/*
 * Copyright © 2001 Havoc Pennington
 * Copyright © 2002 Red Hat, Inc.
 * Copyright © 2007, 2008, 2009 Christian Persch
 *
 * Mate-terminal 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 3 of the License, or
 * (at your option) any later version.
 *
 * Mate-terminal 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, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>

#include <string.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <gdk/gdkkeysyms.h>

#include <libmate-desktop/mate-aboutdialog.h>

#include "terminal-accels.h"
#include "terminal-app.h"
#include "terminal-debug.h"
#include "terminal-encoding.h"
#include "terminal-intl.h"
#include "terminal-screen-container.h"
#include "terminal-search-dialog.h"
#include "terminal-tab-label.h"
#include "terminal-tabs-menu.h"
#include "terminal-util.h"
#include "terminal-window.h"

#ifdef ENABLE_SKEY
#include "skey-popup.h"
#endif

#if GTK_CHECK_VERSION(3, 0, 0)
#include <gdk/gdk.h>
#endif

struct _TerminalWindowPrivate
{
    GtkActionGroup *action_group;
    GtkUIManager *ui_manager;
    guint ui_id;

    GtkActionGroup *profiles_action_group;
    guint profiles_ui_id;

    GtkActionGroup *encodings_action_group;
    guint encodings_ui_id;

    TerminalTabsMenu *tabs_menu;

    TerminalScreenPopupInfo *popup_info;
    guint remove_popup_info_idle;

    GtkActionGroup *new_terminal_action_group;
    guint new_terminal_ui_id;

    GtkWidget *menubar;
    GtkWidget *notebook;
    TerminalScreen *active_screen;
    int old_char_width;
    int old_char_height;
    void *old_geometry_widget; /* only used for pointer value as it may be freed */

    GtkWidget *confirm_close_dialog;
    GtkWidget *search_find_dialog;

    guint menubar_visible : 1;
    guint use_default_menubar_visibility : 1;

    /* Compositing manager integration */
    guint have_argb_visual : 1;

    /* Used to clear stray "demands attention" flashing on our window when we
     * unmap and map it to switch to an ARGB visual.
     */
    guint clear_demands_attention : 1;

    guint disposed : 1;
    guint present_on_insert : 1;

    /* Workaround until gtk+ bug #535557 is fixed */
    guint icon_title_set : 1;
    time_t focus_time;

    /* should we copy selection to clibpoard */
    int copy_selection;
};

#define PROFILE_DATA_KEY "GT::Profile"

#define FILE_NEW_TERMINAL_TAB_UI_PATH     "/menubar/File/FileNewTabProfiles"
#define FILE_NEW_TERMINAL_WINDOW_UI_PATH  "/menubar/File/FileNewWindowProfiles"
#define SET_ENCODING_UI_PATH              "/menubar/Terminal/TerminalSetEncoding/EncodingsPH"
#define SET_ENCODING_ACTION_NAME_PREFIX   "TerminalSetEncoding"

#define PROFILES_UI_PATH        "/menubar/Terminal/TerminalProfiles/ProfilesPH"
#define PROFILES_POPUP_UI_PATH  "/Popup/PopupTerminalProfiles/ProfilesPH"

#define SIZE_TO_UI_PATH            "/menubar/Terminal/TerminalSizeToPH"
#define SIZE_TO_ACTION_NAME_PREFIX "TerminalSizeTo"

#define STOCK_NEW_WINDOW  "window-new"
#define STOCK_NEW_TAB     "tab-new"

#define ENCODING_DATA_KEY "encoding"

#if 1
/*
 * We don't want to enable content saving until vte supports it async.
 * So we disable this code for stable versions.
 */
#include "terminal-version.h"

#if (TERMINAL_MINOR_VERSION & 1) != 0
#define ENABLE_SAVE
#else
#undef ENABLE_SAVE
#endif
#endif

static void terminal_window_dispose     (GObject             *object);
static void terminal_window_finalize    (GObject             *object);
static gboolean terminal_window_state_event (GtkWidget            *widget,
        GdkEventWindowState  *event);

static gboolean terminal_window_delete_event (GtkWidget *widget,
        GdkEvent *event,
        gpointer data);
static gboolean terminal_window_focus_in_event (GtkWidget *widget,
                                                GdkEventFocus *event,
                                                gpointer data);

static gboolean notebook_button_press_cb     (GtkWidget *notebook,
        GdkEventButton *event,
        TerminalWindow *window);
static gboolean notebook_popup_menu_cb       (GtkWidget *notebook,
        TerminalWindow *window);
static void notebook_page_selected_callback  (GtkWidget       *notebook,
        GtkWidget       *page,
        guint            page_num,
        TerminalWindow  *window);
static void notebook_page_added_callback     (GtkWidget       *notebook,
        GtkWidget       *container,
        guint            page_num,
        TerminalWindow  *window);
static void notebook_page_removed_callback   (GtkWidget       *notebook,
        GtkWidget       *container,
        guint            page_num,
        TerminalWindow  *window);

/* Menu action callbacks */
static void file_new_window_callback          (GtkAction *action,
        TerminalWindow *window);
static void file_new_tab_callback             (GtkAction *action,
        TerminalWindow *window);
static void file_new_profile_callback         (GtkAction *action,
        TerminalWindow *window);
static void file_close_window_callback        (GtkAction *action,
        TerminalWindow *window);
static void file_save_contents_callback       (GtkAction *action,
        TerminalWindow *window);
static void file_close_tab_callback           (GtkAction *action,
        TerminalWindow *window);
static void edit_copy_callback                (GtkAction *action,
        TerminalWindow *window);
static void edit_paste_callback               (GtkAction *action,
        TerminalWindow *window);
static void edit_select_all_callback          (GtkAction *action,
        TerminalWindow *window);
static void edit_keybindings_callback         (GtkAction *action,
        TerminalWindow *window);
static void edit_profiles_callback            (GtkAction *action,
        TerminalWindow *window);
static void edit_current_profile_callback     (GtkAction *action,
        TerminalWindow *window);
static void view_menubar_toggled_callback     (GtkToggleAction *action,
        TerminalWindow *window);
static void view_fullscreen_toggled_callback  (GtkToggleAction *action,
        TerminalWindow *window);
static void view_zoom_in_callback             (GtkAction *action,
        TerminalWindow *window);
static void view_zoom_out_callback            (GtkAction *action,
        TerminalWindow *window);
static void view_zoom_normal_callback         (GtkAction *action,
        TerminalWindow *window);
static void search_find_callback              (GtkAction *action,
        TerminalWindow *window);
static void search_find_next_callback         (GtkAction *action,
        TerminalWindow *window);
static void search_find_prev_callback         (GtkAction *action,
        TerminalWindow *window);
static void search_clear_highlight_callback   (GtkAction *action,
        TerminalWindow *window);
static void terminal_next_or_previous_profile_cb (GtkAction *action,
        TerminalWindow *window);
static void terminal_set_title_callback       (GtkAction *action,
        TerminalWindow *window);
static void terminal_add_encoding_callback    (GtkAction *action,
        TerminalWindow *window);
static void terminal_reset_callback           (GtkAction *action,
        TerminalWindow *window);
static void terminal_reset_clear_callback     (GtkAction *action,
        TerminalWindow *window);
static void tabs_next_or_previous_tab_cb      (GtkAction *action,
        TerminalWindow *window);
static void tabs_move_left_callback           (GtkAction *action,
        TerminalWindow *window);
static void tabs_move_right_callback          (GtkAction *action,
        TerminalWindow *window);
static void tabs_detach_tab_callback          (GtkAction *action,
        TerminalWindow *window);
static void help_contents_callback        (GtkAction *action,
        TerminalWindow *window);
static void help_about_callback           (GtkAction *action,
        TerminalWindow *window);

static gboolean find_larger_zoom_factor  (double  current,
        double *found);
static gboolean find_smaller_zoom_factor (double  current,
        double *found);

static void terminal_window_show (GtkWidget *widget);

static gboolean confirm_close_window_or_tab (TerminalWindow *window,
        TerminalScreen *screen);

static void
profile_set_callback (TerminalScreen *screen,
                      TerminalProfile *old_profile,
                      TerminalWindow *window);
static void
sync_screen_icon_title (TerminalScreen *screen,
                        GParamSpec *psepc,
                        TerminalWindow *window);

G_DEFINE_TYPE (TerminalWindow, terminal_window, GTK_TYPE_WINDOW)

/* Menubar mnemonics & accel settings handling */

static void
app_setting_notify_cb (TerminalApp *app,
                       GParamSpec *pspec,
                       GdkScreen *screen)
{
    GtkSettings *settings;
    const char *prop_name;

    if (pspec)
        prop_name = pspec->name;
    else
        prop_name = NULL;

    settings = gtk_settings_get_for_screen (screen);

    if (!prop_name || prop_name == I_(TERMINAL_APP_ENABLE_MNEMONICS))
    {
        gboolean enable_mnemonics;

        g_object_get (app, TERMINAL_APP_ENABLE_MNEMONICS, &enable_mnemonics, NULL);
        g_object_set (settings, "gtk-enable-mnemonics", enable_mnemonics, NULL);
    }

    if (!prop_name || prop_name == I_(TERMINAL_APP_ENABLE_MENU_BAR_ACCEL))
    {
        /* const */ char *saved_menubar_accel;
        gboolean enable_menubar_accel;

        /* FIXME: Once gtk+ bug 507398 is fixed, use that to reset the property instead */
        /* Now this is a bad hack on so many levels. */
        saved_menubar_accel = g_object_get_data (G_OBJECT (settings), "GT::gtk-menu-bar-accel");
        if (!saved_menubar_accel)
        {
            g_object_get (settings, "gtk-menu-bar-accel", &saved_menubar_accel, NULL);
            g_object_set_data_full (G_OBJECT (settings), "GT::gtk-menu-bar-accel",
                                    saved_menubar_accel, (GDestroyNotify) g_free);
        }

        g_object_get (app, TERMINAL_APP_ENABLE_MENU_BAR_ACCEL, &enable_menubar_accel, NULL);
        if (enable_menubar_accel)
            g_object_set (settings, "gtk-menu-bar-accel", saved_menubar_accel, NULL);
        else
            g_object_set (settings, "gtk-menu-bar-accel", NULL, NULL);
    }
}

static void
app_setting_notify_destroy_cb (GdkScreen *screen)
{
    g_signal_handlers_disconnect_by_func (terminal_app_get (),
                                          G_CALLBACK (app_setting_notify_cb),
                                          screen);
}

/* utility functions */

static char *
escape_underscores (const char *name)
{
    GString *escaped_name;

    g_assert (name != NULL);

    /* Who'd use more that 4 underscores in a profile name... */
    escaped_name = g_string_sized_new (strlen (name) + 4 + 1);

    while (*name)
    {
        if (*name == '_')
            g_string_append (escaped_name, "__");
        else
            g_string_append_c (escaped_name, *name);
        name++;
    }

    return g_string_free (escaped_name, FALSE);
}

static int
find_tab_num_at_pos (GtkNotebook *notebook,
                     int screen_x,
                     int screen_y)
{
    GtkPositionType tab_pos;
    int page_num = 0;
    GtkNotebook *nb = GTK_NOTEBOOK (notebook);
    GtkWidget *page;
    GtkAllocation tab_allocation;

    tab_pos = gtk_notebook_get_tab_pos (GTK_NOTEBOOK (notebook));

    while ((page = gtk_notebook_get_nth_page (nb, page_num)))
    {
        GtkWidget *tab;
        int max_x, max_y, x_root, y_root;

        tab = gtk_notebook_get_tab_label (nb, page);
        g_return_val_if_fail (tab != NULL, -1);

        if (!gtk_widget_get_mapped (GTK_WIDGET (tab)))
        {
            page_num++;
            continue;
        }

        gdk_window_get_origin (gtk_widget_get_window (tab), &x_root, &y_root);

        gtk_widget_get_allocation (tab, &tab_allocation);
        max_x = x_root + tab_allocation.x + tab_allocation.width;
        max_y = y_root + tab_allocation.y + tab_allocation.height;

        if ((tab_pos == GTK_POS_TOP || tab_pos == GTK_POS_BOTTOM) && screen_x <= max_x)
            return page_num;

        if ((tab_pos == GTK_POS_LEFT || tab_pos == GTK_POS_RIGHT) && screen_y <= max_y)
            return page_num;

        page_num++;
    }

    return -1;
}

static void
position_menu_under_widget (GtkMenu *menu,
                            int *x,
                            int *y,
                            gboolean *push_in,
                            gpointer user_data)
{
    /* Adapted from gtktoolbar.c */
    GtkWidget *widget = GTK_WIDGET (user_data);
    GdkWindow *widget_window;
    GtkWidget *container;
    GtkRequisition req;
    GtkRequisition menu_req;
    GdkRectangle monitor;
    int monitor_num;
    GdkScreen *screen;
    GtkAllocation widget_allocation;

    widget_window = gtk_widget_get_window (widget);
    gtk_widget_get_allocation (widget, &widget_allocation);
    container = gtk_widget_get_ancestor (widget, GTK_TYPE_CONTAINER);

#if GTK_CHECK_VERSION (3, 0, 0)
    gtk_widget_get_preferred_size (widget, &req, NULL);
    gtk_widget_get_preferred_size (GTK_WIDGET (menu), &menu_req, NULL);
#else
    gtk_widget_size_request (widget, &req);
    gtk_widget_size_request (GTK_WIDGET (menu), &menu_req);
#endif

    screen = gtk_widget_get_screen (GTK_WIDGET (menu));
    monitor_num = gdk_screen_get_monitor_at_window (screen, widget_window);
    if (monitor_num < 0)
        monitor_num = 0;
    gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);

    gdk_window_get_origin (widget_window, x, y);
    if (!gtk_widget_get_has_window (widget))
    {
        *x += widget_allocation.x;
        *y += widget_allocation.y;
    }
    if (gtk_widget_get_direction (container) == GTK_TEXT_DIR_LTR)
        *x += widget_allocation.width - req.width;
    else
        *x += req.width - menu_req.width;

    if ((*y + widget_allocation.height + menu_req.height) <= monitor.y + monitor.height)
        *y += widget_allocation.height;
    else if ((*y - menu_req.height) >= monitor.y)
        *y -= menu_req.height;
    else if (monitor.y + monitor.height - (*y + widget_allocation.height) > *y)
        *y += widget_allocation.height;
    else
        *y -= menu_req.height;

    *push_in = FALSE;
}

static void
terminal_set_profile_toggled_callback (GtkToggleAction *action,
                                       TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalProfile *profile;

    if (!gtk_toggle_action_get_active (action))
        return;

    if (priv->active_screen == NULL)
        return;

    profile = g_object_get_data (G_OBJECT (action), PROFILE_DATA_KEY);
    g_assert (profile);

    if (_terminal_profile_get_forgotten (profile))
        return;

    g_signal_handlers_block_by_func (priv->active_screen, G_CALLBACK (profile_set_callback), window);
    terminal_screen_set_profile (priv->active_screen, profile);
    g_signal_handlers_unblock_by_func (priv->active_screen, G_CALLBACK (profile_set_callback), window);
}

static void
profile_visible_name_notify_cb (TerminalProfile *profile,
                                GParamSpec *pspec,
                                GtkAction *action)
{
    const char *visible_name;
    char *dot, *display_name;
    guint num;

    visible_name = terminal_profile_get_property_string (profile, TERMINAL_PROFILE_VISIBLE_NAME);
    display_name = escape_underscores (visible_name);

    dot = strchr (gtk_action_get_name (action), '.');
    if (dot != NULL)
    {
        char *free_me;

        num = g_ascii_strtoll (dot + 1, NULL, 10);

        free_me = display_name;
        if (num < 10)
            /* Translators: This is the label of a menu item to choose a profile.
             * _%d is used as the accelerator (with d between 1 and 9), and
             * the %s is the name of the terminal profile.
             */
            display_name = g_strdup_printf (_("_%d. %s"), num, display_name);
        else if (num < 36)
            /* Translators: This is the label of a menu item to choose a profile.
             * _%c is used as the accelerator (it will be a character between A and Z),
             * and the %s is the name of the terminal profile.
             */
            display_name = g_strdup_printf (_("_%c. %s"), ('A' + num - 10), display_name);
        else
            free_me = NULL;

        g_free (free_me);
    }

    g_object_set (action, "label", display_name, NULL);
    g_free (display_name);
}

static void
disconnect_profiles_from_actions_in_group (GtkActionGroup *action_group)
{
    GList *actions, *l;

    actions = gtk_action_group_list_actions (action_group);
    for (l = actions; l != NULL; l = l->next)
    {
        GObject *action = G_OBJECT (l->data);
        TerminalProfile *profile;

        profile = g_object_get_data (action, PROFILE_DATA_KEY);
        if (!profile)
            continue;

        g_signal_handlers_disconnect_by_func (profile, G_CALLBACK (profile_visible_name_notify_cb), action);
    }
    g_list_free (actions);
}

static void
terminal_window_update_set_profile_menu_active_profile (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalProfile *new_active_profile;
    GList *actions, *l;

    if (!priv->profiles_action_group)
        return;

    if (!priv->active_screen)
        return;

    new_active_profile = terminal_screen_get_profile (priv->active_screen);

    actions = gtk_action_group_list_actions (priv->profiles_action_group);
    for (l = actions; l != NULL; l = l->next)
    {
        GObject *action = G_OBJECT (l->data);
        TerminalProfile *profile;

        profile = g_object_get_data (action, PROFILE_DATA_KEY);
        if (profile != new_active_profile)
            continue;

        g_signal_handlers_block_by_func (action, G_CALLBACK (terminal_set_profile_toggled_callback), window);
        gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
        g_signal_handlers_unblock_by_func (action, G_CALLBACK (terminal_set_profile_toggled_callback), window);

        break;
    }
    g_list_free (actions);
}

static void
terminal_window_update_set_profile_menu (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalProfile *active_profile;
    GtkActionGroup *action_group;
    GtkAction *action;
    GList *profiles, *p;
    GSList *group;
    guint n;
    gboolean single_profile;

