3 * Copyright (c) 2007 - 2011, Blue Static <http://www.bluestatic.org>
5 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
6 * General Public License as published by the Free Software Foundation; either version 2 of the
7 * License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
10 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along with this program; if not,
14 * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
17 #import <Cocoa/Cocoa.h>
22 // The NSRulerView that draws line numbers on the BSSourceView. The design of
23 // this class draws heavily on the work of Noodlesoft:
24 // http://www.noodlesoft.com/blog/2008/10/05/displaying-line-numbers-with-nstextview/
25 // However, all code is original.
26 @interface BSLineNumberRulerView
: NSRulerView
29 BSSourceView
* sourceView_
; // Weak, owns this.
31 // A vector (thus 0-based) map of line numbers (indices) to character indices
32 // in the text storage.
33 std::vector
<NSUInteger
> lineIndex_
;
36 // Designated initializer.
37 - (id
)initWithSourceView
:(BSSourceView
*)sourceView
;
39 // Performs layout and redraws the line number view.
40 - (void)performLayout
;
42 // Returns the line number (1-based) at the given point. |point| should be in
43 // the receiver's coordinate system.
44 - (NSUInteger
)lineNumberAtPoint
:(NSPoint
)point
;