controls/static.c

   1 /*
   2  * Static control
   3  *
   4  * Copyright  David W. Metcalfe, 1993
   5  *
   6  */
   7
   8 #include <stdio.h>
   9 #include "windows.h"
  10 #include "win.h"
  11 #include "static.h"
  12 #include "heap.h"
  13
  14 static void STATIC_PaintTextfn( WND *wndPtr, HDC32 hdc );
  15 static void STATIC_PaintRectfn( WND *wndPtr, HDC32 hdc );
  16 static void STATIC_PaintIconfn( WND *wndPtr, HDC32 hdc );
  17
  18
  19 static COLORREF color_windowframe, color_background, color_window;
  20
  21
  22 typedef void (*pfPaint)( WND *, HDC32 );
  23
  24 #define LAST_STATIC_TYPE  SS_LEFTNOWORDWRAP
  25
  26 static pfPaint staticPaintFunc[LAST_STATIC_TYPE+1] =
  27 {
  28     STATIC_PaintTextfn,      /* SS_LEFT */
  29     STATIC_PaintTextfn,      /* SS_CENTER */
  30     STATIC_PaintTextfn,      /* SS_RIGHT */
  31     STATIC_PaintIconfn,      /* SS_ICON */
  32     STATIC_PaintRectfn,      /* SS_BLACKRECT */
  33     STATIC_PaintRectfn,      /* SS_GRAYRECT */
  34     STATIC_PaintRectfn,      /* SS_WHITERECT */
  35     STATIC_PaintRectfn,      /* SS_BLACKFRAME */
  36     STATIC_PaintRectfn,      /* SS_GRAYFRAME */
  37     STATIC_PaintRectfn,      /* SS_WHITEFRAME */
  38     NULL,                    /* Not defined */
  39     STATIC_PaintTextfn,      /* SS_SIMPLE */
  40     STATIC_PaintTextfn       /* SS_LEFTNOWORDWRAP */
  41 };
  42
  43
  44 /***********************************************************************
  45  *           STATIC_SetIcon
  46  *
  47  * Set the icon for an SS_ICON control.
  48  */
  49 static HICON16 STATIC_SetIcon( WND *wndPtr, HICON16 hicon )
  50 {
  51     HICON16 prevIcon;
  52     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
  53     CURSORICONINFO *info = hicon?(CURSORICONINFO *) GlobalLock16( hicon ):NULL;
  54
  55     if ((wndPtr->dwStyle & 0x0f) != SS_ICON) return 0;
  56     if (hicon && !info) {
  57         fprintf(stderr,"STATIC_SetIcon: huh? hicon!=0, but info=0???\n");
  58         return 0;
  59     }
  60     prevIcon = infoPtr->hIcon;
  61     infoPtr->hIcon = hicon;
  62     if (hicon)
  63     {
  64         SetWindowPos32( wndPtr->hwndSelf, 0, 0, 0, info->nWidth, info->nHeight,
  65                         SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER );
  66         GlobalUnlock16( hicon );
  67     }
  68     return prevIcon;
  69 }
  70
  71
  72 /***********************************************************************
  73  *           STATIC_LoadIcon
  74  *
  75  * Load the icon for an SS_ICON control.
