src/grouplistdialog.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2022 the Claws Mail team and 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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <gtk/gtk.h>
  31 #include <string.h>
  32
  33 #include "grouplistdialog.h"
  34 #include "mainwindow.h"
  35 #include "manage_window.h"
  36 #include "gtkutils.h"
  37 #include "utils.h"
  38 #include "news.h"
  39 #include "folder.h"
  40 #include "alertpanel.h"
  41 #include "recv.h"
  42 #include "socket.h"
  43 #include "prefs_common.h"
  44
  45 #define GROUPLIST_DIALOG_WIDTH          450
  46 #define GROUPLIST_DIALOG_HEIGHT         400
  47 #define GROUPLIST_COL_NAME_WIDTH        250
  48
  49 static gboolean ack;
  50 static gboolean locked;
  51
  52 static GtkWidget *dialog;
  53 static GtkWidget *entry;
  54 static GtkWidget *ctree;
  55 static GtkWidget *status_label;
  56 static GtkWidget *ok_button;
  57 static GSList *group_list;
  58 static Folder *news_folder;
  59
  60 static GSList *subscribed;
  61
  62 static void grouplist_dialog_create     (void);
  63 static void grouplist_dialog_set_list   (const gchar    *pattern,
  64                                          gboolean        refresh);
  65 static void grouplist_search            (void);
  66 static void grouplist_clear             (void);
  67 static gboolean grouplist_recv_func     (SockInfo       *sock,
  68                                          gint            count,
  69                                          gint            read_bytes,
  70                                          gpointer        data);
  71 static void grouplist_size_allocate     (GtkWidget *widget,
  72                                          GtkAllocation *allocation);
  73
  74 static gint window_deleted      (GtkWidget      *widget,
  75                                  GdkEventAny    *event,
  76                                  gpointer        data);
  77 static void ok_clicked          (GtkWidget      *widget,
  78                                  gpointer        data);
  79 static void cancel_clicked      (GtkWidget      *widget,
  80                                  gpointer        data);
  81 static void refresh_clicked     (GtkWidget      *widget,
  82                                  gpointer        data);
  83 static gboolean key_pressed     (GtkWidget      *widget,
  84                                  GdkEventKey    *event,
  85                                  gpointer        data);
  86 static gboolean button_press_cb (GtkCMCTree     *ctree,
  87                                  GdkEventButton *button,
  88                                  gpointer        data);
  89 static void entry_activated     (GtkEditable    *editable);
  90 static void search_clicked      (GtkWidget      *widget,
  91                                  gpointer        data);
  92
  93 GSList *grouplist_dialog(Folder *folder)
  94 {
  95         GNode *node;
  96         FolderItem *item;
  97
  98         if (dialog && gtk_widget_get_visible(dialog)) return NULL;
  99
 100         if (!dialog)
 101                 grouplist_dialog_create();
 102
 103         news_folder = folder;
 104
 105         gtk_widget_show(dialog);
 106         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 107         manage_window_set_transient(GTK_WINDOW(dialog));
 108         gtk_widget_grab_focus(ok_button);
 109         gtk_widget_grab_focus(ctree);
 110         GTK_EVENTS_FLUSH();
 111
 112         subscribed = NULL;
 113         for (node = folder->node->children; node != NULL; node = node->next) {
 114                 item = FOLDER_ITEM(node->data);
 115                 subscribed = g_slist_append(subscribed, g_strdup(item->path));
 116         }
 117
 118         grouplist_dialog_set_list(NULL, TRUE);
 119
 120         if (ack) gtk_main();
 121
 122         manage_window_focus_out(dialog, NULL, NULL);
 123         gtk_widget_hide(dialog);
 124
 125         if (!ack) {
