sliders (wip), fix wlx build

uidev/assets/gui/various_widgets.xml

@@ -2,13 +2,61 @@
   <elements>
     <rectangle
       color="#AAAAAA"
-      width="500" height="500" min_width="500" min_height="500"
+      width="1000" height="500" min_width="1000" min_height="500"
-      gap="4" flex_direction="column">
+      gap="4" flex_direction="column"
+      overflow_y="scroll">
       <label text="aaa" color="#FFFFFF" />
 
       <button text="Red button" width="128" height="32" color="#FF0000" />
       <button text="Aqua button" width="128" height="32" color="#00FFFF" />
       <button text="Yellow button" width="128" height="32" color="#FFFF00" />
+
+      <div flex_direction="row" gap="16">
+        <div flex_direction="column" gap="8">
+          <rectangle width="128" height="2" />
+          <label text="height 16" />
+          <rectangle width="128" height="2" />
+
+          <label text="range 0-100 value 25" />
+          <slider width="200" height="16" min_value="0" max_value="100" value="25" />
+
+          <label text="range 10-20 value 15" />
+          <slider width="200" height="16" min_value="10" max_value="20" value="15" />
+
+          <label text="range -10-42 value 0" />
+          <slider width="200" height="16" min_value="-10" max_value="42" value="0" />
+        </div>
+
+        <div flex_direction="column" gap="8">
+          <rectangle width="128" height="2" />
+          <label text="height 24" />
+          <rectangle width="128" height="2" />
+
+          <label text="range 0-100 value 25" />
+          <slider width="200" height="24" min_value="0" max_value="100" value="25" />
+
+          <label text="range 10-20 value 15" />
+          <slider width="200" height="24" min_value="10" max_value="20" value="15" />
+
+          <label text="range -10-42 value 0" />
+          <slider width="200" height="24" min_value="-10" max_value="42" value="0" />
+        </div>
+
+        <div flex_direction="column" gap="8">
+          <rectangle width="128" height="2" />
+          <label text="height 32" />
+          <rectangle width="128" height="2" />
+
+          <label text="range 0-100 value 25" />
+          <slider width="200" height="32" min_value="0" max_value="100" value="25" />
+
+          <label text="range 10-20 value 15" />
+          <slider width="200" height="32" min_value="10" max_value="20" value="15" />
+
+          <label text="range -10-42 value 0" />
+          <slider width="200" height="32" min_value="-10" max_value="42" value="0" />
+        </div>
+      </div>
     </rectangle>
   </elements>
 </layout>

wgui/src/components/button.rs

@@ -2,7 +2,7 @@ use std::sync::Arc;
 use taffy::{AlignItems, JustifyContent, prelude::length};
 
 use crate::{
-	animation::{self, Animation, AnimationEasing},
+	animation::{Animation, AnimationEasing},
 	components::Component,
 	drawing::{self, Color},
 	event::{EventListenerCollection, EventListenerKind, WidgetCallback},
@@ -98,9 +98,9 @@ fn anim_hover_out(button: Arc<Button>, widget_id: WidgetID) -> Animation {
 	)
 }
 
-pub fn construct(
+pub fn construct<U1, U2>(
 	layout: &mut Layout,
-	listeners: &mut EventListenerCollection<(), ()>,
+	listeners: &mut EventListenerCollection<U1, U2>,
 	parent: WidgetID,
 	params: Params,
 ) -> anyhow::Result<Arc<Button>> {

wgui/src/components/mod.rs

@@ -1,5 +1,6 @@
 use crate::any::AnyTrait;
 
 pub mod button;
+pub mod slider;
 
