6.5.3 clean

tests/manual/examples/widgets/layouts/dynamiclayouts/CMakeLists.txt

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+# 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}"
+)

tests/manual/examples/widgets/layouts/dynamiclayouts/dialog.cpp

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+// 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);
+}
+
+

tests/manual/examples/widgets/layouts/dynamiclayouts/dialog.h

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+// 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

tests/manual/examples/widgets/layouts/dynamiclayouts/dynamiclayouts.pro

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+QT += widgets
+requires(qtConfig(combobox))
+
+HEADERS     = dialog.h
+SOURCES     = dialog.cpp \
+              main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/layouts/dynamiclayouts
+INSTALLS += target

tests/manual/examples/widgets/layouts/dynamiclayouts/main.cpp

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+// 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();
+}