C++ QDockWidget::windowTitle方法代码示例

void KoDockWidgetTitleBar::paintEvent(QPaintEvent*)
{
    QStylePainter p(this);

    QDockWidget *q = qobject_cast<QDockWidget*>(parentWidget());

    int fw = q->isFloating() ? q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, 0, q) : 0;
    int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, 0, q);

    QStyleOptionDockWidgetV2 titleOpt;
    titleOpt.initFrom(q);

    QSize collapseButtonSize(0,0);
    if (d->collapsable) {
        collapseButtonSize = d->collapseButton->size();
    }

    QSize lockButtonSize(0,0);
    if (d->lockable) {
        lockButtonSize = d->lockButton->size();
    }

    titleOpt.rect = QRect(QPoint(fw + mw + collapseButtonSize.width() + lockButtonSize.width(), 0),
                          QSize(geometry().width() - (fw * 2) -  mw - collapseButtonSize.width() - lockButtonSize.width(), geometry().height()));
    titleOpt.title = q->windowTitle();
    titleOpt.closable = hasFeature(q, QDockWidget::DockWidgetClosable);
    titleOpt.floatable = hasFeature(q, QDockWidget::DockWidgetFloatable);
    p.drawControl(QStyle::CE_DockWidgetTitle, titleOpt);
}

void MainWindow::_addDockWidgets()
{
	if(!_updatePending)
		return ;
	
	for(size_t ii = 0 ; ii < _dockWidgets.size() ; ii++)
	{
		QWidget* widget = _dockWidgets[ii] ;
		Q_ASSERT(widget) ;
		if (widget->parent() != 0)
			return;
		QDockWidget* dockWidget = qobject_cast<QDockWidget*>(widget);
		if(!dockWidget) {
			dockWidget = new QDockWidget(this);
			dockWidget->setWidget(widget);
		}
		Qt::DockWidgetArea area = Qt::LeftDockWidgetArea; // = 0x1
		// area values are 0x1, 0x2, 0x4, 0x8
		while(!dockWidget->isAreaAllowed(area) && area <= 0x8)
			area=(Qt::DockWidgetArea)((int)area<<1);
		if (!(area&Qt::AllDockWidgetAreas)) {
			qDebug("%s",tr("No usable DockArea found for %1, using left one.").arg(
					dockWidget->windowTitle()).toAscii().constData());
			area = Qt::LeftDockWidgetArea;
		}
		QMainWindow::addDockWidget(area, dockWidget);
		Q_ASSERT(widget->parent() != 0);
		Q_ASSERT(dockWidget->parent() != 0);
	}
	_updatePending = false ;

}

TitleBar::TitleBar(QWidget *parent)
	: QWidget(parent)
 ,bpress(false) ,but_press(false)
{
        //titleTxt = title;
    if(parent)
    {
        QDockWidget *w = static_cast<QDockWidget*>(parent);
        titleTxt = w->windowTitle();
    }
	create_pixmap();
}

void MainWindow::createDockWindows()
{
    m_wInputMonitor = new FrameMonitor(this);
    m_wInputMonitorDock = new QDockWidget(tr("Input monitor"), this);
    m_wInputMonitorDock->setWidget(m_wInputMonitor);
    m_wInputMonitorDock->setObjectName("inputMonitor");
    addDockWidget(Qt::TopDockWidgetArea, m_wInputMonitorDock);
    
    m_wCurveMonitor = new FrameMonitor(this);
    m_wCurveMonitorDock = new QDockWidget(tr("Curve monitor"), this);
    m_wCurveMonitorDock->setWidget(m_wCurveMonitor);
    m_wCurveMonitorDock->setObjectName("curveMonitor");
    addDockWidget(Qt::TopDockWidgetArea, m_wCurveMonitorDock);
    
    m_wRenderPreview = new RenderPreview(m_project, this);
    m_wRenderPreviewDock = new QDockWidget(tr("Render preview"), this);
    m_wRenderPreviewDock->setWidget(m_wRenderPreview);
    m_wRenderPreviewDock->setObjectName("renderPreview");
    addDockWidget(Qt::TopDockWidgetArea, m_wRenderPreviewDock);
    //TODO: replace by :
    // ui->menuView->addAction(dock->toggleViewAction());
    // http://ariya.ofilabs.com/2007/04/custom-toggle-action-for-qdockwidget.html
    
    // Fill the view menu that allows (de)activating widgets
    QObjectList windowChildren = children();
    QDockWidget *w;
    for (int i = 0; i < windowChildren.size(); i++) {
        if ((w = dynamic_cast<QDockWidget*>(windowChildren.at(i))) != NULL) {
            qDebug() << "Adding " << w->windowTitle() << " to the menu's widget list";
            
            QAction *a = new QAction("&" + w->objectName(), this);
            a->setCheckable(true);
            connect(a, SIGNAL(toggled(bool)), w, SLOT(setVisible(bool)));
            // This does not work since it is also emitted e.g. when the window is minimized
            // (with «Show Desktop» on KDE4), therefore an event filter is required. (below.)
            // Thanks ArGGu^^ for the tip!
            connect(w, SIGNAL(visibilityChanged(bool)), a, SLOT(setChecked(bool)));
            //a->setChecked(true);
            
