diff --git a/awesome.c b/awesome.c
index 5f62d768..d28b4b36 100644
--- a/awesome.c
+++ b/awesome.c
@@ -184,6 +184,7 @@ xerrorstart(Display * dsply __attribute__ ((unused)), XErrorEvent * ee __attribu
 
 void
 uicb_quit(Display *disp __attribute__ ((unused)),
+          DC *drawcontext __attribute__ ((unused)),
           awesome_config *awesomeconf __attribute__((unused)),
           const char *arg __attribute__ ((unused)))
 {
diff --git a/awesome.h b/awesome.h
index a6162686..cbde5225 100644
--- a/awesome.h
+++ b/awesome.h
@@ -29,7 +29,7 @@ enum
 
 Bool gettextprop(Display *, Window, Atom, char *, unsigned int);   /* return text property, UTF-8 compliant */
 void updatebarpos(Display *, Statusbar);        /* updates the bar position */
-void uicb_quit(Display *, awesome_config *, const char *);        /* quit awesome nicely */
+void uicb_quit(Display *, DC *, awesome_config *, const char *);        /* quit awesome nicely */
 int xerror(Display *, XErrorEvent *);   /* awesome's X error handler */
 int get_windows_area_x(Statusbar);
 int get_windows_area_y(Statusbar);
diff --git a/client.c b/client.c
index e878048e..00c70ac9 100644
--- a/client.c
+++ b/client.c
@@ -297,6 +297,7 @@ focus(Display *disp, DC *drawcontext, Client * c, Bool selscreen, awesome_config
  */
 void
 uicb_killclient(Display *disp __attribute__ ((unused)),
+                DC *drawcontext __attribute__ ((unused)),
                 awesome_config *awesomeconf __attribute__ ((unused)),
                 const char *arg __attribute__ ((unused)))
 {
@@ -481,6 +482,7 @@ resize(Client * c, int x, int y, int w, int h, Bool sizehints)
 
 void
 uicb_moveresize(Display *disp __attribute__ ((unused)),
+                DC *drawcontext __attribute__ ((unused)),
                 awesome_config *awesomeconf,
                 const char *arg)
 {
@@ -637,6 +639,7 @@ updatesizehints(Client * c)
 
 void
 uicb_settrans(Display *disp __attribute__ ((unused)),
+              DC *drawcontext __attribute__ ((unused)),
               awesome_config *awesomeconf __attribute__ ((unused)),
               const char *arg)
 {
diff --git a/client.h b/client.h
index 64f9fbb5..1aea89c6 100644
--- a/client.h
+++ b/client.h
@@ -60,8 +60,8 @@ void unmanage(Client *, DC *, long, awesome_config *);  /* unmanage c */
 void updatesizehints(Client *); /* update the size hint variables of c */
 void updatetitle(Client *);     /* update the name of c */
 void saveprops(Client * c, int);     /* saves client properties */
-void uicb_killclient(Display *, awesome_config *, const char *); /* kill client */
-void uicb_moveresize(Display *, awesome_config *, const char *);  /* move and resize window */
-void uicb_settrans(Display *, awesome_config *, const char *);
+void uicb_killclient(Display *, DC *, awesome_config *, const char *); /* kill client */
+void uicb_moveresize(Display *, DC *, awesome_config *, const char *);  /* move and resize window */
+void uicb_settrans(Display *, DC *, awesome_config *, const char *);
 
 #endif
diff --git a/config.h b/config.h
index d1e33edf..bf783e8a 100644
--- a/config.h
+++ b/config.h
@@ -69,7 +69,7 @@ typedef struct
 {
     unsigned long mod;
     KeySym keysym;
-    void (*func) (Display *, awesome_config *, const char *);
+    void (*func) (Display *, DC *, awesome_config *, const char *);
     const char *arg;
 } Key;
 
