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render: fix cursor not always being rendered

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In case the only difference between this and the last frame was cursor
movement, the cursor was not rendered.
This commit is contained in:
Daniel Eklöf 2019-07-02 12:51:43 +02:00
parent 9392cfbbf3
commit 607df23a92
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GPG key ID: 5BBD4992C116573F
1 changed files with 13 additions and 8 deletions
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21
main.c
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@ -369,18 +369,27 @@ grid_render_scroll_reverse(struct context *c, struct buffer *buf,
static void
grid_render(struct context *c)
{
struct buffer *buf = shm_get_buffer(c->wl.shm, c->width, c->height);
cairo_set_operator(buf->cairo, CAIRO_OPERATOR_SOURCE);
static struct cursor last_cursor = {.linear = 0, .col = 0, .row = 0};
if (tll_length(c->term.grid->damage) == 0 &&
tll_length(c->term.grid->scroll_damage) == 0)
tll_length(c->term.grid->scroll_damage) == 0 &&
last_cursor.linear == c->term.cursor.linear)
{
goto render_cursor;
return;
}
assert(c->width > 0);
assert(c->height > 0);
struct buffer *buf = shm_get_buffer(c->wl.shm, c->width, c->height);
cairo_set_operator(buf->cairo, CAIRO_OPERATOR_SOURCE);
static struct buffer *last_buf = NULL;
if (last_buf != buf) {
if (last_buf != NULL)
LOG_WARN("new buffer");
last_buf = buf;
}
tll_foreach(c->term.grid->scroll_damage, it) {
@ -416,12 +425,8 @@ grid_render(struct context *c)
tll_remove(c->term.grid->damage, it);
}
render_cursor:
;
/* TODO: break out to function */
/* Re-render last cursor cell and current cursor cell */
static struct cursor last_cursor = {.linear = 0, .col = 0, .row = 0};
if (last_cursor.linear != c->term.cursor.linear) {
struct damage prev_cursor = {