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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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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> * 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. * start and just leave off the end.
*/ */
if (offset + size < xx) { if (offset + size < xx) {
rarrow = 1; if (xx > 0) {
xx--; rarrow = 1;
xx--;
}
width = xx; width = xx;
goto draw; goto draw;
@ -111,11 +113,13 @@ status_redraw(struct client *c)
* are xx characters to fill, and offset + size must be the last. So, * are xx characters to fill, and offset + size must be the last. So,
* the start character is offset + size - xx. * the start character is offset + size - xx.
*/ */
larrow = 1; if (xx > 0) {
xx--; larrow = 1;
xx--;
}
start = offset + size - xx; start = offset + size - xx;
if (width > start + xx + 1) { /* + 1, eh? */ if (xx > 0 && width > start + xx + 1) { /* + 1, eh? */
rarrow = 1; rarrow = 1;
start++; start++;
xx--; xx--;
@ -123,6 +127,10 @@ status_redraw(struct client *c)
width = xx; width = xx;
draw: 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. */ /* Begin drawing and move to the starting position. */
screen_redraw_start_client(&ctx, c); screen_redraw_start_client(&ctx, c);
screen_redraw_set_attributes(&ctx, 0, colr); screen_redraw_set_attributes(&ctx, 0, colr);
@ -192,7 +200,10 @@ draw:
screen_redraw_set_attributes(&ctx, ATTR_REVERSE, colr); screen_redraw_set_attributes(&ctx, ATTR_REVERSE, colr);
else else
screen_redraw_set_attributes(&ctx, 0, colr); 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, '<'); ctx.write(ctx.data, TTY_CHARACTER, '<');
} }
if (rarrow != 0) { if (rarrow != 0) {
@ -200,7 +211,10 @@ draw:
screen_redraw_set_attributes(&ctx, ATTR_REVERSE, colr); screen_redraw_set_attributes(&ctx, ATTR_REVERSE, colr);
else else
screen_redraw_set_attributes(&ctx, 0, colr); 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, '>'); ctx.write(ctx.data, TTY_CHARACTER, '>');
} }