Draw UTF-8 characters under the selection correctly.

This commit is contained in:
Nicholas Marriott 2009-07-27 11:33:21 +00:00
parent 584eda8339
commit fc65da1eed
2 changed files with 17 additions and 12 deletions

View File

@ -723,7 +723,7 @@ screen_write_cell(
struct tty_ctx ttyctx;
struct grid_utf8 gu, *tmp_gu;
u_int width, xx, i;
struct grid_cell tmp_gc, *tmp_gc2;
struct grid_cell tmp_gc, tmp_gc2, *tmp_gcp;
int insert = 0;
/* Ignore padding. */
@ -743,11 +743,11 @@ screen_write_cell(
if (width == 0) {
if (s->cx == 0)
return;
tmp_gc2 = grid_view_get_cell(gd, s->cx - 1, s->cy);
if (!(tmp_gc2->flags & GRID_FLAG_UTF8)) {
tmp_gc2->flags |= GRID_FLAG_UTF8;
tmp_gcp = grid_view_get_cell(gd, s->cx - 1, s->cy);
if (!(tmp_gcp->flags & GRID_FLAG_UTF8)) {
tmp_gcp->flags |= GRID_FLAG_UTF8;
memset(&gu.data, 0xff, sizeof gu.data);
*gu.data = tmp_gc2->data;
*gu.data = tmp_gcp->data;
gu.width = 1;
grid_view_set_utf8(gd, s->cx - 1, s->cy, &gu);
}
@ -799,9 +799,9 @@ screen_write_cell(
* already ensured there is enough room.
*/
for (xx = s->cx + 1; xx < s->cx + width; xx++) {
tmp_gc2 = grid_view_get_cell(gd, xx, s->cy);
if (tmp_gc2 != NULL)
tmp_gc2->flags |= GRID_FLAG_PADDING;
tmp_gcp = grid_view_get_cell(gd, xx, s->cy);
if (tmp_gcp != NULL)
tmp_gcp->flags |= GRID_FLAG_PADDING;
}
/* Set the cell. */
@ -820,8 +820,10 @@ screen_write_cell(
}
ttyctx.utf8 = &gu;
if (screen_check_selection(s, s->cx - width, s->cy)) {
s->sel.cell.data = gc->data;
ttyctx.cell = &s->sel.cell;
memcpy(&tmp_gc2, &s->sel.cell, sizeof tmp_gc2);
tmp_gc2.data = gc->data;
tmp_gc2.flags = gc->flags;
ttyctx.cell = &tmp_gc2;
tty_write(tty_cmd_cell, &ttyctx);
} else {
ttyctx.cell = gc;

7
tty.c
View File

@ -480,6 +480,7 @@ void
tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
{
const struct grid_cell *gc;
struct grid_cell tmpgc;
const struct grid_utf8 *gu;
u_int i, sx;
@ -498,8 +499,10 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
gu = grid_view_peek_utf8(s->grid, i, py);
if (screen_check_selection(s, i, py)) {
s->sel.cell.data = gc->data;
tty_cell(tty, &s->sel.cell, gu);
memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
tmpgc.data = gc->data;
tmpgc.flags = gc->flags;
tty_cell(tty, &tmpgc, gu);
} else
tty_cell(tty, gc, gu);
}