qt 6.5.1 original

examples/widgets/tutorials/notepad/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(notepad LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/tutorials/notepad")
+
+find_package(Qt6
+    REQUIRED COMPONENTS Core Gui Widgets
+    OPTIONAL_COMPONENTS PrintSupport
+)
+
+qt_standard_project_setup()
+
+qt_add_executable(notepad
+    main.cpp
+    notepad.cpp notepad.h notepad.ui
+)
+
+set_target_properties(notepad PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(notepad PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+if(TARGET Qt6::PrintSupport)
+    target_link_libraries(notepad PRIVATE Qt6::PrintSupport)
+endif()
+
+# Resources:
+set(notepad_resource_files
+    "images/bold.png"
+    "images/copy.png"
+    "images/create.png"
+    "images/cut.png"
+    "images/edit_redo.png"
+    "images/edit_undo.png"
+    "images/exit.png"
+    "images/font.png"
+    "images/info.png"
+    "images/italic.png"
+    "images/new.png"
+    "images/open.png"
+    "images/paste.png"
+    "images/pencil.png"
+    "images/print.png"
+    "images/save.png"
+    "images/save_as.png"
+    "images/underline.png"
+)
+
+qt_add_resources(notepad "notepad"
+    PREFIX
+        "/"
+    FILES
+        ${notepad_resource_files}
+)
+
+install(TARGETS notepad
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

examples/widgets/tutorials/notepad/main.cpp

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+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "notepad.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    Notepad w;
+    w.show();
+    return a.exec();
+}

