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.
843 lines
24 KiB
C
843 lines
24 KiB
C
/*
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* Copyright (c) 2013, 2014 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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* command.c
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* Editor commands.
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*/
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#include <assert.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include <wctype.h>
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#include "command.h"
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#include "cursor.h"
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#include "display.h"
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#include "editor.h"
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#include "multibyte.h"
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#include "terminal.h"
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void editor_type_newline(struct editor* editor)
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{
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editor->dirty = true;
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if ( editor->lines_used == editor->lines_length )
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{
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size_t new_length = editor->lines_length ? 2 * editor->lines_length : 8;
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struct line* new_lines = (struct line*)
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malloc(sizeof(struct line) * new_length);
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for ( size_t i = 0; i < editor->lines_used; i++ )
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new_lines[i] = editor->lines[i];
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free(editor->lines);
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editor->lines = new_lines;
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editor->lines_length = new_length;
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}
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for ( size_t i = editor->lines_used-1; editor->cursor_row < i; i-- )
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editor->lines[i+1] = editor->lines[i];
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editor->lines_used++;
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struct line old_line = editor->lines[editor->cursor_row];
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size_t keep_length = editor->cursor_column;
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size_t move_length = old_line.used - keep_length;
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struct line* keep_line = &editor->lines[editor->cursor_row];
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struct line* move_line = &editor->lines[editor->cursor_row+1];
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keep_line->data = (wchar_t*) malloc(sizeof(wchar_t) * keep_length);
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keep_line->used = keep_length;
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keep_line->length = keep_length;
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memcpy(keep_line->data, old_line.data + 0, sizeof(wchar_t) * keep_length);
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move_line->data = (wchar_t*) malloc(sizeof(wchar_t) * move_length);
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move_line->used = move_length;
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move_line->length = move_length;
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memcpy(move_line->data, old_line.data + keep_length, sizeof(wchar_t) * move_length);
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editor_cursor_set(editor, editor->cursor_row+1, 0);
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free(old_line.data);
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}
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void editor_type_delete_selection(struct editor* editor);
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void editor_type_combine_with_last(struct editor* editor)
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{
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if ( !editor->cursor_row )
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return;
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editor->dirty = true;
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struct line* keep_line = &editor->lines[editor->cursor_row-1];
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struct line* gone_line = &editor->lines[editor->cursor_row];
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wchar_t* keep_line_data = keep_line->data;
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wchar_t* gone_line_data = gone_line->data;
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size_t new_length = keep_line->used + gone_line->used;
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wchar_t* new_data = (wchar_t*) malloc(sizeof(wchar_t) * new_length);
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memcpy(new_data, keep_line_data, sizeof(wchar_t) * keep_line->used);
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memcpy(new_data + keep_line->used, gone_line_data, sizeof(wchar_t) * gone_line->used);
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editor_cursor_set(editor, editor->cursor_row-1, keep_line->used);
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keep_line->data = new_data;
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keep_line->used = new_length;
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keep_line->length = new_length;
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editor->lines_used--;
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for ( size_t i = editor->cursor_row + 1; i < editor->lines_used; i++ )
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editor->lines[i] = editor->lines[i+1];
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free(keep_line_data);
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free(gone_line_data);
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}