  76  */
  77 static HICON16 STATIC_LoadIcon( WND *wndPtr, LPCSTR name )
  78 {
  79     HICON16 hicon;
  80
  81     if (wndPtr->flags & WIN_ISWIN32)
  82     {
  83         hicon = LoadIcon32A( wndPtr->hInstance, name );
  84         if (!hicon)  /* Try OEM icon (FIXME: is this right?) */
  85             hicon = LoadIcon32A( 0, name );
  86     }
  87     else
  88     {
  89         LPSTR segname = SEGPTR_STRDUP(name);
  90         hicon = LoadIcon16( wndPtr->hInstance, SEGPTR_GET(segname) );
  91         if (!hicon)  /* Try OEM icon (FIXME: is this right?) */
  92             hicon = LoadIcon32A( 0, segname );
  93         SEGPTR_FREE(segname);
  94     }
  95     return hicon;
  96 }
  97
  98
  99 /***********************************************************************
 100  *           StaticWndProc
 101  */
 102 LRESULT WINAPI StaticWndProc( HWND32 hWnd, UINT32 uMsg, WPARAM32 wParam,
 103                               LPARAM lParam )
 104 {
 105     LRESULT lResult = 0;
 106     WND *wndPtr = WIN_FindWndPtr(hWnd);
 107     LONG style = wndPtr->dwStyle & 0x0000000F;
 108     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
 109
 110     switch (uMsg)
 111     {
 112     case WM_NCCREATE:
 113         if (style == SS_ICON)
 114         {
 115             CREATESTRUCT32A *cs = (CREATESTRUCT32A *)lParam;
 116             if (cs->lpszName)
 117                 STATIC_SetIcon( wndPtr,
 118                                 STATIC_LoadIcon( wndPtr, cs->lpszName ));
 119             return 1;
 120         }
 121         return DefWindowProc32A( hWnd, uMsg, wParam, lParam );
 122
 123     case WM_CREATE:
 124         if (style < 0L || style > LAST_STATIC_TYPE)
 125         {
 126             fprintf( stderr, "STATIC: Unknown style 0x%02lx\n", style );
 127             lResult = -1L;
 128             break;
 129         }
 130         /* initialise colours */
 131         color_windowframe  = GetSysColor32(COLOR_WINDOWFRAME);
 132         color_background   = GetSysColor32(COLOR_BACKGROUND);
 133         color_window       = GetSysColor32(COLOR_WINDOW);
 134         break;
 135
 136     case WM_NCDESTROY:
 137         if (style == SS_ICON)
 138             DestroyIcon32( STATIC_SetIcon( wndPtr, 0 ) );
 139         else
 140             lResult = DefWindowProc32A( hWnd, uMsg, wParam, lParam );
 141         break;
 142
 143     case WM_PAINT:
 144         {
 145             PAINTSTRUCT32 ps;
 146             BeginPaint32( hWnd, &ps );
 147             if (staticPaintFunc[style])
 148                 (staticPaintFunc[style])( wndPtr, ps.hdc );
 149             EndPaint32( hWnd, &ps );
 150         }
 151         break;
 152
 153     case WM_ENABLE:
 154         InvalidateRect32( hWnd, NULL, FALSE );
 155         break;
 156
 157     case WM_SYSCOLORCHANGE:
 158         color_windowframe  = GetSysColor32(COLOR_WINDOWFRAME);
 159         color_background   = GetSysColor32(COLOR_BACKGROUND);
 160         color_window       = GetSysColor32(COLOR_WINDOW);
 161         InvalidateRect32( hWnd, NULL, TRUE );
 162         break;
 163
 164     case WM_SETTEXT:
 165         if (style == SS_ICON)
 166             /* FIXME : should we also return the previous hIcon here ??? */
 167             STATIC_SetIcon( wndPtr, STATIC_LoadIcon( wndPtr, (LPCSTR)lParam ));
 168         else
 169             DEFWND_SetText( wndPtr, (LPCSTR)lParam );
 170         InvalidateRect32( hWnd, NULL, FALSE );
 171         UpdateWindow32( hWnd );
 172         break;
 173
 174     case WM_SETFONT:
 175         if (style == SS_ICON) return 0;
 176         infoPtr->hFont = (HFONT16)wParam;
 177         if (LOWORD(lParam))
 178         {
 179             InvalidateRect32( hWnd, NULL, FALSE );
 180             UpdateWindow32( hWnd );
 181         }
 182         break;
 183
 184     case WM_GETFONT:
 185         return infoPtr->hFont;
 186
