(x_focus_changed, x_detect_focus_change): Remove
numchars arg. Always store event into bufp arg. Return nothing. Callers changed accordingly. (glyph_rect): Simplify. (STORE_KEYSYM_FOR_DEBUG): New macro. (SET_SAVED_MENU_EVENT): Use inev instead of bufp, etc. (current_bufp, current_numcharsp) [USE_GTK]: Remove. (current_hold_quit) [USE_GTK]: Add. (event_handler_gdk): Adapt to new handle_one_xevent. (handle_one_xevent): Remove bufp_r and numcharsp args. Add hold_quit arg. Rework to use just one, local, inev input_event. Store inev directly in fifo using kbd_buffer_store_event_hold. Update count in one place. Postpone call to gen_help_event until inev is stored; use new local do_help for this. Simplify handling of keysyms (consolidate common code). Fix bug where count was updated with nchars instead of nbytes. Remove local emacs_event in handing of ButtonPress event; just use inev instead (so no reason to copy it later). Remove `out' label. Rename label `ret' to `done'; add various `goto done' to clarify code flow in deeply nested blocks. (x_dispatch_event): Simplify as handle_one_xevent now calls kbd_buffer_store_event itself. (XTread_socket): Remove bufp_r and numcharsp args. Add hold_quit arg. Call handle_one_xevent with new arglist. Store event from x_session_check_input in fifo. [USE_GTK]: Setup current_hold_quit. Decrement handling_signal before unblocking input. (x_initialize) [USE_GTK]: Initialize current_count.
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