 126                 slist_free_strings_full(subscribed);
 127                 subscribed = NULL;
 128
 129                 for (node = folder->node->children; node != NULL;
 130                      node = node->next) {
 131                         item = FOLDER_ITEM(node->data);
 132                         subscribed = g_slist_append(subscribed,
 133                                                     g_strdup(item->path));
 134                 }
 135         }
 136
 137         grouplist_clear();
 138
 139         return subscribed;
 140 }
 141
 142 static void grouplist_dialog_create(void)
 143 {
 144         GtkWidget *grid;
 145         GtkWidget *hgrid;
 146         GtkWidget *msg_label;
 147         GtkWidget *search_button;
 148         GtkWidget *cancel_button;
 149         GtkWidget *refresh_button;
 150         GtkWidget *scrolledwin;
 151         static GdkGeometry geometry;
 152         gchar *titles[3];
 153         gint i;
 154
 155         dialog = gtk_dialog_new();
 156         gtk_window_set_resizable(GTK_WINDOW(dialog), TRUE);
 157         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
 158         gtk_window_set_title(GTK_WINDOW(dialog), _("Newsgroup subscription"));
 159         g_signal_connect(G_OBJECT(dialog), "delete_event",
 160                          G_CALLBACK(window_deleted), NULL);
 161         g_signal_connect(G_OBJECT(dialog), "key_press_event",
 162                          G_CALLBACK(key_pressed), NULL);
 163         g_signal_connect(G_OBJECT(dialog), "size_allocate",
 164                          G_CALLBACK(grouplist_size_allocate), NULL);
 165         MANAGE_WINDOW_SIGNALS_CONNECT(dialog);
 166
 167         grid = gtk_grid_new();
 168         gtk_grid_set_row_spacing(GTK_GRID(grid), 8);
 169         gtk_container_set_border_width(GTK_CONTAINER(grid), 8);
 170         gtk_orientable_set_orientation(GTK_ORIENTABLE(grid),
 171                         GTK_ORIENTATION_VERTICAL);
 172         gtk_container_add(GTK_CONTAINER(
 173                                 gtk_dialog_get_content_area(GTK_DIALOG(dialog))), grid);
 174
 175         msg_label = gtk_label_new(_("Select newsgroups for subscription:"));
 176         gtk_widget_set_hexpand(msg_label, TRUE);
 177         gtk_widget_set_vexpand(msg_label, FALSE);
 178         gtk_widget_set_halign(msg_label, GTK_ALIGN_START);
 179         gtk_container_add(GTK_CONTAINER(grid), msg_label);
 180
 181         hgrid = gtk_grid_new();
 182         gtk_grid_set_column_spacing(GTK_GRID(hgrid), 8);
 183         gtk_orientable_set_orientation(GTK_ORIENTABLE(hgrid),
 184                         GTK_ORIENTATION_HORIZONTAL);
 185         gtk_widget_set_hexpand(hgrid, TRUE);
 186         gtk_widget_set_vexpand(hgrid, FALSE);
 187         gtk_container_add(GTK_CONTAINER(grid), hgrid);
 188
 189         msg_label = gtk_label_new(_("Find groups:"));
 190         gtk_container_add(GTK_CONTAINER(hgrid), msg_label);
 191
 192         entry = gtk_entry_new();
 193         gtk_widget_set_hexpand(entry, TRUE);
 194         gtk_container_add(GTK_CONTAINER(hgrid), entry);
 195         g_signal_connect(G_OBJECT(entry), "activate",
 196                          G_CALLBACK(entry_activated), NULL);
 197
 198         search_button = gtk_button_new_with_label(_(" Search "));
 199         gtk_container_add(GTK_CONTAINER(hgrid), search_button);
 200
 201         g_signal_connect(G_OBJECT(search_button), "clicked",
 202                          G_CALLBACK(search_clicked), NULL);
 203
 204         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 205         gtk_widget_set_hexpand(scrolledwin, TRUE);
 206         gtk_widget_set_vexpand(scrolledwin, TRUE);
 207         gtk_container_add(GTK_CONTAINER(grid), scrolledwin);
 208         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (scrolledwin),
 209                                        GTK_POLICY_AUTOMATIC,
 210                                        GTK_POLICY_AUTOMATIC);
 211
 212         titles[0] = _("Newsgroup name");
