path: root/widgets/misc/e-preferences-window.c

/*
 * e-preferences-window.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; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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 Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include "e-preferences-window.h"

#include <glib/gi18n.h>
#include <gdk/gdkkeysyms.h>
#include <e-util/e-util.h>

#define SWITCH_PAGE_INTERVAL 250

#define E_PREFERENCES_WINDOW_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_PREFERENCES_WINDOW, EPreferencesWindowPrivate))

struct _EPreferencesWindowPrivate {
    GtkWidget *icon_view;
    GtkWidget *notebook;
    GHashTable *index;
};

enum {
    COLUMN_TEXT,    /* G_TYPE_STRING */
    COLUMN_PIXBUF,  /* GDK_TYPE_PIXBUF */
    COLUMN_PAGE,    /* G_TYPE_INT */
    COLUMN_SORT /* G_TYPE_INT */
};

static gpointer parent_class;

static GdkPixbuf *
preferences_window_load_pixbuf (const gchar *icon_name)
{
    GtkIconTheme *icon_theme;
    GtkIconInfo *icon_info;
    GdkPixbuf *pixbuf;
    const gchar *filename;
    gint size;
    GError *error = NULL;

    icon_theme = gtk_icon_theme_get_default ();

    if (!gtk_icon_size_lookup (GTK_ICON_SIZE_DIALOG, &size, 0))
        return NULL;

    icon_info = gtk_icon_theme_lookup_icon (
        icon_theme, icon_name, size, 0);

    if (icon_info == NULL)
        return NULL;

    filename = gtk_icon_info_get_filename (icon_info);

    pixbuf = gdk_pixbuf_new_from_file (filename, &error);

    gtk_icon_info_free (icon_info);

    if (error != NULL) {
        g_warning ("%s", error->message);
        g_error_free (error);
    }

    return pixbuf;
}

static void
preferences_window_help_clicked_cb (GtkWindow *window)
{
    e_display_help (window, "config-prefs");
}

static void
preferences_window_selection_changed_cb (EPreferencesWindow *window)
{
    GtkIconView *icon_view;
    GtkNotebook *notebook;
    GtkTreeModel *model;
    GtkTreeIter iter;
    GList *list;
    gint page;

    icon_view = GTK_ICON_VIEW (window->priv->icon_view);
    list = gtk_icon_view_get_selected_items (icon_view);
    if (list == NULL)
        return;

    model = gtk_icon_view_get_model (icon_view);
    gtk_tree_model_get_iter (model, &iter, list->data);
    gtk_tree_model_get (model, &iter, COLUMN_PAGE, &page, -1);

    notebook = GTK_NOTEBOOK (window->priv->notebook);
    gtk_notebook_set_current_page (notebook, page);

    g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
    g_list_free (list);

    gtk_widget_grab_focus (GTK_WIDGET (icon_view));
}

static void
preferences_window_dispose (GObject *object)
{
    EPreferencesWindowPrivate *priv;

    priv = E_PREFERENCES_WINDOW_GET_PRIVATE (object);

    if (priv->icon_view != NULL) {
        g_object_unref (priv->icon_view);
        priv->icon_view = NULL;
    }

    if (priv->notebook != NULL) {
        g_object_unref (priv->notebook);
        priv->notebook = NULL;
    }

    g_hash_table_remove_all (priv->index);

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

static void
preferences_window_finalize (GObject *object)
{
    EPreferencesWindowPrivate *priv;

    priv = E_PREFERENCES_WINDOW_GET_PRIVATE (object);

    g_hash_table_destroy (priv->index);

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

static void
preferences_window_show (GtkWidget *widget)
{
    EPreferencesWindowPrivate *priv;
    GtkIconView *icon_view;
    GtkTreePath *path;

    priv = E_PREFERENCES_WINDOW_GET_PRIVATE (widget);

    icon_view = GTK_ICON_VIEW (priv->icon_view);

    path = gtk_tree_path_new_first ();
    gtk_icon_view_select_path (icon_view, path);
    gtk_icon_view_scroll_to_path (icon_view, path, FALSE, 0.0, 0.0);
    gtk_tree_path_free (path);

    gtk_widget_grab_focus (priv->icon_view);

