klippy: Convert printer_state("ready") to an event handler

Convert all users of the printer_state("ready") handler to register a
"klippy:ready" event handler instead.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 19 insertions, 19 deletions

diff --git a/klippy/extras/display/display.py b/klippy/extras/display/display.py
index 8e05cd2d..e83ed1a4 100644
--- a/klippy/extras/display/display.py
+++ b/klippy/extras/display/display.py
@@ -26,29 +26,29 @@ class PrinterLCD:
         # printer objects
         self.gcode = self.toolhead = self.sdcard = None
         self.fan = self.extruder0 = self.extruder1 = self.heater_bed = None
+        self.printer.register_event_handler("klippy:ready", self.handle_ready)
         # screen updating
         self.screen_update_timer = self.reactor.register_timer(
             self.screen_update_event)
     # Initialization
-    def printer_state(self, state):
-        if state == 'ready':
-            self.lcd_chip.init()
-            # Load printer objects
-            self.gcode = self.printer.lookup_object('gcode')
-            self.toolhead = self.printer.lookup_object('toolhead')
-            self.sdcard = self.printer.lookup_object('virtual_sdcard', None)
-            self.fan = self.printer.lookup_object('fan', None)
-            self.extruder0 = self.printer.lookup_object('extruder0', None)
-            self.extruder1 = self.printer.lookup_object('extruder1', None)
-            self.heater_bed = self.printer.lookup_object('heater_bed', None)
-            self.prg_time = .0
-            self.progress = None
-            self.msg_time = None
-            self.message = None
-            self.gcode.register_command('M73', self.cmd_M73)
-            self.gcode.register_command('M117', self.cmd_M117)
-            # Start screen update timer
-            self.reactor.update_timer(self.screen_update_timer, self.reactor.NOW)
+    def handle_ready(self):
+        self.lcd_chip.init()
+        # Load printer objects
+        self.gcode = self.printer.lookup_object('gcode')
+        self.toolhead = self.printer.lookup_object('toolhead')
+        self.sdcard = self.printer.lookup_object('virtual_sdcard', None)
+        self.fan = self.printer.lookup_object('fan', None)
+        self.extruder0 = self.printer.lookup_object('extruder0', None)
+        self.extruder1 = self.printer.lookup_object('extruder1', None)
+        self.heater_bed = self.printer.lookup_object('heater_bed', None)
+        self.prg_time = .0
+        self.progress = None
+        self.msg_time = None
+        self.message = None
+        self.gcode.register_command('M73', self.cmd_M73)
+        self.gcode.register_command('M117', self.cmd_M117)
+        # Start screen update timer
+        self.reactor.update_timer(self.screen_update_timer, self.reactor.NOW)
     # Get menu instance
     def get_menu(self):
         return self.menu