Implement device renaming

src/backend/matrix_client.py

@@ -1258,7 +1258,7 @@ class MatrixClient(nio.AsyncClient):
 
 
     async def devices_info(self) -> List[Dict[str, Any]]:
-        """Get list of devices and their info for our user."""
+        """Get sorted list of devices and their info for our user."""
 
         def get_type(device_id: str) -> str:
             # Return "current", "verified", "blacklisted", "ignored" or "unset"
@@ -1301,6 +1301,16 @@ class MatrixClient(nio.AsyncClient):
         )
 
 
+    async def rename_device(self, device_id: str, name: str) -> bool:
+        """Rename one of our device, return `False` if it doesn't exist."""
+
+        try:
+            await self.update_device(device_id, {"display_name": name})
+            return True
+        except MatrixNotFound:
+            return False
+
+
     # Functions to register/modify data into models
 
     async def update_account_unread_counts(self) -> None:

src/gui/Pages/AccountSettings/DeviceDelegate.qml

@@ -12,6 +12,8 @@ HTile {
 
     property HListView view
 
+    signal renameDeviceRequest(string name)
+
 
     backgroundColor: "transparent"
     compact: false
@@ -81,6 +83,7 @@ HTile {
                 width: parent.width
                 defaultText: model.display_name
                 horizontalAlignment: Qt.AlignHCenter
+                onAccepted: renameDeviceRequest(text)
             }
         }
 

src/gui/Pages/AccountSettings/Sessions.qml

@@ -29,6 +29,16 @@ HColumnPage {
         })
     }
 
+    function renameDevice(index, name) {
+        const device = deviceList.model.get(index)
+
+        device.display_name = name
+
+        py.callClientCoro(userId, "rename_device", [device.id, name], ok => {
+            if (! ok) deviceList.model.remove(index)  // 404 happened
+        })
+    }
+
 
     footer: ButtonLayout {
         visible: height >= 0
@@ -67,6 +77,7 @@ HColumnPage {
         delegate: DeviceDelegate {
             width: deviceList.width
             view: deviceList
+            onRenameDeviceRequest: name => renameDevice(model.index, name)
         }
 
         section.property: "type"