Регрессия. Производительность. Обращение к полю Control.bg_color занимает очень много времени

table/lable.gd

@@ -1,19 +1,24 @@
 extends Label
 
+static var styles: = [null, null]
+static var init_done: = false
 
-func _enter_tree() -> void:
+
+func _init() -> void:
+    if init_done:
+        init_done = true
+        var style_light: = get_theme_stylebox('normal')
+        style_light.bg_color = Color.GRAY
+        styles[1] = style_light
+        var style_dark: = style_light.duplicate(true)
+        style_dark.bg_color = Color(0.12, 0.12, 0.12)
+        styles[0] = style_dark
     ProjectSettings.connect('settings_changed', apply_colors)
-
-
-func _exit_tree() -> void:
-    ProjectSettings.disconnect('settings_changed', apply_colors)
+    apply_colors()
 
 
 func apply_colors():
-    var is_light: bool = ProjectSettings.get_setting('application/config/Цвет темы программы', false)
-    var style = get_theme_stylebox('normal').duplicate()
-    if is_light:
-        style.bg_color = Color.GRAY
+    if ProjectSettings.get_setting('application/config/%s' % 'Цвет темы программы', false):
+        add_theme_stylebox_override('normal', styles[1])
     else:
-        style.bg_color = Color(0.12, 0.12, 0.12)
-    add_theme_stylebox_override('normal', style)
+        add_theme_stylebox_override('normal', styles[0])

table/node.gd

@@ -1,23 +1,28 @@
 extends LineEdit
 
 
-func _enter_tree() -> void:
+static var styles: = [null, null]
+static var init_done: = false
+
+func _init() -> void:
+    if not init_done:
+        init_done = true
+        var style_light: = get_theme_stylebox('read_only')
+        style_light.bg_color = Color.GRAY
+        styles[1] = style_light
+        var style_dark: = style_light.duplicate(true)
+        style_dark.bg_color = Color(0.12, 0.12, 0.12)
+        styles[0] = style_dark
     ProjectSettings.connect('settings_changed', apply_colors)
-
-
-func _exit_tree() -> void:
-    ProjectSettings.disconnect('settings_changed', apply_colors)
+    apply_colors()
 
 
 func apply_colors():
-    var is_light: bool = ProjectSettings.get_setting('application/config/Цвет темы программы', false)
-    var style = get_theme_stylebox('read_only').duplicate()
-    if is_light:
-        style.bg_color = Color.GRAY
+    if ProjectSettings.get_setting('application/config/%s' % 'Цвет темы программы', false):
         add_theme_color_override('font_color_readonly', Color.BLACK)
         add_theme_color_override('font_color_placeholder', Color(0, 0, 0, 0.5))
+        add_theme_stylebox_override('read_only', styles[1])
     else:
-        style.bg_color = Color(0.12, 0.12, 0.12)
         add_theme_color_override('font_color_readonly', Color('#D8731A')) # тёмно-оранжевый
         add_theme_color_override('font_color_placeholder', Color(1, 1, 1, 0.5))
-    add_theme_stylebox_override('read_only', style)
+        add_theme_stylebox_override('read_only', styles[0])

table/set-toggle.gd

@@ -1,10 +1,20 @@
 extends LineEdit
 
+static var styles = [null, null]
+static var init_done: = false
+
 var checkbutton_material: Material
 
 
-func _enter_tree() -> void:
-    ProjectSettings.connect('settings_changed', on_setting_changed)
+func _init() -> void:
+    if not init_done:
+        init_done = true
+        var style_light: = get_theme_stylebox('read_only')
+        style_light.bg_color =  Color.GRAY
+        styles[1] = style_light
+        var style_dark: = style_light.duplicate(true)
+        style_dark.bg_color = Color(0.12, 0.12, 0.12)
+        styles[0] = style_dark
 
 
 func _exit_tree() -> void:
@@ -12,21 +22,14 @@ func _exit_tree() -> void:
 
 
 func on_setting_changed():
-    var cb = $CheckButton
-    checkbutton_material = cb.material
+    checkbutton_material = $CheckButton.material
     apply_colors()
 
 
 func apply_colors():
-    var is_light: bool = ProjectSettings.get_setting('application/config/Цвет темы программы', false)
-    var style = get_theme_stylebox('read_only').duplicate()
-    if is_light:
-        style.bg_color = Color.GRAY
+    if ProjectSettings.get_setting('application/config/%s' % 'Цвет темы программы', false):
+        add_theme_stylebox_override('read_only', styles[1])
+        $CheckButton.material = null
     else:
-        style.bg_color = Color(0.12, 0.12, 0.12)
-    add_theme_stylebox_override('read_only', style)
-    var cb = $CheckButton
-    if is_light:
-        cb.material = null
-    else:
-        cb.material = checkbutton_material
+        add_theme_stylebox_override('read_only', styles[0])
+        $CheckButton.material = checkbutton_material

table/settings-toggle.gd

@@ -1,10 +1,21 @@
 extends LineEdit
 
+static var styles = [null, null]
+static var init_done: = false
+
 var checkbutton_material: Material
 
