84 lines
2.0 KiB
Go
84 lines
2.0 KiB
Go
package input
|
|
|
|
import (
|
|
"log/slog"
|
|
|
|
"github.com/egoist/mygo/ui"
|
|
|
|
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
|
|
)
|
|
|
|
type EditableTextOptions struct {
|
|
Placeholder string
|
|
// Width is in dots; zero means 120.
|
|
Width int
|
|
Disabled bool
|
|
}
|
|
|
|
type EditableTextResult struct {
|
|
Element *ui.Element
|
|
Changed bool
|
|
}
|
|
|
|
type editableKey struct{}
|
|
|
|
type editable struct {
|
|
on, refocus bool
|
|
draft string
|
|
}
|
|
|
|
// EditableText edits on double click or Enter; Escape reverts.
|
|
func EditableText(c *ui.Context, text string, value *string, o EditableTextOptions) EditableTextResult {
|
|
k := pixel.K(c)
|
|
w := pixel.Or("EditableText Width", o.Width, 120)
|
|
box := ui.Box(c)
|
|
s := ui.Local(box, editableKey{}, func() editable { return editable{} })
|
|
res := EditableTextResult{Element: box}
|
|
if o.Disabled {
|
|
s.on = false
|
|
}
|
|
box.Children(func() {
|
|
if s.on {
|
|
ed, e := field(c, &s.draft, pixel.EditorOptions{Label: text, Placeholder: o.Placeholder}, w, nil, nil, nil)
|
|
ed.Input.AutoFocus()
|
|
enter, escape := e.Shortcut(0, ui.KeyEnter), e.Shortcut(0, ui.KeyEscape)
|
|
if enter {
|
|
res.Changed = *value != s.draft
|
|
*value = s.draft
|
|
}
|
|
if enter || escape {
|
|
s.on, s.refocus = false, true
|
|
}
|
|
return
|
|
}
|
|
shell, base, st := pixel.Shell(c, func() *ui.Element {
|
|
return ui.Box(c).Focusable().Role(ui.RoleButton).Label(text).Description(*value).Disabled(o.Disabled)
|
|
})
|
|
if s.refocus {
|
|
base.Focus()
|
|
s.refocus = false
|
|
}
|
|
enter, double := base.Shortcut(0, ui.KeyEnter), base.DoubleClicked()
|
|
if enter || double {
|
|
s.on, s.draft = true, *value
|
|
}
|
|
shell.Size(k.D(w), k.D(pixel.LineHeight+6)).Draw(func(p *ui.Painter, r ui.Rect) {
|
|
g := k.Canvas(p, r)
|
|
if st.Hover {
|
|
g.Rect(0, 0, g.W, g.H, pixel.Lit)
|
|
}
|
|
shown, ink := *value, pixel.Ink
|
|
if shown == "" {
|
|
shown, ink = o.Placeholder, pixel.Faint
|
|
}
|
|
g.Text(4, 3, shown, ink, 1)
|
|
g.Veil(0, g.H-1, g.W, 1, pixel.Faint, 8)
|
|
g.Finish(st)
|
|
})
|
|
})
|
|
if res.Changed {
|
|
slog.Debug("8bit: text edited", "label", text, "value", *value)
|
|
}
|
|
return res
|
|
}
|