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void editor_type_backspace(struct editor* editor)
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{
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if ( !(editor->select_row == editor->cursor_row &&
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editor->select_column == editor->cursor_column) )
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{
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editor_type_delete_selection(editor);
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return;
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}
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struct line* current_line = &editor->lines[editor->cursor_row];
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if ( !editor->cursor_column )
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{
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editor_type_combine_with_last(editor);
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return;
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}
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editor->dirty = true;
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current_line->used--;
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for ( size_t i = editor_cursor_column_dec(editor); i < current_line->used; i++ )
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current_line->data[i] = current_line->data[i+1];
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}
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void editor_type_combine_with_next(struct editor* editor)
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{
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if ( editor->cursor_row + 1 == editor->lines_used )
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return;
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editor->dirty = true;
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struct line* keep_line = &editor->lines[editor->cursor_row];
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struct line* gone_line = &editor->lines[editor->cursor_row+1];
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wchar_t* keep_line_data = keep_line->data;
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wchar_t* gone_line_data = gone_line->data;
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size_t new_length = keep_line->used + gone_line->used;
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wchar_t* new_data = (wchar_t*) malloc(sizeof(wchar_t) * new_length);
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memcpy(new_data, keep_line_data, sizeof(wchar_t) * keep_line->used);
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memcpy(new_data + keep_line->used, gone_line_data, sizeof(wchar_t) * gone_line->used);
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editor_cursor_column_set(editor, keep_line->used);
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keep_line->data = new_data;
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keep_line->used = new_length;
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keep_line->length = new_length;
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editor->lines_used--;
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for ( size_t i = editor->cursor_row + 1; i < editor->lines_used; i++ )
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editor->lines[i] = editor->lines[i+1];
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free(keep_line_data);
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free(gone_line_data);
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}
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void editor_type_delete(struct editor* editor)
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{
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if ( !(editor->select_row == editor->cursor_row &&
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editor->select_column == editor->cursor_column) )
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{
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editor_type_delete_selection(editor);
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return;
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}
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struct line* current_line = &editor->lines[editor->cursor_row];
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if ( editor->cursor_column == current_line->used )
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{
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editor_type_combine_with_next(editor);
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return;
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}
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editor->dirty = true;
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current_line->used--;
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for ( size_t i = editor->cursor_column; i < current_line->used; i++ )
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current_line->data[i] = current_line->data[i+1];
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}
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void editor_type_delete_selection(struct editor* editor)
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{
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if ( is_row_column_lt(editor->select_row, editor->select_column,
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editor->cursor_row, editor->cursor_column) )
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{
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size_t tmp;
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tmp = editor->select_row;
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editor->select_row = editor->cursor_row;
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editor->cursor_row = tmp;
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tmp = editor->select_column;
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editor->select_column = editor->cursor_column;
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editor->cursor_column = tmp;
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}
