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 /*  FIXME: is this OK?
  59     if (infoPtr->hIcon) DestroyIcon( infoPtr->hIcon ); */
  60     infoPtr->hIcon = hicon;
  61     if (hicon)
  62     {
  63         CURSORICONINFO *info = (CURSORICONINFO *) GlobalLock( hicon );
  64         SetWindowPos( hwnd, 0, 0, 0, info->nWidth, info->nHeight,
  65                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER );
  66         GlobalUnlock( hicon );
  67     }
  68 }
  69
  70
  71 /***********************************************************************
  72  *           StaticWndProc
  73  */
  74 LONG StaticWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
  75 {
  76         LONG lResult = 0;
  77         WND *wndPtr = WIN_FindWndPtr(hWnd);
  78         LONG style = wndPtr->dwStyle & 0x0000000F;
  79         STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
  80
  81         switch (uMsg) {
  82         case WM_ENABLE:
  83             InvalidateRect(hWnd, NULL, FALSE);
  84             break;
  85
  86         case WM_NCCREATE:
  87             if (style == SS_ICON)
  88             {
  89                 CREATESTRUCT * createStruct = (CREATESTRUCT *)PTR_SEG_TO_LIN(lParam);
  90                 if (createStruct->lpszName)
  91                     STATIC_SetIcon( hWnd, LoadIcon( createStruct->hInstance,
  92                                              (SEGPTR)createStruct->lpszName ));
  93                 return 1;
  94             }
  95             return DefWindowProc(hWnd, uMsg, wParam, lParam);
  96
  97         case WM_CREATE:
  98             if (style < 0L || style > LAST_STATIC_TYPE)
  99             {
 100                 fprintf( stderr, "STATIC: Unknown style 0x%02lx\n", style );
 101                 lResult = -1L;
 102                 break;
 103             }
 104             /* initialise colours */
 105             color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 106             color_background   = GetSysColor(COLOR_BACKGROUND);
 107             color_window       = GetSysColor(COLOR_WINDOW);
 108             break;
 109
 110         case WM_NCDESTROY:
 111             if (style == SS_ICON)
 112                 STATIC_SetIcon( hWnd, 0 );  /* Destroy the current icon */
 113             else
 114                 lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
 115             break;
 116
 117         case WM_PAINT:
 118             {
 119                 PAINTSTRUCT ps;
 120                 BeginPaint( hWnd, &ps );
 121                 if (staticPaintFunc[style])
 122                     (staticPaintFunc[style])( hWnd, ps.hdc );
 123                 EndPaint( hWnd, &ps );
 124             }
 125             break;
 126
 127         case WM_SYSCOLORCHANGE:
 128             color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 129             color_background   = GetSysColor(COLOR_BACKGROUND);
 130             color_window       = GetSysColor(COLOR_WINDOW);
 131             InvalidateRect(hWnd, NULL, TRUE);
 132             break;
 133
 134         case WM_SETTEXT:
 135             if (style == SS_ICON)
 136                 STATIC_SetIcon( hWnd, LoadIcon( wndPtr->hInstance,
 137                                                 (SEGPTR)lParam ));
 138             else
 139                 DEFWND_SetText( hWnd, (LPSTR)PTR_SEG_TO_LIN(lParam) );
 140             InvalidateRect( hWnd, NULL, FALSE );
 141             UpdateWindow( hWnd );
 142             break;
 143
 144         case WM_SETFONT:
 145             if (style == SS_ICON) return 0;
 146             infoPtr->hFont = (HFONT)wParam;
 147             if (LOWORD(lParam))
 148             {
 149                 InvalidateRect( hWnd, NULL, FALSE );
 150                 UpdateWindow( hWnd );
 151             }
 152             break;
 153
 154         case WM_GETFONT:
 155             return (LONG)infoPtr->hFont;
 156
 157         case WM_NCHITTEST:
 158             return HTTRANSPARENT;
 159
 160         case WM_GETDLGCODE:
 161             return DLGC_STATIC;
 162
 163         case STM_GETICON:
 164             return (LONG)infoPtr->hIcon;
