diff options
Diffstat (limited to 'examples/widgets/mainwindows/sdi')
| -rw-r--r-- | examples/widgets/mainwindows/sdi/CMakeLists.txt | 58 | ||||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/images/copy.png | bin | 1338 -> 0 bytes | |||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/images/cut.png | bin | 1323 -> 0 bytes | |||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/images/new.png | bin | 852 -> 0 bytes | |||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/images/open.png | bin | 2073 -> 0 bytes | |||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/images/paste.png | bin | 1645 -> 0 bytes | |||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/images/save.png | bin | 2699 -> 0 bytes | |||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/main.cpp | 84 | ||||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/mainwindow.cpp | 492 | ||||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/mainwindow.h | 117 | ||||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/sdi.pro | 11 | ||||
| -rw-r--r-- | examples/widgets/mainwindows/sdi/sdi.qrc | 10 |
12 files changed, 0 insertions, 772 deletions
diff --git a/examples/widgets/mainwindows/sdi/CMakeLists.txt b/examples/widgets/mainwindows/sdi/CMakeLists.txt deleted file mode 100644 index 4a255be50b..0000000000 --- a/examples/widgets/mainwindows/sdi/CMakeLists.txt +++ /dev/null @@ -1,58 +0,0 @@ -# Generated from sdi.pro. - -cmake_minimum_required(VERSION 3.16) -project(sdi LANGUAGES CXX) - -set(CMAKE_INCLUDE_CURRENT_DIR ON) - -set(CMAKE_AUTOMOC ON) -set(CMAKE_AUTORCC ON) -set(CMAKE_AUTOUIC ON) - -if(NOT DEFINED INSTALL_EXAMPLESDIR) - set(INSTALL_EXAMPLESDIR "examples") -endif() - -set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/mainwindows/sdi") - -find_package(Qt6 COMPONENTS Core) -find_package(Qt6 COMPONENTS Gui) -find_package(Qt6 COMPONENTS Widgets) - -qt_add_executable(sdi - main.cpp - mainwindow.cpp mainwindow.h -) -set_target_properties(sdi PROPERTIES - WIN32_EXECUTABLE TRUE - MACOSX_BUNDLE TRUE -) -target_link_libraries(sdi PUBLIC - Qt::Core - Qt::Gui - Qt::Widgets -) - - -# Resources: -set(sdi_resource_files - "images/copy.png" - "images/cut.png" - "images/new.png" - "images/open.png" - "images/paste.png" - "images/save.png" -) - -qt6_add_resources(sdi "sdi" - PREFIX - "/" - FILES - ${sdi_resource_files} -) - -install(TARGETS sdi - RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}" - BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}" - LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}" -) diff --git a/examples/widgets/mainwindows/sdi/images/copy.png b/examples/widgets/mainwindows/sdi/images/copy.png Binary files differdeleted file mode 100644 index 2aeb28288f..0000000000 --- a/examples/widgets/mainwindows/sdi/images/copy.png +++ /dev/null diff --git a/examples/widgets/mainwindows/sdi/images/cut.png b/examples/widgets/mainwindows/sdi/images/cut.png Binary files differdeleted file mode 100644 index 54638e9386..0000000000 --- a/examples/widgets/mainwindows/sdi/images/cut.png +++ /dev/null diff --git a/examples/widgets/mainwindows/sdi/images/new.png b/examples/widgets/mainwindows/sdi/images/new.png Binary files differdeleted file mode 100644 index 12131b0100..0000000000 --- a/examples/widgets/mainwindows/sdi/images/new.png +++ /dev/null diff --git a/examples/widgets/mainwindows/sdi/images/open.png b/examples/widgets/mainwindows/sdi/images/open.png Binary files differdeleted file mode 100644 index 45fa2883a7..0000000000 --- a/examples/widgets/mainwindows/sdi/images/open.png +++ /dev/null diff --git a/examples/widgets/mainwindows/sdi/images/paste.png b/examples/widgets/mainwindows/sdi/images/paste.png Binary files differdeleted file mode 100644 index c14425cad1..0000000000 --- a/examples/widgets/mainwindows/sdi/images/paste.png +++ /dev/null diff --git a/examples/widgets/mainwindows/sdi/images/save.png b/examples/widgets/mainwindows/sdi/images/save.png Binary files differdeleted file mode 100644 index e65a29d5f1..0000000000 --- a/examples/widgets/mainwindows/sdi/images/save.png +++ /dev/null diff --git a/examples/widgets/mainwindows/sdi/main.cpp b/examples/widgets/mainwindows/sdi/main.cpp deleted file mode 100644 index 7a18c0c39c..0000000000 --- a/examples/widgets/mainwindows/sdi/main.cpp +++ /dev/null @@ -1,84 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QApplication> -#include <QCommandLineParser> - -#include "mainwindow.h" - -int main(int argc, char *argv[]) -{ - Q_INIT_RESOURCE(sdi); - QApplication app(argc, argv); - QCoreApplication::setApplicationName("SDI Example"); - QCoreApplication::setOrganizationName("QtProject"); - QCoreApplication::setApplicationVersion(QT_VERSION_STR); - QCommandLineParser parser; - parser.setApplicationDescription(QCoreApplication::applicationName()); - parser.addHelpOption(); - parser.addVersionOption(); - parser.addPositionalArgument("file", "The file(s) to open."); - parser.process(app); - - MainWindow *mainWin = nullptr; - const QStringList posArgs = parser.positionalArguments(); - for (const QString &file : posArgs) { - MainWindow *newWin = new MainWindow(file); - newWin->tile(mainWin); - newWin->show(); - mainWin = newWin; - } - - if (!mainWin) - mainWin = new MainWindow; - mainWin->show(); - - return app.exec(); -} diff --git a/examples/widgets/mainwindows/sdi/mainwindow.cpp b/examples/widgets/mainwindows/sdi/mainwindow.cpp deleted file mode 100644 index 25c9df7102..0000000000 --- a/examples/widgets/mainwindows/sdi/mainwindow.cpp +++ /dev/null @@ -1,492 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtWidgets> - -#include "mainwindow.h" - -MainWindow::MainWindow() -{ - init(); - setCurrentFile(QString()); -} - -MainWindow::MainWindow(const QString &fileName) -{ - init(); - loadFile(fileName); -} - -void MainWindow::closeEvent(QCloseEvent *event) -{ - if (maybeSave()) { - writeSettings(); - event->accept(); - } else { - event->ignore(); - } -} - -void MainWindow::newFile() -{ - MainWindow *other = new MainWindow; - other->tile(this); - other->show(); -} - -void MainWindow::open() -{ - const QString fileName = QFileDialog::getOpenFileName(this); - if (!fileName.isEmpty()) - openFile(fileName); -} - -void MainWindow::openFile(const QString &fileName) -{ - MainWindow *existing = findMainWindow(fileName); - if (existing) { - existing->show(); - existing->raise(); - existing->activateWindow(); - return; - } - - if (isUntitled && textEdit->document()->isEmpty() && !isWindowModified()) { - loadFile(fileName); - return; - } - - MainWindow *other = new MainWindow(fileName); - if (other->isUntitled) { - delete other; - return; - } - other->tile(this); - other->show(); -} - -bool MainWindow::save() -{ - return isUntitled ? saveAs() : saveFile(curFile); -} - -bool MainWindow::saveAs() -{ - QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"), - curFile); - if (fileName.isEmpty()) - return false; - - return saveFile(fileName); -} - -void MainWindow::about() -{ - QMessageBox::about(this, tr("About SDI"), - tr("The <b>SDI</b> example demonstrates how to write single " - "document interface applications using Qt.")); -} - -void