 pub trait Component: AnyTrait {}

wgui/src/components/slider.rs

@@ -0,0 +1,125 @@
+use std::sync::Arc;
+
+use taffy::prelude::{length, percent};
+
+use crate::{
+	components::Component,
+	drawing::{self},
+	event::{EventListenerCollection, EventListenerKind, WidgetCallback},
+	layout::{Layout, WidgetID},
+	widget::{
+		rectangle::{Rectangle, RectangleParams},
+		util::WLength,
+	},
+};
+
+pub struct Params {
+	pub style: taffy::Style,
+	pub initial_value: f32,
+	pub min_value: f32,
+	pub max_value: f32,
+}
+
+impl Default for Params {
+	fn default() -> Self {
+		Self {
+			style: Default::default(),
+			initial_value: 0.5,
+			min_value: 0.0,
+			max_value: 1.0,
+		}
+	}
+}
+
+pub struct Slider {
+	pub body: WidgetID,             // Outer rectangle
+	pub slider_handle_id: WidgetID, // Inner rectangle
+	pub slider_handle_node: taffy::NodeId,
+}
+
+impl Component for Slider {}
+
+impl Slider {
+	pub fn set_value<'a, C>(&self, callback_data: &mut C, _value: f32)
+	where
+		C: WidgetCallback<'a>,
+	{
+		callback_data.mark_redraw();
+		callback_data.mark_dirty(self.slider_handle_node);
+		callback_data.call_on_widget(self.slider_handle_id, |_rect: &mut Rectangle| {
+			// todo
+		});
+		callback_data.mark_redraw();
+		callback_data.mark_dirty(self.slider_handle_node);
+	}
+}
+
+pub fn construct<U1, U2>(
+	layout: &mut Layout,
+	listeners: &mut EventListenerCollection<U1, U2>,
+	parent: WidgetID,
+	params: Params,
+) -> anyhow::Result<Arc<Slider>> {
+	let mut style = params.style;
+	style.position = taffy::Position::Relative;
+	style.min_size = style.size;
+	style.max_size = style.size;
+
+	let body_color = drawing::Color::new(0.2, 0.3, 0.4, 1.0);
+	let body_border_color = drawing::Color::new(0.1, 0.2, 0.3, 1.0);
+	let handle_color = drawing::Color::new(1.0, 1.0, 1.0, 1.0);
+
+	let (body_id, _) = layout.add_child(
+		parent,
+		Rectangle::create(RectangleParams {
+			color: body_color,
+			round: WLength::Percent(1.0),
+			border_color: body_border_color,
+			border: 2.0,
+			..Default::default()
+		})?,
+		style,
+	)?;
+
+	let mut handle_style = taffy::Style::default();
+	handle_style.size.width = length(32.0);
+	handle_style.size.height = percent(1.0);
+
+	let (slider_handle_id, slider_handle_node) = layout.add_child(
+		body_id,
+		Rectangle::create(RectangleParams {
+			color: handle_color,
+			round: WLength::Percent(1.0),
+			..Default::default()
+		})?,
+		handle_style,
+	)?;
+
+	let slider = Arc::new(Slider {
+		body: body_id,
+		slider_handle_node,
+		slider_handle_id,
+	});
+
+	//let mut widget = layout.widget_map.get(rect_id).unwrap().lock().unwrap();
+
+	listeners.add(
+		body_id,
+		EventListenerKind::MouseEnter,
+		Box::new(move |_data, _, _| {}),
+	);
+
+	listeners.add(
+		body_id,
+		EventListenerKind::MouseMotion,
+		Box::new(move |_data, _, _| {}),
+	);
+
+	listeners.add(
+		body_id,
+		EventListenerKind::MouseLeave,
+		Box::new(move |_data, _, _| {}),
+	);
+
+	Ok(slider)
+}

wgui/src/event.rs

@@ -134,6 +134,7 @@ pub enum EventListenerKind {
 	MousePress,
 	MouseRelease,
 	MouseEnter,
+	MouseMotion,
 	MouseLeave,
 	InternalStateChange,
 }

wgui/src/parser/component_button.rs

@@ -9,9 +9,9 @@ use crate::{
 	widget::util::WLength,
 };
 
-pub fn parse_component_button<'a>(
+pub fn parse_component_button<'a, U1, U2>(
 	file: &'a ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 	parent_id: WidgetID,
 ) -> anyhow::Result<()> {
@@ -43,7 +43,7 @@ pub fn parse_component_button<'a>(
 		}
 	}
 
-	let button = button::construct(
+	let _button = button::construct(
 		ctx.layout,
 		ctx.listeners,
 		parent_id,

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(())
+}

wgui/src/parser/mod.rs

@@ -1,4 +1,5 @@
 mod component_button;
+mod component_slider;
 mod style;
 mod widget_div;
 mod widget_label;
@@ -11,9 +12,9 @@ use crate::{
 	event::EventListenerCollection,
 	layout::{Layout, WidgetID},
 	parser::{
-		component_button::parse_component_button, widget_div::parse_widget_div,
+		component_button::parse_component_button, component_slider::parse_component_slider,
-		widget_label::parse_widget_label, widget_rectangle::parse_widget_rectangle,
+		widget_div::parse_widget_div, widget_label::parse_widget_label,
-		widget_sprite::parse_widget_sprite,
+		widget_rectangle::parse_widget_rectangle, widget_sprite::parse_widget_sprite,
 	},
 };
 use ouroboros::self_referencing;
@@ -59,11 +60,11 @@ impl ParserResult {
 		}
 	}
 
