src/prefs_customheader.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtk.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <errno.h>
  33
  34 #include "intl.h"
  35 #include "main.h"
  36 #include "prefs.h"
  37 #include "prefs_customheader.h"
  38 #include "prefs_common.h"
  39 #include "prefs_account.h"
  40 #include "mainwindow.h"
  41 #include "foldersel.h"
  42 #include "manage_window.h"
  43 #include "customheader.h"
  44 #include "folder.h"
  45 #include "utils.h"
  46 #include "gtkutils.h"
  47 #include "alertpanel.h"
  48
  49 static struct CustomHdr {
  50         GtkWidget *window;
  51
  52         GtkWidget *ok_btn;
  53         GtkWidget *cancel_btn;
  54
  55         GtkWidget *hdr_combo;
  56         GtkWidget *hdr_entry;
  57         GtkWidget *val_entry;
  58         GtkWidget *customhdr_clist;
  59 } customhdr;
  60
  61 #define VSPACING                12
  62 #define VSPACING_NARROW         4
  63 #define DEFAULT_ENTRY_WIDTH     80
  64 #define PREFSBUFSIZE            1024
  65
  66 /* widget creating functions */
  67 static void prefs_custom_header_create  (void);
  68
  69 static void prefs_custom_header_set_dialog      (PrefsAccount *ac);
  70 static void prefs_custom_header_set_list        (PrefsAccount *ac);
  71 static gint prefs_custom_header_clist_set_row   (PrefsAccount *ac,
  72                                                  gint          row);
  73
  74 /* callback functions */
  75 static void prefs_custom_header_add_cb          (void);
  76 static void prefs_custom_header_delete_cb       (void);
  77 static void prefs_custom_header_up              (void);
  78 static void prefs_custom_header_down            (void);
  79 static void prefs_custom_header_select          (GtkCList       *clist,
  80                                                  gint            row,
  81                                                  gint            column,
  82                                                  GdkEvent       *event);
  83
  84 static void prefs_custom_header_row_moved       (GtkCList       *clist,
  85                                                  gint            source_row,
  86                                                  gint            dest_row,
  87                                                  gpointer        data);
  88
  89 static void prefs_custom_header_key_pressed     (GtkWidget      *widget,
  90                                                  GdkEventKey    *event,
  91                                                  gpointer        data);
  92 static void prefs_custom_header_ok              (void);
  93 static void prefs_custom_header_cancel          (void);
  94 static gint prefs_custom_header_deleted         (GtkWidget      *widget,
  95                                                  GdkEventAny    *event,
  96                                                  gpointer        data);
  97
  98 static PrefsAccount *cur_ac = NULL;
  99
 100 void prefs_custom_header_open(PrefsAccount *ac)
 101 {
 102         if (!customhdr.window) {
 103                 prefs_custom_header_create();
 104         }
 105
 106         manage_window_set_transient(GTK_WINDOW(customhdr.window));
 107         gtk_widget_grab_focus(customhdr.ok_btn);
 108
 109         prefs_custom_header_set_dialog(ac);
 110
 111         cur_ac = ac;
 112
 113         gtk_widget_show(customhdr.window);
 114 }
 115
 116 static void prefs_custom_header_create(void)
 117 {
 118         GtkWidget *window;
 119         GtkWidget *vbox;
 120
 121         GtkWidget *ok_btn;
 122         GtkWidget *cancel_btn;
 123
 124         GtkWidget *confirm_area;
 125
 126         GtkWidget *vbox1;
 127
 128         GtkWidget *table1;
 129         GtkWidget *hdr_label;
 130         GtkWidget *hdr_combo;
 131         GtkWidget *val_label;
 132         GtkWidget *val_entry;
 133
 134         GtkWidget *reg_hbox;
 135         GtkWidget *btn_hbox;
 136         GtkWidget *arrow;
 137         GtkWidget *add_btn;
 138         GtkWidget *del_btn;
 139
 140         GtkWidget *ch_hbox;
 141         GtkWidget *ch_scrolledwin;
 142         GtkWidget *customhdr_clist;
 143
 144         GtkWidget *btn_vbox;
 145         GtkWidget *up_btn;
 146         GtkWidget *down_btn;
 147
 148         gchar *title[] = {_("Custom headers")};
 149
 150         debug_print(_("Creating custom header setting window...\n"));
 151
 152         window = gtk_window_new (GTK_WINDOW_DIALOG);
 153         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 154         gtk_window_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 155         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 156         gtk_window_set_policy (GTK_WINDOW (window), FALSE, TRUE, FALSE);
 157
 158         vbox = gtk_vbox_new (FALSE, 6);
 159         gtk_widget_show (vbox);
 160         gtk_container_add (GTK_CONTAINER (window), vbox);
 161
 162         gtkut_button_set_create(&confirm_area, &ok_btn, _("OK"),
 163                                 &cancel_btn, _("Cancel"), NULL, NULL);
 164         gtk_widget_show (confirm_area);
 165         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 166         gtk_widget_grab_default (ok_btn);
 167
 168         gtk_window_set_title (GTK_WINDOW(window), _("Custom header setting"));
 169         gtk_signal_connect (GTK_OBJECT(window), "focus_in_event",
 170                             GTK_SIGNAL_FUNC(manage_window_focus_in), NULL);
 171         gtk_signal_connect (GTK_OBJECT(window), "focus_out_event",
 172                             GTK_SIGNAL_FUNC(manage_window_focus_out), NULL);
 173         gtk_signal_connect (GTK_OBJECT(window), "delete_event",
 174                             GTK_SIGNAL_FUNC(prefs_custom_header_deleted),
 175                             NULL);
 176         gtk_signal_connect (GTK_OBJECT(window), "key_press_event",
 177                             GTK_SIGNAL_FUNC(prefs_custom_header_key_pressed),
 178                             NULL);
 179         gtk_signal_connect (GTK_OBJECT(ok_btn), "clicked",
 180                             GTK_SIGNAL_FUNC(prefs_custom_header_ok), NULL);
 181         gtk_signal_connect (GTK_OBJECT(cancel_btn), "clicked",
 182                             GTK_SIGNAL_FUNC(prefs_custom_header_cancel), NULL);
 183
 184         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 185         gtk_widget_show (vbox1);
 186         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 187         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 188
 189         table1 = gtk_table_new (2, 2, FALSE);
 190         gtk_widget_show (table1);
 191         gtk_box_pack_start (GTK_BOX (vbox1), table1,
 192                             FALSE, FALSE, 0);
 193         gtk_table_set_row_spacings (GTK_TABLE (table1), 8);
 194         gtk_table_set_col_spacings (GTK_TABLE (table1), 8);
 195
 196         hdr_label = gtk_label_new (_("Header"));
 197         gtk_widget_show (hdr_label);
 198         gtk_table_attach (GTK_TABLE (table1), hdr_label, 0, 1, 0, 1,
 199                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 200                           0, 0, 0);
 201         gtk_misc_set_alignment (GTK_MISC (hdr_label), 0, 0.5);
 202
 203         hdr_combo = gtk_combo_new ();
 204         gtk_widget_show (hdr_combo);
 205         gtk_table_attach (GTK_TABLE (table1), hdr_combo, 0, 1, 1, 2,
 206                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 207                           0, 0, 0);
 208         gtk_widget_set_usize (hdr_combo, 150, -1);
 209         gtkut_combo_set_items (GTK_COMBO (hdr_combo),
 210                                "User-Agent", "X-Face", "X-Operating-System",
 211                                NULL);
 212
 213         val_label = gtk_label_new (_("Value"));
 214         gtk_widget_show (val_label);
 215         gtk_table_attach (GTK_TABLE (table1), val_label, 1, 2, 0, 1,
 216                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 217                           0, 0, 0);
 218         gtk_misc_set_alignment (GTK_MISC (val_label), 0, 0.5);
 219
 220         val_entry = gtk_entry_new ();
 221         gtk_widget_show (val_entry);
 222         gtk_table_attach (GTK_TABLE (table1), val_entry, 1, 2, 1, 2,
 223                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 224                           0, 0, 0);
 225         gtk_widget_set_usize (val_entry, 200, -1);
 226
 227         /* add / delete */
 228
 229         reg_hbox = gtk_hbox_new (FALSE, 4);
 230         gtk_widget_show (reg_hbox);
 231         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 232
 233         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 234         gtk_widget_show (arrow);
 235         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 236         gtk_widget_set_usize (arrow, -1, 16);
 237
 238         btn_hbox = gtk_hbox_new (TRUE, 4);
 239         gtk_widget_show (btn_hbox);
 240         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 241
 242         add_btn = gtk_button_new_with_label (_("Add"));
 243         gtk_widget_show (add_btn);
 244         gtk_box_pack_start (GTK_BOX (btn_hbox), add_btn, FALSE, TRUE, 0);
 245         gtk_signal_connect (GTK_OBJECT (add_btn), "clicked",
 246                             GTK_SIGNAL_FUNC (prefs_custom_header_add_cb),
 247                             NULL);
 248
 249         del_btn = gtk_button_new_with_label (_(" Delete "));
 250         gtk_widget_show (del_btn);
 251         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 252         gtk_signal_connect (GTK_OBJECT (del_btn), "clicked",
 253                             GTK_SIGNAL_FUNC (prefs_custom_header_delete_cb),
 254                             NULL);
 255
 256
 257         ch_hbox = gtk_hbox_new (FALSE, 8);
 258         gtk_widget_show (ch_hbox);
 259         gtk_box_pack_start (GTK_BOX (vbox1), ch_hbox, TRUE, TRUE, 0);
 260
 261         ch_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 262         gtk_widget_set_usize (ch_scrolledwin, -1, 200);
 263         gtk_widget_show (ch_scrolledwin);
 264         gtk_box_pack_start (GTK_BOX (ch_hbox), ch_scrolledwin, TRUE, TRUE, 0);
 265         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (ch_scrolledwin),
 266                                         GTK_POLICY_AUTOMATIC,
 267                                         GTK_POLICY_AUTOMATIC);
 268
 269         customhdr_clist = gtk_clist_new_with_titles(1, title);
 270         gtk_widget_show (customhdr_clist);
 271         gtk_container_add (GTK_CONTAINER (ch_scrolledwin), customhdr_clist);
 272         gtk_clist_set_column_width (GTK_CLIST (customhdr_clist), 0, 80);
 273         gtk_clist_set_selection_mode (GTK_CLIST (customhdr_clist),
 274                                       GTK_SELECTION_BROWSE);
 275         gtk_clist_set_reorderable (GTK_CLIST (customhdr_clist), TRUE);
 276         gtk_clist_set_use_drag_icons (GTK_CLIST (customhdr_clist), FALSE);
 277         GTK_WIDGET_UNSET_FLAGS (GTK_CLIST (customhdr_clist)->column[0].button,
 278                                 GTK_CAN_FOCUS);
 279         gtk_signal_connect (GTK_OBJECT (customhdr_clist), "select_row",
 280                             GTK_SIGNAL_FUNC (prefs_custom_header_select),
 281                             NULL);
 282         gtk_signal_connect_after
 283                 (GTK_OBJECT (customhdr_clist), "row_move",
 284                  GTK_SIGNAL_FUNC (prefs_custom_header_row_moved), NULL);
 285
 286         btn_vbox = gtk_vbox_new (FALSE, 8);
 287         gtk_widget_show (btn_vbox);
 288         gtk_box_pack_start (GTK_BOX (ch_hbox), btn_vbox, FALSE, FALSE, 0);
 289
 290         up_btn = gtk_button_new_with_label (_("Up"));
 291         gtk_widget_show (up_btn);
 292         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 293         gtk_signal_connect (GTK_OBJECT (up_btn), "clicked",
 294                             GTK_SIGNAL_FUNC (prefs_custom_header_up), NULL);
 295
 296         down_btn = gtk_button_new_with_label (_("Down"));
 297         gtk_widget_show (down_btn);
 298         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 299         gtk_signal_connect (GTK_OBJECT (down_btn), "clicked",
 300                             GTK_SIGNAL_FUNC (prefs_custom_header_down), NULL);
 301
 302         gtk_widget_show_all(window);
 303
 304         customhdr.window     = window;
 305         customhdr.ok_btn     = ok_btn;
 306         customhdr.cancel_btn = cancel_btn;
 307
 308         customhdr.hdr_combo  = hdr_combo;
 309         customhdr.hdr_entry  = GTK_COMBO (hdr_combo)->entry;
 310         customhdr.val_entry  = val_entry;
 311
 312         customhdr.customhdr_clist   = customhdr_clist;
 313 }
 314
 315 void prefs_custom_header_read_config(PrefsAccount *ac)
 316 {
 317         gchar *rcpath;
 318         FILE *fp;
 319         gchar buf[PREFSBUFSIZE];
 320         CustomHeader *ch;
 321
 322         debug_print(_("Reading custom header configuration...\n"));
 323
 324         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 325                              CUSTOM_HEADER_RC, NULL);
 326         if ((fp = fopen(rcpath, "r")) == NULL) {
 327                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 328                 g_free(rcpath);
 329                 ac->customhdr_list = NULL;
 330                 return;
 331         }
 332         g_free(rcpath);
 333
 334         /* remove all previous headers list */
 335         while (ac->customhdr_list != NULL) {
 336                 ch = (CustomHeader *)ac->customhdr_list->data;
 337                 custom_header_free(ch);
 338                 ac->customhdr_list = g_slist_remove(ac->customhdr_list, ch);
 339         }
 340
 341         while (fgets(buf, sizeof(buf), fp) != NULL) {
 342                 g_strchomp(buf);
 343                 ch = custom_header_read_str(buf);
 344                 if (ch) {
 345                         if (ch->account_id == ac->account_id) {
 346                                 ac->customhdr_list =
 347                                         g_slist_append(ac->customhdr_list, ch);
 348                         } else
 349                                 custom_header_free(ch);
 350                 }
 351         }
 352
 353         fclose(fp);
 354 }
 355
 356 void prefs_custom_header_write_config(PrefsAccount *ac)
 357 {
 358         gchar *rcpath;
 359         PrefFile *pfile;
 360         GSList *cur;
 361         gchar buf[PREFSBUFSIZE];
 362         FILE * fp;
 363         CustomHeader *ch;
 364
 365         GSList *all_hdrs = NULL;
 366
 367         debug_print(_("Writing custom header configuration...\n"));
 368
 369         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 370                              CUSTOM_HEADER_RC, NULL);
 371
 372         if ((fp = fopen(rcpath, "r")) == NULL) {
 373                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 374         } else {
 375                 all_hdrs = NULL;
 376
 377                 while (fgets(buf, sizeof(buf), fp) != NULL) {
 378                         g_strchomp(buf);
 379                         ch = custom_header_read_str(buf);
 380                         if (ch) {
 381                                 if (ch->account_id != ac->account_id)
 382                                         all_hdrs =
 383                                                 g_slist_append(all_hdrs, ch);
 384                                 else
 385                                         custom_header_free(ch);
 386                         }
 387                 }
 388
 389                 fclose(fp);
 390         }
 391
 392         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 393                 g_warning(_("failed to write configuration to file\n"));
 394                 g_free(rcpath);
 395                 return;
 396         }
 397
 398         for (cur = all_hdrs; cur != NULL; cur = cur->next) {
 399                 CustomHeader *hdr = (CustomHeader *)cur->data;
 400                 gchar *chstr;
 401
 402                 chstr = custom_header_get_str(hdr);
 403                 if (fputs(chstr, pfile->fp) == EOF ||
 404                     fputc('\n', pfile->fp) == EOF) {
 405                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 406                         prefs_write_close_revert(pfile);
 407                         g_free(rcpath);
 408                         g_free(chstr);
 409                         return;
 410                 }
 411                 g_free(chstr);
 412         }
 413
 414         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 415                 CustomHeader *hdr = (CustomHeader *)cur->data;
 416                 gchar *chstr;
 417
 418                 chstr = custom_header_get_str(hdr);
 419                 if (fputs(chstr, pfile->fp) == EOF ||
 420                     fputc('\n', pfile->fp) == EOF) {
 421                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 422                         prefs_write_close_revert(pfile);
 423                         g_free(rcpath);
 424                         g_free(chstr);
 425                         return;
 426                 }
 427                 g_free(chstr);
 428         }
 429
 430         g_free(rcpath);
 431
 432         while (all_hdrs != NULL) {
 433                 ch = (CustomHeader *)all_hdrs->data;
 434                 custom_header_free(ch);
 435                 all_hdrs = g_slist_remove(all_hdrs, ch);
 436         }
 437
 438         if (prefs_write_close(pfile) < 0) {
 439                 g_warning(_("failed to write configuration to file\n"));
 440                 return;
 441         }
 442 }
 443
 444 static void prefs_custom_header_set_dialog(PrefsAccount *ac)
 445 {
 446         GtkCList *clist = GTK_CLIST(customhdr.customhdr_clist);
 447         GSList *cur;
 448         gchar *ch_str[1];
 449         gint row;
 450
 451         gtk_clist_freeze(clist);
 452         gtk_clist_clear(clist);
 453
 454         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 455                 CustomHeader *ch = (CustomHeader *)cur->data;
 456
 457                 ch_str[0] = g_strdup_printf("%s: %s", ch->name,
 458                                             ch->value ? ch->value : "");
 459                 row = gtk_clist_append(clist, ch_str);
 460                 gtk_clist_set_row_data(clist, row, ch);
 461
 462                 g_free(ch_str[0]);
 463         }
 464
 465         gtk_clist_thaw(clist);
 466 }
 467
 468 static void prefs_custom_header_set_list(PrefsAccount *ac)
 469 {
 470         gint row = 0;
 471         CustomHeader *ch;
 472
 473         g_slist_free(ac->customhdr_list);
 474         ac->customhdr_list = NULL;
 475
 476         while ((ch = gtk_clist_get_row_data
 477                 (GTK_CLIST(customhdr.customhdr_clist), row)) != NULL) {
 478                 ac->customhdr_list = g_slist_append(ac->customhdr_list, ch);
 479                 row++;
 480         }
 481 }
 482
 483 static gint prefs_custom_header_clist_set_row(PrefsAccount *ac, gint row)
 484 {
 485         GtkCList *clist = GTK_CLIST(customhdr.customhdr_clist);
 486         CustomHeader *ch;
 487         gchar *entry_text;
 488         gchar *ch_str[1];
 489
 490         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 491         if (entry_text[0] == '\0') {
 492                 alertpanel_error(_("Header name is not set."));
 493                 return -1;
 494         }
 495
 496         ch = g_new0(CustomHeader, 1);
 497
 498         ch->account_id = ac->account_id;
 499
 500         ch->name = g_strdup(entry_text);
 501         unfold_line(ch->name);
 502
 503         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.val_entry));
 504         if (entry_text[0] != '\0') {
 505                 ch->value = g_strdup(entry_text);
 506                 unfold_line(ch->value);
 507         }
 508
 509         ch_str[0] = g_strdup_printf("%s: %s", ch->name,
 510                                     ch->value ? ch->value : "");
 511
 512         if (row < 0)
 513                 row = gtk_clist_append(clist, ch_str);
 514         else {
 515                 CustomHeader *tmp_ch;
 516
 517                 gtk_clist_set_text(clist, row, 0, ch_str[0]);
 518                 tmp_ch = gtk_clist_get_row_data(clist, row);
 519                 if (tmp_ch)
 520                         custom_header_free(tmp_ch);
 521         }
 522
 523         gtk_clist_set_row_data(clist, row, ch);
 524
 525         g_free(ch_str[0]);
 526
 527         prefs_custom_header_set_list(cur_ac);
 528
 529         return row;
 530 }
 531
 532 static void prefs_custom_header_add_cb(void)
 533 {
 534         prefs_custom_header_clist_set_row(cur_ac, -1);
 535 }
 536
 537 static void prefs_custom_header_delete_cb(void)
 538 {
 539         GtkCList *clist = GTK_CLIST(customhdr.customhdr_clist);
 540         CustomHeader *ch;
 541         gint row;
 542
 543         if (!clist->selection) return;
 544         row = GPOINTER_TO_INT(clist->selection->data);
 545
 546         if (alertpanel(_("Delete header"),
 547                        _("Do you really want to delete this header?"),
 548                        _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 549                 return;
 550
 551         ch = gtk_clist_get_row_data(clist, row);
 552         custom_header_free(ch);
 553         gtk_clist_remove(clist, row);
 554         cur_ac->customhdr_list = g_slist_remove(cur_ac->customhdr_list, ch);
 555 }
 556
 557 static void prefs_custom_header_up(void)
 558 {
 559         GtkCList *clist = GTK_CLIST(customhdr.customhdr_clist);
 560         gint row;
 561
 562         if (!clist->selection) return;
 563
 564         row = GPOINTER_TO_INT(clist->selection->data);
 565         if (row > 0)
 566                 gtk_clist_row_move(clist, row, row - 1);
 567 }
 568
 569 static void prefs_custom_header_down(void)
 570 {
 571         GtkCList *clist = GTK_CLIST(customhdr.customhdr_clist);
 572         gint row;
 573
 574         if (!clist->selection) return;
 575
 576         row = GPOINTER_TO_INT(clist->selection->data);
 577         if (row >= 0 && row < clist->rows - 1)
 578                 gtk_clist_row_move(clist, row, row + 1);
 579 }
 580
 581 #define ENTRY_SET_TEXT(entry, str) \
 582         gtk_entry_set_text(GTK_ENTRY(entry), str ? str : "")
 583
 584 static void prefs_custom_header_select(GtkCList *clist, gint row, gint column,
 585                                        GdkEvent *event)
 586 {
 587         CustomHeader *ch;
 588         CustomHeader default_ch = { 0, "", NULL };
 589
 590         ch = gtk_clist_get_row_data(clist, row);
 591         if (!ch) ch = &default_ch;
 592
 593         ENTRY_SET_TEXT(customhdr.hdr_entry, ch->name);
 594         ENTRY_SET_TEXT(customhdr.val_entry, ch->value);
 595 }
 596
 597 #undef ENTRY_SET_TEXT
 598
 599 static void prefs_custom_header_row_moved(GtkCList *clist, gint source_row,
 600                                           gint dest_row, gpointer data)
 601 {
 602         prefs_custom_header_set_list(cur_ac);
 603 }
 604
 605 static void prefs_custom_header_key_pressed(GtkWidget *widget,
 606                                             GdkEventKey *event,
 607                                             gpointer data)
 608 {
 609         if (event && event->keyval == GDK_Escape)
 610                 prefs_custom_header_cancel();
 611 }
 612
 613 static void prefs_custom_header_ok(void)
 614 {
 615         prefs_custom_header_write_config(cur_ac);
 616         gtk_widget_hide(customhdr.window);
 617 }
 618
 619 static void prefs_custom_header_cancel(void)
 620 {
 621         prefs_custom_header_read_config(cur_ac);
 622         gtk_widget_hide(customhdr.window);
 623 }
 624
 625 static gint prefs_custom_header_deleted(GtkWidget *widget, GdkEventAny *event,
 626                                         gpointer data)
 627 {
 628         prefs_custom_header_cancel();
 629         return TRUE;
 630 }