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authorDima Zavin <dima@android.com>2011-08-30 20:59:45 +0200
committerDima Zavin <dima@android.com>2011-09-02 23:55:20 +0200
commitbc29063bf4e2312133d91e211dfe9c86ee811489 (patch)
tree7bc5a29a8f1201e3af7ab25846398722e8b05dc3 /minui/events.c
parentminui: graphics: add interface for framebuffer blank/unblank (diff)
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Diffstat (limited to 'minui/events.c')
-rw-r--r--minui/events.c49
1 files changed, 36 insertions, 13 deletions
diff --git a/minui/events.c b/minui/events.c
index 3aed2a860..eca3bc73b 100644
--- a/minui/events.c
+++ b/minui/events.c
@@ -26,10 +26,18 @@
#define MAX_DEVICES 16
+struct fd_info {
+ ev_callback cb;
+ void *data;
+};
+
static struct pollfd ev_fds[MAX_DEVICES];
+static struct fd_info ev_fdinfo[MAX_DEVICES];
+
static unsigned ev_count = 0;
+static unsigned ev_dev_count = 0;
-int ev_init(void)
+int ev_init(ev_callback input_cb, void *data)
{
DIR *dir;
struct dirent *de;
@@ -45,6 +53,8 @@ int ev_init(void)
ev_fds[ev_count].fd = fd;
ev_fds[ev_count].events = POLLIN;
+ ev_fdinfo[ev_count].cb = input_cb;
+ ev_fdinfo[ev_count].data = data;
ev_count++;
if(ev_count == MAX_DEVICES) break;
}
@@ -60,23 +70,36 @@ void ev_exit(void)
}
}
-int ev_get(struct input_event *ev, unsigned dont_wait)
+int ev_wait(int timeout)
{
int r;
+
+ r = poll(ev_fds, ev_count, timeout);
+ if (r <= 0)
+ return -1;
+ return 0;
+}
+
+void ev_dispatch(void)
+{
unsigned n;
+ int ret;
- do {
- r = poll(ev_fds, ev_count, dont_wait ? 0 : -1);
+ for (n = 0; n < ev_count; n++) {
+ ev_callback cb = ev_fdinfo[n].cb;
+ if (cb && (ev_fds[n].revents & ev_fds[n].events))
+ cb(ev_fds[n].fd, ev_fds[n].revents, ev_fdinfo[n].data);
+ }
+}
- if(r > 0) {
- for(n = 0; n < ev_count; n++) {
- if(ev_fds[n].revents & POLLIN) {
- r = read(ev_fds[n].fd, ev, sizeof(*ev));
- if(r == sizeof(*ev)) return 0;
- }
- }
- }
- } while(dont_wait == 0);
+int ev_get_input(int fd, short revents, struct input_event *ev)
+{
+ int r;
+ if (revents & POLLIN) {
+ r = read(fd, ev, sizeof(*ev));
+ if (r == sizeof(*ev))
+ return 0;
+ }
return -1;
}