Implement UI scaling setting. (#661)

src/GlobalSettings.gd

@@ -58,6 +58,7 @@ const default_config = {
 		"use_ctrl_for_zoom": true,
 		"use_native_file_dialog": true,
 		"handle_size": 1.0,
+		"ui_scale": 1.0,
 	},
 }
 
@@ -137,7 +138,10 @@ var wrap_mouse := false
 var use_ctrl_for_zoom := true
 var use_native_file_dialog := true
 var handle_size := 1.0
-
+var ui_scale := 1.0:
+	set(new_value):
+		ui_scale = new_value
+		update_ui_scale()
 
 func toggle_bool_setting(section: String, setting: String) -> void:
 	set(setting, !get(setting))
@@ -185,6 +189,7 @@ func _enter_tree() -> void:
 	load_user_data()
 	DisplayServer.window_set_mode(save_data.window_mode)
 	get_window().wrap_controls = true  # Prevents the main window from getting too small.
+	update_ui_scale()
 	ThemeGenerator.generate_theme()
 
 
@@ -235,3 +240,10 @@ func get_validity_color(error_condition: bool, warning_condition := false) -> Co
 	return GlobalSettings.basic_color_error if error_condition else\
 			GlobalSettings.basic_color_warning if warning_condition else\
 			GlobalSettings.basic_color_valid
+
+func update_ui_scale() -> void:
+	await get_tree().process_frame
+	var window := get_window()
+	var new_min_size := window.get_contents_minimum_size() * ui_scale
+	window.min_size = new_min_size
+	window.content_scale_factor = ui_scale

src/ui_parts/settings_menu.gd

@@ -58,17 +58,25 @@ func setup_setting_labels() -> void:
 
 	var invert_zoom := %ContentContainer/Other/OtherSettings/Input/InvertZoom
 	invert_zoom.label.text = tr("Invert zoom direction")
-	invert_zoom.label.tooltip_text = tr("Swaps zoom in and zoom out with the mouse wheel.")
+	invert_zoom.tooltip_text = tr("Swaps zoom in and zoom out with the mouse wheel.")
+
 	wrap_mouse.label.text = tr("Wrap mouse")
-	wrap_mouse.label.tooltip_text = tr("Wraps the mouse cursor around when panning the viewport.")
+	wrap_mouse.tooltip_text = tr("Wraps the mouse cursor around when panning the viewport.")
+
 	var ctrl_for_zoom := %ContentContainer/Other/OtherSettings/Input/UseCtrlForZoom
 	ctrl_for_zoom.label.text = tr("Use CTRL for zooming")
-	ctrl_for_zoom.label.tooltip_text = tr("If turned on, scrolling will pan the view. To zoom, hold CTRL while scrolling.")
+	ctrl_for_zoom.tooltip_text = tr("If turned on, scrolling will pan the view. To zoom, hold CTRL while scrolling.")
+
 	use_native_file_dialog.label.text = tr("Use native file dialog")
-	use_native_file_dialog.label.tooltip_text = tr("If turned on, uses your operating system's native file dialog. If turned off, uses GodSVG's built-in file dialog.")
+	use_native_file_dialog.tooltip_text = tr("If turned on, uses your operating system's native file dialog. If turned off, uses GodSVG's built-in file dialog.")
+
 	var handles_size := %ContentContainer/Other/OtherSettings/Misc/HandleSize
 	handles_size.label.text = tr("Handles size")
-	handles_size.label.tooltip_text = tr("Increases the visual size and grabbing area of handles.")
+	handles_size.tooltip_text = tr("Increases the visual size and grabbing area of handles.")
+
+	var ui_scale := %ContentContainer/Other/OtherSettings/Misc/UIScale
+	ui_scale.label.text = tr("UI scale")
+	ui_scale.tooltip_text = tr("Changes the scale of the visual user interface.")
 
