINT, longint(DC), 0);

if Assigned(Form.OnPaint) then begin
Form.Canvas.Handle := DC;
Form.OnPaint(Form);
Form.Canvas.Handle := 0;
end;
end;
WM_PRINTCLIENT : ;
CM_INVALIDATE, 147, 45132, 48205 : Message.Result := 0;
WM_STYLECHANGED : begin
OldWndProc(Message);
end;
WM_NCPAINT : if DrawNonClientArea and not (InAnimationProcess and (Form.FormStyle = fsMDIChild){liondev}) then begin
if IsIconic(Form.Handle) then FCommonData.BGChanged := True;
if fAnimating or not Form.Showing or (csLoading in ComponentState) or (SystemMenu = nil{not initialized}) then Exit;

{ if AeroIsEnabled and (Tag = -97) then begin // If WM_PAINT was not performed (when TsSkinProvider wasn't placed before form showing)
Tag := 0;
if Assigned(Adapter) then Adapter.AddAllItems else AdapterCreate;
InvalidateRect(Form.Handle, nil, True);
RedrawWindow(Form.Handle, nil, 0, RDW_ALLCHILDREN or RDW_ERASE or RDW_INVALIDATE or RDW_UPDATENOW);
end;}

AC_WMNCPaint;
Message.Result := 0;
end
else OldWndProc(Message);
WM_ERASEBKGND : if Form.Showing then begin
if not (csPaintCopy in Form.ControlState) then begin
if not IsCached(FCommonData) or ((Form.FormStyle = fsMDIForm) and (Form.ActiveMDIChild <> nil) and (Form.ActiveMDIChild.WindowState = wsMaximized)) then begin
if (Form.FormStyle = fsMDIChild) and (FCommonData.FCacheBmp <> nil) then begin
GetClientRect(TsSkinProvider(MDISkinProvider).Form.Handle, cR);
if (PtInRect(cR, Form.BoundsRect.TopLeft) and PtInRect(cR, Form.BoundsRect.BottomRight)) then begin
FCommonData.FCacheBmp.Height := min(FCommonData.FCacheBmp.Height, CaptionHeight + SysBorderHeight + LinesCount * MenuHeight + 1);
FCommonData.BGChanged := True;
end
end;
if not AeroIsEnabled then AC_WMEraseBkGnd(TWMPaint(Message).DC) else begin
if (GetClipBox(TWMPaint(Message).DC, cR) = NULLREGION) or (WidthOf(cR) = 0) or (HeightOf(cR) = 0) then begin
DC := GetDC(Form.Handle);
end
else DC := TWMPaint(Message).DC;
AC_WMEraseBkGnd(DC);
end;
if MDICreating then begin
MDICreating := False;
if Form.FormStyle = fsMDIChild then begin
ChildProvider := Self;
end;
end;
{ if not FCommonData.FUpdating then begin
// If have child control with Align = clClient // If client area is not visible // v6.12
if (GetClipBox(TWMPaint(Message).DC, cR) = NULLREGION) or (WidthOf(cR) = 0) or (HeightOf(cR) = 0) then begin
SetParentUpdated(Form);
Exit;
end;
end}
end
else begin
if not FCommonData.FUpdating then begin
// If have child control with Align = clClient // If client area is not visible // v6.12
if (GetClipBox(TWMPaint(Message).DC, cR) = NULLREGION) or (WidthOf(cR) = 0) or (HeightOf(cR) = 0) then begin
SetParentUpdated(Form);
Exit;
end;
end
end;
end
else if (Message.LParam <> 0) and (Message.LParam = Message.WParam) then begin // From PaintTo proc // DevEx
if not FCommonData.BGChanged then begin
if IsCached(FCommonData)
then CopyWinControlCache(Form, FCommonData, Rect(SysBorderWidth + Form.BorderWidth, OffsetY, 0, 0), Rect(0, 0, Form.Width, Form.Height), TWMPaint(Message).DC, False)
else FillDC(TWMPaint(Message).DC, Rect(0, 0, Form.Width, Form.Height), GetControlColor(Form.Handle));
end;
end;
Message.Result := 1;
{$IFDEF CHECKXP}
// if UseThemes and ThemeServices.ThemesEnabled {and StdBgIsUsed} and not InAnimationProcess then OldWndProc(Message) // Draw BG for controls with ParentBackground if exists
{$ENDIF}
end
else OldWndProc(Message);
WM_PAINT : begin
if not DwmInitialized then begin
DwmInitialized := True;
UseDwm(Form.Handle, SkinData.Skinned);
end;
if IsCached(FCommonData) {!!!and not AeroIsEnabled} then begin
if Form.Showing then begin
OurPaintHandler(TWMPaint(Message));
if MDICreating then begin
MDICreating := False;
if Form.FormStyle = fsMDIChild then begin
SendMessage(Form.Handle, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
// Form.WindowState := wsMaximized;
end;
end;
if (Form.FormStyle = fsMDIForm) then begin
if TWMPaint(Message).DC = 0 then TWMPaint(Message).DC := GetDC(Form.Handle);
PaintControls(TWMPaint(Message).DC, Form, True, Point(0, 0));
end;
Message.Result := 0;
end
else{$IFDEF DELPHI7UP} if Form.AlphaBlend then {$ENDIF}OldWndProc(Message);
end
else begin
if Form.Showing then begin
{ if not (csDestroying in ComponentState) and AeroInvalidate then begin // Background update in desight-time
AeroInvalidate := False;
InvalidateRect(Form.Handle, nil, True); // Background update (for repaint of graphic controls)
end;}
BeginPaint(Form.Handle, PS);
EndPaint(Form.Handle, PS);
Message.Result := 0;
end
else OldWndProc(Message);
end;
if not InAnimationProcess and Assigned(Form.OnPaint) then Form.OnPaint(Form);
end;
{$IFNDEF ALITE}
{$IFDEF D2005}
CM_RECREATEWND : if acTaskBarChanging then Exit;
{$ENDIF}
{$ENDIF}
WM_NCACTIVATE : if not (csDestroying in ComponentState) then begin
FormActive := TWMNCActivate(Message).Active;
if not FormActive and (ShowAction = saMaximize) then begin // <<<<< Caption blinking removing
ShowAction := saIgnore;
end
else if not (ShowAction = saMaximize) then begin
FCommonData.BGChanged := True;
FCommonData.Updating := False;
end
else FCommonData.Updating := True; // >>>>> Caption blinking removing

if Form.Showing then begin
if FormActive <> (TWMActivate(Message).Active <> WA_INACTIVE) then FCommonData.BGChanged := True;
if AeroIsEnabled then begin
AFlags := GetWindowLong(Form.Handle, GWL_STYLE);
SetWindowLong(Form.Handle, GWL_STYLE, AFlags and not WS_VISIBLE);
if fAnimating
then SendMessage(Form.Handle, WM_SETREDRAW, 0, 0)
end
else begin
if fAnimating
then SendMessage(Form.Handle, WM_SETREDRAW, 0, 0)
else MakeCaptForm(Self);
end;

OldWndProc(Message);

if AeroIsEnabled then begin
if fAnimating
then SendMessage(Form.Handle, WM_SETREDRAW, 1, 0);
SetWindowLong(Form.Handle, GWL_STYLE, AFlags);
end
else begin
if fAnimating
then SendMessage(Form.Handle, WM_SETREDRAW, 1, 0)
else KillCaptForm(Self);
end;
end
else OldWndProc(Message);
if Assigned(Form) and (Form.Visible) and (Form.FormStyle = fsMDIChild) and (fsCreatedMDIChild in Form.FormState) and
(fsshowing in Form.FormState) and Assigned(MDISkinProvider) and Assigned(TsSkinProvider(MDISkinProvider).MDIForm) then begin

if SystemMenu = nil then PrepareForm; // If not intitialized (occurs when Scaled = False)
TsSkinProvider(MDISkinProvider).FCommonData.BGChanged := True;
TsSkinProvider(MDISkinProvider).FLinesCount := -1;
TsMDIForm(TsSkinProvider(MDISkinProvider).MDIForm).UpdateMDIIconItem;

SendMessage(TsSkinProvider(MDISkinProvider).Form.Handle, WM_NCPAINT, 0, 0);
SendMessage(TsSkinProvider(MDISkinProvider).Form.ClientHandle, WM_NCPAINT, 0, 0);
end;
if GetWindowLong(Form.Handle, GWL_EXSTYLE) and $00080000 = $00080000
then SendMessage(Form.Handle, WM_NCPAINT, 0, 0); // WS_EX_LAYERED

if (csCreating in Form.ControlState) then Exit;

if HaveBorder(Self) then begin
if MDIButtonsNeeded then begin
if (TWMActivate(Message).Active <> WA_INACTIVE) or (Form.ActiveMDIChild.Active) then begin
FormActive := (TWMActivate(Message).Active <> WA_INACTIVE) or (Form.ActiveMDIChild.Active);
FLinesCount := -1;
end;
end
else if FormActive <> (TWMActivate(Message).Active <> WA_INACTIVE) then begin
FormActive := (TWMActivate(Message).Active <> WA_INACTIVE);
FLinesCount := -1;
end;
end;

// if Form.FormStyle = fsMDIChild then begin// System default proc calling enables blinking
SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
// end;

if not (csDesigning in SkinData.SkinManager.ComponentState) then InitMenuItems(SkinData.Skinned); // Update after skinning in run-time
if not MenusInitialized then begin
if UpdateMenu then MenusInitialized := True;
end;
if FCommonData.Skinned and (Adapter = nil) then AdapterCreate;
{ if IsIconic(Form.Handle) and not AeroIsEnabled then begin // Aero
// if IsIconic(Form.Handle) then begin
FCommonData.BGChanged := True;
SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
end;}
// if IsCached(FCommonData) and not FCommonData.BGChanged then SetParentUpdated(Form); // Updating of frames which are not refreshed
end
else OldWndProc(Message);
WM_MDICREATE : begin
OldWndProc(Message);
{
if (Form.FormStyle = fsMDIForm) then begin
for i := 0 to Form.MDIChildCount - 1 do
if not GetBoolMsg(Form.MDIChildren[i].Handle, AC_CTRLHANDLED)
then AddSupportedForm(Form.MDIChildren[i].Handle);
end;
}
end;
WM_MDIACTIVATE, WM_MDIDESTROY : begin
OldWndProc(Message);
if (Form.FormStyle = fsMDIChild) and (Form.WindowState <> wsMaximized) and Assigned(MDISkinProvider)
and not (csDestroying in TsSkinProvider(MDISkinProvider).ComponentState) then begin
MenusInitialized := False;
TsSkinProvider(MDISkinProvider).Menuchanged := True;
TsSkinProvider(MDISkinProvider).SkinData.BGChanged := True;
TsSkinProvider(MDISkinProvider).FLinesCount := -1;
SendMessage(TsSkinProvider(MDISkinProvider).Form.Handle, WM_NCPAINT, 0, 0);
end;
ChildProvider := Self;
end;
WM_ACTIVATE : if Form.Showing then begin
{if AeroIsEnabled then begin
AFlags := GetWindowLong(Form.Handle, GWL_STYLE);
SetWindowLong(Form.Handle, GWL_STYLE, AFlags and not WS_VISIBLE);
end;v6.21}
OldWndProc(Message);
if (ListSW = nil) and FDrawNonClientArea then RefreshFormScrolls(Self, ListSW, False);
// if AeroIsEnabled then SetWindowLong(Form.Handle, GWL_STYLE, AFlags or WS_VISIBLE);
if not (csCreating in Form.ControlState) then begin
FLinesCount := -1;
if Form.FormStyle = fsMDIChild then begin// !! System calling enables blinking
for i := 0 to TsSkinProvider(MDISkinProvider).Form.MDIChildCount - 1 do begin
if (TsSkinProvider(MDISkinProvider).Form.MDIChildren[i] <> Form) and (TsSkinProvider(MDISkinProvider).Form.MDIChildren[i].Visible)
then SendMessage(TsSkinProvider(MDISkinProvider).Form.MDIChildren[i].Handle, WM_NCPAINT, 0, 0);
end;
TsSkinProvider(MDISkinProvider).FCommonData.BGChanged := True;
end;
if not (csDesigning in SkinData.SkinManager.ComponentState) then InitMenuItems(SkinData.Skinned); // Update after skinning in run-time
if Assigned(SystemMenu) then SystemMenu.UpdateItems;
if (Form.BorderStyle = bsNone) then SetParentUpdated(Form);
end;
end else OldWndProc(Message);
CM_VISIBLECHANGED : begin
OldWndProc(Message);
if (Message.WParam = 0) then begin
if Assigned(SkinData) and Assigned(SkinData.FCacheBmp) and not (csDestroying in Form.ComponentState) then begin
SkinData.FCacheBmp.Width := 0;
SkinData.FCacheBmp.Height := 0;
end;
end
else begin
if Form.Parent <> nil then SetParentUpdated(Form); // Updating of controls which are not refreshed
end;
end;
WM_NCLBUTTONDBLCLK : begin
if (ResizeMode = rmBorder) and bInProcess then begin // MarkB
p := Form.ClientToScreen(Point(TWMMouse(Message).XPos, TWMMouse(Message).YPos));
StopMove(p.x, p.y);
ReleaseCapture;
bInProcess := False;
end;
DoStartMove := False;
case TWMNCHitMessage(Message).HitTest of
HTSYSMENU : begin Form.Close; end;
HTCAPTION : begin
if SystemMenu.VisibleClose and (SystemMenu.EnabledMax or SystemMenu.EnabledRestore) or not HaveBorder(Self) and IsIconic(Form.Handle) then begin
if (Form.WindowState = wsMaximized) or IsIconic(Form.Handle) then begin
SendMessage(Form.Handle, WM_SYSCOMMAND, SC_RESTORE, 0);
end
else begin
SendMessage(Form.Handle, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
end;
SystemMenu.UpdateItems;
end;
TWMNCHitMessage(Message).HitTest := 0;
end;
end;
end;
WM_MEASUREITEM : begin
if (Form.FormStyle = fsMDIForm) {and not (csDesigning in ComponentState)} and (MDISkinProvider = Self) then begin
MDISkinProvider := Self;
end;
if not (Form.FormStyle = fsMDIChild) and Assigned(Form.Menu) and Assigned(SkinData.SkinManager) and (PMeasureItemStruct(Message.LParam)^.CtlType = ODT_MENU) then begin
mi := Form.Menu.FindItem(PMeasureItemStruct(Message.LParam)^.itemID, fkCommand);
if mi <> nil then SkinData.SkinManager.SkinableMenus.InitItem(mi, True);
end;
OldWndProc(Message);
end;
WM_SYSCOMMAND : begin
if Message.WParamLo = $F012 then Form.Repaint; // Faster switching between a forms (avoid of system delay)
if (ResizeMode = rmBorder) and not bInProcess then begin // MarkB
if ($FFF0 and Message.WParam = SC_MOVE) then begin // Move section
SetCapture(Form.handle);
bCapture := True; bMode := True;
end
else if ($FFF0 and Message.WParam = SC_SIZE) then begin // Size section
SetCapture(Form.handle);
nDirection := 0;
bCapture := True; bMode := False;
end;
end;

case Form.FormStyle of
fsMDIChild : begin
UpdateClient := (Form.WindowState = wsMaximized) and (Message.WParam <> SC_MAXIMIZE) and (Form.WindowState <> wsNormal);
if UpdateClient then TsSkinProvider(MDISkinProvider).FCommonData.BeginUpdate; // Speed rising
case $FFF0 and Message.WParam of
SC_CLOSE : begin

if (MDISkinProvider <> nil) and Assigned(TsSkinProvider(MDISkinProvider).MDIForm) then begin
if UpdateClient then UpdateMainForm;
end; // If CloseQuery used then must be repainted before

TsSkinProvider(MDISkinProvider).InMenu := True;
OldWndProc(Message);
SetHotHT(0, False);
TsSkinProvider(MDISkinProvider).InMenu := False;

if (MDISkinProvider <> nil) and Assigned(TsSkinProvider(MDISkinProvider).MDIForm) then if UpdateClient then UpdateMainForm;
Exit;
end;
SC_KEYMENU : ;
SC_RESTORE : begin
if Form.WindowState = wsMinimized then UpdateClient := True;
if MDICreating then Exit;
ForbidDrawing(Self, True);
OldWndProc(Message);
SkinData.BGChanged := True;

