Exemplo n.º 1
0
void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
{
    Q_D(QWidget);
    d->aboutToDestroy();
    if (!isWindow() && parentWidget())
        parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry()));

    d->deactivateWidgetCleanup();
    if (testAttribute(Qt::WA_WState_Created)) {
        setAttribute(Qt::WA_WState_Created, false);
        QObjectList childObjects =  children();
        for (int i = 0; i < childObjects.size(); ++i) {
            QObject *obj = childObjects.at(i);
            if (obj->isWidgetType())
                static_cast<QWidget*>(obj)->destroy(destroySubWindows,
                                                     destroySubWindows);
        }
        releaseMouse();
        if (qt_pressGrab == this)
          qt_pressGrab = 0;

        if (keyboardGrb == this)
            releaseKeyboard();
        if (testAttribute(Qt::WA_ShowModal))                // just be sure we leave modal
            QApplicationPrivate::leaveModal(this);
        else if ((windowType() == Qt::Popup))
            qApp->d_func()->closePopup(this);
#ifndef QT_NO_IM
        if (d->ic) {
            delete d->ic;
            d->ic =0;
        } else {
            // release previous focus information participating with
            // preedit preservation of qic -- while we still have a winId
            QInputContext *qic = QApplicationPrivate::inputContext;
            if (qic)
                qic->widgetDestroyed(this);
        }
#endif //QT_NO_IM

        if ((windowType() == Qt::Desktop)) {
        } else {
            if (parentWidget() && parentWidget()->testAttribute(Qt::WA_WState_Created)) {
                d->hide_sys();
            }
            if (destroyWindow && isWindow()) {
                if (d->extra && d->extra->topextra && d->extra->topextra->backingStore)
                    d->extra->topextra->backingStore->windowSurface->setGeometry(QRect());
                qwsDisplay()->destroyRegion(internalWinId());
            }
        }
        QT_TRY {
            d->setWinId(0);
        } QT_CATCH (const std::bad_alloc &) {
            // swallow - destructors must not throw
        }
    }
}
Exemplo n.º 2
0
void QWidget::grabMouse() {
    if (!qt_nograb()) {
        if (mouseGrb)
            mouseGrb->releaseMouse();
        Q_ASSERT(testAttribute(Qt::WA_WState_Created));
        SetCapture(internalWinId());
        mouseGrb = this;
    }
}
Exemplo n.º 3
0
void QWidget::grabMouse(const QCursor &cursor) {
    if (!qt_nograb()) {
        if (mouseGrb)
            mouseGrb->releaseMouse();
        Q_ASSERT(testAttribute(Qt::WA_WState_Created));
        SetCapture(internalWinId());
        mouseGrbCur = new QCursor(cursor);
        SetCursor(mouseGrbCur->handle());
        mouseGrb = this;
    }
}
void ShutdownUI::showEvent(QShowEvent *event)
{
    MWindow::showEvent(event);
    
    // Set the stacking layer
    Display *display = QX11Info::display();
    Atom stackingLayerAtom = X11Wrapper::XInternAtom(display, "_MEEGO_STACKING_LAYER", False);
    if (stackingLayerAtom != None) {
        long layer = 6;
        X11Wrapper::XChangeProperty(display, internalWinId(), stackingLayerAtom, XA_CARDINAL, 32, PropModeReplace, (unsigned char*)&layer, 1);
    }
}
Exemplo n.º 5
0
void QWidget::setWindowState(Qt::WindowStates newstate)
{
    Q_D(QWidget);
    Qt::WindowStates oldstate = windowState();
    if (oldstate == newstate)
        return;

    int max = SW_SHOWNORMAL;
    int normal = SW_SHOWNOACTIVATE;

    if ((oldstate & Qt::WindowMinimized) && !(newstate & Qt::WindowMinimized))
        newstate |= Qt::WindowActive;
    if (newstate & Qt::WindowActive)
        normal = SW_SHOWNORMAL;
    if (isWindow()) {
        createWinId();
        Q_ASSERT(testAttribute(Qt::WA_WState_Created));
        // Ensure the initial size is valid, since we store it as normalGeometry below.
        if ((!testAttribute(Qt::WA_Resized) && !isVisible()))
            adjustSize();
        if (!d->topData()->normalGeometry.isValid()) {
            if (newstate & Qt::WindowMaximized && !(oldstate & Qt::WindowFullScreen))
                d->topData()->normalGeometry = geometry();
            if (newstate & Qt::WindowMinimized && !(oldstate & Qt::WindowFullScreen))
                d->topData()->normalGeometry = geometry();
        }
        if ((oldstate & Qt::WindowMaximized) != (newstate & Qt::WindowMaximized)) {
            if (!(newstate & Qt::WindowMaximized)) {
                int style = GetWindowLong(internalWinId(), GWL_STYLE) | WS_BORDER | WS_POPUP | WS_CAPTION;
                SetWindowLong(internalWinId(), GWL_STYLE, style);
                SetWindowLong(internalWinId(), GWL_EXSTYLE, GetWindowLong (internalWinId(), GWL_EXSTYLE) & ~ WS_EX_NODRAG);
            }
            if (isVisible() && newstate & Qt::WindowMaximized)
                qt_wince_maximize(this);
            if (isVisible() && !(newstate & Qt::WindowMinimized)) {
                ShowWindow(internalWinId(), (newstate & Qt::WindowMaximized) ? max : normal);
                if (!(newstate & Qt::WindowFullScreen)) {
                    QRect r = d->topData()->normalGeometry;
                    if (!(newstate & Qt::WindowMaximized) && r.width() >= 0) {
                        if (pos() != r.topLeft() || size() !=r.size()) {
                            d->topData()->normalGeometry = QRect(0,0,-1,-1);
                            setGeometry(r);
                        }
                    }
                } else {
                    d->updateFrameStrut();
                }
            }
        }
        if ((oldstate & Qt::WindowFullScreen) != (newstate & Qt::WindowFullScreen)) {
            if (newstate & Qt::WindowFullScreen) {
                if (d->topData()->normalGeometry.width() < 0 && !(oldstate & Qt::WindowMaximized))
                    d->topData()->normalGeometry = geometry();
                d->topData()->savedFlags = (Qt::WindowFlags)GetWindowLong(internalWinId(), GWL_STYLE);
                UINT style = WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_POPUP;
                if (isVisible())
                    style |= WS_VISIBLE;
                SetWindowLong(internalWinId(), GWL_STYLE, style);
                QRect r = qApp->desktop()->screenGeometry(this);
                UINT swpf = SWP_FRAMECHANGED;
                if (newstate & Qt::WindowActive)
                    swpf |= SWP_NOACTIVATE;
                qt_wince_full_screen(internalWinId(), true, swpf);
                d->updateFrameStrut();
            } else {
                UINT style = d->topData()->savedFlags;
                if (isVisible())
                    style |= WS_VISIBLE;
                SetWindowLong(internalWinId(), GWL_STYLE, style);
                UINT swpf = SWP_FRAMECHANGED | SWP_NOZORDER | SWP_NOSIZE | SWP_NOMOVE;
                if (newstate & Qt::WindowActive)
                    swpf |= SWP_NOACTIVATE;
                qt_wince_full_screen(internalWinId(), false, swpf);
                d->updateFrameStrut();

