Initial commit for sylpheed 3.7.0

1 files changed, 640 insertions, 0 deletions

diff --git a/src/prefs_display_header.c b/src/prefs_display_header.c
new file mode 100644
index 0000000..dcab6cf
--- /dev/null
+++ b/src/prefs_display_header.c
@@ -0,0 +1,640 @@
+/*
+ * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
+ * Copyright (C) 1999-2005 Hiroyuki Yamamoto
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include "defs.h"
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "prefs.h"
+#include "prefs_ui.h"
+#include "prefs_display_header.h"
+#include "prefs_common.h"
+#include "manage_window.h"
+#include "alertpanel.h"
+#include "displayheader.h"
+#include "utils.h"
+#include "gtkutils.h"
+
+static struct DisplayHeader {
+        GtkWidget *window;
+
+        GtkWidget *confirm_area;
+        GtkWidget *ok_btn;
+        GtkWidget *cancel_btn;
+
+        GtkWidget *hdr_combo;
+        GtkWidget *hdr_entry;
+        GtkWidget *key_check;
+        GtkWidget *headers_clist;
+        GtkWidget *hidden_headers_clist;
+
+        GtkWidget *other_headers;
+} dispheader;
+
+/* widget creating functions */
+static void prefs_display_header_create (void);
+
+static void prefs_display_header_set_dialog     (void);
+static void prefs_display_header_set_list       (void);
+static gint prefs_display_header_clist_set_row  (gboolean hidden);
+
+/* callback functions */
+static void prefs_display_header_register_cb    (GtkButton      *btn,
+                                                 gpointer        hidden_data);
+static void prefs_display_header_delete_cb      (GtkButton      *btn,
+                                                 gpointer        clist_data);
+static void prefs_display_header_up             (void);
+static void prefs_display_header_down           (void);
+
+static void prefs_display_header_row_moved      (GtkCList       *clist,
+                                                 gint            source_row,
+                                                 gint            dest_row,
+                                                 gpointer        data);
+
+static gboolean prefs_display_header_key_pressed(GtkWidget      *widget,
+                                                 GdkEventKey    *event,
+                                                 gpointer        data);
+static void prefs_display_header_ok             (void);
+static void prefs_display_header_cancel         (void);
+static gint prefs_display_header_deleted        (GtkWidget      *widget,
+                                                 GdkEventAny    *event,
+                                                 gpointer        data);
+
+static gchar *defaults[] =
+{
+        "From",
+        "To",
+        "Cc",
+        "Reply-To",
+        "Newsgroups",
+        "Followup-To",
+        "Subject",
+        "Date",
+        "Sender",
+        "Organization",
+        "X-Mailer",
+        "X-Newsreader",
+        "User-Agent",
+        "-Received",
+        "-Message-Id",
+        "-In-Reply-To",
+        "-References",
+        "-Mime-Version",
+        "-Content-Type",
+        "-Content-Transfer-Encoding",
+        "-X-UIDL",
+        "-Precedence",
+        "-Status",
+        "-Priority",
+        "-X-Face"
+};
+
+static void prefs_display_header_set_default(void)
+{
+        gint i;
+        DisplayHeaderProp *dp;
+
+        for(i = 0; i < sizeof(defaults) / sizeof(defaults[0]); i++) {
+                dp = display_header_prop_read_str(defaults[i]);
+                prefs_common.disphdr_list =
+                        g_slist_append(prefs_common.disphdr_list, dp);
+        }
+}
+
+void prefs_display_header_open(void)
+{
+        if (!dispheader.window) {
+                prefs_display_header_create();
+        }
+
