MiniGUI

CTRL_ICONVIEW

 

数据结构

图标项

typedef struct _IVITEMINFO

{

int nItem;    // 图标项的索引值

PBITMAP bmp;    // 图标项的图标

const char *label;     // 图标项的标签文字

DWORD addData;     // 图标项的附加信息

DWORD dwFlags;     // 保留

} IVITEMINFO

 

 

消息

添加图标项：IVITEMINFO ivii; HANDLE hIconItem = SendMessage (hIconView, IVM_ADDITEM, 0, (LPARAM)&ivii);

设置图标项长宽：int width; int height;  SendMessage (hIconView, IVM_SETITEMSIZE, width, height);

清空图标项：IVM_RESETCONTENT

删除图标项：IVM_DELITEM

设置图标项的绘制函数： IVM_SETITEMDRAW

设置滚动窗口的宽度：IVM_SETCONTWIDTH

设置滚动窗口的高度：IVM_SETCONTHEIGHT

设置图标项相关操作的一些回调函数：IVM_SETITEMOPS

获取图标型控件的边缘范围值：IVM_GETMARGINS

设置图标型控件的边缘范围值：IVM_SETMARGINS

获取图标型控件的左、上、右、下边缘值：IVM_GETLEFTMARGIN、IVM_GETTOPMARGIN、IVM_GETRIGHTMARGIN 和 IVM_GETBOTTOMMARGIN

获取内容区域的宽度和高度、可视区域的宽度和高度：IVM_GETCONTWIDTH、IVM_GETCONTHEIGHT、IVM_GETVISIBLEWIDTH 和 IVM_GETVISIBLEHEIGHT

设置滚动窗口的内容区域的大小：IVM_SETCONTRANGE

获取内容区域的当前位置值：IVM_GETCONTENTX 和 IVM_GETCONTENTY

设置内容区域的当前位置值，也就是在可视区域中移动内容区域到某个指定位置：IVM_SETCONTPOS

获取和设置控件的当前高亮图标项：IVM_GETCURSEL 和 IVM_SETCURSEL

选择一个列表项，被选中的项将高亮显示：IVM_SELECTITEM

显示一个图标项：IVM_SHOWITEM

选中一个图标项并使之可见：IVM_CHOOSEITEM，是 IVM_SELECTITEM 和 IVM_SHOWITEM消息的组合

设置图标项的初始操作：IVM_SETITEMINIT

设置图标项的销毁操作：IVM_SETITEMDESTROY

设置图标项的比较函数：IVM_SETITEMCMP

使内容区域中的某个位置点成为可见：IVM_MAKEPOSVISIBLE：对应 SVM_MAKEPOSVISIBLE 

获取滚动窗口的当前水平和垂直滚动值（点击滚动条箭头的滚动范围大小）：IVM_GETHSCROLLVAL 和 IVM_GETVSCROLLVAL

获取滚动窗口的当前水平和垂直页滚动值（翻页操作时的滚动范围大小）：IVM_GETHSCROLLPAGEVAL 和 IVM_GETVSCROLLPAGEVAL 

设置滚动窗口的水平和（或者）垂直滚动值：IVM_SETSCROLLVAL

设置滚动窗口的水平和（或者）垂直页滚动值：IVM_SETSCROLLPAGEVAL

对图标项进行一次性的排序：IVM_SORTITEMS

获取当前图标项的数量：IVM_GETITEMCOUNT

获取当前图标项的附加信息：IVM_GETITEMADDDATA

设置当前图标项的附加信息：IVM_SETITEMADDDATA

刷新一个图标项区域：IVM_REFRESHITEM

获取第一个可见的图标：IVM_GETFIRSTVISIBLEITEM

 

通知

LVN_SELCHANGE：当前高亮图表项发生改变

LVN_CLICKED：用户点击图标项

 

mg-samples的图标型控件示例

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>

#include <minigui/common.h>
#include <minigui/minigui.h>
#include <minigui/gdi.h>
#include <minigui/window.h>
#include <minigui/control.h>

#define add                                  "Add"
#define delete_                              "Delete"
#define my_friends                           "My Friends"

#define IDC_ICONVIEW    100
#define IDC_BT          200
#define IDC_BT2         300
#define IDC_BT3         400
#define IDC_BT4         500

#define IDC_ADD         600
#define IDC_DELETE      601

static HWND hIconView;

static BITMAP myicons [12];

static const char* iconfiles[12] =
{
    "./res/acroread.png",
    "./res/icons.png",
    "./res/looknfeel.png",
    "./res/package_games.png",
    "./res/tux.png",
    "./res/xemacs.png",
    "./res/gimp.png",
    "./res/kpilot.png",
    "./res/multimedia.png",
    "./res/realplayer.png",
    "./res/usb.png",
    "./res/xmms.png"
};

static const char *iconlabels[12] =
{
    "acroread",
    "icons",
    "looknfeel",
    "games",
    "tux",
    "xemacs",
    "gimp",
    "kpilot",
    "multimedia",
    "realplayer",
    "usb",
    "xmms"
};

#if 0
static void myDrawItem (HWND hWnd, GHANDLE hsvi, HDC hdc, RECT *rcDraw)
{
    const PBITMAP pbmp = (PBITMAP)iconview_get_item_bitmap (hsvi);
    const char *label = (const char*)iconview_get_item_label (hsvi);
    
