path: root/modules/mail/em-composer-prefs.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/>
 *
 *
 * Authors:
 *      Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "em-composer-prefs.h"

#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>

#include <glib/gi18n.h>
#include <glib/gstdio.h>

#include <gtkhtml/gtkhtml.h>
#include <editor/gtkhtml-spell-language.h>
#include <libedataserver/libedataserver.h>

#include <composer/e-msg-composer.h>

#include <shell/e-shell-utils.h>

#include <libemail-engine/e-mail-folder-utils.h>

#include <mail/em-config.h>
#include <mail/em-folder-selection-button.h>
#include <mail/em-folder-selector.h>
#include <mail/em-folder-tree.h>
#include <mail/em-folder-tree-model.h>
#include <mail/e-mail-backend.h>
#include <mail/e-mail-junk-options.h>
#include <mail/e-mail-ui-session.h>

G_DEFINE_TYPE (
    EMComposerPrefs,
    em_composer_prefs,
    GTK_TYPE_VBOX)

static gboolean
composer_prefs_map_string_to_color (GValue *value,
                                    GVariant *variant,
                                    gpointer user_data)
{
    GdkColor color;
    const gchar *string;
    gboolean success = FALSE;

    string = g_variant_get_string (variant, NULL);
    if (gdk_color_parse (string, &color)) {
        g_value_set_boxed (value, &color);
        success = TRUE;
    }

    return success;
}

static GVariant *
composer_prefs_map_color_to_string (const GValue *value,
                                    const GVariantType *expected_type,
                                    gpointer user_data)
{
    GVariant *variant;
    const GdkColor *color;

    color = g_value_get_boxed (value);
    if (color == NULL) {
        variant = g_variant_new_string ("");
    } else {
        gchar *string;

        /* Encode the color manually because CSS styles expect
         * color codes as #rrggbb, whereas gdk_color_to_string()
         * returns color codes as #rrrrggggbbbb. */
        string = g_strdup_printf (
            "#%02x%02x%02x",
            (gint) color->red * 256 / 65536,
            (gint) color->green * 256 / 65536,
            (gint) color->blue * 256 / 65536);
        variant = g_variant_new_string (string);
        g_free (string);
    }

    return variant;
}

static void
composer_prefs_dispose (GObject *object)
{
    EMComposerPrefs *prefs = (EMComposerPrefs *) object;

    if (prefs->builder != NULL) {
        g_object_unref (prefs->builder);
        prefs->builder = NULL;
    }

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

static void
em_composer_prefs_class_init (EMComposerPrefsClass *class)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS (class);
    object_class->dispose = composer_prefs_dispose;
}

static void
em_composer_prefs_init (EMComposerPrefs *prefs)
{
}

static void
spell_language_toggled_cb (GtkCellRendererToggle *renderer,
                           const gchar *path_string,
                           EMComposerPrefs *prefs)
{
    GtkTreeModel *model;
    GtkTreePath *path;
    GtkTreeIter iter;
    gboolean active;
    gboolean valid;

    model = prefs->language_model;

    /* Convert the path string to a tree iterator. */
    path = gtk_tree_path_new_from_string (path_string);
    valid = gtk_tree_model_get_iter (model, &iter, path);
    gtk_tree_path_free (path);
    g_return_if_fail (valid);

    /* Toggle the active state. */
    gtk_tree_model_get (model, &iter, 0, &active, -1);
    gtk_list_store_set (GTK_LIST_STORE (model), &iter, 0, !active, -1);
}

static void
spell_language_save (EMComposerPrefs *prefs)
{
    GList *spell_languages = NULL;
    GtkTreeModel *model;
    GtkTreeIter iter;
    gboolean valid;

    model = prefs->language_model;

    /* Build a list of active spell languages. */
    valid = gtk_tree_model_get_iter_first (model, &iter);
    while (valid) {
        const GtkhtmlSpellLanguage *language;
        gboolean active;

        gtk_tree_model_get (
            model, &iter, 0, &active, 2, &language, -1);

        if (active)
            spell_languages = g_list_prepend (
                spell_languages, (gpointer) language);

        valid = gtk_tree_model_iter_next (model, &iter);
    }
    spell_languages = g_list_reverse (spell_languages);

    /* Update the GSettings value. */
    e_save_spell_languages (spell_languages);

    g_list_free (spell_languages);
}

static void
spell_setup (EMComposerPrefs *prefs)
{
    const GList *available_languages;
    GList *active_languages;
    GtkListStore *store;

    store = GTK_LIST_STORE (prefs->language_model);
    available_languages = gtkhtml_spell_language_get_available ();

    active_languages = e_load_spell_languages ();

