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kleuter
2023-11-01 18:02:52 +01:00
parent bbe896803b
commit 7018d9e6c8
2170 changed files with 57471 additions and 43550 deletions
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2
examples/widgets/layouts/CMakeLists.txt
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@ -2,6 +2,4 @@
# SPDX-License-Identifier: BSD-3-Clause
qt_internal_add_example(basiclayouts)
qt_internal_add_example(borderlayout)
qt_internal_add_example(dynamiclayouts)
qt_internal_add_example(flowlayout)

38
examples/widgets/layouts/borderlayout/CMakeLists.txt
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@ -1,38 +0,0 @@
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
cmake_minimum_required(VERSION 3.16)
project(borderlayout LANGUAGES CXX)
if(NOT DEFINED INSTALL_EXAMPLESDIR)
set(INSTALL_EXAMPLESDIR "examples")
endif()
set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/layouts/borderlayout")
find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
qt_standard_project_setup()
qt_add_executable(borderlayout
borderlayout.cpp borderlayout.h
main.cpp
window.cpp window.h
)
set_target_properties(borderlayout PROPERTIES
WIN32_EXECUTABLE TRUE
MACOSX_BUNDLE TRUE
)
target_link_libraries(borderlayout PRIVATE
Qt6::Core
Qt6::Gui
Qt6::Widgets
)
install(TARGETS borderlayout
RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
)

171
examples/widgets/layouts/borderlayout/borderlayout.cpp
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@ -1,171 +0,0 @@
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "borderlayout.h"
BorderLayout::BorderLayout(QWidget *parent, const QMargins &margins, int spacing)
: QLayout(parent)
{
setContentsMargins(margins);
setSpacing(spacing);
}
BorderLayout::BorderLayout(int spacing)
{
setSpacing(spacing);
}
BorderLayout::~BorderLayout()
{
QLayoutItem *l;
while ((l = takeAt(0)))
delete l;
}
void BorderLayout::addItem(QLayoutItem *item)
{
add(item, West);
}
void BorderLayout::addWidget(QWidget *widget, Position position)
{
add(new QWidgetItem(widget), position);
}
Qt::Orientations BorderLayout::expandingDirections() const
{
return Qt::Horizontal | Qt::Vertical;
}
bool BorderLayout::hasHeightForWidth() const
{
return false;
}
int BorderLayout::count() const
{
return list.size();
}
QLayoutItem *BorderLayout::itemAt(int index) const
{
ItemWrapper *wrapper = list.value(index);
return wrapper ? wrapper->item : nullptr;
}
QSize BorderLayout::minimumSize() const
{
return calculateSize(MinimumSize);
}
void BorderLayout::setGeometry(const QRect &rect)
{
ItemWrapper *center = nullptr;
int eastWidth = 0;
int westWidth = 0;
int northHeight = 0;
int southHeight = 0;
int centerHeight = 0;
int i;
QLayout::setGeometry(rect);
for (i = 0; i < list.size(); ++i) {
ItemWrapper *wrapper = list.at(i);
QLayoutItem *item = wrapper->item;
Position position = wrapper->position;
if (position == North) {
item->setGeometry(QRect(rect.x(), northHeight, rect.width(),
item->sizeHint().height()));
northHeight += item->geometry().height() + spacing();
} else if (position == South) {
item->setGeometry(QRect(item->geometry().x(),
item->geometry().y(), rect.width(),
item->sizeHint().height()));
southHeight += item->geometry().height() + spacing();
item->setGeometry(QRect(rect.x(),
rect.y() + rect.height() - southHeight + spacing(),
item->geometry().width(),
item->geometry().height()));
} else if (position == Center) {
center = wrapper;
}
}
centerHeight = rect.height() - northHeight - southHeight;
for (i = 0; i < list.size(); ++i) {
ItemWrapper *wrapper = list.at(i);
QLayoutItem *item = wrapper->item;
Position position = wrapper->position;
if (position == West) {
item->setGeometry(QRect(rect.x() + westWidth, northHeight,
item->sizeHint().width(), centerHeight));
westWidth += item->geometry().width() + spacing();
} else if (position == East) {
item->setGeometry(QRect(item->geometry().x(), item->geometry().y(),
item->sizeHint().width(), centerHeight));
eastWidth += item->geometry().width() + spacing();
item->setGeometry(QRect(
rect.x() + rect.width() - eastWidth + spacing(),
northHeight, item->geometry().width(),
item->geometry().height()));
}
}
if (center)
center->item->setGeometry(QRect(westWidth, northHeight,
rect.width() - eastWidth - westWidth,
centerHeight));
}
QSize BorderLayout::sizeHint() const
{
return calculateSize(SizeHint);
}
QLayoutItem *BorderLayout::takeAt(int index)
{
if (index >= 0 && index < list.size()) {
ItemWrapper *layoutStruct = list.takeAt(index);
return layoutStruct->item;
}
return nullptr;
}
void BorderLayout::add(QLayoutItem *item, Position position)
{
list.append(new ItemWrapper(item, position));
}
QSize BorderLayout::calculateSize(SizeType sizeType) const
{
QSize totalSize;
for (int i = 0; i < list.size(); ++i) {
ItemWrapper *wrapper = list.at(i);
Position position = wrapper->position;
QSize itemSize;
if (sizeType == MinimumSize)
itemSize = wrapper->item->minimumSize();
else // (sizeType == SizeHint)
itemSize = wrapper->item->sizeHint();
if (position == North || position == South || position == Center)
totalSize.rheight() += itemSize.height();
if (position == West || position == East || position == Center)
totalSize.rwidth() += itemSize.width();
}
return totalSize;
}

