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 GdkFont *normalfont;
  82 static GdkFont *boldfont;
  83
  84 static GtkStyle *normal_style;
  85 static GtkStyle *normal_color_style;
  86 static GtkStyle *bold_style;
  87 static GtkStyle *bold_color_style;
  88 static GtkStyle *bold_tgtfold_style;
  89
  90 static GdkBitmap *inboxxpm;
  91 static GdkBitmap *inboxxpmmask;
  92 static GdkPixmap *inboxhrmxpm;
  93 static GdkBitmap *inboxhrmxpmmask;
  94 static GdkPixmap *inboxopenxpm;
  95 static GdkBitmap *inboxopenxpmmask;
  96 static GdkPixmap *inboxopenhrmxpm;
  97 static GdkBitmap *inboxopenhrmxpmmask;
  98 static GdkPixmap *outboxxpm;
  99 static GdkBitmap *outboxxpmmask;
 100 static GdkPixmap *outboxhrmxpm;
 101 static GdkBitmap *outboxhrmxpmmask;
 102 static GdkPixmap *outboxopenxpm;
 103 static GdkBitmap *outboxopenxpmmask;
 104 static GdkPixmap *outboxopenhrmxpm;
 105 static GdkBitmap *outboxopenhrmxpmmask;
 106 static GdkPixmap *folderxpm;
 107 static GdkBitmap *folderxpmmask;
 108 static GdkPixmap *folderhrmxpm;
 109 static GdkBitmap *folderhrmxpmmask;
 110 static GdkPixmap *folderopenxpm;
 111 static GdkBitmap *folderopenxpmmask;
 112 static GdkPixmap *folderopenhrmxpm;
 113 static GdkBitmap *folderopenhrmxpmmask;
 114 static GdkPixmap *trashopenxpm;
 115 static GdkBitmap *trashopenxpmmask;
 116 static GdkPixmap *trashopenhrmxpm;
 117 static GdkBitmap *trashopenhrmxpmmask;
 118 static GdkPixmap *trashxpm;
 119 static GdkBitmap *trashxpmmask;
 120 static GdkPixmap *trashhrmxpm;
 121 static GdkBitmap *trashhrmxpmmask;
 122 static GdkPixmap *queuexpm;
 123 static GdkBitmap *queuexpmmask;
 124 static GdkPixmap *queuehrmxpm;
 125 static GdkBitmap *queuehrmxpmmask;
 126 static GdkPixmap *queueopenxpm;
 127 static GdkBitmap *queueopenxpmmask;
 128 static GdkPixmap *queueopenhrmxpm;
 129 static GdkBitmap *queueopenhrmxpmmask;
 130 static GdkPixmap *newxpm;
 131 static GdkBitmap *newxpmmask;
 132 static GdkPixmap *unreadxpm;
 133 static GdkBitmap *unreadxpmmask;
 134 static GdkPixmap *draftsxpm;
 135 static GdkBitmap *draftsxpmmask;
 136 static GdkPixmap *draftsopenxpm;
 137 static GdkBitmap *draftsopenxpmmask;
 138
 139 static void folderview_select_node       (FolderView    *folderview,
 140                                           GtkCTreeNode  *node);
 141 static void folderview_set_folders       (FolderView    *folderview);
 142 static void folderview_sort_folders      (FolderView    *folderview,
 143                                           GtkCTreeNode  *root,
 144                                           Folder        *folder);
 145 static void folderview_append_folder     (FolderView    *folderview,
 146                                           Folder        *folder);
 147 static void folderview_update_node       (FolderView    *folderview,
 148                                           GtkCTreeNode  *node);
 149
 150 static GtkCTreeNode *folderview_find_by_name    (GtkCTree       *ctree,
 151                                                  GtkCTreeNode   *node,
 152                                                  const gchar    *name);
 153
 154 static gint folderview_clist_compare    (GtkCList       *clist,
 155                                          gconstpointer   ptr1,
 156                                          gconstpointer   ptr2);
 157 static gint folderview_compare_name     (gconstpointer   a,
 158                                          gconstpointer   b);
 159
 160 /* callback functions */
 161 static void folderview_button_pressed   (GtkWidget      *ctree,
 162                                          GdkEventButton *event,
 163                                          FolderView     *folderview);
 164 static void folderview_button_released  (GtkWidget      *ctree,
 165                                          GdkEventButton *event,
 166                                          FolderView     *folderview);
 167 static void folderview_key_pressed      (GtkWidget      *widget,
 168                                          GdkEventKey    *event,
 169                                          FolderView     *folderview);
 170 static void folderview_selected         (GtkCTree       *ctree,
 171                                          GtkCTreeNode   *row,
 172                                          gint            column,
 173                                          FolderView     *folderview);
 174 static void folderview_tree_expanded    (GtkCTree       *ctree,
 175                                          GtkCTreeNode   *node,
 176                                          FolderView     *folderview);
 177 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 178                                          GtkCTreeNode   *node,
 179                                          FolderView     *folderview);
 180 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 181                                          FolderView     *folderview);
 182 static void folderview_col_resized      (GtkCList       *clist,
 183                                          gint            column,
 184                                          gint            width,
 185                                          FolderView     *folderview);
 186
 187 static void folderview_update_tree_cb   (FolderView     *folderview,
 188                                          guint           action,
 189                                          GtkWidget      *widget);
 190
 191 static void mark_all_read_cb            (FolderView    *folderview,
 192                                          guint           action,
 193                                          GtkWidget      *widget);
 194 static void folderview_new_folder_cb    (FolderView     *folderview,
 195                                          guint           action,
 196                                          GtkWidget      *widget);
 197 static void folderview_new_mbox_folder_cb(FolderView *folderview,
 198                                           guint action,
 199                                           GtkWidget *widget);
 200 static void folderview_rename_folder_cb (FolderView     *folderview,
 201                                          guint           action,
 202                                          GtkWidget      *widget);
 203 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
 204                                              guint action,
 205                                              GtkWidget *widget);
 206 static void folderview_delete_folder_cb (FolderView     *folderview,
 207                                          guint           action,
 208                                          GtkWidget      *widget);
 209 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 210                                          guint           action,
 211                                          GtkWidget      *widget);
 212
 213 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 214                                           guint          action,
 215                                           GtkWidget     *widget);
 216 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 217                                           guint          action,
 218                                           GtkWidget     *widget);
 219
 220 static void folderview_new_news_group_cb(FolderView     *folderview,
 221                                          guint           action,
 222                                          GtkWidget      *widget);
 223 static void folderview_rm_news_group_cb (FolderView     *folderview,
 224                                          guint           action,
 225                                          GtkWidget      *widget);
 226 static void folderview_rm_news_server_cb(FolderView     *folderview,
 227                                          guint           action,
 228                                          GtkWidget      *widget);
 229
 230 static void folderview_search_cb        (FolderView     *folderview,
 231                                          guint           action,
 232                                          GtkWidget      *widget);
 233
 234 static void folderview_property_cb      (FolderView     *folderview,
 235                                          guint           action,
 236                                          GtkWidget      *widget);
 237
 238 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 239                                           GdkDragContext *context,
 240                                           gint            x,
 241                                           gint            y,
 242                                           guint           time,
 243                                           FolderView     *folderview);
 244 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 245                                           GdkDragContext   *context,
 246                                           guint             time,
 247                                           FolderView       *folderview);
 248 static void folderview_drag_received_cb  (GtkWidget        *widget,
 249                                           GdkDragContext   *drag_context,
 250                                           gint              x,
 251                                           gint              y,
 252                                           GtkSelectionData *data,
 253                                           guint             info,
 254                                           guint             time,
 255                                           FolderView       *folderview);
 256 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 257                                           FolderView       *folderview);
 258 static void folderview_drag_data_get     (GtkWidget        *widget,
 259                                           GdkDragContext   *drag_context,
 260                                           GtkSelectionData *selection_data,
 261                                           guint             info,
 262                                           guint             time,
 263                                           FolderView       *folderview);
 264 static void folderview_drag_end_cb       (GtkWidget        *widget,
 265                                           GdkDragContext   *drag_context,
 266                                           FolderView       *folderview);
 267
 268 void folderview_create_folder_node       (FolderView       *folderview,
 269                                           FolderItem       *item);
 270 gboolean folderview_update_folder        (gpointer          source,
 271                                           gpointer          userdata);
 272 gboolean folderview_update_item          (gpointer          source,
 273                                           gpointer          data);
 274
 275 static void folderview_scoring_cb(FolderView *folderview, guint action,
 276                                   GtkWidget *widget);
 277 static void folderview_processing_cb(FolderView *folderview, guint action,
 278                                      GtkWidget *widget);
 279 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
 280                                FolderItem *to_folder);
 281 static void folderview_move_to_cb(FolderView *folderview);
 282
 283 static GtkItemFactoryEntry folderview_mbox_popup_entries[] =
 284 {
 285         {N_("/Create _new folder..."),  NULL, folderview_new_mbox_folder_cb,    0, NULL},
 286         {N_("/_Rename folder..."),      NULL, folderview_rename_mbox_folder_cb, 0, NULL},
 287         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 288         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 289         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 290         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 291         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 292         {N_("/_Properties..."),         NULL, NULL, 0, NULL},
 293         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 294         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 295 };
 296
 297 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 298 {
 299         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 300         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 301         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 302         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 303         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 304         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 305         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 306         {N_("/_Check for new messages"),
 307                                         NULL, folderview_update_tree_cb, 0, NULL},
 308         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 309         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 310         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 311         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 312         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 313         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 314         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 315         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 316 };
 317
 318 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 319 {
 320         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 321         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 322         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 323         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb,   0, NULL},
 324         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 325         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb,   0, NULL},
 326         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 327         {N_("/_Check for new messages"),
 328                                         NULL, folderview_update_tree_cb, 0, NULL},
 329         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 330         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 331         {N_("/Remove _IMAP4 account"),  NULL, folderview_rm_imap_server_cb, 0, NULL},
 332         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 333         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 334         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 335         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 336         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 337 };
 338
 339 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 340 {
 341         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 342         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 343         {N_("/_Subscribe to newsgroup..."),
 344                                         NULL, folderview_new_news_group_cb, 0, NULL},
 345         {N_("/_Remove newsgroup"),      NULL, folderview_rm_news_group_cb, 0, NULL},
 346         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 347         {N_("/_Check for new messages"),
 348                                         NULL, folderview_update_tree_cb, 0, NULL},
 349         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 350         {N_("/Remove _news account"),   NULL, folderview_rm_news_server_cb, 0, NULL},
 351         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 352         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 353         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 354         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 355         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 356 };
 357
 358 GtkTargetEntry folderview_drag_types[] =
 359 {
 360         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 361 };
 362
 363 FolderView *folderview_create(void)
 364 {
 365         FolderView *folderview;
 366         GtkWidget *scrolledwin;
 367         GtkWidget *ctree;
 368         gchar *titles[N_FOLDER_COLS];
 369         GtkWidget *mail_popup;
 370         GtkWidget *news_popup;
 371         GtkWidget *imap_popup;
 372         GtkWidget *mbox_popup;
 373         GtkItemFactory *mail_factory;
 374         GtkItemFactory *news_factory;
 375         GtkItemFactory *imap_factory;
 376         GtkItemFactory *mbox_factory;
 377         gint n_entries;
 378         gint i;
 379
 380         debug_print("Creating folder view...\n");
 381         folderview = g_new0(FolderView, 1);
 382
 383         titles[COL_FOLDER] = _("Folder");
 384         titles[COL_NEW]    = _("New");
 385         titles[COL_UNREAD] = _("Unread");
 386         titles[COL_TOTAL]  = _("#");
 387
 388         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 389         gtk_scrolled_window_set_policy
 390                 (GTK_SCROLLED_WINDOW(scrolledwin),
 391                  GTK_POLICY_AUTOMATIC,
 392                  prefs_common.folderview_vscrollbar_policy);
 393         gtk_widget_set_usize(scrolledwin,
 394                              prefs_common.folderview_width,
 395                              prefs_common.folderview_height);
 396
 397         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 398
 399         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 400         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 401 #ifndef CLAWS /* text instead of pixmaps */
