arthurstyle.cpp

奇趣公司比较新的qt/emd版本

            bottom.setWidth(r.width() - bottomLeft.width() - bottomRight.width());
            bottom.setHeight(bottomLeft.height());
            painter->drawTiledPixmap(bottom, bottomStretch);
            painter->restore();
        }
        break;

    default:
        QWindowsStyle::drawPrimitive(element, option, painter, widget);
        break;
    }
    return;
}


void ArthurStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option,
                                     QPainter *painter, const QWidget *widget) const
{
    switch (control) {
    case CC_Slider:
        if (const QStyleOptionSlider *slider = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
            QRect groove = subControlRect(CC_Slider, option, SC_SliderGroove, widget);
            QRect handle = subControlRect(CC_Slider, option, SC_SliderHandle, widget);

            painter->save();

            bool hover = (slider->state & State_Enabled) && (slider->state & State_MouseOver);
            if (hover) {
                QRect moderated = widget->rect().adjusted(0, 4, 0, -4);
                drawHoverRect(painter, moderated);
            }

            if ((option->subControls & SC_SliderGroove) && groove.isValid()) {
                QPixmap grv = cached(":res/images/slider_bar.png");
                painter->drawPixmap(QRect(groove.x() + 5, groove.y(),
                                          groove.width() - 10, grv.height()),
                                    grv);
            }
            if ((option->subControls & SC_SliderHandle) && handle.isValid()) {
                QPixmap hndl = cached(":res/images/slider_thumb_on.png");
                painter->drawPixmap(handle.topLeft(), hndl);
            }

            painter->restore();
        }
        break;
    case CC_GroupBox:
        if (const QStyleOptionGroupBox *groupBox
                = qstyleoption_cast<const QStyleOptionGroupBox *>(option)) {
            QStyleOptionGroupBox groupBoxCopy(*groupBox);
            groupBoxCopy.subControls &= ~SC_GroupBoxLabel;
            QWindowsStyle::drawComplexControl(control, &groupBoxCopy, painter, widget);

            if (groupBox->subControls & SC_GroupBoxLabel) {
                const QRect &r = groupBox->rect;
                QPixmap titleLeft = cached(":res/images/title_cap_left.png");
                QPixmap titleRight = cached(":res/images/title_cap_right.png");
                QPixmap titleStretch = cached(":res/images/title_stretch.png");
                int txt_width = groupBox->fontMetrics.width(groupBox->text) + 20;
                painter->drawPixmap(r.center().x() - txt_width/2, 0, titleLeft);
                QRect tileRect = subControlRect(control, groupBox, SC_GroupBoxLabel, widget);
                painter->drawTiledPixmap(tileRect, titleStretch);
                painter->drawPixmap(tileRect.x() + tileRect.width(), 0, titleRight);
                int opacity = 31;
                painter->setPen(QColor(0, 0, 0, opacity));
                painter->drawText(tileRect.translated(0, 1),
                                  Qt::AlignVCenter | Qt::AlignHCenter, groupBox->text);
                painter->drawText(tileRect.translated(2, 1),
                                  Qt::AlignVCenter | Qt::AlignHCenter, groupBox->text);
                painter->setPen(QColor(0, 0, 0, opacity * 2));
                painter->drawText(tileRect.translated(1, 1),
                                  Qt::AlignVCenter | Qt::AlignHCenter, groupBox->text);
                painter->setPen(Qt::white);
                painter->drawText(tileRect, Qt::AlignVCenter | Qt::AlignHCenter, groupBox->text);
            }
        }
        break;
    default:
        QWindowsStyle::drawComplexControl(control, option, painter, widget);
        break;
    }
    return;
}

