fix tooltips staying after parent is gone

wayvr/src/gui/panel/mod.rs

@@ -206,7 +206,10 @@ impl<S: 'static> GuiPanel<S> {
                 setup_custom_label::<S>(&mut self.layout, &self.parser_state, elem, app);
             } else if let Ok(button) = self
                 .parser_state
-                .fetch_component_from_widget_id_as::<ComponentButton>(&self.layout.state, elem.widget_id)
+                .fetch_component_from_widget_id_as::<ComponentButton>(
+                    &self.layout.state,
+                    elem.widget_id,
+                )
             {
                 setup_custom_button::<S>(
                     &mut self.layout,

wayvr/src/overlays/edit/mod.rs

@@ -372,8 +372,8 @@ fn make_edit_panel(app: &mut AppState) -> anyhow::Result<EditModeWrapPanel> {
     let anim_mult = app.wgui_theme.animation_mult;
 
     let on_custom_attrib: OnCustomAttribFunc = Box::new(move |layout, parser, attribs, _app| {
-        let Ok(button) =
-            parser.fetch_component_from_widget_id_as::<ComponentButton>(&layout.state, attribs.widget_id)
+        let Ok(button) = parser
+            .fetch_component_from_widget_id_as::<ComponentButton>(&layout.state, attribs.widget_id)
         else {
             return;
         };

wayvr/src/overlays/keyboard/builder.rs

@@ -341,7 +341,7 @@ fn find_children<S>(
         .layout
         .collect_children_ids_recursive(widget_id, &mut children);
 
-    for (child, _) in children {
+    for child in children {
         if let Some(widget) = panel.layout.state.widgets.get_as::<WidgetSprite>(child) {
             sprites.push(ChildWidget {
                 id: child,

wayvr/src/overlays/wayvr.rs

@@ -204,9 +204,10 @@ impl WvrWindowBackend {
 
         let on_custom_attrib: OnCustomAttribFunc =
             Box::new(move |layout, parser, attribs, _app| {
-                let Ok(button) =
-                    parser.fetch_component_from_widget_id_as::<ComponentButton>(&layout.state, attribs.widget_id)
-                else {
+                let Ok(button) = parser.fetch_component_from_widget_id_as::<ComponentButton>(
+                    &layout.state,
+                    attribs.widget_id,
+                ) else {
                     return;
                 };
 

wayvr/src/overlays/whisper.rs

@@ -95,8 +95,8 @@ pub fn create_whisper(
     let xml = "gui/whisper.xml";
 
     let on_custom_attrib: OnCustomAttribFunc = Box::new(move |layout, parser, attribs, _app| {
-        let Ok(button) =
-            parser.fetch_component_from_widget_id_as::<ComponentButton>(&layout.state, attribs.widget_id)
+        let Ok(button) = parser
+            .fetch_component_from_widget_id_as::<ComponentButton>(&layout.state, attribs.widget_id)
         else {
             return;
         };

wgui/src/components/button.rs

@@ -143,7 +143,7 @@ impl ComponentTrait for ComponentButton {
 				.layout
 				.collect_children_ids_recursive(self.data.id_rect, &mut children);
 
-			for (child, _) in children {
+			for child in children {
 				if let Some(mut widget) = data.layout.state.widgets.get_as::<WidgetSprite>(child) {
 					if !state.id_sprite.is_null() && state.id_sprite != child {
 						log::error!("Button with more than one sprite!");
@@ -184,6 +184,13 @@ impl ComponentTrait for ComponentButton {
 			}
 		}
 	}
+
+	fn destroy(&self, data: &mut components::DestroyData) {
+		if let Some(comp) = self.state.borrow_mut().active_tooltip.take() {
+			comp.destroy(data);
+			data.destroy_widgets.push(comp.base().id);
+		}
+	}
 }
 