MainWindow::documentWasModified() -{ - setWindowModified(true); -} - -void MainWindow::init() -{ - setAttribute(Qt::WA_DeleteOnClose); - - isUntitled = true; - - textEdit = new QTextEdit; - setCentralWidget(textEdit); - - createActions(); - createStatusBar(); - - readSettings(); - - connect(textEdit->document(), &QTextDocument::contentsChanged, - this, &MainWindow::documentWasModified); - - setUnifiedTitleAndToolBarOnMac(true); -} - -void MainWindow::tile(const QMainWindow *previous) -{ - if (!previous) - return; - int topFrameWidth = previous->geometry().top() - previous->pos().y(); - if (!topFrameWidth) - topFrameWidth = 40; - const QPoint pos = previous->pos() + 2 * QPoint(topFrameWidth, topFrameWidth); - if (screen()->availableGeometry().contains(rect().bottomRight() + pos)) - move(pos); -} - -//! [implicit tr context] -void MainWindow::createActions() -{ - QMenu *fileMenu = menuBar()->addMenu(tr("&File")); -//! [implicit tr context] - QToolBar *fileToolBar = addToolBar(tr("File")); - - const QIcon newIcon = QIcon::fromTheme("document-new", QIcon(":/images/new.png")); - QAction *newAct = new QAction(newIcon, tr("&New"), this); - newAct->setShortcuts(QKeySequence::New); - newAct->setStatusTip(tr("Create a new file")); - connect(newAct, &QAction::triggered, this, &MainWindow::newFile); - fileMenu->addAction(newAct); - fileToolBar->addAction(newAct); - - const QIcon openIcon = QIcon::fromTheme("document-open", QIcon(":/images/open.png")); - QAction *openAct = new QAction(openIcon, tr("&Open..."), this); - openAct->setShortcuts(QKeySequence::Open); - openAct->setStatusTip(tr("Open an existing file")); - connect(openAct, &QAction::triggered, this, &MainWindow::open); - fileMenu->addAction(openAct); - fileToolBar->addAction(openAct); - - const QIcon saveIcon = QIcon::fromTheme("document-save", QIcon(":/images/save.png")); - QAction *saveAct = new QAction(saveIcon, tr("&Save"), this); - saveAct->setShortcuts(QKeySequence::Save); - saveAct->setStatusTip(tr("Save the document to disk")); - connect(saveAct, &QAction::triggered, this, &MainWindow::save); - fileMenu->addAction(saveAct); - fileToolBar->addAction(saveAct); - - const QIcon saveAsIcon = QIcon::fromTheme("document-save-as"); - QAction *saveAsAct = fileMenu->addAction(saveAsIcon, tr("Save &As..."), this, &MainWindow::saveAs); - saveAsAct->setShortcuts(QKeySequence::SaveAs); - saveAsAct->setStatusTip(tr("Save the document under a new name")); - - fileMenu->addSeparator(); - - QMenu *recentMenu = fileMenu->addMenu(tr("Recent...")); - connect(recentMenu, &QMenu::aboutToShow, this, &MainWindow::updateRecentFileActions); - recentFileSubMenuAct = recentMenu->menuAction(); - - for (int i = 0; i < MaxRecentFiles; ++i) { - recentFileActs[i] = recentMenu->addAction(QString(), this, &MainWindow::openRecentFile); - recentFileActs[i]->setVisible(false); - } - - recentFileSeparator = fileMenu->addSeparator(); - - setRecentFilesVisible(MainWindow::hasRecentFiles()); - - QAction *closeAct = fileMenu->addAction(tr("&Close"), this, &QWidget::close); - closeAct->setShortcut(tr("Ctrl+W")); - closeAct->setStatusTip(tr("Close this window")); - - const QIcon exitIcon = QIcon::fromTheme("application-exit"); - QAction *exitAct = fileMenu->addAction(exitIcon, tr("E&xit"), qApp, &QApplication::quit); - exitAct->setShortcuts(QKeySequence::Quit); - exitAct->setStatusTip(tr("Exit the application")); - - QMenu *editMenu = menuBar()->addMenu(tr("&Edit")); - QToolBar *editToolBar = addToolBar(tr("Edit")); - -#ifndef QT_NO_CLIPBOARD - const QIcon cutIcon = QIcon::fromTheme("edit-cut", QIcon(":/images/cut.png")); - QAction *cutAct = new QAction(cutIcon, tr("Cu&t"), this); - cutAct->setShortcuts(QKeySequence::Cut); - cutAct->setStatusTip(tr("Cut the current selection's contents to the " - "clipboard")); - connect(cutAct, &QAction::triggered, textEdit, &QTextEdit::cut); - editMenu->addAction(cutAct); - editToolBar->addAction(cutAct); - - const QIcon copyIcon = QIcon::fromTheme("edit-copy", QIcon(":/images/copy.png")); - QAction *copyAct = new QAction(copyIcon, tr("&Copy"), this); - copyAct->setShortcuts(QKeySequence::Copy); - copyAct->setStatusTip(tr("Copy the current selection's contents to the " - "clipboard")); - connect(copyAct, &QAction::triggered, textEdit, &QTextEdit::copy); - editMenu->addAction(copyAct); - editToolBar->addAction(copyAct); - - const QIcon pasteIcon = QIcon::fromTheme("edit-paste", QIcon(":/images/paste.png")); - QAction *pasteAct = new QAction(pasteIcon, tr("&Paste"), this); - pasteAct->setShortcuts(QKeySequence::Paste); - pasteAct->setStatusTip(tr("Paste the clipboard's contents into the current " - "selection")); - connect(pasteAct, &QAction::triggered, textEdit, &QTextEdit::paste); - editMenu->addAction(pasteAct); - editToolBar->addAction(pasteAct); - - menuBar()->addSeparator(); -#endif // !QT_NO_CLIPBOARD - - QMenu *helpMenu = menuBar()->addMenu(tr("&Help")); - QAction *aboutAct = helpMenu->addAction(tr("&About"), this, &MainWindow::about); - aboutAct->setStatusTip(tr("Show the application's About box")); - - QAction *aboutQtAct = helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt); - aboutQtAct->setStatusTip(tr("Show the Qt library's About box")); - -#ifndef QT_NO_CLIPBOARD - cutAct->setEnabled(false); - copyAct->setEnabled(false); - connect(textEdit, &QTextEdit::copyAvailable, cutAct, &QAction::setEnabled); - connect(textEdit, &QTextEdit::copyAvailable, copyAct, &QAction::setEnabled); -#endif // !QT_NO_CLIPBOARD -} - -void MainWindow::createStatusBar() -{ - statusBar()->showMessage(tr("Ready")); -} - -void MainWindow::readSettings() -{ - QSettings settings(QCoreApplication::organizationName(), QCoreApplication::applicationName()); - const QByteArray geometry = settings.value("geometry", QByteArray()).toByteArray(); - if (geometry.isEmpty()) { - const QRect availableGeometry = screen()->availableGeometry(); - resize(availableGeometry.width() / 3, availableGeometry.height() / 2); - move((availableGeometry.width() - width()) / 2, - (availableGeometry.height() - height()) / 2); - } else { - restoreGeometry(geometry); - } -} - -void MainWindow::writeSettings() -{ - QSettings settings(QCoreApplication::organizationName(), QCoreApplication::applicationName()); - settings.setValue("geometry", saveGeometry()); -} - -bool MainWindow::maybeSave() -{ - if (!textEdit->document()->isModified()) - return true; - const QMessageBox::StandardButton ret - = QMessageBox::warning(this, tr("SDI"), - tr("The document has been modified.\n" - "Do you want to save your changes?"), - QMessageBox::Save | QMessageBox::Discard - | QMessageBox::Cancel); - switch (ret) { - case QMessageBox::Save: - return save(); - case QMessageBox::Cancel: - return false; - default: - break; - } - return true; -} - -void MainWindow::loadFile(const QString &fileName) -{ - - QFile file(fileName); - if (!file.open(QFile::ReadOnly | QFile::Text)) { - QMessageBox::warning(this, tr("SDI"), - tr("Cannot read file %1:\n%2.") - .arg(QDir::toNativeSeparators(fileName), file.errorString())); - return; - } - - QTextStream