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io/input: [API] introduce Source, the interface between a Router and widgets

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This change gets rid of the event.Queue interface by replacing it with
input.Source values. Source provides the interface to Router necessary
to implement interface widgets.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2023-10-08 17:56:03 -05:00
parent c319f3c214
commit 6027517949
31 changed files with 106 additions and 127 deletions
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widget/list.go
+3 -3
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@@ -61,7 +61,7 @@ func (s *Scrollbar) Update(gtx layout.Context, axis layout.Axis, viewportStart,
}
// Jump to a click in the track.
for _, event := range s.track.Update(gtx) {
for _, event := range s.track.Update(gtx.Source) {
if event.Kind != gesture.KindClick ||
event.Modifiers != key.Modifiers(0) ||
event.NumClicks > 1 {
@@ -80,7 +80,7 @@ func (s *Scrollbar) Update(gtx layout.Context, axis layout.Axis, viewportStart,
}
// Offset to account for any drags.
for _, event := range s.drag.Update(gtx.Metric, gtx, gesture.Axis(axis)) {
for _, event := range s.drag.Update(gtx.Metric, gtx.Source, gesture.Axis(axis)) {
switch event.Kind {
case pointer.Drag:
case pointer.Release, pointer.Cancel:
@@ -136,7 +136,7 @@ func (s *Scrollbar) Update(gtx layout.Context, axis layout.Axis, viewportStart,
// Process events from the indicator so that hover is
// detected properly.
_ = s.indicator.Update(gtx)
_ = s.indicator.Update(gtx.Source)
}
// AddTrack configures the track click listener for the scrollbar to use