Files
KDDockWidgets/examples/dockwidgets/MyWidget.cpp
Sergio Martins a9f5917a54 demo: Make it look nice
Logo now scales better
2019-10-22 13:10:01 +01:00

106 lines
3.1 KiB
C++

/*
This file is part of KDDockWidgets.
Copyright (C) 2018-2019 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
Author: Sérgio Martins <sergio.martins@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 "MyWidget.h"
#include <QPainter>
#include <QDebug>
#include <QFile>
MyWidget::MyWidget(const QString &backgroundFile, const QString &logoFile, QWidget *parent)
: QWidget(parent)
{
if (!backgroundFile.isEmpty())
m_background = QImage(backgroundFile);
if (!logoFile.isEmpty())
m_logo = QImage(logoFile);
}
MyWidget::~MyWidget()
{
}
void MyWidget::drawLogo(QPainter &p)
{
if (m_logo.isNull())
return;
const qreal ratio = m_logo.height() / (m_logo.width() * 1.0);
const int maxWidth = int(0.80 * size().width());
const int maxHeight = int(0.80 * size().height());
const int proposedHeight = int(maxWidth * ratio);
const int width = proposedHeight <= maxHeight ? maxWidth
: int(maxHeight / ratio);
const int height = int(width * ratio);
QRect targetLogoRect(0,0, width, height);
targetLogoRect.moveCenter(rect().center() + QPoint(0, -int(size().height() * 0.00)));
p.drawImage(targetLogoRect, m_logo, m_logo.rect());
}
MyWidget1::MyWidget1(MyWidget::QWidget *parent)
: MyWidget(QStringLiteral(":/assets/triangles.png"), QStringLiteral(":/assets/KDAB_bubble_white.png"), parent)
{
}
void MyWidget1::paintEvent(QPaintEvent *)
{
QPainter p(this);
p.fillRect(rect(), QColor(0xCC, 0xCC, 0xCC));
p.drawImage(m_background.rect(), m_background, m_background.rect());
drawLogo(p);
}
MyWidget2::MyWidget2(MyWidget::QWidget *parent)
: MyWidget(QString(), QStringLiteral(":/assets/KDAB_bubble_blue.png"), parent)
{
}
void MyWidget2::paintEvent(QPaintEvent *)
{
QPainter p(this);
p.fillRect(rect(), Qt::white);
drawLogo(p);
}
MyWidget3::MyWidget3(MyWidget::QWidget *parent)
: MyWidget(QStringLiteral(":/assets/base.png"), QStringLiteral(":/assets/KDAB_bubble_fulcolor.png"), parent)
, m_triangle(QImage(QStringLiteral(":/assets/tri.png")))
{
}
void MyWidget3::paintEvent(QPaintEvent *)
{
QPainter p(this);
p.fillRect(rect(), QColor(0xD5, 0xD5, 0xD5));
p.drawImage(m_background.rect(), m_background, m_background.rect());
const QRect targetRect = QRect({ width() - m_triangle.width(), height() - m_triangle.height() }, m_triangle.size());
p.drawImage(targetRect, m_triangle, m_triangle.rect());
drawLogo(p);
}