examples/widgets/tutorials/notepad/notepad.cpp

@@ -0,0 +1,178 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QFile>
+#include <QFileDialog>
+#include <QTextStream>
+#include <QMessageBox>
+#if defined(QT_PRINTSUPPORT_LIB)
+#include <QtPrintSupport/qtprintsupportglobal.h>
+#if QT_CONFIG(printer)
+#if QT_CONFIG(printdialog)
+#include <QPrintDialog>
+#endif // QT_CONFIG(printdialog)
+#include <QPrinter>
+#endif // QT_CONFIG(printer)
+#endif // QT_PRINTSUPPORT_LIB
+#include <QFont>
+#include <QFontDialog>
+
+#include "notepad.h"
+#include "ui_notepad.h"
+
+Notepad::Notepad(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::Notepad)
+{
+    ui->setupUi(this);
+
+    connect(ui->actionNew, &QAction::triggered, this, &Notepad::newDocument);
+    connect(ui->actionOpen, &QAction::triggered, this, &Notepad::open);
+    connect(ui->actionSave, &QAction::triggered, this, &Notepad::save);
+    connect(ui->actionSave_as, &QAction::triggered, this, &Notepad::saveAs);
+    connect(ui->actionPrint, &QAction::triggered, this, &Notepad::print);
+    connect(ui->actionExit, &QAction::triggered, this, &QWidget::close);
+#if QT_CONFIG(clipboard)
+    connect(ui->textEdit, &QTextEdit::copyAvailable, ui->actionCopy, &QAction::setEnabled);
+    connect(ui->actionCopy, &QAction::triggered, ui->textEdit, &QTextEdit::copy);
+    connect(ui->actionCut, &QAction::triggered, ui->textEdit, &QTextEdit::cut);
+    connect(ui->actionPaste, &QAction::triggered, ui->textEdit, &QTextEdit::paste);
+#endif
+    connect(ui->textEdit, &QTextEdit::undoAvailable, ui->actionUndo, &QAction::setEnabled);
+    connect(ui->actionUndo, &QAction::triggered, ui->textEdit, &QTextEdit::undo);
+    connect(ui->textEdit, &QTextEdit::redoAvailable, ui->actionRedo, &QAction::setEnabled);
+    connect(ui->actionRedo, &QAction::triggered, ui->textEdit, &QTextEdit::redo);
+
+    connect(ui->actionFont, &QAction::triggered, this, &Notepad::selectFont);
+    connect(ui->actionBold, &QAction::triggered, this, &Notepad::setFontBold);
+    connect(ui->actionUnderline, &QAction::triggered, this, &Notepad::setFontUnderline);
+    connect(ui->actionItalic, &QAction::triggered, this, &Notepad::setFontItalic);
+    connect(ui->actionAbout, &QAction::triggered, this, &Notepad::about);
+
+// Disable menu actions for unavailable features
+#if !defined(QT_PRINTSUPPORT_LIB) || !QT_CONFIG(printer)
+    ui->actionPrint->setEnabled(false);
+#endif
+
+#if !QT_CONFIG(clipboard)
+    ui->actionCut->setEnabled(false);
+    ui->actionCopy->setEnabled(false);
+    ui->actionPaste->setEnabled(false);
+#endif
+}
+
+Notepad::~Notepad()
+{
+    delete ui;
+}
+
+void Notepad::newDocument()
+{
+    currentFile.clear();
+    ui->textEdit->setText(QString());
+}
+
+void Notepad::open()
+{
+    QString fileName = QFileDialog::getOpenFileName(this, "Open the file");
+    if (fileName.isEmpty())
+        return;
+    QFile file(fileName);
+    currentFile = fileName;
+    if (!file.open(QIODevice::ReadOnly | QFile::Text)) {
+        QMessageBox::warning(this, "Warning", "Cannot open file: " + file.errorString());
+        return;
+    }
+    setWindowTitle(fileName);
+    QTextStream in(&file);
+    QString text = in.readAll();
+    ui->textEdit->setText(text);
+    file.close();
+}
+
+void Notepad::save()
+{
+    QString fileName;
+    // If we don't have a filename from before, get one.
+    if (currentFile.isEmpty()) {
+        fileName = QFileDialog::getSaveFileName(this, "Save");
+        if (fileName.isEmpty())
+            return;
+        currentFile = fileName;
+    } else {
+        fileName = currentFile;
+    }
+    QFile file(fileName);
+    if (!file.open(QIODevice::WriteOnly | QFile::Text)) {
+        QMessageBox::warning(this, "Warning", "Cannot save file: " + file.errorString());
+        return;
+    }
+    setWindowTitle(fileName);
+    QTextStream out(&file);
+    QString text = ui->textEdit->toPlainText();
+    out << text;
+    file.close();
+}
+
+void Notepad::saveAs()
+{
+    QString fileName = QFileDialog::getSaveFileName(this, "Save as");
+    if (fileName.isEmpty())
+        return;
+    QFile file(fileName);
+
+    if (!file.open(QFile::WriteOnly | QFile::Text)) {
+        QMessageBox::warning(this, "Warning", "Cannot save file: " + file.errorString());
+        return;
+    }
+    currentFile = fileName;
+    setWindowTitle(fileName);
+    QTextStream out(&file);
+    QString text = ui->textEdit->toPlainText();
+    out << text;
+    file.close();
+}
+
+void Notepad::print()
+{
+#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer)
+    QPrinter printDev;
+#if QT_CONFIG(printdialog)
+    QPrintDialog dialog(&printDev, this);
+    if (dialog.exec() == QDialog::Rejected)
+        return;
+#endif // QT_CONFIG(printdialog)
+    ui->textEdit->print(&printDev);
+#endif // QT_CONFIG(printer)
+}
+
+void Notepad::selectFont()
+{
+    bool fontSelected;
+    QFont font = QFontDialog::getFont(&fontSelected, this);
+    if (fontSelected)
+        ui->textEdit->setFont(font);
+}
+
+void Notepad::setFontUnderline(bool underline)
+{
+    ui->textEdit->setFontUnderline(underline);
+}
+
+void Notepad::setFontItalic(bool italic)
+{
+    ui->textEdit->setFontItalic(italic);
+}
+
+void Notepad::setFontBold(bool bold)
+{
+    bold ? ui->textEdit->setFontWeight(QFont::Bold) :
+           ui->textEdit->setFontWeight(QFont::Normal);
+}
+
+void Notepad::about()
+{
+    QMessageBox::about(this, tr("About Notepad"),
+                       tr("The <b>Notepad</b> example demonstrates how to code a basic "
+                          "text editor using QtWidgets"));
+}