 fn get_color2(color: &WguiColor, gradient_intensity: f32) -> WguiColor {

wgui/src/components/checkbox.rs

@@ -11,7 +11,7 @@ use crate::{
 	animation::{Animation, AnimationEasing},
 	color::{WguiColor, WguiColorName},
 	components::{
-		Component, ComponentBase, ComponentTrait, RefreshData,
+		Component, ComponentBase, ComponentTrait, DestroyData, RefreshData,
 		radio_group::ComponentRadioGroup,
 		tooltip::{self, ComponentTooltip, TooltipTrait},
 	},
@@ -111,6 +111,13 @@ impl ComponentTrait for ComponentCheckbox {
 	fn refresh(&self, _data: &mut RefreshData) {
 		// nothing to do
 	}
+
+	fn destroy(&self, data: &mut DestroyData) {
+		if let Some(comp) = self.state.borrow_mut().active_tooltip.take() {
+			comp.destroy(data);
+			data.destroy_widgets.push(comp.base().id);
+		}
+	}
 }
 
 fn set_box_checked(widgets: &layout::WidgetMap, data: &Data, checked: bool, hovered: bool) {

wgui/src/components/mod.rs

@@ -25,6 +25,11 @@ pub struct RefreshData<'a> {
 	pub layout: &'a mut Layout,
 }
 
+pub struct DestroyData<'a> {
+	pub layout: &'a mut Layout,
+	pub destroy_widgets: &'a mut Vec<WidgetID>,
+}
+
 pub struct FocusChangeData<'a> {
 	pub common: &'a mut CallbackDataCommon<'a>,
 	pub focused: bool,
@@ -49,6 +54,7 @@ pub trait ComponentTrait: AnyTrait {
 	fn base_mut(&mut self) -> &mut ComponentBase;
 	fn refresh(&self, data: &mut RefreshData);
 	fn on_focus_change(&self, _data: &mut FocusChangeData) {}
+	fn destroy(&self, _data: &mut DestroyData) {}
 }
 
 #[derive(Clone)]

wgui/src/components/slider.rs

@@ -7,7 +7,7 @@ use crate::{
 	animation::{Animation, AnimationCallback, AnimationEasing},
 	color::{WguiColor, WguiColorName},
 	components::{
-		Component, ComponentBase, ComponentTrait, RefreshData,
+		Component, ComponentBase, ComponentTrait, DestroyData, RefreshData,
 		tooltip::{self, ComponentTooltip, TooltipTrait},
 	},
 	event::{
@@ -160,6 +160,13 @@ impl ComponentTrait for ComponentSlider {
 	fn base_mut(&mut self) -> &mut ComponentBase {
 		&mut self.base
 	}
+
+	fn destroy(&self, data: &mut DestroyData) {
+		if let Some(comp) = self.state.borrow_mut().active_tooltip.take() {
+			comp.destroy(data);
+			data.destroy_widgets.push(comp.base().id);
+		}
+	}
 }
 
 impl ComponentSlider {

wgui/src/components/tabs.rs

@@ -2,7 +2,7 @@ use crate::{
 	assets::AssetPathRc,
 	color::WguiColor,
 	components::{
-		Component, ComponentBase, ComponentTrait, RefreshData,
+		Component, ComponentBase, ComponentTrait, DestroyData, RefreshData,
 		button::{self, ComponentButton},
 	},
 	event::CallbackDataCommon,
@@ -71,6 +71,13 @@ impl ComponentTrait for ComponentTabs {
 	fn refresh(&self, _data: &mut RefreshData) {
 		// nothing to do
 	}
+
+	fn destroy(&self, data: &mut DestroyData) {
+		for e in self.state.borrow_mut().mounted_entries.drain(..) {
+			e.button.destroy(data);
+			data.destroy_widgets.push(e.button.base().id);
+		}
+	}
 }
 
 impl State {

wgui/src/layout.rs

@@ -7,7 +7,7 @@ use std::{
 
 use crate::{
 	animation::Animations,
-	components::{self, Component, ComponentWeak, FocusChangeData, RefreshData},
+	components::{self, Component, ComponentWeak, DestroyData, FocusChangeData, RefreshData},
 	drawing::{
 		self, ANSI_BOLD_CODE, ANSI_RESET_CODE, Boundary, PushScissorStackResult, push_scissor_stack, push_transform_stack,
 	},
@@ -283,21 +283,35 @@ impl Layout {
 		})
 	}
 
