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Diffstat (limited to 'examples/widgets/mainwindows/mainwindow/mainwindow.cpp')
| -rw-r--r-- | examples/widgets/mainwindows/mainwindow/mainwindow.cpp | 491 |
1 files changed, 0 insertions, 491 deletions
diff --git a/examples/widgets/mainwindows/mainwindow/mainwindow.cpp b/examples/widgets/mainwindows/mainwindow/mainwindow.cpp deleted file mode 100644 index d5a7d6ae07..0000000000 --- a/examples/widgets/mainwindows/mainwindow/mainwindow.cpp +++ /dev/null @@ -1,491 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications 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 "mainwindow.h" -#include "colorswatch.h" -#include "toolbar.h" - -#include <QActionGroup> -#include <QLayout> -#include <QMenu> -#include <QMenuBar> -#include <QStatusBar> -#include <QTextEdit> -#include <QFile> -#include <QDataStream> -#include <QFileDialog> -#include <QDialogButtonBox> -#include <QMessageBox> -#include <QApplication> -#include <QPainter> -#include <QMouseEvent> -#include <QLineEdit> -#include <QComboBox> -#include <QLabel> -#include <QPushButton> -#include <QTextEdit> -#include <QDebug> - -static const char message[] = - "<p><b>Qt Main Window Example</b></p>" - - "<p>This is a demonstration of the QMainWindow, QToolBar and " - "QDockWidget classes.</p>" - - "<p>The tool bar and dock widgets can be dragged around and rearranged " - "using the mouse or via the menu.</p>" - - "<p>Each dock widget contains a colored frame and a context " - "(right-click) menu.</p>" - -#ifdef Q_OS_MAC - "<p>On OS X, the \"Black\" dock widget has been created as a " - "<em>Drawer</em>, which is a special kind of QDockWidget.</p>" -#endif - ; - -Q_DECLARE_METATYPE(QDockWidget::DockWidgetFeatures) - -MainWindow::MainWindow(const CustomSizeHintMap &customSizeHints, - QWidget *parent, Qt::WindowFlags flags) - : QMainWindow(parent, flags) -{ - Q_UNUSED(message); - setObjectName("MainWindow"); - setWindowTitle("Qt Main Window Example"); - - QTextEdit *center = new QTextEdit(this); - center->setReadOnly(true); - center->setMinimumSize(400, 205); - setCentralWidget(center); - - setupToolBar(); - setupMenuBar(); - setupDockWidgets(customSizeHints); - - statusBar()->showMessage(tr("Status Bar")); -} - -void MainWindow::actionTriggered(QAction *action) -{ - qDebug("action '%s' triggered", action->text().toLocal8Bit().data()); -} - -void MainWindow::setupToolBar() -{ -#ifdef Q_OS_MACOS - setUnifiedTitleAndToolBarOnMac(true); -#endif - - for (int i = 0; i < 3; ++i) { - ToolBar *tb = new ToolBar(QString::fromLatin1("Tool Bar %1").arg(i + 1), this); - toolBars.append(tb); - addToolBar(tb); - } -} - -void MainWindow::setupMenuBar() -{ - QMenu *menu = menuBar()->addMenu(tr("&File")); - - menu->addAction(tr("Save layout..."), this, &MainWindow::saveLayout); - menu->addAction(tr("Load layout..."), this, &MainWindow::loadLayout); - menu->addAction(tr("Switch layout direction"),this, &MainWindow::switchLayoutDirection); - - menu->addSeparator(); - menu->addAction(tr("&Quit"), this, &QWidget::close); - - mainWindowMenu = menuBar()->addMenu(tr("Main window")); - - QAction *action = mainWindowMenu->addAction(tr("Animated docks")); - action->setCheckable(true); - action->setChecked(dockOptions() & AnimatedDocks); - connect(action, &QAction::toggled, this, &MainWindow::setDockOptions); - - action = mainWindowMenu->addAction(tr("Allow nested docks")); - action->setCheckable(true); - action->setChecked(dockOptions() & AllowNestedDocks); - connect(action, &QAction::toggled, this, &MainWindow::setDockOptions); - - action = mainWindowMenu->addAction(tr("Allow tabbed