src/folderview.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 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkwidget.h>
  25 #include <gtk/gtkscrolledwindow.h>
  26 #include <gtk/gtkctree.h>
  27 #include <gtk/gtkcontainer.h>
  28 #include <gtk/gtkclist.h>
  29 #include <gtk/gtkstyle.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkmain.h>
  32 #include <gtk/gtkstatusbar.h>
  33 #include <gtk/gtkmenu.h>
  34 #include <gtk/gtkmenuitem.h>
  35 #include <gtk/gtkitemfactory.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <stdlib.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "inputdialog.h"
  46 #include "manage_window.h"
  47 #include "alertpanel.h"
  48 #include "menu.h"
  49 #include "procmsg.h"
  50 #include "utils.h"
  51 #include "gtkutils.h"
  52 #include "prefs_common.h"
  53 #include "prefs_account.h"
  54 #include "account.h"
  55 #include "folder.h"
  56 #include "grouplist_dialog.h"
  57
  58 #include "pixmaps/inbox.xpm"
  59 #include "pixmaps/outbox.xpm"
  60 #include "pixmaps/dir-close.xpm"
  61 #include "pixmaps/dir-open.xpm"
  62 #include "pixmaps/trash.xpm"
  63
  64 typedef enum
  65 {
  66         COL_FOLDER      = 0,
  67         COL_NEW         = 1,
  68         COL_UNREAD      = 2,
  69         COL_TOTAL       = 3
  70 } FolderColumnPos;
  71
  72 #define N_FOLDER_COLS           4
  73 #define COL_FOLDER_WIDTH        150
  74 #define COL_NUM_WIDTH           32
  75
  76 #define STATUSBAR_PUSH(mainwin, str) \
  77 { \
  78         gtk_statusbar_push(GTK_STATUSBAR(mainwin->statusbar), \
  79                            mainwin->folderview_cid, str); \
  80         gtkut_widget_wait_for_draw(mainwin->hbox_stat); \
  81 }
  82
  83 #define STATUSBAR_POP(mainwin) \
  84 { \
  85         gtk_statusbar_pop(GTK_STATUSBAR(mainwin->statusbar), \
  86                           mainwin->folderview_cid); \
  87 }
  88
  89 static GList *folderview_list = NULL;
  90
  91 static GdkFont *normalfont;
  92 static GdkFont *boldfont;
  93
  94 static GdkPixmap *inboxxpm;
  95 static GdkBitmap *inboxxpmmask;
  96 static GdkPixmap *outboxxpm;
  97 static GdkBitmap *outboxxpmmask;
  98 static GdkPixmap *folderxpm;
  99 static GdkBitmap *folderxpmmask;
 100 static GdkPixmap *folderopenxpm;
 101 static GdkBitmap *folderopenxpmmask;
 102 static GdkPixmap *trashxpm;
 103 static GdkBitmap *trashxpmmask;
 104
 105 static void folderview_select_node       (FolderView    *folderview,
 106                                           GtkCTreeNode  *node);
 107 static void folderview_set_folders       (FolderView    *folderview);
 108 static void folderview_sort_folders      (FolderView    *folderview,
 109                                           GtkCTreeNode  *root,
 110                                           Folder        *folder);
 111 static void folderview_append_folder     (FolderView    *folderview,
 112                                           Folder        *folder);
 113 static void folderview_update_node       (FolderView    *folderview,
 114                                           GtkCTreeNode  *node);
 115
 116 static GtkCTreeNode *folderview_find_by_name    (GtkCTree       *ctree,
 117                                                  GtkCTreeNode   *node,
 118                                                  const gchar    *name);
 119
 120 static gint folderview_compare_name     (gconstpointer   a,
 121                                          gconstpointer   b);
 122
 123 /* callback functions */
 124 static void folderview_button_pressed   (GtkWidget      *ctree,
 125                                          GdkEventButton *event,
 126                                          FolderView     *folderview);
 127 static void folderview_button_released  (GtkWidget      *ctree,
 128                                          GdkEventButton *event,
 129                                          FolderView     *folderview);
 130 static void folderview_key_pressed      (GtkWidget      *widget,
 131                                          GdkEventKey    *event,
 132                                          FolderView     *folderview);
 133 static void folderview_selected         (GtkCTree       *ctree,
 134                                          GtkCTreeNode   *row,
 135                                          gint            column,
 136                                          FolderView     *folderview);
 137 static void folderview_tree_expanded    (GtkCTree       *ctree,
 138                                          GtkCTreeNode   *node,
 139                                          FolderView     *folderview);
 140 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 141                                          GtkCTreeNode   *node,
 142                                          FolderView     *folderview);
 143 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 144                                          FolderView     *folderview);
 145 static void folderview_col_resized      (GtkCList       *clist,
 146                                          gint            column,
 147                                          gint            width,
 148                                          FolderView     *folderview);
 149
 150 static void folderview_new_folder_cb    (FolderView     *folderview,
 151                                          guint           action,
 152                                          GtkWidget      *widget);
 153 static void folderview_new_mbox_folder_cb(FolderView *folderview,
 154                                           guint action,
 155                                           GtkWidget *widget);
 156 static void folderview_rename_folder_cb (FolderView     *folderview,
 157                                          guint           action,
 158                                          GtkWidget      *widget);
 159 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
 160                                              guint action,
 161                                              GtkWidget *widget);
 162 static void folderview_delete_folder_cb (FolderView     *folderview,
 163                                          guint           action,
 164                                          GtkWidget      *widget);
 165 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 166                                          guint           action,
 167                                          GtkWidget      *widget);
 168
 169 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 170                                           guint          action,
 171                                           GtkWidget     *widget);
 172 static void folderview_rm_imap_folder_cb (FolderView    *folderview,
 173                                           guint          action,
 174                                           GtkWidget     *widget);
 175 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 176                                           guint          action,
 177                                           GtkWidget     *widget);
 178
 179 static void folderview_new_news_group_cb(FolderView     *folderview,
 180                                          guint           action,
 181                                          GtkWidget      *widget);
 182 static void folderview_rm_news_group_cb (FolderView     *folderview,
 183                                          guint           action,
 184                                          GtkWidget      *widget);
 185 static void folderview_rm_news_server_cb(FolderView     *folderview,
 186                                          guint           action,
 187                                          GtkWidget      *widget);
 188
 189 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 190                                           GdkDragContext *context,
 191                                           gint            x,
 192                                           gint            y,
 193                                           guint           time,
 194                                           FolderView     *folderview);
 195 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 196                                           GdkDragContext   *context,
 197                                           guint             time,
 198                                           FolderView       *folderview);
 199 static void folderview_drag_received_cb  (GtkWidget        *widget,
 200                                           GdkDragContext   *drag_context,
 201                                           gint              x,
 202                                           gint              y,
 203                                           GtkSelectionData *data,
 204                                           guint             info,
 205                                           guint             time,
 206                                           FolderView       *folderview);
 207 static void folderview_scoring_cb(FolderView *folderview, guint action,
 208                                   GtkWidget *widget);
 209
 210 static GtkItemFactoryEntry folderview_mbox_popup_entries[] =
 211 {
 212         {N_("/Create _new folder..."),  NULL, folderview_new_mbox_folder_cb,    0, NULL},
 213         {N_("/_Rename folder..."),      NULL, folderview_rename_mbox_folder_cb, 0, NULL},
 214         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 215         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 216         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 217         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 218         {N_("/_Property..."),           NULL, NULL, 0, NULL},
 219         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 220 };
 221
 222 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 223 {
 224         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 225         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 226         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 227         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 228         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 229         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 230         {N_("/_Property..."),           NULL, NULL, 0, NULL},
 231         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 232 };
 233
 234 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 235 {
 236         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 237         {N_("/_Rename folder..."),      NULL, NULL, 0, NULL},
 238         {N_("/_Delete folder"),         NULL, folderview_rm_imap_folder_cb, 0, NULL},
