qwindowsvistastyle.cpp

奇趣公司比较新的qt/emd版本

                    QRect(textRect.topRight(), QPoint(menuitem->rect.right(), textRect.bottom())));
                    painter->drawText(vShortcutRect, text_flags, s.mid(t + 1));
                    s = s.left(t);
                }
                QFont font = menuitem->font;
                if (menuitem->menuItemType == QStyleOptionMenuItem::DefaultItem)
                    font.setBold(true);
                painter->setFont(font);
                painter->setPen(discol);
                painter->drawText(vTextRect, text_flags, s.left(t));
                painter->restore();
            }
            if (menuitem->menuItemType == QStyleOptionMenuItem::SubMenu) {// draw sub menu arrow
                int dim = (h - 2 * windowsItemFrame) / 2;
                PrimitiveElement arrow;
                arrow = (option->direction == Qt::RightToLeft) ? PE_IndicatorArrowLeft : PE_IndicatorArrowRight;
                xpos = x + w - windowsArrowHMargin - windowsItemFrame - dim;
                QRect  vSubMenuRect = visualRect(option->direction, menuitem->rect, QRect(xpos, y + h / 2 - dim / 2, dim, dim));
                QStyleOptionMenuItem newMI = *menuitem;
                newMI.rect = vSubMenuRect;
                newMI.state = dis ? State_None : State_Enabled;
                drawPrimitive(arrow, &newMI, painter, widget);
            }
        }
        break;
#endif // QT_NO_MENU
    case CE_HeaderSection:
        if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(option)) {
            name = QLatin1String("HEADER");
            partId = HP_HEADERITEM;
            if (flags & State_Sunken)
                stateId = HIS_PRESSED;
            else if (flags & State_MouseOver)
                stateId = HIS_HOT;
            else
                stateId = HIS_NORMAL;

            if (header->sortIndicator != QStyleOptionHeader::None)
                stateId += 3;

            XPThemeData theme(widget, painter, name, partId, stateId, option->rect);
            d->drawBackground(theme);
        }
        break;
    case CE_MenuBarEmptyArea:
        {
            int stateId = MBI_NORMAL;
            if (!(state & State_Enabled))
                stateId = MBI_DISABLED;
            XPThemeData theme(widget, painter, QLatin1String("MENU"), MENU_BARBACKGROUND, stateId, option->rect);
            d->drawBackground(theme);
        }
        break;
    case CE_ToolBar:
        if (const QStyleOptionToolBar *toolbar = qstyleoption_cast<const QStyleOptionToolBar *>(option)) {
            QPalette pal = option->palette;
            pal.setColor(QPalette::Dark, option->palette.background().color().darker(130));
            QStyleOptionToolBar copyOpt = *toolbar;
            copyOpt.palette = pal;
            QWindowsStyle::drawControl(element, &copyOpt, painter, widget);
        }
        break;
    case CE_DockWidgetTitle:
        if (const QDockWidget *dockWidget = qobject_cast<const QDockWidget *>(widget)) {
            QRect rect = option->rect;
            if (dockWidget->isFloating()) {
                QWindowsXPStyle::drawControl(element, option, painter, widget);
                break; //otherwise fall through
            }

            if (const QStyleOptionDockWidget *dwOpt = qstyleoption_cast<const QStyleOptionDockWidget *>(option)) {

            const QStyleOptionDockWidgetV2 *v2
                = qstyleoption_cast<const QStyleOptionDockWidgetV2*>(dwOpt);
            bool verticalTitleBar = v2 == 0 ? false : v2->verticalTitleBar;

            if (verticalTitleBar) {
                QSize s = rect.size();
                s.transpose();
                rect.setSize(s);

                painter->translate(rect.left() - 1, rect.top() + rect.width());
                painter->rotate(-90);
                painter->translate(-rect.left() + 1, -rect.top());
            }

            painter->setBrush(option->palette.background().color().darker(110));
            painter->setPen(option->palette.background().color().darker(130));
            painter->drawRect(rect.adjusted(0, 1, -1, -3));

            int buttonMargin = 4;
            int mw = pixelMetric(QStyle::PM_DockWidgetTitleMargin, dwOpt, widget);
            int fw = pixelMetric(PM_DockWidgetFrameWidth, dwOpt, widget);
            const QDockWidget *dw = qobject_cast<const QDockWidget *>(widget);
            bool isFloating = dw != 0 && dw->isFloating();

