File indexing completed on 2024-05-19 04:40:07 

0001 /*
0002     SPDX-FileCopyrightText: 2017-2018 Friedrich W. H. Kossebau <kossebau@kde.org>
0003 
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006 
0007 #ifndef KDEVPLATFORM_VCSANNOTATIONITEMDELEGATE_H
0008 #define KDEVPLATFORM_VCSANNOTATIONITEMDELEGATE_H
0009 
0010 // KDev
0011 #include <vcsrevision.h>
0012 // KF
0013 #include <KTextEditor/AbstractAnnotationItemDelegate>
0014 // Qt
0015 #include <QHash>
0016 #include <QBrush>
0017 
0018 namespace KDevelop
0019 {
0020 class VcsAnnotationLine;
0021 
0022 class VcsAnnotationItemDelegate : public KTextEditor::AbstractAnnotationItemDelegate
0023 {
0024     Q_OBJECT
0025 
0026 public:
0027     VcsAnnotationItemDelegate(KTextEditor::View* view, KTextEditor::AnnotationModel* model, QObject* parent);
0028     ~VcsAnnotationItemDelegate() override;
0029 
0030 public: // AbstractAnnotationItemDelegate APO
0031     void paint(QPainter* painter, const KTextEditor::StyleOptionAnnotationItem& option,
0032                KTextEditor::AnnotationModel* model, int line) const override;
0033     QSize sizeHint(const KTextEditor::StyleOptionAnnotationItem& option,
0034                    KTextEditor::AnnotationModel* model, int line) const override;
0035     bool helpEvent(QHelpEvent* event, KTextEditor::View* view,
0036                    const KTextEditor::StyleOptionAnnotationItem& option,
0037                    KTextEditor::AnnotationModel *model, int line) override;
0038     void hideTooltip(KTextEditor::View *view) override;
0039 
0040 private:
0041     void renderBackground(QPainter* painter,
0042                           const KTextEditor::StyleOptionAnnotationItem& option,
0043                           const VcsAnnotationLine& annotationLine) const;
0044     void renderMessageAndAge(QPainter* painter,
0045                              const KTextEditor::StyleOptionAnnotationItem& option,
0046                              const QRect& messageRect, const QString& messageText,
0047                              const QRect& ageRect, const QString& ageText) const;
0048     void renderAuthor(QPainter* painter,
0049                       const KTextEditor::StyleOptionAnnotationItem& option,
0050                       const QRect& authorRect, const QString& authorText) const;
0051     void renderHighlight(QPainter* painter,
0052                          const KTextEditor::StyleOptionAnnotationItem& option) const;
0053     void doMessageLineLayout(const KTextEditor::StyleOptionAnnotationItem& option,
0054                              QRect* messageRect, QRect* ageRect) const;
0055     void doAuthorLineLayout(const KTextEditor::StyleOptionAnnotationItem& option,
0056                             QRect* authorRect) const;
0057 
0058 protected: // QObject API
0059     bool eventFilter(QObject* object, QEvent* event) override;
0060 
0061 private Q_SLOTS:
0062     void resetBackgrounds();
0063 
0064 private:
0065     int widthHintFromViewWidth(int viewWidth) const;
0066 
0067 private:
0068     KTextEditor::AnnotationModel* const m_model;
0069 
0070     // TODO: make this configurable
0071     const int m_maxWidthViewPercent = 25;
0072 
0073     mutable QHash<VcsRevision, QBrush> m_backgrounds;
0074 
0075     mutable int m_lastCharBasedWidthHint = 0;
0076     mutable int m_lastViewBasedWidthHint = 0;
0077 };
0078 
0079 }
0080 
0081 #endif