93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
#pragma execution_character_set("utf-8")
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#include "imageswitch.h"
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#include "qpainter.h"
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#include "qdebug.h"
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ImageSwitch::ImageSwitch(QWidget *parent) : QWidget(parent)
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{
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isChecked = false;
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buttonStyle = ButtonStyle_2;
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imgOffFile = ":/image/imageswitch/btncheckoff2.png";
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imgOnFile = ":/image/imageswitch/btncheckon2.png";
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imgFile = imgOffFile;
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}
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void ImageSwitch::mousePressEvent(QMouseEvent *)
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{
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imgFile = isChecked ? imgOffFile : imgOnFile;
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isChecked = !isChecked;
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emit checkedChanged(isChecked);
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this->update();
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}
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void ImageSwitch::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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painter.setRenderHints(QPainter::SmoothPixmapTransform);
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QImage img(imgFile);
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img = img.scaled(this->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
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//按照比例自动居中绘制
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int pixX = rect().center().x() - img.width() / 2;
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int pixY = rect().center().y() - img.height() / 2;
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QPoint point(pixX, pixY);
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painter.drawImage(point, img);
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}
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bool ImageSwitch::getChecked() const
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{
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return isChecked;
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}
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ImageSwitch::ButtonStyle ImageSwitch::getButtonStyle() const
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{
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return this->buttonStyle;
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}
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QSize ImageSwitch::sizeHint() const
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{
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return QSize(87, 28);
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}
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QSize ImageSwitch::minimumSizeHint() const
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{
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return QSize(87, 28);
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}
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void ImageSwitch::setChecked(bool isChecked)
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{
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if (this->isChecked != isChecked) {
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this->isChecked = isChecked;
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imgFile = isChecked ? imgOnFile : imgOffFile;
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this->update();
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}
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}
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void ImageSwitch::setButtonStyle(const ImageSwitch::ButtonStyle &buttonStyle)
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{
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if (this->buttonStyle != buttonStyle) {
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this->buttonStyle = buttonStyle;
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if (buttonStyle == ButtonStyle_1) {
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imgOffFile = ":/image/imageswitch/btncheckoff1.png";
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imgOnFile = ":/image/imageswitch/btncheckon1.png";
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this->resize(87, 28);
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} else if (buttonStyle == ButtonStyle_2) {
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imgOffFile = ":/image/imageswitch/btncheckoff2.png";
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imgOnFile = ":/image/imageswitch/btncheckon2.png";
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this->resize(87, 28);
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} else if (buttonStyle == ButtonStyle_3) {
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imgOffFile = ":/image/imageswitch/btncheckoff3.png";
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imgOnFile = ":/image/imageswitch/btncheckon3.png";
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this->resize(96, 38);
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}
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imgFile = isChecked ? imgOnFile : imgOffFile;
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setChecked(isChecked);
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this->update();
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updateGeometry();
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}
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}
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