Add feature request #276 (#370)

* Add request #276

* Remove a warning message

* Some fixes

* Bug fix. Remove Global.save_project_to_recent_list() from src/Main.gd

Co-authored-by: Daniel Simon <dasimon@gmx.org>

src/Autoload/Global.gd

@@ -21,6 +21,8 @@ var projects := [] # Array of Projects
 var current_project : Project
 var current_project_index := 0 setget project_changed
 
+var recent_projects := []
+
 # Indices are as in the Direction enum
 # This is the total time the key for
 # that direction has been pressed.
@@ -112,6 +114,8 @@ var help_menu : MenuButton
 var cursor_position_label : Label
 var zoom_level_label : Label
 
+var recent_projects_submenu : PopupMenu
+
 var new_image_dialog : ConfirmationDialog
 var open_sprites_dialog : FileDialog
 var save_sprites_dialog : FileDialog
@@ -175,6 +179,8 @@ func _ready() -> void:
 		root_directory = OS.get_executable_path().get_base_dir()
 	# Load settings from the config file
 	config_cache.load("user://cache.ini")
+	
+	recent_projects = config_cache.get_value("data", "recent_projects", [])
 
 	# The fact that root_dir is set earlier than this is important
 	# XDGDataDirs depends on it nyaa
@@ -208,6 +214,9 @@ func _ready() -> void:
 	help_menu = find_node_by_name(root, "HelpMenu")
 	cursor_position_label = find_node_by_name(root, "CursorPosition")
 	zoom_level_label = find_node_by_name(root, "ZoomLevel")
+	
+	recent_projects_submenu = PopupMenu.new()	
+	recent_projects_submenu.set_name("recent_projects_submenu")
 
 	new_image_dialog = find_node_by_name(root, "CreateNewImage")
 	open_sprites_dialog = find_node_by_name(root, "OpenSprite")
@@ -506,3 +515,25 @@ func _exit_tree() -> void:
 		project.undo_redo.free()
 		OpenSave.remove_backup(i)
 		i += 1
+
+
+func save_project_to_recent_list(path : String) -> void:
+	if path.get_file().substr(0, 7) == "backup-" or path == "":
+		return
+	
+	if recent_projects.has(path):
+		return
+
+	if recent_projects.size() >= 5:
+		recent_projects.pop_front()
+	recent_projects.push_back(path)
+	
+	config_cache.set_value("data", "recent_projects", recent_projects)
+
+	recent_projects_submenu.clear()
+	update_recent_projects_submenu()
+	
+	
+func update_recent_projects_submenu() -> void:
+	for project in Global.recent_projects:
+		recent_projects_submenu.add_item(project.get_file())

src/Autoload/OpenSave.gd

@@ -119,6 +119,8 @@ func open_pxo_file(path : String, untitled_backup : bool = false) -> void:
 		Export.was_exported = false
 		Global.file_menu.get_popup().set_item_text(3, tr("Save") + " %s" % path.get_file())
 		Global.file_menu.get_popup().set_item_text(5, tr("Export"))
+		
+	Global.save_project_to_recent_list(path)
 
 
 # For pxo files older than v0.8
@@ -336,6 +338,8 @@ func save_pxo_file(path : String, autosave : bool, use_zstd_compression := true,
 		Export.was_exported = false
 		project.was_exported = false
 		Global.file_menu.get_popup().set_item_text(3, tr("Save") + " %s" % path.get_file())
+		
+	Global.save_project_to_recent_list(path)
 
 
 func open_image_as_new_tab(path : String, image : Image) -> void:

src/Main.gd

@@ -143,6 +143,21 @@ func load_last_project() -> void:
 			Global.dialog_open(true)
 
 
+func load_recent_project_file(path : String) -> void:
+	if OS.get_name() == "HTML5":
+		return
+		
+	# Check if file still exists on disk
+	var file_check := File.new()
+	if file_check.file_exists(path): # If yes then load the file
+		OpenSave.handle_loading_files([path])
+	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)
+
+
 func _on_OpenSprite_file_selected(path : String) -> void:
 	OpenSave.handle_loading_files([path])
 

src/UI/TopMenuContainer.gd

@@ -23,21 +23,33 @@ func setup_file_menu() -> void:
 		"Save as..." : InputMap.get_action_list("save_file_as")[0].get_scancode_with_modifiers(),
 		"Export..." : InputMap.get_action_list("export_file")[0].get_scancode_with_modifiers(),
 		"Export as..." : InputMap.get_action_list("export_file_as")[0].get_scancode_with_modifiers(),
+		"Recent projects": 0,
 		"Quit" : InputMap.get_action_list("quit")[0].get_scancode_with_modifiers(),
 		}
 	file_menu = Global.file_menu.get_popup()
 	var i := 0
 
 	for item in file_menu_items.keys():
-		file_menu.add_item(item, i, file_menu_items[item])
-		i += 1
-
+		if item == "Recent projects":
+			setup_recent_projects_submenu(item)
+		else:
+			file_menu.add_item(item, i, file_menu_items[item])
+			i += 1
+		
 	file_menu.connect("id_pressed", self, "file_menu_id_pressed")
-
+	
 	if OS.get_name() == "HTML5":
 		file_menu.set_item_disabled(2, true)
 
 
+func setup_recent_projects_submenu(item : String) -> void:
+	Global.recent_projects_submenu.connect("id_pressed", self, "on_recent_projects_submenu_id_pressed")
+	Global.update_recent_projects_submenu()
+	
+	file_menu.add_child(Global.recent_projects_submenu)
+	file_menu.add_submenu_item(item, Global.recent_projects_submenu.get_name())
+
+
 func setup_edit_menu() -> void:
 	var edit_menu_items := {
 		"Undo" : InputMap.get_action_list("undo")[0].get_scancode_with_modifiers(),
@@ -202,6 +214,10 @@ func export_file() -> void:
 		Export.external_export()
 
 
+func on_recent_projects_submenu_id_pressed(id : int) -> void:
+	Global.control.load_recent_project_file(Global.recent_projects[id])
+
+
 func edit_menu_id_pressed(id : int) -> void:
 	match id:
 		0: # Undo