kwin/kcmkwin/kwindecoration/declarative-plugin/previewitem.h

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/*
* Copyright 2014 Martin Gräßlin <mgraesslin@kde.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef KDECOARTIONS_PREVIEW_ITEM_H
#define KDECOARTIONS_PREVIEW_ITEM_H
#include <QQuickPaintedItem>
#include <QPointer>
namespace KDecoration2
{
class Decoration;
class DecorationSettings;
namespace Preview
{
class PreviewBridge;
class PreviewClient;
class Settings;
class PreviewItem : public QQuickPaintedItem
{
Q_OBJECT
Q_PROPERTY(KDecoration2::Decoration *decoration READ decoration NOTIFY decorationChanged)
Q_PROPERTY(KDecoration2::Preview::PreviewBridge *bridge READ bridge WRITE setBridge NOTIFY bridgeChanged)
Q_PROPERTY(KDecoration2::Preview::Settings *settings READ settings WRITE setSettings NOTIFY settingsChanged)
Q_PROPERTY(KDecoration2::Preview::PreviewClient *client READ client)
Q_PROPERTY(QColor windowColor READ windowColor WRITE setWindowColor NOTIFY windowColorChanged)
Q_PROPERTY(bool drawBackground READ isDrawingBackground WRITE setDrawingBackground NOTIFY drawingBackgroundChanged)
public:
PreviewItem(QQuickItem *parent = nullptr);
virtual ~PreviewItem();
void paint(QPainter *painter);
KDecoration2::Decoration *decoration() const;
void setDecoration(KDecoration2::Decoration *deco);
QColor windowColor() const;
void setWindowColor(const QColor &color);
bool isDrawingBackground() const;
void setDrawingBackground(bool set);
PreviewBridge *bridge() const;
void setBridge(PreviewBridge *bridge);
Settings *settings() const;
void setSettings(Settings *settings);
PreviewClient *client();
Q_SIGNALS:
void decorationChanged(KDecoration2::Decoration *deco);
void windowColorChanged(const QColor &color);
void drawingBackgroundChanged(bool);
void bridgeChanged();
void settingsChanged();
protected:
void mouseDoubleClickEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void mousePressEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void hoverEnterEvent(QHoverEvent *event) override;
void hoverLeaveEvent(QHoverEvent *event) override;
void hoverMoveEvent(QHoverEvent *event) override;
void componentComplete() override;
private:
void paintShadow(QPainter *painter, int &paddingLeft, int &paddingRight, int &paddingTop, int &paddingBottom);
void syncSize();
void createDecoration();
Decoration *m_decoration;
QColor m_windowColor;
bool m_drawBackground = true;
QPointer<KDecoration2::Preview::PreviewBridge> m_bridge;
QPointer<KDecoration2::Preview::Settings> m_settings;
QPointer<KDecoration2::Preview::PreviewClient> m_client;
};
} // Preview
} // KDecoration2
#endif