qmotifstyle.cpp

奇趣公司比较新的qt/emd版本

        if (pe == PE_IndicatorArrowUp || pe == PE_IndicatorArrowLeft) {
            if (vertical) {
                rot(bFill,3);
                rot(bLeft,3);
                rot(bTop,3);
                rot(bBot,3);
                bFill.translate(0, rect.height() - 1);
                bLeft.translate(0, rect.height() - 1);
                bTop.translate(0, rect.height() - 1);
                bBot.translate(0, rect.height() - 1);
            } else {
                rot(bFill,2);
                rot(bLeft,2);
                rot(bTop,2);
                rot(bBot,2);
                bFill.translate(rect.width() - 1, rect.height() - 1);
                bLeft.translate(rect.width() - 1, rect.height() - 1);
                bTop.translate(rect.width() - 1, rect.height() - 1);
                bBot.translate(rect.width() - 1, rect.height() - 1);
            }
            if (opt->state & State_Sunken)
                colspec = horizontal ? 0x2334 : 0x2343;
            else
                colspec = horizontal ? 0x1443 : 0x1434;
        } else {
            if (vertical) {
                rot(bFill,1);
                rot(bLeft,1);
                rot(bTop,1);
                rot(bBot,1);
                bFill.translate(rect.width() - 1, 0);
                bLeft.translate(rect.width() - 1, 0);
                bTop.translate(rect.width() - 1, 0);
                bBot.translate(rect.width() - 1, 0);
            }
            if (opt->state & State_Sunken)
                colspec = horizontal ? 0x2443 : 0x2434;
            else
                colspec = horizontal ? 0x1334 : 0x1343;
        }
        bFill.translate(rect.x(), rect.y());
        bLeft.translate(rect.x(), rect.y());
        bTop.translate(rect.x(), rect.y());
        bBot.translate(rect.x(), rect.y());

        const QColor *cols[5];
        if (opt->state & State_Enabled) {
            cols[0] = 0;
            cols[1] = &opt->palette.button().color();
            cols[2] = &opt->palette.mid().color();
            cols[3] = &opt->palette.light().color();
            cols[4] = &opt->palette.dark().color();
        } else {
            cols[0] = 0;
            cols[1] = &opt->palette.mid().color();
            cols[2] = &opt->palette.mid().color();
            cols[3] = &opt->palette.mid().color();
            cols[4] = &opt->palette.mid().color();
        }

#define CMID *cols[(colspec>>12) & 0xf]
#define CLEFT *cols[(colspec>>8) & 0xf]
#define CTOP *cols[(colspec>>4) & 0xf]
#define CBOT *cols[colspec & 0xf]

        QPen savePen = p->pen();
        QBrush saveBrush = p->brush();
        QPen pen(Qt::NoPen);
        QBrush brush = opt->palette.brush((opt->state & State_Enabled) ?
                                          QPalette::Button : QPalette::Mid);
        p->setPen(pen);
        p->setBrush(brush);
        p->drawPolygon(bFill);
        p->setBrush(Qt::NoBrush);

        p->setPen(CLEFT);
        p->drawPolyline(bLeft);
        p->setPen(CTOP);
        p->drawPolyline(bTop);
        p->setPen(CBOT);
        p->drawPolyline(bBot);

        p->setBrush(saveBrush);
        p->setPen(savePen);
#undef CMID
#undef CLEFT
#undef CTOP
#undef CBOT
        if (!(opt->state & State_Enabled) && styleHint(SH_DitherDisabledText))
            p->fillRect(opt->rect, QBrush(p->background().color(), Qt::Dense5Pattern));
        break; }

    case PE_IndicatorDockWidgetResizeHandle: {
        const int motifOffset = 10;
        int sw = pixelMetric(PM_SplitterWidth);
        if (opt->state & State_Horizontal) {
            int yPos = opt->rect.y() + opt->rect.height() / 2;
            int kPos = opt->rect.right() - motifOffset - sw;
            int kSize = sw - 2;

            qDrawShadeLine(p, opt->rect.left(), yPos, kPos, yPos, opt->palette);
            qDrawShadePanel(p, kPos, yPos - sw / 2 + 1, kSize, kSize,
                            opt->palette, false, 1, &opt->palette.brush(QPalette::Button));
            qDrawShadeLine(p, kPos + kSize - 1, yPos, opt->rect.right(), yPos, opt->palette);
        } else {
            int xPos = opt->rect.x() + opt->rect.width() / 2;
            int kPos = motifOffset;
            int kSize = sw - 2;

            qDrawShadeLine(p, xPos, opt->rect.top() + kPos + kSize - 1, xPos, opt->rect.bottom(), opt->palette);
            qDrawShadePanel(p, xPos - sw / 2 + 1, opt->rect.top() + kPos, kSize, kSize, opt->palette,
                            false, 1, &opt->palette.brush(QPalette::Button));
            qDrawShadeLine(p, xPos, opt->rect.top(), xPos, opt->rect.top() + kPos, opt->palette);
        }
        break; }