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size_t desired_row = editor->cursor_row;
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size_t desired_column = editor->cursor_column;
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editor->cursor_row = editor->select_row;
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editor->cursor_column = editor->select_column;
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while ( !(editor->cursor_row == desired_row &&
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editor->cursor_column == desired_column) )
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editor_type_backspace(editor);
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}
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void editor_type_exit_select_left(struct editor* editor)
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{
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if ( editor_has_selection(editor) )
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{
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size_t column, row;
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row_column_smallest(editor->cursor_row, editor->cursor_column,
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editor->select_row, editor->select_column,
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&column, &row);
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editor_cursor_set(editor, column, row);
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return;
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}
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}
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void editor_type_exit_select_right(struct editor* editor)
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{
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if ( editor_has_selection(editor) )
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{
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size_t column, row;
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row_column_biggest(editor->cursor_row, editor->cursor_column,
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editor->select_row, editor->select_column,
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&column, &row);
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editor_cursor_set(editor, column, row);
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return;
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}
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}
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void editor_type_left(struct editor* editor)
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{
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editor_type_exit_select_left(editor);
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if ( editor->cursor_column )
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editor_cursor_column_dec(editor);
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else if ( editor->cursor_row )
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{
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editor_cursor_row_dec(editor);
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editor_cursor_column_set(editor, editor->lines[editor->cursor_row].used);
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}
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}
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void editor_type_select_left(struct editor* editor)
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{
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if ( editor->select_column )
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editor_select_column_dec(editor);
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else if ( editor->select_row )
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{
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editor_select_row_dec(editor);
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editor_select_column_set(editor, editor->lines[editor->select_row].used);
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}
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}
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void editor_type_control_left(struct editor* editor)
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{
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editor_type_exit_select_left(editor);
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if ( editor->cursor_column || editor->cursor_row )
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editor_type_left(editor);
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int state = 0;
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while ( editor->cursor_column || editor->cursor_row )
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{
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editor_type_left(editor);
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struct line* line = &editor->lines[editor->cursor_row];
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wchar_t wc = line->data[editor->cursor_column];
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if ( (state == 0 && !iswspace(wc)) || (state == 1 && iswspace(wc)) )
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{
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editor_type_right(editor);
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if ( ++state == 2 )
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break;
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}
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}
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}
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void editor_type_control_select_left(struct editor* editor)
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{
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if ( editor->select_column || editor->select_row )
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editor_type_select_left(editor);
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int state = 0;
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while ( editor->select_column || editor->select_row )
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{
