现有功能
运行结果
源码
frosted_glass_label.h
frosted_glass_label.cpp
main.cpp
现有功能1.用模糊功能实现简易的毛玻璃效果。
2.鼠标移动无边框窗口。
运行结果 源码 frosted_glass_label.h#ifndef FROSTEDGLASSLABEL_H
#define FROSTEDGLASSLABEL_H
#include <QWidget>
#include <QLabel>
#include <QMouseEvent>
class FrostedGlassLabel : public QLabel
{
Q_OBJECT
public:
FrostedGlassLabel(QWidget *parent = nullptr);
~FrostedGlassLabel();
protected:
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
private:
void setBackgroundColor(); // 设置窗口背景颜色
void blur(); // 模糊
private:
float startX; // 这两个变量用来移动窗口
float startY;
};
#endif // FROSTEDGLASSLABEL_H
frosted_glass_label.cpp
#include "frosted_glass_label.h"
#include <Qt>
#include <QPalette>
#include <QColor>
#include <QGraphicsBlurEffect>
FrostedGlassLabel::FrostedGlassLabel(QWidget *parent)
: QLabel(parent)
{
this->resize(300, 100);
this->setWindowFlags(Qt::FramelessWindowHint);
this->setBackgroundColor();
this->blur();
}
FrostedGlassLabel::~FrostedGlassLabel()
{
}
void FrostedGlassLabel::setBackgroundColor() {
QPalette palette;
palette.setColor(QPalette::Background, QColor(245, 245, 245, 250));
this->setPalette(palette);
this->setAutoFillBackground(true);
}
void FrostedGlassLabel::blur() {
QGraphicsBlurEffect *blur = new QGraphicsBlurEffect();
blur->setBlurRadius(30);
blur->setBlurHints(QGraphicsBlurEffect::QualityHint);
this->setGraphicsEffect(blur);
}
void FrostedGlassLabel::mousePressEvent(QMouseEvent *event) {
QLabel::mousePressEvent(event);
this->startX = event->x();
this->startY = event->y();
}
void FrostedGlassLabel::mouseMoveEvent(QMouseEvent *event) {
QLabel::mouseMoveEvent(event);
float disX = event->x() - this->startX;
float disY = event->y() - this->startY;
this->move(this->x()+disX, this->y()+disY);
}
main.cpp
#include "frosted_glass_label.h"
#include <QApplication>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
FrostedGlassLabel w;
w.show();
return a.exec();
}
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