paletteeditor.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
#ifndef PALETTEEDITOR_H
#define PALETTEEDITOR_H
 
#include "ui_paletteeditor.h"
#include <QtWidgets/qitemdelegate.h>
 
QT_BEGIN_NAMESPACE
 
class QAction;
class QListView;
class QMenu;
class QLabel;
class QtColorButton;
class QDesignerFormEditorInterface;
 
namespace qdesigner_internal {
 
class PaletteEditor: public QDialog
{
    Q_OBJECT
public:
    ~PaletteEditor() override;
 
    static QPalette getPalette(QDesignerFormEditorInterface *core,
                QWidget* parent, const QPalette &init = QPalette(),
                const QPalette &parentPal = QPalette(), int *result = nullptr);
 
    QPalette palette() const;
    void setPalette(const QPalette &palette);
    void setPalette(const QPalette &palette, const QPalette &parentPalette);
 
private slots:
 
    void buildButtonColorChanged();
    void activeRadioClicked();
    void inactiveRadioClicked();
    void disabledRadioClicked();
    void computeRadioClicked();
    void detailsRadioClicked();
 
    void paletteChanged(const QPalette &palette);
    void viewContextMenuRequested(QPoint pos);
    void save();
    void load();
 
protected:
 
private:
    PaletteEditor(QDesignerFormEditorInterface *core, QWidget *parent);
    void buildPalette();
 
    void updatePreviewPalette();
    void updateStyledButton();
 
    QPalette::ColorGroup currentColorGroup() const
        { return m_currentColorGroup; }
 
    Ui::PaletteEditor ui;
    QPalette m_editPalette;
    QPalette m_parentPalette;
    class PaletteModel *m_paletteModel;
    QDesignerFormEditorInterface *m_core;
    QAction *m_lighterAction = nullptr;
    QAction *m_darkerAction = nullptr;
    QAction *m_copyColorAction = nullptr;
    QMenu *m_contextMenu = nullptr;
    QPalette::ColorGroup m_currentColorGroup = QPalette::Active;
    bool m_modelUpdated = false;
    bool m_paletteUpdated = false;
    bool m_compute = true;
};
 
 
class PaletteModel : public QAbstractTableModel
{
    Q_OBJECT
    Q_PROPERTY(QPalette::ColorRole colorRole READ colorRole)
public:
    explicit PaletteModel(QObject *parent = nullptr);
 
    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
    QVariant data(const QModelIndex &index, int role) const override;
    bool setData(const QModelIndex &index, const QVariant &value, int role) override;
    Qt::ItemFlags flags(const QModelIndex &index) const override;
    QVariant headerData(int section, Qt::Orientation orientation,
                int role = Qt::DisplayRole) const override;
 
    QPalette getPalette() const;
    void setPalette(const QPalette &palette, const QPalette &parentPalette);
 
    QBrush brushAt(const QModelIndex &index) const;
 
    QPalette::ColorRole colorRole() const { return QPalette::NoRole; }
    void setCompute(bool on) { m_compute = on; }
 
    quint64 rowMask(const QModelIndex &index) const;
 
signals:
    void paletteChanged(const QPalette &palette);
private:
    struct RoleEntry
    {
        QString name;
        QPalette::ColorRole role;
    };
 
    QPalette::ColorGroup columnToGroup(int index) const;
    int groupToColumn(QPalette::ColorGroup group) const;
    QPalette::ColorRole roleAt(int row) const { return m_roleEntries.at(row).role; }
    int rowOf(QPalette::ColorRole role) const;
 
    QPalette m_palette;
    QPalette m_parentPalette;
    QList<RoleEntry> m_roleEntries;
    bool m_compute = true;
};
 
class BrushEditor : public QWidget
{
    Q_OBJECT
public:
    explicit BrushEditor(QDesignerFormEditorInterface *core, QWidget *parent = nullptr);
 
    void setBrush(const QBrush &brush);
    QBrush brush() const;
    bool changed() const;
signals:
    void changed(QWidget *widget);
private slots:
    void brushChanged();
private:
    QtColorButton *m_button;
    bool m_changed = false;
    QDesignerFormEditorInterface *m_core;
};
 
class RoleEditor : public QWidget
{
    Q_OBJECT
public:
    explicit RoleEditor(QWidget *parent = nullptr);
 
    void setLabel(const QString &label);
    void setEdited(bool on);
    bool edited() const;
signals:
    void changed(QWidget *widget);
private slots:
    void emitResetProperty();
private:
    QLabel *m_label;
    bool m_edited = false;
};
 
class ColorDelegate : public QItemDelegate
{
    Q_OBJECT
 
public:
    explicit ColorDelegate(QDesignerFormEditorInterface *core, QObject *parent = nullptr);
 
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
                          const QModelIndex &index) const override;
 
    void setEditorData(QWidget *ed, const QModelIndex &index) const override;
    void setModelData(QWidget *ed, QAbstractItemModel *model,
                      const QModelIndex &index) const override;
 
    void updateEditorGeometry(QWidget *ed, const QStyleOptionViewItem &option,
                              const QModelIndex &index) const override;
 
    void paint(QPainter *painter, const QStyleOptionViewItem &opt,
               const QModelIndex &index) const override;
    QSize sizeHint(const QStyleOptionViewItem &opt, const QModelIndex &index) const override;
private:
    QDesignerFormEditorInterface *m_core;
};
 
}  // namespace qdesigner_internal
 
QT_END_NAMESPACE
 
#endif // PALETTEEDITOR_H