#if QT_VERSION <= QT_VERSION_CHECK(4, 2, 0)
            // To uncheck the menu entry when the widget is closed via the (x)
            w->installEventFilter(this);
#endif
            
            ui->menuView->addAction(a);
            m_widgetActions << a;
            
        }
    }
}

QSize KoDockWidgetTitleBar::sizeHint() const
{
    QDockWidget *q = qobject_cast<QDockWidget*>(parentWidget());

    int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, 0, q);
    int fw = q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, 0, q);

    // get size of buttons...
    QSize closeSize(0, 0);
    if (d->closeButton && d->closeButton->isVisible()) {
        closeSize = d->closeButton->sizeHint();
    }
    QSize floatSize(0, 0);
    if (d->floatButton && d->floatButton->isVisible()) {
        floatSize = d->floatButton->sizeHint();
    }
    QSize hideSize(0, 0);
    if (d->collapseButton && d->collapseButton->isVisible()) {
        hideSize = d->collapseButton->sizeHint();
    }

    int buttonHeight = qMax(qMax(closeSize.height(), floatSize.height()), hideSize.height()) + 2;
    int buttonWidth = closeSize.width() + floatSize.width() + hideSize.width();

    int height = buttonHeight;
    if (d->textVisibilityMode == FullTextAlwaysVisible) {
        // get font size
        QFontMetrics titleFontMetrics = q->fontMetrics();
        int fontHeight = titleFontMetrics.lineSpacing() + 2 * mw;

        height = qMax(height, fontHeight);
    }

    /*
     * Calculate the width of title and add to the total width of the docker window when collapsed.
     */
    const int titleWidth =
        (d->textVisibilityMode == FullTextAlwaysVisible) ? (q->fontMetrics().width(q->windowTitle()) + 2*mw) :
                                                           0;

    if (d->preCollapsedWidth > 0) {
        return QSize(d->preCollapsedWidth, height);
    }
    else {
        return QSize(buttonWidth /*+ height*/ + 2*mw + 2*fw + titleWidth, height);
    }
}

MainWindow::MainWindow(QString projectPath, QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow),
    m_progressDialog(NULL),
    m_renderProgressDialog(NULL),
    m_flowExaminer(NULL),
    m_cs(this)
{
    ui->setupUi(this);

    restoreGeometry(m_settings.value("geometry").toByteArray());
    restoreState(m_settings.value("windowState").toByteArray());

    m_project = new Project_sV();

    m_wCanvas = new Canvas(m_project, this);
    setCentralWidget(m_wCanvas);


    m_wInputMonitor = new FrameMonitor(this);
    m_wInputMonitorDock = new QDockWidget(tr("Input monitor"), this);
    m_wInputMonitorDock->setWidget(m_wInputMonitor);
    m_wInputMonitorDock->setObjectName("inputMonitor");
    addDockWidget(Qt::TopDockWidgetArea, m_wInputMonitorDock);

    m_wCurveMonitor = new FrameMonitor(this);
    m_wCurveMonitorDock = new QDockWidget(tr("Curve monitor"), this);
    m_wCurveMonitorDock->setWidget(m_wCurveMonitor);
    m_wCurveMonitorDock->setObjectName("curveMonitor");
    addDockWidget(Qt::TopDockWidgetArea, m_wCurveMonitorDock);

    m_wRenderPreview = new RenderPreview(m_project, this);
    m_wRenderPreviewDock = new QDockWidget(tr("Render preview"), this);
    m_wRenderPreviewDock->setWidget(m_wRenderPreview);
    m_wRenderPreviewDock->setObjectName("renderPreview");
    addDockWidget(Qt::TopDockWidgetArea, m_wRenderPreviewDock);

    // Fill the view menu that allows (de)activating widgets
    QObjectList windowChildren = children();
    QDockWidget *w;
    for (int i = 0; i < windowChildren.size(); i++) {
        if ((w = dynamic_cast<QDockWidget*>(windowChildren.at(i))) != NULL) {
            qDebug() << "Adding " << w->windowTitle() << " to the menu's widget list";

            QAction *a = new QAction("&" + w->objectName(), this);
            a->setCheckable(true);
            bool b = true;
            b &= connect(a, SIGNAL(toggled(bool)), w, SLOT(setVisible(bool)));
            // This does not work since it is also emitted e.g. when the window is minimized
            // (with «Show Desktop» on KDE4), therefore an event filter is required. (below.)
            // Thanks ArGGu^^ for the tip!
//            b &= connect(w, SIGNAL(visibilityChanged(bool)), a, SLOT(setChecked(bool)));
            Q_ASSERT(b);
            a->setChecked(true);

            // To uncheck the menu entry when the widget is closed via the (x)
            w->installEventFilter(this);

            ui->menuView->addAction(a);
            m_widgetActions << a;

        }
    }