Files
gio-patched/widget/bool.go
T
Elias Naur dc97871122 widget: [API] rename Bool.Changed to Update and move state update to it
Similar to a previous change for Clickable, this change separates Bool
state changes to its renamed method Update. This allows access to
the most recent state before calling Layout.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
2023-10-06 20:03:25 -05:00

54 lines
1.1 KiB
Go

// SPDX-License-Identifier: Unlicense OR MIT
package widget
import (
"gioui.org/io/semantic"
"gioui.org/layout"
)
type Bool struct {
Value bool
clk Clickable
}
// Update the widget state and report whether Value was changed.
func (b *Bool) Update(gtx layout.Context) bool {
changed := false
for b.clk.Clicked(gtx) {
b.Value = !b.Value
changed = true
}
return changed
}
// Hovered reports whether pointer is over the element.
func (b *Bool) Hovered() bool {
return b.clk.Hovered()
}
// Pressed reports whether pointer is pressing the element.
func (b *Bool) Pressed() bool {
return b.clk.Pressed()
}
// Focused reports whether b has focus.
func (b *Bool) Focused() bool {
return b.clk.Focused()
}
func (b *Bool) History() []Press {
return b.clk.History()
}
func (b *Bool) Layout(gtx layout.Context, w layout.Widget) layout.Dimensions {
b.Update(gtx)
dims := b.clk.Layout(gtx, func(gtx layout.Context) layout.Dimensions {
semantic.SelectedOp(b.Value).Add(gtx.Ops)
semantic.EnabledOp(gtx.Queue != nil).Add(gtx.Ops)
return w(gtx)
})
return dims
}