Ejemplo n.º 1
0
Archivo: view.go Proyecto: kisielk/vigo
// Move cursor to the 'boffset' position in the 'line'. Obviously 'line' must be
// from the attached buffer. If 'boffset' < 0, use 'last_cursor_voffset'. Keep
// in mind that there is no need to maintain connections between lines (e.g. for
// moving from a deleted line to another line).
func (v *View) MoveCursorTo(c buffer.Cursor) {
	v.dirty |= dirtyStatus
	if c.Boffset < 0 {
		bo, co, vo := c.Line.FindClosestOffsets(v.lastCursorVoffset)
		v.cursor.Boffset = bo
		v.cursorCoffset = co
		v.cursorVoffset = vo
	} else {
		vo, co := c.VoffsetCoffset()
		v.cursor.Boffset = c.Boffset
		v.cursorCoffset = co
		v.cursorVoffset = vo
	}

	if c.Boffset >= 0 {
		v.lastCursorVoffset = v.cursorVoffset
	}

	if c.Line != v.cursor.Line {
		if v.lineVoffset != 0 {
			v.dirty = dirtyEverything
		}
		v.lineVoffset = 0
	}
	v.cursor.Line = c.Line
	v.cursor.LineNum = c.LineNum
	v.adjustLineVoffset()
	v.adjustTopLine()

	if v.selection.Type != SelectionNone {
		v.dirty |= dirtyContents
		v.selection.End = v.Cursor()
	}
}
Ejemplo n.º 2
0
func (v *view) cursorPositionFor(cursor buffer.Cursor) (int, int) {
	y := cursor.LineNum - v.topLineNum
	vo, _ := cursor.VoffsetCoffset()
	x := vo - v.lineVoffset
	return x, y
}