 239         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 240         {N_("/Remove _IMAP4 server"),   NULL, folderview_rm_imap_server_cb, 0, NULL},
 241         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 242         {N_("/_Property..."),           NULL, NULL, 0, NULL},
 243         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 244 };
 245
 246 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 247 {
 248         {N_("/_Subscribe to newsgroup..."),
 249                                          NULL, folderview_new_news_group_cb, 0, NULL},
 250         {N_("/_Remove newsgroup"),       NULL, folderview_rm_news_group_cb, 0, NULL},
 251         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 252         {N_("/Remove _news server"),     NULL, folderview_rm_news_server_cb, 0, NULL},
 253         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 254         {N_("/_Property..."),            NULL, NULL, 0, NULL},
 255         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 256 };
 257
 258
 259 FolderView *folderview_create(void)
 260 {
 261         FolderView *folderview;
 262         GtkWidget *scrolledwin;
 263         GtkWidget *ctree;
 264         gchar *titles[N_FOLDER_COLS] = {_("Folder"), _("New"),
 265                                         _("Unread"), _("#")};
 266         GtkWidget *mail_popup;
 267         GtkWidget *news_popup;
 268         GtkWidget *imap_popup;
 269         GtkWidget *mbox_popup;
 270         GtkItemFactory *mail_factory;
 271         GtkItemFactory *news_factory;
 272         GtkItemFactory *imap_factory;
 273         GtkItemFactory *mbox_factory;
 274         gint n_entries;
 275         gint i;
 276
 277         debug_print(_("Creating folder view...\n"));
 278         folderview = g_new0(FolderView, 1);
 279
 280         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 281         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 282                                        GTK_POLICY_AUTOMATIC,
 283                                        GTK_POLICY_ALWAYS);
 284         gtk_widget_set_usize(scrolledwin,
 285                              prefs_common.folderview_width,
 286                              prefs_common.folderview_height);
 287
 288         ctree = gtk_ctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 289         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 290         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 291         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 292                                            GTK_JUSTIFY_RIGHT);
 293         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 294                                            GTK_JUSTIFY_RIGHT);
 295         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 296                                            GTK_JUSTIFY_RIGHT);
 297         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 298                                    prefs_common.folder_col_folder);
 299         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 300                                    prefs_common.folder_col_new);
 301         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 302                                    prefs_common.folder_col_unread);
 303         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 304                                    prefs_common.folder_col_total);
 305         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 306         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 307                                      GTK_CTREE_EXPANDER_SQUARE);
 308         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 309
 310         /* don't let title buttons take key focus */
 311         for (i = 0; i < N_FOLDER_COLS; i++)
 312                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 313                                        GTK_CAN_FOCUS);
 314
 315         /* popup menu */
 316         n_entries = sizeof(folderview_mail_popup_entries) /
 317                 sizeof(folderview_mail_popup_entries[0]);
 318         mail_popup = menu_create_items(folderview_mail_popup_entries,
 319                                        n_entries,
 320                                        "<MailFolder>", &mail_factory,
 321                                        folderview);
 322         n_entries = sizeof(folderview_imap_popup_entries) /
 323                 sizeof(folderview_imap_popup_entries[0]);
 324         imap_popup = menu_create_items(folderview_imap_popup_entries,
 325                                        n_entries,
 326                                        "<IMAPFolder>", &imap_factory,
 327                                        folderview);
 328         n_entries = sizeof(folderview_news_popup_entries) /
 329                 sizeof(folderview_news_popup_entries[0]);
 330         news_popup = menu_create_items(folderview_news_popup_entries,
 331                                        n_entries,
 332                                        "<NewsFolder>", &news_factory,
 333                                        folderview);
 334         n_entries = sizeof(folderview_mbox_popup_entries) /
 335                 sizeof(folderview_mbox_popup_entries[0]);
 336         mbox_popup = menu_create_items(folderview_mbox_popup_entries,
 337                                        n_entries,
 338                                        "<MailFolder>", &mbox_factory,
 339                                        folderview);
 340
 341         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 342                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 343                            folderview);
 344         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 345                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 346                            folderview);
 347         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 348                            GTK_SIGNAL_FUNC(folderview_button_released),
 349                            folderview);
 350         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 351                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 352
 353
 354         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 355                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 356                                  folderview);
 357         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 358                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 359                                  folderview);
 360
 361         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 362                            GTK_SIGNAL_FUNC(folderview_col_resized),
 363                            folderview);
 364
 365         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 366                            GTK_SIGNAL_FUNC(folderview_popup_close),
 367                            folderview);
 368         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 369                            GTK_SIGNAL_FUNC(folderview_popup_close),
 370                            folderview);
 371         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 372                            GTK_SIGNAL_FUNC(folderview_popup_close),
 373                            folderview);
 374         gtk_signal_connect(GTK_OBJECT(mbox_popup), "selection_done",
 375                            GTK_SIGNAL_FUNC(folderview_popup_close),
 376                            folderview);
 377
 378         /* drop callback */
 379         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL &
 380                           ~GTK_DEST_DEFAULT_HIGHLIGHT,
 381                           summary_drag_types, 1,
 382                           GDK_ACTION_MOVE);
 383         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 384                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 385                            folderview);
 386         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 387                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 388                            folderview);
 389         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 390                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 391                            folderview);
 392
 393         folderview->scrolledwin  = scrolledwin;
 394         folderview->ctree        = ctree;
 395         folderview->mail_popup   = mail_popup;
 396         folderview->mail_factory = mail_factory;
 397         folderview->imap_popup   = imap_popup;
 398         folderview->imap_factory = imap_factory;
 399         folderview->news_popup   = news_popup;
 400         folderview->news_factory = news_factory;
 401         folderview->mbox_popup   = mbox_popup;
 402         folderview->mbox_factory = mbox_factory;
 403
 404         gtk_widget_show_all(scrolledwin);
 405
 406         folderview_list = g_list_append(folderview_list, folderview);
 407
 408         return folderview;
 409 }
 410
 411 void folderview_init(FolderView *folderview)
 412 {
 413         GtkWidget *ctree = folderview->ctree;
 414
 415         PIXMAP_CREATE(ctree, inboxxpm, inboxxpmmask, inbox_xpm);
 416         PIXMAP_CREATE(ctree, outboxxpm, outboxxpmmask, outbox_xpm);
 417         PIXMAP_CREATE(ctree, folderxpm, folderxpmmask, DIRECTORY_CLOSE_XPM);
 418         PIXMAP_CREATE(ctree, folderopenxpm, folderopenxpmmask,
 419                       DIRECTORY_OPEN_XPM);
 420         PIXMAP_CREATE(ctree, trashxpm, trashxpmmask, trash_xpm);
 421
 422         if (!normalfont)
 423                 normalfont = gdk_fontset_load(NORMAL_FONT);
 424         if (!boldfont)
 425                 boldfont = gdk_fontset_load(BOLD_FONT);
 426 }
 427
 428 void folderview_set(FolderView *folderview)
 429 {
 430         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 431         MainWindow *mainwin = folderview->mainwin;
 432
 433         debug_print(_("Setting folder info...\n"));
 434         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 435
 436         main_window_cursor_wait(mainwin);
 437
 438         folderview->selected = NULL;
 439         folderview->opened = NULL;
 440
 441         gtk_clist_freeze(GTK_CLIST(ctree));
 442         gtk_clist_clear(GTK_CLIST(ctree));
 443         gtk_clist_thaw(GTK_CLIST(ctree));
 444         gtk_clist_freeze(GTK_CLIST(ctree));
 445
 446         folderview_set_folders(folderview);
 447
 448         gtk_clist_thaw(GTK_CLIST(ctree));
 449         main_window_cursor_normal(mainwin);
 450         STATUSBAR_POP(mainwin);
 451 }
 452
 453 void folderview_select(FolderView *folderview, FolderItem *item)