 402         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 403                                            GTK_JUSTIFY_RIGHT);
 404         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 405                                            GTK_JUSTIFY_RIGHT);
 406 #endif
 407         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 408                                            GTK_JUSTIFY_RIGHT);
 409         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 410                                    prefs_common.folder_col_folder);
 411         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 412                                    prefs_common.folder_col_new);
 413         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 414                                    prefs_common.folder_col_unread);
 415         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 416                                    prefs_common.folder_col_total);
 417         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 418         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 419                                      GTK_CTREE_EXPANDER_SQUARE);
 420         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 421         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 422
 423         /* don't let title buttons take key focus */
 424         for (i = 0; i < N_FOLDER_COLS; i++)
 425                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 426                                        GTK_CAN_FOCUS);
 427
 428         /* popup menu */
 429         n_entries = sizeof(folderview_mail_popup_entries) /
 430                 sizeof(folderview_mail_popup_entries[0]);
 431         mail_popup = menu_create_items(folderview_mail_popup_entries,
 432                                        n_entries,
 433                                        "<MailFolder>", &mail_factory,
 434                                        folderview);
 435         n_entries = sizeof(folderview_imap_popup_entries) /
 436                 sizeof(folderview_imap_popup_entries[0]);
 437         imap_popup = menu_create_items(folderview_imap_popup_entries,
 438                                        n_entries,
 439                                        "<IMAPFolder>", &imap_factory,
 440                                        folderview);
 441         n_entries = sizeof(folderview_news_popup_entries) /
 442                 sizeof(folderview_news_popup_entries[0]);
 443         news_popup = menu_create_items(folderview_news_popup_entries,
 444                                        n_entries,
 445                                        "<NewsFolder>", &news_factory,
 446                                        folderview);
 447         n_entries = sizeof(folderview_mbox_popup_entries) /
 448                 sizeof(folderview_mbox_popup_entries[0]);
 449         mbox_popup = menu_create_items(folderview_mbox_popup_entries,
 450                                        n_entries,
 451                                        "<MboxFolder>", &mbox_factory,
 452                                        folderview);
 453
 454         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 455                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 456                            folderview);
 457         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 458                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 459                            folderview);
 460         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 461                            GTK_SIGNAL_FUNC(folderview_button_released),
 462                            folderview);
 463         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 464                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 465         gtk_signal_connect(GTK_OBJECT(ctree), "start_drag",
 466                            GTK_SIGNAL_FUNC(folderview_start_drag), folderview);
 467         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 468                            GTK_SIGNAL_FUNC(folderview_drag_data_get),
 469                            folderview);
 470
 471         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 472                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 473                                  folderview);
 474         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 475                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 476                                  folderview);
 477
 478         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 479                            GTK_SIGNAL_FUNC(folderview_col_resized),
 480                            folderview);
 481
 482         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 483                            GTK_SIGNAL_FUNC(folderview_popup_close),
 484                            folderview);
 485         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 486                            GTK_SIGNAL_FUNC(folderview_popup_close),
 487                            folderview);
 488         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 489                            GTK_SIGNAL_FUNC(folderview_popup_close),
 490                            folderview);
 491         gtk_signal_connect(GTK_OBJECT(mbox_popup), "selection_done",
 492                            GTK_SIGNAL_FUNC(folderview_popup_close),
 493                            folderview);
 494
 495         /* drop callback */
 496         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 497                           summary_drag_types, 1,
 498                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 499         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 500                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 501                            folderview);
 502         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 503                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 504                            folderview);
 505         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 506                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 507                            folderview);
 508         gtk_signal_connect(GTK_OBJECT(ctree), "drag_end",
 509                            GTK_SIGNAL_FUNC(folderview_drag_end_cb),
 510                            folderview);
 511
 512         folderview->scrolledwin  = scrolledwin;
 513         folderview->ctree        = ctree;
 514         folderview->mail_popup   = mail_popup;
 515         folderview->mail_factory = mail_factory;
 516         folderview->imap_popup   = imap_popup;
 517         folderview->imap_factory = imap_factory;
 518         folderview->news_popup   = news_popup;
 519         folderview->news_factory = news_factory;
 520         folderview->mbox_popup   = mbox_popup;
 521         folderview->mbox_factory = mbox_factory;
 522
 523         folderview->folder_update_callback_id =
 524                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 525         folderview->folder_item_update_callback_id =
 526                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item, (gpointer) folderview);
 527
 528         gtk_widget_show_all(scrolledwin);
 529
 530         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 531         folderview_list = g_list_append(folderview_list, folderview);
 532
 533         return folderview;
 534 }
 535
 536 void folderview_init(FolderView *folderview)
 537 {
 538         GtkWidget *ctree = folderview->ctree;
 539         GtkWidget *label_new;
 540         GtkWidget *label_unread;
 541         GtkWidget *hbox_new;
 542         GtkWidget *hbox_unread;
 543
 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 (!normalfont) {
 591                 if (gtkut_font_load(NORMAL_FONT) == NULL) {
 592                         GtkStyle *style = gtk_style_new();
 593                         normalfont = style->font;
 594                         gdk_font_ref(normalfont);
 595                         gtk_style_unref(style);
 596                 }
 597                 else
 598                         normalfont = gtkut_font_load(NORMAL_FONT);
 599         }
 600
 601         if (!boldfont) {
 602                 if (gtkut_font_load(BOLD_FONT) == NULL) {
 603                         GtkStyle *style = gtk_style_new();
 604                         boldfont = style->font;
 605                         gdk_font_ref(boldfont);
 606                         gtk_style_unref(style);
 607                 }
 608                 else
 609                         boldfont = gtkut_font_load(BOLD_FONT);
 610         }
 611
 612         if (!bold_style) {
 613                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 614                 bold_style->font = boldfont;
 615                 bold_color_style = gtk_style_copy(bold_style);
 616                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 617
 618                 bold_tgtfold_style = gtk_style_copy(bold_style);
 619                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 620         }
 621         if (!normal_style) {
 622                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 623                 normal_style->font = normalfont;
 624                 normal_color_style = gtk_style_copy(normal_style);
 625                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 626         }
 627 }
 628
 629 void folderview_set(FolderView *folderview)
 630 {
 631         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 632         MainWindow *mainwin = folderview->mainwin;
 633
 634         debug_print("Setting folder info...\n");
 635         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 636
 637         main_window_cursor_wait(mainwin);
 638
 639         folderview->selected = NULL;
 640         folderview->opened = NULL;
 641
 642         gtk_clist_freeze(GTK_CLIST(ctree));
 643         gtk_clist_clear(GTK_CLIST(ctree));
 644         gtk_clist_thaw(GTK_CLIST(ctree));
 645         gtk_clist_freeze(GTK_CLIST(ctree));
 646
 647         folderview_set_folders(folderview);
 648
 649         gtk_clist_thaw(GTK_CLIST(ctree));
 650         main_window_cursor_normal(mainwin);
 651         STATUSBAR_POP(mainwin);
 652 }
 653
 654 void folderview_set_all(void)
 655 {
 656         GList *list;
 657
 658         for (list = folderview_list; list != NULL; list = list->next)
 659                 folderview_set((FolderView *)list->data);
 660 }
 661
 662 void folderview_select(FolderView *folderview, FolderItem *item)
 663 {
 664         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 665         GtkCTreeNode *node;
 666         GtkCTreeNode *old_selected = folderview->selected;
 667
 668         if (!item) return;
 669
 670         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 671         if (node) folderview_select_node(folderview, node);
 672
 673         if (old_selected != node)
 674                 folder_update_op_count();
 675 }
 676
 677 static void mark_all_read_cb(FolderView *folderview, guint action,
 678                              GtkWidget *widget)
 679 {
 680         if (folderview->selected)
 681                 summary_mark_all_read(folderview->summaryview);
 682 }
 683
 684 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 685 {
 686         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 687
 688         g_return_if_fail(node != NULL);
 689
 690         folderview->open_folder = TRUE;
 691         gtkut_ctree_set_focus_row(ctree, node);
 692         gtk_ctree_select(ctree, node);
 693         if (folderview->summaryview->folder_item &&
 694             folderview->summaryview->folder_item->total_msgs > 0)
 695                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 696         else
 697                 gtk_widget_grab_focus(folderview->ctree);
 698
 699         gtkut_ctree_expand_parent_all(ctree, node);
 700 }
 701
 702 void folderview_unselect(FolderView *folderview)
 703 {
 704         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 705                 gtk_ctree_collapse
 706                         (GTK_CTREE(folderview->ctree), folderview->opened);
 707
 708         folderview->selected = folderview->opened = NULL;
 709 }
 710
 711 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 712                                                  GtkCTreeNode *node)
 713 {
 714         FolderItem *item;
 715
 716         if (node)
 717                 node = gtkut_ctree_node_next(ctree, node);
 718         else
 719                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 720
 721         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 722                 item = gtk_ctree_node_get_row_data(ctree, node);
 723                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 724                         return node;
 725         }
 726
 727         return NULL;
 728 }
 729
 730 void folderview_select_next_unread(FolderView *folderview)
 731 {
 732         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 733         GtkCTreeNode *node = NULL;
 734
 735         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 736             != NULL) {
 737                 folderview_select_node(folderview, node);
 738                 return;
 739         }
 740
 741         if (!folderview->opened ||
 742             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 743                 return;
 744         /* search again from the first node */
 745         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 746                 folderview_select_node(folderview, node);
 747 }
 748
 749 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 750 {
 751         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 752         static GtkCTreeNode *prev_row = NULL;
 753         FolderItem *item;
 754         gint new, unread, total;
 755         gchar *new_str, *unread_str, *total_str;
 756
 757         if (!row) return;
 758
 759         item = gtk_ctree_node_get_row_data(ctree, row);
 760         if (!item) return;
 761
 762         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 763         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 764         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 765         new = atoi(new_str);
 766         unread = atoi(unread_str);
 767         total = atoi(total_str);
 768
 769         prev_row = row;
 770
 771         folderview_update_node(folderview, row);
 772 }
 773
 774 static void folderview_set_folders(FolderView *folderview)
 775 {
 776         GList *list;
 777
 778         list = folder_get_list();
 779
 780         for (; list != NULL; list = list->next)
 781                 folderview_append_folder(folderview, FOLDER(list->data));
 782 }
 783
 784 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 785                                       gpointer data)
 786 {
 787         GList *list;
 788
 789         for (list = folderview_list; list != NULL; list = list->next) {
 790                 FolderView *folderview = (FolderView *)list->data;
 791                 MainWindow *mainwin = folderview->mainwin;
 792                 gchar *str;
 793
 794                 if (item->path)
 795                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 796                                               item->folder->name, G_DIR_SEPARATOR,
 797                                               item->path);
 798                 else
 799                         str = g_strdup_printf(_("Scanning folder %s ..."),
 800                                               item->folder->name);
 801
 802                 STATUSBAR_PUSH(mainwin, str);
 803                 STATUSBAR_POP(mainwin);
 804                 g_free(str);
 805         }
 806 }
 807
 808 static GtkWidget *label_window_create(const gchar *str)
 809 {
 810         GtkWidget *window;
 811         GtkWidget *label;
 812
 813         window = gtk_window_new(GTK_WINDOW_DIALOG);
 814         gtk_widget_set_usize(window, 380, 60);
 815         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 816         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 817         gtk_window_set_title(GTK_WINDOW(window), str);
 818         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 819         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 820         manage_window_set_transient(GTK_WINDOW(window));
 821
 822         label = gtk_label_new(str);
 823         gtk_container_add(GTK_CONTAINER(window), label);
 824         gtk_widget_show(label);
 825
 826         gtk_widget_show_now(window);
 827
 828         return window;
 829 }
 830
 831 void folderview_rescan_tree(Folder *folder)
 832 {
 833         GtkWidget *window;
 834
 835         g_return_if_fail(folder != NULL);
 836
 837         if (!folder->klass->scan_tree) return;
 838
 839         inc_lock();
 840         window = label_window_create(_("Rebuilding folder tree..."));
 841
 842         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 843         folder_scan_tree(folder);
 844         folder_set_ui_func(folder, NULL, NULL);
 845
 846         folderview_set_all();
 847
 848         gtk_widget_destroy(window);
 849         inc_unlock();
 850 }
 851
 852 /** folderview_check_new()
 853  *  Scan and update the folder and return the
 854  *  count the number of new messages since last check.
