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Diffstat (limited to 'demos/shared/arthurstyle.cpp')
| -rw-r--r-- | demos/shared/arthurstyle.cpp | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/demos/shared/arthurstyle.cpp b/demos/shared/arthurstyle.cpp new file mode 100644 index 0000000..846d2f3 --- /dev/null +++ b/demos/shared/arthurstyle.cpp @@ -0,0 +1,452 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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) +{ + if (QPixmap *p = QPixmapCache::find(img)) + return *p; + + QPixmap pm; + pm = QPixmap::fromImage(QImage(img), Qt::OrderedDither | Qt::OrderedAlphaDither); + if (pm.isNull()) + return QPixmap(); + + QPixmapCache::insert(img, pm); + return pm; +} + + +ArthurStyle::ArthurStyle() + : QWindowsStyle() +{ + 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 QStyleOptionFrameV2 *group + = qstyleoption_cast<const QStyleOptionFrameV2 *>(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: + 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; +} |