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110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
/****************************************************************************
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* Copyright (C) 2009 by Björn Ruberg <bjoern@ruberg-wegener.de> *
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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 "tooltip.h"
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#include <QPainter>
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#include <QtGui/qevent.h>
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#include <QPalette>
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#include <QLabel>
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#include <QHBoxLayout>
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#include <plasma/theme.h>
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Tooltip::Tooltip(const QString &text)
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: QWidget()
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{
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setAttribute(Qt::WA_TranslucentBackground);
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setAttribute(Qt::WA_TransparentForMouseEvents);
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setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint);
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setColors();
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connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(setColors()));
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frame = new Plasma::FrameSvg(this);
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frame->setEnabledBorders(Plasma::FrameSvg::AllBorders);
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frame->setImagePath("widgets/tooltip");
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frame->resizeFrame(size());
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connect(frame, SIGNAL(repaintNeeded()), this, SLOT(update()));
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label = new QLabel(text, this);
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label->setAlignment(Qt::AlignCenter);
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m_layout = new QHBoxLayout(this);
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m_layout->addWidget(label);
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connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(updateMask()));
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}
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Tooltip::~Tooltip()
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{
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}
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void Tooltip::setColors()
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{
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QPalette pal = palette();
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pal.setColor(backgroundRole(), Qt::transparent);
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pal.setColor(QPalette::WindowText, Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor));
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setPalette(pal);
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}
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void Tooltip::setText(QString text)
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{
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label->setText(text);
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}
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void Tooltip::resizeEvent(QResizeEvent *event)
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{
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QSize size = event->size();
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QWidget::resize(size);
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setFont(QFont("Helvetica", qMin(size.height(), size.width()) / 3));
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frame->resizeFrame(size);
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updateMask();
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}
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void Tooltip::showEvent(QShowEvent * event)
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{
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Q_UNUSED(event);
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Plasma::WindowEffects::overrideShadow(winId(), true);
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}
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void Tooltip::updateMask()
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{
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const bool translucency = Plasma::Theme::defaultTheme()->windowTranslucencyEnabled();
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Plasma::WindowEffects::enableBlurBehind(winId(), translucency,
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translucency ? frame->mask() : QRegion());
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if (translucency) {
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clearMask();
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} else {
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setMask(frame->mask());
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}
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}
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void Tooltip::paintEvent(QPaintEvent * event)
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::SmoothPixmapTransform);
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painter.setRenderHint(QPainter::Antialiasing);
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//painter.setCompositionMode(QPainter::CompositionMode_Source);
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painter.fillRect(rect(), Qt::transparent);
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frame->paintFrame(&painter, event->rect());
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}
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#include "moc_tooltip.cpp"
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