diff options
Diffstat (limited to 'mate-volume-control/src/gvc-combo-box.c')
| -rw-r--r-- | mate-volume-control/src/gvc-combo-box.c | 394 |
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); +} + |