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Fixed vertical slider

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This commit is contained in:
Sasha Koshka 2023-08-25 00:09:34 -04:00
parent 98bf754282
commit 05b6490095
1 changed files with 15 additions and 8 deletions
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13
slider.go
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@ -74,18 +74,24 @@ func (this *Slider) OnValueChange (callback func ()) event.Cookie {
} }
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 {
increment = -0.05
} else {
increment = 0.05
}
switch key { switch key {
case input.KeyUp, input.KeyLeft: case input.KeyUp, input.KeyLeft:
if this.Modifiers().Alt { if this.Modifiers().Alt {
this.SetValue(0) this.SetValue(0)
} else { } else {
this.SetValue(this.Value() - 0.05) this.SetValue(this.Value() - increment)
} }
case input.KeyDown, input.KeyRight: case input.KeyDown, input.KeyRight:
if this.Modifiers().Alt { if this.Modifiers().Alt {
this.SetValue(1) this.SetValue(1)
} else { } else {
this.SetValue(this.Value() + 0.05) this.SetValue(this.Value() + increment)
} }
case input.KeyHome: case input.KeyHome:
this.SetValue(0) this.SetValue(0)
@ -152,6 +158,7 @@ func (this *Slider) drag () {
if this.layout.vertical { if this.layout.vertical {
this.SetValue ( this.SetValue (
1 -
float64(pointer.Y) / float64(pointer.Y) /
float64(gutter.Dy() - handle.Dy())) float64(gutter.Dy() - handle.Dy()))
} else { } else {
@ -188,7 +195,7 @@ func (this sliderLayout) Arrange (hints tomo.LayoutHints, boxes []tomo.Box) {
if this.vertical { if this.vertical {
height := gutter.Dy() - handle.Dy() height := gutter.Dy() - handle.Dy()
offset := int(float64(height) * this.value) offset := int(float64(height) * (1 - this.value))
handle.Max.X = gutter.Dx() handle.Max.X = gutter.Dx()
boxes[0].SetBounds ( boxes[0].SetBounds (
handle. handle.