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122 lines
5.0 KiB
122 lines
5.0 KiB
;;; cider-popup.el --- Creating and quitting popup buffers -*- lexical-binding: t; -*- |
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;; Copyright (C) 2015 Artur Malabarba |
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;; Author: Artur Malabarba <bruce.connor.am@gmail.com> |
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;; This program is free software; you can redistribute it and/or modify |
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;; it under the terms of the GNU General Public License as published by |
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;; the Free Software Foundation, either version 3 of the License, or |
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;; (at your option) any later version. |
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;; This program is distributed in the hope that it will be useful, |
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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;; GNU General Public License for more details. |
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;; You should have received a copy of the GNU General Public License |
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;; along with this program. If not, see <http://www.gnu.org/licenses/>. |
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;;; Code: |
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(require 'nrepl-client) |
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(require 'cider-compat) |
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(define-minor-mode cider-popup-buffer-mode |
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"Mode for CIDER popup buffers" |
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nil |
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(" cider-tmp") |
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'(("q" . cider-popup-buffer-quit-function))) |
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(defvar-local cider-popup-buffer-quit-function #'cider-popup-buffer-quit |
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"The function that is used to quit a temporary popup buffer.") |
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(defun cider-popup-buffer-quit-function (&optional kill-buffer-p) |
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"Wrapper to invoke the function `cider-popup-buffer-quit-function'. |
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KILL-BUFFER-P is passed along." |
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(interactive) |
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(funcall cider-popup-buffer-quit-function kill-buffer-p)) |
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(defun cider-popup-buffer (name &optional select mode ancillary) |
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"Create new popup buffer called NAME. |
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If SELECT is non-nil, select the newly created window. |
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If major MODE is non-nil, enable it for the popup buffer. |
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If ANCILLARY is non-nil, the buffer is added to `cider-ancillary-buffers' |
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and automatically removed when killed." |
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(thread-first (cider-make-popup-buffer name mode ancillary) |
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(cider-popup-buffer-display select))) |
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(defun cider-popup-buffer-display (buffer &optional select) |
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"Display BUFFER. |
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If SELECT is non-nil, select the BUFFER." |
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(let ((window (get-buffer-window buffer))) |
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(when window |
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(with-current-buffer buffer |
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(set-window-point window (point)))) |
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;; If the buffer we are popping up is already displayed in the selected |
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;; window, the below `inhibit-same-window' logic will cause it to be |
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;; displayed twice - so we early out in this case. Note that we must check |
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;; `selected-window', as async request handlers are executed in the context |
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;; of the current connection buffer (i.e. `current-buffer' is dynamically |
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;; bound to that). |
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(unless (eq window (selected-window)) |
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;; Non nil `inhibit-same-window' ensures that current window is not covered |
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(if select |
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(pop-to-buffer buffer `(nil . ((inhibit-same-window . ,pop-up-windows)))) |
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(display-buffer buffer `(nil . ((inhibit-same-window . ,pop-up-windows))))))) |
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buffer) |
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(defun cider-popup-buffer-quit (&optional kill) |
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"Quit the current (temp) window and bury its buffer using `quit-restore-window'. |
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If prefix argument KILL is non-nil, kill the buffer instead of burying it." |
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(interactive) |
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(quit-restore-window (selected-window) (if kill 'kill 'append))) |
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(defvar-local cider-popup-output-marker nil) |
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(defvar cider-ancillary-buffers (list nrepl-message-buffer-name)) |
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(defun cider-make-popup-buffer (name &optional mode ancillary) |
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"Create a temporary buffer called NAME using major MODE (if specified). |
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If ANCILLARY is non-nil, the buffer is added to `cider-ancillary-buffers' |
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and automatically removed when killed." |
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(with-current-buffer (get-buffer-create name) |
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(kill-all-local-variables) |
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(setq buffer-read-only nil) |
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(erase-buffer) |
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(when mode |
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(funcall mode)) |
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(cider-popup-buffer-mode 1) |
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(setq cider-popup-output-marker (point-marker)) |
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(setq buffer-read-only t) |
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(when ancillary |
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(add-to-list 'cider-ancillary-buffers name) |
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(add-hook 'kill-buffer-hook |
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(lambda () (setq cider-ancillary-buffers (remove name cider-ancillary-buffers))) |
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nil 'local)) |
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(current-buffer))) |
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(defun cider-emit-into-popup-buffer (buffer value &optional face) |
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"Emit into BUFFER the provided VALUE." |
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;; Long string output renders emacs unresponsive and users might intentionally |
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;; kill the frozen popup buffer. Therefore, we don't re-create the buffer and |
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;; silently ignore the output. |
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(when (buffer-live-p buffer) |
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(with-current-buffer buffer |
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(let ((inhibit-read-only t) |
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(buffer-undo-list t) |
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(moving (= (point) cider-popup-output-marker))) |
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(save-excursion |
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(goto-char cider-popup-output-marker) |
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(let ((value-str (format "%s" value))) |
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(when face |
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(if (fboundp 'add-face-text-property) |
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(add-face-text-property 0 (length value-str) face nil value-str) |
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(add-text-properties 0 (length value-str) (list 'face face) value-str))) |
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(insert value-str)) |
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(indent-sexp) |
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(set-marker cider-popup-output-marker (point))) |
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(when moving (goto-char cider-popup-output-marker)))))) |
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(provide 'cider-popup) |
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;;; cider-popup.el ends here
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