reactos/base/applications/mspaint/sizebox.cpp

   1 /*
   2  * PROJECT:     PAINT for ReactOS
   3  * LICENSE:     LGPL
   4  * FILE:        base/applications/mspaint/sizebox.cpp
   5  * PURPOSE:     Window procedure of the size boxes
   6  * PROGRAMMERS: Benedikt Freisen
   7  */
   8
   9 /* INCLUDES *********************************************************/
  10
  11 #include "precomp.h"
  12
  13 /* FUNCTIONS ********************************************************/
  14
  15 BOOL resizing = FALSE;
  16 short xOrig;
  17 short yOrig;
  18
  19 LRESULT CSizeboxWindow::OnSetCursor(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
  20 {
  21     if ((m_hWnd == sizeboxLeftTop.m_hWnd) || (m_hWnd == sizeboxRightBottom.m_hWnd))
  22         SetCursor(LoadCursor(NULL, IDC_SIZENWSE));
  23     if ((m_hWnd == sizeboxLeftBottom.m_hWnd) || (m_hWnd == sizeboxRightTop.m_hWnd))
  24         SetCursor(LoadCursor(NULL, IDC_SIZENESW));
  25     if ((m_hWnd == sizeboxLeftCenter.m_hWnd) || (m_hWnd == sizeboxRightCenter.m_hWnd))
  26         SetCursor(LoadCursor(NULL, IDC_SIZEWE));
  27     if ((m_hWnd == sizeboxCenterTop.m_hWnd) || (m_hWnd == sizeboxCenterBottom.m_hWnd))
  28         SetCursor(LoadCursor(NULL, IDC_SIZENS));
  29     return 0;
  30 }
  31
  32 LRESULT CSizeboxWindow::OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
  33 {
  34     resizing = TRUE;
  35     xOrig = GET_X_LPARAM(lParam);
  36     yOrig = GET_Y_LPARAM(lParam);
  37     SetCapture();
  38     return 0;
  39 }
  40
  41 LRESULT CSizeboxWindow::OnMouseMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
  42 {
  43     if (resizing)
  44     {
  45         TCHAR sizeStr[100];
  46         short xRel;
  47         short yRel;
  48         int imgXRes = imageModel.GetWidth();
  49         int imgYRes = imageModel.GetHeight();
  50         xRel = (GET_X_LPARAM(lParam) - xOrig) * 1000 / toolsModel.GetZoom();
  51         yRel = (GET_Y_LPARAM(lParam) - yOrig) * 1000 / toolsModel.GetZoom();
  52         if (m_hWnd == sizeboxLeftTop.m_hWnd)
  53             _stprintf(sizeStr, _T("%d x %d"), imgXRes - xRel, imgYRes - yRel);
  54         if (m_hWnd == sizeboxCenterTop.m_hWnd)
  55             _stprintf(sizeStr, _T("%d x %d"), imgXRes, imgYRes - yRel);
  56         if (m_hWnd == sizeboxRightTop.m_hWnd)
  57             _stprintf(sizeStr, _T("%d x %d"), imgXRes + xRel, imgYRes - yRel);
  58         if (m_hWnd == sizeboxLeftCenter.m_hWnd)
  59             _stprintf(sizeStr, _T("%d x %d"), imgXRes - xRel, imgYRes);
  60         if (m_hWnd == sizeboxRightCenter.m_hWnd)
  61             _stprintf(sizeStr, _T("%d x %d"), imgXRes + xRel, imgYRes);
  62         if (m_hWnd == sizeboxLeftBottom.m_hWnd)
  63             _stprintf(sizeStr, _T("%d x %d"), imgXRes - xRel, imgYRes + yRel);
  64         if (m_hWnd == sizeboxCenterBottom.m_hWnd)
  65             _stprintf(sizeStr, _T("%d x %d"), imgXRes, imgYRes + yRel);
  66         if (m_hWnd == sizeboxRightBottom.m_hWnd)
  67             _stprintf(sizeStr, _T("%d x %d"), imgXRes + xRel, imgYRes + yRel);
  68         SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) sizeStr);
  69     }
  70     return 0;
  71 }
  72
  73 LRESULT CSizeboxWindow::OnLButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
  74 {
  75     if (resizing)
  76     {
  77         short xRel;
  78         short yRel;
  79         ReleaseCapture();
  80         resizing = FALSE;
  81         int imgXRes = imageModel.GetWidth();
  82         int imgYRes = imageModel.GetHeight();
  83         xRel = (GET_X_LPARAM(lParam) - xOrig) * 1000 / toolsModel.GetZoom();
  84         yRel = (GET_Y_LPARAM(lParam) - yOrig) * 1000 / toolsModel.GetZoom();
  85         if (m_hWnd == sizeboxLeftTop)
  86             imageModel.Crop(imgXRes - xRel, imgYRes - yRel, xRel, yRel);
  87         if (m_hWnd == sizeboxCenterTop.m_hWnd)
  88             imageModel.Crop(imgXRes, imgYRes - yRel, 0, yRel);
  89         if (m_hWnd == sizeboxRightTop.m_hWnd)
  90             imageModel.Crop(imgXRes + xRel, imgYRes - yRel, 0, yRel);
  91         if (m_hWnd == sizeboxLeftCenter.m_hWnd)
  92             imageModel.Crop(imgXRes - xRel, imgYRes, xRel, 0);
  93         if (m_hWnd == sizeboxRightCenter.m_hWnd)
  94             imageModel.Crop(imgXRes + xRel, imgYRes, 0, 0);
  95         if (m_hWnd == sizeboxLeftBottom.m_hWnd)
  96             imageModel.Crop(imgXRes - xRel, imgYRes + yRel, xRel, 0);
  97         if (m_hWnd == sizeboxCenterBottom.m_hWnd)
  98             imageModel.Crop(imgXRes, imgYRes + yRel, 0, 0);
  99         if (m_hWnd == sizeboxRightBottom.m_hWnd)
 100             imageModel.Crop(imgXRes + xRel, imgYRes + yRel, 0, 0);
 101         SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) _T(""));
 102     }
 103     return 0;
 104 }