qcommonstyle.cpp

奇趣公司比较新的qt/emd版本

            //        p->drawPolygon(a);
            if (opt->state & State_On) {
                p->setPen(Qt::NoPen);
                p->setBrush(opt->palette.text());
                p->drawRect(x + 5, y + 4, 2, 4);
                p->drawRect(x + 4, y + 5, 4, 2);
            }
#undef INTARRLEN
        }
        break;
    case PE_Q3CheckListIndicator:
        if (const QStyleOptionQ3ListView *lv = qstyleoption_cast<const QStyleOptionQ3ListView *>(opt)) {
            if(lv->items.isEmpty())
                break;
            QStyleOptionQ3ListViewItem item = lv->items.at(0);
            int x = lv->rect.x(),
                y = lv->rect.y(),
                w = lv->rect.width(),
                h = lv->rect.width(),
             marg = lv->itemMargin;

            if (lv->state & State_Enabled)
                p->setPen(QPen(lv->palette.text().color(), 2));
            else
                p->setPen(QPen(lv->viewportPalette.color(QPalette::Disabled, QPalette::Text), 2));
            if (opt->state & State_Selected && !lv->rootIsDecorated
                && !(item.features & QStyleOptionQ3ListViewItem::ParentControl)) {
                p->fillRect(0, 0, x + marg + w + 4, item.height,
                            lv->palette.brush(QPalette::Highlight));
                if (item.state & State_Enabled)
                    p->setPen(QPen(lv->palette.highlightedText().color(), 2));
            }

