48 lines
1.6 KiB
EmacsLisp
48 lines
1.6 KiB
EmacsLisp
;;; -*- lexical-binding: t -*-
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;;; ohai-fonts.el --- On-the-fly font size adjustment.
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;; Copyright (C) 2015 Bodil Stokke
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;; Author: Bodil Stokke <bodil@bodil.org>
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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 'ohai-lib)
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(defun ohai-fonts/spec-to-list (spec)
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(s-split "-" spec))
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(defun ohai-fonts/list-to-spec (spec)
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(s-join "-" spec))
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(defun ohai-fonts/update-font-spec-size (spec increment)
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(ohai-fonts/list-to-spec
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(-update-at 7 (lambda (i) (number-to-string
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(+ (string-to-number i) increment)))
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(ohai-fonts/spec-to-list spec))))
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(defun ohai-fonts/update-font-size (increment)
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(set-frame-font
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(ohai-fonts/update-font-spec-size (frame-parameter nil 'font) increment)))
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(global-set-key (kbd "C-M--") (lambda () (interactive)
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(ohai-fonts/update-font-size -1)))
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(global-set-key (kbd "C-M-=") (lambda () (interactive)
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(ohai-fonts/update-font-size 1)))
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(provide 'ohai-fonts)
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;;; ohai-fonts.el ends here
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