    /* Populate the GtkListStore. */
    while (available_languages != NULL) {
        const GtkhtmlSpellLanguage *language;
        GtkTreeIter tree_iter;
        const gchar *name;
        gboolean active;

        language = available_languages->data;
        name = gtkhtml_spell_language_get_name (language);
        active = (g_list_find (active_languages, language) != NULL);

        gtk_list_store_append (store, &tree_iter);

        gtk_list_store_set (
            store, &tree_iter,
            0, active, 1, name, 2, language, -1);

        available_languages = available_languages->next;
    }

    g_list_free (active_languages);
}

#define MAIL_SEND_ACCOUNT_OVERRIDE_KEY "sao-mail-send-account-override"
#define MAIL_CAMEL_SESSION_KEY "sao-mail-camel-session"

static gchar *
sao_dup_account_uid (GtkBuilder *builder)
{
    GtkWidget *widget;
    GtkTreeView *tree_view;
    GtkTreeSelection *selection;
    GtkTreeModel *model;
    GtkTreeIter iter;
    gchar *account_uid = NULL;

    widget = e_builder_get_widget (builder, "sao-account-treeview");
    g_return_val_if_fail (GTK_IS_TREE_VIEW (widget), NULL);

    tree_view = GTK_TREE_VIEW (widget);
    selection = gtk_tree_view_get_selection (tree_view);

    if (!gtk_tree_selection_get_selected (selection, &model, &iter))
        return NULL;

    gtk_tree_model_get (model, &iter, 1, &account_uid, -1);

    return account_uid;
}

static void
sao_fill_overrides (GtkBuilder *builder,
                    const gchar *tree_view_name,
                    GList *overrides,
                    gboolean is_folder)
{
    CamelSession *session = NULL;
    GtkWidget *widget;
    GtkListStore *list_store;
    GtkTreeIter titer;
    GList *oiter;

    widget = e_builder_get_widget (builder, tree_view_name);
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));

    list_store = GTK_LIST_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (widget)));
    g_return_if_fail (list_store != NULL);

    gtk_list_store_clear (list_store);

    if (is_folder)
        session = g_object_get_data (G_OBJECT (builder), MAIL_CAMEL_SESSION_KEY);

    for (oiter = overrides; oiter; oiter = g_list_next (oiter)) {
        const gchar *value = oiter->data;
        gchar *markup = NULL;

        if (!value || !*value)
            continue;

        if (is_folder) {
            markup = e_mail_folder_uri_to_markup (session, value, NULL);
            if (!markup)
                continue;
        }

        gtk_list_store_append (list_store, &titer);

        if (is_folder) {
            gtk_list_store_set (list_store, &titer, 0, markup, 1, value, -1);
        } else {
            gtk_list_store_set (list_store, &titer, 0, value, -1);
        }

        g_free (markup);
    }
}

static void
sao_account_treeview_selection_changed_cb (GtkTreeSelection *selection,
                                           GtkBuilder *builder)
{
    GtkTreeModel *model = NULL;
    GtkWidget *widget;
    gboolean enable = FALSE;

    g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
    g_return_if_fail (GTK_IS_BUILDER (builder));

    widget = e_builder_get_widget (builder, "sao-folders-treeview");
    g_return_if_fail (GTK_IS_WIDGET (widget));
    model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
    gtk_list_store_clear (GTK_LIST_STORE (model));

    widget = e_builder_get_widget (builder, "sao-recipients-treeview");
    g_return_if_fail (GTK_IS_WIDGET (widget));
    model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
    gtk_list_store_clear (GTK_LIST_STORE (model));

    if (gtk_tree_selection_get_selected (selection, NULL, NULL)) {
        gchar *account_uid;

        account_uid = sao_dup_account_uid (builder);
        if (account_uid) {
            GList *folder_overrides = NULL;
            GList *recipient_overrides = NULL;

            enable = TRUE;

            e_mail_send_account_override_list_for_account (
                g_object_get_data (
                    G_OBJECT (builder),
                    MAIL_SEND_ACCOUNT_OVERRIDE_KEY),
                account_uid, &folder_overrides, &recipient_overrides);

            sao_fill_overrides (
                builder, "sao-folders-treeview",
                folder_overrides, TRUE);
            sao_fill_overrides (
                builder, "sao-recipients-treeview",
                recipient_overrides, FALSE);

            g_list_free_full (folder_overrides, g_free);
            g_list_free_full (recipient_overrides, g_free);
            g_free (account_uid);
        }
    }

    widget = e_builder_get_widget (builder, "sao-folders-frame");
    g_return_if_fail (GTK_IS_WIDGET (widget));
    gtk_widget_set_sensitive (widget, enable);

    widget = e_builder_get_widget (builder, "sao-recipients-frame");
    g_return_if_fail (GTK_IS_WIDGET (widget));
    gtk_widget_set_sensitive (widget, enable);
}

static void
sao_overrides_changed_cb (EMailSendAccountOverride *account_override,
                          GtkBuilder *builder)
{
    GtkWidget *widget;
    GtkTreeSelection *selection;

    g_return_if_fail (GTK_IS_BUILDER (builder));

    widget = e_builder_get_widget (builder, "sao-account-treeview");
    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));

