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Add an examples/mdi_with_docking/ example

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This commit is contained in:
Sergio Martins
2022-01-07 17:31:20 +00:00
parent 402f0b9d90
commit 5b87fb4435
6 changed files with 298 additions and 0 deletions
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2
CMakeLists.txt
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@@ -298,8 +298,10 @@ if(${PROJECT_NAME}_EXAMPLES)
add_subdirectory(examples/dockwidgets)
add_subdirectory(examples/minimal)
add_subdirectory(examples/minimal-mdi)
add_subdirectory(examples/mdi_with_docking)
set_compiler_flags(kddockwidgets_example)
set_compiler_flags(kddockwidgets_minimal_example)
set_compiler_flags(kddockwidgets_mdi_with_docking_example)
endif()
endif()

1
examples/dockwidgets/CMakeLists.txt
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@@ -35,5 +35,6 @@ add_executable(kddockwidgets_example
target_link_libraries(kddockwidgets_example
PRIVATE
KDAB::kddockwidgets
X11
)

37
examples/mdi_with_docking/CMakeLists.txt Normal file
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@@ -0,0 +1,37 @@
#
# This file is part of KDDockWidgets.
#
# SPDX-FileCopyrightText: 2019-2021 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
# Author: Sergio Martins <sergio.martins@kdab.com>
#
# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
#
# Contact KDAB at <info@kdab.com> for commercial licensing options.
#
cmake_minimum_required(VERSION 3.7)
project(kddockwidgets_mdi_with_docking_example)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_INCLUDE_CURRENT_DIRS ON)
if(NOT TARGET kddockwidgets)
# This will look for Qt, do find_package yourself manually before
# if you want to look for a specific Qt version for instance.
find_package(KDDockWidgets REQUIRED)
endif()
set(RESOURCES_EXAMPLE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/../dockwidgets/resources_example.qrc)
add_executable(kddockwidgets_mdi_with_docking_example
main.cpp
../dockwidgets/MyWidget.cpp
${RESOURCES_EXAMPLE_SRC}
)
target_link_libraries(kddockwidgets_mdi_with_docking_example
PRIVATE
KDAB::kddockwidgets
)

116
examples/mdi_with_docking/MyWidget.cpp Normal file
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@@ -0,0 +1,116 @@
/*
This file is part of KDDockWidgets.
SPDX-FileCopyrightText: 2019-2021 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Sérgio Martins <sergio.martins@kdab.com>
SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "MyWidget.h"
#include <QPainter>
#include <QDebug>
#include <QFile>
#include <QLineEdit>
static QHash<QString, QImage> s_images; /// clazy:exclude=non-pod-global-static
MyWidget::MyWidget(const QString &backgroundFile, const QString &logoFile, QWidget *parent)
: QWidget(parent)
{
if (!backgroundFile.isEmpty()) {
auto it = s_images.find(backgroundFile);
if (it == s_images.end())
it = s_images.insert(backgroundFile, QImage(backgroundFile));
m_background = it.value();
}
if (!logoFile.isEmpty()) {
auto it = s_images.find(logoFile);
if (it == s_images.end())
it = s_images.insert(logoFile, QImage(logoFile));
m_logo = it.value();
}
setFocusPolicy(Qt::StrongFocus);
#if 0
// Uncomment to show focus propagation working
new QLineEdit(this);
auto l2 = new QLineEdit(this);
l2->move(0, 100);
setFocusProxy(l2);
#endif
}
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);
}

