controls/static.c

   1 /*
   2  * Static control
   3  *
   4  * Copyright  David W. Metcalfe, 1993
   5  *
   6  */
   7
   8 static char Copyright[] = "Copyright  David W. Metcalfe, 1993";
   9
  10 #include <stdio.h>
  11 #include <windows.h>
  12 #include "win.h"
  13 #include "user.h"
  14
  15 LONG StaticWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam);
  16
  17 static LONG PaintTextfn(HWND hwnd);
  18 static LONG PaintRectfn(HWND hwnd);
  19 static LONG PaintFramefn(HWND hwnd);
  20 static LONG PaintIconfn(HWND hwnd);
  21
  22
  23 static COLORREF color_windowframe, color_background, color_window,
  24                                                      color_windowtext;
  25
  26 #define NOTIFY_PARENT(hWndCntrl, wNotifyCode) \
  27         SendMessage(GetParent(hWndCntrl), WM_COMMAND, \
  28                     GetDlgCtrlID(hWndCntrl), MAKELPARAM(hWndCntrl, wNotifyCode));
  29 #define DIM(array)      ((sizeof array)/(sizeof array[0]))
  30
  31 typedef struct
  32 {
  33     LONG (*paintfn)();
  34 } STATICFN;
  35
  36 #define MAX_STATIC_TYPE  12
  37
  38 static STATICFN staticfn[MAX_STATIC_TYPE] =
  39 {
  40     { (LONG(*)())PaintTextfn },                    /* SS_LEFT */
  41     { (LONG(*)())PaintTextfn },                    /* SS_CENTER */
  42     { (LONG(*)())PaintTextfn },                    /* SS_RIGHT */
  43     { (LONG(*)())PaintIconfn },                    /* SS_ICON */
  44     { (LONG(*)())PaintRectfn },                    /* SS_BLACKRECT */
  45     { (LONG(*)())PaintRectfn },                    /* SS_GRAYRECT */
  46     { (LONG(*)())PaintRectfn },                    /* SS_WHITERECT */
  47     { (LONG(*)())PaintFramefn },                   /* SS_BLACKFRAME */
  48     { (LONG(*)())PaintFramefn },                   /* SS_GRAYFRAME */
  49     { (LONG(*)())PaintFramefn },                   /* SS_WHITEFRAME */
  50     { (LONG(*)())PaintTextfn },                    /* SS_SIMPLE */
  51     { (LONG(*)())PaintTextfn }                     /* SS_LEFTNOWORDWRAP */
  52 };
  53
  54
  55 LONG StaticWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam)
  56 {
  57         LONG lResult = 0;
  58         HDC hDC;
  59         RECT rc;
  60         LPSTR textPtr;
  61
  62         WND *wndPtr = WIN_FindWndPtr(hWnd);
  63         LONG style = wndPtr->dwStyle & 0x0000000F;
  64
  65         switch (uMsg) {
  66         case WM_ENABLE:
  67             InvalidateRect(hWnd, NULL, FALSE);
  68             break;
  69
  70         case WM_CREATE:
  71             if (style < 0L || style >= (LONG)DIM(staticfn)) {
  72                 lResult = -1L;
  73                 break;
  74                 }
  75             /* initialise colours */
  76             color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
  77             color_background   = GetSysColor(COLOR_BACKGROUND);
  78             color_window       = GetSysColor(COLOR_WINDOW);
  79             color_windowtext   = GetSysColor(COLOR_WINDOWTEXT);
  80             lResult = 0L;
  81             if (style == SS_ICON) {
  82 /*
  83                 SetWindowPos(hWnd, (HWND)NULL, 0, 0, 32, 32,
  84                                 SWP_NOZORDER | SWP_NOMOVE);
  85 */
  86                 }
  87             break;
  88
  89         case WM_PAINT:
  90             if (staticfn[style].paintfn)
  91                 (staticfn[style].paintfn)(hWnd);
  92             break;
  93
