Make detection of empty repo also work after a git gc
[vng.git] / src / patches / CommitsCursor.h
blobb7d9c18448a8d4dbc12d8386ac4c0fe77f53eb42
1 /*
2 * This file is part of the vng project
3 * Copyright (C) 2008 Thomas Zander <tzander@trolltech.com>
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #ifndef COMMITSCURSOR_H
20 #define COMMITSCURSOR_H
22 #include "../InterviewCursor.h"
23 #include "Commit.h"
25 class CommitsMatcher;
27 class CommitsCursor : public InterviewCursor
29 public:
30 enum SelectionType {
31 SelectOnePatch, ///< gives user choice of 'yes'/'no'
32 SelectRange ///< gives user navigating abilities and ability to say yes to multiple patches
35 CommitsCursor(SelectionType selectionType);
36 virtual ~CommitsCursor();
38 virtual int forward(Scope scope = ItemScope, bool skipAnswered = true);
39 virtual int back(Scope scope = ItemScope);
40 virtual void setResponse(bool response, Scope scope = ItemScope);
42 virtual int count();
43 virtual void forceCount();
44 virtual QString currentText() const;
45 virtual QString helpMessage() const;
46 virtual bool isValid() const;
47 virtual QString allowedOptions() const;
49 Commit head();
51 /// returns the index into the list of patches that is the oldest patch the user adjusted.
52 int oldestCommitAltered() const { return m_oldestIndex; }
54 /**
55 * make the cursor use the matcher to match only commits that match the command line arguments.
56 * @param use if true the next call to forward() or back() will use the CommitsMatcher, otherwise it won't.
57 * The default is to use no matcher.
59 void setUseMatcher(bool use);
61 private:
62 int m_currentIndex, m_oldestIndex;
63 Commit m_head;
64 Commit m_current;
65 Commit m_firstInBranch;
66 bool m_done;
67 CommitsMatcher *m_matcher;
68 SelectionType m_selectionType;
71 #endif