+        gtkut_box_set_reverse_order(GTK_BOX(dispheader.confirm_area),
+                                    !prefs_common.comply_gnome_hig);
+        manage_window_set_transient(GTK_WINDOW(dispheader.window));
+        gtk_widget_grab_focus(dispheader.ok_btn);
+
+        prefs_display_header_set_dialog();
+
+        gtk_widget_show(dispheader.window);
+}
+
+static void prefs_display_header_create(void)
+{
+        GtkWidget *window;
+        GtkWidget *vbox;
+        GtkWidget *btn_hbox;
+        GtkWidget *confirm_area;
+        GtkWidget *ok_btn;
+        GtkWidget *cancel_btn;
+
+        GtkWidget *vbox1;
+
+        GtkWidget *hbox1;
+        GtkWidget *hdr_label;
+        GtkWidget *hdr_combo;
+
+        GtkWidget *btn_vbox;
+        GtkWidget *reg_btn;
+        GtkWidget *del_btn;
+        GtkWidget *up_btn;
+        GtkWidget *down_btn;
+
+        GtkWidget *clist_hbox;
+        GtkWidget *clist_hbox1;
+        GtkWidget *clist_hbox2;
+        GtkWidget *clist_scrolledwin;
+        GtkWidget *headers_clist;
+        GtkWidget *hidden_headers_clist;
+
+        GtkWidget *checkbtn_other_headers;
+
+        gchar *title[1];
+
+        debug_print(_("Creating display header setting window...\n"));
+
+        window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+        gtk_container_set_border_width (GTK_CONTAINER (window), 8);
+        gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
+        gtk_window_set_modal (GTK_WINDOW (window), TRUE);
+        gtk_window_set_policy (GTK_WINDOW (window), FALSE, TRUE, FALSE);
+
+        vbox = gtk_vbox_new (FALSE, 6);
+        gtk_widget_show (vbox);
+        gtk_container_add (GTK_CONTAINER (window), vbox);
+
+        btn_hbox = gtk_hbox_new (FALSE, 8);
+        gtk_widget_show (btn_hbox);
+        gtk_box_pack_end (GTK_BOX (vbox), btn_hbox, FALSE, FALSE, 0);
+
+        gtkut_stock_button_set_create(&confirm_area, &ok_btn, GTK_STOCK_OK,
+                                      &cancel_btn, GTK_STOCK_CANCEL,
+                                      NULL, NULL);
+        gtk_widget_show (confirm_area);
+        gtk_box_pack_end (GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
+        gtk_widget_grab_default (ok_btn);
+
+        gtk_window_set_title (GTK_WINDOW(window),
+                              _("Display header setting"));
+        MANAGE_WINDOW_SIGNALS_CONNECT(window);
+        g_signal_connect (G_OBJECT(window), "delete_event",
+                          G_CALLBACK(prefs_display_header_deleted), NULL);
+        g_signal_connect (G_OBJECT(window), "key_press_event",
+                          G_CALLBACK(prefs_display_header_key_pressed), NULL);
+        g_signal_connect (G_OBJECT(ok_btn), "clicked",
+                          G_CALLBACK(prefs_display_header_ok), NULL);
+        g_signal_connect (G_OBJECT(cancel_btn), "clicked",
+                          G_CALLBACK(prefs_display_header_cancel), NULL);
+
+        vbox1 = gtk_vbox_new (FALSE, VSPACING);
+        gtk_widget_show (vbox1);
+        gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
+        gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
+
+        hbox1 = gtk_hbox_new (FALSE, 8);
+        gtk_widget_show (hbox1);
+        gtk_box_pack_start (GTK_BOX (vbox1), hbox1, FALSE, TRUE, 0);
+
+        hdr_label = gtk_label_new (_("Header name"));
+        gtk_widget_show (hdr_label);
+        gtk_box_pack_start (GTK_BOX (hbox1), hdr_label, FALSE, FALSE, 0);
+
+        hdr_combo = gtk_combo_new ();
+        gtk_widget_show (hdr_combo);
+        gtk_box_pack_start (GTK_BOX (hbox1), hdr_combo, TRUE, TRUE, 0);
+        gtk_widget_set_size_request (hdr_combo, 150, -1);
+        gtkut_combo_set_items (GTK_COMBO (hdr_combo),
+                               "From", "To", "Cc", "Subject", "Date",