    case PE_IndicatorMenuCheckMark: {
        const int markW = 6;
        const int markH = 6;
        int posX = opt->rect.x() + (opt->rect.width()  - markW) / 2 - 1;
        int posY = opt->rect.y() + (opt->rect.height() - markH) / 2;
        int dfw = pixelMetric(PM_DefaultFrameWidth);

        if (dfw < 2) {
            // Could do with some optimizing/caching...
            QPolygon a(7*2);
            int i, xx, yy;
            xx = posX;
            yy = 3 + posY;
            for (i=0; i<3; i++) {
                a.setPoint(2*i,   xx, yy);
                a.setPoint(2*i+1, xx, yy+2);
                xx++; yy++;
            }
            yy -= 2;
            for (i=3; i<7; i++) {
                a.setPoint(2*i,   xx, yy);
                a.setPoint(2*i+1, xx, yy+2);
                xx++; yy--;
            }
            if (! (opt->state & State_Enabled) && ! (opt->state & State_On)) {
                int pnt;
                p->setPen(opt->palette.highlightedText().color());
                QPoint offset(1,1);
                for (pnt = 0; pnt < (int)a.size(); pnt++)
                    a[pnt] += offset;
                p->drawPolyline(a);
                for (pnt = 0; pnt < (int)a.size(); pnt++)
                    a[pnt] -= offset;
            }
            p->setPen(opt->palette.text().color());
            p->drawPolyline(a);

            qDrawShadePanel(p, posX-2, posY-2, markW+4, markH+6, opt->palette, true, dfw);
        } else
            qDrawShadePanel(p, posX, posY, markW, markH, opt->palette, true, dfw,
                            &opt->palette.brush(QPalette::Mid));

        break; }

    case PE_IndicatorProgressChunk:
        {
            bool vertical = false;
            if (const QStyleOptionProgressBarV2 *pb2 = qstyleoption_cast<const QStyleOptionProgressBarV2 *>(opt))
                vertical = (pb2->orientation == Qt::Vertical);
            if (!vertical) {
                p->fillRect(opt->rect.x(), opt->rect.y(), opt->rect.width(),
                            opt->rect.height(), opt->palette.brush(QPalette::Highlight));
            } else {
                p->fillRect(opt->rect.x(), opt->rect.y(), opt->rect.width(), opt->rect.height(),
                            opt->palette.brush(QPalette::Highlight));
            }
        }
        break;

    default:
        QCommonStyle::drawPrimitive(pe, opt, p, w);
        break;
    }
}


/*!
  \reimp
*/
void QMotifStyle::drawControl(ControlElement element, const QStyleOption *opt, QPainter *p,
                              const QWidget *widget) const
{
    switch(element) {
    case CE_Splitter: {
        QStyleOption handleOpt = *opt;
        if (handleOpt.state & State_Horizontal)
            handleOpt.state &= ~State_Horizontal;
        else
            handleOpt.state |= State_Horizontal;
        drawPrimitive(PE_IndicatorDockWidgetResizeHandle, &handleOpt, p, widget);
        break; }

    case CE_ScrollBarSubLine:
    case CE_ScrollBarAddLine:{
        PrimitiveElement pe;
        if (element == CE_ScrollBarAddLine)
            pe = (opt->state & State_Horizontal) ? (opt->direction == Qt::LeftToRight ? PE_IndicatorArrowRight : PE_IndicatorArrowLeft) : PE_IndicatorArrowDown;
        else
            pe = (opt->state & State_Horizontal) ? (opt->direction == Qt::LeftToRight ? PE_IndicatorArrowLeft : PE_IndicatorArrowRight) : PE_IndicatorArrowUp;
        QStyleOption arrowOpt = *opt;
        arrowOpt.state |= State_Enabled;
        drawPrimitive(pe, &arrowOpt, p, widget);
        if (!(opt->state & State_Enabled) && styleHint(SH_DitherDisabledText)) {
            int fw = pixelMetric(PM_DefaultFrameWidth);
            p->fillRect(opt->rect.adjusted(fw, fw, -fw, -fw), QBrush(p->background().color(), Qt::Dense5Pattern));
        }
    }break;

    case CE_ScrollBarSubPage:
    case CE_ScrollBarAddPage:
        p->fillRect(opt->rect, opt->palette.brush((opt->state & State_Enabled) ? QPalette::Mid : QPalette::Window));
        break;

