path: root/mail/e-mail-config-sidebar.c

/*
 * e-mail-config-sidebar.c
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation.
 *
 * 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 Lesser General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "e-mail-config-sidebar.h"

#define E_MAIL_CONFIG_SIDEBAR_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_MAIL_CONFIG_SIDEBAR, EMailConfigSidebarPrivate))

struct _EMailConfigSidebarPrivate {
    EMailConfigNotebook *notebook;
    gint active;

    GHashTable *buttons_to_pages;
    GHashTable *pages_to_buttons;

    gulong page_added_handler_id;
    gulong page_removed_handler_id;
    gulong page_reordered_handler_id;
};

enum {
    PROP_0,
    PROP_ACTIVE,
    PROP_NOTEBOOK
};

G_DEFINE_TYPE (
    EMailConfigSidebar,
    e_mail_config_sidebar,
    GTK_TYPE_BUTTON_BOX)

static void
mail_config_sidebar_button_toggled (GtkToggleButton *button,
                                    EMailConfigSidebar *sidebar)
{
    if (gtk_toggle_button_get_active (button)) {
        GHashTable *hash_table;
        GtkNotebook *notebook;
        GtkWidget *page;
        gint page_num;

        hash_table = sidebar->priv->buttons_to_pages;
        page = g_hash_table_lookup (hash_table, button);
        g_return_if_fail (GTK_IS_WIDGET (page));

        notebook = GTK_NOTEBOOK (sidebar->priv->notebook);
        page_num = gtk_notebook_page_num (notebook, page);
        e_mail_config_sidebar_set_active (sidebar, page_num);
    }
}

static void
mail_config_sidebar_notebook_page_added (GtkNotebook *notebook,
                                         GtkWidget *page,
                                         guint page_num,
                                         EMailConfigSidebar *sidebar)
{
    GtkRadioButton *group_member;
    GtkWidget *button;
    GList *keys;
    gchar *tab_label = NULL;

    /* Grab another radio button if we have any. */
    keys = g_hash_table_get_keys (sidebar->priv->buttons_to_pages);
    group_member = (keys != NULL) ? GTK_RADIO_BUTTON (keys->data) : NULL;
    g_list_free (keys);

    gtk_container_child_get (
        GTK_CONTAINER (notebook), page,
        "tab-label", &tab_label, NULL);

    button = gtk_radio_button_new_with_label_from_widget (
        group_member, tab_label);
    g_object_set (button, "draw-indicator", FALSE, NULL);
    gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
    gtk_box_pack_start (GTK_BOX (sidebar), button, FALSE, FALSE, 0);
    gtk_box_reorder_child (GTK_BOX (sidebar), button, page_num);
    gtk_widget_show (button);

    g_signal_connect (
        button, "toggled",
        G_CALLBACK (mail_config_sidebar_button_toggled), sidebar);

    g_hash_table_insert (
        sidebar->priv->pages_to_buttons,
        g_object_ref (page), g_object_ref (button));

    g_hash_table_insert (
        sidebar->priv->buttons_to_pages,
        g_object_ref (button), g_object_ref (page));

    g_free (tab_label);
}

static void
mail_config_sidebar_notebook_page_removed (GtkNotebook *notebook,
                                           GtkWidget *page,
                                           guint page_num,
                                           EMailConfigSidebar *sidebar)
{
    GHashTable *hash_table;
    GtkWidget *button;

    hash_table = sidebar->priv->pages_to_buttons;
    button = g_hash_table_lookup (hash_table, page);
    g_return_if_fail (GTK_IS_WIDGET (button));

    gtk_container_remove (GTK_CONTAINER (sidebar), button);

    g_hash_table_remove (sidebar->priv->pages_to_buttons, page);
    g_hash_table_remove (sidebar->priv->buttons_to_pages, button);
}

static void
mail_config_sidebar_notebook_page_reordered (GtkNotebook *notebook,
                                             GtkWidget *page,
                                             guint page_num,
                                             EMailConfigSidebar *sidebar)
{
    GHashTable *hash_table;
    GtkWidget *button;

    hash_table = sidebar->priv->pages_to_buttons;
    button = g_hash_table_lookup (hash_table, page);
    g_return_if_fail (GTK_IS_WIDGET (button));

