328 lines
9.0 KiB
C++
328 lines
9.0 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* Copyright (C) 2019 Tianjin KYLIN Information Technology Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "switchbutton.h"
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#include <QDebug>
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#define THEME_QT_SCHEMA "org.ukui.style"
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#define THEME_GTK_SCHEMA "org.mate.interface"
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#define TIMER_INTERVAL 5 //每隔5ms动画移动一次
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#define MOVING_STEPS 40 //动画总共移动40次
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SwitchButton::SwitchButton(QWidget *parent, bool useDisableStyle) :
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QWidget(parent)
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{
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// this->resize(QSize(52, 24));
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this->setFixedSize(QSize(50, 24));
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checked = false;
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hover = false;
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disabled = false;
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isMoving = false;
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isAnimation = true;
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m_useDisableStyle = useDisableStyle;
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space = 4;
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rectRadius = height()/2;
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mStep = width()/MOVING_STEPS;//也就是40次动画就可以走完，每次时间间隔是固定的5ms
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mStartX = 0;
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mEndX= 0;
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mTimer = new QTimer(this);
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mTimer->setInterval(TIMER_INTERVAL);//动画更新时间
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connect(mTimer, SIGNAL(timeout()), this, SLOT(updatevalue()));
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if(QGSettings::isSchemaInstalled(THEME_GTK_SCHEMA) && QGSettings::isSchemaInstalled(THEME_QT_SCHEMA)) {
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QByteArray qtThemeID(THEME_QT_SCHEMA);
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QByteArray gtkThemeID(THEME_GTK_SCHEMA);
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m_gtkThemeSetting = new QGSettings(gtkThemeID,QByteArray(),this);
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m_qtThemeSetting = new QGSettings(qtThemeID,QByteArray(),this);
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QString style = m_qtThemeSetting->get("styleName").toString();
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changeColor(style);
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connect(m_qtThemeSetting,&QGSettings::changed, [this] (const QString &key) {
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QString style = m_qtThemeSetting->get("styleName").toString();
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if (key == "styleName") {
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changeColor(style);
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}
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});
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}
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}
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SwitchButton::~SwitchButton()
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{
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}
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void SwitchButton::paintEvent(QPaintEvent *){
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QPainter painter(this);
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//启用反锯齿
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painter.setRenderHint(QPainter::Antialiasing, true);
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painter.setCompositionMode(QPainter::CompositionMode_Source);
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drawBg(&painter);
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if(!isAnimation)//动画如果禁用，则圆形滑块isMoving始终为false
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isMoving =false;
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if(isMoving)
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animation(&painter);
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drawSlider(&painter);
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painter.end();
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}
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void SwitchButton::changeColor(const QString &themes) {
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if (hover) {
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return ;//在鼠标下，禁止切换颜色鼠标离开时切换颜色
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}
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if (themes == "ukui-dark" || themes == "ukui-black") {
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bgColorOff = QColor(OFF_BG_DARK_COLOR);
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bgColorOn = QColor(ON_BG_DARK_COLOR);
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rectColorEnabled = QColor(ENABLE_RECT_DARK_COLOR);
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rectColorDisabled = QColor(DISABLE_RECT_DARK_COLOR);
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sliderColorDisabled = QColor(DISABLE_RECT_DARK_COLOR);
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sliderColorEnabled = QColor(ENABLE_RECT_DARK_COLOR);
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bgHoverOnColor = QColor(ON_HOVER_BG_DARK_COLOR);
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bgHoverOffColor = QColor(OFF_HOVER_BG_DARK_COLOR);
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bgColorDisabled = QColor(DISABLE_DARK_COLOR);
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} else {
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bgColorOff = QColor(OFF_BG_LIGHT_COLOR);
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bgColorOn = QColor(ON_BG_LIGHT_COLOR);
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rectColorEnabled = QColor(ENABLE_RECT_LIGHT_COLOR);
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rectColorDisabled = QColor(DISABLE_RECT_LIGHT_COLOR);
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sliderColorDisabled = QColor(DISABLE_RECT_LIGHT_COLOR);
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sliderColorEnabled = QColor(ENABLE_RECT_LIGHT_COLOR);
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bgHoverOnColor = QColor(ON_HOVER_BG_LIGHT_COLOR);
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bgHoverOffColor = QColor(OFF_HOVER_BG_LIGHT_COLOR);
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bgColorDisabled = QColor(DISABLE_LIGHT_COLOR);
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}
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}
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//动画绘制
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void SwitchButton::animation(QPainter *painter){
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painter->save();
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int h = height();
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int w = width();
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painter->setPen(Qt::NoPen);
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//颜色设置
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if(checked){
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//开关在左侧时
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painter->setBrush(bgColorOn);
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rect.setRect(0,0,h+mStartX,h);
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}else{
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painter->setBrush(bgColorOff);
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rect.setRect(mStartX,0,w-mStartX,h);
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}
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painter->drawRoundedRect(rect,rectRadius,rectRadius);
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painter->restore();
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}
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//绘制背景
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void SwitchButton::drawBg(QPainter *painter){
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int w = width();
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int h = height();
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painter->save();
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painter->setPen(Qt::NoPen);
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if (disabled && m_useDisableStyle) {
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painter->setPen(Qt::NoPen);
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painter->setBrush(bgColorDisabled);
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} else {
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if(checked){
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if(isMoving){
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painter->setBrush(bgColorOff);
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rect.setRect(mStartX,0,w-mStartX,h);
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}else {
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painter->setBrush(bgColorOn);
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rect.setRect(0, 0, w, h);
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}
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}else{
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if(isMoving){
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painter->setBrush(bgColorOn);
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rect.setRect(0,0,mStartX+h,h);
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}
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else {
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painter->setBrush(bgColorOff);
