plasma-framework/declarativeimports/qtextracomponents/mouseeventlistener.h

101 lines
3.0 KiB
C++

/*
Copyright 2011 Marco Martin <notmart@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef MOUSEEVENTLISTENER_H
#define MOUSEEVENTLISTENER_H
#include <QDeclarativeItem>
class QDeclarativeMouseEvent : public QObject
{
Q_OBJECT
Q_PROPERTY(int x READ x)
Q_PROPERTY(int y READ y)
Q_PROPERTY(int screenX READ screenX)
Q_PROPERTY(int screenY READ screenY)
Q_PROPERTY(int button READ button)
Q_PROPERTY(int buttons READ buttons)
Q_PROPERTY(int modifiers READ modifiers)
public:
QDeclarativeMouseEvent(int x, int y, int screenX, int screenY,
Qt::MouseButton button,
Qt::MouseButtons buttons,
Qt::KeyboardModifiers modifiers)
: m_x(x),
m_y(y),
m_screenX(screenX),
m_screenY(screenY),
m_button(button),
m_buttons(buttons),
m_modifiers(modifiers)
{}
int x() const { return m_x; }
int y() const { return m_y; }
int screenX() const { return m_screenX; }
int screenY() const { return m_screenY; }
int button() const { return m_button; }
int buttons() const { return m_buttons; }
int modifiers() const { return m_modifiers; }
// only for internal usage
void setX(int x) { m_x = x; }
void setY(int y) { m_y = y; }
private:
int m_x;
int m_y;
int m_screenX;
int m_screenY;
Qt::MouseButton m_button;
Qt::MouseButtons m_buttons;
Qt::KeyboardModifiers m_modifiers;
};
class MouseEventListener : public QDeclarativeItem
{
Q_OBJECT
public:
MouseEventListener(QDeclarativeItem *parent=0);
~MouseEventListener();
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
bool sceneEventFilter(QGraphicsItem *i, QEvent *e);
Q_SIGNALS:
void pressed(QDeclarativeMouseEvent *mouse);
void positionChanged(QDeclarativeMouseEvent *mouse);
void released(QDeclarativeMouseEvent *mouse);
void pressAndHold(QDeclarativeMouseEvent *mouse);
private Q_SLOTS:
void handlePressAndHold();
private:
bool m_pressed;
QDeclarativeMouseEvent* m_pressAndHoldEvent;
QPointF m_pressAndHoldPosition;
};
#endif