318 lines
8.2 KiB
C++
318 lines
8.2 KiB
C++
/*
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* Copyright 2007 by Dan Meltzer <hydrogen@notyetimplemented.com>
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* Copyright (C) 2008 by Alexis Ménard <darktears31@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 "tooltip_p.h"
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#include "windowpreview_p.h"
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#include <QBitmap>
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#include <QGridLayout>
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#include <QLabel>
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#include <QMouseEvent>
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#include <QPainter>
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#include <QPalette>
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#include <QTextDocument>
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#include <QTimeLine>
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#ifdef Q_WS_X11
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#include <QX11Info>
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#include <netwm.h>
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#endif
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#include <kdebug.h>
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#include <kglobal.h>
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#include <kglobalsettings.h>
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#include <plasma/plasma.h>
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#include <plasma/theme.h>
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#include <plasma/framesvg.h>
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namespace Plasma {
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class TipTextWidget : public QWidget
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{
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public:
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TipTextWidget(QWidget *parent)
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: QWidget(parent),
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document(new QTextDocument(this))
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{
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//d->text->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
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// QTextOption op;
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// op.setWrapMode(QTextOption::WordWrap);
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// document->setDefaultTextOption(op);
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}
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void setStyleSheet(const QString &css)
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{
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document->setDefaultStyleSheet(css);
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}
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void setContent(const ToolTipContent &data)
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{
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document->clear();
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data.registerResources(document);
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document->setHtml("<p><b>" + data.mainText() + "</b><br>" + data.subText() + "</p>");
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document->adjustSize();
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update();
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}
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QSize minimumSizeHint() const
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{
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return document->size().toSize();
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}
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QSize maximumSizeHint() const
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{
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return minimumSizeHint();
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}
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void paintEvent(QPaintEvent *event)
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{
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QPainter p(this);
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document->drawContents(&p, event->rect());
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}
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private:
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QTextDocument *document;
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};
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class ToolTipPrivate
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{
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public:
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ToolTipPrivate()
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: text(0),
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imageLabel(0),
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preview(0),
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source(0),
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timeline(0),
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autohide(true)
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{ }
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TipTextWidget *text;
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QLabel *imageLabel;
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WindowPreview *preview;
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FrameSvg *background;
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QPointer<QObject> source;
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QTimeLine *timeline;
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QPoint to;
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QPoint from;
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bool autohide;
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};
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void ToolTip::showEvent(QShowEvent *e)
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{
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checkSize();
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QWidget::showEvent(e);
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d->preview->setInfo();
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}
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void ToolTip::hideEvent(QHideEvent *e)
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{
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QWidget::hideEvent(e);
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if (d->source) {
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QMetaObject::invokeMethod(d->source, "toolTipHidden");
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}
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}
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void ToolTip::mouseReleaseEvent(QMouseEvent *event)
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{
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if (rect().contains(event->pos())) {
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hide();
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}
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}
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ToolTip::ToolTip(QWidget *parent)
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: QWidget(parent),
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d(new ToolTipPrivate())
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{
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setWindowFlags(Qt::ToolTip);
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QGridLayout *l = new QGridLayout;
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d->preview = new WindowPreview(this);
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d->text = new TipTextWidget(this);
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d->imageLabel = new QLabel(this);
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d->imageLabel->setAlignment(Qt::AlignTop | Qt::AlignLeft);
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d->background = new FrameSvg(this);
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d->background->setImagePath("widgets/tooltip");
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d->background->setEnabledBorders(FrameSvg::AllBorders);
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updateTheme();
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connect(d->background, SIGNAL(repaintNeeded()), this, SLOT(updateTheme()));
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l->addWidget(d->preview, 0, 0, 1, 2);
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l->addWidget(d->imageLabel, 1, 0);
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l->addWidget(d->text, 1, 1);
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setLayout(l);
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}
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ToolTip::~ToolTip()
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{
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delete d;
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}
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void ToolTip::checkSize()
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{
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//FIXME: layout bugs even on qlayouts? oh, please, no.