diff --git a/event.c b/event.c
index 02a1a8cd..b9ae2f41 100644
--- a/event.c
+++ b/event.c
@@ -155,22 +155,22 @@ handle_event_buttonpress(XEvent * e, awesome_config *awesomeconf)
                 if(ev->button == Button1)
                 {
                     if(ev->state & awesomeconf->modkey)
-                        uicb_tag(e->xany.display, awesomeconf, awesomeconf->tags[i]);
+                        uicb_tag(e->xany.display, &dc, awesomeconf, awesomeconf->tags[i]);
                     else
-                        uicb_view(e->xany.display, awesomeconf, awesomeconf->tags[i]);
+                        uicb_view(e->xany.display, &dc, awesomeconf, awesomeconf->tags[i]);
                 }
                 else if(ev->button == Button3)
                 {
                     if(ev->state & awesomeconf->modkey)
-                        uicb_toggletag(e->xany.display, awesomeconf, awesomeconf->tags[i]);
+                        uicb_toggletag(e->xany.display, &dc, awesomeconf, awesomeconf->tags[i]);
                     else
-                        uicb_toggleview(e->xany.display, awesomeconf, awesomeconf->tags[i]);
+                        uicb_toggleview(e->xany.display, &dc, awesomeconf, awesomeconf->tags[i]);
                 }
                 return;
             }
         }
         if((ev->x < x + awesomeconf->statusbar.width) && ev->button == Button1)
-            uicb_setlayout(e->xany.display, awesomeconf, NULL);
+            uicb_setlayout(e->xany.display, &dc, awesomeconf, NULL);
     }
     else if((c = getclient(ev->window)))
     {
@@ -179,23 +179,23 @@ handle_event_buttonpress(XEvent * e, awesome_config *awesomeconf)
             return;
         if(ev->button == Button1 && (IS_ARRANGE(floating) || c->isfloating))
         {
-            restack(e->xany.display, awesomeconf);
+            restack(e->xany.display, &dc, awesomeconf);
             movemouse(c, awesomeconf);
         }
         else if(ev->button == Button2)
-            uicb_zoom(e->xany.display, awesomeconf, NULL);
+            uicb_zoom(e->xany.display, &dc, awesomeconf, NULL);
         else if(ev->button == Button3 && (IS_ARRANGE(floating) || c->isfloating) && !c->isfixed)
         {
-            restack(e->xany.display, awesomeconf);
+            restack(e->xany.display, &dc, awesomeconf);
             resizemouse(c, awesomeconf);
         }
     }
     else if(DefaultRootWindow(e->xany.display) == ev->window && !sel)
     {
         if(ev->button == Button4)
-            uicb_tag_viewnext(e->xany.display, awesomeconf, NULL);
+            uicb_tag_viewnext(e->xany.display, &dc, awesomeconf, NULL);
         else if(ev->button == Button5)
-            uicb_tag_viewprev(e->xany.display, awesomeconf, NULL);
+            uicb_tag_viewprev(e->xany.display, &dc, awesomeconf, NULL);
     }
 }
 
@@ -313,7 +313,7 @@ handle_event_keypress(XEvent * e, awesome_config *awesomeconf)
     for(i = 0; i < awesomeconf->nkeys; i++)
         if(keysym == awesomeconf->keys[i].keysym
            && CLEANMASK(awesomeconf->keys[i].mod) == CLEANMASK(ev->state) && awesomeconf->keys[i].func)
-            awesomeconf->keys[i].func(e->xany.display, awesomeconf, awesomeconf->keys[i].arg);
+            awesomeconf->keys[i].func(e->xany.display, &dc, awesomeconf, awesomeconf->keys[i].arg);
 }
 
 void
diff --git a/layout.c b/layout.c
index 7ebe2c23..e6ce2528 100644
--- a/layout.c
+++ b/layout.c
@@ -29,10 +29,9 @@
 
 /* extern */
 extern Client *clients, *sel;   /* global client list */
-extern DC dc;
 
 void
-arrange(Display * disp, DC *drawcontext,  awesome_config *awesomeconf)
+arrange(Display * disp, DC *drawcontext, awesome_config *awesomeconf)
 {
     Client *c;
 