-	pub fn process_template(
+	pub fn process_template<U1, U2>(
 		&mut self,
 		template_name: &str,
 		layout: &mut Layout,
-		listeners: &mut EventListenerCollection<(), ()>,
+		listeners: &mut EventListenerCollection<U1, U2>,
 		widget_id: WidgetID,
 		template_parameters: HashMap<Rc<str>, Rc<str>>,
 	) -> anyhow::Result<()> {
@@ -108,9 +109,9 @@ struct MacroAttribs {
 	attribs: HashMap<Rc<str>, Rc<str>>,
 }
 
-struct ParserContext<'a> {
+struct ParserContext<'a, U1, U2> {
 	layout: &'a mut Layout,
-	listeners: &'a mut EventListenerCollection<(), ()>,
+	listeners: &'a mut EventListenerCollection<U1, U2>,
 	var_map: HashMap<Rc<str>, Rc<str>>,
 	macro_attribs: HashMap<Rc<str>, MacroAttribs>,
 	ids: HashMap<Rc<str>, WidgetID>,
@@ -208,6 +209,16 @@ fn parse_f32(value: &str) -> Option<f32> {
 	value.parse::<f32>().ok()
 }
 
+fn parse_check_f32(value: &str, num: &mut f32) -> bool {
+	if let Some(value) = parse_f32(value) {
+		*num = value;
+		true
+	} else {
+		print_invalid_value(value);
+		false
+	}
+}
+
 fn parse_size_unit<T>(value: &str) -> Option<T>
 where
 	T: taffy::prelude::FromPercent + taffy::prelude::FromLength,
@@ -219,11 +230,11 @@ where
 	}
 }
 
-fn parse_widget_other_internal(
+fn parse_widget_other_internal<U1, U2>(
 	template: Rc<Template>,
 	template_parameters: HashMap<Rc<str>, Rc<str>>,
 	file: &ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	parent_id: WidgetID,
 ) -> anyhow::Result<()> {
 	let template_file = ParserFile {
@@ -244,10 +255,10 @@ fn parse_widget_other_internal(
 	Ok(())
 }
 
-fn parse_widget_other<'a>(
+fn parse_widget_other<'a, U1, U2>(
 	xml_tag_name: &str,
 	file: &'a ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 	parent_id: WidgetID,
 ) -> anyhow::Result<()> {
@@ -262,9 +273,9 @@ fn parse_widget_other<'a>(
 	parse_widget_other_internal(template.clone(), template_parameters, file, ctx, parent_id)
 }
 
-fn parse_tag_include<'a>(
+fn parse_tag_include<'a, U1, U2>(
 	file: &ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 	parent_id: WidgetID,
 ) -> anyhow::Result<()> {
@@ -291,7 +302,10 @@ fn parse_tag_include<'a>(
 	Ok(())
 }
 
-fn parse_tag_var<'a>(ctx: &mut ParserContext, node: roxmltree::Node<'a, 'a>) -> anyhow::Result<()> {
+fn parse_tag_var<'a, U1, U2>(
+	ctx: &mut ParserContext<U1, U2>,
+	node: roxmltree::Node<'a, 'a>,
+) -> anyhow::Result<()> {
 	let mut out_key: Option<&str> = None;
 	let mut out_value: Option<&str> = None;
 
@@ -349,9 +363,9 @@ pub fn replace_vars(input: &str, vars: &HashMap<Rc<str>, Rc<str>>) -> Rc<str> {
 }
 
 #[allow(clippy::manual_strip)]
-fn process_attrib<'a>(
+fn process_attrib<'a, U1, U2>(
 	file: &'a ParserFile,
-	ctx: &'a ParserContext,
+	ctx: &'a ParserContext<U1, U2>,
 	key: &str,
 	value: &str,
 ) -> (Rc<str>, Rc<str>) {
@@ -373,9 +387,9 @@ fn process_attrib<'a>(
 	}
 }
 