            if (lv->state & State_NoChange)
                p->setBrush(lv->palette.brush(QPalette::Button));
            p->drawRect(x + marg, y + 2, w - 4, h - 4);
            /////////////////////
                ++x;
                ++y;
                if (lv->state & State_On || lv->state & State_NoChange) {
                    QLineF lines[7];
                    int i,
                        xx = x + 1 + marg,
                        yy = y + 5;
                    for (i = 0; i < 3; ++i) {
                        lines[i] = QLineF(xx, yy, xx, yy + 2);
                        ++xx;
                        ++yy;
                    }
                    yy -= 2;
                    for (i = 3; i < 7; ++i) {
                        lines[i] = QLineF(xx, yy, xx, yy + 2);
                        ++xx;
                        --yy;
                    }
                    p->drawLines(lines, 7);
                }
        }
        break;
#endif // QT3_SUPPORT
    case PE_IndicatorBranch: {
        int mid_h = opt->rect.x() + opt->rect.width() / 2;
        int mid_v = opt->rect.y() + opt->rect.height() / 2;
        int bef_h = mid_h;
        int bef_v = mid_v;
        int aft_h = mid_h;
        int aft_v = mid_v;
#ifndef QT_NO_IMAGEFORMAT_XPM
        static const int decoration_size = 9;
        static QPixmap open(tree_branch_open_xpm);
        static QPixmap closed(tree_branch_closed_xpm);
        if (opt->state & State_Children) {
            int delta = decoration_size / 2;
            bef_h -= delta;
            bef_v -= delta;
            aft_h += delta;
            aft_v += delta;
            p->drawPixmap(bef_h, bef_v, opt->state & State_Open ? open : closed);
        }
#endif // QT_NO_IMAGEFORMAT_XPM
        if (opt->state & State_Item) {
            if (opt->direction == Qt::RightToLeft)
                p->drawLine(opt->rect.left(), mid_v, bef_h, mid_v);
            else
                p->drawLine(aft_h, mid_v, opt->rect.right(), mid_v);
        }
        if (opt->state & State_Sibling)
            p->drawLine(mid_h, aft_v, mid_h, opt->rect.bottom());
        if (opt->state & (State_Open | State_Children | State_Item | State_Sibling))
            p->drawLine(mid_h, opt->rect.y(), mid_h, bef_v);
        break; }
#ifdef QT3_SUPPORT
    case PE_Q3Separator:
        qDrawShadeLine(p, opt->rect.left(), opt->rect.top(), opt->rect.right(), opt->rect.bottom(),
                       opt->palette, opt->state & State_Sunken, 1, 0);
        break;
#endif // QT3_SUPPORT
    case PE_FrameStatusBar:
        qDrawShadeRect(p, opt->rect, opt->palette, true, 1, 0, 0);
        break;
    case PE_IndicatorHeaderArrow:
        if (const QStyleOptionHeader *header = qstyleoption_cast<const QStyleOptionHeader *>(opt)) {
            QPen oldPen = p->pen();
            if (header->sortIndicator & QStyleOptionHeader::SortUp) {
                QPolygon pa(3);
                p->setPen(QPen(opt->palette.light(), 0));
                p->drawLine(opt->rect.x() + opt->rect.width(), opt->rect.y(),
                            opt->rect.x() + opt->rect.width() / 2, opt->rect.y() + opt->rect.height());
                p->setPen(QPen(opt->palette.dark(), 0));
                pa.setPoint(0, opt->rect.x() + opt->rect.width() / 2, opt->rect.y() + opt->rect.height());
                pa.setPoint(1, opt->rect.x(), opt->rect.y());
                pa.setPoint(2, opt->rect.x() + opt->rect.width(), opt->rect.y());
                p->drawPolyline(pa);
            } else if (header->sortIndicator & QStyleOptionHeader::SortDown) {
                QPolygon pa(3);
                p->setPen(QPen(opt->palette.light(), 0));
                pa.setPoint(0, opt->rect.x(), opt->rect.y() + opt->rect.height());
                pa.setPoint(1, opt->rect.x() + opt->rect.width(), opt->rect.y() + opt->rect.height());
                pa.setPoint(2, opt->rect.x() + opt->rect.width() / 2, opt->rect.y());
                p->drawPolyline(pa);
                p->setPen(QPen(opt->palette.dark(), 0));
                p->drawLine(opt->rect.x(), opt->rect.y() + opt->rect.height(),
                            opt->rect.x() + opt->rect.width() / 2, opt->rect.y());
            }
            p->setPen(oldPen);
        }
        break;
#ifndef QT_NO_TABBAR
    case PE_FrameTabBarBase:
        if (const QStyleOptionTabBarBase *tbb
                = qstyleoption_cast<const QStyleOptionTabBarBase *>(opt)) {
            QRegion region(tbb->rect);
            region -= tbb->selectedTabRect;
            p->save();
            p->setClipRegion(region);
            switch (tbb->shape) {
            case QTabBar::RoundedNorth:
            case QTabBar::TriangularNorth:
                p->setPen(QPen(tbb->palette.light(), 0));
                p->drawLine(tbb->rect.topLeft(), tbb->rect.topRight());
                break;
            case QTabBar::RoundedWest:
            case QTabBar::TriangularWest:
                p->setPen(QPen(tbb->palette.light(), 0));
                p->drawLine(tbb->rect.topLeft(), tbb->rect.bottomLeft());
                break;
            case QTabBar::RoundedSouth:
            case QTabBar::TriangularSouth:
                p->setPen(QPen(tbb->palette.shadow(), 0));
                p->drawLine(tbb->rect.left(), tbb->rect.bottom(),
                            tbb->rect.right(), tbb->rect.bottom());
                p->setPen(QPen(tbb->palette.dark(), 0));
                p->drawLine(tbb->rect.left(), tbb->rect.bottom() - 1,
                            tbb->rect.right() - 1, tbb->rect.bottom() - 1);
                break;
            case QTabBar::RoundedEast:
            case QTabBar::TriangularEast:
                p->setPen(QPen(tbb->palette.dark(), 0));
                p->drawLine(tbb->rect.topRight(), tbb->rect.bottomRight());
                break;
            }
            p->restore();
        }
        break;
#endif // QT_NO_TABBAR
    case PE_FrameTabWidget:
    case PE_FrameWindow:
        qDrawWinPanel(p, opt->rect, opt->palette, false, 0);
        break;
    case PE_FrameLineEdit:
        drawPrimitive(PE_Frame, opt, p, widget);
        break;
#ifndef QT_NO_GROUPBOX
    case PE_FrameGroupBox:
        if (const QStyleOptionFrame *frame = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
            const QStyleOptionFrameV2 *frame2 = qstyleoption_cast<const QStyleOptionFrameV2 *>(opt);
            if (frame2 && (frame2->features & QStyleOptionFrameV2::Flat)) {
                QRect fr = frame->rect;
                QPoint p1(fr.x(), fr.y() + 1);
                QPoint p2(fr.x() + fr.width(), p1.y());
                qDrawShadeLine(p, p1, p2, frame->palette, true,
                               frame->lineWidth, frame->midLineWidth);
            } else {
                qDrawShadeRect(p, frame->rect.x(), frame->rect.y(), frame->rect.width(),
                               frame->rect.height(), frame->palette, true,
                               frame->lineWidth, frame->midLineWidth);
            }
        }
        break;
#endif // QT_NO_GROUPBOX
#ifndef QT_NO_DOCKWIDGET
    case PE_FrameDockWidget:
        if (const QStyleOptionFrame *frame = qstyleoption_cast<const QStyleOptionFrame *>(opt)) {
            int lw = frame->lineWidth;
            if (lw <= 0)
                lw = pixelMetric(PM_DockWidgetFrameWidth);