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editor_type_select_left(editor);
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struct line* line = &editor->lines[editor->select_row];
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wchar_t wc = line->data[editor->select_column];
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if ( (state == 0 && !iswspace(wc)) || (state == 1 && iswspace(wc)) )
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{
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editor_type_select_right(editor);
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if ( ++state == 2 )
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break;
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}
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}
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}
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void editor_type_right(struct editor* editor)
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{
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editor_type_exit_select_right(editor);
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struct line* current_line = &editor->lines[editor->cursor_row];
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if ( editor->cursor_column != current_line->used )
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editor_cursor_column_inc(editor);
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else if ( editor->cursor_row+1 != editor->lines_used )
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editor_cursor_row_inc(editor),
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editor_cursor_column_set(editor, 0);
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}
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void editor_type_select_right(struct editor* editor)
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{
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struct line* current_line = &editor->lines[editor->select_row];
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if ( editor->select_column != current_line->used )
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editor_select_column_inc(editor);
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else if ( editor->select_row+1 != editor->lines_used )
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editor_select_row_inc(editor),
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editor_select_column_set(editor, 0);
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}
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void editor_type_control_right(struct editor* editor)
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{
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editor_type_exit_select_right(editor);
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int state = 0;
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while ( editor->cursor_column != editor->lines[editor->cursor_row].used ||
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editor->cursor_row != editor->lines_used )
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{
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struct line* line = &editor->lines[editor->cursor_row];
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wchar_t wc = editor->cursor_column != line->used ?
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line->data[editor->cursor_column] : L' ';
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if ( (state == 0 && !iswspace(wc)) || (state == 1 && iswspace(wc)) )
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{
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if ( ++state == 2 )
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break;
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}
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editor_type_right(editor);
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}
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}
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void editor_type_control_select_right(struct editor* editor)
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{
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int state = 0;
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while ( editor->select_column != editor->lines[editor->select_row].used ||
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editor->select_row != editor->lines_used )
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{
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struct line* line = &editor->lines[editor->select_row];
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wchar_t wc = editor->select_column != line->used ?
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line->data[editor->select_column] : L' ';
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if ( (state == 0 && !iswspace(wc)) || (state == 1 && iswspace(wc)) )
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{
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if ( ++state == 2 )
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break;
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}
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editor_type_select_right(editor);
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}
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}
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void editor_type_up(struct editor* editor)
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{
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editor_type_exit_select_left(editor);
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if ( !editor->cursor_row )
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{
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editor_cursor_column_set(editor, 0);
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return;
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}
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struct line* old_line = &editor->lines[editor->cursor_row];
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struct line* new_line = &editor->lines[editor_cursor_row_dec(editor)];
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size_t old_column = editor_display_column_of_line_offset(editor, old_line, editor->cursor_column);
