[Skia] Tooltip location is incorrect

[jeromelaban]

Sometimes I get this strange label that shows up in the left-hand corner when picking a color. I have seen this on Skia on GTK+ on Windows, and on Linux Framebuffer. Where is it coming from, and more importantly, how can I disable it? It doesn't show up all the time, I don't have a reliable way to reproduce it.

Originally posted by @HakanL in #13756

[jeromelaban]

Thanks for the report. This looks like incorrect handling of pointer events, which makes the tooltip show up. You may be able to alter the template to avoid the tooltip from being available, something like this:

uno/src/Uno.UI.FluentTheme.v2/Resources/Version2/PriorityDefault/ColorPicker.xaml

Lines 592 to 595 in 13bbce8

	<Thumb x:Name="HorizontalThumb" AutomationProperties.AccessibilityView="Raw" Grid.Column="1" DataContext="{TemplateBinding Value}" Height="{ThemeResource SliderHorizontalThumbHeight}" Grid.Row="0" Grid.RowSpan="3" Style="{StaticResource SliderThumbStyle}" Width="{ThemeResource SliderHorizontalThumbWidth}">
	<ToolTipService.ToolTip>
	<ToolTip x:Name="ToolTip" VerticalOffset="20" />
	</ToolTipService.ToolTip>

[HakanL]

Ah, that's probably what it is, I now realize it shows up most (all?) of the time when I select the brightness in the color picker. If there's anything I haven't figured out yet it's how to do style overrides with the least amount of code that doesn't mess with anything else on the color picker/thumb control, do you think you can direct me to what I need to add to my xaml to remove the tooltip?

[TopProgrammer77]

This issue is occurred on WASM as well

[MartinZikmund]

You can set the Slider.IsToolTipEnabled property to false to ensure the tooltip is not shown for now, see docs

[HakanL]

You can set the Slider.IsToolTipEnabled property to false to ensure the tooltip is not shown for now

Silly question, but how can I actually set this property to false? It's the ColorSlider control, but that isn't exposed from what I can see.

[HakanL]

FWIW I was able to get rid of the tooltip by copying the style and removing the TooltipService from the Thumb (setting any of the enable properties to False didn't do it). It would still be interesting to know how to do this in XAML without overriding the style.