src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 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 "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "grouplistdialog.h"
  48 #include "manage_window.h"
  49 #include "alertpanel.h"
  50 #include "menu.h"
  51 #include "stock_pixmap.h"
  52 #include "procmsg.h"
  53 #include "utils.h"
  54 #include "gtkutils.h"
  55 #include "prefs_common.h"
  56 #include "prefs_account.h"
  57 #include "prefs_filtering.h"
  58 #include "prefs_scoring.h"
  59 #include "prefs_folder_item.h"
  60 #include "account.h"
  61 #include "folder.h"
  62 #include "foldersel.h"
  63 #include "inc.h"
  64 #include "statusbar.h"
  65 #include "hooks.h"
  66
  67 typedef enum
  68 {
  69         COL_FOLDER      = 0,
  70         COL_NEW         = 1,
  71         COL_UNREAD      = 2,
  72         COL_TOTAL       = 3
  73 } FolderColumnPos;
  74
  75 #define N_FOLDER_COLS           4
  76 #define COL_FOLDER_WIDTH        150
  77 #define COL_NUM_WIDTH           32
  78
  79 static GList *folderview_list = NULL;
  80
  81 static GtkStyle *normal_style;
  82 static GtkStyle *normal_color_style;
  83 static GtkStyle *bold_style;
  84 static GtkStyle *bold_color_style;
  85 static GtkStyle *bold_tgtfold_style;
  86
  87 static GdkBitmap *inboxxpm;
  88 static GdkBitmap *inboxxpmmask;
  89 static GdkPixmap *inboxhrmxpm;
  90 static GdkBitmap *inboxhrmxpmmask;
  91 static GdkPixmap *inboxopenxpm;
  92 static GdkBitmap *inboxopenxpmmask;
  93 static GdkPixmap *inboxopenhrmxpm;
  94 static GdkBitmap *inboxopenhrmxpmmask;
  95 static GdkPixmap *outboxxpm;
  96 static GdkBitmap *outboxxpmmask;
  97 static GdkPixmap *outboxhrmxpm;
  98 static GdkBitmap *outboxhrmxpmmask;
  99 static GdkPixmap *outboxopenxpm;
 100 static GdkBitmap *outboxopenxpmmask;
 101 static GdkPixmap *outboxopenhrmxpm;
 102 static GdkBitmap *outboxopenhrmxpmmask;
 103 static GdkPixmap *folderxpm;
 104 static GdkBitmap *folderxpmmask;
 105 static GdkPixmap *folderhrmxpm;
 106 static GdkBitmap *folderhrmxpmmask;
 107 static GdkPixmap *folderopenxpm;
 108 static GdkBitmap *folderopenxpmmask;
 109 static GdkPixmap *folderopenhrmxpm;
 110 static GdkBitmap *folderopenhrmxpmmask;
 111 static GdkPixmap *trashopenxpm;
 112 static GdkBitmap *trashopenxpmmask;
 113 static GdkPixmap *trashopenhrmxpm;
 114 static GdkBitmap *trashopenhrmxpmmask;
 115 static GdkPixmap *trashxpm;
 116 static GdkBitmap *trashxpmmask;
 117 static GdkPixmap *trashhrmxpm;
 118 static GdkBitmap *trashhrmxpmmask;
 119 static GdkPixmap *queuexpm;
 120 static GdkBitmap *queuexpmmask;
 121 static GdkPixmap *queuehrmxpm;
 122 static GdkBitmap *queuehrmxpmmask;
 123 static GdkPixmap *queueopenxpm;
 124 static GdkBitmap *queueopenxpmmask;
 125 static GdkPixmap *queueopenhrmxpm;
 126 static GdkBitmap *queueopenhrmxpmmask;
 127 static GdkPixmap *newxpm;
 128 static GdkBitmap *newxpmmask;
 129 static GdkPixmap *unreadxpm;
 130 static GdkBitmap *unreadxpmmask;
 131 static GdkPixmap *draftsxpm;
 132 static GdkBitmap *draftsxpmmask;
 133 static GdkPixmap *draftsopenxpm;
 134 static GdkBitmap *draftsopenxpmmask;
 135
 136 static void folderview_select_node       (FolderView    *folderview,
 137                                           GtkCTreeNode  *node);
 138 static void folderview_set_folders       (FolderView    *folderview);
 139 static void folderview_sort_folders      (FolderView    *folderview,
 140                                           GtkCTreeNode  *root,
 141                                           Folder        *folder);
 142 static void folderview_append_folder     (FolderView    *folderview,
 143                                           Folder        *folder);
 144 static void folderview_update_node       (FolderView    *folderview,
 145                                           GtkCTreeNode  *node);
 146
 147 static GtkCTreeNode *folderview_find_by_name    (GtkCTree       *ctree,
 148                                                  GtkCTreeNode   *node,
 149                                                  const gchar    *name);
 150
 151 static gint folderview_clist_compare    (GtkCList       *clist,
 152                                          gconstpointer   ptr1,
 153                                          gconstpointer   ptr2);
 154 static gint folderview_compare_name     (gconstpointer   a,
 155                                          gconstpointer   b);
 156
 157 /* callback functions */
 158 static void folderview_button_pressed   (GtkWidget      *ctree,
 159                                          GdkEventButton *event,
 160                                          FolderView     *folderview);
 161 static void folderview_button_released  (GtkWidget      *ctree,
 162                                          GdkEventButton *event,
 163                                          FolderView     *folderview);
 164 static void folderview_key_pressed      (GtkWidget      *widget,
 165                                          GdkEventKey    *event,
 166                                          FolderView     *folderview);
 167 static void folderview_selected         (GtkCTree       *ctree,
 168                                          GtkCTreeNode   *row,
 169                                          gint            column,
 170                                          FolderView     *folderview);
 171 static void folderview_tree_expanded    (GtkCTree       *ctree,
 172                                          GtkCTreeNode   *node,
 173                                          FolderView     *folderview);
 174 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 175                                          GtkCTreeNode   *node,
 176                                          FolderView     *folderview);
 177 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 178                                          FolderView     *folderview);
 179 static void folderview_col_resized      (GtkCList       *clist,
 180                                          gint            column,
 181                                          gint            width,
 182                                          FolderView     *folderview);
 183
 184 static void folderview_update_tree_cb   (FolderView     *folderview,
 185                                          guint           action,
 186                                          GtkWidget      *widget);
 187
 188 static void mark_all_read_cb            (FolderView    *folderview,
 189                                          guint           action,
 190                                          GtkWidget      *widget);
 191 static void folderview_new_folder_cb    (FolderView     *folderview,
 192                                          guint           action,
 193                                          GtkWidget      *widget);
 194 static void folderview_new_mbox_folder_cb(FolderView *folderview,
 195                                           guint action,
 196                                           GtkWidget *widget);
 197 static void folderview_rename_folder_cb (FolderView     *folderview,
 198                                          guint           action,
 199                                          GtkWidget      *widget);
 200 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
 201                                              guint action,
 202                                              GtkWidget *widget);
 203 static void folderview_delete_folder_cb (FolderView     *folderview,
 204                                          guint           action,
 205                                          GtkWidget      *widget);
 206 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 207                                          guint           action,
 208                                          GtkWidget      *widget);
 209
 210 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 211                                           guint          action,
 212                                           GtkWidget     *widget);
 213 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 214                                           guint          action,
 215                                           GtkWidget     *widget);
 216
 217 static void folderview_new_news_group_cb(FolderView     *folderview,
 218                                          guint           action,
 219                                          GtkWidget      *widget);
 220 static void folderview_rm_news_group_cb (FolderView     *folderview,
 221                                          guint           action,
 222                                          GtkWidget      *widget);
 223 static void folderview_rm_news_server_cb(FolderView     *folderview,
 224                                          guint           action,
 225                                          GtkWidget      *widget);
 226
 227 static void folderview_search_cb        (FolderView     *folderview,
 228                                          guint           action,
 229                                          GtkWidget      *widget);
 230
 231 static void folderview_property_cb      (FolderView     *folderview,
 232                                          guint           action,
 233                                          GtkWidget      *widget);
 234
 235 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 236                                           GdkDragContext *context,
 237                                           gint            x,
 238                                           gint            y,
 239                                           guint           time,
 240                                           FolderView     *folderview);
 241 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 242                                           GdkDragContext   *context,
 243                                           guint             time,
 244                                           FolderView       *folderview);
 245 static void folderview_drag_received_cb  (GtkWidget        *widget,
 246                                           GdkDragContext   *drag_context,
 247                                           gint              x,
 248                                           gint              y,
 249                                           GtkSelectionData *data,
 250                                           guint             info,
 251                                           guint             time,
 252                                           FolderView       *folderview);
 253 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 254                                           FolderView       *folderview);
 255 static void folderview_drag_data_get     (GtkWidget        *widget,
 256                                           GdkDragContext   *drag_context,
 257                                           GtkSelectionData *selection_data,
 258                                           guint             info,
 259                                           guint             time,
 260                                           FolderView       *folderview);
 261 static void folderview_drag_end_cb       (GtkWidget        *widget,
 262                                           GdkDragContext   *drag_context,
 263                                           FolderView       *folderview);
 264
 265 void folderview_create_folder_node       (FolderView       *folderview,
 266                                           FolderItem       *item);
 267 gboolean folderview_update_folder        (gpointer          source,
 268                                           gpointer          userdata);
 269 gboolean folderview_update_item          (gpointer          source,
 270                                           gpointer          data);
 271
 272 static void folderview_scoring_cb(FolderView *folderview, guint action,
 273                                   GtkWidget *widget);
 274 static void folderview_processing_cb(FolderView *folderview, guint action,
 275                                      GtkWidget *widget);
 276 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
 277                                FolderItem *to_folder);
 278 static void folderview_move_to_cb(FolderView *folderview);
 279
 280 static GtkItemFactoryEntry folderview_mbox_popup_entries[] =
 281 {
 282         {N_("/Create _new folder..."),  NULL, folderview_new_mbox_folder_cb,    0, NULL},
 283         {N_("/_Rename folder..."),      NULL, folderview_rename_mbox_folder_cb, 0, NULL},
 284         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 285         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 286         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 287         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 288         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 289         {N_("/_Properties..."),         NULL, NULL, 0, NULL},
 290         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 291         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 292 };
 293
 294 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 295 {
 296         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 297         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 298         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 299         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 300         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 301         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 302         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 303         {N_("/_Check for new messages"),
 304                                         NULL, folderview_update_tree_cb, 0, NULL},
 305         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 306         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 307         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 308         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 309         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 310         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 311         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 312         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 313 };
 314
 315 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 316 {
 317         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 318         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 319         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 320         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb,   0, NULL},
 321         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 322         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb,   0, NULL},
 323         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 324         {N_("/_Check for new messages"),
 325                                         NULL, folderview_update_tree_cb, 0, NULL},
 326         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 327         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 328         {N_("/Remove _IMAP4 account"),  NULL, folderview_rm_imap_server_cb, 0, NULL},
 329         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 330         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 331         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 332         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 333         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 334 };
 335
 336 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 337 {
 338         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 339         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 340         {N_("/_Subscribe to newsgroup..."),
 341                                         NULL, folderview_new_news_group_cb, 0, NULL},
 342         {N_("/_Remove newsgroup"),      NULL, folderview_rm_news_group_cb, 0, NULL},
 343         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 344         {N_("/_Check for new messages"),
 345                                         NULL, folderview_update_tree_cb, 0, NULL},
 346         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 347         {N_("/Remove _news account"),   NULL, folderview_rm_news_server_cb, 0, NULL},
 348         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 349         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 350         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 351         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 352         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 353 };
 354
 355 GtkTargetEntry folderview_drag_types[] =
 356 {
 357         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 358 };
 359
 360 FolderView *folderview_create(void)
 361 {
 362         FolderView *folderview;
 363         GtkWidget *scrolledwin;
 364         GtkWidget *ctree;
 365         gchar *titles[N_FOLDER_COLS];
 366         GtkWidget *mail_popup;
 367         GtkWidget *news_popup;
 368         GtkWidget *imap_popup;
 369         GtkWidget *mbox_popup;
 370         GtkItemFactory *mail_factory;
 371         GtkItemFactory *news_factory;
 372         GtkItemFactory *imap_factory;
 373         GtkItemFactory *mbox_factory;
 374         gint n_entries;
 375         gint i;
 376
 377         debug_print("Creating folder view...\n");
 378         folderview = g_new0(FolderView, 1);
 379
 380         titles[COL_FOLDER] = _("Folder");
 381         titles[COL_NEW]    = _("New");
 382         titles[COL_UNREAD] = _("Unread");
 383         titles[COL_TOTAL]  = _("#");
 384
 385         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 386         gtk_scrolled_window_set_policy
 387                 (GTK_SCROLLED_WINDOW(scrolledwin),
 388                  GTK_POLICY_AUTOMATIC,
 389                  prefs_common.folderview_vscrollbar_policy);
 390         gtk_widget_set_usize(scrolledwin,
 391                              prefs_common.folderview_width,
 392                              prefs_common.folderview_height);
 393
 394         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 395
 396         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 397         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 398 #ifndef CLAWS /* text instead of pixmaps */
 399         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 400                                            GTK_JUSTIFY_RIGHT);
 401         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 402                                            GTK_JUSTIFY_RIGHT);
 403 #endif
 404         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 405                                            GTK_JUSTIFY_RIGHT);
 406         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 407                                    prefs_common.folder_col_folder);
