src/TortoiseIDiff/MainWindow.h

   1 // TortoiseIDiff - an image diff viewer in TortoiseSVN
   2
   3 // Copyright (C) 2006-2007,2009, 2011-2012 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #pragma once
  20 #include "BaseWindow.h"
  21 #include "PicWindow.h"
  22 #include <CommCtrl.h>
  23 #include "TortoiseIDiff.h"
  24
  25 #define SPLITTER_BORDER 2
  26
  27 #define WINDOW_MINHEIGHT 200
  28 #define WINDOW_MINWIDTH 200
  29
  30 /**
  31  * \ingroup TortoiseIDiff
  32  * The main window of TortoiseIDiff.
  33  * Hosts the two image views, the menu, toolbar, slider, ...
  34  */
  35 class CMainWindow : public CWindow
  36 {
  37 public:
  38     CMainWindow(HINSTANCE hInst, const WNDCLASSEX* wcx = NULL) : CWindow(hInst, wcx)
  39         , picWindow1(hInst)
  40         , picWindow2(hInst)
  41         , oldx(-4)
  42         , oldy(-4)
  43         , bMoved(false)
  44         , bDragMode(false)
  45         , nSplitterPos(100)
  46         , bOverlap(false)
  47         , bShowInfo(false)
  48         , bVertical(false)
  49         , bLinkedPositions(true)
  50         , bFitSizes(false)
  51         , transparentColor(::GetSysColor(COLOR_WINDOW))
  52         , m_BlendType(CPicWindow::BLEND_ALPHA)
  53         , hwndTB(0)
  54         , hToolbarImgList(NULL)
  55     {
  56         SetWindowTitle((LPCTSTR)ResString(hResource, IDS_APP_TITLE));
  57     };
  58
  59     /**
  60      * Registers the window class and creates the window.
  61      */
  62     bool RegisterAndCreateWindow();
  63
  64     /**
  65      * Sets the image path and title for the left image view.
  66      */
  67     void SetLeft(tstring leftpath, tstring lefttitle) {leftpicpath=leftpath; leftpictitle=lefttitle;}
  68     /**
  69      * Sets the image path and the title for the right image view.
  70      */
  71     void SetRight(tstring rightpath, tstring righttitle) {rightpicpath=rightpath; rightpictitle=righttitle;}
  72
  73 protected:
  74     /// the message handler for this window
  75     LRESULT CALLBACK    WinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
  76     /// Handles all the WM_COMMAND window messages (e.g. menu commands)
  77     LRESULT             DoCommand(int id);
  78
  79     /// Positions the child windows. Call this after the window sizes/positions have changed.
  80     void                PositionChildren(RECT * clientrect = NULL);
  81     /// Shows the "Open images" dialog where the user can select the images to diff
  82     bool                OpenDialog();
  83     static BOOL CALLBACK OpenDlgProc(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam);
  84     static bool         AskForFile(HWND owner, TCHAR * path);
  85
  86     // splitter methods
  87     void                DrawXorBar(HDC hdc, int x1, int y1, int width, int height);
  88     LRESULT             Splitter_OnLButtonDown(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
  89     LRESULT             Splitter_OnLButtonUp(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
  90     LRESULT             Splitter_OnMouseMove(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
  91     void                Splitter_CaptureChanged();
  92
  93     // toolbar
  94     bool                CreateToolbar();
  95     HWND                hwndTB;
  96     HIMAGELIST          hToolbarImgList;
  97
  98     // command line params
  99     static tstring  leftpicpath;
 100     static tstring  leftpictitle;
 101
 102     static tstring  rightpicpath;
 103     static tstring  rightpictitle;
 104
 105     // image data
 106     CPicWindow      picWindow1;
 107     CPicWindow      picWindow2;
 108     bool            bShowInfo;
 109     COLORREF        transparentColor;
 110
 111     // splitter data
 112     int             oldx;
 113     int             oldy;
 114     bool            bMoved;
 115     bool            bDragMode;
 116     int             nSplitterPos;
 117
 118     // one/two pane view
 119     bool            bOverlap;
 120     bool            bVertical;
 121     bool            bLinkedPositions;
 122     bool            bFitSizes;
 123     CPicWindow::BlendType   m_BlendType;
 124
 125 };
 126