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(require 'prot-common)
(defvar prot-window-window-sizes
'( :max-height (lambda () (floor (frame-height) 3))
:min-height 10
:max-width (lambda () (floor (frame-width) 4))
:min-width 20)
"Property list of maximum and minimum window sizes.
The property keys are `:max-height', `:min-height', `:max-width',
and `:min-width'. They all accept a value of either a
number (integer or floating point) or a function.")
(defun prot-window--get-window-size (key)
"Extract the value of KEY from `prot-window-window-sizes'."
(when-let ((value (plist-get prot-window-window-sizes key)))
(cond
((functionp value)
(funcall value))
((numberp value)
value)
(t
(error "The value of `%s' is neither a number nor a function" key)))))
(defun prot-window-select-fit-size (window)
"Select WINDOW and resize it.
The resize pertains to the maximum and minimum values for height
and width, per `prot-window-window-sizes'.
Use this as the `body-function' in a `display-buffer-alist' entry."
(select-window window)
(fit-window-to-buffer
window
(prot-window--get-window-size :max-height)
(prot-window--get-window-size :min-height)
(prot-window--get-window-size :max-width)
(prot-window--get-window-size :min-width))
;; If we did not use `display-buffer-below-selected', then we must
;; be in a lateral window, which has more space. Then we do not
;; want to dedicate the window to this buffer, because we will be
;; running out of space.
(when (or (window-in-direction 'above) (window-in-direction 'below))
(set-window-dedicated-p window t)))
(defun prot-window--get-display-buffer-below-or-pop ()
"Return list of functions for `prot-window-display-buffer-below-or-pop'."
(list
#'display-buffer-reuse-mode-window
(if (or (prot-common-window-small-p)
(prot-common-three-or-more-windows-p))
#'display-buffer-below-selected
#'display-buffer-pop-up-window)))
(defun prot-window-display-buffer-below-or-pop (&rest args)
"Display buffer below current window or pop a new window.
The criterion for choosing to display the buffer below the
current one is a non-nil return value for
`prot-common-window-small-p'.
Apply ARGS expected by the underlying `display-buffer' functions.
This as the action function in a `display-buffer-alist' entry."
(let ((functions (prot-window--get-display-buffer-below-or-pop)))
(catch 'success
(dolist (fn functions)
(when (apply fn args)
(throw 'success fn))))))
;; from protesilaos prot-shell library
(defun prot-window-shell-or-term-p (buffer &rest _)
"Check if BUFFER is a shell or terminal.
This is a predicate function for `buffer-match-p', intended for
use in `display-buffer-alist'."
(when (string-match-p "\\*.*\\(e?shell\\|v?term\\|terminal\\).*" (buffer-name (get-buffer buffer)))
(with-current-buffer buffer
;; REVIEW 2022-07-14: Is this robust?
(and (not (derived-mode-p 'message-mode 'text-mode))
(derived-mode-p 'eshell-mode 'shell-mode 'term-mode 'comint-mode 'fundamental-mode)))))
;; taken from https://github.com/hylophile/.files/blob/1f3f01e4e25b00f7b61eca286fcf4f865885090c/.config/doom/config.org#fancy-tab-bar
(defun hy/tab-bar-format-align-center ()
"Align the rest of tab bar items centered."
(let* ((rest (cdr (memq 'hy/tab-bar-format-align-center tab-bar-format)))
(rest (tab-bar-format-list rest))
(rest (mapconcat (lambda (item) (nth 2 item)) rest ""))
(hpos (progn
(add-face-text-property 0 (length rest) 'tab-bar t rest)
(string-pixel-width rest)))
(hpos (+ hpos (/ (- (frame-inner-width) hpos) 2)))
(str (propertize "" 'display
;; The `right' spec doesn't work on TTY frames
;; when windows are split horizontally (bug#59620)
(if (window-system)
`(space :align-to (- right (,hpos)))
`(space :align-to (,(- (frame-inner-width) hpos)))))))
`((align-center menu-item ,str ignore))))
(setq tab-bar-tab-name-format-function #'hy/tab-bar-tab-name-format-default)
(defun hy/tab-bar-tab-name-format-default (tab i)
(let* ((hint (format "%d" i))
(name (alist-get 'name tab))
(dir (concat "(" (alist-get 'dir tab "") ")"))
(name-format (concat
" "
(propertize hint 'face 'tab-bar-hint)
" "
name
" ")))
(add-face-text-property
0 (length name-format)
(funcall tab-bar-tab-face-function tab)
'append name-format)
name-format))
(setq tab-bar-tab-name-function #'hy/tab-bar-tab-name-current)
(defun hy/tab-bar-tab-name-current ()
(hy/shorten-string
(hy/abbreviate-tab-name
(buffer-name (window-buffer (or (minibuffer-selected-window)
(and (window-minibuffer-p)
(get-mru-window))))))
25))
(defun hy/set-tab-dir ()
(setf (alist-get 'dir (cdr (tab-bar--current-tab-find)))
(hy/tab-bar-dir)))
(defun hy/abbreviate-directory-path (path)
"Turns `~/code/test/t` into `~/c/t/project`."
(let* ((directories (seq-filter (lambda (s) (not (string= s ""))) (split-string path "/")))
(last-dir (car (last directories)))
(abbreviated-dirs (mapcar (lambda (dir)
(if (string= dir last-dir)
dir
(substring dir 0 (if (string-prefix-p "." dir) 2 1))))
directories)))
(mapconcat 'identity abbreviated-dirs "/")))
(defun hy/tab-bar-dir ()
(hy/shorten-string (hy/abbreviate-directory-path
(abbreviate-file-name
(or (projectile-project-root) default-directory)))
10
t))
(defun hy/shorten-string (string max-length &optional at-start)
(let ((len (length string)))
(if (> len max-length)
(if at-start
(concat "…" (substring string (- len max-length) len))
(concat (substring string 0 max-length) "…"))
string)))
(defun hy/abbreviate-tab-name (name)
(string-trim (replace-regexp-in-string
(rx (or "*" "helpful" "Org Src"))
"" name)))
(defun bard/toggle-window-split ()
"Toggle between horizontal and vertical window splits, preserving buffer layout."
(interactive)
(let ((current-buffers (mapcar #'window-buffer (window-list))) ; List of buffers in current windows
(split-direction (if (= (window-width) (frame-width))
'vertical
'horizontal)))
(delete-other-windows)
;; Toggle the split direction
(if (eq split-direction 'horizontal)
(split-window-vertically)
(split-window-horizontally))
;; Restore buffers to the new windows
(let ((windows (window-list)))
(cl-loop for buffer in current-buffers
for window in windows
do (set-window-buffer window buffer)))))
(provide 'bard-window)
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