835035a94d
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=866468
186 lines
4.1 KiB
C++
186 lines
4.1 KiB
C++
/*
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* Copyright 2008 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 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 "label.h"
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#include <QLabel>
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#include <QPainter>
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#include <QDir>
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#include <KMimeType>
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#include "theme.h"
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#include "svg.h"
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namespace Plasma
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{
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class LabelPrivate
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{
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public:
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LabelPrivate(Label *label)
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: q(label),
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svg(0)
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{
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}
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~LabelPrivate()
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{
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delete svg;
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}
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void setPixmap(Label *q)
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{
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if (imagePath.isEmpty()) {
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return;
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}
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KMimeType::Ptr mime = KMimeType::findByPath(absImagePath);
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QPixmap pm(q->size().toSize());
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if (mime->is("image/svg+xml") || mime->is("application/x-gzip")) {
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svg = new Svg();
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svg->setImagePath(imagePath);
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QPainter p(&pm);
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svg->paint(&p, pm.rect());
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} else {
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pm = QPixmap(absImagePath);
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}
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static_cast<QLabel*>(q->widget())->setPixmap(pm);
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}
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void setPalette()
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{
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QLabel *native = q->nativeWidget();
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QColor color = Theme::defaultTheme()->color(Theme::TextColor);
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QPalette p = native->palette();
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p.setColor(QPalette::Normal, QPalette::WindowText, color);
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p.setColor(QPalette::Inactive, QPalette::WindowText, color);
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native->setPalette(p);
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}
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Label *q;
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QString imagePath;
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QString absImagePath;
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Svg *svg;
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};
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Label::Label(QGraphicsWidget *parent)
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: QGraphicsProxyWidget(parent),
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d(new LabelPrivate(this))
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{
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QLabel* native = new QLabel;
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connect(native, SIGNAL(linkActivated(QString)), this, SIGNAL(linkActivated(QString)));
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connect(Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(setPalette()));
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native->setAttribute(Qt::WA_NoSystemBackground);
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native->setWordWrap(true);
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setWidget(native);
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d->setPalette();
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}
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Label::~Label()
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{
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delete d;
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}
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void Label::setText(const QString &text)
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{
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static_cast<QLabel*>(widget())->setText(text);
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}
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QString Label::text() const
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{
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return static_cast<QLabel*>(widget())->text();
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}
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void Label::setImage(const QString &path)
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{
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if (d->imagePath == path) {
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return;
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}
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delete d->svg;
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d->svg = 0;
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d->imagePath = path;
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bool absolutePath = !path.isEmpty() &&
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#ifdef Q_WS_WIN
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!QDir::isRelativePath(path)
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#else
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(path[0] == '/' || path.startsWith(":/"))
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#endif
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;
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if (absolutePath) {
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d->absImagePath = path;
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} else {
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//TODO: package support
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d->absImagePath = Theme::defaultTheme()->imagePath(path);
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}
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d->setPixmap(this);
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}
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QString Label::image() const
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{
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return d->imagePath;
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}
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void Label::setStyleSheet(const QString &stylesheet)
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{
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widget()->setStyleSheet(stylesheet);
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}
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QString Label::styleSheet()
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{
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return widget()->styleSheet();
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}
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QLabel* Label::nativeWidget() const
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{
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return static_cast<QLabel*>(widget());
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}
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void Label::dataUpdated(const QString &sourceName, const Plasma::DataEngine::Data &data)
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{
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Q_UNUSED(sourceName)
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QStringList texts;
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foreach (const QVariant& v, data) {
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if (v.canConvert(QVariant::String)) {
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texts << v.toString();
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}
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}
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setText(texts.join(" "));
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}
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void Label::resizeEvent(QGraphicsSceneResizeEvent *event)
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{
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d->setPixmap(this);
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QGraphicsProxyWidget::resizeEvent(event);
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}
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} // namespace Plasma
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#include <label.moc>
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