 408         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 409                                    prefs_common.folder_col_new);
 410         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 411                                    prefs_common.folder_col_unread);
 412         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 413                                    prefs_common.folder_col_total);
 414         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 415         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 416                                      GTK_CTREE_EXPANDER_SQUARE);
 417         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 418         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 419
 420         /* don't let title buttons take key focus */
 421         for (i = 0; i < N_FOLDER_COLS; i++)
 422                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 423                                        GTK_CAN_FOCUS);
 424
 425         /* popup menu */
 426         n_entries = sizeof(folderview_mail_popup_entries) /
 427                 sizeof(folderview_mail_popup_entries[0]);
 428         mail_popup = menu_create_items(folderview_mail_popup_entries,
 429                                        n_entries,
 430                                        "<MailFolder>", &mail_factory,
 431                                        folderview);
 432         n_entries = sizeof(folderview_imap_popup_entries) /
 433                 sizeof(folderview_imap_popup_entries[0]);
 434         imap_popup = menu_create_items(folderview_imap_popup_entries,
 435                                        n_entries,
 436                                        "<IMAPFolder>", &imap_factory,
 437                                        folderview);
 438         n_entries = sizeof(folderview_news_popup_entries) /
 439                 sizeof(folderview_news_popup_entries[0]);
 440         news_popup = menu_create_items(folderview_news_popup_entries,
 441                                        n_entries,
 442                                        "<NewsFolder>", &news_factory,
 443                                        folderview);
 444         n_entries = sizeof(folderview_mbox_popup_entries) /
 445                 sizeof(folderview_mbox_popup_entries[0]);
 446         mbox_popup = menu_create_items(folderview_mbox_popup_entries,
 447                                        n_entries,
 448                                        "<MboxFolder>", &mbox_factory,
 449                                        folderview);
 450
 451         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 452                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 453                            folderview);
 454         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 455                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 456                            folderview);
 457         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 458                            GTK_SIGNAL_FUNC(folderview_button_released),
 459                            folderview);
 460         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 461                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 462         gtk_signal_connect(GTK_OBJECT(ctree), "start_drag",
 463                            GTK_SIGNAL_FUNC(folderview_start_drag), folderview);
 464         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 465                            GTK_SIGNAL_FUNC(folderview_drag_data_get),
 466                            folderview);
 467
 468         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 469                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 470                                  folderview);
 471         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 472                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 473                                  folderview);
 474
 475         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 476                            GTK_SIGNAL_FUNC(folderview_col_resized),
 477                            folderview);
 478
 479         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 480                            GTK_SIGNAL_FUNC(folderview_popup_close),
 481                            folderview);
 482         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 483                            GTK_SIGNAL_FUNC(folderview_popup_close),
 484                            folderview);
 485         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 486                            GTK_SIGNAL_FUNC(folderview_popup_close),
 487                            folderview);
 488         gtk_signal_connect(GTK_OBJECT(mbox_popup), "selection_done",
 489                            GTK_SIGNAL_FUNC(folderview_popup_close),
 490                            folderview);
 491
 492         /* drop callback */
 493         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 494                           summary_drag_types, 1,
 495                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 496         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 497                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 498                            folderview);
 499         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 500                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 501                            folderview);
 502         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 503                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 504                            folderview);
 505         gtk_signal_connect(GTK_OBJECT(ctree), "drag_end",
 506                            GTK_SIGNAL_FUNC(folderview_drag_end_cb),
 507                            folderview);
 508
 509         folderview->scrolledwin  = scrolledwin;
 510         folderview->ctree        = ctree;
 511         folderview->mail_popup   = mail_popup;
 512         folderview->mail_factory = mail_factory;
 513         folderview->imap_popup   = imap_popup;
 514         folderview->imap_factory = imap_factory;
 515         folderview->news_popup   = news_popup;
 516         folderview->news_factory = news_factory;
 517         folderview->mbox_popup   = mbox_popup;
 518         folderview->mbox_factory = mbox_factory;
 519
 520         folderview->folder_update_callback_id =
 521                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 522         folderview->folder_item_update_callback_id =
 523                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item, (gpointer) folderview);
 524
 525         gtk_widget_show_all(scrolledwin);
 526
 527         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 528         folderview_list = g_list_append(folderview_list, folderview);
 529
 530         return folderview;
 531 }
 532
 533 void folderview_init(FolderView *folderview)
 534 {
 535         static GdkFont *boldfont = NULL;
 536         static GdkFont *normalfont = NULL;
 537         GtkWidget *ctree = folderview->ctree;
 538         GtkWidget *label_new;
 539         GtkWidget *label_unread;
 540         GtkWidget *hbox_new;
 541         GtkWidget *hbox_unread;
 542
 543         gtk_widget_realize(ctree);
 544         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 545         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 546         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 547         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 548         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 549         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 550         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 551         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 552         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 553         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 554         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 555         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 556         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 557         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 558         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 559         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 560         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 561         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 562         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 563         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 564         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 565         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 566
 567         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 568          * instead text (text overflows making them unreadable and ugly) */
 569         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 570                          &newxpm, &newxpmmask);
 571         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 572                          &unreadxpm, &unreadxpmmask);
 573
 574         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 575         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 576
 577         hbox_new = gtk_hbox_new(FALSE, 4);
 578         hbox_unread = gtk_hbox_new(FALSE, 4);
 579
 580         /* left justified */
 581         gtk_box_pack_start(GTK_BOX(hbox_new),label_new,FALSE,FALSE,0);
 582         gtk_box_pack_start(GTK_BOX(hbox_unread),label_unread,FALSE,FALSE,0);
 583
 584         gtk_widget_show_all(hbox_new);
 585         gtk_widget_show_all(hbox_unread);
 586
 587         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 588         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 589
 590         if (!normal_style) {
 591                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 592                 if (!normalfont)
 593                         normalfont = gtkut_font_load(prefs_common.normalfont);
 594                 if (normalfont)
 595                         normal_style->font = normalfont;
 596                 normal_color_style = gtk_style_copy(normal_style);
 597                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 598         }
 599
 600         if (!bold_style) {
 601                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 602                 if (!boldfont)
 603                         boldfont = gtkut_font_load(prefs_common.boldfont);
 604                 if (boldfont)
 605                         bold_style->font = boldfont;
 606                 bold_color_style = gtk_style_copy(bold_style);
 607                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 608
 609                 bold_tgtfold_style = gtk_style_copy(bold_style);
 610                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 611         }
 612 }
 613
 614 void folderview_set(FolderView *folderview)
 615 {
 616         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 617         MainWindow *mainwin = folderview->mainwin;
 618
 619         debug_print("Setting folder info...\n");
 620         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 621
 622         main_window_cursor_wait(mainwin);
 623
 624         folderview->selected = NULL;
 625         folderview->opened = NULL;
 626
 627         gtk_clist_freeze(GTK_CLIST(ctree));
 628         gtk_clist_clear(GTK_CLIST(ctree));
 629         gtk_clist_thaw(GTK_CLIST(ctree));
 630         gtk_clist_freeze(GTK_CLIST(ctree));
 631
 632         folderview_set_folders(folderview);
 633
 634         gtk_clist_thaw(GTK_CLIST(ctree));
 635         main_window_cursor_normal(mainwin);
 636         STATUSBAR_POP(mainwin);
 637 }
 638
 639 void folderview_set_all(void)
 640 {
 641         GList *list;
 642
 643         for (list = folderview_list; list != NULL; list = list->next)
 644                 folderview_set((FolderView *)list->data);
 645 }
 646
 647 void folderview_select(FolderView *folderview, FolderItem *item)
 648 {
 649         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 650         GtkCTreeNode *node;
 651         GtkCTreeNode *old_selected = folderview->selected;
 652
 653         if (!item) return;
 654
 655         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 656         if (node) folderview_select_node(folderview, node);
 657
 658         if (old_selected != node)
 659                 folder_update_op_count();
 660 }
 661
 662 static void mark_all_read_cb(FolderView *folderview, guint action,
 663                              GtkWidget *widget)
 664 {
 665         if (folderview->selected)
 666                 summary_mark_all_read(folderview->summaryview);
 667 }
 668
 669 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 670 {
 671         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 672
 673         g_return_if_fail(node != NULL);
 674
 675         folderview->open_folder = TRUE;
 676         gtkut_ctree_set_focus_row(ctree, node);
 677         gtk_ctree_select(ctree, node);
 678         if (folderview->summaryview->folder_item &&
 679             folderview->summaryview->folder_item->total_msgs > 0)
 680                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 681         else
 682                 gtk_widget_grab_focus(folderview->ctree);
 683
 684         gtkut_ctree_expand_parent_all(ctree, node);
 685 }
 686
 687 void folderview_unselect(FolderView *folderview)
 688 {
 689         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 690                 gtk_ctree_collapse
 691                         (GTK_CTREE(folderview->ctree), folderview->opened);
 692
 693         folderview->selected = folderview->opened = NULL;
 694 }
 695
 696 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 697                                                  GtkCTreeNode *node)
 698 {
 699         FolderItem *item;
 700
 701         if (node)
 702                 node = gtkut_ctree_node_next(ctree, node);
 703         else
 704                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 705
 706         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 707                 item = gtk_ctree_node_get_row_data(ctree, node);
 708                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 709                         return node;
 710         }
 711
 712         return NULL;
 713 }
 714
 715 void folderview_select_next_unread(FolderView *folderview)
 716 {
 717         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 718         GtkCTreeNode *node = NULL;
 719
 720         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 721             != NULL) {
 722                 folderview_select_node(folderview, node);
 723                 return;
 724         }
 725
 726         if (!folderview->opened ||
 727             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 728                 return;
 729         /* search again from the first node */
 730         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 731                 folderview_select_node(folderview, node);
 732 }
 733
 734 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 735 {
 736         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 737         static GtkCTreeNode *prev_row = NULL;
 738         FolderItem *item;
 739         gint new, unread, total;
 740         gchar *new_str, *unread_str, *total_str;
 741
 742         if (!row) return;
 743
 744         item = gtk_ctree_node_get_row_data(ctree, row);
 745         if (!item) return;
 746
 747         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 748         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 749         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 750         new = atoi(new_str);
 751         unread = atoi(unread_str);
 752         total = atoi(total_str);
 753
 754         prev_row = row;
 755
 756         folderview_update_node(folderview, row);
 757 }
 758
 759 static void folderview_set_folders(FolderView *folderview)
 760 {
 761         GList *list;
 762
 763         list = folder_get_list();
 764
 765         for (; list != NULL; list = list->next)
 766                 folderview_append_folder(folderview, FOLDER(list->data));
 767 }
 768
 769 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 770                                       gpointer data)
 771 {
 772         GList *list;
 773
 774         for (list = folderview_list; list != NULL; list = list->next) {
 775                 FolderView *folderview = (FolderView *)list->data;
 776                 MainWindow *mainwin = folderview->mainwin;
 777                 gchar *str;
 778
 779                 if (item->path)
 780                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 781                                               item->folder->name, G_DIR_SEPARATOR,
 782                                               item->path);
 783                 else
 784                         str = g_strdup_printf(_("Scanning folder %s ..."),
 785                                               item->folder->name);
 786
 787                 STATUSBAR_PUSH(mainwin, str);
 788                 STATUSBAR_POP(mainwin);
 789                 g_free(str);
 790         }
 791 }
 792
 793 static GtkWidget *label_window_create(const gchar *str)
 794 {
 795         GtkWidget *window;
 796         GtkWidget *label;
 797
 798         window = gtk_window_new(GTK_WINDOW_DIALOG);
 799         gtk_widget_set_usize(window, 380, 60);
 800         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 801         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 802         gtk_window_set_title(GTK_WINDOW(window), str);
 803         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 804         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 805         manage_window_set_transient(GTK_WINDOW(window));
 806
 807         label = gtk_label_new(str);
 808         gtk_container_add(GTK_CONTAINER(window), label);
 809         gtk_widget_show(label);
 810
 811         gtk_widget_show_now(window);
 812
 813         return window;
 814 }
 815
 816 void folderview_rescan_tree(Folder *folder)
 817 {
 818         GtkWidget *window;
 819
 820         g_return_if_fail(folder != NULL);
 821
 822         if (!folder->klass->scan_tree) return;
 823
 824         inc_lock();
 825         window = label_window_create(_("Rebuilding folder tree..."));
 826
 827         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 828         folder_scan_tree(folder);
 829         folder_set_ui_func(folder, NULL, NULL);
 830
 831         folderview_set_all();
 832
 833         gtk_widget_destroy(window);
 834         inc_unlock();
 835 }
 836
 837 /** folderview_check_new()
 838  *  Scan and update the folder and return the
 839  *  count the number of new messages since last check.
