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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
/***************************************************************************
* *
* 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) any later version. *
* *
***************************************************************************/
#include <QEvent>
#include <QMouseEvent>
#include "canvasgesture_pan.h"
#include "canvas.h"
#include "scribusapp.h" // for qApp
#include "scribusview.h"
#include "util_icon.h"
PanGesture::PanGesture (CanvasMode* parent) : CanvasGesture(parent)
{
m_haveCursor = false;
}
void PanGesture::activate(bool fromGesture)
{
// qDebug() << "PanGesture::activate" << flag;
m_haveCursor = (qApp->overrideCursor() != NULL);
if ( (!fromGesture) && qApp->overrideCursor())
{
m_haveCursor = true;
m_cursor = *(qApp->overrideCursor());
}
else
{
m_haveCursor = false;
}
qApp->changeOverrideCursor(QCursor(loadIcon("HandC.xpm")));
}
void PanGesture::deactivate(bool forgesture)
{
// qDebug() << "PanGesture::deactivate" << forgesture;
if (m_haveCursor)
qApp->changeOverrideCursor(m_cursor);
}
void PanGesture::drawControls(QPainter* p)
{
m_delegate->drawControls(p);
}
void PanGesture::mousePressEvent(QMouseEvent* m)
{
FPoint m_canvasPoint = m_canvas->globalToCanvas(m->globalPos());
m_canvasRefPoint = QPointF(m_canvasPoint.x(), m_canvasPoint.y());
}
void PanGesture::mouseMoveEvent(QMouseEvent* m)
{
FPoint m_canvasPoint = m_canvas->globalToCanvas(m->globalPos());
double scale = m_canvas->scale();
double dx = (m_canvasRefPoint.x() - m_canvasPoint.x()) * scale;
double dy = (m_canvasRefPoint.y() - m_canvasPoint.y()) * scale;
m_view->scrollBy(dx, dy);
}
void PanGesture::mouseReleaseEvent(QMouseEvent* m)
{
m_view->stopGesture();
}
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