reactos/base/applications/paint/sizebox.c

   1 /*
   2  * PROJECT:     PAINT for ReactOS
   3  * LICENSE:     LGPL
   4  * FILE:        sizebox.c
   5  * PURPOSE:     Window procedure of the size boxes
   6  * PROGRAMMERS: Benedikt Freisen
   7  */
   8
   9 /* INCLUDES *********************************************************/
  10
  11 #include <windows.h>
  12 #include <commctrl.h>
  13 #include <tchar.h>
  14 #include "globalvar.h"
  15 #include "history.h"
  16
  17 /* FUNCTIONS ********************************************************/
  18
  19 BOOL resizing = FALSE;
  20 short xOrig;
  21 short yOrig;
  22
  23 LRESULT CALLBACK
  24 SizeboxWinProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  25 {
  26     switch (message)
  27     {
  28         case WM_SETCURSOR:
  29             if ((hwnd == hSizeboxLeftTop) || (hwnd == hSizeboxRightBottom))
  30                 SetCursor(LoadCursor(NULL, IDC_SIZENWSE));
  31             if ((hwnd == hSizeboxLeftBottom) || (hwnd == hSizeboxRightTop))
  32                 SetCursor(LoadCursor(NULL, IDC_SIZENESW));
  33             if ((hwnd == hSizeboxLeftCenter) || (hwnd == hSizeboxRightCenter))
  34                 SetCursor(LoadCursor(NULL, IDC_SIZEWE));
  35             if ((hwnd == hSizeboxCenterTop) || (hwnd == hSizeboxCenterBottom))
  36                 SetCursor(LoadCursor(NULL, IDC_SIZENS));
  37             break;
  38         case WM_LBUTTONDOWN:
  39             resizing = TRUE;
  40             xOrig = LOWORD(lParam);
  41             yOrig = HIWORD(lParam);
  42             SetCapture(hwnd);
  43             break;
  44         case WM_MOUSEMOVE:
  45             if (resizing)
  46             {
  47                 TCHAR sizeStr[100];
  48                 short xRel;
  49                 short yRel;
  50                 xRel = ((short)LOWORD(lParam) - xOrig) * 1000 / zoom;
  51                 yRel = ((short)HIWORD(lParam) - yOrig) * 1000 / zoom;
  52                 if (hwnd == hSizeboxLeftTop)
  53                     _stprintf(sizeStr, _T("%d x %d"), imgXRes - xRel, imgYRes - yRel);
  54                 if (hwnd == hSizeboxCenterTop)
  55                     _stprintf(sizeStr, _T("%d x %d"), imgXRes, imgYRes - yRel);
  56                 if (hwnd == hSizeboxRightTop)
  57                     _stprintf(sizeStr, _T("%d x %d"), imgXRes + xRel, imgYRes - yRel);
  58                 if (hwnd == hSizeboxLeftCenter)
  59                     _stprintf(sizeStr, _T("%d x %d"), imgXRes - xRel, imgYRes);
  60                 if (hwnd == hSizeboxRightCenter)
  61                     _stprintf(sizeStr, _T("%d x %d"), imgXRes + xRel, imgYRes);
  62                 if (hwnd == hSizeboxLeftBottom)
  63                     _stprintf(sizeStr, _T("%d x %d"), imgXRes - xRel, imgYRes + yRel);
  64                 if (hwnd == hSizeboxCenterBottom)
  65                     _stprintf(sizeStr, _T("%d x %d"), imgXRes, imgYRes + yRel);
  66                 if (hwnd == hSizeboxRightBottom)
  67                     _stprintf(sizeStr, _T("%d x %d"), imgXRes + xRel, imgYRes + yRel);
  68                 SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) sizeStr);
  69             }
  70             break;
  71         case WM_LBUTTONUP:
  72             if (resizing)
  73             {
  74                 short xRel;
  75                 short yRel;
  76                 ReleaseCapture();
  77                 resizing = FALSE;
  78                 xRel = ((short)LOWORD(lParam) - xOrig) * 1000 / zoom;
  79                 yRel = ((short)HIWORD(lParam) - yOrig) * 1000 / zoom;
  80                 if (hwnd == hSizeboxLeftTop)
  81                     cropReversible(imgXRes - xRel, imgYRes - yRel, xRel, yRel);
  82                 if (hwnd == hSizeboxCenterTop)
  83                     cropReversible(imgXRes, imgYRes - yRel, 0, yRel);
  84                 if (hwnd == hSizeboxRightTop)
  85                     cropReversible(imgXRes + xRel, imgYRes - yRel, 0, yRel);
  86                 if (hwnd == hSizeboxLeftCenter)
  87                     cropReversible(imgXRes - xRel, imgYRes, xRel, 0);
  88                 if (hwnd == hSizeboxRightCenter)
  89                     cropReversible(imgXRes + xRel, imgYRes, 0, 0);
  90                 if (hwnd == hSizeboxLeftBottom)
  91                     cropReversible(imgXRes - xRel, imgYRes + yRel, xRel, 0);
  92                 if (hwnd == hSizeboxCenterBottom)
  93                     cropReversible(imgXRes, imgYRes + yRel, 0, 0);
  94                 if (hwnd == hSizeboxRightBottom)
  95                     cropReversible(imgXRes + xRel, imgYRes + yRel, 0, 0);
  96                 SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) _T(""));
  97             }
  98             break;
  99
 100         default:
 101             return DefWindowProc(hwnd, message, wParam, lParam);
 102     }
 103
 104     return 0;
 105 }