sliders (wip), fix wlx build

wgui/src/parser/component_slider.rs

@@ -0,0 +1,48 @@
+use crate::{
+	components::slider,
+	layout::WidgetID,
+	parser::{ParserContext, ParserFile, iter_attribs, parse_check_f32, style::parse_style},
+};
+
+pub fn parse_component_slider<'a, U1, U2>(
+	file: &'a ParserFile,
+	ctx: &mut ParserContext<U1, U2>,
+	node: roxmltree::Node<'a, 'a>,
+	parent_id: WidgetID,
+) -> anyhow::Result<()> {
+	let mut min_value = 0.0;
+	let mut max_value = 1.0;
+	let mut initial_value = 0.5;
+
+	let attribs: Vec<_> = iter_attribs(file, ctx, &node, false).collect();
+	let style = parse_style(&attribs);
+
+	for (key, value) in attribs {
+		match key.as_ref() {
+			"min_value" => {
+				parse_check_f32(value.as_ref(), &mut min_value);
+			}
+			"max_value" => {
+				parse_check_f32(value.as_ref(), &mut max_value);
+			}
+			"value" => {
+				parse_check_f32(value.as_ref(), &mut initial_value);
+			}
+			_ => {}
+		}
+	}
+
+	let slider = slider::construct(
+		ctx.layout,
+		ctx.listeners,
+		parent_id,
+		slider::Params {
+			min_value,
+			max_value,
+			initial_value,
+			style,
+		},
+	)?;
+
+	Ok(())
+}