forked from joejulian/gio
Elias Naur
cd2ade0583
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>
57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
// SPDX-License-Identifier: Unlicense OR MIT
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package widget
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import (
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"gioui.org/io/semantic"
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"gioui.org/layout"
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)
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type Bool struct {
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Value bool
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clk Clickable
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changed bool
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}
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// Changed reports whether Value has changed since the last
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// call to Changed.
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func (b *Bool) Changed() bool {
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changed := b.changed
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b.changed = false
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return changed
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}
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// Hovered reports whether pointer is over the element.
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func (b *Bool) Hovered() bool {
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return b.clk.Hovered()
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}
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// Pressed reports whether pointer is pressing the element.
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func (b *Bool) Pressed() bool {
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return b.clk.Pressed()
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}
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// Focused reports whether b has focus.
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func (b *Bool) Focused() bool {
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return b.clk.Focused()
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}
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func (b *Bool) History() []Press {
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return b.clk.History()
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}
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func (b *Bool) Layout(gtx layout.Context, w layout.Widget) layout.Dimensions {
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dims := b.clk.Layout(gtx, func(gtx layout.Context) layout.Dimensions {
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for b.clk.Clicked() {
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b.Value = !b.Value
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b.changed = true
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}
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semantic.SelectedOp(b.Value).Add(gtx.Ops)
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semantic.DisabledOp(gtx.Queue == nil).Add(gtx.Ops)
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return w(gtx)
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})
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return dims
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}
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