425 lines
16 KiB
EmacsLisp
425 lines
16 KiB
EmacsLisp
;;; core/autoload/popups.el -*- lexical-binding: t; -*-
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;;;###autoload
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(defun doom-popup-p (&optional target)
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"Return t if TARGET (a window or buffer) is a popup. Uses current window if
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omitted."
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(when-let* ((target (or target (selected-window))))
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(cond ((bufferp target)
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(and (buffer-live-p target)
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(buffer-local-value 'doom-popup-mode target)))
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((windowp target)
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(and (window-live-p target)
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(window-parameter target 'popup))))))
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;;;###autoload
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(defun doom-popup-buffer (buffer &optional plist extend-p)
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"Display BUFFER in a shackle popup with PLIST rules. See `shackle-rules' for
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possible rules. If EXTEND-P is non-nil, don't overwrite the original rules for
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this popup, just the specified properties. Returns the new popup window."
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(declare (indent defun))
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(unless (bufferp buffer)
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(error "%s is not a valid buffer" buffer))
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(shackle-display-buffer
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buffer
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nil (or (if extend-p
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(append plist (shackle-match buffer))
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plist)
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(shackle-match buffer))))
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;;;###autoload
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(defun doom-popup-switch-to-buffer (buffer)
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"Switch the current (or closest) pop-up window to BUFFER."
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(unless (doom-popup-p)
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(if-let* ((popups (doom-popup-windows)))
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(select-window (car popups))
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(error "No popups to switch to")))
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(set-window-dedicated-p nil nil)
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(switch-to-buffer buffer nil t)
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(prog1 (selected-window)
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(set-window-dedicated-p nil t)))
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;;;###autoload
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(defun doom-popup-fit-to-buffer (&optional window max-size)
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"Fit WINDOW to the size of its content."
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(unless (string-empty-p (buffer-string))
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(let* ((window-size (doom-popup-size window))
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(max-size (or max-size (doom-popup-property :size window)))
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(size (+ 2 (if (floatp max-size) (truncate (* max-size window-size)) window-size))))
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(fit-window-to-buffer window size nil size))))
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;;;###autoload
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(defun doom-popup-move (direction)
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"Move a popup window to another side of the frame, in DIRECTION, which can be
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one of the following: 'left 'right 'above 'below"
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(when (doom-popup-p)
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(let ((buffer (current-buffer))
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(doom-popup-inhibit-autokill t))
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(doom/popup-close)
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(doom-popup-buffer buffer `(:align ,direction) 'extend))))
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;;;###autoload
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(defun doom-popup-file (file &optional plist extend-p)
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"Display FILE in a shackle popup, with PLIST rules. See `shackle-rules' for
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possible rules."
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(unless (file-exists-p file)
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(user-error "Can't display file in popup, it doesn't exist: %s" file))
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(doom-popup-buffer (find-file-noselect file t) plist extend-p))
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;;;###autoload
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(defun doom-popup-windows (&optional filter-static-p)
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"Get a list of open pop up windows."
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(cl-loop for window in doom-popup-windows
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if (and (doom-popup-p window)
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(not (and filter-static-p
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(doom-popup-property :static window))))
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collect window))
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;;;###autoload
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(defun doom-popup-properties (window-or-buffer)
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"Returns a window's popup property list, if possible. The buffer-local
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`doom-popup-rules' always takes priority, but this will fall back to the popup
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window parameter."
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(cond ((windowp window-or-buffer)
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(or (window-parameter window-or-buffer 'popup)
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(doom-popup-properties (window-buffer window-or-buffer))))
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((bufferp window-or-buffer)
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(buffer-local-value 'doom-popup-rules window-or-buffer))))
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;;;###autoload
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(defun doom-popup-property (prop &optional window)
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"Returns a `doom-popup-rules' PROPerty from WINDOW."
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(or (plist-get (doom-popup-properties (or window (selected-window)))
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prop)
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(pcase prop
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(:size shackle-default-size)
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(:align shackle-default-alignment))))
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;;;###autoload
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(defun doom-popup-side (&optional window)
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"Return what side a popup WINDOW came from ('left 'right 'above or 'below)."
