--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/widgets/styles/norwegianwoodstyle.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,331 @@
+/****************************************************************************
+**
+** 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 examples 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 <QtGui>
+
+#include "norwegianwoodstyle.h"
+
+//! [0]
+void NorwegianWoodStyle::polish(QPalette &palette)
+{
+ QColor brown(212, 140, 95);
+ QColor beige(236, 182, 120);
+ QColor slightlyOpaqueBlack(0, 0, 0, 63);
+
+ QPixmap backgroundImage(":/images/woodbackground.png");
+ QPixmap buttonImage(":/images/woodbutton.png");
+ QPixmap midImage = buttonImage;
+
+ QPainter painter;
+ painter.begin(&midImage);
+ painter.setPen(Qt::NoPen);
+ painter.fillRect(midImage.rect(), slightlyOpaqueBlack);
+ painter.end();
+//! [0]
+
+//! [1]
+ palette = QPalette(brown);
+
+ palette.setBrush(QPalette::BrightText, Qt::white);
+ palette.setBrush(QPalette::Base, beige);
+ palette.setBrush(QPalette::Highlight, Qt::darkGreen);
+ setTexture(palette, QPalette::Button, buttonImage);
+ setTexture(palette, QPalette::Mid, midImage);
+ setTexture(palette, QPalette::Window, backgroundImage);
+
+ QBrush brush = palette.background();
+ brush.setColor(brush.color().dark());
+
+ palette.setBrush(QPalette::Disabled, QPalette::WindowText, brush);
+ palette.setBrush(QPalette::Disabled, QPalette::Text, brush);
+ palette.setBrush(QPalette::Disabled, QPalette::ButtonText, brush);
+ palette.setBrush(QPalette::Disabled, QPalette::Base, brush);
+ palette.setBrush(QPalette::Disabled, QPalette::Button, brush);
+ palette.setBrush(QPalette::Disabled, QPalette::Mid, brush);
+}
+//! [1]
+
+//! [3]
+void NorwegianWoodStyle::polish(QWidget *widget)
+//! [3] //! [4]
+{
+ if (qobject_cast<QPushButton *>(widget)
+ || qobject_cast<QComboBox *>(widget))
+ widget->setAttribute(Qt::WA_Hover, true);
+}
+//! [4]
+
+//! [5]
+void NorwegianWoodStyle::unpolish(QWidget *widget)
+//! [5] //! [6]
+{
+ if (qobject_cast<QPushButton *>(widget)
+ || qobject_cast<QComboBox *>(widget))
+ widget->setAttribute(Qt::WA_Hover, false);
+}
+//! [6]
+
+//! [7]
+int NorwegianWoodStyle::pixelMetric(PixelMetric metric,
+//! [7] //! [8]
+ const QStyleOption *option,
+ const QWidget *widget) const
+{
+ switch (metric) {
+ case PM_ComboBoxFrameWidth:
+ return 8;
+ case PM_ScrollBarExtent:
+ return QMotifStyle::pixelMetric(metric, option, widget) + 4;
+ default:
+ return QMotifStyle::pixelMetric(metric, option, widget);
+ }
+}
+//! [8]
+
+//! [9]
+int NorwegianWoodStyle::styleHint(StyleHint hint, const QStyleOption *option,
+//! [9] //! [10]
+ const QWidget *widget,
+ QStyleHintReturn *returnData) const
+{
+ switch (hint) {
+ case SH_DitherDisabledText:
+ return int(false);
+ case SH_EtchDisabledText:
+ return int(true);
+ default:
+ return QMotifStyle::styleHint(hint, option, widget, returnData);
+ }
+}
+//! [10]
+
+//! [11]
+void NorwegianWoodStyle::drawPrimitive(PrimitiveElement element,
+//! [11] //! [12]
+ const QStyleOption *option,
+ QPainter *painter,
+ const QWidget *widget) const
+{
+ switch (element) {
+ case PE_PanelButtonCommand:
+ {
+ int delta = (option->state & State_MouseOver) ? 64 : 0;
+ QColor slightlyOpaqueBlack(0, 0, 0, 63);
+ QColor semiTransparentWhite(255, 255, 255, 127 + delta);
+ QColor semiTransparentBlack(0, 0, 0, 127 - delta);
+
+ int x, y, width, height;
+ option->rect.getRect(&x, &y, &width, &height);
+//! [12]
+
+//! [13]
+ QPainterPath roundRect = roundRectPath(option->rect);
+//! [13] //! [14]
+ int radius = qMin(width, height) / 2;
+//! [14]
+
+//! [15]
+ QBrush brush;
+//! [15] //! [16]
+ bool darker;
+
+ const QStyleOptionButton *buttonOption =
+ qstyleoption_cast<const QStyleOptionButton *>(option);
+ if (buttonOption
+ && (buttonOption->features & QStyleOptionButton::Flat)) {
+ brush = option->palette.background();