 840  *  \param folder the folder to check for new messages
 841  *  \return the number of new messages since last check
 842  */
 843 gint folderview_check_new(Folder *folder)
 844 {
 845         GList *list;
 846         FolderItem *item;
 847         FolderView *folderview;
 848         GtkCTree *ctree;
 849         GtkCTreeNode *node;
 850         gint new_msgs = 0;
 851         gint former_new_msgs = 0;
 852         gint former_new = 0;
 853
 854         for (list = folderview_list; list != NULL; list = list->next) {
 855                 folderview = (FolderView *)list->data;
 856                 ctree = GTK_CTREE(folderview->ctree);
 857
 858                 inc_lock();
 859                 main_window_lock(folderview->mainwin);
 860                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 861
 862                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 863                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 864                         item = gtk_ctree_node_get_row_data(ctree, node);
 865                         if (!item || !item->path || !item->folder) continue;
 866                         if (item->no_select) continue;
 867                         if (folder && folder != item->folder) continue;
 868                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 869
 870                         folderview_scan_tree_func(item->folder, item, NULL);
 871                         former_new = item->new_msgs;
 872                         if (folder_item_scan(item) < 0) {
 873                                 if (folder && !FOLDER_IS_LOCAL(folder))
 874                                         break;
 875                         }
 876                         folderview_update_node(folderview, node);
 877                         new_msgs += item->new_msgs;
 878                         former_new_msgs += former_new;
 879                 }
 880
 881                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 882                 main_window_unlock(folderview->mainwin);
 883                 inc_unlock();
 884         }
 885
 886         folder_write_list();
 887         /* Number of new messages since last check is the just the difference
 888          * between former_new_msgs and new_msgs. If new_msgs is less than
 889          * former_new_msgs, that would mean another session accessed the folder
 890          * and the result is not well defined.
 891          */
 892         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 893         return new_msgs;
 894 }
 895
 896 void folderview_check_new_all(void)
 897 {
 898         GList *list;
 899         GtkWidget *window;
 900         FolderView *folderview;
 901
 902         folderview = (FolderView *)folderview_list->data;
 903
 904         inc_lock();
 905         main_window_lock(folderview->mainwin);
 906         window = label_window_create
 907                 (_("Checking for new messages in all folders..."));
 908
 909         list = folder_get_list();
 910         for (; list != NULL; list = list->next) {
 911                 Folder *folder = list->data;
 912
 913                 folderview_check_new(folder);
 914         }
 915
 916         folder_write_list();
 917         folderview_set_all();
 918
 919         gtk_widget_destroy(window);
 920         main_window_unlock(folderview->mainwin);
 921         inc_unlock();
 922 }
 923
 924 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 925                                                 GtkCTreeNode *node)
 926 {
 927         FolderItem *item;
 928
 929         if (node) {
 930                 item = gtk_ctree_node_get_row_data(ctree, node);
 931                 if (item) {
 932                         if (item->new_msgs > 0 ||
 933                             (item->stype == F_QUEUE && item->total_msgs > 0))
 934                                 return TRUE;
 935                 }
 936                 node = GTK_CTREE_ROW(node)->children;
 937         } else
 938                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 939
 940         while (node) {
 941                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 942                         return TRUE;
 943                 node = GTK_CTREE_ROW(node)->sibling;
 944         }
 945
 946         return FALSE;
 947 }
 948
 949 static gboolean folderview_have_new_children(FolderView *folderview,
 950                                              GtkCTreeNode *node)
 951 {
 952         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 953
 954         if (!node)
 955                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 956         if (!node)
 957                 return FALSE;
 958
 959         node = GTK_CTREE_ROW(node)->children;
 960
 961         while (node) {
 962                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 963                         return TRUE;
 964                 node = GTK_CTREE_ROW(node)->sibling;
 965         }
 966
 967         return FALSE;
 968 }
 969
 970 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 971                                                    GtkCTreeNode *node)
 972 {
 973         FolderItem *item;
 974
 975         if (node) {
 976                 item = gtk_ctree_node_get_row_data(ctree, node);
 977                 if (item) {
 978                         if (item->unread_msgs > 0 ||
 979                             (item->stype == F_QUEUE && item->total_msgs > 0))
 980                                 return TRUE;
 981                 }
 982                 node = GTK_CTREE_ROW(node)->children;
 983         } else
 984                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 985
 986         while (node) {
 987                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 988                         return TRUE;
 989                 node = GTK_CTREE_ROW(node)->sibling;
 990         }
 991
 992         return FALSE;
 993 }
 994
 995 static gboolean folderview_have_unread_children(FolderView *folderview,
 996                                                 GtkCTreeNode *node)
 997 {
 998         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 999
1000         if (!node)
1001                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1002         if (!node)
1003                 return FALSE;
1004
1005         node = GTK_CTREE_ROW(node)->children;
1006
1007         while (node) {
1008                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1009                         return TRUE;
1010                 node = GTK_CTREE_ROW(node)->sibling;
1011         }
1012
1013         return FALSE;
1014 }
1015
1016 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1017 {
1018         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1019         GtkStyle *style = NULL;
1020         GtkStyle *color_style = NULL;
1021         FolderItem *item;
1022         GdkPixmap *xpm, *openxpm;
1023         GdkBitmap *mask, *openmask;
1024         gchar *name;
1025         gchar *str;
1026         gboolean add_unread_mark;
1027         gboolean use_bold, use_color;
1028
1029         item = gtk_ctree_node_get_row_data(ctree, node);
1030         g_return_if_fail(item != NULL);
1031
1032         switch (item->stype) {
1033         case F_INBOX:
1034                 if (item->hide_read_msgs) {
1035                         xpm = inboxhrmxpm;
1036                         mask = inboxhrmxpmmask;
1037                         openxpm = inboxopenhrmxpm;
1038                         openmask = inboxopenhrmxpmmask;
1039                 } else {
1040                         xpm = inboxxpm;
1041                         mask = inboxxpmmask;
1042                         openxpm = inboxopenxpm;
1043                         openmask = inboxopenxpmmask;
1044                 }
1045                 break;
1046         case F_OUTBOX:
1047                 if (item->hide_read_msgs) {
1048                         xpm = outboxhrmxpm;
1049                         mask = outboxhrmxpmmask;
1050                         openxpm = outboxopenhrmxpm;
1051                         openmask = outboxopenhrmxpmmask;
1052                 } else {
1053                         xpm = outboxxpm;
1054                         mask = outboxxpmmask;
1055                         openxpm = outboxopenxpm;
1056                         openmask = outboxopenxpmmask;
1057                 }
1058                 break;
1059         case F_QUEUE:
1060                 if (item->hide_read_msgs) {
1061                         xpm = queuehrmxpm;
1062                         mask = queuehrmxpmmask;
1063                         openxpm = queueopenhrmxpm;
1064                         openmask = queueopenhrmxpmmask;
1065                 } else {
1066                         xpm = queuexpm;
1067                         mask = queuexpmmask;
1068                         openxpm = queueopenxpm;
1069                         openmask = queueopenxpmmask;
1070                 }
1071                 break;
1072         case F_TRASH:
1073                 if (item->hide_read_msgs) {
1074                         xpm = trashhrmxpm;
1075                         mask = trashhrmxpmmask;
1076                         openxpm = trashopenhrmxpm;
1077                         openmask = trashopenhrmxpmmask;
1078                 } else {
1079                         xpm = trashxpm;
1080                         mask = trashxpmmask;
1081                         openxpm = trashopenxpm;
1082                         openmask = trashopenxpmmask;
1083                 }
1084                 break;
1085         case F_DRAFT:
1086                 xpm = draftsxpm;
1087                 mask = draftsxpmmask;
1088                 openxpm = draftsopenxpm;
1089                 openmask = draftsopenxpmmask;
1090                 break;
1091         default:
1092                 if (item->hide_read_msgs) {
1093                         xpm = folderhrmxpm;
1094                         mask = folderhrmxpmmask;
1095                         openxpm = folderopenhrmxpm;
1096                         openmask = folderopenhrmxpmmask;
1097                 } else {
1098                         xpm = folderxpm;
1099                         mask = folderxpmmask;
1100                         openxpm = folderopenxpm;
1101                         openmask = folderopenxpmmask;
1102                 }
1103         }
1104         name = folder_item_get_name(item);
1105
1106         if (!GTK_CTREE_ROW(node)->expanded &&
1107             folderview_have_unread_children(folderview, node))
1108                 add_unread_mark = TRUE;
1109         else
1110                 add_unread_mark = FALSE;
1111
1112         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1113             prefs_common.display_folder_unread) {
1114                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1115                                       add_unread_mark ? "+" : "");
1116                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1117                                         xpm, mask, openxpm, openmask,
1118                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1119                 g_free(str);
1120         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1121                  prefs_common.display_folder_unread) {
1122
1123                 if (item->unread_msgs > 0)
1124                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1125                                               add_unread_mark ? "+" : "",
1126                                               item->unreadmarked_msgs > 0 ? "!":"");
1127                 else
1128                         str = g_strdup_printf("%s (+)", name);
1129                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1130                                         xpm, mask, openxpm, openmask,
1131                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1132                 g_free(str);
1133         } else {
1134                 str = g_strdup_printf("%s%s", name,
1135                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1136
1137                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1138                                         xpm, mask, openxpm, openmask,
1139                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1140                 g_free(str);
1141         }
1142         g_free(name);
1143
1144         if (!item->parent) {
1145                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1146                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1147                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1148         } else {
1149                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1150                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1151                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1152         }
1153
1154         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1155             item->stype == F_TRASH) {
1156                 use_bold = use_color = FALSE;
1157         } else if (item->stype == F_QUEUE) {
1158                 /* highlight queue folder if there are any messages */
1159                 use_bold = use_color = (item->total_msgs > 0);
1160         } else {
1161                 /* if unread messages exist, print with bold font */
1162                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1163                 /* if new messages exist, print with colored letter */
1164                 use_color =
1165                         (item->new_msgs > 0) ||
1166                         (add_unread_mark &&
1167                          folderview_have_new_children(folderview, node));
1168         }
1169
1170         gtk_ctree_node_set_foreground(ctree, node, NULL);
1171
1172         if (use_bold) {
1173                 if (item->prefs->color > 0 && !use_color) {
1174                         GdkColor gdk_color;
1175
1176                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1177                         color_style = gtk_style_copy(bold_style);
1178                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1179                         style = color_style;
1180                 } else if (use_color)
1181                         style = bold_color_style;
1182                 else
1183                         style = bold_style;
1184                 if (item->op_count > 0) {
1185                         style = bold_tgtfold_style;
