714 lines
22 KiB
C++
714 lines
22 KiB
C++
/*
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* Copyright 2008 by Aaron Seigo <aseigo@kde.org>
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* Copyright 2008 Marco Martin <notmart@gmail.com>
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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 Library General Public License as
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* published by the Free Software Foundation; either version 2, 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 Library General Public
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* License 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 "framesvg.h"
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#include "private/framesvg_p.h"
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#include <QPainter>
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#include <QSize>
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#include <QBitmap>
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#include <QRegion>
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#include <QTimer>
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#include <QCryptographicHash>
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#include <kdebug.h>
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#include <plasma/theme.h>
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#include <plasma/applet.h>
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namespace Plasma
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{
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FrameSvg::FrameSvg(QObject *parent)
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: Svg(parent),
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d(new FrameSvgPrivate(this))
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{
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connect(this, SIGNAL(repaintNeeded()), this, SLOT(updateNeeded()));
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d->frames.insert(QString(), new FrameData());
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d->saveTimer = new QTimer(this);
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d->saveTimer->setSingleShot(true);
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connect(d->saveTimer, SIGNAL(timeout()), this, SLOT(scheduledCacheUpdate()));
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}
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FrameSvg::~FrameSvg()
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{
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delete d;
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}
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void FrameSvg::setImagePath(const QString &path)
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{
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if (path == imagePath()) {
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return;
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}
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Svg::setImagePath(path);
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setContainsMultipleImages(true);
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clearCache();
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d->updateAndSignalSizes();
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}
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void FrameSvg::setEnabledBorders(const EnabledBorders borders)
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{
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if (borders == d->frames[d->prefix]->enabledBorders) {
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return;
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}
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d->frames[d->prefix]->enabledBorders = borders;
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d->updateAndSignalSizes();
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}
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FrameSvg::EnabledBorders FrameSvg::enabledBorders() const
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{
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QHash<QString, FrameData*>::const_iterator it = d->frames.constFind(d->prefix);
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if (it != d->frames.constEnd()) {
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return it.value()->enabledBorders;
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} else {
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return NoBorder;
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}
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}
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void FrameSvg::setElementPrefix(Plasma::Location location)
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{
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switch (location) {
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case TopEdge:
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setElementPrefix("north");
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break;
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case BottomEdge:
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setElementPrefix("south");
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break;
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case LeftEdge:
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setElementPrefix("west");
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break;
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case RightEdge:
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setElementPrefix("east");
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break;
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default:
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setElementPrefix(QString());
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break;
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}
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d->location = location;
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}
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void FrameSvg::setElementPrefix(const QString & prefix)
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{
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const QString oldPrefix(d->prefix);
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if (!hasElement(prefix + "-center")) {
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d->prefix.clear();
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} else {
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d->prefix = prefix;
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if (!d->prefix.isEmpty()) {
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d->prefix += '-';
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}
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}
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if (oldPrefix == d->prefix && d->frames[oldPrefix]) {
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return;
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}
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if (!d->frames.contains(d->prefix)) {
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d->frames.insert(d->prefix, new FrameData(*(d->frames[oldPrefix])));
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d->updateSizes();
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}
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if (!d->cacheAll) {
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delete d->frames[oldPrefix];
