controls/static.c

   1 /*
   2  * Static control
   3  *
   4  * Copyright  David W. Metcalfe, 1993
   5  *
   6 static char Copyright[] = "Copyright  David W. Metcalfe, 1993";
   7 */
   8
   9 #include <stdio.h>
  10 #include <windows.h>
  11 #include "win.h"
  12 #include "user.h"
  13 #include "static.h"
  14
  15 extern void DEFWND_SetText( HWND hwnd, LPSTR text );  /* windows/defwnd.c */
  16
  17 static void PaintTextfn( HWND hwnd, HDC hdc );
  18 static void PaintRectfn( HWND hwnd, HDC hdc );
  19 static void PaintIconfn( HWND hwnd, HDC hdc );
  20
  21
  22 static COLORREF color_windowframe, color_background, color_window;
  23
  24
  25 typedef void (*pfPaint)(HWND, HDC);
  26
  27 #define LAST_STATIC_TYPE  SS_LEFTNOWORDWRAP
  28
  29 static pfPaint staticPaintFunc[LAST_STATIC_TYPE+1] =
  30 {
  31     PaintTextfn,             /* SS_LEFT */
  32     PaintTextfn,             /* SS_CENTER */
  33     PaintTextfn,             /* SS_RIGHT */
  34     PaintIconfn,             /* SS_ICON */
  35     PaintRectfn,             /* SS_BLACKRECT */
  36     PaintRectfn,             /* SS_GRAYRECT */
  37     PaintRectfn,             /* SS_WHITERECT */
  38     PaintRectfn,             /* SS_BLACKFRAME */
  39     PaintRectfn,             /* SS_GRAYFRAME */
  40     PaintRectfn,             /* SS_WHITEFRAME */
  41     NULL,                    /* Not defined */
  42     PaintTextfn,             /* SS_SIMPLE */
  43     PaintTextfn              /* SS_LEFTNOWORDWRAP */
  44 };
  45
  46
  47 /***********************************************************************
  48  *           STATIC_SetIcon
  49  *
  50  * Set the icon for an SS_ICON control.
  51  */
  52 static void STATIC_SetIcon( HWND hwnd, HICON hicon )
  53 {
  54     WND *wndPtr = WIN_FindWndPtr( hwnd );
  55     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
  56
  57     if ((wndPtr->dwStyle & 0x0f) != SS_ICON) return;
  58     if (infoPtr->hIcon) DestroyIcon( infoPtr->hIcon );
  59     infoPtr->hIcon = hicon;
  60     if (hicon)
  61     {
  62         CURSORICONINFO *info = (CURSORICONINFO *) GlobalLock( hicon );
  63         SetWindowPos( hwnd, 0, 0, 0, info->nWidth, info->nHeight,
  64                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER );
  65         GlobalUnlock( hicon );
  66     }
  67 }
  68
  69
  70 /***********************************************************************
  71  *           StaticWndProc
  72  */
  73 LONG StaticWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
  74 {
  75         LONG lResult = 0;
  76         WND *wndPtr = WIN_FindWndPtr(hWnd);
  77         LONG style = wndPtr->dwStyle & 0x0000000F;
  78         STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
  79
  80         switch (uMsg) {
  81         case WM_ENABLE:
  82             InvalidateRect(hWnd, NULL, FALSE);
  83             break;
  84
  85         case WM_NCCREATE:
  86             if (style == SS_ICON)
  87             {
  88                 CREATESTRUCT * createStruct = (CREATESTRUCT *)PTR_SEG_TO_LIN(lParam);
  89                 if (createStruct->lpszName)
  90                     STATIC_SetIcon( hWnd, LoadIcon( createStruct->hInstance,
  91                                              (SEGPTR)createStruct->lpszName ));
  92                 return 1;
  93             }
  94             return DefWindowProc(hWnd, uMsg, wParam, lParam);
  95
  96         case WM_CREATE:
  97             if (style < 0L || style > LAST_STATIC_TYPE)
  98             {
  99                 fprintf( stderr, "STATIC: Unknown style 0x%02lx\n", style );
 100                 lResult = -1L;
 101                 break;
 102             }
 103             /* initialise colours */
 104             color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 105             color_background   = GetSysColor(COLOR_BACKGROUND);
 106             color_window       = GetSysColor(COLOR_WINDOW);
 107             break;
 108
 109         case WM_NCDESTROY:
 110             if (style == SS_ICON)
 111                 STATIC_SetIcon( hWnd, 0 );  /* Destroy the current icon */
 112             else
 113                 lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
 114             break;
 115
 116         case WM_PAINT:
 117             {
 118                 PAINTSTRUCT ps;
 119                 BeginPaint( hWnd, &ps );
 120                 if (staticPaintFunc[style])
 121                     (staticPaintFunc[style])( hWnd, ps.hdc );
 122                 EndPaint( hWnd, &ps );
 123             }
 124             break;
 125
 126         case WM_SYSCOLORCHANGE:
 127             color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 128             color_background   = GetSysColor(COLOR_BACKGROUND);
 129             color_window       = GetSysColor(COLOR_WINDOW);
 130             InvalidateRect(hWnd, NULL, TRUE);
 131             break;
 132
 133         case WM_SETTEXT:
 134             if (style == SS_ICON)
 135                 STATIC_SetIcon( hWnd, LoadIcon( wndPtr->hInstance,