    gtk_box_reorder_child (GTK_BOX (sidebar), button, page_num);
}

static void
mail_config_sidebar_set_notebook (EMailConfigSidebar *sidebar,
                                  EMailConfigNotebook *notebook)
{
    g_return_if_fail (E_IS_MAIL_CONFIG_NOTEBOOK (notebook));
    g_return_if_fail (sidebar->priv->notebook == NULL);

    sidebar->priv->notebook = g_object_ref (notebook);
}

static void
mail_config_sidebar_set_property (GObject *object,
                                  guint property_id,
                                  const GValue *value,
                                  GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_ACTIVE:
            e_mail_config_sidebar_set_active (
                E_MAIL_CONFIG_SIDEBAR (object),
                g_value_get_int (value));
            return;

        case PROP_NOTEBOOK:
            mail_config_sidebar_set_notebook (
                E_MAIL_CONFIG_SIDEBAR (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_config_sidebar_get_property (GObject *object,
                                  guint property_id,
                                  GValue *value,
                                  GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_ACTIVE:
            g_value_set_int (
                value,
                e_mail_config_sidebar_get_active (
                E_MAIL_CONFIG_SIDEBAR (object)));
            return;

        case PROP_NOTEBOOK:
            g_value_set_object (
                value,
                e_mail_config_sidebar_get_notebook (
                E_MAIL_CONFIG_SIDEBAR (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_config_sidebar_dispose (GObject *object)
{
    EMailConfigSidebarPrivate *priv;

    priv = E_MAIL_CONFIG_SIDEBAR_GET_PRIVATE (object);

    if (priv->notebook != NULL) {
        g_signal_handler_disconnect (
            priv->notebook, priv->page_added_handler_id);
        g_signal_handler_disconnect (
            priv->notebook, priv->page_removed_handler_id);
        g_signal_handler_disconnect (
            priv->notebook, priv->page_reordered_handler_id);
        g_object_unref (priv->notebook);
        priv->notebook = NULL;
    }

    g_hash_table_remove_all (priv->buttons_to_pages);
    g_hash_table_remove_all (priv->pages_to_buttons);

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_mail_config_sidebar_parent_class)->dispose (object);
}

static void
mail_config_sidebar_finalize (GObject *object)
{
    EMailConfigSidebarPrivate *priv;

    priv = E_MAIL_CONFIG_SIDEBAR_GET_PRIVATE (object);

    g_hash_table_destroy (priv->buttons_to_pages);
    g_hash_table_destroy (priv->pages_to_buttons);

    /* Chain up to parent's finalize() method. */
    G_OBJECT_CLASS (e_mail_config_sidebar_parent_class)->finalize (object);
}

static void
mail_config_sidebar_constructed (GObject *object)
{
    EMailConfigSidebar *sidebar;
    GtkNotebook *notebook;
    gulong handler_id;
    gint n_pages, ii;

    sidebar = E_MAIL_CONFIG_SIDEBAR (object);

    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (e_mail_config_sidebar_parent_class)->constructed (object);

    gtk_orientable_set_orientation (
        GTK_ORIENTABLE (sidebar), GTK_ORIENTATION_VERTICAL);

    gtk_button_box_set_layout (
        GTK_BUTTON_BOX (sidebar), GTK_BUTTONBOX_START);

    gtk_box_set_homogeneous (GTK_BOX (sidebar), TRUE);
    gtk_box_set_spacing (GTK_BOX (sidebar), 6);

    /* Add buttons for existing notebook pages before
     * binding to properties or connecting to signals. */

    notebook = GTK_NOTEBOOK (sidebar->priv->notebook);
    n_pages = gtk_notebook_get_n_pages (notebook);

    for (ii = 0; ii < n_pages; ii++) {
        GtkWidget *page;

        page = gtk_notebook_get_nth_page (notebook, ii);
        mail_config_sidebar_notebook_page_added (
            notebook, page, (guint) ii, sidebar);
    }

    g_object_bind_property (
        sidebar, "active",
        notebook, "page",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    handler_id = g_signal_connect (
        notebook, "page-added",
        G_CALLBACK (mail_config_sidebar_notebook_page_added),
        sidebar);
    sidebar->priv->page_added_handler_id = handler_id;