            qDrawShadePanel(p, frame->rect, frame->palette, false, lw);
        }
        break;
#endif // QT_NO_DOCKWIDGET
#ifndef QT_NO_TOOLBAR
    case PE_IndicatorToolBarHandle:
        p->save();
        p->translate(opt->rect.x(), opt->rect.y());
        if (opt->state & State_Horizontal) {
            int x = opt->rect.width() / 3;
            if (QApplication::layoutDirection() == Qt::RightToLeft)
                x -= 2;
            if (opt->rect.height() > 4) {
                qDrawShadePanel(p, x, 2, 3, opt->rect.height() - 4,
                                opt->palette, false, 1, 0);
                qDrawShadePanel(p, x+3, 2, 3, opt->rect.height() - 4,
                                opt->palette, false, 1, 0);
            }
        } else {
            if (opt->rect.width() > 4) {
                int y = opt->rect.height() / 3;
                qDrawShadePanel(p, 2, y, opt->rect.width() - 4, 3,
                                opt->palette, false, 1, 0);
                qDrawShadePanel(p, 2, y+3, opt->rect.width() - 4, 3,
                                opt->palette, false, 1, 0);
            }
        }
        p->restore();
        break;
    case PE_Q3DockWindowSeparator:
        drawPrimitive(PE_IndicatorToolBarSeparator, opt, p, widget);
        break;
    case PE_IndicatorToolBarSeparator:
        {
            QPoint p1, p2;
            if (opt->state & State_Horizontal) {
                p1 = QPoint(opt->rect.width()/2, 0);
                p2 = QPoint(p1.x(), opt->rect.height());
            } else {
                p1 = QPoint(0, opt->rect.height()/2);
                p2 = QPoint(opt->rect.width(), p1.y());
            }
            qDrawShadeLine(p, p1, p2, opt->palette, 1, 1, 0);
            break;
        }
#endif // QT_NO_TOOLBAR
#ifndef QT_NO_SPINBOX
    case PE_IndicatorSpinPlus:
    case PE_IndicatorSpinMinus: {
        QRect r = opt->rect;
        int fw = pixelMetric(PM_DefaultFrameWidth, opt, widget);
        QRect br = r.adjusted(fw, fw, -fw, -fw);

        int offset = (opt->state & State_Sunken) ? 1 : 0;
        int step = (br.width() + 4) / 5;
        p->fillRect(br.x() + offset, br.y() + offset +br.height() / 2 - step / 2,
                    br.width(), step,
                    opt->palette.buttonText());
        if (pe == PE_IndicatorSpinPlus)
            p->fillRect(br.x() + br.width() / 2 - step / 2 + offset, br.y() + offset,
                        step, br.height(),
                        opt->palette.buttonText());

        break; }
    case PE_IndicatorSpinUp:
    case PE_IndicatorSpinDown: {
        QRect r = opt->rect;
        int fw = pixelMetric(PM_DefaultFrameWidth, opt, widget);
        // QRect br = r.adjusted(fw, fw, -fw, -fw);
        int x = r.x(), y = r.y(), w = r.width(), h = r.height();
        int sw = w-4;
        if (sw < 3)
            break;
        else if (!(sw & 1))
            sw--;
        sw -= (sw / 7) * 2;        // Empty border
        int sh = sw/2 + 2;      // Must have empty row at foot of arrow

        int sx = x + w / 2 - sw / 2;
        int sy = y + h / 2 - sh / 2;

        if (pe == PE_IndicatorSpinUp && fw)
            --sy;

        QPolygon a;
        if (pe == PE_IndicatorSpinDown)
            a.setPoints(3, 0, 1,  sw-1, 1,  sh-2, sh-1);
        else
            a.setPoints(3, 0, sh-1,  sw-1, sh-1,  sh-2, 1);
        int bsx = 0;
        int bsy = 0;
        if (opt->state & State_Sunken) {
            bsx = pixelMetric(PM_ButtonShiftHorizontal);
            bsy = pixelMetric(PM_ButtonShiftVertical);
        }
        p->save();
        p->translate(sx + bsx, sy + bsy);
        p->setPen(opt->palette.buttonText().color());
        p->setBrush(opt->palette.buttonText());
        p->drawPolygon(a);
        p->restore();
        break; }
#endif // QT_NO_SPINBOX
    case PE_PanelTipLabel: {
        QBrush oldBrush = p->brush();
        QPen oldPen = p->pen();
        p->setPen(opt->palette.foreground().color());