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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2018 Canonical Ltd.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "cc-device-combo-box.h"
#include "cc-sound-resources.h"
struct _CcDeviceComboBox
{
GtkComboBox parent_instance;
GtkListStore *device_model;
GvcMixerControl *mixer_control;
guint added_handler_id;
guint removed_handler_id;
guint active_update_handler_id;
gboolean is_output;
};
G_DEFINE_TYPE (CcDeviceComboBox, cc_device_combo_box, GTK_TYPE_COMBO_BOX)
static void
device_added_cb (CcDeviceComboBox *self,
guint id)
{
GvcMixerUIDevice *device = NULL;
g_autofree gchar *label = NULL;
g_autofree gchar *icon_name = NULL;
const gchar *origin;
GtkTreeIter iter;
if (self->is_output)
device = gvc_mixer_control_lookup_output_id (self->mixer_control, id);
else
device = gvc_mixer_control_lookup_input_id (self->mixer_control, id);
if (device == NULL)
return;
origin = gvc_mixer_ui_device_get_origin (device);
if (origin && origin[0] != '\0')
{
label = g_strdup_printf ("%s - %s",
gvc_mixer_ui_device_get_description (device),
origin);
}
else
{
label = g_strdup (gvc_mixer_ui_device_get_description (device));
}
if (gvc_mixer_ui_device_get_icon_name (device) != NULL)
icon_name = g_strdup_printf ("%s-symbolic", gvc_mixer_ui_device_get_icon_name (device));
gtk_list_store_append (self->device_model, &iter);
gtk_list_store_set (self->device_model, &iter,
0, label,
1, icon_name,
2, id,
-1);
}
static gboolean
get_iter (CcDeviceComboBox *self,
guint id,
GtkTreeIter *iter)
{
if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (self->device_model), iter))
return FALSE;
do
{
guint i;
gtk_tree_model_get (GTK_TREE_MODEL (self->device_model), iter, 2, &i, -1);
if (i == id)
return TRUE;
} while (gtk_tree_model_iter_next (GTK_TREE_MODEL (self->device_model), iter));
return FALSE;
}
static void
device_removed_cb (CcDeviceComboBox *self,
guint id)
{
GtkTreeIter iter;
if (get_iter (self, id, &iter))
gtk_list_store_remove (self->device_model, &iter);
}
static void
active_device_update_cb (CcDeviceComboBox *self,
guint id)
{
GtkTreeIter iter;
if (get_iter (self, id, &iter))
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (self), &iter);
}
static void
cc_device_combo_box_dispose (GObject *object)
{
CcDeviceComboBox *self = CC_DEVICE_COMBO_BOX (object);
g_clear_object (&self->mixer_control);
G_OBJECT_CLASS (cc_device_combo_box_parent_class)->dispose (object);
}
void
cc_device_combo_box_class_init (CcDeviceComboBoxClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = cc_device_combo_box_dispose;
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/sound/cc-device-combo-box.ui");
gtk_widget_class_bind_template_child (widget_class, CcDeviceComboBox, device_model);
}
void
cc_device_combo_box_init (CcDeviceComboBox *self)
{
g_resources_register (cc_sound_get_resource ());
gtk_widget_init_template (GTK_WIDGET (self));
}
void
cc_device_combo_box_set_mixer_control (CcDeviceComboBox *self,
GvcMixerControl *mixer_control,
gboolean is_output)
{
const gchar *added_signal, *removed_signal, *active_update_signal;
g_return_if_fail (CC_IS_DEVICE_COMBO_BOX (self));
if (self->mixer_control != NULL)
{
g_signal_handler_disconnect (self->mixer_control, self->added_handler_id);
self->added_handler_id = 0;
g_signal_handler_disconnect (self->mixer_control, self->removed_handler_id);
self->removed_handler_id = 0;
g_signal_handler_disconnect (self->mixer_control, self->active_update_handler_id);
self->active_update_handler_id = 0;
}
g_clear_object (&self->mixer_control);
self->mixer_control = g_object_ref (mixer_control);
self->is_output = is_output;
if (is_output)
{
added_signal = "output-added";
removed_signal = "output-removed";
active_update_signal = "active-output-update";
}
else
{
added_signal = "input-added";
removed_signal = "input-removed";
active_update_signal = "active-input-update";
}
self->added_handler_id = g_signal_connect_object (self->mixer_control,
added_signal,
G_CALLBACK (device_added_cb),
self, G_CONNECT_SWAPPED);
self->removed_handler_id = g_signal_connect_object (self->mixer_control,
removed_signal,
G_CALLBACK (device_removed_cb),
self, G_CONNECT_SWAPPED);
self->active_update_handler_id = g_signal_connect_object (self->mixer_control,
active_update_signal,
G_CALLBACK (active_device_update_cb),
self, G_CONNECT_SWAPPED);
}
GvcMixerUIDevice *
cc_device_combo_box_get_device (CcDeviceComboBox *self)
{
GtkTreeIter iter;
guint id;
g_return_val_if_fail (CC_IS_DEVICE_COMBO_BOX (self), NULL);
if (!gtk_combo_box_get_active_iter (GTK_COMBO_BOX (self), &iter))
return NULL;
gtk_tree_model_get (GTK_TREE_MODEL (self->device_model), &iter, 2, &id, -1);
if (self->is_output)
return gvc_mixer_control_lookup_output_id (self->mixer_control, id);
else
return gvc_mixer_control_lookup_input_id (self->mixer_control, id);
}
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