moved from Mate-Extra

1 files changed, 82 insertions, 0 deletions

diff --git a/gst-mixer/src/volume.h b/gst-mixer/src/volume.h
new file mode 100644
index 0000000..678aab4
--- /dev/null
+++ b/gst-mixer/src/volume.h
@@ -0,0 +1,82 @@
+/* MATE Volume Control
+ * Copyright (C) 2003-2004 Ronald Bultje <[email protected]>
+ *
+ * volume.h: representation of a track's volume channels
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GVC_VOLUME_H__
+#define __GVC_VOLUME_H__
+
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <gst/interfaces/mixer.h>
+
+G_BEGIN_DECLS
+
+#define MATE_VOLUME_CONTROL_TYPE_VOLUME \
+  (mate_volume_control_volume_get_type ())
+#define MATE_VOLUME_CONTROL_VOLUME(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), MATE_VOLUME_CONTROL_TYPE_VOLUME, \
+			       MateVolumeControlVolume))
+#define MATE_VOLUME_CONTROL_VOLUME_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), MATE_VOLUME_CONTROL_TYPE_VOLUME, \
+			    MateVolumeControlVolumeClass))
+#define MATE_VOLUME_CONTROL_IS_VOLUME(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MATE_VOLUME_CONTROL_TYPE_VOLUME))
+#define MATE_VOLUME_CONTROL_IS_VOLUME_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), MATE_VOLUME_CONTROL_TYPE_VOLUME))
+
+typedef struct _MateVolumeControlVolume {
+  GtkFixed parent;
+
+  /* track + mixer */
+  GstMixer *mixer;
+  GstMixerTrack *track;
+
+  /* padding */
+  gint padding;
+
+  /* childs */
+  GList *scales;
+  GtkWidget *button, *image;
+
+  /* this will be set to true if the user changes volumes
+   * in the mixer as a response to a user query. It prevents
+   * infinite loops. */
+  gboolean locked;
+
+  /* signal ID */
+  guint id;
+} MateVolumeControlVolume;
+
+typedef struct _MateVolumeControlVolumeClass {
+  GtkFixedClass klass;
+} MateVolumeControlVolumeClass;
+
+GType		mate_volume_control_volume_get_type	(void);
+GtkWidget *	mate_volume_control_volume_new	(GstMixer *mixer,
+						 GstMixerTrack *track,
+						 gint      padding);
+void		mate_volume_control_volume_ask (MateVolumeControlVolume *volume,
+						 gboolean * real_zero,
+						 gboolean * slider_zero);
+void		mate_volume_control_volume_update (MateVolumeControlVolume *volume);
+
+G_END_DECLS
+
+#endif /* __GVC_VOLUME_H__ */