-	pub fn collect_children_ids_recursive(&self, widget_id: WidgetID, out: &mut Vec<(WidgetID, taffy::NodeId)>) {
+	pub fn collect_children_ids_recursive(&self, widget_id: WidgetID, out: &mut Vec<WidgetID>) {
 		let Some(node_id) = self.state.nodes.get(widget_id) else {
 			return;
 		};
 
 		for child_id in self.state.tree.child_ids(*node_id) {
 			let child_widget_id = self.state.tree.get_node_context(child_id).unwrap();
-			out.push((*child_widget_id, child_id));
+			out.push(*child_widget_id);
 			self.collect_children_ids_recursive(*child_widget_id, out);
 		}
 	}
 
-	fn remove_widget_single(&mut self, widget_id: WidgetID, node_id: Option<taffy::NodeId>) {
+	fn remove_widget_single(&mut self, widget_id: WidgetID) {
 		self.state.widgets.remove_single(widget_id);
-		self.state.nodes.remove(widget_id);
+		let node_id = self.state.nodes.remove(widget_id);
+
+		if let Some(component_weak) = self.state.components_by_widget_id.remove(widget_id)
+			&& let Some(component) = component_weak.upgrade()
+		{
+			let mut destroy_widgets = vec![];
+			component.destroy(&mut DestroyData {
+				layout: self,
+				destroy_widgets: &mut destroy_widgets,
+			});
+			for wid in destroy_widgets {
+				self.remove_widget_single(wid);
+			}
+		}
+
 		if let Some(node_id) = node_id {
 			self.registered_components_to_refresh.remove(&node_id);
 			let _ = self.state.tree.remove(node_id);
@@ -313,16 +327,15 @@ impl Layout {
 			self.mark_redraw();
 		}
 
-		for (widget_id, node_id) in ids {
-			self.remove_widget_single(widget_id, Some(node_id));
+		for widget_id in ids {
+			self.remove_widget_single(widget_id);
 		}
 	}
 
 	// remove widget and its children, recursively
 	pub fn remove_widget(&mut self, widget_id: WidgetID) {
 		self.remove_children(widget_id);
-		let node_id = self.state.nodes.get(widget_id);
-		self.remove_widget_single(widget_id, node_id.copied());
+		self.remove_widget_single(widget_id);
 		self.mark_redraw();
 	}
 

wgui/src/parser/mod.rs

@@ -97,7 +97,11 @@ pub trait Fetchable {
 	fn fetch_component_as<T: 'static>(&self, id: &str) -> anyhow::Result<Rc<T>>;
 
 	/// Fetch a component by widget ID and down‑cast it to a concrete component type `T` (see `components/mod.rs`)
-	fn fetch_component_from_widget_id_as<T: 'static>(&self, state: &LayoutState, widget_id: WidgetID) -> anyhow::Result<Rc<T>>;
+	fn fetch_component_from_widget_id_as<T: 'static>(
+		&self,
+		state: &LayoutState,
+		widget_id: WidgetID,
+	) -> anyhow::Result<Rc<T>>;
 
 	/// Return a widget by its string ID
 	fn get_widget_id(&self, id: &str) -> anyhow::Result<WidgetID>;
@@ -168,7 +172,11 @@ impl Fetchable for ParserData {
 		state.fetch_component_by_widget_id(widget_id)
 	}
 
-	fn fetch_component_from_widget_id_as<T: 'static>(&self, state: &LayoutState, widget_id: WidgetID) -> anyhow::Result<Rc<T>> {
+	fn fetch_component_from_widget_id_as<T: 'static>(
+		&self,
+		state: &LayoutState,
+		widget_id: WidgetID,
+	) -> anyhow::Result<Rc<T>> {
 		state.fetch_component_from_widget_id_as(widget_id)
 	}
 
@@ -381,7 +389,11 @@ impl Fetchable for ParserState {
 		self.data.fetch_component_by_widget_id(state, widget_id)
 	}
 
-	fn fetch_component_from_widget_id_as<T: 'static>(&self, state: &LayoutState, widget_id: WidgetID) -> anyhow::Result<Rc<T>> {
+	fn fetch_component_from_widget_id_as<T: 'static>(
+		&self,
+		state: &LayoutState,
+		widget_id: WidgetID,
+	) -> anyhow::Result<Rc<T>> {
 		self.data.fetch_component_from_widget_id_as(state, widget_id)
 	}