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/*
aboutwidget.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2013 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "aboutwidget.h"
#include "ui_aboutwidget.h"
#include <ui/uiresources.h>
#include <QPainter>
#include <QScrollBar>
using namespace GammaRay;
AboutWidget::AboutWidget(QWidget *parent)
: QWidget(parent)
, ui(new Ui::AboutWidget)
{
ui->setupUi(this);
// Try to reduce the scrollbar width to hide it a bit...
auto vsb = ui->textAuthors->verticalScrollBar();
#if defined(Q_OS_MAC)
vsb->setAttribute(Qt::WA_MacSmallSize);
#else
vsb->setFixedWidth(10);
#endif
}
AboutWidget::~AboutWidget() = default;
void AboutWidget::setLogo(const QString &iconFileName)
{
ui->logoLabel->setPixmap(iconFileName);
}
void AboutWidget::setThemeLogo(const QString &fileName)
{
ui->logoLabel->setThemeFileName(fileName);
}
void AboutWidget::setTitle(const QString &title)
{
ui->titleLabel->setText(title);
}
void AboutWidget::setHeader(const QString &header)
{
ui->textHeader->setText(header);
}
void AboutWidget::setAuthors(const QString &authors)
{
ui->textAuthors->setHtml(authors);
}
void AboutWidget::setFooter(const QString &footer)
{
ui->textFooter->setText(footer);
}
void AboutWidget::setText(const QString &text)
{
setHeader(text);
ui->textAuthors->setVisible(false);
ui->textFooter->setVisible(false);
}
void AboutWidget::setBackgroundWindow(QWidget *window)
{
if (m_backgroundWindow == window)
return;
if (m_backgroundWindow) {
m_backgroundWindow->removeEventFilter(this);
m_backgroundWindow->update();
}
m_backgroundWindow = window;
m_watermark = QPixmap();
if (m_backgroundWindow) {
m_backgroundWindow->installEventFilter(this);
m_backgroundWindow->update();
}
}
void AboutWidget::showEvent(QShowEvent *event)
{
QWidget::showEvent(event);
setBackgroundWindow(window());
}
bool AboutWidget::eventFilter(QObject *object, QEvent *event)
{
if (object == m_backgroundWindow) {
if (event->type() == QEvent::ScreenChangeInternal)
m_watermark = QPixmap();
else if (event->type() == QEvent::Paint) {
if (m_watermark.isNull())
m_watermark = UIResources::themedPixmap(QStringLiteral("watermark.png"), this);
qreal dpr = 1.0;
dpr = m_watermark.devicePixelRatio();
QPainter p(m_backgroundWindow);
p.drawPixmap(m_backgroundWindow->width() - (m_watermark.width() / dpr),
m_backgroundWindow->height() - (m_watermark.height() / dpr), m_watermark);
}
}
return QWidget::eventFilter(object, event);
}
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