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Fix a couple of bugs. Handle 0 width properly (w/o overflow), and draw left < in the right place.

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This commit is contained in:
Nicholas Marriott 2008-06-18 17:28:17 +00:00
parent 2d3ea8b5b4
commit f9dedfccca
1 changed files with 22 additions and 8 deletions
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30
status.c
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@ -1,4 +1,4 @@
/* $Id: status.c,v 1.28 2008-06-18 17:14:02 nicm Exp $ */
/* $Id: status.c,v 1.29 2008-06-18 17:28:17 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -99,8 +99,10 @@ status_redraw(struct client *c)
* start and just leave off the end.
*/
if (offset + size < xx) {
rarrow = 1;
xx--;
if (xx > 0) {
rarrow = 1;
xx--;
}
width = xx;
goto draw;
@ -111,11 +113,13 @@ status_redraw(struct client *c)
* are xx characters to fill, and offset + size must be the last. So,
* the start character is offset + size - xx.
*/
larrow = 1;
xx--;
if (xx > 0) {
larrow = 1;
xx--;
}
start = offset + size - xx;
if (width > start + xx + 1) { /* + 1, eh? */
if (xx > 0 && width > start + xx + 1) { /* + 1, eh? */
rarrow = 1;
start++;
xx--;
@ -123,6 +127,10 @@ status_redraw(struct client *c)
width = xx;
draw:
/* Bail here if anything is too small too. XXX. */
if (width == 0 || xx == 0)
goto blank;
/* Begin drawing and move to the starting position. */
screen_redraw_start_client(&ctx, c);
screen_redraw_set_attributes(&ctx, 0, colr);
@ -192,7 +200,10 @@ draw:
screen_redraw_set_attributes(&ctx, ATTR_REVERSE, colr);
else
screen_redraw_set_attributes(&ctx, 0, colr);
screen_redraw_move_cursor(&ctx, 0, yy);
if (llen != 0)
screen_redraw_move_cursor(&ctx, llen + 1, yy);
else
screen_redraw_move_cursor(&ctx, 0, yy);
ctx.write(ctx.data, TTY_CHARACTER, '<');
}
if (rarrow != 0) {
@ -200,7 +211,10 @@ draw:
screen_redraw_set_attributes(&ctx, ATTR_REVERSE, colr);
else
screen_redraw_set_attributes(&ctx, 0, colr);
screen_redraw_move_cursor(&ctx, c->sx - rlen - 2, yy);
if (rlen != 0)
screen_redraw_move_cursor(&ctx, c->sx - rlen - 2, yy);
else
screen_redraw_move_cursor(&ctx, c->sx - 1, yy);
ctx.write(ctx.data, TTY_CHARACTER, '>');
}