Support the 47 and 1047 SM and RM sequences (alternate screen without

cursor), requested by I forget who ages ago.
This commit is contained in:
Nicholas Marriott
2012-11-27 20:08:42 +00:00
parent 9b8998aeec
commit 24d7d073ff
3 changed files with 26 additions and 12 deletions

View File

@ -867,7 +867,8 @@ window_pane_resize(struct window_pane *wp, u_int sx, u_int sy)
* history is not updated
*/
void
window_pane_alternate_on(struct window_pane *wp, struct grid_cell *gc)
window_pane_alternate_on(struct window_pane *wp, struct grid_cell *gc,
int cursor)
{
struct screen *s = &wp->base;
u_int sx, sy;
@ -881,8 +882,10 @@ window_pane_alternate_on(struct window_pane *wp, struct grid_cell *gc)
wp->saved_grid = grid_create(sx, sy, 0);
grid_duplicate_lines(wp->saved_grid, 0, s->grid, screen_hsize(s), sy);
wp->saved_cx = s->cx;
wp->saved_cy = s->cy;
if (cursor) {
wp->saved_cx = s->cx;
wp->saved_cy = s->cy;
}
memcpy(&wp->saved_cell, gc, sizeof wp->saved_cell);
grid_view_clear(s->grid, 0, 0, sx, sy);
@ -894,7 +897,8 @@ window_pane_alternate_on(struct window_pane *wp, struct grid_cell *gc)
/* Exit alternate screen mode and restore the copied grid. */
void
window_pane_alternate_off(struct window_pane *wp, struct grid_cell *gc)
window_pane_alternate_off(struct window_pane *wp, struct grid_cell *gc,
int cursor)
{
struct screen *s = &wp->base;
u_int sx, sy;
@ -915,10 +919,12 @@ window_pane_alternate_off(struct window_pane *wp, struct grid_cell *gc)
/* Restore the grid, cursor position and cell. */
grid_duplicate_lines(s->grid, screen_hsize(s), wp->saved_grid, 0, sy);
s->cx = wp->saved_cx;
if (cursor)
s->cx = wp->saved_cx;
if (s->cx > screen_size_x(s) - 1)
s->cx = screen_size_x(s) - 1;
s->cy = wp->saved_cy;
if (cursor)
s->cy = wp->saved_cy;
if (s->cy > screen_size_y(s) - 1)
s->cy = screen_size_y(s) - 1;
memcpy(gc, &wp->saved_cell, sizeof *gc);