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

  1 #include <stdio.h>
  2 #include <stdlib.h>
  3 #include <string.h>
  4 #include <sys/stat.h>
  5 #include <sys/types.h>
  6 
  7 #include <minigui/common.h>
  8 #include <minigui/minigui.h>
  9 #include <minigui/gdi.h>
 10 #include <minigui/window.h>
 11 #include <minigui/control.h>
 12 
 13 #define add                                  "Add"
 14 #define delete_                              "Delete"
 15 #define my_friends                           "My Friends"
 16 
 17 #define IDC_ICONVIEW    100
 18 #define IDC_BT          200
 19 #define IDC_BT2         300
 20 #define IDC_BT3         400
 21 #define IDC_BT4         500
 22 
 23 #define IDC_ADD         600
 24 #define IDC_DELETE      601
 25 
 26 static HWND hIconView;
 27 
 28 static BITMAP myicons [12];
 29 
 30 static const char* iconfiles[12] =
 31 {
 32     "./res/acroread.png",
 33     "./res/icons.png",
 34     "./res/looknfeel.png",
 35     "./res/package_games.png",
 36     "./res/tux.png",
 37     "./res/xemacs.png",
 38     "./res/gimp.png",
 39     "./res/kpilot.png",
 40     "./res/multimedia.png",
 41     "./res/realplayer.png",
 42     "./res/usb.png",
 43     "./res/xmms.png"
 44 };
 45 
 46 static const char *iconlabels[12] =
 47 {
 48     "acroread",
 49     "icons",
 50     "looknfeel",
 51     "games",
 52     "tux",
 53     "xemacs",
 54     "gimp",
 55     "kpilot",
 56     "multimedia",
 57     "realplayer",
 58     "usb",
 59     "xmms"
 60 };
 61 
 62 #if 0
 63 static void myDrawItem (HWND hWnd, GHANDLE hsvi, HDC hdc, RECT *rcDraw)
 64 {
 65     const PBITMAP pbmp = (PBITMAP)iconview_get_item_bitmap (hsvi);
 66     const char *label = (const char*)iconview_get_item_label (hsvi);
 67     
 68     SetBkMode (hdc, BM_TRANSPARENT);
 69     SetTextColor (hdc, PIXEL_black);
 70 
 71     if (iconview_is_item_hilight(hWnd, hsvi)) {
 72         SetBrushColor (hdc, PIXEL_blue);
 73     }
 74     else {
 75         SetBrushColor (hdc, PIXEL_lightwhite);
 76     }
 77     FillBox (hdc, rcDraw->left, rcDraw->top, RECTWP(rcDraw), RECTHP(rcDraw));
 78     SetBkColor (hdc, PIXEL_blue);
 79     
 80     if (label) {
 81         RECT rcTxt = *rcDraw;
 82         rcTxt.top = rcTxt.bottom - GetWindowFont (hWnd)->size * 2;
 83         rcTxt.left = rcTxt.left - (GetWindowFont (hWnd)->size) + 2;
 84 
 85         DrawText (hdc, label, -1, &rcTxt, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
 86     }
 87     FillBoxWithBitmap (hdc, rcDraw->left, rcDraw->top, 0, 0, pbmp);
 88 }
 89 #endif
 90 
 91 static int
 92 BookProc (HWND hDlg, int message, WPARAM wParam, LPARAM lParam)
 93 {
 94     switch (message)
 95     {
 96     
 97     case MSG_INITDIALOG:
 98     {
 99         IVITEMINFO ivii;
100         static int i = 0, j = 0;
101 
102         hIconView = GetDlgItem (hDlg, IDC_ICONVIEW);
103         SetWindowBkColor (hIconView, PIXEL_lightwhite);
104         SendMessage (hIconView, IVM_SETITEMSIZE, 55, 65);
105         
106         for (i = 0; i < TABLESIZE(myicons); i++) {
107             memset (&ivii, 0, sizeof(IVITEMINFO));
108             ivii.bmp = &myicons[i];
109             ivii.nItem = 12 * j + i;
110             ivii.label = iconlabels[i];
111             ivii.addData = (DWORD)iconlabels[i];
112             SendMessage (hIconView, IVM_ADDITEM, 0, (LPARAM)&ivii);
113         }
114 
115         break;
116     }
117 
118     case MSG_COMMAND:
119     {
120         int id = LOWORD (wParam);
121         int code = HIWORD (wParam);
122 
123         switch (id) {
