5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 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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** Contact: http://www.qt-project.org/
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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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**
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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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