    /* Remove the old UI */
    if (priv->profiles_ui_id != 0)
    {
        gtk_ui_manager_remove_ui (priv->ui_manager, priv->profiles_ui_id);
        priv->profiles_ui_id = 0;
    }

    if (priv->profiles_action_group != NULL)
    {
        disconnect_profiles_from_actions_in_group (priv->profiles_action_group);
        gtk_ui_manager_remove_action_group (priv->ui_manager,
                                            priv->profiles_action_group);
        priv->profiles_action_group = NULL;
    }

    profiles = terminal_app_get_profile_list (terminal_app_get ());

    action = gtk_action_group_get_action (priv->action_group, "TerminalProfiles");
    single_profile = !profiles || profiles->next == NULL; /* list length <= 1 */
    gtk_action_set_sensitive (action, !single_profile);
    if (profiles == NULL)
        return;

    if (priv->active_screen)
        active_profile = terminal_screen_get_profile (priv->active_screen);
    else
        active_profile = NULL;

    action_group = priv->profiles_action_group = gtk_action_group_new ("Profiles");
    gtk_ui_manager_insert_action_group (priv->ui_manager, action_group, -1);
    g_object_unref (action_group);

    priv->profiles_ui_id = gtk_ui_manager_new_merge_id (priv->ui_manager);

    group = NULL;
    n = 0;
    for (p = profiles; p != NULL; p = p->next)
    {
        TerminalProfile *profile = (TerminalProfile *) p->data;
        GtkRadioAction *profile_action;
        char name[32];

        g_snprintf (name, sizeof (name), "TerminalSetProfile%u", n++);

        profile_action = gtk_radio_action_new (name,
                                               NULL,
                                               NULL,
                                               NULL,
                                               n);

        gtk_radio_action_set_group (profile_action, group);
        group = gtk_radio_action_get_group (profile_action);

        if (profile == active_profile)
            gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (profile_action), TRUE);

        g_object_set_data_full (G_OBJECT (profile_action),
                                PROFILE_DATA_KEY,
                                g_object_ref (profile),
                                (GDestroyNotify) g_object_unref);
        profile_visible_name_notify_cb (profile, NULL, GTK_ACTION (profile_action));
        g_signal_connect (profile, "notify::" TERMINAL_PROFILE_VISIBLE_NAME,
                          G_CALLBACK (profile_visible_name_notify_cb), profile_action);
        g_signal_connect (profile_action, "toggled",
                          G_CALLBACK (terminal_set_profile_toggled_callback), window);

        gtk_action_group_add_action (action_group, GTK_ACTION (profile_action));
        g_object_unref (profile_action);

        gtk_ui_manager_add_ui (priv->ui_manager, priv->profiles_ui_id,
                               PROFILES_UI_PATH,
                               name, name,
                               GTK_UI_MANAGER_MENUITEM, FALSE);
        gtk_ui_manager_add_ui (priv->ui_manager, priv->profiles_ui_id,
                               PROFILES_POPUP_UI_PATH,
                               name, name,
                               GTK_UI_MANAGER_MENUITEM, FALSE);
    }

    g_list_free (profiles);
}

static void
terminal_window_create_new_terminal_action (TerminalWindow *window,
        TerminalProfile *profile,
        const char *name,
        guint num,
        GCallback callback)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkAction *action;

    action = gtk_action_new (name, NULL, NULL, NULL);

    g_object_set_data_full (G_OBJECT (action),
                            PROFILE_DATA_KEY,
                            g_object_ref (profile),
                            (GDestroyNotify) g_object_unref);
    profile_visible_name_notify_cb (profile, NULL, action);
    g_signal_connect (profile, "notify::" TERMINAL_PROFILE_VISIBLE_NAME,
                      G_CALLBACK (profile_visible_name_notify_cb), action);
    g_signal_connect (action, "activate", callback, window);

    gtk_action_group_add_action (priv->new_terminal_action_group, action);
    g_object_unref (action);
}

static void
terminal_window_update_new_terminal_menus (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkActionGroup *action_group;
    GtkAction *action;
    GList *profiles, *p;
    guint n;
    gboolean have_single_profile;

    /* Remove the old UI */
    if (priv->new_terminal_ui_id != 0)
    {
        gtk_ui_manager_remove_ui (priv->ui_manager, priv->new_terminal_ui_id);
        priv->new_terminal_ui_id = 0;
    }

    if (priv->new_terminal_action_group != NULL)
    {
        disconnect_profiles_from_actions_in_group (priv->new_terminal_action_group);
        gtk_ui_manager_remove_action_group (priv->ui_manager,
                                            priv->new_terminal_action_group);
        priv->new_terminal_action_group = NULL;
    }

    profiles = terminal_app_get_profile_list (terminal_app_get ());
    have_single_profile = !profiles || !profiles->next;

    action = gtk_action_group_get_action (priv->action_group, "FileNewTab");
    gtk_action_set_visible (action, have_single_profile);
    action = gtk_action_group_get_action (priv->action_group, "FileNewWindow");
    gtk_action_set_visible (action, have_single_profile);

    if (have_single_profile)
    {
        g_list_free (profiles);
        return;
    }

    /* Now build the submenus */

    action_group = priv->new_terminal_action_group = gtk_action_group_new ("NewTerminal");
    gtk_ui_manager_insert_action_group (priv->ui_manager, action_group, -1);
    g_object_unref (action_group);

    priv->new_terminal_ui_id = gtk_ui_manager_new_merge_id (priv->ui_manager);

    n = 0;
    for (p = profiles; p != NULL; p = p->next)
    {
        TerminalProfile *profile = (TerminalProfile *) p->data;
        char name[32];

        g_snprintf (name, sizeof (name), "FileNewTab.%u", n);
        terminal_window_create_new_terminal_action (window,
                profile,
                name,
                n,
                G_CALLBACK (file_new_tab_callback));

        gtk_ui_manager_add_ui (priv->ui_manager, priv->new_terminal_ui_id,
                               FILE_NEW_TERMINAL_TAB_UI_PATH,
                               name, name,
                               GTK_UI_MANAGER_MENUITEM, FALSE);

        g_snprintf (name, sizeof (name), "FileNewWindow.%u", n);
        terminal_window_create_new_terminal_action (window,
                profile,
                name,
                n,
                G_CALLBACK (file_new_window_callback));

        gtk_ui_manager_add_ui (priv->ui_manager, priv->new_terminal_ui_id,
                               FILE_NEW_TERMINAL_WINDOW_UI_PATH,
                               name, name,
                               GTK_UI_MANAGER_MENUITEM, FALSE);

        ++n;
    }

    g_list_free (profiles);
}

static void
terminal_set_encoding_callback (GtkToggleAction *action,
                                TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalEncoding *encoding;

    if (!gtk_toggle_action_get_active (action))
        return;

    if (priv->active_screen == NULL)
        return;

    encoding = g_object_get_data (G_OBJECT (action), ENCODING_DATA_KEY);
    g_assert (encoding);

    vte_terminal_set_encoding (VTE_TERMINAL (priv->active_screen),
#if VTE_CHECK_VERSION (0, 38, 0)
                               terminal_encoding_get_charset (encoding), NULL);
#else
                               terminal_encoding_get_charset (encoding));
#endif
}

static void
terminal_window_update_encoding_menu (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalApp *app;
    GtkActionGroup *action_group;
    GSList *group;
    guint n;
    GSList *encodings, *l;
    const char *charset;
    TerminalEncoding *active_encoding;

    /* Remove the old UI */
    if (priv->encodings_ui_id != 0)
    {
        gtk_ui_manager_remove_ui (priv->ui_manager, priv->encodings_ui_id);
        priv->encodings_ui_id = 0;
    }

    if (priv->encodings_action_group != NULL)
    {
        gtk_ui_manager_remove_action_group (priv->ui_manager,
                                            priv->encodings_action_group);
        priv->encodings_action_group = NULL;
    }

    action_group = priv->encodings_action_group = gtk_action_group_new ("Encodings");
    gtk_ui_manager_insert_action_group (priv->ui_manager, action_group, -1);
    g_object_unref (action_group);

    priv->encodings_ui_id = gtk_ui_manager_new_merge_id (priv->ui_manager);

    if (priv->active_screen)
        charset = vte_terminal_get_encoding (VTE_TERMINAL (priv->active_screen));
    else
        charset = "current";

    app = terminal_app_get ();
    active_encoding = terminal_app_ensure_encoding (app, charset);

    encodings = terminal_app_get_active_encodings (app);

    if (g_slist_find (encodings, active_encoding) == NULL)
        encodings = g_slist_append (encodings, terminal_encoding_ref (active_encoding));

    group = NULL;
    n = 0;
    for (l = encodings; l != NULL; l = l->next)
    {
        TerminalEncoding *e = (TerminalEncoding *) l->data;
        GtkRadioAction *encoding_action;
        char name[128];
        char *display_name;

        g_snprintf (name, sizeof (name), SET_ENCODING_ACTION_NAME_PREFIX "%s", terminal_encoding_get_id (e));
        display_name = g_strdup_printf ("%s (%s)", e->name, terminal_encoding_get_charset (e));

        encoding_action = gtk_radio_action_new (name,
                                                display_name,
                                                NULL,
                                                NULL,
                                                n);
        g_free (display_name);

        gtk_radio_action_set_group (encoding_action, group);
        group = gtk_radio_action_get_group (encoding_action);

        if (charset && strcmp (terminal_encoding_get_id (e), charset) == 0)
            gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (encoding_action), TRUE);

        g_signal_connect (encoding_action, "toggled",
                          G_CALLBACK (terminal_set_encoding_callback), window);

        g_object_set_data_full (G_OBJECT (encoding_action), ENCODING_DATA_KEY,
                                terminal_encoding_ref (e),
                                (GDestroyNotify) terminal_encoding_unref);

        gtk_action_group_add_action (action_group, GTK_ACTION (encoding_action));
        g_object_unref (encoding_action);

        gtk_ui_manager_add_ui (priv->ui_manager, priv->encodings_ui_id,
                               SET_ENCODING_UI_PATH,
                               name, name,
                               GTK_UI_MANAGER_MENUITEM, FALSE);
    }

    g_slist_foreach (encodings, (GFunc) terminal_encoding_unref, NULL);
    g_slist_free (encodings);
}

static void
terminal_window_update_encoding_menu_active_encoding (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkAction *action;
    char name[128];

    if (!priv->active_screen)
        return;
    if (!priv->encodings_action_group)
        return;

    g_snprintf (name, sizeof (name), SET_ENCODING_ACTION_NAME_PREFIX "%s",
                vte_terminal_get_encoding (VTE_TERMINAL (priv->active_screen)));
    action = gtk_action_group_get_action (priv->encodings_action_group, name);
    if (!action)
        return;

    g_signal_handlers_block_by_func (action, G_CALLBACK (terminal_set_encoding_callback), window);
    gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
    g_signal_handlers_unblock_by_func (action, G_CALLBACK (terminal_set_encoding_callback), window);
}

static void
terminal_size_to_cb (GtkAction *action,
                     TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    const char *name;
    char *end = NULL;
    guint width, height;

    if (priv->active_screen == NULL)
        return;

    name = gtk_action_get_name (action) + strlen (SIZE_TO_ACTION_NAME_PREFIX);
    width = g_ascii_strtoull (name, &end, 10);
    g_assert (end && *end == 'x');
    height = g_ascii_strtoull (end + 1, &end, 10);
    g_assert (end && *end == '\0');

    vte_terminal_set_size (VTE_TERMINAL (priv->active_screen), width, height);

    terminal_window_set_size_force_grid (window, priv->active_screen, TRUE, -1, -1);
}

static void
terminal_window_update_size_to_menu (TerminalWindow *window)
{
    static const struct
    {
        guint grid_width;
        guint grid_height;
    } predefined_sizes[] =
    {
        { 80, 24 },
        { 80, 43 },
        { 132, 24 },
        { 132, 43 }
    };
    TerminalWindowPrivate *priv = window->priv;
    guint i;

    /* We only install this once, so there's no need for a separate action group
     * and any cleanup + build-new-one action here.
     */

    for (i = 0; i < G_N_ELEMENTS (predefined_sizes); ++i)
    {
        guint grid_width = predefined_sizes[i].grid_width;
        guint grid_height = predefined_sizes[i].grid_height;
        GtkAction *action;
        char name[40];
        char *display_name;

        g_snprintf (name, sizeof (name), SIZE_TO_ACTION_NAME_PREFIX "%ux%u",
                    grid_width, grid_height);

        /* If there are ever more than 9 of these, extend this to use A..Z as mnemonics,
         * like we do for the profiles menu.
         */
        display_name = g_strdup_printf ("_%u. %ux%u", i + 1, grid_width, grid_height);

        action = gtk_action_new (name, display_name, NULL, NULL);
        g_free (display_name);

        g_signal_connect (action, "activate",
                          G_CALLBACK (terminal_size_to_cb), window);

        gtk_action_group_add_action (priv->action_group, action);
        g_object_unref (action);

        gtk_ui_manager_add_ui (priv->ui_manager, priv->ui_id,
                               SIZE_TO_UI_PATH,
                               name, name,
                               GTK_UI_MANAGER_MENUITEM, FALSE);
    }
}

/* Actions stuff */

static void
terminal_window_update_copy_sensitivity (TerminalScreen *screen,
        TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkAction *action;
    gboolean can_copy;

    if (screen != priv->active_screen)
        return;

    can_copy = vte_terminal_get_has_selection (VTE_TERMINAL (screen));

    action = gtk_action_group_get_action (priv->action_group, "EditCopy");
    gtk_action_set_sensitive (action, can_copy);

    /* 24/07/2014 madars.vitolins@gmail.com, sync to clibboard */
    if (priv->copy_selection)
        vte_terminal_copy_clipboard(VTE_TERMINAL(screen));
}

static void
terminal_window_update_zoom_sensitivity (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalScreen *screen;
    GtkAction *action;
    double current, zoom;

    screen = priv->active_screen;
    if (screen == NULL)
        return;

    current = terminal_screen_get_font_scale (screen);

    action = gtk_action_group_get_action (priv->action_group, "ViewZoomOut");
    gtk_action_set_sensitive (action, find_smaller_zoom_factor (current, &zoom));
    action = gtk_action_group_get_action (priv->action_group, "ViewZoomIn");
    gtk_action_set_sensitive (action, find_larger_zoom_factor (current, &zoom));
}

static void
terminal_window_update_search_sensitivity (TerminalScreen *screen,
        TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkAction *action;
    gboolean can_search;

    if (screen != priv->active_screen)
        return;

    can_search = vte_terminal_search_get_gregex (VTE_TERMINAL (screen)) != NULL;

    action = gtk_action_group_get_action (priv->action_group, "SearchFindNext");
    gtk_action_set_sensitive (action, can_search);
    action = gtk_action_group_get_action (priv->action_group, "SearchFindPrevious");
    gtk_action_set_sensitive (action, can_search);
    action = gtk_action_group_get_action (priv->action_group, "SearchClearHighlight");
    gtk_action_set_sensitive (action, can_search);
}

static void
update_edit_menu_cb (GtkClipboard *clipboard,
                     GdkAtom *targets,
                     int n_targets,
                     TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkAction *action;
    gboolean can_paste, can_paste_uris;

    can_paste = targets != NULL && gtk_targets_include_text (targets, n_targets);
    can_paste_uris = targets != NULL && gtk_targets_include_uri (targets, n_targets);

    action = gtk_action_group_get_action (priv->action_group, "EditPaste");
    gtk_action_set_sensitive (action, can_paste);
    action = gtk_action_group_get_action (priv->action_group, "EditPasteURIPaths");
    gtk_action_set_visible (action, can_paste_uris);
    gtk_action_set_sensitive (action, can_paste_uris);

    /* Ref was added in gtk_clipboard_request_targets below */
    g_object_unref (window);
}

static void
update_edit_menu(TerminalWindow *window)
{
    GtkClipboard *clipboard;

    clipboard = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD);
    gtk_clipboard_request_targets (clipboard,
                                   (GtkClipboardTargetsReceivedFunc) update_edit_menu_cb,
                                   g_object_ref (window));
}

/* width and height are character-based in vte 0.38, pixel-based in previous versions */
static void
screen_resize_window_cb (TerminalScreen *screen,
                         guint width,
                         guint height,
                         TerminalWindow* window)
{
    TerminalWindowPrivate *priv = window->priv;
    VteTerminal *terminal = VTE_TERMINAL (screen);
    GtkWidget *widget = GTK_WIDGET (screen);
#if !VTE_CHECK_VERSION (0, 38, 0)
    guint grid_width, grid_height;
    int char_width, char_height;
    GtkBorder *inner_border = NULL;
    GtkAllocation widget_allocation;
#endif

    /* Don't do anything if we're maximised or fullscreened */
    // FIXME: realized && ... instead?
    if (!gtk_widget_get_realized (widget) ||
            (gdk_window_get_state (gtk_widget_get_window (widget)) & (GDK_WINDOW_STATE_MAXIMIZED | GDK_WINDOW_STATE_FULLSCREEN)) != 0)
        return;

    /* NOTE: width and height already include the VteTerminal's padding! */

#if VTE_CHECK_VERSION (0, 38, 0)
    vte_terminal_set_size (terminal, width, height);
#else
    gtk_widget_get_allocation (widget, &widget_allocation);

    /* Short-circuit */
    if (((int) width) == widget_allocation.width &&
            ((int) height) == widget_allocation.height)
        return;

    /* The resize-window signal sucks. Re-compute grid widths */

    char_width = vte_terminal_get_char_width (terminal);
    char_height = vte_terminal_get_char_height (terminal);

    gtk_widget_style_get (GTK_WIDGET (terminal), "inner-border", &inner_border, NULL);
    grid_width = (width - (inner_border ? (inner_border->left + inner_border->right) : 0)) / char_width;
    grid_height = (height - (inner_border ? (inner_border->top + inner_border->bottom) : 0)) / char_height;
    gtk_border_free (inner_border);

    vte_terminal_set_size (terminal, grid_width, grid_height);
#endif

    if (screen != priv->active_screen)
        return;

    terminal_window_set_size_force_grid (window, screen, TRUE, -1, -1); //grid_width, grid_height);
}

static void
terminal_window_update_tabs_menu_sensitivity (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkNotebook *notebook = GTK_NOTEBOOK (priv->notebook);
    GtkActionGroup *action_group = priv->action_group;
    GtkAction *action;
    int num_pages, page_num;
    gboolean not_first, not_last;

    if (priv->disposed)
        return;

    num_pages = gtk_notebook_get_n_pages (notebook);
    page_num = gtk_notebook_get_current_page (notebook);
    not_first = page_num > 0;
    not_last = page_num + 1 < num_pages;

    /* Hide the tabs menu in single-tab windows */
    action = gtk_action_group_get_action (action_group, "Tabs");
    gtk_action_set_visible (action, num_pages > 1);

#if 1
    /* NOTE: We always make next/prev actions sensitive except in
     * single-tab windows, so the corresponding shortcut key escape code
     * isn't sent to the terminal. See bug #453193 and bug #138609.
     * This also makes tab cycling work, bug #92139.
     * FIXME: Find a better way to do this.
     */
    action = gtk_action_group_get_action (action_group, "TabsPrevious");
    gtk_action_set_sensitive (action, num_pages > 1);
    action = gtk_action_group_get_action (action_group, "TabsNext");
    gtk_action_set_sensitive (action, num_pages > 1);
#else
    /* This would be correct, but see the comment above. */
    action = gtk_action_group_get_action (action_group, "TabsPrevious");
    gtk_action_set_sensitive (action, not_first);
    action = gtk_action_group_get_action (action_group, "TabsNext");
    gtk_action_set_sensitive (action, not_last);
#endif

    action = gtk_action_group_get_action (action_group, "TabsMoveLeft");
    gtk_action_set_sensitive (action, not_first);
    action = gtk_action_group_get_action (action_group, "TabsMoveRight");
    gtk_action_set_sensitive (action, not_last);
    action = gtk_action_group_get_action (action_group, "TabsDetach");
    gtk_action_set_sensitive (action, num_pages > 1);
    action = gtk_action_group_get_action (action_group, "FileCloseTab");
    gtk_action_set_sensitive (action, num_pages > 1);
}

#if !VTE_CHECK_VERSION (0, 38, 0)
gboolean
terminal_window_uses_argb_visual (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    return priv->have_argb_visual;
}
#endif

static void
update_tab_visibility (TerminalWindow *window,
                       int             change)
{
    TerminalWindowPrivate *priv = window->priv;
    gboolean show_tabs;
    guint num;

    num = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));

    show_tabs = (num + change) > 1;
    gtk_notebook_set_show_tabs (GTK_NOTEBOOK (priv->notebook), show_tabs);
}

static GtkNotebook *
handle_tab_droped_on_desktop (GtkNotebook *source_notebook,
                              GtkWidget   *container,
                              gint         x,
                              gint         y,
                              gpointer     data)
{
    TerminalWindow *source_window;
    TerminalWindow *new_window;
    TerminalWindowPrivate *new_priv;

    source_window = TERMINAL_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (source_notebook)));
    g_return_val_if_fail (TERMINAL_IS_WINDOW (source_window), NULL);

    new_window = terminal_app_new_window (terminal_app_get (),
                                          gtk_widget_get_screen (GTK_WIDGET (source_window)));
    new_priv = new_window->priv;
    new_priv->present_on_insert = TRUE;

    update_tab_visibility (source_window, -1);
    update_tab_visibility (new_window, +1);

    return GTK_NOTEBOOK (new_priv->notebook);
}

/* Terminal screen popup menu handling */

static void
popup_open_url_callback (GtkAction *action,
                         TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalScreenPopupInfo *info = priv->popup_info;

    if (info == NULL)
        return;

    terminal_util_open_url (GTK_WIDGET (window), info->string, info->flavour,
                            gtk_get_current_event_time ());
}

static void
popup_copy_url_callback (GtkAction *action,
                         TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalScreenPopupInfo *info = priv->popup_info;
    GtkClipboard *clipboard;

    if (info == NULL)
        return;

    if (info->string == NULL)
        return;

    clipboard = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD);
    gtk_clipboard_set_text (clipboard, info->string, -1);
}

static void
popup_leave_fullscreen_callback (GtkAction *action,
                                 TerminalWindow *window)
{
    gtk_window_unfullscreen (GTK_WINDOW (window));
}

static void
remove_popup_info (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (priv->remove_popup_info_idle != 0)
    {
        g_source_remove (priv->remove_popup_info_idle);
        priv->remove_popup_info_idle = 0;
    }

    if (priv->popup_info != NULL)
    {
        terminal_screen_popup_info_unref (priv->popup_info);
        priv->popup_info = NULL;
    }
}

static gboolean
idle_remove_popup_info (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    priv->remove_popup_info_idle = 0;
    remove_popup_info (window);
    return FALSE;
}

static void
unset_popup_info (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    /* Unref the event from idle since we still need it
     * from the action callbacks which will run before idle.
     */
    if (priv->remove_popup_info_idle == 0 &&
            priv->popup_info != NULL)
    {
        priv->remove_popup_info_idle =
            g_idle_add ((GSourceFunc) idle_remove_popup_info, window);
    }
}

static void
popup_menu_deactivate_callback (GtkWidget *popup,
                                TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkWidget *im_menu_item;

    g_signal_handlers_disconnect_by_func
    (popup, G_CALLBACK (popup_menu_deactivate_callback), window);

    im_menu_item = gtk_ui_manager_get_widget (priv->ui_manager,
                   "/Popup/PopupInputMethods");
    gtk_menu_item_set_submenu (GTK_MENU_ITEM (im_menu_item), NULL);

    unset_popup_info (window);
}

static void
popup_clipboard_targets_received_cb (GtkClipboard *clipboard,
                                     GdkAtom *targets,
                                     int n_targets,
                                     TerminalScreenPopupInfo *info)
{
    TerminalWindow *window = info->window;
    TerminalWindowPrivate *priv = window->priv;
    TerminalScreen *screen = info->screen;
    GtkWidget *popup_menu, *im_menu, *im_menu_item;
    GtkAction *action;
    gboolean can_paste, can_paste_uris, show_link, show_email_link, show_call_link, show_input_method_menu;
    int n_pages;

    if (!gtk_widget_get_realized (GTK_WIDGET (screen)))
    {
        terminal_screen_popup_info_unref (info);
        return;
    }

    /* Now we know that the screen is realized, we know that the window is still alive */
    remove_popup_info (window);

    priv->popup_info = info; /* adopt the ref added when requesting the clipboard */

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

    can_paste = targets != NULL && gtk_targets_include_text (targets, n_targets);
    can_paste_uris = targets != NULL && gtk_targets_include_uri (targets, n_targets);
    show_link = info->string != NULL && (info->flavour == FLAVOR_AS_IS || info->flavour == FLAVOR_DEFAULT_TO_HTTP);
    show_email_link = info->string != NULL && info->flavour == FLAVOR_EMAIL;
    show_call_link = info->string != NULL && info->flavour == FLAVOR_VOIP_CALL;

    action = gtk_action_group_get_action (priv->action_group, "PopupSendEmail");
    gtk_action_set_visible (action, show_email_link);
    action = gtk_action_group_get_action (priv->action_group, "PopupCopyEmailAddress");
    gtk_action_set_visible (action, show_email_link);
    action = gtk_action_group_get_action (priv->action_group, "PopupCall");
    gtk_action_set_visible (action, show_call_link);
    action = gtk_action_group_get_action (priv->action_group, "PopupCopyCallAddress");
    gtk_action_set_visible (action, show_call_link);
    action = gtk_action_group_get_action (priv->action_group, "PopupOpenLink");
    gtk_action_set_visible (action, show_link);
    action = gtk_action_group_get_action (priv->action_group, "PopupCopyLinkAddress");
    gtk_action_set_visible (action, show_link);

    action = gtk_action_group_get_action (priv->action_group, "PopupCloseWindow");
    gtk_action_set_visible (action, n_pages <= 1);
    action = gtk_action_group_get_action (priv->action_group, "PopupCloseTab");
    gtk_action_set_visible (action, n_pages > 1);

    action = gtk_action_group_get_action (priv->action_group, "PopupCopy");
    gtk_action_set_sensitive (action, vte_terminal_get_has_selection (VTE_TERMINAL (screen)));
    action = gtk_action_group_get_action (priv->action_group, "PopupPaste");
    gtk_action_set_sensitive (action, can_paste);
    action = gtk_action_group_get_action (priv->action_group, "PopupPasteURIPaths");
    gtk_action_set_visible (action, can_paste_uris);

    g_object_get (gtk_widget_get_settings (GTK_WIDGET (window)),
                  "gtk-show-input-method-menu", &show_input_method_menu,
                  NULL);

    action = gtk_action_group_get_action (priv->action_group, "PopupInputMethods");
    gtk_action_set_visible (action, show_input_method_menu);

#if !VTE_CHECK_VERSION (0, 38, 0)
    im_menu_item = gtk_ui_manager_get_widget (priv->ui_manager,
                   "/Popup/PopupInputMethods");
    /* FIXME: fix this when gtk+ bug #500065 is done, use vte_terminal_im_merge_ui */
    if (show_input_method_menu)
    {
        im_menu = gtk_menu_new ();
        vte_terminal_im_append_menuitems (VTE_TERMINAL (screen),
                                          GTK_MENU_SHELL (im_menu));
        gtk_widget_show (im_menu);
        gtk_menu_item_set_submenu (GTK_MENU_ITEM (im_menu_item), im_menu);
    }
    else
    {
        gtk_menu_item_set_submenu (GTK_MENU_ITEM (im_menu_item), NULL);
    }
#endif

    popup_menu = gtk_ui_manager_get_widget (priv->ui_manager, "/Popup");
    g_signal_connect (popup_menu, "deactivate",
                      G_CALLBACK (popup_menu_deactivate_callback), window);

    /* Pseudo activation of the popup menu's action */
    action = gtk_action_group_get_action (priv->action_group, "Popup");
    gtk_action_activate (action);

    if (info->button == 0)
        gtk_menu_shell_select_first (GTK_MENU_SHELL (popup_menu), FALSE);

    gtk_menu_popup (GTK_MENU (popup_menu),
                    NULL, NULL,
                    NULL, NULL,
                    info->button,
                    info->timestamp);
}

static void
screen_show_popup_menu_callback (TerminalScreen *screen,
                                 TerminalScreenPopupInfo *info,
                                 TerminalWindow *window)
{
    GtkClipboard *clipboard;

    g_return_if_fail (info->window == window);

    clipboard = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD);
    gtk_clipboard_request_targets (clipboard,
                                   (GtkClipboardTargetsReceivedFunc) popup_clipboard_targets_received_cb,
                                   terminal_screen_popup_info_ref (info));
}

static gboolean
screen_match_clicked_cb (TerminalScreen *screen,
                         const char *match,
                         int flavour,
                         guint state,
                         TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (screen != priv->active_screen)
        return FALSE;

    switch (flavour)
    {
#ifdef ENABLE_SKEY
    case FLAVOR_SKEY:
        terminal_skey_do_popup (GTK_WINDOW (window), screen, match);
        break;
#endif
    default:
        gtk_widget_grab_focus (GTK_WIDGET (screen));
        terminal_util_open_url (GTK_WIDGET (window), match, flavour,
                                gtk_get_current_event_time ());
        break;
    }

    return TRUE;
}

static void
screen_close_cb (TerminalScreen *screen,
                 TerminalWindow *window)
{
    terminal_window_remove_screen (window, screen);
}

static gboolean
terminal_window_accel_activate_cb (GtkAccelGroup  *accel_group,
                                   GObject        *acceleratable,
                                   guint           keyval,
                                   GdkModifierType modifier,
                                   TerminalWindow *window)
{
    GtkAccelGroupEntry *entries;
    guint n_entries;
    gboolean retval = FALSE;

    entries = gtk_accel_group_query (accel_group, keyval, modifier, &n_entries);
    if (n_entries > 0)
    {
        const char *accel_path;

        accel_path = g_quark_to_string (entries[0].accel_path_quark);

        if (g_str_has_prefix (accel_path, "<Actions>/Main/"))
        {
            const char *action_name;

            /* We want to always consume these accelerators, even if the corresponding
             * action is insensitive, so the corresponding shortcut key escape code
             * isn't sent to the terminal. See bug #453193, bug #138609 and bug #559728.
             * This also makes tab cycling work, bug #92139. (NOT!)
             */

            action_name = I_(accel_path + strlen ("<Actions>/Main/"));

#if 0
            if (gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook)) > 1 &&
                    (action_name == I_("TabsPrevious") || action_name == I_("TabsNext")))
                retval = TRUE;
            else
#endif
                if (action_name == I_("EditCopy") ||
                        action_name == I_("PopupCopy") ||
                        action_name == I_("EditPaste") ||
                        action_name == I_("PopupPaste"))
                    retval = TRUE;
        }
    }

    return retval;
}

/*****************************************/

#ifdef MATE_ENABLE_DEBUG
static void
terminal_window_size_allocate_cb (GtkWidget *widget,
                                  GtkAllocation *allocation)
{
    _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                           "[window %p] size-alloc result %d : %d at (%d, %d)\n",
                           widget,
                           allocation->width, allocation->height,
                           allocation->x, allocation->y);
}
#endif /* MATE_ENABLE_DEBUG */

static void
terminal_window_realize (GtkWidget *widget)
{
    TerminalWindow *window = TERMINAL_WINDOW (widget);
    TerminalWindowPrivate *priv = window->priv;
#if defined(GDK_WINDOWING_X11) || defined(GDK_WINDOWING_WAYLAND)
    GdkScreen *screen;
    GtkAllocation widget_allocation;
    #if GTK_CHECK_VERSION (3, 0, 0)
      GdkVisual *visual;
    #else
      GdkColormap *colormap;
    #endif
    gtk_widget_get_allocation (widget, &widget_allocation);
    screen = gtk_widget_get_screen (GTK_WIDGET (window));