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(let ((align (doom-popup-property :align window)))
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(when (eq align t)
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(setq align shackle-default-alignment))
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(when (functionp align)
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(setq align (funcall align)))
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align))
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;;;###autoload
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(defun doom-popup-size (&optional window)
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"Return the size of a popup WINDOW."
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(pcase (doom-popup-side window)
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((or 'left 'right) (window-width window))
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((or 'above 'below) (window-height window))))
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(defun doom--popup-data (window)
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(when-let* ((buffer (window-buffer window)))
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`(,(buffer-name buffer)
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:file ,(buffer-file-name buffer)
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:rules ,(window-parameter window 'popup)
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:size ,(doom-popup-size window))))
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;;;###autoload
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(defmacro with-popup-rules! (rules &rest body)
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"TODO"
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(declare (indent defun))
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`(let (shackle-rules)
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,@(cl-loop for rule in rules
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collect `(set! :popup ,@rule))
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,@body))
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;;;###autoload
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(defmacro save-popups! (&rest body)
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"Sets aside all popups before executing the original function, usually to
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prevent the popup(s) from messing up the UI (or vice versa)."
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`(let ((in-popup-p (doom-popup-p))
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(popups (doom-popup-windows))
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(doom-popup-remember-history t)
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(doom-popup-inhibit-autokill t))
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(when popups
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(mapc #'doom/popup-close popups))
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(unwind-protect
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(progn ,@body)
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(when popups
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(let ((origin (selected-window)))
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(doom/popup-restore)
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(unless in-popup-p
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(select-window origin)))))))
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;; --- Commands ---------------------------
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;;;###autoload
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(defun doom/popup-restore ()
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"Restore the last open popups. If the buffers have been killed, and
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represented real files, they will be restored. Dead special buffers or buffers
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with non-nil :autokill properties will not be.
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Returns t if popups were restored, nil otherwise."
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(interactive)
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(unless doom-popup-history
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(error "No popups to restore"))
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(let (any-p)
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(dolist (spec doom-popup-history)
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(let ((buffer (get-buffer (car spec)))
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(file (plist-get (cdr spec) :file))
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(rules (plist-get (cdr spec) :rules))
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(size (plist-get (cdr spec) :size)))
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(when (and (not buffer) file)
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(setq buffer
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(if-let* ((buf (get-file-buffer file)))
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(clone-indirect-buffer (buffer-name buf) nil t)
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(find-file-noselect file t))))
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(when size
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(setq rules (plist-put rules :size size)))
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(when (and buffer (doom-popup-buffer buffer rules) (not any-p))
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(setq any-p t))))
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(when any-p
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(setq doom-popup-history '()))
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any-p))
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;;;###autoload
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(defun doom/popup-toggle ()
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"Toggle popups on and off. If used outside of popups (and popups are
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available), it will select the nearest popup window."
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(interactive)
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(when (doom-popup-p)
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(if doom-popup-other-window
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(select-window doom-popup-other-window)
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(other-window 1)))
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(if (doom-popup-windows t)
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(let ((doom-popup-inhibit-autokill t))
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(doom/popup-close-all t))
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(doom/popup-restore)))
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;;;###autoload
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(defun doom/popup-close (&optional window)
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"Find and close WINDOW if it's a popup. If WINDOW is omitted, defaults to
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`selected-window'. The contained buffer is buried, unless it has an :autokill
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property."
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(interactive)
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(when (doom-popup-p window)
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(delete-window (or window (selected-window)))))
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;;;###autoload
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(defun doom/popup-close-all (&optional force-p)
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"Closes most open popups.
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Does not close popups that are :static or don't have an :autoclose property (see
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`shackle-rules').
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If FORCE-P is non-nil (or this function is called interactively), ignore popups'
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:autoclose property. This command will never close :static popups."
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(interactive
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(list (called-interactively-p 'interactive)))
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(when-let* ((popups (doom-popup-windows t)))
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(let (success doom-popup-remember-history)
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(setq doom-popup-history (delq nil (mapcar #'doom--popup-data popups)))
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(dolist (window popups success)
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(when (or force-p (doom-popup-property :autoclose window))
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(delete-window window)
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(setq success t))))))
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;;;###autoload
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(defun doom/popup-kill-all ()
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"Like `doom/popup-close-all', but kill *all* popups, including :static ones,
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without leaving any trace behind (muahaha)."
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(interactive)
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(when-let* ((popups (doom-popup-windows)))
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(let (doom-popup-remember-history)
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(setq doom-popup-history nil)
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(mapc #'delete-window popups))))
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;;;###autoload
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(defun doom/popup-close-maybe ()
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"Close the current popup *if* its window doesn't have a noesc parameter."
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(interactive)
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(if (doom-popup-property :noesc)
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(call-interactively
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(if (featurep 'evil)
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#'evil-force-normal-state
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#'keyboard-quit))
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(delete-window)))
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;;;###autoload
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(defun doom/popup-this-buffer ()
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"Display currently selected buffer in a popup window."
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(interactive)
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(doom-popup-buffer (current-buffer) '(:align t :autokill t)))
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;;;###autoload
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(defun doom/popup-toggle-messages ()
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"Toggle *Messages* buffer."
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(interactive)
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(if-let* ((win (get-buffer-window "*Messages*")))
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(doom/popup-close win)
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(doom-popup-buffer (get-buffer "*Messages*"))))
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;;;###autoload
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(defun doom/other-popup (count)
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"Cycle through popup windows. Like `other-window', but for popups."
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(interactive "p")
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(if-let* ((popups (if (doom-popup-p)
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(cdr (memq (selected-window) doom-popup-windows))
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(setq doom-popup-other-window (selected-window))
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doom-popup-windows)))
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(ignore-errors (select-window (nth (mod (1- count) (length popups)) popups)))
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(unless (eq (selected-window) doom-popup-other-window)
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(when doom-popup-other-window
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(select-window doom-popup-other-window t)
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(cl-decf count))
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(when (/= count 0)
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(other-window count)))))
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;;;###autoload
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(defalias 'other-popup #'doom/other-popup)
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;;;###autoload
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(defun doom/popup-raise (&optional window)
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"Turn a popup window into a normal window."
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(interactive)
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(let ((window (or window (selected-window))))
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(unless (doom-popup-p window)
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(user-error "Not a valid popup to raise"))
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(with-selected-window window
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(doom-popup-mode -1))))
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;;;###autoload
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(defun doom/popup-move-top () "See `doom-popup-move'." (interactive) (doom-popup-move 'above))
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;;;###autoload
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(defun doom/popup-move-bottom () "See `doom-popup-move'." (interactive) (doom-popup-move 'below))
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;;;###autoload
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(defun doom/popup-move-left () "See `doom-popup-move'." (interactive) (doom-popup-move 'left))
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;;;###autoload
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(defun doom/popup-move-right () "See `doom-popup-move'." (interactive) (doom-popup-move 'right))
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;; --- doom-popup-mode --------------------
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;;;###autoload
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(define-minor-mode doom-popup-mode
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"Minor mode for popup windows."
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:init-value nil
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:keymap doom-popup-mode-map
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(let ((window (selected-window)))
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;; If `doom-popup-rules' isn't set for some reason, try to set it
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(setq-local doom-popup-rules (doom-popup-properties window))
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;; Ensure that buffer-opening functions/commands (like
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;; `switch-to-buffer-other-window' won't use this window).
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(set-window-parameter window 'no-other-window doom-popup-mode)
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;; Makes popup window resist interactively changing its buffer.
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(set-window-dedicated-p window doom-popup-mode)
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(cond (doom-popup-mode
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(when doom-popup-no-fringes
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(set-window-fringes window 0 0 fringes-outside-margins))
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;; Save metadata into window parameters so it can be saved by window
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;; config persisting plugins like workgroups or persp-mode.
