1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// Copyright 2019-2022 Graham Clark. All rights reserved. Use of this source
// code is governed by the MIT license that can be found in the LICENSE
// file.
// Package holder provides a widget that wraps an inner widget, and allows it to be easily swapped for another.
package holder
import (
"fmt"
"github.com/gcla/gowid"
)
//======================================================================
// Widget is the gowid analog of urwid's WidgetWrap.
type Widget struct {
gowid.IWidget
*gowid.Callbacks
gowid.SubWidgetCallbacks
}
func New(w gowid.IWidget) *Widget {
res := &Widget{
IWidget: w,
}
res.SubWidgetCallbacks = gowid.SubWidgetCallbacks{CB: &res.Callbacks}
var _ gowid.IWidget = res
var _ gowid.ICompositeWidget = res
return res
}
func (w *Widget) String() string {
return fmt.Sprintf("holder[%v]", w.SubWidget())
}
func (w *Widget) SubWidget() gowid.IWidget {
return w.IWidget
}
func (w *Widget) SetSubWidget(wi gowid.IWidget, app gowid.IApp) {
w.IWidget = wi
gowid.RunWidgetCallbacks(w, gowid.SubWidgetCB{}, app, w)
}
func (w *Widget) SubWidgetSize(size gowid.IRenderSize, focus gowid.Selector, app gowid.IApp) gowid.IRenderSize {
return w.SubWidget().RenderSize(size, focus, app)
}
//======================================================================
// Local Variables:
// mode: Go
// fill-column: 110
// End:
|
