qwindowsxpstyle.cpp

奇趣公司比较新的qt/emd版本

            stateId = TS_NORMAL;
        break;

    case PE_IndicatorArrowDown:
        name = QLatin1String("TOOLBAR");
        partId = TP_SPLITBUTTONDROPDOWN;
        if (!(flags & State_Enabled))
            stateId = TS_DISABLED;
        else
            stateId = TS_NORMAL;
        break;

    case PE_IndicatorCheckBox:
        name = QLatin1String("BUTTON");
        partId = BP_CHECKBOX;
        if (!(flags & State_Enabled))
            stateId = CBS_UNCHECKEDDISABLED;
        else if (flags & State_Sunken)
            stateId = CBS_UNCHECKEDPRESSED;
        else if (flags & State_MouseOver)
            stateId = CBS_UNCHECKEDHOT;
        else
            stateId = CBS_UNCHECKEDNORMAL;

        if (flags & State_On)
            stateId += CBS_CHECKEDNORMAL-1;
        else if (flags & State_NoChange)
            stateId += CBS_MIXEDNORMAL-1;

        break;

    case PE_IndicatorRadioButton:
        name = QLatin1String("BUTTON");
        partId = BP_RADIOBUTTON;
        if (!(flags & State_Enabled))
            stateId = RBS_UNCHECKEDDISABLED;
        else if (flags & State_Sunken)
            stateId = RBS_UNCHECKEDPRESSED;
        else if (flags & State_MouseOver)
            stateId = RBS_UNCHECKEDHOT;
        else
            stateId = RBS_UNCHECKEDNORMAL;

        if (flags & State_On)
            stateId += RBS_CHECKEDNORMAL-1;
        break;

    case PE_IndicatorDockWidgetResizeHandle:
        return;

case PE_Frame:
    {
        if (flags & State_Raised)
            return;
        name = QLatin1String("LISTVIEW");
        partId = LVP_LISTGROUP;
        XPThemeData theme(0, 0, name, partId, 0);

        if (!(flags & State_Enabled))
            stateId = ETS_DISABLED;
        else
            stateId = ETS_NORMAL;
        int fillType;
        if (pGetThemeEnumValue(theme.handle(), partId, stateId, TMT_BGTYPE, &fillType) == S_OK) {
            if (fillType == BT_BORDERFILL) {
                int borderSize = 1;
                COLORREF bcRef;
                pGetThemeColor(theme.handle(), partId, stateId, TMT_BORDERCOLOR, &bcRef);
                QColor bordercolor(qRgb(GetRValue(bcRef), GetGValue(bcRef), GetBValue(bcRef)));
                pGetThemeInt(theme.handle(), partId, stateId, TMT_BORDERCOLOR, &borderSize);
                QPen oldPen = p->pen();
                p->setPen(QPen(bordercolor, 1));
                p->drawRect(option->rect.adjusted(0, 0, -1, -1));
                p->setPen(oldPen);
                return;
            } else if (fillType == BT_NONE) {
                return;
            } else {
                break;
            }
        }
    }
    case PE_FrameLineEdit:
        if (qstyleoption_cast<const QStyleOptionFrame *>(option))
        {
            name = QLatin1String("EDIT");
            partId = EP_EDITTEXT;
            noContent = true;
            if (!(flags & State_Enabled))
                stateId = ETS_DISABLED;
            else
                stateId = ETS_NORMAL;
        }
        break;

    case PE_PanelLineEdit:
        if (const QStyleOptionFrame *panel = qstyleoption_cast<const QStyleOptionFrame *>(option)) {
            name = QLatin1String("EDIT");
            partId = EP_EDITTEXT;
            noBorder = true;
            QBrush bg;
            bool usePalette = false;
            bool isEnabled = flags & State_Enabled;
            uint resolve_mask = panel->palette.resolve();

            if (resolve_mask & (1 << QPalette::Base)) {
                // Base color is set for this widget, so use it
                bg = panel->palette.brush(QPalette::Base);
                usePalette = true;
            }

            stateId = isEnabled ? ETS_NORMAL : ETS_DISABLED;

