1 files changed, 347 insertions, 0 deletions
diff --git a/trunk/src/bacon-v4l-selection.c b/trunk/src/bacon-v4l-selection.c
new file mode 100644
index 000000000..59801ecf9
--- /dev/null
+++ b/trunk/src/bacon-v4l-selection.c
@@ -0,0 +1,347 @@
+/* 
+ * Copyright (C) 2002 Bastien Nocera <hadess@hadess.net>
+ *
+ * bacon-v4l-selection.c
+ *
+ * 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.
+ *
+ * Authors: Bastien Nocera <hadess@hadess.net>
+ *
+ * The Totem project hereby grant permission for non-gpl compatible GStreamer
+ * plugins to be used and distributed together with GStreamer and Totem. This
+ * permission are above and beyond the permissions granted by the GPL license
+ * Totem is covered by.
+ *
+ * Monday 7th February 2005: Christian Schaller: Add excemption clause.
+ * See license_change file for details.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <string.h>
+
+#include <gtk/gtkmenu.h>
+#include <gtk/gtkcombobox.h>
+#include <gtk/gtkliststore.h>
+#include <gtk/gtkcelllayout.h>
+#include <gtk/gtkcellrenderertext.h>
+
+#include "bacon-v4l-selection.h"
+#include "video-dev.h"
+
+/* Signals */
+enum {
+	DEVICE_CHANGED,
+	LAST_SIGNAL
+};
+
+/* Arguments */
+enum {
+	PROP_0,
+	PROP_DEVICE,
+};
+
+struct BaconV4lSelectionPrivate {
+	GList *cdroms;
+};
+
+static void bacon_v4l_selection_init (BaconV4lSelection *bvs);
+
+static void bacon_v4l_selection_set_property (GObject *object, guint property_id,
+		const GValue *value, GParamSpec *pspec);
+static void bacon_v4l_selection_get_property (GObject *object, guint property_id,
+		GValue *value, GParamSpec *pspec);
+
+static void bacon_v4l_selection_finalize (GObject *object);
+
+static GtkWidgetClass *parent_class = NULL;
+
+static int bvs_table_signals[LAST_SIGNAL] = { 0 };
+
+static VideoDev *
+get_video_device (BaconV4lSelection *bvs, int nr)
+{
+	GList *item;
+
+	item = g_list_nth (bvs->priv->cdroms, nr);
+	if (item == NULL)
+		return NULL;
+	else
+		return item->data;
+}
+
+G_DEFINE_TYPE(BaconV4lSelection, bacon_v4l_selection, GTK_TYPE_COMBO_BOX)
+
+static void
+bacon_v4l_selection_class_init (BaconV4lSelectionClass *klass)
+{
+	GObjectClass *object_class;
+	GtkWidgetClass *widget_class;
+
+	object_class = (GObjectClass *) klass;
+	widget_class = (GtkWidgetClass *) klass;
+
+	parent_class = gtk_type_class (gtk_combo_box_get_type ());
+
+	/* GObject */
+	object_class->set_property = bacon_v4l_selection_set_property;
+	object_class->get_property = bacon_v4l_selection_get_property;
+	object_class->finalize = bacon_v4l_selection_finalize;
+
+	/* Properties */
+	g_object_class_install_property (object_class, PROP_DEVICE,
+			g_param_spec_string ("device", NULL, NULL,
+				FALSE, G_PARAM_READWRITE));
+
+	/* Signals */
+	bvs_table_signals[DEVICE_CHANGED] =
+		g_signal_new ("device-changed",
+				G_TYPE_FROM_CLASS (object_class),
+				G_SIGNAL_RUN_LAST,
+				G_STRUCT_OFFSET (BaconV4lSelectionClass,
+					device_changed),
+				NULL, NULL,
+				g_cclosure_marshal_VOID__STRING,
+				G_TYPE_NONE, 1, G_TYPE_STRING);
+}
+
+static void
+bacon_v4l_selection_init (BaconV4lSelection *bvs)
+{
+	bvs->priv = g_new0 (BaconV4lSelectionPrivate, 1);
+}
+
+static void
+bacon_v4l_selection_finalize (GObject *object)
+{
+	GList *l;
+	BaconV4lSelection *bvs = (BaconV4lSelection *) object;
+
+	g_return_if_fail (bvs != NULL);
+	g_return_if_fail (BACON_IS_V4L_SELECTION (bvs));
+
+	l = bvs->priv->cdroms;
+	while (l != NULL)
+	{
+		VideoDev *cdrom = l->data;
+
+		l = g_list_remove (l, cdrom);
+		video_dev_free (cdrom);
+	}
+
+	g_free (bvs->priv);
+	bvs->priv = NULL;
+
+	if (G_OBJECT_CLASS (parent_class)->finalize != NULL) {
+		(* G_OBJECT_CLASS (parent_class)->finalize) (object);
+	}
+}
+
+static void
+combo_device_changed (GtkComboBox *combo, gpointer user_data)
+{
+	BaconV4lSelection *bvs = (BaconV4lSelection *) user_data;
+	VideoDev *drive;
+	int i;
+
+	i = gtk_combo_box_get_active (combo);
+	drive = get_video_device (bvs, i);
