return ret;
}
-/* Convert an XClientMessageEvent to a Lisp event of type DRAG_N_DROP_EVENT.
- TODO: Check if this client event really is a DND event? */
+DEFUN ("x-register-dnd-atom", Fx_register_dnd_atom,
+ Sx_register_dnd_atom, 1, 2, 0,
+ doc: /* Request that dnd events are made for ClientMessages with ATOM.
+ATOM can be a symbol or a string. The ATOM is interned on the display that
+FRAME is on. If FRAME is nil, the selected frame is used. */)
+ (atom, frame)
+ Lisp_Object atom, frame;
+{
+ Atom x_atom;
+ struct frame *f = check_x_frame (frame);
+ size_t i;
+ struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+
+
+ if (SYMBOLP (atom))
+ x_atom = symbol_to_x_atom (dpyinfo, FRAME_X_DISPLAY (f), atom);
+ else if (STRINGP (atom))
+ {
+ BLOCK_INPUT;
+ x_atom = XInternAtom (FRAME_X_DISPLAY (f), (char *) SDATA (atom), False);
+ UNBLOCK_INPUT;
+ }
+ else
+ error ("ATOM must be a symbol or a string");
+
+ for (i = 0; i < dpyinfo->x_dnd_atoms_length; ++i)
+ if (dpyinfo->x_dnd_atoms[i] == x_atom)
+ return Qnil;
+
+ if (dpyinfo->x_dnd_atoms_length == dpyinfo->x_dnd_atoms_size)
+ {
+ dpyinfo->x_dnd_atoms_size *= 2;
+ dpyinfo->x_dnd_atoms = xrealloc (dpyinfo->x_dnd_atoms,
+ sizeof (*dpyinfo->x_dnd_atoms)
+ * dpyinfo->x_dnd_atoms_size);
+ }
+
+ dpyinfo->x_dnd_atoms[dpyinfo->x_dnd_atoms_length++] = x_atom;
+ return Qnil;
+}
+
+/* Convert an XClientMessageEvent to a Lisp event of type DRAG_N_DROP_EVENT. */
int
x_handle_dnd_message (f, event, dpyinfo, bufp)
int x, y;
unsigned char *data = (unsigned char *) event->data.b;
int idata[5];
+ size_t i;
+
+ for (i = 0; i < dpyinfo->x_dnd_atoms_length; ++i)
+ if (dpyinfo->x_dnd_atoms[i] == event->message_type) break;
+
+ if (i == dpyinfo->x_dnd_atoms_length) return 0;
XSETFRAME (frame, f);
defsubr (&Sx_get_atom_name);
defsubr (&Sx_send_client_message);
+ defsubr (&Sx_register_dnd_atom);
reading_selection_reply = Fcons (Qnil, Qnil);
staticpro (&reading_selection_reply);