    /* Chain up to parent's show() method. */
    GTK_WIDGET_CLASS (parent_class)->show (widget);
}

static void
preferences_window_class_init (EPreferencesWindowClass *class)
{
    GObjectClass *object_class;
    GtkWidgetClass *widget_class;

    parent_class = g_type_class_peek_parent (class);
    g_type_class_add_private (class, sizeof (EPreferencesWindowPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->dispose = preferences_window_dispose;
    object_class->finalize = preferences_window_finalize;

    widget_class = GTK_WIDGET_CLASS (class);
    widget_class->show = preferences_window_show;
}

static void
preferences_window_init (EPreferencesWindow *window)
{
    GtkListStore *store;
    GtkWidget *container;
    GtkWidget *hbox;
    GtkWidget *vbox;
    GtkWidget *widget;
    GHashTable *index;
    const gchar *title;
    GtkAccelGroup *accel_group;

    index = g_hash_table_new_full (
        g_str_hash, g_str_equal,
        (GDestroyNotify) g_free,
        (GDestroyNotify) gtk_tree_row_reference_free);

    window->priv = E_PREFERENCES_WINDOW_GET_PRIVATE (window);
    window->priv->index = index;

    store = gtk_list_store_new (
        4, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_INT, G_TYPE_INT);
    gtk_tree_sortable_set_sort_column_id (
        GTK_TREE_SORTABLE (store), COLUMN_SORT, GTK_SORT_ASCENDING);

    title = _("Evolution Preferences");
    gtk_window_set_title (GTK_WINDOW (window), title);
    gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
    gtk_container_set_border_width (GTK_CONTAINER (window), 12);

    g_signal_connect (
        window, "delete-event",
        G_CALLBACK (gtk_widget_hide_on_delete), NULL);

    widget = gtk_vbox_new (FALSE, 12);
    gtk_container_add (GTK_CONTAINER (window), widget);
    gtk_widget_show (widget);

    vbox = widget;

    widget = gtk_hbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (vbox), widget, TRUE, TRUE, 0);
    gtk_widget_show (widget);

    hbox = widget;

    widget = gtk_scrolled_window_new (NULL, NULL);
    gtk_scrolled_window_set_policy (
        GTK_SCROLLED_WINDOW (widget),
        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type (
        GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN);
    gtk_box_pack_start (GTK_BOX (hbox), widget, FALSE, TRUE, 0);
    gtk_widget_show (widget);

    container = widget;

    widget = gtk_icon_view_new_with_model (GTK_TREE_MODEL (store));
    gtk_icon_view_set_columns (GTK_ICON_VIEW (widget), 1);
    gtk_icon_view_set_text_column (GTK_ICON_VIEW (widget), COLUMN_TEXT);
    gtk_icon_view_set_pixbuf_column (GTK_ICON_VIEW (widget), COLUMN_PIXBUF);
    g_signal_connect_swapped (
        widget, "selection-changed",
        G_CALLBACK (preferences_window_selection_changed_cb), window);
    gtk_container_add (GTK_CONTAINER (container), widget);
    window->priv->icon_view = g_object_ref (widget);
    gtk_widget_show (widget);
    g_object_unref (store);

    widget = gtk_notebook_new ();
    gtk_notebook_set_show_tabs (GTK_NOTEBOOK (widget), FALSE);
    gtk_notebook_set_show_border (GTK_NOTEBOOK (widget), FALSE);
    gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
    window->priv->notebook = g_object_ref (widget);
    gtk_widget_show (widget);

    widget = gtk_hbutton_box_new ();
    gtk_button_box_set_layout (
        GTK_BUTTON_BOX (widget), GTK_BUTTONBOX_END);
    gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
    gtk_widget_show (widget);

    container = widget;

    widget = gtk_button_new_from_stock (GTK_STOCK_HELP);
    g_signal_connect_swapped (
        widget, "clicked",
        G_CALLBACK (preferences_window_help_clicked_cb), window);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    gtk_button_box_set_child_secondary (
        GTK_BUTTON_BOX (container), widget, TRUE);
    gtk_widget_show (widget);

    widget = gtk_button_new_from_stock (GTK_STOCK_CLOSE);
    g_signal_connect_swapped (
        widget, "clicked",
        G_CALLBACK (gtk_widget_hide), window);
    gtk_widget_set_can_default (widget, TRUE);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    accel_group = gtk_accel_group_new ();
    gtk_widget_add_accelerator (
        widget, "activate", accel_group,
        GDK_Escape, (GdkModifierType) 0,
        GTK_ACCEL_VISIBLE);
    gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
    gtk_widget_grab_default (widget);
    gtk_widget_show (widget);
}