 855  *  \param folder the folder to check for new messages
 856  *  \return the number of new messages since last check
 857  */
 858 gint folderview_check_new(Folder *folder)
 859 {
 860         GList *list;
 861         FolderItem *item;
 862         FolderView *folderview;
 863         GtkCTree *ctree;
 864         GtkCTreeNode *node;
 865         gint new_msgs = 0;
 866         gint former_new_msgs = 0;
 867         gint former_new = 0;
 868
 869         for (list = folderview_list; list != NULL; list = list->next) {
 870                 folderview = (FolderView *)list->data;
 871                 ctree = GTK_CTREE(folderview->ctree);
 872
 873                 inc_lock();
 874                 main_window_lock(folderview->mainwin);
 875                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 876
 877                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 878                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 879                         item = gtk_ctree_node_get_row_data(ctree, node);
 880                         if (!item || !item->path || !item->folder) continue;
 881                         if (item->no_select) continue;
 882                         if (folder && folder != item->folder) continue;
 883                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 884
 885                         folderview_scan_tree_func(item->folder, item, NULL);
 886                         former_new = item->new_msgs;
 887                         if (folder_item_scan(item) < 0) {
 888                                 if (folder && !FOLDER_IS_LOCAL(folder))
 889                                         break;
 890                         }
 891                         folderview_update_node(folderview, node);
 892                         new_msgs += item->new_msgs;
 893                         former_new_msgs += former_new;
 894                 }
 895
 896                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 897                 main_window_unlock(folderview->mainwin);
 898                 inc_unlock();
 899         }
 900
 901         folder_write_list();
 902         /* Number of new messages since last check is the just the difference
 903          * between former_new_msgs and new_msgs. If new_msgs is less than
 904          * former_new_msgs, that would mean another session accessed the folder
 905          * and the result is not well defined.
 906          */
 907         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 908         return new_msgs;
 909 }
 910
 911 void folderview_check_new_all(void)
 912 {
 913         GList *list;
 914         GtkWidget *window;
 915         FolderView *folderview;
 916
 917         folderview = (FolderView *)folderview_list->data;
 918
 919         inc_lock();
 920         main_window_lock(folderview->mainwin);
 921         window = label_window_create
 922                 (_("Checking for new messages in all folders..."));
 923
 924         list = folder_get_list();
 925         for (; list != NULL; list = list->next) {
 926                 Folder *folder = list->data;
 927
 928                 folderview_check_new(folder);
 929         }
 930
 931         folder_write_list();
 932         folderview_set_all();
 933
 934         gtk_widget_destroy(window);
 935         main_window_unlock(folderview->mainwin);
 936         inc_unlock();
 937 }
 938
 939 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 940                                                 GtkCTreeNode *node)
 941 {
 942         FolderItem *item;
 943
 944         if (node) {
 945                 item = gtk_ctree_node_get_row_data(ctree, node);
 946                 if (item) {
 947                         if (item->new_msgs > 0 ||
 948                             (item->stype == F_QUEUE && item->total_msgs > 0))
 949                                 return TRUE;
 950                 }
 951                 node = GTK_CTREE_ROW(node)->children;
 952         } else
 953                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 954
 955         while (node) {
 956                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 957                         return TRUE;
 958                 node = GTK_CTREE_ROW(node)->sibling;
 959         }
 960
 961         return FALSE;
 962 }
 963
 964 static gboolean folderview_have_new_children(FolderView *folderview,
 965                                              GtkCTreeNode *node)
 966 {
 967         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 968
 969         if (!node)
 970                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 971         if (!node)
 972                 return FALSE;
 973
 974         node = GTK_CTREE_ROW(node)->children;
 975
 976         while (node) {
 977                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 978                         return TRUE;
 979                 node = GTK_CTREE_ROW(node)->sibling;
 980         }
 981
 982         return FALSE;
 983 }
 984
 985 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 986                                                    GtkCTreeNode *node)
 987 {
 988         FolderItem *item;
 989
 990         if (node) {
 991                 item = gtk_ctree_node_get_row_data(ctree, node);
 992                 if (item) {
 993                         if (item->unread_msgs > 0 ||
 994                             (item->stype == F_QUEUE && item->total_msgs > 0))
 995                                 return TRUE;
 996                 }
 997                 node = GTK_CTREE_ROW(node)->children;
 998         } else
 999                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1000
1001         while (node) {
1002                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1003                         return TRUE;
1004                 node = GTK_CTREE_ROW(node)->sibling;
1005         }
1006
1007         return FALSE;
1008 }
1009
1010 static gboolean folderview_have_unread_children(FolderView *folderview,
1011                                                 GtkCTreeNode *node)
1012 {
1013         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1014
1015         if (!node)
1016                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1017         if (!node)
1018                 return FALSE;
1019
1020         node = GTK_CTREE_ROW(node)->children;
1021
1022         while (node) {
1023                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1024                         return TRUE;
1025                 node = GTK_CTREE_ROW(node)->sibling;
1026         }
1027
1028         return FALSE;
1029 }
1030
1031 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1032 {
1033         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1034         GtkStyle *style = NULL;
1035         GtkStyle *color_style = NULL;
1036         FolderItem *item;
1037         GdkPixmap *xpm, *openxpm;
1038         GdkBitmap *mask, *openmask;
1039         gchar *name;
1040         gchar *str;
1041         gboolean add_unread_mark;
1042         gboolean use_bold, use_color;
1043
1044         item = gtk_ctree_node_get_row_data(ctree, node);
1045         g_return_if_fail(item != NULL);
1046
1047         switch (item->stype) {
1048         case F_INBOX:
1049                 if (item->hide_read_msgs) {
1050                         xpm = inboxhrmxpm;
1051                         mask = inboxhrmxpmmask;
1052                         openxpm = inboxopenhrmxpm;
1053                         openmask = inboxopenhrmxpmmask;
1054                 } else {
1055                         xpm = inboxxpm;
1056                         mask = inboxxpmmask;
1057                         openxpm = inboxopenxpm;
1058                         openmask = inboxopenxpmmask;
1059                 }
1060                 break;
1061         case F_OUTBOX:
1062                 if (item->hide_read_msgs) {
1063                         xpm = outboxhrmxpm;
1064                         mask = outboxhrmxpmmask;
1065                         openxpm = outboxopenhrmxpm;
1066                         openmask = outboxopenhrmxpmmask;
1067                 } else {
1068                         xpm = outboxxpm;
1069                         mask = outboxxpmmask;
1070                         openxpm = outboxopenxpm;
1071                         openmask = outboxopenxpmmask;
1072                 }
1073                 break;
1074         case F_QUEUE:
1075                 if (item->hide_read_msgs) {
1076                         xpm = queuehrmxpm;
1077                         mask = queuehrmxpmmask;
1078                         openxpm = queueopenhrmxpm;
1079                         openmask = queueopenhrmxpmmask;
1080                 } else {
1081                         xpm = queuexpm;
1082                         mask = queuexpmmask;
1083                         openxpm = queueopenxpm;
1084                         openmask = queueopenxpmmask;
1085                 }
1086                 break;
1087         case F_TRASH:
1088                 if (item->hide_read_msgs) {
1089                         xpm = trashhrmxpm;
1090                         mask = trashhrmxpmmask;
1091                         openxpm = trashopenhrmxpm;
1092                         openmask = trashopenhrmxpmmask;
1093                 } else {
1094                         xpm = trashxpm;
1095                         mask = trashxpmmask;
1096                         openxpm = trashopenxpm;
1097                         openmask = trashopenxpmmask;
1098                 }
1099                 break;
1100         case F_DRAFT:
1101                 xpm = draftsxpm;
1102                 mask = draftsxpmmask;
1103                 openxpm = draftsopenxpm;
1104                 openmask = draftsopenxpmmask;
1105                 break;
1106         default:
1107                 if (item->hide_read_msgs) {
1108                         xpm = folderhrmxpm;
1109                         mask = folderhrmxpmmask;
1110                         openxpm = folderopenhrmxpm;
1111                         openmask = folderopenhrmxpmmask;
1112                 } else {
1113                         xpm = folderxpm;
1114                         mask = folderxpmmask;
1115                         openxpm = folderopenxpm;
1116                         openmask = folderopenxpmmask;
1117                 }
1118         }
1119         name = folder_item_get_name(item);
1120
1121         if (!GTK_CTREE_ROW(node)->expanded &&
1122             folderview_have_unread_children(folderview, node))
1123                 add_unread_mark = TRUE;
1124         else
1125                 add_unread_mark = FALSE;
1126
1127         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1128             prefs_common.display_folder_unread) {
1129                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1130                                       add_unread_mark ? "+" : "");
1131                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1132                                         xpm, mask, openxpm, openmask,
1133                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1134                 g_free(str);
1135         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1136                  prefs_common.display_folder_unread) {
1137
1138                 if (item->unread_msgs > 0)
1139                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1140                                               add_unread_mark ? "+" : "",
1141                                               item->unreadmarked_msgs > 0 ? "!":"");
1142                 else
1143                         str = g_strdup_printf("%s (+)", name);
1144                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1145                                         xpm, mask, openxpm, openmask,
1146                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1147                 g_free(str);
1148         } else {
1149                 str = g_strdup_printf("%s%s", name,
1150                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1151
1152                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1153                                         xpm, mask, openxpm, openmask,
1154                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1155                 g_free(str);
1156         }
1157         g_free(name);
1158
1159         if (!item->parent) {
1160                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1161                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1162                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1163         } else {
1164                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1165                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1166                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1167         }
1168
1169         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1170             item->stype == F_TRASH) {
1171                 use_bold = use_color = FALSE;
1172         } else if (item->stype == F_QUEUE) {
1173                 /* highlight queue folder if there are any messages */
1174                 use_bold = use_color = (item->total_msgs > 0);
1175         } else {
1176                 /* if unread messages exist, print with bold font */
1177                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1178                 /* if new messages exist, print with colored letter */
1179                 use_color =
1180                         (item->new_msgs > 0) ||
1181                         (add_unread_mark &&
1182                          folderview_have_new_children(folderview, node));
1183         }
1184
1185         gtk_ctree_node_set_foreground(ctree, node, NULL);