50
examples/widgets/layouts/borderlayout/borderlayout.h
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@ -1,50 +0,0 @@
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef BORDERLAYOUT_H
#define BORDERLAYOUT_H
#include <QLayout>
#include <QRect>
class BorderLayout : public QLayout
{
public:
enum Position { West, North, South, East, Center };
explicit BorderLayout(QWidget *parent, const QMargins &margins = QMargins(), int spacing = -1);
BorderLayout(int spacing = -1);
~BorderLayout();
void addItem(QLayoutItem *item) override;
void addWidget(QWidget *widget, Position position);
Qt::Orientations expandingDirections() const override;
bool hasHeightForWidth() const override;
int count() const override;
QLayoutItem *itemAt(int index) const override;
QSize minimumSize() const override;
void setGeometry(const QRect &rect) override;
QSize sizeHint() const override;
QLayoutItem *takeAt(int index) override;
void add(QLayoutItem *item, Position position);
private:
struct ItemWrapper
{
ItemWrapper(QLayoutItem *i, Position p) {
item = i;
position = p;
}
QLayoutItem *item;
Position position;
};
enum SizeType { MinimumSize, SizeHint };
QSize calculateSize(SizeType sizeType) const;
QList<ItemWrapper *> list;
};
#endif // BORDERLAYOUT_H

11
examples/widgets/layouts/borderlayout/borderlayout.pro
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@ -1,11 +0,0 @@
QT += widgets
HEADERS = borderlayout.h \
window.h
SOURCES = borderlayout.cpp \
main.cpp \
window.cpp
# install
target.path = $$[QT_INSTALL_EXAMPLES]/widgets/layouts/borderlayout
INSTALLS += target

14
examples/widgets/layouts/borderlayout/main.cpp
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@ -1,14 +0,0 @@
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QApplication>
#include "window.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Window window;
window.show();
return app.exec();
}

31
examples/widgets/layouts/borderlayout/window.cpp
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@ -1,31 +0,0 @@
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "borderlayout.h"
#include "window.h"
#include <QTextBrowser>
#include <QLabel>
Window::Window()
{
QTextBrowser *centralWidget = new QTextBrowser;
centralWidget->setPlainText(tr("Central widget"));
BorderLayout *layout = new BorderLayout;
layout->addWidget(centralWidget, BorderLayout::Center);
layout->addWidget(createLabel("North"), BorderLayout::North);
layout->addWidget(createLabel("West"), BorderLayout::West);
layout->addWidget(createLabel("East 1"), BorderLayout::East);
layout->addWidget(createLabel("East 2") , BorderLayout::East);
layout->addWidget(createLabel("South"), BorderLayout::South);
setLayout(layout);
setWindowTitle(tr("Border Layout"));
}
QLabel *Window::createLabel(const QString &text)
{
QLabel *label = new QLabel(text);
label->setFrameStyle(QFrame::Box | QFrame::Raised);
return label;
}