    sao_account_treeview_selection_changed_cb (selection, builder);
}

static void
sao_block_changed_handler (GtkBuilder *builder)
{
    GObject *account_override;

    g_return_if_fail (GTK_IS_BUILDER (builder));

    account_override = g_object_get_data (G_OBJECT (builder), MAIL_SEND_ACCOUNT_OVERRIDE_KEY),
    g_signal_handlers_block_by_func (account_override, sao_overrides_changed_cb, builder);
}

static void
sao_unblock_changed_handler (GtkBuilder *builder)
{
    GObject *account_override;

    g_return_if_fail (GTK_IS_BUILDER (builder));

    account_override = g_object_get_data (G_OBJECT (builder), MAIL_SEND_ACCOUNT_OVERRIDE_KEY),
    g_signal_handlers_unblock_by_func (account_override, sao_overrides_changed_cb, builder);
}

static void
sao_folders_treeview_selection_changed_cb (GtkTreeSelection *selection,
                                           GtkBuilder *builder)
{
    GtkWidget *widget;
    gint nselected;

    g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
    g_return_if_fail (GTK_IS_BUILDER (builder));

    nselected = gtk_tree_selection_count_selected_rows (selection);

    widget = e_builder_get_widget (builder, "sao-folders-remove-button");
    g_return_if_fail (GTK_IS_WIDGET (widget));
    gtk_widget_set_sensitive (widget, nselected > 0);
}

static void
sao_folders_add_button_clicked_cb (GtkButton *button,
                                   GtkBuilder *builder)
{
    GtkTreeSelection *selection;
    GtkTreeView *tree_view;
    GtkTreeModel *model;
    GtkTreeIter iter;
    GtkWidget *widget;
    EMFolderSelector *selector;
    EMFolderTree *folder_tree;
    GtkWidget *dialog;
    GtkWindow *window;
    gchar *account_uid = NULL;

    g_return_if_fail (GTK_IS_BUTTON (button));
    g_return_if_fail (GTK_IS_BUILDER (builder));

    account_uid = sao_dup_account_uid (builder);
    g_return_if_fail (account_uid != NULL);

    widget = e_builder_get_widget (builder, "sao-folders-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));
    tree_view = GTK_TREE_VIEW (widget);

    window = GTK_WINDOW (gtk_widget_get_toplevel (widget));

    dialog = em_folder_selector_new (
        window, em_folder_tree_model_get_default (),
        0, _("Select Folder to Add"), NULL, _("_Add"));

    selector = EM_FOLDER_SELECTOR (dialog);
    folder_tree = em_folder_selector_get_folder_tree (selector);

    em_folder_tree_set_excluded (folder_tree, EMFT_EXCLUDE_NOSELECT);

    if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) {
        const gchar *uri;

        uri = em_folder_selector_get_selected_uri (selector);
        if (uri && *uri) {
            gboolean found = FALSE;

            selection = gtk_tree_view_get_selection (tree_view);
            model = gtk_tree_view_get_model (tree_view);

            if (gtk_tree_model_get_iter_first (model, &iter)) {
                do {
                    gchar *old_uri = NULL;

                    gtk_tree_model_get (model, &iter, 1, &old_uri, -1);

                    found = g_strcmp0 (uri, old_uri) == 0;

                    g_free (old_uri);
                } while (!found && gtk_tree_model_iter_next (model, &iter));
            }

            if (!found) {
                EMailSendAccountOverride *account_override;
                GtkListStore *list_store;
                CamelSession *session;
                gchar *markup;

                list_store = GTK_LIST_STORE (model);
                session = g_object_get_data (G_OBJECT (builder), MAIL_CAMEL_SESSION_KEY);
                markup = e_mail_folder_uri_to_markup (session, uri, NULL);

                gtk_list_store_append (list_store, &iter);
                gtk_list_store_set (list_store, &iter, 0, markup, 1, uri, -1);

                g_free (markup);

                sao_block_changed_handler (builder);

                account_override = g_object_get_data (G_OBJECT (builder), MAIL_SEND_ACCOUNT_OVERRIDE_KEY);
                e_mail_send_account_override_set_for_folder (account_override, uri, account_uid);

                sao_unblock_changed_handler (builder);
            }

            gtk_tree_selection_unselect_all (selection);
            gtk_tree_selection_select_iter (selection, &iter);
        }
    }

    gtk_widget_destroy (dialog);
    g_free (account_uid);
}

static void
sao_folders_remove_button_clicked_cb (GtkButton *button,
                                      GtkBuilder *builder)
{
    EMailSendAccountOverride *account_override;
    GtkTreeSelection *selection;
    GtkTreeView *tree_view;
    GtkTreeModel *model;
    GtkTreeIter iter;
    GtkWidget *widget;
    GList *selected, *siter;

    g_return_if_fail (GTK_IS_BUTTON (button));
    g_return_if_fail (GTK_IS_BUILDER (builder));