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d->framesToSave.removeAll(oldPrefix);
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d->frames.remove(oldPrefix);
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}
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d->location = Floating;
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}
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bool FrameSvg::hasElementPrefix(const QString & prefix) const
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{
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//for now it simply checks if a center element exists,
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//because it could make sense for certain themes to not have all the elements
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if (prefix.isEmpty()) {
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return hasElement("center");
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} else {
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return hasElement(prefix + "-center");
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}
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}
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bool FrameSvg::hasElementPrefix(Plasma::Location location) const
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{
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switch (location) {
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case TopEdge:
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return hasElementPrefix("north");
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break;
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case BottomEdge:
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return hasElementPrefix("south");
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break;
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case LeftEdge:
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return hasElementPrefix("west");
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break;
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case RightEdge:
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return hasElementPrefix("east");
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break;
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default:
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return hasElementPrefix(QString());
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break;
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}
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}
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QString FrameSvg::prefix()
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{
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if (d->prefix.isEmpty()) {
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return d->prefix;
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}
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return d->prefix.left(d->prefix.size() - 1);
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}
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void FrameSvg::resizeFrame(const QSizeF &size)
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{
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if (size.isEmpty()) {
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kWarning() << "Invalid size" << size;
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return;
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}
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if (size == d->frames[d->prefix]->frameSize) {
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return;
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}
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d->updateSizes();
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d->frames[d->prefix]->frameSize = size.toSize();
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}
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QSizeF FrameSvg::frameSize() const
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{
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QHash<QString, FrameData*>::const_iterator it = d->frames.constFind(d->prefix);
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if (it != d->frames.constEnd()) {
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return it.value()->frameSize;
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} else {
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return QSize(-1, -1);
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}
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}
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qreal FrameSvg::marginSize(const Plasma::MarginEdge edge) const
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{
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if (d->frames[d->prefix]->noBorderPadding) {
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return .0;
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}
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switch (edge) {
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case Plasma::TopMargin:
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return d->frames[d->prefix]->topMargin;
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break;
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case Plasma::LeftMargin:
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return d->frames[d->prefix]->leftMargin;
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break;
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case Plasma::RightMargin:
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return d->frames[d->prefix]->rightMargin;
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break;
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//Plasma::BottomMargin
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default:
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return d->frames[d->prefix]->bottomMargin;
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break;
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}
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}
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void FrameSvg::getMargins(qreal &left, qreal &top, qreal &right, qreal &bottom) const
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{
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FrameData *frame = d->frames[d->prefix];
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if (!frame || frame->noBorderPadding) {
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left = top = right = bottom = 0;
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return;
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}
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top = frame->topMargin;
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left = frame->leftMargin;
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right = frame->rightMargin;
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bottom = frame->bottomMargin;
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}
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QRectF FrameSvg::contentsRect() const
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{
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QSizeF size(frameSize());
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if (size.isValid()) {
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QRectF rect(QPointF(0, 0), size);
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FrameData *frame = d->frames[d->prefix];
