Add a popup_error() method in Global

Just to reduce code duplication and make error appearing easier

src/Autoload/Export.gd

@@ -330,11 +330,9 @@ func export_processed_images(
 				elif project.file_format == FileFormat.JPEG:
 					err = processed_images[i].save_jpg(export_paths[i])
 				if err != OK:
-					Global.error_dialog.set_text(
+					Global.popup_error(
 						tr("File failed to save. Error code %s (%s)") % [err, error_string(err)]
 					)
-					Global.error_dialog.popup_centered()
-					Global.dialog_open(true)
 					succeeded = false
 		if succeeded:
 			Global.notification_label("File(s) exported")
@@ -379,9 +377,7 @@ func export_video(export_paths: PackedStringArray) -> bool:
 	if success < 0 or success > 1:
 		var fail_text := """Video failed to export. Make sure you have FFMPEG installed
 			and have set the correct path in the preferences."""
-		Global.error_dialog.set_text(tr(fail_text))
-		Global.error_dialog.popup_centered()
-		Global.dialog_open(true)
+		Global.popup_error(tr(fail_text))
 		return false
 	return true
 

src/Autoload/ExtensionsApi.gd

@@ -218,9 +218,7 @@ class DialogAPI:
 	## Shows an alert dialog with the given [param text].
 	## Useful for displaying messages like "Incompatible API" etc...
 	func show_error(text: String) -> void:
-		Global.error_dialog.set_text(text)
-		Global.error_dialog.popup_centered()
-		Global.dialog_open(true)
+		Global.popup_error(text)
 
 	## Returns the node that is the parent of dialogs used in pixelorama.
 	func get_dialogs_parent_node() -> Node:

src/Autoload/Global.gd

@@ -817,6 +817,12 @@ func dialog_open(open: bool) -> void:
 	tween.tween_property(control, "modulate", dim_color, 0.1)
 
 
+func popup_error(text: String) -> void:
+	error_dialog.set_text(text)
+	error_dialog.popup_centered()
+	dialog_open(true)
+
+
 ## sets the [member BaseButton.disabled] property of the [param button] to [param disable],
 ## changes the cursor shape for it accordingly, and dims/brightens any textures it may have.
 func disable_button(button: BaseButton, disable: bool) -> void:

src/Autoload/OpenSave.gd

@@ -62,9 +62,7 @@ func handle_loading_file(file: String) -> void:
 		var image := Image.load_from_file(file)
 		if not is_instance_valid(image):  # An error occurred
 			var file_name: String = file.get_file()
-			Global.error_dialog.set_text(tr("Can't load file '%s'.") % [file_name])
-			Global.error_dialog.popup_centered()
-			Global.dialog_open(true)
+			Global.popup_error(tr("Can't load file '%s'.") % [file_name])
 			return
 		handle_loading_image(file, image)
 
@@ -159,11 +157,7 @@ func open_pxo_file(path: String, untitled_backup := false, replace_empty := true
 		if not success:
 			return
 	elif err != OK:
-		Global.error_dialog.set_text(
-			tr("File failed to open. Error code %s (%s)") % [err, error_string(err)]
-		)
-		Global.error_dialog.popup_centered()
-		Global.dialog_open(true)
+		Global.popup_error(tr("File failed to open. Error code %s (%s)") % [err, error_string(err)])
 		return
 	else:
 		var data_json := zip_reader.read_file("data.json").get_string_from_utf8()
@@ -253,11 +247,7 @@ func open_v0_pxo_file(path: String, new_project: Project) -> bool:
 		file = FileAccess.open(path, FileAccess.READ)
 	var err := FileAccess.get_open_error()
 	if err != OK:
-		Global.error_dialog.set_text(
-			tr("File failed to open. Error code %s (%s)") % [err, error_string(err)]
-		)
-		Global.error_dialog.popup_centered()
-		Global.dialog_open(true)
+		Global.popup_error(tr("File failed to open. Error code %s (%s)") % [err, error_string(err)])
 		return false
 