    SetBkMode (hdc, BM_TRANSPARENT);
    SetTextColor (hdc, PIXEL_black);

    if (iconview_is_item_hilight(hWnd, hsvi)) {
        SetBrushColor (hdc, PIXEL_blue);
    }
    else {
        SetBrushColor (hdc, PIXEL_lightwhite);
    }
    FillBox (hdc, rcDraw->left, rcDraw->top, RECTWP(rcDraw), RECTHP(rcDraw));
    SetBkColor (hdc, PIXEL_blue);
    
    if (label) {
        RECT rcTxt = *rcDraw;
        rcTxt.top = rcTxt.bottom - GetWindowFont (hWnd)->size * 2;
        rcTxt.left = rcTxt.left - (GetWindowFont (hWnd)->size) + 2;

        DrawText (hdc, label, -1, &rcTxt, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
    }
    FillBoxWithBitmap (hdc, rcDraw->left, rcDraw->top, 0, 0, pbmp);
}
#endif

static int
BookProc (HWND hDlg, int message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    
    case MSG_INITDIALOG:
    {
        IVITEMINFO ivii;
        static int i = 0, j = 0;

        hIconView = GetDlgItem (hDlg, IDC_ICONVIEW);
        SetWindowBkColor (hIconView, PIXEL_lightwhite);
        SendMessage (hIconView, IVM_SETITEMSIZE, 55, 65);
        
        for (i = 0; i < TABLESIZE(myicons); i++) {
            memset (&ivii, 0, sizeof(IVITEMINFO));
            ivii.bmp = &myicons[i];
            ivii.nItem = 12 * j + i;
            ivii.label = iconlabels[i];
            ivii.addData = (DWORD)iconlabels[i];
            SendMessage (hIconView, IVM_ADDITEM, 0, (LPARAM)&ivii);
        }

        break;
    }

    case MSG_COMMAND:
    {
        int id = LOWORD (wParam);
        int code = HIWORD (wParam);

        switch (id) {
        case IDC_ICONVIEW:
            if (code == IVN_CLICKED) {
                int sel;
                sel = SendMessage (hIconView, IVM_GETCURSEL, 0, 0);
            }
            break;
        case IDC_ADD:
        {
            IVITEMINFO ivii;
            char buff [10];
            int idx;
            int count = SendMessage (hIconView, IVM_GETITEMCOUNT, 0, 0);
            
            sprintf (buff, "NewIcon%i", count);
            memset (&ivii, 0, sizeof (IVITEMINFO));
            ivii.bmp = &myicons [0];
            ivii.nItem = count;
            ivii.label = buff;
            ivii.addData = (DWORD)"NewIcon";

            idx = SendMessage (hIconView, IVM_ADDITEM, 0, (LPARAM)&ivii);
            SendMessage (hIconView, IVM_SETCURSEL, idx, 1);
            break;
        }

        case IDC_DELETE:
        {
            int sel = SendMessage (hIconView, IVM_GETCURSEL, 0, 0);
            int count = SendMessage (hIconView, IVM_GETITEMCOUNT, 0, 0);
            char *label = NULL;

            if (sel >= 0){
                label = (char *) SendMessage (hIconView, IVM_GETITEMADDDATA, sel, 0); 
                SendMessage (hIconView, IVM_DELITEM, sel, 0);
                if (sel == count - 1)
                    sel --;
                SendMessage (hIconView, IVM_SETCURSEL, sel, 1);
            }
            break;
        }

        } /* end command switch */
        break;
    }

    case MSG_KEYDOWN:
        if (wParam == SCANCODE_REMOVE) {
            int cursel = SendMessage (hIconView, IVM_GETCURSEL, 0, 0);
            
            if (cursel >= 0){
                SendMessage (hIconView, IVM_DELITEM, cursel, 0);
                SendMessage (hIconView, IVM_SETCURSEL, cursel, 0);
            }
        }
        break;

    case MSG_CLOSE:
    {
        EndDialog (hDlg, 0);
        return 0;
    }

    } /* end switch */

    return DefaultDialogProc (hDlg, message, wParam, lParam);
}

static CTRLDATA CtrlBook[] =
{
    {
        CTRL_ICONVIEW,
        WS_BORDER | WS_CHILD | WS_VISIBLE | WS_VSCROLL | WS_HSCROLL,
         10, 10, 200, 300,
        IDC_ICONVIEW,
        "",
        0
    },
    {
        CTRL_BUTTON,
        WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP,
        35, 330, 50, 30,
        IDC_ADD,
        add,
        0
    },
    {
        CTRL_BUTTON,
         WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
        145, 330, 50, 30,
        IDC_DELETE,
        delete_,
        0
    }
};

static DLGTEMPLATE DlgIcon =
{
    WS_BORDER | WS_CAPTION,
    WS_EX_NONE,
    0, 0, 230, 400,
    my_friends,
    0, 0,
    TABLESIZE(CtrlBook), CtrlBook,
    0
};

int MiniGUIMain (int argc, const char* argv[])
{
    int i;

#ifdef _MGRM_PROCESSES
    JoinLayer(NAME_DEF_LAYER , "iconview" , 0 , 0);
#endif
    
    for (i=0; i<TABLESIZE(myicons); i++) {
        LoadBitmap (HDC_SCREEN, &myicons[i], iconfiles[i]);
    }


    DialogBoxIndirectParam (&DlgIcon, HWND_DESKTOP, BookProc, 0L);

    return 0;
}

#ifdef _MGRM_THREADS
#include <minigui/dti.c>
#endif