src/TortoiseIDiff/MainWindow.h

   1 // TortoiseIDiff - an image diff viewer in TortoiseSVN
   2
   3 // Copyright (C) 2006-2007, 2009, 2011-2013 - 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 "TortoiseIDiff.h"
  23
  24 #include <map>
  25 #include <CommCtrl.h>
  26
  27 #define SPLITTER_BORDER 2
  28
  29 #define WINDOW_MINHEIGHT 200
  30 #define WINDOW_MINWIDTH 200
  31
  32 enum FileType
  33 {
  34     FileTypeMine        = 1,
  35     FileTypeTheirs      = 2,
  36     FileTypeBase        = 3,
  37 };
  38
  39 /**
  40  * \ingroup TortoiseIDiff
  41  * The main window of TortoiseIDiff.
  42  * Hosts the two image views, the menu, toolbar, slider, ...
  43  */
  44 class CMainWindow : public CWindow
  45 {
  46 public:
  47     CMainWindow(HINSTANCE hInst, const WNDCLASSEX* wcx = NULL) : CWindow(hInst, wcx)
  48         , picWindow1(hInst)
  49         , picWindow2(hInst)
  50         , picWindow3(hInst)
  51         , oldx(-4)
  52         , oldy(-4)
  53         , bMoved(false)
  54         , bDragMode(false)
  55         , bDrag2(false)
  56         , nSplitterPos(100)
  57         , nSplitterPos2(200)
  58         , bOverlap(false)
  59         , bShowInfo(false)
  60         , bVertical(false)
  61         , bLinkedPositions(true)
  62         , bFitWidths(false)
  63         , bFitHeights(false)
  64         , transparentColor(::GetSysColor(COLOR_WINDOW))
  65         , m_BlendType(CPicWindow::BLEND_ALPHA)
  66         , hwndTB(0)
  67         , hToolbarImgList(NULL)
  68         , bSelectionMode(false)
  69     {
  70         SetWindowTitle((LPCTSTR)ResString(hResource, IDS_APP_TITLE));
  71     };
  72
  73     /**
  74      * Registers the window class and creates the window.
  75      */
  76     bool RegisterAndCreateWindow();
  77
  78     /**
  79      * Sets the image path and title for the left image view.
  80      */
  81     void SetLeft(tstring leftpath, tstring lefttitle) {leftpicpath=leftpath; leftpictitle=lefttitle;}
  82     /**
  83      * Sets the image path and the title for the right image view.
  84      */
  85     void SetRight(tstring rightpath, tstring righttitle) {rightpicpath=rightpath; rightpictitle=righttitle;}
  86
  87     /**
  88      * Sets the image path and title for selection mode. In selection mode, the images
  89      * are shown side-by-side for the user to chose one of them. The chosen image is
  90      * saved at the path for \b FileTypeResult (if that path has been set) and the
  91      * process return value is the chosen FileType.
  92      */
  93     void SetSelectionImage(FileType ft, const std::wstring& path, const std::wstring& title);
  94     void SetSelectionResult(const std::wstring& path) { selectionResult = path; }
  95
  96 protected:
  97     /// the message handler for this window
  98     LRESULT CALLBACK                    WinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
  99     /// Handles all the WM_COMMAND window messages (e.g. menu commands)
 100     LRESULT                             DoCommand(int id, LPARAM lParam);
 101
 102     /// Positions the child windows. Call this after the window sizes/positions have changed.
 103     void                                PositionChildren(RECT * clientrect = NULL);
 104     /// Shows the "Open images" dialog where the user can select the images to diff
 105     bool                                OpenDialog();
 106     static BOOL CALLBACK                OpenDlgProc(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam);
 107     static bool                         AskForFile(HWND owner, TCHAR * path);
 108
 109     // splitter methods
 110     void                                DrawXorBar(HDC hdc, int x1, int y1, int width, int height);
 111     LRESULT                             Splitter_OnLButtonDown(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
 112     LRESULT                             Splitter_OnLButtonUp(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
 113     LRESULT                             Splitter_OnMouseMove(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
 114     void                                Splitter_CaptureChanged();
 115
 116     // toolbar
 117     bool                                CreateToolbar();
 118     HWND                                hwndTB;
 119     HIMAGELIST                          hToolbarImgList;
 120
 121     // command line params
 122     static tstring                      leftpicpath;
 123     static tstring                      leftpictitle;
 124
 125     static tstring                      rightpicpath;
 126     static tstring                      rightpictitle;
 127
 128     // image data
 129     CPicWindow                          picWindow1;
 130     CPicWindow                          picWindow2;
 131     CPicWindow                          picWindow3;
 132     bool                                bShowInfo;
 133     COLORREF                            transparentColor;
 134
 135     // splitter data
 136     int                                 oldx;
 137     int                                 oldy;
 138     bool                                bMoved;
 139     bool                                bDragMode;
 140     bool                                bDrag2;
 141     int                                 nSplitterPos;
 142     int                                 nSplitterPos2;
 143
 144     // one/two pane view
 145     bool                                bSelectionMode;
 146     bool                                bOverlap;
 147     bool                                bVertical;
 148     bool                                bLinkedPositions;
 149     bool                                bFitWidths;
 150     bool                                bFitHeights;
 151     CPicWindow::BlendType               m_BlendType;
 152
 153     // selection mode data
 154     std::map<FileType, std::wstring>    selectionPaths;
 155     std::map<FileType, std::wstring>    selectionTitles;
 156     std::wstring                        selectionResult;
 157 };
 158