1186
1187         if (use_bold) {
1188                 if (item->prefs->color > 0 && !use_color) {
1189                         GdkColor gdk_color;
1190
1191                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1192                         color_style = gtk_style_copy(bold_style);
1193                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1194                         style = color_style;
1195                 } else if (use_color)
1196                         style = bold_color_style;
1197                 else
1198                         style = bold_style;
1199                 if (item->op_count > 0) {
1200                         style = bold_tgtfold_style;
1201                 }
1202         } else if (use_color) {
1203                 style = normal_color_style;
1204                 gtk_ctree_node_set_foreground(ctree, node,
1205                                               &folderview->color_new);
1206         } else if (item->op_count > 0) {
1207                 style = bold_tgtfold_style;
1208         } else if (item->prefs->color > 0) {
1209                 GdkColor gdk_color;
1210
1211                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1212                 color_style = gtk_style_copy(normal_style);
1213                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1214                 style = color_style;
1215         } else {
1216                 style = normal_style;
1217         }
1218
1219         gtk_ctree_node_set_row_style(ctree, node, style);
1220
1221         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1222                 folderview_update_node(folderview, node);
1223 }
1224
1225 gboolean folderview_update_item(gpointer source, gpointer data)
1226 {
1227         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1228         FolderView *folderview = (FolderView *)data;
1229         GtkCTree *ctree;
1230         GtkCTreeNode *node;
1231
1232         g_return_val_if_fail(update_info != NULL, TRUE);
1233         g_return_val_if_fail(update_info->item != NULL, TRUE);
1234         g_return_val_if_fail(folderview != NULL, FALSE);
1235
1236         ctree = GTK_CTREE(folderview->ctree);
1237
1238         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1239         if (node) {
1240                 if (update_info->update_flags & F_ITEM_UPDATE_MSGCNT)
1241                         folderview_update_node(folderview, node);
1242                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1243                         summary_show(folderview->summaryview, update_info->item);
1244         }
1245
1246         return FALSE;
1247 }
1248
1249 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1250                                       GNode *gnode, GtkCTreeNode *cnode,
1251                                       gpointer data)
1252 {
1253         FolderView *folderview = (FolderView *)data;
1254         FolderItem *item = FOLDER_ITEM(gnode->data);
1255
1256         g_return_val_if_fail(item != NULL, FALSE);
1257
1258         gtk_ctree_node_set_row_data(ctree, cnode, item);
1259         folderview_update_node(folderview, cnode);
1260
1261         return TRUE;
1262 }
1263
1264 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1265                                    gpointer data)
1266 {
1267         FolderView *folderview = (FolderView *)data;
1268         FolderItem *item;
1269
1270         if (GTK_CTREE_ROW(node)->children) {
1271                 item = gtk_ctree_node_get_row_data(ctree, node);
1272                 g_return_if_fail(item != NULL);
1273
1274                 if (!item->collapsed)
1275                         gtk_ctree_expand(ctree, node);
1276                 else
1277                         folderview_update_node(folderview, node);
1278         }
1279 }
1280
1281 #define SET_SPECIAL_FOLDER(ctree, item) \
1282 { \
1283         if (item) { \
1284                 GtkCTreeNode *node, *parent, *sibling; \
1285  \
1286                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
1287                 if (!node) \
1288                         g_warning("%s not found.\n", item->path); \
1289                 else { \
1290                         parent = GTK_CTREE_ROW(node)->parent; \
1291                         if (prev && parent == GTK_CTREE_ROW(prev)->parent) \
1292                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
1293                         else \
1294                                 sibling = GTK_CTREE_ROW(parent)->children; \
1295                         if (node != sibling) \
1296                                 gtk_ctree_move(ctree, node, parent, sibling); \
1297                 } \
1298  \
1299                 prev = node; \
1300         } \
1301 }
1302
1303 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1304                                     Folder *folder)
1305 {
1306         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1307         GtkCTreeNode *prev = NULL;
1308
1309         gtk_sctree_sort_recursive(ctree, root);
1310
1311         if (GTK_CTREE_ROW(root)->parent) return;
1312
1313         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1314         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1315         SET_SPECIAL_FOLDER(ctree, folder->draft);
1316         SET_SPECIAL_FOLDER(ctree, folder->queue);
1317         SET_SPECIAL_FOLDER(ctree, folder->trash);
1318 }
1319
1320 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1321 {
1322         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1323         GtkCTreeNode *root;
1324
1325         g_return_if_fail(folder != NULL);
1326
1327         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1328                                       folderview_gnode_func, folderview);
1329         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1330                                 folderview);
1331         folderview_sort_folders(folderview, root, folder);
1332 }
1333
1334 void folderview_new_folder(FolderView *folderview)
1335 {
1336         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1337         FolderItem *item;
1338
1339         if (!folderview->selected) return;
1340
1341         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1342         g_return_if_fail(item != NULL);
1343         g_return_if_fail(item->folder != NULL);
1344
1345         switch (FOLDER_TYPE(item->folder)) {
1346         case F_MBOX:
1347                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1348                 break;
1349         case F_MH:
1350         case F_MAILDIR:
1351                 folderview_new_folder_cb(folderview, 0, NULL);
1352                 break;
1353         case F_IMAP:
1354                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1355                 break;
1356         case F_NEWS:
1357         default:
1358                 break;
1359         }
1360 }
1361
1362 void folderview_rename_folder(FolderView *folderview)
1363 {
1364         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1365         FolderItem *item;
1366
1367         if (!folderview->selected) return;
1368
1369         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1370         g_return_if_fail(item != NULL);
1371         g_return_if_fail(item->folder != NULL);
1372         if (!item->path) return;
1373         if (item->stype != F_NORMAL) return;
1374
1375         switch (FOLDER_TYPE(item->folder)) {
1376         case F_MBOX:
1377                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1378                 break;
1379         case F_MH:
1380         case F_MAILDIR:
1381         case F_IMAP:
1382                 folderview_rename_folder_cb(folderview, 0, NULL);
1383                 break;
1384         case F_NEWS:
1385         default:
1386                 break;
1387         }
1388 }
1389
1390 void folderview_delete_folder(FolderView *folderview)
1391 {
1392         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1393         FolderItem *item;
1394
1395         if (!folderview->selected) return;
1396
1397         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1398         g_return_if_fail(item != NULL);
1399         g_return_if_fail(item->folder != NULL);
1400         if (!item->path) return;
1401         if (item->stype != F_NORMAL) return;
1402
1403         switch (FOLDER_TYPE(item->folder)) {
1404         case F_MH:
1405         case F_MBOX:
1406         case F_MAILDIR:
1407         case F_IMAP:
1408                 folderview_delete_folder_cb(folderview, 0, NULL);
1409                 break;
1410         case F_NEWS:
1411         default:
1412                 break;
1413         }
1414 }
1415
1416
1417 /* callback functions */
1418
1419 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1420                                       FolderView *folderview)
1421 {
1422         GtkCList *clist = GTK_CLIST(ctree);
1423         gint prev_row = -1, row = -1, column = -1;
1424         FolderItem *item;
1425         Folder *folder;
1426         GtkWidget *popup;
1427         gboolean mark_all_read   = FALSE;
1428         gboolean new_folder      = FALSE;
1429         gboolean rename_folder   = FALSE;
1430         gboolean move_folder     = FALSE;
1431         gboolean delete_folder   = FALSE;
1432         gboolean update_tree     = FALSE;
1433         gboolean rescan_tree     = FALSE;
1434         gboolean remove_tree     = FALSE;
1435         gboolean search_folder   = FALSE;
1436         gboolean folder_property = FALSE;
1437         gboolean folder_processing  = FALSE;
1438         gboolean folder_scoring  = FALSE;
1439
1440         if (!event) return;
1441
1442         if (event->button == 1) {
1443                 folderview->open_folder = TRUE;
1444                 return;
1445         }
1446
1447         if (event->button == 2 || event->button == 3) {
1448                 /* right clicked */
1449                 if (clist->selection) {
1450                         GtkCTreeNode *node;
1451
1452                         node = GTK_CTREE_NODE(clist->selection->data);
1453                         if (node)
1454                                 prev_row = gtkut_ctree_get_nth_from_node
1455                                         (GTK_CTREE(ctree), node);
1456                 }
1457
1458                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1459                                                   &row, &column))
1460                         return;
1461                 if (prev_row != row) {
1462                         gtk_clist_unselect_all(clist);
1463                         if (event->button == 2)
1464                                 folderview_select_node
1465                                         (folderview,
1466                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1467                                                             row));
1468                         else
1469                                 gtk_clist_select_row(clist, row, column);
1470                 }
1471         }
1472
1473         if (event->button != 3) return;
1474
1475         item = gtk_clist_get_row_data(clist, row);
1476         g_return_if_fail(item != NULL);
1477         g_return_if_fail(item->folder != NULL);
1478         folder = item->folder;
1479
1480         if (folderview->mainwin->lock_count == 0) {
1481                 new_folder = TRUE;
1482                 if (item->parent == NULL) {
1483                         update_tree = remove_tree = TRUE;
1484                         if (folder->account)
1485                                 folder_property = TRUE;
1486                 } else
1487                         mark_all_read = search_folder = folder_property = TRUE;
1488
1489                 if (FOLDER_IS_LOCAL(folder) || FOLDER_TYPE(folder) == F_IMAP || FOLDER_TYPE(folder) == F_MBOX) {
1490                         if (item->parent == NULL)
1491                                 update_tree = rescan_tree = TRUE;
1492                         else if (item->stype == F_NORMAL)
1493                                 move_folder = rename_folder = delete_folder = folder_scoring = folder_processing = TRUE;
1494                         else if (item->stype == F_INBOX)
1495                                 folder_scoring = folder_processing = TRUE;
1496                         else if (item->stype == F_TRASH)
1497                                 folder_processing = TRUE;
1498                         else if (item->stype == F_OUTBOX)
1499                                 folder_processing = TRUE;
1500                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
1501                         if (item->parent != NULL)
1502                                 delete_folder = folder_scoring = folder_processing = TRUE;
1503                 }
1504                 if (item->unread_msgs < 1)
1505                         mark_all_read = FALSE;
1506         }
1507
1508 #define SET_SENS(factory, name, sens) \
1509         menu_set_sensitive(folderview->factory, name, sens)
1510
1511         mark_all_read = mark_all_read &&
1512                         (item == folderview->summaryview->folder_item);
1513
1514         if (FOLDER_IS_LOCAL(folder)) {
1515                 popup = folderview->mail_popup;
1516                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1517                 SET_SENS(mail_factory, "/Mark all read", mark_all_read);
1518                 SET_SENS(mail_factory, "/Create new folder...", new_folder);
1519                 SET_SENS(mail_factory, "/Rename folder...", rename_folder);
1520                 SET_SENS(mail_factory, "/Move folder...", move_folder);
1521                 SET_SENS(mail_factory, "/Delete folder", delete_folder);
1522                 SET_SENS(mail_factory, "/Check for new messages", update_tree);
