summaryrefslogtreecommitdiff
path: root/src/plugins/diffeditor/unifieddiffeditorwidget.h
blob: cea94acdafdff66fe18a5b172804c4f922c2505a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#pragma once

#include "selectabletexteditorwidget.h"
#include "diffeditorwidgetcontroller.h"

namespace Core { class IContext; }

namespace TextEditor {
class DisplaySettings;
class FontSettings;
}

namespace DiffEditor {

class ChunkData;
class FileData;
class ChunkSelection;

namespace Internal {

class DiffEditorDocument;

class UnifiedDiffEditorWidget : public SelectableTextEditorWidget
{
    Q_OBJECT
public:
    UnifiedDiffEditorWidget(QWidget *parent = nullptr);

    void setDocument(DiffEditorDocument *document);
    DiffEditorDocument *diffDocument() const;

    void setDiff(const QList<FileData> &diffFileList,
                 const QString &workingDirectory);
    void setCurrentDiffFileIndex(int diffFileIndex);

    void saveState();

    using TextEditor::TextEditorWidget::restoreState;
    void restoreState();

    void clear(const QString &message = QString());
    void setDisplaySettings(const TextEditor::DisplaySettings &ds) override;

signals:
    void currentDiffFileIndexChanged(int index);

protected:
    void mouseDoubleClickEvent(QMouseEvent *e) override;
    void keyPressEvent(QKeyEvent *e) override;
    void contextMenuEvent(QContextMenuEvent *e) override;
    QString lineNumber(int blockNumber) const override;
    int lineNumberDigits() const override;

private:
    void setFontSettings(const TextEditor::FontSettings &fontSettings);

    void slotCursorPositionChangedInEditor();

    void setLeftLineNumber(int blockNumber, int lineNumber, int rowNumberInChunk);
    void setRightLineNumber(int blockNumber, int lineNumber, int rowNumberInChunk);
    void setFileInfo(int blockNumber,
                     const DiffFileInfo &leftFileInfo,
                     const DiffFileInfo &rightFileInfo);
    void setChunkIndex(int startBlockNumber, int blockCount, int chunkIndex);
    void showDiff();
    QString showChunk(const ChunkData &chunkData,
                      bool lastChunk,
                      int *blockNumber,
                      int *charNumber,
                      QMap<int, QList<DiffSelection> > *selections);
    int blockNumberForFileIndex(int fileIndex) const;
    int fileIndexForBlockNumber(int blockNumber) const;
    int chunkIndexForBlockNumber(int blockNumber) const;
    void jumpToOriginalFile(const QTextCursor &cursor);
    void addContextMenuActions(QMenu *menu,
                               int fileIndex,
                               int chunkIndex,
                               const ChunkSelection &selection);

    // block number, visual line number, chunk row number
    QMap<int, QPair<int, int> > m_leftLineNumbers;
    QMap<int, QPair<int, int> > m_rightLineNumbers;

    DiffEditorWidgetController m_controller;

    int m_leftLineNumberDigits = 1;
    int m_rightLineNumberDigits = 1;
    // block number, visual line number.
    QMap<int, QPair<DiffFileInfo, DiffFileInfo> > m_fileInfo;
    // start block number, block count of a chunk, chunk index inside a file.
    QMap<int, QPair<int, int> > m_chunkInfo;

    QByteArray m_state;
};

} // namespace Internal
} // namespace DiffEditor