    widget = e_builder_get_widget (builder, "sao-folders-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));
    tree_view = GTK_TREE_VIEW (widget);
    selection = gtk_tree_view_get_selection (tree_view);
    model = gtk_tree_view_get_model (tree_view);

    sao_block_changed_handler (builder);

    account_override = g_object_get_data (G_OBJECT (builder), MAIL_SEND_ACCOUNT_OVERRIDE_KEY);
    e_mail_send_account_override_freeze_save (account_override);

    selected = gtk_tree_selection_get_selected_rows (selection, &model);
    selected = g_list_reverse (selected);

    for (siter = selected; siter; siter = g_list_next (siter)) {
        gchar *uri = NULL;

        if (!gtk_tree_model_get_iter (model, &iter, siter->data))
            continue;

        gtk_tree_model_get (model, &iter, 1, &uri, -1);

        if (uri && *uri)
            e_mail_send_account_override_remove_for_folder (account_override, uri);

        gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
        g_free (uri);
    }

    e_mail_send_account_override_thaw_save (account_override);
    sao_unblock_changed_handler (builder);

    g_list_free_full (selected, (GDestroyNotify) gtk_tree_path_free);
}

static void
sao_recipients_treeview_selection_changed_cb (GtkTreeSelection *selection,
                                              GtkBuilder *builder)
{
    GtkWidget *widget;
    gint nselected;

    g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
    g_return_if_fail (GTK_IS_BUILDER (builder));

    nselected = gtk_tree_selection_count_selected_rows (selection);

    widget = e_builder_get_widget (builder, "sao-recipients-edit-button");
    g_return_if_fail (GTK_IS_WIDGET (widget));
    gtk_widget_set_sensitive (widget, nselected == 1);

    widget = e_builder_get_widget (builder, "sao-recipients-remove-button");
    g_return_if_fail (GTK_IS_WIDGET (widget));
    gtk_widget_set_sensitive (widget, nselected > 0);
}

static void
sao_recipient_edited_cb (GtkCellRendererText *renderer,
                         const gchar *path_str,
                         const gchar *new_text,
                         GtkBuilder *builder)
{
    EMailSendAccountOverride *account_override;
    GtkTreePath *path;
    GtkTreeModel *model;
    GtkTreeIter iter;
    gchar *text, *old_text = NULL, *account_uid;
    GtkWidget *widget;

    g_return_if_fail (path_str != NULL);
    g_return_if_fail (GTK_IS_BUILDER (builder));

    widget = e_builder_get_widget (builder, "sao-recipients-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));

    path = gtk_tree_path_new_from_string (path_str);
    g_return_if_fail (path != NULL);

    account_uid = sao_dup_account_uid (builder);
    g_return_if_fail (account_uid != NULL);

    model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
    g_return_if_fail (gtk_tree_model_get_iter (model, &iter, path));
    gtk_tree_path_free (path);

    gtk_tree_model_get (model, &iter, 0, &old_text, -1);

    sao_block_changed_handler (builder);

    account_override = g_object_get_data (G_OBJECT (builder), MAIL_SEND_ACCOUNT_OVERRIDE_KEY);

    text = g_strdup (new_text);
    if (text)
        g_strchomp (text);

    if (old_text && *old_text)
        e_mail_send_account_override_remove_for_recipient (account_override, old_text);

    if (!text || !*text) {
        gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
    } else {
        GtkTreeIter new_iter = iter;
        gboolean is_new = TRUE;

        if (gtk_tree_model_get_iter_first (model, &iter)) {
            do {
                gchar *old_recipient = NULL;

                gtk_tree_model_get (model, &iter, 0, &old_recipient, -1);

                is_new = !old_recipient || e_util_utf8_strcasecmp (text, old_recipient) != 0;

                g_free (old_recipient);
            } while (is_new && gtk_tree_model_iter_next (model, &iter));
        }

        if (is_new) {
            gtk_list_store_set (GTK_LIST_STORE (model), &new_iter, 0, text, -1);
            e_mail_send_account_override_set_for_recipient (account_override, text, account_uid);
        } else {
            GtkTreeSelection *selection;

            selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));

            gtk_list_store_remove (GTK_LIST_STORE (model), &new_iter);

            gtk_tree_selection_unselect_all (selection);
            gtk_tree_selection_select_iter (selection, &iter);
        }
    }

    sao_unblock_changed_handler (builder);

    g_free (account_uid);
    g_free (old_text);
    g_free (text);
}

static void
sao_recipient_editing_canceled_cb (GtkCellRenderer *renderer,
                                   GtkBuilder *builder)
{
    GtkTreeModel *model;
    GtkTreeIter iter;
    GtkWidget *widget;

    g_return_if_fail (GTK_IS_BUILDER (builder));

    widget = e_builder_get_widget (builder, "sao-recipients-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));

    model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));

    if (gtk_tree_model_get_iter_first (model, &iter)) {
        do {
            gchar *old_recipient = NULL;

            gtk_tree_model_get (model, &iter, 0, &old_recipient, -1);

