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/*
* Copyright (C) 2015-2016 Canonical, Ltd.
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License version 3, as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
* SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MOUSEPOINTER_H
#define MOUSEPOINTER_H
// Qt
#include <QPointer>
#include <QWindow>
#include <QScreen>
// Unity API
#include <unity/shell/application/MirMousePointerInterface.h>
class MousePointer : public MirMousePointerInterface {
Q_OBJECT
Q_PROPERTY(QQuickItem* confiningItem READ confiningItem WRITE setConfiningItem NOTIFY confiningItemChanged)
Q_PROPERTY(int topBoundaryOffset READ topBoundaryOffset WRITE setTopBoundaryOffset NOTIFY topBoundaryOffsetChanged)
public:
MousePointer(QQuickItem *parent = nullptr);
void setCursorName(const QString &qtCursorName) override;
QString cursorName() const override { return m_cursorName; }
void setThemeName(const QString &themeName) override;
QString themeName() const override { return m_themeName; }
void setCustomCursor(const QCursor &) override;
QQuickItem* confiningItem() const;
void setConfiningItem(QQuickItem*);
int topBoundaryOffset() const;
void setTopBoundaryOffset(int topBoundaryOffset);
public Q_SLOTS:
void handleMouseEvent(ulong timestamp, QPointF movement, Qt::MouseButtons buttons,
Qt::KeyboardModifiers modifiers) override;
void handleWheelEvent(ulong timestamp, QPoint angleDelta, Qt::KeyboardModifiers modifiers) override;
Q_SIGNALS:
void pushedLeftBoundary(qreal amount, Qt::MouseButtons buttons);
void pushedRightBoundary(qreal amount, Qt::MouseButtons buttons);
void pushedTopBoundary(qreal amount, Qt::MouseButtons buttons);
void pushedTopLeftCorner(qreal amount, Qt::MouseButtons buttons);
void pushedTopRightCorner(qreal amount, Qt::MouseButtons buttons);
void pushedBottomLeftCorner(qreal amount, Qt::MouseButtons buttons);
void pushedBottomRightCorner(qreal amount, Qt::MouseButtons buttons);
void pushStopped();
void mouseMoved();
void confiningItemChanged();
void topBoundaryOffsetChanged(int topBoundaryOffset);
protected:
void itemChange(ItemChange change, const ItemChangeData &value) override;
private Q_SLOTS:
void registerScreen(QScreen *screen);
private:
void registerWindow(QWindow *window);
void applyItemConfinement(qreal &newX, qreal &newY);
QPointer<QWindow> m_registeredWindow;
QPointer<QScreen> m_registeredScreen;
QString m_cursorName;
QString m_themeName;
// Accumulated, unapplied, mouse movement.
QPointF m_accumulatedMovement;
QPointer<QQuickItem> m_confiningItem;
int m_topBoundaryOffset{0};
bool m_pushing{false};
};
#endif // MOUSEPOINTER_H
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