65
examples/mdi_with_docking/MyWidget.h Normal file
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@@ -0,0 +1,65 @@
/*
This file is part of KDDockWidgets.
SPDX-FileCopyrightText: 2019-2021 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Sérgio Martins <sergio.martins@kdab.com>
SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef EXAMPLEDOCKABLEWIDGET_H
#define EXAMPLEDOCKABLEWIDGET_H
#pragma once
#include <QWidget>
QT_BEGIN_NAMESPACE
class QPainter;
QT_END_NAMESPACE
class MyWidget : public QWidget
{
Q_OBJECT
public:
MyWidget() = default;
explicit MyWidget(const QString &backgroundFile, const QString &logoFile, QWidget *parent = nullptr);
~MyWidget();
protected:
void drawLogo(QPainter &);
QImage m_background;
QImage m_logo;
};
class MyWidget1 : public MyWidget
{
Q_OBJECT
public:
explicit MyWidget1(QWidget *parent = nullptr);
protected:
void paintEvent(QPaintEvent*) override;
};
class MyWidget2 : public MyWidget
{
Q_OBJECT
public:
explicit MyWidget2(QWidget *parent = nullptr);
protected:
void paintEvent(QPaintEvent*) override;
};
class MyWidget3 : public MyWidget
{
Q_OBJECT
public:
explicit MyWidget3(QWidget *parent = nullptr);
protected:
void paintEvent(QPaintEvent*) override;
QImage m_triangle;
};
#endif

77
examples/mdi_with_docking/main.cpp Normal file
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@@ -0,0 +1,77 @@
/*
This file is part of KDDockWidgets.
SPDX-FileCopyrightText: 2019-2021 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Sérgio Martins <sergio.martins@kdab.com>
SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "MyWidget.h"
#include <kddockwidgets/DockWidget.h>
#include <kddockwidgets/MainWindow.h>
#include <kddockwidgets/MDIArea.h>
#include <QStyleFactory>
#include <QApplication>
// clazy:excludeall=qstring-allocations
int main(int argc, char **argv)
{
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif
QApplication app(argc, argv);
app.setOrganizationName(QStringLiteral("KDAB"));
app.setApplicationName(QStringLiteral("App supporting both docking and a MDI area"));
// Fusion looks better in general, but feel free to change
qApp->setStyle(QStyleFactory::create(QStringLiteral("Fusion")));
// # 1. Create our main window
KDDockWidgets::MainWindow mainWindow(QStringLiteral("MyMainWindow"), KDDockWidgets::MainWindowOption_HasCentralWidget);
mainWindow.setWindowTitle("Main Window");
mainWindow.resize(1600, 1200);
mainWindow.show();
// # 2. Create a dock widget, it needs a unique name
auto dock1 = new KDDockWidgets::DockWidget(QStringLiteral("MyDock1"));
auto widget1 = new MyWidget1();
dock1->setWidget(widget1);
auto dock2 = new KDDockWidgets::DockWidget(QStringLiteral("MyDock2"));
auto widget2 = new MyWidget2();
dock2->setWidget(widget2);
// # 3. Dock them
mainWindow.addDockWidget(dock1, KDDockWidgets::Location_OnLeft, nullptr, KDDockWidgets::InitialOption(QSize(300, 0)));
mainWindow.addDockWidget(dock2, KDDockWidgets::Location_OnBottom, nullptr, KDDockWidgets::InitialOption(QSize(0, 300)));
// 4. Create our MDI widgets, which will go into the MDI area
auto mdiWidget1 = new KDDockWidgets::DockWidget(QStringLiteral("MDI widget1"));
mdiWidget1->setWidget(new MyWidget1());
auto mdiWidget2 = new KDDockWidgets::DockWidget(QStringLiteral("MDI widget2"));
mdiWidget2->setWidget(new MyWidget2());
auto mdiWidget3 = new KDDockWidgets::DockWidget(QStringLiteral("MDI widget3"));
mdiWidget3->setWidget(new MyWidget3());
auto mdiArea = new KDDockWidgets::MDIArea();
mainWindow.setPersistentCentralWidget(mdiArea);
mdiArea->addDockWidget(mdiWidget1, QPoint(10, 10));
mdiArea->addDockWidget(mdiWidget2, QPoint(50, 50));
mdiArea->addDockWidget(mdiWidget3, QPoint(110, 110));
return app.exec();
}