451 lines
10 KiB
C++
451 lines
10 KiB
C++
#pragma execution_character_set("utf-8")
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#include "lightbutton.h"
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#include "qpainter.h"
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#include "qpainterpath.h"
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#include "qevent.h"
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#include "qtimer.h"
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#include "qdebug.h"
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LightButton::LightButton(QWidget *parent) : QWidget(parent)
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{
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text = "";
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textColor = QColor(255, 255, 255);
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alarmColor = QColor(255, 107, 107);
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normalColor = QColor(10, 10, 10);
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borderOutColorStart = QColor(255, 255, 255);
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borderOutColorEnd = QColor(166, 166, 166);
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borderInColorStart = QColor(166, 166, 166);
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borderInColorEnd = QColor(255, 255, 255);
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bgColor = QColor(100, 184, 255);
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showRect = false;
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showOverlay = true;
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overlayColor = QColor(255, 255, 255);
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canMove = false;
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this->installEventFilter(this);
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isAlarm = false;
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timerAlarm = new QTimer(this);
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connect(timerAlarm, SIGNAL(timeout()), this, SLOT(alarm()));
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timerAlarm->setInterval(500);
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//setFont(QFont("Arial", 8));
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}
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bool LightButton::eventFilter(QObject *watched, QEvent *event)
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{
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if (canMove) {
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static QPoint lastPoint;
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static bool pressed = false;
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QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
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if (mouseEvent->type() == QEvent::MouseButtonPress) {
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if (this->rect().contains(mouseEvent->pos()) && (mouseEvent->button() == Qt::LeftButton)) {
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lastPoint = mouseEvent->pos();
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pressed = true;
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}
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} else if (mouseEvent->type() == QEvent::MouseMove && pressed) {
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int dx = mouseEvent->pos().x() - lastPoint.x();
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int dy = mouseEvent->pos().y() - lastPoint.y();
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this->move(this->x() + dx, this->y() + dy);
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} else if (mouseEvent->type() == QEvent::MouseButtonRelease && pressed) {
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pressed = false;
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}
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}
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return QWidget::eventFilter(watched, event);
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}
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void LightButton::paintEvent(QPaintEvent *)
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{
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int width = this->width();
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int height = this->height();
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int side = qMin(width, height);
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//绘制准备工作,启用反锯齿,平移坐标轴中心,等比例缩放
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QPainter painter(this);
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painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
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if (showRect) {
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//绘制矩形区域
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painter.setPen(Qt::NoPen);
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painter.setBrush(bgColor);
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painter.drawRoundedRect(this->rect(), 5, 5);
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//绘制文字
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if (!text.isEmpty()) {
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QFont font;
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font.setPixelSize(side - 20);
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painter.setFont(font);
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painter.setPen(textColor);
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painter.drawText(this->rect(), Qt::AlignCenter, text);
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}
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} else {
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painter.translate(width / 2, height / 2);
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painter.scale(side / 200.0, side / 200.0);
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//绘制外边框
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drawBorderOut(&painter);
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//绘制内边框
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drawBorderIn(&painter);
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//绘制内部指示颜色
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drawBg(&painter);
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//绘制居中文字
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drawText(&painter);
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//绘制遮罩层
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drawOverlay(&painter);
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}
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}
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void LightButton::drawBorderOut(QPainter *painter)
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{
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int radius = 99;
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painter->save();
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painter->setPen(Qt::NoPen);
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QLinearGradient borderGradient(0, -radius, 0, radius);
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borderGradient.setColorAt(0, borderOutColorStart);
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borderGradient.setColorAt(1, borderOutColorEnd);
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painter->setBrush(borderGradient);
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painter->drawEllipse(-radius, -radius, radius * 2, radius * 2);
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painter->restore();
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}
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void LightButton::drawBorderIn(QPainter *painter)
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{
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int radius = 90;
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painter->save();
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painter->setPen(Qt::NoPen);
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QLinearGradient borderGradient(0, -radius, 0, radius);
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borderGradient.setColorAt(0, borderInColorStart);
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borderGradient.setColorAt(1, borderInColorEnd);
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painter->setBrush(borderGradient);
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painter->drawEllipse(-radius, -radius, radius * 2, radius * 2);
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painter->restore();
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}
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void LightButton::drawBg(QPainter *painter)
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{
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int radius = 80;
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painter->save();
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painter->setPen(Qt::NoPen);
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painter->setBrush(bgColor);
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painter->drawEllipse(-radius, -radius, radius * 2, radius * 2);
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painter->restore();
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}