 136                                                 (SEGPTR)lParam ));
 137             else
 138                 DEFWND_SetText( hWnd, (LPSTR)PTR_SEG_TO_LIN(lParam) );
 139             InvalidateRect( hWnd, NULL, FALSE );
 140             UpdateWindow( hWnd );
 141             break;
 142
 143         case WM_SETFONT:
 144             if (style == SS_ICON) return 0;
 145             infoPtr->hFont = (HFONT)wParam;
 146             if (LOWORD(lParam))
 147             {
 148                 InvalidateRect( hWnd, NULL, FALSE );
 149                 UpdateWindow( hWnd );
 150             }
 151             break;
 152
 153         case WM_GETFONT:
 154             return (LONG)infoPtr->hFont;
 155
 156         case WM_NCHITTEST:
 157             return HTTRANSPARENT;
 158
 159         case WM_GETDLGCODE:
 160             return DLGC_STATIC;
 161
 162         case STM_GETICON:
 163             return (LONG)infoPtr->hIcon;
 164
 165         case STM_SETICON:
 166             STATIC_SetIcon( hWnd, (HICON)wParam );
 167             InvalidateRect( hWnd, NULL, FALSE );
 168             UpdateWindow( hWnd );
 169             return 0;
 170
 171         default:
 172                 lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
 173                 break;
 174         }
 175
 176         return lResult;
 177 }
 178
 179
 180 static void PaintTextfn( HWND hwnd, HDC hdc )
 181 {
 182     RECT rc;
 183     HBRUSH hBrush;
 184     char *text;
 185     WORD wFormat;
 186
 187     WND *wndPtr = WIN_FindWndPtr(hwnd);
 188     LONG style = wndPtr->dwStyle;
 189     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
 190
 191     GetClientRect(hwnd, &rc);
 192     text = USER_HEAP_LIN_ADDR( wndPtr->hText );
 193
 194     switch (style & 0x0000000F)
 195     {
 196     case SS_LEFT:
 197         wFormat = DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK;
 198         break;
 199
 200     case SS_CENTER:
 201         wFormat = DT_CENTER | DT_EXPANDTABS | DT_WORDBREAK;
 202         break;
 203
 204     case SS_RIGHT:
 205         wFormat = DT_RIGHT | DT_EXPANDTABS | DT_WORDBREAK;
 206         break;
 207
 208     case SS_SIMPLE:
 209         wFormat = DT_LEFT | DT_SINGLELINE | DT_VCENTER;
 210         break;
 211
 212     case SS_LEFTNOWORDWRAP:
 213         wFormat = DT_LEFT | DT_SINGLELINE | DT_EXPANDTABS | DT_VCENTER;
 214         break;
 215
 216     default:
 217         return;
 218     }
 219
 220     if (style & SS_NOPREFIX)
 221         wFormat |= DT_NOPREFIX;
 222
 223     if (infoPtr->hFont) SelectObject( hdc, infoPtr->hFont );
 224 #ifdef WINELIB32
 225     hBrush = (HBRUSH)SendMessage( wndPtr->hwndParent, WM_CTLCOLORSTATIC,
 226                                   (WPARAM)hdc, (LPARAM)hwnd );
 227 #else
 228     hBrush = SendMessage( wndPtr->hwndParent, WM_CTLCOLOR, (WORD)hdc,
 229                           MAKELONG(hwnd, CTLCOLOR_STATIC));
 230 #endif
 231     if (hBrush == (HBRUSH)NULL) hBrush = GetStockObject(WHITE_BRUSH);
 232     FillRect(hdc, &rc, hBrush);
 233     if (text)
 234         DrawText(hdc, text, -1, &rc, wFormat);
 235 }
 236
 237 static void PaintRectfn( HWND hwnd, HDC hdc )
 238 {
 239     RECT rc;
 240     HBRUSH hBrush;
 241
 242     WND *wndPtr = WIN_FindWndPtr(hwnd);
 243
 244     GetClientRect(hwnd, &rc);
 245
 246     switch (wndPtr->dwStyle & 0x0f)
 247     {
 248     case SS_BLACKRECT:
 249         hBrush = CreateSolidBrush(color_windowframe);
 250         FillRect( hdc, &rc, hBrush );
 251         break;
 252     case SS_GRAYRECT:
 253         hBrush = CreateSolidBrush(color_background);
 254         FillRect( hdc, &rc, hBrush );
 255         break;
 256     case SS_WHITERECT:
 257         hBrush = CreateSolidBrush(color_window);
 258         FillRect( hdc, &rc, hBrush );
 259         break;
 260     case SS_BLACKFRAME:
 261         hBrush = CreateSolidBrush(color_windowframe);
 262         FrameRect( hdc, &rc, hBrush );
 263         break;
 264     case SS_GRAYFRAME:
 265         hBrush = CreateSolidBrush(color_background);
 266         FrameRect( hdc, &rc, hBrush );
 267         break;
 268     case SS_WHITEFRAME:
 269         hBrush = CreateSolidBrush(color_window);
 270         FrameRect( hdc, &rc, hBrush );
 271         break;
 272     default:
 273         return;
 274     }
 275     DeleteObject( hBrush );
 276 }
 277
 278
 279 static void PaintIconfn( HWND hwnd, HDC hdc )
 280 {
 281     RECT        rc;
 282     HBRUSH      hbrush;
 283     WND *wndPtr = WIN_FindWndPtr(hwnd);
 284     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
 285
 286     GetClientRect(hwnd, &rc);
 287 #ifdef WINELIB32
 288     hbrush = (HBRUSH)SendMessage( wndPtr->hwndParent, WM_CTLCOLORSTATIC,
 289                                   (WPARAM)hdc, (LPARAM)hwnd );
 290 #else
 291     hbrush = SendMessage( wndPtr->hwndParent, WM_CTLCOLOR, hdc,
 292                           MAKELONG(hwnd, CTLCOLOR_STATIC));
 293 #endif
 294     FillRect( hdc, &rc, hbrush );
 295     if (infoPtr->hIcon) DrawIcon( hdc, rc.left, rc.top, infoPtr->hIcon );
 296 }