+                               "Reply-To", "Sender", "User-Agent", "X-Mailer",
+                               NULL);
+
+        clist_hbox = gtk_hbox_new (FALSE, 10);
+        gtk_widget_show (clist_hbox);
+        gtk_box_pack_start (GTK_BOX (vbox1), clist_hbox, TRUE, TRUE, 0);
+
+        /* display headers list */
+
+        clist_hbox1 = gtk_hbox_new (FALSE, 8);
+        gtk_widget_show (clist_hbox1);
+        gtk_box_pack_start (GTK_BOX (clist_hbox), clist_hbox1, TRUE, TRUE, 0);
+
+        clist_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
+        gtk_widget_set_size_request (clist_scrolledwin, 200, 210);
+        gtk_widget_show (clist_scrolledwin);
+        gtk_box_pack_start (GTK_BOX (clist_hbox1), clist_scrolledwin,
+                            TRUE, TRUE, 0);
+        gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (clist_scrolledwin),
+                                        GTK_POLICY_AUTOMATIC,
+                                        GTK_POLICY_AUTOMATIC);
+
+        title[0] = _("Displayed Headers");
+        headers_clist = gtk_clist_new_with_titles(1, title);
+        gtk_widget_show (headers_clist);
+        gtk_container_add (GTK_CONTAINER (clist_scrolledwin), headers_clist);
+        gtk_clist_set_selection_mode (GTK_CLIST (headers_clist),
+                                      GTK_SELECTION_BROWSE);
+        gtk_clist_set_reorderable (GTK_CLIST (headers_clist), TRUE);
+        gtk_clist_set_use_drag_icons (GTK_CLIST (headers_clist), FALSE);
+        gtkut_clist_set_redraw (GTK_CLIST (headers_clist));
+        GTK_WIDGET_UNSET_FLAGS (GTK_CLIST (headers_clist)->column[0].button,
+                                GTK_CAN_FOCUS);
+        g_signal_connect_after
+                (G_OBJECT (headers_clist), "row_move",
+                 G_CALLBACK (prefs_display_header_row_moved), NULL);
+
+        btn_vbox = gtk_vbox_new (FALSE, 8);
+        gtk_widget_show (btn_vbox);
+        gtk_box_pack_start (GTK_BOX (clist_hbox1), btn_vbox, FALSE, FALSE, 0);
+
+        reg_btn = gtk_button_new_with_label (_("Add"));
+        gtk_widget_show (reg_btn);
+        gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
+        g_signal_connect (G_OBJECT (reg_btn), "clicked",
+                          G_CALLBACK (prefs_display_header_register_cb),
+                          GINT_TO_POINTER(FALSE));
+        del_btn = gtk_button_new_with_label (_("Delete"));
+        gtk_widget_show (del_btn);
+        gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
+        g_signal_connect (G_OBJECT (del_btn), "clicked",
+                          G_CALLBACK (prefs_display_header_delete_cb),
+                          headers_clist);
+
+        up_btn = gtk_button_new_with_label (_("Up"));
+        gtk_widget_show (up_btn);
+        gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
+        g_signal_connect (G_OBJECT (up_btn), "clicked",
+                          G_CALLBACK (prefs_display_header_up), NULL);
+
+        down_btn = gtk_button_new_with_label (_("Down"));
+        gtk_widget_show (down_btn);
+        gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
+        g_signal_connect (G_OBJECT (down_btn), "clicked",
+                          G_CALLBACK (prefs_display_header_down), NULL);
+
+        /* hidden headers list */
+
+        clist_hbox2 = gtk_hbox_new (FALSE, 8);
+        gtk_widget_show (clist_hbox2);
+        gtk_box_pack_start (GTK_BOX (clist_hbox), clist_hbox2, TRUE, TRUE, 0);
+
+        clist_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
+        gtk_widget_set_size_request (clist_scrolledwin, 200, 210);
+        gtk_widget_show (clist_scrolledwin);
+        gtk_box_pack_start (GTK_BOX (clist_hbox2), clist_scrolledwin,
+                            TRUE, TRUE, 0);
