1fdfc2abfe
Change-Id: I02f2c620296fcd91d4967d58767ea33fc4e1e7dc Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
331 lines
11 KiB
C++
331 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include "norwegianwoodstyle.h"
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//! [0]
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void NorwegianWoodStyle::polish(QPalette &palette)
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{
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QColor brown(212, 140, 95);
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QColor beige(236, 182, 120);
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QColor slightlyOpaqueBlack(0, 0, 0, 63);
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QPixmap backgroundImage(":/images/woodbackground.png");
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QPixmap buttonImage(":/images/woodbutton.png");
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QPixmap midImage = buttonImage;
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QPainter painter;
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painter.begin(&midImage);
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painter.setPen(Qt::NoPen);
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painter.fillRect(midImage.rect(), slightlyOpaqueBlack);
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painter.end();
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//! [0]
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//! [1]
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palette = QPalette(brown);
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palette.setBrush(QPalette::BrightText, Qt::white);
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palette.setBrush(QPalette::Base, beige);
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palette.setBrush(QPalette::Highlight, Qt::darkGreen);
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setTexture(palette, QPalette::Button, buttonImage);
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setTexture(palette, QPalette::Mid, midImage);
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setTexture(palette, QPalette::Window, backgroundImage);
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QBrush brush = palette.background();
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brush.setColor(brush.color().dark());
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palette.setBrush(QPalette::Disabled, QPalette::WindowText, brush);
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palette.setBrush(QPalette::Disabled, QPalette::Text, brush);
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palette.setBrush(QPalette::Disabled, QPalette::ButtonText, brush);
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palette.setBrush(QPalette::Disabled, QPalette::Base, brush);
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palette.setBrush(QPalette::Disabled, QPalette::Button, brush);
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palette.setBrush(QPalette::Disabled, QPalette::Mid, brush);
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}
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//! [1]
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//! [3]
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void NorwegianWoodStyle::polish(QWidget *widget)
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//! [3] //! [4]
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{
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if (qobject_cast<QPushButton *>(widget)
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|| qobject_cast<QComboBox *>(widget))
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widget->setAttribute(Qt::WA_Hover, true);
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}
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//! [4]
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//! [5]
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void NorwegianWoodStyle::unpolish(QWidget *widget)
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//! [5] //! [6]
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{
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if (qobject_cast<QPushButton *>(widget)
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|| qobject_cast<QComboBox *>(widget))
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widget->setAttribute(Qt::WA_Hover, false);
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}
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//! [6]
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//! [7]
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int NorwegianWoodStyle::pixelMetric(PixelMetric metric,
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//! [7] //! [8]
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const QStyleOption *option,
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const QWidget *widget) const
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{
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switch (metric) {
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case PM_ComboBoxFrameWidth:
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return 8;
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case PM_ScrollBarExtent:
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return QMotifStyle::pixelMetric(metric, option, widget) + 4;
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default:
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return QMotifStyle::pixelMetric(metric, option, widget);
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}
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}
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//! [8]
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//! [9]
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int NorwegianWoodStyle::styleHint(StyleHint hint, const QStyleOption *option,
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//! [9] //! [10]
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const QWidget *widget,
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QStyleHintReturn *returnData) const
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{
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switch (hint) {
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case SH_DitherDisabledText:
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return int(false);
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case SH_EtchDisabledText:
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return int(true);
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default:
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return QMotifStyle::styleHint(hint, option, widget, returnData);
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}
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}
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//! [10]
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//! [11]
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void NorwegianWoodStyle::drawPrimitive(PrimitiveElement element,
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//! [11] //! [12]
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const QStyleOption *option,
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QPainter *painter,
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const QWidget *widget) const
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{
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switch (element) {
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case PE_PanelButtonCommand:
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{
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int delta = (option->state & State_MouseOver) ? 64 : 0;
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QColor slightlyOpaqueBlack(0, 0, 0, 63);
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QColor semiTransparentWhite(255, 255, 255, 127 + delta);
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QColor semiTransparentBlack(0, 0, 0, 127 - delta);
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int x, y, width, height;
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option->rect.getRect(&x, &y, &width, &height);
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//! [12]
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//! [13]
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QPainterPath roundRect = roundRectPath(option->rect);
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//! [13] //! [14]
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int radius = qMin(width, height) / 2;
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//! [14]
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//! [15]
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QBrush brush;
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//! [15] //! [16]
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bool darker;
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const QStyleOptionButton *buttonOption =
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qstyleoption_cast<const QStyleOptionButton *>(option);
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if (buttonOption
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&& (buttonOption->features & QStyleOptionButton::Flat)) {
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brush = option->palette.background();
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darker = (option->state & (State_Sunken | State_On));
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} else {
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if (option->state & (State_Sunken | State_On)) {
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brush = option->palette.mid();
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darker = !(option->state & State_Sunken);
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} else {
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brush = option->palette.button();
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darker = false;
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//! [16] //! [17]