            if (!old_recipient || !*old_recipient) {
                gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
                g_free (old_recipient);
                break;
            }

            g_free (old_recipient);
        } while (gtk_tree_model_iter_next (model, &iter));
    }
}

static void
sao_recipients_add_button_clicked_cb (GtkButton *button,
                                      GtkBuilder *builder)
{
    GtkTreeView *tree_view;
    GtkTreeViewColumn *column;
    GtkTreeSelection *selection;
    GtkTreeModel *model;
    GtkTreePath *path;
    GtkTreeIter iter;
    GtkWidget *widget;
    GList *cells;

    g_return_if_fail (GTK_IS_BUTTON (button));
    g_return_if_fail (GTK_IS_BUILDER (builder));

    widget = e_builder_get_widget (builder, "sao-recipients-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));

    tree_view = GTK_TREE_VIEW (widget);
    model = gtk_tree_view_get_model (tree_view);
    selection = gtk_tree_view_get_selection (tree_view);

    gtk_list_store_append (GTK_LIST_STORE (model), &iter);

    gtk_tree_selection_unselect_all (selection);
    gtk_tree_selection_select_iter (selection, &iter);

    column = gtk_tree_view_get_column (tree_view, 0);
    g_return_if_fail (column != NULL);

    cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
    g_return_if_fail (cells != NULL);

    path = gtk_tree_model_get_path (model, &iter);
    if (path == NULL) {
        g_list_free (cells);
        return;
    }

    g_object_set (cells->data, "editable", TRUE, NULL);
    gtk_tree_view_set_cursor_on_cell (
        tree_view, path, column, cells->data, TRUE);
    g_object_set (cells->data, "editable", FALSE, NULL);

    gtk_tree_path_free (path);
    g_list_free (cells);
}

static void
sao_recipients_edit_button_clicked_cb (GtkButton *button,
                                       GtkBuilder *builder)
{
    GtkTreeView *tree_view;
    GtkTreeViewColumn *column;
    GtkTreeSelection *selection;
    GtkTreePath *path;
    GtkWidget *widget;
    GList *cells, *selected;

    g_return_if_fail (GTK_IS_BUTTON (button));
    g_return_if_fail (GTK_IS_BUILDER (builder));

    widget = e_builder_get_widget (builder, "sao-recipients-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));

    tree_view = GTK_TREE_VIEW (widget);
    selection = gtk_tree_view_get_selection (tree_view);

    g_return_if_fail (gtk_tree_selection_count_selected_rows (selection) == 1);

    selected = gtk_tree_selection_get_selected_rows (selection, NULL);
    g_return_if_fail (selected && selected->next == NULL);

    path = selected->data;
    /* 'path' is freed later in the function */
    g_list_free (selected);

    column = gtk_tree_view_get_column (tree_view, 0);
    g_return_if_fail (column != NULL);

    cells = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
    g_return_if_fail (cells != NULL);

    g_object_set (cells->data, "editable", TRUE, NULL);
    gtk_tree_view_set_cursor_on_cell (
        tree_view, path, column, cells->data, TRUE);
    g_object_set (cells->data, "editable", FALSE, NULL);

    gtk_tree_path_free (path);
    g_list_free (cells);
}

static void
sao_recipients_remove_button_clicked_cb (GtkButton *button,
                                         GtkBuilder *builder)
{
    EMailSendAccountOverride *account_override;
    GtkTreeSelection *selection;
    GtkTreeView *tree_view;
    GtkTreeModel *model;
    GtkTreeIter iter;
    GtkWidget *widget;
    GList *selected, *siter;

    g_return_if_fail (GTK_IS_BUTTON (button));
    g_return_if_fail (GTK_IS_BUILDER (builder));

    widget = e_builder_get_widget (builder, "sao-recipients-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));
    tree_view = GTK_TREE_VIEW (widget);
    selection = gtk_tree_view_get_selection (tree_view);
    model = gtk_tree_view_get_model (tree_view);

    sao_block_changed_handler (builder);

    account_override = g_object_get_data (G_OBJECT (builder), MAIL_SEND_ACCOUNT_OVERRIDE_KEY);
    e_mail_send_account_override_freeze_save (account_override);

    selected = gtk_tree_selection_get_selected_rows (selection, &model);
    selected = g_list_reverse (selected);

    for (siter = selected; siter; siter = g_list_next (siter)) {
        gchar *recipient = NULL;

        if (!gtk_tree_model_get_iter (model, &iter, siter->data))
            continue;

        gtk_tree_model_get (model, &iter, 0, &recipient, -1);

        if (recipient && *recipient)
            e_mail_send_account_override_remove_for_recipient (account_override, recipient);

        gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
        g_free (recipient);
    }

    e_mail_send_account_override_thaw_save (account_override);
    sao_unblock_changed_handler (builder);

    g_list_free_full (selected, (GDestroyNotify) gtk_tree_path_free);
}

static void
send_account_override_setup (GtkBuilder *builder,
                             EMailBackend *mail_backend,
                             ESourceRegistry *registry)
{
    EMailIdentityComboBox *identity_combo_box;
    EMailSendAccountOverride *account_override;
    GtkTreeView *tree_view;
    GtkTreeSelection *selection;
    GtkTreeModel *model;
    GtkListStore *list_store;
    GtkCellRenderer *renderer;
    GtkWidget *widget;

    g_return_if_fail (GTK_IS_BUILDER (builder));
    g_return_if_fail (E_IS_MAIL_BACKEND (mail_backend));
    g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));