    #if GTK_CHECK_VERSION (3, 0, 0)
      if (gdk_screen_is_composited (screen) &&
          (visual = gdk_screen_get_rgba_visual (screen)) != NULL)
        {
          /* Set RGBA visual if possible so VTE can use real transparency */
          gtk_widget_set_visual (GTK_WIDGET (widget), visual);
          priv->have_argb_visual = TRUE;
        }
      else
        {
          gtk_widget_set_visual (GTK_WIDGET (window), gdk_screen_get_system_visual (screen));
          priv->have_argb_visual = FALSE;
        }
    #else
      if (gdk_screen_is_composited (screen) &&
          (colormap = gdk_screen_get_rgba_colormap (screen)) != NULL)
        {
          /* Set RGBA colormap if possible so VTE can use real transparency */
          gtk_widget_set_colormap (widget, colormap);
          priv->have_argb_visual = TRUE;
        }
      else
        {
          gtk_widget_set_colormap (widget, gdk_screen_get_default_colormap (screen));
          priv->have_argb_visual = FALSE;
        }
    #endif

#endif

    _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                           "[window %p] realize, size %d : %d at (%d, %d)\n",
                           widget,
                           widget_allocation.width, widget_allocation.height,
                           widget_allocation.x, widget_allocation.y);

    GTK_WIDGET_CLASS (terminal_window_parent_class)->realize (widget);

    /* Need to do this now since this requires the window to be realized */
    if (priv->active_screen != NULL)
        sync_screen_icon_title (priv->active_screen, NULL, window);
}

static gboolean
terminal_window_map_event (GtkWidget    *widget,
                           GdkEventAny  *event)
{
    TerminalWindow *window = TERMINAL_WINDOW (widget);
    TerminalWindowPrivate *priv = window->priv;
    gboolean (* map_event) (GtkWidget *, GdkEventAny *) =
        GTK_WIDGET_CLASS (terminal_window_parent_class)->map_event;
    GtkAllocation widget_allocation;

    gtk_widget_get_allocation (widget, &widget_allocation);
    _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                           "[window %p] map-event, size %d : %d at (%d, %d)\n",
                           widget,
                           widget_allocation.width, widget_allocation.height,
                           widget_allocation.x, widget_allocation.y);

    if (priv->clear_demands_attention)
    {
#ifdef GDK_WINDOWING_X11
        terminal_util_x11_clear_demands_attention (gtk_widget_get_window (widget));
#endif

        priv->clear_demands_attention = FALSE;
    }

    if (map_event)
        return map_event (widget, event);

    return FALSE;
}


static gboolean
terminal_window_state_event (GtkWidget            *widget,
                             GdkEventWindowState  *event)
{
    gboolean (* window_state_event) (GtkWidget *, GdkEventWindowState *event) =
        GTK_WIDGET_CLASS (terminal_window_parent_class)->window_state_event;

    if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
    {
        TerminalWindow *window = TERMINAL_WINDOW (widget);
        TerminalWindowPrivate *priv = window->priv;
        GtkAction *action;
        gboolean is_fullscreen;

        is_fullscreen = (event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) != 0;

        action = gtk_action_group_get_action (priv->action_group, "ViewFullscreen");
        gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), is_fullscreen);

        action = gtk_action_group_get_action (priv->action_group, "PopupLeaveFullscreen");
        gtk_action_set_visible (action, is_fullscreen);
    }

    if (window_state_event)
        return window_state_event (widget, event);

    return FALSE;
}

#ifdef GDK_WINDOWING_X11
static void
terminal_window_window_manager_changed_cb (GdkScreen *screen,
        TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkAction *action;
    gboolean supports_fs;

    supports_fs = gdk_x11_screen_supports_net_wm_hint (screen, gdk_atom_intern ("_NET_WM_STATE_FULLSCREEN", FALSE));

    action = gtk_action_group_get_action (priv->action_group, "ViewFullscreen");
    gtk_action_set_sensitive (action, supports_fs);
}
#endif

static void
terminal_window_screen_update (TerminalWindow *window,
                               GdkScreen *screen)
{
    TerminalApp *app;

    terminal_window_window_manager_changed_cb (screen, window);
    g_signal_connect (screen, "window-manager-changed",
                      G_CALLBACK (terminal_window_window_manager_changed_cb), window);

    if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (screen), "GT::HasSettingsConnection")))
        return;

    g_object_set_data_full (G_OBJECT (screen), "GT::HasSettingsConnection",
                            GINT_TO_POINTER (TRUE),
                            (GDestroyNotify) app_setting_notify_destroy_cb);

    app = terminal_app_get ();
    app_setting_notify_cb (app, NULL, screen);
    g_signal_connect (app, "notify::" TERMINAL_APP_ENABLE_MNEMONICS,
                      G_CALLBACK (app_setting_notify_cb), screen);
    g_signal_connect (app, "notify::" TERMINAL_APP_ENABLE_MENU_BAR_ACCEL,
                      G_CALLBACK (app_setting_notify_cb), screen);
}

static void
terminal_window_screen_changed (GtkWidget *widget,
                                GdkScreen *previous_screen)
{
    TerminalWindow *window = TERMINAL_WINDOW (widget);
    void (* screen_changed) (GtkWidget *, GdkScreen *) =
        GTK_WIDGET_CLASS (terminal_window_parent_class)->screen_changed;
    GdkScreen *screen;

    if (screen_changed)
        screen_changed (widget, previous_screen);

    screen = gtk_widget_get_screen (widget);
    if (previous_screen == screen)
        return;

    if (previous_screen)
    {
        g_signal_handlers_disconnect_by_func (previous_screen,
                                              G_CALLBACK (terminal_window_window_manager_changed_cb),
                                              window);
    }

    if (!screen)
        return;

    terminal_window_screen_update (window, screen);
}

static void
terminal_window_profile_list_changed_cb (TerminalApp *app,
        TerminalWindow *window)
{
    terminal_window_update_set_profile_menu (window);
    terminal_window_update_new_terminal_menus (window);
}

static void
terminal_window_encoding_list_changed_cb (TerminalApp *app,
        TerminalWindow *window)
{
    terminal_window_update_encoding_menu (window);
}

static void
terminal_window_init (TerminalWindow *window)
{
    const GtkActionEntry menu_entries[] =
    {
        /* Toplevel */
        { "File", NULL, N_("_File") },
        { "FileNewWindowProfiles", STOCK_NEW_WINDOW, N_("Open _Terminal")},
        { "FileNewTabProfiles", STOCK_NEW_TAB, N_("Open Ta_b") },
        { "Edit", NULL, N_("_Edit") },
        { "View", NULL, N_("_View") },
        { "Search", NULL, N_("_Search") },
        { "Terminal", NULL, N_("_Terminal") },
        { "Tabs", NULL, N_("Ta_bs") },
        { "Help", NULL, N_("_Help") },
        { "Popup", NULL, NULL },
        { "NotebookPopup", NULL, "" },

        /* File menu */
        {
            "FileNewWindow", STOCK_NEW_WINDOW, N_("Open _Terminal"), "<shift><control>N",
            NULL,
            G_CALLBACK (file_new_window_callback)
        },
        {
            "FileNewTab", STOCK_NEW_TAB, N_("Open Ta_b"), "<shift><control>T",
            NULL,
            G_CALLBACK (file_new_tab_callback)
        },
        {
            "FileNewProfile", GTK_STOCK_OPEN, N_("New _Profile…"), "",
            NULL,
            G_CALLBACK (file_new_profile_callback)
        },
        {
            "FileSaveContents", GTK_STOCK_SAVE, N_("_Save Contents"), "",
            NULL,
            G_CALLBACK (file_save_contents_callback)
        },
        {
            "FileCloseTab", GTK_STOCK_CLOSE, N_("C_lose Tab"), "<shift><control>W",
            NULL,
            G_CALLBACK (file_close_tab_callback)
        },
        {
            "FileCloseWindow", GTK_STOCK_CLOSE, N_("_Close Window"), "<shift><control>Q",
            NULL,
            G_CALLBACK (file_close_window_callback)
        },

        /* Edit menu */
        {
            "EditCopy", GTK_STOCK_COPY, NULL, "<shift><control>C",
            NULL,
            G_CALLBACK (edit_copy_callback)
        },
        {
            "EditPaste", GTK_STOCK_PASTE, NULL, "<shift><control>V",
            NULL,
            G_CALLBACK (edit_paste_callback)
        },
        {
            "EditPasteURIPaths", GTK_STOCK_PASTE, N_("Paste _Filenames"), "",
            NULL,
            G_CALLBACK (edit_paste_callback)
        },
        {
            "EditSelectAll", GTK_STOCK_SELECT_ALL, NULL, NULL,
            NULL,
            G_CALLBACK (edit_select_all_callback)
        },
        {
            "EditProfiles", NULL, N_("P_rofiles…"), NULL,
            NULL,
            G_CALLBACK (edit_profiles_callback)
        },
        {
            "EditKeybindings", NULL, N_("_Keyboard Shortcuts…"), NULL,
            NULL,
            G_CALLBACK (edit_keybindings_callback)
        },
        {
            "EditCurrentProfile", NULL, N_("Pr_ofile Preferences"), NULL,
            NULL,
            G_CALLBACK (edit_current_profile_callback)
        },

        /* View menu */
        {
            "ViewZoomIn", GTK_STOCK_ZOOM_IN, NULL, "<control>plus",
            NULL,
            G_CALLBACK (view_zoom_in_callback)
        },
        {
            "ViewZoomOut", GTK_STOCK_ZOOM_OUT, NULL, "<control>minus",
            NULL,
            G_CALLBACK (view_zoom_out_callback)
        },
        {
            "ViewZoom100", GTK_STOCK_ZOOM_100, NULL, "<control>0",
            NULL,
            G_CALLBACK (view_zoom_normal_callback)
        },

        /* Search menu */
        {
            "SearchFind", GTK_STOCK_FIND, N_("_Find..."), "<shift><control>F",
            NULL,
            G_CALLBACK (search_find_callback)
        },
        {
            "SearchFindNext", NULL, N_("Find Ne_xt"), "<shift><control>H",
            NULL,
            G_CALLBACK (search_find_next_callback)
        },
        {
            "SearchFindPrevious", NULL, N_("Find Pre_vious"), "<shift><control>G",
            NULL,
            G_CALLBACK (search_find_prev_callback)
        },
        {
            "SearchClearHighlight", NULL, N_("_Clear Highlight"), "<shift><control>J",
            NULL,
            G_CALLBACK (search_clear_highlight_callback)
        },
#if 0
        {
            "SearchGoToLine", GTK_STOCK_JUMP_TO, N_("Go to _Line..."), "<shift><control>I",
            NULL,
            G_CALLBACK (search_goto_line_callback)
        },
        {
            "SearchIncrementalSearch", GTK_STOCK_FIND, N_("_Incremental Search..."), "<shift><control>K",
            NULL,
            G_CALLBACK (search_incremental_search_callback)
        },
#endif

        /* Terminal menu */
        { "TerminalProfiles", NULL, N_("Change _Profile") },
        {
            "ProfilePrevious", NULL, N_("_Previous Profile"), "<alt>Page_Up",
            NULL,
            G_CALLBACK (terminal_next_or_previous_profile_cb)
        },
        {
            "ProfileNext", NULL, N_("_Next Profile"), "<alt>Page_Down",
            NULL,
            G_CALLBACK (terminal_next_or_previous_profile_cb)
        },
        {
            "TerminalSetTitle", NULL, N_("_Set Title…"), NULL,
            NULL,
            G_CALLBACK (terminal_set_title_callback)
        },
        { "TerminalSetEncoding", NULL, N_("Set _Character Encoding") },
        {
            "TerminalReset", NULL, N_("_Reset"), NULL,
            NULL,
            G_CALLBACK (terminal_reset_callback)
        },
        {
            "TerminalResetClear", NULL, N_("Reset and C_lear"), NULL,
            NULL,
            G_CALLBACK (terminal_reset_clear_callback)
        },

        /* Terminal/Encodings menu */
        {
            "TerminalAddEncoding", NULL, N_("_Add or Remove…"), NULL,
            NULL,
            G_CALLBACK (terminal_add_encoding_callback)
        },

        /* Tabs menu */
        {
            "TabsPrevious", NULL, N_("_Previous Tab"), "<control>Page_Up",
            NULL,
            G_CALLBACK (tabs_next_or_previous_tab_cb)
        },
        {
            "TabsNext", NULL, N_("_Next Tab"), "<control>Page_Down",
            NULL,
            G_CALLBACK (tabs_next_or_previous_tab_cb)
        },
        {
            "TabsMoveLeft", NULL, N_("Move Tab _Left"), "<shift><control>Page_Up",
            NULL,
            G_CALLBACK (tabs_move_left_callback)
        },
        {
            "TabsMoveRight", NULL, N_("Move Tab _Right"), "<shift><control>Page_Down",
            NULL,
            G_CALLBACK (tabs_move_right_callback)
        },
        {
            "TabsDetach", NULL, N_("_Detach tab"), NULL,
            NULL,
            G_CALLBACK (tabs_detach_tab_callback)
        },

        /* Help menu */
        {
            "HelpContents", GTK_STOCK_HELP, N_("_Contents"), "F1",
            NULL,
            G_CALLBACK (help_contents_callback)
        },
        {
            "HelpAbout", GTK_STOCK_ABOUT, N_("_About"), NULL,
            NULL,
            G_CALLBACK (help_about_callback)
        },

        /* Popup menu */
        {
            "PopupSendEmail", NULL, N_("_Send Mail To…"), NULL,
            NULL,
            G_CALLBACK (popup_open_url_callback)
        },
        {
            "PopupCopyEmailAddress", NULL, N_("_Copy E-mail Address"), NULL,
            NULL,
            G_CALLBACK (popup_copy_url_callback)
        },
        {
            "PopupCall", NULL, N_("C_all To…"), NULL,
            NULL,
            G_CALLBACK (popup_open_url_callback)
        },
        {
            "PopupCopyCallAddress", NULL, N_("_Copy Call Address"), NULL,
            NULL,
            G_CALLBACK (popup_copy_url_callback)
        },
        {
            "PopupOpenLink", NULL, N_("_Open Link"), NULL,
            NULL,
            G_CALLBACK (popup_open_url_callback)
        },
        {
            "PopupCopyLinkAddress", NULL, N_("_Copy Link Address"), NULL,
            NULL,
            G_CALLBACK (popup_copy_url_callback)
        },
        { "PopupTerminalProfiles", NULL, N_("P_rofiles") },
        {
            "PopupCopy", GTK_STOCK_COPY, NULL, "",
            NULL,
            G_CALLBACK (edit_copy_callback)
        },
        {
            "PopupPaste", GTK_STOCK_PASTE, NULL, "",
            NULL,
            G_CALLBACK (edit_paste_callback)
        },
        {
            "PopupPasteURIPaths", GTK_STOCK_PASTE, N_("Paste _Filenames"), "",
            NULL,
            G_CALLBACK (edit_paste_callback)
        },
        {
            "PopupNewTerminal", NULL, N_("Open _Terminal"), NULL,
            NULL,
            G_CALLBACK (file_new_window_callback)
        },
        {
            "PopupNewTab", NULL, N_("Open Ta_b"), NULL,
            NULL,
            G_CALLBACK (file_new_tab_callback)
        },
        {
            "PopupCloseWindow", NULL, N_("C_lose Window"), NULL,
            NULL,
            G_CALLBACK (file_close_window_callback)
        },
        {
            "PopupCloseTab", NULL, N_("C_lose Tab"), NULL,
            NULL,
            G_CALLBACK (file_close_tab_callback)
        },
        {
            "PopupLeaveFullscreen", NULL, N_("L_eave Full Screen"), NULL,
            NULL,
            G_CALLBACK (popup_leave_fullscreen_callback)
        },
        { "PopupInputMethods", NULL, N_("_Input Methods") }
    };

    const GtkToggleActionEntry toggle_menu_entries[] =
    {
        /* View Menu */
        {
            "ViewMenubar", NULL, N_("Show _Menubar"), NULL,
            NULL,
            G_CALLBACK (view_menubar_toggled_callback),
            FALSE
        },
        {
            "ViewFullscreen", NULL, N_("_Full Screen"), NULL,
            NULL,
            G_CALLBACK (view_fullscreen_toggled_callback),
            FALSE
        }
    };
    TerminalWindowPrivate *priv;
    TerminalApp *app;
    GtkActionGroup *action_group;
    GtkAction *action;
    GtkUIManager *manager;
    GtkWidget *main_vbox;
    GError *error;
    GtkWindowGroup *window_group;
    GtkAccelGroup *accel_group;
    GtkClipboard *clipboard;

    priv = window->priv = G_TYPE_INSTANCE_GET_PRIVATE (window, TERMINAL_TYPE_WINDOW, TerminalWindowPrivate);

    g_signal_connect (G_OBJECT (window), "delete_event",
                      G_CALLBACK(terminal_window_delete_event),
                      NULL);
    g_signal_connect (G_OBJECT (window), "focus_in_event",
                      G_CALLBACK(terminal_window_focus_in_event),
                      NULL);