 165
 166         case STM_SETICON:
 167             STATIC_SetIcon( hWnd, (HICON)wParam );
 168             InvalidateRect( hWnd, NULL, FALSE );
 169             UpdateWindow( hWnd );
 170             return 0;
 171
 172         default:
 173                 lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
 174                 break;
 175         }
 176
 177         return lResult;
 178 }
 179
 180
 181 static void PaintTextfn( HWND hwnd, HDC hdc )
 182 {
 183     RECT rc;
 184     HBRUSH hBrush;
 185     char *text;
 186     WORD wFormat;
 187
 188     WND *wndPtr = WIN_FindWndPtr(hwnd);
 189     LONG style = wndPtr->dwStyle;
 190     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
 191
 192     GetClientRect(hwnd, &rc);
 193     text = USER_HEAP_LIN_ADDR( wndPtr->hText );
 194
 195     switch (style & 0x0000000F)
 196     {
 197     case SS_LEFT:
 198         wFormat = DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK;
 199         break;
 200
 201     case SS_CENTER:
 202         wFormat = DT_CENTER | DT_EXPANDTABS | DT_WORDBREAK;
 203         break;
 204
 205     case SS_RIGHT:
 206         wFormat = DT_RIGHT | DT_EXPANDTABS | DT_WORDBREAK;
 207         break;
 208
 209     case SS_SIMPLE:
 210         wFormat = DT_LEFT | DT_SINGLELINE | DT_VCENTER;
 211         break;
 212
 213     case SS_LEFTNOWORDWRAP:
 214         wFormat = DT_LEFT | DT_SINGLELINE | DT_EXPANDTABS | DT_VCENTER;
 215         break;
 216
 217     default:
 218         return;
 219     }
 220
 221     if (style & SS_NOPREFIX)
 222         wFormat |= DT_NOPREFIX;
 223
 224     if (infoPtr->hFont) SelectObject( hdc, infoPtr->hFont );
 225 #ifdef WINELIB32
 226     hBrush = (HBRUSH)SendMessage( wndPtr->hwndParent, WM_CTLCOLORSTATIC,
 227                                   (WPARAM)hdc, (LPARAM)hwnd );
 228 #else
 229     hBrush = SendMessage( wndPtr->hwndParent, WM_CTLCOLOR, (WORD)hdc,
 230                           MAKELONG(hwnd, CTLCOLOR_STATIC));
 231 #endif
 232     if (hBrush == (HBRUSH)NULL) hBrush = GetStockObject(WHITE_BRUSH);
 233     FillRect(hdc, &rc, hBrush);
 234     if (text)
 235         DrawText(hdc, text, -1, &rc, wFormat);
 236 }
 237
 238 static void PaintRectfn( HWND hwnd, HDC hdc )
 239 {
 240     RECT rc;
 241     HBRUSH hBrush;
 242
 243     WND *wndPtr = WIN_FindWndPtr(hwnd);
 244
 245     GetClientRect(hwnd, &rc);
 246
 247     switch (wndPtr->dwStyle & 0x0f)
 248     {
 249     case SS_BLACKRECT:
 250         hBrush = CreateSolidBrush(color_windowframe);
 251         FillRect( hdc, &rc, hBrush );
 252         break;
 253     case SS_GRAYRECT:
 254         hBrush = CreateSolidBrush(color_background);
 255         FillRect( hdc, &rc, hBrush );
 256         break;
 257     case SS_WHITERECT:
 258         hBrush = CreateSolidBrush(color_window);
 259         FillRect( hdc, &rc, hBrush );
 260         break;
 261     case SS_BLACKFRAME:
 262         hBrush = CreateSolidBrush(color_windowframe);
 263         FrameRect( hdc, &rc, hBrush );
 264         break;
 265     case SS_GRAYFRAME:
 266         hBrush = CreateSolidBrush(color_background);
 267         FrameRect( hdc, &rc, hBrush );
 268         break;
 269     case SS_WHITEFRAME:
 270         hBrush = CreateSolidBrush(color_window);
 271         FrameRect( hdc, &rc, hBrush );
 272         break;
 273     default:
 274         return;
 275     }
 276     DeleteObject( hBrush );
 277 }
 278
 279
 280 static void PaintIconfn( HWND hwnd, HDC hdc )
 281 {
 282     RECT        rc;
 283     HBRUSH      hbrush;
 284     WND *wndPtr = WIN_FindWndPtr(hwnd);
 285     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
 286
 287     GetClientRect(hwnd, &rc);
 288 #ifdef WINELIB32
 289     hbrush = (HBRUSH)SendMessage( wndPtr->hwndParent, WM_CTLCOLORSTATIC,
 290                                   (WPARAM)hdc, (LPARAM)hwnd );
 291 #else
 292     hbrush = SendMessage( wndPtr->hwndParent, WM_CTLCOLOR, hdc,
 293                           MAKELONG(hwnd, CTLCOLOR_STATIC));
 294 #endif
 295     FillRect( hdc, &rc, hbrush );
 296     if (infoPtr->hIcon) DrawIcon( hdc, rc.left, rc.top, infoPtr->hIcon );
 297 }