Merge branch 'michal-wip'

1 files changed, 459 insertions, 0 deletions

diff --git a/mate-volume-control/gvc-combo-box.c b/mate-volume-control/gvc-combo-box.c
new file mode 100644
index 0000000..25c4639
--- /dev/null
+++ b/mate-volume-control/gvc-combo-box.c
@@ -0,0 +1,459 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2009 Bastien Nocera
+ * Copyright (C) 2014 Michal Ratajsky <[email protected]>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib-object.h>
+#include <gtk/gtk.h>
+
+#include <libmatemixer/matemixer.h>
+
+#include "gvc-combo-box.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;
+        MateMixerSwitch *swtch;
+};
+
+enum {
+        COL_NAME,
+        COL_HUMAN_NAME,
+        NUM_COLS
+};
+
+enum {
+        CHANGING,
+        BUTTON_CLICKED,
+        LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0, };
+
+enum {
+        PROP_0,
+        PROP_SWITCH,
+        PROP_LABEL,
+        PROP_SHOW_BUTTON,
+        PROP_BUTTON_LABEL,
+        N_PROPERTIES
+};
+
+static GParamSpec *properties[N_PROPERTIES] = { NULL, };
+
+static void gvc_combo_box_class_init (GvcComboBoxClass *klass);
+static void gvc_combo_box_init       (GvcComboBox      *combo);
+static void gvc_combo_box_dispose    (GObject          *object);
+
+#if GTK_CHECK_VERSION (3, 0, 0)
+G_DEFINE_TYPE (GvcComboBox, gvc_combo_box, GTK_TYPE_BOX)
+#else
+G_DEFINE_TYPE (GvcComboBox, gvc_combo_box, GTK_TYPE_HBOX)
+#endif
+
+MateMixerSwitch *
+gvc_combo_box_get_switch (GvcComboBox *combobox)
+{
+        g_return_val_if_fail (GVC_IS_COMBO_BOX (combobox), NULL);
+
+        return combobox->priv->swtch;
+}
+
+void
+gvc_combo_box_set_size_group (GvcComboBox  *combobox,
+                              GtkSizeGroup *group,
+                              gboolean      symmetric)
+{
+        g_return_if_fail (GVC_IS_COMBO_BOX (combobox));
+        g_return_if_fail (GTK_IS_SIZE_GROUP (group));
+
+        if (group != NULL) {
+                gtk_size_group_add_widget (group, combobox->priv->start_box);
+                if (symmetric == TRUE)
+                        gtk_size_group_add_widget (group, combobox->priv->end_box);
+        }
+        gtk_widget_queue_draw (GTK_WIDGET (combobox));
+}
+
+static void
+on_switch_active_option_notify (MateMixerSwitch *swtch,
+                                GParamSpec      *pspec,
+                                GvcComboBox     *combobox)
+{
+        GtkTreeIter            iter;
+        MateMixerSwitchOption *active;
+        gboolean               cont;
+        const gchar           *name;
+
+        active = mate_mixer_switch_get_active_option (swtch);
+        if G_UNLIKELY (active == NULL) {
+                g_warn_if_reached ();
+                return;
+        }
+
+        /* Select the newly activated switch option in the combo box */
+        name = mate_mixer_switch_option_get_name (active);
+        cont = gtk_tree_model_get_iter_first (combobox->priv->model, &iter);
+        while (cont == TRUE) {
+                gchar *current;
+
+                gtk_tree_model_get (combobox->priv->model, &iter,
+                                    COL_NAME, &current,
+                                    -1);
+                if (g_strcmp0 (name, current) == 0) {
+                        gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combobox->priv->combobox), &iter);
+                        g_free (current);
+                        return;
+                }
+                g_free (current);
+
+                cont = gtk_tree_model_iter_next (combobox->priv->model, &iter);
+        }
+        g_warning ("Could not find switch option '%s' in combo box", name);
+}
+
+static void
+gvc_combo_box_set_switch (GvcComboBox *combobox, MateMixerSwitch *swtch)
+{
+        MateMixerSwitchOption *active;
+        const GList           *options;
+
+        g_return_if_fail (GVC_IS_COMBO_BOX (combobox));
+        g_return_if_fail (MATE_MIXER_IS_SWITCH (swtch));
+
+        combobox->priv->swtch = g_object_ref (swtch);
+
+        active  = mate_mixer_switch_get_active_option (swtch);
+        options = mate_mixer_switch_list_options (swtch);
+        while (options != NULL) {
+                GtkTreeIter            iter;
+                MateMixerSwitchOption *option = MATE_MIXER_SWITCH_OPTION (options->data);
+
+                gtk_list_store_insert_with_values (GTK_LIST_STORE (combobox->priv->model),
+                                                   &iter,
+                                                   G_MAXINT,
+                                                   COL_NAME,
+                                                   mate_mixer_switch_option_get_name (option),
+                                                   COL_HUMAN_NAME,
+                                                   mate_mixer_switch_option_get_label (option),