 454 {
 455         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 456         GtkCTreeNode *node;
 457
 458         if (!item) return;
 459
 460         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 461         if (node) folderview_select_node(folderview, node);
 462 }
 463
 464 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 465 {
 466         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 467
 468         g_return_if_fail(node != NULL);
 469
 470         folderview->open_folder = TRUE;
 471         gtk_ctree_select(ctree, node);
 472         gtkut_ctree_set_focus_row(ctree, node);
 473         if (folderview->summaryview->messages > 0)
 474                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 475         else
 476                 gtk_widget_grab_focus(folderview->ctree);
 477
 478         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node))
 479                != NULL)
 480                 gtk_ctree_expand(ctree, node);
 481 }
 482
 483 void folderview_unselect(FolderView *folderview)
 484 {
 485         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 486                 gtk_ctree_collapse
 487                         (GTK_CTREE(folderview->ctree), folderview->opened);
 488
 489         folderview->selected = folderview->opened = NULL;
 490 }
 491
 492 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 493                                                  GtkCTreeNode *node)
 494 {
 495         FolderItem *item;
 496
 497         if (node)
 498                 node = gtkut_ctree_node_next(ctree, node);
 499         else
 500                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 501
 502         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 503                 item = gtk_ctree_node_get_row_data(ctree, node);
 504                 if (item && item->unread > 0 && item->stype != F_TRASH)
 505                         return node;
 506         }
 507
 508         return NULL;
 509 }
 510
 511 void folderview_select_next_unread(FolderView *folderview)
 512 {
 513         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 514         GtkCTreeNode *node = NULL;
 515
 516         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 517             != NULL) {
 518                 folderview_select_node(folderview, node);
 519                 return;
 520         }
 521
 522         if (!folderview->opened ||
 523             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 524                 return;
 525         /* search again from the first node */
 526         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 527                 folderview_select_node(folderview, node);
 528 }
 529
 530 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row,
 531                                gint new, gint unread, gint total)
 532 {
 533         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 534         static GtkCTreeNode *prev_row = NULL;
 535         FolderItem *item;
 536
 537         if (!row) return;
 538
 539         item = gtk_ctree_node_get_row_data(ctree, row);
 540         if (!item) return;
 541         if (prev_row     == row    &&
 542             item->new    == new    &&
 543             item->unread == unread &&
 544             item->total  == total)
 545                 return;
 546
 547         prev_row = row;
 548
 549         item->new    = new;
 550         item->unread = unread;
 551         item->total  = total;
 552
 553         folderview_update_node(folderview, row);
 554 }
 555
 556 static void folderview_set_folders(FolderView *folderview)
 557 {
 558         GList *list;
 559
 560         list = folder_get_list();
 561
 562         for (; list != NULL; list = list->next)
 563                 folderview_append_folder(folderview, FOLDER(list->data));
 564 }
 565
 566 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 567                                       gpointer data)
 568 {
 569         GList *list;
 570
 571         for (list = folderview_list; list != NULL; list = list->next) {
 572                 FolderView *folderview = (FolderView *)list->data;
 573                 MainWindow *mainwin = folderview->mainwin;
 574                 gchar *str;
 575
 576                 if (item->path)
 577                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 578                                               LOCAL_FOLDER(folder)->rootpath,
 579                                               G_DIR_SEPARATOR,
 580                                               item->path);
 581                 else
 582                         str = g_strdup_printf(_("Scanning folder %s ..."),
 583                                               LOCAL_FOLDER(folder)->rootpath);
 584
 585                 STATUSBAR_PUSH(mainwin, str);
 586                 STATUSBAR_POP(mainwin);
 587                 g_free(str);
 588         }
 589 }
 590
 591 static GtkWidget *label_window_create(const gchar *str)
 592 {
 593         GtkWidget *window;
 594         GtkWidget *label;
 595
 596         window = gtk_window_new(GTK_WINDOW_DIALOG);
 597         gtk_widget_set_usize(window, 380, 60);
 598         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 599         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 600         gtk_window_set_title(GTK_WINDOW(window), str);
 601         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 602         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 603         manage_window_set_transient(GTK_WINDOW(window));
 604
 605         label = gtk_label_new(str);
 606         gtk_container_add(GTK_CONTAINER(window), label);
 607         gtk_widget_show(label);
 608
 609         gtk_widget_show_now(window);
 610
 611         return window;
 612 }
 613
 614 void folderview_update_all(void)
 615 {
 616         GList *list;
 617         GtkWidget *window;
 618
 619         window = label_window_create(_("Updating all folders..."));
 620
 621         list = folder_get_list();
 622         for (; list != NULL; list = list->next) {
 623                 Folder *folder = list->data;
 624
 625                 if (!folder->scan_tree) continue;
 626                 folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 627                 folder->scan_tree(folder);
 628                 folder_set_ui_func(folder, NULL, NULL);
 629         }
 630
 631         folder_write_list();
 632
 633         for (list = folderview_list; list != NULL; list = list->next) {
 634                 FolderView *folderview = (FolderView *)list->data;
 635
 636                 folderview_set(folderview);
 637         }
 638
 639         gtk_widget_destroy(window);
 640 }
 641
 642 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 643                                                 GtkCTreeNode *node)
 644 {
 645         FolderItem *item;
 646
 647         if (node) {
 648                 item = gtk_ctree_node_get_row_data(ctree, node);
 649                 if (item) {
 650                         if (item->new > 0 ||
 651                             (item->stype == F_QUEUE && item->total > 0))
 652                                 return TRUE;
 653                 }
 654                 node = GTK_CTREE_ROW(node)->children;
 655         } else
 656                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 657
 658         while (node) {
 659                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 660                         return TRUE;
 661                 node = GTK_CTREE_ROW(node)->sibling;
 662         }
 663
 664         return FALSE;
 665 }
 666
 667 static gboolean folderview_have_new_children(FolderView *folderview,
 668                                              GtkCTreeNode *node)
 669 {
 670         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 671
 672         if (!node)
 673                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 674         if (!node)
 675                 return FALSE;
 676
 677         node = GTK_CTREE_ROW(node)->children;
 678
 679         while (node) {
 680                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 681                         return TRUE;
 682                 node = GTK_CTREE_ROW(node)->sibling;
 683         }
 684
 685         return FALSE;
 686 }
 687
 688 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 689                                                    GtkCTreeNode *node)
 690 {
 691         FolderItem *item;
 692
 693         if (node) {
 694                 item = gtk_ctree_node_get_row_data(ctree, node);
 695                 if (item) {
 696                         if (item->unread > 0 ||
 697                             (item->stype == F_QUEUE && item->total > 0))
 698                                 return TRUE;
 699                 }
 700                 node = GTK_CTREE_ROW(node)->children;
 701         } else
 702                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 703
 704         while (node) {
 705                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 706                         return TRUE;
 707                 node = GTK_CTREE_ROW(node)->sibling;
 708         }
 709
 710         return FALSE;
 711 }
 712
 713 static gboolean folderview_have_unread_children(FolderView *folderview,
 714                                                 GtkCTreeNode *node)
 715 {
 716         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 717
 718         if (!node)
 719                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 720         if (!node)
 721                 return FALSE;
 722
 723         node = GTK_CTREE_ROW(node)->children;
 724
 725         while (node) {
 726                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 727                         return TRUE;
 728                 node = GTK_CTREE_ROW(node)->sibling;
 729         }
 730
 731         return FALSE;
 732 }
 733
 734 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 735 {
 736         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 737         GtkStyle *style, *prev_style, *ctree_style;
 738         GtkCTreeNode *parent;
 739         FolderItem *item;
 740         GdkPixmap *xpm, *openxpm;
 741         GdkBitmap *mask, *openmask;
 742         gchar *name;
 743         gchar *str;
 744         gboolean add_unread_mark;
 745         gboolean use_bold, use_color;
 746
 747         item = gtk_ctree_node_get_row_data(ctree, node);
 748         g_return_if_fail(item != NULL);
 749
 750         switch (item->stype) {
 751         case F_INBOX:
 752                 xpm = openxpm = inboxxpm;
 753                 mask = openmask = inboxxpmmask;
