(X11) Mouse input is no longer registered when we are on the

titlebar of the window or we are no longer inside the window

gfx/common/x11_common.c

@@ -56,6 +56,7 @@ static bool g_x11_has_focus;
 static XIM g_x11_xim;
 static XIC g_x11_xic;
 static bool g_x11_true_full;
+bool g_x11_entered            = false;
 
 unsigned g_x11_screen;
 
@@ -647,6 +648,14 @@ bool x11_alive(void *data)
             }
             break;
 
+         case EnterNotify:
+            g_x11_entered = true;
+            break;
+
+         case LeaveNotify:
+            g_x11_entered = false;
+            break;
+
          case ButtonRelease:
             break;
 

gfx/drivers_context/x_ctx.c

@@ -481,6 +481,7 @@ static bool gfx_ctx_x_set_video_mode(void *data,
    swa.colormap = g_x11_cmap = XCreateColormap(g_x11_dpy,
          RootWindow(g_x11_dpy, vi->screen), vi->visual, AllocNone);
    swa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask |
+      LeaveWindowMask | EnterWindowMask |
       ButtonReleaseMask | ButtonPressMask;
    swa.override_redirect = fullscreen ? True : False;
 

input/drivers/x11_input.c

@@ -300,6 +300,8 @@ static void x_input_free(void *data)
    free(x11);
 }
 
+extern bool g_x11_entered;
+
 static void x_input_poll_mouse(x11_input_t *x11)
 {
    unsigned mask;
@@ -316,6 +318,8 @@ static void x_input_poll_mouse(x11_input_t *x11)
             &win_x, &win_y,
             &mask);
 
+   if (g_x11_entered)
+   {
       x11->mouse_x  = win_x;
       x11->mouse_y  = win_y;
       x11->mouse_l  = mask & Button1Mask; 
@@ -343,6 +347,7 @@ static void x_input_poll_mouse(x11_input_t *x11)
          x11->mouse_last_y = mid_h;
       }
    }
+}
 
 
 static void x_input_poll(void *data)