#ifdef MATE_ENABLE_DEBUG
    _TERMINAL_DEBUG_IF (TERMINAL_DEBUG_GEOMETRY)
    {
        g_signal_connect_after (window, "size-allocate", G_CALLBACK (terminal_window_size_allocate_cb), NULL);
    }
#endif

#if GTK_CHECK_VERSION(3, 0, 0)
    GtkStyleContext *context;

    context = gtk_widget_get_style_context (GTK_WIDGET (window));
    gtk_style_context_add_class (context, "mate-terminal");
#endif

    gtk_window_set_title (GTK_WINDOW (window), _("Terminal"));

    priv->active_screen = NULL;
    priv->menubar_visible = FALSE;

#if GTK_CHECK_VERSION (3, 0, 0)
    main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
#else
    main_vbox = gtk_vbox_new (FALSE, 0);
#endif
    gtk_container_add (GTK_CONTAINER (window), main_vbox);
    gtk_widget_show (main_vbox);

    priv->notebook = gtk_notebook_new ();
    gtk_notebook_set_scrollable (GTK_NOTEBOOK (priv->notebook), TRUE);
    gtk_notebook_set_show_border (GTK_NOTEBOOK (priv->notebook), FALSE);
    gtk_notebook_set_show_tabs (GTK_NOTEBOOK (priv->notebook), FALSE);
    gtk_notebook_set_group_name (GTK_NOTEBOOK (priv->notebook), I_("mate-terminal-window"));
    gtk_notebook_set_scrollable (GTK_NOTEBOOK (priv->notebook),
                                 TRUE);
    g_signal_connect (priv->notebook, "button-press-event",
                      G_CALLBACK (notebook_button_press_cb), window);
    g_signal_connect (priv->notebook, "popup-menu",
                      G_CALLBACK (notebook_popup_menu_cb), window);
    g_signal_connect_after (priv->notebook, "switch-page",
                            G_CALLBACK (notebook_page_selected_callback), window);
    g_signal_connect_after (priv->notebook, "page-added",
                            G_CALLBACK (notebook_page_added_callback), window);
    g_signal_connect_after (priv->notebook, "page-removed",
                            G_CALLBACK (notebook_page_removed_callback), window);
    g_signal_connect_data (priv->notebook, "page-reordered",
                           G_CALLBACK (terminal_window_update_tabs_menu_sensitivity),
                           window, NULL, G_CONNECT_SWAPPED | G_CONNECT_AFTER);

    g_signal_connect (priv->notebook, "create-window",
                    G_CALLBACK (handle_tab_droped_on_desktop), window);

    gtk_box_pack_end (GTK_BOX (main_vbox), priv->notebook, TRUE, TRUE, 0);
    gtk_widget_show (priv->notebook);

    priv->old_char_width = -1;
    priv->old_char_height = -1;
    priv->old_geometry_widget = NULL;

    /* Create the UI manager */
    manager = priv->ui_manager = gtk_ui_manager_new ();

    accel_group = gtk_ui_manager_get_accel_group (manager);
    gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
    /* Workaround for bug #453193, bug #138609 and bug #559728 */
    g_signal_connect_after (accel_group, "accel-activate",
                            G_CALLBACK (terminal_window_accel_activate_cb), window);

    /* Create the actions */
    /* Note that this action group name is used in terminal-accels.c; do not change it */
    priv->action_group = action_group = gtk_action_group_new ("Main");
    gtk_action_group_set_translation_domain (action_group, NULL);
    gtk_action_group_add_actions (action_group, menu_entries,
                                  G_N_ELEMENTS (menu_entries), window);
    gtk_action_group_add_toggle_actions (action_group,
                                         toggle_menu_entries,
                                         G_N_ELEMENTS (toggle_menu_entries),
                                         window);
    gtk_ui_manager_insert_action_group (manager, action_group, 0);
    g_object_unref (action_group);

   clipboard = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD);
   g_signal_connect_swapped (clipboard, "owner-change",
                             G_CALLBACK (update_edit_menu), window);
   update_edit_menu (window);
    /* Idem for this action, since the window is not fullscreen. */
    action = gtk_action_group_get_action (priv->action_group, "PopupLeaveFullscreen");
    gtk_action_set_visible (action, FALSE);

#ifndef ENABLE_SAVE
    action = gtk_action_group_get_action (priv->action_group, "FileSaveContents");
    gtk_action_set_visible (action, FALSE);
#endif

    /* Load the UI */
    error = NULL;
    priv->ui_id = gtk_ui_manager_add_ui_from_file (manager,
                  TERM_PKGDATADIR G_DIR_SEPARATOR_S "terminal.xml",
                  &error);
    if (error)
    {
        g_printerr ("Failed to load UI: %s\n", error->message);
        g_error_free (error);
    }

    priv->menubar = gtk_ui_manager_get_widget (manager, "/menubar");
    gtk_box_pack_start (GTK_BOX (main_vbox),
                        priv->menubar,
                        FALSE, FALSE, 0);

    /* Add tabs menu */
    priv->tabs_menu = terminal_tabs_menu_new (window);

    app = terminal_app_get ();
    terminal_window_profile_list_changed_cb (app, window);
    g_signal_connect (app, "profile-list-changed",
                      G_CALLBACK (terminal_window_profile_list_changed_cb), window);

    terminal_window_encoding_list_changed_cb (app, window);
    g_signal_connect (app, "encoding-list-changed",
                      G_CALLBACK (terminal_window_encoding_list_changed_cb), window);

    terminal_window_set_menubar_visible (window, TRUE);
    priv->use_default_menubar_visibility = TRUE;

    terminal_window_update_size_to_menu (window);

    /* We have to explicitly call this, since screen-changed is NOT
     * emitted for the toplevel the first time!
     */
    terminal_window_screen_update (window, gtk_widget_get_screen (GTK_WIDGET (window)));

    window_group = gtk_window_group_new ();
    gtk_window_group_add_window (window_group, GTK_WINDOW (window));
    g_object_unref (window_group);

    terminal_util_set_unique_role (GTK_WINDOW (window), "mate-terminal-window");
}

static void
terminal_window_class_init (TerminalWindowClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);

    object_class->dispose = terminal_window_dispose;
    object_class->finalize = terminal_window_finalize;

    widget_class->show = terminal_window_show;
    widget_class->realize = terminal_window_realize;
    widget_class->map_event = terminal_window_map_event;
    widget_class->window_state_event = terminal_window_state_event;
    widget_class->screen_changed = terminal_window_screen_changed;

    g_type_class_add_private (object_class, sizeof (TerminalWindowPrivate));

    gtk_rc_parse_string ("style \"mate-terminal-tab-close-button-style\"\n"
                         "{\n"
                         "GtkWidget::focus-padding = 0\n"
                         "GtkWidget::focus-line-width = 0\n"
                         "xthickness = 0\n"
                         "ythickness = 0\n"
                         "}\n"
                         "widget \"*.mate-terminal-tab-close-button\" style \"mate-terminal-tab-close-button-style\"");

}

static void
terminal_window_dispose (GObject *object)
{
    TerminalWindow *window = TERMINAL_WINDOW (object);
    TerminalWindowPrivate *priv = window->priv;
    TerminalApp *app;
    GdkScreen *screen;
    GtkClipboard *clipboard;

    remove_popup_info (window);

    priv->disposed = TRUE;

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

    if (priv->profiles_action_group != NULL)
        disconnect_profiles_from_actions_in_group (priv->profiles_action_group);
    if (priv->new_terminal_action_group != NULL)
        disconnect_profiles_from_actions_in_group (priv->new_terminal_action_group);

    app = terminal_app_get ();
    g_signal_handlers_disconnect_by_func (app,
                                          G_CALLBACK (terminal_window_profile_list_changed_cb),
                                          window);
    g_signal_handlers_disconnect_by_func (app,
                                          G_CALLBACK (terminal_window_encoding_list_changed_cb),
                                          window);
    clipboard = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD);
    g_signal_handlers_disconnect_by_func (clipboard,
                                          G_CALLBACK (update_edit_menu),
                                          window);

    screen = gtk_widget_get_screen (GTK_WIDGET (object));
    if (screen)
    {
        g_signal_handlers_disconnect_by_func (screen,
                                              G_CALLBACK (terminal_window_window_manager_changed_cb),
                                              window);
    }

    G_OBJECT_CLASS (terminal_window_parent_class)->dispose (object);
}

static void
terminal_window_finalize (GObject *object)
{
    TerminalWindow *window = TERMINAL_WINDOW (object);
    TerminalWindowPrivate *priv = window->priv;

    g_object_unref (priv->ui_manager);

    if (priv->confirm_close_dialog)
        gtk_dialog_response (GTK_DIALOG (priv->confirm_close_dialog),
                             GTK_RESPONSE_DELETE_EVENT);

    if (priv->search_find_dialog)
        gtk_dialog_response (GTK_DIALOG (priv->search_find_dialog),
                             GTK_RESPONSE_DELETE_EVENT);

    G_OBJECT_CLASS (terminal_window_parent_class)->finalize (object);
}

static gboolean
terminal_window_delete_event (GtkWidget *widget,
                              GdkEvent *event,
                              gpointer data)
{
    return confirm_close_window_or_tab (TERMINAL_WINDOW (widget), NULL);
}

static gboolean
terminal_window_focus_in_event (GtkWidget *widget,
                                GdkEventFocus *event,
                                gpointer data)
{
  TerminalWindow *window = TERMINAL_WINDOW (widget);
  TerminalWindowPrivate *priv = window->priv;

  if (event->in)
    priv->focus_time = time(NULL);

  return FALSE;
}

static void
terminal_window_show (GtkWidget *widget)
{
    TerminalWindow *window = TERMINAL_WINDOW (widget);
    GtkAllocation widget_allocation;

    gtk_widget_get_allocation (widget, &widget_allocation);

    TerminalWindowPrivate *priv = window->priv;

    if (priv->active_screen != NULL)
    {
        terminal_window_update_copy_selection (priv->active_screen, window);
#if 0
        /* At this point, we have our GdkScreen, and hence the right
         * font size, so we can go ahead and size the window. */
        terminal_window_set_size (window, priv->active_screen, FALSE);
#endif
    }

    terminal_window_update_geometry (window);

    _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                           "[window %p] show, size %d : %d at (%d, %d)\n",
                           widget,
                           widget_allocation.width, widget_allocation.height,
                           widget_allocation.x, widget_allocation.y);

    GTK_WIDGET_CLASS (terminal_window_parent_class)->show (widget);
}

TerminalWindow*
terminal_window_new (void)
{
    return g_object_new (TERMINAL_TYPE_WINDOW, NULL);
}

/**
 * terminal_window_set_is_restored:
 * @window:
 *
 * Marks the window as restored from session.
 */
void
terminal_window_set_is_restored (TerminalWindow *window)
{
    g_return_if_fail (TERMINAL_IS_WINDOW (window));
    g_return_if_fail (!gtk_widget_get_mapped (GTK_WIDGET (window)));

    window->priv->clear_demands_attention = TRUE;
}

static void
profile_set_callback (TerminalScreen *screen,
                      TerminalProfile *old_profile,
                      TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (!gtk_widget_get_realized (GTK_WIDGET (window)))
        return;

    if (screen != priv->active_screen)
        return;

    terminal_window_update_set_profile_menu_active_profile (window);
}

static void
sync_screen_title (TerminalScreen *screen,
                   GParamSpec *psepc,
                   TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (screen != priv->active_screen)
        return;

    gtk_window_set_title (GTK_WINDOW (window), terminal_screen_get_title (screen));
}

static void
sync_screen_icon_title (TerminalScreen *screen,
                        GParamSpec *psepc,
                        TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (!gtk_widget_get_realized (GTK_WIDGET (window)))
        return;

    if (screen != priv->active_screen)
        return;

    if (!terminal_screen_get_icon_title_set (screen))
        return;

    gdk_window_set_icon_name (gtk_widget_get_window (GTK_WIDGET (window)), terminal_screen_get_icon_title (screen));

    priv->icon_title_set = TRUE;
}

static void
sync_screen_icon_title_set (TerminalScreen *screen,
                            GParamSpec *psepc,
                            TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (!gtk_widget_get_realized (GTK_WIDGET (window)))
        return;

    /* No need to restore the title if we never set an icon title */
    if (!priv->icon_title_set)
        return;

    if (screen != priv->active_screen)
        return;

    if (terminal_screen_get_icon_title_set (screen))
        return;

    /* Need to reset the icon name */
    /* FIXME: Once gtk+ bug 535557 is fixed, use that to unset the icon title. */

    g_object_set_qdata (G_OBJECT (gtk_widget_get_window (GTK_WIDGET (window))),
                        g_quark_from_static_string ("gdk-icon-name-set"),
                        GUINT_TO_POINTER (FALSE));
    priv->icon_title_set = FALSE;

    /* Re-setting the right title will be done by the notify::title handler which comes after this one */
}

/* Notebook callbacks */

static void
close_button_clicked_cb (GtkWidget *tab_label,
                         GtkWidget *screen_container)
{
    GtkWidget *toplevel;
    TerminalWindow *window;
    TerminalScreen *screen;

    toplevel = gtk_widget_get_toplevel (screen_container);
    if (!gtk_widget_is_toplevel (toplevel))
        return;

    if (!TERMINAL_IS_WINDOW (toplevel))
        return;

    window = TERMINAL_WINDOW (toplevel);

    screen = terminal_screen_container_get_screen (TERMINAL_SCREEN_CONTAINER (screen_container));
    if (confirm_close_window_or_tab (window, screen))
        return;

    terminal_window_remove_screen (window, screen);
}

void
terminal_window_add_screen (TerminalWindow *window,
                            TerminalScreen *screen,
                            int            position)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkWidget *old_window;
    GtkWidget *screen_container, *tab_label;

    old_window = gtk_widget_get_toplevel (GTK_WIDGET (screen));
    if (gtk_widget_is_toplevel (old_window) &&
            TERMINAL_IS_WINDOW (old_window) &&
            TERMINAL_WINDOW (old_window)== window)
        return;

    if (TERMINAL_IS_WINDOW (old_window))
        terminal_window_remove_screen (TERMINAL_WINDOW (old_window), screen);

    screen_container = terminal_screen_container_new (screen);
    gtk_widget_show (screen_container);

    update_tab_visibility (window, +1);

    tab_label = terminal_tab_label_new (screen);
    g_signal_connect (tab_label, "close-button-clicked",
                      G_CALLBACK (close_button_clicked_cb), screen_container);

    gtk_notebook_insert_page (GTK_NOTEBOOK (priv->notebook),
                              screen_container,
                              tab_label,
                              position);
    gtk_container_child_set (GTK_CONTAINER (priv->notebook),
                             screen_container,
                             "tab-expand", TRUE,
                             "tab-fill", TRUE,
                             NULL);
    gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (priv->notebook),
                                      screen_container,
                                      TRUE);
    gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (priv->notebook),
                                     screen_container,
                                     TRUE);
}

void
terminal_window_remove_screen (TerminalWindow *window,
                               TerminalScreen *screen)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalScreenContainer *screen_container;

    g_return_if_fail (gtk_widget_get_toplevel (GTK_WIDGET (screen)) == GTK_WIDGET (window));

    update_tab_visibility (window, -1);

    screen_container = terminal_screen_container_get_from_screen (screen);
    gtk_container_remove (GTK_CONTAINER (priv->notebook),
                          GTK_WIDGET (screen_container));
}

void
terminal_window_move_screen (TerminalWindow *source_window,
                             TerminalWindow *dest_window,
                             TerminalScreen *screen,
                             int dest_position)
{
    TerminalScreenContainer *screen_container;

    g_return_if_fail (TERMINAL_IS_WINDOW (source_window));
    g_return_if_fail (TERMINAL_IS_WINDOW (dest_window));
    g_return_if_fail (TERMINAL_IS_SCREEN (screen));
    g_return_if_fail (gtk_widget_get_toplevel (GTK_WIDGET (screen)) == GTK_WIDGET (source_window));
    g_return_if_fail (dest_position >= -1);

    screen_container = terminal_screen_container_get_from_screen (screen);
    g_assert (TERMINAL_IS_SCREEN_CONTAINER (screen_container));

    /* We have to ref the screen container as well as the screen,
     * because otherwise removing the screen container from the source
     * window's notebook will cause the container and its containing
     * screen to be gtk_widget_destroy()ed!
     */
    g_object_ref_sink (screen_container);
    g_object_ref_sink (screen);
    terminal_window_remove_screen (source_window, screen);

