diff --git a/Makefile b/Makefile
index ea29dd5..196da04 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,9 @@
+GDK_CFLAGS=`pkg-config --cflags gdk-x11-2.0`
+
 all: libfshack-npapi.so libfshack-ppapi.so
 
 %.o: %.c common.h
-	gcc -fPIC -c -Wall $*.c -o $*.o
+	gcc -fPIC $(GDK_CFLAGS) -c -Wall $*.c -o $*.o
 
 libfshack-npapi.so: npapi.o common.o
 	gcc -shared npapi.o common.o -ldl -o libfshack-npapi.so
diff --git a/common.c b/common.c
index 30617c8..6162fc7 100644
--- a/common.c
+++ b/common.c
@@ -21,7 +21,8 @@ void fshack_init_running_under_flash(void)
  int ret, i;
 
  fp = fopen("/proc/self/cmdline", "r");
- if (!fp) {
+ if (!fp) 
+ {
  return;
  }
  ret = fread(buffer, 1, sizeof(buffer) - 1, fp);
@@ -40,7 +41,8 @@ void fshack_init_running_under_flash(void)
  }
  buffer[ret] = '\0';
  fprintf(stderr, "--- %s ---\n", buffer);
- if (strstr(buffer, "libflashplayer") != NULL) {
+ if (strstr(buffer, "libflashplayer") != NULL) 
+ {
  _running_under_flash = 1;
  }
 }
@@ -62,5 +64,7 @@ int XSelectInput(Display* display, Window window, long event_mask)
         event_mask &= ~PropertyChangeMask;
     }
 
-    return fn(display, window, event_mask);
+    int result = fn(display, window, event_mask);
+    dlclose(xlib_handle);
+    return result;
 }
diff --git a/npapi.c b/npapi.c
index b7f0c73..f69395a 100644
--- a/npapi.c
+++ b/npapi.c
@@ -6,7 +6,7 @@
 #include <stdlib.h>
 #include <X11/Xlib.h>
 #include <X11/extensions/Xinerama.h>
-
+#include <gdk/gdk.h>
 #include "common.h"
 
 typedef Status (*xgg_func)(Display *, Drawable, Window *, 
@@ -22,6 +22,11 @@ typedef Bool (*xqp_func) (Display *, Window, Window *,
               Window *, int *, int *,
               int *, int *, unsigned int *);
 
+typedef void (*gsgmg_func) (GdkScreen *,  gint ,  GdkRectangle *);
+
+typedef gint (*gsgmatw_func) (GdkScreen *, GdkWindow* );
+
+typedef GdkWindow* (*gsgaw_func) (GdkScreen *);
 
 void __attribute__ ((constructor)) load(void);
 
@@ -63,6 +68,38 @@ int choose_screen(Display *display, XineramaScreenInfo *screens,
     fprintf(stderr, "\n----\nNo matching screen found!\n----\n\n");
     return 0;
 }
+void gdk_screen_get_monitor_geometry (GdkScreen *screen,
+                                 gint monitor_num,
+                                 GdkRectangle *dest)
+{
+    void* gdk_handle;
+	gsgmg_func gsgmg;
+
+   	if (_running_under_flash) {
+    gdk_handle = dlopen("libgdk-x11-2.0.so.0", RTLD_LAZY);
+    gsgmg = dlsym(gdk_handle, "gdk_screen_get_monitor_geometry");
+
+    
+     GdkWindow *window;
+     gsgaw_func gsgaw = dlsym(gdk_handle, "gdk_screen_get_active_window");
+     window = gsgaw(screen);
+     gsgmatw_func gsgmatw = dlsym(gdk_handle, "gdk_screen_get_monitor_at_window");
+
+      //dest->width = 2560;
+      //dest->height = 1440;
+
+     monitor_num = gsgmatw(screen, window);
+   	}
+   	else {
+	gdk_handle = dlopen("libgdk-3.so.0", RTLD_LAZY);
+    gsgmg = dlsym(gdk_handle, "gdk_screen_get_monitor_geometry");
+   	}
+
+   gsgmg(screen, monitor_num, dest);
+
+   printf("monitor %u size - %ux%u\n",monitor_num, dest->width, dest->height);
+   dlclose(gdk_handle);
+}
 
 Status XGetGeometry(Display *display, Drawable d, Window *root_return, 
             int *x_return, int *y_return, 
@@ -94,10 +131,12 @@ Status XGetGeometry(Display *display, Drawable d, Window *root_return,
         *width_return = screens[n].width;
         *height_return = screens[n].height;
 	fprintf(stderr, "\nUsing: screen[%d] %dx%d+%d+%d\n\n", n, screens[n].width, // output selected resolution to stderr
-                screens[n].height, screens[n].x_org, screens[n].y_org);
+               screens[n].height, screens[n].x_org, screens[n].y_org);
 
         XFree(screens);
+        //dlclose(xin_handle); // this is making  firefox to crash, why?...
     }
+    dlclose(xlib_handle);
     return s;
 
 }