fix tableview scrolling: don't reset to int value (UpdateScroll) -- n…

…ow continuous; goosi window pos crash guard; reset FavPaths so they don't keep multiplying,

gi/settings.go

@@ -515,6 +515,12 @@ func (ss *SystemSettingsData) Apply() { //gti:add
  }
 }
 
+func (ss *SystemSettingsData) Open() error {
+ ss.FavPaths = nil // toml is just adding to this, need to reset prior
+ fnm := ss.Filename()
+ return tomls.Open(ss, fnm)
+}
+
 // TimeFormat returns the Go time format layout string that should
 // be used for displaying times to the user, based on the value of
 // [SystemSettingsData.Clock24].

giv/sliceview.go

@@ -1989,7 +1989,7 @@ func (sg *SliceViewGrid) ScrollChanged(d mat32.Dims, sb *gi.Slider) {
  return
  }
  updt := sg.UpdateStart()
- sv.StartIdx = int(sb.Value)
+ sv.StartIdx = int(mat32.Round(sb.Value))
  sv.This().(SliceViewer).UpdateWidgets()
  sg.UpdateEndRender(updt)
 }

giv/tableview.go

@@ -662,7 +662,6 @@ func (tv *TableView) UpdateWidgets() {
  if tv.IsReadOnly() && tv.SelIdx >= 0 {
  tv.SelectIdx(tv.SelIdx)
  }
- tv.UpdateScroll()
 }
 
 func (tv *TableView) StyleRow(w gi.Widget, idx, fidx int) {

goosi/driver/desktop/window.go

@@ -162,6 +162,9 @@ func (w *Window) GetScreenOverlap() *goosi.Screen {
 func (w *Window) Position() image.Point {
  w.Mu.Lock()
  defer w.Mu.Unlock()
+ if w.Glw == nil {
+ return w.Pos
+ }
  var ps image.Point
  ps.X, ps.Y = w.Glw.GetPos()
  w.Pos = ps