  94         case WM_SYSCOLORCHANGE:
  95             color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
  96             color_background   = GetSysColor(COLOR_BACKGROUND);
  97             color_window       = GetSysColor(COLOR_WINDOW);
  98             color_windowtext   = GetSysColor(COLOR_WINDOWTEXT);
  99             InvalidateRect(hWnd, NULL, TRUE);
 100             break;
 101
 102         case WM_SETTEXT:
 103             if (wndPtr->hText)
 104                 USER_HEAP_FREE(wndPtr->hText);
 105
 106             wndPtr->hText = USER_HEAP_ALLOC(GMEM_MOVEABLE,
 107                                             strlen((LPSTR)lParam) + 1);
 108             textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
 109             strcpy(textPtr, (LPSTR)lParam);
 110             InvalidateRect(hWnd, NULL, TRUE);
 111             break;
 112
 113         case WM_KEYDOWN:
 114         case WM_KEYUP:
 115         case WM_CHAR:
 116         case WM_LBUTTONDOWN:
 117         case WM_LBUTTONUP:
 118         case WM_MBUTTONDOWN:
 119         case WM_MBUTTONUP:
 120         case WM_RBUTTONDOWN:
 121         case WM_RBUTTONUP:
 122         case WM_MOUSEMOVE:
 123             return(SendMessage(wndPtr->hwndParent, uMsg, wParam, lParam));
 124
 125         default:
 126                 lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
 127                 break;
 128         }
 129
 130         GlobalUnlock(hWnd);
 131         return lResult;
 132 }
 133
 134
 135 static LONG PaintTextfn(HWND hwnd)
 136 {
 137     PAINTSTRUCT ps;
 138     RECT rc;
 139     HDC hdc;
 140     HBRUSH hBrush;
 141     HANDLE hText;
 142     char *text;
 143     int textlen;
 144     WORD wFormat;
 145
 146     WND *wndPtr = WIN_FindWndPtr(hwnd);
 147     LONG style = wndPtr->dwStyle;
 148
 149     hdc = BeginPaint(hwnd, &ps);
 150     GetClientRect(hwnd, &rc);
 151
 152     textlen = GetWindowTextLength(hwnd);
 153     hText = USER_HEAP_ALLOC(0, textlen+1);
 154     text = USER_HEAP_ADDR(hText);
 155     GetWindowText(hwnd, text, textlen+1);
 156
 157     switch (style & 0x0000000F)
 158     {
 159     case SS_LEFT:
 160         wFormat = DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK;
 161         break;
 162
 163     case SS_CENTER:
 164         wFormat = DT_CENTER | DT_EXPANDTABS | DT_WORDBREAK;
 165         break;
 166
 167     case SS_RIGHT:
 168         wFormat = DT_RIGHT | DT_EXPANDTABS | DT_WORDBREAK;
 169         break;
 170
 171     case SS_SIMPLE:
 172         wFormat = DT_LEFT | DT_SINGLELINE | DT_VCENTER;
 173         break;
 174
 175     case SS_LEFTNOWORDWRAP:
 176         wFormat = DT_LEFT | DT_SINGLELINE | DT_EXPANDTABS | DT_VCENTER;
 177         break;
 178     }
 179
 180     if (style & SS_NOPREFIX)
 181         wFormat |= DT_NOPREFIX;
 182
 183     hBrush = SendMessage(GetParent(hwnd), WM_CTLCOLOR, (WORD)hdc,
 184                     MAKELONG(hwnd, CTLCOLOR_STATIC));
 185     if (hBrush == (HBRUSH)NULL) hBrush = GetStockObject(WHITE_BRUSH);
 186     FillRect(hdc, &rc, hBrush);
 187     DrawText(hdc, text, textlen, &rc, wFormat);
 188
 189     USER_HEAP_FREE(hText);
 190     GlobalUnlock(hwnd);
 191     EndPaint(hwnd, &ps);
 192 }
 193
 194 static LONG PaintRectfn(HWND hwnd)
 195 {
 196     PAINTSTRUCT ps;
 197     RECT rc;
 198     HDC hdc;
 199     HPEN hOldPen, hPen;
 200     HBRUSH hOldBrush, hBrush;
 201
 202     WND *wndPtr = WIN_FindWndPtr(hwnd);
 203
