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Add tap-to-scroll to the scroll bars #5349

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Add tap-to-scroll to the scroll bars #5349

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9de088d
add logic for scrollling when tapping the scroll area background
dweymouth Jan 1, 2025
d714713
correct max scroll offset for the bottom/right of the content
dweymouth Jan 1, 2025
6f34467
Add background behind scroll bar when large
dweymouth Jan 2, 2025
f11f183
add new theme ColorNameScrollBarBackground
dweymouth Jan 2, 2025
07ed0cd
fix missing color in test theme
dweymouth Jan 2, 2025
85ed1e9
fix another place of missing color
dweymouth Jan 2, 2025
e67f8d8
update xml render fixtures
dweymouth Jan 2, 2025
fc9ce4d
add unit test for tap-to-scroll
dweymouth Jan 7, 2025
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correct max scroll offset for the bottom/right of the content
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@dweymouth
dweymouth committed Jan 1, 2025
commit d714713f33c30b7284c8584aa047aa6bb13ab0f0
6 changes: 4 additions & 2 deletions internal/widget/scroller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -242,13 +242,15 @@ func (a *scrollBarArea) Tapped(e *fyne.PointEvent) {
if e.Position.X < a.barLeadingEdge {
newOffset.X = fyne.Max(0, newOffset.X-a.scroll.Size().Width*pageScrollFraction)
} else if e.Position.X > a.barTrailingEdge {
newOffset.X = fyne.Min(a.scroll.Content.Size().Width, newOffset.X+a.scroll.Size().Width*pageScrollFraction)
viewWid := a.scroll.Size().Width
newOffset.X = fyne.Min(a.scroll.Content.Size().Width-viewWid, newOffset.X+viewWid*pageScrollFraction)
}
default:
if e.Position.Y < a.barLeadingEdge {
newOffset.Y = fyne.Max(0, newOffset.Y-a.scroll.Size().Height*pageScrollFraction)
} else if e.Position.Y > a.barTrailingEdge {
newOffset.Y = fyne.Min(a.scroll.Content.Size().Height, newOffset.Y+a.scroll.Size().Height*pageScrollFraction)
viewHt := a.scroll.Size().Height
newOffset.Y = fyne.Min(a.scroll.Content.Size().Height-viewHt, newOffset.Y+viewHt*pageScrollFraction)
}
}
if newOffset == a.scroll.Offset {
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