SetWindowLong(Form.Handle, GWL_STYLE, GetWindowLong(Form.Handle, GWL_STYLE) and not WS_SYSMENU); // v5.03
PermitDrawing(Self, True);
RedrawWindow(Form.Handle, nil, 0, RDW_FRAME or RDW_ERASE or RDW_INVALIDATE or RDW_UPDATENOW);

// Updating of childs
for i := 0 to TsSkinProvider(MDISkinProvider).Form.MDIChildCount - 1 do if TsSkinProvider(MDISkinProvider).Form.MDIChildren[i] <> Form then begin
if TsSkinProvider(MDISkinProvider).Form.MDIChildren[i].WindowState = wsMaximized then TsSkinProvider(MDISkinProvider).Form.MDIChildren[i].WindowState := wsNormal;
RedrawWindow(TsSkinProvider(MDISkinProvider).Form.MDIChildren[i].Handle, nil, 0, RDW_FRAME or RDW_INTERNALPAINT or RDW_ERASE or RDW_UPDATENOW);
end;
if UpdateClient then UpdateMainForm;
SystemMenu.UpdateItems(True);
Exit;
end;
SC_MINIMIZE : begin
OldWndProc(Message);
if UpdateClient then UpdateMainForm;
SystemMenu.UpdateItems(True);
FreeAndNil(TitleBG);
FCommonData.BGChanged := True;
UpdateMainForm;
Exit;
end;
SC_MAXIMIZE : begin
ChildProvider := Self;
ForbidDrawing(Self, True);
OldWndProc(Message);
PermitDrawing(Self, True);
RedrawWindow(Form.Handle, nil, 0, RDW_FRAME or RDW_INTERNALPAINT or RDW_ERASE or RDW_UPDATENOW);

if Assigned(TsSkinProvider(MDISkinProvider).MDIForm) then UpdateMainForm;
SystemMenu.UpdateItems(True);
Exit;
end
else OldWndProc(Message);
end;
if MDISkinProvider <> nil then TsSkinProvider(MDISkinProvider).FCommonData.EndUpdate;
end;
fsMDIForm : begin
OldWndProc(Message);
case Message.WParam of
SC_MAXIMIZE, SC_RESTORE, SC_MINIMIZE : begin
TsSkinProvider(MDISkinProvider).FCommonData.BGChanged := True;
TsSkinProvider(MDISkinProvider).FLinesCount := -1;
SendMessage(TsSkinProvider(MDISkinProvider).Form.Handle, WM_NCPAINT, 0, 0);
end;
end;
end
else begin
OldWndProc(Message);
case Message.WParam of
SC_KEYMENU : if (TWMSysCommand(Message).Key = VK_SPACE) and SystemMenu.VisibleClose{(bisystemMenu in Form.BorderIcons)} and HaveBorder(Self)
then DropSysMenu(FormLeftTop.x + SysBorderWidth, FormLeftTop.y + BorderHeight + HeightOf(IconRect));
SC_MAXIMIZE, SC_RESTORE : begin
if SystemMenu.VisibleMax then CurrentHT := HTMAXBUTTON;
SetHotHT(0);
if (Message.WParam = SC_RESTORE) then begin
if not HaveBorder(Self) then begin
FCommonData.BGChanged := True;
RegionChanged := True;
SetWindowRgn(Form.Handle, 0, True);
end
else begin
FCommonData.BGChanged := True;
RegionChanged := True;
RedrawWindow(Form.Handle, nil, 0, RDW_FRAME or RDW_INVALIDATE);
end
end;
end;
SC_MINIMIZE : if Assigned(FCommonData.FCacheBmp) then begin
FCommonData.FCacheBmp.Width := 0;
FCommonData.FCacheBmp.Height := 0;
// if (Application.MainForm = Form) then Application.Minimize; v6.10
end;
end;
end;
end;
end;
WM_WINDOWPOSCHANGING : begin
if not RgnChanging then begin
if not (wsMaximized = Form.WindowState) and FScreenSnap and ((TWMWindowPosChanging(Message).WindowPos^.X <> 0) or (TWMWindowPosChanging(Message).WindowPos^.Y <> 0)) then begin
with TWMWindowPosChanging(Message).WindowPos^ do begin
{$IFDEF DELPHI6UP}
HandleEdge(x, Form.Monitor.WorkareaRect.Right, FSnapBuffer, Form.Width);
HandleEdge(y, Form.Monitor.WorkareaRect.Bottom, FSnapBuffer, Form.Height);
HandleEdge(x, Form.Monitor.WorkareaRect.Left, FSnapBuffer, 0);
HandleEdge(y, Form.Monitor.WorkareaRect.Top, FSnapBuffer, 0);
{$ELSE}
HandleEdge(x, WorkRect.Right, FSnapBuffer, Form.Width);
HandleEdge(y, WorkRect.Bottom, FSnapBuffer, Form.Height);
HandleEdge(x, WorkRect.Left, FSnapBuffer, Form.Monitor.Left);
HandleEdge(y, WorkRect.Top, FSnapBuffer, Form.Monitor.Top);
{$ENDIF}
end;
end;
OldWndProc(Message);
end;
end;
CM_COLORCHANGED : if SkinData.CustomColor then begin
if not (csCreating in Form.ControlState) then FCommonData.BGChanged := True;
OldWndProc(Message);
end;
WM_CREATE : begin
if Assigned(TitleBG) then FreeAndNil(TitleBG);

if (Form.FormStyle = fsMDIChild) and (MDISkinProvider = nil) then AddSupportedForm(Application.MainForm.Handle);

if (Form.FormStyle = fsMDIChild) and
((TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild) <> nil) and
(TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild.WindowState = wsMaximized) then begin
MDICreating := True;
end else MDICreating := False;
OldWndProc(Message);
if (Form.FormStyle <> fsMDIChild) then PrepareForm; // Problem with MDI menu solving
end;
WM_PARENTNOTIFY : if not (csLoading in ComponentState) and not (csLoading in Form.ComponentState) and ((Message.WParam and $FFFF = WM_CREATE) or (Message.WParam and $FFFF = WM_DESTROY)) then begin
OldWndProc(Message);
if Assigned(Adapter) and (Message.WParamLo = WM_CREATE) then Adapter.AddAllItems;
acM := MakeMessage(SM_ALPHACMD, MakeWParam(0, AC_GETSKINSTATE), 1, 0);
AlphaBroadCast(Form, acM);
if FDrawNonClientArea
then UpdateScrolls(ListSW, True);
end
else OldWndProc(Message);
WM_NOTIFY : begin
OldWndProc(Message);
case TWMNotify(Message).NMHdr^.code of
TCN_SELCHANGE : if Adapter <> nil then Adapter.AddAllItems;
end;
end;
CM_CONTROLLISTCHANGE : begin
if (TCMControlListChange(Message).Control <> nil) then begin
OldWndProc(Message);
if (TCMControlListChange(Message).Control is TWinControl) then begin
if Adapter <> nil then Adapter.AddNewItem(TWinControl(TCMControlListChange(Message).Control));
acM := MakeMessage(SM_ALPHACMD, MakeWParam(0, AC_GETSKINSTATE), 1, 0);
AlphaBroadCast(TWinControl(TCMControlListChange(Message).Control), acM);
end;
TCMControlListChange(Message).Control.Perform(SM_ALPHACMD, MakeWParam(0, AC_GETSKINSTATE), 1);
end
else OldWndProc(Message);
end
else OldWndProc(Message);
end;
end;
end;

procedure TsSkinProvider.PaintBorderIcons;
var
i, b, index, mi, Offset, x, y : integer;
CI : TCacheInfo;
procedure PaintButton(var Btn : TsCaptionButton; var Index : integer; SkinIndex : integer; BtnEnabled : boolean; UserBtn : TsTitleButton = nil);
var
w : integer;
begin
if UserBtn = nil then w := SysButtonWidth(Btn) else w := UserButtonWidth(UserBtn);
Btn.Rect.Left := Btn.Rect.Right - w;
if Btn.HaveAlignment then begin // If not user button and not small
case FCommonData.SkinManager.SkinData.BIVAlign of
-1, 0 : begin // Center vert layout
Btn.Rect.Top := (CaptionHeight - ButtonHeight + SysBorderHeight) div 2;
if ButtonHeight < 16 then inc(Btn.Rect.Top, 2);
Btn.Rect.Bottom := Btn.Rect.Top + ButtonHeight;
end;
1 : begin // Top layout
Btn.Rect.Top := iffi(Form.WindowState = wsMaximized, SysBorderHeight - 1, 0);
Btn.Rect.Bottom := Btn.Rect.Top + ButtonHeight;
end;
end;
end
else begin
Btn.Rect.Top := (CaptionHeight - ButtonHeight + SysBorderHeight) div 2;
if BigButtons(Self) and (ButtonHeight < 16) then inc(Btn.Rect.Top, 2);
Btn.Rect.Bottom := Btn.Rect.Top + ButtonHeight;
end;

if SkinIndex > -1 then DrawSkinGlyph(FCommonData.FCacheBmp, Point(Btn.Rect.Left, Btn.Rect.Top),
Btn.State, 1 + integer(not FormActive or not BtnEnabled), FCommonData.SkinManager.ma[SkinIndex], MakeCacheInfo(SkinData.FCacheBmp));
inc(Index);
end;
begin
if not HaveBorder(Self) then Exit;
b := 1;
Offset := CaptionWidth - SysBorderWidth - integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing - FCommonData.SkinManager.SkinData.BIRightMargin;
RestoreBtnsBG;
if SystemMenu.VisibleClose then begin // Accommodation of a buttons in a special order...
if FCommonData.SkinManager.IsValidImgIndex(ButtonClose.ImageIndex) then begin
ButtonClose.Rect.Right := Offset;
PaintButton(ButtonClose, b, ButtonClose.ImageIndex, True);
Offset := ButtonClose.Rect.Left - integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing;
end;
if SystemMenu.VisibleMax then begin
if Form.WindowState <> wsMaximized then begin
if FCommonData.SkinManager.IsValidImgIndex(ButtonMax.ImageIndex) then begin
ButtonMax.Rect.Right := Offset;
PaintButton(ButtonMax, b, ButtonMax.ImageIndex, SystemMenu.EnabledMax);
Offset := ButtonMax.Rect.Left - integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing;
end;
end
else begin
i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGLobalInfo, s_GlobalInfo, s_BorderIconNormalize);
if i < 0 then i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, FCommonData.SkinSection, s_BorderIconNormalize); // For compatibility
if i > -1 then begin
ButtonMax.Rect.Right := Offset;
PaintButton(ButtonMax, b, i, SystemMenu.EnabledRestore);
Offset := ButtonMax.Rect.Left - integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing;
end;
end;
end;
if SystemMenu.VisibleMin then begin
if Form.WindowState = wsMinimized then begin // If form is minimized then changing to Normalize
i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGLobalInfo, s_GlobalInfo, s_BorderIconNormalize);
if i < 0 then i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, FCommonData.SkinSection, s_BorderIconNormalize);
if FCommonData.SkinManager.IsValidImgIndex(i) then begin
ButtonMin.Rect.Right := Offset;
PaintButton(ButtonMin, b, i, SystemMenu.EnabledRestore); // For compatibility
Offset := ButtonMin.Rect.Left - integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing;
end;
end
else begin
if FCommonData.SkinManager.IsValidImgIndex(ButtonMin.ImageIndex) then begin
ButtonMin.Rect.Right := Offset;
PaintButton(ButtonMin, b, ButtonMin.ImageIndex, SystemMenu.EnabledMin);
Offset := ButtonMin.Rect.Left - integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing;
end;
end;
end;
if biHelp in Form.BorderIcons then begin
if FCommonData.SkinManager.IsValidImgIndex(ButtonHelp.ImageIndex) then begin
ButtonHelp.Rect.Right := Offset;
PaintButton(ButtonHelp, b, ButtonHelp.Imageindex, True);
Offset := ButtonHelp.Rect.Left - integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing;
end;
end;
end;

if TitleButtons.Count > 0 then begin
mi := UserBtnIndex;
Offset := Offset - UserButtonsOffset;
for index := 0 to TitleButtons.Count - 1 do begin
if TitleButtons.Items[index].UseSkinData and FCommonData.SkinManager.IsValidImgIndex(mi) then begin
TitleButtons.Items[index].BtnData.ImageIndex := mi;
TitleButtons.Items[index].BtnData.Rect.Right := Offset;
PaintButton(TitleButtons.Items[index].BtnData, b, mi, TitleButtons.Items[index].Enabled, TitleButtons.Items[index]);
Offset := TitleButtons.Items[index].BtnData.Rect.Left - integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing;
end
else begin
TitleButtons.Items[index].BtnData.ImageIndex := -1;
TitleButtons.Items[index].BtnData.Rect.Right := Offset;
PaintButton(TitleButtons.Items[index].BtnData, b, -1, TitleButtons.Items[index].Enabled, TitleButtons.Items[index]);
Offset := TitleButtons.Items[index].BtnData.Rect.Left - integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing;
end;
if Assigned(TitleButtons.Items[index].Glyph) then begin
if TitleButtons.Items[index].Glyph.PixelFormat = pf32bit then begin
x := TitleButtons.Items[index].BtnData.Rect.Left + (UserButtonWidth(TitleButtons.Items[index]) - TitleButtons.Items[index].Glyph.Width) div 2;
y := TitleButtons.Items[index].BtnData.Rect.Top + (ButtonHeight - TitleButtons.Items[index].Glyph.Height) div 2;
CI := MakeCacheInfo(FCommonData.FCacheBmp, x, y);
CopyByMask(Rect(x, y, x + TitleButtons.Items[index].Glyph.Width, y + TitleButtons.Items[index].Glyph.Height),
Rect(0, 0, TitleButtons.Items[index].Glyph.Width, TitleButtons.Items[index].Glyph.Height),
FCommonData.FCacheBmp,
TitleButtons.Items[index].Glyph,
CI, True);
end
else begin
TitleButtons.Items[index].Glyph.PixelFormat := pf24bit;
CopyTransBitmaps(FCommonData.FCacheBmp, TitleButtons.Items[index].Glyph,
TitleButtons.Items[index].BtnData.Rect.Left + (UserButtonWidth(TitleButtons.Items[index]) - TitleButtons.Items[index].Glyph.Width) div 2,
TitleButtons.Items[index].BtnData.Rect.Top + (ButtonHeight - TitleButtons.Items[index].Glyph.Height) div 2,
ColorToSColor(TitleButtons.Items[index].Glyph.Canvas.Pixels[0, TitleButtons.Items[index].Glyph.Height - 1]));
end;
end;
end;
end;

// Drawing of MDI child buttons if maximized
if MDIButtonsNeeded then begin
if FCommonData.SkinManager.IsValidImgIndex(MDIMin.ImageIndex) then begin
MDIMin.Rect := Bounds(
CaptionWidth - SysBorderWidth - 3 * (SmallButtonWidth + 1),
HeaderHeight - (MenuHeight - SmallButtonHeight) div 2 - SmallButtonHeight - 1,
SmallButtonWidth, SmallButtonHeight
);

DrawSkinGlyph(FCommonData.FCacheBmp, Point(MDIMin.Rect.Left, MDIMin.Rect.Top),
MDIMin.State, 1 + integer(not FormActive or not ChildProvider.SystemMenu.EnabledMin), FCommonData.SkinManager.ma[MDIMin.ImageIndex], MakeCacheInfo(SkinData.FCacheBmp));
end;
if Assigned(TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild) and // Drawing of norm. button when maximized
(TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild.WindowState <> wsMaximized) then begin
i := MDIMax.ImageIndex
end
else begin
i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGlobalInfo, s_GlobalInfo, s_SmallIconNormalize);
if i < 0 then i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, s_GlobalInfo, s_BorderIconNormalize);
end;
MDIMax.Rect := Bounds(
Form.Width - SysBorderWidth - 2 * (SmallButtonWidth + 1),
HeaderHeight - (MenuHeight - SmallButtonHeight) div 2 - SmallButtonHeight - 1,
SmallButtonWidth, SmallButtonHeight
);
if FCommonData.SkinManager.IsValidImgIndex(i) then begin
DrawSkinGlyph(FCommonData.FCacheBmp, Point(MDIMax.Rect.Left, MDIMax.Rect.Top),
MDIMax.State, 1 + integer(not FormActive or not ChildProvider.SystemMenu.EnabledRestore), FCommonData.SkinManager.ma[i], MakeCacheInfo(SkinData.FCacheBmp));
end;
if FCommonData.SkinManager.IsValidImgIndex(MDIClose.ImageIndex) then begin
MDIClose.Rect := Bounds(Form.Width - SysBorderWidth - SmallButtonWidth - 1,
HeaderHeight - (MenuHeight - SmallButtonHeight) div 2 - SmallButtonHeight - 1,
SmallButtonWidth, SmallButtonHeight);

