diff --git a/Makefile b/Makefile
index 9a15a34..63a4ff4 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ ALL_LDFLAGS = $(LDFLAGS) $(LIBS) -lxcb
 CC = cc
 
 OBJ = src/event.o src/sowm.o
-HDR = src/event.h
+HDR = src/event.h src/globals.h
 
 .c.o:
 	$(CC) $(ALL_CFLAGS) -c -o $@ $<
diff --git a/src/event.c b/src/event.c
index 7d39574..937b174 100644
--- a/src/event.c
+++ b/src/event.c
@@ -1,3 +1,4 @@
+#include "globals.h"
 #include "event.h"
 
 void (*events[XCB_NO_OPERATION])(xcb_generic_event_t *) = {
@@ -11,9 +12,13 @@ void (*events[XCB_NO_OPERATION])(xcb_generic_event_t *) = {
     [XCB_MOTION_NOTIFY]     = event_notify_motion
 };
 
-/* todo */
 void event_button_press(xcb_generic_event_t *ev) { }
-void event_button_release(xcb_generic_event_t *ev) { }
+
+void event_button_release(xcb_generic_event_t *ev) {
+    xcb_ungrab_pointer(dpy, XCB_CURRENT_TIME);
+    xcb_flush(dpy);
+}
+
 void event_configure_request(xcb_generic_event_t *ev) { }
 void event_key_press(xcb_generic_event_t *ev) { }
 void event_notify_create(xcb_generic_event_t *ev) { }
diff --git a/src/event.h b/src/event.h
index 1dd44b3..d52f60b 100644
--- a/src/event.h
+++ b/src/event.h
@@ -1,6 +1,3 @@
-#ifndef SOWM_EVENT_H_INCLUDED
-#define SOWM_EVENT_H_INCLUDED
-
 #include <xcb/xcb.h>
 
 void event_button_press(xcb_generic_event_t *ev);
@@ -13,5 +10,3 @@ void event_notify_enter(xcb_generic_event_t *ev);
 void event_notify_motion(xcb_generic_event_t *ev);
 
 extern void (*events[XCB_NO_OPERATION])(xcb_generic_event_t *);
-
-#endif
diff --git a/src/globals.h b/src/globals.h
new file mode 100644
index 0000000..6ea36c2
--- /dev/null
+++ b/src/globals.h
@@ -0,0 +1,4 @@
+#include <xcb/xcb.h>
+
+extern xcb_connection_t *dpy;
+extern xcb_screen_t *scr;
diff --git a/src/sowm.c b/src/sowm.c
index 2774e69..6b7dbdf 100644
--- a/src/sowm.c
+++ b/src/sowm.c
@@ -5,13 +5,14 @@
 #include <xcb/xcb.h>
 
 #include "event.h"
-
-static xcb_connection_t *dpy;
-static xcb_screen_t *scr;
+#include "globals.h"
 
 static void init_wm(void);
 static void init_input(void);
 
+xcb_connection_t *dpy;
+xcb_screen_t *scr;
+
 static void init_wm(void) {
     uint32_t values[2];