 	var first_line := file.get_line()
@@ -320,19 +310,11 @@ func save_pxo_file(
 		project.name = path.get_file().trim_suffix(".pxo")
 	var serialized_data := project.serialize()
 	if !serialized_data:
-		Global.error_dialog.set_text(
-			tr("File failed to save. Converting project data to dictionary failed.")
-		)
-		Global.error_dialog.popup_centered()
-		Global.dialog_open(true)
+		Global.popup_error(tr("File failed to save. Converting project data to dictionary failed."))
 		return false
 	var to_save := JSON.stringify(serialized_data)
 	if !to_save:
-		Global.error_dialog.set_text(
-			tr("File failed to save. Converting dictionary to JSON failed.")
-		)
-		Global.error_dialog.popup_centered()
-		Global.dialog_open(true)
+		Global.popup_error(tr("File failed to save. Converting dictionary to JSON failed."))
 		return false
 
 	# Check if a file with the same name exists. If it does, rename the new file temporarily.
@@ -346,11 +328,7 @@ func save_pxo_file(
 	if err != OK:
 		if temp_path.is_valid_filename():
 			return false
-		Global.error_dialog.set_text(
-			tr("File failed to save. Error code %s (%s)") % [err, error_string(err)]
-		)
-		Global.error_dialog.popup_centered()
-		Global.dialog_open(true)
+		Global.popup_error(tr("File failed to save. Error code %s (%s)") % [err, error_string(err)])
 		if zip_packer:  # this would be null if we attempt to save filenames such as "//\\||.pxo"
 			zip_packer.close()
 		return false

src/Autoload/Palettes.gd

@@ -441,11 +441,7 @@ func import_palette_from_path(path: String, make_copy := false, is_initialising
 			new_palette_imported.emit()
 			select_palette(palette.name)
 	else:
-		Global.error_dialog.set_text(
-			tr("Can't load file '%s'.\nThis is not a valid palette file.") % [path]
-		)
-		Global.error_dialog.popup_centered()
-		Global.dialog_open(true)
+		Global.popup_error(tr("Can't load file '%s'.\nThis is not a valid palette file.") % [path])
 
 
 ## Refer to app/core/gimppalette-load.c of the GNU Image Manipulation Program for the "living spec"

src/Main.gd

@@ -248,9 +248,7 @@ func load_last_project() -> void:
 			Global.config_cache.set_value("data", "current_dir", file_path.get_base_dir())
 		else:
 			# If file doesn't exist on disk then warn user about this
-			Global.error_dialog.set_text("Cannot find last project file.")
-			Global.error_dialog.popup_centered()
-			Global.dialog_open(true)
+			Global.popup_error("Cannot find last project file.")
 
 
 func load_recent_project_file(path: String) -> void:
@@ -266,9 +264,7 @@ func load_recent_project_file(path: String) -> void:
 		Global.config_cache.set_value("data", "current_dir", path.get_base_dir())
 	else:
 		# If file doesn't exist on disk then warn user about this
-		Global.error_dialog.set_text("Cannot find project file.")
-		Global.error_dialog.popup_centered()
-		Global.dialog_open(true)
+		Global.popup_error("Cannot find project file.")
 
 
 func _on_OpenSprite_files_selected(paths: PackedStringArray) -> void:

src/Preferences/HandleExtensions.gd

@@ -212,9 +212,7 @@ func read_extension(extension_file_or_folder_name: StringName, internal := false
 					"\n",
 					"But Pixelorama's API version is: %s" % ExtensionsApi.get_api_version()
 				)
-				Global.error_dialog.set_text(str(err_text, required_text))
-				Global.error_dialog.popup_centered()
-				Global.dialog_open(true)
+				Global.popup_error(str(err_text, required_text))
 				print("Incompatible API")
 				if !internal:  # the file isn't created for internal extensions, no need for removal
 					# Don't put it in faulty, (it's merely incompatible)