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102 lines
3.4 KiB
102 lines
3.4 KiB
/***************************************************************************
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* Copyright (C) 2006-2007 by Rajko Albrecht *
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* ral@alwins-world.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include "pannerview.h"
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#include <tqpainter.h>
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PannerView::PannerView(TQWidget* parent, const char* name)
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: TQCanvasView(parent, name,WNoAutoErase | WStaticContents )
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{
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m_Moving = false;
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viewport()->setBackgroundMode(TQt::NoBackground);
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setBackgroundMode(TQt::NoBackground);
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}
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PannerView::~PannerView()
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{
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}
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void PannerView::drawContents(TQPainter* p, int clipx, int clipy, int clipw, int cliph)
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{
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p->save();
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TQCanvasView::drawContents(p,clipx,clipy,clipw,cliph);
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p->restore();
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if (m_ZoomRect.isValid()) {
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p->setPen(red.dark());
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p->drawRect(m_ZoomRect);
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p->setPen( red);
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p->drawRect(TQRect(m_ZoomRect.x()+1, m_ZoomRect.y()+1,
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m_ZoomRect.width()-2, m_ZoomRect.height()-2));
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}
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}
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void PannerView::setZoomRect(const TQRect& theValue)
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{
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TQRect oldRect = m_ZoomRect;
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m_ZoomRect = theValue;
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updateContents(oldRect);
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updateContents(m_ZoomRect);
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}
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/*!
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\fn PannerView::contentsMouseMoveEvent(TQMouseEvent* e)
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*/
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void PannerView::contentsMouseMoveEvent(TQMouseEvent* e)
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{
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if (m_Moving) {
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emit zoomRectMoved(e->pos().x() - m_LastPos.x(), e->pos().y() - m_LastPos.y());
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m_LastPos = e->pos();
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}
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}
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/*!
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\fn PannerView::contentsMousePressEvent(TQMouseEvent* e)
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*/
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void PannerView::contentsMousePressEvent(TQMouseEvent* e)
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{
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if (m_ZoomRect.isValid()) {
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if (!m_ZoomRect.contains(e->pos())) {
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emit zoomRectMoved(e->pos().x() - m_ZoomRect.center().x(),
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e->pos().y() - m_ZoomRect.center().y());
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}
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m_Moving = true;
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m_LastPos = e->pos();
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}
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}
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/*!
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\fn PannerView::contentsMouseReleaseEvent(TQMouseEvent*)
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*/
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void PannerView::contentsMouseReleaseEvent(TQMouseEvent*)
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{
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m_Moving = false;
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emit zoomRectMoveFinished();
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}
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/*!
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\fn PannerView::updateCurrentRect()
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*/
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void PannerView::updateCurrentRect()
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{
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if (m_ZoomRect.isValid()) updateContents(m_ZoomRect);
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}
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#include "pannerview.moc"
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