@@ -43,11 +42,12 @@ arrange(Display * disp, DC *drawcontext,  awesome_config *awesomeconf)
             ban(c);
     awesomeconf->current_layout->arrange(disp, awesomeconf);
     focus(disp, drawcontext, NULL, True, awesomeconf);
-    restack(disp, awesomeconf);
+    restack(disp, drawcontext, awesomeconf);
 }
 
 void
 uicb_focusnext(Display *disp __attribute__ ((unused)),
+               DC *drawcontext,
                awesome_config * awesomeconf,
                const char *arg __attribute__ ((unused)))
 {
@@ -60,13 +60,14 @@ uicb_focusnext(Display *disp __attribute__ ((unused)),
         for(c = clients; c && !isvisible(c, awesomeconf->selected_tags, awesomeconf->ntags); c = c->next);
     if(c)
     {
-        focus(c->display, &dc, c, True, awesomeconf);
-        restack(c->display, awesomeconf);
+        focus(c->display, drawcontext, c, True, awesomeconf);
+        restack(c->display, drawcontext, awesomeconf);
     }
 }
 
 void
 uicb_focusprev(Display *disp __attribute__ ((unused)),
+               DC *drawcontext,
                awesome_config *awesomeconf,
                const char *arg __attribute__ ((unused)))
 {
@@ -82,8 +83,8 @@ uicb_focusprev(Display *disp __attribute__ ((unused)),
     }
     if(c)
     {
-        focus(c->display, &dc, c, True, awesomeconf);
-        restack(c->display, awesomeconf);
+        focus(c->display, drawcontext, c, True, awesomeconf);
+        restack(c->display, drawcontext, awesomeconf);
     }
 }
 
@@ -103,13 +104,13 @@ loadawesomeprops(Display *disp, awesome_config * awesomeconf)
 }
 
 void
-restack(Display * disp, awesome_config *awesomeconf)
+restack(Display * disp, DC * drawcontext, awesome_config *awesomeconf)
 {
     Client *c;
     XEvent ev;
     XWindowChanges wc;
 
-    drawstatus(disp, &dc, awesomeconf);
+    drawstatus(disp, drawcontext, awesomeconf);
     if(!sel)
         return;
     if(sel->isfloating || IS_ARRANGE(floating))
@@ -152,7 +153,10 @@ saveawesomeprops(Display *disp, awesome_config *awesomeconf)
 }
 
 void
-uicb_setlayout(Display *disp, awesome_config * awesomeconf, const char *arg)
+uicb_setlayout(Display *disp,
+               DC *drawcontext,
+               awesome_config * awesomeconf,
+               const char *arg)
 {
     int i, j;
     Client *c;
@@ -174,9 +178,9 @@ uicb_setlayout(Display *disp, awesome_config * awesomeconf, const char *arg)
         c->ftview = True;
 
     if(sel)
-        arrange(disp, &dc, awesomeconf);
+        arrange(disp, drawcontext, awesomeconf);
     else
-        drawstatus(disp, &dc, awesomeconf);
+        drawstatus(disp, drawcontext, awesomeconf);
 
     saveawesomeprops(disp, awesomeconf);
 
@@ -187,6 +191,7 @@ uicb_setlayout(Display *disp, awesome_config * awesomeconf, const char *arg)
 
 void
 uicb_togglebar(Display *disp,
+               DC *drawcontext,
                awesome_config *awesomeconf,
                const char *arg __attribute__ ((unused)))
 {
@@ -195,11 +200,11 @@ uicb_togglebar(Display *disp,
     else
         awesomeconf->statusbar.position = BarOff;
     updatebarpos(disp, awesomeconf->statusbar);
-    arrange(disp, &dc, awesomeconf);
+    arrange(disp, drawcontext, awesomeconf);
 }
 
 static void
-maximize(int x, int y, int w, int h, awesome_config *awesomeconf)
+maximize(int x, int y, int w, int h, DC *drawcontext, awesome_config *awesomeconf)
 {
     XEvent ev;
 
@@ -221,24 +226,28 @@ maximize(int x, int y, int w, int h, awesome_config *awesomeconf)
     else
         sel->isfloating = False;
 