 754                 name = g_strdup(_("Inbox"));
 755                 break;
 756         case F_OUTBOX:
 757                 xpm = openxpm = outboxxpm;
 758                 mask = openmask = outboxxpmmask;
 759                 name = g_strdup(_("Outbox"));
 760                 break;
 761         case F_QUEUE:
 762                 xpm = openxpm = outboxxpm;
 763                 mask = openmask = outboxxpmmask;
 764                 name = g_strdup(_("Queue"));
 765                 break;
 766         case F_TRASH:
 767                 xpm = openxpm = trashxpm;
 768                 mask = openmask = trashxpmmask;
 769                 name = g_strdup(_("Trash"));
 770                 break;
 771         case F_DRAFT:
 772                 xpm = folderxpm;
 773                 mask = folderxpmmask;
 774                 openxpm = folderopenxpm;
 775                 openmask = folderopenxpmmask;
 776                 name = g_strdup(_("Draft"));
 777                 break;
 778         default:
 779                 xpm = folderxpm;
 780                 mask = folderxpmmask;
 781                 openxpm = folderopenxpm;
 782                 openmask = folderopenxpmmask;
 783                 if (!item->parent) {
 784                         switch (item->folder->type) {
 785                         case F_MH:
 786                                 name = " (MH)"; break;
 787                         case F_MBOX:
 788                                 name = " (mbox)"; break;
 789                         case F_IMAP:
 790                                 name = " (IMAP4)"; break;
 791                         case F_NEWS:
 792                                 name = " (News)"; break;
 793                         default:
 794                                 name = "";
 795                         }
 796                         name = g_strconcat(item->name, name, NULL);
 797                 } else
 798                         name = g_strdup(item->name);
 799         }
 800
 801         if (!GTK_CTREE_ROW(node)->expanded &&
 802             folderview_have_unread_children(folderview, node))
 803                 add_unread_mark = TRUE;
 804         else
 805                 add_unread_mark = FALSE;
 806
 807         if (item->stype == F_QUEUE && item->total > 0 &&
 808             prefs_common.display_folder_unread) {
 809                 str = g_strdup_printf("%s (%d%s)", name, item->total,
 810                                       add_unread_mark ? "+" : "");
 811                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
 812                                         xpm, mask, openxpm, openmask,
 813                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 814                 g_free(str);
 815         } else if ((item->unread > 0 || add_unread_mark) &&
 816                  prefs_common.display_folder_unread) {
 817
 818                 if (item->unread > 0)
 819                         str = g_strdup_printf("%s (%d%s)", name, item->unread,
 820                                               add_unread_mark ? "+" : "");
 821                 else
 822                         str = g_strdup_printf("%s (+)", name);
 823                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
 824                                         xpm, mask, openxpm, openmask,
 825                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 826                 g_free(str);
 827         } else
 828                 gtk_ctree_set_node_info(ctree, node, name, FOLDER_SPACING,
 829                                         xpm, mask, openxpm, openmask,
 830                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 831         g_free(name);
 832
 833         if (!item->parent) {
 834                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
 835                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
 836                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
 837         } else {
 838                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new));
 839                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread));
 840                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total));
 841         }
 842
 843         if (item->stype == F_TRASH) return;
 844
 845         ctree_style = gtk_widget_get_style(GTK_WIDGET(ctree));
 846         prev_style = gtk_ctree_node_get_row_style(ctree, node);
 847         if (!prev_style)
 848                 prev_style = ctree_style;
 849         style = gtk_style_copy(prev_style);
 850         if (!style) return;
 851
 852         if (item->stype == F_QUEUE) {
 853                 /* highlight queue folder if there are any messages */
 854                 use_bold = use_color = (item->total > 0);
 855         } else {
 856                 /* if unread messages exist, print with bold font */
 857                 use_bold = (item->unread > 0) || add_unread_mark;
 858                 /* if new messages exist, print with colored letter */
 859                 use_color =
 860                         (item->new > 0) ||
 861                         (add_unread_mark &&
 862                          folderview_have_new_children(folderview, node));
 863         }
 864
 865         if (use_bold && boldfont)
 866                 style->font = boldfont;
 867         else
 868                 style->font = ctree_style->font;
 869
 870         if (use_color) {
 871                 style->fg[GTK_STATE_NORMAL]   = folderview->color_new;
 872                 style->fg[GTK_STATE_SELECTED] = folderview->color_new;
 873         } else {
 874                 style->fg[GTK_STATE_NORMAL] =
 875                         ctree_style->fg[GTK_STATE_NORMAL];
 876                 style->fg[GTK_STATE_SELECTED] =
 877                         ctree_style->fg[GTK_STATE_SELECTED];
 878         }
 879
 880         gtk_ctree_node_set_row_style(ctree, node, style);
 881
 882         parent = node;
 883         while ((parent = gtkut_ctree_find_collapsed_parent(ctree, parent))
 884                != NULL)
 885                 folderview_update_node(folderview, parent);
 886 }
 887
 888 void folderview_update_item(FolderItem *item, gboolean update_summary)
 889 {
 890         GList *list;
 891         FolderView *folderview;
 892         GtkCTree *ctree;
 893         GtkCTreeNode *node;
 894
 895         g_return_if_fail(item != NULL);
 896
 897         for (list = folderview_list; list != NULL; list = list->next) {
 898                 folderview = (FolderView *)list->data;
 899                 ctree = GTK_CTREE(folderview->ctree);
 900
 901                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 902                 if (node) {
 903                         folderview_update_node(folderview, node);
 904                         if (update_summary && folderview->opened == node)
 905                                 summary_show(folderview->summaryview,
 906                                              item, FALSE);
 907                 }
 908         }
 909 }
 910
 911 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
 912                                                 gpointer data)
 913 {
 914         folderview_update_item((FolderItem *)key, FALSE);
 915 }
 916
 917 void folderview_update_item_foreach(GHashTable *table)
 918 {
 919         g_hash_table_foreach(table, folderview_update_item_foreach_func, NULL);
 920 }
 921
 922 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
 923                                       GNode *gnode, GtkCTreeNode *cnode,
 924                                       gpointer data)
 925 {
 926         FolderView *folderview = (FolderView *)data;
 927         FolderItem *item = FOLDER_ITEM(gnode->data);
 928
 929         g_return_val_if_fail(item != NULL, FALSE);
 930
 931         gtk_ctree_node_set_row_data(ctree, cnode, item);
 932         folderview_update_node(folderview, cnode);
 933
 934         return TRUE;
 935 }
 936
 937 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
 938                                    gpointer data)
 939 {
 940         if (GTK_CTREE_ROW(node)->children)
 941                 gtk_ctree_expand(ctree, node);
 942 }
 943
 944 #define SET_SPECIAL_FOLDER(ctree, item) \
 945 { \
 946         if (item) { \
 947                 GtkCTreeNode *node, *sibling; \
 948  \
 949                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
 950                 if (!node) \
 951                         g_warning("%s not found.\n", item->path); \
 952                 else { \
 953                         if (!prev) \
 954                                 sibling = GTK_CTREE_ROW(root)->children; \
 955                         else \
 956                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
 957                         if (node != sibling) \
 958                                 gtk_ctree_move(ctree, node, root, sibling); \
 959                 } \
 960  \
 961                 prev = node; \
 962         } \
 963 }
 964
 965 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
 966                                     Folder *folder)
 967 {
 968         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 969         GtkCTreeNode *prev = NULL;
 970
 971         gtk_ctree_sort_recursive(ctree, root);
 972
 973         if (GTK_CTREE_ROW(root)->parent) return;
 974
 975         SET_SPECIAL_FOLDER(ctree, folder->inbox);
 976         SET_SPECIAL_FOLDER(ctree, folder->outbox);
 977         SET_SPECIAL_FOLDER(ctree, folder->draft);
 978         SET_SPECIAL_FOLDER(ctree, folder->queue);
 979         SET_SPECIAL_FOLDER(ctree, folder->trash);
 980 }
 981
 982 static void folderview_append_folder(FolderView *folderview, Folder *folder)
 983 {
 984         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 985         GtkCTreeNode *root;
 986
 987         g_return_if_fail(folder != NULL);
 988
 989         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
 990                                       folderview_gnode_func, folderview);
 991         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
 992                                 folderview);
 993         folderview_sort_folders(folderview, root, folder);
 994 }
 995
 996 void folderview_new_folder(FolderView *folderview)
 997 {
 998         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 999         FolderItem *item;
1000
1001         if (!folderview->selected) return;
1002
1003         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1004         g_return_if_fail(item != NULL);
1005         g_return_if_fail(item->folder != NULL);
1006
1007         switch (item->folder->type) {
1008         case F_MBOX:
