1 // TortoiseMerge - a Diff/Patch program
3 // Copyright (C) 2006-2007 - TortoiseSVN
4 // Copyright (C) 2011 Sven Strickroth <email@cs-ware.de>
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.
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.
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.
28 * \ingroup TortoiseMerge
29 * this struct holds all the information of a single change in TortoiseMerge.
31 typedef struct viewstate
33 std::map
<int, CString
> difflines
;
34 std::map
<int, DWORD
> linestates
;
35 std::map
<int, DWORD
> linelines
;
36 std::map
<int, EOL
> linesEOL
;
37 std::list
<int> addedlines
;
39 std::map
<int, viewdata
> removedlines
;
41 void AddLineFormView(CBaseView
*pView
, int nLine
, bool bAddEmptyLine
);
45 * \ingroup TortoiseMerge
46 * Holds all the information of previous changes made to a view content.
47 * Of course, can undo those changes.
52 static CUndo
& GetInstance();
54 bool Undo(CBaseView
* pLeft
, CBaseView
* pRight
, CBaseView
* pBottom
);
55 void AddState(const viewstate
& leftstate
, const viewstate
& rightstate
, const viewstate
& bottomstate
, POINT pt
);
56 bool CanUndo() {return (m_viewstates
.size() > 0);}
58 bool IsGrouping() { return m_groups
.size() % 2 == 1; }
59 void BeginGrouping() { ASSERT(!IsGrouping()); m_groups
.push_back(m_caretpoints
.size()); }
60 void EndGrouping(){ ASSERT(IsGrouping()); m_groups
.push_back(m_caretpoints
.size()); }
62 void MarkAsOriginalState() { m_originalstate
= m_viewstates
.size(); }
64 void Undo(const viewstate
& state
, CBaseView
* pView
);
65 void UndoOne(CBaseView
* pLeft
, CBaseView
* pRight
, CBaseView
* pBottom
);
66 std::list
<viewstate
> m_viewstates
;
67 std::list
<POINT
> m_caretpoints
;
68 std::list
< std::list
<int>::size_type
> m_groups
;
69 unsigned int m_originalstate
;