reactos/dll/cpl/desk/preview.c

   1 /*
   2  * PROJECT:     ReactOS Timedate Control Panel
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        lib/cpl/desk/preview.c
   5  * PURPOSE:     Draws the preview control
   6  * COPYRIGHT:   Copyright 2006 Eric Kohl
   7  */
   8
   9 #include "desk.h"
  10 #include "preview.h"
  11
  12 static const TCHAR szPreviewWndClass[] = TEXT("PreviewWndClass");
  13
  14 typedef struct _PREVIEW_DATA
  15 {
  16     DWORD clrDesktop;
  17     HBRUSH hbrDesktop;
  18
  19     DWORD clrWindow;
  20     HBRUSH hbrWindow;
  21
  22     INT cxEdge;
  23     INT cyEdge;
  24
  25     INT cyCaption;
  26
  27     RECT rcDesktop;
  28     RECT rcInactiveFrame;
  29     RECT rcInactiveCaption;
  30
  31     RECT rcActiveFrame;
  32     RECT rcActiveCaption;
  33     RECT rcActiveClient;
  34     RECT rcActiveScroll;
  35
  36     RECT rcDialogFrame;
  37     RECT rcDialogCaption;
  38     RECT rcDialogClient;
  39
  40     RECT rcDialogButton;
  41
  42     LOGFONT CaptionFont;
  43     LOGFONT DialogFont;
  44     LOGFONT MenuFont;
  45
  46 } PREVIEW_DATA, *PPREVIEW_DATA;
  47
  48
  49 static VOID
  50 DrawCaptionButtons(HDC hdc, LPRECT lpRect, BOOL bMinMax)
  51 {
  52     RECT rc3;
  53     RECT rc4;
  54     RECT rc5;
  55
  56     rc3.left = lpRect->right - 2 - 16;
  57     rc3.top = lpRect->top + 2;
  58     rc3.right = lpRect->right - 2;
  59     rc3.bottom = lpRect->bottom - 2;
  60
  61     DrawFrameControl(hdc, &rc3, DFC_CAPTION, DFCS_CAPTIONCLOSE);
  62
  63     if (bMinMax)
  64     {
  65         rc4.left = rc3.left - 16 - 2;
  66         rc4.top = rc3.top;
  67         rc4.right = rc3.right - 16 - 2;
  68         rc4.bottom = rc3.bottom;
  69
  70         DrawFrameControl(hdc, &rc4, DFC_CAPTION, DFCS_CAPTIONMAX);
  71
  72         rc5.left = rc4.left - 16;
  73         rc5.top = rc4.top;
  74         rc5.right = rc4.right - 16;
  75         rc5.bottom = rc4.bottom;
  76
  77         DrawFrameControl(hdc, &rc5, DFC_CAPTION, DFCS_CAPTIONMIN);
  78     }
  79 }
  80
  81
  82 static VOID
  83 OnSize(INT cx, INT cy, PPREVIEW_DATA pPreviewData)
  84 {
  85     int width, height;
  86
  87     /* Get Desktop rectangle */
  88     pPreviewData->rcDesktop.left = 0;
  89     pPreviewData->rcDesktop.top = 0;
  90     pPreviewData->rcDesktop.right = cx;
  91     pPreviewData->rcDesktop.bottom = cy;
  92
  93     /* Calculate the inactive window rectangle */
  94     pPreviewData->rcInactiveFrame.left = pPreviewData->rcDesktop.left + 8;
  95     pPreviewData->rcInactiveFrame.top = pPreviewData->rcDesktop.top + 8;
  96     pPreviewData->rcInactiveFrame.right = pPreviewData->rcDesktop.right - 25;
  97     pPreviewData->rcInactiveFrame.bottom = pPreviewData->rcDesktop.bottom - 30;
  98
  99     /* Calculate the inactive caption rectangle */
 100     pPreviewData->rcInactiveCaption.left = pPreviewData->rcInactiveFrame.left + pPreviewData->cxEdge + 1/*3*/ + 1;
 101     pPreviewData->rcInactiveCaption.top = pPreviewData->rcInactiveFrame.top + pPreviewData->cyEdge + 1/*3*/ + 1;
 102     pPreviewData->rcInactiveCaption.right = pPreviewData->rcInactiveFrame.right - pPreviewData->cxEdge - 1/*3*/ - 1;
 103     pPreviewData->rcInactiveCaption.bottom = pPreviewData->rcInactiveFrame.top + pPreviewData->cyCaption /*20*/ + 2;
 104
 105     /* Calculate the active window rectangle */
 106     pPreviewData->rcActiveFrame.left = pPreviewData->rcInactiveFrame.left + 3 + 1;
 107     pPreviewData->rcActiveFrame.top = pPreviewData->rcInactiveCaption.bottom + 2;
 108     pPreviewData->rcActiveFrame.right = pPreviewData->rcDesktop.right - 10;
 109     pPreviewData->rcActiveFrame.bottom = pPreviewData->rcDesktop.bottom - 25;
 110
 111     /* Calculate the active caption rectangle */
