qt 6.5.1 original

examples/widgets/mainwindows/menus/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(menus LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/mainwindows/menus")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(menus
+    main.cpp
+    mainwindow.cpp mainwindow.h
+)
+
+set_target_properties(menus PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(menus PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+install(TARGETS menus
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

examples/widgets/mainwindows/menus/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 "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    MainWindow window;
+    window.show();
+    return app.exec();
+}

examples/widgets/mainwindows/menus/mainwindow.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 "mainwindow.h"
+
+//! [0]
+MainWindow::MainWindow()
+{
+    QWidget *widget = new QWidget;
+    setCentralWidget(widget);
+//! [0]
+
+//! [1]
+    QWidget *topFiller = new QWidget;
+    topFiller->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+    infoLabel = new QLabel(tr("<i>Choose a menu option, or right-click to "
+                              "invoke a context menu</i>"));
+    infoLabel->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
+    infoLabel->setAlignment(Qt::AlignCenter);
+
+    QWidget *bottomFiller = new QWidget;
+    bottomFiller->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->setContentsMargins(5, 5, 5, 5);
+    layout->addWidget(topFiller);
+    layout->addWidget(infoLabel);
+    layout->addWidget(bottomFiller);
+    widget->setLayout(layout);
+//! [1]
+
+//! [2]
+    createActions();
+    createMenus();
+
+    QString message = tr("A context menu is available by right-clicking");
+    statusBar()->showMessage(message);
+
+    setWindowTitle(tr("Menus"));
+    setMinimumSize(160, 160);
+    resize(480, 320);
+}
+//! [2]
+
+//! [3]
+#ifndef QT_NO_CONTEXTMENU
+void MainWindow::contextMenuEvent(QContextMenuEvent *event)
+{
+    QMenu menu(this);
+    menu.addAction(cutAct);
+    menu.addAction(copyAct);
+    menu.addAction(pasteAct);
+    menu.exec(event->globalPos());
+}
+#endif // QT_NO_CONTEXTMENU
+//! [3]
+
+void MainWindow::newFile()
+{
+    infoLabel->setText(tr("Invoked <b>File|New</b>"));
+}
+
+void MainWindow::open()
+{
+    infoLabel->setText(tr("Invoked <b>File|Open</b>"));
+}
+
+void MainWindow::save()
+{
+    infoLabel->setText(tr("Invoked <b>File|Save</b>"));
+}
+
+void MainWindow::print()
+{
+    infoLabel->setText(tr("Invoked <b>File|Print</b>"));
+}
+
+void MainWindow::undo()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Undo</b>"));
+}
+
+void MainWindow::redo()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Redo</b>"));
+}
+
+void MainWindow::cut()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Cut</b>"));
+}
+
+void MainWindow::copy()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Copy</b>"));
+}
+
+void MainWindow::paste()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Paste</b>"));
+}
+
+void MainWindow::bold()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Format|Bold</b>"));
+}
+
+void MainWindow::italic()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Format|Italic</b>"));
+}
+
+void MainWindow::leftAlign()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Format|Left Align</b>"));
+}
+
+void MainWindow::rightAlign()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Format|Right Align</b>"));
+}
+
+void MainWindow::justify()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Format|Justify</b>"));
+}
+
+void MainWindow::center()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Format|Center</b>"));
+}
+
+void MainWindow::setLineSpacing()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Format|Set Line Spacing</b>"));
+}
+
+void MainWindow::setParagraphSpacing()
+{
+    infoLabel->setText(tr("Invoked <b>Edit|Format|Set Paragraph Spacing</b>"));
+}
+
+void MainWindow::about()
+{
+    infoLabel->setText(tr("Invoked <b>Help|About</b>"));
+    QMessageBox::about(this, tr("About Menu"),
+            tr("The <b>Menu</b> example shows how to create "
+               "menu-bar menus and context menus."));
+}
+
+void MainWindow::aboutQt()
+{
+    infoLabel->setText(tr("Invoked <b>Help|About Qt</b>"));
+}
+
+//! [4]
+void MainWindow::createActions()
+{
+//! [5]
+    newAct = new QAction(tr("&New"), this);
+    newAct->setShortcuts(QKeySequence::New);
+    newAct->setStatusTip(tr("Create a new file"));
+    connect(newAct, &QAction::triggered, this, &MainWindow::newFile);
+//! [4]
+
+    openAct = new QAction(tr("&Open..."), this);
+    openAct->setShortcuts(QKeySequence::Open);
+    openAct->setStatusTip(tr("Open an existing file"));
+    connect(openAct, &QAction::triggered, this, &MainWindow::open);
+//! [5]
+
+    saveAct = new QAction(tr("&Save"), this);
+    saveAct->setShortcuts(QKeySequence::Save);
+    saveAct->setStatusTip(tr("Save the document to disk"));
+    connect(saveAct, &QAction::triggered, this, &MainWindow::save);
+
+    printAct = new QAction(tr("&Print..."), this);
+    printAct->setShortcuts(QKeySequence::Print);
+    printAct->setStatusTip(tr("Print the document"));
+    connect(printAct, &QAction::triggered, this, &MainWindow::print);
+
+    exitAct = new QAction(tr("E&xit"), this);
+    exitAct->setShortcuts(QKeySequence::Quit);
+    exitAct->setStatusTip(tr("Exit the application"));
+    connect(exitAct, &QAction::triggered, this, &QWidget::close);
+
+    undoAct = new QAction(tr("&Undo"), this);
+    undoAct->setShortcuts(QKeySequence::Undo);
+    undoAct->setStatusTip(tr("Undo the last operation"));
