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Don't redraw status line unless it has actually changed. Stops extraneous

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updates between clock/#() changes and doesn't require manual status-interval 0
when no updates are occuring.
This commit is contained in:
Nicholas Marriott
2009-02-10 00:18:06 +00:00
parent cc5a0ab0e4
commit b37399304f
5 changed files with 80 additions and 31 deletions
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26
grid.c
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@ -1,4 +1,4 @@
/* $Id: grid.c,v 1.7 2009-01-17 18:47:36 nicm Exp $ */
/* $Id: grid.c,v 1.8 2009-02-10 00:18:06 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@ -119,6 +119,30 @@ grid_destroy(struct grid_data *gd)
xfree(gd);
}
/* Compare grids. */
int
grid_compare(struct grid_data *ga, struct grid_data *gb)
{
struct grid_cell *gca, *gcb;
u_int xx, yy;
if (ga->sx != gb->sx || ga->sy != ga->sy)
return (1);
for (yy = 0; yy < ga->sy; yy++) {
if (ga->size[yy] != gb->size[yy])
return (1);
for (xx = 0; xx < ga->sx; xx++) {
gca = &ga->data[yy][xx];
gcb = &gb->data[yy][xx];
if (memcmp(gca, gcb, sizeof (struct grid_cell)) != 0)
return (1);
}
}
return (0);
}
/* Scroll a line into the history. */
void
grid_scroll_line(struct grid_data *gd)