Merge pull request #275 from DoomTas3r/zoom-in-and-out-buttons

Zoom in and out buttons

Author: manuq

addons/block_code/ui/block_canvas/block_canvas.gd

@@ -33,9 +33,14 @@ const ZOOM_FACTOR: float = 1.1
 @onready var _replace_block_code_button: Button = %ReplaceBlockCodeButton
 
 @onready var _open_scene_icon = _open_scene_button.get_theme_icon("Load", "EditorIcons")
+@onready var _icon_zoom_out := EditorInterface.get_editor_theme().get_icon("ZoomLess", "EditorIcons")
+@onready var _icon_zoom_in := EditorInterface.get_editor_theme().get_icon("ZoomMore", "EditorIcons")
 
 @onready var _mouse_override: Control = %MouseOverride
+@onready var _zoom_buttons: HBoxContainer = %ZoomButtons
+@onready var _zoom_out_button: Button = %ZoomOutButton
 @onready var _zoom_button: Button = %ZoomButton
+@onready var _zoom_in_button: Button = %ZoomInButton
 
 var _current_block_script: BlockScriptSerialization
 var _current_ast_list: ASTList
@@ -58,6 +63,10 @@ func _ready():
 
 	if not _open_scene_button.icon and not Util.node_is_part_of_edited_scene(self):
 		_open_scene_button.icon = _open_scene_icon
+	if not _zoom_out_button.icon:
+		_zoom_out_button.icon = _icon_zoom_out
+	if not _zoom_in_button.icon:
+		_zoom_in_button.icon = _icon_zoom_in
 
 
 func _can_drop_data(at_position: Vector2, data: Variant) -> bool:
@@ -140,7 +149,7 @@ func _on_context_changed():
 		zoom = 1
 
 	_window.visible = false
-	_zoom_button.visible = false
+	_zoom_buttons.visible = false
 
 	_empty_box.visible = false
 	_selected_node_box.visible = false
@@ -152,7 +161,7 @@ func _on_context_changed():
 	if _context.block_script != null:
 		_load_block_script(_context.block_script)
 		_window.visible = true
-		_zoom_button.visible = true
+		_zoom_buttons.visible = true
 
 		if _context.block_script != _current_block_script:
 			reset_window_position()
@@ -437,6 +446,16 @@ func generate_script_from_current_window() -> String:
 	return ScriptGenerator.generate_script(_current_ast_list, _context.block_script)
 
 
+func _on_zoom_out_button_pressed() -> void:
+	if zoom > 0.2:
+		zoom /= ZOOM_FACTOR
+
+
 func _on_zoom_button_pressed():
 	zoom = 1.0
 	reset_window_position()
+
+
+func _on_zoom_in_button_pressed() -> void:
+	if zoom < 2:
+		zoom *= ZOOM_FACTOR

addons/block_code/ui/block_canvas/block_canvas.tscn

@@ -24,6 +24,7 @@ mouse_filter = 2
 
 [node name="Window" type="Control" parent="WindowContainer"]
 unique_name_in_owner = true
+visible = false
 layout_mode = 2
 anchors_preset = 0
 offset_right = 1152.0
@@ -60,9 +61,31 @@ theme_override_constants/margin_top = 4
 theme_override_constants/margin_right = 4
 theme_override_constants/margin_bottom = 4
 
-[node name="ZoomButton" type="Button" parent="WindowContainer/Overlay/MarginContainer"]
+[node name="ZoomButtons" type="HBoxContainer" parent="WindowContainer/Overlay/MarginContainer"]
+unique_name_in_owner = true
+visible = false
+layout_mode = 2
+
+[node name="ZoomOutButton" type="Button" parent="WindowContainer/Overlay/MarginContainer/ZoomButtons"]
+unique_name_in_owner = true
+modulate = Color(1, 1, 1, 0.470588)
+custom_minimum_size = Vector2(25, 0)
+layout_mode = 2
+focus_mode = 0
+theme_override_font_sizes/font_size = 24
+
+[node name="ZoomButton" type="Button" parent="WindowContainer/Overlay/MarginContainer/ZoomButtons"]
+unique_name_in_owner = true
+modulate = Color(1, 1, 1, 0.470588)
+layout_mode = 2
+focus_mode = 0
+theme_override_font_sizes/font_size = 24
+text = "1.0x"
+
+[node name="ZoomInButton" type="Button" parent="WindowContainer/Overlay/MarginContainer/ZoomButtons"]
 unique_name_in_owner = true
 modulate = Color(1, 1, 1, 0.470588)
+custom_minimum_size = Vector2(25, 0)
 layout_mode = 2
 focus_mode = 0
 theme_override_font_sizes/font_size = 24
@@ -140,7 +163,9 @@ theme_type_variation = &"InspectorActionButton"
 text = "Override Block Code"
 icon = ExtResource("2_710vn")
 
-[connection signal="pressed" from="WindowContainer/Overlay/MarginContainer/ZoomButton" to="." method="_on_zoom_button_pressed"]
+[connection signal="pressed" from="WindowContainer/Overlay/MarginContainer/ZoomButtons/ZoomOutButton" to="." method="_on_zoom_out_button_pressed"]
+[connection signal="pressed" from="WindowContainer/Overlay/MarginContainer/ZoomButtons/ZoomButton" to="." method="_on_zoom_button_pressed"]
+[connection signal="pressed" from="WindowContainer/Overlay/MarginContainer/ZoomButtons/ZoomInButton" to="." method="_on_zoom_in_button_pressed"]
 [connection signal="pressed" from="SelectedNodeBox/ButtonsBox/AddBlockCodeButton" to="." method="_on_add_block_code_button_pressed"]
 [connection signal="pressed" from="SelectedNodeWithBlockCodeBox/ButtonsBox/OpenSceneButton" to="." method="_on_open_scene_button_pressed"]
 [connection signal="pressed" from="SelectedNodeWithBlockCodeBox/ButtonsBox/ReplaceBlockCodeButton" to="." method="_on_replace_block_code_button_pressed"]