Added Centre Canvas Option (#1123)

* add a centre frame option

* moved code to view menu

* restore left over stuff

* fix typo

project.godot

@@ -903,6 +903,11 @@ previous_project={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":true,"ctrl_pressed":true,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194306,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
 ]
 }
+centre_canvas={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":true,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":67,"physical_keycode":0,"key_label":0,"unicode":67,"location":0,"echo":false,"script":null)
+]
+}
 
 [input_devices]
 

src/Autoload/Global.gd

@@ -27,6 +27,7 @@ enum FileMenu { NEW, OPEN, OPEN_LAST_PROJECT, RECENT, SAVE, SAVE_AS, EXPORT, EXP
 enum EditMenu { UNDO, REDO, COPY, CUT, PASTE, PASTE_IN_PLACE, DELETE, NEW_BRUSH, PREFERENCES }
 ## Enumeration of items present in the View Menu.
 enum ViewMenu {
+	CENTRE_CANVAS,
 	TILE_MODE,
 	TILE_MODE_OFFSETS,
 	GREYSCALE_VIEW,
@@ -750,6 +751,7 @@ func _initialize_keychain() -> void:
 		&"palettize": Keychain.InputAction.new("", "Effects menu", true),
 		&"pixelize": Keychain.InputAction.new("", "Effects menu", true),
 		&"posterize": Keychain.InputAction.new("", "Effects menu", true),
+		&"centre_canvas": Keychain.InputAction.new("", "View menu", true),
 		&"mirror_view": Keychain.InputAction.new("", "View menu", true),
 		&"show_grid": Keychain.InputAction.new("", "View menu", true),
 		&"show_pixel_grid": Keychain.InputAction.new("", "View menu", true),

src/UI/TopMenuContainer/TopMenuContainer.gd

@@ -206,6 +206,7 @@ func _setup_edit_menu() -> void:
 func _setup_view_menu() -> void:
 	# Order as in Global.ViewMenu enum
 	var view_menu_items := {
+		"Centre Canvas": "centre_canvas",
 		"Tile Mode": "",
 		"Tile Mode Offsets": "",
 		"Grayscale View": "",
@@ -226,6 +227,8 @@ func _setup_view_menu() -> void:
 			_setup_snap_to_submenu(item)
 		elif item == "Tile Mode Offsets":
 			view_menu.add_item(item, i)
+		elif item == "Centre Canvas":
+			_set_menu_shortcut(view_menu_items[item], view_menu, i, item)
 		else:
 			_set_menu_shortcut(view_menu_items[item], view_menu, i, item, true)
 	view_menu.set_item_checked(Global.ViewMenu.SHOW_RULERS, true)
@@ -599,6 +602,8 @@ func edit_menu_id_pressed(id: int) -> void:
 
 func view_menu_id_pressed(id: int) -> void:
 	match id:
+		Global.ViewMenu.CENTRE_CANVAS:
+			Global.camera.offset = Global.current_project.size / 2
 		Global.ViewMenu.TILE_MODE_OFFSETS:
 			_popup_dialog(get_tree().current_scene.tile_mode_offsets_dialog)
 		Global.ViewMenu.GREYSCALE_VIEW: