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 "main.h"

#include "prefs.h"

#include "prefs_customheader.h"

#include "prefs_common.h"

#include "prefs_account.h"

#include "mainwindow.h"

#include "foldersel.h"

#include "manage_window.h"

#include "customheader.h"

#include "folder.h"

#include "utils.h"

#include "gtkutils.h"

#include "alertpanel.h"

static struct CustomHdr {

        GtkWidget *window;

        GtkWidget *ok_btn;

        GtkWidget *cancel_btn;

        GtkWidget *hdr_combo;

        GtkWidget *hdr_entry;

        GtkWidget *val_entry;

        GtkWidget *customhdr_clist;

} customhdr;

/* widget creating functions */

static void prefs_custom_header_create        (void);

static void prefs_custom_header_set_dialog        (PrefsAccount *ac);

static void prefs_custom_header_set_list        (PrefsAccount *ac);

static gint prefs_custom_header_clist_set_row        (PrefsAccount *ac,

                                                 gint               row);

/* callback functions */

static void prefs_custom_header_add_cb                (void);

static void prefs_custom_header_delete_cb        (void);

static void prefs_custom_header_up                (void);

static void prefs_custom_header_down                (void);

static void prefs_custom_header_select                (GtkCList        *clist,

                                                 gint                 row,

                                                 gint                 column,

                                                 GdkEvent        *event);

static void prefs_custom_header_row_moved        (GtkCList        *clist,

                                                 gint                 source_row,

                                                 gint                 dest_row,

                                                 gpointer         data);

static gboolean prefs_custom_header_key_pressed        (GtkWidget        *widget,

                                                 GdkEventKey        *event,

                                                 gpointer         data);

static void prefs_custom_header_ok                (void);

static void prefs_custom_header_cancel                (void);

static gint prefs_custom_header_deleted                (GtkWidget        *widget,

                                                 GdkEventAny        *event,

                                                 gpointer         data);

static PrefsAccount *cur_ac = NULL;

void prefs_custom_header_open(PrefsAccount *ac)

{

        if (!customhdr.window) {

                prefs_custom_header_create();

        }

        manage_window_set_transient(GTK_WINDOW(customhdr.window));

        gtk_widget_grab_focus(customhdr.ok_btn);

        prefs_custom_header_set_dialog(ac);

        cur_ac = ac;

        gtk_widget_show(customhdr.window);

}

static void prefs_custom_header_create(void)

{

        GtkWidget *window;

        GtkWidget *vbox;

        GtkWidget *ok_btn;

        GtkWidget *cancel_btn;

        GtkWidget *confirm_area;

        GtkWidget *vbox1;

        GtkWidget *table1;

        GtkWidget *hdr_label;

        GtkWidget *hdr_combo;

        GtkWidget *val_label;

        GtkWidget *val_entry;

        GtkWidget *reg_hbox;

        GtkWidget *btn_hbox;

        GtkWidget *arrow;

        GtkWidget *add_btn;

        GtkWidget *del_btn;

        GtkWidget *ch_hbox;

        GtkWidget *ch_scrolledwin;

        GtkWidget *customhdr_clist;

        GtkWidget *btn_vbox;

        GtkWidget *up_btn;

        GtkWidget *down_btn;

        gchar *title[1];

        debug_print("Creating custom 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);

        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(vbox), confirm_area, FALSE, FALSE, 0);

        gtk_widget_grab_default (ok_btn);

        gtk_window_set_title (GTK_WINDOW(window), _("Custom header setting"));

        MANAGE_WINDOW_SIGNALS_CONNECT (window);

        g_signal_connect (G_OBJECT(window), "delete_event",

                          G_CALLBACK(prefs_custom_header_deleted),

                          NULL);

        g_signal_connect (G_OBJECT(window), "key_press_event",

                          G_CALLBACK(prefs_custom_header_key_pressed),

                          NULL);

        g_signal_connect (G_OBJECT(ok_btn), "clicked",

                          G_CALLBACK(prefs_custom_header_ok), NULL);

        g_signal_connect (G_OBJECT(cancel_btn), "clicked",

                          G_CALLBACK(prefs_custom_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);

        table1 = gtk_table_new (2, 2, FALSE);

        gtk_widget_show (table1);

        gtk_box_pack_start (GTK_BOX (vbox1), table1,

                            FALSE, FALSE, 0);

        gtk_table_set_row_spacings (GTK_TABLE (table1), 8);

        gtk_table_set_col_spacings (GTK_TABLE (table1), 8);

        hdr_label = gtk_label_new (_("Header"));

        gtk_widget_show (hdr_label);

        gtk_table_attach (GTK_TABLE (table1), hdr_label, 0, 1, 0, 1,

                          GTK_EXPAND | GTK_SHRINK | GTK_FILL,

                          0, 0, 0);