124         case IDC_ICONVIEW:
125             if (code == IVN_CLICKED) {
126                 int sel;
127                 sel = SendMessage (hIconView, IVM_GETCURSEL, 0, 0);
128             }
129             break;
130         case IDC_ADD:
131         {
132             IVITEMINFO ivii;
133             char buff [10];
134             int idx;
135             int count = SendMessage (hIconView, IVM_GETITEMCOUNT, 0, 0);
136             
137             sprintf (buff, "NewIcon%i", count);
138             memset (&ivii, 0, sizeof (IVITEMINFO));
139             ivii.bmp = &myicons [0];
140             ivii.nItem = count;
141             ivii.label = buff;
142             ivii.addData = (DWORD)"NewIcon";
143 
144             idx = SendMessage (hIconView, IVM_ADDITEM, 0, (LPARAM)&ivii);
145             SendMessage (hIconView, IVM_SETCURSEL, idx, 1);
146             break;
147         }
148 
149         case IDC_DELETE:
150         {
151             int sel = SendMessage (hIconView, IVM_GETCURSEL, 0, 0);
152             int count = SendMessage (hIconView, IVM_GETITEMCOUNT, 0, 0);
153             char *label = NULL;
154 
155             if (sel >= 0){
156                 label = (char *) SendMessage (hIconView, IVM_GETITEMADDDATA, sel, 0); 
157                 SendMessage (hIconView, IVM_DELITEM, sel, 0);
158                 if (sel == count - 1)
159                     sel --;
160                 SendMessage (hIconView, IVM_SETCURSEL, sel, 1);
161             }
162             break;
163         }
164 
165         } /* end command switch */
166         break;
167     }
168 
169     case MSG_KEYDOWN:
170         if (wParam == SCANCODE_REMOVE) {
171             int cursel = SendMessage (hIconView, IVM_GETCURSEL, 0, 0);
172             
173             if (cursel >= 0){
174                 SendMessage (hIconView, IVM_DELITEM, cursel, 0);
175                 SendMessage (hIconView, IVM_SETCURSEL, cursel, 0);
176             }
177         }
178         break;
179 
180     case MSG_CLOSE:
181     {
182         EndDialog (hDlg, 0);
183         return 0;
184     }
185 
186     } /* end switch */
187 
188     return DefaultDialogProc (hDlg, message, wParam, lParam);
189 }
190 
191 static CTRLDATA CtrlBook[] =
192 {
193     {
194         CTRL_ICONVIEW,
195         WS_BORDER | WS_CHILD | WS_VISIBLE | WS_VSCROLL | WS_HSCROLL,
196          10, 10, 200, 300,
197         IDC_ICONVIEW,
198         "",
199         0
200     },
201     {
202         CTRL_BUTTON,
203         WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON | WS_TABSTOP,
204         35, 330, 50, 30,
205         IDC_ADD,
206         add,
207         0
208     },
209     {
210         CTRL_BUTTON,
211          WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
212         145, 330, 50, 30,
213         IDC_DELETE,
214         delete_,
215         0
216     }
217 };
218 
219 static DLGTEMPLATE DlgIcon =
220 {
221     WS_BORDER | WS_CAPTION,
222     WS_EX_NONE,
223     0, 0, 230, 400,
224     my_friends,
225     0, 0,
226     TABLESIZE(CtrlBook), CtrlBook,
227     0
228 };
229 
230 int MiniGUIMain (int argc, const char* argv[])
231 {
232     int i;
233 
234 #ifdef _MGRM_PROCESSES
235     JoinLayer(NAME_DEF_LAYER , "iconview" , 0 , 0);
236 #endif
237     
238     for (i=0; i<TABLESIZE(myicons); i++) {
239         LoadBitmap (HDC_SCREEN, &myicons[i], iconfiles[i]);
240     }
241 
242 
243     DialogBoxIndirectParam (&DlgIcon, HWND_DESKTOP, BookProc, 0L);
244 
245     return 0;
246 }
247 
248 #ifdef _MGRM_THREADS
249 #include <minigui/dti.c>
250 #endif