1 files changed, 144 insertions, 0 deletions
diff --git a/app/wlib/gtklib/timer.c b/app/wlib/gtklib/timer.c
new file mode 100644
index 0000000..812908f
--- /dev/null
+++ b/app/wlib/gtklib/timer.c
@@ -0,0 +1,144 @@
+/** \file timer.c
+ * Timer Functions
+ *
+ * Copyright 2016 Martin Fischer <m_fischer@sf.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ *
+ */
+
+#include <stdio.h>
+#include <sys/time.h>
+#include <signal.h>
+
+#define GTK_DISABLE_SINGLE_INCLUDES
+#define GDK_DISABLE_DEPRECATED
+#define GTK_DISABLE_DEPRECATED
+#define GSEAL_ENABLE
+
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+
+#include "gtkint.h"
+//#include "i18n.h"
+
+static wBool_t gtkPaused = FALSE;
+static int alarmTimer = 0;
+static struct timeval startTime;
+
+static wControl_p triggerControl = NULL;
+static setTriggerCallback_p triggerFunc = NULL;
+
+/**
+ * Signal handler for alarm timer - executes the defined function when
+ * timer expires
+ *
+ * \param data IN callback function
+ * \returns alwys 0
+ */
+
+static gint doAlarm(
+    gpointer data)
+{
+    wAlarmCallBack_p func = (wAlarmCallBack_p)data;
+
+    func();
+
+    alarmTimer = 0;
+    return FALSE;
+}
+
+/**
+ * Alarm for <count> milliseconds.
+ *
+ * \param count IN time to wait
+ * \param func IN function called when timer expires
+ */
+
+void wAlarm(
+    long count,
+    wAlarmCallBack_p func)		/* milliseconds */
+{
+    gtkPaused = TRUE;
+
+    if (alarmTimer) {
+        g_source_remove(alarmTimer);
+    }
+
+    alarmTimer = g_timeout_add(count, doAlarm, (void *)(GSourceFunc)func);
+}
+
+static void doTrigger(void)
+{
+    if (triggerControl && triggerFunc) {
+        triggerFunc(triggerControl);
+        triggerFunc = NULL;
+        triggerControl = NULL;
+    }
+}
+
+void wlibSetTrigger(
+    wControl_p b,
+    setTriggerCallback_p trigger)
+{
+    triggerControl = b;
+    triggerFunc = trigger;
+    wAlarm(500, doTrigger);
+}
+
+/**
+ * Pause for <count> milliseconds.
+ *
+ * \param count IN
+ */
+
+void wPause(
+    long count)		/* milliseconds */
+{
+    struct timeval timeout;
+    sigset_t signal_mask;
+    sigset_t oldsignal_mask;
+    gdk_display_sync(gdk_display_get_default());
+    timeout.tv_sec = count/1000;
+    timeout.tv_usec = (count%1000)*1000;
+    sigemptyset(&signal_mask);
+    sigaddset(&signal_mask, SIGIO);
+    sigaddset(&signal_mask, SIGALRM);
+    sigprocmask(SIG_BLOCK, &signal_mask, &oldsignal_mask);
+
+    if (select(0, NULL, NULL, NULL, &timeout) == -1) {
+        perror("wPause:select");
+    }
+
+    sigprocmask(SIG_BLOCK, &oldsignal_mask, NULL);
+}
+
+/**
+ * Get time expired since start???
+ * \todo Check where start time is initialized!!!
+ *
+ * \returns time in seconds
+ */
+
+unsigned long wGetTimer(void)
+{
+    struct timeval tv;
+    struct timezone tz;
+    
+    gettimeofday(&tv, &tz);
+    return (tv.tv_sec-startTime.tv_sec+1) * 1000 + tv.tv_usec /1000;
+}