Qt 4.0: controllerwindow.cpp Example File (widgets/windowflags/controllerwindow.cpp)

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# controllerwindow.cpp Example File
widgets/windowflags/controllerwindow.cpp

        /****************************************************************************
        **
        ** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation of the Qt Toolkit.
        **
        ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
    ** General Public Licensing requirements will be met:
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    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
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        **
        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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        ****************************************************************************/

        #include <QtGui>

        #include "controllerwindow.h"

        ControllerWindow::ControllerWindow()
        {
            previewWindow = new PreviewWindow(this);

            createTypeGroupBox();
            createHintsGroupBox();

            quitButton = new QPushButton(tr("&Quit"));
            connect(quitButton, SIGNAL(clicked()), qApp, SLOT(quit()));

            QHBoxLayout *bottomLayout = new QHBoxLayout;
            bottomLayout->addStretch();
            bottomLayout->addWidget(quitButton);

            QVBoxLayout *mainLayout = new QVBoxLayout;
            mainLayout->addWidget(typeGroupBox);
            mainLayout->addWidget(hintsGroupBox);
            mainLayout->addLayout(bottomLayout);
            setLayout(mainLayout);

            setWindowTitle(tr("Window Flags"));
            updatePreview();
        }

        void ControllerWindow::updatePreview()
        {
            Qt::WindowFlags flags = 0;

            if (windowRadioButton->isChecked()) {
                flags = Qt::Window;
            } else if (dialogRadioButton->isChecked()) {
                flags = Qt::Dialog;
            } else if (sheetRadioButton->isChecked()) {
                flags = Qt::Sheet;
            } else if (drawerRadioButton->isChecked()) {
                flags = Qt::Drawer;
            } else if (popupRadioButton->isChecked()) {
                flags = Qt::Popup;
            } else if (toolRadioButton->isChecked()) {
                flags = Qt::Tool;
            } else if (toolTipRadioButton->isChecked()) {
                flags = Qt::ToolTip;
            } else if (splashScreenRadioButton->isChecked()) {
                flags = Qt::SplashScreen;
            }

            if (msWindowsFixedSizeDialogCheckBox->isChecked())
                flags |= Qt::MSWindowsFixedSizeDialogHint;
            if (x11BypassWindowManagerCheckBox->isChecked())
                flags |= Qt::X11BypassWindowManagerHint;
            if (framelessWindowCheckBox->isChecked())
                flags |= Qt::FramelessWindowHint;
            if (windowTitleCheckBox->isChecked())
                flags |= Qt::WindowTitleHint;
            if (windowSystemMenuCheckBox->isChecked())
                flags |= Qt::WindowSystemMenuHint;
            if (windowMinimizeButtonCheckBox->isChecked())
                flags |= Qt::WindowMinimizeButtonHint;
            if (windowMaximizeButtonCheckBox->isChecked())
                flags |= Qt::WindowMaximizeButtonHint;
            if (windowContextHelpButtonCheckBox->isChecked())
                flags |= Qt::WindowContextHelpButtonHint;
            if (windowShadeButtonCheckBox->isChecked())
                flags |= Qt::WindowShadeButtonHint;
            if (windowStaysOnTopCheckBox->isChecked())
                flags |= Qt::WindowStaysOnTopHint;

            previewWindow->setWindowFlags(flags);
            previewWindow->show();

            QPoint pos = previewWindow->pos();
            if (pos.x() < 0)
                pos.setX(0);
            if (pos.y() < 0)
                pos.setY(0);
            previewWindow->move(pos);
        }

        void ControllerWindow::createTypeGroupBox()
        {
            typeGroupBox = new QGroupBox(tr("Type"));

            windowRadioButton = createRadioButton(tr("Window"));
            dialogRadioButton = createRadioButton(tr("Dialog"));
            sheetRadioButton = createRadioButton(tr("Sheet"));
            drawerRadioButton = createRadioButton(tr("Drawer"));
            popupRadioButton = createRadioButton(tr("Popup"));
            toolRadioButton = createRadioButton(tr("Tool"));
            toolTipRadioButton = createRadioButton(tr("Tooltip"));
            splashScreenRadioButton = createRadioButton(tr("Splash screen"));
            windowRadioButton->setChecked(true);

            QGridLayout *layout = new QGridLayout;
            layout->addWidget(windowRadioButton, 0, 0);
            layout->addWidget(dialogRadioButton, 1, 0);
            layout->addWidget(sheetRadioButton, 2, 0);
            layout->addWidget(drawerRadioButton, 3, 0);
            layout->addWidget(popupRadioButton, 0, 1);
            layout->addWidget(toolRadioButton, 1, 1);
            layout->addWidget(toolTipRadioButton, 2, 1);
            layout->addWidget(splashScreenRadioButton, 3, 1);
            typeGroupBox->setLayout(layout);
        }

        void ControllerWindow::createHintsGroupBox()
        {
            hintsGroupBox = new QGroupBox(tr("Hints"));

            msWindowsFixedSizeDialogCheckBox =
                    createCheckBox(tr("MS Windows fixed size dialog"));
            x11BypassWindowManagerCheckBox =
                    createCheckBox(tr("X11 bypass window manager"));
            framelessWindowCheckBox = createCheckBox(tr("Frameless window"));
            windowTitleCheckBox = createCheckBox(tr("Window title"));
            windowSystemMenuCheckBox = createCheckBox(tr("Window system menu"));
            windowMinimizeButtonCheckBox = createCheckBox(tr("Window minimize button"));
            windowMaximizeButtonCheckBox = createCheckBox(tr("Window maximize button"));
            windowContextHelpButtonCheckBox =
                    createCheckBox(tr("Window context help button"));
            windowShadeButtonCheckBox = createCheckBox(tr("Window shade button"));
            windowStaysOnTopCheckBox = createCheckBox(tr("Window stays on top"));

            QGridLayout *layout = new QGridLayout;
            layout->addWidget(msWindowsFixedSizeDialogCheckBox, 0, 0);
            layout->addWidget(x11BypassWindowManagerCheckBox, 1, 0);
            layout->addWidget(framelessWindowCheckBox, 2, 0);
            layout->addWidget(windowTitleCheckBox, 3, 0);
            layout->addWidget(windowSystemMenuCheckBox, 4, 0);
            layout->addWidget(windowMinimizeButtonCheckBox, 0, 1);
            layout->addWidget(windowMaximizeButtonCheckBox, 1, 1);
            layout->addWidget(windowContextHelpButtonCheckBox, 2, 1);
            layout->addWidget(windowShadeButtonCheckBox, 3, 1);
            layout->addWidget(windowStaysOnTopCheckBox, 4, 1);
            hintsGroupBox->setLayout(layout);
        }

        QCheckBox *ControllerWindow::createCheckBox(const QString &text)
        {
            QCheckBox *checkBox = new QCheckBox(text);
            connect(checkBox, SIGNAL(clicked()), this, SLOT(updatePreview()));
            return checkBox;
        }

        QRadioButton *ControllerWindow::createRadioButton(const QString &text)
        {
            QRadioButton *button = new QRadioButton(text);
            connect(button, SIGNAL(clicked()), this, SLOT(updatePreview()));
            return button;
        }