qmotifstyle.cpp

奇趣公司比较新的qt/emd版本

            if (tab->shape == QTabBar::RoundedNorth || tab->shape == QTabBar::RoundedEast ||
                tab->shape == QTabBar::RoundedSouth || tab->shape == QTabBar::RoundedWest) {
                p->save();
                QRect tabRect = opt->rect;
                QColor tabLight = opt->palette.light().color();
                QColor tabDark = opt->palette.dark().color();

                p->fillRect(opt->rect.adjusted(default_frame, default_frame,
                                               -default_frame, -default_frame),
                                               tab->palette.background());

                if(tab->shape == QTabBar::RoundedWest) {
                    tabDark = opt->palette.light().color();
                    tabLight = opt->palette.dark().color();
                    tabRect = QRect(0, 0, tabRect.height(), tabRect.width());
                    p->translate(opt->rect.left(), opt->rect.bottom());
                    p->rotate(-90);
                } else if(tab->shape == QTabBar::RoundedSouth) {
                    tabDark = opt->palette.light().color();
                    tabLight = opt->palette.dark().color();
                    tabRect = QRect(0, 0, tabRect.width(), tabRect.height());
                    p->translate(opt->rect.right(), opt->rect.bottom());
                    p->rotate(180);
                } else if(tab->shape == QTabBar::RoundedEast) {
                    tabRect = QRect(0, 0, tabRect.height(), tabRect.width());
                    p->translate(opt->rect.right(), opt->rect.top());
                    p->rotate(90);
                }

                if (default_frame > 1) {
                    p->setPen(tabLight);
                    p->drawLine(tabRect.left(), tabRect.bottom(),
                                tabRect.right(), tabRect.bottom());
                    p->setPen(tabLight);
                    p->drawLine(tabRect.left(), tabRect.bottom()-1,
                                tabRect.right(), tabRect.bottom()-1);
                    if (tabRect.left() == 0)
                        p->drawPoint(tabRect.bottomLeft());
                } else {
                    p->setPen(tabLight);
                    p->drawLine(tabRect.left(), tabRect.bottom(),
                                tabRect.right(), tabRect.bottom());
                }

                if (opt->state & State_Selected) {
                    p->fillRect(QRect(tabRect.left()+1, tabRect.bottom()-frame_offset,
                                      tabRect.width()-3, 2),
                                tab->palette.brush(QPalette::Active, QPalette::Background));
                    p->setPen(tab->palette.background().color());
                    p->drawLine(tabRect.left()+1, tabRect.bottom(),
                                tabRect.left()+1, tabRect.top()+2);
                    p->setPen(tabLight);
                } else {
                    p->setPen(tabLight);
                }
                p->drawLine(tabRect.left(), tabRect.bottom()-1,
                            tabRect.left(), tabRect.top() + 2);
                p->drawPoint(tabRect.left()+1, tabRect.top() + 1);
                p->drawLine(tabRect.left()+2, tabRect.top(),
                            tabRect.right() - 2, tabRect.top());
                p->drawPoint(tabRect.left(), tabRect.bottom());

                if (default_frame > 1) {
                    p->drawLine(tabRect.left()+1, tabRect.bottom(),
                                tabRect.left()+1, tabRect.top() + 2);
                    p->drawLine(tabRect.left()+2, tabRect.top()+1,
                                tabRect.right() - 2, tabRect.top()+1);
                }

                p->setPen(tabDark);
                p->drawLine(tabRect.right() - 1, tabRect.top() + 2,
                            tabRect.right() - 1, tabRect.bottom() - 1 +
                            ((opt->state & State_Selected) ? frame_offset : -frame_offset));
                if (default_frame > 1) {
                    p->drawPoint(tabRect.right() - 1, tabRect.top() + 1);
                    p->drawLine(tabRect.right(), tabRect.top() + 2, tabRect.right(),
                                tabRect.bottom() -
                                ((opt->state & State_Selected) ?
                                 ((tab->position == QStyleOptionTab::End) ? 0:1):1+frame_offset));
                    p->drawPoint(tabRect.right() - 1, tabRect.top() + 1);
                }
                p->restore();
            } else {
                QCommonStyle::drawControl(element, opt, p, widget);
            }
            break; }
#endif // QT_NO_TABBAR
    case CE_ProgressBarGroove:
        qDrawShadePanel(p, opt->rect, opt->palette, true, 2);
        break;

