Update upstream source from tag 'upstream/2.0'

[tio] / src / alert.c

diff --git a/src/alert.c b/src/alert.c
new file mode 100644 (file)
index 0000000..4cb0132
--- /dev/null
+++ b/src/alert.c
@@ -0,0 +1,110 @@
+/*
+ * tio - a simple serial terminal I/O tool
+ *
+ * Copyright (c) 2014-2022  Martin Lund
+ *
+ * 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 "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include "error.h"
+#include "print.h"
+#include "options.h"
+
+enum alert_t alert_option_parse(const char *arg)
+{
+    enum alert_t alert = option.alert; // Default
+
+    if (arg != NULL)
+    {
+        if (strcmp(arg, "none") == 0)
+        {
+            return ALERT_NONE;
+        }
+        else if (strcmp(arg, "bell") == 0)
+        {
+            return ALERT_BELL;
+        }
+        else if (strcmp(arg, "blink") == 0)
+        {
+            return ALERT_BLINK;
+        }
+    }
+
+    return alert;
+}
+
+void blink_background(void)
+{
+    // Turn on reverse video
+    printf("\e[?5h");
+    fflush(stdout);
+
+    usleep(200*1000);
+
+    // Turn on normal video
+    printf("\e[?5l");
+    fflush(stdout);
+}
+
+void sound_bell(void)
+{
+    // Audio bell
+    printf("\a");
+    fflush(stdout);
+}
+
+void alert_connect(void)
+{
+    switch (option.alert)
+    {
+        case ALERT_NONE:
+            break;
+        case ALERT_BELL:
+            sound_bell();
+            break;
+        case ALERT_BLINK:
+            blink_background();
+            break;
+        default:
+            break;
+    }
+}
+
+void alert_disconnect(void)
+{
+    switch (option.alert)
+    {
+        case ALERT_NONE:
+            break;
+        case ALERT_BELL:
+            sound_bell();
+            usleep(200*1000);
+            sound_bell();
+            break;
+        case ALERT_BLINK:
+            blink_background();
+            usleep(200*1000);
+            blink_background();
+            break;
+        default:
+            break;
+    }
+}