kylin-nm/plugins/component/InfoButton/infobutton.cpp

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2022-07-05 10:13:48 +08:00
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* Copyright (C) 2022 Tianjin KYLIN Information Technology 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 2 of the License, 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
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#include "infobutton.h"
#include <QEvent>
#include <QPainter>
#include <QApplication>
#include <QDebug>
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#include <QPainterPath>
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#define BUTTON_SIZE 36,36
#define ICON_SIZE 16,16
#define BACKGROUND_COLOR QColor(0,0,0,0)
#define FOREGROUND_COLOR_NORMAL qApp->palette().text().color()
#define FOREGROUND_COLOR_HOVER QColor(55,144,250,255)
#define FOREGROUND_COLOR_PRESS QColor(36,109,212,255)
#define OUTER_PATH 8,8,16,16
#define INNER_PATH 9,9,14,14
#define TEXT_POS 14,5,16,16,0
#define BUTTON_SIZE 36,36
#define THEME_SCHAME "org.ukui.style"
#define COLOR_THEME "styleName"
InfoButton::InfoButton(QWidget *parent) : QPushButton(parent)
{
this->setFixedSize(BUTTON_SIZE);
initUI();
const QByteArray style_id(THEME_SCHAME);
if (QGSettings::isSchemaInstalled(style_id)) {
m_styleGsettings = new QGSettings(style_id);
connect(m_styleGsettings, &QGSettings::changed, this, &InfoButton::onGSettingChaned);
} else {
qDebug() << "Gsettings interface \"org.ukui.style\" is not exist!";
}
}
void InfoButton::initUI()
{
this->setFixedSize(BUTTON_SIZE);
m_backgroundColor = BACKGROUND_COLOR;
m_foregroundColor = FOREGROUND_COLOR_NORMAL;
}
void InfoButton::onGSettingChaned(const QString &key)
{
if (key == COLOR_THEME) {
m_foregroundColor = FOREGROUND_COLOR_NORMAL;
this->repaint();
}
}
void InfoButton::paintEvent(QPaintEvent *event)
{
QPalette pal = this->palette();
pal.setColor(QPalette::Base, m_backgroundColor);
pal.setColor(QPalette::Text, m_foregroundColor);
QPainterPath cPath;
cPath.addRect(0, 0, ICON_SIZE);
cPath.addEllipse(0, 0, ICON_SIZE);
QPainterPath outerPath;
outerPath.addEllipse(OUTER_PATH);
QPainterPath innerPath;
innerPath.addEllipse(INNER_PATH);
outerPath -= innerPath;
QPainter painter(this);
painter.setRenderHint(QPainter:: Antialiasing, true); //设置渲染,启动反锯齿
painter.setPen(Qt::NoPen);
painter.setBrush(pal.color(QPalette::Base));
painter.drawPath(cPath);
painter.fillPath(outerPath, pal.color(QPalette::Text));
painter.setPen(m_foregroundColor);
QFont font("Noto Sans CJK SC", 11, QFont::Normal, false);
painter.setFont(font);
painter.drawText(TEXT_POS, "i");
}
void InfoButton::enterEvent(QEvent *event)
{
m_foregroundColor = FOREGROUND_COLOR_HOVER;
this->repaint();
}
void InfoButton::leaveEvent(QEvent *event)
{
m_foregroundColor = FOREGROUND_COLOR_NORMAL;
this->repaint();
}
void InfoButton::mousePressEvent(QMouseEvent *event)
{
m_foregroundColor = FOREGROUND_COLOR_PRESS;
this->repaint();
return QPushButton::mousePressEvent(event);
}
void InfoButton::mouseReleaseEvent(QMouseEvent *event)
{
m_foregroundColor = FOREGROUND_COLOR_HOVER;
this->repaint();
return QPushButton::mouseReleaseEvent(event);
}