 204     hdc = BeginPaint(hwnd, &ps);
 205     GetClientRect(hwnd, &rc);
 206
 207     switch (wndPtr->dwStyle & 0x0000000F)
 208     {
 209     case SS_BLACKRECT:
 210         hPen = CreatePen(PS_SOLID, 1, color_windowframe);
 211         hBrush = CreateSolidBrush(color_windowframe);
 212         break;
 213
 214     case SS_GRAYRECT:
 215         hPen = CreatePen(PS_SOLID, 1, color_background);
 216         hBrush = CreateSolidBrush(color_background);
 217         break;
 218
 219     case SS_WHITERECT:
 220         hPen = CreatePen(PS_SOLID, 1, color_window);
 221         hBrush = CreateSolidBrush(color_window);
 222         break;
 223     }
 224
 225     hOldPen = (HPEN)SelectObject(hdc, (HANDLE)hPen);
 226     hOldBrush = (HBRUSH)SelectObject(hdc, (HANDLE)hBrush);
 227     Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom);
 228
 229     SelectObject(hdc, (HANDLE)hOldPen);
 230     SelectObject(hdc, (HANDLE)hOldBrush);
 231     DeleteObject((HANDLE)hPen);
 232     DeleteObject((HANDLE)hBrush);
 233
 234     GlobalUnlock(hwnd);
 235     EndPaint(hwnd, &ps);
 236 }
 237
 238 static LONG PaintFramefn(HWND hwnd)
 239 {
 240     PAINTSTRUCT ps;
 241     RECT rc;
 242     HDC hdc;
 243     HPEN hOldPen, hPen;
 244     HBRUSH hOldBrush, hBrush;
 245
 246     WND *wndPtr = WIN_FindWndPtr(hwnd);
 247
 248     hdc = BeginPaint(hwnd, &ps);
 249     GetClientRect(hwnd, &rc);
 250
 251     switch (wndPtr->dwStyle & 0x0000000F)
 252     {
 253     case SS_BLACKFRAME:
 254         hPen = CreatePen(PS_SOLID, 1, color_windowframe);
 255         break;
 256
 257     case SS_GRAYFRAME:
 258         hPen = CreatePen(PS_SOLID, 1, color_background);
 259         break;
 260
 261     case SS_WHITEFRAME:
 262         hPen = CreatePen(PS_SOLID, 1, color_window);
 263         break;
 264     }
 265
 266     hBrush = CreateSolidBrush(color_window);
 267     hOldPen = (HPEN)SelectObject(hdc, (HANDLE)hPen);
 268     hOldBrush = (HBRUSH)SelectObject(hdc, (HANDLE)hBrush);
 269     Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom);
 270
 271     SelectObject(hdc, (HANDLE)hOldPen);
 272     SelectObject(hdc, (HANDLE)hOldBrush);
 273     DeleteObject((HANDLE)hPen);
 274     DeleteObject((HANDLE)hBrush);
 275
 276     GlobalUnlock(hwnd);
 277     EndPaint(hwnd, &ps);
 278 }
 279
 280
 281 static LONG PaintIconfn(HWND hwnd)
 282 {
 283     WND         *wndPtr;
 284     PAINTSTRUCT ps;
 285     RECT        rc;
 286     HDC         hdc;
 287     LPSTR       textPtr;
 288     HICON       hIcon;
 289
 290     wndPtr = WIN_FindWndPtr(hwnd);
 291     hdc = BeginPaint(hwnd, &ps);
 292     GetClientRect(hwnd, &rc);
 293     FillRect(hdc, &rc, GetStockObject(WHITE_BRUSH));
 294     textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
 295     printf("SS_ICON : textPtr='%8x' / left=%d top=%d right=%d bottom=%d \n",
 296                 textPtr, rc.left, rc.top, rc.right, rc.bottom);
 297 /*
 298     SetWindowPos(hwnd, (HWND)NULL, 0, 0, 32, 32,
 299                 SWP_NOZORDER | SWP_NOMOVE);
 300     GetClientRect(hwnd, &rc);
 301     printf("SS_ICON : textPtr='%s' / left=%d top=%d right=%d bottom=%d \n",
 302                 textPtr, rc.left, rc.top, rc.right, rc.bottom);
 303 */
 304     hIcon = LoadIcon(wndPtr->hInstance, textPtr);
 305     DrawIcon(hdc, rc.left, rc.top, hIcon);
 306     EndPaint(hwnd, &ps);
 307     GlobalUnlock(hwnd);
 308 }
 309
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