系统托盘自定义图标工具（附C++源码）

#include <QSystemTrayIcon> #include <QIcon> #include <QLabel> #include <QFileDialog> #include <QFileIconProvider> #include <QMessageBox> #include <QFileInfo> #include <QString> #include "mainwindow.h" #include "ui_mainwindow.h" QString File="logo.png",notice=QString::fromLocal8Bit("提示"),say=QString::fromLocal8Bit("单击隐藏，双击显示"); QString Copyright=QString::fromLocal8Bit("Copyright zwc 版本：1.0.0"); MainWindow::MainWindow(QWidget *parent):QMainWindow(parent),ui(new Ui::MainWindow) { ui->setupUi(this); // QLabel per=new QLabel(Copyright,this); ui->statusBar->showMessage(Copyright); QIcon systemIcon("logo.png"); myTrayIocn=new QSystemTrayIcon(systemIcon,this); myTrayIocn->show(); myTrayIocn->showMessage(notice,say); myTrayIocn->setContextMenu(ui->menu_F); connect(myTrayIocn,SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this,SLOT(activated(QSystemTrayIcon::ActivationReason))); connect(ui->toolbtn,SIGNAL(clicked()), this,SLOT(ClickedToolbtn())); connect(ui->OKbtn,SIGNAL(clicked()), this,SLOT(ClickOKbtn())); } MainWindow::~MainWindow() { delete ui; } void MainWindow::ClickOKbtn() { QString lsfile=File; File=ui->txt->text(); if(File==NULL) File=lsfile; QIcon systemIco; if(File[File.size()-1]=='e'){ QFileInfo file_info=File; QFileIconProvider provider; systemIco=provider.icon(file_info); } else if(File[File.size()-1]=='g'||File[File.size()-1]=='o'){ systemIco=QIcon(File); } else{ QMessageBox::information(this,"Wrong","File name problem!"); } // myTrayIocn->~QSystemTrayIcon(); // myTrayIocn=new QSystemTrayIcon(systemIco,this); // myTrayIocn->setContextMenu(ui->menu_F); // myTrayIocn->show(); myTrayIocn->setIcon(systemIco); this->hide(); myTrayIocn->showMessage(notice,say); } void MainWindow::ClickedToolbtn() { QString lsfile=File; File=QFileDialog::getOpenFileName(this,tr("OpenFileDialog"),tr(":/"),QString("%1(*.png *.ico);;%2(*.exe)").arg(QString::fromLocal8Bit("图像")).arg(QString::fromLocal8Bit("应用陈序"))); if(File==NULL) File=lsfile; ui->txt->setText(File); /**/ //tr("图像(*.png);;应用程序(*.exe)") } void MainWindow::activated(QSystemTrayIcon::ActivationReason reason) { switch(reason) { case QSystemTrayIcon::Trigger: this->hide(); break; case QSystemTrayIcon::DoubleClick: this->showNormal(); break; default:break; } }