1009                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1010                 break;
1011         case F_MH:
1012         case F_MAILDIR:
1013                 folderview_new_folder_cb(folderview, 0, NULL);
1014                 break;
1015         case F_IMAP:
1016                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1017                 break;
1018         case F_NEWS:
1019         default:
1020                 break;
1021         }
1022 }
1023
1024 void folderview_rename_folder(FolderView *folderview)
1025 {
1026         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1027         FolderItem *item;
1028
1029         if (!folderview->selected) return;
1030
1031         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1032         g_return_if_fail(item != NULL);
1033         g_return_if_fail(item->folder != NULL);
1034         if (!item->path) return;
1035         if (item->stype != F_NORMAL) return;
1036
1037         switch (item->folder->type) {
1038         case F_MBOX:
1039                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1040         case F_MH:
1041         case F_MAILDIR:
1042                 folderview_rename_folder_cb(folderview, 0, NULL);
1043                 break;
1044         case F_IMAP:
1045         case F_NEWS:
1046         default:
1047                 break;
1048         }
1049 }
1050
1051 void folderview_delete_folder(FolderView *folderview)
1052 {
1053         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1054         FolderItem *item;
1055
1056         if (!folderview->selected) return;
1057
1058         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1059         g_return_if_fail(item != NULL);
1060         g_return_if_fail(item->folder != NULL);
1061         if (!item->path) return;
1062         if (item->stype != F_NORMAL) return;
1063
1064         switch (item->folder->type) {
1065         case F_MH:
1066         case F_MBOX:
1067         case F_MAILDIR:
1068                 folderview_delete_folder_cb(folderview, 0, NULL);
1069                 break;
1070         case F_IMAP:
1071                 folderview_rm_imap_folder_cb(folderview, 0, NULL);
1072         case F_NEWS:
1073         default:
1074                 break;
1075         }
1076 }
1077
1078
1079 /* callback functions */
1080
1081 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1082                                       FolderView *folderview)
1083 {
1084         GtkCList *clist = GTK_CLIST(ctree);
1085         gint prev_row = -1, row = -1, column = -1;
1086         FolderItem *item;
1087         Folder *folder;
1088
1089         if (!event) return;
1090
1091         if (event->button == 1) {
1092                 folderview->open_folder = TRUE;
1093                 return;
1094         }
1095
1096         if (event->button == 2 || event->button == 3) {
1097                 /* right clicked */
1098                 if (clist->selection) {
1099                         GtkCTreeNode *node;
1100
1101                         node = GTK_CTREE_NODE(clist->selection->data);
1102                         if (node)
1103                                 prev_row = gtkut_ctree_get_nth_from_node
1104                                         (GTK_CTREE(ctree), node);
1105                 }
1106
1107                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1108                                                   &row, &column))
1109                         return;
1110                 if (prev_row != row) {
1111                         gtk_clist_unselect_all(clist);
1112                         if (event->button == 2)
1113                                 folderview_select_node
1114                                         (folderview,
1115                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1116                                                             row));
1117                         else
1118                                 gtk_clist_select_row(clist, row, column);
1119                 }
1120         }
1121
1122         if (event->button != 3) return;
1123
1124         item = gtk_clist_get_row_data(clist, row);
1125         g_return_if_fail(item != NULL);
1126         g_return_if_fail(item->folder != NULL);
1127         folder = item->folder;
1128
1129         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mail_popup));
1130         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->imap_popup));
1131         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->news_popup));
1132         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mbox_popup));
1133
1134         if (folder->type == F_MH && item->parent == NULL) {
1135                 menu_set_sensitive(folderview->mail_factory,
1136                                    "/Create new folder...", TRUE);
1137                 menu_set_sensitive(folderview->mail_factory,
1138                                    "/Remove mailbox", TRUE);
1139         } else if (folder->type == F_MH && item->stype != F_NORMAL) {
1140                 menu_set_sensitive(folderview->mail_factory,
1141                                    "/Create new folder...", TRUE);
1142                 menu_set_sensitive(folderview->mail_factory,
1143                                    "/Scoring...", TRUE);
1144         } else if (folder->type == F_MH) {
1145                 menu_set_sensitive(folderview->mail_factory,
1146                                    "/Create new folder...", TRUE);
1147                 menu_set_sensitive(folderview->mail_factory,
1148                                    "/Rename folder...", TRUE);
1149                 menu_set_sensitive(folderview->mail_factory,
1150                                    "/Delete folder", TRUE);
1151                 menu_set_sensitive(folderview->mail_factory,
1152                                    "/Scoring...", TRUE);
1153         } else if (folder->type == F_IMAP && item->parent == NULL) {
1154                 menu_set_sensitive(folderview->imap_factory,
1155                                    "/Create new folder...", TRUE);
1156                 menu_set_sensitive(folderview->imap_factory,
1157                                    "/Remove IMAP4 server", TRUE);
1158         } else if (folder->type == F_IMAP && item->parent != NULL) {
1159                 menu_set_sensitive(folderview->imap_factory,
1160                                    "/Create new folder...", TRUE);
1161                 menu_set_sensitive(folderview->imap_factory,
1162                                    "/Delete folder", TRUE);
1163                 menu_set_sensitive(folderview->imap_factory,
1164                                    "/Scoring...", TRUE);
1165         } else if (folder->type == F_NEWS && item->parent == NULL) {
1166                 menu_set_sensitive(folderview->news_factory,
1167                                    "/Subscribe to newsgroup...", TRUE);
1168                 menu_set_sensitive(folderview->news_factory,
1169                                    "/Remove news server", TRUE);
1170         } else if (folder->type == F_NEWS && item->parent != NULL) {
1171                 menu_set_sensitive(folderview->news_factory,
1172                                    "/Subscribe to newsgroup...", TRUE);
1173                 menu_set_sensitive(folderview->news_factory,
1174                                    "/Remove newsgroup", TRUE);
1175                 menu_set_sensitive(folderview->news_factory,
1176                                    "/Scoring...", TRUE);
1177         }
1178         if (folder->type == F_MBOX && item->parent == NULL) {
1179                 menu_set_sensitive(folderview->mbox_factory,
1180                                    "/Create new folder...", TRUE);
1181                 menu_set_sensitive(folderview->mbox_factory,
1182                                    "/Remove mailbox", TRUE);
1183         } else if (folder->type == F_MBOX && item->stype != F_NORMAL) {
1184                 menu_set_sensitive(folderview->mbox_factory,
1185                                    "/Create new folder...", TRUE);
1186                 menu_set_sensitive(folderview->mbox_factory,
1187                                    "/Scoring...", TRUE);
1188         } else if (folder->type == F_MBOX) {
1189                 menu_set_sensitive(folderview->mbox_factory,
1190                                    "/Create new folder...", TRUE);
1191                 menu_set_sensitive(folderview->mbox_factory,
1192                                    "/Rename folder...", TRUE);
1193                 menu_set_sensitive(folderview->mbox_factory,
1194                                    "/Delete folder", TRUE);
1195                 menu_set_sensitive(folderview->mbox_factory,
1196                                    "/Scoring...", TRUE);
1197         }
1198
1199         if (folder->type == F_MH)
1200                 gtk_menu_popup(GTK_MENU(folderview->mail_popup), NULL, NULL,
1201                                NULL, NULL, event->button, event->time);
1202         else if (folder->type == F_IMAP)
1203                 gtk_menu_popup(GTK_MENU(folderview->imap_popup), NULL, NULL,
1204                                NULL, NULL, event->button, event->time);
1205         else if (folder->type == F_NEWS)
1206                 gtk_menu_popup(GTK_MENU(folderview->news_popup), NULL, NULL,
1207                                NULL, NULL, event->button, event->time);
1208         else if (folder->type == F_MBOX)
1209                 gtk_menu_popup(GTK_MENU(folderview->mbox_popup), NULL, NULL,
1210                                NULL, NULL, event->button, event->time);
1211 }
1212
1213 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1214                                        FolderView *folderview)
1215 {
1216         if (!event) return;
1217
1218         if (event->button == 1 && folderview->opened != NULL) {
1219                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1220                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1221                                           folderview->opened);
1222         }
1223 }
1224
1225 #define BREAK_ON_MODIFIER_KEY() \
1226         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1227
1228 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1229                                    FolderView *folderview)
1230 {
1231         if (!event) return;
1232
1233         switch (event->keyval) {
1234         case GDK_Return:
1235         case GDK_space:
1236                 if (folderview->selected) {
1237                         folderview_select_node(folderview,
1238                                                folderview->selected);
1239                 }
