| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the demonstration applications of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
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| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
| ** |
| ** "Redistribution and use in source and binary forms, with or without |
| ** modification, are permitted provided that the following conditions are |
| ** met: |
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| ** from this software without specific prior written permission. |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| #include "arthurstyle.h" |
| #include "arthurwidgets.h" |
| #include <QLayout> |
| #include <QPainter> |
| #include <QPainterPath> |
| #include <QPixmapCache> |
| #include <QRadioButton> |
| #include <QString> |
| #include <QStyleOption> |
| #include <QtDebug> |
| |
| QPixmap cached(const QString &img) |
| { |
| QPixmap pm; |
| if (QPixmapCache::find(img, &pm)) |
| return pm; |
| |
| pm = QPixmap::fromImage(QImage(img), Qt::OrderedDither | Qt::OrderedAlphaDither); |
| if (pm.isNull()) |
| return QPixmap(); |
| |
| QPixmapCache::insert(img, pm); |
| return pm; |
| } |
| |
| |
| ArthurStyle::ArthurStyle() |
| : QCommonStyle() |
| { |
| Q_INIT_RESOURCE(shared); |
| } |
| |
| |
| void ArthurStyle::drawHoverRect(QPainter *painter, const QRect &r) const |
| { |
| qreal h = r.height(); |
| qreal h2 = r.height() / qreal(2); |
| QPainterPath path; |
| path.addRect(r.x() + h2, r.y() + 0, r.width() - h2 * 2, r.height()); |
| path.addEllipse(r.x(), r.y(), h, h); |
| path.addEllipse(r.x() + r.width() - h, r.y(), h, h); |
| path.setFillRule(Qt::WindingFill); |
| painter->setPen(Qt::NoPen); |
| painter->setBrush(QColor(191, 215, 191)); |
| painter->setRenderHint(QPainter::Antialiasing); |
| painter->drawPath(path); |
| } |
| |
| |
| void ArthurStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *option, |
| QPainter *painter, const QWidget *widget) const |
| { |
| |
| Q_ASSERT(option); |
| switch (element) { |
| case PE_FrameFocusRect: |
| break; |
| |
| case PE_IndicatorRadioButton: |
| if (const QStyleOptionButton *button = qstyleoption_cast<const QStyleOptionButton *>(option)) { |
| bool hover = (button->state & State_Enabled) && (button->state & State_MouseOver); |
| painter->save(); |
| QPixmap radio; |
| if (hover) |
| drawHoverRect(painter, widget->rect()); |
| |
| if (button->state & State_Sunken) |
| radio = cached(":res/images/radiobutton-on.png"); |
| else if (button->state & State_On) |
| radio = cached(":res/images/radiobutton_on.png"); |
| else |
| radio = cached(":res/images/radiobutton_off.png"); |
| painter->drawPixmap(button->rect.topLeft(), radio); |
| |
| painter->restore(); |
| } |
| break; |
| |
| case PE_PanelButtonCommand: |
| if (const QStyleOptionButton *button = qstyleoption_cast<const QStyleOptionButton *>(option)) { |
| bool hover = (button->state & State_Enabled) && (button->state & State_MouseOver); |
| |
| painter->save(); |
| const QPushButton *pushButton = qobject_cast<const QPushButton *>(widget); |
| Q_ASSERT(pushButton); |
| QWidget *parent = pushButton->parentWidget(); |
| if (parent && qobject_cast<QGroupBox *>(parent)) { |
| QLinearGradient lg(0, 0, 0, parent->height()); |
| lg.setColorAt(0, QColor(224,224,224)); |
| lg.setColorAt(1, QColor(255,255,255)); |
| painter->setPen(Qt::NoPen); |
| painter->setBrush(lg); |
| painter->setBrushOrigin(-widget->mapToParent(QPoint(0,0))); |
| painter->drawRect(button->rect); |
| painter->setBrushOrigin(0,0); |
| } |
| |
| bool down = (button->state & State_Sunken) || (button->state & State_On); |
