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Fix detection of start/end of line in View.editDelete()

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This commit is contained in:
Roi Martin 2015-02-23 11:07:08 +01:00
parent ca0f876ab6
commit e009f09eb8
1 changed files with 6 additions and 8 deletions
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14
edit.go
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@ -44,7 +44,7 @@ func (v *View) editWrite(ch rune) {
// editDelete deletes a rune at the cursor position. back determines
// the direction.
func (v *View) editDelete(back bool) {
y := v.oy + v.cy
x, y := v.ox+v.cx, v.oy+v.cy
if y < 0 {
return
} else if y >= len(v.viewLines) {
@ -54,7 +54,7 @@ func (v *View) editDelete(back bool) {
maxX, _ := v.Size()
if back {
if v.cx == 0 { // start of the line
if x == 0 { // start of the line
if y < 1 {
return
}
@ -79,12 +79,10 @@ func (v *View) editDelete(back bool) {
v.deleteRune(v.cx-1, v.cy)
v.moveCursor(-1, 0, true)
}
} else { // middle/end of the line
if v.cx == len(v.viewLines[y].line) {
v.mergeLines(v.cy)
} else {
v.deleteRune(v.cx, v.cy)
}
} else if x == len(v.viewLines[y].line) { // end of the line
v.mergeLines(v.cy)
} else { // middle of the line
v.deleteRune(v.cx, v.cy)
}
}