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72 lines
2.3 KiB
72 lines
2.3 KiB
;;; lv.el --- Other echo area |
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;; Copyright (C) 2015 Free Software Foundation, Inc. |
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;; Author: Oleh Krehel |
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;; This file is part of GNU Emacs. |
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;; GNU Emacs 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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;; GNU Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
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;;; Commentary: |
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;; |
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;; This package provides `lv-message' intended to be used in place of |
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;; `message' when semi-permanent hints are needed, in order to not |
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;; interfere with Echo Area. |
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;; |
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;; "Я тихо-тихо пiдглядаю, |
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;; І тiшуся собi, як бачу то, |
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;; Шо страшить i не пiдпускає, |
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;; А iншi п’ють тебе, як воду пiсок." |
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;; -- Андрій Кузьменко, L.V. |
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;;; Code: |
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(defvar lv-wnd nil |
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"Holds the current LV window.") |
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(defun lv-window () |
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"Ensure that LV window is live and return it." |
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(if (window-live-p lv-wnd) |
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lv-wnd |
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(let ((ori (selected-window)) |
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buf) |
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(prog1 (setq lv-wnd |
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(select-window |
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(split-window |
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(frame-root-window) -1 'below))) |
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(if (setq buf (get-buffer "*LV*")) |
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(switch-to-buffer buf) |
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(switch-to-buffer "*LV*") |
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(setq truncate-lines nil) |
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(setq mode-line-format nil) |
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(setq cursor-type nil) |
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(set-window-dedicated-p lv-wnd t)) |
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(select-window ori))))) |
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(defun lv-message (format-string &rest args) |
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"Set LV window contents to (`format' FORMAT-STRING ARGS)." |
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(let ((ori (selected-window)) |
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(str (apply #'format format-string args))) |
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(select-window (lv-window)) |
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(unless (string= (buffer-string) str) |
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(delete-region (point-min) (point-max)) |
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(insert str) |
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(fit-window-to-buffer nil nil 2)) |
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(goto-char (point-min)) |
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(select-window ori))) |
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(provide 'lv) |
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;;; lv.el ends here
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