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return rect.adjusted(frame->leftMargin, frame->topMargin,
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-frame->rightMargin, -frame->bottomMargin);
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} else {
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return QRectF();
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}
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}
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QPixmap FrameSvg::alphaMask() const
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{
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FrameData *frame = d->frames[d->prefix];
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if (hasElement("mask-" + d->prefix + "center")) {
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QString oldPrefix = d->prefix;
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// We are setting the prefix only temporary to generate
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// the needed mask image
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d->prefix = "mask-" + oldPrefix;
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if (!d->frames.contains(d->prefix)) {
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d->frames.insert(d->prefix, new FrameData(*(d->frames[oldPrefix])));
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d->updateSizes();
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}
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FrameData *maskFrame = d->frames[d->prefix];
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if (maskFrame->cachedBackground.isNull() || maskFrame->frameSize != frame->frameSize ) {
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maskFrame->frameSize = frame->frameSize;
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maskFrame->cachedBackground = QPixmap();
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d->generateBackground(maskFrame);
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if (maskFrame->cachedBackground.isNull()) {
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return QPixmap();
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}
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}
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d->prefix = oldPrefix;
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return maskFrame->cachedBackground;
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} else {
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if (frame->cachedBackground.isNull()) {
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d->generateBackground(frame);
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if (frame->cachedBackground.isNull()) {
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return QPixmap();
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}
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}
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return frame->cachedBackground;
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}
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}
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QRegion FrameSvg::mask() const
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{
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FrameData *frame = d->frames[d->prefix];
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frame->cachedMask = QRegion(QBitmap(alphaMask().alphaChannel().createMaskFromColor(Qt::black)));
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return frame->cachedMask;
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}
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void FrameSvg::setCacheAllRenderedFrames(bool cache)
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{
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if (d->cacheAll && !cache) {
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clearCache();
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}
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d->cacheAll = cache;
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}
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bool FrameSvg::cacheAllRenderedFrames() const
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{
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return d->cacheAll;
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}
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void FrameSvg::clearCache()
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{
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FrameData *frame = d->frames[d->prefix];
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d->saveTimer->stop();
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d->framesToSave.clear();
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// delete all the frames that aren't this one
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QMutableHashIterator<QString, FrameData*> it(d->frames);
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while (it.hasNext()) {
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FrameData *p = it.next().value();
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if (frame != p) {
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delete p;
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it.remove();
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}
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}
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}
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QPixmap FrameSvg::framePixmap()
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{
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FrameData *frame = d->frames[d->prefix];
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if (frame->cachedBackground.isNull()) {
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d->generateBackground(frame);
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if (frame->cachedBackground.isNull()) {
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return QPixmap();
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}
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}
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return frame->cachedBackground;
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}
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void FrameSvg::paintFrame(QPainter *painter, const QRectF &target, const QRectF &source)
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{
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FrameData *frame = d->frames[d->prefix];
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if (frame->cachedBackground.isNull()) {
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d->generateBackground(frame);
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if (frame->cachedBackground.isNull()) {
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return;
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}
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}
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painter->drawPixmap(target, frame->cachedBackground, source.isValid() ? source : target);
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}
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void FrameSvg::paintFrame(QPainter *painter, const QPointF &pos)
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{
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FrameData *frame = d->frames[d->prefix];
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if (frame->cachedBackground.isNull()) {
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d->generateBackground(frame);