QRect ArthurStyle::subControlRect(ComplexControl control, const QStyleOptionComplex *option,
                                  SubControl subControl, const QWidget *widget) const
{
    QRect rect;

    switch (control) {
    default:
        rect = QWindowsStyle::subControlRect(control, option, subControl, widget);
        break;
    case CC_GroupBox:
        if (const QStyleOptionGroupBox *group
                = qstyleoption_cast<const QStyleOptionGroupBox *>(option)) {
            switch (subControl) {
            default:
                rect = QWindowsStyle::subControlRect(control, option, subControl, widget);
                break;
            case SC_GroupBoxContents:
                rect = QWindowsStyle::subControlRect(control, option, subControl, widget);
                rect.adjust(0, -8, 0, 0);
                break;
            case SC_GroupBoxFrame:
                rect = group->rect;
                break;
            case SC_GroupBoxLabel:
                QPixmap titleLeft = cached(":res/images/title_cap_left.png");
                QPixmap titleRight = cached(":res/images/title_cap_right.png");
                QPixmap titleStretch = cached(":res/images/title_stretch.png");
                int txt_width = group->fontMetrics.width(group->text) + 20;
                rect = QRect(group->rect.center().x() - txt_width/2 + titleLeft.width(), 0,
                             txt_width - titleLeft.width() - titleRight.width(),
                             titleStretch.height());
                break;
            }
        }
        break;
    }

    if (control == CC_Slider && subControl == SC_SliderHandle) {
        rect.setWidth(13);
        rect.setHeight(27);
    } else if (control == CC_Slider && subControl == SC_SliderGroove) {
        rect.setHeight(9);
        rect.moveTop(27/2 - 9/2);
    }
    return rect;
}

QSize ArthurStyle::sizeFromContents(ContentsType type, const QStyleOption *option,
                                    const QSize &size, const QWidget *widget) const
{
    QSize newSize = QWindowsStyle::sizeFromContents(type, option, size, widget);


    switch (type) {
    case CT_RadioButton:
        newSize += QSize(20, 0);
        break;

    case CT_PushButton:
        newSize.setHeight(26);
        break;

    case CT_Slider:
        newSize.setHeight(27);
        break;

    default:
        break;
    }

    return newSize;
}

int ArthurStyle::pixelMetric(PixelMetric pm, const QStyleOption *opt, const QWidget *widget) const
{
    if (pm == PM_SliderLength)
        return 13;
    return QWindowsStyle::pixelMetric(pm, opt, widget);
}

void ArthurStyle::polish(QWidget *widget)
{
    if (widget->layout() && qobject_cast<QGroupBox *>(widget)) {
        if (qFindChildren<QGroupBox *>(widget).size() == 0) {
            widget->layout()->setSpacing(0);
            widget->layout()->setMargin(12);
        } else {
            widget->layout()->setMargin(13);
        }
    }

    if (qobject_cast<QPushButton *>(widget)
        || qobject_cast<QRadioButton *>(widget)
        || qobject_cast<QSlider *>(widget)) {
        widget->setAttribute(Qt::WA_Hover);
    }

    QPalette pal = widget->palette();
    if (widget->isWindow()) {
        pal.setColor(QPalette::Background, QColor(241, 241, 241));
        widget->setPalette(pal);
    }

}

void ArthurStyle::unpolish(QWidget *widget)
{
    if (qobject_cast<QPushButton *>(widget)
        || qobject_cast<QRadioButton *>(widget)
        || qobject_cast<QSlider *>(widget)) {
        widget->setAttribute(Qt::WA_Hover, false);
    }
}

void ArthurStyle::polish(QPalette &palette)
{
    palette.setColor(QPalette::Background, QColor(241, 241, 241));
}

QRect ArthurStyle::subElementRect(SubElement element, const QStyleOption *option, const QWidget *widget) const
{
    QRect r;
    switch(element) {
    case SE_RadioButtonClickRect:
        r = widget->rect();
        break;
    case SE_RadioButtonContents:
        r = widget->rect().adjusted(20, 0, 0, 0);
        break;
    default:
        r = QWindowsStyle::subElementRect(element, option, widget);
        break;
    }

    if (qobject_cast<const QRadioButton*>(widget))
        r = r.adjusted(5, 0, -5, 0);

    return r;
}