+    connect(undoAct, &QAction::triggered, this, &MainWindow::undo);
+
+    redoAct = new QAction(tr("&Redo"), this);
+    redoAct->setShortcuts(QKeySequence::Redo);
+    redoAct->setStatusTip(tr("Redo the last operation"));
+    connect(redoAct, &QAction::triggered, this, &MainWindow::redo);
+
+    cutAct = new QAction(tr("Cu&t"), this);
+    cutAct->setShortcuts(QKeySequence::Cut);
+    cutAct->setStatusTip(tr("Cut the current selection's contents to the "
+                            "clipboard"));
+    connect(cutAct, &QAction::triggered, this, &MainWindow::cut);
+
+    copyAct = new QAction(tr("&Copy"), this);
+    copyAct->setShortcuts(QKeySequence::Copy);
+    copyAct->setStatusTip(tr("Copy the current selection's contents to the "
+                             "clipboard"));
+    connect(copyAct, &QAction::triggered, this, &MainWindow::copy);
+
+    pasteAct = new QAction(tr("&Paste"), this);
+    pasteAct->setShortcuts(QKeySequence::Paste);
+    pasteAct->setStatusTip(tr("Paste the clipboard's contents into the current "
+                              "selection"));
+    connect(pasteAct, &QAction::triggered, this, &MainWindow::paste);
+
+    boldAct = new QAction(tr("&Bold"), this);
+    boldAct->setCheckable(true);
+    boldAct->setShortcut(QKeySequence::Bold);
+    boldAct->setStatusTip(tr("Make the text bold"));
+    connect(boldAct, &QAction::triggered, this, &MainWindow::bold);
+
+    QFont boldFont = boldAct->font();
+    boldFont.setBold(true);
+    boldAct->setFont(boldFont);
+
+    italicAct = new QAction(tr("&Italic"), this);
+    italicAct->setCheckable(true);
+    italicAct->setShortcut(QKeySequence::Italic);
+    italicAct->setStatusTip(tr("Make the text italic"));
+    connect(italicAct, &QAction::triggered, this, &MainWindow::italic);
+
+    QFont italicFont = italicAct->font();
+    italicFont.setItalic(true);
+    italicAct->setFont(italicFont);
+
+    setLineSpacingAct = new QAction(tr("Set &Line Spacing..."), this);
+    setLineSpacingAct->setStatusTip(tr("Change the gap between the lines of a "
+                                       "paragraph"));
+    connect(setLineSpacingAct, &QAction::triggered, this, &MainWindow::setLineSpacing);
+
+    setParagraphSpacingAct = new QAction(tr("Set &Paragraph Spacing..."), this);
+    setParagraphSpacingAct->setStatusTip(tr("Change the gap between paragraphs"));
+    connect(setParagraphSpacingAct, &QAction::triggered,
+            this, &MainWindow::setParagraphSpacing);
+
+    aboutAct = new QAction(tr("&About"), this);
+    aboutAct->setStatusTip(tr("Show the application's About box"));
+    connect(aboutAct, &QAction::triggered, this, &MainWindow::about);
+
+    aboutQtAct = new QAction(tr("About &Qt"), this);
+    aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
+    connect(aboutQtAct, &QAction::triggered, qApp, &QApplication::aboutQt);
+    connect(aboutQtAct, &QAction::triggered, this, &MainWindow::aboutQt);
+
+    leftAlignAct = new QAction(tr("&Left Align"), this);
+    leftAlignAct->setCheckable(true);
+    leftAlignAct->setShortcut(tr("Ctrl+L"));
+    leftAlignAct->setStatusTip(tr("Left align the selected text"));
+    connect(leftAlignAct, &QAction::triggered, this, &MainWindow::leftAlign);
+
+    rightAlignAct = new QAction(tr("&Right Align"), this);
+    rightAlignAct->setCheckable(true);
+    rightAlignAct->setShortcut(tr("Ctrl+R"));
+    rightAlignAct->setStatusTip(tr("Right align the selected text"));
+    connect(rightAlignAct, &QAction::triggered, this, &MainWindow::rightAlign);
+
+    justifyAct = new QAction(tr("&Justify"), this);
+    justifyAct->setCheckable(true);
+    justifyAct->setShortcut(tr("Ctrl+J"));
+    justifyAct->setStatusTip(tr("Justify the selected text"));
+    connect(justifyAct, &QAction::triggered, this, &MainWindow::justify);
+
+    centerAct = new QAction(tr("&Center"), this);
+    centerAct->setCheckable(true);
+    centerAct->setShortcut(tr("Ctrl+E"));
+    centerAct->setStatusTip(tr("Center the selected text"));
+    connect(centerAct, &QAction::triggered, this, &MainWindow::center);
+
+//! [6] //! [7]
+    alignmentGroup = new QActionGroup(this);
+    alignmentGroup->addAction(leftAlignAct);
+    alignmentGroup->addAction(rightAlignAct);
+    alignmentGroup->addAction(justifyAct);
+    alignmentGroup->addAction(centerAct);
+    leftAlignAct->setChecked(true);
+//! [6]
+}
+//! [7]
+
+//! [8]
+void MainWindow::createMenus()
+{
+//! [9] //! [10]
+    fileMenu = menuBar()->addMenu(tr("&File"));
+    fileMenu->addAction(newAct);
+//! [9]
+    fileMenu->addAction(openAct);
+//! [10]
+    fileMenu->addAction(saveAct);
+    fileMenu->addAction(printAct);
+//! [11]
+    fileMenu->addSeparator();
+//! [11]
+    fileMenu->addAction(exitAct);
+
+    editMenu = menuBar()->addMenu(tr("&Edit"));
+    editMenu->addAction(undoAct);
+    editMenu->addAction(redoAct);
+    editMenu->addSeparator();
+    editMenu->addAction(cutAct);
+    editMenu->addAction(copyAct);
+    editMenu->addAction(pasteAct);
+    editMenu->addSeparator();
+
+    helpMenu = menuBar()->addMenu(tr("&Help"));
+    helpMenu->addAction(aboutAct);
+    helpMenu->addAction(aboutQtAct);
+//! [8]
+
+//! [12]
+    formatMenu = editMenu->addMenu(tr("&Format"));
+    formatMenu->addAction(boldAct);
+    formatMenu->addAction(italicAct);
+    formatMenu->addSeparator()->setText(tr("Alignment"));
+    formatMenu->addAction(leftAlignAct);
+    formatMenu->addAction(rightAlignAct);
+    formatMenu->addAction(justifyAct);
+    formatMenu->addAction(centerAct);
+    formatMenu->addSeparator();
+    formatMenu->addAction(setLineSpacingAct);
+    formatMenu->addAction(setParagraphSpacingAct);
+}
+//! [12]

