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Update List scroll bar cursor when view offset changes (rather than selected item)

tablepad
Trevor Slocum 1 year ago
parent
commit
d53f87d967
  1. 12
      list.go

12
list.go

@ -858,6 +858,8 @@ func (l *List) Draw(screen tcell.Screen) {
l.updateOffset()
}
scrollBarCursor := int(float64(len(l.items)) * (float64(l.offset) / float64(len(l.items)-height)))
// Draw the list items.
for index, item := range l.items {
if index < l.offset {
@ -873,7 +875,7 @@ func (l *List) Draw(screen tcell.Screen) {
Print(screen, strings.Repeat(string(tcell.RuneHLine), width+4+l.paddingLeft+l.paddingRight), (x-4)-l.paddingLeft, y, width+4+l.paddingLeft+l.paddingRight, AlignLeft, l.mainTextColor)
Print(screen, string(tcell.RuneRTee), (x-5)+width+5+l.paddingRight, y, 1, AlignLeft, l.mainTextColor)
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), l.currentItem, index-l.offset, l.hasFocus, l.scrollBarColor)
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), scrollBarCursor, index-l.offset, l.hasFocus, l.scrollBarColor)
y++
continue
} else if !item.enabled { // Disabled item
@ -885,7 +887,7 @@ func (l *List) Draw(screen tcell.Screen) {
// Main text.
Print(screen, item.mainText, x, y, width, AlignLeft, tcell.ColorGray.TrueColor())
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), l.currentItem, index-l.offset, l.hasFocus, l.scrollBarColor)
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), scrollBarCursor, index-l.offset, l.hasFocus, l.scrollBarColor)
y++
continue
}
@ -918,7 +920,7 @@ func (l *List) Draw(screen tcell.Screen) {
}
}
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), l.currentItem, index-l.offset, l.hasFocus, l.scrollBarColor)
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), scrollBarCursor, index-l.offset, l.hasFocus, l.scrollBarColor)
y++
@ -930,7 +932,7 @@ func (l *List) Draw(screen tcell.Screen) {
if l.showSecondaryText {
Print(screen, item.secondaryText, x, y, width, AlignLeft, l.secondaryTextColor)
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), l.currentItem, index-l.offset, l.hasFocus, l.scrollBarColor)
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), scrollBarCursor, index-l.offset, l.hasFocus, l.scrollBarColor)
y++
}
@ -938,7 +940,7 @@ func (l *List) Draw(screen tcell.Screen) {
// Overdraw scroll bar when necessary.
for y < bottomLimit {
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), l.currentItem, bottomLimit-y, l.hasFocus, l.scrollBarColor)
RenderScrollBar(screen, l.scrollBarVisibility, scrollBarX, y, scrollBarHeight, len(l.items), scrollBarCursor, bottomLimit-y, l.hasFocus, l.scrollBarColor)
y++
}

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