--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/shared/arthurstyle.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,452 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@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;
+}