DrawSkinGlyph(FCommonData.FCacheBmp, Point(MDIClose.Rect.Left, MDIClose.Rect.Top),
MDIClose.State, 1 + integer(not FormActive), FCommonData.SkinManager.ma[MDIClose.ImageIndex], MakeCacheInfo(SkinData.FCacheBmp));
end;
end;
end;

procedure TsSkinProvider.PaintCaption(DC : hdc);
var
h, hmnu : integer;
begin
h := SysBorderHeight + CaptionHeight;
if IsIconic(Form.Handle) then inc(h);
if FCommonData.BGChanged or not IsCached(FCommonData) then begin
if MenuChanged or IsBorderUnchanged(FCommonData.BorderIndex, FCommonData.SkinManager) or (TitleBG = nil) or (TitleBG.Width <> CaptionWidth) or (FCommonData.FCacheBmp.Height <> Form.Height) or not HaveBorder(Self) then begin// if ready caption BG
ControlsChanged := not FirstInitialized;
end;
PaintAll;
FCommonData.BGChanged := False;
FCommonData.Updating := False;
end;
hmnu := integer(MenuPresent) * LinesCount * MenuHeight;

// Title and menu line update
BitBlt(DC, 0, 0, Form.Width, HeaderHeight, FCommonData.FCacheBmp.Canvas.Handle, 0, 0, SRCCOPY);
// FillDC(DC, Rect(0, 0, Form.Width, HeaderHeight), clYellow);
// Left border update
BitBlt(DC, 0, h + hmnu + TForm(Form).BorderWidth, SysBorderWidth + TForm(Form).BorderWidth, FCommonData.FCacheBmp.Height, FCommonData.FCacheBmp.Canvas.Handle, 0, h + hmnu + TForm(Form).BorderWidth, SRCCOPY);
// Bottom border update
BitBlt(DC, BorderWidth, Form.Height - BorderHeight, Form.Width - BorderWidth, BorderHeight,
FCommonData.FCacheBmp.Canvas.Handle,
SysBorderwidth + TForm(Form).BorderWidth,
Form.Height - SysBorderHeight - TForm(Form).BorderWidth, SRCCOPY);
// Right border update
BitBlt(DC, FCommonData.FCacheBmp.Width - SysBorderWidth - TForm(Form).BorderWidth, h + hmnu + TForm(Form).BorderWidth , SysBorderHeight + TForm(Form).BorderWidth, FCommonData.FCacheBmp.Height, FCommonData.FCacheBmp.Canvas.Handle, FCommonData.FCacheBmp.Width - SysBorderwidth - TForm(Form).BorderWidth, h + hmnu + TForm(Form).BorderWidth, SRCCOPY);
// if IsGripVisible(Self) then PaintGrip(DC, Self);
// v6.0 if Assigned(acMagnForm) then SendMessage(acMagnForm.Handle, SM_ALPHACMD, MakeWParam(0, AC_REFRESH), 0);
end;

procedure TsSkinProvider.PaintForm(DC : hdc; SendUpdated : boolean = True);
var
Changed : boolean;
i : integer;
SaveIndex : hdc;
TempBmp : TBitmap;
R : TRect;
begin
R := Form.ClientRect;
// if not FDrawNonClientArea then inc(R.Top, MenuHeight);
if SkinData.CtrlSkinState and ACS_FAST = ACS_FAST then begin
FillDC(DC, R, FormColor);
end
else begin
if FCommonData.GraphControl <> nil then begin
for i := 0 to Form.ControlCount - 1 do if Form.Controls[i] = FCommonData.GraphControl then begin
if csPaintCopy in Form.ControlState then Form.Controls[i].ControlState := Form.Controls[i].ControlState + [csPaintCopy];
SaveIndex := SaveDC(DC);
MoveWindowOrg(DC, Form.Controls[i].Left, Form.Controls[i].Top);
IntersectClipRect(DC, 0, 0, Form.Controls[i].Width, Form.Controls[i].Height);

if not (csOpaque in Form.Controls[i].ControlStyle) then begin
TempBmp := CreateBmp24(Form.Controls[i].Width, Form.Controls[i].Height);
BitBlt(TempBmp.Canvas.Handle, 0, 0, Form.Controls[i].Width, Form.Controls[i].Height, SkinData.FCacheBmp.Canvas.Handle, Form.Controls[i].Left + OffsetX, Form.Controls[i].Top + OffsetY, SRCCOPY);
Form.Controls[i].Perform(WM_PAINT, longint(TempBmp.Canvas.Handle), 0);
BitBlt(DC, 0, 0, Form.Controls[i].Width, Form.Controls[i].Height, TempBmp.Canvas.Handle, 0, 0, SRCCOPY);
FreeAndNil(TempBmp);
end
else Form.Controls[i].Perform(WM_PAINT, longint(DC), 0);

RestoreDC(DC, SaveIndex);
Form.Controls[i].ControlState := Form.Controls[i].ControlState - [csPaintCopy];
Break;
end;
Exit;
end;
Changed := FCommonData.BGChanged;
if not FCommonData.UrgentPainting
then PaintAll;
if (Form.FormStyle <> fsMDIForm) then begin
CopyWinControlCache(Form, FCommonData, Rect(SysBorderWidth + Form.BorderWidth, OffsetY, 0, 0), Rect(0, 0, Form.Width, Form.Height), DC, False);
PaintControls(DC, Form, ControlsChanged or Changed, Point(0, 0));
end;
if SendUpdated then begin
SetParentUpdated(Form);
SendToAdapter(MakeMessage(SM_ALPHACMD, MakeWParam(0, AC_ENDPARENTUPDATE), 0, 0));
end;
end;
ControlsChanged := False;
end;

procedure TsSkinProvider.SetHotHT(i: integer; Repaint : boolean = True);
begin
if not FDrawNonClientArea then Exit;
if HotItem.Item <> nil then begin
RepaintMenuItem(HotItem.Item, HotItem.R, []);
HotItem.Item := nil;
end;
if (CurrentHT = i) then Exit;
if (CurrentHT <> 0) then begin
case CurrentHT of
HTCLOSE : ButtonClose.State := 0;
HTMAXBUTTON : ButtonMax.State := 0;
HTMINBUTTON : ButtonMin.State := 0;
HTHELP : ButtonHelp.State := 0;
HTCHILDCLOSE : MDIClose.State := 0;
HTCHILDMAX : MDIMax.State := 0;
HTCHILDMIN : MDIMin.State := 0
else if BetWeen(CurrentHT, HTUDBTN, HTUDBTN + TitleButtons.Count - 1) then begin
TitleButtons.Items[CurrentHT - HTUDBTN].BtnData.State := 0;
end;
end;
if Repaint then RepaintButton(CurrentHT);
end;
CurrentHT := i;
case CurrentHT of
HTCLOSE : ButtonClose.State := 1;
HTMAXBUTTON : ButtonMax.State := 1;
HTMINBUTTON : ButtonMin.State := 1;
HTHELP : ButtonHelp.State := 1;
HTCHILDCLOSE : MDIClose.State := 1;
HTCHILDMAX : MDIMax.State := 1;
HTCHILDMIN : MDIMin.State := 1
else if BetWeen(CurrentHT, HTUDBTN, HTUDBTN + TitleButtons.Count - 1) then begin
TitleButtons.Items[CurrentHT - HTUDBTN].BtnData.State := 1;
end;
end;
biClicked := False;
if Repaint then RepaintButton(CurrentHT);
end;

procedure TsSkinProvider.SetPressedHT(i: integer);
begin
if (CurrentHT <> i) and (CurrentHT <> 0) then begin
case CurrentHT of
HTCLOSE : ButtonClose.State := 0;
HTMAXBUTTON : ButtonMax.State := 0;
HTMINBUTTON : ButtonMin.State := 0;
HTHELP : ButtonHelp.State := 0;
HTCHILDCLOSE : MDIClose.State := 0;
HTCHILDMAX : MDIMax.State := 0;
HTCHILDMIN : MDIMin.State := 0
else if BetWeen(CurrentHT, HTUDBTN, HTUDBTN + TitleButtons.Count - 1) then begin
TitleButtons.Items[CurrentHT - HTUDBTN].BtnData.State := 0;
end;
end;
RepaintButton(CurrentHT);
end;
CurrentHT := i;
case CurrentHT of
HTCLOSE : ButtonClose.State := 2;
HTMAXBUTTON : if SystemMenu.EnabledMax or ((Form.WindowState = wsMaximized) and SystemMenu.EnabledRestore) then ButtonMax.State := 2 else begin
CurrentHT := 0;
Exit;
end;
HTMINBUTTON : ButtonMin.State := 2;
HTHELP : ButtonHelp.State := 2;
HTCHILDCLOSE : MDIClose.State := 2;
HTCHILDMAX : if SystemMenu.EnabledMax then MDIMax.State := 2;
HTCHILDMIN : MDIMin.State := 2
else if BetWeen(CurrentHT, HTUDBTN, HTUDBTN + TitleButtons.Count - 1) then begin
TitleButtons.Items[CurrentHT - HTUDBTN].BtnData.State := 2;
end;
end;
biClicked := True;
RepaintButton(CurrentHT);
end;

type
TsHackedItem = class(TMenuItem)end;

procedure TsSkinProvider.PaintAll;
var
VisIndex, Index, i, CY : integer;
x, w, h, y : integer;
s : acString;
r, rForm, rC : TRect;
ci : TCacheInfo;
CurrentItem : TMenuItem;
ItemProcessed : integer;
ChangedIndex : integer;
Iconic : boolean;
SavedCanvas, SavedDC : hdc;
ts : TSize;
function ProcessMerged(CurrentIndex : integer) : boolean;
var
i, j, VisJ, w : integer;
LocalItem : TMenuItem;
begin
Result := False;
if Assigned(Form.ActiveMDIChild) and Assigned(Form.ActiveMDIChild.Menu) then begin
for i := ItemProcessed to Form.ActiveMDIChild.Menu.Items.Count - 1 do if Form.ActiveMDIChild.Menu.Items[i].Visible then begin
LocalItem := Form.ActiveMDIChild.Menu.Items[i];

// If MDI form and included other
if (LocalItem.GroupIndex > ChangedIndex) and (LocalItem.GroupIndex <= CurrentIndex) then begin

if not Assigned(LocalItem.OnMeasureItem) or not Assigned(LocalItem.OnAdvancedDrawItem) then Continue;

Result := (LocalItem.GroupIndex >= CurrentIndex);
ChangedIndex := LocalItem.GroupIndex;

j := i;
VisJ := j;
while (j < Form.ActiveMDIChild.Menu.Items.Count) do begin
LocalItem := Form.ActiveMDIChild.Menu.Items[j];
if (LocalItem.GroupIndex > CurrentIndex{v5.46}) and (Index <= Form.Menu.Items.Count - 1) then Exit;
GetMenuItemRect(Form.ActiveMDIChild.Handle, Form.ActiveMDIChild.Menu.Handle, VisJ, R);
w := WidthOf(R);
ChangedIndex := LocalItem.GroupIndex;

if x + w > Form.Width - 2 * SysBorderWidth - 2 * TForm(Form).BorderWidth then begin
x := SysBorderWidth;
inc(y, MenuHeight);
end;

r := Rect(x, y, x + w, y + MenuHeight);
LocalItem.OnAdvancedDrawItem(LocalItem, FCommonData.FCacheBmp.Canvas, R, []);
x := r.Right;
ItemProcessed := i + 1;
inc(j);
inc(VisIndex);
inc(VisJ);
end;
end;
end;
end;
end;
begin
if (csCreating in Form.ControlState) then Exit;
if FCommonData.FCacheBmp = nil then begin // If first loading
InitCacheBmp(FCommonData);
UpdateSkinState(FCommonData, False);
acM := MakeMessage(SM_ALPHACMD, MakeWParam(0, AC_GETSKINSTATE), 1, 0); // Initialization of all child states
if not (csLoading in Form.ComponentState)
then AlphaBroadCast(Form, acM);
end;
if (Form.FormStyle = fsMDIForm) and (Form.ActiveMDIChild <> nil) and (Form.ActiveMDIChild.WindowState = wsMaximized) then begin
if (fsShowing in Form.ActiveMDIChild.FormState) and MenuChanged then Exit;
end;
Iconic := IsIconic(Form.Handle);
CY := SysBorderHeight;
h := 2 * CY + CaptionHeight;
ItemProcessed := 0;
if Iconic
then rForm := Rect(0, 0, CaptionWidth, h - CY + 1)
else rForm := Rect(0, 0, CaptionWidth, Form.Height);
// if not IsCached(FCommonData) and (Form.Height <> FCommonData.FCacheBmp.Height) then FCommonData.BGChanged := True;
if FCommonData.BGChanged then begin
if not MenuChanged and IsBorderUnchanged(FCommonData.BorderIndex, FCommonData.SkinManager) and (TitleBG <> nil) and (TitleBG.Width = CaptionWidth) and (FCommonData.FCacheBmp.Height = Form.Height) and (CaptionHeight <> 0) then begin // if ready caption BG
// Drawn caption only
if FDrawNonClientArea then begin
ci := MakeCacheInfo(FCommonData.FCacheBmp);
BitBlt(FCommonData.FCacheBmp.Canvas.Handle, 0, 0, TitleBG.Width, TitleBG.Height, TitleBG.Canvas.Handle, 0, 0, SRCCOPY);
PrepareCaption(CI, Rect(0, 0, TitleBG.Width, TitleBG.Height));
end;
end
else begin
RgnChanged := True;
ci.Ready := False;
FCommonData.FCacheBmp.Width := CaptionWidth;
FCommonData.FCacheBmp.Height := Form.Height;
if FCommonData.SkinManager.IsValidSkinIndex(FCommonData.SkinIndex) then begin
// Paint body
if SkinData.CtrlSkinState and ACS_FAST <> ACS_FAST then begin
if {(CaptionHeight <> 0) or v5.50}HaveBorder(Self)
then PaintItem(FCommonData, EmptyCI, False, integer(FormActive), rForm, Point(0, 0), FCommonData.FCacheBmp, False)
else PaintItemBG(FCommonData.SkinIndex, FCommonData.SkinSection, EmptyCI, integer(FormActive), rForm, Point(0, 0), FCommonData.FCacheBmp, FCommonData.SkinManager);
end
else begin
FillDC(FCommonData.FCacheBmp.Canvas.Handle, Rect(0, 0, FCommonData.FCacheBmp.Width, CaptionHeight + BorderWidth + LinesCount * MenuHeight + 1), FormColor);
PaintBorderFast(FCommonData.FCacheBmp.Canvas.Handle, rForm, BorderWidth, FCommonData, integer(FormActive));
end;

if IsGripVisible(Self) and IsCached(FCommonData)then begin
FCommonData.BGChanged := False;
PaintGrip(FCommonData.FCacheBmp.Canvas.Handle, Self);
end;

if IsBorderUnchanged(FCommonData.BorderIndex, FCommonData.SkinManager) and ((TitleBG = nil) or (TitleBG.Width <> CaptionWidth)) then MakeTitleBG;
ci := MakeCacheInfo(FCommonData.FCacheBmp, OffsetX, OffsetY); // Prepare cache info
if (CaptionHeight <> 0) and FDrawNonClientArea then begin // Paint title
i := FCommonData.SkinManager.GetSkinIndex(TitleSkinSection);
if FCommonData.SkinManager.IsValidSkinIndex(i) then if Iconic
then PaintItem(i, TitleSkinSection, ci, True, integer(FormActive), Rect(0, 0, rForm.Right, rForm.Bottom), Point(0, 0), FCommonData.FCacheBmp, FCommonData.SkinManager)
else PaintItem(i, TitleSkinSection, ci, True, integer(FormActive), Rect(0, 0, rForm.Right, h - CY), Point(0, 0), FCommonData.FCacheBmp, FCommonData.SkinManager);
DrawAppIcon(Self); // Draw app icon
if (SysButtonsCount > 0) then begin // Paint title toolbar if exists
i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, FCommonData.SkinSection, s_NormalTitleBar);
if FCommonData.SkinManager.IsValidImgIndex(i)
then DrawSkinRect(FCommonData.FCacheBmp, Rect(CaptionWidth - BarWidth(i), 0, FCommonData.FCacheBmp.Width, h - CY),
True, EmptyCI, FCommonData.SkinManager.ma[i], integer(FormActive), True);
end;
end;

