203 lines
8.7 KiB
C++
203 lines
8.7 KiB
C++
/***************************************************************************
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* Copyright (C) 2007 by Alexis Ménard <darktears31@gmail.com> *
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* Copyright (C) 2007 Sebastian Kuegler <sebas@kde.org> *
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* Copyright (C) 2006 Aaron Seigo <aseigo@kde.org> *
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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 "dialog.h"
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#include <QPainter>
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#include <QSvgRenderer>
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#include <QResizeEvent>
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#include <QMouseEvent>
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#ifdef Q_WS_X11
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#include <QX11Info>
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#endif
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#include <QGraphicsView>
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#include <QtGui/QGraphicsSceneEvent>
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#include <KDebug>
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#include <NETRootInfo>
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#include <plasma/svg.h>
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#ifdef Q_WS_X11
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#include <X11/Xlib.h>
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#endif
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namespace Plasma
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{
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Dialog::Dialog( QWidget * parent, Qt::WindowFlags f )
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: QWidget(parent, f),
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m_cachedBackground(0)
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{
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m_background = new Plasma::Svg("dialogs/background", this);
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const int topHeight = m_background->elementSize("top").height();
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const int leftWidth = m_background->elementSize("left").width();
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const int rightWidth = m_background->elementSize("right").width();
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const int bottomHeight = m_background->elementSize("bottom").height();
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setContentsMargins(leftWidth, topHeight, rightWidth, bottomHeight);
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connect(m_background, SIGNAL(repaintNeeded()), this, SLOT(update()));
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}
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Dialog::~Dialog()
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{
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}
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void Dialog::paintEvent(QPaintEvent *e)
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{
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QPainter p(this);
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p.setRenderHint(QPainter::Antialiasing);
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p.setClipRect(e->rect());
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p.setCompositionMode(QPainter::CompositionMode_Source );
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p.fillRect(rect(), Qt::transparent);
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paintBackground(&p, e->rect());
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}
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void Dialog::paintBackground(QPainter* painter, const QRect &exposedRect)
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{
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if (!m_cachedBackground || m_cachedBackground->size() != rect().size()) {
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const int contentWidth = rect().width();
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const int contentHeight = rect().height();
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m_background->resize();
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const int topHeight = m_background->elementSize("top").height();
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const int topWidth = m_background->elementSize("top").width();
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const int leftWidth = m_background->elementSize("left").width();
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const int leftHeight = m_background->elementSize("left").height();
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const int rightHeight = m_background->elementSize("right").height();
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const int rightWidth = m_background->elementSize("right").width();
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const int bottomHeight = m_background->elementSize("bottom").height();
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const int bottomWidth = m_background->elementSize("bottom").width();
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const int topOffset = 0;
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const int leftOffset = 0;
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const int rightOffset = contentWidth - rightWidth;
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const int bottomOffset = contentHeight - bottomHeight;
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const int contentTop = topHeight;
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const int contentLeft = leftWidth;
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delete m_cachedBackground;
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m_cachedBackground = new QPixmap(contentWidth, contentHeight);
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m_cachedBackground->fill(Qt::transparent);
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QPainter p(m_cachedBackground);
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p.setCompositionMode(QPainter::CompositionMode_Source);
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p.setRenderHint(QPainter::SmoothPixmapTransform);
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//FIXME: This is a hack to fix a drawing problems with svg files where a thin transparent border is drawn around the svg image.
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// the transparent border around the svg seems to vary in size depending on the size of the svg and as a result increasing the
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// svn image by 2 all around didn't resolve the issue. For now it resizes based on the border size.