-fn iter_attribs<'a>(
+fn iter_attribs<'a, U1, U2>(
 	file: &'a ParserFile,
-	ctx: &'a ParserContext,
+	ctx: &'a ParserContext<U1, U2>,
 	node: &'a roxmltree::Node<'a, 'a>,
 	is_tag_macro: bool,
 ) -> impl Iterator<Item = (/*key*/ Rc<str>, /*value*/ Rc<str>)> + 'a {
@@ -409,8 +423,8 @@ fn iter_attribs<'a>(
 	res.into_iter()
 }
 
-fn parse_tag_theme<'a>(
+fn parse_tag_theme<'a, U1, U2>(
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 ) -> anyhow::Result<()> {
 	for child_node in node.children() {
@@ -429,9 +443,9 @@ fn parse_tag_theme<'a>(
 	Ok(())
 }
 
-fn parse_tag_template(
+fn parse_tag_template<U1, U2>(
 	file: &ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'_, '_>,
 ) -> anyhow::Result<()> {
 	let mut template_name: Option<Rc<str>> = None;
@@ -465,9 +479,9 @@ fn parse_tag_template(
 	Ok(())
 }
 
-fn parse_tag_macro(
+fn parse_tag_macro<U1, U2>(
 	file: &ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'_, '_>,
 ) -> anyhow::Result<()> {
 	let mut macro_name: Option<Rc<str>> = None;
@@ -503,9 +517,9 @@ fn parse_tag_macro(
 	Ok(())
 }
 
-fn parse_universal<'a>(
+fn parse_universal<'a, U1, U2>(
 	file: &'a ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 	widget_id: WidgetID,
 ) -> anyhow::Result<()> {
@@ -526,9 +540,9 @@ fn parse_universal<'a>(
 	Ok(())
 }
 
-fn parse_children<'a>(
+fn parse_children<'a, U1, U2>(
 	file: &ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 	parent_id: WidgetID,
 ) -> anyhow::Result<()> {
@@ -552,6 +566,9 @@ fn parse_children<'a>(
 			"button" => {
 				parse_component_button(file, ctx, child_node, parent_id)?;
 			}
+			"slider" => {
+				parse_component_slider(file, ctx, child_node, parent_id)?;
+			}
 			"" => { /* ignore */ }
 			other_tag_name => {
 				parse_widget_other(other_tag_name, file, ctx, child_node, parent_id)?;
@@ -561,10 +578,10 @@ fn parse_children<'a>(
 	Ok(())
 }
 
-fn create_default_context<'a>(
+fn create_default_context<'a, U1, U2>(
 	layout: &'a mut Layout,
-	listeners: &'a mut EventListenerCollection<(), ()>,
+	listeners: &'a mut EventListenerCollection<U1, U2>,
-) -> ParserContext<'a> {
+) -> ParserContext<'a, U1, U2> {
 	ParserContext {
 		layout,
 		listeners,
@@ -575,9 +592,9 @@ fn create_default_context<'a>(
 	}
 }
 
-pub fn parse_from_assets(
+pub fn parse_from_assets<U1, U2>(
 	layout: &mut Layout,
-	listeners: &mut EventListenerCollection<(), ()>,
+	listeners: &mut EventListenerCollection<U1, U2>,
 	parent_id: WidgetID,
 	path: &str,
 ) -> anyhow::Result<ParserResult> {
@@ -602,9 +619,9 @@ pub fn parse_from_assets(
 	Ok(result)
 }
 
-pub fn new_layout_from_assets(
+pub fn new_layout_from_assets<U1, U2>(
 	assets: Box<dyn AssetProvider>,
-	listeners: &mut EventListenerCollection<(), ()>,
+	listeners: &mut EventListenerCollection<U1, U2>,
 	path: &str,
 ) -> anyhow::Result<(Layout, ParserResult)> {
 	let mut layout = Layout::new(assets)?;
@@ -618,8 +635,8 @@ fn assets_path_to_xml(assets: &mut Box<dyn AssetProvider>, path: &Path) -> anyho
 	Ok(String::from_utf8(data)?)
 }
 
-fn get_doc_from_path(
+fn get_doc_from_path<U1, U2>(
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	path: &Path,
 ) -> anyhow::Result<(ParserFile, roxmltree::NodeId)> {
 	let xml = assets_path_to_xml(&mut ctx.layout.assets, path)?;
@@ -643,9 +660,9 @@ fn get_doc_from_path(
 	Ok((file, tag_layout.id()))
 }
 