if (Form.Menu <> nil) and MenuPresent and (MenuHeight > 0) then begin // Menu line drawing
i := -1;
if FMenuLineSkin <> '' then i := FCommonData.SkinManager.GetSkinIndex(FMenuLineSkin);
if i < 0 then begin
i := FCommonData.SkinManager.GetSkinIndex(s_MenuLine); // Paint menu bar
if FCommonData.SkinManager.IsValidSkinIndex(i) then PaintItem(i, s_MenuLine, ci, True, integer(FormActive),
Rect(0, CaptionHeight + SysBorderHeight, FCommonData.FCacheBmp.Width, CaptionHeight + SysBorderHeight + LinesCount * MenuHeight),
Point(0, CaptionHeight + SysBorderHeight), FCommonData.FCacheBmp, FCommonData.SkinManager);
end
else begin
if FCommonData.SkinManager.IsValidSkinIndex(i) then PaintItem(i, FMenuLineSkin, ci, True, integer(FormActive),
Rect(0, CaptionHeight + SysBorderHeight, FCommonData.FCacheBmp.Width, CaptionHeight + SysBorderHeight + LinesCount * MenuHeight),
Point(0, CaptionHeight + SysBorderHeight), FCommonData.FCacheBmp, FCommonData.SkinManager);
end;
MenuLineBmp.Width := CaptionWidth; // Store bg for Menu line
MenuLineBmp.Height := LinesCount * MenuHeight;
BitBlt(MenuLineBmp.Canvas.Handle, 0, 0, MenuLineBmp.Width, MenuLineBmp.Height, FCommonData.FCacheBmp.Canvas.Handle, 0, SysBorderHeight + CaptionHeight{ + Form.BorderWidth}, SRCCOPY);
// Draw maximized child form system icon on menuline
if ChildIconPresent and (MDISkinProvider = Self) then begin
if Form.ActiveMDIChild.Icon.Handle <> 0
then DrawIconEx(FCommonData.FCacheBmp.Canvas.Handle, SysBorderWidth + 1, CaptionHeight + SysBorderHeight + 1, Form.ActiveMDIChild.Icon.Handle, MenuHeight - 2, MenuHeight - 2, 0, 0, di_Normal)
else if AppIcon <> nil
then DrawIconEx(FCommonData.FCacheBmp.Canvas.Handle, SysBorderWidth + 1, CaptionHeight + SysBorderHeight + 1, AppIcon.Handle, MenuHeight - 2, MenuHeight - 2, 0, 0, di_Normal)
else DrawIconEx(FCommonData.FCacheBmp.Canvas.Handle, SysBorderWidth + 1, CaptionHeight + SysBorderHeight + 1, LoadIcon(0, IDI_APPLICATION), MenuHeight - 2, MenuHeight - 2, 0, 0, di_Normal);
end;
/////// Painting of menu items ///////
x := SysBorderWidth;
y := SysBorderHeight + CaptionHeight;
ChangedIndex := -1;
Index := 0;
VisIndex := 0;

if AeroIsEnabled and (Form.Menu <> nil)
then FCommonData.SkinManager.SkinableMenus.InitMenuLine(Form.Menu, FDrawNonCLientArea);

while Index < Form.Menu.Items.Count do begin
if (x = SysBorderWidth) and (MDISkinProvider = Self) and ChildIconPresent then begin // Skip Item with child icon
GetMenuItemRect(Form.Handle, Form.Menu.Handle, 0, R);
inc(x, WidthOf(R));
inc(VisIndex);
Continue;
end;
CurrentItem := Form.Menu.Items[Index];
if ((CurrentItem.GroupIndex = ChangedIndex) or ProcessMerged(CurrentItem.GroupIndex)) then begin
inc(Index); continue;
end
else begin
if not Assigned(CurrentItem.OnMeasureItem) or not Assigned(CurrentItem.OnAdvancedDrawItem) or not CurrentItem.Visible then begin
inc(Index); Continue;
end;
GetMenuItemRect(Form.Handle, Form.Menu.Handle, VisIndex, R);
w := WidthOf(R);
OffsetRect(R, -Form.Left, -Form.Top);
CurrentItem.OnAdvancedDrawItem(CurrentItem, FCommonData.FCacheBmp.Canvas, R, [odNoAccel, odReserved1]);
inc(x, w);
inc(Index);
inc(VisIndex);
end;
end;
ProcessMerged(99999);
end;
if (CaptionHeight <> 0) and FDrawNonClientArea then begin
SaveBGForBtns(True);
// Paint buttons
PaintBorderIcons;
// Out the title text
FCommonData.FCacheBmp.Canvas.Font.Assign(Form.Font);
FCommonData.FCacheBmp.Canvas.Font.Style := FCommonData.FCacheBmp.Canvas.Font.Style + [fsBold];
FCommonData.FCacheBmp.Canvas.Font.Height := GetCaptionFontSize;
R := Rect(SysBorderWidth + integer(IconVisible) * WidthOf(IconRect) + 4 + SkinData.SkinManager.SkinData.BILeftMargin,
CY, rForm.Right - TitleBtnsWidth - 6, CaptionHeight);
if not IsRectEmpty(R) then begin
{$IFDEF TNTUNICODE}
s := WideString(GetWndText(Form.Handle));
GetTextExtentPoint32W(FCommonData.FCacheBmp.Canvas.Handle, PWideChar(s), Length(s), ts);
{$ELSE}
s := Form.Caption;
GetTextExtentPoint32(FCommonData.FCacheBmp.Canvas.Handle, PChar(s), Length(s), ts);
{$ENDIF}
R.Top := R.Top + (HeightOf(R) - ts.cy) div 2;
R.Bottom := R.Top + ts.cy;
acWriteTextEx(FCommonData.FCacheBmp.Canvas, PacChar(s), Form.Enabled, R,
GetStringFlags(Form, FCaptionAlignment) or DT_END_ELLIPSIS or DT_SINGLELINE or DT_VCENTER or DT_NOPREFIX,
FCommonData.SkinManager.GetSkinIndex(TitleSkinSection), FormActive, FCommonData.SkinManager)
end;
end;
// Paint MDIArea
if (Form.FormStyle = fsMDIForm) and Assigned(MDIForm) then begin
rC.Left := BorderWidth + GetAlignShift(Form, alLeft);
rC.Top := SysBorderHeight * 2 + CaptionHeight + LinesCount * MenuHeight * integer(MenuPresent) + Form.BorderWidth - 2 + GetAlignShift(Form, alTop);
rC.Right := Form.Width - BorderWidth - GetAlignShift(Form, alRight);
rC.Bottom := Form.Height - BorderWidth - GetAlignShift(Form, alBottom);
CI := MakeCacheInfo(FCommonData.FCacheBmp);
i := FCommonData.SkinManager.GetSkinIndex(s_MDIArea);
PaintItem(i, s_MDIArea, CI, False, 0, Rect(rC.Left, rC.Top, rC.Right, rC.Bottom), rC.TopLeft, FCommonData.FCacheBmp.Canvas.Handle, FCommonData.SkinManager);
end;
end;
MenuChanged := False;
FCommonData.BGChanged := False;
if Assigned(Form.OnPaint) and IsCached(SkinData) then begin
SavedCanvas := Form.Canvas.Handle;
Form.Canvas.Handle := SkinData.FCacheBmp.Canvas.Handle;
SavedDC := SaveDC(Form.Canvas.Handle);
MoveWindowOrg(Form.Canvas.Handle, OffsetX, OffsetY);
Form.Canvas.Lock;
Form.OnPaint(Form);
Form.Canvas.Unlock;
RestoreDC(Form.Canvas.Handle, SavedDC);
Form.Canvas.Handle := SavedCanvas;
end;
end;
FirstInitialized := True;
FCommonData.BGChanged := False;
end;
FCommonData.Updating := False;
end;

function TsSkinProvider.FormLeftTop: TPoint;
var
p : TPoint;
R : TRect;
begin
if TForm(Form).FormStyle = fsMDIChild then begin
p := Point(0, 0);
p := Form.ClientToScreen(p);
Result.x := p.x - SysBorderWidth;
Result.y := p.y - SysBorderHeight - integer(not IsIconic(Form.Handle)) * CaptionHeight;
end
else begin
GetWindowRect(Form.Handle, R);
Result.x := R.Left;
Result.y := R.Top;
end;
end;

function TsSkinProvider.IconRect: TRect;
begin
Result.Left := SysBorderWidth + SkinData.SkinManager.SkinData.BILeftMargin;
Result.Right := Result.Left + TitleIconWidth(Self);
Result.Top := (CaptionHeight + SysBorderHeight - TitleIconHeight(Self)) div 2;
Result.Bottom := Result.Top + TitleIconHeight(Self);
end;

procedure TsSkinProvider.DropSysMenu(x, y : integer);
var
mi : TMenuitem;
SysMenu: HMENU;
SelItem: DWORD;
procedure EnableCommandItem(uIDEnableItem : UINT; Enable : Boolean);
begin
if Enable
then EnableMenuItem(SysMenu, uIDEnableItem, MF_BYCOMMAND or MF_ENABLED)
else EnableMenuItem(SysMenu, uIDEnableItem, MF_BYCOMMAND or MF_GRAYED or MF_DISABLED);
end;
begin
SystemMenu.UpdateItems(SystemMenu.ExtItemsCount > 0);
if FMakeSkinMenu then begin
if SystemMenu.Items[0].Name = s_SkinSelectItemName then begin
while SystemMenu.Items[0].Count > 0 do begin
mi := SystemMenu.Items[0].Items[0];
SystemMenu.Items[0].Delete(0);
FreeAndNil(mi);
end;
mi := SystemMenu.Items[0];
SystemMenu.Items.Delete(0);
FreeAndNil(mi);
end;
SystemMenu.MakeSkinItems;
end;
SkinData.SkinManager.SkinableMenus.HookPopupMenu(SystemMenu, True);

if SkinData.SkinManager.SkinnedPopups then
begin
SkinData.SkinManager.SkinableMenus.HookPopupMenu(SystemMenu, True);
SystemMenu.WindowHandle := Form.Handle;
SystemMenu.Popup(x, y);
exit;
end;

// Prevent of painting by system (white line)
SetWindowLong(Form.Handle, GWL_STYLE, GetWindowLong(Form.Handle, GWL_STYLE) and not WS_VISIBLE);
//get a modifiable copy of the original sysmenu
SysMenu := GetSystemMenu(Form.Handle, False);
//read and emulate states from skin SystemMenu
with SystemMenu do begin
EnableCommandItem(SC_RESTORE , VisibleRestore And EnabledRestore);
EnableCommandItem(SC_MOVE , EnabledMove and not IsIconic(Form.Handle));
EnableCommandItem(SC_SIZE , VisibleSize And EnabledSize And (Form.WindowState = wsNormal));
EnableCommandItem(SC_MINIMIZE, VisibleMin And EnabledMin);
EnableCommandItem(SC_MAXIMIZE, VisibleMax And EnabledMax);
EnableCommandItem(SC_CLOSE , VisibleClose);
end;
SetWindowLong(Form.Handle, GWL_STYLE, GetWindowLong(Form.Handle, GWL_STYLE) or WS_VISIBLE);
//Get menuselection from menu, do not send it on automatically
SelItem := LongWord(Windows.TrackPopupMenu( SysMenu, TPM_LEFTBUTTON or TPM_RIGHTBUTTON or TPM_RETURNCMD, x, y, 0, Form.Handle, nil) );
//If the sysmenu tracking resulted in a selection, post it as a WM_SYSCOMMAND
if SelItem > 0 then PostMessage(Form.Handle, WM_SYSCOMMAND, SelItem, 0);
end;

function TsSkinProvider.CursorToPoint(x, y: integer): TPoint;
begin
Result := FormLeftTop;
Result.x := x - Result.x;
Result.y := y - Result.y;
end;

function TsSkinProvider.MenuPresent: boolean;
var
i, VisibleItems : integer;
begin
Result := False;
if (Form.BorderStyle = bsDialog) or (Form.FormStyle = fsMDIChild) then begin
Exit
end
else begin
if Form.Menu <> nil then begin
VisibleItems := 0;
for i := 0 to Form.Menu.Items.Count - 1 do begin
if Form.Menu.Items[i].Visible then begin
inc(VisibleItems);
Break;
end;
end;
if (Form.FormStyle = fsMDIForm) and Assigned(Form.ActiveMDIChild) and Assigned(Form.ActiveMDIChild.Menu) then begin
for i := 0 to Form.ActiveMDIChild.Menu.Items.Count - 1 do begin
if Form.ActiveMDIChild.Menu.Items[i].Visible then begin
inc(VisibleItems);
Break;
end;
end;
end;
Result := VisibleItems > 0;
end;
end;
end;

function TsSkinProvider.OffsetX: integer;
var
i : integer;
begin
if Assigned(ListSW) and Assigned(ListSW.sBarVert) and ListSW.sBarVert.fScrollVisible then i := GetScrollMetric(ListSW.sBarVert, SM_CXVERTSB) else i := 0;
Result := (GetWindowWidth(Form.Handle) - GetClientWidth(Form.Handle) - i) div 2
end;

function TsSkinProvider.OffsetY: integer;
var
i : integer;
begin
if Assigned(ListSW) and Assigned(ListSW.sBarHorz) and ListSW.sBarHorz.fScrollVisible then i := GetScrollMetric(ListSW.sBarHorz, SM_CYHORZSB) else i := 0;
Result := GetWindowHeight(Form.Handle) - GetClientHeight(Form.Handle) - BorderWidth * integer(CaptionHeight <> 0) - i;
end;

function TsSkinProvider.GetLinesCount: integer;
var
VisIndex, Index, x, w, GlobalResult : integer;
CurrentItem : TMenuItem;
ItemProcessed : integer;
ChangedIndex : integer;
R : TRect;
function ProcessMerged(CurrentIndex : integer) : boolean;
var
i, j, VisJ, w : integer;
LocalItem : TMenuItem;
begin
Result := False;
if Assigned(Form.ActiveMDIChild) and Assigned(Form.ActiveMDIChild.Menu) then begin
for i := ItemProcessed to Form.ActiveMDIChild.Menu.Items.Count - 1 do begin
LocalItem := Form.ActiveMDIChild.Menu.Items[i];

// If MDI form and included other
if (LocalItem.GroupIndex > ChangedIndex) and (LocalItem.GroupIndex <= CurrentIndex) then begin

if not Assigned(LocalItem.OnMeasureItem) or not Assigned(LocalItem.OnAdvancedDrawItem) or not LocalItem.Visible then Continue;

Result := (LocalItem.GroupIndex >= CurrentIndex);
ChangedIndex := LocalItem.GroupIndex;

j := i;
VisJ := j;
while (j <= Form.ActiveMDIChild.Menu.Items.Count - 1) do begin
LocalItem := Form.ActiveMDIChild.Menu.Items[j];
if (LocalItem.GroupIndex > ChangedIndex) and (Index <= Form.Menu.Items.Count - 1) then Exit;
GetMenuItemRect(Form.ActiveMDIChild.Handle, Form.ActiveMDIChild.Menu.Handle, VisJ, R);
w := WidthOf(R);
ChangedIndex := LocalItem.GroupIndex;

if x + w > Form.Width - 2 * SysBorderWidth - 2 * TForm(Form).BorderWidth then begin
x := SysBorderWidth;
inc(GlobalResult);
end;

inc(x, w);
ItemProcessed := i + 1;
inc(j);
inc(VisJ);
end;
end;
end;
end;
end;
begin
if FLinesCount <> -1 then Result := FLinesCount else begin
GlobalResult := 1;
x := SysBorderWidth;
ItemProcessed := 0;
if Form.Menu <> nil then begin
ChangedIndex := -1;
Index := 0;
VisIndex := 0;
while Index <= Form.Menu.Items.Count - 1 do begin
if (x = SysBorderWidth) and (MDISkinProvider = Self) and ChildIconPresent then begin
GetMenuItemRect(Form.Handle, Form.Menu.Handle, 0, R);
inc(x, WidthOf(R));
inc(VisIndex);
Continue;
end;
CurrentItem := Form.Menu.Items[Index];
if (CurrentItem.GroupIndex = ChangedIndex) or ProcessMerged(CurrentItem.GroupIndex) then begin
inc(Index);
continue;
end
else begin
if not Assigned(CurrentItem.OnMeasureItem) or not Assigned(CurrentItem.OnAdvancedDrawItem) or
not CurrentItem.Visible then begin
inc(Index);
Continue;
end;