+
+	g_signal_emit (G_OBJECT (bvs),
+		       bvs_table_signals[DEVICE_CHANGED],
+		       0, drive->device);
+}
+
+static void
+cdrom_combo_box (BaconV4lSelection *bvs)
+{
+	GList *l;
+	VideoDev *cdrom;
+
+	bvs->priv->cdroms = scan_for_video_devices ();
+
+	for (l = bvs->priv->cdroms; l != NULL; l = l->next)
+	{
+		cdrom = l->data;
+
+		if (cdrom->display_name == NULL) {
+			g_warning ("cdrom->display_name != NULL failed");
+		}
+
+		gtk_combo_box_append_text (GTK_COMBO_BOX (bvs),
+				cdrom->display_name
+				? cdrom->display_name : _("Unnamed CDROM"));
+	}
+	gtk_combo_box_set_active (GTK_COMBO_BOX (bvs), 0);
+
+	if (bvs->priv->cdroms == NULL) {
+		gtk_widget_set_sensitive (GTK_WIDGET (bvs), FALSE);
+	}
+}
+
+GtkWidget *
+bacon_v4l_selection_new (void)
+{
+	GtkWidget *widget;
+	BaconV4lSelection *bvs;
+	GtkCellRenderer *cell;
+	GtkListStore *store;
+
+	widget = GTK_WIDGET
+		(g_object_new (bacon_v4l_selection_get_type (), NULL));
+
+	store = gtk_list_store_new (1, G_TYPE_STRING);
+	gtk_combo_box_set_model (GTK_COMBO_BOX (widget),
+			GTK_TREE_MODEL (store));
+
+	cell = gtk_cell_renderer_text_new ();
+	gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (widget), cell, TRUE);
+	gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (widget), cell,
+			"text", 0,
+			NULL);
+
+	bvs = BACON_V4L_SELECTION (widget);
+	cdrom_combo_box (bvs);
+
+	g_signal_connect (G_OBJECT (bvs), "changed",
+			G_CALLBACK (combo_device_changed), bvs);
+
+	return widget;
+}
+
+/* Properties */
+static void
+bacon_v4l_selection_set_property (GObject *object, guint property_id,
+		const GValue *value, GParamSpec *pspec)
+{
+	BaconV4lSelection *bvs;
+
+	g_return_if_fail (BACON_IS_V4L_SELECTION (object));
+
+	bvs = BACON_V4L_SELECTION (object);
+
+	switch (property_id)
+	{
+	case PROP_DEVICE:
+		bacon_v4l_selection_set_device (bvs, g_value_get_string (value));
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+	}
+}
+
+static void
+bacon_v4l_selection_get_property (GObject *object, guint property_id,
+		GValue *value, GParamSpec *pspec)
+{
+	BaconV4lSelection *bvs;
+
+	g_return_if_fail (BACON_IS_V4L_SELECTION (object));
+
+	bvs = BACON_V4L_SELECTION (object);
+
+	switch (property_id)
+	{
+	case PROP_DEVICE:
+		g_value_set_string (value, bacon_v4l_selection_get_device (bvs));
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+	}
+}
+
+const char *
+bacon_v4l_selection_get_default_device (BaconV4lSelection *bvs)
+{
+	GList *l;
+	VideoDev *drive;
+
+	g_return_val_if_fail (bvs != NULL, "/dev/video0");
+	g_return_val_if_fail (BACON_IS_V4L_SELECTION (bvs), "/dev/video0");
+
+	l = bvs->priv->cdroms;
+	if (bvs->priv->cdroms == NULL)
+		return "/dev/video0";
+
+	drive = l->data;
+
+	return drive->device;
+}
+
+void
+bacon_v4l_selection_set_device (BaconV4lSelection *bvs, const char *device)
+{
+	GList *l;
+	VideoDev *drive;
+	gboolean found;
+	int i;
+
+	found = FALSE;
+	i = -1;
+
+	g_return_if_fail (bvs != NULL);
+	g_return_if_fail (BACON_IS_V4L_SELECTION (bvs));
+
+	for (l = bvs->priv->cdroms; l != NULL && found == FALSE;
+			l = l->next)
+	{
+		i++;
+
+		drive = l->data;
+
+		if (strcmp (drive->device, device) == 0)
+			found = TRUE;
+	}
+
+	if (found)
+	{
+		gtk_combo_box_set_active (GTK_COMBO_BOX (bvs), i);
+	} else {
+		/* If the device doesn't exist, set it back to
+		 * the default */
+		gtk_combo_box_set_active (GTK_COMBO_BOX (bvs), 0);
+
+		drive = get_video_device (bvs, 0);
+
+		if (drive == NULL)
+			return;
+
+		g_signal_emit (G_OBJECT (bvs),
+				bvs_table_signals [DEVICE_CHANGED],
+				0, drive->device);
+	}
+}
+
+const char *
+bacon_v4l_selection_get_device (BaconV4lSelection *bvs)
+{
+	VideoDev *drive;
+	int i;
+
+	g_return_val_if_fail (bvs != NULL, NULL);
+	g_return_val_if_fail (BACON_IS_V4L_SELECTION (bvs), NULL);
+
+	i = gtk_combo_box_get_active (GTK_COMBO_BOX (bvs));
+	drive = get_video_device (bvs, i);
+
+	return drive ? drive->device : NULL;
+}
+