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 "user.h"
  12 #include "static.h"
  13
  14 extern void DEFWND_SetText( WND *wndPtr, LPSTR text );  /* windows/defwnd.c */
  15
  16 static void STATIC_PaintTextfn( WND *wndPtr, HDC hdc );
  17 static void STATIC_PaintRectfn( WND *wndPtr, HDC hdc );
  18 static void STATIC_PaintIconfn( WND *wndPtr, HDC hdc );
  19
  20
  21 static COLORREF color_windowframe, color_background, color_window;
  22
  23
  24 typedef void (*pfPaint)( WND *, HDC);
  25
  26 #define LAST_STATIC_TYPE  SS_LEFTNOWORDWRAP
  27
  28 static pfPaint staticPaintFunc[LAST_STATIC_TYPE+1] =
  29 {
  30     STATIC_PaintTextfn,      /* SS_LEFT */
  31     STATIC_PaintTextfn,      /* SS_CENTER */
  32     STATIC_PaintTextfn,      /* SS_RIGHT */
  33     STATIC_PaintIconfn,      /* SS_ICON */
  34     STATIC_PaintRectfn,      /* SS_BLACKRECT */
  35     STATIC_PaintRectfn,      /* SS_GRAYRECT */
  36     STATIC_PaintRectfn,      /* SS_WHITERECT */
  37     STATIC_PaintRectfn,      /* SS_BLACKFRAME */
  38     STATIC_PaintRectfn,      /* SS_GRAYFRAME */
  39     STATIC_PaintRectfn,      /* SS_WHITEFRAME */
  40     NULL,                    /* Not defined */
  41     STATIC_PaintTextfn,      /* SS_SIMPLE */
  42     STATIC_PaintTextfn       /* SS_LEFTNOWORDWRAP */
  43 };
  44
  45
  46 /***********************************************************************
  47  *           STATIC_SetIcon
  48  *
  49  * Set the icon for an SS_ICON control.
  50  */
  51 static HICON STATIC_SetIcon( WND *wndPtr, HICON hicon )
  52 {
  53     HICON prevIcon;
  54     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
  55
  56     if ((wndPtr->dwStyle & 0x0f) != SS_ICON) return 0;
  57     prevIcon = infoPtr->hIcon;
  58     infoPtr->hIcon = hicon;
  59     if (hicon)
  60     {
  61         CURSORICONINFO *info = (CURSORICONINFO *) GlobalLock16( hicon );
  62         SetWindowPos( wndPtr->hwndSelf, 0, 0, 0, info->nWidth, info->nHeight,
  63                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER );
  64         GlobalUnlock16( hicon );
  65     }
  66     return prevIcon;
  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                 {
  91                     HICON hicon = LoadIcon( createStruct->hInstance,
  92                                             createStruct->lpszName );
  93                     if (!hicon)  /* Try OEM icon (FIXME: is this right?) */
  94                         hicon = LoadIcon( 0, createStruct->lpszName );
  95                     STATIC_SetIcon( wndPtr, hicon );
  96                 }
  97                 return 1;
  98             }
  99             return DefWindowProc(hWnd, uMsg, wParam, lParam);
 100
 101         case WM_CREATE:
 102             if (style < 0L || style > LAST_STATIC_TYPE)
 103             {
 104                 fprintf( stderr, "STATIC: Unknown style 0x%02lx\n", style );
 105                 lResult = -1L;
 106                 break;
 107             }
 108             /* initialise colours */
 109             color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 110             color_background   = GetSysColor(COLOR_BACKGROUND);
 111             color_window       = GetSysColor(COLOR_WINDOW);
 112             break;
 113
 114         case WM_NCDESTROY:
 115             if (style == SS_ICON)
 116                 DestroyIcon( STATIC_SetIcon( wndPtr, 0 ) );
 117             else
 118                 lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
 119             break;
 120
 121         case WM_PAINT:
 122             {
 123                 PAINTSTRUCT ps;
 124                 BeginPaint( hWnd, &ps );
 125                 if (staticPaintFunc[style])
 126                     (staticPaintFunc[style])( wndPtr, ps.hdc );
 127                 EndPaint( hWnd, &ps );
 128             }
 129             break;
 130
 131         case WM_SYSCOLORCHANGE:
 132             color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 133             color_background   = GetSysColor(COLOR_BACKGROUND);
 134             color_window       = GetSysColor(COLOR_WINDOW);
 135             InvalidateRect(hWnd, NULL, TRUE);
 136             break;
 137
 138         case WM_SETTEXT:
 139             if (style == SS_ICON)
 140                 /* FIXME : should we also return the previous hIcon here ??? */
 141                 STATIC_SetIcon( wndPtr, LoadIcon( wndPtr->hInstance,
 142                                                   (SEGPTR)lParam ));
 143             else
 144                 DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(lParam) );
 145             InvalidateRect( hWnd, NULL, FALSE );
 146             UpdateWindow( hWnd );
 147             break;
 148
