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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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gesture/gesture.go
+5 -5
View File
@@ -17,7 +17,7 @@ import (
"gioui.org/f32"
"gioui.org/internal/fling"
"gioui.org/io/event"
"gioui.org/io/input"
"gioui.org/io/key"
"gioui.org/io/pointer"
"gioui.org/op"
@@ -44,7 +44,7 @@ func (h *Hover) Add(ops *op.Ops) {
}
// Update state and report whether a pointer is inside the area.
func (h *Hover) Update(q event.Queue) bool {
func (h *Hover) Update(q input.Source) bool {
for _, ev := range q.Events(h) {
e, ok := ev.(pointer.Event)
if !ok {
@@ -178,7 +178,7 @@ func (c *Click) Pressed() bool {
}
// Update state and return the click events.
func (c *Click) Update(q event.Queue) []ClickEvent {
func (c *Click) Update(q input.Source) []ClickEvent {
var events []ClickEvent
for _, evt := range q.Events(c) {
e, ok := evt.(pointer.Event)
@@ -269,7 +269,7 @@ func (s *Scroll) Stop() {
}
// Update state and report the scroll distance along axis.
func (s *Scroll) Update(cfg unit.Metric, q event.Queue, t time.Time, axis Axis) int {
func (s *Scroll) Update(cfg unit.Metric, q input.Source, t time.Time, axis Axis) int {
if s.axis != axis {
s.axis = axis
return 0
@@ -372,7 +372,7 @@ func (d *Drag) Add(ops *op.Ops) {
}
// Update state and return the drag events.
func (d *Drag) Update(cfg unit.Metric, q event.Queue, axis Axis) []pointer.Event {
func (d *Drag) Update(cfg unit.Metric, q input.Source, axis Axis) []pointer.Event {
var events []pointer.Event
for _, e := range q.Events(d) {
e, ok := e.(pointer.Event)
gesture/gesture_test.go
+3 -3
View File
@@ -28,14 +28,14 @@ func TestHover(t *testing.T) {
r.Queue(
pointer.Event{Kind: pointer.Move, Position: f32.Pt(30, 30)},
)
if !h.Update(r) {
if !h.Update(r.Source()) {
t.Fatal("expected hovered")
}
r.Queue(
pointer.Event{Kind: pointer.Move, Position: f32.Pt(50, 50)},
)
if h.Update(r) {
if h.Update(r.Source()) {
t.Fatal("expected not hovered")
}
}
@@ -75,7 +75,7 @@ func TestMouseClicks(t *testing.T) {
r.Frame(&ops)
r.Queue(tc.events...)
events := click.Update(&r)
events := click.Update(r.Source())
clicks := filterMouseClicks(events)
if got, want := len(clicks), len(tc.clicks); got != want {
t.Fatalf("got %d mouse clicks, expected %d", got, want)