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re-work client_snapcalc() so it takes client and edge dimensions with

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snapdist; allows for simplier snap calculations.

required for an upcoming diff for honoring gap.
This commit is contained in:
okan
2013-01-02 21:37:21 +00:00
parent 6e5dda99a6
commit 2ac65bd288
3 changed files with 14 additions and 16 deletions
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14
client.c
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@ -850,19 +850,17 @@ client_inbound(struct client_ctx *cc, int x, int y)
}
int
client_snapcalc(int n, int dn, int nmax, int bwidth, int snapdist)
client_snapcalc(int n0, int n1, int e0, int e1, int snapdist)
{
int n0, n1, s0, s1;
int s0, s1;
s0 = s1 = 0;
n0 = n;
n1 = n + dn + (bwidth * 2);
if (abs(n0) <= snapdist)
s0 = -n0;
if (abs(e0 - n0) <= snapdist)
s0 = e0 - n0;
if (nmax - snapdist <= n1 && n1 <= nmax + snapdist)
s1 = nmax - n1;
if (abs(e1 - n1) <= snapdist)
s1 = e1 - n1;
/* possible to snap in both directions */
if (s0 != 0 && s1 != 0)