485 lines
12 KiB
C++
485 lines
12 KiB
C++
#include "switchcontrol.h"
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#include "qpainter.h"
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#include <QPainterPath>
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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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SwitchControl::SwitchControl(QWidget *parent): QWidget(parent)
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{
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checked = false;
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buttonStyle = ButtonStyle_Rect;
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bgColorOff = QColor(225, 225, 225);
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bgColorOn = QColor(250, 250, 250);
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sliderColorOff = QColor(100, 100, 100);
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sliderColorOn = QColor(100, 184, 255);
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textColorOff = QColor(255, 255, 255);
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textColorOn = QColor(10, 10, 10);
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textOff = "";
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textOn = "";
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imageOff = ":/image/btncheckoff1.png";
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imageOn = ":/image/btncheckon1.png";
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space = 2;
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rectRadius = 5;
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step = width() / 50;
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startX = 0;
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endX = 0;
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timer = new QTimer(this);
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timer->setInterval(5);
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connect(timer, SIGNAL(timeout()), this, SLOT(updateValue()));
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setFont(QFont("Microsoft Yahei", 10));
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}
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SwitchControl::~SwitchControl()
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{
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}
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void SwitchControl::mousePressEvent(QMouseEvent *)
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{
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checked = !checked;
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//每次移动的步长为宽度的 50分之一
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step = width() / 50;
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//状态切换改变后自动计算终点坐标
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if (checked) {
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if (buttonStyle == ButtonStyle_Rect) {
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endX = width() - width() / 2;
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} else if (buttonStyle == ButtonStyle_CircleIn) {
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endX = width() - height();
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} else if (buttonStyle == ButtonStyle_CircleOut) {
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endX = width() - height() + space;
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}
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} else {
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endX = 0;
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}
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timer->start();
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emit checkedChanged(checked);
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}
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void SwitchControl::resizeEvent(QResizeEvent *)
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{
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//每次移动的步长为宽度的 50分之一
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step = width() / 50;
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//尺寸大小改变后自动设置起点坐标为终点
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if (checked) {
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if (buttonStyle == ButtonStyle_Rect) {
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startX = width() - width() / 2;
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} else if (buttonStyle == ButtonStyle_CircleIn) {
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startX = width() - height();
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} else if (buttonStyle == ButtonStyle_CircleOut) {
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startX = width() - height() + space;
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}
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} else {
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startX = 0;
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}
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update();
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}
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void SwitchControl::paintEvent(QPaintEvent *)
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{
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//绘制准备工作,启用反锯齿
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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if (buttonStyle == ButtonStyle_Image) {
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//绘制图片
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drawImage(&painter);
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} else {
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//绘制背景
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drawBg(&painter);
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//绘制滑块
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drawSlider(&painter);
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//绘制文字
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drawText(&painter);
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}
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}
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void SwitchControl::drawBg(QPainter *painter)
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{
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painter->save();
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painter->setPen(Qt::NoPen);
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if (!checked) {
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painter->setBrush(bgColorOff);
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} else {
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painter->setBrush(bgColorOn);
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}
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if (buttonStyle == ButtonStyle_Rect) {
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painter->drawRoundedRect(rect(), rectRadius, rectRadius);
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} else if (buttonStyle == ButtonStyle_CircleIn) {
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QRect rect(0, 0, width(), height());
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//半径为高度的一半
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int radius = rect.height() / 2;
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//圆的宽度为高度
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int circleWidth = rect.height();
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QPainterPath path;
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path.moveTo(radius, rect.left());
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path.arcTo(QRectF(rect.left(), rect.top(), circleWidth, circleWidth), 90, 180);
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path.lineTo(rect.width() - radius, rect.height());
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path.arcTo(QRectF(rect.width() - rect.height(), rect.top(), circleWidth, circleWidth), 270, 180);
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path.lineTo(radius, rect.top());
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painter->drawPath(path);
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} else if (buttonStyle == ButtonStyle_CircleOut) {
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QRect rect(space, space, width() - space * 2, height() - space * 2);
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painter->drawRoundedRect(rect, rectRadius, rectRadius);
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}
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painter->restore();
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}
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void SwitchControl::drawSlider(QPainter *painter)
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{
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painter->save();
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painter->setPen(Qt::NoPen);
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if (!checked) {
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painter->setBrush(sliderColorOff);
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} else {
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painter->setBrush(sliderColorOn);
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}
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if (buttonStyle == ButtonStyle_Rect) {
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int sliderWidth = width() / 2 - space * 2;
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int sliderHeight = height() - space * 2;
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QRect sliderRect(startX + space, space, sliderWidth , sliderHeight);
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painter->drawRoundedRect(sliderRect, rectRadius, rectRadius);
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} else if (buttonStyle == ButtonStyle_CircleIn) {
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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(startX + space, space, sliderWidth, sliderWidth);