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if (frame->cachedBackground.isNull()) {
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return;
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}
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}
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painter->drawPixmap(pos, frame->cachedBackground);
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}
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void FrameSvgPrivate::generateBackground(FrameData *frame)
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{
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if (!frame->cachedBackground.isNull()) {
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return;
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}
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QString id = QString::fromLatin1("%5_%4_%3_%2_%1_").
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arg(frame->enabledBorders).arg(frame->frameSize.width()).arg(frame->frameSize.height()).arg(prefix).arg(q->imagePath());
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Theme *theme = Theme::defaultTheme();
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if (theme->findInCache(id, frame->cachedBackground) && !frame->cachedBackground.isNull()) {
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return;
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}
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//kDebug() << "generating background";
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const int topWidth = q->elementSize(prefix + "top").width();
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const int leftHeight = q->elementSize(prefix + "left").height();
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const int topOffset = 0;
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const int leftOffset = 0;
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if (!frame->frameSize.isValid()) {
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kWarning() << "Invalid frame size" << frame->frameSize;
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return;
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}
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const int contentWidth = frame->frameSize.width() - frame->leftWidth - frame->rightWidth;
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const int contentHeight = frame->frameSize.height() - frame->topHeight - frame->bottomHeight;
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int contentTop = 0;
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int contentLeft = 0;
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int rightOffset = contentWidth;
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int bottomOffset = contentHeight;
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frame->cachedBackground = QPixmap(frame->leftWidth + contentWidth + frame->rightWidth,
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frame->topHeight + contentHeight + frame->bottomHeight);
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frame->cachedBackground.fill(Qt::transparent);
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QPainter p(&frame->cachedBackground);
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p.setCompositionMode(QPainter::CompositionMode_Source);
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p.setRenderHint(QPainter::SmoothPixmapTransform);
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//CENTER
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if (frame->tileCenter) {
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if (contentHeight > 0 && contentWidth > 0) {
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const int centerTileHeight = q->elementSize(prefix + "center").height();
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const int centerTileWidth = q->elementSize(prefix + "center").width();
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QPixmap center(centerTileWidth, centerTileHeight);
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center.fill(Qt::transparent);
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{
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QPainter centerPainter(¢er);
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centerPainter.setCompositionMode(QPainter::CompositionMode_Source);
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q->paint(¢erPainter, QRect(QPoint(0, 0), q->elementSize(prefix + "center")), prefix + "center");
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}
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p.drawTiledPixmap(QRect(frame->leftWidth, frame->topHeight,
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contentWidth, contentHeight), center);
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}
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} else {
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if (contentHeight > 0 && contentWidth > 0) {
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q->paint(&p, QRect(frame->leftWidth, frame->topHeight,
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contentWidth, contentHeight),
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prefix + "center");
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}
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}
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// Corners
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if (frame->enabledBorders & FrameSvg::TopBorder && q->hasElement(prefix + "top")) {
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contentTop = frame->topHeight;
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bottomOffset += frame->topHeight;
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if (q->hasElement(prefix + "topleft") && frame->enabledBorders & FrameSvg::LeftBorder) {
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q->paint(&p, QRect(leftOffset, topOffset, frame->leftWidth, frame->topHeight), prefix + "topleft");
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contentLeft = frame->leftWidth;
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rightOffset = contentWidth + frame->leftWidth;
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}
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if (q->hasElement(prefix + "topright") && frame->enabledBorders & FrameSvg::RightBorder) {
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q->paint(&p, QRect(rightOffset, topOffset, frame->rightWidth, frame->topHeight), prefix + "topright");
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}
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}
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if (frame->enabledBorders & FrameSvg::BottomBorder && q->hasElement(prefix + "bottom")) {
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if (q->hasElement(prefix + "bottomleft") && frame->enabledBorders & FrameSvg::LeftBorder) {
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q->paint(&p, QRect(leftOffset, bottomOffset, frame->leftWidth, frame->bottomHeight), prefix + "bottomleft");
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contentLeft = frame->leftWidth;
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rightOffset = contentWidth + frame->leftWidth;
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}
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if (frame->enabledBorders & FrameSvg::RightBorder && q->hasElement(prefix + "bottomright")) {
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q->paint(&p, QRect(rightOffset, bottomOffset, frame->rightWidth, frame->bottomHeight), prefix + "bottomright");
