[wmfs.c,.h] Fix bug/segfault (when you switched into the tags, and close a clients, you could close an hidden client, and make a segfault if you return on the hidden client tag.)

CMakeLists.txt

@@ -33,6 +33,7 @@ set(CMAKE_C_FLAGS ${CFLAGS})
 set(LIBRARIES_TO_LINK
   X11
   confuse)
+
 target_link_libraries(wmfs ${LIBRARIES_TO_LINK})
 
 # Messages

event.c

@@ -78,7 +78,7 @@ buttonpress(XEvent ev)
      {
           for(i = 0; i < conf.ntag + 1; ++i)
           {
-               if(ev.xbutton.x > taglen[i-1]
+               if(ev.xbutton.x > taglen[i-1] - 3
                   && ev.xbutton.x < taglen[i])
                {
                     ITOA(s, i);
@@ -99,7 +99,7 @@ buttonpress(XEvent ev)
           /* layout switch */
           if(ev.xbutton.x >= taglen[conf.ntag] - 3
              && ev.xbutton.x < taglen[conf.ntag] +
-             (strlen((getlayoutsym(layout[seltag])))*fonty+3)-3)
+             (strlen((getlayoutsym(layout[seltag])))*fonty+3) - 3)
           {
                if(ev.xbutton.button == Button1
                   || ev.xbutton.button == Button4)

wmfs.c

@@ -43,7 +43,7 @@ arrange(void)
           else
                hide(c);
 
-     focus(selbytag[seltag]);
+     focus(NULL);
      layoutfunc[seltag]();
  }
 
@@ -116,7 +116,6 @@ focus(Client *c)
           grabbuttons(c, True);
 
      sel = c;
-     selbytag[seltag] = c;
 
      if(c)
      {
@@ -128,6 +127,8 @@ focus(Client *c)
           XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
           updatetitle(c);
      }
+     else
+          XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
      return;
 }
 
@@ -900,8 +901,6 @@ tag(char *cmd)
                return;
           seltag = tmp;
      }
-     if(selbytag[seltag])
-          focus(selbytag[seltag]);
 
      arrange();
      return;
@@ -1054,9 +1053,11 @@ unhide(Client *c)
 void
 unmanage(Client *c)
 {
+     if(ishide(c))
+          return;
+
      XSetErrorHandler(errorhandlerdummy);
      sel = (sel == c) ? c->next : NULL;
-     selbytag[seltag] = (selbytag[seltag] == c) ? c->next : NULL;
      if(conf.ttbarheight)
      {
           XUnmapWindow(dpy, c->tbar);
@@ -1139,7 +1140,6 @@ updatebar(void)
 
 }
 
-
 /* if c is 0, you can execute this function for the first time
  * else the button is just updated */
 void

wmfs.h

@@ -265,7 +265,7 @@ Window bar;
 int screen;
 int mw, mh;
 Conf conf;
-Key keys[512];
+Key keys[1024];
 
 /* Atoms / Cursors */
 Atom wm_atom[WMLast];
@@ -286,7 +286,6 @@ int taglen[MAXTAG];
 /* Important Client */
 Client *clients;
 Client *sel;
-Client *selbytag[MAXTAG];
 
 /* Layout/Tile Important variables */
 float mwfact[MAXTAG];