Sylpheed

/*

 * 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);

        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);

        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;

}