    case CE_ProgressBarLabel:
        if (const QStyleOptionProgressBar *pb = qstyleoption_cast<const QStyleOptionProgressBar *>(opt)) {
            QTransform oldMatrix = p->transform();
            QRect rect = pb->rect;
            bool vertical = false;
            bool invert = false;
            bool bottomToTop = false;
            if (const QStyleOptionProgressBarV2 *pb2 = qstyleoption_cast<const QStyleOptionProgressBarV2 *>(opt)) {
                vertical = (pb2->orientation == Qt::Vertical);
                invert = pb2->invertedAppearance;
                bottomToTop = pb2->bottomToTop;
            }
            if (vertical) {
                QTransform m;
                rect = QRect(rect.left(), rect.top(), rect.height(), rect.width()); // flip width and height
                if (bottomToTop) {
                    m.translate(0.0, rect.width());
                    m.rotate(-90);
                } else {
                    m.translate(rect.height(), 0.0);
                    m.rotate(90);
                }
                p->setTransform(m);
            }
            const int unit_width = pixelMetric(PM_ProgressBarChunkWidth, opt, widget);
            int u = rect.width() / unit_width;
            int p_v = pb->progress - pb->minimum;
            int t_s = qMax(0, pb->maximum - pb->minimum);
            if (u > 0 && pb->progress >= INT_MAX / u && t_s >= u) {
                // scale down to something usable.
                p_v /= u;
                t_s /= u;
            }
            if (pb->textVisible && t_s) {
                int nu = (u * p_v + t_s/2) / t_s;
                int x = unit_width * nu;
                QRect left(rect.x(), rect.y(), x, rect.height());
                QRect right(rect.x() + x, rect.y(), rect.width() - x, rect.height());
                Qt::LayoutDirection dir;
                dir = vertical ? (bottomToTop ? Qt::LeftToRight : Qt::RightToLeft) : pb->direction;
                if (invert)
                    dir = (dir == Qt::LeftToRight) ? Qt::RightToLeft : Qt::LeftToRight;
                const QRect highlighted = visualRect(dir, rect, left);
                const QRect background = visualRect(dir, rect, right);
                p->setPen(opt->palette.highlightedText().color());
                p->setClipRect(highlighted);
                p->drawText(rect, Qt::AlignCenter | Qt::TextSingleLine, pb->text);

                if (pb->progress != pb->maximum) {
                    p->setClipRect(background);
                    p->setPen(opt->palette.highlight().color());
                    p->drawText(rect, Qt::AlignCenter | Qt::TextSingleLine, pb->text);
                }
            }
            p->setTransform(oldMatrix);
            break;
        }

    case CE_MenuTearoff: {
        if(opt->state & State_Selected) {
            if(pixelMetric(PM_MenuPanelWidth, opt, widget) > 1)
                qDrawShadePanel(p, opt->rect.x(), opt->rect.y(), opt->rect.width(),
                                opt->rect.height(), opt->palette, false, motifItemFrame,
                                &opt->palette.brush(QPalette::Button));
            else
                qDrawShadePanel(p, opt->rect.x()+1, opt->rect.y()+1, opt->rect.width()-2,
                                opt->rect.height()-2, opt->palette, true, 1, &opt->palette.brush(QPalette::Button));
        } else {
            p->fillRect(opt->rect, opt->palette.brush(QPalette::Button));
        }
        p->setPen(QPen(opt->palette.dark().color(), 1, Qt::DashLine));
        p->drawLine(opt->rect.x()+2, opt->rect.y()+opt->rect.height()/2-1, opt->rect.x()+opt->rect.width()-4,
                    opt->rect.y()+opt->rect.height()/2-1);
        p->setPen(QPen(opt->palette.light().color(), 1, Qt::DashLine));
        p->drawLine(opt->rect.x()+2, opt->rect.y()+opt->rect.height()/2, opt->rect.x()+opt->rect.width()-4,
                    opt->rect.y()+opt->rect.height()/2);
        break; }

