2b72262b4f
I hereby relicense all my work on Sortix under the ISC license as below. All Sortix contributions by other people are already under this license, are not substantial enough to be copyrightable, or have been removed. All imported code from other projects is compatible with this license. All GPL licensed code from other projects had previously been removed. Copyright 2011-2016 Jonas 'Sortie' Termansen and contributors. Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
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* Copyright (c) 2011, 2012, 2013, 2014, 2015 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* showline.h
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* Display a line on the terminal.
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*/
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#ifndef SHOWLINE_H
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#define SHOWLINE_H
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#include <stddef.h>
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#include <termios.h>
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// TODO: Predict the terminal colors as well!
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struct cursor_predict
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{
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bool escaped;
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};
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struct show_line
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{
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struct wincurpos wcp_start;
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struct wincurpos wcp_current;
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struct winsize ws;
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int out_fd;
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char* current_line;
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size_t current_cursor;
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bool invalidated;
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};
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struct wincurpos predict_cursor(struct cursor_predict* cursor_predict,
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struct wincurpos wcp,
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struct winsize ws,
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wchar_t c);
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bool predict_will_scroll(struct cursor_predict cursor_predict,
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struct wincurpos wcp,
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struct winsize ws,
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wchar_t c);
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void show_line_begin(struct show_line* show_state, int out_fd);
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bool show_line_is_weird(const char* line);
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void show_line_change_cursor(struct show_line* show_state, struct wincurpos wcp);
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bool show_line_optimized(struct show_line* show_state, const char* line, size_t cursor);
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void show_line(struct show_line* show_state, const char* line, size_t cursor);
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void show_line_clear(struct show_line* show_state);
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void show_line_abort(struct show_line* show_state);
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void show_line_finish(struct show_line* show_state);
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#endif
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