Пример #1
0
	void ChoosePositionPushButton::mousePressEvent(QMouseEvent *event)
	{
		QPushButton::mousePressEvent(event);

		mSearching = true;
		update();

#ifdef Q_WS_X11
		if(mMainWindow)
			mMainWindow->showMinimized();
#endif
#ifdef Q_WS_WIN
		foreach(QWidget *widget, qApp->topLevelWidgets())
			widget->setWindowOpacity(0.0f);
#endif

		QCursor newCursor(*mCrossIcon);

		emit chooseStarted();

#ifdef Q_WS_WIN
		mPreviousCursor = SetCursor(newCursor.handle());
#endif
#ifdef Q_WS_X11
		nativeEventFilteringApp->installNativeEventFilter(this);

		if(XGrabPointer(QX11Info::display(), DefaultRootWindow(QX11Info::display()), True, ButtonReleaseMask, GrabModeAsync, GrabModeAsync,
						None, newCursor.handle(), CurrentTime) != GrabSuccess)
		{
			QMessageBox::warning(this, tr("Choose a window"), tr("Unable to grab the pointer."));
			event->ignore();
		}
#endif
	}
Пример #2
0
	void ChoosePositionPushButton::mousePressEvent(QMouseEvent *event)
	{
		QPushButton::mousePressEvent(event);

		mSearching = true;
		update();

#ifdef Q_OS_UNIX
        mShownWindows.clear();

        for(QWidget *widget: qApp->topLevelWidgets())
        {
            if(mMainWindow == widget)
                continue;

            if(widget->isVisible() && !widget->windowTitle().isEmpty())
            {
                mShownWindows.append(widget);

                XUnmapWindow(QX11Info::display(), widget->winId());
            }
        }

        if(mMainWindow)
            mMainWindow->hide();
#endif
#ifdef Q_OS_WIN
        for(QWidget *widget: qApp->topLevelWidgets())
			widget->setWindowOpacity(0.0f);
#endif

		QCursor newCursor(*mCrossIcon);

		emit chooseStarted();

#ifdef Q_OS_WIN
        mPreviousCursor = SetCursor(LoadCursor(0, IDC_CROSS));
#endif
#ifdef Q_OS_UNIX
        QCoreApplication::instance()->installNativeEventFilter(this);

        if(XGrabPointer(QX11Info::display(), DefaultRootWindow(QX11Info::display()), True, ButtonReleaseMask, GrabModeAsync, GrabModeAsync,
                        None, mCrossCursor, CurrentTime) != GrabSuccess)
        {
            QMessageBox::warning(this, tr("Choose a window"), tr("Unable to grab the pointer."));
            event->ignore();
        }
#endif
    }