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2f6c682061
focus-in-hook and focus-out-hook don't accurately reflect actual user-visible focus states. Add a new focus interface and mark the old one obsolete. * doc/lispref/frames.texi (Input Focus): Document new focus functions. Remove references to the now-obsolete focus hooks. * lisp/frame.el (frame-focus-state): New function. (after-focus-change-function): New variable. (focus-in-hook, focus-out-hook): Move to lisp from C; mark obsolete. * lisp/term/xterm.el (xterm-translate-focus-in) (xterm-translate-focus-out): Track tty focus in `tty-focus-state' terminal parameter; call `after-focus-change-function'. (xterm--suspend-tty-function): New function. * src/frame.c (Fhandle_switch_frame): Update docstring; don't call focus hooks. (focus-in-hook, focus-out-hook): Remove: moved to lisp. (syms_of_frame): Remove unread_switch_frame; add Vunread_switch_frame. * src/keyboard.c: (Finternal_handle_focus_in): New function. (make_lispy_event): Always report focus events to lisp; don't translate them to switch events sometimes. Lisp can take care of creating synthetic switch-frame events via `internal-handle-focus-in'. * src/w32term.c (x_focus_changed): Remove switch-avoidance logic: just directly report focus changes to lisp. * src/xterm.c (x_focus_changed): Remove switch-avoidance logic: just directly report focus changes to lisp. |
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