1 files changed, 394 insertions, 0 deletions
diff --git a/mate-volume-control/src/gvc-combo-box.c b/mate-volume-control/src/gvc-combo-box.c
new file mode 100644
index 0000000..5e0d82c
--- /dev/null
+++ b/mate-volume-control/src/gvc-combo-box.c
@@ -0,0 +1,394 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2009 Bastien Nocera
+ *
+ * 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 "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <canberra-gtk.h>
+
+#include "gvc-combo-box.h"
+#include "gvc-mixer-stream.h"
+#include "gvc-mixer-card.h"
+
+#define GVC_COMBO_BOX_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_COMBO_BOX, GvcComboBoxPrivate))
+
+struct GvcComboBoxPrivate
+{
+ GtkWidget *drop_box;
+ GtkWidget *start_box;
+ GtkWidget *end_box;
+ GtkWidget *label;
+ GtkWidget *button;
+ GtkTreeModel *model;
+ GtkWidget *combobox;
+ gboolean set_called;
+ GtkSizeGroup *size_group;
+ gboolean symmetric;
+};
+
+enum {
+ COL_NAME,
+ COL_HUMAN_NAME,
+ NUM_COLS
+};
+
+enum {
+ CHANGED,
+ BUTTON_CLICKED,
+ LAST_SIGNAL
+};
+
+enum {
+ PROP_0,
+ PROP_LABEL,
+ PROP_SHOW_BUTTON,
+ PROP_BUTTON_LABEL
+};
+
+static guint signals [LAST_SIGNAL] = { 0, };
+
+static void gvc_combo_box_class_init (GvcComboBoxClass *klass);
+static void gvc_combo_box_init (GvcComboBox *combo_box);
+static void gvc_combo_box_finalize (GObject *object);
+
+G_DEFINE_TYPE (GvcComboBox, gvc_combo_box, GTK_TYPE_HBOX)
+
+void
+gvc_combo_box_set_size_group (GvcComboBox *combo_box,
+ GtkSizeGroup *group,
+ gboolean symmetric)
+{
+ g_return_if_fail (GVC_IS_COMBO_BOX (combo_box));
+
+ combo_box->priv->size_group = group;
+ combo_box->priv->symmetric = symmetric;
+
+ if (combo_box->priv->size_group != NULL) {
+ gtk_size_group_add_widget (combo_box->priv->size_group,
+ combo_box->priv->start_box);
+
+ if (combo_box->priv->symmetric) {
+ gtk_size_group_add_widget (combo_box->priv->size_group,
+ combo_box->priv->end_box);
+ }
+ }
+ gtk_widget_queue_draw (GTK_WIDGET (combo_box));
+}
+
+static void
+gvc_combo_box_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GvcComboBox *self = GVC_COMBO_BOX (object);
+
+ switch (prop_id) {
+ case PROP_LABEL:
+ gtk_label_set_text_with_mnemonic (GTK_LABEL (self->priv->label), g_value_get_string (value));
+ break;
+ case PROP_BUTTON_LABEL:
+ gtk_button_set_label (GTK_BUTTON (self->priv->button), g_value_get_string (value));
+ break;
+ case PROP_SHOW_BUTTON:
+ gtk_widget_set_visible (self->priv->button, g_value_get_boolean (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gvc_combo_box_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GvcComboBox *self = GVC_COMBO_BOX (object);
+
+ switch (prop_id) {
+ case PROP_LABEL:
+ g_value_set_string (value,
+ gtk_label_get_text (GTK_LABEL (self->priv->label)));
+ break;
+ case PROP_BUTTON_LABEL:
+ g_value_set_string (value,
+ gtk_button_get_label (GTK_BUTTON (self->priv->button)));
+ break;
+ case PROP_SHOW_BUTTON:
+ g_value_set_boolean (value,
+ gtk_widget_get_visible (self->priv->button));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gvc_combo_box_class_init (GvcComboBoxClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = gvc_combo_box_finalize;
+ object_class->set_property = gvc_combo_box_set_property;