    /* Now we can safely remove the screen from the container and let the container die */
    gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (GTK_WIDGET (screen))), GTK_WIDGET (screen));
    g_object_unref (screen_container);

    terminal_window_add_screen (dest_window, screen, dest_position);
    g_object_unref (screen);
}

GList*
terminal_window_list_screen_containers (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    /* We are trusting that GtkNotebook will return pages in order */
    return gtk_container_get_children (GTK_CONTAINER (priv->notebook));
}

void
terminal_window_set_menubar_visible (TerminalWindow *window,
                                     gboolean        setting)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkAction *action;

    /* it's been set now, so don't override when adding a screen.
     * this side effect must happen before we short-circuit below.
     */
    priv->use_default_menubar_visibility = FALSE;

    if (setting == priv->menubar_visible)
        return;

    priv->menubar_visible = setting;

    action = gtk_action_group_get_action (priv->action_group, "ViewMenubar");
    gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), setting);

    g_object_set (priv->menubar, "visible", setting, NULL);

    /* FIXMEchpe: use gtk_widget_get_realized instead? */
    if (priv->active_screen)
    {
        _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                               "[window %p] setting size after toggling menubar visibility\n",
                               window);

        terminal_window_set_size (window, priv->active_screen, TRUE);
    }
}

gboolean
terminal_window_get_menubar_visible (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    return priv->menubar_visible;
}

GtkWidget *
terminal_window_get_notebook (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    g_return_val_if_fail (TERMINAL_IS_WINDOW (window), NULL);

    return GTK_WIDGET (priv->notebook);
}

void
terminal_window_set_size (TerminalWindow *window,
                          TerminalScreen *screen,
                          gboolean        even_if_mapped)
{
    terminal_window_set_size_force_grid (window, screen, even_if_mapped, -1, -1);
}

void
terminal_window_set_size_force_grid (TerminalWindow *window,
                                     TerminalScreen *screen,
                                     gboolean        even_if_mapped,
                                     int             force_grid_width,
                                     int             force_grid_height)
{
    GtkWidget *widget;
    GtkWidget *app;
    int grid_width;
    int grid_height;
#if !GTK_CHECK_VERSION (3, 0, 0)
    /* Owen's hack from gnome-terminal */
    GtkRequisition toplevel_request;
    GtkRequisition widget_request;
    int w, h;
    int char_width;
    int char_height;
    GtkBorder *inner_border = NULL;
#endif

    /* be sure our geometry is up-to-date */
    terminal_window_update_geometry (window);

    widget = GTK_WIDGET (screen);

    app = gtk_widget_get_toplevel (widget);
    g_assert (app != NULL);

#if GTK_CHECK_VERSION (3, 0, 0)
    terminal_screen_get_size (screen, &grid_width, &grid_height);

    if (force_grid_width >= 0)
        grid_width = force_grid_width;
    if (force_grid_height >= 0)
        grid_height = force_grid_height;
    if (even_if_mapped && gtk_widget_get_mapped (app))
        gtk_window_resize_to_geometry (GTK_WINDOW (app), grid_width, grid_height);
    else
        gtk_window_set_default_geometry (GTK_WINDOW (app), grid_width, grid_height);
#else
    gtk_widget_size_request (app, &toplevel_request);
    gtk_widget_size_request (widget, &widget_request);

    terminal_screen_get_cell_size (screen, &char_width, &char_height);
    terminal_screen_get_size (screen, &grid_width, &grid_height);

    _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                           "[window %p] set size: toplevel %dx%d widget %dx%d grid %dx%d char-cell %dx%d\n",
                           window,
                           toplevel_request.width, toplevel_request.height,
                           widget_request.width, widget_request.height,
                           grid_width, grid_height, char_width, char_height);

    w = toplevel_request.width - widget_request.width;
    h = toplevel_request.height - widget_request.height;

    if (force_grid_width >= 0)
        grid_width = force_grid_width;
    if (force_grid_height >= 0)
        grid_height = force_grid_height;

    gtk_widget_style_get (widget, "inner-border", &inner_border, NULL);
    w += (inner_border ? (inner_border->left + inner_border->right) : 0) + char_width * grid_width;
    h += (inner_border ? (inner_border->top + inner_border->bottom) : 0) + char_height * grid_height;
    gtk_border_free (inner_border);

    _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                           "[window %p] set size: grid %dx%d force %dx%d setting %dx%d pixels\n",
                           window,
                           grid_width, grid_height, force_grid_width, force_grid_height, w, h);

    if (even_if_mapped && gtk_widget_get_mapped (app))
    {
        gtk_window_resize (GTK_WINDOW (app), w, h);
    }
    else
    {
        gtk_window_set_default_size (GTK_WINDOW (app), w, h);
    }
#endif
}

void
terminal_window_switch_screen (TerminalWindow *window,
                               TerminalScreen *screen)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalScreenContainer *screen_container;
    int page_num;

    screen_container = terminal_screen_container_get_from_screen (screen);
    g_assert (TERMINAL_IS_SCREEN_CONTAINER (screen_container));
    page_num = gtk_notebook_page_num (GTK_NOTEBOOK (priv->notebook),
                                      GTK_WIDGET (screen_container));
    gtk_notebook_set_current_page (GTK_NOTEBOOK (priv->notebook), page_num);
}

TerminalScreen*
terminal_window_get_active (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    return priv->active_screen;
}

static gboolean
notebook_button_press_cb (GtkWidget *widget,
                          GdkEventButton *event,
                          TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkNotebook *notebook = GTK_NOTEBOOK (widget);
    GtkWidget *menu;
    GtkAction *action;
    int tab_clicked;

    if (event->type != GDK_BUTTON_PRESS ||
            event->button != 3 ||
            (event->state & gtk_accelerator_get_default_mod_mask ()) != 0)
        return FALSE;

    tab_clicked = find_tab_num_at_pos (notebook, event->x_root, event->y_root);
    if (tab_clicked < 0)
        return FALSE;

    /* switch to the page the mouse is over */
    gtk_notebook_set_current_page (notebook, tab_clicked);

    action = gtk_action_group_get_action (priv->action_group, "NotebookPopup");
    gtk_action_activate (action);

    menu = gtk_ui_manager_get_widget (priv->ui_manager, "/NotebookPopup");
    gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
                    NULL, NULL,
                    event->button, event->time);

    return TRUE;
}

static gboolean
notebook_popup_menu_cb (GtkWidget *widget,
                        TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkNotebook *notebook = GTK_NOTEBOOK (priv->notebook);
    GtkWidget *focus_widget, *tab, *tab_label, *menu;
    GtkAction *action;
    int page_num;

    focus_widget = gtk_window_get_focus (GTK_WINDOW (window));
    /* Only respond if the notebook is the actual focus */
    if (focus_widget != priv->notebook)
        return FALSE;

    page_num = gtk_notebook_get_current_page (notebook);
    tab = gtk_notebook_get_nth_page (notebook, page_num);
    tab_label = gtk_notebook_get_tab_label (notebook, tab);

    action = gtk_action_group_get_action (priv->action_group, "NotebookPopup");
    gtk_action_activate (action);

    menu = gtk_ui_manager_get_widget (priv->ui_manager, "/NotebookPopup");
    gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
                    position_menu_under_widget, tab_label,
                    0, gtk_get_current_event_time ());
    gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);

    return TRUE;
}

static void
notebook_page_selected_callback (GtkWidget       *notebook,
                                 GtkWidget       *page_widget,
                                 guint            page_num,
                                 TerminalWindow  *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkWidget *widget;
    TerminalScreen *screen;
    int old_grid_width, old_grid_height;

    _terminal_debug_print (TERMINAL_DEBUG_MDI,
                           "[window %p] MDI: page-selected %d\n",
                           window, page_num);

    if (priv->disposed)
        return;

    screen = terminal_screen_container_get_screen (TERMINAL_SCREEN_CONTAINER (page_widget));
    widget = GTK_WIDGET (screen);
    g_assert (screen != NULL);

    _terminal_debug_print (TERMINAL_DEBUG_MDI,
                           "[window %p] MDI: setting active tab to screen %p (old active screen %p)\n",
                           window, screen, priv->active_screen);

    if (priv->active_screen == screen)
        return;

    if (priv->active_screen != NULL)
    {
        terminal_screen_get_size (priv->active_screen, &old_grid_width, &old_grid_height);

        /* This is so that we maintain the same grid */
        vte_terminal_set_size (VTE_TERMINAL (screen), old_grid_width, old_grid_height);
    }

    /* Workaround to remove gtknotebook's feature of computing its size based on
     * all pages. When the widget is hidden, its size will not be taken into
     * account.
     */
    if (priv->active_screen)
        gtk_widget_hide (GTK_WIDGET (priv->active_screen)); /* FIXME */

    /* Make sure that the widget is no longer hidden due to the workaround */
    gtk_widget_show (widget);

    priv->active_screen = screen;

    /* Override menubar setting if it wasn't restored from session */
    if (priv->use_default_menubar_visibility)
    {
        gboolean setting =
            terminal_profile_get_property_boolean (terminal_screen_get_profile (screen), TERMINAL_PROFILE_DEFAULT_SHOW_MENUBAR);

        terminal_window_set_menubar_visible (window, setting);
    }

    sync_screen_icon_title_set (screen, NULL, window);
    sync_screen_icon_title (screen, NULL, window);
    sync_screen_title (screen, NULL, window);

    /* set size of window to current grid size */
    _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                           "[window %p] setting size after flipping notebook pages\n",
                           window);
    terminal_window_set_size (window, screen, TRUE);

    terminal_window_update_tabs_menu_sensitivity (window);
    terminal_window_update_encoding_menu_active_encoding (window);
    terminal_window_update_set_profile_menu_active_profile (window);
    terminal_window_update_copy_sensitivity (screen, window);
    terminal_window_update_zoom_sensitivity (window);
    terminal_window_update_search_sensitivity (screen, window);
}

static void
notebook_page_added_callback (GtkWidget       *notebook,
                              GtkWidget       *container,
                              guint            page_num,
                              TerminalWindow  *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalScreen *screen;

    screen = terminal_screen_container_get_screen (TERMINAL_SCREEN_CONTAINER (container));

    _terminal_debug_print (TERMINAL_DEBUG_MDI,
                           "[window %p] MDI: screen %p inserted\n",
                           window, screen);

    g_signal_connect (G_OBJECT (screen),
                      "profile-set",
                      G_CALLBACK (profile_set_callback),
                      window);

    /* FIXME: only connect on the active screen, not all screens! */
    g_signal_connect (screen, "notify::title",
                      G_CALLBACK (sync_screen_title), window);
    g_signal_connect (screen, "notify::icon-title",
                      G_CALLBACK (sync_screen_icon_title), window);
    g_signal_connect (screen, "notify::icon-title-set",
                      G_CALLBACK (sync_screen_icon_title_set), window);
    g_signal_connect (screen, "selection-changed",
                      G_CALLBACK (terminal_window_update_copy_sensitivity), window);

    g_signal_connect (screen, "show-popup-menu",
                      G_CALLBACK (screen_show_popup_menu_callback), window);
    g_signal_connect (screen, "match-clicked",
                      G_CALLBACK (screen_match_clicked_cb), window);
    g_signal_connect (screen, "resize-window",
                      G_CALLBACK (screen_resize_window_cb), window);

    g_signal_connect (screen, "close-screen",
                      G_CALLBACK (screen_close_cb), window);

    update_tab_visibility (window, 0);
    terminal_window_update_tabs_menu_sensitivity (window);
    terminal_window_update_search_sensitivity (screen, window);

#if 0
    /* FIXMEchpe: wtf is this doing? */

    /* If we have an active screen, match its size and zoom */
    if (priv->active_screen)
    {
        int current_width, current_height;
        double scale;

        terminal_screen_get_size (priv->active_screen, &current_width, &current_height);
        vte_terminal_set_size (VTE_TERMINAL (screen), current_width, current_height);

        scale = terminal_screen_get_font_scale (priv->active_screen);
        terminal_screen_set_font_scale (screen, scale);
    }
#endif

    if (priv->present_on_insert)
    {
        gtk_window_present_with_time (GTK_WINDOW (window), gtk_get_current_event_time ());
        priv->present_on_insert = FALSE;
    }
}

static void
notebook_page_removed_callback (GtkWidget       *notebook,
                                GtkWidget       *container,
                                guint            page_num,
                                TerminalWindow  *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalScreen *screen;
    int pages;

    if (priv->disposed)
        return;

    screen = terminal_screen_container_get_screen (TERMINAL_SCREEN_CONTAINER (container));

    _terminal_debug_print (TERMINAL_DEBUG_MDI,
                           "[window %p] MDI: screen %p removed\n",
                           window, screen);

    g_signal_handlers_disconnect_by_func (G_OBJECT (screen),
                                          G_CALLBACK (profile_set_callback),
                                          window);

    g_signal_handlers_disconnect_by_func (G_OBJECT (screen),
                                          G_CALLBACK (sync_screen_title),
                                          window);

    g_signal_handlers_disconnect_by_func (G_OBJECT (screen),
                                          G_CALLBACK (sync_screen_icon_title),
                                          window);

    g_signal_handlers_disconnect_by_func (G_OBJECT (screen),
                                          G_CALLBACK (sync_screen_icon_title_set),
                                          window);

    g_signal_handlers_disconnect_by_func (G_OBJECT (screen),
                                          G_CALLBACK (terminal_window_update_copy_sensitivity),
                                          window);

    g_signal_handlers_disconnect_by_func (screen,
                                          G_CALLBACK (screen_show_popup_menu_callback),
                                          window);

    g_signal_handlers_disconnect_by_func (screen,
                                          G_CALLBACK (screen_match_clicked_cb),
                                          window);
    g_signal_handlers_disconnect_by_func (screen,
                                          G_CALLBACK (screen_resize_window_cb),
                                          window);

    g_signal_handlers_disconnect_by_func (screen,
                                          G_CALLBACK (screen_close_cb),
                                          window);

    terminal_window_update_tabs_menu_sensitivity (window);
    update_tab_visibility (window, 0);
    terminal_window_update_search_sensitivity (screen, window);

    pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook));
    if (pages == 1)
    {
        terminal_window_set_size (window, priv->active_screen, TRUE);
    }
    else if (pages == 0)
    {
        gtk_widget_destroy (GTK_WIDGET (window));
    }
}

void
terminal_window_update_copy_selection (TerminalScreen *screen,
        TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    priv->copy_selection =
        terminal_profile_get_property_boolean (terminal_screen_get_profile (screen),
            TERMINAL_PROFILE_COPY_SELECTION);
}

void
terminal_window_update_geometry (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkWidget *widget;
    GdkGeometry hints;
#if GTK_CHECK_VERSION (3, 0, 0)
    GtkBorder padding;
#else
    GtkBorder *inner_border = NULL;
#endif
    GtkRequisition toplevel_request, widget_request;
    int base_width, base_height;
    int char_width, char_height;

    if (priv->active_screen == NULL)
        return;

    widget = GTK_WIDGET (priv->active_screen);

    /* We set geometry hints from the active term; best thing
     * I can think of to do. Other option would be to try to
     * get some kind of union of all hints from all terms in the
     * window, but that doesn't make too much sense.
     */
    terminal_screen_get_cell_size (priv->active_screen, &char_width, &char_height);

    if (char_width != priv->old_char_width ||
            char_height != priv->old_char_height ||
            widget != (GtkWidget*) priv->old_geometry_widget)
    {
        /* FIXME Since we're using xthickness/ythickness to compute
         * padding we need to change the hints when the theme changes.
         */

#if GTK_CHECK_VERSION (3, 0, 0)
        gtk_widget_get_preferred_size (GTK_WIDGET (window), NULL, &toplevel_request);
        gtk_widget_get_preferred_size (widget, NULL, &widget_request);
#else
        gtk_widget_size_request (GTK_WIDGET (window), &toplevel_request);
        gtk_widget_size_request (widget, &widget_request);
#endif

        base_width = toplevel_request.width - widget_request.width;
        base_height = toplevel_request.height - widget_request.height;

#if GTK_CHECK_VERSION (3, 0, 0)
        gtk_style_context_get_padding (gtk_widget_get_style_context (widget),
                                       gtk_widget_get_state_flags (widget),
                                       &padding);

        hints.base_width = base_width + padding.left + padding.right;
        hints.base_height = base_height + padding.top + padding.bottom;
#else
        gtk_widget_style_get (widget, "inner-border", &inner_border, NULL);

        hints.base_width = base_width + (inner_border ? (inner_border->left + inner_border->right) : 0);
        hints.base_height = base_height + (inner_border ? (inner_border->top + inner_border->bottom) : 0);

        gtk_border_free (inner_border);
        inner_border = NULL;
#endif

#define MIN_WIDTH_CHARS 4
#define MIN_HEIGHT_CHARS 1

        hints.width_inc = char_width;
        hints.height_inc = char_height;

