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Store and restore cursor across reflow by working out a position based

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on unwrapped lines, rather than a grid offset. Fixes problems reported
by Thomas Sattler and Paul de Weerd.
This commit is contained in:
nicm
2019-04-02 08:45:32 +00:00
parent 792fcb1dbf
commit ffa4d48967
3 changed files with 51 additions and 30 deletions
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8
screen.c
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@ -464,17 +464,17 @@ screen_select_cell(struct screen *s, struct grid_cell *dst,
static void
screen_reflow(struct screen *s, u_int new_x)
{
u_int offset, cx = s->cx, cy = s->grid->hsize + s->cy;
u_int cx = s->cx, cy = s->grid->hsize + s->cy, wx, wy;
struct timeval start, tv;
gettimeofday(&start, NULL);
offset = grid_to_offset(s->grid, cx, cy);
log_debug("%s: cursor %u,%u offset is %u", __func__, cx, cy, offset);
grid_wrap_position(s->grid, cx, cy, &wx, &wy);
log_debug("%s: cursor %u,%u is %u,%u", __func__, cx, cy, wx, wy);
grid_reflow(s->grid, new_x);
grid_from_offset(s->grid, offset, &cx, &cy);
grid_unwrap_position(s->grid, &cx, &cy, wx, wy);
log_debug("%s: new cursor is %u,%u", __func__, cx, cy);
if (cy >= s->grid->hsize) {