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size_t new_offset = editor_line_offset_of_display_column(editor, new_line, old_column);
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editor_cursor_column_set(editor, new_offset);
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}
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void editor_type_select_up(struct editor* editor)
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{
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if ( !editor->select_row )
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{
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editor_select_column_set(editor, 0);
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return;
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}
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struct line* old_line = &editor->lines[editor->select_row];
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struct line* new_line = &editor->lines[editor_select_row_dec(editor)];
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size_t old_column = editor_display_column_of_line_offset(editor, old_line, editor->select_column);
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size_t new_offset = editor_line_offset_of_display_column(editor, new_line, old_column);
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editor_select_column_set(editor, new_offset);
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}
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void editor_type_control_up(struct editor* editor)
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{
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editor_type_exit_select_left(editor);
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if ( editor->cursor_row )
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editor_cursor_row_dec(editor);
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editor_cursor_column_set(editor, 0);
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}
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void editor_type_control_select_up(struct editor* editor)
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{
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if ( editor->select_row )
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editor_select_row_dec(editor);
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editor_select_column_set(editor, 0);
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}
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void editor_type_down(struct editor* editor)
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{
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editor_type_exit_select_right(editor);
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if ( editor->cursor_row+1 == editor->lines_used )
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{
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editor_cursor_column_set(editor, editor->lines[editor->cursor_row].used);
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return;
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}
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struct line* old_line = &editor->lines[editor->cursor_row];
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struct line* new_line = &editor->lines[editor_cursor_row_inc(editor)];
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size_t old_column = editor_display_column_of_line_offset(editor, old_line, editor->cursor_column);
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size_t new_offset = editor_line_offset_of_display_column(editor, new_line, old_column);
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editor_cursor_column_set(editor, new_offset);
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}
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void editor_type_select_down(struct editor* editor)
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{
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if ( editor->select_row+1 == editor->lines_used )
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{
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editor_select_column_set(editor, editor->lines[editor->select_row].used);
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return;
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}
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struct line* old_line = &editor->lines[editor->select_row];
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struct line* new_line = &editor->lines[editor_select_row_inc(editor)];
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size_t old_column = editor_display_column_of_line_offset(editor, old_line, editor->select_column);
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size_t new_offset = editor_line_offset_of_display_column(editor, new_line, old_column);
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editor_select_column_set(editor, new_offset);
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}
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void editor_type_control_down(struct editor* editor)
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{
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editor_type_exit_select_right(editor);
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if ( editor->cursor_row < editor->lines_used )
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editor_cursor_row_inc(editor);
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editor_cursor_column_set(editor, editor->lines[editor->cursor_row].used);
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}
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void editor_type_control_select_down(struct editor* editor)
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{
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if ( editor->select_row < editor->lines_used )
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editor_select_row_inc(editor);
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editor_select_column_set(editor, editor->lines[editor->select_row].used);
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}
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void editor_skip_leading(struct editor* editor)
