189 lines
4.9 KiB
C++
189 lines
4.9 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 <KDebug>
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#include <KGlobal>
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#include <plasma/plasma.h>
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#include <plasma/theme.h>
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#include <plasma/panelsvg.h>
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namespace Plasma {
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class ToolTipPrivate
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{
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public:
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ToolTipPrivate(QObject *s)
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: label(0),
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imageLabel(0),
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preview(0),
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windowToPreview(0),
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source(s)
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{ }
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QLabel *label;
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QLabel *imageLabel;
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WindowPreview *preview;
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WId windowToPreview;
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PanelSvg *background;
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QObject *source;
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};
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void ToolTip::showEvent(QShowEvent *e)
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{
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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(QObject *source)
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: QWidget(0),
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d(new ToolTipPrivate(source))
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{
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if (source) {
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connect(source, SIGNAL(destroyed(QObject*)), this, SLOT(sourceDestroyed()));
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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->label = new QLabel(this);
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d->label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
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d->label->setWordWrap(true);
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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 PanelSvg(this);
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connect(d->background, SIGNAL(repaintNeeded()), this, SLOT(update()));
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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->label, 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::setContent(const ToolTipManager::ToolTipContent &data)
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{
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//reset our size
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d->label->setText("<qt><b>" + data.mainText + "</b><br>" + data.subText + "</qt>");
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d->imageLabel->setPixmap(data.image);
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d->windowToPreview = data.windowToPreview;
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d->preview->setWindowId(d->windowToPreview);
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if (isVisible()) {
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resize(sizeHint());
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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->windowToPreview != 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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resize(sizeHint());
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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->resizePanel(size());
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setMask(d->background->mask());
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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->paintPanel(&painter);
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}
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void ToolTip::sourceDestroyed()
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{
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d->source = 0;
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}
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void ToolTip::updateTheme()
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{
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d->background->setImagePath("widgets/tooltip");
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d->background->setEnabledBorders(PanelSvg::AllBorders);
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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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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,
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Plasma::Theme::defaultTheme()->color(Plasma::Theme::TextColor));
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setAutoFillBackground(true);
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setPalette(plasmaPalette);
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}
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} // namespace Plasma
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#include "tooltip_p.moc"
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