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-rw-r--r--demo-async.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/demo-async.c b/demo-async.c
new file mode 100644
index 0000000..5f42cab
--- /dev/null
+++ b/demo-async.c
@@ -0,0 +1,58 @@
+#include <poll.h>
+#include <stdio.h>
+
+#include "termkey.h"
+
+void on_key(termkey_t *tk, termkey_key *key)
+{
+ char buffer[50];
+ termkey_snprint_key(tk, buffer, sizeof buffer, key, TERMKEY_FORMAT_VIM);
+ printf("%s\n", buffer);
+}
+
+int main(int argc, char *argv[]) {
+ termkey_t *tk = termkey_new(0, 0);
+
+ if(!tk) {
+ fprintf(stderr, "Cannot allocate termkey instance\n");
+ exit(1);
+ }
+
+ struct pollfd fd;
+
+ fd.fd = 0; /* the file descriptor we passed to termkey_new() */
+ fd.events = POLLIN;
+
+ termkey_result ret;
+ termkey_key key;
+
+ int running = 1;
+ int nextwait = -1;
+
+ while(running) {
+ if(poll(&fd, 1, nextwait) == 0) {
+ // Timed out
+ if(termkey_getkey_force(tk, &key) == TERMKEY_RES_KEY)
+ on_key(tk, &key);
+ }
+
+ if(fd.revents & (POLLIN|POLLHUP|POLLERR))
+ termkey_advisereadable(tk);
+
+ while((ret = termkey_getkey(tk, &key)) == TERMKEY_RES_KEY) {
+ on_key(tk, &key);
+
+ if(key.type == TERMKEY_TYPE_UNICODE &&
+ key.modifiers & TERMKEY_KEYMOD_CTRL &&
+ (key.code.codepoint == 'C' || key.code.codepoint == 'c'))
+ running = 0;
+ }
+
+ if(ret == TERMKEY_RES_AGAIN)
+ nextwait = termkey_getwaittime(tk);
+ else
+ nextwait = -1;
+ }
+
+ termkey_destroy(tk);
+}