1523                 SET_SENS(mail_factory, "/Rebuild folder tree", rescan_tree);
1524                 SET_SENS(mail_factory, "/Remove mailbox", remove_tree);
1525                 SET_SENS(mail_factory, "/Search folder...", search_folder);
1526                 SET_SENS(mail_factory, "/Properties...", folder_property);
1527                 SET_SENS(mail_factory, "/Processing...", folder_processing);
1528                 SET_SENS(mail_factory, "/Scoring...", folder_scoring);
1529         } else if (FOLDER_TYPE(folder) == F_IMAP) {
1530                 popup = folderview->imap_popup;
1531                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1532                 SET_SENS(imap_factory, "/Mark all read", mark_all_read);
1533                 SET_SENS(imap_factory, "/Create new folder...", new_folder);
1534                 SET_SENS(imap_factory, "/Rename folder...", rename_folder);
1535                 SET_SENS(imap_factory, "/Move folder...", move_folder);
1536                 SET_SENS(imap_factory, "/Delete folder", delete_folder);
1537                 SET_SENS(imap_factory, "/Check for new messages", update_tree);
1538                 SET_SENS(imap_factory, "/Rebuild folder tree", rescan_tree);
1539                 SET_SENS(imap_factory, "/Remove IMAP4 account", remove_tree);
1540                 SET_SENS(imap_factory, "/Search folder...", search_folder);
1541                 SET_SENS(imap_factory, "/Properties...", folder_property);
1542                 SET_SENS(imap_factory, "/Processing...", folder_processing);
1543                 SET_SENS(imap_factory, "/Scoring...", folder_scoring);
1544         } else if (FOLDER_TYPE(folder) == F_NEWS) {
1545                 popup = folderview->news_popup;
1546                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1547                 SET_SENS(news_factory, "/Mark all read", mark_all_read);
1548                 SET_SENS(news_factory, "/Subscribe to newsgroup...", new_folder);
1549                 SET_SENS(news_factory, "/Remove newsgroup", delete_folder);
1550                 SET_SENS(news_factory, "/Check for new messages", update_tree);
1551                 SET_SENS(news_factory, "/Remove news account", remove_tree);
1552                 SET_SENS(news_factory, "/Search folder...", search_folder);
1553                 SET_SENS(news_factory, "/Properties...", folder_property);
1554                 SET_SENS(news_factory, "/Processing...", folder_processing);
1555                 SET_SENS(news_factory, "/Scoring...", folder_scoring);
1556         } else if (FOLDER_TYPE(folder) == F_MBOX) {
1557                 popup = folderview->mbox_popup;
1558                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1559                 SET_SENS(mbox_factory, "/Create new folder...", new_folder);
1560                 SET_SENS(mbox_factory, "/Rename folder...", rename_folder);
1561                 SET_SENS(mbox_factory, "/Move folder...", move_folder);
1562                 SET_SENS(mbox_factory, "/Delete folder", delete_folder);
1563                 SET_SENS(news_factory, "/Properties...", folder_property);
1564                 SET_SENS(mbox_factory, "/Processing...", folder_processing);
1565                 SET_SENS(mbox_factory, "/Scoring...", folder_scoring);
1566         } else
1567                 return;
1568
1569 #undef SET_SENS
1570
1571         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1572                        event->button, event->time);
1573 }
1574
1575 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1576                                        FolderView *folderview)
1577 {
1578         if (!event) return;
1579
1580         if (event->button == 1 && folderview->open_folder == FALSE &&
1581             folderview->opened != NULL) {
1582                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1583                                           folderview->opened);
1584                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1585         }
1586 }
1587
1588 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1589                                    FolderView *folderview)
1590 {
1591         if (!event) return;
1592
1593         switch (event->keyval) {
1594         case GDK_Return:
1595                 if (folderview->selected) {
1596                         folderview_select_node(folderview,
1597                                                folderview->selected);
1598                 }
1599                 break;
1600         case GDK_space:
1601                 if (folderview->selected) {
1602                         if (folderview->opened == folderview->selected &&
1603                             (!folderview->summaryview->folder_item ||
1604                              folderview->summaryview->folder_item->total_msgs == 0))
1605                                 folderview_select_next_unread(folderview);
1606                         else
1607                                 folderview_select_node(folderview,
1608                                                        folderview->selected);
1609                 }
1610                 break;
1611         default:
1612                 break;
1613         }
1614 }
1615
1616 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1617                                 gint column, FolderView *folderview)
1618 {
1619         static gboolean can_select = TRUE;      /* exclusive lock */
1620         gboolean opened;
1621         FolderItem *item;
1622         gchar *buf;
1623
1624         folderview->selected = row;
1625
1626         if (folderview->opened == row) {
1627                 folderview->open_folder = FALSE;
1628                 return;
1629         }
1630
1631         if (!can_select || summary_is_locked(folderview->summaryview)) {
1632                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1633                 gtk_ctree_select(ctree, folderview->opened);
1634                 return;
1635         }
1636
1637         if (!folderview->open_folder) return;
1638
1639         item = gtk_ctree_node_get_row_data(ctree, row);
1640         if (!item) return;
1641
1642         can_select = FALSE;
1643
1644         /* Save cache for old folder */
1645         /* We don't want to lose all caches if sylpheed crashed */
1646         if (folderview->opened) {
1647                 FolderItem *olditem;
1648
1649                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1650                 if (olditem) {
1651                         /* will be null if we just moved the previously opened folder */
1652                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1653                         folder_item_close(olditem);
1654                 }
1655         }
1656
1657         /* CLAWS: set compose button type: news folder items
1658          * always have a news folder as parent */
1659         if (item->folder)
1660                 toolbar_set_compose_button
1661                         (folderview->mainwin->toolbar,
1662                          FOLDER_TYPE(item->folder) == F_NEWS ?
1663                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1664
1665         if (item->path)
1666                 debug_print("Folder %s is selected\n", item->path);
1667
1668         if (!GTK_CTREE_ROW(row)->children)
1669                 gtk_ctree_expand(ctree, row);
1670         if (folderview->opened &&
1671             !GTK_CTREE_ROW(folderview->opened)->children)
1672                 gtk_ctree_collapse(ctree, folderview->opened);
1673
1674         /* ungrab the mouse event */
1675         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1676                 gtk_grab_remove(GTK_WIDGET(ctree));
1677                 if (gdk_pointer_is_grabbed())
1678                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1679         }
1680
1681         /* Open Folder */
1682         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1683                                         item->path : "(null)");
1684         debug_print("%s\n", buf);
1685         STATUSBAR_PUSH(folderview->mainwin, buf);
1686         g_free(buf);
1687
1688         main_window_cursor_wait(folderview->mainwin);
1689
1690         if (folder_item_open(item) != 0) {
1691                 main_window_cursor_normal(folderview->mainwin);
1692                 STATUSBAR_POP(folderview->mainwin);
1693
1694                 alertpanel_error(_("Folder could not be opened."));
1695
1696                 return;
1697         }
1698
1699         main_window_cursor_normal(folderview->mainwin);
1700
1701         /* Show messages */
1702         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1703         opened = summary_show(folderview->summaryview, item);
1704
1705         folder_clean_cache_memory();
1706
1707         if (!opened) {
1708                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1709                 gtk_ctree_select(ctree, folderview->opened);
1710         } else {
1711                 folderview->opened = row;
1712                 if (gtk_ctree_node_is_visible(ctree, row)
1713                     != GTK_VISIBILITY_FULL)
1714                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1715         }
1716
1717         STATUSBAR_POP(folderview->mainwin);
1718
1719         folderview->open_folder = FALSE;
1720         can_select = TRUE;
1721 }
1722
1723 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1724                                      FolderView *folderview)
1725 {
1726         FolderItem *item;
1727
1728         item = gtk_ctree_node_get_row_data(ctree, node);
1729         g_return_if_fail(item != NULL);
1730         item->collapsed = FALSE;
1731         folderview_update_node(folderview, node);
1732 }
1733
1734 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1735                                       FolderView *folderview)
1736 {
1737         FolderItem *item;
1738
1739         item = gtk_ctree_node_get_row_data(ctree, node);
1740         g_return_if_fail(item != NULL);
1741         item->collapsed= TRUE;
1742         folderview_update_node(folderview, node);
1743 }
1744
1745 static void folderview_popup_close(GtkMenuShell *menu_shell,
1746                                    FolderView *folderview)
1747 {
1748         if (!folderview->opened) return;
1749
1750         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1751                                   folderview->opened);
1752         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1753 }
1754
1755 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1756                                    FolderView *folderview)
1757 {
1758         switch (column) {
1759         case COL_FOLDER:
1760                 prefs_common.folder_col_folder = width;
1761                 break;
1762         case COL_NEW:
1763                 prefs_common.folder_col_new = width;
1764                 break;
1765         case COL_UNREAD:
1766                 prefs_common.folder_col_unread = width;
1767                 break;
1768         case COL_TOTAL:
1769                 prefs_common.folder_col_total = width;
1770                 break;
1771         default:
1772                 break;
1773         }
1774 }
1775
1776 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1777                                              GtkCTreeNode *node,
1778                                              const gchar *name)
1779 {
1780         FolderItem *item;
1781
1782         if (!node)
1783                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1784         if (!node)
1785                 return NULL;
1786
1787         node = GTK_CTREE_ROW(node)->children;
1788
1789         while (node) {
1790                 item = gtk_ctree_node_get_row_data(ctree, node);
1791                 if (!folderview_compare_name(item, name))
1792                         return node;
1793                 node = GTK_CTREE_ROW(node)->sibling;
1794         }
1795
1796         return NULL;
1797 }
1798
1799 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1800                                       GtkWidget *widget)
1801 {
1802         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1803         FolderItem *item;
1804
1805         if (!folderview->selected) return;
1806
1807         summary_show(folderview->summaryview, NULL);
1808
1809         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1810         g_return_if_fail(item != NULL);
1811         g_return_if_fail(item->folder != NULL);
1812
1813         if (action == 0)
1814                 folderview_check_new(item->folder);
1815         else
1816                 folderview_rescan_tree(item->folder);
1817 }
1818
1819 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1820 {
1821         GNode *srcnode;
1822
1823         folderview_create_folder_node(folderview, item);
1824
1825         srcnode = item->folder->node;
1826         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1827         srcnode = srcnode->children;
1828         while (srcnode != NULL) {
1829                 if (srcnode && srcnode->data) {
1830                         FolderItem *next_item = (FolderItem*) srcnode->data;
1831                         folderview_create_folder_node_recursive(folderview, next_item);
1832                 }
1833                 srcnode = srcnode->next;
1834         }
1835 }
1836
1837 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1838 {
1839         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1840         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1841         GtkCTreeNode *node, *parent_node;
1842
1843         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, item->parent);
1844
1845         gtk_clist_freeze(GTK_CLIST(ctree));
1846
1847         text[COL_FOLDER] = item->name;
1848         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1849                                      FOLDER_SPACING,