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}
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}
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// Sides
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if (frame->stretchBorders) {
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if (frame->enabledBorders & FrameSvg::LeftBorder || frame->enabledBorders & FrameSvg::RightBorder) {
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if (q->hasElement(prefix + "left") &&
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frame->enabledBorders & FrameSvg::LeftBorder) {
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q->paint(&p, QRect(leftOffset, contentTop, frame->leftWidth, contentHeight), prefix + "left");
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}
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if (q->hasElement(prefix + "right") &&
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frame->enabledBorders & FrameSvg::RightBorder) {
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q->paint(&p, QRect(rightOffset, contentTop, frame->rightWidth, contentHeight), prefix + "right");
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}
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}
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if (frame->enabledBorders & FrameSvg::TopBorder || frame->enabledBorders & FrameSvg::BottomBorder) {
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if (frame->enabledBorders & FrameSvg::TopBorder && q->hasElement(prefix + "top")) {
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q->paint(&p, QRect(contentLeft, topOffset, contentWidth, frame->topHeight), prefix + "top");
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}
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if (frame->enabledBorders & FrameSvg::BottomBorder && q->hasElement(prefix + "bottom")) {
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q->paint(&p, QRect(contentLeft, bottomOffset, contentWidth, frame->bottomHeight), prefix + "bottom");
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}
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}
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} else {
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if (frame->enabledBorders & FrameSvg::LeftBorder && q->hasElement(prefix + "left")
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&& leftHeight > 0 && frame->leftWidth > 0) {
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QPixmap left(frame->leftWidth, leftHeight);
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left.fill(Qt::transparent);
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QPainter sidePainter(&left);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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q->paint(&sidePainter, QRect(QPoint(0, 0), left.size()), prefix + "left");
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p.drawTiledPixmap(QRect(leftOffset, contentTop, frame->leftWidth, contentHeight), left);
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}
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if (frame->enabledBorders & FrameSvg::RightBorder && q->hasElement(prefix + "right") &&
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leftHeight > 0 && frame->rightWidth > 0) {
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QPixmap right(frame->rightWidth, leftHeight);
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right.fill(Qt::transparent);
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QPainter sidePainter(&right);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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q->paint(&sidePainter, QRect(QPoint(0, 0), right.size()), prefix + "right");
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p.drawTiledPixmap(QRect(rightOffset, contentTop, frame->rightWidth, contentHeight), right);
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}
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if (frame->enabledBorders & FrameSvg::TopBorder && q->hasElement(prefix + "top")
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&& topWidth > 0 && frame->topHeight > 0) {
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QPixmap top(topWidth, frame->topHeight);
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top.fill(Qt::transparent);
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QPainter sidePainter(&top);
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sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
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q->paint(&sidePainter, QRect(QPoint(0, 0), top.size()), prefix + "top");
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p.drawTiledPixmap(QRect(contentLeft, topOffset, contentWidth, frame->topHeight), top);
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}
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if (frame->enabledBorders & FrameSvg::BottomBorder && q->hasElement(prefix + "bottom")
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&& topWidth > 0 && frame->bottomHeight > 0) {
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|
QPixmap bottom(topWidth, frame->bottomHeight);
|
|
bottom.fill(Qt::transparent);
|
|
|
|
QPainter sidePainter(&bottom);
|
|
sidePainter.setCompositionMode(QPainter::CompositionMode_Source);
|
|
q->paint(&sidePainter, QRect(QPoint(0, 0), bottom.size()), prefix + "bottom");
|
|
|
|
p.drawTiledPixmap(QRect(contentLeft, bottomOffset, contentWidth, frame->bottomHeight), bottom);
|
|
}
|
|
}
|
|
|
|
//Overlays
|
|
if (!prefix.startsWith("mask-") && q->hasElement(prefix+"overlay")) {
|
|
QPoint pos = QPoint(0, 0);
|
|
QSize overlaySize = q->elementSize(prefix+"overlay");
|
|
|
|
//Random pos, stretched and tiled are mutually exclusive
|
|
if (q->hasElement(prefix+"hint-overlay-random-pos")) {
|
|
pos = overlayPos;
|
|
//Stretched or Tiled?
|
|
} else if (q->hasElement(prefix+"hint-overlay-stretch")) {
|
|
overlaySize = frame->frameSize;
|
|
} else {
|
|
if (q->hasElement(prefix+"hint-overlay-tile-horizontal")) {
|
|
overlaySize.setWidth(frame->frameSize.width());
|
|
}
|
|
if (q->hasElement(prefix+"hint-overlay-tile-vertical")) {
|
|
overlaySize.setHeight(frame->frameSize.height());
|
|
}
|
|
}
|
|
|
|
QString id = QString::fromLatin1("overlay_%7_%6_%5_%4_%3_%2_%1_").
|
|
arg(overlayPos.y()).arg(overlayPos.x()).arg(frame->enabledBorders).arg(frame->frameSize.width()).arg(frame->frameSize.height()).arg(prefix).arg(q->imagePath());
|
|
|
|
QPixmap overlay = q->alphaMask();
|
|
|
|
QPainter overlayPainter(&overlay);
|
|
overlayPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
|
|
|
|
//Tiling?
|
|
if (q->hasElement(prefix+"hint-overlay-tile-horizontal") ||
|
|
q->hasElement(prefix+"hint-overlay-tile-vertical")) {
|
|
|
|
QSize s = q->size();
|
|
q->resize(q->elementSize(prefix+"overlay"));
|
|
kWarning()<<"AAAAAAA"<<q->elementSize(prefix+"overlay");
|
|
overlayPainter.drawTiledPixmap(QRect(QPoint(0,0), overlaySize), q->pixmap(prefix+"overlay"));
|
|
q->resize(s);
|
|
} else {
|
|
q->paint(&overlayPainter, QRect(overlayPos, overlaySize), prefix+"overlay");
|
|
}
|
|
overlayPainter.end();
|
|
|
|
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
|
|
p.drawPixmap(overlayPos, overlay, QRect(overlayPos, overlaySize));
|
|
}
|
|
|
|
if (!framesToSave.contains(prefix)) {
|
|
framesToSave.append(prefix);
|
|
}
|
|
|
|
saveTimer->start(300);
|
|
}
|
|
|
|
|
|
void FrameSvgPrivate::scheduledCacheUpdate()
|
|
{
|
|
foreach ( QString prefixToSave, framesToSave) {
|
|
//insert background
|
|
FrameData *frame = frames[prefix];
|
|
framesToSave.removeAll(prefixToSave);
|
|
|
|
QString id = QString::fromLatin1("%5_%4_%3_%2_%1_").