+        gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (clist_scrolledwin),
+                                        GTK_POLICY_AUTOMATIC,
+                                        GTK_POLICY_AUTOMATIC);
+
+        title[0] = _("Hidden headers");
+        hidden_headers_clist = gtk_clist_new_with_titles(1, title);
+        gtk_widget_show (hidden_headers_clist);
+        gtk_container_add (GTK_CONTAINER (clist_scrolledwin),
+                           hidden_headers_clist);
+        gtk_clist_set_selection_mode (GTK_CLIST (hidden_headers_clist),
+                                      GTK_SELECTION_BROWSE);
+        gtk_clist_set_auto_sort(GTK_CLIST (hidden_headers_clist), TRUE);
+        gtkut_clist_set_redraw (GTK_CLIST (hidden_headers_clist));
+        GTK_WIDGET_UNSET_FLAGS (GTK_CLIST (hidden_headers_clist)->
+                                column[0].button, GTK_CAN_FOCUS);
+
+        btn_vbox = gtk_vbox_new (FALSE, 8);
+        gtk_widget_show (btn_vbox);
+        gtk_box_pack_start (GTK_BOX (clist_hbox2), btn_vbox, FALSE, FALSE, 0);
+
+        reg_btn = gtk_button_new_with_label (_("Add"));
+        gtk_widget_show (reg_btn);
+        gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
+        g_signal_connect (G_OBJECT (reg_btn), "clicked",
+                          G_CALLBACK (prefs_display_header_register_cb),
+                          GINT_TO_POINTER (TRUE));
+        del_btn = gtk_button_new_with_label (_("Delete"));
+        gtk_widget_show (del_btn);
+        gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
+        g_signal_connect (G_OBJECT (del_btn), "clicked",
+                          G_CALLBACK (prefs_display_header_delete_cb),
+                          hidden_headers_clist);
+
+        PACK_CHECK_BUTTON (btn_hbox, checkbtn_other_headers,
+                           _("Show all unspecified headers"));
+        SET_TOGGLE_SENSITIVITY (checkbtn_other_headers, clist_hbox2);
+
+        gtk_widget_show_all(window);
+
+        dispheader.window        = window;
+
+        dispheader.confirm_area  = confirm_area;
+        dispheader.ok_btn        = ok_btn;
+        dispheader.cancel_btn    = cancel_btn;
+
+        dispheader.hdr_combo     = hdr_combo;
+        dispheader.hdr_entry     = GTK_COMBO (hdr_combo)->entry;
+
+        dispheader.headers_clist        = headers_clist;
+        dispheader.hidden_headers_clist = hidden_headers_clist;
+
+        dispheader.other_headers = checkbtn_other_headers;
+}
+
+void prefs_display_header_read_config(void)
+{
+        gchar *rcpath;
+        FILE *fp;
+        gchar buf[PREFSBUFSIZE];
+        DisplayHeaderProp *dp;
+
+        debug_print(_("Reading configuration for displaying headers...\n"));
+
+        rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
+                             DISPLAY_HEADER_RC, NULL);
+        if ((fp = g_fopen(rcpath, "rb")) == NULL) {
+                if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
+                g_free(rcpath);
+                prefs_common.disphdr_list = NULL;
+                prefs_display_header_set_default();
+                return;
+        }
+        g_free(rcpath);
+
+        /* remove all previous headers list */
+        while (prefs_common.disphdr_list != NULL) {
+                dp = (DisplayHeaderProp *)prefs_common.disphdr_list->data;
+                display_header_prop_free(dp);
+                prefs_common.disphdr_list =
+                        g_slist_remove(prefs_common.disphdr_list, dp);
+        }
+
+        while (fgets(buf, sizeof(buf), fp) != NULL) {
+                g_strchomp(buf);
+                dp = display_header_prop_read_str(buf);
+                if (dp)
+                        prefs_common.disphdr_list =