 213         titles[1] = _("Messages");
 214         titles[2] = _("Type");
 215         ctree = gtk_sctree_new_with_titles(3, 0, titles);
 216         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 217         gtk_cmclist_set_column_width
 218                 (GTK_CMCLIST(ctree), 0, GROUPLIST_COL_NAME_WIDTH);
 219         gtk_cmclist_set_column_auto_resize(GTK_CMCLIST(ctree), 0, TRUE);
 220         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_MULTIPLE);
 221
 222         gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
 223                                 GTK_CMCTREE_EXPANDER_TRIANGLE);
 224
 225         for (i = 0; i < 3; i++)
 226                 gtk_widget_set_can_focus(GTK_CMCLIST(ctree)->column[i].button, FALSE);
 227         g_signal_connect(G_OBJECT(ctree), "button-press-event",
 228                          G_CALLBACK(button_press_cb), NULL);
 229
 230         status_label = gtk_label_new("");
 231         gtk_widget_set_hexpand(status_label, TRUE);
 232         gtk_widget_set_vexpand(status_label, FALSE);
 233         gtk_widget_set_halign(status_label, GTK_ALIGN_START);
 234         gtk_container_add(GTK_CONTAINER(grid), status_label);
 235
 236         refresh_button = gtk_dialog_add_button(GTK_DIALOG(dialog), _("_Refresh"),
 237                                                GTK_RESPONSE_NONE);
 238         cancel_button = gtk_dialog_add_button(GTK_DIALOG(dialog),_("_Cancel"),
 239                                               GTK_RESPONSE_NONE);
 240         ok_button = gtk_dialog_add_button(GTK_DIALOG(dialog),_("_OK"),
 241                                           GTK_RESPONSE_NONE);
 242         gtk_widget_grab_default(ok_button);
 243
 244         g_signal_connect(G_OBJECT(ok_button), "clicked",
 245                          G_CALLBACK(ok_clicked), NULL);
 246         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 247                          G_CALLBACK(cancel_clicked), NULL);
 248         g_signal_connect(G_OBJECT(refresh_button), "clicked",
 249                          G_CALLBACK(refresh_clicked), NULL);
 250
 251         if (!geometry.min_width) {
 252                 geometry.min_width = GROUPLIST_DIALOG_WIDTH;
 253                 geometry.min_height = GROUPLIST_DIALOG_HEIGHT;
 254         }
 255
 256         gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
 257                                       GDK_HINT_MIN_SIZE);
 258         gtk_window_set_default_size(GTK_WINDOW(dialog),
 259                                         prefs_common.news_subscribe_width,
 260                                         prefs_common.news_subscribe_height);
 261
 262         gtk_widget_show_all(gtk_dialog_get_content_area(GTK_DIALOG(dialog)));
 263 }
 264
 265 static GHashTable *branch_node_table;
 266
 267 static void grouplist_hash_init(void)
 268 {
 269         branch_node_table = g_hash_table_new(g_str_hash, g_str_equal);
 270 }
 271
 272 static void grouplist_hash_done(void)
 273 {
 274         hash_free_strings(branch_node_table);
 275         g_hash_table_destroy(branch_node_table);
 276 }
 277
 278 static GtkCMCTreeNode *grouplist_hash_get_branch_node(const gchar *name)
 279 {
 280         return g_hash_table_lookup(branch_node_table, name);
 281 }
 282
 283 static void grouplist_hash_set_branch_node(const gchar *name,
 284                                            GtkCMCTreeNode *node)
 285 {
 286         g_hash_table_insert(branch_node_table, g_strdup(name), node);
 287 }
 288
 289 static gchar *grouplist_get_parent_name(const gchar *name)
 290 {
 291         gchar *p;
 292
 293         p = strrchr(name, '.');
 294         if (!p)
 295                 return g_strdup("");
 296         return g_strndup(name, p - name);
 297 }
 298
 299 static GtkCMCTreeNode *grouplist_create_parent(const gchar *name,
 300                                              const gchar *pattern)
 301 {
 302         GtkCMCTreeNode *parent;
 303         GtkCMCTreeNode *node;
 304         gchar *cols[3];
