wmii

git clone git://oldgit.suckless.org/wmii/
Log | Files | Refs | README | LICENSE

ewmh.c (1929B)

      1 /* Copyright ©2007-2010 Kris Maglione <maglione.k at Gmail>
      2  * See LICENSE file for license details.
      3  */
      4 #include "dat.h"
      5 #include <limits.h>
      6 #include <string.h>
      7 #include "fns.h"
      8 
      9 enum {
     10 	Left, Right, Top, Bottom,
     11 	LeftMin, LeftMax,
     12 	RightMin, RightMax,
     13 	TopMin, TopMax,
     14 	BottomMin, BottomMax,
     15 	Last
     16 };
     17 
     18 void
     19 ewmh_getstrut(Window *w, Rectangle struts[4]) {
     20 	long *strut;
     21 	ulong n;
     22 
     23 	memset(struts, 0, sizeof struts);
     24 
     25 	n = getprop_long(w, Net("WM_STRUT_PARTIAL"), "CARDINAL",
     26 		0L, &strut, Last);
     27 	if(n != Last) {
     28 		free(strut);
     29 		n = getprop_long(w, Net("WM_STRUT"), "CARDINAL",
     30 			0L, &strut, 4L);
     31 		if(n != 4) {
     32 			free(strut);
     33 			return;
     34 		}
     35 		strut = erealloc(strut, Last * sizeof *strut);
     36 		strut[LeftMin] = strut[RightMin] = 0;
     37 		strut[LeftMax] = strut[RightMax] = INT_MAX;
     38 		strut[TopMin] = strut[BottomMin] = 0;
     39 		strut[TopMax] = strut[BottomMax] = INT_MAX;
     40 	}
     41 	struts[Left] =   Rect(0,                strut[LeftMin],  strut[Left],      strut[LeftMax]);
     42 	struts[Right] =  Rect(-strut[Right],    strut[RightMin], 0,                strut[RightMax]);
     43 	struts[Top] =    Rect(strut[TopMin],    0,               strut[TopMax],    strut[Top]);
     44 	struts[Bottom] = Rect(strut[BottomMin], -strut[Bottom],  strut[BottomMax], 0);
     45 	free(strut);
     46 }
     47 
     48 void
     49 ewmh_setstrut(Window *w, Rectangle struts[4]) {
     50 	long strut[Last];
     51 	int i;
     52 
     53 	strut[LeftMin] = struts[Left].min.y;
     54 	strut[Left] = struts[Left].max.x;
     55 	strut[LeftMax] = struts[Left].max.y;
     56 
     57 	strut[RightMin] = struts[Right].min.y;
     58 	strut[Right] = -struts[Right].min.x;
     59 	strut[RightMax] = struts[Right].max.y;
     60 
     61 	strut[TopMin] = struts[Top].min.x;
     62 	strut[Top] = struts[Top].max.y;
     63 	strut[TopMax] = struts[Top].max.x;
     64 
     65 	strut[BottomMin] = struts[Bottom].min.x;
     66 	strut[Bottom] = -struts[Bottom].min.y;
     67 	strut[BottomMax] = struts[Bottom].max.x;
     68 
     69 	for(i=0; i<Last; i++)
     70 		if(strut[i] < 0)
     71 			strut[i] = 0;
     72 
     73 	changeprop_long(w, Net("WM_STRUT_PARTIAL"), "CARDINAL", strut, nelem(strut));
     74 }
     75