+                                g_slist_append(prefs_common.disphdr_list, dp);
+        }
+
+        fclose(fp);
+}
+
+void prefs_display_header_write_config(void)
+{
+        gchar *rcpath;
+        PrefFile *pfile;
+        GSList *cur;
+
+        debug_print(_("Writing configuration for displaying headers...\n"));
+
+        rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
+                             DISPLAY_HEADER_RC, NULL);
+
+        if ((pfile = prefs_file_open(rcpath)) == NULL) {
+                g_warning(_("failed to write configuration to file\n"));
+                g_free(rcpath);
+                return;
+        }
+
+        for (cur = prefs_common.disphdr_list; cur != NULL;
+             cur = cur->next) {
+                DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
+                gchar *dpstr;
+
+                dpstr = display_header_prop_get_str(dp);
+                if (fputs(dpstr, pfile->fp) == EOF ||
+                    fputc('\n', pfile->fp) == EOF) {
+                        FILE_OP_ERROR(rcpath, "fputs || fputc");
+                        prefs_file_close_revert(pfile);
+                        g_free(rcpath);
+                        g_free(dpstr);
+                        return;
+                }
+                g_free(dpstr);
+        }
+
+        g_free(rcpath);
+
+        if (prefs_file_close(pfile) < 0) {
+                g_warning(_("failed to write configuration to file\n"));
+                return;
+        }
+}
+
+static void prefs_display_header_set_dialog(void)
+{
+        GtkCList *clist = GTK_CLIST(dispheader.headers_clist);
+        GtkCList *hidden_clist = GTK_CLIST(dispheader.hidden_headers_clist);
+        GSList *cur;
+        gchar *dp_str[1];
+        gint row;
+
+        gtk_clist_freeze(clist);
+        gtk_clist_freeze(hidden_clist);
+
+        gtk_clist_clear(clist);
+        gtk_clist_clear(hidden_clist);
+
+        for (cur = prefs_common.disphdr_list; cur != NULL;
+             cur = cur->next) {
+                DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
+
+                dp_str[0] = dp->name;
+
+                if (dp->hidden) {
+                        row = gtk_clist_append(hidden_clist, dp_str);
+                        gtk_clist_set_row_data(hidden_clist, row, dp);
+                } else {
+                        row = gtk_clist_append(clist, dp_str);
+                        gtk_clist_set_row_data(clist, row, dp);
+                }
+        }
+
+        gtk_clist_thaw(hidden_clist);
+        gtk_clist_thaw(clist);
+
+        gtk_toggle_button_set_active
+                (GTK_TOGGLE_BUTTON(dispheader.other_headers),
+                 prefs_common.show_other_header);
+}
+
+static void prefs_display_header_set_list()
+{
+        gint row = 0;
+        DisplayHeaderProp *dp;
+
+        g_slist_free(prefs_common.disphdr_list);
+        prefs_common.disphdr_list = NULL;
+
+        while ((dp = gtk_clist_get_row_data
+                (GTK_CLIST(dispheader.headers_clist), row)) != NULL) {
+                prefs_common.disphdr_list =
+                        g_slist_append(prefs_common.disphdr_list, dp);
+                row++;
+        }
+
+        row = 0;
+        while ((dp = gtk_clist_get_row_data
+                (GTK_CLIST(dispheader.hidden_headers_clist), row)) != NULL) {
+                prefs_common.disphdr_list =
+                        g_slist_append(prefs_common.disphdr_list, dp);
+                row++;
+        }
+}
+
+static gint prefs_display_header_find_header(GtkCList *clist,
+                                             const gchar *header)
+{
+        gint row = 0;
+        DisplayHeaderProp *dp;
+
+        while ((dp = gtk_clist_get_row_data(clist, row)) != NULL) {
+                if (g_ascii_strcasecmp(dp->name, header) == 0)