    case CE_MenuItem:
        if (const QStyleOptionMenuItem *menuitem = qstyleoption_cast<const QStyleOptionMenuItem *>(opt)) {
            int maxpmw = menuitem->maxIconWidth;
            if(menuitem->menuHasCheckableItems)
                maxpmw = qMax(maxpmw, motifCheckMarkSpace);

            int x, y, w, h;
            opt->rect.getRect(&x, &y, &w, &h);

            if (menuitem->menuItemType == QStyleOptionMenuItem::Separator) {  // draw separator
                int textWidth = 0;
                if (!menuitem->text.isEmpty()) {
                    QFont oldFont = p->font();
                    p->setFont(menuitem->font);
                    p->fillRect(x, y, w, h, opt->palette.brush(QPalette::Button));
                    drawItemText(p, menuitem->rect.adjusted(10, 0, -5, 0), Qt::AlignLeft | Qt::AlignVCenter,
                                 menuitem->palette, menuitem->state & State_Enabled, menuitem->text,
                                 QPalette::Text);
                    textWidth = menuitem->fontMetrics.width(menuitem->text) + 10;
                    y += menuitem->fontMetrics.lineSpacing() / 2;
                    p->setFont(oldFont);
                }
                p->setPen(opt->palette.dark().color());
                p->drawLine(x, y, x + 5, y);
                p->drawLine(x + 5 + textWidth, y, x+w, y);
                p->setPen(opt->palette.light().color());
                p->drawLine(x, y + 1, x + 5, y + 1);
                p->drawLine(x + 5 + textWidth, y + 1, x+w, y + 1);
                return;
            }

            int pw = motifItemFrame;
            if((opt->state & State_Selected) && (opt->state & State_Enabled)) {  // active item frame
                if(pixelMetric(PM_MenuPanelWidth, opt) > 1)
                    qDrawShadePanel(p, x, y, w, h, opt->palette, false, pw,
                                    &opt->palette.brush(QPalette::Button));
                else
                    qDrawShadePanel(p, x+1, y+1, w-2, h-2, opt->palette, true, 1,
                                    &opt->palette.brush(QPalette::Button));
            } else  {                               // incognito frame
                p->fillRect(x, y, w, h, opt->palette.brush(QPalette::Button));
            }

            QRect vrect = visualRect(opt->direction, opt->rect,
                                     QRect(x+motifItemFrame, y+motifItemFrame, maxpmw,
                                           h-2*motifItemFrame));
            int xvis = vrect.x();
            if (menuitem->checked) {
                if(!menuitem->icon.isNull())
                    qDrawShadePanel(p, xvis, y+motifItemFrame, maxpmw, h-2*motifItemFrame,
                                    opt->palette, true, 1, &opt->palette.brush(QPalette::Midlight));
            } else if (!(opt->state & State_Selected)) {
                p->fillRect(xvis, y+motifItemFrame, maxpmw, h-2*motifItemFrame,
                            opt->palette.brush(QPalette::Button));
            }

            if(!menuitem->icon.isNull()) {              // draw icon
                QIcon::Mode mode = QIcon::Normal; // no disabled icons in Motif
                if ((opt->state & State_Selected) && !!(opt->state & State_Enabled))
                    mode = QIcon::Active;
                QPixmap pixmap;
                if (menuitem->checkType != QStyleOptionMenuItem::NotCheckable && menuitem->checked)
                    pixmap = menuitem->icon.pixmap(pixelMetric(PM_SmallIconSize), mode, QIcon::On);
                else
                    pixmap = menuitem->icon.pixmap(pixelMetric(PM_SmallIconSize), mode);

                int pixw = pixmap.width();
                int pixh = pixmap.height();
                QRect pmr(0, 0, pixw, pixh);
                pmr.moveCenter(vrect.center());
                p->setPen(opt->palette.text().color());
                p->drawPixmap(pmr.topLeft(), pixmap);