24
examples/widgets/layouts/borderlayout/window.h
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@ -1,24 +0,0 @@
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef WINDOW_H
#define WINDOW_H
#include <QWidget>
QT_BEGIN_NAMESPACE
class QLabel;
QT_END_NAMESPACE
class Window : public QWidget
{
Q_OBJECT
public:
Window();
private:
QLabel *createLabel(const QString &text);
};
#endif // WINDOW_H

37
examples/widgets/layouts/dynamiclayouts/CMakeLists.txt
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@ -1,37 +0,0 @@
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
cmake_minimum_required(VERSION 3.16)
project(dynamiclayouts LANGUAGES CXX)
if(NOT DEFINED INSTALL_EXAMPLESDIR)
set(INSTALL_EXAMPLESDIR "examples")
endif()
set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/layouts/dynamiclayouts")
find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
qt_standard_project_setup()
qt_add_executable(dynamiclayouts
dialog.cpp dialog.h
main.cpp
)
set_target_properties(dynamiclayouts PROPERTIES
WIN32_EXECUTABLE TRUE
MACOSX_BUNDLE TRUE
)
target_link_libraries(dynamiclayouts PRIVATE
Qt6::Core
Qt6::Gui
Qt6::Widgets
)
install(TARGETS dynamiclayouts
RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
)

136
examples/widgets/layouts/dynamiclayouts/dialog.cpp
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@ -1,136 +0,0 @@
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtWidgets>
#include "dialog.h"
Dialog::Dialog(QWidget *parent)
: QDialog(parent)
{
createRotatableGroupBox();
createOptionsGroupBox();
createButtonBox();
mainLayout = new QGridLayout;
mainLayout->addWidget(rotatableGroupBox, 0, 0);
mainLayout->addWidget(optionsGroupBox, 1, 0);
mainLayout->addWidget(buttonBox, 2, 0);
setLayout(mainLayout);
mainLayout->setSizeConstraint(QLayout::SetMinimumSize);
setWindowTitle(tr("Dynamic Layouts"));
}
void Dialog::buttonsOrientationChanged(int index)
{
mainLayout->setSizeConstraint(QLayout::SetNoConstraint);
setMinimumSize(0, 0);
Qt::Orientation orientation = Qt::Orientation(
buttonsOrientationComboBox->itemData(index).toInt());
if (orientation == buttonBox->orientation())
return;
mainLayout->removeWidget(buttonBox);
int spacing = mainLayout->spacing();
QSize oldSizeHint = buttonBox->sizeHint() + QSize(spacing, spacing);
buttonBox->setOrientation(orientation);
QSize newSizeHint = buttonBox->sizeHint() + QSize(spacing, spacing);
if (orientation == Qt::Horizontal) {
mainLayout->addWidget(buttonBox, 2, 0);
resize(size() + QSize(-oldSizeHint.width(), newSizeHint.height()));
} else {
mainLayout->addWidget(buttonBox, 0, 3, 2, 1);
resize(size() + QSize(newSizeHint.width(), -oldSizeHint.height()));
}
mainLayout->setSizeConstraint(QLayout::SetDefaultConstraint);
}
void Dialog::rotateWidgets()
{
Q_ASSERT(rotatableWidgets.count() % 2 == 0);
for (QWidget *widget : std::as_const(rotatableWidgets))
rotatableLayout->removeWidget(widget);
rotatableWidgets.enqueue(rotatableWidgets.dequeue());
const int n = rotatableWidgets.count();
for (int i = 0; i < n / 2; ++i) {
rotatableLayout->addWidget(rotatableWidgets[n - i - 1], 0, i);
rotatableLayout->addWidget(rotatableWidgets[i], 1, i);
}
}
void Dialog::help()
{
QMessageBox::information(this, tr("Dynamic Layouts Help"),
tr("This example shows how to change layouts "
"dynamically."));
}
void Dialog::createRotatableGroupBox()
{
rotatableGroupBox = new QGroupBox(tr("Rotatable Widgets"));
rotatableWidgets.enqueue(new QSpinBox);
rotatableWidgets.enqueue(new QSlider);
rotatableWidgets.enqueue(new QDial);
rotatableWidgets.enqueue(new QProgressBar);
int n = rotatableWidgets.count();
for (int i = 0; i < n; ++i) {
connect(rotatableWidgets[i], SIGNAL(valueChanged(int)),
rotatableWidgets[(i + 1) % n], SLOT(setValue(int)));
}
rotatableLayout = new QGridLayout;
rotatableGroupBox->setLayout(rotatableLayout);
rotateWidgets();
}
void Dialog::createOptionsGroupBox()
{
optionsGroupBox = new QGroupBox(tr("Options"));
buttonsOrientationLabel = new QLabel(tr("Orientation of buttons:"));
buttonsOrientationComboBox = new QComboBox;
buttonsOrientationComboBox->addItem(tr("Horizontal"), Qt::Horizontal);
buttonsOrientationComboBox->addItem(tr("Vertical"), Qt::Vertical);
connect(buttonsOrientationComboBox,
&QComboBox::currentIndexChanged,
this,
&Dialog::buttonsOrientationChanged);
optionsLayout = new QGridLayout;
optionsLayout->addWidget(buttonsOrientationLabel, 0, 0);
optionsLayout->addWidget(buttonsOrientationComboBox, 0, 1);
optionsLayout->setColumnStretch(2, 1);
optionsGroupBox->setLayout(optionsLayout);
}
void Dialog::createButtonBox()
{
buttonBox = new QDialogButtonBox;
closeButton = buttonBox->addButton(QDialogButtonBox::Close);
helpButton = buttonBox->addButton(QDialogButtonBox::Help);
rotateWidgetsButton = buttonBox->addButton(tr("Rotate &Widgets"),
QDialogButtonBox::ActionRole);
connect(rotateWidgetsButton, &QPushButton::clicked, this, &Dialog::rotateWidgets);
connect(closeButton, &QPushButton::clicked, this, &Dialog::close);
connect(helpButton, &QPushButton::clicked, this, &Dialog::help);
}