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painter->drawEllipse(sliderRect);
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} else if (buttonStyle == ButtonStyle_CircleOut) {
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QRect rect(0, 0, width() - space, height() - space);
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int sliderWidth = rect.height();
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QRect sliderRect(startX, space / 2, sliderWidth, sliderWidth);
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painter->drawEllipse(sliderRect);
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}
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painter->restore();
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}
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void SwitchControl::drawText(QPainter *painter)
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{
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painter->save();
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if (!checked) {
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painter->setPen(textColorOff);
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painter->drawText(width() / 2, 0, width() / 2 - space, height(), Qt::AlignCenter, textOff);
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} else {
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painter->setPen(textColorOn);
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painter->drawText(0, 0, width() / 2 + space * 2, height(), Qt::AlignCenter, textOn);
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}
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painter->restore();
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}
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void SwitchControl::drawImage(QPainter *painter)
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{
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painter->save();
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QPixmap pix;
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if (!checked) {
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pix = QPixmap(imageOff);
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} else {
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pix = QPixmap(imageOn);
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}
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//自动等比例平滑缩放居中显示
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int targetWidth = pix.width();
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int targetHeight = pix.height();
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pix = pix.scaled(targetWidth, targetHeight, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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int pixX = rect().center().x() - targetWidth / 2;
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int pixY = rect().center().y() - targetHeight / 2;
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QPoint point(pixX, pixY);
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painter->drawPixmap(point, pix);
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painter->restore();
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}
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void SwitchControl::updateValue()
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{
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if (checked) {
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if (startX < endX) {
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startX = startX + step;
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} else {
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startX = endX;
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timer->stop();
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}
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} else {
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if (startX > endX) {
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startX = startX - step;
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} else {
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startX = endX;
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timer->stop();
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}
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}
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update();
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}
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void SwitchControl::setChecked(bool checked)
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{
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if (this->checked != checked) {
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this->checked = checked;
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emit checkedChanged(checked);
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update();
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}
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}
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void SwitchControl::setCheckedStatus(bool checked)
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{
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if (this->checked != checked) {
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this->checked = checked;
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}
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update();
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step = width() / 50;
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//状态切换改变后自动计算终点坐标
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if (checked) {
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if (buttonStyle == ButtonStyle_Rect) {
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endX = width() - width() / 2;
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} else if (buttonStyle == ButtonStyle_CircleIn) {
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endX = width() - height();
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} else if (buttonStyle == ButtonStyle_CircleOut) {
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endX = width() - height() + space;
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}
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} else {
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endX = 0;
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}
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timer->start();
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}
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void SwitchControl::setButtonStyle(SwitchControl::ButtonStyle buttonStyle)
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{
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this->buttonStyle = buttonStyle;
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update();
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}
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void SwitchControl::setBgColor(QColor bgColorOff, QColor bgColorOn)
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{
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this->bgColorOff = bgColorOff;
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this->bgColorOn = bgColorOn;
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update();
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}
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void SwitchControl::setSliderColor(QColor sliderColorOff, QColor sliderColorOn)
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{
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this->sliderColorOff = sliderColorOff;
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this->sliderColorOn = sliderColorOn;
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update();
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}
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void SwitchControl::setTextColor(QColor textColorOff, QColor textColorOn)
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{
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this->textColorOff = textColorOff;
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this->textColorOn = textColorOn;
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update();
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}
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void SwitchControl::setText(QString textOff, QString textOn)
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{
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this->textOff = textOff;
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this->textOn = textOn;
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update();
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}
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void SwitchControl::setImage(QString imageOff, QString imageOn)
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{
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this->imageOff = imageOff;
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this->imageOn = imageOn;
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update();
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}
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void SwitchControl::setSpace(int space)
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{
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this->space = space;
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update();
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}
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void SwitchControl::setRectRadius(int rectRadius)
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{
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this->rectRadius = rectRadius;
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update();
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}
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/*#include <QPainter>
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#include <QMouseEvent>
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SwitchControl::SwitchControl(QWidget *parent)
