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64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014, 2015.
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This program is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>.
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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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