        gtk_misc_set_alignment (GTK_MISC (hdr_label), 0, 0.5);

        hdr_combo = gtk_combo_new ();

        gtk_widget_show (hdr_combo);

        gtk_table_attach (GTK_TABLE (table1), hdr_combo, 0, 1, 1, 2,

                          GTK_EXPAND | GTK_SHRINK | GTK_FILL,

                          0, 0, 0);

        gtk_widget_set_size_request (hdr_combo, 150, -1);

        gtkut_combo_set_items (GTK_COMBO (hdr_combo),

                               "User-Agent", "X-Face", "X-Operating-System",

                               NULL);

        val_label = gtk_label_new (_("Value"));

        gtk_widget_show (val_label);

        gtk_table_attach (GTK_TABLE (table1), val_label, 1, 2, 0, 1,

                          GTK_EXPAND | GTK_SHRINK | GTK_FILL,

                          0, 0, 0);

        gtk_misc_set_alignment (GTK_MISC (val_label), 0, 0.5);

        val_entry = gtk_entry_new ();

        gtk_widget_show (val_entry);

        gtk_table_attach (GTK_TABLE (table1), val_entry, 1, 2, 1, 2,

                          GTK_EXPAND | GTK_SHRINK | GTK_FILL,

                          0, 0, 0);

        gtk_widget_set_size_request (val_entry, 200, -1);

        /* add / delete */

        reg_hbox = gtk_hbox_new (FALSE, 4);

        gtk_widget_show (reg_hbox);

        gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);

        arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);

        gtk_widget_show (arrow);

        gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);

        gtk_widget_set_size_request (arrow, -1, 16);

        btn_hbox = gtk_hbox_new (TRUE, 4);

        gtk_widget_show (btn_hbox);

        gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);

        add_btn = gtk_button_new_with_label (_("Add"));

        gtk_widget_show (add_btn);

        gtk_box_pack_start (GTK_BOX (btn_hbox), add_btn, FALSE, TRUE, 0);

        g_signal_connect (G_OBJECT (add_btn), "clicked",

                          G_CALLBACK (prefs_custom_header_add_cb), NULL);

        del_btn = gtk_button_new_with_label (_(" Delete "));

        gtk_widget_show (del_btn);

        gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);

        g_signal_connect (G_OBJECT (del_btn), "clicked",

                          G_CALLBACK (prefs_custom_header_delete_cb), NULL);

        ch_hbox = gtk_hbox_new (FALSE, 8);

        gtk_widget_show (ch_hbox);

        gtk_box_pack_start (GTK_BOX (vbox1), ch_hbox, TRUE, TRUE, 0);

        ch_scrolledwin = gtk_scrolled_window_new (NULL, NULL);

        gtk_widget_set_size_request (ch_scrolledwin, -1, 200);

        gtk_widget_show (ch_scrolledwin);

        gtk_box_pack_start (GTK_BOX (ch_hbox), ch_scrolledwin, TRUE, TRUE, 0);

        gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (ch_scrolledwin),

                                        GTK_POLICY_AUTOMATIC,

                                        GTK_POLICY_AUTOMATIC);

        title[0] = _("Custom headers");

        customhdr_clist = gtk_clist_new_with_titles(1, title);

        gtk_widget_show (customhdr_clist);

        gtk_container_add (GTK_CONTAINER (ch_scrolledwin), customhdr_clist);

        gtk_clist_set_column_width (GTK_CLIST (customhdr_clist), 0, 80);

        gtk_clist_set_selection_mode (GTK_CLIST (customhdr_clist),

                                      GTK_SELECTION_BROWSE);

        gtk_clist_set_reorderable (GTK_CLIST (customhdr_clist), TRUE);

        gtk_clist_set_use_drag_icons (GTK_CLIST (customhdr_clist), FALSE);

        GTK_WIDGET_UNSET_FLAGS (GTK_CLIST (customhdr_clist)->column[0].button,

                                GTK_CAN_FOCUS);

        g_signal_connect (G_OBJECT (customhdr_clist), "select_row",

                          G_CALLBACK (prefs_custom_header_select), NULL);

        g_signal_connect_after

                (G_OBJECT (customhdr_clist), "row_move",

                 G_CALLBACK (prefs_custom_header_row_moved), NULL);

        btn_vbox = gtk_vbox_new (FALSE, 8);

        gtk_widget_show (btn_vbox);

        gtk_box_pack_start (GTK_BOX (ch_hbox), btn_vbox, FALSE, FALSE, 0);