1240                 break;
1241         case GDK_v:
1242         case GDK_V:
1243         case GDK_g:
1244         case GDK_G:
1245         case GDK_x:
1246         case GDK_X:
1247         case GDK_w:
1248         case GDK_D:
1249         case GDK_Q:
1250                 BREAK_ON_MODIFIER_KEY();
1251                 summary_pass_key_press_event(folderview->summaryview, event);
1252         default:
1253         }
1254 }
1255
1256 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1257                                 gint column, FolderView *folderview)
1258 {
1259         static gboolean can_select = TRUE;      /* exclusive lock */
1260         gboolean opened;
1261         FolderItem *item;
1262
1263         folderview->selected = row;
1264
1265         if (folderview->opened == row) {
1266                 folderview->open_folder = FALSE;
1267                 return;
1268         }
1269
1270         if (!can_select) {
1271                 gtk_ctree_select(ctree, folderview->opened);
1272                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1273                 return;
1274         }
1275
1276         if (!folderview->open_folder) return;
1277         folderview->open_folder = FALSE;
1278
1279         item = gtk_ctree_node_get_row_data(ctree, row);
1280         if (!item) return;
1281
1282         can_select = FALSE;
1283
1284         if (item->path)
1285                 debug_print(_("Folder %s is selected\n"), item->path);
1286
1287         if (!GTK_CTREE_ROW(row)->children)
1288                 gtk_ctree_expand(ctree, row);
1289         if (folderview->opened &&
1290             !GTK_CTREE_ROW(folderview->opened)->children)
1291                 gtk_ctree_collapse(ctree, folderview->opened);
1292
1293         /* ungrab the mouse event */
1294         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1295                 gtk_grab_remove(GTK_WIDGET(ctree));
1296                 if (gdk_pointer_is_grabbed())
1297                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1298         }
1299
1300         opened = summary_show(folderview->summaryview, item, FALSE);
1301
1302         if (!opened) {
1303                 gtk_ctree_select(ctree, folderview->opened);
1304                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1305         } else
1306                 folderview->opened = row;
1307
1308         can_select = TRUE;
1309 }
1310
1311 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1312                                      FolderView *folderview)
1313 {
1314         folderview_update_node(folderview, node);
1315 }
1316
1317 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1318                                       FolderView *folderview)
1319 {
1320         folderview_update_node(folderview, node);
1321 }
1322
1323 static void folderview_popup_close(GtkMenuShell *menu_shell,
1324                                    FolderView *folderview)
1325 {
1326         if (!folderview->opened) return;
1327
1328         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1329         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1330                                   folderview->opened);
1331 }
1332
1333 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1334                                    FolderView *folderview)
1335 {
1336         switch (column) {
1337         case COL_FOLDER:
1338                 prefs_common.folder_col_folder = width;
1339                 break;
1340         case COL_NEW:
1341                 prefs_common.folder_col_new = width;
1342                 break;
1343         case COL_UNREAD:
1344                 prefs_common.folder_col_unread = width;
1345                 break;
1346         case COL_TOTAL:
1347                 prefs_common.folder_col_total = width;
1348                 break;
1349         default:
1350         }
1351 }
1352
1353 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1354                                              GtkCTreeNode *node,
1355                                              const gchar *name)
1356 {
1357         FolderItem *item;
1358
1359         if (!node)
1360                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1361         if (!node)
1362                 return NULL;
1363
1364         node = GTK_CTREE_ROW(node)->children;
1365
1366         while (node) {
1367                 item = gtk_ctree_node_get_row_data(ctree, node);
1368                 if (!folderview_compare_name(item, name))
1369                         return node;
1370                 node = GTK_CTREE_ROW(node)->sibling;
1371         }
1372
1373         return NULL;
1374 }
1375
1376 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1377                                      GtkWidget *widget)
1378 {
1379         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1380         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1381         FolderItem *item;
1382         FolderItem *new_item;
1383         gchar *new_folder;
1384         GtkCTreeNode *node;
1385
1386         if (!folderview->selected) return;
1387
1388         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1389         g_return_if_fail(item != NULL);
1390         g_return_if_fail(item->folder != NULL);
1391
1392         new_folder = input_dialog(_("New folder"),
1393                                   _("Input the name of new folder:"),
1394                                   _("NewFolder"));
1395         if (!new_folder) return;
1396
1397         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1398                 alertpanel_error(_("`%c' can't be included in folder name."),
1399                                  G_DIR_SEPARATOR);
1400                 g_free(new_folder);
1401                 return;
1402         }
1403
1404         /* find whether the directory already exists */
1405         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1406                 alertpanel_error(_("The folder `%s' already exists."),
1407                                  new_folder);
1408                 g_free(new_folder);
1409                 return;
1410         }
1411
1412         new_item = item->folder->create_folder(item->folder, item, new_folder);
1413         g_free(new_folder);
1414         if (!new_item) return;
1415
1416         gtk_clist_freeze(GTK_CLIST(ctree));
1417
1418         text[COL_FOLDER] = new_item->name;
1419         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1420                                      FOLDER_SPACING,
1421                                      folderxpm, folderxpmmask,
1422                                      folderopenxpm, folderopenxpmmask,
1423                                      FALSE, FALSE);
1424         gtk_ctree_expand(ctree, folderview->selected);
1425         gtk_ctree_node_set_row_data(ctree, node, new_item);
1426         folderview_sort_folders(folderview, folderview->selected, item->folder);
1427
1428         gtk_clist_thaw(GTK_CLIST(ctree));
1429
1430         folder_write_list();
1431 }
1432
1433 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1434                                           GtkWidget *widget)
1435 {
1436         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1437         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1438         FolderItem *item;
1439         FolderItem *new_item;
1440         gchar *new_folder;
1441         GtkCTreeNode *node;
1442
1443         if (!folderview->selected) return;
1444
1445         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1446         g_return_if_fail(item != NULL);
1447         g_return_if_fail(item->folder != NULL);
1448
1449         new_folder = input_dialog(_("New folder"),
1450                                   _("Input the name of new folder:"),
1451                                   _("NewFolder"));
1452         if (!new_folder) return;
1453
1454         /* find whether the directory already exists */
1455         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1456                 alertpanel_error(_("The folder `%s' already exists."),
1457                                  new_folder);
1458                 g_free(new_folder);
1459                 return;
1460         }
1461
1462         new_item = item->folder->create_folder(item->folder, item, new_folder);
1463         g_free(new_folder);
1464         if (!new_item) return;
1465
1466         gtk_clist_freeze(GTK_CLIST(ctree));
1467
1468         text[COL_FOLDER] = new_item->name;
1469         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1470                                      FOLDER_SPACING,
1471                                      folderxpm, folderxpmmask,
1472                                      folderopenxpm, folderopenxpmmask,
1473                                      FALSE, FALSE);
1474         gtk_ctree_expand(ctree, folderview->selected);
1475         gtk_ctree_node_set_row_data(ctree, node, new_item);
1476         folderview_sort_folders(folderview, folderview->selected, item->folder);
1477
1478         gtk_clist_thaw(GTK_CLIST(ctree));
1479
1480         folder_write_list();
1481 }
1482
1483 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1484                                         GtkWidget *widget)
1485 {
1486         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1487         FolderItem *item;
1488         gchar *new_folder;
1489         gchar *message;
1490
1491         if (!folderview->selected) return;
1492
1493         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1494         g_return_if_fail(item != NULL);
1495         g_return_if_fail(item->path != NULL);
1496         g_return_if_fail(item->folder != NULL);
1497
1498         message = g_strdup_printf(_("Input new name for `%s':"),
1499                                   g_basename(item->path));
1500         new_folder = input_dialog(_("Rename folder"), message,
1501                                   g_basename(item->path));
1502         g_free(message);
1503         if (!new_folder) return;
1504
1505         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1506                 alertpanel_error(_("`%c' can't be included in folder name."),
1507                                  G_DIR_SEPARATOR);
1508                 g_free(new_folder);
1509                 return;
1510         }
1511
1512         if (folderview_find_by_name
1513                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1514                  new_folder)) {
1515                 alertpanel_error(_("The folder `%s' already exists."),
1516                                  new_folder);
1517                 g_free(new_folder);
1518                 return;
1519         }
1520