            QRect r = option->rect.adjusted(0, 2, -1, -3);
            QRect titleRect = r;

            if (dwOpt->closable) {
                QPixmap pm = standardIcon(QStyle::SP_TitleBarCloseButton, dwOpt, widget).pixmap(10, 10);
                titleRect.adjust(0, 0, -pm.size().width() - mw - buttonMargin, 0);
            }

            if (dwOpt->floatable) {
                QPixmap pm = standardIcon(QStyle::SP_TitleBarMaxButton, dwOpt, widget).pixmap(10, 10);
                titleRect.adjust(0, 0, -pm.size().width() - mw - buttonMargin, 0);
            }

            if (isFloating) {
                titleRect.adjust(0, -fw, 0, 0);
                if (widget != 0 && widget->windowIcon().cacheKey() != qApp->windowIcon().cacheKey())
                    titleRect.adjust(titleRect.height() + mw, 0, 0, 0);
            } else {
                titleRect.adjust(mw, 0, 0, 0);
                if (!dwOpt->floatable && !dwOpt->closable)
                    titleRect.adjust(0, 0, -mw, 0);
            }
            if (!verticalTitleBar)
                titleRect = visualRect(dwOpt->direction, r, titleRect);

            if (!dwOpt->title.isEmpty()) {
                QString titleText = painter->fontMetrics().elidedText(dwOpt->title, Qt::ElideRight, 
                                                                      verticalTitleBar ? titleRect.height() : titleRect.width());
                const int indent = painter->fontMetrics().descent();
                drawItemText(painter, rect.adjusted(indent + 1, 1, -indent - 1, -1),
                                Qt::AlignLeft | Qt::AlignVCenter, dwOpt->palette,
                                dwOpt->state & State_Enabled, titleText,
                                QPalette::WindowText);
                }
            }
            break;
        }
    default:
        QWindowsXPStyle::drawControl(element, option, painter, widget);
        break;
    }
}

/*!
  \reimp

  see drawPrimitive for comments on the animation support

 */
void QWindowsVistaStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option,
                                         QPainter *painter, const QWidget *widget) const
{
    QWindowsVistaStylePrivate *d = const_cast<QWindowsVistaStylePrivate*>(d_func());
    if (!QWindowsVistaStylePrivate::useVista()) {
        QWindowsStyle::drawComplexControl(control, option, painter, widget);
        return;
    }

    State state = option->state;
    SubControls sub = option->subControls;
    QRect r = option->rect;

    int partId = 0;
    int stateId = 0;

    State flags = option->state;
    if (widget && widget->testAttribute(Qt::WA_UnderMouse) && widget->isActiveWindow())
        flags |= State_MouseOver;

    if (d->transitionsEnabled() && widget) {
        if ((qobject_cast<const QScrollBar *>(widget) && control == CC_ScrollBar)||
            (qobject_cast<const QAbstractSpinBox*>(widget) && control == CC_SpinBox)    ||
            (qobject_cast<const QComboBox*>(widget) && control == CC_ComboBox))
        {
            QWidget *w = const_cast<QWidget *> (widget);

            int oldState = w->property("_q_stylestate").toInt();
            int oldActiveControls = w->property("_q_stylecontrols").toInt();
            QRect oldRect = w->property("_q_stylerect").toRect();
            w->setProperty("_q_stylestate", (int)option->state);
            w->setProperty("_q_stylecontrols", (int)option->activeSubControls);
            w->setProperty("_q_stylerect", w->rect());

            bool doTransition = ((state & State_Sunken)     != (oldState & State_Sunken)    ||
                                 (state & State_On)         != (oldState & State_On)        ||
                                 (state & State_MouseOver)  != (oldState & State_MouseOver) ||
                                  oldActiveControls            != option->activeSubControls);