1186                 }
1187         } else if (use_color) {
1188                 style = normal_color_style;
1189                 gtk_ctree_node_set_foreground(ctree, node,
1190                                               &folderview->color_new);
1191         } else if (item->op_count > 0) {
1192                 style = bold_tgtfold_style;
1193         } else if (item->prefs->color > 0) {
1194                 GdkColor gdk_color;
1195
1196                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1197                 color_style = gtk_style_copy(normal_style);
1198                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1199                 style = color_style;
1200         } else {
1201                 style = normal_style;
1202         }
1203
1204         gtk_ctree_node_set_row_style(ctree, node, style);
1205
1206         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1207                 folderview_update_node(folderview, node);
1208 }
1209
1210 gboolean folderview_update_item(gpointer source, gpointer data)
1211 {
1212         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1213         FolderView *folderview = (FolderView *)data;
1214         GtkCTree *ctree;
1215         GtkCTreeNode *node;
1216
1217         g_return_val_if_fail(update_info != NULL, TRUE);
1218         g_return_val_if_fail(update_info->item != NULL, TRUE);
1219         g_return_val_if_fail(folderview != NULL, FALSE);
1220
1221         ctree = GTK_CTREE(folderview->ctree);
1222
1223         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1224         if (node) {
1225                 if (update_info->update_flags & F_ITEM_UPDATE_MSGCNT)
1226                         folderview_update_node(folderview, node);
1227                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1228                         summary_show(folderview->summaryview, update_info->item);
1229         }
1230
1231         return FALSE;
1232 }
1233
1234 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1235                                       GNode *gnode, GtkCTreeNode *cnode,
1236                                       gpointer data)
1237 {
1238         FolderView *folderview = (FolderView *)data;
1239         FolderItem *item = FOLDER_ITEM(gnode->data);
1240
1241         g_return_val_if_fail(item != NULL, FALSE);
1242
1243         gtk_ctree_node_set_row_data(ctree, cnode, item);
1244         folderview_update_node(folderview, cnode);
1245
1246         return TRUE;
1247 }
1248
1249 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1250                                    gpointer data)
1251 {
1252         FolderView *folderview = (FolderView *)data;
1253         FolderItem *item;
1254
1255         if (GTK_CTREE_ROW(node)->children) {
1256                 item = gtk_ctree_node_get_row_data(ctree, node);
1257                 g_return_if_fail(item != NULL);
1258
1259                 if (!item->collapsed)
1260                         gtk_ctree_expand(ctree, node);
1261                 else
1262                         folderview_update_node(folderview, node);
1263         }
1264 }
1265
1266 #define SET_SPECIAL_FOLDER(ctree, item) \
1267 { \
1268         if (item) { \
1269                 GtkCTreeNode *node, *parent, *sibling; \
1270  \
1271                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
1272                 if (!node) \
1273                         g_warning("%s not found.\n", item->path); \
1274                 else { \
1275                         parent = GTK_CTREE_ROW(node)->parent; \
1276                         if (prev && parent == GTK_CTREE_ROW(prev)->parent) \
1277                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
1278                         else \
1279                                 sibling = GTK_CTREE_ROW(parent)->children; \
1280                         while (sibling) { \
1281                                 FolderItem *tmp; \
1282  \
1283                                 tmp = gtk_ctree_node_get_row_data \
1284                                         (ctree, sibling); \
1285                                 if (tmp->stype != F_NORMAL) \
1286                                         sibling = GTK_CTREE_ROW(sibling)->sibling; \
1287                                 else \
1288                                         break; \
1289                         } \
1290                         if (node != sibling) \
1291                                 gtk_ctree_move(ctree, node, parent, sibling); \
1292                 } \
1293  \
1294                 prev = node; \
1295         } \
1296 }
1297
1298 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1299                                     Folder *folder)
1300 {
1301         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1302         GtkCTreeNode *prev = NULL;
1303
1304         gtk_sctree_sort_recursive(ctree, root);
1305
1306         if (root && GTK_CTREE_ROW(root)->parent) return;
1307
1308         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1309         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1310         SET_SPECIAL_FOLDER(ctree, folder->draft);
1311         SET_SPECIAL_FOLDER(ctree, folder->queue);
1312         SET_SPECIAL_FOLDER(ctree, folder->trash);
1313 }
1314
1315 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1316 {
1317         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1318         GtkCTreeNode *root;
1319
1320         g_return_if_fail(folder != NULL);
1321
1322         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1323                                       folderview_gnode_func, folderview);
1324         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1325                                 folderview);
1326         folderview_sort_folders(folderview, root, folder);
1327 }
1328
1329 void folderview_new_folder(FolderView *folderview)
1330 {
1331         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1332         FolderItem *item;
1333
1334         if (!folderview->selected) return;
1335
1336         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1337         g_return_if_fail(item != NULL);
1338         g_return_if_fail(item->folder != NULL);
1339
1340         switch (FOLDER_TYPE(item->folder)) {
1341         case F_MBOX:
1342                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1343                 break;
1344         case F_MH:
1345         case F_MAILDIR:
1346                 folderview_new_folder_cb(folderview, 0, NULL);
1347                 break;
1348         case F_IMAP:
1349                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1350                 break;
1351         case F_NEWS:
1352         default:
1353                 break;
1354         }
1355 }
1356
1357 void folderview_rename_folder(FolderView *folderview)
1358 {
1359         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1360         FolderItem *item;
1361
1362         if (!folderview->selected) return;
1363
1364         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1365         g_return_if_fail(item != NULL);
1366         g_return_if_fail(item->folder != NULL);
1367         if (!item->path) return;
1368         if (item->stype != F_NORMAL) return;
1369
1370         switch (FOLDER_TYPE(item->folder)) {
1371         case F_MBOX:
1372                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1373                 break;
1374         case F_MH:
1375         case F_MAILDIR:
1376         case F_IMAP:
1377                 folderview_rename_folder_cb(folderview, 0, NULL);
1378                 break;
1379         case F_NEWS:
1380         default:
1381                 break;
1382         }
1383 }
1384
1385 void folderview_delete_folder(FolderView *folderview)
1386 {
1387         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1388         FolderItem *item;
1389
1390         if (!folderview->selected) return;
1391
1392         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1393         g_return_if_fail(item != NULL);
1394         g_return_if_fail(item->folder != NULL);
1395         if (!item->path) return;
1396         if (item->stype != F_NORMAL) return;
1397
1398         switch (FOLDER_TYPE(item->folder)) {
1399         case F_MH:
1400         case F_MBOX:
1401         case F_MAILDIR:
1402         case F_IMAP:
1403                 folderview_delete_folder_cb(folderview, 0, NULL);
1404                 break;
1405         case F_NEWS:
1406         default:
1407                 break;
1408         }
1409 }
1410
1411
1412 /* callback functions */
1413
1414 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1415                                       FolderView *folderview)
1416 {
1417         GtkCList *clist = GTK_CLIST(ctree);
1418         gint prev_row = -1, row = -1, column = -1;
1419         FolderItem *item;
1420         Folder *folder;
1421         GtkWidget *popup;
1422         gboolean mark_all_read   = FALSE;
1423         gboolean new_folder      = FALSE;
1424         gboolean rename_folder   = FALSE;
1425         gboolean move_folder     = FALSE;
1426         gboolean delete_folder   = FALSE;
1427         gboolean update_tree     = FALSE;
1428         gboolean rescan_tree     = FALSE;
1429         gboolean remove_tree     = FALSE;
1430         gboolean search_folder   = FALSE;
1431         gboolean folder_property = FALSE;
1432         gboolean folder_processing  = FALSE;
1433         gboolean folder_scoring  = FALSE;
1434
1435         if (!event) return;
1436
1437         if (event->button == 1) {
1438                 folderview->open_folder = TRUE;
1439                 return;
1440         }
1441
1442         if (event->button == 2 || event->button == 3) {
1443                 /* right clicked */
1444                 if (clist->selection) {
1445                         GtkCTreeNode *node;
1446
1447                         node = GTK_CTREE_NODE(clist->selection->data);
1448                         if (node)
1449                                 prev_row = gtkut_ctree_get_nth_from_node
1450                                         (GTK_CTREE(ctree), node);
1451                 }
1452
1453                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1454                                                   &row, &column))
1455                         return;
1456                 if (prev_row != row) {
1457                         gtk_clist_unselect_all(clist);
1458                         if (event->button == 2)
1459                                 folderview_select_node
1460                                         (folderview,
1461                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1462                                                             row));
1463                         else
1464                                 gtk_clist_select_row(clist, row, column);
1465                 }
1466         }
1467
1468         if (event->button != 3) return;
1469
1470         item = gtk_clist_get_row_data(clist, row);
1471         g_return_if_fail(item != NULL);
1472         g_return_if_fail(item->folder != NULL);
1473         folder = item->folder;
1474
1475         if (folderview->mainwin->lock_count == 0) {
1476                 new_folder = TRUE;
1477                 if (item->parent == NULL) {
1478                         update_tree = remove_tree = TRUE;
1479                         if (folder->account)
1480                                 folder_property = TRUE;
1481                 } else
1482                         mark_all_read = search_folder = folder_property = TRUE;
1483
1484                 if (FOLDER_IS_LOCAL(folder) || FOLDER_TYPE(folder) == F_IMAP || FOLDER_TYPE(folder) == F_MBOX) {
1485                         if (item->parent == NULL)
1486                                 update_tree = rescan_tree = TRUE;
1487                         else if (item->stype == F_NORMAL)
1488                                 move_folder = rename_folder = delete_folder = folder_scoring = folder_processing = TRUE;
1489                         else if (item->stype == F_INBOX)
1490                                 folder_scoring = folder_processing = TRUE;
1491                         else if (item->stype == F_TRASH)
1492                                 folder_processing = TRUE;
1493                         else if (item->stype == F_OUTBOX)
1494                                 folder_processing = TRUE;
1495                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
1496                         if (item->parent != NULL)
1497                                 delete_folder = folder_scoring = folder_processing = TRUE;
1498                 }
1499                 if (item->unread_msgs < 1)
1500                         mark_all_read = FALSE;
1501         }
1502
1503 #define SET_SENS(factory, name, sens) \
1504         menu_set_sensitive(folderview->factory, name, sens)
1505
1506         mark_all_read = mark_all_read &&
1507                         (item == folderview->summaryview->folder_item);
1508
1509         if (FOLDER_IS_LOCAL(folder)) {
1510                 popup = folderview->mail_popup;
1511                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1512                 SET_SENS(mail_factory, "/Mark all read", mark_all_read);
1513                 SET_SENS(mail_factory, "/Create new folder...", new_folder);
1514                 SET_SENS(mail_factory, "/Rename folder...", rename_folder);
1515                 SET_SENS(mail_factory, "/Move folder...", move_folder);
1516                 SET_SENS(mail_factory, "/Delete folder", delete_folder);
1517                 SET_SENS(mail_factory, "/Check for new messages", update_tree);
1518                 SET_SENS(mail_factory, "/Rebuild folder tree", rescan_tree);
1519                 SET_SENS(mail_factory, "/Remove mailbox", remove_tree);
1520                 SET_SENS(mail_factory, "/Search folder...", search_folder);
1521                 SET_SENS(mail_factory, "/Properties...", folder_property);
1522                 SET_SENS(mail_factory, "/Processing...", folder_processing);
1523                 SET_SENS(mail_factory, "/Scoring...", folder_scoring);
1524         } else if (FOLDER_TYPE(folder) == F_IMAP) {
1525                 popup = folderview->imap_popup;
1526                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1527                 SET_SENS(imap_factory, "/Mark all read", mark_all_read);
1528                 SET_SENS(imap_factory, "/Create new folder...", new_folder);
1529                 SET_SENS(imap_factory, "/Rename folder...", rename_folder);
1530                 SET_SENS(imap_factory, "/Move folder...", move_folder);
1531                 SET_SENS(imap_factory, "/Delete folder", delete_folder);
1532                 SET_SENS(imap_factory, "/Check for new messages", update_tree);
1533                 SET_SENS(imap_factory, "/Rebuild folder tree", rescan_tree);
1534                 SET_SENS(imap_factory, "/Remove IMAP4 account", remove_tree);
1535                 SET_SENS(imap_factory, "/Search folder...", search_folder);
1536                 SET_SENS(imap_factory, "/Properties...", folder_property);
1537                 SET_SENS(imap_factory, "/Processing...", folder_processing);
1538                 SET_SENS(imap_factory, "/Scoring...", folder_scoring);
1539         } else if (FOLDER_TYPE(folder) == F_NEWS) {
1540                 popup = folderview->news_popup;
1541                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1542                 SET_SENS(news_factory, "/Mark all read", mark_all_read);
1543                 SET_SENS(news_factory, "/Subscribe to newsgroup...", new_folder);
1544                 SET_SENS(news_factory, "/Remove newsgroup", delete_folder);
1545                 SET_SENS(news_factory, "/Check for new messages", update_tree);
1546                 SET_SENS(news_factory, "/Remove news account", remove_tree);
1547                 SET_SENS(news_factory, "/Search folder...", search_folder);
1548                 SET_SENS(news_factory, "/Properties...", folder_property);
1549                 SET_SENS(news_factory, "/Processing...", folder_processing);
1550                 SET_SENS(news_factory, "/Scoring...", folder_scoring);
1551         } else if (FOLDER_TYPE(folder) == F_MBOX) {
1552                 popup = folderview->mbox_popup;
1553                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1554                 SET_SENS(mbox_factory, "/Create new folder...", new_folder);
1555                 SET_SENS(mbox_factory, "/Rename folder...", rename_folder);
1556                 SET_SENS(mbox_factory, "/Move folder...", move_folder);
1557                 SET_SENS(mbox_factory, "/Delete folder", delete_folder);
1558                 SET_SENS(news_factory, "/Properties...", folder_property);
1559                 SET_SENS(mbox_factory, "/Processing...", folder_processing);
1560                 SET_SENS(mbox_factory, "/Scoring...", folder_scoring);
1561         } else
1562                 return;
1563
1564 #undef SET_SENS
1565
1566         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1567                        event->button, event->time);
1568 }
1569
1570 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1571                                        FolderView *folderview)
1572 {
1573         if (!event) return;
1574
1575         if (event->button == 1 && folderview->open_folder == FALSE &&
1576             folderview->opened != NULL) {
1577                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1578                                           folderview->opened);
1579                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1580         }
1581 }
1582
1583 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1584                                    FolderView *folderview)
1585 {
1586         if (!event) return;
1587
1588         switch (event->keyval) {
1589         case GDK_Return:
1590                 if (folderview->selected) {
1591                         folderview_select_node(folderview,
1592                                                folderview->selected);
1593                 }
1594                 break;
1595         case GDK_space:
1596                 if (folderview->selected) {
1597                         if (folderview->opened == folderview->selected &&
1598                             (!folderview->summaryview->folder_item ||
1599                              folderview->summaryview->folder_item->total_msgs == 0))
1600                                 folderview_select_next_unread(folderview);
1601                         else
1602                                 folderview_select_node(folderview,
1603                                                        folderview->selected);
1604                 }
1605                 break;
1606         default:
1607                 break;
1608         }
1609 }
1610
1611 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1612                                 gint column, FolderView *folderview)
1613 {
1614         static gboolean can_select = TRUE;      /* exclusive lock */
1615         gboolean opened;
1616         FolderItem *item;
1617         gchar *buf;
1618
1619         folderview->selected = row;
1620
1621         if (folderview->opened == row) {
1622                 folderview->open_folder = FALSE;
1623                 return;
1624         }
1625
1626         if (!can_select || summary_is_locked(folderview->summaryview)) {
1627                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1628                 gtk_ctree_select(ctree, folderview->opened);
1629                 return;
1630         }
1631
1632         if (!folderview->open_folder) return;
1633
1634         item = gtk_ctree_node_get_row_data(ctree, row);
1635         if (!item) return;
1636
1637         can_select = FALSE;
1638
1639         /* Save cache for old folder */
1640         /* We don't want to lose all caches if sylpheed crashed */
1641         if (folderview->opened) {
1642                 FolderItem *olditem;
1643
1644                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1645                 if (olditem) {
1646                         /* will be null if we just moved the previously opened folder */
1647                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1648                         folder_item_close(olditem);
1649                 }
1650         }
1651
1652         /* CLAWS: set compose button type: news folder items
1653          * always have a news folder as parent */
1654         if (item->folder)
1655                 toolbar_set_compose_button
1656                         (folderview->mainwin->toolbar,
1657                          FOLDER_TYPE(item->folder) == F_NEWS ?
1658                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1659
1660         if (item->path)
1661                 debug_print("Folder %s is selected\n", item->path);
1662
1663         if (!GTK_CTREE_ROW(row)->children)
1664                 gtk_ctree_expand(ctree, row);
1665         if (folderview->opened &&
1666             !GTK_CTREE_ROW(folderview->opened)->children)
1667                 gtk_ctree_collapse(ctree, folderview->opened);
1668
1669         /* ungrab the mouse event */
1670         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1671                 gtk_grab_remove(GTK_WIDGET(ctree));
1672                 if (gdk_pointer_is_grabbed())
1673                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1674         }
1675
1676         /* Open Folder */
1677         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1678                                         item->path : "(null)");
1679         debug_print("%s\n", buf);
1680         STATUSBAR_PUSH(folderview->mainwin, buf);
1681         g_free(buf);
1682
1683         main_window_cursor_wait(folderview->mainwin);
1684
1685         if (folder_item_open(item) != 0) {
1686                 main_window_cursor_normal(folderview->mainwin);
1687                 STATUSBAR_POP(folderview->mainwin);
1688
1689                 alertpanel_error(_("Folder could not be opened."));
1690
1691                 return;
1692         }
1693
1694         main_window_cursor_normal(folderview->mainwin);
1695
1696         /* Show messages */
1697         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1698         opened = summary_show(folderview->summaryview, item);
1699
1700         folder_clean_cache_memory();
1701
1702         if (!opened) {
1703                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1704                 gtk_ctree_select(ctree, folderview->opened);
1705         } else {
1706                 folderview->opened = row;
1707                 if (gtk_ctree_node_is_visible(ctree, row)
1708                     != GTK_VISIBILITY_FULL)
1709                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1710         }
1711
1712         STATUSBAR_POP(folderview->mainwin);
1713
1714         folderview->open_folder = FALSE;
1715         can_select = TRUE;
1716 }
1717
1718 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1719                                      FolderView *folderview)
1720 {
1721         FolderItem *item;
1722
1723         item = gtk_ctree_node_get_row_data(ctree, node);
1724         g_return_if_fail(item != NULL);
1725         item->collapsed = FALSE;
1726         folderview_update_node(folderview, node);
1727 }
1728
1729 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1730                                       FolderView *folderview)
1731 {
1732         FolderItem *item;
1733
1734         item = gtk_ctree_node_get_row_data(ctree, node);
1735         g_return_if_fail(item != NULL);
1736         item->collapsed= TRUE;
1737         folderview_update_node(folderview, node);
1738 }
1739
1740 static void folderview_popup_close(GtkMenuShell *menu_shell,
1741                                    FolderView *folderview)
1742 {
1743         if (!folderview->opened) return;
1744
1745         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1746                                   folderview->opened);
1747         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1748 }
1749
1750 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1751                                    FolderView *folderview)
1752 {
1753         switch (column) {
1754         case COL_FOLDER:
1755                 prefs_common.folder_col_folder = width;
1756                 break;
1757         case COL_NEW:
1758                 prefs_common.folder_col_new = width;
1759                 break;
1760         case COL_UNREAD:
1761                 prefs_common.folder_col_unread = width;
1762                 break;
1763         case COL_TOTAL:
1764                 prefs_common.folder_col_total = width;
1765                 break;
1766         default:
1767                 break;
1768         }
1769 }
1770
1771 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1772                                              GtkCTreeNode *node,
1773                                              const gchar *name)
1774 {
1775         FolderItem *item;
1776
1777         if (!node)
1778                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1779         if (!node)
1780                 return NULL;
1781
1782         node = GTK_CTREE_ROW(node)->children;
1783
1784         while (node) {
1785                 item = gtk_ctree_node_get_row_data(ctree, node);
1786                 if (!folderview_compare_name(item, name))
1787                         return node;
1788                 node = GTK_CTREE_ROW(node)->sibling;
1789         }
1790
1791         return NULL;
1792 }
1793
1794 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1795                                       GtkWidget *widget)
1796 {
1797         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1798         FolderItem *item;
1799
1800         if (!folderview->selected) return;
1801
1802         summary_show(folderview->summaryview, NULL);
1803
1804         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1805         g_return_if_fail(item != NULL);
1806         g_return_if_fail(item->folder != NULL);
1807
1808         if (action == 0)
1809                 folderview_check_new(item->folder);
1810         else
1811                 folderview_rescan_tree(item->folder);
1812 }
1813
1814 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1815 {
1816         GNode *srcnode;
1817
1818         folderview_create_folder_node(folderview, item);
1819
1820         srcnode = item->folder->node;
1821         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1822         srcnode = srcnode->children;
1823         while (srcnode != NULL) {
1824                 if (srcnode && srcnode->data) {
1825                         FolderItem *next_item = (FolderItem*) srcnode->data;
1826                         folderview_create_folder_node_recursive(folderview, next_item);
1827                 }
1828                 srcnode = srcnode->next;
1829         }
1830 }
1831
1832 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1833 {
1834         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1835         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1836         GtkCTreeNode *node, *parent_node;
1837
1838         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, item->parent);
1839         if (parent_node == NULL)
1840                 return;
1841
1842         gtk_clist_freeze(GTK_CLIST(ctree));
1843
1844         text[COL_FOLDER] = item->name;
1845         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1846                                      FOLDER_SPACING,
1847                                      folderxpm, folderxpmmask,
1848                                      folderopenxpm, folderopenxpmmask,
1849                                      FALSE, FALSE);
1850         gtk_ctree_expand(ctree, parent_node);
1851         gtk_ctree_node_set_row_data(ctree, node, item);
1852         if (normal_style)
1853                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1854         folderview_sort_folders(folderview, folderview->selected, item->folder);
1855
1856         gtk_clist_thaw(GTK_CLIST(ctree));
1857 }
1858
1859 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1860                                      GtkWidget *widget)
1861 {
1862         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1863         FolderItem *item;
1864         FolderItem *new_item;
1865         gchar *new_folder;
1866         gchar *name, *name_;
1867
1868         if (!folderview->selected) return;
1869
1870         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1871         g_return_if_fail(item != NULL);
1872         g_return_if_fail(item->folder != NULL);
1873
1874         new_folder = input_dialog(_("New folder"),
1875                                   _("Input the name of new folder:"),
1876                                   _("NewFolder"));
1877         if (!new_folder) return;
1878
1879         if (FOLDER_TYPE(item->folder) != F_MBOX) {