1521         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1522                 g_free(new_folder);
1523                 return;
1524         }
1525         g_free(new_folder);
1526
1527         gtk_clist_freeze(GTK_CLIST(ctree));
1528
1529         folderview_update_node(folderview, folderview->selected);
1530         folderview_sort_folders(folderview,
1531                                 GTK_CTREE_ROW(folderview->selected)->parent,
1532                                 item->folder);
1533         if (folderview->opened == folderview->selected) {
1534                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1535                         gtk_ctree_expand(ctree, folderview->opened);
1536                 summary_show(folderview->summaryview, item, FALSE);
1537         }
1538
1539         gtk_clist_thaw(GTK_CLIST(ctree));
1540
1541         folder_write_list();
1542 }
1543
1544 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
1545                                              guint action,
1546                                              GtkWidget *widget)
1547 {
1548         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1549         FolderItem *item;
1550         gchar *new_folder;
1551         gchar *message;
1552
1553         if (!folderview->selected) return;
1554
1555         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1556         g_return_if_fail(item != NULL);
1557         g_return_if_fail(item->path != NULL);
1558         g_return_if_fail(item->folder != NULL);
1559
1560         message = g_strdup_printf(_("Input new name for `%s':"),
1561                                   g_basename(item->path));
1562         new_folder = input_dialog(_("Rename folder"), message,
1563                                   g_basename(item->path));
1564         g_free(message);
1565         if (!new_folder) return;
1566
1567         if (folderview_find_by_name
1568                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1569                  new_folder)) {
1570                 alertpanel_error(_("The folder `%s' already exists."),
1571                                  new_folder);
1572                 g_free(new_folder);
1573                 return;
1574         }
1575
1576         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1577                 g_free(new_folder);
1578                 return;
1579         }
1580         g_free(new_folder);
1581
1582         gtk_clist_freeze(GTK_CLIST(ctree));
1583
1584         folderview_update_node(folderview, folderview->selected);
1585         folderview_sort_folders(folderview,
1586                                 GTK_CTREE_ROW(folderview->selected)->parent,
1587                                 item->folder);
1588         if (folderview->opened == folderview->selected) {
1589                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1590                         gtk_ctree_expand(ctree, folderview->opened);
1591                 summary_show(folderview->summaryview, item, FALSE);
1592         }
1593
1594         gtk_clist_thaw(GTK_CLIST(ctree));
1595
1596         folder_write_list();
1597 }
1598
1599 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
1600                                         GtkWidget *widget)
1601 {
1602         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1603         FolderItem *item;
1604         gchar *message;
1605         AlertValue avalue;
1606
1607         if (!folderview->selected) return;
1608
1609         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1610         g_return_if_fail(item != NULL);
1611         g_return_if_fail(item->path != NULL);
1612         g_return_if_fail(item->folder != NULL);
1613
1614         message = g_strdup_printf
1615                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
1616                    "Do you really want to delete?"),
1617                  g_basename(item->path));
1618         avalue = alertpanel(_("Delete folder"), message,
1619                             _("Yes"), _("+No"), NULL);
1620         g_free(message);
1621         if (avalue != G_ALERTDEFAULT) return;
1622
1623         if (item->folder->remove_folder(item->folder, item) < 0) {
1624                 g_warning(_("can't remove folder `%s'\n"), item->path);
1625                 return;
1626         }
1627
1628         if (folderview->opened == folderview->selected ||
1629             gtk_ctree_is_ancestor(ctree,
1630                                   folderview->selected,
1631                                   folderview->opened)) {
1632                 summary_clear_all(folderview->summaryview);
1633                 folderview->opened = NULL;
1634         }
1635
1636         gtk_ctree_remove_node(ctree, folderview->selected);
1637         folder_write_list();
1638 }
1639
1640 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
1641                                          GtkWidget *widget)
1642 {
1643         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1644         GtkCTreeNode *node;
1645         FolderItem *item;
1646         gchar *message;
1647         AlertValue avalue;
1648
1649         if (!folderview->selected) return;
1650         node = folderview->selected;
1651         item = gtk_ctree_node_get_row_data(ctree, node);
1652         g_return_if_fail(item != NULL);
1653         g_return_if_fail(item->folder != NULL);
1654         if (item->parent) return;
1655
1656         message = g_strdup_printf
1657                 (_("Really remove the mailbox `%s' ?\n"
1658                    "(The messages are NOT deleted from disk)"),
1659                  item->folder->name);
1660         avalue = alertpanel(_("Remove folder"), message,
1661                             _("Yes"), _("+No"), NULL);
1662         g_free(message);
1663         if (avalue != G_ALERTDEFAULT) return;
1664
1665         folder_destroy(item->folder);
1666         summary_clear_all(folderview->summaryview);
1667         folderview_unselect(folderview);
1668         gtk_ctree_remove_node(ctree, node);
1669         folder_write_list();
1670 }
1671
1672 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
1673                                           GtkWidget *widget)
1674 {
1675         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1676         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1677         GtkCTreeNode *node;
1678         FolderItem *item;
1679         FolderItem *new_item;
1680         gchar *new_folder;
1681         gchar *p;
1682
1683         if (!folderview->selected) return;
1684
1685         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1686         g_return_if_fail(item != NULL);
1687         g_return_if_fail(item->folder != NULL);
1688         g_return_if_fail(item->folder->type == F_IMAP);
1689         g_return_if_fail(item->folder->account != NULL);
1690
1691         new_folder = input_dialog
1692                 (_("New folder"),
1693                  _("Input the name of new folder:\n"
1694                    "(if you want to create a folder to store subfolders,\n"
1695                    " append `/' at the end of the name)"),
1696                  _("NewFolder"));
1697         if (!new_folder) return;
1698
1699         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
1700             *(p + 1) != '\0') {
1701                 alertpanel_error(_("`%c' can't be included in folder name."),
1702                                  G_DIR_SEPARATOR);
1703                 g_free(new_folder);
1704                 return;
1705         }
1706
1707         /* find whether the directory already exists */
1708         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1709                 alertpanel_error(_("The folder `%s' already exists."),
1710                                  new_folder);
1711                 g_free(new_folder);
1712                 return;
1713         }
1714
1715         new_item = item->folder->create_folder(item->folder, item, new_folder);
1716         g_free(new_folder);
1717         if (!new_item) return;
1718
1719         gtk_clist_freeze(GTK_CLIST(ctree));
1720
1721         text[COL_FOLDER] = new_item->name;
1722         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1723                                      FOLDER_SPACING,
1724                                      folderxpm, folderxpmmask,
1725                                      folderopenxpm, folderopenxpmmask,
1726                                      FALSE, FALSE);
1727         gtk_ctree_expand(ctree, folderview->selected);
1728         gtk_ctree_node_set_row_data(ctree, node, new_item);
1729         folderview_sort_folders(folderview, folderview->selected, item->folder);
1730
1731         gtk_clist_thaw(GTK_CLIST(ctree));
1732
1733         folder_write_list();
1734 }
1735
1736 static void folderview_rm_imap_folder_cb(FolderView *folderview, guint action,
1737                                          GtkWidget *widget)
1738 {
1739         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1740         FolderItem *item;
1741         gchar *message;
1742         AlertValue avalue;
1743
1744         if (!folderview->selected) return;
1745
1746         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1747         g_return_if_fail(item != NULL);
1748         g_return_if_fail(item->folder != NULL);
1749         g_return_if_fail(item->folder->type == F_IMAP);
1750         g_return_if_fail(item->folder->account != NULL);
1751
1752         message = g_strdup_printf(_("Really delete folder `%s'?"),
1753                                   g_basename(item->path));
1754         avalue = alertpanel(_("Delete folder"), message,
1755                             _("Yes"), _("+No"), NULL);
1756         g_free(message);
1757         if (avalue != G_ALERTDEFAULT) return;
1758
1759         if (item->folder->remove_folder(item->folder, item) < 0) {
1760                 g_warning(_("can't remove folder `%s'\n"), item->path);
1761                 return;
1762         }
1763
1764         if (folderview->opened == folderview->selected ||
1765             gtk_ctree_is_ancestor(ctree,
1766                                   folderview->selected,
1767                                   folderview->opened)) {
1768                 summary_clear_all(folderview->summaryview);
1769                 folderview->opened = NULL;
1770         }
1771
1772         gtk_ctree_remove_node(ctree, folderview->selected);
1773         folder_write_list();
1774 }
1775
1776 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
1777                                          GtkWidget *widget)
1778 {
1779         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1780         FolderItem *item;
1781         gchar *message;