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void LightButton::drawText(QPainter *painter)
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{
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if (text.isEmpty()) {
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return;
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}
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int radius = 100;
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painter->save();
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QFont font;
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font.setPixelSize(85);
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painter->setFont(font);
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painter->setPen(textColor);
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QRect rect(-radius, -radius, radius * 2, radius * 2);
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painter->drawText(rect, Qt::AlignCenter, text);
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painter->restore();
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}
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void LightButton::drawOverlay(QPainter *painter)
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{
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if (!showOverlay) {
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return;
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}
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int radius = 80;
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painter->save();
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painter->setPen(Qt::NoPen);
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QPainterPath smallCircle;
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QPainterPath bigCircle;
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radius -= 1;
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smallCircle.addEllipse(-radius, -radius, radius * 2, radius * 2);
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radius *= 2;
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bigCircle.addEllipse(-radius, -radius + 140, radius * 2, radius * 2);
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//高光的形状为小圆扣掉大圆的部分
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QPainterPath highlight = smallCircle - bigCircle;
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QLinearGradient linearGradient(0, -radius / 2, 0, 0);
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overlayColor.setAlpha(100);
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linearGradient.setColorAt(0.0, overlayColor);
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overlayColor.setAlpha(30);
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linearGradient.setColorAt(1.0, overlayColor);
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painter->setBrush(linearGradient);
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painter->rotate(-20);
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painter->drawPath(highlight);
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painter->restore();
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}
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QString LightButton::getText() const
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{
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return this->text;
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}
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QColor LightButton::getTextColor() const
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{
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return this->textColor;
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}
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QColor LightButton::getAlarmColor() const
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{
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return this->alarmColor;
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}
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QColor LightButton::getNormalColor() const
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{
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return this->normalColor;
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}
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QColor LightButton::getBorderOutColorStart() const
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{
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return this->borderOutColorStart;
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}
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QColor LightButton::getBorderOutColorEnd() const
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{
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return this->borderOutColorEnd;
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}
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QColor LightButton::getBorderInColorStart() const
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{
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return this->borderInColorStart;
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}
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QColor LightButton::getBorderInColorEnd() const
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{
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return this->borderInColorEnd;
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}
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QColor LightButton::getBgColor() const
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{
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return this->bgColor;
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}
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bool LightButton::getCanMove() const
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{
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return this->canMove;
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}
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bool LightButton::getShowRect() const
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{
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return this->showRect;
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}
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bool LightButton::getShowOverlay() const
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{
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return this->showOverlay;
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}
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QColor LightButton::getOverlayColor() const
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{
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return this->overlayColor;
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}
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QSize LightButton::sizeHint() const
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{
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return QSize(100, 100);
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}
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QSize LightButton::minimumSizeHint() const
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{
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return QSize(10, 10);
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}
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void LightButton::setText(const QString &text)
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{
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if (this->text != text) {
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this->text = text;
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this->update();
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}
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}
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void LightButton::setTextColor(const QColor &textColor)
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{
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if (this->textColor != textColor) {
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this->textColor = textColor;
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this->update();
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}
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}
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void LightButton::setAlarmColor(const QColor &alarmColor)
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{
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if (this->alarmColor != alarmColor) {
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this->alarmColor = alarmColor;
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this->update();
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}
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}
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void LightButton::setNormalColor(const QColor &normalColor)
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{
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if (this->normalColor != normalColor) {
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this->normalColor = normalColor;
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this->update();
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}
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}
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void LightButton::setBorderOutColorStart(const QColor &borderOutColorStart)