| |
| QPixmap left, right, mid; |
| if (down) { |
| left = cached(":res/images/button_pressed_cap_left.png"); |
| right = cached(":res/images/button_pressed_cap_right.png"); |
| mid = cached(":res/images/button_pressed_stretch.png"); |
| } else { |
| left = cached(":res/images/button_normal_cap_left.png"); |
| right = cached(":res/images/button_normal_cap_right.png"); |
| mid = cached(":res/images/button_normal_stretch.png"); |
| } |
| painter->drawPixmap(button->rect.topLeft(), left); |
| painter->drawTiledPixmap(QRect(button->rect.x() + left.width(), |
| button->rect.y(), |
| button->rect.width() - left.width() - right.width(), |
| left.height()), |
| mid); |
| painter->drawPixmap(button->rect.x() + button->rect.width() - right.width(), |
| button->rect.y(), |
| right); |
| if (hover) |
| painter->fillRect(widget->rect().adjusted(3,5,-3,-5), QColor(31,127,31,63)); |
| painter->restore(); |
| } |
| break; |
| |
| case PE_FrameGroupBox: |
| if (const QStyleOptionFrame *group |
| = qstyleoption_cast<const QStyleOptionFrame *>(option)) { |
| const QRect &r = group->rect; |
| |
| painter->save(); |
| int radius = 14; |
| int radius2 = radius*2; |
| QPainterPath clipPath; |
| clipPath.moveTo(radius, 0); |
| clipPath.arcTo(r.right() - radius2, 0, radius2, radius2, 90, -90); |
| clipPath.arcTo(r.right() - radius2, r.bottom() - radius2, radius2, radius2, 0, -90); |
| clipPath.arcTo(r.left(), r.bottom() - radius2, radius2, radius2, 270, -90); |
| clipPath.arcTo(r.left(), r.top(), radius2, radius2, 180, -90); |
| painter->setClipPath(clipPath); |
| QPixmap titleStretch = cached(":res/images/title_stretch.png"); |
| QPixmap topLeft = cached(":res/images/groupframe_topleft.png"); |
| QPixmap topRight = cached(":res/images/groupframe_topright.png"); |
| QPixmap bottomLeft = cached(":res/images/groupframe_bottom_left.png"); |
| QPixmap bottomRight = cached(":res/images/groupframe_bottom_right.png"); |
| QPixmap leftStretch = cached(":res/images/groupframe_left_stretch.png"); |
| QPixmap topStretch = cached(":res/images/groupframe_top_stretch.png"); |
| QPixmap rightStretch = cached(":res/images/groupframe_right_stretch.png"); |
| QPixmap bottomStretch = cached(":res/images/groupframe_bottom_stretch.png"); |
| QLinearGradient lg(0, 0, 0, r.height()); |
| lg.setColorAt(0, QColor(224,224,224)); |
| lg.setColorAt(1, QColor(255,255,255)); |
| painter->setPen(Qt::NoPen); |
| painter->setBrush(lg); |
| painter->drawRect(r.adjusted(0, titleStretch.height()/2, 0, 0)); |
| painter->setClipping(false); |
| |
| int topFrameOffset = titleStretch.height()/2 - 2; |
| painter->drawPixmap(r.topLeft() + QPoint(0, topFrameOffset), topLeft); |
| painter->drawPixmap(r.topRight() - QPoint(topRight.width()-1, 0) |
| + QPoint(0, topFrameOffset), topRight); |
| painter->drawPixmap(r.bottomLeft() - QPoint(0, bottomLeft.height()-1), bottomLeft); |
| painter->drawPixmap(r.bottomRight() - QPoint(bottomRight.width()-1, |
| bottomRight.height()-1), bottomRight); |
| |
| QRect left = r; |
| left.setY(r.y() + topLeft.height() + topFrameOffset); |
| left.setWidth(leftStretch.width()); |
| left.setHeight(r.height() - topLeft.height() - bottomLeft.height() - topFrameOffset); |
| painter->drawTiledPixmap(left, leftStretch); |
| |
| QRect top = r; |
| top.setX(r.x() + topLeft.width()); |
| top.setY(r.y() + topFrameOffset); |
| top.setWidth(r.width() - topLeft.width() - topRight.width()); |
| top.setHeight(topLeft.height()); |
| painter->drawTiledPixmap(top, topStretch); |
| |
| QRect right = r; |
| right.setX(r.right() - rightStretch.width()+1); |
| right.setY(r.y() + topRight.height() + topFrameOffset); |
