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widget,widget/material: make Clickable widgets focusable

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This change adds focus and keyboard control to Clickable widgets.
They now consider a press of the enter or return key equivalent to
a click. To keep the change simple, the focus indication is the
same as the hover indication.

References: https://todo.sr.ht/~eliasnaur/gio/195
References: https://github.com/tailscale/tailscale/issues/1611
Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2022-02-23 10:39:08 +01:00
parent eb48b45913
commit cd2ade0583
7 changed files with 128 additions and 43 deletions
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widget/material/radiobutton.go
+3 -1
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@@ -38,8 +38,10 @@ func RadioButton(th *Theme, group *widget.Enum, key, label string) RadioButtonSt
// Layout updates enum and displays the radio button.
func (r RadioButtonStyle) Layout(gtx layout.Context) layout.Dimensions {
hovered, hovering := r.Group.Hovered()
focus, focused := r.Group.Focused()
return r.Group.Layout(gtx, r.Key, func(gtx layout.Context) layout.Dimensions {
semantic.RadioButton.Add(gtx.Ops)
return r.layout(gtx, r.Group.Value == r.Key, hovering && hovered == r.Key)
highlight := hovering && hovered == r.Key || focused && focus == r.Key
return r.layout(gtx, r.Group.Value == r.Key, highlight)
})
}