    /* use its model to avoid code duplication */
    widget = e_mail_identity_combo_box_new (registry);
    identity_combo_box = g_object_ref_sink (widget);

    widget = e_builder_get_widget (builder, "sao-account-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));

    tree_view = GTK_TREE_VIEW (widget);

    g_object_set_data_full (
        G_OBJECT (tree_view), "identity-combo-box",
        identity_combo_box, (GDestroyNotify) gtk_widget_destroy);
    g_object_set_data_full (
        G_OBJECT (builder), MAIL_CAMEL_SESSION_KEY,
        g_object_ref (e_mail_backend_get_session (mail_backend)), g_object_unref);

    model = gtk_combo_box_get_model (GTK_COMBO_BOX (identity_combo_box));

    gtk_tree_view_set_model (tree_view, model);
    gtk_tree_view_insert_column_with_attributes (
        tree_view, -1, _("Account"),
        gtk_cell_renderer_text_new (),
        "text", 0, NULL);

    selection = gtk_tree_view_get_selection (tree_view);
    g_signal_connect (
        selection, "changed",
        G_CALLBACK (sao_account_treeview_selection_changed_cb), builder);

    widget = e_builder_get_widget (builder, "sao-folders-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));

    tree_view = GTK_TREE_VIEW (widget);

    /* markup, folder-uri */
    list_store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
    gtk_tree_view_set_model (tree_view, GTK_TREE_MODEL (list_store));
    gtk_tree_view_insert_column_with_attributes (
        tree_view, -1, _("Folder"),
        gtk_cell_renderer_text_new (),
        "markup", 0, NULL);
    g_object_unref (list_store);

    selection = gtk_tree_view_get_selection (tree_view);
    g_signal_connect (
        selection, "changed",
        G_CALLBACK (sao_folders_treeview_selection_changed_cb), builder);

    widget = e_builder_get_widget (builder, "sao-folders-add-button");
    g_return_if_fail (GTK_IS_BUTTON (widget));
    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (sao_folders_add_button_clicked_cb), builder);

    widget = e_builder_get_widget (builder, "sao-folders-remove-button");
    g_return_if_fail (GTK_IS_BUTTON (widget));
    gtk_widget_set_sensitive (widget, FALSE);
    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (sao_folders_remove_button_clicked_cb), builder);

    widget = e_builder_get_widget (builder, "sao-recipients-treeview");
    g_return_if_fail (GTK_IS_TREE_VIEW (widget));

    tree_view = GTK_TREE_VIEW (widget);

    renderer = gtk_cell_renderer_text_new ();
    g_object_set (G_OBJECT (renderer), "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
    g_signal_connect (renderer, "edited", G_CALLBACK (sao_recipient_edited_cb), builder);
    g_signal_connect (renderer, "editing-canceled", G_CALLBACK (sao_recipient_editing_canceled_cb), builder);

    list_store = gtk_list_store_new (1, G_TYPE_STRING);
    gtk_tree_view_set_model (tree_view, GTK_TREE_MODEL (list_store));
    gtk_tree_view_insert_column_with_attributes (
        tree_view, -1, _("Recipient"),
        renderer, "text", 0, NULL);
    g_object_unref (list_store);

    selection = gtk_tree_view_get_selection (tree_view);
    g_signal_connect (
        selection, "changed",
        G_CALLBACK (sao_recipients_treeview_selection_changed_cb), builder);

    widget = e_builder_get_widget (builder, "sao-recipients-add-button");
    g_return_if_fail (GTK_IS_BUTTON (widget));
    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (sao_recipients_add_button_clicked_cb), builder);

    widget = e_builder_get_widget (builder, "sao-recipients-edit-button");
    g_return_if_fail (GTK_IS_BUTTON (widget));
    gtk_widget_set_sensitive (widget, FALSE);
    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (sao_recipients_edit_button_clicked_cb), builder);

    widget = e_builder_get_widget (builder, "sao-recipients-remove-button");
    g_return_if_fail (GTK_IS_BUTTON (widget));
    gtk_widget_set_sensitive (widget, FALSE);
    g_signal_connect (
        widget, "clicked",
        G_CALLBACK (sao_recipients_remove_button_clicked_cb), builder);