|
|
arg(frame->enabledBorders).arg(frame->frameSize.width()).arg(frame->frameSize.height()).arg(prefix).arg(q->imagePath());
|
|
|
|
//kDebug()<<"Saving to cache frame"<<id;
|
|
|
|
Theme::defaultTheme()->insertIntoCache(id, frame->cachedBackground);
|
|
|
|
//insert overlay
|
|
id = QString::fromLatin1("overlay_%7_%6_%5_%4_%3_%2_%1_").
|
|
arg(overlayPos.y()).arg(overlayPos.x()).arg(frame->enabledBorders).arg(frame->frameSize.width()).arg(frame->frameSize.height()).arg(prefix).arg(q->imagePath());
|
|
|
|
Theme::defaultTheme()->insertIntoCache(id, frame->cachedBackground);
|
|
}
|
|
}
|
|
|
|
void FrameSvgPrivate::updateSizes()
|
|
{
|
|
//kDebug() << "!!!!!!!!!!!!!!!!!!!!!! updating sizes" << prefix;
|
|
FrameData *frame = frames[prefix];
|
|
Q_ASSERT(frame);
|
|
|
|
QSize s = q->size();
|
|
q->resize();
|
|
frame->cachedBackground = QPixmap();
|
|
frame->cachedMask = QRegion();
|
|
|
|
if (frame->enabledBorders & FrameSvg::TopBorder) {
|
|
frame->topHeight = q->elementSize(prefix + "top").height();
|
|
|
|
if (q->hasElement(prefix + "hint-top-margin")) {
|
|
frame->topMargin = q->elementSize(prefix + "hint-top-margin").height();
|
|
} else {
|
|
frame->topMargin = frame->topHeight;
|
|
}
|
|
} else {
|
|
frame->topMargin = frame->topHeight = 0;
|
|
}
|
|
|
|
if (frame->enabledBorders & FrameSvg::LeftBorder) {
|
|
frame->leftWidth = q->elementSize(prefix + "left").width();
|
|
|
|
if (q->hasElement(prefix + "hint-left-margin")) {
|
|
frame->leftMargin = q->elementSize(prefix + "hint-left-margin").height();
|
|
} else {
|
|
frame->leftMargin = frame->leftWidth;
|
|
}
|
|
} else {
|
|
frame->leftMargin = frame->leftWidth = 0;
|
|
}
|
|
|
|
if (frame->enabledBorders & FrameSvg::RightBorder) {
|
|
frame->rightWidth = q->elementSize(prefix + "right").width();
|
|
|
|
if (q->hasElement(prefix + "hint-right-margin")) {
|
|
frame->rightMargin = q->elementSize(prefix + "hint-right-margin").height();
|
|
} else {
|
|
frame->rightMargin = frame->rightWidth;
|
|
}
|
|
} else {
|
|
frame->rightMargin = frame->rightWidth = 0;
|
|
}
|
|
|
|
if (frame->enabledBorders & FrameSvg::BottomBorder) {
|
|
frame->bottomHeight = q->elementSize(prefix + "bottom").height();
|
|
|
|
if (q->hasElement(prefix + "hint-bottom-margin")) {
|
|
frame->bottomMargin = q->elementSize(prefix + "hint-bottom-margin").height();
|
|
} else {
|
|
frame->bottomMargin = frame->bottomHeight;
|
|
}
|
|
} else {
|
|
frame->bottomMargin = frame->bottomHeight = 0;
|
|
}
|
|
|
|
//since it's rectangular, topWidth and bottomWidth must be the same
|
|
frame->tileCenter = q->hasElement("hint-tile-center");
|
|
frame->noBorderPadding = q->hasElement("hint-no-border-padding");
|
|
frame->stretchBorders = q->hasElement("hint-stretch-borders");
|
|
q->resize(s);
|
|
}
|
|
|
|
void FrameSvgPrivate::updateNeeded()
|
|
{
|
|
q->clearCache();
|
|
updateSizes();
|
|
}
|
|
|
|
void FrameSvgPrivate::updateAndSignalSizes()
|
|
{
|
|
updateSizes();
|
|
emit q->repaintNeeded();
|
|
}
|
|
|
|
} // Plasma namespace
|
|
|
|
#include "framesvg.moc"
|