examples/widgets/tutorials/notepad/notepad.h

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+// Copyright (C) 2018 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef NOTEPAD_H
+#define NOTEPAD_H
+
+#include <QMainWindow>
+
+QT_BEGIN_NAMESPACE
+namespace Ui {
+class Notepad;
+}
+QT_END_NAMESPACE
+
+class Notepad : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit Notepad(QWidget *parent = nullptr);
+    ~Notepad();
+
+private slots:
+    void newDocument();
+    void open();
+    void save();
+    void saveAs();
+    void print();
+    void selectFont();
+    void setFontBold(bool bold);
+    void setFontUnderline(bool underline);
+    void setFontItalic(bool italic);
+    void about();
+
+private:
+    Ui::Notepad *ui;
+    QString currentFile;
+};
+
+#endif // NOTEPAD_H

examples/widgets/tutorials/notepad/notepad.pro

@@ -0,0 +1,23 @@
+TEMPLATE = app
+TARGET = notepad
+
+QT += widgets
+
+qtHaveModule(printsupport): QT += printsupport
+requires(qtConfig(fontdialog))
+
+SOURCES += \
+    main.cpp\
+    notepad.cpp
+
+HEADERS += notepad.h
+
+FORMS += notepad.ui
+
+RESOURCES += \
+    notepad.qrc
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/tutorials/notepad
+INSTALLS += target
+

examples/widgets/tutorials/notepad/notepad.qrc

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+<RCC>
+    <qresource prefix="/">
+        <file>images/info.png</file>
+        <file>images/new.png</file>
+        <file>images/open.png</file>
+        <file>images/paste.png</file>
+        <file>images/pencil.png</file>
+        <file>images/print.png</file>
+        <file>images/save.png</file>
+        <file>images/save_as.png</file>
+        <file>images/exit.png</file>
+        <file>images/font.png</file>
+        <file>images/copy.png</file>
+        <file>images/create.png</file>
+        <file>images/cut.png</file>
+        <file>images/edit_redo.png</file>
+        <file>images/edit_undo.png</file>
+        <file>images/bold.png</file>
+        <file>images/italic.png</file>
+        <file>images/underline.png</file>
+    </qresource>
+</RCC>

