wpa_gui: More informative tray icon tool tip message

Show associated network SSID in the tool tip message of the
application's tray icon. When network is not associated, then simple
"(not-associated)" message is shown.

Signed-off-by: Arkadiusz Bokowy <arkadiusz.bokowy@gmail.com>

wpa_supplicant/wpa_gui-qt4/wpagui.cpp

@@ -492,6 +492,7 @@ void WpaGui::updateStatus()
 		textSsid->clear();
 		textBssid->clear();
 		textIpAddress->clear();
+		updateTrayToolTip(tr("no status information"));
 
 #ifdef CONFIG_NATIVE_WINDOWS
 		static bool first = true;
@@ -539,6 +540,7 @@ void WpaGui::updateStatus()
 			} else if (strcmp(start, "ssid") == 0) {
 				ssid_updated = true;
 				textSsid->setText(pos);
+				updateTrayToolTip(pos + tr(" (associated)"));
 			} else if (strcmp(start, "ip_address") == 0) {
 				ipaddr_updated = true;
 				textIpAddress->setText(pos);
@@ -586,8 +588,10 @@ void WpaGui::updateStatus()
 		textStatus->clear();
 	if (!auth_updated)
 		textAuthentication->clear();
-	if (!ssid_updated)
+	if (!ssid_updated) {
 		textSsid->clear();
+		updateTrayToolTip(tr("(not-associated)"));
+	}
 	if (!bssid_updated)
 		textBssid->clear();
 	if (!ipaddr_updated)
@@ -1271,7 +1275,6 @@ void WpaGui::createTrayIcon(bool trayOnly)
 	QApplication::setQuitOnLastWindowClosed(false);
 
 	tray_icon = new QSystemTrayIcon(this);
-	tray_icon->setToolTip(qAppName() + tr(" - wpa_supplicant user interface"));
 	if (QImageReader::supportedImageFormats().contains(QByteArray("svg")))
 		tray_icon->setIcon(QIcon(":/icons/wpa_gui.svg"));
 	else
@@ -1408,6 +1411,13 @@ void WpaGui::showTrayStatus()
 }
 
 
+void WpaGui::updateTrayToolTip(const QString &msg)
+{
+	if (tray_icon)
+		tray_icon->setToolTip(msg);
+}
+
+
 void WpaGui::closeEvent(QCloseEvent *event)
 {
 	if (eh) {

wpa_supplicant/wpa_gui-qt4/wpagui.h

@@ -70,6 +70,7 @@ public slots:
 	virtual void showTrayMessage(QSystemTrayIcon::MessageIcon type,
 				     int sec, const QString &msg);
 	virtual void showTrayStatus();
+	virtual void updateTrayToolTip(const QString &msg);
 	virtual void wpsDialog();
 	virtual void peersDialog();
 	virtual void tabChanged(int index);