    /* init view */
    widget = e_builder_get_widget (builder, "sao-account-treeview");
    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
    sao_account_treeview_selection_changed_cb (selection, builder);

    account_override = e_mail_backend_get_send_account_override (mail_backend);
    g_signal_connect_object (account_override, "changed", G_CALLBACK (sao_overrides_changed_cb), builder, 0);
}

static GtkWidget *
emcp_widget_glade (EConfig *ec,
                   EConfigItem *item,
                   GtkWidget *parent,
                   GtkWidget *old,
                   gint position,
                   gpointer data)
{
    EMComposerPrefs *prefs = data;

    return e_builder_get_widget (prefs->builder, item->label);
}

/* plugin meta-data */
static EMConfigItem emcp_items[] = {

    { E_CONFIG_BOOK,
      (gchar *) "",
      (gchar *) "composer_toplevel",
      emcp_widget_glade },

    { E_CONFIG_PAGE,
      (gchar *) "00.general",
      (gchar *) "vboxComposerGeneral",
      emcp_widget_glade },

    { E_CONFIG_SECTION,
      (gchar *) "00.general/00.behavior",
      (gchar *) "default-behavior-vbox",
      emcp_widget_glade },

    { E_CONFIG_PAGE,
      (gchar *) "10.signatures",
      (gchar *) "vboxSignatures",
      emcp_widget_glade },

    /* signature/signatures and signature/preview parts not usable */

    { E_CONFIG_PAGE,
      (gchar *) "20.spellcheck",
      (gchar *) "vboxSpellChecking",
      emcp_widget_glade },

    { E_CONFIG_PAGE,
      (gchar *) "90.accountoverride",
      (gchar *) "send-account-override-grid",
      emcp_widget_glade }
};

static void
emcp_free (EConfig *ec,
           GSList *items,
           gpointer data)
{
    /* the prefs data is freed automagically */
    g_slist_free (items);
}

static void
em_composer_prefs_construct (EMComposerPrefs *prefs,
                             EShell *shell)
{
    GtkWidget *toplevel, *widget, *info_pixmap;
    GtkWidget *container;
    GSettings *settings;
    ESourceRegistry *registry;
    GtkTreeView *view;
    GtkListStore *store;
    GtkTreeSelection *selection;
    GtkCellRenderer *renderer;
    EMConfig *ec;
    EMConfigTargetPrefs *target;
    EMailBackend *mail_backend;
    EMailSendAccountOverride *send_override;
    GSList *l;
    gint i;

    registry = e_shell_get_registry (shell);

    settings = g_settings_new ("org.gnome.evolution.mail");

    /* Make sure our custom widget classes are registered with
     * GType before we load the GtkBuilder definition file. */
    E_TYPE_MAIL_JUNK_OPTIONS;
    EM_TYPE_FOLDER_SELECTION_BUTTON;

    prefs->builder = gtk_builder_new ();
    e_load_ui_builder_definition (prefs->builder, "mail-config.ui");

    /** @HookPoint-EMConfig: Mail Composer Preferences
     * @Id: org.gnome.evolution.mail.composerPrefs
     * @Class: org.gnome.evolution.mail.config:1.0
     * @Target: EMConfigTargetPrefs
     *
     * The mail composer preferences settings page.
     */
    ec = em_config_new ("org.gnome.evolution.mail.composerPrefs");
    l = NULL;
    for (i = 0; i < G_N_ELEMENTS (emcp_items); i++)
        l = g_slist_prepend (l, &emcp_items[i]);
    e_config_add_items ((EConfig *) ec, l, emcp_free, prefs);

    /* General tab */

    /* Default Behavior */

    widget = e_builder_get_widget (prefs->builder, "chkSendHTML");
    g_settings_bind (
        settings, "composer-send-html",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkPromptEmptySubject");
    g_settings_bind (
        settings, "prompt-on-empty-subject",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkPromptBccOnly");
    g_settings_bind (
        settings, "prompt-on-only-bcc",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkPromptPrivateListReply");
    g_settings_bind (
        settings, "prompt-on-private-list-reply",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkPromptReplyManyRecips");
    g_settings_bind (
        settings, "prompt-on-reply-many-recips",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkPromptListReplyTo");
    g_settings_bind (
        settings, "prompt-on-list-reply-to",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkPromptSendInvalidRecip");
    g_settings_bind (
        settings, "prompt-on-invalid-recip",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkAutoSmileys");
    g_settings_bind (
        settings, "composer-magic-smileys",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkRequestReceipt");
    g_settings_bind (
        settings, "composer-request-receipt",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkReplyStartBottom");
    g_settings_bind (
        settings, "composer-reply-start-bottom",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkOutlookFilenames");
    g_settings_bind (
        settings, "composer-outlook-filenames",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkIgnoreListReplyTo");
    g_settings_bind (
        settings, "composer-ignore-list-reply-to",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkGroupReplyToList");
    g_settings_bind (
        settings, "composer-group-reply-to-list",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkSignReplyIfSigned");
    g_settings_bind (
        settings, "composer-sign-reply-if-signed",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkTopSignature");
    g_settings_bind (
        settings, "composer-top-signature",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "chkEnableSpellChecking");
    g_settings_bind (
        settings, "composer-inline-spelling",
        widget, "active",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_charset_combo_box_new ();
    container = e_builder_get_widget (prefs->builder, "hboxComposerCharset");
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    gtk_widget_show (widget);
    g_settings_bind (
        settings, "composer-charset",
        widget, "charset",
        G_SETTINGS_BIND_DEFAULT);

    container = e_builder_get_widget (prefs->builder, "lblCharset");
    gtk_label_set_mnemonic_widget (GTK_LABEL (container), widget);