docks")); - action->setCheckable(true); - action->setChecked(dockOptions() & AllowTabbedDocks); - connect(action, &QAction::toggled, this, &MainWindow::setDockOptions); - - action = mainWindowMenu->addAction(tr("Force tabbed docks")); - action->setCheckable(true); - action->setChecked(dockOptions() & ForceTabbedDocks); - connect(action, &QAction::toggled, this, &MainWindow::setDockOptions); - - action = mainWindowMenu->addAction(tr("Vertical tabs")); - action->setCheckable(true); - action->setChecked(dockOptions() & VerticalTabs); - connect(action, &QAction::toggled, this, &MainWindow::setDockOptions); - - action = mainWindowMenu->addAction(tr("Grouped dragging")); - action->setCheckable(true); - action->setChecked(dockOptions() & GroupedDragging); - connect(action, &QAction::toggled, this, &MainWindow::setDockOptions); - - QMenu *toolBarMenu = menuBar()->addMenu(tr("Tool bars")); - for (int i = 0; i < toolBars.count(); ++i) - toolBarMenu->addMenu(toolBars.at(i)->toolbarMenu()); - -#ifdef Q_OS_MACOS - toolBarMenu->addSeparator(); - - action = toolBarMenu->addAction(tr("Unified")); - action->setCheckable(true); - action->setChecked(unifiedTitleAndToolBarOnMac()); - connect(action, &QAction::toggled, this, &QMainWindow::setUnifiedTitleAndToolBarOnMac); -#endif - - dockWidgetMenu = menuBar()->addMenu(tr("&Dock Widgets")); - - QMenu *aboutMenu = menuBar()->addMenu(tr("About")); - QAction *aboutAct = aboutMenu->addAction(tr("&About"), this, &MainWindow::about); - aboutAct->setStatusTip(tr("Show the application's About box")); - - QAction *aboutQtAct = aboutMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt); - aboutQtAct->setStatusTip(tr("Show the Qt library's About box")); -} - -void MainWindow::setDockOptions() -{ - DockOptions opts; - QList<QAction*> actions = mainWindowMenu->actions(); - - if (actions.at(0)->isChecked()) - opts |= AnimatedDocks; - if (actions.at(1)->isChecked()) - opts |= AllowNestedDocks; - if (actions.at(2)->isChecked()) - opts |= AllowTabbedDocks; - if (actions.at(3)->isChecked()) - opts |= ForceTabbedDocks; - if (actions.at(4)->isChecked()) - opts |= VerticalTabs; - if (actions.at(5)->isChecked()) - opts |= GroupedDragging; - - QMainWindow::setDockOptions(opts); -} - -void MainWindow::saveLayout() -{ - QString fileName - = QFileDialog::getSaveFileName(this, tr("Save layout")); - if (fileName.isEmpty()) - return; - QFile file(fileName); - if (!file.open(QFile::WriteOnly)) { - QString msg = tr("Failed to open %1\n%2") - .arg(QDir::toNativeSeparators(fileName), file.errorString()); - QMessageBox::warning(this, tr("Error"), msg); - return; - } - - QByteArray geo_data = saveGeometry(); - QByteArray layout_data = saveState(); - - bool ok = file.putChar((uchar)geo_data.size()); - if (ok) - ok = file.write(geo_data) == geo_data.size(); - if (ok) - ok = file.write(layout_data) == layout_data.size(); - - if (!ok) { - QString msg = tr("Error writing to %1\n%2") - .arg(QDir::toNativeSeparators(fileName), file.errorString()); - QMessageBox::warning(this, tr("Error"), msg); - return; - } -} - -void MainWindow::loadLayout() -{ - QString fileName - = QFileDialog::getOpenFileName(this, tr("Load layout")); - if (fileName.isEmpty()) - return; - QFile file(fileName); - if (!file.open(QFile::ReadOnly)) { - QString msg = tr("Failed to open %1\n%2") - .arg(QDir::toNativeSeparators(fileName), file.errorString()); - QMessageBox::warning(this, tr("Error"), msg); - return; - } - - uchar geo_size; - QByteArray geo_data; - QByteArray layout_data; - - bool ok = file.getChar((char*)&geo_size); - if (ok) { - geo_data = file.read(geo_size); - ok = geo_data.size() == geo_size; - } - if (ok) { - layout_data = file.readAll(); - ok = layout_data.size() > 0; - } - - if (ok) - ok = restoreGeometry(geo_data); - if (ok) - ok = restoreState(layout_data); - - if (!ok) { - QString msg = tr("Error reading %1").arg(QDir::toNativeSeparators(fileName)); - QMessageBox::warning(this, tr("Error"), msg); - return; - } -} - -static QAction *addCornerAction(const QString &text, QMainWindow *mw, QMenu *menu, QActionGroup *group, - Qt::Corner c, Qt::DockWidgetArea a) -{ - QAction *result = menu->addAction(text, mw, [=]() { mw->setCorner(c, a); }); - result->setCheckable(true); - group->addAction(result); - return result; -} - -void MainWindow::setupDockWidgets(const CustomSizeHintMap &customSizeHints) -{ - qRegisterMetaType<QDockWidget::DockWidgetFeatures>(); - - QMenu *cornerMenu = dockWidgetMenu->addMenu(tr("Top left corner")); - QActionGroup *group = new QActionGroup(this); - group->setExclusive(true); - QAction *cornerAction = addCornerAction(tr("Top dock area"), this, cornerMenu, group, Qt::TopLeftCorner, Qt::TopDockWidgetArea); - cornerAction->setChecked(true); - addCornerAction(tr("Left dock area"), this, cornerMenu, group, Qt::TopLeftCorner, Qt::LeftDockWidgetArea); - - cornerMenu = dockWidgetMenu->addMenu(tr("Top right corner")); - group = new QActionGroup(this); - group->setExclusive(true); - cornerAction = addCornerAction(tr("Top dock area"), this, cornerMenu, group, Qt::TopRightCorner, Qt::TopDockWidgetArea); - cornerAction->setChecked(true); - addCornerAction(tr("Right dock area"), this, cornerMenu, group, Qt::TopRightCorner, Qt::RightDockWidgetArea); - - cornerMenu = dockWidgetMenu->addMenu(tr("Bottom left corner")); - group = new QActionGroup(this); - group->setExclusive(true); - cornerAction = addCornerAction(tr("Bottom dock area"), this, cornerMenu, group, Qt::BottomLeftCorner, Qt::BottomDockWidgetArea); - cornerAction->setChecked(true); - addCornerAction(tr("Left dock area"), this, cornerMenu, group, Qt::BottomLeftCorner, Qt::LeftDockWidgetArea); - - cornerMenu = dockWidgetMenu->addMenu(tr("Bottom right corner")); - group = new QActionGroup(this); - group->setExclusive(true); - cornerAction = addCornerAction(tr("Bottom dock area"), this, cornerMenu, group, Qt::BottomRightCorner, Qt::BottomDockWidgetArea); - cornerAction->setChecked(true); - addCornerAction(tr("Right dock area"), this, cornerMenu, group, Qt::BottomRightCorner, Qt::RightDockWidgetArea); - - dockWidgetMenu->addSeparator(); - - static const struct Set { - const char * name; - uint flags; - Qt::DockWidgetArea area; - } sets [] = { -#ifndef Q_OS_MAC - { "Black", 0, Qt::LeftDockWidgetArea }, -#else - { "Black", Qt::Drawer, Qt::LeftDockWidgetArea }, -#endif - { "White", 0, Qt::RightDockWidgetArea }, - { "Red", 0, Qt::TopDockWidgetArea }, - { "Green", 0, Qt::TopDockWidgetArea }, - { "Blue", 0, Qt::BottomDockWidgetArea }, - { "Yellow", 0, Qt::BottomDockWidgetArea } - }; - const int setCount = sizeof(sets) / sizeof(Set); - - const QIcon qtIcon(QPixmap(":/res/qt.png")); - for (int i = 0; i < setCount; ++i) { - ColorSwatch *swatch = new ColorSwatch(tr(sets[i].name), this, Qt::WindowFlags(sets[i].flags)); - if (i % 2) - swatch->setWindowIcon(qtIcon); - if (qstrcmp(sets[i].name, "Blue") == 0) { - BlueTitleBar *titlebar = new BlueTitleBar(swatch); - swatch->setTitleBarWidget(titlebar); - connect(swatch, &QDockWidget::topLevelChanged, titlebar, &BlueTitleBar::updateMask); - connect(swatch, &QDockWidget::featuresChanged, titlebar, &BlueTitleBar::updateMask, Qt::QueuedConnection); - } - - QString name = QString::fromLatin1(sets[i].name); - if (customSizeHints.contains(name)) - swatch->setCustomSizeHint(customSizeHints.value(name)); - - addDockWidget(sets[i].area, swatch); - dockWidgetMenu->addMenu(swatch->colorSwatchMenu()); - } - - destroyDockWidgetMenu = new QMenu(tr("Destroy dock widget"), this); - destroyDockWidgetMenu->setEnabled(false); - connect(destroyDockWidgetMenu, &QMenu::triggered, this, &MainWindow::destroyDockWidget); - - dockWidgetMenu->addSeparator(); - dockWidgetMenu->addAction(tr("Add dock widget..."), this, &MainWindow::createDockWidget); - dockWidgetMenu->addMenu(destroyDockWidgetMenu); -} - -void MainWindow::switchLayoutDirection() -{ - if (layoutDirection() == Qt::LeftToRight) - QApplication::setLayoutDirection(Qt::RightToLeft); - else - QApplication::setLayoutDirection(Qt::LeftToRight); -} - -class CreateDockWidgetDialog : public QDialog -{ -public: - explicit CreateDockWidgetDialog(QWidget *parent = nullptr); - - QString enteredObjectName() const { return m_objectName->text(); } - Qt::DockWidgetArea location() const; - -private: - QLineEdit *m_objectName; - QComboBox *m_location; -}; - -CreateDockWidgetDialog::CreateDockWidgetDialog(QWidget *parent) - : QDialog(parent) - , m_objectName(new QLineEdit(this)) - , m_location(new QComboBox(this)) -{ - setWindowTitle(tr("Add Dock Widget")); - setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint); - QGridLayout *layout = new QGridLayout(this); - - layout->addWidget(new QLabel(tr("Object name:")), 0, 0); - layout->addWidget(m_objectName, 0, 1); - - layout->addWidget(new QLabel(tr("Location:")), 1, 0); - m_location->setEditable(false); - m_location->addItem(tr("Top")); - m_location->addItem(tr("Left")); - m_location->addItem(tr("Right")); - m_location->addItem(tr("Bottom")); - m_location->addItem(tr("Restore")); - layout->addWidget(m_location, 1, 1); - - QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this); - connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject); - connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept); - layout->addWidget(buttonBox, 2, 0, 1, 2); -} - -Qt::DockWidgetArea CreateDockWidgetDialog::location() const -{ - switch (m_location->currentIndex()) { - case 0: return Qt::TopDockWidgetArea; - case 1: return Qt::LeftDockWidgetArea; - case 2: return Qt::RightDockWidgetArea; - case 3: return Qt::BottomDockWidgetArea; - default: - break; - } - return Qt::NoDockWidgetArea; -} - -void MainWindow::createDockWidget() -{ - CreateDockWidgetDialog dialog(this); - if (dialog.exec() == QDialog::Rejected) - return; - - QDockWidget *dw = new QDockWidget; - const QString name = dialog.enteredObjectName(); - dw->setObjectName(name); - dw->setWindowTitle(name); - dw->setWidget(new QTextEdit); - - Qt::DockWidgetArea area = dialog.location(); - switch (area) { - case Qt::LeftDockWidgetArea: - case Qt::RightDockWidgetArea: - case Qt::TopDockWidgetArea: - case Qt::BottomDockWidgetArea: - addDockWidget(area, dw); - break; - default: - if (!restoreDockWidget(dw)) { - QMessageBox::warning(this, QString(), tr("Failed to restore dock widget")); - delete dw; - return; - } - break; - } - - extraDockWidgets.append(dw); - destroyDockWidgetMenu->setEnabled(true); - destroyDockWidgetMenu->addAction(new QAction(name, this)); -} - -void MainWindow::destroyDockWidget(QAction *action) -{ - int index = destroyDockWidgetMenu->actions().indexOf(action); - delete extraDockWidgets.takeAt(index); - destroyDockWidgetMenu->removeAction(action); - action->deleteLater(); - - if (destroyDockWidgetMenu->isEmpty()) - destroyDockWidgetMenu->setEnabled(false); -} - -void MainWindow::about() -{ - QMessageBox::about(this, tr("About MainWindows"), message); -} |