1880                 if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1881                         alertpanel_error(_("`%c' can't be included in folder name."),
1882                                          G_DIR_SEPARATOR);
1883                         g_free(new_folder);
1884                         return;
1885                 }
1886         }
1887
1888         name_ = trim_string(new_folder, 32);
1889         Xstrdup_a(name, name_, {g_free(new_folder); return;});
1890         g_free(name_);
1891
1892         /* find whether the directory already exists */
1893         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1894                 alertpanel_error(_("The folder `%s' already exists."), name);
1895                 g_free(new_folder);
1896                 return;
1897         }
1898
1899         new_item = folder_create_folder(item, new_folder);
1900         if (!new_item) {
1901                 alertpanel_error(_("Can't create the folder `%s'."), name);
1902                 g_free(new_folder);
1903                 return;
1904         }
1905         g_free(new_folder);
1906
1907         folder_write_list();
1908 }
1909
1910 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1911                                           GtkWidget *widget)
1912 {
1913         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1914         FolderItem *item;
1915         FolderItem *new_item;
1916         gchar *new_folder;
1917
1918         if (!folderview->selected) return;
1919
1920         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1921         g_return_if_fail(item != NULL);
1922         g_return_if_fail(item->folder != NULL);
1923
1924         new_folder = input_dialog(_("New folder"),
1925                                   _("Input the name of new folder:"),
1926                                   _("NewFolder"));
1927         if (!new_folder) return;
1928
1929         /* find whether the directory already exists */
1930         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1931                 alertpanel_error(_("The folder `%s' already exists."),
1932                                  new_folder);
1933                 g_free(new_folder);
1934                 return;
1935         }
1936
1937         new_item = folder_create_folder(item, new_folder);
1938         g_free(new_folder);
1939         if (!new_item) return;
1940
1941         folder_write_list();
1942 }
1943
1944 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1945                                         GtkWidget *widget)
1946 {
1947         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1948         FolderItem *item;
1949         gchar *new_folder;
1950         gchar *name, *name_;
1951         gchar *message;
1952         gchar *old_path;
1953         gchar *old_id;
1954         gchar *new_id;
1955
1956         if (!folderview->selected) return;
1957
1958         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1959         g_return_if_fail(item != NULL);
1960         g_return_if_fail(item->path != NULL);
1961         g_return_if_fail(item->folder != NULL);
1962
1963         name_ = trim_string(item->name, 32);
1964         Xstrdup_a(name, name_, return);
1965         g_free(name_);
1966         message = g_strdup_printf(_("Input new name for `%s':"), name);
1967         new_folder = input_dialog(_("Rename folder"), message,
1968                                   g_basename(item->path));
1969         g_free(message);
1970         if (!new_folder) return;
1971
1972         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1973                 alertpanel_error(_("`%c' can't be included in folder name."),
1974                                  G_DIR_SEPARATOR);
1975                 g_free(new_folder);
1976                 return;
1977         }
1978
1979         if (folderview_find_by_name
1980                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1981                  new_folder)) {
1982                 name = trim_string(new_folder, 32);
1983                 alertpanel_error(_("The folder `%s' already exists."), name);
1984                 g_free(name);
1985                 g_free(new_folder);
1986                 return;
1987         }
1988
1989         Xstrdup_a(old_path, item->path, {g_free(new_folder); return;});
1990         old_id = folder_item_get_identifier(item);
1991
1992         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
1993                 g_free(old_id);
1994                 g_free(new_folder);
1995                 return;
1996         }
1997         g_free(new_folder);
1998
1999         /* if (FOLDER_TYPE(item->folder) == F_MH)
2000                 prefs_filtering_rename_path(old_path, item->path); */
2001         new_id = folder_item_get_identifier(item);
2002         prefs_filtering_rename_path(old_id, new_id);
2003
2004         g_free(old_id);
2005         g_free(new_id);
2006
2007         gtk_clist_freeze(GTK_CLIST(ctree));
2008
2009         folderview_update_node(folderview, folderview->selected);
2010         folderview_sort_folders(folderview,
2011                                 GTK_CTREE_ROW(folderview->selected)->parent,
2012                                 item->folder);
2013         if (folderview->opened == folderview->selected ||
2014             gtk_ctree_is_ancestor(ctree,
2015                                   folderview->selected,
2016                                   folderview->opened)) {
2017                 GtkCTreeNode *node = folderview->opened;
2018                 folderview_unselect(folderview);
2019                 folderview_select_node(folderview, node);
2020         }
2021
2022         gtk_clist_thaw(GTK_CLIST(ctree));
2023
2024         folder_write_list();
2025 }
2026
2027 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
2028                                              guint action,
2029                                              GtkWidget *widget)
2030 {
2031         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2032         FolderItem *item;
2033         gchar *new_folder;
2034         gchar *message;
2035
2036         if (!folderview->selected) return;
2037
2038         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2039         g_return_if_fail(item != NULL);
2040         g_return_if_fail(item->path != NULL);
2041         g_return_if_fail(item->folder != NULL);
2042
2043         message = g_strdup_printf(_("Input new name for `%s':"),
2044                                   g_basename(item->path));
2045         new_folder = input_dialog(_("Rename folder"), message,
2046                                   g_basename(item->path));
2047         g_free(message);
2048         if (!new_folder) return;
2049
2050         if (folderview_find_by_name
2051                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2052                  new_folder)) {
2053                 alertpanel_error(_("The folder `%s' already exists."),
2054                                  new_folder);
2055                 g_free(new_folder);
2056                 return;
2057         }
2058
2059         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
2060                 g_free(new_folder);
2061                 return;
2062         }
2063         g_free(new_folder);
2064
2065         gtk_clist_freeze(GTK_CLIST(ctree));
2066
2067         folderview_update_node(folderview, folderview->selected);
2068         folderview_sort_folders(folderview,
2069                                 GTK_CTREE_ROW(folderview->selected)->parent,
2070                                 item->folder);
2071         if (folderview->opened == folderview->selected) {
2072                 if (!GTK_CTREE_ROW(folderview->opened)->children)
2073                         gtk_ctree_expand(ctree, folderview->opened);
2074                 summary_show(folderview->summaryview, item);
2075         }
2076
2077         gtk_clist_thaw(GTK_CLIST(ctree));
2078
2079         folder_write_list();
2080 }
2081
2082 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
2083                                         GtkWidget *widget)
2084 {
2085         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2086         FolderItem *item;
2087         gchar *message, *name, *name_;
2088         AlertValue avalue;
2089         gchar *old_path;
2090         gchar *old_id;
2091
2092         if (!folderview->selected) return;
2093
2094         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2095         g_return_if_fail(item != NULL);
2096         g_return_if_fail(item->path != NULL);
2097         g_return_if_fail(item->folder != NULL);
2098
2099         name_ = trim_string(item->name, 32);
2100         Xstrdup_a(name, name_, return);
2101         g_free(name_);
2102         message = g_strdup_printf
2103                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
2104                    "Do you really want to delete?"), name);
2105         avalue = alertpanel(_("Delete folder"), message,
2106                             _("Yes"), _("+No"), NULL);
2107         g_free(message);
2108         if (avalue != G_ALERTDEFAULT) return;
2109
2110         Xstrdup_a(old_path, item->path, return);
2111         old_id = folder_item_get_identifier(item);
2112
2113         if (folderview->opened == folderview->selected ||
2114             gtk_ctree_is_ancestor(ctree,
2115                                   folderview->selected,
2116                                   folderview->opened)) {
2117                 summary_clear_all(folderview->summaryview);
2118                 folderview->opened = NULL;
2119         }
2120
2121         if (item->folder->klass->remove_folder(item->folder, item) < 0) {
2122                 alertpanel_error(_("Can't remove the folder `%s'."), name);
2123                 if (folderview->opened == folderview->selected)
2124                         summary_show(folderview->summaryview,
2125                                      folderview->summaryview->folder_item);
2126                 g_free(old_id);
2127                 return;
2128         }
2129
2130         folder_write_list();
2131
2132         prefs_filtering_delete_path(old_id);
2133         g_free(old_id);
2134
2135 }
2136
2137 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
2138                                          GtkWidget *widget)
2139 {
2140         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2141         GtkCTreeNode *node;
2142         FolderItem *item;
2143         gchar *name, *name_;
2144         gchar *message;
2145         AlertValue avalue;
2146
2147         if (!folderview->selected) return;
2148         node = folderview->selected;
2149         item = gtk_ctree_node_get_row_data(ctree, node);
2150         g_return_if_fail(item != NULL);
2151         g_return_if_fail(item->folder != NULL);
2152         if (item->parent) return;
2153
2154         name_ = trim_string(item->folder->name, 32);
2155         Xstrdup_a(name, name_, return);
2156         g_free(name_);
2157         message = g_strdup_printf
2158                 (_("Really remove the mailbox `%s' ?\n"
2159                    "(The messages are NOT deleted from the disk)"), name);
2160         avalue = alertpanel(_("Remove mailbox"), message,
2161                             _("Yes"), _("+No"), NULL);
2162         g_free(message);
2163         if (avalue != G_ALERTDEFAULT) return;
2164
2165         folderview_unselect(folderview);
2166         summary_clear_all(folderview->summaryview);
2167         gtk_ctree_remove_node(ctree, node);
2168
2169         folder_destroy(item->folder);
2170         folder_write_list();
2171 }
2172
2173 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
2174                                           GtkWidget *widget)
2175 {
2176         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2177         FolderItem *item;
2178         FolderItem *new_item;
2179         gchar *new_folder;
2180         gchar *name, *name_;
2181         gchar *p;
2182
2183         if (!folderview->selected) return;
2184
2185         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2186         g_return_if_fail(item != NULL);
2187         g_return_if_fail(item->folder != NULL);
2188         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2189         g_return_if_fail(item->folder->account != NULL);
2190
2191         new_folder = input_dialog
2192                 (_("New folder"),
2193                  _("Input the name of new folder:\n"
2194                    "(if you want to create a folder to store subfolders,\n"
2195                    " append `/' at the end of the name)"),
2196                  _("NewFolder"));
2197         if (!new_folder) return;
2198
2199         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
2200             *(p + 1) != '\0') {
2201                 alertpanel_error(_("`%c' can't be included in folder name."),
2202                                  G_DIR_SEPARATOR);
2203                 g_free(new_folder);
2204                 return;
2205         }
2206
2207         name_ = trim_string(new_folder, 32);
2208         Xstrdup_a(name, name_, return);
2209         g_free(name_);
2210
2211         /* find whether the directory already exists */
2212         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
2213                 alertpanel_error(_("The folder `%s' already exists."), name);
2214                 g_free(new_folder);
2215                 return;
2216         }
2217
2218         new_item = folder_create_folder(item, new_folder);
2219         if (!new_item) {
2220                 alertpanel_error(_("Can't create the folder `%s'."), name);
2221                 g_free(new_folder);
2222                 return;
2223         }
2224         g_free(new_folder);
2225
2226         folder_write_list();
2227 }
2228
2229 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
2230                                          GtkWidget *widget)
2231 {
2232         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2233         FolderItem *item;
2234         PrefsAccount *account;
2235         gchar *name, *name_;
2236         gchar *message;
2237         AlertValue avalue;
2238
2239         if (!folderview->selected) return;
2240
2241         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2242         g_return_if_fail(item != NULL);
2243         g_return_if_fail(item->folder != NULL);
2244         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2245         g_return_if_fail(item->folder->account != NULL);
2246
2247         name_ = trim_string(item->folder->name, 32);
