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Add OnEnter for Slider

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This commit is contained in:
Sasha Koshka 2024-06-25 02:33:13 -04:00
parent a38cee8437
commit b7d1a0abdd
1 changed files with 13 additions and 0 deletions
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13
slider.go
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@ -17,6 +17,7 @@ type Slider struct {
on struct { on struct {
slide event.FuncBroadcaster slide event.FuncBroadcaster
enter event.FuncBroadcaster
} }
} }
@ -89,6 +90,12 @@ func (this *Slider) OnSlide (callback func ()) event.Cookie {
return this.on.slide.Connect(callback) return this.on.slide.Connect(callback)
} }
// OnEnter specifies a function to be called when the user stops moving the
// slider.
func (this *Slider) OnEnter (callback func ()) event.Cookie {
return this.on.enter.Connect(callback)
}
func (this *Slider) handleKeyDown (key input.Key, numpad bool) { func (this *Slider) handleKeyDown (key input.Key, numpad bool) {
var increment float64; if this.layout.vertical { var increment float64; if this.layout.vertical {
increment = -0.05 increment = -0.05
@ -148,17 +155,21 @@ func (this *Slider) handleMouseDown (button input.Button) {
if above { if above {
this.SetValue(0) this.SetValue(0)
this.on.slide.Broadcast() this.on.slide.Broadcast()
this.on.enter.Broadcast()
} else { } else {
this.SetValue(1) this.SetValue(1)
this.on.slide.Broadcast() this.on.slide.Broadcast()
this.on.enter.Broadcast()
} }
case input.ButtonRight: case input.ButtonRight:
if above { if above {
this.SetValue(this.Value() - this.step) this.SetValue(this.Value() - this.step)
this.on.slide.Broadcast() this.on.slide.Broadcast()
this.on.enter.Broadcast()
} else { } else {
this.SetValue(this.Value() + this.step) this.SetValue(this.Value() + this.step)
this.on.slide.Broadcast() this.on.slide.Broadcast()
this.on.enter.Broadcast()
} }
} }
} }
@ -166,6 +177,7 @@ func (this *Slider) handleMouseDown (button input.Button) {
func (this *Slider) handleMouseUp (button input.Button) { func (this *Slider) handleMouseUp (button input.Button) {
if button != input.ButtonLeft || !this.dragging { return } if button != input.ButtonLeft || !this.dragging { return }
this.dragging = false this.dragging = false
this.on.enter.Broadcast()
} }
func (this *Slider) handleMouseMove () { func (this *Slider) handleMouseMove () {
@ -177,6 +189,7 @@ func (this *Slider) handleScroll (x, y float64) {
delta := (x + y) * 0.005 delta := (x + y) * 0.005
this.SetValue(this.Value() + delta) this.SetValue(this.Value() + delta)
this.on.slide.Broadcast() this.on.slide.Broadcast()
this.on.enter.Broadcast()
} }
func (this *Slider) drag () { func (this *Slider) drag () {