            } else  if (menuitem->checkType != QStyleOptionMenuItem::NotCheckable) {  // just "checking"...
                int mh = h - 2*motifItemFrame;

                QStyleOptionButton newMenuItem;
                newMenuItem.state = menuitem->checked ? State_On : State_None;
                if (opt->state & State_Enabled) {
                    newMenuItem.state |= State_Enabled;
                    if (menuitem->state & State_Sunken)
                        newMenuItem.state |= State_Sunken;
                }
                if (menuitem->checkType & QStyleOptionMenuItem::Exclusive) {
                    newMenuItem.rect.setRect(xvis + 2, y + motifItemFrame + mh / 4, 11, 11);
                    drawPrimitive(PE_IndicatorRadioButton, &newMenuItem, p, widget);
                } else {
                    newMenuItem.rect.setRect(xvis + 5, y + motifItemFrame + mh / 4, 9, 9);
                    drawPrimitive(PE_IndicatorCheckBox, &newMenuItem, p, widget);
                }
            }

            p->setPen(opt->palette.buttonText().color());

            QColor discol;
            if (!(opt->state & State_Enabled)) {
                discol = opt->palette.text().color();
                p->setPen(discol);
            }

            int xm = motifItemFrame + maxpmw + motifItemHMargin;

            vrect = visualRect(opt->direction, opt->rect,
                               QRect(x+xm, y+motifItemVMargin, w-xm-menuitem->tabWidth,
                                     h-2*motifItemVMargin));
            xvis = vrect.x();

            QString s = menuitem->text;
            if (!s.isNull()) {                        // draw text
                int t = s.indexOf(QLatin1Char('\t'));
                int m = motifItemVMargin;
                int text_flags = Qt::AlignVCenter|Qt::TextShowMnemonic | Qt::TextDontClip | Qt::TextSingleLine;
                text_flags |= Qt::AlignLeft;
                QFont oldFont = p->font();
                p->setFont(menuitem->font);
                if (t >= 0) {                         // draw tab text
                    QRect vr = visualRect(opt->direction, opt->rect,
                                          QRect(x+w-menuitem->tabWidth-motifItemHMargin-motifItemFrame,
                                                y+motifItemVMargin, menuitem->tabWidth,
                                                h-2*motifItemVMargin));
                    int xv = vr.x();
                    QRect tr(xv, y+m, menuitem->tabWidth, h-2*m);
                    p->drawText(tr, text_flags, s.mid(t+1));
                    if (!(opt->state & State_Enabled) && styleHint(SH_DitherDisabledText))
                        p->fillRect(tr, QBrush(p->background().color(), Qt::Dense5Pattern));
                    s = s.left(t);
                }
                QRect tr(xvis, y+m, w - xm - menuitem->tabWidth + 1, h-2*m);
                p->drawText(tr, text_flags, s.left(t));
                p->setFont(oldFont);
                if (!(opt->state & State_Enabled) && styleHint(SH_DitherDisabledText))
                    p->fillRect(tr, QBrush(p->background().color(), Qt::Dense5Pattern));
            }
            if (menuitem->menuItemType == QStyleOptionMenuItem::SubMenu) {           // draw sub menu arrow
                int dim = (h-2*motifItemFrame) / 2;
                QStyle::PrimitiveElement arrow = (opt->direction == Qt::RightToLeft ? PE_IndicatorArrowLeft : PE_IndicatorArrowRight);
                QStyleOption arrowOpt = *opt;
                arrowOpt.rect = visualRect(opt->direction, opt->rect,
                                           QRect(x+w - motifArrowHMargin - motifItemFrame - dim,
                                                 y+h/2-dim/2, dim, dim));
                if ((opt->state & State_Selected))
                    arrowOpt.state = (State_Sunken | ((opt->state & State_Enabled) ? State_Enabled : State_None));
                else
                    arrowOpt.state = ((opt->state & State_Enabled) ? State_Enabled : State_None);
                drawPrimitive(arrow, &arrowOpt, p, widget);
            }
            break; }