 
-func _ready() -> void:
+func _init() -> void:
     ProjectSettings.connect('settings_changed', on_setting_changed)
+    if not init_done:
+        init_done = true
+        var style_light: = get_theme_stylebox('read_only')
+        style_light.bg_color = Color.GRAY
+        styles[1] = style_light
+        var style_dark: = style_light.duplicate(true)
+        style_dark.bg_color = Color(0.12, 0.12, 0.12)
+        styles[0] = style_dark
 
 
 func on_setting_changed():
@@ -13,15 +24,10 @@ func on_setting_changed():
 
 
 func apply_colors():
-    var is_light: bool = ProjectSettings.get_setting('application/config/Цвет темы программы', false)
-    var style = get_theme_stylebox('read_only').duplicate()
+    var is_light: bool = ProjectSettings.get_setting('application/config/%s' % 'Цвет темы программы', false)
     if is_light:
-        style.bg_color = Color.GRAY
+        add_theme_stylebox_override('read_only', styles[1])
+        $CheckButton.material = null
     else:
-        style.bg_color = Color(0.12, 0.12, 0.12)
-    add_theme_stylebox_override('read_only', style)
-    var cb = $CheckButton
-    if is_light:
-        cb.material = null
-    else:
-        cb.material = checkbutton_material
+        add_theme_stylebox_override('read_only', styles[0])
+        $CheckButton.material = checkbutton_material

table/ячейка-2.gd

@@ -1,23 +1,38 @@
 extends LineEdit
 
+static var styles = [[null, null], [null, null]]
+static var init_done: = false
 
-func _enter_tree() -> void: ProjectSettings.connect('settings_changed', apply_colors)
-func _exit_tree() -> void: ProjectSettings.disconnect('settings_changed', apply_colors)
+
+func _init() -> void:
+    ProjectSettings.connect('settings_changed', apply_colors)
+    if not init_done:
+        init_done = true
+        var style_0_light = get_theme_stylebox('normal')
+        var style_1_light = get_theme_stylebox('read_only')
+
+        style_0_light.bg_color = Color(0.12, 0.12, 0.12)
+        style_1_light.bg_color = Color(0.12, 0.12, 0.12)
+        styles[1][0] = style_0_light
+        styles[1][1] = style_1_light
+
+        var style_0_dark = style_0_light.duplicate(true)
+        var style_1_dark = style_1_light.duplicate(true)
+
+        style_0_light.bg_color = Color.GRAY
+        style_1_light.bg_color = Color.GRAY
+        styles[0][0] = style_0_dark
+        styles[0][1] = style_1_dark
 
 
 func apply_colors():
-    var is_light: bool = ProjectSettings.get_setting('application/config/Цвет темы программы', false)
-    var style = get_theme_stylebox('normal').duplicate()
-    var style_1 = get_theme_stylebox('read_only').duplicate()
-    if is_light:
-        style.bg_color = Color.GRAY
-        style_1.bg_color = Color.GRAY
+    if ProjectSettings.get_setting('application/config/%s' % 'Цвет темы программы', false):
         add_theme_color_override('font_color', Color.BLACK)
         add_theme_color_override('font_uneditable_color', Color.BLACK)
+        add_theme_stylebox_override('normal',    styles[1][0])
+        add_theme_stylebox_override('read_only', styles[1][1])
     else:
-        style.bg_color = Color(0.12, 0.12, 0.12)
-        style_1.bg_color = Color(0.12, 0.12, 0.12)
         add_theme_color_override('font_color', Color(1.0, 0.596, 0.4))
         add_theme_color_override('font_uneditable_color', Color(1.0, 0.596, 0.4))
-    add_theme_stylebox_override('normal', style)
-    add_theme_stylebox_override('read_only', style_1)
+        add_theme_stylebox_override('normal',    styles[0][0])
+        add_theme_stylebox_override('read_only', styles[0][1])

table/ячейка-цвет.gd

@@ -1,19 +1,23 @@
 extends ColorPickerButton
 
+static var styles = [null, null]
+static var init_done: = false
 
-func _enter_tree() -> void:
+
+func _init() -> void:
     ProjectSettings.connect('settings_changed', apply_colors)
-
-
-func _exit_tree() -> void:
-    ProjectSettings.disconnect('settings_changed', apply_colors)
+    if not init_done:
+        init_done = true
+        var style_light: = get_theme_stylebox('normal')
+        style_light.bg_color = Color.GRAY
+        styles[1] = style_light
+        var style_dark: = style_light.duplicate(true)
+        style_dark.bg_color = Color(0.12, 0.12, 0.12)
+        styles[0] = style_dark
 
 
 func apply_colors():
-    var is_light: bool = ProjectSettings.get_setting('application/config/Цвет темы программы', false)
-    var style = get_theme_stylebox('normal').duplicate()
-    if is_light:
-        style.bg_color = Color.GRAY
+    if ProjectSettings.get_setting('application/config/%s' % 'Цвет темы программы', false):
+        add_theme_stylebox_override('normal', styles[1])
     else:
-        style.bg_color = Color(0.12, 0.12, 0.12)
-    add_theme_stylebox_override('normal', style)
+        add_theme_stylebox_override('normal', styles[0])