static void build_bufed_list(EditState *s)
{
QEmacsState *qs = s->qe_state;
EditBuffer *b, *b1;
BufedState *hs;
int last_index = list_get_pos(s);
int i, flags;
hs = s->mode_data;
free_strings(&hs->items);
for (b = qs->first_buffer; b != NULL; b = b->next) {
if (!(b->flags & BF_SYSTEM) || (hs->flags & BUFED_ALL_VISIBLE))
add_string(&hs->items, b->name);
}
/* build buffer */
b = s->b;
flags = b->flags;
b->flags &= ~BF_READONLY;
eb_delete(b, 0, b->total_size);
for (i = 0; i < hs->items.nb_items; i++) {
eb_printf(b, " %-20s", hs->items.items[i]->str);
b1 = eb_find(hs->items.items[i]->str);
if (b1) {
/* CG: should also display mode */
eb_printf(b, " %10d %s", b1->total_size, b1->filename);
}
eb_printf(b, "\n");
}
b->flags = flags;
s->offset = eb_goto_pos(s->b, last_index, 0);
}
/* show a list of buffers */
static void do_list_buffers(EditState *s)
{
QEmacsState *qs = s->qe_state;
BufedState *bs;
EditBuffer *b;
EditState *e;
int width, i;
/* XXX: must close this buffer when destroying window: add a
special buffer flag to tell this */
b = eb_new("*bufed*", BF_READONLY | BF_SYSTEM);
width = qs->width / 4;
e = insert_window_left(b, width, WF_MODELINE);
do_set_mode(e, &bufed_mode, NULL);
bs = e->mode_data;
/* if active buffer is found, go directly on it */
for(i=0;i<bs->items.nb_items;i++) {
if (!strcmp(bs->items.items[i]->str, s->b->name)) {
e->offset = eb_goto_pos(e->b, i, 0);
break;
}
}
/* modify active window */
qs->active_window = e;
}
/* XXX: optimize !!!!! */
static void tty_gotoxy(ShellState *s, int x, int y)
{
int total_lines, line_num, col_num, offset, offset1, c;
unsigned char buf1[10];
/* compute offset */
eb_get_pos(s->b, &total_lines, &col_num, s->b->total_size);
line_num = total_lines - TTY_YSIZE;
if (line_num < 0)
line_num = 0;
line_num += y;
/* add lines if necessary */
while (line_num >= total_lines) {
buf1[0] = '\n';
eb_insert(s->b, s->b->total_size, buf1, 1);
total_lines++;
}
offset = eb_goto_pos(s->b, line_num, 0);
for(;x > 0; x--) {
c = eb_nextc(s->b, offset, &offset1);
if (c == '\n') {
buf1[0] = ' ';
for(;x > 0; x--) {
eb_insert(s->b, offset, buf1, 1);
}
break;
} else {
offset = offset1;
}
}
s->cur_offset = offset;
}
static void rectangle_insert(EditState *s, const char *str)
{
int line, col, start_line, i, loff;
eb_get_pos(s->b, &start_line, &col, s->b->mark);
eb_get_pos(s->b, &line, &col, s->offset);
for (i = start_line; i <= line; i++) {
loff = eb_goto_pos(s->b, i, 0);
eb_insert(s->b, loff, str, strlen(str));
}
s->region_style = 0;
}
static void rectangle_cut(EditState *s)
{
int line, col, start_line, i, loff;
eb_get_pos(s->b, &start_line, &col, s->b->mark);
eb_get_pos(s->b, &line, &col, s->offset);
for (i = start_line; i <= line; i++) {
loff = eb_goto_pos(s->b, i, 0);
if (eb_is_empty_line(s->b, loff))
continue;
eb_delete(s->b, loff, col);
}
s->region_style = 0;
put_status(s, "Rectangle cut done on line %d to line %d\n",
start_line, line);
}
/* show a list of buffers */
static void do_list_buffers(EditState *s, int argval)
{
QEmacsState *qs = s->qe_state;
BufedState *bs;
EditBuffer *b, *b0;
EditState *e, *e1;
int width, i;
/* remember current buffer for target positioning, because
* s may be destroyed by insert_window_left
* CG: remove this kludge once we have delayed EditState free
*/
b0 = s->b;
/* XXX: must close this buffer when destroying window: add a
special buffer flag to tell this */
b = eb_scratch("*bufed*", BF_READONLY | BF_SYSTEM | BF_UTF8);
width = qs->width / 5;
e = insert_window_left(b, width, WF_MODELINE);
edit_set_mode(e, &bufed_mode, NULL);
bs = e->mode_data;
if (argval != NO_ARG) {
bs->flags |= BUFED_ALL_VISIBLE;
build_bufed_list(e);
}
e1 = find_window(e, KEY_RIGHT);
if (e1)
b0 = e1->b;
/* if active buffer is found, go directly on it */
for (i = 0; i < bs->items.nb_items; i++) {
if (strequal(bs->items.items[i]->str, b0->name)) {
e->offset = eb_goto_pos(e->b, i, 0);
break;
}
}
/* modify active window */
qs->active_window = e;
}
/* 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);
}