examples/widgets/tutorials/notepad/notepad.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Notepad</class>
+ <widget class="QMainWindow" name="Notepad">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>400</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Notepad</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <widget class="QTextEdit" name="textEdit"/>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>25</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuFile">
+    <property name="title">
+     <string>File</string>
+    </property>
+    <addaction name="actionNew"/>
+    <addaction name="actionOpen"/>
+    <addaction name="actionSave"/>
+    <addaction name="actionSave_as"/>
+    <addaction name="actionPrint"/>
+    <addaction name="separator"/>
+    <addaction name="actionExit"/>
+   </widget>
+   <widget class="QMenu" name="menuEdit">
+    <property name="title">
+     <string>Edit</string>
+    </property>
+    <addaction name="actionCopy"/>
+    <addaction name="actionCut"/>
+    <addaction name="actionPaste"/>
+    <addaction name="separator"/>
+    <addaction name="actionUndo"/>
+    <addaction name="actionRedo"/>
+    <addaction name="actionFont"/>
+   </widget>
+   <widget class="QMenu" name="menuAbout">
+    <property name="title">
+     <string>About</string>
+    </property>
+    <addaction name="actionAbout"/>
+   </widget>
+   <addaction name="menuFile"/>
+   <addaction name="menuEdit"/>
+   <addaction name="menuAbout"/>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+   <addaction name="actionNew"/>
+   <addaction name="actionOpen"/>
+   <addaction name="actionSave"/>
+   <addaction name="actionSave_as"/>
+   <addaction name="actionPrint"/>
+   <addaction name="separator"/>
+   <addaction name="actionCopy"/>
+   <addaction name="actionCut"/>
+   <addaction name="actionPaste"/>
+   <addaction name="actionUndo"/>
+   <addaction name="actionRedo"/>
+   <addaction name="separator"/>
+   <addaction name="actionFont"/>
+   <addaction name="actionBold"/>
+   <addaction name="actionItalic"/>
+   <addaction name="actionUnderline"/>
+   <addaction name="separator"/>
+   <addaction name="actionAbout"/>
+   <addaction name="separator"/>
+   <addaction name="actionExit"/>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+  <action name="actionNew">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/new.png</normaloff>:/images/new.png</iconset>
+   </property>
+   <property name="text">
+    <string>New</string>
+   </property>
+   <property name="toolTip">
+    <string>New text document</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+N</string>
+   </property>
+  </action>
+  <action name="actionOpen">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/open.png</normaloff>:/images/open.png</iconset>
+   </property>
+   <property name="text">
+    <string>Open</string>
+   </property>
+   <property name="toolTip">
+    <string>Open file</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+O</string>
+   </property>
+  </action>
+  <action name="actionSave">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/save.png</normaloff>:/images/save.png</iconset>
+   </property>
+   <property name="text">
+    <string>Save</string>
+   </property>
+   <property name="toolTip">
+    <string>Save file</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+S</string>
+   </property>
+  </action>
+  <action name="actionSave_as">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/save_as.png</normaloff>:/images/save_as.png</iconset>
+   </property>
+   <property name="text">
+    <string>Save as</string>
+   </property>
+   <property name="toolTip">
+    <string>Save file as</string>
+   </property>
+   <property name="shortcut">
+    <string>Alt+S</string>
+   </property>
+  </action>
+  <action name="actionPrint">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/print.png</normaloff>:/images/print.png</iconset>
+   </property>
+   <property name="text">
+    <string>Print</string>
+   </property>
+   <property name="toolTip">
+    <string>Print file</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+P</string>
+   </property>
+  </action>
+  <action name="actionExit">
+   <property name="icon">
+    <iconset theme="exit.png" resource="notepad.qrc">
+     <normaloff>:/images/exit.png</normaloff>:/images/exit.png</iconset>
+   </property>
+   <property name="text">
+    <string>Exit</string>
+   </property>
+   <property name="toolTip">
+    <string>Exit notepad</string>
+   </property>
+  </action>
+  <action name="actionCopy">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/copy.png</normaloff>:/images/copy.png</iconset>
+   </property>
+   <property name="text">
+    <string>Copy</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+C</string>
+   </property>
+  </action>
+  <action name="actionCut">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/cut.png</normaloff>:/images/cut.png</iconset>
+   </property>
+   <property name="text">
+    <string>Cut</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+X</string>
+   </property>
+  </action>
+  <action name="actionPaste">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/paste.png</normaloff>:/images/paste.png</iconset>
+   </property>
+   <property name="text">
+    <string>Paste</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+V</string>
+   </property>
+  </action>
+  <action name="actionUndo">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/edit_undo.png</normaloff>:/images/edit_undo.png</iconset>
+   </property>
+   <property name="text">
+    <string>Undo</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Z</string>
+   </property>
+  </action>
+  <action name="actionRedo">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/edit_redo.png</normaloff>:/images/edit_redo.png</iconset>
+   </property>
+   <property name="text">
+    <string>Redo</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Y</string>
+   </property>
+  </action>
+  <action name="actionFont">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/font.png</normaloff>:/images/font.png</iconset>
+   </property>
+   <property name="text">
+    <string>Font</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+F</string>
+   </property>
+  </action>
+  <action name="actionItalic">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/italic.png</normaloff>:/images/italic.png</iconset>
+   </property>
+   <property name="text">
+    <string>Italic</string>
+   </property>
+   <property name="toolTip">
+    <string>Italic font</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+I</string>
+   </property>
+  </action>
+  <action name="actionBold">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/bold.png</normaloff>:/images/bold.png</iconset>
+   </property>
+   <property name="text">
+    <string>actionBold</string>
+   </property>
+   <property name="toolTip">
+    <string>Bold</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+B</string>
+   </property>
+  </action>
+  <action name="actionUnderline">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/underline.png</normaloff>:/images/underline.png</iconset>
+   </property>
+   <property name="text">
+    <string>Underline</string>
+   </property>
+   <property name="toolTip">
+    <string>Underline</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+U</string>
+   </property>
+  </action>
+  <action name="actionAbout">
+   <property name="icon">
+    <iconset resource="notepad.qrc">
+     <normaloff>:/images/info.png</normaloff>:/images/info.png</iconset>
+   </property>
+   <property name="text">
+    <string>About</string>
+   </property>
+   <property name="toolTip">
+    <string>About Notepad</string>
+   </property>
+  </action>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources>
+  <include location="notepad.qrc"/>
+ </resources>
+ <connections/>
+</ui>