1782         AlertValue avalue;
1783
1784         if (!folderview->selected) return;
1785
1786         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1787         g_return_if_fail(item != NULL);
1788         g_return_if_fail(item->folder != NULL);
1789         g_return_if_fail(item->folder->type == F_IMAP);
1790         g_return_if_fail(item->folder->account != NULL);
1791
1792         message = g_strdup_printf(_("Really delete IMAP4 server `%s'?"),
1793                                   item->folder->name);
1794         avalue = alertpanel(_("Delete IMAP4 server"), message,
1795                             _("Yes"), _("+No"), NULL);
1796         g_free(message);
1797
1798         if (avalue != G_ALERTDEFAULT) return;
1799
1800         if (folderview->opened == folderview->selected ||
1801             gtk_ctree_is_ancestor(ctree,
1802                                   folderview->selected,
1803                                   folderview->opened)) {
1804                 summary_clear_all(folderview->summaryview);
1805                 folderview->opened = NULL;
1806         }
1807
1808         account_destroy(item->folder->account);
1809         folder_destroy(item->folder);
1810         gtk_ctree_remove_node(ctree, folderview->selected);
1811         account_set_menu();
1812         main_window_reflect_prefs_all();
1813         folder_write_list();
1814 }
1815
1816 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
1817                                          GtkWidget *widget)
1818 {
1819         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1820         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1821         GtkCTreeNode *servernode, *node;
1822         FolderItem *item;
1823         FolderItem *newitem;
1824         gchar *new_group;
1825         const gchar *server;
1826
1827         if (!folderview->selected) return;
1828
1829         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1830         g_return_if_fail(item != NULL);
1831         g_return_if_fail(item->folder != NULL);
1832         g_return_if_fail(item->folder->type == F_NEWS);
1833         g_return_if_fail(item->folder->account != NULL);
1834
1835         new_group = grouplist_dialog(item);
1836         if (!new_group) return;
1837
1838         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
1839                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
1840         else
1841                 servernode = folderview->selected;
1842
1843         if (folderview_find_by_name(ctree, servernode, new_group)) {
1844                 alertpanel_error(_("The newsgroup `%s' already exists."),
1845                                  new_group);
1846                 g_free(new_group);
1847                 return;
1848         }
1849
1850         gtk_clist_freeze(GTK_CLIST(ctree));
1851
1852         text[COL_FOLDER] = new_group;
1853         node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
1854                                      FOLDER_SPACING,
1855                                      folderxpm, folderxpmmask,
1856                                      folderopenxpm, folderopenxpmmask,
1857                                      FALSE, FALSE);
1858         gtk_ctree_expand(ctree, servernode);
1859
1860         item = gtk_ctree_node_get_row_data(ctree, servernode);
1861         server = item->folder->account->nntp_server;
1862
1863         newitem = folder_item_new(new_group, new_group);
1864         g_free(new_group);
1865         folder_item_append(item, newitem);
1866         gtk_ctree_node_set_row_data(ctree, node, newitem);
1867         gtk_ctree_sort_node(ctree, servernode);
1868
1869         gtk_clist_thaw(GTK_CLIST(ctree));
1870
1871         folder_write_list();
1872 }
1873
1874 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
1875                                         GtkWidget *widget)
1876 {
1877         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1878         FolderItem *item;
1879         gchar *message;
1880         AlertValue avalue;
1881
1882         if (!folderview->selected) return;
1883
1884         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1885         g_return_if_fail(item != NULL);
1886         g_return_if_fail(item->folder != NULL);
1887         g_return_if_fail(item->folder->type == F_NEWS);
1888         g_return_if_fail(item->folder->account != NULL);
1889
1890         message = g_strdup_printf(_("Really delete newsgroup `%s'?"),
1891                                   g_basename(item->path));
1892         avalue = alertpanel(_("Delete newsgroup"), message,
1893                             _("Yes"), _("+No"), NULL);
1894         g_free(message);
1895         if (avalue != G_ALERTDEFAULT) return;
1896
1897         if (folderview->opened == folderview->selected) {
1898                 summary_clear_all(folderview->summaryview);
1899                 folderview->opened = NULL;
1900         }
1901
1902         folder_item_remove(item);
1903         gtk_ctree_remove_node(ctree, folderview->selected);
1904         folder_write_list();
1905 }
1906
1907 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
1908                                          GtkWidget *widget)
1909 {
1910         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1911         FolderItem *item;
1912         gchar *message;
1913         AlertValue avalue;
1914
1915         if (!folderview->selected) return;
1916
1917         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1918         g_return_if_fail(item != NULL);
1919         g_return_if_fail(item->folder != NULL);
1920         g_return_if_fail(item->folder->type == F_NEWS);
1921         g_return_if_fail(item->folder->account != NULL);
1922
1923         message = g_strdup_printf(_("Really delete news server `%s'?"),
1924                                   item->folder->name);
1925         avalue = alertpanel(_("Delete news server"), message,
1926                             _("Yes"), _("+No"), NULL);
1927         g_free(message);
1928
1929         if (avalue != G_ALERTDEFAULT) return;
1930
1931         if (folderview->opened == folderview->selected ||
1932             gtk_ctree_is_ancestor(ctree,
1933                                   folderview->selected,
1934                                   folderview->opened)) {
1935                 summary_clear_all(folderview->summaryview);
1936                 folderview->opened = NULL;
1937         }
1938
1939         account_destroy(item->folder->account);
1940         folder_destroy(item->folder);
1941         gtk_ctree_remove_node(ctree, folderview->selected);
1942         account_set_menu();
1943         main_window_reflect_prefs_all();
1944         folder_write_list();
1945 }
1946
1947 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
1948                                           GdkDragContext *context,
1949                                           gint            x,
1950                                           gint            y,
1951                                           guint           time,
1952                                           FolderView     *folderview)
1953 {
1954         gint row, column;
1955         FolderItem *item;
1956         GtkCTreeNode *node;
1957
1958         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
1959                                          x - 24, y - 24, &row, &column)) {
1960                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
1961                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
1962                 if (item != NULL &&
1963                     item->path != NULL &&
1964                     folderview->summaryview->folder_item != item) {
1965                         if (item->folder->type != F_NEWS) {
1966                                 gtk_ctree_select(GTK_CTREE(widget), node);
1967                                 gdk_drag_status(context,
1968                                                 context->suggested_action,
1969                                                 time);
1970                                 return TRUE;
1971                         }
1972                 }
1973         }
1974
1975         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
1976         gdk_drag_status(context, 0, time);
1977
1978         return FALSE;
1979 }
1980
1981 static void folderview_drag_leave_cb(GtkWidget      *widget,
1982                                      GdkDragContext *context,
1983                                      guint           time,
1984                                      FolderView     *folderview)
1985 {
1986         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
1987 }
1988
1989 static void folderview_drag_received_cb(GtkWidget        *widget,
1990                                         GdkDragContext   *drag_context,
1991                                         gint              x,
1992                                         gint              y,
1993                                         GtkSelectionData *data,
1994                                         guint             info,
1995                                         guint             time,
1996                                         FolderView       *folderview)
1997 {
1998         gint row, column;
1999         FolderItem *item;
2000         GtkCTreeNode *node;
2001
2002         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
2003                                          x - 24, y - 24, &row, &column) == 0)
2004                 return;
2005
2006         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2007         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2008         if (item != NULL) {
2009                 summary_move_selected_to(folderview->summaryview, item);
2010                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2011         } else
2012                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2013 }
2014
2015 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2016 {
2017         const FolderItem *item = a;
2018         const gchar *name = b;
2019
2020         if (!item->path) return -1;
2021         return strcmp2(g_basename(item->path), name);
2022 }
2023
2024 static void folderview_scoring_cb(FolderView *folderview, guint action,
2025                                    GtkWidget *widget)
2026 {
2027         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2028         FolderItem *item;
2029
2030         if (!folderview->selected) return;
2031
2032         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2033         g_return_if_fail(item != NULL);
2034         g_return_if_fail(item->folder != NULL);
2035
2036         prefs_scoring_open(item);
2037 }