1 files changed, 15 insertions, 0 deletions
diff --git a/x11vnc/win_utils.c b/x11vnc/win_utils.c
index a7ebe06..4ff3107 100644
--- a/x11vnc/win_utils.c
+++ b/x11vnc/win_utils.c
@@ -19,6 +19,7 @@ int get_window_size(Window win, int *x, int *y);
 void snapshot_stack_list(int free_only, double allowed_age);
 void update_stack_list(void);
 Window query_pointer(Window start);
+unsigned int mask_state(void);
 int pick_windowid(unsigned long *num);
 Window descend_pointer(int depth, Window start, char *name_info, int len);
 
@@ -279,6 +280,20 @@ Window query_pointer(Window start) {
 	}
 }
 
+unsigned int mask_state(void) {
+	Window r, c;	
+	int rx, ry, wx, wy;
+	unsigned int mask;
+
+	RAWFB_RET(0)
+
+	if (XQueryPointer(dpy, rootwin, &r, &c, &rx, &ry, &wx, &wy, &mask)) {
+		return mask;
+	} else {
+		return 0;
+	}
+}
+
 int pick_windowid(unsigned long *num) {
 	char line[512];
 	int ok = 0, n = 0, msec = 10, secmax = 15;