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}
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//! [17] //! [18]
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}
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//! [18]
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//! [19]
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painter->save();
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//! [19] //! [20]
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painter->setRenderHint(QPainter::Antialiasing, true);
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//! [20] //! [21]
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painter->fillPath(roundRect, brush);
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//! [21] //! [22]
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if (darker)
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//! [22] //! [23]
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painter->fillPath(roundRect, slightlyOpaqueBlack);
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//! [23]
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//! [24]
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int penWidth;
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//! [24] //! [25]
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if (radius < 10)
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penWidth = 3;
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else if (radius < 20)
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penWidth = 5;
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else
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penWidth = 7;
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QPen topPen(semiTransparentWhite, penWidth);
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QPen bottomPen(semiTransparentBlack, penWidth);
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if (option->state & (State_Sunken | State_On))
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qSwap(topPen, bottomPen);
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//! [25]
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//! [26]
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int x1 = x;
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int x2 = x + radius;
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int x3 = x + width - radius;
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int x4 = x + width;
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if (option->direction == Qt::RightToLeft) {
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qSwap(x1, x4);
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qSwap(x2, x3);
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}
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QPolygon topHalf;
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topHalf << QPoint(x1, y)
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<< QPoint(x4, y)
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<< QPoint(x3, y + radius)
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<< QPoint(x2, y + height - radius)
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<< QPoint(x1, y + height);
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painter->setClipPath(roundRect);
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painter->setClipRegion(topHalf, Qt::IntersectClip);
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painter->setPen(topPen);
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painter->drawPath(roundRect);
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//! [26] //! [32]
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QPolygon bottomHalf = topHalf;
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bottomHalf[0] = QPoint(x4, y + height);
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painter->setClipPath(roundRect);
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painter->setClipRegion(bottomHalf, Qt::IntersectClip);
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painter->setPen(bottomPen);
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painter->drawPath(roundRect);
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painter->setPen(option->palette.foreground().color());
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painter->setClipping(false);
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painter->drawPath(roundRect);
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painter->restore();
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}
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break;
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//! [32] //! [33]
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default:
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//! [33] //! [34]
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QMotifStyle::drawPrimitive(element, option, painter, widget);
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}
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}
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//! [34]
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//! [35]
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void NorwegianWoodStyle::drawControl(ControlElement element,
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//! [35] //! [36]
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const QStyleOption *option,
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QPainter *painter,
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const QWidget *widget) const
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{
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switch (element) {
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case CE_PushButtonLabel:
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{
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QStyleOptionButton myButtonOption;
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const QStyleOptionButton *buttonOption =
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qstyleoption_cast<const QStyleOptionButton *>(option);
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if (buttonOption) {
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myButtonOption = *buttonOption;
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if (myButtonOption.palette.currentColorGroup()
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!= QPalette::Disabled) {
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if (myButtonOption.state & (State_Sunken | State_On)) {
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myButtonOption.palette.setBrush(QPalette::ButtonText,
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myButtonOption.palette.brightText());
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}
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}
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}
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QMotifStyle::drawControl(element, &myButtonOption, painter, widget);
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}
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break;
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default:
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QMotifStyle::drawControl(element, option, painter, widget);
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}
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}
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//! [36]
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//! [37]
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void NorwegianWoodStyle::setTexture(QPalette &palette, QPalette::ColorRole role,
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//! [37] //! [38]
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const QPixmap &pixmap)
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{
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for (int i = 0; i < QPalette::NColorGroups; ++i) {
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QColor color = palette.brush(QPalette::ColorGroup(i), role).color();
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palette.setBrush(QPalette::ColorGroup(i), role, QBrush(color, pixmap));
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}
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}
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//! [38]
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//! [39]
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QPainterPath NorwegianWoodStyle::roundRectPath(const QRect &rect)
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//! [39] //! [40]
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{
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int radius = qMin(rect.width(), rect.height()) / 2;
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int diam = 2 * radius;
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int x1, y1, x2, y2;
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rect.getCoords(&x1, &y1, &x2, &y2);
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QPainterPath path;
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path.moveTo(x2, y1 + radius);
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path.arcTo(QRect(x2 - diam, y1, diam, diam), 0.0, +90.0);
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path.lineTo(x1 + radius, y1);
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path.arcTo(QRect(x1, y1, diam, diam), 90.0, +90.0);
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path.lineTo(x1, y2 - radius);
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path.arcTo(QRect(x1, y2 - diam, diam, diam), 180.0, +90.0);
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path.lineTo(x1 + radius, y2);
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path.arcTo(QRect(x2 - diam, y2 - diam, diam, diam), 270.0, +90.0);
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path.closeSubpath();
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return path;
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}
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//! [40]
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