examples/widgets/mainwindows/menus/mainwindow.h

@@ -0,0 +1,89 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+QT_BEGIN_NAMESPACE
+class QAction;
+class QActionGroup;
+class QLabel;
+class QMenu;
+QT_END_NAMESPACE
+
+//! [0]
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow();
+
+protected:
+#ifndef QT_NO_CONTEXTMENU
+    void contextMenuEvent(QContextMenuEvent *event) override;
+#endif // QT_NO_CONTEXTMENU
+//! [0]
+
+//! [1]
+private slots:
+    void newFile();
+    void open();
+    void save();
+    void print();
+    void undo();
+    void redo();
+    void cut();
+    void copy();
+    void paste();
+    void bold();
+    void italic();
+    void leftAlign();
+    void rightAlign();
+    void justify();
+    void center();
+    void setLineSpacing();
+    void setParagraphSpacing();
+    void about();
+    void aboutQt();
+//! [1]
+
+//! [2]
+private:
+    void createActions();
+    void createMenus();
+//! [2]
+
+//! [3]
+    QMenu *fileMenu;
+    QMenu *editMenu;
+    QMenu *formatMenu;
+    QMenu *helpMenu;
+    QActionGroup *alignmentGroup;
+    QAction *newAct;
+    QAction *openAct;
+    QAction *saveAct;
+    QAction *printAct;
+    QAction *exitAct;
+    QAction *undoAct;
+    QAction *redoAct;
+    QAction *cutAct;
+    QAction *copyAct;
+    QAction *pasteAct;
+    QAction *boldAct;
+    QAction *italicAct;
+    QAction *leftAlignAct;
+    QAction *rightAlignAct;
+    QAction *justifyAct;
+    QAction *centerAct;
+    QAction *setLineSpacingAct;
+    QAction *setParagraphSpacingAct;
+    QAction *aboutAct;
+    QAction *aboutQtAct;
+    QLabel *infoLabel;
+};
+//! [3]
+
+#endif

examples/widgets/mainwindows/menus/menus.pro

@@ -0,0 +1,9 @@
+QT += widgets
+
+HEADERS       = mainwindow.h
+SOURCES       = mainwindow.cpp \
+                main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/mainwindows/menus
+INSTALLS += target