2248         Xstrdup_a(name, name_, return);
2249         g_free(name_);
2250         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"), name);
2251         avalue = alertpanel(_("Delete IMAP4 account"), message,
2252                             _("Yes"), _("+No"), NULL);
2253         g_free(message);
2254
2255         if (avalue != G_ALERTDEFAULT) return;
2256
2257         if (folderview->opened == folderview->selected ||
2258             gtk_ctree_is_ancestor(ctree,
2259                                   folderview->selected,
2260                                   folderview->opened)) {
2261                 summary_clear_all(folderview->summaryview);
2262                 folderview->opened = NULL;
2263         }
2264
2265         account = item->folder->account;
2266         folder_destroy(item->folder);
2267         account_destroy(account);
2268         gtk_ctree_remove_node(ctree, folderview->selected);
2269         account_set_menu();
2270         main_window_reflect_prefs_all();
2271         folder_write_list();
2272 }
2273
2274 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
2275                                          GtkWidget *widget)
2276 {
2277         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2278         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2279         GtkCTreeNode *servernode, *node;
2280         Folder *folder;
2281         FolderItem *item;
2282         FolderItem *rootitem;
2283         FolderItem *newitem;
2284         GSList *new_subscr;
2285         GSList *cur;
2286         GNode *gnode;
2287
2288         if (!folderview->selected) return;
2289
2290         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2291         g_return_if_fail(item != NULL);
2292         folder = item->folder;
2293         g_return_if_fail(folder != NULL);
2294         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
2295         g_return_if_fail(folder->account != NULL);
2296
2297         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
2298                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
2299         else
2300                 servernode = folderview->selected;
2301
2302         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
2303
2304         new_subscr = grouplist_dialog(folder);
2305
2306         /* remove unsubscribed newsgroups */
2307         for (gnode = folder->node->children; gnode != NULL; ) {
2308                 GNode *next = gnode->next;
2309
2310                 item = FOLDER_ITEM(gnode->data);
2311                 if (g_slist_find_custom(new_subscr, item->path,
2312                                         (GCompareFunc)g_strcasecmp) != NULL) {
2313                         gnode = next;
2314                         continue;
2315                 }
2316
2317                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
2318                 if (!node) {
2319                         gnode = next;
2320                         continue;
2321                 }
2322
2323                 if (folderview->opened == node) {
2324                         summary_clear_all(folderview->summaryview);
2325                         folderview->opened = NULL;
2326                 }
2327
2328                 folder_item_remove(item);
2329                 gtk_ctree_remove_node(ctree, node);
2330
2331                 gnode = next;
2332         }
2333
2334         gtk_clist_freeze(GTK_CLIST(ctree));
2335
2336         /* add subscribed newsgroups */
2337         for (cur = new_subscr; cur != NULL; cur = cur->next) {
2338                 gchar *name = (gchar *)cur->data;
2339
2340                 if (folderview_find_by_name(ctree, servernode, name) != NULL)
2341                         continue;
2342
2343                 text[COL_FOLDER] = name;
2344                 node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
2345                                              FOLDER_SPACING,
2346                                              folderxpm, folderxpmmask,
2347                                              folderopenxpm, folderopenxpmmask,
2348                                              FALSE, FALSE);
2349                 gtk_ctree_expand(ctree, servernode);
2350
2351                 newitem = folder_item_new(folder, name, name);
2352                 folder_item_append(rootitem, newitem);
2353                 gtk_ctree_node_set_row_data(ctree, node, newitem);
2354         }
2355
2356         folderview_sort_folders(folderview, servernode, folder);
2357         gtk_clist_thaw(GTK_CLIST(ctree));
2358
2359         slist_free_strings(new_subscr);
2360         g_slist_free(new_subscr);
2361
2362         folder_write_list();
2363 }
2364
2365 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
2366                                         GtkWidget *widget)
2367 {
2368         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2369         FolderItem *item;
2370         gchar *name, *name_;
2371         gchar *message;
2372         AlertValue avalue;
2373
2374         if (!folderview->selected) return;
2375
2376         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2377         g_return_if_fail(item != NULL);
2378         g_return_if_fail(item->folder != NULL);
2379         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2380         g_return_if_fail(item->folder->account != NULL);
2381
2382         name_ = trim_string(item->path, 32);
2383         Xstrdup_a(name, name_, return);
2384         g_free(name_);
2385         message = g_strdup_printf(_("Really delete newsgroup `%s'?"), name);
2386         avalue = alertpanel(_("Delete newsgroup"), message,
2387                             _("Yes"), _("+No"), NULL);
2388         g_free(message);
2389         if (avalue != G_ALERTDEFAULT) return;
2390
2391         if (folderview->opened == folderview->selected) {
2392                 summary_clear_all(folderview->summaryview);
2393                 folderview->opened = NULL;
2394         }
2395
2396         folder_item_remove(item);
2397         folder_write_list();
2398
2399         prefs_filtering_delete_path(name);
2400 }
2401
2402 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
2403                                          GtkWidget *widget)
2404 {
2405         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2406         FolderItem *item;
2407         PrefsAccount *account;
2408         gchar *name, *name_;
2409         gchar *message;
2410         AlertValue avalue;
2411
2412         if (!folderview->selected) return;
2413
2414         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2415         g_return_if_fail(item != NULL);
2416         g_return_if_fail(item->folder != NULL);
2417         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2418         g_return_if_fail(item->folder->account != NULL);
2419
2420         name_ = trim_string(item->folder->name, 32);
2421         Xstrdup_a(name, name_, return);
2422         g_free(name_);
2423         message = g_strdup_printf(_("Really delete news account `%s'?"), name);
2424         avalue = alertpanel(_("Delete news account"), message,
2425                             _("Yes"), _("+No"), NULL);
2426         g_free(message);
2427
2428         if (avalue != G_ALERTDEFAULT) return;
2429
2430         if (folderview->opened == folderview->selected ||
2431             gtk_ctree_is_ancestor(ctree,
2432                                   folderview->selected,
2433                                   folderview->opened)) {
2434                 summary_clear_all(folderview->summaryview);
2435                 folderview->opened = NULL;
2436         }
2437
2438         account = item->folder->account;
2439         folder_destroy(item->folder);
2440         account_destroy(account);
2441         gtk_ctree_remove_node(ctree, folderview->selected);
2442         account_set_menu();
2443         main_window_reflect_prefs_all();
2444         folder_write_list();
2445 }
2446
2447 static void folderview_search_cb(FolderView *folderview, guint action,
2448                                  GtkWidget *widget)
2449 {
2450         summary_search(folderview->summaryview);
2451 }
2452
2453 static void folderview_property_cb(FolderView *folderview, guint action,
2454                                    GtkWidget *widget)
2455 {
2456         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2457         FolderItem *item;
2458
2459         if (!folderview->selected) return;
2460
2461         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2462         g_return_if_fail(item != NULL);
2463         g_return_if_fail(item->folder != NULL);
2464
2465         if (item->parent == NULL && item->folder->account)
2466                 account_open(item->folder->account);
2467         else {
2468                 prefs_folder_item_open(item);
2469         }
2470 }
2471
2472 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2473 {
2474         GSList *list = NULL;
2475         GSList *done = NULL;
2476         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2477
2478         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2479                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2480                 &&  list->data != node) {
2481                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2482                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2483                 }
2484         }
2485         for (list = done; list != NULL; list = g_slist_next(list)) {
2486                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2487                                                                  list->data);
2488         }
2489         g_slist_free(done);
2490 }
2491
2492 static void folderview_recollapse_all_nodes(FolderView *folderview)
2493 {
2494         GSList *list = folderview->nodes_to_recollapse;
2495         if (!list) return;
2496         for (; list != NULL; list = g_slist_next(list))
2497                 if (list->data)
2498                         gtk_ctree_collapse(GTK_CTREE(folderview->ctree),
2499                                            GTK_CTREE_NODE(list->data));
2500         g_slist_free(folderview->nodes_to_recollapse);
2501         folderview->nodes_to_recollapse = NULL;
2502 }
2503
2504 static void folderview_move_to_cb(FolderView *folderview)
2505 {
2506         FolderItem *from_folder = NULL, *to_folder = NULL;
2507
2508         if (folderview->selected)
2509                 from_folder = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree), folderview->selected);
2510         if (!from_folder || FOLDER_TYPE(from_folder->folder) == F_NEWS)
2511                 return;
2512
2513         to_folder = foldersel_folder_sel(from_folder->folder, FOLDER_SEL_MOVE, NULL);
2514
2515         if (!to_folder || FOLDER_TYPE(to_folder->folder) == F_NEWS)
2516                 return;
2517
2518         folderview_move_to(folderview, from_folder, to_folder);
2519 }
2520
2521 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
2522                                FolderItem *to_folder)
2523 {
2524         FolderItem *from_parent = NULL;
2525         FolderItem *new_folder = NULL;
2526         GtkCTreeNode *src_node = NULL;
2527         gchar *buf;
2528         gint status;
2529
2530         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2531         from_parent = from_folder->parent;
2532         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2533         STATUSBAR_PUSH(folderview->mainwin, buf);
2534         g_free(buf);
2535         summary_clear_all(folderview->summaryview);
2536         folderview->opened = NULL;
2537         folderview->selected = NULL;
2538         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2539         inc_lock();
2540         main_window_cursor_wait(folderview->mainwin);
2541         statusbar_verbosity_set(TRUE);
2542         folder_item_update_freeze();
2543         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2544                 statusbar_verbosity_set(FALSE);
2545                 main_window_cursor_normal(folderview->mainwin);
2546                 STATUSBAR_POP(folderview->mainwin);
2547                 folder_item_update_thaw();
2548                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2549
2550                 folderview_sort_folders(folderview,
2551                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2552                                 NULL, new_folder->parent), new_folder->folder);
2553                 folderview_select(folderview, new_folder);
2554         } else {
2555                 statusbar_verbosity_set(FALSE);
2556                 main_window_cursor_normal(folderview->mainwin);
2557                 STATUSBAR_POP(folderview->mainwin);
2558                 folder_item_update_thaw();
2559                 switch (status) {
2560                 case F_MOVE_FAILED_DEST_IS_PARENT:
2561                         alertpanel_error(_("Source and destination are the same."));
2562                         break;
2563                 case F_MOVE_FAILED_DEST_IS_CHILD:
2564                         alertpanel_error(_("Can't move a folder to one of its children."));
2565                         break;
2566                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2567                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2568                         break;
2569                 default:
2570                         alertpanel_error(_("Move failed!"));
2571                         break;
2572                 }
2573         }
2574         inc_unlock();
2575         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2576 }
2577
2578 static gint folderview_clist_compare(GtkCList *clist,
2579                                      gconstpointer ptr1, gconstpointer ptr2)
2580 {
2581         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2582         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2583
2584         if (!item1->name)
2585                 return (item2->name != NULL);
2586         if (!item2->name)
2587                 return -1;
2588
2589         return g_strcasecmp(item1->name, item2->name);
2590 }
2591
2592 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2593 {
2594         const FolderItem *item = a;
2595         const gchar *name = b;
2596
2597         if (!item->path) return -1;
2598         return strcmp2(g_basename(item->path), name);
2599 }
2600
2601 static void folderview_scoring_cb(FolderView *folderview, guint action,
