*add* autohide

[chaz/tint2] / src / util / timer.c

diff --git a/src/util/timer.c b/src/util/timer.c
index 8ffadc88d829b9d05453c7bea2c7efd615ec96bd..6bb757837861e187d7007466bd4584b4f03789c8 100644 (file)
--- a/src/util/timer.c
+++ b/src/util/timer.c
@@ -21,9 +21,9 @@
 #include "timer.h"
 
 GSList* timeout_list = 0;
-struct timespec next_timeout;
+struct timeval next_timeout;
 
-void add_timeout_intern(int value_msec, int interval_msec, void(*_callback)(), struct timeout* t);
+void add_timeout_intern(int value_msec, int interval_msec, void(*_callback)(void*), void* arg, struct timeout* t);
 gint compare_timeouts(gconstpointer t1, gconstpointer t2);
 gint compare_timespecs(const struct timespec* t1, const struct timespec* t2);
 int timespec_subtract(struct timespec* result, struct timespec* x, struct timespec* y);
@@ -36,20 +36,27 @@ int timespec_subtract(struct timespec* result, struct timespec* x, struct timesp
        * is in the past to the current time.
        * As time measurement we use clock_gettime(CLOCK_MONOTONIC) because this refers to a timer, which
        * reference point lies somewhere in the past and cannot be changed, but just queried.
+       * If a single shot timer is installed it will be automatically deleted. I.e. the returned value
+       * of add_timeout will not be valid anymore. You do not need to call stop_timeout for these timeouts,
+       * however it's save to call it.
 **/
 
-const struct timeout* add_timeout(int value_msec, int interval_msec, void (*_callback)())
+const struct timeout* add_timeout(int value_msec, int interval_msec, void (*_callback)(void*), void* arg)
 {
        struct timeout* t = malloc(sizeof(struct timeout));
-       add_timeout_intern(value_msec, interval_msec, _callback, t);
+       add_timeout_intern(value_msec, interval_msec, _callback, arg, t);
        return t;
 }
 
 
-void change_timeout(const struct timeout *t, int value_msec, int interval_msec, void(*_callback)())
+void change_timeout(const struct timeout *t, int value_msec, int interval_msec, void(*_callback)(), void* arg)
 {
-       timeout_list = g_slist_remove(timeout_list, t);
-       add_timeout_intern(value_msec, interval_msec, _callback, (struct timeout*)t);
+       if ( g_slist_find(timeout_list, t) == 0 )
+               printf("timeout already deleted...");
+       else {
+               timeout_list = g_slist_remove(timeout_list, t);
+               add_timeout_intern(value_msec, interval_msec, _callback, arg, (struct timeout*)t);
+       }
 }
 
 
@@ -58,10 +65,15 @@ void update_next_timeout()
        if (timeout_list) {
                struct timeout* t = timeout_list->data;
                struct timespec cur_time;
+               struct timespec next_timeout2 = { .tv_sec=next_timeout.tv_sec, .tv_nsec=next_timeout.tv_usec*1000 };
                clock_gettime(CLOCK_MONOTONIC, &cur_time);
-               if (timespec_subtract(&next_timeout, &t->timeout_expires, &cur_time)) {
+               if (timespec_subtract(&next_timeout2, &t->timeout_expires, &cur_time)) {
                        next_timeout.tv_sec = 0;
-                       next_timeout.tv_nsec = 0;
+                       next_timeout.tv_usec = 0;
+               }
+               else {
+                       next_timeout.tv_sec = next_timeout2.tv_sec;
+                       next_timeout.tv_usec = next_timeout2.tv_nsec/1000;
                }
        }
        else
@@ -78,12 +90,12 @@ void callback_timeout_expired()
                t = timeout_list->data;
                if (compare_timespecs(&t->timeout_expires, &cur_time) <= 0) {
                        // it's time for the callback function
-                       t->_callback();
+                       t->_callback(t->arg);
                        if (g_slist_find(timeout_list, t)) {
                                // if _callback() calls stop_timeout(t) the timeout 't' was freed and is not in the timeout_list
                                timeout_list = g_slist_remove(timeout_list, t);
                                if (t->interval_msec > 0)
-                                       add_timeout_intern(t->interval_msec, t->interval_msec, t->_callback, t);
+                                       add_timeout_intern(t->interval_msec, t->interval_msec, t->_callback, t->arg, t);
                                else
                                        free(t);
                        }
@@ -113,10 +125,11 @@ void stop_all_timeouts()
 }
 
 
-void add_timeout_intern(int value_msec, int interval_msec, void(*_callback)(), struct timeout *t)
+void add_timeout_intern(int value_msec, int interval_msec, void(*_callback)(), void* arg, struct timeout *t)
 {
        t->interval_msec = interval_msec;
        t->_callback = _callback;
+       t->arg = arg;
        struct timespec expire;
        clock_gettime(CLOCK_MONOTONIC, &expire);
        expire.tv_sec += value_msec / 1000;