GType
e_preferences_window_get_type (void)
{
    static GType type = 0;

    if (G_UNLIKELY (type == 0)) {
        const GTypeInfo type_info = {
            sizeof (EPreferencesWindowClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) preferences_window_class_init,
            (GClassFinalizeFunc) NULL,
            NULL,  /* class_data */
            sizeof (EPreferencesWindow),
            0,     /* n_preallocs */
            (GInstanceInitFunc) preferences_window_init,
            NULL   /* value_table */
        };

        type = g_type_register_static (
            GTK_TYPE_WINDOW, "EPreferencesWindow", &type_info, 0);
    }

    return type;
}

GtkWidget *
e_preferences_window_new (void)
{
    return g_object_new (E_TYPE_PREFERENCES_WINDOW, NULL);
}

void
e_preferences_window_add_page (EPreferencesWindow *window,
                               const gchar *page_name,
                               const gchar *icon_name,
                               const gchar *caption,
                               GtkWidget *widget,
                               gint sort_order)
{
    GtkTreeRowReference *reference;
    GtkIconView *icon_view;
    GtkNotebook *notebook;
    GtkTreeModel *model;
    GtkTreePath *path;
    GHashTable *index;
    GdkPixbuf *pixbuf;
    GtkTreeIter iter;
    gint page;

    g_return_if_fail (E_IS_PREFERENCES_WINDOW (window));
    g_return_if_fail (page_name != NULL);
    g_return_if_fail (icon_name != NULL);
    g_return_if_fail (caption != NULL);
    g_return_if_fail (GTK_IS_WIDGET (widget));

    icon_view = GTK_ICON_VIEW (window->priv->icon_view);
    notebook = GTK_NOTEBOOK (window->priv->notebook);

    page = gtk_notebook_get_n_pages (notebook);
    model = gtk_icon_view_get_model (icon_view);
    pixbuf = preferences_window_load_pixbuf (icon_name);

    gtk_list_store_append (GTK_LIST_STORE (model), &iter);

    gtk_list_store_set (
        GTK_LIST_STORE (model), &iter,
        COLUMN_TEXT, caption, COLUMN_PIXBUF, pixbuf,
        COLUMN_PAGE, page, COLUMN_SORT, sort_order, -1);

    index = window->priv->index;
    path = gtk_tree_model_get_path (model, &iter);
    reference = gtk_tree_row_reference_new (model, path);
    g_hash_table_insert (index, g_strdup (page_name), reference);
    gtk_tree_path_free (path);

    gtk_widget_show (widget);
    gtk_notebook_append_page (notebook, widget, NULL);

    /* Force GtkIconView to recalculate the text wrap width,
     * otherwise we get a really narrow icon list on the left
     * side of the preferences window. */
    gtk_icon_view_set_item_width (icon_view, -1);
    gtk_widget_queue_resize (GTK_WIDGET (window));
}

void
e_preferences_window_show_page (EPreferencesWindow *window,
                                const gchar *page_name)
{
    GtkTreeRowReference *reference;
    GtkIconView *icon_view;
    GtkTreePath *path;

    g_return_if_fail (E_IS_PREFERENCES_WINDOW (window));
    g_return_if_fail (page_name != NULL);

    icon_view = GTK_ICON_VIEW (window->priv->icon_view);
    reference = g_hash_table_lookup (window->priv->index, page_name);
    g_return_if_fail (reference != NULL);

    path = gtk_tree_row_reference_get_path (reference);
    gtk_icon_view_select_path (icon_view, path);
    gtk_icon_view_scroll_to_path (icon_view, path, FALSE, 0.0, 0.0);
    gtk_tree_path_free (path);
}