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Scrolling at least needs to be flushed before sending EL to the terminal

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(but it is simpler to flush everything, so do that instead).
This commit is contained in:
nicm
2017-02-21 10:30:15 +00:00
parent f27e1d07fc
commit 9e4c5133c8
1 changed files with 11 additions and 5 deletions
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16
screen-write.c
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@@ -741,6 +741,7 @@ screen_write_clearline(struct screen_write_ctx *ctx, u_int bg)
grid_view_clear(s->grid, 0, s->cy, sx, 1, bg); grid_view_clear(s->grid, 0, s->cy, sx, 1, bg);
screen_write_collect_clear(ctx, s->cy, 1); screen_write_collect_clear(ctx, s->cy, 1);
screen_write_collect_flush(ctx, 0);
tty_write(tty_cmd_clearline, &ttyctx); tty_write(tty_cmd_clearline, &ttyctx);
} }
@@ -764,8 +765,7 @@ screen_write_clearendofline(struct screen_write_ctx *ctx, u_int bg)
if (s->cx == 0) if (s->cx == 0)
screen_write_collect_clear(ctx, s->cy, 1); screen_write_collect_clear(ctx, s->cy, 1);
else screen_write_collect_flush(ctx, 0);
screen_write_collect_flush(ctx, 0);
tty_write(tty_cmd_clearendofline, &ttyctx); tty_write(tty_cmd_clearendofline, &ttyctx);
} }
@@ -787,8 +787,7 @@ screen_write_clearstartofline(struct screen_write_ctx *ctx, u_int bg)
if (s->cx > sx - 1) if (s->cx > sx - 1)
screen_write_collect_clear(ctx, s->cy, 1); screen_write_collect_clear(ctx, s->cy, 1);
else screen_write_collect_flush(ctx, 0);
screen_write_collect_flush(ctx, 0);
tty_write(tty_cmd_clearstartofline, &ttyctx); tty_write(tty_cmd_clearstartofline, &ttyctx);
} }
@@ -863,6 +862,9 @@ screen_write_linefeed(struct screen_write_ctx *ctx, int wrapped)
else else
gl->flags &= ~GRID_LINE_WRAPPED; gl->flags &= ~GRID_LINE_WRAPPED;
log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
s->rupper, s->rlower);
if (s->cy == s->rlower) { if (s->cy == s->rlower) {
grid_view_scroll_region_up(gd, s->rupper, s->rlower); grid_view_scroll_region_up(gd, s->rupper, s->rlower);
screen_write_collect_scroll(ctx); screen_write_collect_scroll(ctx);
@@ -999,7 +1001,7 @@ screen_write_collect_clear(struct screen_write_ctx *ctx, u_int y, u_int n)
free(ci); free(ci);
} }
ctx->skipped += size; ctx->skipped += size;
log_debug("discarding %zu bytes on line %u", size, i); log_debug("%s: dropped %zu bytes (line %u)", __func__, size, i);
} }
} }
@@ -1011,6 +1013,9 @@ screen_write_collect_scroll(struct screen_write_ctx *ctx)
struct screen_write_collect_line *cl; struct screen_write_collect_line *cl;
u_int y; u_int y;
log_debug("%s: at %u,%u (region %u-%u)", __func__, s->cx, s->cy,
s->rupper, s->rlower);
screen_write_collect_clear(ctx, s->rupper, 1); screen_write_collect_clear(ctx, s->rupper, 1);
for (y = s->rupper; y < s->rlower; y++) { for (y = s->rupper; y < s->rlower; y++) {
cl = &ctx->list[y + 1]; cl = &ctx->list[y + 1];
@@ -1122,6 +1127,7 @@ screen_write_collect_add(struct screen_write_ctx *ctx,
if (s->cx > sx - 1 || ctx->item->used > sx - 1 - s->cx) if (s->cx > sx - 1 || ctx->item->used > sx - 1 - s->cx)
screen_write_collect_end(ctx); screen_write_collect_end(ctx);
if (s->cx > sx - 1) { if (s->cx > sx - 1) {
log_debug("%s: wrapped at %u,%u", __func__, s->cx, s->cy);
screen_write_linefeed(ctx, 1); screen_write_linefeed(ctx, 1);
s->cx = 0; s->cx = 0;
} }