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Duplicate line: preserve cursor position #4080

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Duplicate line: preserve cursor position #4080

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20 changes: 8 additions & 12 deletions internal/action/actions.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1442,12 +1442,11 @@ func (h *BufPane) Duplicate() bool {
// DuplicateLine duplicates the current line. If there is a selection, DuplicateLine
// duplicates all the lines that are (fully or partially) in the selection.
func (h *BufPane) DuplicateLine() bool {
origLoc := h.Cursor.Loc
origLastVisualX := h.Cursor.LastVisualX
origLastWrappedVisualX := h.Cursor.LastWrappedVisualX
origSelection := h.Cursor.CurSelection
if h.Cursor.HasSelection() {
origLoc := h.Cursor.Loc
origLastVisualX := h.Cursor.LastVisualX
origLastWrappedVisualX := h.Cursor.LastWrappedVisualX
origSelection := h.Cursor.CurSelection

start := h.Cursor.CurSelection[0]
end := h.Cursor.CurSelection[1]
if start.GreaterThan(end) {
Expand All @@ -1456,19 +1455,12 @@ func (h *BufPane) DuplicateLine() bool {
if end.X == 0 {
end = end.Move(-1, h.Buf)
}

h.Cursor.Deselect(true)
h.Cursor.Loc = end
h.Cursor.End()
for y := start.Y; y <= end.Y; y++ {
h.Buf.Insert(h.Cursor.Loc, "\n"+string(h.Buf.LineBytes(y)))
}

h.Cursor.Loc = origLoc
h.Cursor.LastVisualX = origLastVisualX
h.Cursor.LastWrappedVisualX = origLastWrappedVisualX
h.Cursor.CurSelection = origSelection

if start.Y < end.Y {
InfoBar.Message(fmt.Sprintf("Duplicated %d lines", end.Y-start.Y+1))
} else {
Expand All @@ -1479,6 +1471,10 @@ func (h *BufPane) DuplicateLine() bool {
h.Buf.Insert(h.Cursor.Loc, "\n"+string(h.Buf.LineBytes(h.Cursor.Y)))
InfoBar.Message("Duplicated line")
}
h.Cursor.Loc = origLoc
h.Cursor.LastVisualX = origLastVisualX
h.Cursor.LastWrappedVisualX = origLastWrappedVisualX
h.Cursor.CurSelection = origSelection
h.Relocate()
return true
}
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