 112     pPreviewData->rcActiveCaption.left = pPreviewData->rcActiveFrame.left + 3 + 1;
 113     pPreviewData->rcActiveCaption.top = pPreviewData->rcActiveFrame.top + 3 + 1;
 114     pPreviewData->rcActiveCaption.right = pPreviewData->rcActiveFrame.right - 3 - 1;
 115     pPreviewData->rcActiveCaption.bottom = pPreviewData->rcActiveFrame.top + pPreviewData->cyCaption/*20*/ + 2;
 116
 117     /* FIXME: Calculate the active menu bar rectangle */
 118
 119     /* Calculate the active client rectangle */
 120     pPreviewData->rcActiveClient.left = pPreviewData->rcActiveFrame.left + 3 + 1;
 121     pPreviewData->rcActiveClient.top = pPreviewData->rcActiveCaption.bottom + 20 + 2;
 122     pPreviewData->rcActiveClient.right = pPreviewData->rcActiveFrame.right - 3 - 1;
 123     pPreviewData->rcActiveClient.bottom = pPreviewData->rcActiveFrame.bottom - 3 - 1;
 124
 125     /* Calculate the active scroll rectangle */
 126     pPreviewData->rcActiveScroll.left = pPreviewData->rcActiveClient.right - 2 - 16;
 127     pPreviewData->rcActiveScroll.top = pPreviewData->rcActiveClient.top + 2;
 128     pPreviewData->rcActiveScroll.right = pPreviewData->rcActiveClient.right - 2;
 129     pPreviewData->rcActiveScroll.bottom = pPreviewData->rcActiveClient.bottom - 2;
 130
 131
 132     /* Dialog window */
 133     pPreviewData->rcDialogFrame.left = pPreviewData->rcActiveClient.left + 4;
 134     pPreviewData->rcDialogFrame.top = (pPreviewData->rcDesktop.bottom * 60) / 100;
 135     pPreviewData->rcDialogFrame.right = (pPreviewData->rcDesktop.right * 65) / 100;
 136     pPreviewData->rcDialogFrame.bottom = pPreviewData->rcDesktop.bottom - 5;
 137
 138     /* Calculate the dialog caption rectangle */
 139     pPreviewData->rcDialogCaption.left = pPreviewData->rcDialogFrame.left + 3;
 140     pPreviewData->rcDialogCaption.top = pPreviewData->rcDialogFrame.top + 3;
 141     pPreviewData->rcDialogCaption.right = pPreviewData->rcDialogFrame.right - 3;
 142     pPreviewData->rcDialogCaption.bottom = pPreviewData->rcDialogFrame.top + 20 + 2;
 143
 144     /* Calculate the dialog client rectangle */
 145     pPreviewData->rcDialogClient.left = pPreviewData->rcDialogFrame.left + 3;
 146     pPreviewData->rcDialogClient.top = pPreviewData->rcDialogCaption.bottom + 1;
 147     pPreviewData->rcDialogClient.right = pPreviewData->rcDialogFrame.right - 3;
 148     pPreviewData->rcDialogClient.bottom = pPreviewData->rcDialogFrame.bottom - 3;
 149
 150     /* Calculate the dialog button rectangle */
 151     width = 80;
 152     height = 28;
 153
 154     pPreviewData->rcDialogButton.left =
 155         (pPreviewData->rcDialogClient.right + pPreviewData->rcDialogClient.left - width) / 2;
 156     pPreviewData->rcDialogButton.right = pPreviewData->rcDialogButton.left + width;
 157     pPreviewData->rcDialogButton.bottom = pPreviewData->rcDialogClient.bottom - 2;
 158     pPreviewData->rcDialogButton.top = pPreviewData->rcDialogButton.bottom - height;
 159 }
 160
 161
 162 static VOID
 163 DrawScrollbar(HDC hdc, LPRECT rc)
 164 {
 165
 166 }
 167
 168
 169 static LRESULT CALLBACK
 170 PreviewWndProc(HWND hwnd,
 171                UINT uMsg,
 172                WPARAM wParam,
 173                LPARAM lParam)
 174 {
 175     PPREVIEW_DATA pPreviewData;
 176     HDC hdc;
 177     PAINTSTRUCT ps;
 178     RECT rc;
 179
 180     static TCHAR szInAct[32];
 181     static TCHAR szAct[32];
 182     static TCHAR szWinTxt[32];
 183     static TCHAR szMessBox[32];
 184     static TCHAR szMessText[32];
 185     static TCHAR szButText[4];
 186
 187     pPreviewData = (PPREVIEW_DATA)GetWindowLongPtr(hwnd, GWLP_USERDATA);
 188
 189     switch (uMsg)
 190     {
 191         case WM_CREATE:
 192         {
 193             NONCLIENTMETRICS NonClientMetrics;
 194
 195             pPreviewData = (PPREVIEW_DATA)HeapAlloc(GetProcessHeap(),
