src/TortoiseMerge/LineDiffBar.h

   1 // TortoiseGitMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2023 - TortoiseGit
   4 // Copyright (C) 2006, 2008 - 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
  22 class CMainFrame;
  23
  24 /**
  25  * \ingroup TortoiseMerge
  26  *
  27  * A Toolbar showing the differences in the views. The Toolbar
  28  * is best attached to the left of the mainframe. The Toolbar
  29  * also scrolls the views to the location the user clicks
  30  * on the bar.
  31  */
  32 class CLineDiffBar : public CPaneDialog
  33 {
  34         DECLARE_DYNAMIC(CLineDiffBar)
  35
  36 public:
  37         CLineDiffBar();
  38         virtual ~CLineDiffBar();
  39         BOOL Create(CWnd* pParentWnd, UINT nIDTemplate, UINT nStyle, UINT nID)
  40         {
  41                 BOOL bRet = CPaneDialog::Create(pParentWnd, nIDTemplate, nStyle, nID);
  42                 m_dwControlBarStyle = 0; // can't float, resize, close, slide
  43                 return bRet;
  44         }
  45
  46         CSize CalcFixedLayout(BOOL, BOOL)
  47         {
  48                 return CSize(32767, 2*m_nLineHeight);
  49         }
  50
  51         void                    ShowLines(int nLineIndex);
  52         void                    DocumentUpdated();
  53
  54 protected:
  55         afx_msg void    OnPaint();
  56         afx_msg void    OnSize(UINT nType, int cx, int cy);
  57         afx_msg BOOL    OnEraseBkgnd(CDC* pDC);
  58
  59         CBitmap*                m_pCacheBitmap = nullptr;
  60
  61         int                             m_nLineIndex = -1;
  62         int                             m_nLineHeight = 0;
  63
  64
  65         DECLARE_MESSAGE_MAP()
  66 public:
  67         CMainFrame*             m_pMainFrm = nullptr;
  68 };
  69
  70