 187     case WM_NCHITTEST:
 188         return HTTRANSPARENT;
 189
 190     case WM_GETDLGCODE:
 191         return DLGC_STATIC;
 192
 193     case STM_GETICON:
 194         return infoPtr->hIcon;
 195
 196     case STM_SETICON:
 197         lResult = STATIC_SetIcon( wndPtr, (HICON16)wParam );
 198         InvalidateRect32( hWnd, NULL, FALSE );
 199         UpdateWindow32( hWnd );
 200         break;
 201
 202     default:
 203         lResult = DefWindowProc32A(hWnd, uMsg, wParam, lParam);
 204         break;
 205     }
 206
 207     return lResult;
 208 }
 209
 210
 211 static void STATIC_PaintTextfn( WND *wndPtr, HDC32 hdc )
 212 {
 213     RECT32 rc;
 214     HBRUSH32 hBrush;
 215     WORD wFormat;
 216
 217     LONG style = wndPtr->dwStyle;
 218     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
 219
 220     GetClientRect32( wndPtr->hwndSelf, &rc);
 221
 222     switch (style & 0x0000000F)
 223     {
 224     case SS_LEFT:
 225         wFormat = DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK | DT_NOCLIP;
 226         break;
 227
 228     case SS_CENTER:
 229         wFormat = DT_CENTER | DT_EXPANDTABS | DT_WORDBREAK | DT_NOCLIP;
 230         break;
 231
 232     case SS_RIGHT:
 233         wFormat = DT_RIGHT | DT_EXPANDTABS | DT_WORDBREAK | DT_NOCLIP;
 234         break;
 235
 236     case SS_SIMPLE:
 237         wFormat = DT_LEFT | DT_SINGLELINE | DT_VCENTER | DT_NOCLIP;
 238         break;
 239
 240     case SS_LEFTNOWORDWRAP:
 241         wFormat = DT_LEFT | DT_SINGLELINE | DT_EXPANDTABS | DT_VCENTER | DT_NOCLIP;
 242         break;
 243
 244     default:
 245         return;
 246     }
 247
 248     if (style & SS_NOPREFIX)
 249         wFormat |= DT_NOPREFIX;
 250
 251     if (infoPtr->hFont) SelectObject32( hdc, infoPtr->hFont );
 252     hBrush = SendMessage32A( GetParent32(wndPtr->hwndSelf), WM_CTLCOLORSTATIC,
 253                              hdc, wndPtr->hwndSelf );
 254     if (!hBrush) hBrush = GetStockObject32(WHITE_BRUSH);
 255     FillRect32( hdc, &rc, hBrush );
 256     if (wndPtr->text) DrawText32A( hdc, wndPtr->text, -1, &rc, wFormat );
 257 }
 258
 259 static void STATIC_PaintRectfn( WND *wndPtr, HDC32 hdc )
 260 {
 261     RECT32 rc;
 262     HBRUSH32 hBrush;
 263
 264     GetClientRect32( wndPtr->hwndSelf, &rc);
 265
 266     switch (wndPtr->dwStyle & 0x0f)
 267     {
 268     case SS_BLACKRECT:
 269         hBrush = CreateSolidBrush32(color_windowframe);
 270         FillRect32( hdc, &rc, hBrush );
 271         break;
 272     case SS_GRAYRECT:
 273         hBrush = CreateSolidBrush32(color_background);
 274         FillRect32( hdc, &rc, hBrush );
 275         break;
 276     case SS_WHITERECT:
 277         hBrush = CreateSolidBrush32(color_window);
 278         FillRect32( hdc, &rc, hBrush );
 279         break;
 280     case SS_BLACKFRAME:
 281         hBrush = CreateSolidBrush32(color_windowframe);
 282         FrameRect32( hdc, &rc, hBrush );
 283         break;
 284     case SS_GRAYFRAME:
 285         hBrush = CreateSolidBrush32(color_background);
 286         FrameRect32( hdc, &rc, hBrush );
 287         break;
 288     case SS_WHITEFRAME:
 289         hBrush = CreateSolidBrush32(color_window);
 290         FrameRect32( hdc, &rc, hBrush );
 291         break;
 292     default:
 293         return;
 294     }
 295     DeleteObject32( hBrush );
 296 }
 297
 298
 299 static void STATIC_PaintIconfn( WND *wndPtr, HDC32 hdc )
 300 {
 301     RECT32 rc;
 302     HBRUSH32 hbrush;
 303     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
 304
 305     GetClientRect32( wndPtr->hwndSelf, &rc );
 306     hbrush = SendMessage32A( GetParent32(wndPtr->hwndSelf), WM_CTLCOLORSTATIC,
 307                              hdc, wndPtr->hwndSelf );
 308     FillRect32( hdc, &rc, hbrush );
 309     if (infoPtr->hIcon) DrawIcon32( hdc, rc.left, rc.top, infoPtr->hIcon );
 310 }