 196                                                     HEAP_ZERO_MEMORY,
 197                                                     sizeof(PREVIEW_DATA));
 198             if (!pPreviewData)
 199                 return -1;
 200
 201             SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)pPreviewData);
 202             pPreviewData->clrDesktop = GetSysColor(COLOR_DESKTOP);
 203             pPreviewData->hbrDesktop = CreateSolidBrush(pPreviewData->clrDesktop);
 204             pPreviewData->clrWindow = GetSysColor(COLOR_WINDOW);
 205             pPreviewData->hbrWindow = CreateSolidBrush(pPreviewData->clrWindow);
 206
 207             pPreviewData->cxEdge = GetSystemMetrics(SM_CXEDGE);
 208             pPreviewData->cyEdge = GetSystemMetrics(SM_CXEDGE);
 209
 210             pPreviewData->cyCaption = 20; //GetSystemMetrics(SM_CYCAPTION);
 211
 212             /* load font info */
 213             NonClientMetrics.cbSize = sizeof(NONCLIENTMETRICS);
 214             SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &NonClientMetrics, 0);
 215             pPreviewData->CaptionFont = NonClientMetrics.lfCaptionFont;
 216             pPreviewData->MenuFont = NonClientMetrics.lfMenuFont;
 217             pPreviewData->DialogFont = NonClientMetrics.lfMessageFont;
 218
 219             LoadString(hApplet, IDS_INACTWIN, szInAct, sizeof(szInAct));
 220             LoadString(hApplet, IDS_ACTWIN, szAct, sizeof(szAct));
 221             LoadString(hApplet, IDS_WINTEXT, szWinTxt, sizeof(szWinTxt));
 222             LoadString(hApplet, IDS_MESSBOX, szMessBox, sizeof(szMessBox));
 223             LoadString(hApplet, IDS_MESSTEXT, szMessText, sizeof(szMessText));
 224             LoadString(hApplet, IDS_BUTTEXT, szButText, sizeof(szButText));
 225
 226             break;
 227         }
 228
 229         case WM_SIZE:
 230             OnSize(LOWORD(lParam), HIWORD(lParam), pPreviewData);
 231             break;
 232
 233         case WM_PAINT:
 234         {
 235             RECT tmpRc;
 236
 237             hdc = BeginPaint(hwnd, &ps);
 238
 239             /* Desktop */
 240             FillRect(hdc, &pPreviewData->rcDesktop, pPreviewData->hbrDesktop);
 241
 242             /* Inactive Window */
 243             DrawEdge(hdc, &pPreviewData->rcInactiveFrame, EDGE_RAISED, BF_RECT | BF_MIDDLE);
 244             DrawCaption(hwnd, hdc, &pPreviewData->rcInactiveCaption, DC_GRADIENT | DC_TEXT);
 245             DrawCaptionButtons(hdc, &pPreviewData->rcInactiveCaption, TRUE);
 246             CopyMemory(&tmpRc, &pPreviewData->rcInactiveCaption, sizeof(RECT));
 247             tmpRc.left += 4;
 248             tmpRc.top += 2;
 249             SelectObject(hdc, CreateFontIndirect(&pPreviewData->CaptionFont));
 250             SetTextColor(hdc, RGB(212,208,200));
 251             DrawText(hdc, szInAct, lstrlen(szInAct), &tmpRc, DT_LEFT);
 252             DeleteObject(SelectObject(hdc, GetStockObject(SYSTEM_FONT)));
 253
 254
 255             /* Active Window */
 256             DrawEdge(hdc, &pPreviewData->rcActiveFrame, EDGE_RAISED, BF_RECT | BF_MIDDLE);
 257             DrawCaption(hwnd, hdc, &pPreviewData->rcActiveCaption, DC_ACTIVE | DC_GRADIENT | DC_TEXT);
 258             DrawCaptionButtons(hdc, &pPreviewData->rcActiveCaption, TRUE);
 259             CopyMemory(&tmpRc, &pPreviewData->rcActiveCaption, sizeof(RECT));
 260             tmpRc.left += 4;
 261             tmpRc.top += 2;
 262             SetTextColor(hdc, RGB(255,255,255)); // FIXME: don't hardcode colors
 263             SelectObject(hdc, CreateFontIndirect(&pPreviewData->CaptionFont));
 264             DrawText(hdc, szAct, lstrlen(szAct), &tmpRc, DT_LEFT);
 265             DeleteObject(SelectObject(hdc, GetStockObject(SYSTEM_FONT)));
 266
