109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/*
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* Copyright (c) 2013, 2014 Jonas 'Sortie' Termansen.
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* Copyright (c) 2021 Juhani 'nortti' Krekelä.
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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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* editor.h
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* Editor.
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*/
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#ifndef EDITOR_EDITOR_H
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#define EDITOR_EDITOR_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "highlight.h"
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struct line
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{
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wchar_t* data;
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size_t used;
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size_t length;
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};
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struct color_line
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{
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uint8_t* data;
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size_t length;
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};
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enum editor_mode
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{
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MODE_QUIT,
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MODE_EDIT,
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MODE_LOAD,
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MODE_SAVE,
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MODE_SAVE_LOAD,
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MODE_SAVE_QUIT,
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MODE_ASK_LOAD,
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MODE_ASK_QUIT,
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MODE_GOTO_LINE,
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MODE_COMMAND,
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MODE_SEARCH,
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};
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struct editor
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{
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char* current_file_name;
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struct line* lines;
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size_t lines_used;
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size_t lines_length;
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struct color_line* color_lines;
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size_t color_lines_used;
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size_t color_lines_length;
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size_t cursor_column;
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size_t cursor_row;
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size_t select_column;
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size_t select_row;
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size_t viewport_width;
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size_t viewport_height;
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size_t page_x_offset;
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size_t page_y_offset;
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wchar_t* modal;
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size_t modal_used;
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size_t modal_length;
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size_t modal_cursor;
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wchar_t* clipboard;
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size_t tabsize;
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size_t margin;
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enum editor_mode mode;
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bool control;
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bool shift;
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bool lshift;
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bool rshift;
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bool dirty;
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bool modal_error;
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enum language highlight_source;
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bool line_numbering;
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bool suspend_requested;
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};
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__attribute__((unused))
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static inline bool editor_has_selection(struct editor* editor)
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{
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return !(editor->cursor_row == editor->select_row &&
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editor->cursor_column == editor->select_column);
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}
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void initialize_editor(struct editor* editor);
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void editor_reset_contents(struct editor* editor);
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bool editor_load_file_contents(struct editor* editor, FILE* fp);
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bool editor_load_file(struct editor* editor, const char* path);
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bool editor_load_popen(struct editor* editor, const char* cmd);
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bool editor_save_file(struct editor* editor, const char* path);
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#endif
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