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/*
* Copyright (C) 2023, KylinSoft Co., Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
**/
#include "radioproxystyle.h"
#include <QStyleOptionComplex>
#include <QDebug>
#include <QBitmap>
#include <QPainter>
#include <QPixmap>
RadioProxystyle::RadioProxystyle(const QColor &color, QStyle *style) : mColor(color), QProxyStyle(style)
{
}
int RadioProxystyle::pixelMetric(QStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
{
switch (metric) {
case PM_ExclusiveIndicatorHeight:
return 24;
case PM_ExclusiveIndicatorWidth:
return 24;
default:
break;
}
return QProxyStyle::pixelMetric(metric, option, widget);
}
void RadioProxystyle::drawControl(QStyle::ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
{
switch (element) {
case CE_RadioButton:
{
if (const QStyleOptionButton *button = qstyleoption_cast<const QStyleOptionButton *>(option)) {
QStyleOptionButton subopt = *button;
subopt.rect = proxy()->subElementRect(SE_RadioButtonIndicator, option, widget);
proxy()->drawPrimitive(PE_IndicatorRadioButton, &subopt, painter, widget);
subopt.rect = proxy()->subElementRect(SE_RadioButtonContents, option, widget);
proxy()->drawControl(CE_RadioButtonLabel, &subopt, painter, widget);
return;
}
break;
}
default:
{
}break;
}
QProxyStyle::drawControl(element, option, painter, widget);
}
void RadioProxystyle::drawPrimitive(QStyle::PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
{
switch (element) {
case PE_IndicatorRadioButton:
{
if (const QStyleOptionButton* radiobutton = qstyleoption_cast<const QStyleOptionButton*>(option)) {
QRectF rect = radiobutton->rect.adjusted(1, 1, -1, -1);
bool on = radiobutton->state & State_On;
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setPen(mColor);
painter->setBrush(mColor);
painter->drawEllipse(rect);
if (on) {
QRectF childRect(rect.x(), rect.y(), (rect.width() / 2) - 2, (rect.height() / 2) - 2);
childRect.moveCenter(rect.center());
painter->setPen(Qt::NoPen);
painter->setBrush(radiobutton->palette.brush(QPalette::Active, QPalette::HighlightedText));
painter->drawEllipse(childRect);
}
painter->restore();
return;
}
break;
}
default:
{
}break;
}
QProxyStyle::drawPrimitive(element, option, painter, widget);
}
QRect RadioProxystyle::subElementRect(QStyle::SubElement element, const QStyleOption *option, const QWidget *widget) const
{
switch (element) {
case SE_RadioButtonIndicator:
{
QRect rect;
int h = proxy()->pixelMetric(PM_ExclusiveIndicatorHeight, option, widget);
rect.setRect(option->rect.x(), option->rect.y() + ((option->rect.height() - h) / 2),
proxy()->pixelMetric(PM_ExclusiveIndicatorWidth, option, widget), h);
rect = visualRect(option->direction, option->rect, rect);
return rect;
}
case SE_RadioButtonClickRect:
{
return proxy()->subElementRect(SE_RadioButtonIndicator, option, widget);
}
default:
{
}break;
}
return QProxyStyle::subElementRect(element, option, widget);
}
QSize RadioProxystyle::sizeFromContents(QStyle::ContentsType element, const QStyleOption *option, const QSize &size, const QWidget *widget) const
{
QSize newSize = size;
switch (element) {
case CT_RadioButton:
{
if (const QStyleOptionButton *button = qstyleoption_cast<const QStyleOptionButton *>(option)) {
int w = proxy()->pixelMetric(PM_ExclusiveIndicatorWidth, option, widget);
int h = proxy()->pixelMetric(PM_ExclusiveIndicatorHeight, option, widget);
int spacing = proxy()->pixelMetric(PM_RadioButtonLabelSpacing, option, widget);
if (!button->icon.isNull())
spacing += 4;
newSize.setWidth(newSize.width() + w + spacing);
newSize.setHeight(qMax(qMax(newSize.height(), h), 36));
return newSize;
}
break;
}
default:
{
}break;
}
return QProxyStyle::sizeFromContents(element, option, size, widget);
}
RadioProxystyle::~RadioProxystyle()
{
}
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