 	%GeneralVBox/NumberPrecision.label.text = tr("Number precision digits")
 	%GeneralVBox/AnglePrecision.label.text = tr("Angle precision digits")

src/ui_parts/settings_menu.tscn

@@ -494,20 +494,17 @@ text = "Input"
 
 [node name="InvertZoom" parent="VBoxContainer/HBoxContainer/MainPanel/ContentContainer/Other/OtherSettings/Input" instance=ExtResource("4_2qeh2")]
 layout_mode = 2
-tooltip_text = "Swaps zoom in and zoom out with the mouse wheel."
 section_name = "other"
 setting_name = "invert_zoom"
 
 [node name="WrapMouse" parent="VBoxContainer/HBoxContainer/MainPanel/ContentContainer/Other/OtherSettings/Input" instance=ExtResource("4_2qeh2")]
 unique_name_in_owner = true
 layout_mode = 2
-tooltip_text = "Wraps the mouse cursor around when panning the viewport."
 section_name = "other"
 setting_name = "wrap_mouse"
 
 [node name="UseCtrlForZoom" parent="VBoxContainer/HBoxContainer/MainPanel/ContentContainer/Other/OtherSettings/Input" instance=ExtResource("4_2qeh2")]
 layout_mode = 2
-tooltip_text = "If turned on, scrolling will pan the view. To zoom, hold CTRL while scrolling."
 section_name = "other"
 setting_name = "use_ctrl_for_zoom"
 
@@ -524,7 +521,6 @@ text = "Miscellaneous"
 [node name="UseNativeFileDialog" parent="VBoxContainer/HBoxContainer/MainPanel/ContentContainer/Other/OtherSettings/Misc" instance=ExtResource("4_2qeh2")]
 unique_name_in_owner = true
 layout_mode = 2
-tooltip_text = "Swaps zoom in and zoom out with the mouse wheel."
 section_name = "other"
 setting_name = "use_native_file_dialog"
 
@@ -538,6 +534,16 @@ restricted = false
 number_min = 0.5
 number_max = 2.5
 
+[node name="UIScale" parent="VBoxContainer/HBoxContainer/MainPanel/ContentContainer/Other/OtherSettings/Misc" instance=ExtResource("5_dx7vp")]
+layout_mode = 2
+section_name = "other"
+setting_name = "ui_scale"
+values = Array[String](["0.75", "1.0", "1.25", "1.5", "1.75", "2.0"])
+type = 3
+restricted = false
+number_min = 0.5
+number_max = 2.5
+
 [node name="CloseButton" type="Button" parent="VBoxContainer"]
 layout_mode = 2
 size_flags_horizontal = 4

translations/GodSVG.pot

@@ -44,6 +44,11 @@ msgstr ""
 msgid ""
 "If turned on, scrolling will pan the view. To zoom, hold CTRL while "
 "scrolling."
+
+msgid "UI scale"
+msgstr ""
+
+msgid "Changes the scale of the visual user interface."
 msgstr ""
 
 msgid "Input"

translations/bg.po

@@ -49,6 +49,13 @@ msgstr ""
 "Когато е включено, влаченето ще премести гледката. За увеличение, натисни "
 "CTRL докато влачиш"
 
+#, fuzzy
+msgid "UI scale"
+msgstr "Мащаб"
+
+msgid "Changes the scale of the visual user interface."
+msgstr ""
+
 msgid "Input"
 msgstr "Входни сигнали"
 

translations/de.po

@@ -50,6 +50,13 @@ msgstr ""
 "Wenn diese Option aktiviert ist, wird durch Scrollen die Ansicht geschwenkt. "
 "Halten Sie zum Zoomen beim Scrollen die Strg-Taste gedrückt."
 
+#, fuzzy
+msgid "UI scale"
+msgstr "Skalieren"
+
+msgid "Changes the scale of the visual user interface."
+msgstr ""
+
 msgid "Input"
 msgstr "Eingabe"
 

translations/en.po

@@ -47,6 +47,12 @@ msgid ""
 "scrolling."
 msgstr ""
 
+msgid "UI scale"
+msgstr ""
+
+msgid "Changes the scale of the visual user interface."
+msgstr ""
+
 msgid "Input"
 msgstr ""
 

translations/ru.po

@@ -52,6 +52,13 @@ msgstr ""
 "Если включено, прокрутка будет перемещать окно просмотра. Чтобы "
 "масштабировать Зажмите CTRL когда прокручиваете."
 
+#, fuzzy
+msgid "UI scale"
+msgstr "Масштаб"
+
+msgid "Changes the scale of the visual user interface."
+msgstr ""
+
 msgid "Input"
 msgstr "Устройства ввода"
 

translations/uk.po

@@ -53,6 +53,13 @@ msgstr ""
 "Якщо увімкнено, гортання буде рухати вікно перегляду. Щоб масштабувати, "
 "затисніть CTRL доки гортаєте."
 
+#, fuzzy
+msgid "UI scale"
+msgstr "Масштаб"
+
+msgid "Changes the scale of the visual user interface."
+msgstr ""
+
 msgid "Input"
 msgstr "Пристрої вводу"