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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 "themewidget.h"
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QLabel>
#include <QPainter>
#include <QStyleOption>
#include <QDebug>
ThemeWidget::ThemeWidget(QSize iSize, QString name, QStringList iStringList, QWidget *parent) :
QFrame(parent)
{
setFixedHeight(66);
setMinimumWidth(550);
setAttribute(Qt::WA_DeleteOnClose);
setFrameShape(QFrame::NoFrame);
pValue = "";
QHBoxLayout * mainHorLayout = new QHBoxLayout(this);
mainHorLayout->setSpacing(16);
mainHorLayout->setContentsMargins(16, 0, 16, 0);
//占位Label，解决隐藏选中图标后文字Label位置的变化
placeHolderLabel = new QLabel(this);
QSizePolicy phSizePolicy = placeHolderLabel->sizePolicy();
phSizePolicy.setHorizontalPolicy(QSizePolicy::Fixed);
phSizePolicy.setVerticalPolicy(QSizePolicy::Fixed);
placeHolderLabel->setSizePolicy(phSizePolicy);
placeHolderLabel->setFixedSize(QSize(16, 16)); //选中图标的大小为16*16
selectedLabel = new QLabel(this);
QSizePolicy sSizePolicy = selectedLabel->sizePolicy();
sSizePolicy.setHorizontalPolicy(QSizePolicy::Fixed);
sSizePolicy.setVerticalPolicy(QSizePolicy::Fixed);
selectedLabel->setSizePolicy(sSizePolicy);
selectedLabel->setScaledContents(true);
QIcon selectIcon = QIcon::fromTheme("ukui-selected");
selectedLabel->setPixmap(selectIcon.pixmap(selectIcon.actualSize(QSize(16, 16))));
const QByteArray id(THEME_QT_SCHEMA);
QGSettings *mQtSettings = new QGSettings(id, QByteArray(), this);
connect(mQtSettings, &QGSettings::changed, this, [=](QString key) {
if (key == "iconThemeName")
selectedLabel->setPixmap(selectIcon.pixmap(selectIcon.actualSize(QSize(16, 16))));
});
FixLabel * nameLabel = new FixLabel(this);
QSizePolicy nameSizePolicy = nameLabel->sizePolicy();
nameSizePolicy.setHorizontalPolicy(QSizePolicy::Fixed);
nameSizePolicy.setVerticalPolicy(QSizePolicy::Fixed);
nameLabel->setSizePolicy(nameSizePolicy);
nameLabel->setMinimumWidth(130);
nameLabel->setText(name);
QHBoxLayout * iconHorLayout = new QHBoxLayout;
iconHorLayout->setSpacing(16);
iconHorLayout->setMargin(0);
for (QString icon : iStringList){
QLabel * label = new QLabel(this);
label->setFixedSize(iSize);
label->setPixmap(pixmapToRound(icon, iSize));
// label->setPixmap(QPixmap(icon));
iconHorLayout->addWidget(label);
}
mainHorLayout->addWidget(nameLabel);
mainHorLayout->addSpacerItem(new QSpacerItem(38,20));
mainHorLayout->addLayout(iconHorLayout);
mainHorLayout->addStretch(2);
mainHorLayout->addWidget(placeHolderLabel);
mainHorLayout->addWidget(selectedLabel);
setLayout(mainHorLayout);
}
ThemeWidget::ThemeWidget(QSize iSize, QString name, const QList<QPixmap> &listMap, QWidget *parent) :
QFrame(parent)
{
setFixedHeight(66);
setMinimumWidth(550);
setAttribute(Qt::WA_DeleteOnClose);
setFrameShape(QFrame::NoFrame);
pValue = "";
QHBoxLayout * mainHorLayout = new QHBoxLayout(this);
mainHorLayout->setSpacing(16);
mainHorLayout->setContentsMargins(16, 0, 16, 0);
//占位Label，解决隐藏选中图标后文字Label位置的变化
placeHolderLabel = new QLabel(this);
QSizePolicy phSizePolicy = placeHolderLabel->sizePolicy();
phSizePolicy.setHorizontalPolicy(QSizePolicy::Fixed);
phSizePolicy.setVerticalPolicy(QSizePolicy::Fixed);
placeHolderLabel->setSizePolicy(phSizePolicy);
placeHolderLabel->setFixedSize(QSize(16, 16)); //选中图标的大小为16*16
selectedLabel = new QLabel(this);
QSizePolicy sSizePolicy = selectedLabel->sizePolicy();
sSizePolicy.setHorizontalPolicy(QSizePolicy::Fixed);
sSizePolicy.setVerticalPolicy(QSizePolicy::Fixed);
selectedLabel->setSizePolicy(sSizePolicy);
selectedLabel->setScaledContents(true);
QIcon selectIcon = QIcon::fromTheme("ukui-selected");
selectedLabel->setPixmap(selectIcon.pixmap(selectIcon.actualSize(QSize(16, 16))));
const QByteArray id(THEME_QT_SCHEMA);
QGSettings *mQtSettings = new QGSettings(id, QByteArray(), this);
connect(mQtSettings, &QGSettings::changed, this, [=](QString key) {