 305         gchar *parent_name;
 306
 307         if (*name == '\0') return NULL;
 308         node = grouplist_hash_get_branch_node(name);
 309         if (node != NULL) return node;
 310
 311         cols[0] = (gchar *)name;
 312         cols[1] = cols[2] = "";
 313
 314         parent_name = grouplist_get_parent_name(name);
 315         parent = grouplist_create_parent(parent_name, pattern);
 316
 317         node = parent ? GTK_CMCTREE_ROW(parent)->children
 318                 : GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 319         node = gtk_sctree_insert_node(GTK_CMCTREE(ctree), parent, node,
 320                                      cols, 0, NULL, NULL,
 321                                      FALSE, FALSE);
 322         if (parent && g_pattern_match_simple(pattern, parent_name) == FALSE)
 323                 gtk_cmctree_expand(GTK_CMCTREE(ctree), parent);
 324         gtk_cmctree_node_set_selectable(GTK_CMCTREE(ctree), node, FALSE);
 325
 326         grouplist_hash_set_branch_node(name, node);
 327
 328         g_free(parent_name);
 329
 330         return node;
 331 }
 332
 333 static GtkCMCTreeNode *grouplist_create_branch(NewsGroupInfo *ginfo,
 334                                              const gchar *pattern)
 335 {
 336         GtkCMCTreeNode *node;
 337         GtkCMCTreeNode *parent;
 338         gchar *name = (gchar *)ginfo->name;
 339         gchar *parent_name;
 340         gchar *count_str;
 341         gchar *cols[3];
 342         gint count;
 343
 344         count = ginfo->last - ginfo->first;
 345         if (count < 0)
 346                 count = 0;
 347         count_str = itos(count);
 348
 349         cols[0] = ginfo->name;
 350         cols[1] = count_str;
 351         if (ginfo->type == 'y')
 352                 cols[2] = "";
 353         else if (ginfo->type == 'm')
 354                 cols[2] = _("moderated");
 355         else if (ginfo->type == 'n')
 356                 cols[2] = _("read-only");
 357         else
 358                 cols[2] = _("unknown");
 359
 360         parent_name = grouplist_get_parent_name(name);
 361         parent = grouplist_create_parent(parent_name, pattern);
 362         node = grouplist_hash_get_branch_node(name);
 363         if (node) {
 364                 gtk_cmctree_set_node_info(GTK_CMCTREE(ctree), node, cols[0], 0,
 365                                         NULL, NULL, FALSE, FALSE);
 366                 gtk_cmctree_node_set_text(GTK_CMCTREE(ctree), node, 1, cols[1]);
 367                 gtk_cmctree_node_set_text(GTK_CMCTREE(ctree), node, 2, cols[2]);
 368         } else {
 369                 node = parent ? GTK_CMCTREE_ROW(parent)->children
 370                         : GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 371                 node = gtk_sctree_insert_node(GTK_CMCTREE(ctree), parent, node,
 372                                              cols, 0, NULL, NULL,
 373                                              TRUE, FALSE);
 374                 if (parent &&
 375                     g_pattern_match_simple(pattern, parent_name) == FALSE)
 376                         gtk_cmctree_expand(GTK_CMCTREE(ctree), parent);
 377         }
 378         gtk_cmctree_node_set_selectable(GTK_CMCTREE(ctree), node, TRUE);
 379         if (node)
 380                 gtk_cmctree_node_set_row_data(GTK_CMCTREE(ctree), node, ginfo);
 381
 382         g_free(parent_name);
 383
 384         return node;
 385 }
 386
 387 static void grouplist_expand_upwards(GtkCMCTree *ctree, const gchar *name) {
 388         const gchar *ptr;
 389         gchar *newname=g_malloc0(strlen(name) + 1);
 390         GtkCMCTreeNode *node;
 391
 392         for (ptr=name; *ptr; ptr++) {
 393                 if (*ptr == '.') {
 394                         node = grouplist_hash_get_branch_node(newname);
 395                         if (node != NULL)
 396                                 gtk_cmctree_expand(ctree, node);
 397                 }
 398                 newname[ptr-name] = *ptr;