+                                                   -1);
+
+                /* Select the currently active option of the switch */
+                if (option == active) {
+                        gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combobox->priv->combobox),
+                                                       &iter);
+                }
+                options = options->next;
+        }
+
+        g_signal_connect (G_OBJECT (swtch),
+                          "notify::active-option",
+                          G_CALLBACK (on_switch_active_option_notify),
+                          combobox);
+}
+
+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_SWITCH:
+                gvc_combo_box_set_switch (self, g_value_get_object (value));
+                break;
+        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_SWITCH:
+                g_value_set_object (value, self->priv->swtch);
+                break;
+        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->dispose = gvc_combo_box_dispose;
+        object_class->set_property = gvc_combo_box_set_property;
+        object_class->get_property = gvc_combo_box_get_property;
+
+        properties[PROP_SWITCH] =
+                g_param_spec_object ("switch",
+                                     "switch",
+                                     "The MateMixerSwitch",
+                                     MATE_MIXER_TYPE_SWITCH,
+                                     G_PARAM_READWRITE |
+                                     G_PARAM_CONSTRUCT_ONLY |
+                                     G_PARAM_STATIC_STRINGS);
+
+        properties[PROP_LABEL] =
+                g_param_spec_string ("label",
+                                     "label",
+                                     "The combo box label",
+                                     _("_Profile:"),
+                                     G_PARAM_READWRITE |
+                                     G_PARAM_CONSTRUCT |
+                                     G_PARAM_STATIC_STRINGS);
+
+        properties[PROP_SHOW_BUTTON] =
+                g_param_spec_boolean ("show-button",
+                                      "show-button",
+                                      "Whether to show the button",
+                                      FALSE,
+                                      G_PARAM_READWRITE |
+                                      G_PARAM_CONSTRUCT |
+                                      G_PARAM_STATIC_STRINGS);
+
+        properties[PROP_BUTTON_LABEL] =
+                g_param_spec_string ("button-label",
+                                     "button-label",
+                                     "The button's label",
+                                     "",
+                                     G_PARAM_READWRITE |
+                                     G_PARAM_CONSTRUCT |
+                                     G_PARAM_STATIC_STRINGS);
+
+        g_object_class_install_properties (object_class, N_PROPERTIES, properties);
+
+        signals[CHANGING] =
+                g_signal_new ("changing",
+                              G_TYPE_FROM_CLASS (klass),
+                              G_SIGNAL_RUN_LAST,
+                              G_STRUCT_OFFSET (GvcComboBoxClass, changing),
+                              NULL, NULL,
+                              g_cclosure_marshal_VOID__VOID,
+                              G_TYPE_NONE,
+                              1,
+                              MATE_MIXER_TYPE_SWITCH_OPTION);
+
+        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));
+}
+
+static void
+on_combo_box_changed (GtkComboBox *widget, GvcComboBox *combobox)
+{
+        GtkTreeIter            iter;
+        gchar                 *name;
+        MateMixerSwitchOption *option;
+
+        if G_UNLIKELY (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (widget), &iter) == FALSE)
+                return;
+
+        gtk_tree_model_get (combobox->priv->model, &iter,
+                            COL_NAME, &name,
+                            -1);
+
+        option = mate_mixer_switch_get_option (combobox->priv->swtch, name);
+        if G_UNLIKELY (option == NULL) {
+                g_warn_if_reached ();
+                g_free (name);
+                return;
+        }
+
+        /* Inform that we are about to change the active option of the switch */
+        g_signal_emit (combobox, signals[CHANGING], 0, option);
+
+        mate_mixer_switch_set_active_option (combobox->priv->swtch, option);
+        g_free (name);
+}
+
+static void
+on_combo_box_button_clicked (GtkButton *button, GvcComboBox *combobox)
+{
+        /* The meaning of the button is defined by the owner, so only notify
+         * when it is clicked on */
+        g_signal_emit (combobox, signals[BUTTON_CLICKED], 0);
+}
+
+static void
+gvc_combo_box_init (GvcComboBox *combobox)
