src/TortoiseUDiff/MainWindow.h

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2016, 2019-2021, 2023 - TortoiseGit
   4 // Copyright (C) 2007, 2009-2013, 2020 - 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 "ILexer.h"
  23 #include "SciLexer.h"
  24 #include "Scintilla.h"
  25 #include "registry.h"
  26 #include "resource.h"
  27 #include "FindBar.h"
  28 #include <string>
  29 #include <stdio.h>
  30
  31 /**
  32  * \ingroup TortoiseUDiff
  33  * Main window of TortoiseUDiff. Handles the child windows (Scintilla control,
  34  * CFindBar, ...).
  35  */
  36 class CMainWindow : public CWindow
  37 {
  38 public:
  39         CMainWindow(HINSTANCE hInst, const WNDCLASSEX* wcx = nullptr);
  40         ~CMainWindow();
  41
  42         /**
  43         * Registers the window class and creates the window.
  44         */
  45         bool                RegisterAndCreateWindow();
  46
  47         LRESULT             SendEditor(UINT Msg, WPARAM wParam = 0, LPARAM lParam = 0);
  48         HWND                GetHWNDEdit() const { return m_hWndEdit; }
  49         bool                LoadFile(LPCWSTR filename);
  50         bool                LoadFile(HANDLE hFile, bool wantStdIn);
  51         bool                SaveFile(LPCWSTR filename);
  52         void                SetTitle(LPCWSTR title);
  53         std::wstring        GetAppDirectory();
  54         void                RunCommand(const std::wstring& command);
  55
  56 protected:
  57         /// the message handler for this window
  58         LRESULT CALLBACK    WinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) override;
  59         /// Handles all the WM_COMMAND window messages (e.g. menu commands)
  60         LRESULT             DoCommand(int id);
  61
  62         bool                Initialize();
  63         void                SetTheme(bool bDark);
  64
  65 private:
  66         void                SetAStyle(int style, COLORREF fore, COLORREF back = ::GetSysColor(COLOR_WINDOW), int size = -1, const char* face = nullptr);
  67         bool                IsUTF8(LPVOID pBuffer, size_t cb);
  68         void                InitEditor();
  69         void                SetupWindow(bool bUTF8);
  70         void                UpdateLineCount();
  71
  72 private:
  73         LRESULT             m_directFunction = 0;
  74         LRESULT             m_directPointer = 0;
  75
  76         HWND                m_hWndEdit = nullptr;
  77         int                 m_themeCallbackId = 0;
  78
  79         void                DoSearch(bool reverse);
  80         CFindBar            m_FindBar;
  81         bool                m_bShowFindBar = false;
  82         bool                m_bMatchCase = false;
  83         std::wstring             m_findtext;
  84         std::wstring             m_filename;
  85
  86         bool loadOrSaveFile(bool doLoad, const std::wstring& filename = L"");
  87         bool canCloseWhenModified();
  88 };