Well this is just ludicrous.

I told you it hated me. SVN revision: 1234
1999-11-10 09:12:40 +00:00 · 1999-11-10 09:12:40 +00:00 · 21fc24fab2
parent 8afec77a04
commit 21fc24fab2
1 changed files with 166 additions and 0 deletions
--- a/epplets/E-Mixer.c
+++ b/epplets/E-Mixer.c
@ -0,0 +1,166 @@
+/* E-Mixer.c
+ *
+ * Copyright (C) 1999 Tom Gilbert
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <config.h>
+#include <epplet.h>
+
+#ifdef HAVE_LINUX_SOUNDCARD_H
+#include <linux/soundcard.h>
+#elif HAVE_MACHINE_SOUNDCARD_H
+#include <machine/soundcard.h>
+#elif HAVE_SYS_SOUNDCARD_H
+#include <sys/soundcard.h>
+#else
+#error No soundcard defenition!
+#endif /* SOUNDCARD_H */
+
+Epplet_gadget slider, mutebtn, closebtn, helpbtn;
+
+int mixerfd = -1;
+int mute;
+int vol;
+
+static void
+openMixer (char *device_name)
+{
+  int res, ver;
+
+  mixerfd = open (device_name, O_RDWR, 0);
+  if (mixerfd < 0)
+    {
+      fprintf (stderr, "Couldn't open mixer device %s\n", device_name);
+      exit (1);
+    }
+
+  /* check driver-version */
+#ifdef OSS_GETVERSION
+  res = ioctl (mixerfd, OSS_GETVERSION, &ver);
+  if ((res == 0) && (ver != SOUND_VERSION))
+    {
+      fprintf (stderr, "warning: compiled "
+	       "with a different version of\nsoundcard.h.\n");
+    }
+#endif
+}
+
+static int
+readMixer (void)
+{
+  int tvol, r, l;
+
+  ioctl (mixerfd, MIXER_READ (SOUND_MIXER_VOLUME), &tvol);
+
+  l = tvol & 0xff;
+  r = (tvol & 0xff00) >> 8;
+
+  return (r + l) / 2;
+}
+
+static void
+setMixer (int vol)
+{
+  int tvol;
+
+  tvol = (vol << 8) + vol;
+  ioctl (mixerfd, MIXER_WRITE (SOUND_MIXER_VOLUME), &tvol);
+}
+
+static void
+cb_close (void *data)
+{
+  Epplet_unremember ();
+  close (mixerfd);
+  exit (0);
+}
+
+static void
+mute_cb (void *data)
+{
+  if (mute == 1)
+    setMixer (0);
+  else
+    setMixer (vol);
+}
+
+static void
+adj_cb (void *data)
+{
+  if (!mute)
+    setMixer (vol);
+}
+
+static void
+cb_help (void *data)
+{
+  Epplet_show_about ("E-Mixer");
+}
+
+static void
+mixer_timeout_callback (void *data)
+{
+  vol = readMixer ();
+  Epplet_gadget_data_changed (slider);
+}
+
+static void
+create_mixer_gadget (void)
+{
+  vol = readMixer ();
+
+  slider =
+    Epplet_create_hslider (30, 3, 48, 0, 100, 1, 25, &vol, adj_cb, NULL);
+  mutebtn =
+    Epplet_create_togglebutton ("M", NULL, 80, 2, 12, 12, &mute, mute_cb,
+				NULL);
+  closebtn = Epplet_create_button (NULL, NULL, 2, 2, 0, 0, "CLOSE", 0,
+				   NULL, cb_close, NULL);
+  helpbtn = Epplet_create_button (NULL, NULL, 16, 2, 0, 0, "HELP", 0,
+				  NULL, cb_help, NULL);
+  mute = 0;
+
+  Epplet_gadget_show (slider);
+  Epplet_gadget_show (mutebtn);
+  Epplet_gadget_show (closebtn);
+  Epplet_gadget_show (helpbtn);
+  Epplet_timer (mixer_timeout_callback, NULL, 0.5, "TIMER");
+
+  Epplet_timer (mixer_timeout_callback, NULL, 0.5, "TIMER");
+
+}
+
+int
+main (int argc, char **argv)
+{
+  openMixer ("/dev/mixer");
+  atexit (Epplet_cleanup);
+  Epplet_Init ("E-Mixer", "0.2", "Enlightenment Volume Control Epplet", 6, 1,
+	       argc, argv, 0);
+
+  create_mixer_gadget ();
+
+  Epplet_show ();
+  Epplet_Loop ();
+
+  return 0;
+}