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: QWidget(parent)
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{
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m_nHeight=16;
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m_bChecked=false;
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m_radius=8.0;
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m_nMargin=5;
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m_checkedColor=QColor(0, 150, 136);
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m_thumbColor=Qt::white;
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m_disabledColor=QColor(190, 190, 190);
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m_background=Qt::black;
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setAttribute(Qt::WA_DeleteOnClose);
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// 鼠标滑过光标形状 - 手型
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setCursor(Qt::PointingHandCursor);
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// 连接信号槽
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connect(&m_timer, SIGNAL(timeout()), this, SLOT(onTimeout()));
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}
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// 绘制开关
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void SwitchControl::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event);
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QPainter painter(this);
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painter.setPen(Qt::NoPen);
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painter.setRenderHint(QPainter::Antialiasing);
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QPainterPath path;
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QColor background;
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QColor thumbColor;
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qreal dOpacity;
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if (isEnabled()) { // 可用状态
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if (m_bChecked) { // 打开状态
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background = m_checkedColor;
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thumbColor = m_checkedColor;
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dOpacity = 0.600;
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} else { //关闭状态
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background = m_background;
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thumbColor = m_thumbColor;
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dOpacity = 0.800;
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}
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} else { // 不可用状态
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background = m_background;
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dOpacity = 0.260;
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thumbColor = m_disabledColor;
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}
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// 绘制大椭圆
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painter.setBrush(background);
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painter.setOpacity(dOpacity);
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path.addRoundedRect(QRectF(m_nMargin, m_nMargin, width() - 2 * m_nMargin-(m_nHeight / 2), height() - 2 * m_nMargin), m_radius, m_radius);
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painter.drawPath(path.simplified());
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// 绘制小椭圆
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painter.setBrush(thumbColor);
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painter.setOpacity(1.0);
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painter.drawEllipse(QRectF(m_nX - (m_nHeight / 2), m_nY - (m_nHeight / 2), height(), height()));
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}
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// 鼠标按下事件
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void SwitchControl::mousePressEvent(QMouseEvent *event)
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{
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if (isEnabled()) {
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if (event->buttons() & Qt::LeftButton) {
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event->accept();
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} else {
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event->ignore();
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}
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}
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}
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// 鼠标释放事件 - 切换开关状态、发射toggled()信号
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void SwitchControl::mouseReleaseEvent(QMouseEvent *event)
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{
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if (isEnabled()) {
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if ((event->type() == QMouseEvent::MouseButtonRelease) && (event->button() == Qt::LeftButton)) {
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event->accept();
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m_bChecked = !m_bChecked;
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emit toggled(m_bChecked);
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m_timer.start(10);
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} else {
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event->ignore();
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}
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}
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}
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// 大小改变事件
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void SwitchControl::resizeEvent(QResizeEvent *event)
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{
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m_nX = m_nHeight / 2;
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m_nY = m_nHeight / 2;
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QWidget::resizeEvent(event);
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}
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// 默认大小
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QSize SwitchControl::sizeHint() const
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{
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return minimumSizeHint();
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}
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// 最小大小
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QSize SwitchControl::minimumSizeHint() const
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{
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return QSize(2 * (m_nHeight + m_nMargin), m_nHeight + 2 * m_nMargin);
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}
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// 切换状态 - 滑动
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void SwitchControl::onTimeout()
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{
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if (m_bChecked) {
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m_nX += 1;
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if (m_nX >= width() - m_nHeight*2)
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m_timer.stop();
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} else {
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m_nX -= 1;
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if (m_nX <= m_nHeight / 2)
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m_timer.stop();
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}
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update();
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}
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// 返回开关状态 - 打开：true 关闭：false
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bool SwitchControl::isToggled() const
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{
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return m_bChecked;
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}
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// 设置开关状态
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void SwitchControl::setToggle(bool checked)
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{
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m_bChecked = checked;
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m_timer.start(10);
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}
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// 设置背景颜色
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void SwitchControl::setBackgroundColor(QColor color)
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{
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m_background = color;
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}
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// 设置拇指颜色
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void SwitchControl::setthumbColor(QColor color)
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{
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//拇指颜色
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m_thumbColor = color;
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}
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// 设置选中颜色
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void SwitchControl::setCheckedColor(QColor color)
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{
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m_checkedColor = color;
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}
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// 设置不可用颜色
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void SwitchControl::setDisbaledColor(QColor color)
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{
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m_disabledColor = color;
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}
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*/
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