 149         case WM_SETFONT:
 150             if (style == SS_ICON) return 0;
 151             infoPtr->hFont = (HFONT)wParam;
 152             if (LOWORD(lParam))
 153             {
 154                 InvalidateRect( hWnd, NULL, FALSE );
 155                 UpdateWindow( hWnd );
 156             }
 157             break;
 158
 159         case WM_GETFONT:
 160             return infoPtr->hFont;
 161
 162         case WM_NCHITTEST:
 163             return HTTRANSPARENT;
 164
 165         case WM_GETDLGCODE:
 166             return DLGC_STATIC;
 167
 168         case STM_GETICON:
 169             return infoPtr->hIcon;
 170
 171         case STM_SETICON:
 172             lResult = STATIC_SetIcon( wndPtr, (HICON)wParam );
 173             InvalidateRect( hWnd, NULL, FALSE );
 174             UpdateWindow( hWnd );
 175             break;
 176
 177         default:
 178                 lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
 179                 break;
 180         }
 181
 182         return lResult;
 183 }
 184
 185
 186 static void STATIC_PaintTextfn( WND *wndPtr, HDC hdc )
 187 {
 188     RECT rc;
 189     HBRUSH hBrush;
 190     char *text;
 191     WORD wFormat;
 192
 193     LONG style = wndPtr->dwStyle;
 194     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
 195
 196     GetClientRect( wndPtr->hwndSelf, &rc);
 197     text = USER_HEAP_LIN_ADDR( wndPtr->hText );
 198
 199     switch (style & 0x0000000F)
 200     {
 201     case SS_LEFT:
 202         wFormat = DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK | DT_NOCLIP;
 203         break;
 204
 205     case SS_CENTER:
 206         wFormat = DT_CENTER | DT_EXPANDTABS | DT_WORDBREAK | DT_NOCLIP;
 207         break;
 208
 209     case SS_RIGHT:
 210         wFormat = DT_RIGHT | DT_EXPANDTABS | DT_WORDBREAK | DT_NOCLIP;
 211         break;
 212
 213     case SS_SIMPLE:
 214         wFormat = DT_LEFT | DT_SINGLELINE | DT_VCENTER | DT_NOCLIP;
 215         break;
 216
 217     case SS_LEFTNOWORDWRAP:
 218         wFormat = DT_LEFT | DT_SINGLELINE | DT_EXPANDTABS | DT_VCENTER | DT_NOCLIP;
 219         break;
 220
 221     default:
 222         return;
 223     }
 224
 225     if (style & SS_NOPREFIX)
 226         wFormat |= DT_NOPREFIX;
 227
 228     if (infoPtr->hFont) SelectObject( hdc, infoPtr->hFont );
 229 #ifdef WINELIB32
 230     hBrush = SendMessage( GetParent(wndPtr->hwndSelf), WM_CTLCOLORSTATIC,
 231                           hdc, wndPtr->hwndSelf );
 232 #else
 233     hBrush = SendMessage( GetParent(wndPtr->hwndSelf), WM_CTLCOLOR, (WORD)hdc,
 234                           MAKELONG(wndPtr->hwndSelf, CTLCOLOR_STATIC));
 235 #endif
 236     if (!hBrush) hBrush = GetStockObject(WHITE_BRUSH);
 237     FillRect(hdc, &rc, hBrush);
 238     if (text) DrawText( hdc, text, -1, &rc, wFormat );
 239 }
 240
 241 static void STATIC_PaintRectfn( WND *wndPtr, HDC hdc )
 242 {
 243     RECT rc;
 244     HBRUSH hBrush;
 245
 246     GetClientRect( wndPtr->hwndSelf, &rc);
 247
 248     switch (wndPtr->dwStyle & 0x0f)
 249     {
 250     case SS_BLACKRECT:
 251         hBrush = CreateSolidBrush(color_windowframe);
 252         FillRect( hdc, &rc, hBrush );
 253         break;
 254     case SS_GRAYRECT:
 255         hBrush = CreateSolidBrush(color_background);
 256         FillRect( hdc, &rc, hBrush );
 257         break;
 258     case SS_WHITERECT:
 259         hBrush = CreateSolidBrush(color_window);
 260         FillRect( hdc, &rc, hBrush );
 261         break;
 262     case SS_BLACKFRAME:
 263         hBrush = CreateSolidBrush(color_windowframe);
 264         FrameRect( hdc, &rc, hBrush );
 265         break;
 266     case SS_GRAYFRAME:
 267         hBrush = CreateSolidBrush(color_background);
 268         FrameRect( hdc, &rc, hBrush );
 269         break;
 270     case SS_WHITEFRAME:
 271         hBrush = CreateSolidBrush(color_window);
 272         FrameRect( hdc, &rc, hBrush );
 273         break;
 274     default:
 275         return;
 276     }
 277     DeleteObject( hBrush );
 278 }
 279
 280
 281 static void STATIC_PaintIconfn( WND *wndPtr, HDC hdc )
 282 {
 283     RECT        rc;
 284     HBRUSH      hbrush;
 285     STATICINFO *infoPtr = (STATICINFO *)wndPtr->wExtra;
 286
 287     GetClientRect( wndPtr->hwndSelf, &rc);
 288 #ifdef WINELIB32
 289     hbrush = SendMessage( GetParent(wndPtr->hwndSelf), WM_CTLCOLORSTATIC,
 290                           hdc, wndPtr->hwndSelf );
 291 #else
 292     hbrush = SendMessage( GetParent(wndPtr->hwndSelf), WM_CTLCOLOR, hdc,
 293                           MAKELONG(wndPtr->hwndSelf, CTLCOLOR_STATIC));
 294 #endif
 295     FillRect( hdc, &rc, hbrush );
 296     if (infoPtr->hIcon) DrawIcon( hdc, rc.left, rc.top, infoPtr->hIcon );
 297 }