    handler_id = g_signal_connect (
        notebook, "page-removed",
        G_CALLBACK (mail_config_sidebar_notebook_page_removed),
        sidebar);
    sidebar->priv->page_removed_handler_id = handler_id;

    handler_id = g_signal_connect (
        notebook, "page-reordered",
        G_CALLBACK (mail_config_sidebar_notebook_page_reordered),
        sidebar);
    sidebar->priv->page_reordered_handler_id = handler_id;
}

static void
e_mail_config_sidebar_class_init (EMailConfigSidebarClass *class)
{
    GObjectClass *object_class;

    g_type_class_add_private (class, sizeof (EMailConfigSidebarPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = mail_config_sidebar_set_property;
    object_class->get_property = mail_config_sidebar_get_property;
    object_class->dispose = mail_config_sidebar_dispose;
    object_class->finalize = mail_config_sidebar_finalize;
    object_class->constructed = mail_config_sidebar_constructed;

    /* Use the same constraints as GtkNotebook:page. */
    g_object_class_install_property (
        object_class,
        PROP_ACTIVE,
        g_param_spec_int (
            "active",
            "Active",
            "Index of the currently active button",
            -1, G_MAXINT, -1,
            G_PARAM_READWRITE |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_NOTEBOOK,
        g_param_spec_object (
            "notebook",
            "Notebook",
            "Mail configuration notebook",
            E_TYPE_MAIL_CONFIG_NOTEBOOK,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY |
            G_PARAM_STATIC_STRINGS));
}

static void
e_mail_config_sidebar_init (EMailConfigSidebar *sidebar)
{
    GHashTable *buttons_to_pages;
    GHashTable *pages_to_buttons;

    buttons_to_pages = g_hash_table_new_full (
        (GHashFunc) g_direct_hash,
        (GEqualFunc) g_direct_equal,
        (GDestroyNotify) g_object_unref,
        (GDestroyNotify) g_object_unref);

    pages_to_buttons = g_hash_table_new_full (
        (GHashFunc) g_direct_hash,
        (GEqualFunc) g_direct_equal,
        (GDestroyNotify) g_object_unref,
        (GDestroyNotify) g_object_unref);

    sidebar->priv = E_MAIL_CONFIG_SIDEBAR_GET_PRIVATE (sidebar);
    sidebar->priv->buttons_to_pages = buttons_to_pages;
    sidebar->priv->pages_to_buttons = pages_to_buttons;
}

GtkWidget *
e_mail_config_sidebar_new (EMailConfigNotebook *notebook)
{
    g_return_val_if_fail (E_IS_MAIL_CONFIG_NOTEBOOK (notebook), NULL);

    return g_object_new (
        E_TYPE_MAIL_CONFIG_SIDEBAR,
        "notebook", notebook, NULL);
}

gint
e_mail_config_sidebar_get_active (EMailConfigSidebar *sidebar)
{
    g_return_val_if_fail (E_IS_MAIL_CONFIG_SIDEBAR (sidebar), -1);

    return sidebar->priv->active;
}

void
e_mail_config_sidebar_set_active (EMailConfigSidebar *sidebar,
                                  gint active)
{
    GtkNotebook *notebook;
    GtkWidget *page;

    g_return_if_fail (E_IS_MAIL_CONFIG_SIDEBAR (sidebar));

    notebook = GTK_NOTEBOOK (sidebar->priv->notebook);
    page = gtk_notebook_get_nth_page (notebook, active);

    sidebar->priv->active = (page != NULL) ? active : -1;

    g_object_notify (G_OBJECT (sidebar), "active");

    if (page != NULL) {
        GHashTable *hash_table;
        GtkToggleButton *button;

        hash_table = sidebar->priv->pages_to_buttons;
        button = g_hash_table_lookup (hash_table, page);
        gtk_toggle_button_set_active (button, TRUE);
    }
}

EMailConfigNotebook *
e_mail_config_sidebar_get_notebook (EMailConfigSidebar *sidebar)
{
    g_return_val_if_fail (E_IS_MAIL_CONFIG_SIDEBAR (sidebar), NULL);

    return sidebar->priv->notebook;
}