                // preserve maximized state
                if (isVisible()) {
                    ShowWindow(internalWinId(), (newstate & Qt::WindowMaximized) ? max : normal);
                    if (newstate & Qt::WindowMaximized)
                        qt_wince_maximize(this);
                }
                if (!(newstate & Qt::WindowMaximized)) {
                    QRect r = d->topData()->normalGeometry;
                    d->topData()->normalGeometry = QRect(0,0,-1,-1);
                    if (r.isValid())
                        setGeometry(r);
                }
            }
        }
        if ((oldstate & Qt::WindowMinimized) != (newstate & Qt::WindowMinimized)) {
            if (newstate & Qt::WindowMinimized)
                qt_wince_minimize(internalWinId());
            else if (newstate & Qt::WindowMaximized) {
                ShowWindow(internalWinId(), max);
                qt_wince_maximize(this);
            } else {
                ShowWindow(internalWinId(), normal);
            }
        }
    }
    data->window_state = newstate;
    QWindowStateChangeEvent e(oldstate);
    QApplication::sendEvent(this, &e);
}
Exemplo n.º 6
0
/*!
    \fn void CSizeGrip::mouseMoveEvent(QMouseEvent * event)
    Resizes the top-level widget containing this widget. The mouse
    move event is passed in the \a event parameter.
*/
void CSizeGrip::mouseMoveEvent(QMouseEvent * e)
{
    if (e->buttons() != Qt::LeftButton) {
        QWidget::mouseMoveEvent(e);
        return;
    }


    QWidget* tlw = qt_sizegrip_topLevelWidget();
    if (!gotMousePress || tlw->testAttribute(Qt::WA_WState_ConfigPending))
        return;

#ifdef Q_WS_X11
    #if QT_VERSION >= 0x050000
    if (tlw->isWindow() && X11->isSupportedByWM(ATOM(_NET_WM_MOVERESIZE))
        && tlw->isTopLevel() && !(tlw->windowFlags() & Qt::X11BypassWindowManagerHint)
        && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !qt_widget_private(tlw)->hasHeightForWidth())
        return;
#endif
#endif
#ifdef Q_WS_WIN
    #if QT_VERSION >= 0x050000
    if (tlw->isWindow() && GetSystemMenu(tlw->winId(), FALSE) != 0 && internalWinId()
        && !tlw->testAttribute(Qt::WA_DontShowOnScreen) && !qt_widget_private(tlw)->hasHeightForWidth()) {
        MSG msg;
        while(PeekMessage(&msg, winId(), WM_MOUSEMOVE, WM_MOUSEMOVE, PM_REMOVE));
        return;
    }
#endif
#endif

    QPoint np(e->globalPos());

    // Don't extend beyond the available geometry; bound to dyMax and dxMax.
    QSize ns;
    if (atBottom())
        ns.rheight() = r.height() + qMin(np.y() - p.y(), dyMax);
    else
        ns.rheight() = r.height() - qMax(np.y() - p.y(), dyMax);

    if (atLeft())
        ns.rwidth() = r.width() - qMax(np.x() - p.x(), dxMax);
    else
        ns.rwidth() = r.width() + qMin(np.x() - p.x(), dxMax);

    ns = QLayout::closestAcceptableSize(tlw, ns);

    QPoint p;
    QRect nr(p, ns);
    if (atBottom()) {
        if (atLeft())
            nr.moveTopRight(r.topRight());
        else
            nr.moveTopLeft(r.topLeft());
    } else {
        if (atLeft())
            nr.moveBottomRight(r.bottomRight());
        else
            nr.moveBottomLeft(r.bottomLeft());
    }

    ((CPObject*)tlw)->changeGeometrySize(nr.x(),nr.y(),nr.width(),nr.height());
}