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Fix scroll behavior for ContainerBox

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This commit is contained in:
Sasha Koshka 2024-05-13 19:35:03 -04:00
parent 664ce5f556
commit 96fa7b5623
1 changed files with 7 additions and 7 deletions
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14
containerbox.go
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@ -274,7 +274,7 @@ func (this *containerBox) doLayout () {
// offset the content bounds by the scroll so children can be positioned
// accordingly.
this.constrainScroll()
this.contentBounds = this.contentBounds.Sub(this.scroll).Sub(innerBounds.Min)
this.contentBounds = this.contentBounds.Add(this.scroll).Sub(innerBounds.Min)
// arrange children
if this.layout != nil {
@ -294,19 +294,19 @@ func (this *containerBox) constrainScroll () {
// X
if width <= innerBounds.Dx() {
this.scroll.X = 0
} else if this.scroll.X < 0 {
} else if this.scroll.X > 0 {
this.scroll.X = 0
} else if this.scroll.X > width - innerBounds.Dx() {
this.scroll.X = width - innerBounds.Dx()
} else if this.scroll.X < innerBounds.Dx() - width {
this.scroll.X = innerBounds.Dx() - width
}
// Y
if height <= innerBounds.Dy() {
this.scroll.Y = 0
} else if this.scroll.Y < 0 {
} else if this.scroll.Y > 0 {
this.scroll.Y = 0
} else if this.scroll.Y > height - innerBounds.Dy() {
this.scroll.Y = height - innerBounds.Dy()
} else if this.scroll.Y < innerBounds.Dy() - height {
this.scroll.Y = innerBounds.Dy() - height
}
}