src/TortoiseIDiff/MainWindow.h

   1 // TortoiseIDiff - an image diff viewer in TortoiseSVN
   2
   3 // Copyright (C) 2015 - TortoiseGit
   4 // Copyright (C) 2006-2007, 2009, 2011-2013, 2015 - TortoiseSVN
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #pragma once
  21 #include "BaseWindow.h"
  22 #include "PicWindow.h"
  23 #include "TortoiseIDiff.h"
  24
  25 #include <map>
  26 #include <CommCtrl.h>
  27
  28 #define SPLITTER_BORDER 2
  29
  30 #define WINDOW_MINHEIGHT 200
  31 #define WINDOW_MINWIDTH 200
  32
  33 enum FileType
  34 {
  35     FileTypeMine        = 1,
  36     FileTypeTheirs      = 2,
  37     FileTypeBase        = 3,
  38 };
  39
  40 /**
  41  * \ingroup TortoiseIDiff
  42  * The main window of TortoiseIDiff.
  43  * Hosts the two image views, the menu, toolbar, slider, ...
  44  */
  45 class CMainWindow : public CWindow
  46 {
  47 public:
  48     CMainWindow(HINSTANCE hInstance, const WNDCLASSEX* wcx = NULL) : CWindow(hInstance, wcx)
  49         , picWindow1(hInstance)
  50         , picWindow2(hInstance)
  51         , picWindow3(hInstance)
  52         , oldx(-4)
  53         , oldy(-4)
  54         , bMoved(false)
  55         , bDragMode(false)
  56         , bDrag2(false)
  57         , nSplitterPos(100)
  58         , nSplitterPos2(200)
  59         , bOverlap(false)
  60         , bShowInfo(false)
  61         , bVertical(false)
  62         , bLinkedPositions(true)
  63         , bFitWidths(false)
  64         , bFitHeights(false)
  65         , transparentColor(::GetSysColor(COLOR_WINDOW))
  66         , m_BlendType(CPicWindow::BLEND_ALPHA)
  67         , hwndTB(0)
  68         , hToolbarImgList(NULL)
  69         , bSelectionMode(false)
  70         , resolveMsgWnd(nullptr)
  71         , resolveMsgLParam(NULL)
  72         , resolveMsgWParam(NULL)
  73     {
  74         SetWindowTitle((LPCTSTR)ResString(hResource, IDS_APP_TITLE));
  75     };
  76
  77     /**
  78      * Registers the window class and creates the window.
  79      */
  80     bool RegisterAndCreateWindow();
  81
  82     /**
  83      * Sets the image path and title for the left image view.
  84      */
  85     void SetLeft(const tstring& leftpath, const tstring& lefttitle) { leftpicpath = leftpath; leftpictitle = lefttitle; }
  86     /**
  87      * Sets the image path and the title for the right image view.
  88      */
  89     void SetRight(const tstring& rightpath, const tstring& righttitle) { rightpicpath = rightpath; rightpictitle = righttitle; }
  90
  91     /**
  92      * Sets the image path and title for selection mode. In selection mode, the images
  93      * are shown side-by-side for the user to chose one of them. The chosen image is
  94      * saved at the path for \b FileTypeResult (if that path has been set) and the
  95      * process return value is the chosen FileType.
  96      */
  97     void SetSelectionImage(FileType ft, const std::wstring& path, const std::wstring& title);
  98     void SetSelectionResult(const std::wstring& path) { selectionResult = path; }
  99
 100 protected:
 101     /// the message handler for this window
 102     LRESULT CALLBACK                    WinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 103     /// Handles all the WM_COMMAND window messages (e.g. menu commands)
 104     LRESULT                             DoCommand(int id, LPARAM lParam);
 105
 106     /// Positions the child windows. Call this after the window sizes/positions have changed.
 107     void                                PositionChildren(RECT * clientrect = NULL);
 108     /// Shows the "Open images" dialog where the user can select the images to diff
 109     bool                                OpenDialog();
 110     static BOOL CALLBACK                OpenDlgProc(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam);
 111     static bool                         AskForFile(HWND owner, TCHAR * path);
 112
 113     // splitter methods
 114     void                                DrawXorBar(HDC hdc, int x1, int y1, int width, int height);
 115     LRESULT                             Splitter_OnLButtonDown(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
 116     LRESULT                             Splitter_OnLButtonUp(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
 117     LRESULT                             Splitter_OnMouseMove(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
 118     void                                Splitter_CaptureChanged();
 119
 120     // toolbar
 121     bool                                CreateToolbar();
 122     HWND                                hwndTB;
 123     HIMAGELIST                          hToolbarImgList;
 124
 125     // command line params
 126     static tstring                      leftpicpath;
 127     static tstring                      leftpictitle;
 128
 129     static tstring                      rightpicpath;
 130     static tstring                      rightpictitle;
 131
 132     // image data
 133     CPicWindow                          picWindow1;
 134     CPicWindow                          picWindow2;
 135     CPicWindow                          picWindow3;
 136     bool                                bShowInfo;
 137     COLORREF                            transparentColor;
 138
 139     // splitter data
 140     int                                 oldx;
 141     int                                 oldy;
 142     bool                                bMoved;
 143     bool                                bDragMode;
 144     bool                                bDrag2;
 145     int                                 nSplitterPos;
 146     int                                 nSplitterPos2;
 147
 148     // one/two pane view
 149     bool                                bSelectionMode;
 150     bool                                bOverlap;
 151     bool                                bVertical;
 152     bool                                bLinkedPositions;
 153     bool                                bFitWidths;
 154     bool                                bFitHeights;
 155     CPicWindow::BlendType               m_BlendType;
 156
 157     // selection mode data
 158     std::map<FileType, std::wstring>    selectionPaths;
 159     std::map<FileType, std::wstring>    selectionTitles;
 160     std::wstring                        selectionResult;
 161
 162 public:
 163     HWND                        resolveMsgWnd;
 164     WPARAM                      resolveMsgWParam;
 165     LPARAM                      resolveMsgLParam;
 166 };
 167