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{
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struct line* current_line = &editor->lines[editor->cursor_row];
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for ( editor_cursor_column_set(editor, 0);
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editor->cursor_column < current_line->used;
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editor_cursor_column_inc(editor) )
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if ( !iswspace(current_line->data[editor->cursor_column]) )
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break;
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}
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void editor_select_skip_leading(struct editor* editor)
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{
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struct line* current_line = &editor->lines[editor->select_row];
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for ( editor_select_column_set(editor, 0);
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editor->select_column < current_line->used;
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editor_select_column_inc(editor) )
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if ( !iswspace(current_line->data[editor->select_column]) )
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break;
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}
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void editor_type_home(struct editor* editor)
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{
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if ( editor_has_selection(editor) )
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{
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size_t column, row;
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row_column_smallest(editor->cursor_row, editor->cursor_column,
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editor->select_row, editor->select_column,
|
|
&column, &row);
|
|
editor_cursor_set(editor, column, row);
|
|
}
|
|
if ( !editor->cursor_column )
|
|
{
|
|
editor_skip_leading(editor);
|
|
return;
|
|
}
|
|
editor_cursor_column_set(editor, 0);
|
|
}
|
|
|
|
void editor_type_select_home(struct editor* editor)
|
|
{
|
|
if ( !editor->select_column )
|
|
{
|
|
editor_select_skip_leading(editor);
|
|
return;
|
|
}
|
|
editor_select_column_set(editor, 0);
|
|
}
|
|
|
|
void editor_skip_ending(struct editor* editor)
|
|
{
|
|
struct line* current_line = &editor->lines[editor->cursor_row];
|
|
for ( editor_cursor_column_set(editor, current_line->used);
|
|
editor->cursor_column;
|
|
editor_cursor_column_dec(editor) )
|
|
if ( !iswspace(current_line->data[editor->cursor_column-1]) )
|
|
break;
|
|
}
|
|
|
|
void editor_select_skip_ending(struct editor* editor)
|
|
{
|
|
struct line* current_line = &editor->lines[editor->select_row];
|
|
for ( editor_select_column_set(editor, current_line->used);
|
|
editor->select_column;
|
|
editor_select_column_dec(editor) )
|
|
if ( !iswspace(current_line->data[editor->select_column-1]) )
|
|
break;
|
|
}
|
|
|
|
void editor_type_end(struct editor* editor)
|
|
{
|
|
if ( editor_has_selection(editor) )
|
|
{
|
|
size_t column, row;
|
|
row_column_biggest(editor->cursor_row, editor->cursor_column,
|
|
editor->select_row, editor->select_column,
|
|
&column, &row);
|
|
editor_cursor_set(editor, column, row);
|
|
}
|
|
struct line* current_line = &editor->lines[editor->cursor_row];
|
|
if ( editor->cursor_column == current_line->used )
|
|
{
|
|
editor_skip_ending(editor);
|
|
return;
|
|
}
|
|
editor_cursor_column_set(editor, current_line->used);
|
|
}
|
|
|
|
void editor_type_select_end(struct editor* editor)
|
|
{
|
|
struct line* current_line = &editor->lines[editor->select_row];
|
|
if ( editor->select_column == current_line->used )
|
|
{
|
|
editor_select_skip_ending(editor);
|
|
return;
|
|
}
|
|
editor_select_column_set(editor, current_line->used);
|
|
}
|
|
|
|
void editor_type_page_up(struct editor* editor)
|
|
{
|
|
if ( editor_has_selection(editor) )
|
|
{
|
|
size_t column, row;
|
|
row_column_smallest(editor->cursor_row, editor->cursor_column,
|
|
editor->select_row, editor->select_column,
|
|
&column, &row);
|
|
editor_cursor_set(editor, column, row);
|
|
}
|
|
if ( editor->cursor_row < editor->viewport_height )
|
|
{
|
|
editor_cursor_set(editor, 0, 0);
|
|
return;
|
|
}
|
|
size_t new_line = editor->cursor_row - editor->viewport_height;
|
|
editor_cursor_row_set(editor, new_line);
|
|
size_t new_line_len = editor->lines[new_line].used;
|
|
if ( new_line_len < editor->cursor_column )
|
|
editor_cursor_column_set(editor, new_line_len);
|
|
}
|
|
|
|
void editor_type_select_page_up(struct editor* editor)
|
|
{
|
|
if ( editor->select_row < editor->viewport_height )
|
|
{
|
|
editor_select_set(editor, 0, 0);
|
|
return;
|
|
}
|
|
size_t new_line = editor->select_row - editor->viewport_height;
|
|
editor_select_row_set(editor, new_line);
|
|
size_t new_line_len = editor->lines[new_line].used;
|
|
if ( new_line_len < editor->select_column )
|
|
editor_select_column_set(editor, new_line_len);
|
|
}
|
|
|
|
void editor_type_page_down(struct editor* editor)
|
|
{
|
|
if ( editor_has_selection(editor) )
|
|
{
|
|
size_t column, row;
|
|
row_column_biggest(editor->cursor_row, editor->cursor_column,
|
|
editor->select_row, editor->select_column,
|
|
&column, &row);
|
|
editor_cursor_set(editor, column, row);
|
|
}
|
|
size_t new_line = editor->cursor_row + editor->viewport_height;
|
|
if ( editor->lines_used <= new_line )
|
|
{
|
|
editor_cursor_row_set(editor, editor->lines_used - 1);
|
|
editor_cursor_column_set(editor, editor->lines[editor->cursor_row].used);
|
|
return;
|
|
}
|
|
editor_cursor_row_set(editor, new_line);
|
|
size_t new_line_len = editor->lines[new_line].used;
|
|
if ( new_line_len < editor->cursor_column )
|
|
editor_cursor_column_set(editor, new_line_len);
|
|
}
|
|
|
|
void editor_type_select_page_down(struct editor* editor)
|
|
{
|
|
size_t new_line = editor->select_row + editor->viewport_height;
|
|
if ( editor->lines_used <= new_line )
|
|
{
|
|
editor_select_row_set(editor, editor->lines_used - 1);
|
|
editor_select_column_set(editor, editor->lines[editor->select_row].used);
|
|
return;
|
|
}
|
|
editor_select_row_set(editor, new_line);