        /* min size is min size of the whole window, remember. */
        hints.min_width = hints.base_width + hints.width_inc * MIN_WIDTH_CHARS;
        hints.min_height = hints.base_height + hints.height_inc * MIN_HEIGHT_CHARS;

        gtk_window_set_geometry_hints (GTK_WINDOW (window),
                                       NULL,
                                       &hints,
                                       GDK_HINT_RESIZE_INC |
                                       GDK_HINT_MIN_SIZE |
                                       GDK_HINT_BASE_SIZE);

        _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                               "[window %p] hints: base %dx%d min %dx%d inc %d %d\n",
                               window,
                               hints.base_width,
                               hints.base_height,
                               hints.min_width,
                               hints.min_height,
                               hints.width_inc,
                               hints.height_inc);

        priv->old_char_width = hints.width_inc;
        priv->old_char_height = hints.height_inc;
        priv->old_geometry_widget = widget;
    }
    else
    {
        _terminal_debug_print (TERMINAL_DEBUG_GEOMETRY,
                               "[window %p] hints: increment unchanged, not setting\n",
                               window);
    }
}

static void
file_new_window_callback (GtkAction *action,
                          TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalApp *app;
    TerminalWindow *new_window;
    TerminalProfile *profile;
    char *new_working_directory;

    app = terminal_app_get ();

    profile = g_object_get_data (G_OBJECT (action), PROFILE_DATA_KEY);
    if (!profile)
        profile = terminal_screen_get_profile (priv->active_screen);
    if (!profile)
        profile = terminal_app_get_profile_for_new_term (app);
    if (!profile)
        return;

    if (_terminal_profile_get_forgotten (profile))
        return;

    new_window = terminal_app_new_window (app, gtk_widget_get_screen (GTK_WIDGET (window)));

    new_working_directory = terminal_screen_get_current_dir_with_fallback (priv->active_screen);
    terminal_app_new_terminal (app, new_window, profile,
                               NULL, NULL,
                               new_working_directory,
                               terminal_screen_get_initial_environment (priv->active_screen),
                               1.0);
    g_free (new_working_directory);

    gtk_window_present (GTK_WINDOW (new_window));
}

static void
file_new_tab_callback (GtkAction *action,
                       TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalApp *app;
    TerminalProfile *profile;
    char *new_working_directory;

    app = terminal_app_get ();
    profile = g_object_get_data (G_OBJECT (action), PROFILE_DATA_KEY);
    if (!profile)
        profile = terminal_screen_get_profile (priv->active_screen);
    if (!profile)
        profile = terminal_app_get_profile_for_new_term (app);
    if (!profile)
        return;

    if (_terminal_profile_get_forgotten (profile))
        return;

    new_working_directory = terminal_screen_get_current_dir_with_fallback (priv->active_screen);
    terminal_app_new_terminal (app, window, profile,
                               NULL, NULL,
                               new_working_directory,
                               terminal_screen_get_initial_environment (priv->active_screen),
                               1.0);
    g_free (new_working_directory);
}

static void
confirm_close_response_cb (GtkWidget *dialog,
                           int response,
                           TerminalWindow *window)
{
    TerminalScreen *screen;

    screen = g_object_get_data (G_OBJECT (dialog), "close-screen");

    gtk_widget_destroy (dialog);

    if (response != GTK_RESPONSE_ACCEPT)
        return;

    if (screen)
        terminal_window_remove_screen (window, screen);
    else
        gtk_widget_destroy (GTK_WIDGET (window));
}

/* Returns: TRUE if closing needs to wait until user confirmation;
 * FALSE if the terminal or window can close immediately.
 */
static gboolean
confirm_close_window_or_tab (TerminalWindow *window,
                             TerminalScreen *screen)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkWidget *dialog;
    GSettings *settings;
    gboolean do_confirm;
    int n_tabs;

    if (priv->confirm_close_dialog)
    {
        /* WTF, already have one? It's modal, so how did that happen? */
        gtk_dialog_response (GTK_DIALOG (priv->confirm_close_dialog),
                             GTK_RESPONSE_DELETE_EVENT);
    }

    settings = g_settings_new (CONF_GLOBAL_SCHEMA);
    do_confirm = g_settings_get_boolean (settings, "confirm-window-close");
    g_object_unref (settings);
    if (!do_confirm)
        return FALSE;

    if (screen)
    {
        do_confirm = terminal_screen_has_foreground_process (screen);
        n_tabs = 1;
    }
    else
    {
        GList *tabs, *t;

        do_confirm = FALSE;

        tabs = terminal_window_list_screen_containers (window);
        n_tabs = g_list_length (tabs);

        for (t = tabs; t != NULL; t = t->next)
        {
            TerminalScreen *terminal_screen;

            terminal_screen = terminal_screen_container_get_screen (TERMINAL_SCREEN_CONTAINER (t->data));
            if (terminal_screen_has_foreground_process (terminal_screen))
            {
                do_confirm = TRUE;
                break;
            }
        }
        g_list_free (tabs);
    }

    if (!do_confirm)
        return FALSE;

    dialog = priv->confirm_close_dialog =
                 gtk_message_dialog_new (GTK_WINDOW (window),
                                         GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
                                         GTK_MESSAGE_WARNING,
                                         GTK_BUTTONS_CANCEL,
                                         "%s", n_tabs > 1 ? _("Close this window?") : _("Close this terminal?"));

    if (n_tabs > 1)
        gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
                "%s", _("There are still processes running in some terminals in this window. "
                        "Closing the window will kill all of them."));
    else
        gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
                "%s", _("There is still a process running in this terminal. "
                        "Closing the terminal will kill it."));

    gtk_window_set_title (GTK_WINDOW (dialog), "");

    gtk_dialog_add_button (GTK_DIALOG (dialog), n_tabs > 1 ? _("C_lose Window") : _("C_lose Terminal"), GTK_RESPONSE_ACCEPT);
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);

    gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
            GTK_RESPONSE_ACCEPT,
            GTK_RESPONSE_CANCEL,
            -1);

    g_object_set_data (G_OBJECT (dialog), "close-screen", screen);

    g_signal_connect (dialog, "destroy",
                      G_CALLBACK (gtk_widget_destroyed), &priv->confirm_close_dialog);
    g_signal_connect (dialog, "response",
                      G_CALLBACK (confirm_close_response_cb), window);

    gtk_window_present (GTK_WINDOW (dialog));

    return TRUE;
}

static void
file_close_window_callback (GtkAction *action,
                            TerminalWindow *window)
{
    if (confirm_close_window_or_tab (window, NULL))
        return;

    gtk_widget_destroy (GTK_WIDGET (window));
}

#ifdef ENABLE_SAVE
static void
save_contents_dialog_on_response (GtkDialog *dialog, gint response_id, gpointer terminal)
{
    GtkWindow *parent;
    gchar *filename_uri = NULL;
    GFile *file;
    GOutputStream *stream;
    GError *error = NULL;

    if (response_id != GTK_RESPONSE_ACCEPT)
    {
        gtk_widget_destroy (GTK_WIDGET (dialog));
        return;
    }

    parent = (GtkWindow*) gtk_widget_get_ancestor (GTK_WIDGET (terminal), GTK_TYPE_WINDOW);
    filename_uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));

    gtk_widget_destroy (GTK_WIDGET (dialog));

    if (filename_uri == NULL)
        return;

    file = g_file_new_for_uri (filename_uri);
    stream = G_OUTPUT_STREAM (g_file_replace (file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, &error));

    if (stream)
    {
        /* XXX
         * FIXME
         * This is a sync operation.
         * Should be replaced with the async version when vte implements that.
         */
#if VTE_CHECK_VERSION (0, 38, 0)
        vte_terminal_write_contents_sync (terminal, stream,
                                          VTE_WRITE_DEFAULT,
                                          NULL, &error);
#else
        vte_terminal_write_contents (terminal, stream,
                                     VTE_TERMINAL_WRITE_DEFAULT,
                                     NULL, &error);
#endif
        g_object_unref (stream);
    }

    if (error)
    {
        terminal_util_show_error_dialog (parent, NULL, error,
                                         "%s", _("Could not save contents"));
        g_error_free (error);
    }

    g_object_unref(file);
    g_free(filename_uri);
}
#endif /* ENABLE_SAVE */

static void
file_save_contents_callback (GtkAction *action,
                             TerminalWindow *window)
{
#ifdef ENABLE_SAVE
    GtkWidget *dialog = NULL;
    TerminalWindowPrivate *priv = window->priv;
    VteTerminal *terminal;

    if (!priv->active_screen)
        return;

    terminal = VTE_TERMINAL (priv->active_screen);
    g_return_if_fail (VTE_IS_TERMINAL (terminal));

    dialog = gtk_file_chooser_dialog_new (_("Save as..."),
                                          GTK_WINDOW(window),
                                          GTK_FILE_CHOOSER_ACTION_SAVE,
                                          GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                                          GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
                                          NULL);

    gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog), TRUE);
    /* XXX where should we save to? */
    gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog), g_get_user_special_dir (G_USER_DIRECTORY_DESKTOP));

    gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW(window));
    gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
    gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);

    g_signal_connect (dialog, "response", G_CALLBACK (save_contents_dialog_on_response), terminal);
    g_signal_connect (dialog, "delete_event", G_CALLBACK (terminal_util_dialog_response_on_delete), NULL);

    gtk_window_present (GTK_WINDOW (dialog));
#endif /* ENABLE_SAVE */
}

static void
file_close_tab_callback (GtkAction *action,
                         TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalScreen *active_screen = priv->active_screen;

    if (!active_screen)
        return;

    if (confirm_close_window_or_tab (window, active_screen))
        return;

    terminal_window_remove_screen (window, active_screen);
}

static void
edit_copy_callback (GtkAction *action,
                    TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (!priv->active_screen)
        return;

    vte_terminal_copy_clipboard (VTE_TERMINAL (priv->active_screen));
}

typedef struct
{
    TerminalScreen *screen;
    gboolean uris_as_paths;
} PasteData;

static void
clipboard_uris_received_cb (GtkClipboard *clipboard,
                            /* const */ char **uris,
                            PasteData *data)
{
    char *text;
    gsize len;

    if (!uris)
    {
        g_object_unref (data->screen);
        g_slice_free (PasteData, data);
        return;
    }

    /* This potentially modifies the strings in |uris| but that's ok */
    if (data->uris_as_paths)
        terminal_util_transform_uris_to_quoted_fuse_paths (uris);

    text = terminal_util_concat_uris (uris, &len);
    vte_terminal_feed_child (VTE_TERMINAL (data->screen), text, len);
    g_free (text);

    g_object_unref (data->screen);
    g_slice_free (PasteData, data);
}

static void
clipboard_targets_received_cb (GtkClipboard *clipboard,
                               GdkAtom *targets,
                               int n_targets,
                               PasteData *data)
{
    if (!targets)
    {
        g_object_unref (data->screen);
        g_slice_free (PasteData, data);
        return;
    }

    if (gtk_targets_include_uri (targets, n_targets))
    {
        gtk_clipboard_request_uris (clipboard,
                                    (GtkClipboardURIReceivedFunc) clipboard_uris_received_cb,
                                    data);
        return;
    }
    else /* if (gtk_targets_include_text (targets, n_targets)) */
    {
        vte_terminal_paste_clipboard (VTE_TERMINAL (data->screen));
    }

    g_object_unref (data->screen);
    g_slice_free (PasteData, data);
}

static void
edit_paste_callback (GtkAction *action,
                     TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkClipboard *clipboard;
    PasteData *data;
    const char *name;

    if (!priv->active_screen)
        return;

    clipboard = gtk_widget_get_clipboard (GTK_WIDGET (window), GDK_SELECTION_CLIPBOARD);
    name = gtk_action_get_name (action);

    data = g_slice_new (PasteData);
    data->screen = g_object_ref (priv->active_screen);
    data->uris_as_paths = (name == I_("EditPasteURIPaths") || name == I_("PopupPasteURIPaths"));

    gtk_clipboard_request_targets (clipboard,
                                   (GtkClipboardTargetsReceivedFunc) clipboard_targets_received_cb,
                                   data);
}

static void
edit_select_all_callback (GtkAction *action,
                          TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (!priv->active_screen)
        return;

    vte_terminal_select_all (VTE_TERMINAL (priv->active_screen));
}

static void
edit_keybindings_callback (GtkAction *action,
                           TerminalWindow *window)
{
    terminal_app_edit_keybindings (terminal_app_get (),
                                   GTK_WINDOW (window));
}

static void
edit_current_profile_callback (GtkAction *action,
                               TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    terminal_app_edit_profile (terminal_app_get (),
                               terminal_screen_get_profile (priv->active_screen),
                               GTK_WINDOW (window),
                               NULL);
}

static void
file_new_profile_callback (GtkAction *action,
                           TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    terminal_app_new_profile (terminal_app_get (),
                              terminal_screen_get_profile (priv->active_screen),
                              GTK_WINDOW (window));
}

static void
edit_profiles_callback (GtkAction *action,
                        TerminalWindow *window)
{
    terminal_app_manage_profiles (terminal_app_get (),
                                  GTK_WINDOW (window));
}

static void
view_menubar_toggled_callback (GtkToggleAction *action,
                               TerminalWindow *window)
{
    terminal_window_set_menubar_visible (window, gtk_toggle_action_get_active (action));
}

static void
view_fullscreen_toggled_callback (GtkToggleAction *action,
                                  TerminalWindow *window)
{
    g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (window)));

    if (gtk_toggle_action_get_active (action))
        gtk_window_fullscreen (GTK_WINDOW (window));
    else
        gtk_window_unfullscreen (GTK_WINDOW (window));
}

static const double zoom_factors[] =
{
    TERMINAL_SCALE_MINIMUM,
    TERMINAL_SCALE_XXXXX_SMALL,
    TERMINAL_SCALE_XXXX_SMALL,
    TERMINAL_SCALE_XXX_SMALL,
    PANGO_SCALE_XX_SMALL,
    PANGO_SCALE_X_SMALL,
    PANGO_SCALE_SMALL,
    PANGO_SCALE_MEDIUM,
    PANGO_SCALE_LARGE,
    PANGO_SCALE_X_LARGE,
    PANGO_SCALE_XX_LARGE,
    TERMINAL_SCALE_XXX_LARGE,
    TERMINAL_SCALE_XXXX_LARGE,
    TERMINAL_SCALE_XXXXX_LARGE,
    TERMINAL_SCALE_MAXIMUM
};

static gboolean
find_larger_zoom_factor (double  current,
                         double *found)
{
    guint i;

    for (i = 0; i < G_N_ELEMENTS (zoom_factors); ++i)
    {
        /* Find a font that's larger than this one */
        if ((zoom_factors[i] - current) > 1e-6)
        {
            *found = zoom_factors[i];
            return TRUE;
        }
    }

    return FALSE;
}

static gboolean
find_smaller_zoom_factor (double  current,
                          double *found)
{
    int i;

    i = (int) G_N_ELEMENTS (zoom_factors) - 1;
    while (i >= 0)
    {
        /* Find a font that's smaller than this one */
        if ((current - zoom_factors[i]) > 1e-6)
        {
            *found = zoom_factors[i];
            return TRUE;
        }

        --i;
    }

    return FALSE;
}

static void
view_zoom_in_callback (GtkAction *action,
                       TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    double current;

    if (priv->active_screen == NULL)
        return;

    current = terminal_screen_get_font_scale (priv->active_screen);
    if (!find_larger_zoom_factor (current, &current))
        return;

    terminal_screen_set_font_scale (priv->active_screen, current);
    terminal_window_update_zoom_sensitivity (window);
}

static void
view_zoom_out_callback (GtkAction *action,
                        TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    double current;

    if (priv->active_screen == NULL)
        return;

    current = terminal_screen_get_font_scale (priv->active_screen);
    if (!find_smaller_zoom_factor (current, &current))
        return;

    terminal_screen_set_font_scale (priv->active_screen, current);
    terminal_window_update_zoom_sensitivity (window);
}

static void
view_zoom_normal_callback (GtkAction *action,
                           TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (priv->active_screen == NULL)
        return;

    terminal_screen_set_font_scale (priv->active_screen, PANGO_SCALE_MEDIUM);
    terminal_window_update_zoom_sensitivity (window);
}


static void
search_find_response_callback (GtkWidget *dialog,
                               int        response,
                               gpointer   user_data)
{
    TerminalWindow *window = TERMINAL_WINDOW (user_data);
    TerminalWindowPrivate *priv = window->priv;
    TerminalSearchFlags flags;
    GRegex *regex;

    if (response != GTK_RESPONSE_ACCEPT)
        return;

    if (G_UNLIKELY (!priv->active_screen))
        return;

    regex = terminal_search_dialog_get_regex (dialog);
    g_return_if_fail (regex != NULL);

    flags = terminal_search_dialog_get_search_flags (dialog);

