Merge pull request #246 from OpenVicProject/search-panel

Search panel + text edit box UI generation

1 files changed, 143 insertions, 0 deletions

diff --git a/game/src/Game/GameSession/SearchPanel.gd b/game/src/Game/GameSession/SearchPanel.gd
new file mode 100644
index 0000000..5554226
--- /dev/null
+++ b/game/src/Game/GameSession/SearchPanel.gd
@@ -0,0 +1,143 @@
+extends GUINode
+
+@export var _map_view : MapView
+
+var _search_panel : Panel
+var _search_line_edit : LineEdit
+var _results_list_box : GUIListBox
+var _result_buttons : Array[Button]
+
+var _drag_active : bool = false
+var _drag_anchor : Vector2
+
+func _ready() -> void:
+	MenuSingleton.search_cache_changed.connect(_update_results_base)
+
+	add_gui_element("goto", "goto_box")
+
+	remove_node(^"./goto_box/goto")
+
+	_search_panel = get_panel_from_nodepath(^"./goto_box")
+
+	var close_button : Button = get_button_from_nodepath(^"./goto_box/cancel")
+	if close_button:
+		close_button.pressed.connect(hide)
+
+	var panel_button : Button = get_button_from_nodepath(^"./goto_box/goto_box")
+	if panel_button:
+		panel_button.button_down.connect(_start_drag)
+		panel_button.button_up.connect(_end_drag)
+		if _search_panel:
+			# Move to back so it's not drawn over the results list
+			_search_panel.move_child(panel_button, 0)
+
+	_search_line_edit = get_line_edit_from_nodepath(^"./goto_box/goto_edit")
+	if _search_line_edit:
+		_search_line_edit.text_changed.connect(_search_string_updated)
+		# Restrict to desired size (by default it's a bit too tall, probably due to font size)
+		_search_line_edit.set_size(_search_line_edit.get_minimum_size())
+
+	_results_list_box = get_gui_listbox_from_nodepath(^"./goto_box/provinces")
+	if _results_list_box:
+		_results_list_box.scroll_index_changed.connect(_update_results_scroll)
+
+		_results_list_box.set_position(_results_list_box.get_position() - Vector2(4, 0))
+
+	hide()
+
+	MenuSingleton.generate_search_cache()
+
+func toggle_visibility() -> void:
+	if is_visible():
+		hide()
+	else:
+		show()
+		if _search_line_edit:
+			_search_line_edit.grab_focus()
+
+func _start_drag() -> void:
+	if _search_panel:
+		_drag_anchor = _search_panel.get_position() - get_window().get_mouse_position()
+		_drag_active = true
+
+func _end_drag() -> void:
+	_drag_active = false
+
+func _input(event : InputEvent) -> void:
+	if _drag_active and event is InputEventMouseMotion:
+		_search_panel.set_position(_drag_anchor + get_window().get_mouse_position())
+
+func _notification(what : int) -> void:
+	match what:
+		NOTIFICATION_TRANSLATION_CHANGED:
+			MenuSingleton.generate_search_cache()
+
+func _search_string_updated(search_string : String) -> void:
+	MenuSingleton.update_search_results(search_string)
+	_update_results_base()
+
+func _update_results_base() -> void:
+	if not _results_list_box:
+		return
+
+	var result_count : int = MenuSingleton.get_search_result_row_count()
+
+	var result_height : float = 0.0
+	if result_count > 0 and (_results_list_box.get_child_count() > 0 or _add_result_button()):
+		result_height = _results_list_box.get_child(0).get_size().y
+
+	_results_list_box.set_fixed(result_count, result_height, false)
+	_update_results_scroll()
+
+func _add_result_button() -> bool:
+	if not _results_list_box:
+		return false
+
+	var child : Panel = GUINode.generate_gui_element("menubar", "save_game_entry")
+	if not child:
+		return false
+
+	var button : Button = GUINode.get_button_from_node(child.get_node(^"./game"))
+	if not button:
+		child.queue_free()
+		return false
+
+	button.pressed.connect(_result_selected.bind(_result_buttons.size()))
+
+	_results_list_box.add_child(child)
+	_result_buttons.push_back(button)
+
+	return true
+
+func _update_results_scroll(scroll_index : int = -1) -> void:
+	if not _results_list_box:
+		return
+
+	if scroll_index >= 0:
+		_results_list_box.set_scroll_index(scroll_index, false)
+
+	scroll_index = _results_list_box.get_scroll_index()
+
+	var results : PackedStringArray = MenuSingleton.get_search_result_rows(scroll_index, _results_list_box.get_fixed_visible_items())
+
+	if results.size() < _result_buttons.size():
+		_result_buttons.resize(results.size())
+		_results_list_box.clear_children(results.size())
+	else:
+		while _result_buttons.size() < results.size() and _add_result_button():
+			pass # Button is added in the loop condition
+
+	for index : int in min(results.size(), _result_buttons.size()):
+		_result_buttons[index].set_text(results[index])
+
+func _result_selected(index : int) -> void:
+	if _map_view:
+		_map_view.look_at_map_position(MenuSingleton.get_search_result_position(index))
+	else:
+		push_error("SearchPanel missing MapView reference!")
+
+	if _search_line_edit:
+		# This triggers a search results update, preventing further get_search_result_position(index) calls
+		_search_line_edit.clear()
+
+	hide()