lemonbar: Trigger formatting on mode cycle and i3ws events

.i3/lemonbar/i3_lemonbar_modules.py

@@ -368,7 +368,6 @@ ${exec ~/.i3/lemonbar/get_vol.sh}"""
 
 class i3Module(LemonModule):
     # Handles outputs (displays), workspaces and active window
-    # TODO trigger formatting
 
     def __init__(self, lemonbar_wrapper):
         super().__init__(lemonbar_wrapper)
@@ -398,6 +397,9 @@ class i3Module(LemonModule):
         self.i3_ws_obj.change_callbacks.append(self.parse_workspaces)
         self.i3_ws_obj.focus_callbacks.append(self.parse_title)
 
+        # Callback after all other actions should flush the bar
+        self.i3_ws_obj.final_callback = self.update_bar
+
         # Add callbacks for special actions
         self.i3_ws_obj.change_callbacks.append(self.set_bg)
         self.i3_ws_obj.focus_callbacks.append(self.set_keymap)
@@ -478,6 +480,11 @@ class i3Module(LemonModule):
             , parser.block(fg=config.color_sec_b2, bg='-')
             , i3ws.focused_window.name])
 
+
+    def update_bar(self, i3ws):
+        parsed = parser.format_line() # Construct entire line
+        self.lemonbar_wrapper.buffer_in.put(parsed)
+
     def format_displays(self):
         return self.displays
 
@@ -536,7 +543,7 @@ class i3Module(LemonModule):
         else:
             new_km = self.def_keymap
             common.logger.debug('Setting default keymap {} for {}'.format(new_km, wclass))
-        subprocess.call(['/home/kuba/.i3/scripts/lang.sh', 'qset', new_km]) # TODO it is this script that writes to fifo, triggering the formatting
+        subprocess.call(['/home/kuba/.i3/scripts/lang.sh', 'qset', new_km]) # TODO rework lang script (after fifo for executing commands)
 
     def i3msg_comm(self, *cmd):
         self.i3_ws_obj.command(' '.join(cmd))
@@ -550,6 +557,9 @@ class i3Module(LemonModule):
                 common.mode = m
                 break
 
+        parsed = parser.format_line()
+        self.lemonbar_wrapper.buffer_in.put(parsed)
+
 class ScreenModule(LemonModule):
     """
     @ignore host kubaArch-Desktop