89 lines
3.6 KiB
EmacsLisp
89 lines
3.6 KiB
EmacsLisp
;; (C) Copyright Collin J. Doering 2014
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;;
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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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;;
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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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;;
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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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;; File: window-management.el
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;; Author: Collin J. Doering <collin.doering@rekahsoft.ca>
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;; Date: Oct 22, 2014
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;; Use this function to create a X11 emacs frame with a static name so it can
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;; be treated specially by xmonad (as a scratch-pad in this case). This is expected
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;; to be run from command-line like so:
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;; emacsclient --eval '(make-frame-with-static-name "emacs-scratch")'
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(defun make-frame-with-static-name (given-name)
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"Makes a (X11) frame with a unchanging name for the purposes of finding it with
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a window manager, and treating it specially."
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(select-frame (make-frame `((name . ,given-name)))))
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;; Toggles windows split orientation of 2 adjecent windows
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;; Thanks to http://www.emacswiki.org/cgi-bin/wiki?ToggleWindowSplit
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(defun toggle-window-split ()
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(interactive)
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(if (= (count-windows) 2)
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(let* ((this-win-buffer (window-buffer))
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(next-win-buffer (window-buffer (next-window)))
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(this-win-edges (window-edges (selected-window)))
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(next-win-edges (window-edges (next-window)))
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(this-win-2nd (not (and (<= (car this-win-edges)
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(car next-win-edges))
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(<= (cadr this-win-edges)
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(cadr next-win-edges)))))
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(splitter
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(if (= (car this-win-edges)
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(car (window-edges (next-window))))
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'split-window-horizontally
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'split-window-vertically)))
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(delete-other-windows)
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(let ((first-win (selected-window)))
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(funcall splitter)
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(if this-win-2nd (other-window 1))
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(set-window-buffer (selected-window) this-win-buffer)
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(set-window-buffer (next-window) next-win-buffer)
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(select-window first-win)
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(if this-win-2nd (other-window 1))))))
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;; TODO: Modify the below function to accept the universal argument.
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;; Specifically an integer argument (n) where:
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;; - if negative denotes backwards rotation repeated |n| times
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;; - if positive denotes forwards rotation repeated n times
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;; - otherwise, no numerical value is given for the universal argument; ignore.
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;; Rotates windows
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;; Thanks to http://www.emacswiki.org/emacs/TransposeWindows
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(defun rotate-windows ()
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"Rotate your windows"
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(interactive)
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(cond
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((not (> (count-windows) 1))
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(message "You can't rotate a single window!"))
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(t
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(let ((i 0)
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(num-windows (count-windows)))
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(while (< i (- num-windows 1))
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(let* ((w1 (elt (window-list) i))
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(w2 (elt (window-list) (% (+ i 1) num-windows)))
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(b1 (window-buffer w1))
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(b2 (window-buffer w2))
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(s1 (window-start w1))
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(s2 (window-start w2)))
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(set-window-buffer w1 b2)
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(set-window-buffer w2 b1)
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(set-window-start w1 s2)
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(set-window-start w2 s1)
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(setq i (1+ i))))))))
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;; Assign keybinding to toggle split orientation of 2 adjacent windows, and to rotate windows
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(define-key ctl-x-4-map "t" 'toggle-window-split)
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(global-set-key "\C-cr" 'rotate-windows)
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