46d9be3442
- move language syntax handling to `lang` directory - move other modes to `modes` directory - move tools to `tools` directory - compile tools to `bin` directory - bump version to 5.3alpha - remove duplicate node names in qe-doc - update Makefiles
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/*
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* List mode for QEmacs.
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*
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* Copyright (c) 2001-2002 Fabrice Bellard.
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* Copyright (c) 2002-2020 Charlie Gordon.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "qe.h"
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ModeDef list_mode;
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/* get current position (index) in list */
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int list_get_pos(EditState *s)
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{
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int line, col;
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eb_get_pos(s->b, &line, &col, s->offset);
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return line;
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}
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/* get current offset of the line in list */
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int list_get_offset(EditState *s)
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{
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return eb_goto_bol(s->b, s->offset);
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}
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void list_toggle_selection(EditState *s, int dir)
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{
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int offset, offset1;
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int ch, flags;
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if (dir < 0)
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text_move_up_down(s, -1);
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offset = list_get_offset(s);
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ch = eb_nextc(s->b, offset, &offset1);
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if (ch == ' ')
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ch = '*';
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else
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ch = ' ';
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flags = s->b->flags & BF_READONLY;
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s->b->flags ^= flags;
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eb_replace_uchar(s->b, offset, ch);
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s->b->flags ^= flags;
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if (dir > 0)
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text_move_up_down(s, 1);
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}
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static int list_mode_init(EditState *s, EditBuffer *b, int flags)
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{
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if (s) {
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/* XXX: should come from mode.default_wrap */
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s->wrap = WRAP_TRUNCATE;
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}
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return 0;
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}
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static void list_display_hook(EditState *s)
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{
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/* Keep point at the beginning of a non empty line */
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if (s->offset && s->offset == s->b->total_size)
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s->offset -= 1;
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s->offset = eb_goto_bol(s->b, s->offset);
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}
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static int list_init(void)
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{
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memcpy(&list_mode, &text_mode, sizeof(ModeDef));
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list_mode.name = "list";
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list_mode.mode_probe = NULL;
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list_mode.mode_init = list_mode_init;
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list_mode.display_hook = list_display_hook;
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qe_register_mode(&list_mode, MODEF_NOCMD | MODEF_VIEW);
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return 0;
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}
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qe_module_init(list_init);
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