GetMenuItemRect(Form.Handle, Form.Menu.Handle, VisIndex, R);
w := WidthOf(R);

if x + w > Form.Width - 2 * SysBorderWidth - 2 * TForm(Form).BorderWidth then begin
inc(GlobalResult);
x := SysBorderWidth;
end;

inc(x, w);
inc(Index);
inc(VisIndex);
end;
end;
ProcessMerged(99999);
end;
Result := GlobalResult;
FLinesCount := Result;
end;
end;

procedure TsSkinProvider.Loaded;
var
mi, i : integer;
begin
inherited;
if Assigned(FCommonData.SkinManager) and not (csDesigning in ComponentState) and FCommonData.Skinned(True) then begin
if Adapter = nil then AdapterCreate;
PrepareForm;
if Assigned(SystemMenu) then SystemMenu.UpdateItems;

mi := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGLobalInfo, s_GlobalInfo, s_TitleButtonMask);
if mi < 0 then mi := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, FCommonData.SkinSection, s_TitleButtonMask); // For compatibility
for i := 0 to TitleButtons.Count - 1 do
if TitleButtons.Items[i].UseSkinData
then TitleButtons.Items[i].BtnData.ImageIndex := mi
else TitleButtons.Items[i].BtnData.ImageIndex := -1;

if Assigned(MDIForm) then begin
// Application.ProcessMessages; // For Scrollbars updating
TsMDIForm(MDIForm).ConnectToClient;
end;
end;
end;

procedure TsSkinProvider.Notification(AComponent: TComponent; Operation: TOperation);
begin
inherited Notification(AComponent, Operation);
if (AComponent is TsSkinManager) then case Operation of
opInsert : if not Assigned(SkinData.SkinManager) then SkinData.SkinManager := TsSkinManager(AComponent);
opRemove : if AComponent = SkinData.SkinManager then SkinData.SkinManager := nil;
end
else if (AComponent is TWinControl) then case Operation of
opInsert : if Assigned(Adapter) then begin
if Adapter.IsControlSupported(TWincontrol(AComponent)) then Adapter.AddNewItem(TWincontrol(AComponent));
end;
end;
end;

function TsSkinProvider.FormChanged: boolean;
begin
Result := (FCommonData.FCacheBmp = nil) or (CaptionWidth <> FCommonData.FCacheBmp.Width) or (Form.Height <> FCommonData.FCacheBmp.Height)
end;

procedure TsSkinProvider.RepaintMenuItem(mi: TMenuItem; R: TRect; State : TOwnerDrawState);
var
DC, SavedDC : hdc;
begin
SavedDC := 0;
if MenuPresent and (Form.Menu.FindItem(mi.Handle, fkHandle) <> nil) then begin
mi.OnAdvancedDrawItem(mi, FCommonData.FCacheBmp.Canvas, R, State);
DC := GetWindowDC(Form.Handle);
try
SavedDC := SaveDC(DC);
BitBlt(DC, R.Left, R.Top, WidthOf(R), HeightOf(R), FCommonData.FCacheBmp.Canvas.Handle, R.Left, R.Top, SRCCOPY);
finally
RestoreDC(DC, SavedDC);
ReleaseDC(Form.Handle, DC);
end;
end;
end;

function TsSkinProvider.SmallButtonWidth: integer;
begin
if FCommonData.SkinManager.IsValidImgIndex(MDIClose.ImageIndex) then begin
if Assigned(FCommonData.SkinManager.ma[MDIClose.ImageIndex].Bmp)
then Result := FCommonData.SkinManager.ma[MDIClose.ImageIndex].Bmp.Width div 3
else Result := WidthOf(FCommonData.SkinManager.ma[MDIClose.ImageIndex].R) div FCommonData.SkinManager.ma[MDIClose.ImageIndex].ImageCount;
end
else Result := 16;
end;

function TsSkinProvider.SmallButtonHeight: integer;
begin
if FCommonData.SkinManager.IsValidImgIndex(MDIClose.ImageIndex) then begin
if Assigned(FCommonData.SkinManager.ma[MDIClose.ImageIndex].Bmp)
then Result := FCommonData.SkinManager.ma[MDIClose.ImageIndex].Bmp.Height div 2
else Result := HeightOf(FCommonData.SkinManager.ma[MDIClose.ImageIndex].R) div (FCommonData.SkinManager.ma[MDIClose.ImageIndex].MaskType + 1);
end
else Result := 16;
end;

function TsSkinProvider.HeaderHeight: integer;
begin
if CaptionHeight = 0
then Result := GetWindowHeight(Form.Handle) - GetClientHeight(Form.Handle)
else Result := GetWindowHeight(Form.Handle) - GetClientHeight(Form.Handle) - SysBorderHeight - Form.BorderWidth {v5.32};
if Result < 0 then Result := 0;
if IsIconic(Form.Handle) then inc(Result, SysBorderHeight);
if SkinData.Skinned and Assigned(ListSW) and Assigned(ListSW.sBarHorz) and ListSW.sBarHorz.fScrollVisible then begin
dec(Result, GetScrollMetric(ListSW.sBarHorz, SM_CYHORZSB));
end;
end;

function TsSkinProvider.MDIButtonsNeeded: boolean;
begin
Result := (ChildProvider <> nil) and (Form.FormStyle = fsMDIForm) and Assigned(Form.ActiveMDIChild) and
(Form.ActiveMDIChild.WindowState = wsMaximized) and (Form.Menu <> nil) and (biSystemMenu in Form.ActiveMDIChild.BorderIcons);
end;

function TsSkinProvider.MenuHeight: integer;
begin
if Form.Menu <> nil then Result := GetSystemMetrics(SM_CYMENU) - 1 else Result := 0;
end;

function TsSkinProvider.AboveBorder(Message: TWMNCHitTest): boolean;
var
p : TPoint;
begin
p := CursorToPoint(Message.XPos, Message.YPos);
Result := not PtInRect(Rect(2, 2, Form.Width - 4, Form.Height - 4), p);
if Result then SetHotHT(0);
end;

type
TAccessMenuItem = class(TMenuItem);

function TsSkinProvider.UpdateMenu : boolean;
begin
Result := False;
if not fGlobalFlag then begin
fGlobalFlag := True;
if (Form.Menu <> nil) and (Form.Menu.Items.Count > 0) and (Form.Menu.Items[0] <> nil) then begin
TAccessMenuItem(Form.Menu.Items[0]).MenuChanged(True);
Result := True;
end;
fGlobalFlag := False;
end;
end;

function TsSkinProvider.IconVisible: boolean;
begin
Result := ((Form.BorderStyle = bsSizeable) or (Form.BorderStyle = bsSingle)) and FShowAppIcon;
end;

procedure TsSkinProvider.MakeTitleBG;
begin
if TitleBG <> nil then FreeAndNil(TitleBG);
TitleBG := TBitmap.Create;
TitleBG.Width := FCommonData.FCacheBmp.Width;
TitleBG.Height := CaptionHeight + SysBorderHeight;
TitleBG.PixelFormat := pf24bit;
BitBlt(TitleBG.Canvas.Handle, 0, 0, TitleBG.Width, TitleBG.Height, FCommonData.FCacheBmp.Canvas.Handle, 0, 0, SRCCOPY);
end;

procedure TsSkinProvider.PrepareCaption(CI: TCacheInfo; R : TRect);
var
i : integer;
s : acString;
sRect : TRect;
ts : TSize;
begin
i := FCommonData.SkinManager.GetSkinIndex(TitleSkinSection); // Paint title
PaintItem(i, TitleSkinSection, ci, True, integer(FormActive), Rect(0, 0, R.Right, R.Bottom), Point(0, 0), FCommonData.FCacheBmp, FCommonData.SkinManager);

DrawAppIcon(Self);
if (SysButtonsCount > 0) then begin
// Paint title toolbar if exists
i := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinIndex, FCommonData.SkinSection, s_NormalTitleBar);
if FCommonData.SkinManager.IsValidImgIndex(i) then begin
DrawSkinRect(FCommonData.FCacheBmp,
Rect(R.Right - BarWidth(i), 0, R.Right, R.Bottom),
True, EmptyCI, FCommonData.SkinManager.ma[i], integer(FormActive), True);
end;
end;
SaveBGForBtns;
// Paint buttons
PaintBorderIcons;

// Out title text
FCommonData.FCacheBmp.Canvas.Font.Assign(Form.Font);
FCommonData.FCacheBmp.Canvas.Font.Height := GetCaptionFontSize;
FCommonData.FCacheBmp.Canvas.Font.Style := FCommonData.FCacheBmp.Canvas.Font.Style + [fsBold];

sRect := Rect(
SysBorderWidth + integer(IconVisible) * WidthOf(IconRect) + 4 + SkinData.SkinManager.SkinData.BILeftMargin,
R.Top + SysBorderHeight,
R.Right - TitleBtnsWidth - 6,
CaptionHeight
);
if not IsRectEmpty(sRect) then begin
{$IFDEF TNTUNICODE}
s := WideString(GetWndText(Form.Handle));
GetTextExtentPoint32W(FCommonData.FCacheBmp.Canvas.Handle, PWideChar(s), Length(s), ts);
sRect.Top := sRect.Top + (HeightOf(sRect) - ts.cy) div 2;
sRect.Bottom := sRect.Top + ts.cy;
WriteTextExW(FCommonData.FCacheBmp.Canvas, PWideChar(s), Form.Enabled, sRect,
GetStringFlags(Form, FCaptionAlignment) or DT_END_ELLIPSIS or DT_SINGLELINE or DT_VCENTER or DT_NOPREFIX, FCommonData.SkinManager.GetSkinIndex(TitleSkinSection),
FormActive, FCommonData.SkinManager)
{$ELSE}
s := Form.Caption;
GetTextExtentPoint32(FCommonData.FCacheBmp.Canvas.Handle, PacChar(s), Length(s), ts);
sRect.Top := sRect.Top + (HeightOf(sRect) - ts.cy) div 2;
sRect.Bottom := sRect.Top + ts.cy;
acWriteTextEx(FCommonData.FCacheBmp.Canvas, PChar(s), Form.Enabled, sRect,
GetStringFlags(Form, FCaptionAlignment) or DT_END_ELLIPSIS or DT_SINGLELINE or DT_VCENTER or DT_NOPREFIX, FCommonData.SkinManager.GetSkinIndex(TitleSkinSection),
FormActive, FCommonData.SkinManager);
{$ENDIF}
end;
end;

procedure TsSkinProvider.SetCaptionAlignment(const Value: TAlignment);
begin
if FCaptionAlignment <> Value then begin
FCaptionAlignment := Value;
FCommonData.BGChanged := True;
if Form.Visible then SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
end;
end;

procedure TsSkinProvider.SetShowAppIcon(const Value: boolean);
begin
if FShowAppIcon <> Value then begin
FShowAppIcon := Value;
FCommonData.BGChanged := True;
if Form.Visible then SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
end;
end;

procedure TsSkinProvider.SetTitleButtons(const Value: TsTitleButtons);
begin
FTitleButtons.Assign(Value);
end;

function TsSkinProvider.RBGripPoint(ImgIndex : integer): TPoint;
begin
// v6.03 if FCommonData.SkinManager.ma[ImgIndex].Bmp = nil then begin
Result := Point(FCommonData.FCacheBmp.Width - WidthOf(FCommonData.SkinManager.ma[ImgIndex].R) div FCommonData.SkinManager.ma[ImgIndex].ImageCount - SysBorderWidth,
Form.Height - HeightOf(FCommonData.SkinManager.ma[ImgIndex].R) div (1 + FCommonData.SkinManager.ma[ImgIndex].MaskType) - SysBorderHeight);
end;

procedure TsSkinProvider.InitMenuItems(A: boolean);
var
i : integer;
procedure ProcessComponent(c: TComponent);
var
i: integer;
begin
if (c <> nil) then begin
if (c is TMainMenu) then begin
FCommonData.SkinManager.SkinableMenus.InitMenuLine(TMainMenu(c), A and FDrawNonCLientArea);
for i := 0 to TMainMenu(c).Items.Count - 1 do
FCommonData.SkinManager.SkinableMenus.HookItem(TMainMenu(c).Items[i], A and FCommonData.SkinManager.SkinnedPopups);
end
else if (c is TPopupMenu) then begin
FCommonData.SkinManager.SkinableMenus.HookPopupMenu(TPopupMenu(c), A and FCommonData.SkinManager.SkinnedPopups);
end
else if (c is TMenuItem) then if not (TMenuItem(c).GetParentMenu is TMainMenu) then begin
FCommonData.SkinManager.SkinableMenus.HookItem(TMenuItem(c), A and FCommonData.SkinManager.SkinnedPopups);
end
else
for i := 0 to c.ComponentCount - 1 do ProcessComponent(c.Components[i]);
end;
end;
begin
if (csDesigning in Form.ComponentState) or (FCommonData.SkinManager.SkinableMenus = nil) or not FCommonData.SkinManager.IsDefault then Exit;
// FCommonData.SkinManager.SkinableMenus.InitItems(A);
for i := 0 to Form.ComponentCount - 1 do ProcessComponent(Form.Components[i]);
end;

procedure TsSkinProvider.StartMove(X, Y: Integer);
begin
if ResizeMode = rmBorder then begin
//Common section
bInProcess := TRUE;
deskwnd := GetDesktopWindow();
formDC := GetWindowDC(deskwnd);
nDC := SaveDC(formDC);
ntop := Form.Top;
nleft := Form.Left;
SetROP2(formDC, R2_NOT);

if bMode then begin //Move section
nX := X;
nY := Y;
DrawFormBorder(nleft, ntop);
end
else begin //Size section
nMinHeight := Form.Constraints.MinHeight;
nMinWidth := Form.Constraints.MinWidth;
nbottom := Form.top + Form.height;
nright := Form.left + Form.width;
DrawFormBorder(0, 0);
end;
end;
end;

procedure TsSkinProvider.StopMove(X, Y: Integer);
begin
if ResizeMode = rmBorder then begin
//Common section
ReleaseCapture;
bInProcess := FALSE;

if bMode then begin //Move section
DrawFormBorder(nleft, ntop);
RestoreDC(formDC, nDC);
ReleaseDC(deskwnd, formDC);
MoveWindow(Form.handle, nleft, ntop, Form.width, Form.height, TRUE)
end
else begin //Size section
DrawFormBorder(0,0);
RestoreDC(formDC, nDC);
ReleaseDC(deskwnd, formDC);
if not bCapture then MoveWindow(Form.handle, nleft, ntop, nright - nleft, nbottom - ntop, TRUE);
bCapture := FALSE;
end;
end;
end;

procedure TsSkinProvider.DrawFormBorder(X, Y: Integer);
var
pts : array [1..5] of TPoint;
incX, incY : integer;
begin
if ResizeMode = rmBorder then begin
if Form.FormStyle = fsMDIChild then with TsSkinProvider(MDISkinProvider) do begin
incX := Form.Left + SysBorderWidth + Form.BorderWidth + 1;
incY := Form.Top + SysBorderHeight * 2 + CaptionHeight + LinesCount * MenuHeight * integer(MenuPresent) + Form.BorderWidth - 2;
X := X + incX;
Y := Y + incY;
end
else begin
incX := 0;
incY := 0;
end;
if bMode then begin //Move section
pts[1] := point(X, Y);
pts[2] := point(X, Y + Form.Height);
pts[3] := point(X + Form.Width, Y + Form.Height);
pts[4] := point(X + Form.Width, Y);
pts[5] := point(X, Y);
PolyLine(formDC, pts, 5);
end
else begin //Size section
pts[1].X := nleft + incX;
pts[1].Y := ntop + incY;
pts[2].X := nleft + incX;
pts[2].Y := nbottom + incY;
pts[3].X := nright + incX;
pts[3].Y := nbottom + incY;
pts[4].X := nright + incX;
pts[4].Y := ntop + incY;
pts[5].X := nleft + incX;
pts[5].Y := ntop + incY;
PolyLine(formDC, pts, 5);
end;
end;
end;

procedure TsSkinProvider.SetUseGlobalColor(const Value: boolean);
begin
if FUseGlobalColor <> Value then begin
FUseGlobalColor := Value;
if FCommonData.Skinned and Assigned(Form) and Value and not SkinData.CustomColor then Form.Color := FCommonData.SkinManager.GetGlobalColor else Form.Color := clBtnFace;
end;
end;

