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105 lines
2.6 KiB
105 lines
2.6 KiB
15 years ago
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/***************************************************************************
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copyright : (C) 2005-2006 by Robby Stephenson
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email : robby@periapsis.org
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***************************************************************************/
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/***************************************************************************
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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 version 2 of the GNU General Public License as *
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* published by the Free Software Foundation; *
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* *
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***************************************************************************/
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#include "overlaywidget.h"
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#include <qlayout.h>
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using Tellico::GUI::OverlayWidget;
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OverlayWidget::OverlayWidget(QWidget* parent, QWidget* anchor) : QFrame(parent)
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, m_anchor(anchor)
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, m_corner(TopRight) {
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m_anchor->installEventFilter(this);
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reposition();
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hide();
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}
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void OverlayWidget::setCorner(Corner corner_) {
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if(corner_ == m_corner) {
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return;
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}
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m_corner = corner_;
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reposition();
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}
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void OverlayWidget::addWidget(QWidget* widget_) {
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layout()->add(widget_);
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adjustSize();
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}
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void OverlayWidget::reposition() {
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if(!m_anchor) {
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return;
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}
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setMaximumSize(parentWidget()->size());
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adjustSize();
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QPoint p;
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switch(m_corner) {
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case BottomLeft:
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p.setX(0);
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p.setY(m_anchor->height());
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break;
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case BottomRight:
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p.setX(m_anchor->width() - width());
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p.setY(m_anchor->height());
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break;
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case TopLeft:
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p.setX(0);
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p.setY(-1 * height());
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break;
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case TopRight:
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p.setX(m_anchor->width() - width());
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p.setY(-1 * height());
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}
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// Position in the toplevelwidget's coordinates
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QPoint pTopLevel = m_anchor->mapTo(topLevelWidget(), p);
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// Position in the widget's parentWidget coordinates
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QPoint pParent = parentWidget()->mapFrom(topLevelWidget(), pTopLevel);
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// keep it on the screen
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if(pParent.x() < 0) {
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pParent.rx() = 0;
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}
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move(pParent);
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}
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bool OverlayWidget::eventFilter(QObject* object_, QEvent* event_) {
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if(object_ == m_anchor && (event_->type() == QEvent::Move || event_->type() == QEvent::Resize)) {
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reposition();
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}
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return QFrame::eventFilter(object_, event_);
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}
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void OverlayWidget::resizeEvent(QResizeEvent* event_) {
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reposition();
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QFrame::resizeEvent(event_);
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}
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bool OverlayWidget::event(QEvent* event_) {
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if(event_->type() == QEvent::ChildInserted) {
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adjustSize();
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}
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return QFrame::event(event_);
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}
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#include "overlaywidget.moc"
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