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{
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if (this->borderOutColorStart != borderOutColorStart) {
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this->borderOutColorStart = borderOutColorStart;
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this->update();
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}
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}
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void LightButton::setBorderOutColorEnd(const QColor &borderOutColorEnd)
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{
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if (this->borderOutColorEnd != borderOutColorEnd) {
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this->borderOutColorEnd = borderOutColorEnd;
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this->update();
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}
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}
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void LightButton::setBorderInColorStart(const QColor &borderInColorStart)
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{
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if (this->borderInColorStart != borderInColorStart) {
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this->borderInColorStart = borderInColorStart;
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this->update();
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}
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}
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void LightButton::setBorderInColorEnd(const QColor &borderInColorEnd)
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{
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if (this->borderInColorEnd != borderInColorEnd) {
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this->borderInColorEnd = borderInColorEnd;
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this->update();
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}
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}
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void LightButton::setBgColor(const QColor &bgColor)
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{
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if (this->bgColor != bgColor) {
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this->bgColor = bgColor;
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this->update();
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}
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}
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void LightButton::setCanMove(bool canMove)
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{
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if (this->canMove != canMove) {
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this->canMove = canMove;
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this->update();
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}
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}
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void LightButton::setShowRect(bool showRect)
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{
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if (this->showRect != showRect) {
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this->showRect = showRect;
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this->update();
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}
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}
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void LightButton::setShowOverlay(bool showOverlay)
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{
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if (this->showOverlay != showOverlay) {
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this->showOverlay = showOverlay;
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this->update();
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}
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}
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void LightButton::setOverlayColor(const QColor &overlayColor)
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{
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if (this->overlayColor != overlayColor) {
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this->overlayColor = overlayColor;
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this->update();
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}
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}
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void LightButton::setGreen()
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{
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textColor = QColor(255, 255, 255);
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setBgColor(QColor(0, 166, 0));
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}
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void LightButton::setRed()
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{
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textColor = QColor(255, 255, 255);
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setBgColor(QColor(255, 0, 0));
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}
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void LightButton::setYellow()
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{
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textColor = QColor(25, 50, 7);
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setBgColor(QColor(238, 238, 0));
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}
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void LightButton::setBlack()
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{
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textColor = QColor(255, 255, 255);
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setBgColor(QColor(10, 10, 10));
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}
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void LightButton::setGray()
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{
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textColor = QColor(255, 255, 255);
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setBgColor(QColor(129, 129, 129));
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}
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void LightButton::setBlue()
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{
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textColor = QColor(255, 255, 255);
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setBgColor(QColor(0, 0, 166));
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}
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void LightButton::setLightBlue()
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{
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textColor = QColor(255, 255, 255);
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setBgColor(QColor(100, 184, 255));
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}
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void LightButton::setLightRed()
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{
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textColor = QColor(255, 255, 255);
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setBgColor(QColor(255, 107, 107));
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}
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void LightButton::setLightGreen()
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{
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textColor = QColor(255, 255, 255);
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setBgColor(QColor(24, 189, 155));
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}
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void LightButton::startAlarm()
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{
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if (!timerAlarm->isActive()) {
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timerAlarm->start();
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}
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}
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void LightButton::stopAlarm()
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{
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if (timerAlarm->isActive()) {
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timerAlarm->stop();
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}
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}
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void LightButton::alarm()
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{
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if (isAlarm) {
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textColor = QColor(255, 255, 255);
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bgColor = normalColor;
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} else {
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textColor = QColor(255, 255, 255);
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bgColor = alarmColor;
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}
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this->update();
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isAlarm = !isAlarm;
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}
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