Move the log popup to the main window

The quiz reports point changes with an event_logged signal, and the main
window adds them to the log. Alt+L is handled by the main window.

quiz.gd

@@ -11,6 +11,9 @@ extends Control
 ## reloaded from it.
 signal server_changed
 
+## Emitted with a line for the game log, e.g. when a player gets a point.
+signal event_logged(text: String)
+
 @onready
 var open_button: Button = $Open
 
@@ -50,9 +53,6 @@ var new_character_select: Control = %NewCharacterSelect
 @onready
 var music_player_container: MusicPlayer = $MusicPlayer
 
-@onready
-var log_window: Control = %Log
-
 @onready
 var debug_label: Label = $DebugLabel
 
@@ -117,8 +117,6 @@ func _input(event: InputEvent) -> void:
 		if event.alt_pressed && event.keycode == KEY_RIGHT:
 			print("Alt + RIGHT pressed")
 			music_player_container.seek(5)
-		if event.alt_pressed && event.keycode == KEY_L:
-			log_window.toggle()
 
 
 ## Disables the buttons that use the song list while the server syncs it.
@@ -168,7 +166,7 @@ func play_next_song() -> void:
 
 
 func _popups() -> Array[PopupWindow]:
-	return [settings_window, new_character_select, winner_window, log_window]
+	return [settings_window, new_character_select, winner_window]
 
 
 # The cache size can be changed in the settings. Waiting until the settings are closed
@@ -245,7 +243,7 @@ func _on_player_added(new_player_object: PlayerObject) -> void:
 
 func _on_point_given(player_object: PlayerObject) -> void:
 	print("_on_point_given")
-	log_window.add_log_row(player_object.player_name + " got a point")
+	event_logged.emit(player_object.player_name + " got a point")
 	if Playlist.currently_playing_song >= 0:
 		Playlist.add_point(player_object.id)
 	update_song_list()
@@ -257,7 +255,7 @@ func _on_make_point_given_sound() -> void:
 
 func _on_point_taken(player_object: PlayerObject) -> void:
 	print("_on_point_taken")
-	log_window.add_log_row(player_object.player_name + " lost a point")
+	event_logged.emit(player_object.player_name + " lost a point")
 	music_player_container.play_sound_effect(preload("res://sounds/itemequip.wav"))
 	if Playlist.currently_playing_song >= 0:
 		Playlist.remove_point(player_object.id)