        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_custom_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_custom_header_down), NULL);

        gtk_widget_show_all(window);

        customhdr.window     = window;

        customhdr.ok_btn     = ok_btn;

        customhdr.cancel_btn = cancel_btn;

        customhdr.hdr_combo  = hdr_combo;

        customhdr.hdr_entry  = GTK_COMBO (hdr_combo)->entry;

        customhdr.val_entry  = val_entry;

        customhdr.customhdr_clist   = customhdr_clist;

}

void prefs_custom_header_read_config(PrefsAccount *ac)

{

        gchar *rcpath;

        FILE *fp;

        gchar buf[PREFSBUFSIZE];

        CustomHeader *ch;

        debug_print("Reading custom header configuration...\n");

        rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,

                             CUSTOM_HEADER_RC, NULL);

        if ((fp = g_fopen(rcpath, "rb")) == NULL) {

                if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");

                g_free(rcpath);

                ac->customhdr_list = NULL;

                return;

        }

        g_free(rcpath);

        /* remove all previous headers list */

        while (ac->customhdr_list != NULL) {

                ch = (CustomHeader *)ac->customhdr_list->data;

                custom_header_free(ch);

                ac->customhdr_list = g_slist_remove(ac->customhdr_list, ch);

        }

        while (fgets(buf, sizeof(buf), fp) != NULL) {

                ch = custom_header_read_str(buf);

                if (ch) {

                        if (ch->account_id == ac->account_id) {

                                ac->customhdr_list =

                                        g_slist_append(ac->customhdr_list, ch);

                        } else

                                custom_header_free(ch);

                }

        }

        fclose(fp);

}

void prefs_custom_header_write_config(PrefsAccount *ac)

{

        gchar *rcpath;

        PrefFile *pfile;

        GSList *cur;

        gchar buf[PREFSBUFSIZE];

        FILE * fp;

        CustomHeader *ch;

        GSList *all_hdrs = NULL;

        debug_print("Writing custom header configuration...\n");

        rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,

                             CUSTOM_HEADER_RC, NULL);

        if ((fp = g_fopen(rcpath, "rb")) == NULL) {

                if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");

        } else {

                all_hdrs = NULL;

                while (fgets(buf, sizeof(buf), fp) != NULL) {

                        ch = custom_header_read_str(buf);

                        if (ch) {

                                if (ch->account_id != ac->account_id)

                                        all_hdrs =

                                                g_slist_append(all_hdrs, ch);

                                else

                                        custom_header_free(ch);

                        }

                }

                fclose(fp);

        }

        if ((pfile = prefs_file_open(rcpath)) == NULL) {

                g_warning(_("failed to write configuration to file\n"));

                g_free(rcpath);

                return;

        }

        for (cur = all_hdrs; cur != NULL; cur = cur->next) {

                 CustomHeader *hdr = (CustomHeader *)cur->data;

                gchar *chstr;

                chstr = custom_header_get_str(hdr);

                if (fputs(chstr, pfile->fp) == EOF ||

                    fputc('\n', pfile->fp) == EOF) {

                        FILE_OP_ERROR(rcpath, "fputs || fputc");

                        prefs_file_close_revert(pfile);

                        g_free(rcpath);

                        g_free(chstr);

                        return;

                }

                g_free(chstr);

        }

        for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {

                 CustomHeader *hdr = (CustomHeader *)cur->data;

                gchar *chstr;

                chstr = custom_header_get_str(hdr);

                if (fputs(chstr, pfile->fp) == EOF ||

                    fputc('\n', pfile->fp) == EOF) {

                        FILE_OP_ERROR(rcpath, "fputs || fputc");

                        prefs_file_close_revert(pfile);

                        g_free(rcpath);

                        g_free(chstr);

                        return;

                }

                g_free(chstr);

        }

        g_free(rcpath);

         while (all_hdrs != NULL) {

                 ch = (CustomHeader *)all_hdrs->data;

                 custom_header_free(ch);

                 all_hdrs = g_slist_remove(all_hdrs, ch);

         }

        if (prefs_file_close(pfile) < 0) {

                g_warning(_("failed to write configuration to file\n"));

                return;

        }

}

static void prefs_custom_header_set_dialog(PrefsAccount *ac)

{

        GtkCList *clist = GTK_CLIST(customhdr.customhdr_clist);

        GSList *cur;

        gchar *ch_str[1];

        gint row;

        gtk_clist_freeze(clist);

        gtk_clist_clear(clist);

        for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {

                 CustomHeader *ch = (CustomHeader *)cur->data;

                ch_str[0] = g_strdup_printf("%s: %s", ch->name,

                                            ch->value ? ch->value : "");

                row = gtk_clist_append(clist, ch_str);

                gtk_clist_set_row_data(clist, row, ch);

                g_free(ch_str[0]);

        }

        gtk_clist_thaw(clist);