-fn parse_document_root(
+fn parse_document_root<U1, U2>(
 	file: ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	parent_id: WidgetID,
 	node_layout: roxmltree::NodeId,
 ) -> anyhow::Result<()> {

wgui/src/parser/widget_div.rs

@@ -6,9 +6,9 @@ use crate::{
 	widget,
 };
 
-pub fn parse_widget_div<'a>(
+pub fn parse_widget_div<'a, U1, U2>(
 	file: &ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 	parent_id: WidgetID,
 ) -> anyhow::Result<()> {

wgui/src/parser/widget_label.rs

@@ -7,9 +7,9 @@ use crate::{
 	widget::text::{TextLabel, TextParams},
 };
 
-pub fn parse_widget_label<'a>(
+pub fn parse_widget_label<'a, U1, U2>(
 	file: &'a ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 	parent_id: WidgetID,
 ) -> anyhow::Result<()> {

wgui/src/parser/widget_rectangle.rs

@@ -8,9 +8,9 @@ use crate::{
 	widget::{self, rectangle::RectangleParams},
 };
 
-pub fn parse_widget_rectangle<'a>(
+pub fn parse_widget_rectangle<'a, U1, U2>(
 	file: &ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 	parent_id: WidgetID,
 ) -> anyhow::Result<()> {

wgui/src/parser/widget_sprite.rs

@@ -9,9 +9,9 @@ use crate::{
 
 use super::{parse_color_hex, print_invalid_attrib};
 
-pub fn parse_widget_sprite<'a>(
+pub fn parse_widget_sprite<'a, U1, U2>(
 	file: &'a ParserFile,
-	ctx: &mut ParserContext,
+	ctx: &mut ParserContext<U1, U2>,
 	node: roxmltree::Node<'a, 'a>,
 	parent_id: WidgetID,
 ) -> anyhow::Result<()> {

wgui/src/widget/mod.rs

@@ -390,6 +390,17 @@ impl WidgetState {
 						);
 					}
 				}
+
+				call_event!(
+					self,
+					listeners,
+					widget_id,
+					node_id,
+					params,
+					MouseMotion,
+					user_data,
+					CallbackMetadata::None
+				);
 			}
 			Event::MouseLeave(e) => {
 				if self.data.set_device_hovered(e.device, false) {
@@ -420,4 +431,4 @@ impl WidgetState {
 		}
 		EventResult::Pass
 	}
-}
+}

wlx-overlay-s/src/gui/panel.rs

@@ -42,8 +42,13 @@ impl<S> GuiPanel<S> {
         path: &str,
         state: S,
     ) -> anyhow::Result<(Self, ParserResult)> {
-        let (layout, parser_result) =
+        let mut listeners = EventListenerCollection::<AppState, S>::default();
-            wgui::parser::new_layout_from_assets(Box::new(gui::asset::GuiAsset {}), path)?;
+
+        let (layout, parser_result) = wgui::parser::new_layout_from_assets(
+            Box::new(gui::asset::GuiAsset {}),
+            &mut listeners,
+            path,
+        )?;
 
         let context = WguiContext::new(&mut app.wgui_shared, 1.0)?;
         let mut timestep = Timestep::new();
@@ -56,7 +61,7 @@ impl<S> GuiPanel<S> {
                 timestep,
                 state,
                 timers: vec![],
-                listeners: EventListenerCollection::default(),
+                listeners,
             },
             parser_result,
         ))

wlx-overlay-s/src/overlays/keyboard/builder.rs

@@ -77,6 +77,7 @@ where
 
     let (_, mut gui_state_key) = wgui::parser::new_layout_from_assets(
         Box::new(gui::asset::GuiAsset {}),
+        &mut panel.listeners,
         "gui/keyboard.xml",
     )?;
 
@@ -156,7 +157,13 @@ where
             }
 
             let template_key = format!("Key{:?}", key.cap_type);
-            gui_state_key.process_template(&template_key, &mut panel.layout, div, params)?;
+            gui_state_key.process_template(
+                &template_key,
+                &mut panel.layout,
+                &mut panel.listeners,
+                div,
+                params,
+            )?;
 
             if let Some(widget_id) = gui_state_key.ids.get(&*my_id) {
                 let key_state = {