fix tooltips not disappearing, clippy

wgui/src/components/button.rs

@@ -1,6 +1,6 @@
 use crate::{
 	animation::{Animation, AnimationEasing},
-	components::{self, tooltip::ComponentTooltip, Component, ComponentBase, ComponentTrait, RefreshData},
+	components::{self, Component, ComponentBase, ComponentTrait, RefreshData, tooltip::ComponentTooltip},
 	drawing::{self, Boundary, Color},
 	event::{CallbackDataCommon, EventListenerCollection, EventListenerID, EventListenerKind},
 	i18n::Translation,
@@ -10,15 +10,15 @@ use crate::{
 		util::centered_matrix,
 	},
 	widget::{
+		self, ConstructEssentials, EventResult, WidgetData,
 		label::{WidgetLabel, WidgetLabelParams},
 		rectangle::{WidgetRectangle, WidgetRectangleParams},
 		util::WLength,
-		ConstructEssentials, EventResult, WidgetData,
 	},
 };
 use glam::{Mat4, Vec3};
 use std::{cell::RefCell, rc::Rc};
-use taffy::{prelude::length, AlignItems, JustifyContent};
+use taffy::{AlignItems, JustifyContent, prelude::length};
 
 pub struct Params {
 	pub text: Option<Translation>, // if unset, label will not be populated
@@ -91,8 +91,19 @@ impl ComponentTrait for ComponentButton {
 		&mut self.base
 	}
 
-	fn refresh(&self, _data: &mut RefreshData) {
+	fn refresh(&self, data: &mut RefreshData) {
 		// nothing to do
+		let mut state = self.state.borrow_mut();
+
+		if state.active_tooltip.is_some() {
+			if let Some(node_id) = data.common.state.nodes.get(self.base.get_id()) {
+				if !widget::is_node_visible(&data.common.state.tree, *node_id) {
+					state.active_tooltip = None; // destroy the tooltip, this button is now hidden
+				}
+			} else {
+				debug_assert!(false);
+			}
+		}
 	}
 }
 
@@ -472,6 +483,6 @@ pub fn construct(ess: &mut ConstructEssentials, params: Params) -> anyhow::Resul
 
 	let button = Rc::new(ComponentButton { base, data, state });
 
-	ess.layout.defer_component_refresh(Component(button.clone()));
+	ess.layout.register_component_refresh(Component(button.clone()));
 	Ok((root, button))
 }

wgui/src/components/mod.rs

@@ -1,4 +1,5 @@
-use std::rc::Rc;
+use std::hash::Hash;
+use std::{hash::Hasher, rc::Rc};
 
 use crate::{
 	any::AnyTrait,
@@ -54,3 +55,21 @@ impl Component {
 		unsafe { Ok(Rc::from_raw(Rc::into_raw(self.0.clone()).cast())) }
 	}
 }
+
+// these hash/eq impls are required in case we want to do something like HashSet<Component> for convenience reasons.
+
+// hash by address
+impl Hash for Component {
+	fn hash<H: Hasher>(&self, state: &mut H) {
+		std::ptr::hash(&raw const self.0, state);
+	}
+}
+
+// match by address
+impl PartialEq for Component {
+	fn eq(&self, other: &Self) -> bool {
+		std::ptr::eq(&raw const self.0, &raw const other.0)
+	}
+}
+
+impl Eq for Component {}