wmii/cmd/strut/ewmh.c

76 lines
1.9 KiB
C

/* Copyright ©2007-2010 Kris Maglione <maglione.k at Gmail>
* See LICENSE file for license details.
*/
#include "dat.h"
#include <limits.h>
#include <string.h>
#include "fns.h"
enum {
Left, Right, Top, Bottom,
LeftMin, LeftMax,
RightMin, RightMax,
TopMin, TopMax,
BottomMin, BottomMax,
Last
};
void
ewmh_getstrut(Window *w, Rectangle struts[4]) {
long *strut;
ulong n;
memset(struts, 0, sizeof(Rectangle[4]));
n = getprop_long(w, Net("WM_STRUT_PARTIAL"), "CARDINAL",
0L, &strut, Last);
if(n != Last) {
free(strut);
n = getprop_long(w, Net("WM_STRUT"), "CARDINAL",
0L, &strut, 4L);
if(n != 4) {
free(strut);
return;
}
strut = erealloc(strut, Last * sizeof *strut);
strut[LeftMin] = strut[RightMin] = 0;
strut[LeftMax] = strut[RightMax] = INT_MAX;
strut[TopMin] = strut[BottomMin] = 0;
strut[TopMax] = strut[BottomMax] = INT_MAX;
}
struts[Left] = Rect(0, strut[LeftMin], strut[Left], strut[LeftMax]);
struts[Right] = Rect(-strut[Right], strut[RightMin], 0, strut[RightMax]);
struts[Top] = Rect(strut[TopMin], 0, strut[TopMax], strut[Top]);
struts[Bottom] = Rect(strut[BottomMin], -strut[Bottom], strut[BottomMax], 0);
free(strut);
}
void
ewmh_setstrut(Window *w, Rectangle struts[4]) {
long strut[Last];
int i;
strut[LeftMin] = struts[Left].min.y;
strut[Left] = struts[Left].max.x;
strut[LeftMax] = struts[Left].max.y;
strut[RightMin] = struts[Right].min.y;
strut[Right] = -struts[Right].min.x;
strut[RightMax] = struts[Right].max.y;
strut[TopMin] = struts[Top].min.x;
strut[Top] = struts[Top].max.y;
strut[TopMax] = struts[Top].max.x;
strut[BottomMin] = struts[Bottom].min.x;
strut[Bottom] = -struts[Bottom].min.y;
strut[BottomMax] = struts[Bottom].max.x;
for(i=0; i<Last; i++)
if(strut[i] < 0)
strut[i] = 0;
changeprop_long(w, Net("WM_STRUT_PARTIAL"), "CARDINAL", strut, nelem(strut));
}