-    drawstatus(sel->display, &dc, awesomeconf);
+    drawstatus(sel->display, drawcontext, awesomeconf);
 
     while(XCheckMaskEvent(sel->display, EnterWindowMask, &ev));
 }
 
 void
 uicb_togglemax(Display *disp,
+               DC *drawcontext,
                awesome_config *awesomeconf,
                const char *arg __attribute__ ((unused)))
 {
     maximize(get_windows_area_x(awesomeconf->statusbar),
              get_windows_area_y(awesomeconf->statusbar),
              get_windows_area_width(disp, awesomeconf->statusbar) - 2 * awesomeconf->borderpx,
-             get_windows_area_height(disp, awesomeconf->statusbar) - 2 * awesomeconf->borderpx, awesomeconf);
+             get_windows_area_height(disp, awesomeconf->statusbar) - 2 * awesomeconf->borderpx,
+             drawcontext,
+             awesomeconf);
 }
 
 void
 uicb_toggleverticalmax(Display *disp,
+                       DC *drawcontext,
                        awesome_config *awesomeconf,
                        const char *arg __attribute__ ((unused)))
 {
@@ -247,12 +256,14 @@ uicb_toggleverticalmax(Display *disp,
                  get_windows_area_y(awesomeconf->statusbar),
                  sel->w,
                  get_windows_area_height(disp, awesomeconf->statusbar) - 2 * awesomeconf->borderpx,
+                 drawcontext,
                  awesomeconf);
 }
 
 
 void
 uicb_togglehorizontalmax(Display *disp,
+                         DC *drawcontext,
                          awesome_config *awesomeconf,
                          const char *arg __attribute__ ((unused)))
 {
@@ -261,11 +272,13 @@ uicb_togglehorizontalmax(Display *disp,
                  sel->y,
                  get_windows_area_height(disp, awesomeconf->statusbar) - 2 * awesomeconf->borderpx,
                  sel->h,
+                 drawcontext,
                  awesomeconf);
 }
 
 void 
 uicb_zoom(Display *disp __attribute__ ((unused)), 
+          DC *drawcontext __attribute__ ((unused)),
           awesome_config *awesomeconf,
           const char *arg __attribute__ ((unused))) 
 { 
@@ -273,7 +286,7 @@ uicb_zoom(Display *disp __attribute__ ((unused)),
         return;
     detach(sel);
     attach(sel);
-    focus(sel->display, &dc, sel, True, awesomeconf);
-    arrange(sel->display, &dc, awesomeconf);
+    focus(sel->display, drawcontext, sel, True, awesomeconf);
+    arrange(sel->display, drawcontext, awesomeconf);
 } 
 
diff --git a/layout.h b/layout.h
index bf7c2553..f98b4517 100644
--- a/layout.h
+++ b/layout.h
@@ -30,15 +30,15 @@
 #define AWESOMEPROPS_ATOM(disp)                    XInternAtom(disp, "_AWESOME_PROPERTIES", False)
 
 void arrange(Display *, DC *, awesome_config *);             /* arranges all windows depending on the layout in use */
-void restack(Display *, awesome_config *);        /* restores z layers of all clients */
-void uicb_focusnext(Display *, awesome_config *, const char *);   /* focuses next visible client */
-void uicb_focusprev(Display *, awesome_config *, const char *);   /* focuses prev visible client */
-void uicb_setlayout(Display *, awesome_config *, const char *);   /* sets layout, NULL means next layout */
-void uicb_togglebar(Display *, awesome_config *, const char *);   /* shows/hides the bar */
-void uicb_togglemax(Display *, awesome_config *, const char *);   /* toggles maximization of floating client */
-void uicb_toggleverticalmax(Display *, awesome_config *, const char *);
-void uicb_togglehorizontalmax(Display *, awesome_config *, const char *);
-void uicb_zoom(Display *, awesome_config *, const char *); /* set current window first in stack */
+void restack(Display *, DC *, awesome_config *);        /* restores z layers of all clients */
+void uicb_focusnext(Display *, DC *, awesome_config *, const char *);   /* focuses next visible client */
+void uicb_focusprev(Display *, DC *, awesome_config *, const char *);   /* focuses prev visible client */
+void uicb_setlayout(Display *, DC *, awesome_config *, const char *);   /* sets layout, NULL means next layout */
+void uicb_togglebar(Display *, DC *, awesome_config *, const char *);   /* shows/hides the bar */
+void uicb_togglemax(Display *, DC *, awesome_config *, const char *);   /* toggles maximization of floating client */
+void uicb_toggleverticalmax(Display *, DC *, awesome_config *, const char *);
+void uicb_togglehorizontalmax(Display *, DC *, awesome_config *, const char *);
+void uicb_zoom(Display *, DC *, awesome_config *, const char *); /* set current window first in stack */
 void loadawesomeprops(Display *, awesome_config *);
 void saveawesomeprops(Display *disp, awesome_config *);
 
