1 // TortoiseGitMerge - a Diff/Patch program
3 // Copyright (C) 2006-2007,2009-2014 - 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
;
40 std::map
<int, viewdata
> replacedlines
;
41 bool modifies
; ///< this step modifies view (save before and after save differs)
43 void AddViewLineFromView(CBaseView
*pView
, int nViewLine
, bool bAddEmptyLine
);
45 bool IsEmpty() const { return difflines
.empty() && linestates
.empty() && linelines
.empty() && linesEOL
.empty() && addedlines
.empty() && removedlines
.empty() && replacedlines
.empty(); }
49 * \ingroup TortoiseMerge
50 * this struct holds all the information of a single change in TortoiseMerge for all(3) views.
58 void Clear() { right
.Clear(); bottom
.Clear(); left
.Clear(); }
59 bool IsEmpty() const { return right
.IsEmpty() && bottom
.IsEmpty() && left
.IsEmpty(); }
63 * \ingroup TortoiseMerge
64 * Holds all the information of previous changes made to a view content.
65 * Of course, can undo those changes.
70 static CUndo
& GetInstance();
72 bool Undo(CBaseView
* pLeft
, CBaseView
* pRight
, CBaseView
* pBottom
);
73 void AddState(const allviewstate
& allstate
, POINT pt
);
74 bool CanUndo() const {return !m_viewstates
.empty();}
76 bool IsGrouping() const { return m_groups
.size() % 2 == 1; }
77 void BeginGrouping() { if (m_groupCount
==0) m_groups
.push_back(m_caretpoints
.size()); m_groupCount
++; }
78 void EndGrouping(){ m_groupCount
--; if (m_groupCount
==0) m_groups
.push_back(m_caretpoints
.size()); }
80 void MarkAllAsOriginalState() { MarkAsOriginalState(true, true, true); }
81 void MarkAsOriginalState(bool Left
, bool Right
, bool Bottom
);
83 void Undo(const viewstate
& state
, CBaseView
* pView
, const POINT
& pt
);
84 void UndoOne(CBaseView
* pLeft
, CBaseView
* pRight
, CBaseView
* pBottom
);
85 std::list
<allviewstate
> m_viewstates
;
86 std::list
<POINT
> m_caretpoints
;
87 std::list
< std::list
<int>::size_type
> m_groups
;
88 size_t m_originalstateLeft
;
89 size_t m_originalstateRight
;
90 size_t m_originalstateBottom
;