1850                                      folderxpm, folderxpmmask,
1851                                      folderopenxpm, folderopenxpmmask,
1852                                      FALSE, FALSE);
1853         gtk_ctree_expand(ctree, parent_node);
1854         gtk_ctree_node_set_row_data(ctree, node, item);
1855         if (normal_style)
1856                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1857         folderview_sort_folders(folderview, folderview->selected, item->folder);
1858
1859         gtk_clist_thaw(GTK_CLIST(ctree));
1860 }
1861
1862 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1863                                      GtkWidget *widget)
1864 {
1865         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1866         FolderItem *item;
1867         FolderItem *new_item;
1868         gchar *new_folder;
1869         gchar *name, *name_;
1870
1871         if (!folderview->selected) return;
1872
1873         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1874         g_return_if_fail(item != NULL);
1875         g_return_if_fail(item->folder != NULL);
1876
1877         new_folder = input_dialog(_("New folder"),
1878                                   _("Input the name of new folder:"),
1879                                   _("NewFolder"));
1880         if (!new_folder) return;
1881
1882         if (FOLDER_TYPE(item->folder) != F_MBOX) {
1883                 if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1884                         alertpanel_error(_("`%c' can't be included in folder name."),
1885                                          G_DIR_SEPARATOR);
1886                         g_free(new_folder);
1887                         return;
1888                 }
1889         }
1890
1891         name_ = trim_string(new_folder, 32);
1892         Xstrdup_a(name, name_, {g_free(new_folder); return;});
1893         g_free(name_);
1894
1895         /* find whether the directory already exists */
1896         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1897                 alertpanel_error(_("The folder `%s' already exists."), name);
1898                 g_free(new_folder);
1899                 return;
1900         }
1901
1902         new_item = folder_create_folder(item, new_folder);
1903         if (!new_item) {
1904                 alertpanel_error(_("Can't create the folder `%s'."), name);
1905                 g_free(new_folder);
1906                 return;
1907         }
1908         g_free(new_folder);
1909
1910         folderview_create_folder_node(folderview, new_item);
1911
1912         folder_write_list();
1913 }
1914
1915 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1916                                           GtkWidget *widget)
1917 {
1918         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1919         FolderItem *item;
1920         FolderItem *new_item;
1921         gchar *new_folder;
1922
1923         if (!folderview->selected) return;
1924
1925         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1926         g_return_if_fail(item != NULL);
1927         g_return_if_fail(item->folder != NULL);
1928
1929         new_folder = input_dialog(_("New folder"),
1930                                   _("Input the name of new folder:"),
1931                                   _("NewFolder"));
1932         if (!new_folder) return;
1933
1934         /* find whether the directory already exists */
1935         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1936                 alertpanel_error(_("The folder `%s' already exists."),
1937                                  new_folder);
1938                 g_free(new_folder);
1939                 return;
1940         }
1941
1942         new_item = folder_create_folder(item, new_folder);
1943         g_free(new_folder);
1944         if (!new_item) return;
1945
1946         folderview_create_folder_node(folderview, new_item);
1947
1948         folder_write_list();
1949 }
1950
1951 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1952                                         GtkWidget *widget)
1953 {
1954         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1955         FolderItem *item;
1956         gchar *new_folder;
1957         gchar *name, *name_;
1958         gchar *message;
1959         gchar *old_path;
1960         gchar *old_id;
1961         gchar *new_id;
1962
1963         if (!folderview->selected) return;
1964
1965         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1966         g_return_if_fail(item != NULL);
1967         g_return_if_fail(item->path != NULL);
1968         g_return_if_fail(item->folder != NULL);
1969
1970         name_ = trim_string(item->name, 32);
1971         Xstrdup_a(name, name_, return);
1972         g_free(name_);
1973         message = g_strdup_printf(_("Input new name for `%s':"), name);
1974         new_folder = input_dialog(_("Rename folder"), message,
1975                                   g_basename(item->path));
1976         g_free(message);
1977         if (!new_folder) return;
1978
1979         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1980                 alertpanel_error(_("`%c' can't be included in folder name."),
1981                                  G_DIR_SEPARATOR);
1982                 g_free(new_folder);
1983                 return;
1984         }
1985
1986         if (folderview_find_by_name
1987                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1988                  new_folder)) {
1989                 name = trim_string(new_folder, 32);
1990                 alertpanel_error(_("The folder `%s' already exists."), name);
1991                 g_free(name);
1992                 g_free(new_folder);
1993                 return;
1994         }
1995
1996         Xstrdup_a(old_path, item->path, {g_free(new_folder); return;});
1997         old_id = folder_item_get_identifier(item);
1998
1999         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
2000                 g_free(old_id);
2001                 g_free(new_folder);
2002                 return;
2003         }
2004         g_free(new_folder);
2005
2006         /* if (FOLDER_TYPE(item->folder) == F_MH)
2007                 prefs_filtering_rename_path(old_path, item->path); */
2008         new_id = folder_item_get_identifier(item);
2009         prefs_filtering_rename_path(old_id, new_id);
2010
2011         g_free(old_id);
2012         g_free(new_id);
2013
2014         gtk_clist_freeze(GTK_CLIST(ctree));
2015
2016         folderview_update_node(folderview, folderview->selected);
2017         folderview_sort_folders(folderview,
2018                                 GTK_CTREE_ROW(folderview->selected)->parent,
2019                                 item->folder);
2020         if (folderview->opened == folderview->selected ||
2021             gtk_ctree_is_ancestor(ctree,
2022                                   folderview->selected,
2023                                   folderview->opened)) {
2024                 GtkCTreeNode *node = folderview->opened;
2025                 folderview_unselect(folderview);
2026                 folderview_select_node(folderview, node);
2027         }
2028
2029         gtk_clist_thaw(GTK_CLIST(ctree));
2030
2031         folder_write_list();
2032 }
2033
2034 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
2035                                              guint action,
2036                                              GtkWidget *widget)
2037 {
2038         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2039         FolderItem *item;
2040         gchar *new_folder;
2041         gchar *message;
2042
2043         if (!folderview->selected) return;
2044
2045         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2046         g_return_if_fail(item != NULL);
2047         g_return_if_fail(item->path != NULL);
2048         g_return_if_fail(item->folder != NULL);
2049
2050         message = g_strdup_printf(_("Input new name for `%s':"),
2051                                   g_basename(item->path));
2052         new_folder = input_dialog(_("Rename folder"), message,
2053                                   g_basename(item->path));
2054         g_free(message);
2055         if (!new_folder) return;
2056
2057         if (folderview_find_by_name
2058                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2059                  new_folder)) {
2060                 alertpanel_error(_("The folder `%s' already exists."),
2061                                  new_folder);
2062                 g_free(new_folder);
2063                 return;
2064         }
2065
2066         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
2067                 g_free(new_folder);
2068                 return;
2069         }
2070         g_free(new_folder);
2071
2072         gtk_clist_freeze(GTK_CLIST(ctree));
2073
2074         folderview_update_node(folderview, folderview->selected);
2075         folderview_sort_folders(folderview,
2076                                 GTK_CTREE_ROW(folderview->selected)->parent,
2077                                 item->folder);
2078         if (folderview->opened == folderview->selected) {
2079                 if (!GTK_CTREE_ROW(folderview->opened)->children)
2080                         gtk_ctree_expand(ctree, folderview->opened);
2081                 summary_show(folderview->summaryview, item);
2082         }
2083
2084         gtk_clist_thaw(GTK_CLIST(ctree));
2085
2086         folder_write_list();
2087 }
2088
2089 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
2090                                         GtkWidget *widget)
2091 {
2092         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2093         FolderItem *item;
2094         gchar *message, *name, *name_;
2095         AlertValue avalue;
2096         gchar *old_path;
2097         gchar *old_id;
2098
2099         if (!folderview->selected) return;
2100
2101         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2102         g_return_if_fail(item != NULL);
2103         g_return_if_fail(item->path != NULL);
2104         g_return_if_fail(item->folder != NULL);
2105
2106         name_ = trim_string(item->name, 32);
2107         Xstrdup_a(name, name_, return);
2108         g_free(name_);
2109         message = g_strdup_printf
2110                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
2111                    "Do you really want to delete?"), name);
2112         avalue = alertpanel(_("Delete folder"), message,
2113                             _("Yes"), _("+No"), NULL);
2114         g_free(message);
2115         if (avalue != G_ALERTDEFAULT) return;
2116
2117         Xstrdup_a(old_path, item->path, return);
2118         old_id = folder_item_get_identifier(item);
2119
2120         if (item->folder->klass->remove_folder(item->folder, item) < 0) {
2121                 alertpanel_error(_("Can't remove the folder `%s'."), name);
2122                 if (folderview->opened == folderview->selected)
2123                         summary_show(folderview->summaryview,
2124                                      folderview->summaryview->folder_item);
2125                 g_free(old_id);
2126                 return;
2127         }
2128
2129         /* if (FOLDER_TYPE(item->folder) == F_MH)
2130                 prefs_filtering_delete_path(old_path); */
2131
2132         if (folderview->opened == folderview->selected ||
2133             gtk_ctree_is_ancestor(ctree,
2134                                   folderview->selected,
2135                                   folderview->opened)) {
2136                 summary_clear_all(folderview->summaryview);
2137                 folderview->opened = NULL;
2138         }
2139
2140         gtk_ctree_remove_node(ctree, folderview->selected);
2141         folder_write_list();
2142
2143         prefs_filtering_delete_path(old_id);
2144         g_free(old_id);
2145
2146 }
2147
2148 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
2149                                          GtkWidget *widget)
2150 {
2151         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2152         GtkCTreeNode *node;
2153         FolderItem *item;
2154         gchar *name, *name_;
2155         gchar *message;
2156         AlertValue avalue;
2157
2158         if (!folderview->selected) return;
2159         node = folderview->selected;
2160         item = gtk_ctree_node_get_row_data(ctree, node);
2161         g_return_if_fail(item != NULL);
2162         g_return_if_fail(item->folder != NULL);
2163         if (item->parent) return;
2164
2165         name_ = trim_string(item->folder->name, 32);
2166         Xstrdup_a(name, name_, return);
2167         g_free(name_);
2168         message = g_strdup_printf
2169                 (_("Really remove the mailbox `%s' ?\n"
2170                    "(The messages are NOT deleted from the disk)"), name);
2171         avalue = alertpanel(_("Remove mailbox"), message,
2172                             _("Yes"), _("+No"), NULL);
2173         g_free(message);
2174         if (avalue != G_ALERTDEFAULT) return;
2175
2176         folder_destroy(item->folder);
2177         summary_clear_all(folderview->summaryview);
2178         folderview_unselect(folderview);
2179         gtk_ctree_remove_node(ctree, node);
2180         folder_write_list();
2181 }
2182
2183 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
2184                                           GtkWidget *widget)
2185 {
2186         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2187         FolderItem *item;
2188         FolderItem *new_item;
2189         gchar *new_folder;
2190         gchar *name, *name_;
2191         gchar *p;
2192
2193         if (!folderview->selected) return;
2194
