(x_sync): Take frame ptr as arg.
(check_x_display_info): New function. (Fx_create_frame): Use it. (x_screen_planes): New function. (EMACS_CLASS): Macro moved to xterm.h. (Qdisplay): New variable. (syms_of_xfns): Set it up. (Fx_create_frame): Handle display parameter which says where to get the FRAME_X_DISPLAY_INFO. (x_display_info_for_name): New function. (select_visual): New arg dpy. (Fx_open_connection): Get dpyinfo from x_term_init. Don't set up atoms, xrdb here. Pass name as Lisp_Object. (the_x_screen): Variable moved to xterm.c. (syms_of_xfns): Don't staticpro it here. (xrdb): Variable deleted. (Fx_get_resource): Use selected_frame's xrdb. (x_get_resource_string): Likewise. (Fx_open_connection): Store the atoms in x_display_info. (hack_wm_protocols): New arg f. Get atoms from x_display_info. (x_window): Get atoms from x_display_info. (Vmouse_depressed, mouse_buffer_offset): Variables deleted. (syms_of_xfns): Delete Lisp variables too. (Fx_synchronize): Take frame as arg. (Fx_close_current_connection): Take frame as arg. Error is not fatal. (mouse_timestamp): Variable deleted. (screen_visual, x_screen_planes): Variables deleted. (x_screen, x_screen_height, x_screen_width): Variables deleted. (Fx_open_connection): Don't set them here. Put that info in the x_display_info structure. (x_window): Get the visual from x_display_info structure. (x_decode_color): Use n_planes from x_display_info structure. Use FRAME_X_DISPLAY instead of x_current_display and XDISPLAY. (x_in_use): New variable, (check_x, using_x_p): Test x_in_use. (Fx_open_connection): Set x_in_use. (check_x_frame): New function. (defined_color): New arg f specifies frame. Callers changed. (x_decode_color): New arg f. All callers changed. (Fx_color_values, Fx_color_defined_p): New arg FRAME. Use check_x_frame. (Fx_list_fonts): Use check_x_frame.
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