+ object_class->get_property = gvc_combo_box_get_property;
+
+ g_object_class_install_property (object_class,
+ PROP_LABEL,
+ g_param_spec_string ("label",
+ "label",
+ "The combo box label",
+ _("_Profile:"),
+ G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+ g_object_class_install_property (object_class,
+ PROP_SHOW_BUTTON,
+ g_param_spec_boolean ("show-button",
+ "show-button",
+ "Whether to show the button",
+ FALSE,
+ G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+ g_object_class_install_property (object_class,
+ PROP_BUTTON_LABEL,
+ g_param_spec_string ("button-label",
+ "button-label",
+ "The button's label",
+ "APPLICATION BUG",
+ G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+ signals [CHANGED] =
+ g_signal_new ("changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GvcComboBoxClass, changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__STRING,
+ G_TYPE_NONE, 1, G_TYPE_STRING);
+ signals [BUTTON_CLICKED] =
+ g_signal_new ("button-clicked",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GvcComboBoxClass, button_clicked),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0, G_TYPE_NONE);
+
+ g_type_class_add_private (klass, sizeof (GvcComboBoxPrivate));
+}
+
+void
+gvc_combo_box_set_profiles (GvcComboBox *combo_box,
+ const GList *profiles)
+{
+ const GList *l;
+
+ g_return_if_fail (GVC_IS_COMBO_BOX (combo_box));
+ g_return_if_fail (combo_box->priv->set_called == FALSE);
+
+ for (l = profiles; l != NULL; l = l->next) {
+ GvcMixerCardProfile *p = l->data;
+
+ gtk_list_store_insert_with_values (GTK_LIST_STORE (combo_box->priv->model),
+ NULL,
+ G_MAXINT,
+ COL_NAME, p->profile,
+ COL_HUMAN_NAME, p->human_profile,
+ -1);
+ }
+ combo_box->priv->set_called = TRUE;
+}
+
+void
+gvc_combo_box_set_ports (GvcComboBox *combo_box,
+ const GList *ports)
+{
+ const GList *l;
+
+ g_return_if_fail (GVC_IS_COMBO_BOX (combo_box));
+ g_return_if_fail (combo_box->priv->set_called == FALSE);
+
+ for (l = ports; l != NULL; l = l->next) {
+ GvcMixerStreamPort *p = l->data;
+
+ gtk_list_store_insert_with_values (GTK_LIST_STORE (combo_box->priv->model),
+ NULL,
+ G_MAXINT,
+ COL_NAME, p->port,
+ COL_HUMAN_NAME, p->human_port,
+ -1);
+ }
+ combo_box->priv->set_called = TRUE;
+}
+
+void
+gvc_combo_box_set_active (GvcComboBox *combo_box,
+ const char *id)
+{
+ GtkTreeIter iter;
+ gboolean cont;
+
+ cont = gtk_tree_model_get_iter_first (combo_box->priv->model, &iter);
+ while (cont != FALSE) {
+ char *name;
+
+ gtk_tree_model_get (combo_box->priv->model, &iter,
+ COL_NAME, &name,
+ -1);
+ if (g_strcmp0 (name, id) == 0) {
+ gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_box->priv->combobox), &iter);
+ return;
+ }
+ gtk_tree_model_iter_next (combo_box->priv->model, &iter);
+ }
+ g_warning ("Could not find id '%s' in combo box", id);
+}
+
+static void
+on_combo_box_changed (GtkComboBox *widget,
+ GvcComboBox *combo_box)
+{
+ GtkTreeIter iter;
+ char *profile;
+
+ if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (widget), &iter) == FALSE) {
+ g_warning ("Could not find an active profile or port");
+ return;
+ }
+
+ gtk_tree_model_get (combo_box->priv->model, &iter,
+ COL_NAME, &profile,