            if (usePalette) {
                p->fillRect(panel->rect, bg);
            } else {
                XPThemeData theme(0, p, name, partId, stateId, rect);
                if (!theme.isValid()) {
                    QWindowsStyle::drawPrimitive(pe, option, p, widget);
                    return;
                }
                int bgType;
                pGetThemeEnumValue( theme.handle(),
                                    partId,
                                    stateId,
                                    TMT_BGTYPE,
                                    &bgType);
                if( bgType == BT_IMAGEFILE ) {
                    theme.mirrorHorizontally = hMirrored;
                    theme.mirrorVertically = vMirrored;
                    theme.noBorder = noBorder;
                    theme.noContent = noContent;
                    theme.rotate = rotate;
                    d->drawBackground(theme);
                } else {
                    QBrush fillColor = option->palette.brush(QPalette::Base);

                    if (!isEnabled) {
                        PROPERTYORIGIN origin = PO_NOTFOUND;
                        pGetThemePropertyOrigin(theme.handle(), theme.partId, theme.stateId, TMT_FILLCOLOR, &origin);
                        // Use only if the fill property comes from our part
                        if ((origin == PO_PART || origin == PO_STATE)) {
                            COLORREF bgRef;
                            pGetThemeColor(theme.handle(), partId, stateId, TMT_FILLCOLOR, &bgRef);
                            fillColor = QBrush(qRgb(GetRValue(bgRef), GetGValue(bgRef), GetBValue(bgRef)));
                        }
                    }
                    p->fillRect(option->rect, fillColor);
                }
            }

            if (panel->lineWidth > 0)
                drawPrimitive(PE_FrameLineEdit, panel, p, widget);
            return;
        }
        break;

    case PE_FrameTabWidget:
        if (const QStyleOptionTabWidgetFrame *tab = qstyleoption_cast<const QStyleOptionTabWidgetFrame *>(option))
        {
            name = QLatin1String("TAB");
            partId = TABP_PANE;

            if (widget) {
                bool useGradient = true;
                const int maxlength = 256;
                WCHAR themeFileName[maxlength];
                WCHAR themeColor[maxlength];
                // Due to a a scaling issue with the XP Silver theme, tab gradients are not used with it
                if (pGetCurrentThemeName(themeFileName, maxlength, themeColor, maxlength, NULL, 0) == S_OK) {
                    WCHAR* offset;
                    if ((offset = wcsrchr(themeFileName, QChar(QLatin1Char('\\')).unicode())) != NULL) {
                        offset++;
                        if (!lstrcmp(offset, L"Luna.msstyles") && !lstrcmp(offset, L"Metallic")) {
                            useGradient = false;
                        }
                    }
                }
                // This should work, but currently there's an error in the ::drawBackgroundDirectly()
                // code, when using the HDC directly..
                if (useGradient) {
                    QStyleOptionTabWidgetFrame frameOpt = *tab;
                    frameOpt.rect = widget->rect();
                    QRect contentsRect = subElementRect(SE_TabWidgetTabContents, &frameOpt, widget);
                    QRegion reg = option->rect;
                    reg -= contentsRect;
                    p->setClipRegion(reg);
                    XPThemeData theme(widget, p, name, partId, stateId, rect);
                    theme.mirrorHorizontally = hMirrored;
                    theme.mirrorVertically = vMirrored;
                    d->drawBackground(theme);
                    p->setClipRect(contentsRect);
                    partId = TABP_BODY;
                }
            }
            switch (tab->shape) {
            case QTabBar::RoundedNorth:
            case QTabBar::TriangularNorth:
                break;
            case QTabBar::RoundedSouth:
            case QTabBar::TriangularSouth:
                vMirrored = true;
                break;
            case QTabBar::RoundedEast:
            case QTabBar::TriangularEast:
                rotate = 90;
                break;
            case QTabBar::RoundedWest:
            case QTabBar::TriangularWest:
                rotate = 90;
                hMirrored = true;
                break;
            default:
                break;
            }
        }
        break;

    case PE_FrameMenu:
        p->save();
        p->setPen(option->palette.dark().color());
        p->drawRect(rect.adjusted(0, 0, -1, -1));
        p->restore();
        return;

    case PE_PanelMenuBar:
        break;

 case PE_FrameDockWidget:
     if (const QStyleOptionFrame *frm = qstyleoption_cast<const QStyleOptionFrame *>(option))
        {
            name = QLatin1String("WINDOW");
            if (flags & State_Active)
                stateId = FS_ACTIVE;
            else
                stateId = FS_INACTIVE;

            int fwidth = pixelMetric(PM_DockWidgetFrameWidth, frm, widget);

