diff --git a/README.md b/README.md
index db55fdc..a1465fa 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,8 @@ extension emit one of the following signals :
   * onRightClick
   * onDblClick
   * onRightDblClick
+  * onEnter
+  * onLeave
 
 Other signals are available when extension is activated/deactivated :
 
diff --git a/dbus.xml b/dbus.xml
index 6cc828e..4819b05 100644
--- a/dbus.xml
+++ b/dbus.xml
@@ -9,6 +9,15 @@
   <method name="deleteGroups">
     <arg type="s" direction="in" />
   </method>
+  <method name="openPopup">
+    <arg type="s" direction="in" />
+  </method>
+  <method name="closePopup">
+    <arg type="s" direction="in" />
+  </method>
+  <method name="togglePopup">
+    <arg type="s" direction="in" />
+  </method>
   <!-- Click events -->
   <signal name="onClick">
     <arg type="s" direction="out" />
@@ -22,6 +31,12 @@
   <signal name="onRightDblClick">
     <arg type="s" direction="out" />
   </signal>
+  <signal name="onEnter">
+    <arg type="s" direction="out" />
+  </signal>
+  <signal name="onLeave">
+    <arg type="s" direction="out" />
+  </signal>
   <!-- Activate/Deactivate signals -->
   <signal name="onActivate">
   </signal>
diff --git a/extension.js b/extension.js
index e29bd51..56c5129 100644
--- a/extension.js
+++ b/extension.js
@@ -420,6 +420,18 @@ class MonitorWidget extends PanelMenu.Button {
 	this.onLeave = hash_get(item, 'on-leave', this.onLeave);
     }
 
+    openPopup() {
+	this.menu.open(true);
+    }
+    
+    closePopup() {
+	this.menu.close();
+    }
+
+    togglePopup() {
+	this.menu.toggle();
+    }
+
     destroy() {
 	this.menu.close();
 	super.destroy();
@@ -498,6 +510,17 @@ class GenericMonitorDBUS {
         return null;
     }
 
+    _getItemFromFullName(fullname) {
+	let splitName = fullname.split('@');
+        if (splitName.length !== 2) {
+	    log(`Invalid name ${item}`);
+	    return null;
+	}
+	if (!this.monitor_groups.hasOwnProperty(splitName[1]))
+	    return null;
+	return this._getItemFromGroup(this.monitor_groups[splitName[1]], splitName[0]);
+    }
+    
     _removeFromArray(array, value) {
         for(let i=0; i<array.length; i++) {
             if (array[i] === value) {
@@ -573,13 +596,13 @@ class GenericMonitorDBUS {
 
         for (let itemIndex in parameters['items']) {
             let itemName = parameters['items'][itemIndex];
-            let fullName = itemName.split('@');
-            if (fullName.length !== 2) {
+            let splitName = itemName.split('@');
+            if (splitName.length !== 2) {
 		log(`Invalid name ${itemName}`);
 		return false;
 	    }
-            itemName = fullName[0];
-            let groupName = fullName[1];
+            itemName = splitName[0];
+            let groupName = splitName[1];
             if (!this.monitor_groups.hasOwnProperty(groupName))
                 continue;
             let group = this.monitor_groups[groupName];
@@ -614,6 +637,41 @@ class GenericMonitorDBUS {
         }
     }
 
+    _popupFunction(str) {
+        let parameters = JSON.parse(str);
+
+        if (!parameters.hasOwnProperty('item')) {
+	    log('No item defined');
+	    return false;
+	}
+
+	let monitorWidget = this._getItemFromFullName(parameters['item']);
+	if (monitorWidget !== null)
+	    return monitorWidget;
+	else
+	    log(`Item ${str} not found`);
+
+	return null;
+    }
+    
+    openPopup(str) {
+	let monitorWidget = this._popupFunction(str)
+	if (monitorWidget !== null)
+	    monitorWidget.openPopup();
+    }
+
+    closePopup(str) {
+	let monitorWidget = this._popupFunction(str)
+	if (monitorWidget !== null)
+	    monitorWidget.closePopup();
+    }
+
+    togglePopup(str) {
+	let monitorWidget = this._popupFunction(str)
+	if (monitorWidget !== null)
+	    monitorWidget.togglePopup();
+    }
+
     destructor() {
         this._dbusImpl.emit_signal('onDeactivate', null);
         for (let groupIndex in this.monitor_groups) {