+{
+        GtkWidget       *frame;
+        GtkCellRenderer *renderer;
+
+        frame = gtk_frame_new (NULL);
+        gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE);
+
+        combobox->priv = GVC_COMBO_BOX_GET_PRIVATE (combobox);
+
+        combobox->priv->model = GTK_TREE_MODEL (gtk_list_store_new (NUM_COLS,
+                                                                    G_TYPE_STRING,
+                                                                    G_TYPE_STRING));
+
+        combobox->priv->combobox = gtk_combo_box_new_with_model (combobox->priv->model);
+
+        combobox->priv->label = gtk_label_new (NULL);
+        gtk_misc_set_alignment (GTK_MISC (combobox->priv->label), 0.0, 0.5);
+        gtk_label_set_mnemonic_widget (GTK_LABEL (combobox->priv->label),
+                                       combobox->priv->combobox);
+
+        renderer = gtk_cell_renderer_text_new ();
+        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox->priv->combobox),
+                                    renderer,
+                                    FALSE);
+        gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combobox->priv->combobox),
+                                       renderer,
+                                       "text",
+                                       COL_HUMAN_NAME);
+
+#if GTK_CHECK_VERSION (3, 0, 0)
+        combobox->priv->drop_box  = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+        combobox->priv->start_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+        combobox->priv->end_box   = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+
+        /* Make sure the combo box does not get too long on long profile names */
+        g_object_set (G_OBJECT (renderer),
+                      "ellipsize",
+                      PANGO_ELLIPSIZE_END,
+                      NULL);
+
+        gtk_combo_box_set_popup_fixed_width (GTK_COMBO_BOX (combobox->priv->combobox), FALSE);
+#else
+        combobox->priv->drop_box  = gtk_hbox_new (FALSE, 6);
+        combobox->priv->start_box = gtk_hbox_new (FALSE, 6);
+        combobox->priv->end_box   = gtk_hbox_new (FALSE, 6);
+#endif
+
+        gtk_box_pack_start (GTK_BOX (combobox),
+                            frame,
+                            TRUE, TRUE, 0);
+
+        gtk_box_pack_start (GTK_BOX (combobox->priv->drop_box),
+                            combobox->priv->start_box,
+                            FALSE, FALSE, 0);
+        gtk_box_pack_start (GTK_BOX (combobox->priv->start_box),
+                            combobox->priv->label,
+                            FALSE, FALSE, 0);
+        gtk_box_pack_start (GTK_BOX (combobox->priv->drop_box),
+                            combobox->priv->combobox,
+                            TRUE, TRUE, 0);
+
+        combobox->priv->button = gtk_button_new_with_label ("");
+
+        gtk_box_pack_start (GTK_BOX (combobox->priv->drop_box),
+                            combobox->priv->button,
+                            FALSE, FALSE, 0);
+        gtk_box_pack_start (GTK_BOX (combobox->priv->drop_box),
+                            combobox->priv->end_box,
+                            FALSE, FALSE, 0);
+
+        gtk_container_add (GTK_CONTAINER (frame), combobox->priv->drop_box);
+
+        g_signal_connect (G_OBJECT (combobox->priv->combobox),
+                          "changed",
+                          G_CALLBACK (on_combo_box_changed),
+                          combobox);
+        g_signal_connect (G_OBJECT (combobox->priv->button),
+                          "clicked",
+                          G_CALLBACK (on_combo_box_button_clicked),
+                          combobox);
+
+        gtk_widget_set_no_show_all (combobox->priv->button, TRUE);
+        gtk_widget_show_all (frame);
+}
+
+static void
+gvc_combo_box_dispose (GObject *object)
+{
+        GvcComboBox *combobox;
+
+        combobox = GVC_COMBO_BOX (object);
+
+        if G_LIKELY (combobox->priv->swtch != NULL) {
+                g_signal_handlers_disconnect_by_func (G_OBJECT (combobox->priv->swtch),
+                                                      G_CALLBACK (on_switch_active_option_notify),
+                                                      combobox);
+                g_clear_object (&combobox->priv->swtch);
+        }
+
+        g_clear_object (&combobox->priv->model);
+
+        G_OBJECT_CLASS (gvc_combo_box_parent_class)->dispose (object);
+}
+
+GtkWidget *
+gvc_combo_box_new (MateMixerSwitch *swtch, const gchar *label)
+{
+        return g_object_new (GVC_TYPE_COMBO_BOX,
+                             "switch", swtch,
+                             "label", label,
+#if GTK_CHECK_VERSION (3, 0, 0)
+                             "orientation", GTK_ORIENTATION_HORIZONTAL,
+#endif
+                             NULL);
+}