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Do not fire redraw callback if NULL.

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This commit is contained in:
nicm
2022-10-25 09:04:49 +00:00
parent ff2766b024
commit 0fc961b22e
1 changed files with 12 additions and 6 deletions
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18
screen-write.c
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@@ -1505,8 +1505,10 @@ screen_write_fullredraw(struct screen_write_ctx *ctx)
screen_write_collect_flush(ctx, 0, __func__);
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.redraw_cb(&ttyctx);
if (ttyctx.redraw_cb != NULL) {
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.redraw_cb(&ttyctx);
}
}
/* Trim collected items. */
@@ -2127,8 +2129,10 @@ screen_write_alternateon(struct screen_write_ctx *ctx, struct grid_cell *gc,
screen_write_collect_flush(ctx, 0, __func__);
screen_alternate_on(ctx->s, gc, cursor);
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.redraw_cb(&ttyctx);
if (ttyctx.redraw_cb != NULL) {
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.redraw_cb(&ttyctx);
}
}
/* Turn alternate screen off. */
@@ -2145,6 +2149,8 @@ screen_write_alternateoff(struct screen_write_ctx *ctx, struct grid_cell *gc,
screen_write_collect_flush(ctx, 0, __func__);
screen_alternate_off(ctx->s, gc, cursor);
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.redraw_cb(&ttyctx);
if (ttyctx.redraw_cb != NULL) {
screen_write_initctx(ctx, &ttyctx, 1);
ttyctx.redraw_cb(&ttyctx);
}
}