2195         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2196         g_return_if_fail(item != NULL);
2197         g_return_if_fail(item->folder != NULL);
2198         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2199         g_return_if_fail(item->folder->account != NULL);
2200
2201         new_folder = input_dialog
2202                 (_("New folder"),
2203                  _("Input the name of new folder:\n"
2204                    "(if you want to create a folder to store subfolders,\n"
2205                    " append `/' at the end of the name)"),
2206                  _("NewFolder"));
2207         if (!new_folder) return;
2208
2209         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
2210             *(p + 1) != '\0') {
2211                 alertpanel_error(_("`%c' can't be included in folder name."),
2212                                  G_DIR_SEPARATOR);
2213                 g_free(new_folder);
2214                 return;
2215         }
2216
2217         name_ = trim_string(new_folder, 32);
2218         Xstrdup_a(name, name_, return);
2219         g_free(name_);
2220
2221         /* find whether the directory already exists */
2222         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
2223                 alertpanel_error(_("The folder `%s' already exists."), name);
2224                 g_free(new_folder);
2225                 return;
2226         }
2227
2228         new_item = folder_create_folder(item, new_folder);
2229         if (!new_item) {
2230                 alertpanel_error(_("Can't create the folder `%s'."), name);
2231                 g_free(new_folder);
2232                 return;
2233         }
2234         g_free(new_folder);
2235
2236         folderview_create_folder_node(folderview, new_item);
2237
2238         folder_write_list();
2239 }
2240
2241 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
2242                                          GtkWidget *widget)
2243 {
2244         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2245         FolderItem *item;
2246         PrefsAccount *account;
2247         gchar *name, *name_;
2248         gchar *message;
2249         AlertValue avalue;
2250
2251         if (!folderview->selected) return;
2252
2253         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2254         g_return_if_fail(item != NULL);
2255         g_return_if_fail(item->folder != NULL);
2256         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2257         g_return_if_fail(item->folder->account != NULL);
2258
2259         name_ = trim_string(item->folder->name, 32);
2260         Xstrdup_a(name, name_, return);
2261         g_free(name_);
2262         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"), name);
2263         avalue = alertpanel(_("Delete IMAP4 account"), message,
2264                             _("Yes"), _("+No"), NULL);
2265         g_free(message);
2266
2267         if (avalue != G_ALERTDEFAULT) return;
2268
2269         if (folderview->opened == folderview->selected ||
2270             gtk_ctree_is_ancestor(ctree,
2271                                   folderview->selected,
2272                                   folderview->opened)) {
2273                 summary_clear_all(folderview->summaryview);
2274                 folderview->opened = NULL;
2275         }
2276
2277         account = item->folder->account;
2278         folder_destroy(item->folder);
2279         account_destroy(account);
2280         gtk_ctree_remove_node(ctree, folderview->selected);
2281         account_set_menu();
2282         main_window_reflect_prefs_all();
2283         folder_write_list();
2284 }
2285
2286 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
2287                                          GtkWidget *widget)
2288 {
2289         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2290         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2291         GtkCTreeNode *servernode, *node;
2292         Folder *folder;
2293         FolderItem *item;
2294         FolderItem *rootitem;
2295         FolderItem *newitem;
2296         GSList *new_subscr;
2297         GSList *cur;
2298         GNode *gnode;
2299
2300         if (!folderview->selected) return;
2301
2302         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2303         g_return_if_fail(item != NULL);
2304         folder = item->folder;
2305         g_return_if_fail(folder != NULL);
2306         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
2307         g_return_if_fail(folder->account != NULL);
2308
2309         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
2310                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
2311         else
2312                 servernode = folderview->selected;
2313
2314         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
2315
2316         new_subscr = grouplist_dialog(folder);
2317
2318         /* remove unsubscribed newsgroups */
2319         for (gnode = folder->node->children; gnode != NULL; ) {
2320                 GNode *next = gnode->next;
2321
2322                 item = FOLDER_ITEM(gnode->data);
2323                 if (g_slist_find_custom(new_subscr, item->path,
2324                                         (GCompareFunc)g_strcasecmp) != NULL) {
2325                         gnode = next;
2326                         continue;
2327                 }
2328
2329                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
2330                 if (!node) {
2331                         gnode = next;
2332                         continue;
2333                 }
2334
2335                 if (folderview->opened == node) {
2336                         summary_clear_all(folderview->summaryview);
2337                         folderview->opened = NULL;
2338                 }
2339
2340                 folder_item_remove(item);
2341                 gtk_ctree_remove_node(ctree, node);
2342
2343                 gnode = next;
2344         }
2345
2346         gtk_clist_freeze(GTK_CLIST(ctree));
2347
2348         /* add subscribed newsgroups */
2349         for (cur = new_subscr; cur != NULL; cur = cur->next) {
2350                 gchar *name = (gchar *)cur->data;
2351
2352                 if (folderview_find_by_name(ctree, servernode, name) != NULL)
2353                         continue;
2354
2355                 text[COL_FOLDER] = name;
2356                 node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
2357                                              FOLDER_SPACING,
2358                                              folderxpm, folderxpmmask,
2359                                              folderopenxpm, folderopenxpmmask,
2360                                              FALSE, FALSE);
2361                 gtk_ctree_expand(ctree, servernode);
2362
2363                 newitem = folder_item_new(folder, name, name);
2364                 folder_item_append(rootitem, newitem);
2365                 gtk_ctree_node_set_row_data(ctree, node, newitem);
2366         }
2367
2368         folderview_sort_folders(folderview, servernode, folder);
2369         gtk_clist_thaw(GTK_CLIST(ctree));
2370
2371         slist_free_strings(new_subscr);
2372         g_slist_free(new_subscr);
2373
2374         folder_write_list();
2375 }
2376
2377 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
2378                                         GtkWidget *widget)
2379 {
2380         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2381         FolderItem *item;
2382         gchar *name, *name_;
2383         gchar *message;
2384         AlertValue avalue;
2385
2386         if (!folderview->selected) return;
2387
2388         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2389         g_return_if_fail(item != NULL);
2390         g_return_if_fail(item->folder != NULL);
2391         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2392         g_return_if_fail(item->folder->account != NULL);
2393
2394         name_ = trim_string(item->path, 32);
2395         Xstrdup_a(name, name_, return);
2396         g_free(name_);
2397         message = g_strdup_printf(_("Really delete newsgroup `%s'?"), name);
2398         avalue = alertpanel(_("Delete newsgroup"), message,
2399                             _("Yes"), _("+No"), NULL);
2400         g_free(message);
2401         if (avalue != G_ALERTDEFAULT) return;
2402
2403         if (folderview->opened == folderview->selected) {
2404                 summary_clear_all(folderview->summaryview);
2405                 folderview->opened = NULL;
2406         }
2407
2408         folder_item_remove(item);
2409         gtk_ctree_remove_node(ctree, folderview->selected);
2410         folder_write_list();
2411
2412         prefs_filtering_delete_path(name);
2413 }
2414
2415 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
2416                                          GtkWidget *widget)
2417 {
2418         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2419         FolderItem *item;
2420         PrefsAccount *account;
2421         gchar *name, *name_;
2422         gchar *message;
2423         AlertValue avalue;
2424
2425         if (!folderview->selected) return;
2426
2427         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2428         g_return_if_fail(item != NULL);
2429         g_return_if_fail(item->folder != NULL);
2430         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2431         g_return_if_fail(item->folder->account != NULL);
2432
2433         name_ = trim_string(item->folder->name, 32);
2434         Xstrdup_a(name, name_, return);
2435         g_free(name_);
2436         message = g_strdup_printf(_("Really delete news account `%s'?"), name);
2437         avalue = alertpanel(_("Delete news account"), message,
2438                             _("Yes"), _("+No"), NULL);
2439         g_free(message);
2440
2441         if (avalue != G_ALERTDEFAULT) return;
2442
2443         if (folderview->opened == folderview->selected ||
2444             gtk_ctree_is_ancestor(ctree,
2445                                   folderview->selected,
2446                                   folderview->opened)) {
2447                 summary_clear_all(folderview->summaryview);
2448                 folderview->opened = NULL;
2449         }
2450
2451         account = item->folder->account;
2452         folder_destroy(item->folder);
2453         account_destroy(account);
2454         gtk_ctree_remove_node(ctree, folderview->selected);
2455         account_set_menu();
2456         main_window_reflect_prefs_all();
2457         folder_write_list();
2458 }
2459
2460 static void folderview_search_cb(FolderView *folderview, guint action,
2461                                  GtkWidget *widget)
2462 {
2463         summary_search(folderview->summaryview);
2464 }
2465
2466 static void folderview_property_cb(FolderView *folderview, guint action,
2467                                    GtkWidget *widget)
2468 {
2469         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2470         FolderItem *item;
2471
2472         if (!folderview->selected) return;
2473
2474         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2475         g_return_if_fail(item != NULL);
2476         g_return_if_fail(item->folder != NULL);
2477
2478         if (item->parent == NULL && item->folder->account)
2479                 account_open(item->folder->account);
2480         else {
2481                 summary_save_prefs_to_folderitem(folderview->summaryview, item);
2482                 prefs_folder_item_open(item);
2483         }
2484 }
2485
2486 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2487 {
2488         GSList *list = NULL;
2489         GSList *done = NULL;
2490         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2491
2492         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2493                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2494                 &&  list->data != node) {
2495                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2496                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2497                 }
2498         }
2499         for (list = done; list != NULL; list = g_slist_next(list)) {
2500                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2501                                                                  list->data);
2502         }
2503         g_slist_free(done);
2504 }
2505
2506 static void folderview_recollapse_all_nodes(FolderView *folderview)
2507 {
2508         GSList *list = folderview->nodes_to_recollapse;
2509         if (!list) return;
2510         for (; list != NULL; list = g_slist_next(list))
2511                 if (list->data)
2512                         gtk_ctree_collapse(GTK_CTREE(folderview->ctree),
2513                                            GTK_CTREE_NODE(list->data));
2514         g_slist_free(folderview->nodes_to_recollapse);
2515         folderview->nodes_to_recollapse = NULL;
2516 }
2517
2518 static void folderview_move_to_cb(FolderView *folderview)
2519 {
2520         FolderItem *from_folder = NULL, *to_folder = NULL;
2521
2522         if (folderview->selected)
2523                 from_folder = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree), folderview->selected);
2524         if (!from_folder || FOLDER_TYPE(from_folder->folder) == F_NEWS)
2525                 return;
2526
2527         to_folder = foldersel_folder_sel(from_folder->folder, FOLDER_SEL_MOVE, NULL);
2528
2529         if (!to_folder || FOLDER_TYPE(to_folder->folder) == F_NEWS)
2530                 return;
2531
2532         folderview_move_to(folderview, from_folder, to_folder);
2533 }
2534
2535 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
2536                                FolderItem *to_folder)
2537 {
2538         FolderItem *from_parent = NULL;
2539         FolderItem *new_folder = NULL;