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rect.setRect(0, 0, w, h);
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}
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}
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}
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//半径为高度的一半
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painter->drawRoundedRect(rect,rectRadius,rectRadius);
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painter->restore();
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}
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//绘制滑块，也就是圆形按钮
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void SwitchButton::drawSlider(QPainter *painter){
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painter->save();
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painter->setPen(Qt::NoPen);
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if (!disabled || !m_useDisableStyle){
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painter->setBrush(sliderColorEnabled);
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}
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else
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painter->setBrush(sliderColorDisabled);
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if (disabled) {
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if (!checked){
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QRect smallRect(8, height() / 2 - 2, 10 , 4);
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painter->drawRoundedRect(smallRect,3,3);
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}else{
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QRect smallRect(width() - 8 * 2, height() / 2 - 2, 10 , 4);
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painter->drawRoundedRect(smallRect,3,3);
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}
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}
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QRect rect(0, 0, width(), height());
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int sliderWidth = rect.height() - space * 2;
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QRect sliderRect(mStartX + space, space, sliderWidth, sliderWidth);
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painter->drawEllipse(sliderRect);
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painter->restore();
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}
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void SwitchButton::mousePressEvent(QMouseEvent *){
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qDebug()<<isMoving<<checked<<disabled;
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if (isMoving) {
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return ;
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}
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if(disabled){
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mEndX = 0;
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Q_EMIT disabledClick();
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return ;
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}else{
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checked = !checked;
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Q_EMIT checkedChanged(checked);
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mStep = width() / MOVING_STEPS;
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if (checked){
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//circle out
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// endX = width() - height() + space;
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//circle in
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mEndX = width() - height();
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}
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else {
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mEndX = 0;
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}
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mTimer->start();
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isMoving = true;
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}
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}
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void SwitchButton::resizeEvent(QResizeEvent *){
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//每次开始的x坐标都是跳过圆角，从直线的地方开始计算
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mStep = width() / MOVING_STEPS;
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if (checked){
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//circle out
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// startX = width() - height() + space;
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//circle in
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mStartX = width() - height();
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}
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else
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mStartX = 0;
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rectRadius = height()/2;
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update();
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}
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void SwitchButton::enterEvent(QEvent *event) {
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bgColorOn = bgHoverOnColor;
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bgColorOff = bgHoverOffColor;
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hover = true;
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update();
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return QWidget::enterEvent(event);
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}
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void SwitchButton::leaveEvent(QEvent *event) {
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hover = false;
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QString style = m_qtThemeSetting->get("styleName").toString();
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changeColor(style);
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update();
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return QWidget::leaveEvent(event);
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}
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//根据事件向左还是向右移动
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void SwitchButton::updatevalue(){
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if (checked)
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if (mStartX < mEndX-mStep){
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mStartX = mStartX + mStep;
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}
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else{
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mStartX = mEndX;
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mTimer->stop();
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isMoving = false;
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}
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else{
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if (mStartX > mEndX+mStep){
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mStartX = mStartX - mStep;
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}
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else{
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mStartX = mEndX;
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mTimer->stop();
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isMoving = false;
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}
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}
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update();
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}
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void SwitchButton::setChecked(bool checked){
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if (this->checked != checked){
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this->checked = checked;
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Q_EMIT checkedChanged(checked);
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update();
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}
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mStep = width() / MOVING_STEPS;
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if (checked){
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//circle out
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// endX = width() - height() + space;
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//circle in
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mEndX = width() - height();
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}
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else{
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mEndX = 0;
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}
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mTimer->start();
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isMoving = true;
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}
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bool SwitchButton::isChecked(){
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return this->checked;
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}
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void SwitchButton::setDisabledFlag(bool value)
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{
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disabled = value;
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update();
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}
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bool SwitchButton::getDisabledFlag()
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{
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return disabled;
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}
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void SwitchButton::setAnimation(bool on){
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isAnimation = on;
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}
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