in(&file); - QGuiApplication::setOverrideCursor(Qt::WaitCursor); - textEdit->setPlainText(in.readAll()); - QGuiApplication::restoreOverrideCursor(); - - setCurrentFile(fileName); - statusBar()->showMessage(tr("File loaded"), 2000); -} - -void MainWindow::setRecentFilesVisible(bool visible) -{ - recentFileSubMenuAct->setVisible(visible); - recentFileSeparator->setVisible(visible); -} - -static inline QString recentFilesKey() { return QStringLiteral("recentFileList"); } -static inline QString fileKey() { return QStringLiteral("file"); } - -static QStringList readRecentFiles(QSettings &settings) -{ - QStringList result; - const int count = settings.beginReadArray(recentFilesKey()); - for (int i = 0; i < count; ++i) { - settings.setArrayIndex(i); - result.append(settings.value(fileKey()).toString()); - } - settings.endArray(); - return result; -} - -static void writeRecentFiles(const QStringList &files, QSettings &settings) -{ - const int count = files.size(); - settings.beginWriteArray(recentFilesKey()); - for (int i = 0; i < count; ++i) { - settings.setArrayIndex(i); - settings.setValue(fileKey(), files.at(i)); - } - settings.endArray(); -} - -bool MainWindow::hasRecentFiles() -{ - QSettings settings(QCoreApplication::organizationName(), QCoreApplication::applicationName()); - const int count = settings.beginReadArray(recentFilesKey()); - settings.endArray(); - return count > 0; -} - -void MainWindow::prependToRecentFiles(const QString &fileName) -{ - QSettings settings(QCoreApplication::organizationName(), QCoreApplication::applicationName()); - - const QStringList oldRecentFiles = readRecentFiles(settings); - QStringList recentFiles = oldRecentFiles; - recentFiles.removeAll(fileName); - recentFiles.prepend(fileName); - if (oldRecentFiles != recentFiles) - writeRecentFiles(recentFiles, settings); - - setRecentFilesVisible(!recentFiles.isEmpty()); -} - -void MainWindow::updateRecentFileActions() -{ - QSettings settings(QCoreApplication::organizationName(), QCoreApplication::applicationName()); - - const QStringList recentFiles = readRecentFiles(settings); - const int count = qMin(int(MaxRecentFiles), recentFiles.size()); - int i = 0; - for ( ; i < count; ++i) { - const QString fileName = MainWindow::strippedName(recentFiles.at(i)); - recentFileActs[i]->setText(tr("&%1 %2").arg(i + 1).arg(fileName)); - recentFileActs[i]->setData(recentFiles.at(i)); - recentFileActs[i]->setVisible(true); - } - for ( ; i < MaxRecentFiles; ++i) - recentFileActs[i]->setVisible(false); -} - -void MainWindow::openRecentFile() -{ - if (const QAction *action = qobject_cast<const QAction *>(sender())) - openFile(action->data().toString()); -} - -bool MainWindow::saveFile(const QString &fileName) -{ - QString errorMessage; - - QGuiApplication::setOverrideCursor(Qt::WaitCursor); - QSaveFile file(fileName); - if (file.open(QFile::WriteOnly | QFile::Text)) { - QTextStream out(&file); - out << textEdit->toPlainText(); - if (!file.commit()) { - errorMessage = tr("Cannot write file %1:\n%2.") - .arg(QDir::toNativeSeparators(fileName), file.errorString()); - } - } else { - errorMessage = tr("Cannot open file %1 for writing:\n%2.") - .arg(QDir::toNativeSeparators(fileName), file.errorString()); - } - QGuiApplication::restoreOverrideCursor(); - - if (!errorMessage.isEmpty()) { - QMessageBox::warning(this, tr("SDI"), errorMessage); - return false; - } - - setCurrentFile(fileName); - statusBar()->showMessage(tr("File saved"), 2000); - return true; -} - -void MainWindow::setCurrentFile(const QString &fileName) -{ - static int sequenceNumber = 1; - - isUntitled = fileName.isEmpty(); - if (isUntitled) { - curFile = tr("document%1.txt").arg(sequenceNumber++); - } else { - curFile = QFileInfo(fileName).canonicalFilePath(); - } - - textEdit->document()->setModified(false); - setWindowModified(false); - - if (!isUntitled && windowFilePath() != curFile) - MainWindow::prependToRecentFiles(curFile); - - setWindowFilePath(curFile); -} - -QString MainWindow::strippedName(const QString &fullFileName) -{ - return QFileInfo(fullFileName).fileName(); -} - -MainWindow *MainWindow::findMainWindow(const QString &fileName) const -{ - QString canonicalFilePath = QFileInfo(fileName).canonicalFilePath(); - - const QList<QWidget *> topLevelWidgets = QApplication::topLevelWidgets(); - for (QWidget *widget : topLevelWidgets) { - MainWindow *mainWin = qobject_cast<MainWindow *>(widget); - if (mainWin && mainWin->curFile == canonicalFilePath) - return mainWin; - } - - return nullptr; -} diff --git a/examples/widgets/mainwindows/sdi/mainwindow.h b/examples/widgets/mainwindows/sdi/mainwindow.h deleted file mode 100644 index 059710eacb..0000000000 --- a/examples/widgets/mainwindows/sdi/mainwindow.h +++ /dev/null @@ -1,117 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef MAINWINDOW_H -#define MAINWINDOW_H - -#include <QMainWindow> -#include <QList> - -QT_BEGIN_NAMESPACE -class QAction; -class QMenu; -class QTextEdit; -QT_END_NAMESPACE - -//! [class definition with macro] -class MainWindow : public QMainWindow -{ - Q_OBJECT - -public: - MainWindow(); -//! [class definition with macro] - explicit MainWindow(const QString &fileName); - - void tile(const QMainWindow *previous); - -protected: - void closeEvent(QCloseEvent *event) override; - -private slots: - void newFile(); - void open(); - bool save(); - bool saveAs(); - void updateRecentFileActions(); - void openRecentFile(); - void about(); - void documentWasModified(); - -private: - enum { MaxRecentFiles = 5 }; - - void init(); - void createActions(); - void createStatusBar(); - void readSettings(); - void writeSettings(); - bool maybeSave(); - void openFile(const QString &fileName); - void loadFile(const QString &fileName); - static bool hasRecentFiles(); - void prependToRecentFiles(const QString &fileName); - void setRecentFilesVisible(bool visible); - bool saveFile(const QString &fileName); - void setCurrentFile(const QString &fileName); - static QString strippedName(const QString &fullFileName); - MainWindow *findMainWindow(const QString &fileName) const; - - QTextEdit *textEdit; - - QAction *recentFileActs[MaxRecentFiles]; - QAction *recentFileSeparator; - QAction *recentFileSubMenuAct; - - QString curFile; - bool isUntitled; -}; - -#endif diff --git a/examples/widgets/mainwindows/sdi/sdi.pro b/examples/widgets/mainwindows/sdi/sdi.pro deleted file mode 100644 index 30d07b0665..0000000000 --- a/examples/widgets/mainwindows/sdi/sdi.pro +++ /dev/null @@ -1,11 +0,0 @@ -QT += widgets -requires(qtConfig(filedialog)) - -HEADERS = mainwindow.h -SOURCES = main.cpp \ - mainwindow.cpp -RESOURCES = sdi.qrc - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/widgets/mainwindows/sdi -INSTALLS += target diff --git a/examples/widgets/mainwindows/sdi/sdi.qrc b/examples/widgets/mainwindows/sdi/sdi.qrc deleted file mode 100644 index 0a776fab4d..0000000000 --- a/examples/widgets/mainwindows/sdi/sdi.qrc +++ /dev/null @@ -1,10 +0,0 @@ -<!DOCTYPE RCC><RCC version="1.0"> -<qresource> - <file>images/copy.png</file> - <file>images/cut.png</file> - <file>images/new.png</file> - <file>images/open.png</file> - <file>images/paste.png</file> - <file>images/save.png</file> -</qresource> -</RCC> |