| right.setWidth(rightStretch.width()); |
| right.setHeight(r.height() - topRight.height() |
| - bottomRight.height() - topFrameOffset); |
| painter->drawTiledPixmap(right, rightStretch); |
| |
| QRect bottom = r; |
| bottom.setX(r.x() + bottomLeft.width()); |
| bottom.setY(r.bottom() - bottomStretch.height()+1); |
| bottom.setWidth(r.width() - bottomLeft.width() - bottomRight.width()); |
| bottom.setHeight(bottomLeft.height()); |
| painter->drawTiledPixmap(bottom, bottomStretch); |
| painter->restore(); |
| } |
| break; |
| |
| default: |
| QCommonStyle::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; |
| QCommonStyle::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.horizontalAdvance(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: |
| QCommonStyle::drawComplexControl(control, option, painter, widget); |
| break; |
| } |
| return; |
| } |
| |
| void ArthurStyle::drawControl(QStyle::ControlElement element, const QStyleOption *option, |
| QPainter *painter, const QWidget *widget) const |
| { |
| switch (element) { |
| case CE_RadioButtonLabel: |
| if (const QStyleOptionButton *button |
| = qstyleoption_cast<const QStyleOptionButton *>(option)) { |
| |
| if (button->text.isEmpty()) { |
| QCommonStyle::drawControl(element, option, painter, widget); |
| } else { |
| painter->save(); |
| painter->setPen(Qt::black); |
| painter->drawText(button->rect, Qt::AlignVCenter, button->text); |
| painter->restore(); |
| } |
| } |
| break; |
| case CE_PushButtonLabel: |
| if (const QStyleOptionButton *button |
| = qstyleoption_cast<const QStyleOptionButton *>(option)) { |
| |
| if (button->text.isEmpty()) { |
| QCommonStyle::drawControl(element, option, painter, widget); |
| } else { |
| painter->save(); |
| painter->setPen(Qt::black); |
| painter->drawText(button->rect, Qt::AlignVCenter | Qt::AlignHCenter, button->text); |
| painter->restore(); |
| } |
| } |
| break; |
| default: |
| QCommonStyle::drawControl(element, option, painter, widget); |
| break; |
| } |
| } |
| |
| QRect ArthurStyle::subControlRect(ComplexControl control, const QStyleOptionComplex *option, |
| SubControl subControl, const QWidget *widget) const |
| { |
| QRect rect; |
| |
| switch (control) { |
| default: |
| rect = QCommonStyle::subControlRect(control, option, subControl, widget); |
| break; |
| case CC_GroupBox: |
| if (const QStyleOptionGroupBox *group |
| = qstyleoption_cast<const QStyleOptionGroupBox *>(option)) { |
| switch (subControl) { |
| default: |
| rect = QCommonStyle::subControlRect(control, option, subControl, widget); |
| break; |
| case SC_GroupBoxContents: |
| rect = QCommonStyle::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.horizontalAdvance(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 = QCommonStyle::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 QCommonStyle::pixelMetric(pm, opt, widget); |
| } |
| |
| void ArthurStyle::polish(QWidget *widget) |
| { |
| if (widget->layout() && qobject_cast<QGroupBox *>(widget)) { |
| if (widget->findChildren<QGroupBox *>().size() == 0) { |
| widget->layout()->setSpacing(0); |
| widget->layout()->setContentsMargins(12, 12, 12, 12); |
| } else { |
| widget->layout()->setContentsMargins(13, 13, 13, 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::Window, 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::Window, 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 = QCommonStyle::subElementRect(element, option, widget); |
| break; |
| } |
| |
| if (qobject_cast<const QRadioButton*>(widget)) |
| r = r.adjusted(5, 0, -5, 0); |
| |
| return r; |
| } |