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d->text->setMinimumSize(d->text->minimumSizeHint());
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d->text->setMaximumSize(d->text->maximumSizeHint());
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QSize hint = sizeHint();
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QSize current = size();
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if (hint != current) {
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/*
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#ifdef Q_WS_X11
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NETRootInfo i(QX11Info::display(), 0);
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int flags = NET::BottomLeft;
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i.moveResizeWindowRequest(winId(), flags,
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x(), y() + (current.height() - hint.height()),
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hint.width(), hint.height());
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#else
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move(x(), y() + (current.height() - hint.height()));
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resize(hint);
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#endif
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*/
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/*
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kDebug() << "resizing from" << current << "to" << hint
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<< "and moving from" << pos() << "to"
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<< x() << y() + (current.height() - hint.height())
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<< current.height() - hint.height();
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*/
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resize(hint);
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move(x(), y() + (current.height() - size().height()));
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}
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}
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void ToolTip::setContent(QObject *tipper, const ToolTipContent &data)
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{
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//reset our size
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d->text->setContent(data);
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d->imageLabel->setPixmap(data.image());
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d->preview->setWindowId(data.windowToPreview());
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d->autohide = data.autohide();
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d->source = tipper;
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if (isVisible()) {
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d->preview->setInfo();
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//kDebug() << "about to check size";
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checkSize();
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}
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}
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void ToolTip::prepareShowing(bool cueUpdate)
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{
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if (cueUpdate && d->source) {
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QMetaObject::invokeMethod(d->source, "toolTipAboutToShow");
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}
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if (d->preview->windowId() != 0) {
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// show/hide the preview area
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d->preview->show();
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} else {
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d->preview->hide();
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}
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layout()->activate();
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d->preview->setInfo();
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//kDebug() << "about to check size";
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checkSize();
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}
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void ToolTip::moveTo(const QPoint &to)
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{
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if (!isVisible() ||
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!(KGlobalSettings::graphicEffectsLevel() & KGlobalSettings::SimpleAnimationEffects)) {
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move(to);
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return;
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}
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d->from = QPoint();
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d->to = to;
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if (!d->timeline) {
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d->timeline = new QTimeLine(250, this);
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d->timeline->setFrameRange(0, 10);
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d->timeline->setCurveShape(QTimeLine::EaseInCurve);
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connect(d->timeline, SIGNAL(valueChanged(qreal)), this, SLOT(animateMove(qreal)));
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}
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d->timeline->stop();
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d->timeline->start();
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}
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void ToolTip::animateMove(qreal progress)
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{
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if (d->from.isNull()) {
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d->from = pos();
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}
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if (qFuzzyCompare(progress, 1.0)) {
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move(d->to);
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return;
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}
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move(d->from.x() + ((d->to.x() - d->from.x()) * progress),
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d->from.y() + ((d->to.y() - d->from.y()) * progress));
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}
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void ToolTip::resizeEvent(QResizeEvent *e)
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{
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QWidget::resizeEvent(e);
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d->background->resizeFrame(size());
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setMask(d->background->mask());
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d->preview->setInfo();
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}
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void ToolTip::paintEvent(QPaintEvent *e)
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setClipRect(e->rect());
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painter.setCompositionMode(QPainter::CompositionMode_Source);
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painter.fillRect(rect(), Qt::transparent);
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d->background->paintFrame(&painter);
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}
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bool ToolTip::autohide() const
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{
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return d->autohide;
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}
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void ToolTip::updateTheme()
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{
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const int topHeight = d->background->marginSize(Plasma::TopMargin);
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const int leftWidth = d->background->marginSize(Plasma::LeftMargin);
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const int rightWidth = d->background->marginSize(Plasma::RightMargin);
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const int bottomHeight = d->background->marginSize(Plasma::BottomMargin);
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setContentsMargins(leftWidth, topHeight, rightWidth, bottomHeight);
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// Make the tooltip use Plasma's colorscheme
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QColor textColor = Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor);
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QPalette plasmaPalette = QPalette();
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plasmaPalette.setColor(QPalette::Window,
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Plasma::Theme::defaultTheme()->color(Plasma::Theme::BackgroundColor));
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plasmaPalette.setColor(QPalette::WindowText, textColor);
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setAutoFillBackground(true);
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setPalette(plasmaPalette);
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d->text->setStyleSheet(QString("p { color: %1; }").arg(textColor.name()));
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update();
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}
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} // namespace Plasma
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#include "tooltip_p.moc"
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