#if VTE_CHECK_VERSION (0, 38, 0)
    vte_terminal_search_set_gregex (VTE_TERMINAL (priv->active_screen), regex, 0);
#else
    vte_terminal_search_set_gregex (VTE_TERMINAL (priv->active_screen), regex);
#endif
    vte_terminal_search_set_wrap_around (VTE_TERMINAL (priv->active_screen),
                                         (flags & TERMINAL_SEARCH_FLAG_WRAP_AROUND));

    if (flags & TERMINAL_SEARCH_FLAG_BACKWARDS)
        vte_terminal_search_find_previous (VTE_TERMINAL (priv->active_screen));
    else
        vte_terminal_search_find_next (VTE_TERMINAL (priv->active_screen));

    terminal_window_update_search_sensitivity (priv->active_screen, window);
}

static gboolean
search_dialog_delete_event_cb (GtkWidget   *widget,
                               GdkEventAny *event,
                               gpointer     user_data)
{
    /* prevent destruction */
    return TRUE;
}

static void
search_find_callback (GtkAction *action,
                      TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (!priv->search_find_dialog)
    {
        GtkWidget *dialog;

        dialog = priv->search_find_dialog = terminal_search_dialog_new (GTK_WINDOW (window));

        g_signal_connect (dialog, "destroy",
                          G_CALLBACK (gtk_widget_destroyed), &priv->search_find_dialog);
        g_signal_connect (dialog, "response",
                          G_CALLBACK (search_find_response_callback), window);
        g_signal_connect (dialog, "delete-event",
                          G_CALLBACK (search_dialog_delete_event_cb), NULL);
    }

    terminal_search_dialog_present (priv->search_find_dialog);
}

static void
search_find_next_callback (GtkAction *action,
                           TerminalWindow *window)
{
    if (G_UNLIKELY (!window->priv->active_screen))
        return;

    vte_terminal_search_find_next (VTE_TERMINAL (window->priv->active_screen));
}

static void
search_find_prev_callback (GtkAction *action,
                           TerminalWindow *window)
{
    if (G_UNLIKELY (!window->priv->active_screen))
        return;

    vte_terminal_search_find_previous (VTE_TERMINAL (window->priv->active_screen));
}

static void
search_clear_highlight_callback (GtkAction *action,
                                 TerminalWindow *window)
{
    if (G_UNLIKELY (!window->priv->active_screen))
        return;

#if VTE_CHECK_VERSION (0, 38, 0)
    vte_terminal_search_set_gregex (VTE_TERMINAL (window->priv->active_screen), NULL, 0);
#else
    vte_terminal_search_set_gregex (VTE_TERMINAL (window->priv->active_screen), NULL);
#endif
}

static void
terminal_next_or_previous_profile_cb (GtkAction *action,
                              TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalProfile *active_profile, *new_profile = NULL;
    GList *profiles, *p;

    const char *name;
    guint backwards = 0;

    name = gtk_action_get_name (action);
    if (strcmp (name, "ProfilePrevious") == 0)
    {
        backwards = 1;
    }

    profiles = terminal_app_get_profile_list (terminal_app_get ());
    if (profiles == NULL)
        return;

    if (priv->active_screen)
        active_profile = terminal_screen_get_profile (priv->active_screen);
    else
        return;

    for (p = profiles; p != NULL; p = p->next)
    {
        TerminalProfile *profile = (TerminalProfile *) p->data;
        if (profile == active_profile)
        {
            if (backwards) {
                p = p->prev;
                if (p == NULL)
                    p = g_list_last (profiles);
                new_profile = p->data;
                break;
            }
            else
            {
                p = p->next;
                if (p == NULL)
                    p = g_list_first (profiles);
                new_profile = p->data;
                break;
            }
        }
    }

    if (new_profile)
        terminal_screen_set_profile (priv->active_screen, new_profile);

    g_list_free (profiles);
}

static void
terminal_set_title_dialog_response_cb (GtkWidget *dialog,
                                       int response,
                                       TerminalScreen *screen)
{
    if (response == GTK_RESPONSE_OK)
    {
        GtkEntry *entry;
        const char *text;

        entry = GTK_ENTRY (g_object_get_data (G_OBJECT (dialog), "title-entry"));
        text = gtk_entry_get_text (entry);
        terminal_screen_set_user_title (screen, text);
    }

    gtk_widget_destroy (dialog);
}

static void
terminal_set_title_callback (GtkAction *action,
                             TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkWidget *dialog, *message_area, *hbox, *label, *entry;

    if (priv->active_screen == NULL)
        return;

    /* FIXME: hook the screen up so this dialogue closes if the terminal screen closes */

    dialog = gtk_message_dialog_new (GTK_WINDOW (window),
                                     GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
                                     GTK_MESSAGE_OTHER,
                                     GTK_BUTTONS_OK_CANCEL,
                                     "%s", "");

    gtk_window_set_title (GTK_WINDOW (dialog), _("Set Title"));
    gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
    gtk_window_set_role (GTK_WINDOW (dialog), "mate-terminal-change-title");
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
    /* Alternative button order was set automatically by GtkMessageDialog */

    g_signal_connect (dialog, "response",
                      G_CALLBACK (terminal_set_title_dialog_response_cb), priv->active_screen);
    g_signal_connect (dialog, "delete-event",
                      G_CALLBACK (terminal_util_dialog_response_on_delete), NULL);

    message_area = gtk_message_dialog_get_message_area (GTK_MESSAGE_DIALOG (dialog));
    gtk_container_foreach (GTK_CONTAINER (message_area), (GtkCallback) gtk_widget_hide, NULL);

#if GTK_CHECK_VERSION (3, 0, 0)
    hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
#else
    hbox = gtk_hbox_new (FALSE, 12);
#endif
    gtk_box_pack_start (GTK_BOX (message_area), hbox, FALSE, FALSE, 0);

    label = gtk_label_new_with_mnemonic (_("_Title:"));
#if GTK_CHECK_VERSION (3, 16, 0)
    gtk_label_set_xalign (GTK_LABEL (label), 0.0);
    gtk_label_set_yalign (GTK_LABEL (label), 0.5);
#else
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
#endif
    gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

    entry = gtk_entry_new ();
    gtk_entry_set_width_chars (GTK_ENTRY (entry), 32);
    gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), entry);
    gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
    gtk_widget_show_all (hbox);

    gtk_widget_grab_focus (entry);
    gtk_entry_set_text (GTK_ENTRY (entry), terminal_screen_get_raw_title (priv->active_screen));
    gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
    g_object_set_data (G_OBJECT (dialog), "title-entry", entry);

    gtk_window_present (GTK_WINDOW (dialog));
}

static void
terminal_add_encoding_callback (GtkAction *action,
                                TerminalWindow *window)
{
    terminal_app_edit_encodings (terminal_app_get (),
                                 GTK_WINDOW (window));
}

static void
terminal_reset_callback (GtkAction *action,
                         TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (priv->active_screen == NULL)
        return;

    vte_terminal_reset (VTE_TERMINAL (priv->active_screen), TRUE, FALSE);
}

static void
terminal_reset_clear_callback (GtkAction *action,
                               TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    if (priv->active_screen == NULL)
        return;

    vte_terminal_reset (VTE_TERMINAL (priv->active_screen), TRUE, TRUE);
}

static void
tabs_next_or_previous_tab_cb (GtkAction *action,
                              TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkNotebookClass *klass;
    const char *name;
    guint keyval = 0;

    name = gtk_action_get_name (action);
    if (strcmp (name, "TabsNext") == 0)
    {
        keyval = GDK_KEY_Page_Down;
    }
    else if (strcmp (name, "TabsPrevious") == 0)
    {
        keyval = GDK_KEY_Page_Up;
    }

    klass = GTK_NOTEBOOK_GET_CLASS (GTK_NOTEBOOK (priv->notebook));
    gtk_binding_set_activate (gtk_binding_set_by_class (klass),
                              keyval,
                              GDK_CONTROL_MASK,
                              G_OBJECT (priv->notebook));
}

static void
tabs_move_left_callback (GtkAction *action,
                         TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkNotebook *notebook = GTK_NOTEBOOK (priv->notebook);
    gint page_num,last_page;
    GtkWidget *page;

    page_num = gtk_notebook_get_current_page (notebook);
    last_page = gtk_notebook_get_n_pages (notebook) - 1;
    page = gtk_notebook_get_nth_page (notebook, page_num);

    gtk_notebook_reorder_child (notebook, page, page_num == 0 ? last_page : page_num - 1);
}

static void
tabs_move_right_callback (GtkAction *action,
                          TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    GtkNotebook *notebook = GTK_NOTEBOOK (priv->notebook);
    gint page_num,last_page;
    GtkWidget *page;

    page_num = gtk_notebook_get_current_page (notebook);
    last_page = gtk_notebook_get_n_pages (notebook) - 1;
    page = gtk_notebook_get_nth_page (notebook, page_num);

    gtk_notebook_reorder_child (notebook, page, page_num == last_page ? 0 : page_num + 1);
}

static void
tabs_detach_tab_callback (GtkAction *action,
                          TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;
    TerminalApp *app;
    TerminalWindow *new_window;
    TerminalScreen *screen;
    char *geometry;
    int width, height;

    app = terminal_app_get ();

    screen = priv->active_screen;

    /* FIXME: this seems wrong if tabs are shown in the window */
    terminal_screen_get_size (screen, &width, &height);
    geometry = g_strdup_printf ("%dx%d", width, height);

    new_window = terminal_app_new_window (app, gtk_widget_get_screen (GTK_WIDGET (window)));

    terminal_window_move_screen (window, new_window, screen, -1);

    gtk_window_parse_geometry (GTK_WINDOW (new_window), geometry);
    g_free (geometry);

    gtk_window_present_with_time (GTK_WINDOW (new_window), gtk_get_current_event_time ());
}

static void
help_contents_callback (GtkAction *action,
                        TerminalWindow *window)
{
    terminal_util_show_help (NULL, GTK_WINDOW (window));
}

#define ABOUT_GROUP "About"
#define EMAILIFY(string) (g_strdelimit ((string), "%", '@'))

static void
help_about_callback (GtkAction *action,
                     TerminalWindow *window)
{
    static const char copyright[] =
        "Copyright © 2002–2004 Havoc Pennington\n"
        "Copyright © 2003–2004, 2007 Mariano Suárez-Alvarez\n"
        "Copyright © 2006 Guilherme de S. Pastore\n"
        "Copyright © 2007–2010 Christian Persch\n"
        "Copyright © 2011 Perberos\n"
        "Copyright © 2012-2014 MATE developers";
    char *licence_text;
    GKeyFile *key_file;
    GError *error = NULL;
    char **authors, **contributors, **artists, **documenters, **array_strv;
    gsize n_authors = 0, n_contributors = 0, n_artists = 0, n_documenters = 0 , i;
    GPtrArray *array;

    key_file = g_key_file_new ();
    if (!g_key_file_load_from_file (key_file, TERM_PKGDATADIR G_DIR_SEPARATOR_S "terminal.about", 0, &error))
    {
        g_warning ("Couldn't load about data: %s\n", error->message);
        g_error_free (error);
        g_key_file_free (key_file);
        return;
    }

    authors = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Authors", &n_authors, NULL);
    contributors = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Contributors", &n_contributors, NULL);
    artists = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Artists", &n_artists, NULL);
    documenters = g_key_file_get_string_list (key_file, ABOUT_GROUP, "Documenters", &n_documenters, NULL);
    g_key_file_free (key_file);

    array = g_ptr_array_new ();

    for (i = 0; i < n_authors; ++i)
        g_ptr_array_add (array, EMAILIFY (authors[i]));
    g_free (authors); /* strings are now owned by the array */

    if (n_contributors > 0)
    {
        g_ptr_array_add (array, g_strdup (""));
        g_ptr_array_add (array, g_strdup (_("Contributors:")));
        for (i = 0; i < n_contributors; ++i)
            g_ptr_array_add (array, EMAILIFY (contributors[i]));
    }
    g_free (contributors); /* strings are now owned by the array */

    g_ptr_array_add (array, NULL);
    array_strv = (char **) g_ptr_array_free (array, FALSE);

    for (i = 0; i < n_artists; ++i)
        artists[i] = EMAILIFY (artists[i]);
    for (i = 0; i < n_documenters; ++i)
        documenters[i] = EMAILIFY (documenters[i]);

    licence_text = terminal_util_get_licence_text ();

    mate_show_about_dialog (GTK_WINDOW (window),
                           "program-name", _("MATE Terminal"),
                           "copyright", copyright,
                           "comments", _("A terminal emulator for the MATE desktop"),
                           "version", VERSION,
                           "authors", array_strv,
                           "artists", artists,
                           "documenters", documenters,
                           "license", licence_text,
                           "wrap-license", TRUE,
                           "translator-credits", _("translator-credits"),
                           "logo-icon-name", MATE_TERMINAL_ICON_NAME,
                           "website", "http://www.mate-desktop.org",
                           NULL);

    g_strfreev (array_strv);
    g_strfreev (artists);
    g_strfreev (documenters);
    g_free (licence_text);
}

GtkUIManager *
terminal_window_get_ui_manager (TerminalWindow *window)
{
    TerminalWindowPrivate *priv = window->priv;

    return priv->ui_manager;
}

void
terminal_window_save_state (TerminalWindow *window,
                            GKeyFile *key_file,
                            const char *group)
{
    TerminalWindowPrivate *priv = window->priv;
    GList *tabs, *lt;
    TerminalScreen *active_screen;
    GdkWindowState state;
    GPtrArray *tab_names_array;
    char **tab_names;
    gsize len;

    //XXXif (priv->menub)//XXX
    g_key_file_set_boolean (key_file, group, TERMINAL_CONFIG_WINDOW_PROP_MENUBAR_VISIBLE,
                            priv->menubar_visible);

    g_key_file_set_string (key_file, group, TERMINAL_CONFIG_WINDOW_PROP_ROLE,
                           gtk_window_get_role (GTK_WINDOW (window)));

    state = gdk_window_get_state (gtk_widget_get_window (GTK_WIDGET (window)));
    if (state & GDK_WINDOW_STATE_MAXIMIZED)
        g_key_file_set_boolean (key_file, group, TERMINAL_CONFIG_WINDOW_PROP_MAXIMIZED, TRUE);
    if (state & GDK_WINDOW_STATE_FULLSCREEN)
        g_key_file_set_boolean (key_file, group, TERMINAL_CONFIG_WINDOW_PROP_FULLSCREEN, TRUE);

    active_screen = terminal_window_get_active (window);
    tabs = terminal_window_list_screen_containers (window);

    tab_names_array = g_ptr_array_sized_new (g_list_length (tabs) + 1);

    for (lt = tabs; lt != NULL; lt = lt->next)
    {
        TerminalScreen *screen;
        char *tab_group;

        screen = terminal_screen_container_get_screen (TERMINAL_SCREEN_CONTAINER (lt->data));

        tab_group = g_strdup_printf ("Terminal%p", screen);
        g_ptr_array_add (tab_names_array, tab_group);

        terminal_screen_save_config (screen, key_file, tab_group);

        if (screen == active_screen)
        {
            int w, h, x, y;
            char *geometry;

            g_key_file_set_string (key_file, group, TERMINAL_CONFIG_WINDOW_PROP_ACTIVE_TAB, tab_group);

            /* FIXME saving the geometry is not great :-/ */
            terminal_screen_get_size (screen, &w, &h);
            gtk_window_get_position (GTK_WINDOW (window), &x, &y);
            geometry = g_strdup_printf ("%dx%d+%d+%d", w, h, x, y);
            g_key_file_set_string (key_file, group, TERMINAL_CONFIG_WINDOW_PROP_GEOMETRY, geometry);
            g_free (geometry);
        }
    }

    g_list_free (tabs);

    len = tab_names_array->len;
    g_ptr_array_add (tab_names_array, NULL);
    tab_names = (char **) g_ptr_array_free (tab_names_array, FALSE);
    g_key_file_set_string_list (key_file, group, TERMINAL_CONFIG_WINDOW_PROP_TABS, (const char * const *) tab_names, len);
    g_strfreev (tab_names);
}


TerminalWindow *
terminal_window_get_latest_focused (TerminalWindow *window1,
                                    TerminalWindow *window2)
{
  TerminalWindowPrivate *priv1 = NULL;
  TerminalWindowPrivate *priv2 = NULL;

  if (!window1)
    return window2;

  if (!window2)
    return window1;

  priv1 = window1->priv;
  priv2 = window2->priv;

  if (priv2->focus_time > priv1->focus_time)
    return window2;

  return window1;
}