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m_background->resize(contentWidth, contentHeight);
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m_background->paint(&p, QRect(leftOffset, topOffset, contentWidth, contentHeight), "center");
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m_background->resize();
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m_background->paint(&p, QRect(leftOffset, topOffset, leftWidth, topHeight), "topleft");
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m_background->paint(&p, QRect(rightOffset, topOffset, rightWidth, topHeight), "topright");
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m_background->paint(&p, QRect(leftOffset, bottomOffset, leftWidth, bottomHeight), "bottomleft");
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m_background->paint(&p, QRect(rightOffset, bottomOffset, rightWidth, bottomHeight), "bottomright");
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if (m_background->elementExists("hint-stretch-borders")) {
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m_background->paint(&p, QRect(leftOffset, contentTop, leftWidth, contentHeight), "left");
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m_background->paint(&p, QRect(rightOffset, contentTop, rightWidth, contentHeight), "right");
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m_background->paint(&p, QRect(contentLeft, topOffset, contentWidth, topHeight), "top");
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m_background->paint(&p, QRect(contentLeft, bottomOffset, contentWidth, bottomHeight), "bottom");
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} else {
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QPixmap left(leftWidth, leftHeight);
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left.fill(Qt::transparent);
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{
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QPainter sidePainter(&left);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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m_background->paint(&sidePainter, QPoint(0, 0), "left");
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}
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p.drawTiledPixmap(QRect(leftOffset, contentTop, leftWidth, contentHeight - topHeight - bottomHeight), left);
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QPixmap right(rightWidth, rightHeight);
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right.fill(Qt::transparent);
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{
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QPainter sidePainter(&right);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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m_background->paint(&sidePainter, QPoint(0, 0), "right");
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}
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p.drawTiledPixmap(QRect(rightOffset, contentTop, rightWidth, contentHeight - topHeight - bottomHeight), right);
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QPixmap top(topWidth, topHeight);
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top.fill(Qt::transparent);
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{
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QPainter sidePainter(&top);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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m_background->paint(&sidePainter, QPoint(0, 0), "top");
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}
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p.drawTiledPixmap(QRect(contentLeft, topOffset, contentWidth - rightWidth - leftWidth, topHeight), top);
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QPixmap bottom(bottomWidth, bottomHeight);
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bottom.fill(Qt::transparent);
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{
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QPainter sidePainter(&bottom);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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m_background->paint(&sidePainter, QPoint(0, 0), "bottom");
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}
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p.drawTiledPixmap(QRect(contentLeft, bottomOffset, contentWidth - rightWidth - leftWidth, bottomHeight), bottom);
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}
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// re-enable this once Qt's svg rendering is un-buggered
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//background->resize(contentWidth, contentHeight);
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//background->paint(&p, QRect(contentLeft, contentTop, contentWidth, contentHeight), "center");
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}
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painter->drawPixmap(exposedRect, *m_cachedBackground, exposedRect);
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}
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void Dialog::position(QGraphicsSceneEvent *event, const QRectF boundingRect, QPointF scenePos)
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{
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QWidget *viewWidget = event->widget() ? event->widget()->parentWidget() : 0;
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//QPointF scenePos = mapToScene(boundingRect.topLeft());
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QGraphicsView *view = qobject_cast<QGraphicsView*>(viewWidget);
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position(view,boundingRect,scenePos);
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}
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void Dialog::position(QGraphicsView * view,const QRectF boundingRect,QPointF scenePos)
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{
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if (view) {
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QPoint viewPos = view->mapFromScene(scenePos);
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QPoint globalPos = view->mapToGlobal(viewPos);
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if ((globalPos.ry()-height())< 0) {
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scenePos = QPointF(scenePos.x() + boundingRect.width(), scenePos.y() + boundingRect.height());
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viewPos = view->mapFromScene(scenePos);
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globalPos = view->mapToGlobal(viewPos)+QPoint(0,10);
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}
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else {
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globalPos.ry() -= (height()+10);
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}
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if ((globalPos.rx() + width()) > view->width()) {
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globalPos.rx()-=((globalPos.rx() + width())-view->width());
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}
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move(globalPos);
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kDebug() << globalPos;
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}
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}
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}
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#include "dialog.moc"
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