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Cursor move at the first char when Up on the first line (and at the last char when Down on last the line) (#773)

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* Cursor move at the beginning of the line when Up on the first line (and at the last character when Down on last the line)

* Fix an issue when Up to a shorter line than current line
This commit is contained in:
Yannick A
2017-08-09 17:58:37 +02:00
committed by Zachary Yedidia
parent 7fe8d73473
commit 921f88b95d
1 changed files with 8 additions and 8 deletions
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16
cmd/micro/cursor.go
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@@ -249,20 +249,20 @@ func (c *Cursor) RuneUnder(x int) rune {
func (c *Cursor) UpN(amount int) {
proposedY := c.Y - amount
if proposedY < 0 {
proposedY = 0
c.X = 0 // first line: X moved before the first character
return
} else if proposedY >= c.buf.NumLines {
proposedY = c.buf.NumLines - 1
}
if proposedY == c.Y {
return
runes := []rune(c.buf.Line(c.Y))
c.X = c.GetCharPosInLine(proposedY, c.LastVisualX)
if c.X > len(runes) || proposedY == c.Y {
c.X = len(runes)
}
c.Y = proposedY
runes := []rune(c.buf.Line(c.Y))
c.X = c.GetCharPosInLine(c.Y, c.LastVisualX)
if c.X > len(runes) {
c.X = len(runes)
}
}
// DownN moves the cursor down N lines (if possible)