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terminal: defer updates; not fully asynchronous

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This commit is contained in:
K. Lange 2021-11-24 17:58:30 +09:00
parent 873ee3f30e
commit b79280dff9
1 changed files with 17 additions and 3 deletions
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20
apps/terminal.c
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@ -842,7 +842,17 @@ static void redraw_cell_image(uint16_t x, uint16_t y, term_cell_t * cell, int in
r_y = max(r_y, decor_top_height+menu_bar_height + y * char_height + char_height);
}
static void maybe_flip_display(void) {
static void maybe_flip_display(int force) {
static uint64_t last_refresh;
uint64_t ticks = get_ticks();
if (!force) {
if (ticks < last_refresh + 33330L) {
return;
}
}
last_refresh = ticks;
for (unsigned int y = 0; y < term_height; ++y) {
for (unsigned int x = 0; x < term_width; ++x) {
term_cell_t * cell_m = &term_mirror[y * term_width + x];
@ -2449,12 +2459,13 @@ int main(int argc, char ** argv) {
/* PTY read buffer */
unsigned char buf[4096];
int next_wait = 200;
while (!exit_application) {
/* Wait for something to happen. */
int res[] = {0,0};
fswait3(2,fds,200,res);
fswait3(2,fds,next_wait,res);
/* Check if the child application has closed. */
check_for_exit();
@ -2466,12 +2477,15 @@ int main(int argc, char ** argv) {
for (ssize_t i = 0; i < r; ++i) {
ansi_put(ansi_state, buf[i]);
}
next_wait = 10;
} else {
next_wait = 200;
}
if (res[0]) {
/* Handle Yutani events. */
handle_incoming();
}
maybe_flip_display();
maybe_flip_display(!(res[0] || res[1]));
}
}