add universal _long_release and variants

wgui/src/parser/component_button.rs

@@ -5,7 +5,7 @@ use crate::{
 	i18n::Translation,
 	layout::WidgetID,
 	parser::{
-		parse_check_f32, parse_check_i32, parse_children, print_invalid_attrib, process_component,
+		parse_check_f32, parse_check_i32, parse_children, parse_f32, print_invalid_attrib, process_component,
 		style::{parse_color_opt, parse_round, parse_style, parse_text_style},
 		AttribPair, ParserContext, ParserFile,
 	},
@@ -28,6 +28,7 @@ pub fn parse_component_button<'a>(
 	let mut tooltip: Option<String> = None;
 	let mut tooltip_side: Option<tooltip::TooltipSide> = None;
 	let mut sticky: bool = false;
+	let mut long_press_time = 0.0;
 	let mut sprite_src: Option<AssetPath> = None;
 
 	let mut translation: Option<Translation> = None;
@@ -92,6 +93,9 @@ pub fn parse_component_button<'a>(
 				let mut sticky_i32 = 0;
 				sticky = parse_check_i32(value, &mut sticky_i32) && sticky_i32 == 1;
 			}
+			"long_press_time" => {
+				long_press_time = parse_f32(value).unwrap_or(long_press_time);
+			}
 			_ => {}
 		}
 	}
@@ -113,6 +117,7 @@ pub fn parse_component_button<'a>(
 				text: Translation::from_translation_key(&t),
 			}),
 			sticky,
+			long_press_time,
 			sprite_src,
 		},
 	)?;