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@@ -7,6 +7,7 @@ package gui
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import (
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"fmt"
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"github.com/g3n/engine/math32"
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+ "math"
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)
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//
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@@ -408,7 +409,7 @@ func (t *Table) setVScrollBar(state bool) {
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if t.vscroll == nil {
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t.vscroll = NewVScrollBar(0, 0)
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t.vscroll.SetBorders(0, 0, 0, 1)
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- //t.vscroll.Subscribe(OnChange, s.onScrollBarEvent)
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+ t.vscroll.Subscribe(OnChange, t.onVScrollBarEvent)
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t.Panel.Add(t.vscroll)
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}
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// Initial y coordinate and height
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@@ -431,6 +432,21 @@ func (t *Table) setVScrollBar(state bool) {
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}
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}
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+func (t *Table) onVScrollBarEvent(evname string, ev interface{}) {
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+
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+ pos := t.vscroll.Value()
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+ maxFirst := len(t.rows) - (t.lastRow - t.firstRow + 1)
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+ first := int(math.Floor((float64(maxFirst) * pos) + 0.5))
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+ if first == t.firstRow {
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+ return
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+ }
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+ log.Error("maxFirst:%v firstRow:%v", maxFirst, first)
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+ //s.scrollBarEvent = true
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+ t.firstRow = first
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+ t.recalc()
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+
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+}
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+
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// updateRowStyle applies the correct style for the specified row
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func (t *Table) updateRowStyle(ri int) {
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leonsal