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authorDavid Schleef <ds@schleef.org>2003-09-27 03:16:28 +0000
committerDavid Schleef <ds@schleef.org>2003-09-27 03:16:28 +0000
commitb3c8d416a4dd8469904fb1fb40fb05e35f6bfd2e (patch)
tree51b2c613dccd007ce73a80e4eb0a0b27f953bd8d
parent4de1f66adb3e03d12755ea24a3d387e3acc63a59 (diff)
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add navigation interface
Original commit message from CVS: add navigation interface
-rw-r--r--gst-libs/gst/navigation/Makefile.am10
-rw-r--r--gst-libs/gst/navigation/navigation.c93
-rw-r--r--gst-libs/gst/navigation/navigation.h64
3 files changed, 167 insertions, 0 deletions
diff --git a/gst-libs/gst/navigation/Makefile.am b/gst-libs/gst/navigation/Makefile.am
new file mode 100644
index 00000000..d29c4193
--- /dev/null
+++ b/gst-libs/gst/navigation/Makefile.am
@@ -0,0 +1,10 @@
+lib_LTLIBRARIES = libgstnavigation.la
+
+libgstnavigation_la_SOURCES = navigation.c
+
+libgstnavigationincludedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/navigation
+libgstnavigationinclude_HEADERS = navigation.h
+
+libgstnavigation_la_LIBADD =
+libgstnavigation_la_CFLAGS = $(GST_CFLAGS) $(GST_OPT_CFLAGS)
+libgstnavigation_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
diff --git a/gst-libs/gst/navigation/navigation.c b/gst-libs/gst/navigation/navigation.c
new file mode 100644
index 00000000..4ae996d8
--- /dev/null
+++ b/gst-libs/gst/navigation/navigation.c
@@ -0,0 +1,93 @@
+/* GStreamer Navigation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * navigation.c: navigation design virtual class function wrappers
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/navigation/navigation.h>
+
+static void gst_navigation_class_init (GstNavigationClass *klass);
+
+GType
+gst_navigation_get_type (void)
+{
+ static GType gst_navigation_type = 0;
+
+ if (!gst_navigation_type) {
+ static const GTypeInfo gst_navigation_info = {
+ sizeof (GstNavigationClass),
+ (GBaseInitFunc) gst_navigation_class_init,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0,
+ 0,
+ NULL,
+ };
+
+ gst_navigation_type = g_type_register_static (G_TYPE_INTERFACE,
+ "GstNavigation",
+ &gst_navigation_info, 0);
+ g_type_interface_add_prerequisite (gst_navigation_type,
+ GST_TYPE_INTERFACE);
+ }
+
+ return gst_navigation_type;
+}
+
+static void
+gst_navigation_class_init (GstNavigationClass *klass)
+{
+ /* default virtual functions */
+ klass->send_event = NULL;
+}
+
+void
+gst_navigation_send_event (GstNavigation *navigation, GstCaps *caps)
+{
+ GstNavigationClass *klass = GST_NAVIGATION_GET_CLASS (navigation);
+
+ if (klass->send_event) {
+ return klass->send_event (navigation, caps);
+ }
+}
+
+void
+gst_navigation_send_key_event (GstNavigation *navigation, const char *key)
+{
+ gst_navigation_send_event (navigation, GST_CAPS_NEW ("key_event",
+ "application/x-gst-navigation",
+ "key", GST_PROPS_STRING (key)));
+}
+
+void
+gst_navigation_send_mouse_event (GstNavigation *navigation, double x,
+ double y)
+{
+ gst_navigation_send_event (navigation, GST_CAPS_NEW ("mouse_event",
+ "application/x-gst-navigation",
+ "pointer_x", GST_PROPS_FLOAT (x),
+ "pointer_y", GST_PROPS_FLOAT (y)));
+}
+
+
diff --git a/gst-libs/gst/navigation/navigation.h b/gst-libs/gst/navigation/navigation.h
new file mode 100644
index 00000000..a7058393
--- /dev/null
+++ b/gst-libs/gst/navigation/navigation.h
@@ -0,0 +1,64 @@
+/* GStreamer Navigation
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ * Copyright (C) 2003 David A. Schleef <ds@schleef.org>
+ *
+ * navigation.h: navigation interface design
+ *
+ * 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 __GST_NAVIGATION_H__
+#define __GST_NAVIGATION_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_NAVIGATION \
+ (gst_navigation_get_type ())
+#define GST_NAVIGATION(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_NAVIGATION, GstNavigation))
+#define GST_NAVIGATION_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_NAVIGATION, GstNavigationClass))
+#define GST_IS_NAVIGATION(obj) \
+ (GST_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_NAVIGATION))
+#define GST_IS_NAVIGATION_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_NAVIGATION))
+#define GST_NAVIGATION_GET_CLASS(inst) \
+ (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_NAVIGATION, GstNavigationClass))
+
+typedef struct _GstNavigation GstNavigation;
+
+typedef struct _GstNavigationClass {
+ GTypeInterface klass;
+
+ /* virtual functions */
+ void (*send_event) (GstNavigation *navigation, GstCaps *caps);
+
+} GstNavigationClass;
+
+GType gst_navigation_get_type (void);
+
+/* virtual class function wrappers */
+void gst_navigation_send_event (GstNavigation *navigation, GstCaps *caps);
+
+void gst_navigation_send_key_event (GstNavigation *navigation, const char *key);
+void gst_navigation_send_mouse_event (GstNavigation *navigation, double x,
+ double y);
+
+G_END_DECLS
+
+#endif /* __GST_NAVIGATION_H__ */