diff --git a/tag.c b/tag.c
index aaacf2dc..f4d9ca31 100644
--- a/tag.c
+++ b/tag.c
@@ -26,7 +26,6 @@
 #include "tag.h"
 
 extern Client *sel;             /* global client list */
-extern DC dc;
 
 static Regs *regs = NULL;
 
@@ -144,7 +143,10 @@ isvisible(Client * c, Bool * tags, int ntags)
  * \ingroup ui_callback
  */
 void
-uicb_tag(Display *disp, awesome_config *awesomeconf, const char *arg)
+uicb_tag(Display *disp,
+         DC *drawcontext,
+         awesome_config *awesomeconf,
+         const char *arg)
 {
     int i;
 
@@ -156,7 +158,7 @@ uicb_tag(Display *disp, awesome_config *awesomeconf, const char *arg)
     if(i >= 0 && i < awesomeconf->ntags)
         sel->tags[i] = True;
     saveprops(sel, awesomeconf->ntags);
-    arrange(disp, &dc, awesomeconf);
+    arrange(disp, drawcontext, awesomeconf);
 }
 
 /** Toggle floating state of a client
@@ -166,6 +168,7 @@ uicb_tag(Display *disp, awesome_config *awesomeconf, const char *arg)
  */
 void
 uicb_togglefloating(Display *disp,
+                    DC *drawcontext,
                     awesome_config * awesomeconf,
                     const char *arg __attribute__ ((unused)))
 {
@@ -184,7 +187,7 @@ uicb_togglefloating(Display *disp,
         sel->rh = sel->h;
     }
     saveprops(sel, awesomeconf->ntags);
-    arrange(disp, &dc, awesomeconf);
+    arrange(disp, drawcontext, awesomeconf);
 }
 
 /** Toggle tag view
@@ -194,6 +197,7 @@ uicb_togglefloating(Display *disp,
  */
 void
 uicb_toggletag(Display *disp,
+               DC *drawcontext,
                awesome_config *awesomeconf,
                const char *arg)
 {
@@ -208,7 +212,7 @@ uicb_toggletag(Display *disp,
     if(j == awesomeconf->ntags)
         sel->tags[i] = True;
     saveprops(sel, awesomeconf->ntags);
-    arrange(disp, &dc, awesomeconf);
+    arrange(disp, drawcontext, awesomeconf);
 }
 
 /** Add a tag to viewed tags
@@ -218,6 +222,7 @@ uicb_toggletag(Display *disp,
  */
 void
 uicb_toggleview(Display *disp,
+                DC *drawcontext,
                 awesome_config *awesomeconf,
                 const char *arg)
 {
@@ -230,7 +235,7 @@ uicb_toggleview(Display *disp,
     if(j == awesomeconf->ntags)
         awesomeconf->selected_tags[i] = True;      /* cannot toggle last view */
     saveawesomeprops(disp, awesomeconf);
-    arrange(disp, &dc, awesomeconf);
+    arrange(disp, drawcontext, awesomeconf);
 }
 
 /** View tag
@@ -241,6 +246,7 @@ uicb_toggleview(Display *disp,
  */
 void
 uicb_view(Display *disp,
+          DC *drawcontext,
           awesome_config *awesomeconf,
           const char *arg)
 {
@@ -258,7 +264,7 @@ uicb_view(Display *disp,
         awesomeconf->current_layout = awesomeconf->tag_layouts[i];
     }
     saveawesomeprops(disp, awesomeconf);
-    arrange(disp, &dc, awesomeconf);
+    arrange(disp, drawcontext, awesomeconf);
 }
 