 399         }
 400         g_free(newname);
 401 }
 402
 403 static void grouplist_dialog_set_list(const gchar *pattern, gboolean refresh)
 404 {
 405         static GdkCursor *watch_cursor = NULL;
 406         GSList *cur;
 407         GtkCMCTreeNode *node;
 408         GPatternSpec *pspec;
 409         GdkWindow *window;
 410
 411         if (locked) return;
 412         locked = TRUE;
 413
 414         if (!pattern || *pattern == '\0')
 415                 pattern = "*";
 416
 417         window = gtk_widget_get_window(dialog);
 418         if (!watch_cursor)
 419                 watch_cursor = gdk_cursor_new_for_display(
 420                                 gdk_window_get_display(window), GDK_WATCH);
 421         gdk_window_set_cursor(window, watch_cursor);
 422         main_window_cursor_wait(mainwindow_get_mainwindow());
 423         GTK_EVENTS_FLUSH();
 424
 425         if (refresh) {
 426                 ack = TRUE;
 427                 grouplist_clear();
 428                 recv_set_ui_func(grouplist_recv_func, NULL);
 429                 group_list = news_get_group_list(news_folder);
 430                 group_list = g_slist_reverse(group_list);
 431                 recv_set_ui_func(NULL, NULL);
 432                 if (group_list == NULL && ack == TRUE) {
 433                         alertpanel_error(_("Can't retrieve newsgroup list."));
 434                         locked = FALSE;
 435                         gdk_window_set_cursor(window, NULL);
 436                         main_window_cursor_normal(mainwindow_get_mainwindow());
 437                         return;
 438                 }
 439         } else
 440                 gtk_cmclist_clear(GTK_CMCLIST(ctree));
 441
 442         gtk_entry_set_text(GTK_ENTRY(entry), pattern);
 443
 444         grouplist_hash_init();
 445
 446         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 447
 448         pspec = g_pattern_spec_new(pattern);
 449
 450         for (cur = group_list; cur != NULL ; cur = cur->next) {
 451                 NewsGroupInfo *ginfo = (NewsGroupInfo *)cur->data;
 452 #if GLIB_CHECK_VERSION(2,70,0)
 453                 if (g_pattern_spec_match_string(pspec, ginfo->name)) {
 454 #else
 455                 if (g_pattern_match_string(pspec, ginfo->name)) {
 456 #endif
 457                         node = grouplist_create_branch(ginfo, pattern);
 458                         if (g_slist_find_custom(subscribed, ginfo->name,
 459                                                 (GCompareFunc)g_ascii_strcasecmp)
 460                             != NULL)
 461                                 gtk_cmctree_select(GTK_CMCTREE(ctree), node);
 462                 }
 463         }
 464         for (cur = subscribed; cur; cur = g_slist_next(cur))
 465                 grouplist_expand_upwards(GTK_CMCTREE(ctree), (gchar *)cur->data);
 466
 467         g_pattern_spec_free(pspec);
 468
 469         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 470
 471         grouplist_hash_done();
 472
 473         gtk_label_set_text(GTK_LABEL(status_label), _("Done."));
 474
 475         gdk_window_set_cursor(window, NULL);
 476         main_window_cursor_normal(mainwindow_get_mainwindow());
 477
 478         locked = FALSE;
 479 }
 480
 481 static void grouplist_search(void)
 482 {
 483         gchar *str;
 484
 485         if (locked) return;
 486
 487         str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
 488         grouplist_dialog_set_list(str, FALSE);
 489         g_free(str);
 490 }
 491
 492 static void grouplist_clear(void)
 493 {
 494         gtk_cmclist_clear(GTK_CMCLIST(ctree));
 495         gtk_entry_set_text(GTK_ENTRY(entry), "");
 496         news_group_list_free(group_list);
 497         group_list = NULL;
 498 }
 499
 500 static gboolean grouplist_recv_func(SockInfo *sock, gint count, gint read_bytes,
 501                                     gpointer data)
 502 {
 503         gchar buf[BUFFSIZE];
 504
 505         g_snprintf(buf, sizeof(buf),