|
|
size_t new_line_len = editor->lines[new_line].used;
|
|
if ( new_line_len < editor->select_column )
|
|
editor_select_column_set(editor, new_line_len);
|
|
}
|
|
|
|
void editor_type_edit(struct editor* editor)
|
|
{
|
|
editor->mode = MODE_EDIT;
|
|
}
|
|
|
|
void editor_type_goto_line(struct editor* editor)
|
|
{
|
|
editor->mode = MODE_GOTO_LINE;
|
|
editor->modal_used = 0;
|
|
editor->modal_cursor = 0;
|
|
editor->modal_error = false;
|
|
}
|
|
|
|
void editor_type_save(struct editor* editor)
|
|
{
|
|
editor->mode = MODE_SAVE;
|
|
|
|
free(editor->modal);
|
|
editor->modal = convert_mbs_to_wcs(editor->current_file_name);
|
|
editor->modal_used = wcslen(editor->modal);
|
|
editor->modal_length = editor->modal_used+1;
|
|
editor->modal_cursor = editor->modal_used;
|
|
editor->modal_error = false;
|
|
}
|
|
|
|
void editor_type_save_as(struct editor* editor)
|
|
{
|
|
editor->mode = MODE_SAVE;
|
|
editor->modal_used = 0;
|
|
editor->modal_cursor = 0;
|
|
editor->modal_error = false;
|
|
}
|
|
|
|
void editor_type_open(struct editor* editor)
|
|
{
|
|
editor->mode = editor->dirty ? MODE_ASK_LOAD : MODE_LOAD;
|
|
editor->modal_used = 0;
|
|
editor->modal_cursor = 0;
|
|
editor->modal_error = false;
|
|
}
|
|
|
|
void editor_type_open_as(struct editor* editor)
|
|
{
|
|
if ( editor->dirty )
|
|
return editor_type_open(editor);
|
|
|
|
editor->mode = MODE_LOAD;
|
|
|
|
free(editor->modal);
|
|
editor->modal = convert_mbs_to_wcs(editor->current_file_name);
|
|
editor->modal_used = wcslen(editor->modal);
|
|
editor->modal_length = editor->modal_used+1;
|
|
editor->modal_cursor = editor->modal_used;
|
|
editor->modal_error = false;
|
|
}
|
|
|
|
void editor_type_quit(struct editor* editor)
|
|
{
|
|
editor->mode = editor->dirty ? MODE_ASK_QUIT : MODE_QUIT;
|
|
editor->modal_cursor = 0;
|
|
editor->modal_used = 0;
|
|
editor->modal_error = false;
|
|
}
|
|
|
|
void editor_type_command(struct editor* editor)
|
|
{
|
|
editor->mode = MODE_COMMAND;
|
|
editor->modal_cursor = 0;
|
|
editor->modal_used = 0;
|
|
editor->modal_error = false;
|
|
}
|
|
|
|
void editor_type_raw_character(struct editor* editor, wchar_t c)
|
|
{
|
|
struct line* current_line = &editor->lines[editor->cursor_row];
|
|
|
|
if ( current_line->used == current_line->length )
|
|
{
|
|
size_t new_length = current_line->length ? 2 * current_line->length : 8;
|
|
wchar_t* new_data = (wchar_t*) malloc(sizeof(wchar_t) * new_length);
|
|
for ( size_t i = 0; i < current_line->used; i++ )
|
|
new_data[i] = current_line->data[i];
|
|
free(current_line->data);
|
|
current_line->data = new_data;
|
|
current_line->length = new_length;
|
|
}
|
|
|
|
editor->dirty = true;
|
|
|
|
for ( size_t i = current_line->used; editor->cursor_column < i; i-- )
|
|
current_line->data[i] = current_line->data[i-1];
|
|
current_line->used++;
|
|
current_line->data[editor_cursor_column_inc(editor)-1] = c;
|
|
}
|
|
|
|
void editor_type_copy(struct editor* editor)
|
|
{
|
|
if ( editor->cursor_row == editor->select_row &&
|
|
editor->cursor_column == editor->select_column )
|
|
return;
|
|
|
|
free(editor->clipboard);
|
|
|
|
size_t start_row;
|
|
size_t start_column;
|
|
size_t end_row;
|
|
size_t end_column;
|
|
if ( is_row_column_lt(editor->select_row, editor->select_column,
|
|
editor->cursor_row, editor->cursor_column) )
|
|
{
|
|
start_row = editor->select_row;
|
|
start_column = editor->select_column;
|
|
end_row = editor->cursor_row;
|
|
end_column = editor->cursor_column;
|
|
}
|
|
else
|
|
{
|
|
start_row = editor->cursor_row;
|
|
start_column = editor->cursor_column;
|
|
end_row = editor->select_row;
|
|
end_column = editor->select_column;
|
|
}
|
|
|
|
size_t length = 0;
|
|
for ( size_t row = start_row, column = start_column;
|
|
is_row_column_lt(row, column, end_row, end_column); )
|
|
{
|
|
if ( row == end_row )
|
|
{
|
|
length += end_column - column;
|
|
column = end_column;
|
|
}
|
|
else
|
|
{
|
|
length += editor->lines[row].used + 1 /*newline*/;
|
|
column = 0;
|
|
row++;
|
|
}
|
|
}
|
|
|
|
editor->clipboard = (wchar_t*) malloc(sizeof(wchar_t) * (length + 1));
|
|
size_t offset = 0;
|
|
for ( size_t row = start_row, column = start_column;
|
|
is_row_column_lt(row, column, end_row, end_column); )
|
|
{
|
|
struct line* line = &editor->lines[row];
|
|
if ( row == end_row )
|
|
{
|
|
memcpy(editor->clipboard + offset, line->data + column, sizeof(wchar_t) * (end_column - column));
|
|
offset += end_column - column;
|
|
column = end_column;
|
|
}
|
|
else
|
|
{
|
|
memcpy(editor->clipboard + offset, line->data, sizeof(wchar_t) * line->used);
|
|
editor->clipboard[offset + line->used] = L'\n';
|
|
offset += line->used + 1 /*newline*/;
|
|
column = 0;
|
|
row++;
|
|
}
|
|
}
|
|
editor->clipboard[length] = L'\0';
|
|
}
|
|
|
|
void editor_type_cut(struct editor* editor)
|
|
{
|
|
if ( editor->cursor_row == editor->select_row &&
|
|
editor->cursor_column == editor->select_column )
|
|
return;
|
|
|
|
editor_type_copy(editor);
|
|
editor_type_delete_selection(editor);
|
|
}
|
|
|
|
void editor_type_paste(struct editor* editor)
|
|
{
|
|
if ( !(editor->cursor_row == editor->select_row &&
|
|
editor->cursor_column == editor->select_column) )
|
|
editor_type_delete_selection(editor);
|
|
|
|
for ( size_t i = 0; editor->clipboard && editor->clipboard[i]; i++ )
|
|
{
|
|
if ( editor->clipboard[i] == L'\n' )
|
|
editor_type_newline(editor);
|
|
else
|
|
editor_type_raw_character(editor, editor->clipboard[i]);
|
|
}
|
|
}
|
|
|
|
void editor_type_character(struct editor* editor, wchar_t c)
|
|
{
|
|
if ( editor->control )
|
|
{
|
|
switch ( towlower(c) )
|
|
{
|
|
case L'c': editor_type_copy(editor); break;
|
|
case L'i': editor_type_goto_line(editor); break;
|
|
case L'k': editor_type_cut(editor); break;
|
|
case L'o': editor->shift ?
|
|
editor_type_open_as(editor) :
|
|
editor_type_open(editor); break;
|
|
case L'q': editor_type_quit(editor); break;
|
|
case L's': editor->shift ?
|
|
editor_type_save_as(editor) :
|
|
editor_type_save(editor); break;
|
|
case L'v': editor_type_paste(editor); break;
|
|
case L'x': editor_type_cut(editor); break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if ( editor_has_selection(editor) )
|
|
editor_type_delete_selection(editor);
|
|
|
|
if ( c == L'\n' ) { editor_type_newline(editor); return; }
|
|
|
|
editor_type_raw_character(editor, c);
|
|
}
|