Qt最小化到托盤、恢複并置頂
在window.h檔案中添加如下内容:
//window.h
QSystemTrayIcon *trayicon;
QMenu *trayiconMenu;
//托盤點選處理槽函數
private slots:
void onSystemTrayIconClicked(QSystemTrayIcon::ActivationReason reason);
在window.cpp檔案中添加如下内容,在構造函數中對添加的兩個變量進行初始化添加托盤圖示,連結槽函數,其中槽函數用于響應在托盤圖示及托盤菜單上的滑鼠點選操作:
//window.cpp
trayicon = new QSystemTrayIcon(this);
connect(trayicon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(onSystemTrayIconClicked(QSystemTrayIcon::ActivationReason)));
QIcon icon("MyICO.ico");
trayicon->setIcon(icon);
trayicon->show();
//最小化處理
void Window::changeEvent(QEvent *e)
{
if((e->type()==QEvent::WindowStateChange)&&this->isMinimized())
{
this->hide();
// QTimer::singleShot(100, this, SLOT(close()));
}
}
//實作槽函數
void BluetoothSMS::onSystemTrayIconClicked(QSystemTrayIcon::ActivationReason reason)
{
switch(reason)
{
//單擊
case QSystemTrayIcon::Trigger:
//輕按兩下
case QSystemTrayIcon::DoubleClick:
if(this->isHidden())
{
//恢複視窗顯示
this->show();
//一下兩句缺一均不能有效将視窗置頂
this->setWindowState(Qt::WindowActive);
this->activateWindow();
ui->MsgText->setFocus();
}
else
{
this->hide();
}
break;
default:
break;
}
}