}

static void prefs_custom_header_set_list(PrefsAccount *ac)

{

        gint row = 0;

        CustomHeader *ch;

        g_slist_free(ac->customhdr_list);

        ac->customhdr_list = NULL;

        while ((ch = gtk_clist_get_row_data

                (GTK_CLIST(customhdr.customhdr_clist), row)) != NULL) {

                ac->customhdr_list = g_slist_append(ac->customhdr_list, ch);

                row++;

        }

}

static gint prefs_custom_header_clist_set_row(PrefsAccount *ac, gint row)

{

        GtkCList *clist = GTK_CLIST(customhdr.customhdr_clist);

        CustomHeader *ch;

        const gchar *entry_text;

        gchar *ch_str[1];

        entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));

        if (entry_text[0] == '\0') {

                alertpanel_error(_("Header name is not set."));

                return -1;

        }

        ch = g_new0(CustomHeader, 1);

        ch->account_id = ac->account_id;

        ch->name = g_strdup(entry_text);

        unfold_line(ch->name);

        g_strstrip(ch->name);

        gtk_entry_set_text(GTK_ENTRY(customhdr.hdr_entry), ch->name);

        entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.val_entry));

        if (entry_text[0] != '\0') {

                ch->value = g_strdup(entry_text);

                unfold_line(ch->value);

                g_strstrip(ch->value);

                gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), ch->value);

        }

        ch_str[0] = g_strdup_printf("%s: %s", ch->name,

                                    ch->value ? ch->value : "");

        if (row < 0)

                row = gtk_clist_append(clist, ch_str);

        else {

                CustomHeader *tmp_ch;

                gtk_clist_set_text(clist, row, 0, ch_str[0]);

                tmp_ch = gtk_clist_get_row_data(clist, row);

                if (tmp_ch)

                        custom_header_free(tmp_ch);

        }

        gtk_clist_set_row_data(clist, row, ch);

        g_free(ch_str[0]);

        prefs_custom_header_set_list(cur_ac);

        return row;

}

static void prefs_custom_header_add_cb(void)

{

        prefs_custom_header_clist_set_row(cur_ac, -1);

}

static void prefs_custom_header_delete_cb(void)

{

        GtkCList *clist = GTK_CLIST(customhdr.customhdr_clist);

        CustomHeader *ch;

        gint row;

        if (!clist->selection) return;

        row = GPOINTER_TO_INT(clist->selection->data);

        if (alertpanel(_("Delete header"),

                       _("Do you really want to delete this header?"),

                       GTK_STOCK_YES, GTK_STOCK_NO, NULL) != G_ALERTDEFAULT)

                return;

        ch = gtk_clist_get_row_data(clist, row);

        custom_header_free(ch);

        gtk_clist_remove(clist, row);

        cur_ac->customhdr_list = g_slist_remove(cur_ac->customhdr_list, ch);

}

static void prefs_custom_header_up(void)

{

        GtkCList *clist = GTK_CLIST(customhdr.customhdr_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_custom_header_down(void)

{

        GtkCList *clist = GTK_CLIST(customhdr.customhdr_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);

}

#define ENTRY_SET_TEXT(entry, str) \

        gtk_entry_set_text(GTK_ENTRY(entry), str ? str : "")

static void prefs_custom_header_select(GtkCList *clist, gint row, gint column,

                                       GdkEvent *event)

{

        CustomHeader *ch;

        CustomHeader default_ch = { 0, "", NULL };

        ch = gtk_clist_get_row_data(clist, row);

        if (!ch) ch = &default_ch;

        ENTRY_SET_TEXT(customhdr.hdr_entry, ch->name);

        ENTRY_SET_TEXT(customhdr.val_entry, ch->value);

}

#undef ENTRY_SET_TEXT

static void prefs_custom_header_row_moved(GtkCList *clist, gint source_row,

                                          gint dest_row, gpointer data)

{

        prefs_custom_header_set_list(cur_ac);

}

static gboolean prefs_custom_header_key_pressed(GtkWidget *widget,

                                                GdkEventKey *event,

                                                gpointer data)

{

        if (event && event->keyval == GDK_Escape)

                prefs_custom_header_cancel();

        return FALSE;

}

static void prefs_custom_header_ok(void)

{

        prefs_custom_header_write_config(cur_ac);

        gtk_widget_hide(customhdr.window);

}

static void prefs_custom_header_cancel(void)

{

        prefs_custom_header_read_config(cur_ac); 

        gtk_widget_hide(customhdr.window);

}

static gint prefs_custom_header_deleted(GtkWidget *widget, GdkEventAny *event,

                                        gpointer data)

{

        prefs_custom_header_cancel();

        return TRUE;

}