53
examples/widgets/layouts/dynamiclayouts/dialog.h
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@ -1,53 +0,0 @@
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef DIALOG_H
#define DIALOG_H
#include <QDialog>
#include <QQueue>
QT_BEGIN_NAMESPACE
class QComboBox;
class QDialogButtonBox;
class QGridLayout;
class QGroupBox;
class QLabel;
class QPushButton;
QT_END_NAMESPACE
class Dialog : public QDialog
{
Q_OBJECT
public:
Dialog(QWidget *parent = nullptr);
private slots:
void buttonsOrientationChanged(int index);
void rotateWidgets();
void help();
private:
void createRotatableGroupBox();
void createOptionsGroupBox();
void createButtonBox();
QGroupBox *rotatableGroupBox;
QQueue<QWidget *> rotatableWidgets;
QGroupBox *optionsGroupBox;
QLabel *buttonsOrientationLabel;
QComboBox *buttonsOrientationComboBox;
QDialogButtonBox *buttonBox;
QPushButton *closeButton;
QPushButton *helpButton;
QPushButton *rotateWidgetsButton;
QGridLayout *mainLayout;
QGridLayout *rotatableLayout;
QGridLayout *optionsLayout;
};
#endif // DIALOG_H

10
examples/widgets/layouts/dynamiclayouts/dynamiclayouts.pro
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@ -1,10 +0,0 @@
QT += widgets
requires(qtConfig(combobox))
HEADERS = dialog.h
SOURCES = dialog.cpp \
main.cpp
# install
target.path = $$[QT_INSTALL_EXAMPLES]/widgets/layouts/dynamiclayouts
INSTALLS += target

15
examples/widgets/layouts/dynamiclayouts/main.cpp
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@ -1,15 +0,0 @@
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QApplication>
#include "dialog.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Dialog dialog;
dialog.show();
return app.exec();
}

2
examples/widgets/layouts/layouts.pro
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@ -1,5 +1,3 @@
TEMPLATE = subdirs
SUBDIRS = basiclayouts \
borderlayout \
dynamiclayouts \
flowlayout