Add a "Paste from Clipboard" edit menu option

Eventually, if Godot adds copying images into clipboard, we can replace Pixelorama's custom clipboard logic and just copy and paste to/from the operating system's clipboard.

Translations/Translations.pot

@@ -134,6 +134,10 @@ msgstr ""
 msgid "Paste in Place"
 msgstr ""
 
+#. Found under the Edit menu. When selected, the image from the clipboard, if it exists, gets pasted into Pixelorama.
+msgid "Paste from Clipboard"
+msgstr ""
+
 msgid "Delete"
 msgstr ""
 

project.godot

@@ -177,6 +177,11 @@ paste_in_place={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"command_or_control_autoremap":true,"alt_pressed":true,"shift_pressed":false,"pressed":false,"keycode":86,"physical_keycode":0,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
 ]
 }
+paste_from_clipboard={
+"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":true,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":86,"key_label":0,"unicode":86,"location":0,"echo":false,"script":null)
+]
+}
 delete={
 "deadzone": 0.5,
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":4194312,"physical_keycode":0,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)

src/Autoload/Global.gd

@@ -25,7 +25,18 @@ enum MeasurementMode { NONE, MOVE }
 ## Enumeration of items present in the File Menu.
 enum FileMenu { NEW, OPEN, OPEN_LAST_PROJECT, RECENT, SAVE, SAVE_AS, EXPORT, EXPORT_AS, QUIT }
 ## Enumeration of items present in the Edit Menu.
-enum EditMenu { UNDO, REDO, COPY, CUT, PASTE, PASTE_IN_PLACE, DELETE, NEW_BRUSH, PREFERENCES }
+enum EditMenu {
+	UNDO,
+	REDO,
+	COPY,
+	CUT,
+	PASTE,
+	PASTE_IN_PLACE,
+	PASTE_FROM_CLIPBOARD,
+	DELETE,
+	NEW_BRUSH,
+	PREFERENCES
+}
 ## Enumeration of items present in the View Menu.
 enum ViewMenu {
 	CENTER_CANVAS,
@@ -793,6 +804,7 @@ func _initialize_keychain() -> void:
 		&"copy": Keychain.InputAction.new("", "Edit menu", true),
 		&"paste": Keychain.InputAction.new("", "Edit menu", true),
 		&"paste_in_place": Keychain.InputAction.new("", "Edit menu", true),
+		&"paste_from_clipboard": Keychain.InputAction.new("", "Edit menu", true),
 		&"delete": Keychain.InputAction.new("", "Edit menu", true),
 		&"new_brush": Keychain.InputAction.new("", "Edit menu", true),
 		&"preferences": Keychain.InputAction.new("", "Edit menu", true),

src/UI/Canvas/Selection.gd

@@ -883,6 +883,48 @@ func paste(in_place := false) -> void:
 	project.selection_map_changed()
 
 
+func paste_from_clipboard() -> void:
+	if not DisplayServer.clipboard_has_image():
+		return
+	var clipboard_image := DisplayServer.clipboard_get_image()
+	if clipboard_image.is_empty() or clipboard_image.is_invisible():
+		return
+	if is_moving_content:
+		transform_content_confirm()
+	undo_data = get_undo_data(true)
+	clear_selection()
+	var project := Global.current_project
+	var clip_map := SelectionMap.new()
+	clip_map.copy_from(
+		Image.create(
+			clipboard_image.get_width(),
+			clipboard_image.get_height(),
+			false,
+			project.selection_map.get_format()
+		)
+	)
+	clip_map.fill_rect(Rect2i(Vector2i.ZERO, clipboard_image.get_size()), Color(1, 1, 1, 1))
+	var max_size := Vector2i(
+		maxi(clip_map.get_size().x, project.selection_map.get_size().x),
+		maxi(clip_map.get_size().y, project.selection_map.get_size().y)
+	)
+
+	project.selection_map.copy_from(clip_map)
+	project.selection_map.crop(max_size.x, max_size.y)
+	big_bounding_rectangle = project.selection_map.get_used_rect()
+	temp_rect = big_bounding_rectangle
+	resized_rect = big_bounding_rectangle
+	is_moving_content = true
+	is_pasting = true
+	original_preview_image = clipboard_image
+	original_big_bounding_rectangle = big_bounding_rectangle
+	original_offset = project.selection_offset
+	original_bitmap.copy_from(project.selection_map)
+	preview_image.copy_from(original_preview_image)
+	preview_image_texture = ImageTexture.create_from_image(preview_image)
+	project.selection_map_changed()
+
+
 ## Deletes the drawing enclosed within the selection's area.
 func delete(selected_cels := true) -> void:
 	var project := Global.current_project

src/UI/TopMenuContainer/TopMenuContainer.gd

@@ -211,6 +211,7 @@ func _setup_edit_menu() -> void:
 		"Cut": "cut",
 		"Paste": "paste",
 		"Paste in Place": "paste_in_place",
+		"Paste from Clipboard": "paste_from_clipboard",
 		"Delete": "delete",
 		"New Brush": "new_brush",
 		"Preferences": "preferences"
@@ -682,6 +683,8 @@ func edit_menu_id_pressed(id: int) -> void:
 			Global.canvas.selection.paste()
 		Global.EditMenu.PASTE_IN_PLACE:
 			Global.canvas.selection.paste(true)
+		Global.EditMenu.PASTE_FROM_CLIPBOARD:
+			Global.canvas.selection.paste_from_clipboard()
 		Global.EditMenu.DELETE:
 			Global.canvas.selection.delete()
 		Global.EditMenu.NEW_BRUSH: