251 lines
12 KiB
EmacsLisp
251 lines
12 KiB
EmacsLisp
;;; core-popup.el --- taming stray windows
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;; I use a slew of hackery to get Emacs to treat 'pop-up' windows in a sane and "modern"
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;; way (whatever that means). It goes through great lengths to tame helm, flycheck, help
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;; buffers--*even* the beast that is org-mode.
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;;
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;; Be warned, an update could break any of this.
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(use-package shackle
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:config
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(shackle-mode 1)
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(setq shackle-rules
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`(;; Debuggers
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("\\`\\*\\(g\\|zsh\\|bash\\)db.*?\\*\\'" :align below :size 20 :regexp t)
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("\\`\\*trepanjs.*?\\*\\'" :align below :size 20 :regexp t)
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("\\`\\*\\(debug:\\)haskell\\*\\'" :align below :size 20 :regexp t)
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;; Plugins
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("\\` ?\\*[hH]elm.*?\\*\\'" :align below :size 20 :select t :regexp t)
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(" ?\\*Flycheck.+\\*" :align below :size 15 :noselect t :regexp t)
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("*helm bookmarks*" :align below :size 7 :select t)
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(" *NeoTree*" :align left :select t)
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("*evil-registers*" :align below :size 0.3)
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("*quickrun*" :align below :size 10)
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("*nosetests*" :align below :size 0.4 :noselect t)
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("*esup*" :align below :size 30 :noselect t)
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("*ert*" :align below :size 20 :noselect t)
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;; vcs
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("^\\*git-gutter.+\\*$" :align below :size 0.4 :noselect t :regexp t)
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("*vc-diff*" :align below :size 0.4 :noselect t)
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("*vc-change-log*" :align below :select t)
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(vc-annotate-mode :same t)
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;; Util
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("*Apropos*" :align below :size 0.3)
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("*minor-modes*" :align below :size 0.5 :noselect t)
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;; Org
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("^\\*Org Src .+\\*$" :align below :size 0.4 :select t :regexp t)
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("^\\*Org-Babel.*\\*$" :align below :size 0.4 :regexp t)
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("^\\*Org Agenda.+" :align below :size 0.4 :regexp t)
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("*Calendar*" :align below :size 0.4)
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(" *Agenda Commands*" :align below :size 30)
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(" *Org todo*" :align below :size 5 :noselect t)
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("*Org Links*" :align below :size 5)
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;; Emacs
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("^\\*.+-Profiler-Report .+\\*$" :align below :size 0.3 :regexp t)
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("*processing-compilation*" :align below :size 10 :noselect t)
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("*Backtrace*" :align below :size 0.25 :noselect t)
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(,doom-buffer-name :align below :size 0.3 :select t)
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("*Help*" :align below :size 16 :select t)
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("*Messages*" :align below :size 15 :select t)
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("*Warnings*" :align below :size 10 :noselect t)
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("*Completions*" :align below :size 20 :noselect t)
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(debugger-mode :align below :size 0.25 :noselect t)
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(compilation-mode :noselect t)
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;; Custom + REPLs
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("*eval*" :align below :size 12)
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("^\\*doom.+\\*$" :regexp t :align below :size 12 :noselect t)
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((:custom (lambda (b &rest _)
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(when (featurep 'repl-toggle)
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(when (string-prefix-p "*" (buffer-name (get-buffer b)))
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(with-current-buffer b repl-p)))))
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:popup t :align below :size 16)))
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(defvar doom-popup-windows '()
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"A list of windows that have been opened via shackle. Do not touch this!")
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;; There is no shackle-popup hook, so I hacked one in
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(advice-add 'shackle-display-buffer :after 'doom|run-popup-hooks)
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(add-hook 'shackle-popup-hook 'doom|popup-init) ; Keep track of popups
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(add-hook 'shackle-popup-hook 'doom|hide-mode-line) ; No mode line in popups
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;; Prevents popups from messaging with windows-moving functions
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(defun doom*save-popups (orig-fun &rest args)
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(doom/popup-save (apply orig-fun args)))
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(advice-add 'doom/evil-window-move :around 'doom*save-popups))
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;;
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;; Hacks
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;;
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(after! help-mode
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;; So that help buffer links do not open in the help popup, we need to redefine these
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;; three button types to use `switch-to-buffer-other-window' rather than
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;; `pop-to-buffer'. Instead of lambas these help-functions should be function symbols,
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;; so that we could advise those instead of clumsify redefine these button types.
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(define-button-type 'help-function-def
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:supertype 'help-xref
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'help-function (lambda (fun file)
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(require 'find-func)
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(when (eq file 'C-source)
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(setq file (help-C-file-name (indirect-function fun) 'fun)))
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(let ((location
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(find-function-search-for-symbol fun nil file)))
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(switch-to-buffer-other-window (car location))
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(if (cdr location)
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(goto-char (cdr location))
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(message "Unable to find location in file"))))
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'help-echo (purecopy "mouse-2, RET: find function's definition"))
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(define-button-type 'help-variable-def
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:supertype 'help-xref
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'help-function (lambda (var &optional file)
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(when (eq file 'C-source)
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(setq file (help-C-file-name var 'var)))
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(let ((location (find-variable-noselect var file)))
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(switch-to-buffer-other-window (car location))
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(if (cdr location)
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(goto-char (cdr location))
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(message "Unable to find location in file"))))
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'help-echo (purecopy "mouse-2, RET: find variable's definition"))
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(define-button-type 'help-face-def
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:supertype 'help-xref
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'help-function (lambda (fun file)
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(require 'find-func)
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(let ((location
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(find-function-search-for-symbol fun 'defface file)))
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(switch-to-buffer-other-window (car location))
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(if (cdr location)
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(goto-char (cdr location))
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(message "Unable to find location in file"))))
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'help-echo (purecopy "mouse-2, RET: find face's definition")))
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(after! helm
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;; This is a good alternative to either popwin or shackle, specifically for helm. If
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;; either fail me (for the last time), this is where I'll turn.
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;;(add-to-list 'display-buffer-alist
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;; `(,(rx bos "*helm" (* not-newline) "*" eos)
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;; (display-buffer-in-side-window)
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;; (inhibit-same-window . t)
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;; (window-height . 0.4)))
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;; Helm tries to clean up after itself, but shackle has already done this. This fixes
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;; that. To reproduce, add a helm rule in `shackle-rules', open two splits
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;; side-by-side, move to the buffer on the right and invoke helm. It will close all
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;; but the left-most buffer.
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(setq-default helm-reuse-last-window-split-state t
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helm-split-window-in-side-p t))
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(after! helm-swoop
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(setq helm-swoop-split-window-function (lambda ($buf) (doom/popup-buffer $buf))))
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(after! helm-ag
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;; Helm-ag needs a little coaxing for it to cooperate with shackle. Mostly to prevent
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;; it from switching between windows and buffers.
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(defadvice helm-ag--edit-abort (around helm-ag-edit-abort-popup-compat activate)
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(cl-letf (((symbol-function 'select-window) 'ignore)) ad-do-it)
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(doom/popup-close nil t t))
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(defadvice helm-ag--edit-commit (around helm-ag-edit-commit-popup-compat activate)
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(cl-letf (((symbol-function 'select-window) 'ignore)) ad-do-it)
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(doom/popup-close nil t t))
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(defadvice helm-ag--edit (around helm-ag-edit-popup-compat activate)
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(cl-letf (((symbol-function 'other-window) 'ignore)
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((symbol-function 'switch-to-buffer) 'doom/popup-buffer))
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ad-do-it)))
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(after! quickrun
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;; This allows us to run code several times in a row without having to close the popup
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;; window and move back to the code buffer.
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(defun doom*quickrun-close-popup (&optional _ _ _ _)
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(let* ((buffer (get-buffer quickrun/buffer-name))
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(window (and buffer (get-buffer-window buffer))))
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(when buffer
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(shut-up! (quickrun/kill-running-process))
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(doom/popup-close window nil t))))
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(advice-add 'quickrun :before 'doom*quickrun-close-popup)
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(advice-add 'quickrun-region :before 'doom*quickrun-close-popup)
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;; Turns on `nlinum-mode', and ensures window is scrolled to EOF
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(defun doom|quickrun-after-run ()
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(let ((window (get-buffer-window quickrun/buffer-name)))
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(with-selected-window window
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(goto-char (point-min)))))
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(add-hook 'quickrun-after-run-hook 'doom|quickrun-after-run)
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(add-hook 'quickrun/mode-hook 'doom|hide-mode-line))
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(add-hook! org-load
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;; This ensures org-src-edit yields control of its buffer to shackle.
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(defun org-src-switch-to-buffer (buffer context)
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(pop-to-buffer buffer))
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;; And these for org-todo, org-link and agenda
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(defun org-pop-to-buffer-same-window (&optional buffer-or-name norecord label)
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"Pop to buffer specified by BUFFER-OR-NAME in the selected window."
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(display-buffer buffer-or-name))
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(defun org-switch-to-buffer-other-window (&rest args)
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(mapc (lambda (b)
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(let ((buf (if (stringp b) (get-buffer-create b) b)))
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(pop-to-buffer buf t t)))
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args))
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;; Taming Org-agenda!
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(defun doom/org-agenda-quit ()
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"Necessary to finagle org-agenda into shackle popups and behave properly on quit."
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(interactive)
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(if org-agenda-columns-active
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(org-columns-quit)
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(let ((buf (current-buffer)))
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(and (not (eq org-agenda-window-setup 'current-window))
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(not (one-window-p))
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(delete-window))
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(kill-buffer buf)
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(setq org-agenda-archives-mode nil
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org-agenda-buffer nil))))
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(map! :map org-agenda-mode-map
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:e "<escape>" 'doom/org-agenda-quit
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:e "ESC" 'doom/org-agenda-quit
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:e [escape] 'doom/org-agenda-quit
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"q" 'doom/org-agenda-quit
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"Q" 'doom/org-agenda-quit))
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(after! realgud
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;; This allows realgud debuggers to run in a popup.
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;; TODO Find a more elegant advice-based solution
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;; FIXME Causes realgud:cmd-* to focus popup on every invocation
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(defun realgud:run-process(debugger-name script-filename cmd-args minibuffer-history &optional no-reset)
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(let ((cmd-buf))
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(setq cmd-buf
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(apply 'realgud-exec-shell debugger-name script-filename
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(car cmd-args) no-reset (cdr cmd-args)))
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(let ((process (get-buffer-process cmd-buf)))
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(if (and process (eq 'run (process-status process)))
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(progn
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(pop-to-buffer cmd-buf)
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(define-key evil-emacs-state-local-map (kbd "ESC ESC") 'doom/debug-quit)
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(realgud:track-set-debugger debugger-name)
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(realgud-cmdbuf-info-in-debugger?= 't)
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(realgud-cmdbuf-info-cmd-args= cmd-args)
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(when cmd-buf
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(switch-to-buffer cmd-buf)
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(when realgud-cmdbuf-info
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(let* ((info realgud-cmdbuf-info)
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(cmd-args (realgud-cmdbuf-info-cmd-args info))
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(cmd-str (mapconcat 'identity cmd-args " ")))
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(set minibuffer-history
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(list-utils-uniq (cons cmd-str (eval minibuffer-history))))))))
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;; else
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(progn
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(if cmd-buf (switch-to-buffer cmd-buf))
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(message "Error running command: %s" (mapconcat 'identity cmd-args " ")))))
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cmd-buf)))
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(provide 'core-popup)
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;;; core-popup.el ends here
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