prompt to save all decks when closing

graph_node_renderer/deck_holder_renderer.gd

@@ -35,6 +35,7 @@ enum FileMenuId {
 var max_recents := 4
 var recent_files := []
 @onready var unsaved_changes_dialog_single_deck := $UnsavedChangesDialogSingleDeck as UnsavedChangesDialogSingleDeck
+@onready var unsaved_changes_dialog: ConfirmationDialog = $UnsavedChangesDialog
 
 enum ConnectionsMenuId {
 	OBS,
@@ -51,7 +52,7 @@ var _deck_to_save: WeakRef
 
 
 func _ready() -> void:
-	
+	get_tree().auto_accept_quit = false
 	tab_container.add_button_pressed.connect(add_empty_deck)
 	RendererPersistence.init_namespace(PERSISTENCE_NAMESPACE)
 	
@@ -347,6 +348,17 @@ func add_recents_to_menu() -> void:
 	RendererPersistence.commit(PERSISTENCE_NAMESPACE)
 
 
+func _notification(what: int) -> void:
+	if what == NOTIFICATION_WM_CLOSE_REQUEST:
+		if range(tab_container.get_tab_count()).any(func(x: int): return tab_container.get_content(x).dirty):
+			unsaved_changes_dialog.show()
+		else:
+			for i in tab_container.get_tab_count():
+				close_tab(i)
+
+			get_tree().quit()
+
+
 func _on_unsaved_changes_dialog_single_deck_confirmed() -> void:
 	save_tab(unsaved_changes_dialog_single_deck.get_meta("tab"))
 	close_tab(unsaved_changes_dialog_single_deck.get_meta("tab"))
@@ -355,3 +367,10 @@ func _on_unsaved_changes_dialog_single_deck_confirmed() -> void:
 func _on_unsaved_changes_dialog_single_deck_custom_action(action: StringName) -> void:
 	if action == &"force_close":
 		close_tab(unsaved_changes_dialog_single_deck.get_meta("tab"))
+
+
+func _on_unsaved_changes_dialog_confirmed() -> void:
+	for i in tab_container.get_tab_count():
+		close_tab(i)
+
+	get_tree().quit()

graph_node_renderer/deck_holder_renderer.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=19 format=3 uid="uid://duaah5x0jhkn6"]
+[gd_scene load_steps=20 format=3 uid="uid://duaah5x0jhkn6"]
 
 [ext_resource type="Script" path="res://graph_node_renderer/deck_holder_renderer.gd" id="1_67g2g"]
 [ext_resource type="PackedScene" uid="uid://b84f2ngtcm5b8" path="res://graph_node_renderer/tab_container_custom.tscn" id="1_s3ug2"]
@@ -8,6 +8,7 @@
 [ext_resource type="PackedScene" uid="uid://eioso6jb42jy" path="res://graph_node_renderer/obs_websocket_setup_dialog.tscn" id="5_uo2gj"]
 [ext_resource type="PackedScene" uid="uid://bq2lxmbnic4lc" path="res://graph_node_renderer/twitch_setup_dialog.tscn" id="7_7rhap"]
 [ext_resource type="PackedScene" uid="uid://cuwou2aa7qfc2" path="res://graph_node_renderer/unsaved_changes_dialog_single_deck.tscn" id="8_qf6ve"]
+[ext_resource type="PackedScene" uid="uid://cvvkj138fg8jg" path="res://graph_node_renderer/unsaved_changes_dialog.tscn" id="9_4n0q6"]
 
 [sub_resource type="InputEventKey" id="InputEventKey_giamc"]
 device = -1
@@ -161,9 +162,12 @@ visible = false
 
 [node name="UnsavedChangesDialogSingleDeck" parent="." instance=ExtResource("8_qf6ve")]
 
+[node name="UnsavedChangesDialog" parent="." instance=ExtResource("9_4n0q6")]
+
 [connection signal="id_pressed" from="MarginContainer/VSplitContainer/VBoxContainer/MenuBar/File" to="." method="_on_file_id_pressed"]
 [connection signal="id_pressed" from="MarginContainer/VSplitContainer/VBoxContainer/MenuBar/Connections" to="." method="_on_connections_id_pressed"]
 [connection signal="id_pressed" from="MarginContainer/VSplitContainer/VBoxContainer/MenuBar/Debug" to="." method="_on_debug_id_pressed"]
 [connection signal="connect_button_pressed" from="OBSWebsocketSetupDialog" to="." method="_on_obs_websocket_setup_dialog_connect_button_pressed"]
 [connection signal="confirmed" from="UnsavedChangesDialogSingleDeck" to="." method="_on_unsaved_changes_dialog_single_deck_confirmed"]
 [connection signal="custom_action" from="UnsavedChangesDialogSingleDeck" to="." method="_on_unsaved_changes_dialog_single_deck_custom_action"]
+[connection signal="confirmed" from="UnsavedChangesDialog" to="." method="_on_unsaved_changes_dialog_confirmed"]

graph_node_renderer/unsaved_changes_dialog.tscn

@@ -0,0 +1,16 @@
+[gd_scene format=3 uid="uid://cvvkj138fg8jg"]
+
+[node name="UnsavedChangesDialog" type="ConfirmationDialog"]
+initial_position = 2
+size = Vector2i(391, 206)
+ok_button_text = "Quit without saving"
+
+[node name="Label" type="Label" parent="."]
+offset_left = 8.0
+offset_top = 8.0
+offset_right = 383.0
+offset_bottom = 157.0
+text = "You have unsaved changes. Quitting now will discard them. Are you sure you want to quit?"
+horizontal_alignment = 1
+vertical_alignment = 1
+autowrap_mode = 3