            XPThemeData theme(widget, p, name, 0, stateId);
            if (!theme.isValid())
                break;
            theme.rect = QRect(frm->rect.x(), frm->rect.y(), frm->rect.x()+fwidth, frm->rect.height()-fwidth);           theme.partId = WP_SMALLFRAMELEFT;
            d->drawBackground(theme);
            theme.rect = QRect(frm->rect.width()-fwidth, frm->rect.y(), fwidth, frm->rect.height()-fwidth);
            theme.partId = WP_SMALLFRAMERIGHT;
            d->drawBackground(theme);
            theme.rect = QRect(frm->rect.x(), frm->rect.bottom()-fwidth+1, frm->rect.width(), fwidth);
            theme.partId = WP_SMALLFRAMEBOTTOM;
            d->drawBackground(theme);
            return;
        }
        break;

    case PE_IndicatorHeaderArrow:
        {
#if 0 // XP theme engine doesn't know about this :(
            name = QLatin1String("HEADER");
            partId = HP_HEADERSORTARROW;
            if (flags & State_Down)
                stateId = HSAS_SORTEDDOWN;
            else
                stateId = HSAS_SORTEDUP;
#else
            if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(option)) {
                p->save();
                p->setPen(option->palette.dark().color());
                p->translate(0, option->rect.height()/2 - 4);
                if (header->sortIndicator & QStyleOptionHeader::SortUp) { // invert logic to follow Windows style guide
                    p->drawLine(option->rect.x(), option->rect.y(), option->rect.x()+8, option->rect.y());
                    p->drawLine(option->rect.x()+1, option->rect.y()+1, option->rect.x()+7, option->rect.y()+1);
                    p->drawLine(option->rect.x()+2, option->rect.y()+2, option->rect.x()+6, option->rect.y()+2);
                    p->drawLine(option->rect.x()+3, option->rect.y()+3, option->rect.x()+5, option->rect.y()+3);
                    p->drawPoint(option->rect.x()+4, option->rect.y()+4);
                } else if(header->sortIndicator & QStyleOptionHeader::SortDown) {
                    p->drawLine(option->rect.x(), option->rect.y()+4, option->rect.x()+8, option->rect.y()+4);
                    p->drawLine(option->rect.x()+1, option->rect.y()+3, option->rect.x()+7, option->rect.y()+3);
                    p->drawLine(option->rect.x()+2, option->rect.y()+2, option->rect.x()+6, option->rect.y()+2);
                    p->drawLine(option->rect.x()+3, option->rect.y()+1, option->rect.x()+5, option->rect.y()+1);
                    p->drawPoint(option->rect.x()+4, option->rect.y());
                }
                p->restore();
                return;
            }
#endif
        }
        break;

    case PE_FrameStatusBar:
        name = QLatin1String("STATUS");
        partId = SP_PANE;
        break;

    case PE_FrameGroupBox:
        name = QLatin1String("BUTTON");
        partId = BP_GROUPBOX;
        if (!(flags & State_Enabled))
            stateId = GBS_DISABLED;
        else
            stateId = GBS_NORMAL;
        if (const QStyleOptionFrame *frame = qstyleoption_cast<const QStyleOptionFrame *>(option)) {
            const QStyleOptionFrameV2 *frame2 = qstyleoption_cast<const QStyleOptionFrameV2 *>(option);
            if (frame2->features & QStyleOptionFrameV2::Flat) {
                // Windows XP does not have a theme part for a flat GroupBox, paint it with the windows style
                QRect fr = frame->rect;
                QPoint p1(fr.x(), fr.y() + 1);
                QPoint p2(fr.x() + fr.width(), p1.y() + 1);
                rect = QRect(p1, p2);
                name = QLatin1String("");
            }
        }
        break;

    case PE_IndicatorProgressChunk:
        {
        Qt::Orientation orient = Qt::Horizontal;
        bool inverted = false;
        if (const QStyleOptionProgressBarV2 *pb2 = qstyleoption_cast<const QStyleOptionProgressBarV2 *>(option)) {
            orient = pb2->orientation;
            if (pb2->invertedAppearance)
                inverted = true;
        }
        if (orient == Qt::Horizontal) {
            partId = PP_CHUNK;
            rect = QRect(option->rect.x(), option->rect.y(), option->rect.width(), option->rect.height() );
            if (inverted && option->direction == Qt::LeftToRight)
                hMirrored = true;
        } else {
            partId = PP_CHUNKVERT;
            rect = QRect(option->rect.x(), option->rect.y(), option->rect.width(), option->rect.height());
        }
        name = QLatin1String(