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Diffstat (limited to 'elpa/evil-20220510.2302/evil-command-window.el')
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1 files changed, 189 insertions, 0 deletions
diff --git a/elpa/evil-20220510.2302/evil-command-window.el b/elpa/evil-20220510.2302/evil-command-window.el new file mode 100644 index 0000000..b4c2b1a --- /dev/null +++ b/elpa/evil-20220510.2302/evil-command-window.el @@ -0,0 +1,189 @@ +;;; evil-command-window.el --- Evil command line window implementation -*- lexical-binding: t -*- +;; Author: Emanuel Evans <emanuel.evans at gmail.com> +;; Maintainer: Vegard Øye <vegard_oye at hotmail.com> + +;; Version: 1.15.0 + +;; +;; This file is NOT part of GNU Emacs. + +;;; License: + +;; This file is part of Evil. +;; +;; Evil is free software: you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. +;; +;; Evil is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. +;; +;; You should have received a copy of the GNU General Public License +;; along with Evil. If not, see <http://www.gnu.org/licenses/>. + +;;; Commentary: + +;; This provides an implementation of the vim command line window for +;; editing and repeating past ex commands and searches. + +;;; Code: + +(require 'evil-vars) +(require 'evil-common) +(require 'evil-search) +(require 'evil-ex) + +(defvar evil-search-module) + +(define-derived-mode evil-command-window-mode fundamental-mode "Evil-cmd" + "Major mode for the Evil command line window." + (auto-fill-mode 0) + (setq-local after-change-functions (cons 'evil-command-window-draw-prefix + after-change-functions))) + +(defun evil-command-window (hist cmd-key execute-fn) + "Open a command line window for HIST with CMD-KEY and EXECUTE-FN. +HIST should be a list of commands. CMD-KEY should be the string of +the key whose history is being shown (one of \":\", \"/\", or +\"?\"). EXECUTE-FN should be a function of one argument to +execute on the result that the user selects." + (when (eq major-mode 'evil-command-window-mode) + (user-error "Cannot recursively open command line window")) + (dolist (win (window-list)) + (when (equal (buffer-name (window-buffer win)) + "*Command Line*") + (kill-buffer (window-buffer win)) + (delete-window win))) + (split-window nil + (unless (zerop evil-command-window-height) + evil-command-window-height) + 'above) + (setq evil-command-window-current-buffer (current-buffer)) + (ignore-errors (kill-buffer "*Command Line*")) + (switch-to-buffer "*Command Line*") + (setq-local evil-command-window-execute-fn execute-fn) + (setq-local evil-command-window-cmd-key cmd-key) + (evil-command-window-mode) + (evil-command-window-insert-commands hist)) + +(defun evil-command-window-ex (&optional current-command execute-fn) + "Open a command line window for editing and executing ex commands. +If CURRENT-COMMAND is present, it will be inserted under the +cursor as the current command to be edited. If EXECUTE-FN is given, +it will be used as the function to execute instead of +`evil-command-window-ex-execute', the default." + (interactive) + (evil-command-window (cons (or current-command "") evil-ex-history) + ":" + (or execute-fn 'evil-command-window-ex-execute))) + +(defun evil-ex-command-window () + "Start command window with ex history and current minibuffer content." + (interactive) + (let ((current (minibuffer-contents)) + (config (current-window-configuration))) + (evil-ex-teardown) + (select-window (minibuffer-selected-window) t) + (evil-command-window-ex current (apply-partially 'evil-ex-command-window-execute config)))) + +(defun evil-ex-search-command-window () + "Start command window with search history and current minibuffer content." + (interactive) + (let ((current (minibuffer-contents)) + (config (current-window-configuration))) + (select-window (minibuffer-selected-window) t) + (evil-command-window (cons current evil-ex-search-history) + (evil-search-prompt (eq evil-ex-search-direction 'forward)) + (apply-partially 'evil-ex-command-window-execute config)))) + +(defun evil-command-window-execute () + "Execute the command under the cursor in the appropriate buffer. +The local var `evil-command-window-execute-fn' determines which +function to execute." + (interactive) + (let ((result (buffer-substring (line-beginning-position) + (line-end-position))) + (execute-fn evil-command-window-execute-fn) + (command-window (get-buffer-window))) + (select-window (previous-window)) + (unless (equal evil-command-window-current-buffer (current-buffer)) + (user-error "Originating buffer is no longer active")) + (kill-buffer "*Command Line*") + (delete-window command-window) + (funcall execute-fn result) + (setq evil-command-window-current-buffer nil))) + +(defun evil-command-window-ex-execute (result) + "Execute RESULT as an ex command in the appropriate buffer." + (unless (string-match-p "^ *$" result) + (unless (equal result (car evil-ex-history)) + (setq evil-ex-history (cons result evil-ex-history))) + (let ((evil-ex-current-buffer evil-command-window-current-buffer)) + (evil-ex-execute result)))) + +(defun evil-command-window-search-forward () + "Open a command line window for forward searches." + (interactive) + (evil-command-window (cons "" + (if (eq evil-search-module 'evil-search) + evil-ex-search-history + evil-search-forward-history)) + "/" + (lambda (result) + (evil-command-window-search-execute result t)))) + +(defun evil-command-window-search-backward () + "Open a command line window for backward searches." + (interactive) + (evil-command-window (cons "" + (if (eq evil-search-module 'evil-search) + evil-ex-search-history + evil-search-backward-history)) + "?" + (lambda (result) + (evil-command-window-search-execute result nil)))) + +(defun evil-command-window-search-execute (result forward) + "Search for RESULT using FORWARD to determine direction." + (unless (zerop (length result)) + + (if (eq evil-search-module 'evil-search) + (progn + (setq evil-ex-search-pattern (evil-ex-make-search-pattern result) + evil-ex-search-direction (if forward 'forward 'backward)) + (unless (equal result (car-safe evil-ex-search-history)) + (push result evil-ex-search-history)) + (evil-ex-search)) + (if forward + (unless (equal result (car-safe evil-search-forward-history)) + (push result evil-search-forward-history)) + (unless (equal result (car-safe evil-search-backward-history)) + (push result evil-search-backward-history))) + (evil-search result forward evil-regexp-search)))) + +(defun evil-command-window-draw-prefix (&rest ignored) + "Display `evil-command-window-cmd-key' as a prefix to the current line. +Parameters passed in through IGNORED are ignored." + (let ((prefix (propertize evil-command-window-cmd-key + 'font-lock-face 'minibuffer-prompt))) + (set-text-properties (line-beginning-position) (line-beginning-position 2) + (list 'line-prefix prefix)))) + +(defun evil-command-window-insert-commands (hist) + "Insert the commands in HIST." + (let ((inhibit-modification-hooks t)) + (mapc #'(lambda (cmd) (insert cmd) (newline)) hist) + (reverse-region (point-min) (point-max))) + (let ((prefix (propertize evil-command-window-cmd-key + 'font-lock-face 'minibuffer-prompt))) + (set-text-properties (point-min) (point-max) (list 'line-prefix prefix))) + (goto-char (point-max)) + (when (and (bolp) (not (bobp))) (backward-char)) + (evil-adjust-cursor)) + +(provide 'evil-command-window) + +;;; evil-command-window.el ends here |