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(set-window-parameter window 'popup (or doom-popup-rules t))
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(when doom-popup-rules
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(cl-loop for param in doom-popup-window-parameters
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when (plist-get doom-popup-rules param)
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do (set-window-parameter window param it))))
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(t
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(when doom-popup-no-fringes
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(set-window-fringes window
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doom-fringe-size doom-fringe-size
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fringes-outside-margins))
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;; Ensure window parameters are cleaned up
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(set-window-parameter window 'popup nil)
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(dolist (param doom-popup-window-parameters)
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(set-window-parameter window param nil))))))
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(put 'doom-popup-mode 'permanent-local t)
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;;;###autoload
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(defun doom|hide-modeline-in-popup ()
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"Don't show modeline in popup windows without a :modeline rule. If one exists
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and it's a symbol, use `doom-modeline' to grab the format. If non-nil, show the
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mode-line as normal. If nil (or omitted, by default), then hide the modeline
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entirely."
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(if doom-popup-mode
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(let ((modeline (plist-get doom-popup-rules :modeline)))
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(cond ((or (eq modeline 'nil)
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(not modeline))
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(doom-hide-modeline-mode +1))
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((and (symbolp modeline)
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(not (eq modeline 't)))
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(setq-local doom--modeline-format (doom-modeline modeline))
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(when doom--modeline-format
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(doom-hide-modeline-mode +1)))))
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(when doom-hide-modeline-mode
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(doom-hide-modeline-mode -1))))
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;; --- Advice functions -------------------
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;;;###autoload
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(defun doom*shackle-always-align (plist)
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"Ensure popups are always aligned and selected by default. Eliminates the need
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for :align t on every rule."
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(when plist
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(unless (or (plist-member plist :align)
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(plist-member plist :same)
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(plist-member plist :frame))
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(plist-put plist :align t))
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(unless (or (plist-member plist :select)
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(plist-member plist :noselect))
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(plist-put plist :select t)))
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plist)
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;;;###autoload
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(defun doom*popup-init (orig-fn &rest args)
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"Initializes a window as a popup window by enabling `doom-popup-mode' in it
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and setting `doom-popup-rules' within it. Returns the window."
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(unless (doom-popup-p)
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(setq doom-popup-other-window (selected-window)))
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(let* ((target (car args))
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(plist (or (nth 2 args)
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(cond ((windowp target)
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(and (window-live-p target)
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(shackle-match (window-buffer target))))
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((bufferp target)
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(and (buffer-live-p target)
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(shackle-match target))))))
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(buffer (get-buffer target))
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(window-min-height (if (plist-get plist :modeline) 4 2))
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window)
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(when (and (doom-real-buffer-p buffer)
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(get-buffer-window-list buffer nil t))
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(setq plist (append (list :autokill t) plist))
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(setcar args (clone-indirect-buffer (buffer-name target) nil t)))
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(unless (setq window (apply orig-fn args))
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(error "No popup window was found for %s: %s" target plist))
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(cl-pushnew window doom-popup-windows :test #'eq)
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(with-selected-window window
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(unless (eq plist t)
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(setq-local doom-popup-rules plist))
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(doom-popup-mode +1)
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(when (plist-get plist :autofit)
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(doom-popup-fit-to-buffer window)))
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window))
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;;;###autoload
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(defun doom*popups-save (orig-fn &rest args)
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"Sets aside all popups before executing the original function, usually to
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prevent the popup(s) from messing up the UI (or vice versa)."
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(save-popups! (apply orig-fn args)))
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;;;###autoload
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(defun doom*delete-popup-window (&optional window)
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"Ensure that popups are deleted properly, and killed if they have :autokill
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properties."
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(or window (setq window (selected-window)))
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(when (doom-popup-p window)
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(setq doom-popup-windows (delq window doom-popup-windows))
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(when doom-popup-remember-history
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(setq doom-popup-history (list (doom--popup-data window))))
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(let ((autokill-p (and (not doom-popup-inhibit-autokill)
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(doom-popup-property :autokill window))))
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(with-selected-window window
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(doom-popup-mode -1)
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(when autokill-p
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(when-let* ((process (get-buffer-process (current-buffer))))
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(set-process-query-on-exit-flag process nil))
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(kill-buffer (current-buffer)))))))
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