if (key == "iconThemeName")
selectedLabel->setPixmap(selectIcon.pixmap(selectIcon.actualSize(QSize(16, 16))));
});
FixLabel * nameLabel = new FixLabel(this);
QSizePolicy nameSizePolicy = nameLabel->sizePolicy();
nameSizePolicy.setHorizontalPolicy(QSizePolicy::Preferred);
nameSizePolicy.setVerticalPolicy(QSizePolicy::Fixed);
nameLabel->setSizePolicy(nameSizePolicy);
nameLabel->setMinimumWidth(130);
nameLabel->setText(name);
QHBoxLayout * iconHorLayout = new QHBoxLayout;
iconHorLayout->setSpacing(25);
iconHorLayout->setMargin(0);
for (QPixmap icon : listMap){
QLabel * label = new QLabel(this);
label->setFixedSize(iSize);
if (devicePixelRatioF() != 1) {
label->setPixmap(pixmapToRound(icon, iSize));
} else {
label->setPixmap(icon);
}
iconHorLayout->addWidget(label);
}
mainHorLayout->addWidget(nameLabel);
mainHorLayout->addSpacerItem(new QSpacerItem(38,20));
mainHorLayout->addLayout(iconHorLayout);
mainHorLayout->addStretch(2);
mainHorLayout->addWidget(placeHolderLabel);
mainHorLayout->addWidget(selectedLabel);
setLayout(mainHorLayout);
}
ThemeWidget::~ThemeWidget()
{
}
void ThemeWidget::setSelectedStatus(bool status){
placeHolderLabel->setVisible(!status);
selectedLabel->setVisible(status);
}
void ThemeWidget::setValue(QString value){
pValue = value;
}
//新增函数，规避分数缩放锯齿形
QPixmap ThemeWidget::pixmapToRound(const QString &filePath, const QSize &scaledSize)
{
QPixmap pixmap(filePath);
qreal dpi = devicePixelRatioF();
QSize realSize = scaledSize * dpi;
QPixmap resultPixmap(realSize);
resultPixmap.fill(Qt::transparent);
QPainter painter(&resultPixmap);
painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
//画圆
// QPainterPath path;
// path.addEllipse(0, 0, realSize.width(), realSize.height());
// painter.setClipPath(path);
QPoint drawLeftTop(0, 0);
QSize drawSize = realSize;
drawSize.setWidth(realSize.width());
drawSize.setHeight(realSize.width() * scaledSize.height() / scaledSize.width());
drawLeftTop.setX(0);
drawLeftTop.setY((realSize.height() - drawSize.height()) / 2);
// scaled draw
painter.drawPixmap(drawLeftTop.x(), drawLeftTop.y(), drawSize.width(), drawSize.height(), pixmap.scaled(drawSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
resultPixmap.setDevicePixelRatio(dpi);
return resultPixmap;
}
QPixmap ThemeWidget::pixmapToRound(const QPixmap &pixmap, const QSize &scaledSize)
{
qreal dpi = devicePixelRatioF();
QSize realSize = scaledSize * dpi;
QPixmap resultPixmap(realSize);
resultPixmap.fill(Qt::transparent);
QPainter painter(&resultPixmap);
painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
//画圆
// QPainterPath path;
// path.addEllipse(0, 0, realSize.width(), realSize.height());
// painter.setClipPath(path);
QPoint drawLeftTop(0, 0);
QSize drawSize = realSize;
drawSize.setWidth(realSize.width());
drawSize.setHeight(realSize.width() * scaledSize.height() / scaledSize.width());
drawLeftTop.setX(0);
drawLeftTop.setY((realSize.height() - drawSize.height()) / 2);
// scaled draw
painter.drawPixmap(drawLeftTop.x(), drawLeftTop.y(), drawSize.width(), drawSize.height(), pixmap.scaled(drawSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
resultPixmap.setDevicePixelRatio(dpi);
return resultPixmap;
}
QString ThemeWidget::getValue(){
return pValue;
}
void ThemeWidget::mousePressEvent(QMouseEvent *event){
if (event->button() == Qt::LeftButton){
emit clicked();
}
QWidget::mousePressEvent(event);
}
//子类化一个QWidget，为了能够使用样式表，则需要提供paintEvent事件。
//这是因为QWidget的paintEvent()是空的，而样式表要通过paint被绘制到窗口中。
void ThemeWidget::paintEvent(QPaintEvent *event){
Q_UNUSED(event)
QStyleOption opt;
opt.init(this);
QPainter p(this);
p.save();
p.setBrush(opt.palette.color(QPalette::Base));
p.setPen(Qt::transparent);
p.setOpacity(0.6);
p.drawRoundedRect(this->rect(), 6, 6);
p.restore();
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
}
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