    /* Spell Checking */
    widget = e_builder_get_widget (prefs->builder, "listSpellCheckLanguage");
    view = GTK_TREE_VIEW (widget);
    store = gtk_list_store_new (
        3, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_POINTER);
    g_signal_connect_swapped (
        store, "row-changed",
        G_CALLBACK (spell_language_save), prefs);
    prefs->language_model = GTK_TREE_MODEL (store);
    gtk_tree_view_set_model (view, prefs->language_model);
    renderer = gtk_cell_renderer_toggle_new ();
    g_signal_connect (
        renderer, "toggled",
        G_CALLBACK (spell_language_toggled_cb), prefs);
    gtk_tree_view_insert_column_with_attributes (
        view, -1, _("Enabled"),
        renderer, "active", 0, NULL);

    gtk_tree_view_insert_column_with_attributes (
        view, -1, _("Language(s)"),
        gtk_cell_renderer_text_new (),
        "text", 1, NULL);
    selection = gtk_tree_view_get_selection (view);
    gtk_tree_selection_set_mode (selection, GTK_SELECTION_NONE);
    info_pixmap = e_builder_get_widget (prefs->builder, "pixmapSpellInfo");
    gtk_image_set_from_stock (
        GTK_IMAGE (info_pixmap),
        GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_BUTTON);

    widget = e_builder_get_widget (prefs->builder, "colorButtonSpellCheckColor");
    g_settings_bind_with_mapping (
        settings, "composer-spell-color",
        widget, "color",
        G_SETTINGS_BIND_DEFAULT,
        composer_prefs_map_string_to_color,
        composer_prefs_map_color_to_string,
        NULL, (GDestroyNotify) NULL);

    spell_setup (prefs);

    /* Forwards and Replies */
    widget = e_builder_get_widget (prefs->builder, "comboboxForwardStyle");
    g_settings_bind (
        settings, "forward-style-name",
        widget, "active-id",
        G_SETTINGS_BIND_DEFAULT);

    widget = e_builder_get_widget (prefs->builder, "comboboxReplyStyle");
    g_settings_bind (
        settings, "reply-style-name",
        widget, "active-id",
        G_SETTINGS_BIND_DEFAULT);

    /* Signatures */
    container = e_builder_get_widget (
        prefs->builder, "signature-alignment");
    widget = e_mail_signature_manager_new (registry);
    gtk_container_add (GTK_CONTAINER (container), widget);
    gtk_widget_show (widget);

    /* The mail shell backend responds to the "window-added" signal
     * that this triggers and configures it with composer preferences. */
    g_signal_connect_swapped (
        widget, "editor-created",
        G_CALLBACK (gtk_application_add_window), shell);

    g_settings_bind (
        settings, "composer-send-html",
        widget, "prefer-html",
        G_SETTINGS_BIND_GET);

    /* Send Account override */
    mail_backend = E_MAIL_BACKEND (e_shell_get_backend_by_name (shell, "mail"));
    g_return_if_fail (mail_backend != NULL);

    send_override = e_mail_backend_get_send_account_override (mail_backend);
    g_object_set_data_full (
        G_OBJECT (prefs->builder), MAIL_SEND_ACCOUNT_OVERRIDE_KEY,
        g_object_ref (send_override), g_object_unref);

    send_account_override_setup (prefs->builder, mail_backend, registry);

    widget = e_builder_get_widget (prefs->builder, "sao-prefer-folder-check");
    g_object_bind_property (
        send_override, "prefer-folder",
        widget, "active",
        G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);

    /* get our toplevel widget */
    target = em_config_target_new_prefs (ec);
    e_config_set_target ((EConfig *) ec, (EConfigTarget *) target);
    toplevel = e_config_create_widget ((EConfig *) ec);
    gtk_container_add (GTK_CONTAINER (prefs), toplevel);

    g_object_unref (settings);
}

GtkWidget *
em_composer_prefs_new (EPreferencesWindow *window)
{
    EShell *shell;
    EMComposerPrefs *prefs;

    shell = e_preferences_window_get_shell (window);
    g_return_val_if_fail (E_IS_SHELL (shell), NULL);

    prefs = g_object_new (EM_TYPE_COMPOSER_PREFS, NULL);
    em_composer_prefs_construct (prefs, shell);

    return GTK_WIDGET (prefs);
}