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Description
Qt在Win系统上的消息通知
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需求描述： Qt应用程序在windows系统上发送win消息通知
代码
代码实现很简单，主要调用的接口为QSystemTrayIcon.showMessage()
使用的Demo为 【Qt】 鼠标 hover 操作时弹出文字气泡_欧恩意的博客-CSDN博客 这篇文章，结合图片隐藏显示，在系统显示通知。
widget.h
#ifndef WIDGET_H
#define WIDGET_H
#include <QWidget>
#include <QImage>
#include <QPixmap>
#include <QSystemTrayIcon>
#include <QMenu>
#include <QIcon>
#include <QAction>
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACE
class Widget : public QWidget
{
Q_OBJECT
public:
Widget(QWidget *parent = nullptr);
~Widget();
public:
QSystemTrayIcon *trayIcon;
private slots:
void stTrayIconActive(QSystemTrayIcon::ActivationReason acReason);
void on_pushButton_clicked();
private:
Ui::Widget *ui;
};
#endif // WIDGET_H
widget.cpp
#include "widget.h"
#include "ui_widget.h"
Widget::Widget(QWidget *parent)
: QWidget(parent)
, ui(new Ui::Widget)
{
ui->setupUi(this);
QPixmap img(":/Win11.jpg");
ui->label->setPixmap(img);
ui->label->setScaledContents(true);
ui->label->setToolTip(QString("壁纸《Win11.png》"));
ui->pushButton->setToolTip(QString("隐藏或显示图片"));
QIcon icon = QApplication::style()->standardIcon((QStyle::StandardPixmap)0);
QIcon icon1 = QApplication::style()->standardIcon((QStyle::StandardPixmap)9);
//设置通知栏的图标
trayIcon = new QSystemTrayIcon(this);
trayIcon->setIcon(icon);
//设置通知栏的单击事件
connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(stTrayIconActive(QSystemTrayIcon::ActivationReason)));
//设置通知栏的右键菜单
QMenu * menu = new QMenu();
//设置菜单项目
QAction *actionHide = new QAction(icon, "Hide", menu);
menu->addAction(actionHide);
trayIcon->setContextMenu(menu);
// 设置Action的响应
connect(actionHide, SIGNAL(triggered()), this, SLOT(stActionHide()));
trayIcon->show();
//托盘的消息提示
trayIcon->showMessage("title", "this is a m
61FB
essage", icon1);
}
Widget::~Widget()
{
delete ui;
}
void Widget::stTrayIconActive(QSystemTrayIcon::ActivationReason acReason)
{
switch (acReason)
{
case QSystemTrayIcon::Trigger:
{
showNormal();
break;
}
default:
;
}
}
void Widget::on_pushButton_clicked()
{
QIcon icon = QApplication::style()->standardIcon((QStyle::StandardPixmap)0);
QIcon icon1 = QApplication::style()->standardIcon((QStyle::StandardPixmap)9);
if(ui->label->isVisible())
{
trayIcon->showMessage("提醒", "隐藏图片", icon1);
ui->label->hide();
}
else
{
trayIcon->showMessage("提醒", "显示图片", icon1);
ui->label->setVisible(true);
}
}widget.ui
演示
blog link Qt在Win系统上的消息通知