 267             /* FIXME: Draw the menu bar */
 268             CopyRect(&rc, &pPreviewData->rcActiveClient);
 269             DrawEdge(hdc, &rc, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
 270             FillRect(hdc, &rc, pPreviewData->hbrWindow);
 271
 272             /* Draw the client text */
 273             CopyMemory(&tmpRc, &pPreviewData->rcActiveClient, sizeof(RECT));
 274             tmpRc.left += 4;
 275             tmpRc.top += 2;
 276             SetTextColor(hdc, RGB(0,0,0));
 277             SelectObject(hdc, CreateFontIndirect(&pPreviewData->DialogFont));
 278             DrawText(hdc, szWinTxt, lstrlen(szWinTxt), &tmpRc, DT_LEFT);
 279             DeleteObject(SelectObject(hdc, GetStockObject(SYSTEM_FONT)));
 280
 281             /* Draw the scroll bar */
 282             DrawScrollbar(hdc, &pPreviewData->rcActiveScroll);
 283
 284
 285             /* Dialog Window */
 286             DrawEdge(hdc, &pPreviewData->rcDialogFrame, EDGE_RAISED, BF_RECT | BF_MIDDLE);
 287             DrawCaption(hwnd, hdc, &pPreviewData->rcDialogCaption, DC_ACTIVE | DC_GRADIENT | DC_TEXT);
 288             DrawCaptionButtons(hdc, &pPreviewData->rcDialogCaption, FALSE);
 289             CopyMemory(&tmpRc, &pPreviewData->rcDialogCaption, sizeof(RECT));
 290             tmpRc.left += 4;
 291             tmpRc.top += 2;
 292             SetTextColor(hdc, RGB(255,255,255));
 293             SelectObject(hdc, CreateFontIndirect(&pPreviewData->CaptionFont));
 294             DrawText(hdc, szMessBox, lstrlen(szMessBox), &tmpRc, DT_LEFT);
 295             DeleteObject(SelectObject(hdc, GetStockObject(SYSTEM_FONT)));
 296
 297             /* draw the dialog text */
 298             CopyMemory(&tmpRc, &pPreviewData->rcDialogClient, sizeof(RECT));
 299             tmpRc.left += 4;
 300             tmpRc.top += 2;
 301             SetTextColor(hdc, RGB(0,0,0));
 302             SelectObject(hdc, CreateFontIndirect(&pPreviewData->DialogFont));
 303             DrawText(hdc, szMessText, lstrlen(szMessText), &tmpRc, DT_LEFT);
 304             DeleteObject(SelectObject(hdc, GetStockObject(SYSTEM_FONT)));
 305
 306             /* Draw Button */
 307             DrawFrameControl(hdc, &pPreviewData->rcDialogButton, DFC_BUTTON, DFCS_BUTTONPUSH);
 308             CopyMemory(&tmpRc, &pPreviewData->rcDialogButton, sizeof(RECT));
 309             tmpRc.top += 6;
 310             SelectObject(hdc, CreateFontIndirect(&pPreviewData->DialogFont));
 311             DrawText(hdc, szButText, lstrlen(szButText), &tmpRc, DT_CENTER);
 312             DeleteObject(SelectObject(hdc, GetStockObject(SYSTEM_FONT)));
 313
 314
 315             EndPaint(hwnd, &ps);
 316             break;
 317         }
 318
 319         case WM_DESTROY:
 320             DeleteObject(pPreviewData->hbrDesktop);
 321             DeleteObject(pPreviewData->hbrWindow);
 322
 323             HeapFree(GetProcessHeap(), 0, pPreviewData);
 324             break;
 325
 326         default:
 327             DefWindowProc(hwnd,
 328                           uMsg,
 329                           wParam,
 330                           lParam);
 331     }
 332
 333     return TRUE;
 334 }
 335
 336
 337 BOOL
 338 RegisterPreviewControl(IN HINSTANCE hInstance)
 339 {
 340     WNDCLASSEX wc = {0};
 341
 342     wc.cbSize = sizeof(WNDCLASSEX);
 343     wc.lpfnWndProc = PreviewWndProc;
 344     wc.hInstance = hInstance;
 345     wc.hCursor = LoadCursor(NULL, IDC_ARROW);
 346     wc.hbrBackground = (HBRUSH)NULL; //(COLOR_BTNFACE + 1);
 347     wc.lpszClassName = szPreviewWndClass;
 348
 349     return RegisterClassEx(&wc) != (ATOM)0;
 350 }
 351
 352
 353 VOID
 354 UnregisterPreviewControl(IN HINSTANCE hInstance)
 355 {
 356     UnregisterClass(szPreviewWndClass,
 357                     hInstance);
 358 }