procedure TsSkinProvider.RepaintMenu;
begin
SkinData.BGChanged := True;
MenuChanged := True;
FLinesCount := -1;
SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
end;

function TsSkinProvider.CaptionWidth: integer;
var
R : TRect;
begin
if IsIconic(Form.Handle) then begin
GetWindowRect(Form.Handle, R);
Result := WidthOf(R)
end
else Result := Form.Width;
end;

function TsSkinProvider.SysBorderHeight: integer;
begin
Result := 0;
if not HaveBorder(Self) then Exit;
if Form.FormStyle = fsMDIChild then begin
if Form.BorderStyle in [bsToolWindow, bsSingle]
then Result := GetSystemMetrics(SM_CYFIXEDFRAME)
else Result := GetSystemMetrics(SM_CYSIZEFRAME);
end
else begin
if Form.BorderStyle in [bsToolWindow, bsSingle, bsDialog]
then Result := GetSystemMetrics(SM_CYFIXEDFRAME)
else Result := GetSystemMetrics(SM_CYSIZEFRAME);
end;
end;

function TsSkinProvider.SysBorderWidth: integer;
begin
Result := 0;
if not HaveBorder(Self) then Exit;
if Form.FormStyle = fsMDIChild then begin
if Form.BorderStyle in [bsToolWindow, bsSingle]
then Result := GetSystemMetrics(SM_CXFIXEDFRAME)
else Result := GetSystemMetrics(SM_CXSIZEFRAME);
end
else begin
if Form.BorderStyle in [bsToolWindow, bsSingle, bsDialog]
then Result := GetSystemMetrics(SM_CXFIXEDFRAME)
else Result := GetSystemMetrics(SM_CXSIZEFRAME);
end;
end;

procedure TsSkinProvider.UpdateIconsIndexes;
begin
if FCommonData.SkinManager.IsValidSkinIndex(FCommonData.SkinManager.ConstData.IndexGlobalInfo) then begin
// ButtonClose.ImageIndex := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconClose);
// if ButtonClose.ImageIndex > -1 then
with FCommonData.SkinManager do begin // For compatibility with skins with version < 4.33
if BigButtons(Self) then begin
ButtonMin.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconMinimize);
ButtonMax.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconMaximize);
ButtonClose.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconClose);
ButtonHelp.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconHelp);
ButtonMin.HaveAlignment := True;
ButtonMax.HaveAlignment := True;
ButtonClose.HaveAlignment := True;
ButtonHelp.HaveAlignment := True;
end
else begin
ButtonClose.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_SmallIconClose);
ButtonMin.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_SmallIconMinimize);
ButtonMax.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_SmallIconMaximize);
ButtonHelp.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_SmallIconHelp);
if ButtonHelp.ImageIndex < 0 then ButtonHelp.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconHelp);
ButtonMin.HaveAlignment := False;
ButtonMax.HaveAlignment := False;
ButtonClose.HaveAlignment := False;
ButtonHelp.HaveAlignment := False;
end;
if ButtonClose.ImageIndex < 0 then begin
ButtonClose.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconClose);
ButtonMin.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconMinimize);
ButtonMax.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconMaximize);
ButtonHelp.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconHelp);
ButtonMin.HaveAlignment := True;
ButtonMax.HaveAlignment := True;
ButtonClose.HaveAlignment := True;
ButtonHelp.HaveAlignment := True;

if (Form.FormStyle = fsMDIForm) and not (csDesigning in ComponentState) then begin
MDIMin.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconMinimize);
MDIMax.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconMaximize);
MDIClose.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_BorderIconClose);
end;
MDIMin.HaveAlignment := True;
MDIMax.HaveAlignment := True;
MDIClose.HaveAlignment := True;
end
else begin
if (Form.FormStyle = fsMDIForm) and not (csDesigning in ComponentState) then begin
MDIMin.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_SmallIconMinimize);
MDIMax.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_SmallIconMaximize);
MDIClose.ImageIndex := GetMaskIndex(ConstData.IndexGlobalInfo, s_GlobalInfo, s_SmallIconClose);
MDIMin.HaveAlignment := False;
MDIMax.HaveAlignment := False;
MDIClose.HaveAlignment := False;
end;
if MDIMin.ImageIndex < 0 then begin // Leaved for compatibility, should be removed later
MDIMin.ImageIndex := ButtonMin.ImageIndex;
MDIMax.ImageIndex := ButtonMax.ImageIndex;
MDIClose.ImageIndex := ButtonClose.ImageIndex;
MDIMin.HaveAlignment := True;
MDIMax.HaveAlignment := True;
MDIClose.HaveAlignment := True;
end;
end;
{ end
else with FCommonData.SkinManager do begin
ButtonMin.ImageIndex := GetMaskIndex(FCommonData.SkinIndex, s_Form, s_BorderIconMinimize);
ButtonMax.ImageIndex := GetMaskIndex(FCommonData.SkinIndex, s_Form, s_BorderIconMaximize);
ButtonClose.ImageIndex := GetMaskIndex(FCommonData.SkinIndex, s_Form, s_BorderIconClose);
ButtonHelp.ImageIndex := GetMaskIndex(FCommonData.SkinIndex, s_Form, s_BorderIconHelp);
if (Form.FormStyle = fsMDIForm) and not (csDesigning in ComponentState) then begin
MDIMin.ImageIndex := GetMaskIndex(FCommonData.SkinIndex, s_Form, s_BorderIconMinimize);
MDIMax.ImageIndex := GetMaskIndex(FCommonData.SkinIndex, s_Form, s_BorderIconMaximize);
MDIClose.ImageIndex := GetMaskIndex(FCommonData.SkinIndex, s_Form, s_BorderIconClose);
end;}
end;

UserBtnIndex := FCommonData.SkinManager.GetMaskIndex(FCommonData.SkinManager.ConstData.IndexGlobalInfo, s_GlobalInfo, s_TitleButtonMask);
end;
end;

procedure TsSkinProvider.SetTitleSkin(const Value: TsSkinSection);
begin
if FTitleSkin <> Value then begin
FTitleSkin := Value;
FCommonData.BGChanged := True;
if Form.Visible then SendMessage(Form.Handle, WM_NCPAINT, 0, 0);
end;
end;

function TsSkinProvider.TitleSkinSection: string;
begin
if FTitleSkin = '' then Result := s_FormTitle else Result := FTitleSkin
end;

procedure TsSkinProvider.SetMenuLineSkin(const Value: TsSkinSection);
begin
if (FMenuLineSkin <> Value) then begin
FMenuLineSkin := Value;
if (csDesigning in ComponentState) then SkinData.Invalidate;
end;
end;

procedure TsSkinProvider.PrepareForm;
begin
if (FCommonData.SkinManager = nil) or (Form = nil) or not Form.HandleAllocated then Exit;
FCommonData.Loaded;
CheckSysMenu(FCommonData.SkinManager.SkinData.Active);
// if not FDrawNonClientArea then SetWindowLong(Form.Handle, GWL_STYLE, GetWindowLong(Form.Handle, GWL_STYLE) or WS_SYSMENU);
if SystemMenu = nil then begin
SystemMenu := TsSystemMenu.Create(Self);
SystemMenu.FForm := Form;
SystemMenu.UpdateItems;
end;

if ClearButtons and FCommonData.SkinManager.SkinData.Active then begin
ClearButtons := False;
if (Form.FormStyle = fsMDIForm) and not (csDesigning in ComponentState) then HookMDI;
end;
FCommonData.UpdateIndexes;
UpdateIconsIndexes;

RegionChanged := True;
CaptChanged := True;
CaptRgnChanged :=True;

// If form is MDIChild and menus are merged then
if (Form.FormStyle = fsMDIChild) then begin
if Assigned(MDISkinProvider) and
not (csDestroying in TsSkinProvider(MDISkinProvider).ComponentState) and
not (csDestroying in TsSkinProvider(MDISkinProvider).Form.ComponentState) and SkinData.Skinned
then begin
TsSkinProvider(MDISkinProvider).FCommonData.BGChanged := True;
TsSkinProvider(MDISkinProvider).FLinesCount := -1;
end;
end;
if (Form <> nil) and not (csCreating in Form.ControlState) and not (csReadingState in Form.ControlState) and
not (csLoading in componentState) and (SkinData.SkinManager <> nil) and UseGlobalColor and not SkinData.CustomColor
then Form.Color := SkinData.SkinManager.GetGlobalColor;
InitMenuItems(SkinData.Skinned);
if not MenusInitialized then begin
if UpdateMenu then MenusInitialized := True;
end;
if SystemMenu <> nil then SystemMenu.UpdateGlyphs;
end;

procedure TsSkinProvider.HookMDI(Active: boolean);
begin
if Active then begin
if not Assigned(MDIForm) then begin
MDISkinProvider := Self;
TsMDIForm(MDIForm) := TsMDIForm.Create(Self);
if MDIForm <> nil then TsMDIForm(MDIForm).ConnectToClient;
end;
end
else begin
if Assigned(MDIForm) then FreeAndNil(MDIForm);
end;
end;

procedure TsSkinProvider.DsgnWndProc(var Message: TMessage);
begin
if ChangeFormsInDesign and (csDesigning in ComponentState) and
Assigned(SkinData) and
Assigned(SkinData.SkinManager) and
Assigned(Form) and
UseGlobalColor and
not SkinData.CustomColor and
(Message.WParamHi in [AC_SETNEWSKIN, AC_REFRESH, AC_REMOVESKIN]) and
(LongWord(Message.LParam) = LongWord(SkinData.SkinManager)) then if Message.Msg = SM_ALPHACMD then case Message.WParamHi of
AC_SETNEWSKIN, AC_REFRESH : Form.Color := SkinData.SkinManager.GetGlobalColor;
AC_REMOVESKIN : Form.Color := clBtnFace;
end;
end;

function TsSkinProvider.TitleBtnsWidth: integer;
var
i : integer;
begin
Result := FCommonData.SkinManager.SkinData.BIRightMargin;
if SystemMenu.VisibleClose and Assigned(SystemMenu) then begin
inc(Result, SysButtonWidth(ButtonClose) + integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing);
if SystemMenu.VisibleMax then inc(Result, SysButtonWidth(ButtonMax) + integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing);
if SystemMenu.VisibleMin then inc(Result, SysButtonWidth(ButtonMin) + integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing);
if (biHelp in Form.BorderIcons) then inc(Result, SysButtonWidth(ButtonHelp) + integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing);
end;

if TitleButtons.Count > 0 then inc(Result, UserButtonsOffset);
for i := 0 to TitleButtons.Count - 1 do begin
inc(Result, UserButtonWidth(TitleButtons[i]) + integer(BigButtons(Self)) * FCommonData.SkinManager.SkinData.BISpacing);
end;
end;

function TsSkinProvider.UserButtonWidth(Btn: TsTitleButton): integer;
begin
if Assigned(Btn.Glyph) then Result := Btn.Glyph.Width + 2 else Result := 0;
if FCommonData.SkinManager.IsValidImgIndex(UserBtnIndex)
then Result := max(Result, WidthOf(FCommonData.SkinManager.ma[UserBtnIndex].R) div FCommonData.SkinManager.ma[UserBtnIndex].ImageCount)
else Result := max(Result, 21);
end;

procedure TsSkinProvider.AdapterCreate;
begin
if not (csDesigning in ComponentState) and FCommonData.Skinned then begin
Adapter := TacCtrlAdapter.Create(Self);
Adapter.AddAllItems;
end;
end;

procedure TsSkinProvider.AdapterRemove;
begin
if not (csDesigning in ComponentState) then begin
SendToAdapter(MakeMessage(SM_ALPHACMD, MakeWParam(0, AC_REMOVESKIN), LongWord(SkinData.SkinManager), 0));
FreeAndNil(Adapter);
end;
end;

procedure TsSkinProvider.SendToAdapter(Message: TMessage);
begin
try
if not (csDesigning in ComponentState) and Assigned(Adapter) then Adapter.WndProc(Message)
except
end
end;

procedure TsSkinProvider.MdiIcoFormPaint(Sender: TObject);
begin
with TForm(Sender) do BitBlt(Canvas.Handle, 0, 0,
60, GetSystemMetrics(SM_CYMENU) - 1 + 4, SkinData.FCacheBmp.Canvas.Handle,
Form.Width - 60, CaptionHeight, SRCCOPY);
end;

procedure TsSkinProvider.CaptFormPaint(Sender: TObject);
begin
if (CaptForm <> nil) and not (csDestroying in CaptForm.ComponentState)
then BitBlt(CaptForm.Canvas.Handle, 0, 0, CaptForm.Width, CaptForm.Height, SkinData.FCacheBmp.Canvas.Handle, 0, 0, SRCCOPY);
end;

procedure TsSkinProvider.NewCaptFormProc(var Message: TMessage);
begin
case Message.Msg of
WM_ERASEBKGND : Exit;
end;
OldCaptFormProc(Message);
end;

procedure TsSkinProvider.SaveBGForBtns(Full : boolean = False);
begin
TempBmp.Width := TitleBtnsWidth + SysBorderWidth + 10;
TempBmp.Height := HeaderHeight;
BitBlt(TempBmp.Canvas.Handle, 0, 0, TempBmp.Width, iffi(Full, TempBmp.Height, CaptionHeight + SysBorderHeight),
FCommonData.FCacheBmp.Canvas.Handle, CaptionWidth - TempBmp.Width - 1, 0, SRCCOPY);
end;

procedure TsSkinProvider.RestoreBtnsBG;
begin
if Assigned(TempBmp) then BitBlt(FCommonData.FCacheBmp.Canvas.Handle, CaptionWidth - TempBmp.Width - 1, 0, TempBmp.Width, TempBmp.Height, TempBmp.Canvas.Handle, 0, 0, SRCCOPY);
end;

procedure TsSkinProvider.AC_WMEraseBkGnd(const aDC: hdc);
var
DC, SavedDC : hdc;
begin
if aDC = 0 then DC := GetDC(Form.Handle) else DC := aDC;
try
FCommonData.FUpdating := False;
if not fAnimating and not (csDestroying in Form.ComponentState) and not ((Form.FormStyle = fsMDIChild) and (MDISkinProvider <> nil) and not MDICreating and
Assigned(TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild) and (TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild.WindowState = wsMaximized)
and (Form <> TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild)) then begin
SavedDC := SaveDC(DC);
ExcludeControls(DC, Form, actGraphic, 0, 0);
PaintForm(DC);

if IsGripVisible(Self) then begin
MoveWindowOrg(DC, -OffsetX, -OffsetY);
PaintGrip(DC, Self);
end;
RestoreDC(DC, SavedDC);
PaintControls(DC, Form, True, Point(0, 0));
end;
finally
if aDC = 0 then ReleaseDC(Form.Handle, DC);
end;
end;

procedure TsSkinProvider.AC_WMNCPaint;
var
DC, SavedDC : hdc;
i : integer;
begin
if MDICreating or not FDrawNonClientArea then Exit; // If maximized mdi child was created
if (ResizeMode = rmBorder) and AeroIsEnabled then ResizeMode := rmStandard;
if (Form.FormStyle = fsMDIChild) then begin
if (MDISkinProvider <> nil) and
Assigned(TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild) and
(TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild.WindowState = wsMaximized)
and (Form <> TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild) then begin
Exit;
end;
end;
{ if not IsCached(FCommonData) and (FCommonData.FCacheBmp <> nil) then begin
FCommonData.FCacheBmp.Height := Form.Height;
FCommonData.BGChanged := True;
end;}

if not MenusInitialized then begin
if UpdateMenu then MenusInitialized := True;
end;

if not RgnChanging {!!!and not UseAero} and RgnChanged and (HaveBorder(Self) or IsSizeBox(Form.Handle) or IsIconic(Form.Handle)) then begin
FillArOR(Self);
RgnChanged := False;
if not RgnChanging then begin
if (fsShowing in Form.FormState) and (Form.Position <> poDefault) and (Form.WindowState <> wsMaximized) then UpdateRgn(Self, False) else begin
UpdateRgn(Self, True);
Exit
end;
end;
end;
FCommonData.Updating := False; // v5.41 MenuChanged

