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ui/app/internal/input: add tracking up updates to handlerEvents

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In preparation for only redrawing when new events are available.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2019-07-12 14:34:24 +02:00
parent c7fda6d37d
commit ba18817400
3 changed files with 58 additions and 31 deletions
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ui/app/internal/input/pointer.go
+5 -5
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@@ -63,7 +63,7 @@ const (
areaEllipse
)
func (q *pointerQueue) collectHandlers(r *ui.OpsReader, events handlerEvents, t ui.Transform, area, node int, pass bool) {
func (q *pointerQueue) collectHandlers(r *ui.OpsReader, events *handlerEvents, t ui.Transform, area, node int, pass bool) {
for encOp, ok := r.Decode(); ok; encOp, ok = r.Decode() {
switch ops.OpType(encOp.Data[0]) {
case ops.TypePush:
@@ -103,7 +103,7 @@ func (q *pointerQueue) collectHandlers(r *ui.OpsReader, events handlerEvents, t
if !ok {
h = new(pointerHandler)
q.handlers[op.Key] = h
events[op.Key] = []input.Event{pointer.Event{Type: pointer.Cancel}}
events.Set(op.Key, []input.Event{pointer.Event{Type: pointer.Cancel}})
}
h.active = true
h.area = area
@@ -160,7 +160,7 @@ func (q *pointerQueue) init() {
}
}
func (q *pointerQueue) Frame(root *ui.Ops, events handlerEvents) {
func (q *pointerQueue) Frame(root *ui.Ops, events *handlerEvents) {
q.init()
for _, h := range q.handlers {
// Reset handler.
@@ -189,7 +189,7 @@ func (q *pointerQueue) dropHandler(k input.Key) {
}
}
func (q *pointerQueue) Push(e pointer.Event, events handlerEvents) {
func (q *pointerQueue) Push(e pointer.Event, events *handlerEvents) {
q.init()
if e.Type == pointer.Cancel {
q.pointers = q.pointers[:0]
@@ -257,7 +257,7 @@ func (q *pointerQueue) Push(e pointer.Event, events handlerEvents) {
}
e.Hit = q.hit(h.area, e.Position)
e.Position = h.transform.InvTransform(e.Position)
events[k] = append(events[k], e)
events.Add(k, e)
if e.Type == pointer.Release {
// Release grab when the number of grabs reaches zero.
grabs := 0