 /** View previously selected tags
@@ -269,6 +275,7 @@ uicb_view(Display *disp,
  */
 void
 uicb_viewprevtags(Display * disp,
+                  DC *drawcontext,
                   awesome_config *awesomeconf,
                   const char *arg __attribute__ ((unused)))
 {
@@ -281,7 +288,7 @@ uicb_viewprevtags(Display * disp,
         awesomeconf->selected_tags[i] = awesomeconf->prev_selected_tags[i];
         awesomeconf->prev_selected_tags[i] = t;
     }
-    arrange(disp, &dc, awesomeconf);
+    arrange(disp, drawcontext, awesomeconf);
 }
 
 /** View next tag
@@ -291,6 +298,7 @@ uicb_viewprevtags(Display * disp,
  */
 void
 uicb_tag_viewnext(Display *disp,
+                  DC * drawcontext,
                   awesome_config *awesomeconf,
                   const char *arg __attribute__ ((unused)))
 {
@@ -307,7 +315,7 @@ uicb_tag_viewnext(Display *disp,
         firsttag = 0;
     awesomeconf->selected_tags[firsttag] = True;
     saveawesomeprops(disp, awesomeconf);
-    arrange(disp, &dc, awesomeconf);
+    arrange(disp, drawcontext, awesomeconf);
 }
 
 /** View previous tag
@@ -317,6 +325,7 @@ uicb_tag_viewnext(Display *disp,
  */
 void
 uicb_tag_viewprev(Display *disp,
+                  DC *drawcontext,
                   awesome_config *awesomeconf,
                   const char *arg __attribute__ ((unused)))
 {
@@ -333,5 +342,5 @@ uicb_tag_viewprev(Display *disp,
         firsttag = awesomeconf->ntags - 1;
     awesomeconf->selected_tags[firsttag] = True;
     saveawesomeprops(disp, awesomeconf);
-    arrange(disp, &dc, awesomeconf);
+    arrange(disp, drawcontext, awesomeconf);
 }
diff --git a/tag.h b/tag.h
index 99dda31a..446f305d 100644
--- a/tag.h
+++ b/tag.h
@@ -31,14 +31,14 @@
 void compileregs(Rule *, int);         /* initialize regexps of rules defined in config.h */
 Bool isvisible(Client *, Bool *, int);
 void applyrules(Client * c, awesome_config *);    /* applies rules to c */
-void uicb_tag(Display *, awesome_config *, const char *);         /* tags sel with arg's index */
-void uicb_togglefloating(Display *, awesome_config *, const char *);      /* toggles sel between floating/tiled state */
-void uicb_toggletag(Display *, awesome_config *, const char *);   /* toggles sel tags with arg's index */
-void uicb_toggleview(Display *, awesome_config *, const char *);  /* toggles the tag with arg's index (in)visible */
-void uicb_view(Display *, awesome_config *, const char *);        /* views the tag with arg's index */
-void uicb_viewprevtags(Display *, awesome_config *, const char *);
-void uicb_tag_viewnext(Display *, awesome_config *, const char *);        /* view only tag just after the first selected */
-void uicb_tag_viewprev(Display *, awesome_config *, const char *);        /* view only tag just before the first selected */
+void uicb_tag(Display *, DC *, awesome_config *, const char *);         /* tags sel with arg's index */
+void uicb_togglefloating(Display *, DC *, awesome_config *, const char *);      /* toggles sel between floating/tiled state */
+void uicb_toggletag(Display *, DC *, awesome_config *, const char *);   /* toggles sel tags with arg's index */
+void uicb_toggleview(Display *, DC *, awesome_config *, const char *);  /* toggles the tag with arg's index (in)visible */
+void uicb_view(Display *, DC *, awesome_config *, const char *);        /* views the tag with arg's index */
+void uicb_viewprevtags(Display *, DC *, awesome_config *, const char *);
+void uicb_tag_viewnext(Display *, DC *, awesome_config *, const char *);        /* view only tag just after the first selected */
+void uicb_tag_viewprev(Display *, DC *, awesome_config *, const char *);        /* view only tag just before the first selected */
 
 typedef struct 
 {