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Exiting alternate screen mode should restore cursor position and

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attributes even if already outside alternate screen mode. GitHub issue
1789.
This commit is contained in:
nicm
2019-06-09 06:50:24 +00:00
parent 43796bf131
commit 915097d312
1 changed files with 20 additions and 12 deletions
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32
window.c
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@@ -804,6 +804,8 @@ window_pane_create(struct window *w, u_int sx, u_int sy, u_int hlimit)
wp->pipe_event = NULL;
wp->saved_grid = NULL;
wp->saved_cx = UINT_MAX;
wp->saved_cy = UINT_MAX;
style_set(&wp->style, &grid_default_cell);
@@ -962,10 +964,25 @@ window_pane_alternate_off(struct window_pane *wp, struct grid_cell *gc,
struct screen *s = &wp->base;
u_int sx, sy;
if (wp->saved_grid == NULL)
return;
if (!options_get_number(wp->window->options, "alternate-screen"))
return;
/*
* Restore the cursor position and cell. This happens even if not
* currently in the alternate screen.
*/
if (cursor && wp->saved_cx != UINT_MAX && wp->saved_cy != UINT_MAX) {
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 (s->cy > screen_size_y(s) - 1)
s->cy = screen_size_y(s) - 1;
memcpy(gc, &wp->saved_cell, sizeof *gc);
}
if (wp->saved_grid == NULL)
return;
sx = screen_size_x(s);
sy = screen_size_y(s);
@@ -976,17 +993,8 @@ window_pane_alternate_off(struct window_pane *wp, struct grid_cell *gc,
if (sy > wp->saved_grid->sy)
screen_resize(s, sx, wp->saved_grid->sy, 1);
/* Restore the grid, cursor position and cell. */
/* Restore the saved grid. */
grid_duplicate_lines(s->grid, screen_hsize(s), wp->saved_grid, 0, sy);
if (cursor)
s->cx = wp->saved_cx;
if (s->cx > screen_size_x(s) - 1)
s->cx = screen_size_x(s) - 1;
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);
/*
* Turn history back on (so resize can use it) and then resize back to