            if (qstyleoption_cast<const QStyleOptionSlider *>(option)) {
                QRect oldSliderPos = w->property("_q_stylesliderpos").toRect();
                QRect currentPos = subControlRect(CC_ScrollBar, option, SC_ScrollBarSlider, widget);
                w->setProperty("_q_stylesliderpos", currentPos);
                if (oldSliderPos != currentPos) {
                    doTransition = false;
                    d->stopAnimation(widget);
                }
            } else if (control == CC_SpinBox) {
                //spinboxes have a transition when focus changes
                if (!doTransition)
                    doTransition = (state & State_HasFocus) != (oldState & State_HasFocus);
            }

            if (oldRect != option->rect) {
                doTransition = false;
                d->stopAnimation(widget);
            }

            if (doTransition) {
                QImage startImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied);
                QImage endImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied);
                Animation *anim = d->widgetAnimation(widget);
                Transition *t = new Transition;
                t->setWidget(w);
                if (!anim) {
                    if (const QStyleOptionComboBox *combo = qstyleoption_cast<const QStyleOptionComboBox*>(option)) {
                        //Combo boxes are special cased to avoid cleartype issues
                        startImage.fill(0);
                        QPainter startPainter(&startImage);
                        QStyleOptionComboBox startCombo = *combo;
                        startCombo.state = (QStyle::State)oldState;
                        startCombo.activeSubControls = (QStyle::SubControl)oldActiveControls;
                        drawComplexControl(control, &startCombo, &startPainter, 0 /* Intentional */);
                        t->setStartImage(startImage);
                    } else if (const QStyleOptionSlider *slider = qstyleoption_cast<const QStyleOptionSlider*>(option)) {
                        //This is a workaround for the direct3d engine as it currently has some issues with grabWindow
                        startImage.fill(0);
                        QPainter startPainter(&startImage);
                        QStyleOptionSlider startSlider = *slider;
                        startSlider.state = (QStyle::State)oldState;
                        startSlider.activeSubControls = (QStyle::SubControl)oldActiveControls;
                        drawComplexControl(control, &startSlider, &startPainter, 0 /* Intentional */);
                        t->setStartImage(startImage);
                    } else {
                        t->setStartImage(QPixmap::grabWindow(widget->winId(), 0, 0 , option->rect.width(), option->rect.height()).toImage());
                    }
                } else {
                    startImage.fill(0);
                    QPainter startPainter(&startImage);
                    anim->paint(&startPainter, option);
                    t->setStartImage(startImage);
                }
                d->startAnimation(t);
                endImage.fill(0);
                QPainter endPainter(&endImage);
                drawComplexControl(control, option, &endPainter, 0 /* Intentional */);
                t->setEndImage(endImage);
                t->setStartTime(QTime::currentTime());

                if (option->state & State_MouseOver || option->state & State_Sunken)
                    t->setDuration(150);
                else
                    t->setDuration(500);
            }

            if (Animation *anim = d->widgetAnimation(widget)) {
                anim->paint(painter, option);
                return;
            }

        }
    }

    switch (control) {
    case CC_ComboBox:
        if (const QStyleOptionComboBox *cmb = qstyleoption_cast<const QStyleOptionComboBox *>(option))
        {
            if (cmb->editable) {
                if (sub & SC_ComboBoxEditField) {
                    partId = EP_EDITBORDER_NOSCROLL;
                    if (!(flags & State_Enabled))
                        stateId = ETS_DISABLED;
                    else if (flags & State_MouseOver)
                        stateId = ETS_HOT;
                    else if (flags & State_HasFocus)
                        stateId = ETS_FOCUSED;
                    else
                        stateId = ETS_NORMAL;

                    XPThemeData theme(widget, painter, QLatin1String("EDIT"), partId, stateId, r);

                    d->drawBackground(theme);
                }
                if (sub & SC_ComboBoxArrow) {
                    QRect subRect = subControlRect(CC_ComboBox, option, SC_ComboBoxArrow, widget);
                    XPThemeData theme(widget, painter, QLatin1String("COMBOBOX"));
                    theme.rect = subControlRect(CC_ComboBox, option, SC_ComboBoxArrow, widget);
                    partId = option->direction == Qt::RightToLeft ? CP_DROPDOWNBU