 506                    _("%d newsgroups received (%s read)"),
 507                    count, to_human_readable((goffset)read_bytes));
 508         gtk_label_set_text(GTK_LABEL(status_label), buf);
 509         GTK_EVENTS_FLUSH();
 510         if (ack == FALSE)
 511                 return FALSE;
 512         else
 513                 return TRUE;
 514 }
 515
 516 static void grouplist_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
 517 {
 518         cm_return_if_fail( allocation != NULL );
 519
 520         gtk_window_get_size(GTK_WINDOW(widget),
 521                 &prefs_common.news_subscribe_width, &prefs_common.news_subscribe_height);
 522 }
 523
 524 static gint window_deleted(GtkWidget *widget, GdkEventAny *event, gpointer data)
 525 {
 526         ack = FALSE;
 527         if (gtk_main_level() > 1)
 528                 gtk_main_quit();
 529
 530         return TRUE;
 531 }
 532
 533 static void ok_clicked(GtkWidget *widget, gpointer data)
 534 {
 535         ack = TRUE;
 536         if (gtk_main_level() > 1)
 537                 gtk_main_quit();
 538 }
 539
 540 static void cancel_clicked(GtkWidget *widget, gpointer data)
 541 {
 542         ack = FALSE;
 543         if (gtk_main_level() > 1)
 544                 gtk_main_quit();
 545 }
 546
 547 static void refresh_clicked(GtkWidget *widget, gpointer data)
 548 {
 549         gchar *str;
 550
 551         if (locked) return;
 552
 553         news_remove_group_list_cache(news_folder);
 554
 555         str = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
 556         grouplist_dialog_set_list(str, TRUE);
 557         g_free(str);
 558 }
 559
 560 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 561 {
 562         if (event && event->keyval == GDK_KEY_Escape)
 563                 cancel_clicked(NULL, NULL);
 564         return FALSE;
 565 }
 566
 567 /* clist/ctree clear old selection on click (gtk2 only)
 568  * - intercept all button clicks (always return TRUE)
 569  * - only allow left button single click
 570  * - handle click on expander
 571  * - update "subscribed" list and un-/select row
 572  */
 573 static gboolean button_press_cb(GtkCMCTree *ctree, GdkEventButton *button,
 574                                 gpointer data)
 575 {
 576         gint row, col;
 577         GtkCMCTreeNode *node;
 578         NewsGroupInfo *ginfo;
 579         GSList *list;
 580
 581         if (button->type != GDK_BUTTON_PRESS) return TRUE;
 582         if (button->button != 1) return TRUE;
 583         if (button->window != GTK_CMCLIST(ctree)->clist_window) return TRUE;
 584
 585         if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree),
 586                                      button->x, button->y, &row, &col))
 587                 return TRUE;
 588         node = gtk_cmctree_node_nth(ctree, row);
 589         if (!node) return TRUE;
 590
 591         if (gtk_cmctree_is_hot_spot(ctree, button->x, button->y)) {
 592                 gtk_cmctree_toggle_expansion(ctree, node);
 593                 return TRUE;
 594         }
 595
 596         ginfo = gtk_cmctree_node_get_row_data(ctree, node);
 597         if (!ginfo) return TRUE;
 598
 599         list = g_slist_find_custom(subscribed, ginfo->name,
 600                                    (GCompareFunc)g_ascii_strcasecmp);
 601         if (list) {
 602                 g_free(list->data);
 603                 subscribed = g_slist_remove(subscribed, list->data);
 604                 gtk_cmclist_unselect_row(GTK_CMCLIST(ctree), row, 0);
 605         } else {
 606                 subscribed = g_slist_append(subscribed, g_strdup(ginfo->name));
 607                 gtk_cmclist_select_row(GTK_CMCLIST(ctree), row, 0);
 608         }
 609
 610         return TRUE;
 611 }
 612
 613 static void entry_activated(GtkEditable *editable)
 614 {
 615         grouplist_search();
 616 }
 617
 618 static void search_clicked(GtkWidget *widget, gpointer data)
 619 {
 620         grouplist_search();
 621 }