DC := GetWindowDC(Form.Handle);
SavedDC := SaveDC(DC);

try
if not HaveBorder(Self) and IsSizeBox(Form.Handle) and not IsIconic(Form.Handle) then begin
if FCommonData.BGChanged
then PaintAll;

i := Form.BorderWidth + 3;
BitBlt(DC, 0, 0, Form.Width, i, FCommonData.FCacheBmp.Canvas.Handle, 0, 0, SRCCOPY); // Title and menu line update
BitBlt(DC, 0, i, i, FCommonData.FCacheBmp.Height, FCommonData.FCacheBmp.Canvas.Handle, 0, i, SRCCOPY); // Left border update
BitBlt(DC, i, Form.Height - i, Form.Width - i, i, FCommonData.FCacheBmp.Canvas.Handle, i, Form.Height - i, SRCCOPY); // Bottom border update
BitBlt(DC, FCommonData.FCacheBmp.Width - i, i, i, FCommonData.FCacheBmp.Height, FCommonData.FCacheBmp.Canvas.Handle, FCommonData.FCacheBmp.Width - i, i, SRCCOPY); // Right border update
end
else PaintCaption(DC);

finally
RestoreDC(DC, SavedDC);
ReleaseDC(Form.Handle, DC);
end;

RgnChanging := False;

// if (Form.FormStyle = fsMDIForm) and Assigned(MDIForm) then TsMDIForm(MDIForm).ConnectToClient;
// if not IsCached(FCommonData) and (FCommonData.FCacheBmp <> nil) then FCommonData.FCacheBmp.Height := min(1000 + FCommonData.FCacheBmp.Height, CaptionHeight + SysBorderHeight + LinesCount * MenuHeight + 64);
end;
{
procedure TsSkinProvider.AC_WMWindowPosChanged(const Msg: TWMWindowPosMsg);
var
wp : TWindowPos;
begin
wp := Msg.WindowPos^;
if (wp.flags and SWP_NOREDRAW = SWP_NOREDRAW) or (wp.flags and SWP_FRAMECHANGED = SWP_FRAMECHANGED)
then AeroInvalidate := False
else AeroInvalidate := True;
end;
}
function TsSkinProvider.FormColor: TColor;
begin
if FCOmmonData.Skinned and not SkinData.CustomColor then begin
if FormActive
then Result := FCommonData.SkinManager.gd[FCommonData.Skinindex].HotColor
else Result := FCommonData.SkinManager.gd[FCommonData.Skinindex].Color
end
else Result := ColorToRGB(Form.Color);
end;

procedure TsSkinProvider.OurPaintHandler(const Msg: TWMPaint);
var
SavedDC : hdc;
PS : TPaintStruct;
begin
if InAnimationProcess and (Msg.DC = 0) then Exit;
if not InAnimationProcess then BeginPaint(Form.Handle, PS);
SavedDC := SaveDC(Form.Canvas.Handle);
try
Form.Canvas.Lock;
FCommonData.Updating := False;
if not fAnimating and not (csDestroying in Form.ComponentState) and not ((Form.FormStyle = fsMDIChild) and (MDISkinProvider <> nil) and not MDICreating and
Assigned(TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild) and (TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild.WindowState = wsMaximized)
and (Form <> TsSkinProvider(MDISkinProvider).Form.ActiveMDIChild)) then begin
PaintForm(Form.Canvas.Handle);
end;
finally
Form.Canvas.UnLock;
RestoreDC(Form.Canvas.Handle, SavedDC);
Form.Canvas.Handle := 0;
if not InAnimationProcess then EndPaint(Form.Handle, PS);
end;
end;

procedure TsSkinProvider.CheckSysMenu(const Skinned: boolean);
begin
if Skinned then begin
if (GetWindowLong(Form.Handle, GWL_STYLE) and WS_SYSMENU = WS_SYSMENU) or HaveSysMenu then begin
if FDrawNonClientArea
then SetWindowLong(Form.Handle, GWL_STYLE, GetWindowLong(Form.Handle, GWL_STYLE) and not WS_SYSMENU)
else SetWindowLong(Form.Handle, GWL_STYLE, GetWindowLong(Form.Handle, GWL_STYLE) or WS_SYSMENU);
HaveSysMenu := True;
end
else HaveSysMenu := False;
end
else begin
if HaveSysMenu then SetWindowLong(Form.Handle, GWL_STYLE, GetWindowLong(Form.Handle, GWL_STYLE) or WS_SYSMENU);
HaveSysMenu := False;
end;
end;

procedure TsSkinProvider.SetDrawNonClientArea(const Value: boolean);
begin
if (FDrawNonClientArea <> Value) then begin
FDrawNonClientArea := Value;
if (csDesigning in ComponentState) then Exit;
if Value then begin
CheckSysMenu(True);

if not (csDesigning in ComponentState) and (Form <> nil) and Form.Showing and SkinData.Skinned then begin
SkinData.BGChanged := True;
FreeAndNil(TitleBG);
RedrawWindow(Form.Handle, nil, 0, RDW_FRAME or RDW_INVALIDATE or RDW_UPDATENOW);
RefreshFormScrolls(Self, ListSW, False);
end;
end
else begin
if (@Ac_SetWindowTheme <> nil) then Ac_SetWindowTheme(Form.Handle, nil, nil);
if ListSW <> nil then FreeAndNil(ListSW);
// InitializeFlatSB(Form.Handle);
if HaveSysMenu then SetWindowLong(Form.Handle, GWL_STYLE, GetWindowLong(Form.Handle, GWL_STYLE) or WS_SYSMENU);
if Form.Showing then SetWindowRgn(Form.Handle, 0, True);
end;
end;
end;

procedure TsSkinProvider.AC_WMNCCalcSize(Message: TWMNCCalcSize);
//var
// R : TRect;
begin
// R := Message.CalcSize_Params.rgrc[0];
OldWndProc(TMessage(Message));
{ Message.CalcSize_Params.rgrc[0].Top := R.Top + FormTitleHeight;
Message.CalcSize_Params.rgrc[0].Left := R.Left + FormLeftBorderWidth;
Message.CalcSize_Params.rgrc[0].Right := R.Right - FormRightBorderWidth;
Message.CalcSize_Params.rgrc[0].Bottom := R.Bottom - FormBottomBorderWidth;}
end;

{ TsSystemMenu }

procedure TsSystemMenu.CloseClick(Sender: TObject);
begin
Sendmessage(FForm.Handle, WM_SYSCOMMAND, SC_CLOSE, 0);
end;

constructor TsSystemMenu.Create(AOwner: TComponent);
begin
FOwner := TsSkinProvider(AOwner);
FForm := FOwner.Form;
inherited Create(AOwner);
Name := 'SysMenu';
Generate
end;

function TsSystemMenu.EnabledMax: boolean;
begin
Result := ((TForm(FForm).FormStyle = fsMDIChild) or
((FForm.WindowState <> wsMaximized) and (FForm.BorderStyle in [bsSingle, bsSizeable]))) and
(biMaximize in FOwner.Form.BorderIcons);
end;

function TsSystemMenu.EnabledMin: boolean;
begin
Result := (biMinimize in FOwner.Form.BorderIcons) and (FForm.WindowState <> wsMinimized);
end;

function TsSystemMenu.EnabledMove: boolean;
begin
Result := (FForm.WindowState <> wsMaximized);
end;

function TsSystemMenu.EnabledRestore: boolean;
begin
Result := ((biMaximize in FOwner.Form.BorderIcons) and (FForm.WindowState <> wsNormal)) or
(FForm.WindowState = wsMinimized);
end;

function TsSystemMenu.EnabledSize: boolean;
begin
Result := (FForm.BorderStyle <> bsSingle) and not IsIconic(FForm.Handle);
end;

procedure TsSystemMenu.ExtClick(Sender: TObject);
begin
PostMessage(FForm.Handle, WM_SYSCOMMAND, TComponent(Sender).Tag, 0);
end;

procedure TsSystemMenu.Generate;
var
Menu : HMENU;
i, j : integer;
s : acString;
sCut : string;
TmpItem : TMenuItem;
function CreateSystemItem(const Caption : acString; const Name : string; EventProc : TNotifyEvent) : TMenuItem; begin
{$IFDEF TNTUNICODE}
Result := TTntMenuItem.Create(Self);
{$ELSE}
Result := TMenuItem.Create(Self);
{$ENDIF}
Result.Caption := Caption;
Result.OnClick := EventProc;
Result.Name := Name;
end;
function GetItemText(ID : Cardinal; var Caption : acString; var ShortCut : String; uFlag : Cardinal) : boolean;
var
Text: array[0..255] of acChar;
{$IFDEF TNTUNICODE}
ws : WideString;
{$ENDIF}
P : integer;
begin
{$IFDEF TNTUNICODE}
Result := GetMenuStringW(Menu, ID, Text, 256, uFlag) <> 0;
{$ELSE}
Result := GetMenuString(Menu, ID, Text, 256, uFlag) <> 0;
{$ENDIF}
if Result then begin
P := Pos(#9, Text);
if P = 0 then ShortCut := '' else begin
ShortCut := Copy(Text, P + 1, Length(Text) - P);
{$IFDEF TNTUNICODE}
ws := Text;
ws := Copy(ws, 1, P - 1);
Caption := ws;
Exit;
{$ELSE}
StrLCopy(Text, Text, P - 1);
{$ENDIF}
end;
Caption := Text;
end;
end;
begin
Items.Clear;
ExtItemsCount := 0;
Menu := GetSystemMenu(FForm.Handle, False);

if (Menu = 0) or not GetItemText(SC_RESTORE, s, sCut, MF_BYCOMMAND) then s := LoadStr(s_RestoreStr);
ItemRestore := CreateSystemItem(s, 'acIR', RestoreClick);
ItemRestore.Tag := SC_RESTORE;
Self.Items.Add(ItemRestore);

if (Menu = 0) or not GetItemText(SC_MOVE, s, sCut, MF_BYCOMMAND) then s := LoadStr(s_MoveStr);
ItemMove := CreateSystemItem(s, 'acIM', MoveClick);
Self.Items.Add(ItemMove);
ItemMove.Tag := SC_MOVE;

if (Menu = 0) or not GetItemText(SC_SIZE, s, sCut, MF_BYCOMMAND) then s := LoadStr(s_SizeStr);
ItemSize := CreateSystemItem(s, 'acIS', SizeClick);
Self.Items.Add(ItemSize);
ItemSize.Tag := SC_SIZE;

if (Menu = 0) or not GetItemText(SC_MINIMIZE, s, sCut, MF_BYCOMMAND) then s := LoadStr(s_MinimizeStr);
ItemMinimize := CreateSystemItem(s, 'acIN', MinClick);
Self.Items.Add(ItemMinimize);
ItemMinimize.Tag := SC_MINIMIZE;

if (Menu = 0) or not GetItemText(SC_MAXIMIZE, s, sCut, MF_BYCOMMAND) then s := LoadStr(s_MaximizeStr);
ItemMaximize := CreateSystemItem(s, 'acIX', MaxClick);
Self.Items.Add(ItemMaximize);
ItemMaximize.Tag := SC_MAXIMIZE;

Self.Items.InsertNewLineAfter(ItemMaximize);

i := GetMenuItemCount(Menu);
TmpItem := nil;
for i := 0 to i - 1 do begin
j := GetMenuItemID(Menu, i);
if (j < $F000) and GetItemText(i, s, sCut, MF_BYPOSITION) then begin // If some external menuitems are exists
{$IFDEF TNTUNICODE}
TmpItem := TTntMenuItem.Create(Self);
{$ELSE}
TmpItem := TMenuItem.Create(Self);
{$ENDIF}
TmpItem.Caption := s;
TmpItem.Tag := j;
if sCut <> '' then TmpItem.ShortCut := TextToShortCut(sCut);
TmpItem.OnClick := ExtClick;
Self.Items.Add(TmpItem);
inc(ExtItemsCount);
end;
end;
if ExtItemsCount > 0 then Self.Items.InsertNewLineAfter(TmpItem);

if (Menu = 0) or not GetItemText(SC_CLOSE, s, sCut, MF_BYCOMMAND) then s := LoadStr(s_CloseStr);
ItemClose := CreateSystemItem(s, 'acIC', CloseClick);
if sCut <> '' then ItemClose.ShortCut := TextToShortCut(sCut);
Self.Items.Add(ItemClose);
ItemClose.Tag := SC_CLOSE;
end;

procedure TsSystemMenu.MakeSkinItems;
var
sl : TacStringList;
i : integer;
SkinItem, TempItem : TMenuItem;
begin
if Assigned(FOwner.SkinData.SkinManager) then begin
sl := TacStringList.Create;
FOwner.SkinData.SkinManager.GetSkinNames(sl);

if sl.Count > 0 then begin
{$IFDEF TNTUNICODE}
SkinItem := TTntMenuItem.Create(Self);
{$ELSE}
SkinItem := TMenuItem.Create(Self);
{$ENDIF}
SkinItem.Caption := LoadStr(s_AvailSkins);
SkinItem.Name := s_SkinSelectItemName;
Self.Items.Insert(0, SkinItem);
Self.Items.InsertNewLineAfter(SkinItem);
for i := 0 to sl.Count - 1 do begin
{$IFDEF TNTUNICODE}
TempItem := TTntMenuItem.Create(Self);
{$ELSE}
TempItem := TMenuItem.Create(Self);
{$ENDIF}
TempItem.Caption := sl[i];
TempItem.OnClick := SkinSelect;
TempItem.Name := s_SkinSelectItemName + IntToStr(i);
TempItem.RadioItem := True;
if TempItem.Caption = FOwner.SkinData.SkinManager.SkinName then TempItem.Checked := True;
if (i <> 0) and (i mod 20 = 0) then TempItem.Break := mbBreak;
SkinItem.Add(TempItem);
end;
end;
FreeAndNil(sl);
end;
end;

procedure TsSystemMenu.MaxClick(Sender: TObject);
begin
Sendmessage(FForm.Handle, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
UpdateItems;
end;

procedure TsSystemMenu.MinClick(Sender: TObject);
begin
if (Application.MainForm = FForm) then begin
Application.Minimize;
FOwner.SystemMenu.UpdateItems;
end
else begin
SendMessage(FOwner.Form.Handle, WM_SYSCOMMAND, SC_MINIMIZE, 0);
end;
end;

procedure TsSystemMenu.MoveClick(Sender: TObject);
begin
Sendmessage(FForm.Handle, WM_SYSCOMMAND, SC_MOVE, 0);
end;

procedure TsSystemMenu.RestoreClick(Sender: TObject);
begin
Sendmessage(FForm.Handle, WM_SYSCOMMAND, SC_RESTORE, 0);
UpdateItems;
if (FOwner.Form.FormStyle = fsMDIChild) then begin
end;
end;

procedure TsSystemMenu.SizeClick(Sender: TObject);
begin
Sendmessage(FForm.Handle, WM_SYSCOMMAND, SC_SIZE, 0);
end;

procedure TsSystemMenu.SkinSelect(Sender: TObject);
begin
if Assigned(FOwner.SkinData.SkinManager) then begin
FOwner.SkinData.SkinManager.SkinName := DelChars(TMenuItem(Sender).Caption, '&');
end;
end;

procedure TsSystemMenu.UpdateGlyphs;
begin
//
end;

procedure TsSystemMenu.UpdateItems(Full : boolean = False);
begin
if Full then begin
Generate;
end;
if Assigned(Self) and Assigned(FForm) then begin
ItemRestore.Visible := VisibleRestore;
ItemMove.Visible := True;
ItemSize.Visible := VisibleSize;
ItemMinimize.Visible := VisibleMin;
ItemMaximize.Visible := VisibleMax;
ItemClose.Visible := VisibleClose;

ItemRestore.Enabled := EnabledRestore;
ItemMove.Enabled := EnabledMove;
ItemSize.Enabled := EnabledSize;
ItemMinimize.Enabled := EnabledMin;
ItemMaximize.Enabled := EnabledMax;
ItemClose.Enabled := True;
end;
end;

function TsSystemMenu.VisibleClose: boolean;
begin
Result := FOwner.HaveSysMenu;
{ Result := (biSystemMenu in FOwner.Form.BorderIcons);
Result := GetWindowLong(FOwner.Form.Handle, GWL_STYLE) and WS_SYSMENU = WS_SYSMENU;}
end;

function TsSystemMenu.VisibleMax: boolean;
begin
Result := False;
if (Self = nil) or not VisibleClose then Exit;

