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/*
* List mode for QEmacs.
* Copyright (c) 2001, 2002 Fabrice Bellard.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "qe.h"
static int list_get_colorized_line(EditState *s, unsigned int *buf, int buf_size,
int offset, int line_num)
{
QEmacsState *qs = s->qe_state;
int len;
int offset1;
offset1 = offset;
len = eb_get_line(s->b, buf, buf_size, &offset1);
if (((qs->active_window == s) || s->force_highlight) &&
s->offset >= offset && s->offset < offset1) {
/* highlight the line if the cursor is inside */
set_color(buf, len, QE_STYLE_HIGHLIGHT);
} else if (buf[0] == '*') {
/* selection */
set_color(buf, len, QE_STYLE_SELECTION);
}
return len;
}
/* get current position (index) in list */
int list_get_pos(EditState *s)
{
int line, col;
eb_get_pos(s->b, &line, &col, s->offset);
return line;
}
/* get current offset of the line in list */
int list_get_offset(EditState *s)
{
int line, col;
eb_get_pos(s->b, &line, &col, s->offset);
return eb_goto_pos(s->b, line, 0);
}
void list_toggle_selection(EditState *s)
{
int offset;
unsigned char ch;
offset = list_get_offset(s);
eb_read(s->b, offset , &ch, 1);
if (ch == ' ')
ch = '*';
else
ch = ' ';
eb_write(s->b, offset , &ch, 1);
text_move_up_down(s, 1);
}
static int list_mode_init(EditState *s, ModeSavedData *saved_data)
{
s->wrap = WRAP_TRUNCATE;
s->interactive = 1;
s->get_colorized_line_func = list_get_colorized_line;
return 0;
}
static void list_mode_close(EditState *s)
{
}
ModeDef list_mode;
static int list_init(void)
{
memcpy(&list_mode, &text_mode, sizeof(ModeDef));
list_mode.mode_probe = NULL;
list_mode.mode_init = list_mode_init;
list_mode.mode_close = list_mode_close;
list_mode.mode_flags = MODEF_NOCMD;
qe_register_mode(&list_mode);
return 0;
}
qe_module_init(list_init);
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