    case CE_ScrollBarSlider: {
        QStyleOption bevelOpt = *opt;
        bevelOpt.state |= State_Raised;
        bevelOpt.state &= ~(State_Sunken | State_On);
        p->save();
        p->setBrushOrigin(bevelOpt.rect.topLeft());
        drawPrimitive(PE_PanelButtonBevel, &bevelOpt, p, widget);
        p->restore();
        if (!(opt->state & State_Enabled) && styleHint(SH_DitherDisabledText))
            p->fillRect(opt->rect, QBrush(p->background().color(), Qt::Dense5Pattern));
        break; }

    case CE_RadioButton:
    case CE_CheckBox:
        if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            bool isRadio = (element == CE_RadioButton);
            QStyleOptionButton subopt = *btn;
            subopt.rect = subElementRect(isRadio ? SE_RadioButtonIndicator
                                         : SE_CheckBoxIndicator, btn, widget);
            drawPrimitive(isRadio ? PE_IndicatorRadioButton : PE_IndicatorCheckBox,
                          &subopt, p, widget);
            subopt.rect = subElementRect(isRadio ? SE_RadioButtonContents
                                         : SE_CheckBoxContents, btn, widget);
            drawControl(isRadio ? CE_RadioButtonLabel : CE_CheckBoxLabel, &subopt, p, widget);
            if ((btn->state & State_HasFocus) && (!focus || !focus->isVisible())) {
                QStyleOptionFocusRect fropt;
                fropt.QStyleOption::operator=(*btn);
                fropt.rect = subElementRect(isRadio ? SE_RadioButtonFocusRect
                                            : SE_CheckBoxFocusRect, btn, widget);
                drawPrimitive(PE_FrameFocusRect, &fropt, p, widget);
            }
        }
        break;
    case CE_PushButton:
        if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            drawControl(CE_PushButtonBevel, btn, p, widget);
            QStyleOptionButton subopt = *btn;
            subopt.rect = subElementRect(SE_PushButtonContents, btn, widget);
            drawControl(CE_PushButtonLabel, &subopt, p, widget);
            if ((btn->state & State_HasFocus) && (!focus || !focus->isVisible())) {
                QStyleOptionFocusRect fropt;
                fropt.QStyleOption::operator=(*btn);
                fropt.rect = subElementRect(SE_PushButtonFocusRect, btn, widget);
                drawPrimitive(PE_FrameFocusRect, &fropt, p, widget);
            }
        }
        break;
    case CE_PushButtonBevel:
        if (const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt)) {
            int diw, x1, y1, x2, y2;
            p->setPen(opt->palette.foreground().color());
            p->setBrush(QBrush(opt->palette.button().color(), Qt::NoBrush));
            diw = pixelMetric(PM_ButtonDefaultIndicator);
            opt->rect.getCoords(&x1, &y1, &x2, &y2);
            if (btn->features & (QStyleOptionButton::AutoDefaultButton|QStyleOptionButton::DefaultButton)) {
                x1 += diw;
                y1 += diw;
                x2 -= diw;
                y2 -= diw;
            }
            if (btn->features & QStyleOptionButton::DefaultButton) {
                if (diw == 0) {
                    QPolygon a;
                    a.setPoints(9,
                                x1, y1, x2, y1, x2, y2, x1, y2, x1, y1+1,
                                x2-1, y1+1, x2-1, y2-1, x1+1, y2-1, x1+1, y1+1);
                    p->setPen(opt->palette.shadow().color());
                    p->drawPolygon(a);
                    x1 += 2;
                    y1 += 2;
                    x2 -= 2;
                    y2 -= 2;
                } else {
                    qDrawShadePanel(p, opt->rect.adjusted(1, 1, -1, -1), opt->palette, true);
                }
            }
            if (!(btn->features & QStyleOptionButton::Flat) ||
                (btn->state & (State_Sunken | State_On))) {
                QStyleOptionButton newOpt = *btn;
                newOpt.rect = QRect(x1, y1, x2 - x1 + 1, y2 - y1 + 1);
                p->setBrushOrigin(p->brushOrigin());
                drawPrimitive(PE_PanelButtonCommand, &newOpt, p, widget);
            }
            if (btn->features & QStyleOptionButton::HasMenu) {
                int mbi = pixelMetric(PM_MenuButtonIndicator, btn, widget);
                QRect ir = btn->rect;
                QStyleOptionButton newBtn = *btn;
                newBtn.rect = QRect(ir.right() - mbi - 3, ir.y() + 4,  mbi, ir.height() - 8);
                drawPrimitive(PE_IndicatorArrowDown, &newBtn, p, widget);
            }
            break;
        }

#ifndef QT_NO_TABBAR
    case CE_TabBarTabShape:
        if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(opt)) {
            const int default_frame = pixelMetric(PM_DefaultFrameWidth, tab, widget);
            const int frame_offset =  (default_frame > 1) ? 1 : 0;