Result := IsIconic(Self.FForm.Handle) or (TForm(FForm).FormStyle = fsMDIChild) or
((FForm.BorderStyle <> bsDialog) and
((FForm.BorderStyle <> bsSingle) or (biMaximize in FOwner.Form.BorderIcons)) and
(FForm.BorderStyle <> bsNone) and
(FForm.BorderStyle <> bsSizeToolWin) and
(FForm.BorderStyle <> bsToolWindow) and VisibleClose) and (biMaximize in FOwner.Form.BorderIcons);
end;

function TsSystemMenu.VisibleMin: boolean;
begin
Result := False;
if (Self = nil) or not VisibleClose then Exit;
if IsIconic(FForm.Handle) or (TForm(FForm).FormStyle = fsMDIChild) then begin
Result := True
end
else begin
Result :=
(FForm.BorderStyle <> bsDialog) and
(FForm.BorderStyle <> bsNone) and
((FForm.BorderStyle <> bsSingle) or (biMinimize in FOwner.Form.BorderIcons)) and
(FForm.BorderStyle <> bsSizeToolWin) and
(FForm.BorderStyle <> bsToolWindow) and (biMinimize in FOwner.Form.BorderIcons) and VisibleClose;
end;
end;

function TsSystemMenu.VisibleRestore: boolean;
begin
Result := False;
if (Self = nil) or not VisibleClose then Exit;
Result := (TForm(FForm).FormStyle = fsMDIChild) or
((FForm.BorderStyle <> bsDialog) and
(FForm.BorderStyle <> bsNone) and
(FForm.BorderStyle <> bsSizeToolWin) and
(FForm.BorderStyle <> bsToolWindow)) and VisibleClose;
end;

function TsSystemMenu.VisibleSize: boolean;
begin
Result := False;
if Self = nil then Exit;
Result := (TForm(FForm).FormStyle = fsMDIChild) or
((FForm.BorderStyle <> bsDialog) and
(FForm.BorderStyle <> bsNone) and
(FForm.BorderStyle <> bsToolWindow));
end;

{ TsTitleIcon }

constructor TsTitleIcon.Create;
begin
FGlyph := TBitmap.Create;
FHeight := 0;
FWidth := 0;
end;

destructor TsTitleIcon.Destroy;
begin
FreeAndNil(FGlyph);
inherited Destroy;
end;

procedure TsTitleIcon.SetGlyph(const Value: TBitmap);
begin
FGlyph.Assign(Value);
end;

procedure TsTitleIcon.SetHeight(const Value: integer);
begin
FHeight := Value;
end;

procedure TsTitleIcon.SetWidth(const Value: integer);
begin
FWidth := Value;
end;

{ TsTitleButtons }

constructor TsTitleButtons.Create(AOwner: TsSkinProvider);
begin
inherited Create(TsTitleButton);
FOwner := AOwner;
end;

destructor TsTitleButtons.Destroy;
begin
FOwner := nil;
inherited Destroy;
end;

function TsTitleButtons.GetItem(Index: Integer): TsTitleButton;
begin
Result := TsTitleButton(inherited GetItem(Index))
end;

function TsTitleButtons.GetOwner: TPersistent;
begin
Result := FOwner;
end;

procedure TsTitleButtons.SetItem(Index: Integer; Value: TsTitleButton);
begin
inherited SetItem(Index, Value);
end;

procedure TsTitleButtons.Update(Item: TCollectionItem);
begin
inherited;
end;

{ TsTitleButton }

constructor TsTitleButton.Create(Collection: TCollection);
begin
FGlyph := TBitmap.Create;
FUseSkinData := True;
FEnabled := True;
inherited Create(Collection);
if FName = '' then FName := ClassName;
end;

destructor TsTitleButton.Destroy;
begin
FreeAndNil(FGlyph);
inherited Destroy;
end;

function TsTitleButton.GetDisplayName: string;
begin
Result := Name;
end;

procedure TsTitleButton.MouseDown(BtnIndex : integer; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
if Assigned(FOnMouseDown) then FOnMouseDown(Self, Button, Shift, X, Y);
end;

procedure TsTitleButton.MouseUp(BtnIndex : integer; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
if Assigned(FOnMouseUp) then FOnMouseUp(Self, Button, Shift, X, Y);
end;

procedure TsTitleButton.SetGlyph(const Value: TBitmap);
begin
FGlyph.Assign(Value);
end;

procedure TsTitleButton.SetName(const Value: string);
begin
if FName <> Value then FName := Value;
end;

{ TacCtrlAdapter }

procedure TacCtrlAdapter.AddNewItem(Ctrl: TWinControl);
begin
AddNewItem(Ctrl, DefaultSection);
end;

procedure TacCtrlAdapter.AddNewItem(Ctrl: TWinControl; const SkinSection: string);
var
i, Index, l : integer;
Found : boolean;
CanAdd : boolean;
s : string;
begin
if (Ctrl = nil) or (Ctrl.Tag = ExceptTag) then Exit;
if (Ctrl.Parent = nil) or GetBoolMsg(Ctrl, AC_CTRLHANDLED) then Exit;
CanAdd := True;
s := SkinSection;
if Assigned(Provider.OnSkinItem) then Provider.FOnSkinItem(Ctrl, CanAdd, s);
if not CanAdd then Exit;

{$IFNDEF ALITE}
if Ctrl is TFrame then begin
with TsFrameAdapter.Create(Ctrl) do SkinData.SkinSection := s_GroupBox;//s_CheckBox;
Exit;
end;
{$ENDIF}

Index := -1;
l := Length(Items);
Found := False;
for i := 0 to l - 1 do if (Items[i].Ctrl = Ctrl) then begin // If added in list already, then go to Exit
Index := i;
Found := True;
Break;
end;
if Index = -1 then begin
SetLength(Items, l + 1);
l := Length(Items);
Index := l - 1;
Items[Index] := TacAdapterItem.Create;
Items[Index].Adapter := Self;
Items[Index].Ctrl := Ctrl;
end;
Items[Index].SkinData.SkinSection := s;
if Found and Assigned(Items[Index].ScrollWnd) and Items[Index].ScrollWnd.Destroyed then begin
FreeAndNil(Items[Index].ScrollWnd);
if (Items[Index].Ctrl.Parent <> nil) then Items[Index].DoHook(Ctrl);
end
else if not Found then begin
if (Items[Index].Ctrl.Parent <> nil) then Items[Index].DoHook(Ctrl);
if Items[Index].ScrollWnd = nil then begin
FreeAndNil(Items[Index]);
SetLength(Items, Index);
end;
end;
end;

type
TacAccessWinCtrl = class(TWinControl);

procedure TacCtrlAdapter.AddAllItems(OwnerCtrl : TWinControl = nil);
var
i : integer;
sSection : string;
Owner : TWinControl;
begin
{$IFDEF CHECKXP}
{ Provider.StdBgIsUsed := False;
for i := 0 to Provider.Form.ControlCount - 1 do if (Provider.Form.Controls[i] is TWinControl) and TacAccessWinCtrl(Provider.Form.Controls[i]).ParentBackground then begin
Provider.StdBgIsUsed := True;
Break
end;}
{$ENDIF}

if bFlag or not (srThirdParty in Provider.SkinData.SkinManager.SkinningRules) then Exit;
bFlag := True;
if OwnerCtrl = nil then Owner := Provider.Form else Owner := OwnerCtrl;
if Owner = nil then Exit;
CleanItems;
for i := 0 to Owner.ComponentCount - 1 do begin
if IsControlSupported(Owner.Components[i]) then begin
if (Owner.Components[i] is TWinControl) then begin
sSection := s_Edit;
AddNewItem(TWinControl(Owner.Components[i]), sSection);
end
else if (Owner.Components[i] is TCustomLabel) and not (Owner.Components[i] is TsCustomLabel) then begin
TLabel(Owner.Components[i]).Transparent := True;
TLabel(Owner.Components[i]).Font.Color := DefaultManager.GetGlobalFontColor;
end;
end;
if (Owner.Components[i] is TWinControl) and TWinControl(Owner.Components[i]).HandleAllocated and (TWinControl(Owner.Components[i]).Parent <> nil) then begin
bFlag := False;
AddAllItems(TWinControl(Owner.Components[i])); // Recursion
end;
end;
for i := 0 to Owner.ControlCount - 1 do begin
if IsControlSupported(Owner.Controls[i]) then begin
if (Owner.Controls[i] is TWinControl) then begin
sSection := s_Edit;
AddNewItem(TWinControl(Owner.Controls[i]), sSection);
end
else if (Owner.Controls[i] is TLabel) then begin
TLabel(Owner.Controls[i]).Transparent := True;
TLabel(Owner.Controls[i]).Font.Color := DefaultManager.GetGlobalFontColor;
end;
end;
if (Owner.Controls[i] is TWinControl) and TWinControl(Owner.Controls[i]).HandleAllocated and (TWinControl(Owner.Controls[i]).Parent <> nil) then begin
bFlag := False;
AddAllItems(TWinControl(Owner.Controls[i])); // Recursion
end;
end;
bFlag := False;
end;

function TacCtrlAdapter.Count: integer;
begin
Result := Length(Items);
end;

destructor TacCtrlAdapter.Destroy;
begin
CleanItems;
RemoveAllItems;
inherited Destroy;
end;

function TacCtrlAdapter.GetCommonData(Index: integer): TsCommonData;
begin
Result := nil;
end;

function TacCtrlAdapter.GetItem(Index: integer) : TacAdapterItem;
begin
if (Index > -1) and (Index < Count) then Result := Items[Index] else Result := nil;
end;

function TacCtrlAdapter.IndexOf(Ctrl : TWinControl): integer;
var
i : integer;
begin
Result := -1;
for i := 0 to Length(Items) - 1 do if Items[i].Ctrl = Ctrl then begin
Result := i;
Exit;
end;
end;

procedure TacCtrlAdapter.RemoveItem(Index: integer);
var
l : integer;
begin
l := Count;
if (Index < l) and (l > 0) then begin
if Items[Index] <> nil then FreeAndNil(Items[Index]);
Items[Index] := Items[l - 1];
SetLength(Items, l - 1);
end;
end;

function TacCtrlAdapter.IsControlSupported(Control: TComponent): boolean;
var
i, j : integer;
CanAdd : boolean;
s : string;
begin
Result := False;
if (Control.Tag = ExceptTag) or ((Control is TWinControl) and not CtrlIsReadyForHook(TWinControl(Control))) then Exit;

if (Control is TWinControl) and GetBoolMsg(TWinControl(Control), AC_CTRLHANDLED) then Exit else if Control is TCustomLabel then begin
CanAdd := True;
s := '';
if Assigned(Provider.OnSkinItem) then Provider.FOnSkinItem(Control, CanAdd, s);
Result := CanAdd;
Exit;
end
else if not (Control is TGraphicControl) then begin
if Control is TFrame then begin
CanAdd := True;
s := '';
if Assigned(Provider.OnSkinItem) then Provider.FOnSkinItem(Control, CanAdd, s);
Result := CanAdd;
Exit;
end
else for j := 0 to Length(Provider.SkinData.SkinManager.ThirdLists) - 1 do begin
for i := 0 to Provider.SkinData.SkinManager.ThirdLists[j].Count - 1 do if Provider.SkinData.SkinManager.ThirdLists[j][i] = Control.ClassName then begin
Result := True;
Exit;
end;
end;
end;
end;

procedure TacCtrlAdapter.RemoveAllItems;
var
l : integer;
begin
if bRemoving then Exit;
bRemoving := True;
while Length(Items) > 0 do begin
l := Length(Items);
FreeAndNil(Items[l - 1]);
SetLength(Items, l - 1);
end;
bRemoving := False;
end;

procedure TacCtrlAdapter.WndProc(var Message: TMessage);
var
i : integer;
begin
try
for i := 0 to Length(Items) - 1 do if Items[i].ScrollWnd <> nil then
if not Items[i].ScrollWnd.Destroyed and (Items[i].Ctrl.Parent <> nil)
then SendMessage(Items[i].Ctrl.Handle, Message.Msg, Message.WParam, Message.LParam)
except
end;
end;

procedure TacCtrlAdapter.AfterConstruction;
begin
inherited;
end;

constructor TacCtrlAdapter.Create(AProvider: TsSkinProvider);
begin
Provider := AProvider;
Items := nil;
end;

procedure TacCtrlAdapter.CleanItems;
var
i, j : integer;
begin
i := 0;
while i < Length(Items) do begin
if (Items[i] = nil) or (Items[i].ScrollWnd = nil) or Items[i].ScrollWnd.Destroyed then begin
if Items[i] <> nil then FreeAndNil(Items[i]);
for j := i to Length(Items) - 2 do begin
Items[j] := Items[j + 1];
Items[j + 1] := nil;
end;
SetLength(Items, Length(Items) - 1);
end;
inc(i)
end;
end;

{ TacAdapterItem }
constructor TacAdapterItem.Create;
begin
inherited Create;
OldFontColor := -1;
SkinData := TsCommonData.Create(Self, True);
SkinData.COC := COC_TsAdapter;
ScrollWnd := nil;
end;

destructor TacAdapterItem.Destroy;
begin
if (ScrollWnd <> nil) then FreeAndNil(ScrollWnd);
FreeAndNil(SkinData);
inherited Destroy;
end;

procedure TacAdapterItem.DoHook(Control: TWinControl);
var
i, j : integer;
begin
if (Control.TabOrder = ExceptTag) or not CtrlIsReadyForHook(Control) then Exit;
if (Control.Parent <> nil) then if GetBoolMsg(Control, AC_CTRLHANDLED) then Exit;

Self.Ctrl := Control;
SkinData.FOwnerControl := Control;
SkinData.FOwnerObject := TObject(Control);
if (Control.Parent <> nil) then begin
for j := 0 to Length(SkinData.SkinManager.ThirdLists) - 1 do begin
for i := 0 to SkinData.SkinManager.ThirdLists[j].Count - 1 do if SkinData.SkinManager.ThirdLists[j][i] = Control.ClassName then begin
case j of
ord(tpEdit) : begin
ScrollWnd := TacEditWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Edit);
Exit;
end;
ord(tpButton) : begin
SkinData.SkinSection := s_Button;
ScrollWnd := TacBtnWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Button);
Exit;
end;
ord(tpBitBtn) : begin
SkinData.SkinSection := s_Button;
ScrollWnd := TacBitBtnWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Button);
Exit;
end;
ord(tpCheckBox) : begin
SkinData.SkinSection := s_CheckBox;
ScrollWnd := TacCheckBoxWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, '');
Exit;
end;
ord(tpComboBox) : begin
ScrollWnd := TacComboBoxWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Edit);
Exit;
end;
ord(tpGrid) : begin
ScrollWnd := TacGridWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Edit);
Exit;
end;
ord(tpGroupBox) : begin
SkinData.SkinSection := s_GroupBox;
ScrollWnd := TacGroupBoxWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, '');
Exit;
end;
ord(tpListView) : begin
ScrollWnd := TacListViewWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Edit);
Exit;
end;
ord(tpPanel) : begin
SkinData.SkinSection := s_Panel;
ScrollWnd := TacPanelWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Panel);
Exit;
end;
ord(tpTreeView) : begin
ScrollWnd := TacTreeViewWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Edit);
Exit;
end;
ord(tpwwEdit) : begin
ScrollWnd := TacWWComboBoxWnd.Create(Control, SkinData, SkinData.SkinManager, s_Edit);
Exit;
end;
ord(tpGridEh) : begin
ScrollWnd := TacGridEhWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Edit);
Exit;
end;
ord(tpVirtualTree) : begin
ScrollWnd := TacVirtualTreeViewWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_Edit);
Exit;
end;
ord(tpPageControl) : begin
SkinData.SkinSection := s_PageControl;
ScrollWnd := TacPageControlWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_PageControl);
Exit;
end;
ord(tpTabControl) : begin
SkinData.SkinSection := s_PageControl;
ScrollWnd := TacTabControlWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_PageControl);
Exit;
end;
ord(tpToolBar) : begin
SkinData.SkinSection := s_ToolBar;
ScrollWnd := TacToolBarVCLWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_ToolBar);
Exit;
end;
ord(tpStatusBar) : begin
SkinData.SkinSection := s_StatusBar;
ScrollWnd := TacStatusBarWnd.Create(Control.Handle, SkinData, SkinData.SkinManager, s_StatusBar);
Exit;
end;
end;
end;
end;
end;
end;

initialization

finalization
if hDWMAPI > 0 then FreeLibrary(hDWMAPI);

end.

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原文地址：https://www.cnblogs.com/zhangzhifeng/p/5796157.html