+                        return row;
+                row++;
+        }
+
+        return -1;
+}
+
+static gint prefs_display_header_clist_set_row(gboolean hidden)
+{
+        GtkCList *clist;
+        DisplayHeaderProp *dp;
+        const gchar *entry_text;
+        gchar *dp_str[1];
+        gint row;
+
+        entry_text = gtk_entry_get_text(GTK_ENTRY(dispheader.hdr_entry));
+        if (entry_text[0] == '\0') {
+                alertpanel_error(_("Header name is not set."));
+                return -1;
+        }
+
+        if (hidden)
+                clist = GTK_CLIST(dispheader.hidden_headers_clist);
+        else
+                clist = GTK_CLIST(dispheader.headers_clist);
+
+        if (prefs_display_header_find_header(clist, entry_text) != -1) {
+                alertpanel_error(_("This header is already in the list."));
+                return -1;
+        }
+
+        dp = g_new0(DisplayHeaderProp, 1);
+
+        dp->name = g_strdup(entry_text);
+        dp->hidden = hidden;
+
+        dp_str[0] = dp->name;
+        row = gtk_clist_append(clist, dp_str);
+        gtk_clist_set_row_data(clist, row, dp);
+
+        prefs_display_header_set_list();
+
+        return row;
+}
+
+static void prefs_display_header_register_cb(GtkButton *btn,
+                                             gpointer hidden_data)
+{
+        prefs_display_header_clist_set_row(GPOINTER_TO_INT(hidden_data));
+}
+
+static void prefs_display_header_delete_cb(GtkButton *btn, gpointer clist_data)
+{
+        GtkCList *clist = GTK_CLIST(clist_data);
+        DisplayHeaderProp *dp;
+        gint row;
+
+        if (!clist->selection) return;
+        row = GPOINTER_TO_INT(clist->selection->data);
+
+        dp = gtk_clist_get_row_data(clist, row);
+        display_header_prop_free(dp);
+        gtk_clist_remove(clist, row);
+        prefs_common.disphdr_list =
+                g_slist_remove(prefs_common.disphdr_list, dp);
+}
+
+static void prefs_display_header_up(void)
+{
+        GtkCList *clist = GTK_CLIST(dispheader.headers_clist);
+        gint row;
+
+        if (!clist->selection) return;
+
+        row = GPOINTER_TO_INT(clist->selection->data);
+        if (row > 0)
+                gtk_clist_row_move(clist, row, row - 1);
+}
+
+static void prefs_display_header_down(void)
+{
+        GtkCList *clist = GTK_CLIST(dispheader.headers_clist);
+        gint row;
+
+        if (!clist->selection) return;
+
+        row = GPOINTER_TO_INT(clist->selection->data);
+        if (row >= 0 && row < clist->rows - 1)
+                gtk_clist_row_move(clist, row, row + 1);
+}
+
+static void prefs_display_header_row_moved(GtkCList *clist, gint source_row,
+                                           gint dest_row, gpointer data)
+{
+        prefs_display_header_set_list();
+}
+
+static gboolean prefs_display_header_key_pressed(GtkWidget *widget,
+                                             GdkEventKey *event,
+                                             gpointer data)
+{
+        if (event && event->keyval == GDK_Escape)
+                prefs_display_header_cancel();
+        return FALSE;
+}
+
+static void prefs_display_header_ok(void)
+{
+        prefs_common.show_other_header =
+                gtk_toggle_button_get_active
+                        (GTK_TOGGLE_BUTTON(dispheader.other_headers));
+        prefs_display_header_write_config();
+        gtk_widget_hide(dispheader.window);
+}
+
+static void prefs_display_header_cancel(void)
+{
+        prefs_display_header_read_config();
+        gtk_widget_hide(dispheader.window);
+}
+
+static gint prefs_display_header_deleted(GtkWidget *widget, GdkEventAny *event,
+                                         gpointer data)
+{
+        prefs_display_header_cancel();
+        return TRUE;
+}