Change show/hide delays for tooltips

500ms seems to be the most frequently used delay before showing a
tooltip. Since the fade-in/fade-out animation already takes some time,
I've set the hide delay to 0.

CHANGELOG.md

@@ -179,13 +179,16 @@
   all symbols rendered in a given frame. You can also pause the performance
   monitor and inspect results recorded in the past.
 - [ToggleButtons can now have tooltips][6035].
+- [Rendering of tooltips was improved.][6097] Their text is now more vertically
+  centered and the delay before showing them was extended.
 
 [3857]: https://github.com/enso-org/enso/pull/3857
 [3985]: https://github.com/enso-org/enso/pull/3985
 [4047]: https://github.com/enso-org/enso/pull/4047
 [4003]: https://github.com/enso-org/enso/pull/4003
 [5895]: https://github.com/enso-org/enso/pull/5895
 [6035]: https://github.com/enso-org/enso/pull/6035
+[6097]: https://github.com/enso-org/enso/pull/6097
 
 #### Enso Standard Library
 

lib/rust/ensogl/app/theme/hardcoded/src/lib.rs

@@ -183,8 +183,8 @@ define_themes! { [light:0, dark:1]
         // light: rgb(231,235,238), old-dark: Lcha(0.13,0.014,0.18,1.0), dark: rgb(32,34,36)
         background = Rgb::from_base_255(231.0, 235.0, 238.0) , Rgba(0.125,0.133,0.141,1.0);
         tooltip {
-            hide_delay_duration_ms = 150.0, 150.0;
-            show_delay_duration_ms = 150.0, 150.0;
+            show_delay_duration_ms = 500.0, 500.0;
+            hide_delay_duration_ms = 0.0, 0.0;
         }
         component_browser {
             panels_gap = 3.0, 3.0;

lib/rust/ensogl/component/tooltip/src/lib.rs

@@ -140,7 +140,7 @@ impl Tooltip {
         );
 
         let hysteretic_transition =
-            HystereticAnimation::new(network, hide_delay_duration_ms, show_delay_duration_ms);
+            HystereticAnimation::new(network, show_delay_duration_ms, hide_delay_duration_ms);
 
         frp::extend! { network