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introduce a new config option to snap to the screen edge. 'snapdist'

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keyword taken from a diff from Sviatoslav Chagaev to do the same thing,
but implemented in a completely way (based on some very old code from
mk@).  default set to 0, so no behavior change.

ok oga@ (who would also like to take it further...)
This commit is contained in:
okan
2011-06-24 06:06:24 +00:00
parent b230e611be
commit 34ba6cdbcc
7 changed files with 56 additions and 2 deletions
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29
client.c
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@ -842,3 +842,32 @@ client_inbound(struct client_ctx *cc, int x, int y)
return (x < cc->geom.width && x >= 0 &&
y < cc->geom.height && y >= 0);
}
int
client_snapcalc(int n, int dn, int nmax, int bwidth, int snapdist)
{
int n0, n1, s0, s1;
s0 = s1 = 0;
n0 = n;
n1 = n + dn + (bwidth * 2);
if (abs(n0) <= snapdist)
s0 = -n0;
if (nmax - snapdist <= n1 && n1 <= nmax + snapdist)
s1 = nmax - n1;
/* possible to snap in both directions */
if (s0 != 0 && s1 != 0)
if (abs(s0) < abs(s1))
return s0;
else
return s1;
else if (s0 != 0)
return s0;
else if (s1 != 0)
return s1;
else
return 0;
}