/launcher/ui/promolabel.cpp
https://github.com/syntheticpp/GammaRay · C++ · 79 lines · 45 code · 11 blank · 23 comment · 7 complexity · b0ef2020164743bbae3d9b895f567329 MD5 · raw file
- /*
- mainwindow.cpp
- This file is part of GammaRay, the Qt application inspection and
- manipulation tool.
- Copyright (C) 2010-2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
- Author: Volker Krause <volker.krause@kdab.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #include "promolabel.h"
- #include <QDesktopServices>
- #include <QUrl>
- #include <QDebug>
- #include <QMouseEvent>
- using namespace GammaRay;
- PromoLabel::PromoLabel(QWidget *parent, Qt::WindowFlags f)
- : QLabel(parent, f)
- {
- updatePixmap();
- setCursor(QCursor(Qt::PointingHandCursor));
- setToolTip(tr("Visit KDAB Website"));
- }
- bool PromoLabel::event(QEvent *e)
- {
- if (e->type() == QEvent::PaletteChange) {
- updatePixmap();
- }
- return QLabel::event(e);
- }
- void PromoLabel::mouseReleaseEvent(QMouseEvent *ev)
- {
- if (ev->button() == Qt::LeftButton && ev->modifiers() == Qt::NoModifier) {
- QDesktopServices::openUrl(QUrl("http://www.kdab.com"));
- ev->accept();
- return;
- }
- QLabel::mouseReleaseEvent(ev);
- }
- QImage PromoLabel::tintedImage(const QString &image, const QColor &color)
- {
- QImage img(image);
- img = img.alphaChannel();
- QColor newColor = color;
- for (int i = 0; i < img.colorCount(); ++i) {
- newColor.setAlpha(qGray(img.color(i)));
- img.setColor(i, newColor.rgba());
- }
- return img;
- }
- void PromoLabel::updatePixmap()
- {
- // load image and adapt it to user's foreground color
- setPixmap(QPixmap::fromImage(tintedImage(QString(":gammaray/kdabproducts.png"),
- palette().foreground().color())));
- }