2602                                    GtkWidget *widget)
2603 {
2604         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2605         FolderItem *item;
2606
2607         if (!folderview->selected) return;
2608
2609         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2610         g_return_if_fail(item != NULL);
2611         g_return_if_fail(item->folder != NULL);
2612
2613         prefs_scoring_open(item);
2614 }
2615
2616 static void folderview_processing_cb(FolderView *folderview, guint action,
2617                                      GtkWidget *widget)
2618 {
2619         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2620         FolderItem *item;
2621
2622         if (!folderview->selected) return;
2623
2624         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2625         g_return_if_fail(item != NULL);
2626         g_return_if_fail(item->folder != NULL);
2627
2628         prefs_filtering_open(item, NULL, NULL);
2629 }
2630
2631 void folderview_set_target_folder_color(gint color_op)
2632 {
2633         gint firstone = 1;
2634         GList *list;
2635         FolderView *folderview;
2636
2637         for (list = folderview_list; list != NULL; list = list->next) {
2638                 folderview = (FolderView *)list->data;
2639                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2640                 if (firstone) {
2641                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2642                                 folderview->color_op;
2643                         firstone = 0;
2644                 }
2645         }
2646 }
2647
2648 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2649 {
2650         folderview_init(folderview);
2651         folderview_set_all();
2652 }
2653
2654 static void drag_state_stop(FolderView *folderview)
2655 {
2656         if (folderview->drag_timer)
2657                 gtk_timeout_remove(folderview->drag_timer);
2658         folderview->drag_timer = 0;
2659         folderview->drag_node = NULL;
2660 }
2661
2662 static gint folderview_defer_expand(FolderView *folderview)
2663 {
2664         if (folderview->drag_node) {
2665                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2666                 if (folderview->drag_item->collapsed) {
2667                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2668                         folderview->nodes_to_recollapse = g_slist_append
2669                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2670                 }
2671         }
2672         folderview->drag_item  = NULL;
2673         folderview->drag_timer = 0;
2674         return FALSE;
2675 }
2676
2677 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2678 {
2679         /* the idea is that we call drag_state_start() whenever we want expansion to
2680          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2681          * we need to call drag_state_stop() */
2682         drag_state_stop(folderview);
2683         /* request expansion */
2684         if (0 != (folderview->drag_timer = gtk_timeout_add
2685                         (prefs_common.hover_timeout,
2686                          (GtkFunction)folderview_defer_expand,
2687                          folderview))) {
2688                 folderview->drag_node = node;
2689                 folderview->drag_item = item;
2690         }
2691 }
2692
2693 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2694                                   FolderView       *folderview)
2695 {
2696         GdkDragContext *context;
2697
2698         g_return_if_fail(folderview != NULL);
2699         if (folderview->selected == NULL) return;
2700         if (folderview->nodes_to_recollapse)
2701                 g_slist_free(folderview->nodes_to_recollapse);
2702         folderview->nodes_to_recollapse = NULL;
2703         context = gtk_drag_begin(widget, folderview->target_list,
2704                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2705         gtk_drag_set_icon_default(context);
2706 }
2707
2708 static void folderview_drag_data_get(GtkWidget        *widget,
2709                                      GdkDragContext   *drag_context,
2710                                      GtkSelectionData *selection_data,
2711                                      guint             info,
2712                                      guint             time,
2713                                      FolderView       *folderview)
2714 {
2715         FolderItem *item;
2716         GList *cur;
2717         gchar *source=NULL;
2718
2719         for (cur = GTK_CLIST(folderview->ctree)->selection;
2720              cur != NULL; cur = cur->next) {
2721                 item = gtk_ctree_node_get_row_data
2722                         (GTK_CTREE(folderview->ctree),
2723                          GTK_CTREE_NODE(cur->data));
2724                 if (item) {
2725                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2726                         gtk_selection_data_set(selection_data,
2727                                                selection_data->target, 8,
2728                                                source, strlen(source));
2729                         break;
2730                 } else
2731                         return;
2732         }
2733 }
2734
2735 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2736 {
2737         FolderUpdateData *hookdata;
2738         FolderView *folderview;
2739         GtkWidget *ctree;
2740
2741         hookdata = source;
2742         folderview = (FolderView *) userdata;
2743         g_return_val_if_fail(hookdata != NULL, FALSE);
2744         g_return_val_if_fail(folderview != NULL, FALSE);
2745
2746         ctree = folderview->ctree;
2747         g_return_val_if_fail(ctree != NULL, FALSE);
2748
2749         if (hookdata->update_flags & FOLDER_NEW_FOLDERITEM)
2750                 folderview_create_folder_node(folderview, hookdata->item);
2751         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2752                 GtkCTreeNode *node;
2753
2754                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2755                 if (node != NULL)
2756                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2757         } else if (hookdata->update_flags & FOLDER_TREE_CHANGED)
2758                 folderview_set(folderview);
2759
2760         return FALSE;
2761 }
2762
2763 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2764                                           GdkDragContext *context,
2765                                           gint            x,
2766                                           gint            y,
2767                                           guint           time,
2768                                           FolderView     *folderview)
2769 {
2770         gint row, column;
2771         FolderItem *item, *src_item = NULL;
2772         GtkCTreeNode *node = NULL;
2773         gboolean acceptable = FALSE;
2774         gint height = folderview->ctree->allocation.height;
2775         gint total_height = folderview->ctree->requisition.height;
2776         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2777                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2778         gfloat vpos = pos->value;
2779
2780         if (gtk_clist_get_selection_info
2781                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2782                 if (y > height - 24 && height + vpos < total_height)
2783                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2784
2785                 if (y < 24 && y > 0)
2786                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2787
2788                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2789                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2790                 src_item = folderview->summaryview->folder_item;
2791
2792                 if (item && item->folder && item->path &&
2793                     src_item && src_item != item) {
2794                         switch (FOLDER_TYPE(item->folder)) {
2795                         case F_MH:
2796                         case F_MBOX:
2797                         case F_IMAP:
2798                                 acceptable = TRUE;
2799                                 break;
2800                         default:
2801                                 break;
2802                         }
2803                 } else if (item && item->folder && folder_item_get_path(item) &&
2804                            src_item && src_item != item) {
2805                         /* a root folder - acceptable only from folderview */
2806                         if (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP)
2807                                 acceptable = TRUE;
2808                 }
2809
2810         }
2811
2812         if (acceptable || (src_item && src_item == item))
2813                 drag_state_start(folderview, node, item);
2814
2815         if (acceptable) {
2816                 gtk_signal_handler_block_by_func
2817                         (GTK_OBJECT(widget),
2818                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2819                 gtk_ctree_select(GTK_CTREE(widget), node);
2820                 gtk_signal_handler_unblock_by_func
2821                         (GTK_OBJECT(widget),
2822                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2823                 gdk_drag_status(context,
2824                                         (context->actions == GDK_ACTION_COPY ?
2825                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2826         } else {
2827                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2828                 gdk_drag_status(context, 0, time);
2829         }
2830
2831         return acceptable;
2832 }
2833
2834 static void folderview_drag_leave_cb(GtkWidget      *widget,
2835                                      GdkDragContext *context,
2836                                      guint           time,
2837                                      FolderView     *folderview)
2838 {
2839         drag_state_stop(folderview);
2840         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2841 }
2842
2843 static void folderview_drag_received_cb(GtkWidget        *widget,
2844                                         GdkDragContext   *drag_context,
2845                                         gint              x,
2846                                         gint              y,
2847                                         GtkSelectionData *data,
2848                                         guint             info,
2849                                         guint             time,
2850                                         FolderView       *folderview)
2851 {
2852         gint row, column;
2853         FolderItem *item, *src_item;
2854         GtkCTreeNode *node;
2855
2856         drag_state_stop(folderview);
2857         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2858                 /* comes from summaryview */
2859                 if (gtk_clist_get_selection_info
2860                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2861                         return;
2862
2863                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2864                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2865                 src_item = folderview->summaryview->folder_item;
2866
2867                 /* re-check (due to acceptable possibly set for folder moves */
2868                 if (!(item && item->folder && item->path &&
2869                       src_item && src_item != item &&
2870                       (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP))) {
2871                         return;
2872                 }
2873                 if (item && src_item) {
2874                         switch (drag_context->action) {
2875                                 case GDK_ACTION_COPY:
2876                                         summary_copy_selected_to(folderview->summaryview, item);
2877                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2878                                         break;
2879                                 case GDK_ACTION_MOVE:
2880                                 case GDK_ACTION_DEFAULT:
2881                                 default:
2882                         if (FOLDER_TYPE(src_item->folder) != FOLDER_TYPE(item->folder) ||
2883                             (FOLDER_TYPE(item->folder) == F_IMAP &&
2884                              src_item->folder != item->folder))
2885                                 summary_copy_selected_to(folderview->summaryview, item);
2886                         else
2887                                 summary_move_selected_to(folderview->summaryview, item);
2888                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2889                         }
2890                 } else
2891                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2892         } else {
2893                 /* comes from folderview */
2894                 char *source;
2895
2896                 source = data->data + 17;
2897                 if (gtk_clist_get_selection_info
2898                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2899                     || *source == 0) {
2900                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2901                         return;
2902                 }
2903                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2904                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2905                 src_item = folder_find_item_from_identifier(source);
2906
2907                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2908                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2909                         return;
2910                 }
2911
2912                 folderview_move_to(folderview, src_item, item);
2913                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2914         }
2915         folderview->nodes_to_recollapse = NULL;
2916 }
2917
2918 static void folderview_drag_end_cb(GtkWidget        *widget,
2919                                    GdkDragContext   *drag_context,
2920                                    FolderView       *folderview)
2921 {
2922         drag_state_stop(folderview);
2923         g_slist_free(folderview->nodes_to_recollapse);
2924         folderview->nodes_to_recollapse = NULL;
2925 }