+ -1);
+ g_signal_emit (combo_box, signals[CHANGED], 0, profile);
+ g_free (profile);
+}
+
+static void
+on_combo_box_button_clicked (GtkButton *button,
+ GvcComboBox *combo_box)
+{
+ g_signal_emit (combo_box, signals[BUTTON_CLICKED], 0);
+}
+
+static void
+gvc_combo_box_init (GvcComboBox *combo_box)
+{
+ GtkWidget *frame;
+ GtkWidget *box;
+ GtkWidget *sbox;
+ GtkWidget *ebox;
+ GtkCellRenderer *renderer;
+
+
+ combo_box->priv = GVC_COMBO_BOX_GET_PRIVATE (combo_box);
+
+ combo_box->priv->model = GTK_TREE_MODEL (gtk_list_store_new (NUM_COLS,
+ G_TYPE_STRING,
+ G_TYPE_STRING));
+
+ combo_box->priv->label = gtk_label_new (NULL);
+ gtk_misc_set_alignment (GTK_MISC (combo_box->priv->label),
+ 0.0,
+ 0.5);
+
+ /* frame */
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE);
+ gtk_container_add (GTK_CONTAINER (combo_box), frame);
+
+ combo_box->priv->drop_box = box = gtk_hbox_new (FALSE, 6);
+ combo_box->priv->combobox = gtk_combo_box_new_with_model (combo_box->priv->model);
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box->priv->combobox),
+ renderer, FALSE);
+ gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo_box->priv->combobox),
+ renderer,
+ "text", COL_HUMAN_NAME);
+
+/* gtk_widget_set_size_request (combo_box->priv->combobox, 128, -1); */
+
+ combo_box->priv->start_box = sbox = gtk_hbox_new (FALSE, 6);
+ gtk_box_pack_start (GTK_BOX (box), sbox, FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX (sbox), combo_box->priv->label, FALSE, FALSE, 0);
+
+ gtk_box_pack_start (GTK_BOX (box), combo_box->priv->combobox, TRUE, TRUE, 0);
+
+ combo_box->priv->button = gtk_button_new_with_label ("APPLICATION BUG");
+ gtk_widget_set_no_show_all (combo_box->priv->button, TRUE);
+ gtk_box_pack_start (GTK_BOX (box), combo_box->priv->button, FALSE, FALSE, 0);
+
+
+ combo_box->priv->end_box = ebox = gtk_hbox_new (FALSE, 6);
+ gtk_box_pack_start (GTK_BOX (box), ebox, FALSE, FALSE, 0);
+
+ if (combo_box->priv->size_group != NULL) {
+ gtk_size_group_add_widget (combo_box->priv->size_group, sbox);
+
+ if (combo_box->priv->symmetric) {
+ gtk_size_group_add_widget (combo_box->priv->size_group, ebox);
+ }
+ }
+
+ gtk_container_add (GTK_CONTAINER (frame), combo_box->priv->drop_box);
+ gtk_widget_show_all (frame);
+
+ gtk_label_set_mnemonic_widget (GTK_LABEL (combo_box->priv->label),
+ combo_box->priv->combobox);
+
+ g_signal_connect (G_OBJECT (combo_box->priv->combobox), "changed",
+ G_CALLBACK (on_combo_box_changed), combo_box);
+ g_signal_connect (G_OBJECT (combo_box->priv->button), "clicked",
+ G_CALLBACK (on_combo_box_button_clicked), combo_box);
+}
+
+static void
+gvc_combo_box_finalize (GObject *object)
+{
+ GvcComboBox *combo_box;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GVC_IS_COMBO_BOX (object));
+
+ combo_box = GVC_COMBO_BOX (object);
+
+ g_return_if_fail (combo_box->priv != NULL);
+
+ g_object_unref (combo_box->priv->model);
+ combo_box->priv->model = NULL;
+
+ G_OBJECT_CLASS (gvc_combo_box_parent_class)->finalize (object);
+}
+
+GtkWidget *
+gvc_combo_box_new (const char *label)
+{
+ GObject *combo_box;
+ combo_box = g_object_new (GVC_TYPE_COMBO_BOX,
+ "label", label,
+ NULL);
+ return GTK_WIDGET (combo_box);
+}
+