dotfiles/.emacs.d/elpa/ace-window-20220911.358/ace-window-posframe.el
2025-06-29 03:58:41 +03:30

64 lines
2.5 KiB
EmacsLisp

;;; ace-window-posframe.el --- posframe support for ace-window -*- lexical-binding: t -*-
;; Copyright (C) 2015-2022 Free Software Foundation, Inc.
(require 'ace-window)
;; Suppress warnings
(declare-function posframe-poshandler-window-center "ext:posframe")
(declare-function posframe-show "ext:posframe")
(declare-function posframe-hide "ext:posframe")
(declare-function posframe-workable-p "ext:posframe")
(defvar aw--posframe-frames '())
(defvar aw-posframe-position-handler #'posframe-poshandler-window-center)
(defun aw--lead-overlay-posframe (path leaf)
(let* ((wnd (cdr leaf))
(str (format "%s" (apply #'string path)))
;; It's important that buffer names are not unique across
;; multiple invocations: posframe becomes very slow when
;; creating new frames, and so being able to reuse old ones
;; makes a huge difference. What defines "able to reuse" is
;; something like: a frame exists which hasn't been deleted
;; (with posframe-delete) and has the same configuration as
;; the requested new frame.
(bufname (format " *aw-posframe-buffer-%s*" path)))
(with-selected-window wnd
(push bufname aw--posframe-frames)
(posframe-show bufname
:string str
:poshandler aw-posframe-position-handler
:font (face-font 'aw-leading-char-face)
:foreground-color (face-foreground 'aw-leading-char-face nil t)
:background-color (face-background 'aw-leading-char-face nil t)))))
(defun aw--remove-leading-chars-posframe ()
;; Hide rather than delete. See aw--lead-overlay-posframe for why.
(mapc #'posframe-hide aw--posframe-frames)
(setq aw--posframe-frames nil))
(defun ace-window-posframe-enable ()
(unless (and (require 'posframe nil t) (posframe-workable-p))
(error "Posframe is not workable"))
(setq aw--lead-overlay-fn #'aw--lead-overlay-posframe)
(setq aw--remove-leading-chars-fn #'aw--remove-leading-chars-posframe))
(defun ace-window-posframe-disable ()
(setq aw--lead-overlay-fn #'aw--lead-overlay)
(setq aw--remove-leading-chars-fn #'aw--remove-leading-chars))
;;;###autoload
(define-minor-mode ace-window-posframe-mode
"Minor mode for showing the ace window key with child frames."
:global t
:require 'ace-window
:group 'ace-window
:init-value nil
(if ace-window-posframe-mode
(ace-window-posframe-enable)
(ace-window-posframe-disable)))
(provide 'ace-window-posframe)