tvi: page forward and backword on the last and first pages - neatvi - [fork] simple vi-type editor with UTF-8 support
(HTM) git clone git://src.adamsgaard.dk/neatvi
(DIR) Log
(DIR) Files
(DIR) Refs
(DIR) README
---
(DIR) commit 4b1b940dae17628b3ae84a84ae69d76df471662b
(DIR) parent 9eea97a38d9862f405e00ab6a5b830a19a0df101
(HTM) Author: Ali Gholami Rudi <ali@rudi.ir>
Date: Mon, 11 May 2015 18:45:44 +0430
vi: page forward and backword on the last and first pages
Diffstat:
M vi.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
---
(DIR) diff --git a/vi.c b/vi.c
t@@ -641,17 +641,18 @@ static void vi(void)
redraw = 1;
break;
case TERMCTRL('b'):
+ if (xtop == 0)
+ break;
xtop = MAX(0, xtop - xrows + 1);
- xrow = xtop + xrows - 1;
+ xrow = MIN(xrow, xtop + xrows - 1);
lbuf_postindents(xb, &xrow, &xcol);
redraw = 1;
break;
case TERMCTRL('f'):
- if (lbuf_len(xb))
- xtop = MIN(lbuf_len(xb) - 1, xtop + xrows - 1);
- else
- xtop = 0;
- xrow = xtop;
+ if (xtop >= lbuf_len(xb) - 1)
+ break;
+ xtop = MIN(lbuf_len(xb) - 1, xtop + xrows - 1);
+ xrow = MAX(xrow, xtop);
lbuf_postindents(xb, &xrow, &xcol);
redraw = 1;
break;