+ darker = (option->state & (State_Sunken | State_On));
+ } else {
+ if (option->state & (State_Sunken | State_On)) {
+ brush = option->palette.mid();
+ darker = !(option->state & State_Sunken);
+ } else {
+ brush = option->palette.button();
+ darker = false;
+//! [16] //! [17]
+ }
+//! [17] //! [18]
+ }
+//! [18]
+
+//! [19]
+ painter->save();
+//! [19] //! [20]
+ painter->setRenderHint(QPainter::Antialiasing, true);
+//! [20] //! [21]
+ painter->fillPath(roundRect, brush);
+//! [21] //! [22]
+ if (darker)
+//! [22] //! [23]
+ painter->fillPath(roundRect, slightlyOpaqueBlack);
+//! [23]
+
+//! [24]
+ int penWidth;
+//! [24] //! [25]
+ if (radius < 10)
+ penWidth = 3;
+ else if (radius < 20)
+ penWidth = 5;
+ else
+ penWidth = 7;
+
+ QPen topPen(semiTransparentWhite, penWidth);
+ QPen bottomPen(semiTransparentBlack, penWidth);
+
+ if (option->state & (State_Sunken | State_On))
+ qSwap(topPen, bottomPen);
+//! [25]
+
+//! [26]
+ int x1 = x;
+ int x2 = x + radius;
+ int x3 = x + width - radius;
+ int x4 = x + width;
+
+ if (option->direction == Qt::RightToLeft) {
+ qSwap(x1, x4);
+ qSwap(x2, x3);
+ }
+
+ QPolygon topHalf;
+ topHalf << QPoint(x1, y)
+ << QPoint(x4, y)
+ << QPoint(x3, y + radius)
+ << QPoint(x2, y + height - radius)
+ << QPoint(x1, y + height);
+
+ painter->setClipPath(roundRect);
+ painter->setClipRegion(topHalf, Qt::IntersectClip);
+ painter->setPen(topPen);
+ painter->drawPath(roundRect);
+//! [26] //! [32]
+
+ QPolygon bottomHalf = topHalf;
+ bottomHalf[0] = QPoint(x4, y + height);
+
+ painter->setClipPath(roundRect);
+ painter->setClipRegion(bottomHalf, Qt::IntersectClip);
+ painter->setPen(bottomPen);
+ painter->drawPath(roundRect);
+
+ painter->setPen(option->palette.foreground().color());
+ painter->setClipping(false);
+ painter->drawPath(roundRect);
+
+ painter->restore();
+ }
+ break;
+//! [32] //! [33]
+ default:
+//! [33] //! [34]
+ QMotifStyle::drawPrimitive(element, option, painter, widget);
+ }
+}
+//! [34]
+
+//! [35]
+void NorwegianWoodStyle::drawControl(ControlElement element,
+//! [35] //! [36]
+ const QStyleOption *option,
+ QPainter *painter,
+ const QWidget *widget) const
+{
+ switch (element) {
+ case CE_PushButtonLabel:
+ {
+ QStyleOptionButton myButtonOption;
+ const QStyleOptionButton *buttonOption =
+ qstyleoption_cast<const QStyleOptionButton *>(option);
+ if (buttonOption) {
+ myButtonOption = *buttonOption;
+ if (myButtonOption.palette.currentColorGroup()
+ != QPalette::Disabled) {
+ if (myButtonOption.state & (State_Sunken | State_On)) {
+ myButtonOption.palette.setBrush(QPalette::ButtonText,
+ myButtonOption.palette.brightText());
+ }
+ }
+ }
+ QMotifStyle::drawControl(element, &myButtonOption, painter, widget);
+ }
+ break;
+ default:
+ QMotifStyle::drawControl(element, option, painter, widget);
+ }
+}
+//! [36]
+
+//! [37]
+void NorwegianWoodStyle::setTexture(QPalette &palette, QPalette::ColorRole role,
+//! [37] //! [38]
+ const QPixmap &pixmap)
+{
+ for (int i = 0; i < QPalette::NColorGroups; ++i) {
+ QColor color = palette.brush(QPalette::ColorGroup(i), role).color();
+ palette.setBrush(QPalette::ColorGroup(i), role, QBrush(color, pixmap));
+ }
+}
+//! [38]
+
+//! [39]
+QPainterPath NorwegianWoodStyle::roundRectPath(const QRect &rect)
+//! [39] //! [40]
+{
+ int radius = qMin(rect.width(), rect.height()) / 2;
+ int diam = 2 * radius;
+
+ int x1, y1, x2, y2;
+ rect.getCoords(&x1, &y1, &x2, &y2);
+
+ QPainterPath path;
+ path.moveTo(x2, y1 + radius);
+ path.arcTo(QRect(x2 - diam, y1, diam, diam), 0.0, +90.0);
+ path.lineTo(x1 + radius, y1);
+ path.arcTo(QRect(x1, y1, diam, diam), 90.0, +90.0);
+ path.lineTo(x1, y2 - radius);
+ path.arcTo(QRect(x1, y2 - diam, diam, diam), 180.0, +90.0);
+ path.lineTo(x1 + radius, y2);
+ path.arcTo(QRect(x2 - diam, y2 - diam, diam, diam), 270.0, +90.0);
+ path.closeSubpath();
+ return path;
+}
+//! [40]