2540         GtkCTreeNode *src_node = NULL;
2541         gchar *buf;
2542         gint status;
2543
2544         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2545         from_parent = from_folder->parent;
2546         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2547         STATUSBAR_PUSH(folderview->mainwin, buf);
2548         g_free(buf);
2549         summary_clear_all(folderview->summaryview);
2550         folderview->opened = NULL;
2551         folderview->selected = NULL;
2552         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2553         inc_lock();
2554         main_window_cursor_wait(folderview->mainwin);
2555         statusbar_verbosity_set(TRUE);
2556         folder_item_update_freeze();
2557         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2558                 statusbar_verbosity_set(FALSE);
2559                 main_window_cursor_normal(folderview->mainwin);
2560                 STATUSBAR_POP(folderview->mainwin);
2561                 folder_item_update_thaw();
2562                 if (src_node)
2563                         gtk_ctree_remove_node(GTK_CTREE(folderview->ctree), src_node);
2564                 else
2565                         debug_print("can't remove src node: is null\n");
2566
2567                 folderview_create_folder_node_recursive(folderview, new_folder);
2568
2569                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2570
2571                 folderview_sort_folders(folderview,
2572                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2573                                 NULL, new_folder->parent), new_folder->folder);
2574                 folderview_select(folderview, new_folder);
2575         } else {
2576                 statusbar_verbosity_set(FALSE);
2577                 main_window_cursor_normal(folderview->mainwin);
2578                 STATUSBAR_POP(folderview->mainwin);
2579                 folder_item_update_thaw();
2580                 switch (status) {
2581                 case F_MOVE_FAILED_DEST_IS_PARENT:
2582                         alertpanel_error(_("Source and destination are the same."));
2583                         break;
2584                 case F_MOVE_FAILED_DEST_IS_CHILD:
2585                         alertpanel_error(_("Can't move a folder to one of its children."));
2586                         break;
2587                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2588                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2589                         break;
2590                 default:
2591                         alertpanel_error(_("Move failed!"));
2592                         break;
2593                 }
2594         }
2595         inc_unlock();
2596         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2597 }
2598
2599 static gint folderview_clist_compare(GtkCList *clist,
2600                                      gconstpointer ptr1, gconstpointer ptr2)
2601 {
2602         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2603         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2604
2605         if (!item1->name)
2606                 return (item2->name != NULL);
2607         if (!item2->name)
2608                 return -1;
2609
2610         return g_strcasecmp(item1->name, item2->name);
2611 }
2612
2613 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2614 {
2615         const FolderItem *item = a;
2616         const gchar *name = b;
2617
2618         if (!item->path) return -1;
2619         return strcmp2(g_basename(item->path), name);
2620 }
2621
2622 static void folderview_scoring_cb(FolderView *folderview, guint action,
2623                                    GtkWidget *widget)
2624 {
2625         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2626         FolderItem *item;
2627
2628         if (!folderview->selected) return;
2629
2630         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2631         g_return_if_fail(item != NULL);
2632         g_return_if_fail(item->folder != NULL);
2633
2634         prefs_scoring_open(item);
2635 }
2636
2637 static void folderview_processing_cb(FolderView *folderview, guint action,
2638                                      GtkWidget *widget)
2639 {
2640         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2641         FolderItem *item;
2642
2643         if (!folderview->selected) return;
2644
2645         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2646         g_return_if_fail(item != NULL);
2647         g_return_if_fail(item->folder != NULL);
2648
2649         prefs_filtering_open(item, NULL, NULL);
2650 }
2651
2652 void folderview_set_target_folder_color(gint color_op)
2653 {
2654         gint firstone = 1;
2655         GList *list;
2656         FolderView *folderview;
2657
2658         for (list = folderview_list; list != NULL; list = list->next) {
2659                 folderview = (FolderView *)list->data;
2660                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2661                 if (firstone) {
2662                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2663                                 folderview->color_op;
2664                         firstone = 0;
2665                 }
2666         }
2667 }
2668
2669 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2670 {
2671         folderview_init(folderview);
2672         folderview_set_all();
2673 }
2674
2675 static void drag_state_stop(FolderView *folderview)
2676 {
2677         if (folderview->drag_timer)
2678                 gtk_timeout_remove(folderview->drag_timer);
2679         folderview->drag_timer = 0;
2680         folderview->drag_node = NULL;
2681 }
2682
2683 static gint folderview_defer_expand(FolderView *folderview)
2684 {
2685         if (folderview->drag_node) {
2686                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2687                 if (folderview->drag_item->collapsed) {
2688                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2689                         folderview->nodes_to_recollapse = g_slist_append
2690                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2691                 }
2692         }
2693         folderview->drag_item  = NULL;
2694         folderview->drag_timer = 0;
2695         return FALSE;
2696 }
2697
2698 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2699 {
2700         /* the idea is that we call drag_state_start() whenever we want expansion to
2701          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2702          * we need to call drag_state_stop() */
2703         drag_state_stop(folderview);
2704         /* request expansion */
2705         if (0 != (folderview->drag_timer = gtk_timeout_add
2706                         (prefs_common.hover_timeout,
2707                          (GtkFunction)folderview_defer_expand,
2708                          folderview))) {
2709                 folderview->drag_node = node;
2710                 folderview->drag_item = item;
2711         }
2712 }
2713
2714 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2715                                   FolderView       *folderview)
2716 {
2717         GdkDragContext *context;
2718
2719         g_return_if_fail(folderview != NULL);
2720         if (folderview->selected == NULL) return;
2721         if (folderview->nodes_to_recollapse)
2722                 g_slist_free(folderview->nodes_to_recollapse);
2723         folderview->nodes_to_recollapse = NULL;
2724         context = gtk_drag_begin(widget, folderview->target_list,
2725                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2726         gtk_drag_set_icon_default(context);
2727 }
2728
2729 static void folderview_drag_data_get(GtkWidget        *widget,
2730                                      GdkDragContext   *drag_context,
2731                                      GtkSelectionData *selection_data,
2732                                      guint             info,
2733                                      guint             time,
2734                                      FolderView       *folderview)
2735 {
2736         FolderItem *item;
2737         GList *cur;
2738         gchar *source=NULL;
2739
2740         for (cur = GTK_CLIST(folderview->ctree)->selection;
2741              cur != NULL; cur = cur->next) {
2742                 item = gtk_ctree_node_get_row_data
2743                         (GTK_CTREE(folderview->ctree),
2744                          GTK_CTREE_NODE(cur->data));
2745                 if (item) {
2746                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2747                         gtk_selection_data_set(selection_data,
2748                                                selection_data->target, 8,
2749                                                source, strlen(source));
2750                         break;
2751                 } else
2752                         return;
2753         }
2754 }
2755
2756 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2757 {
2758         FolderUpdateData *hookdata;
2759         FolderView *folderview;
2760         GtkWidget *ctree;
2761
2762         hookdata = source;
2763         folderview = (FolderView *) userdata;
2764         g_return_val_if_fail(hookdata != NULL, FALSE);
2765         g_return_val_if_fail(folderview != NULL, FALSE);
2766
2767         ctree = folderview->ctree;
2768         g_return_val_if_fail(ctree != NULL, FALSE);
2769
2770         if (hookdata->update_flags & FOLDER_TREE_CHANGED) {
2771                 folderview_set(folderview);
2772         }
2773
2774         return FALSE;
2775 }
2776
2777 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2778                                           GdkDragContext *context,
2779                                           gint            x,
2780                                           gint            y,
2781                                           guint           time,
2782                                           FolderView     *folderview)
2783 {
2784         gint row, column;
2785         FolderItem *item, *src_item = NULL;
2786         GtkCTreeNode *node = NULL;
2787         gboolean acceptable = FALSE;
2788         gint height = folderview->ctree->allocation.height;
2789         gint total_height = folderview->ctree->requisition.height;
2790         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2791                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2792         gfloat vpos = pos->value;
2793
2794         if (gtk_clist_get_selection_info
2795                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2796                 if (y > height - 24 && height + vpos < total_height)
2797                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2798
2799                 if (y < 24 && y > 0)
2800                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2801
2802                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2803                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2804                 src_item = folderview->summaryview->folder_item;
2805
2806                 if (item && item->folder && item->path &&
2807                     src_item && src_item != item) {
2808                         switch (FOLDER_TYPE(item->folder)) {
2809                         case F_MH:
2810                         case F_MBOX:
2811                         case F_IMAP:
2812                                 acceptable = TRUE;
2813                                 break;
2814                         default:
2815                                 break;
2816                         }
2817                 } else if (item && item->folder && folder_item_get_path(item) &&
2818                            src_item && src_item != item) {
2819                         /* a root folder - acceptable only from folderview */
2820                         if (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP)
2821                                 acceptable = TRUE;
2822                 }
2823
2824         }
2825
2826         if (acceptable || (src_item && src_item == item))
2827                 drag_state_start(folderview, node, item);
2828
2829         if (acceptable) {
2830                 gtk_signal_handler_block_by_func
2831                         (GTK_OBJECT(widget),
2832                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2833                 gtk_ctree_select(GTK_CTREE(widget), node);
2834                 gtk_signal_handler_unblock_by_func
2835                         (GTK_OBJECT(widget),
2836                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2837                 gdk_drag_status(context,
2838                                         (context->actions == GDK_ACTION_COPY ?
2839                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2840         } else {
2841                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2842                 gdk_drag_status(context, 0, time);
2843         }
2844
2845         return acceptable;
2846 }
2847
2848 static void folderview_drag_leave_cb(GtkWidget      *widget,
2849                                      GdkDragContext *context,
2850                                      guint           time,
2851                                      FolderView     *folderview)
2852 {
2853         drag_state_stop(folderview);
2854         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2855 }
2856
2857 static void folderview_drag_received_cb(GtkWidget        *widget,
2858                                         GdkDragContext   *drag_context,
2859                                         gint              x,
2860                                         gint              y,
2861                                         GtkSelectionData *data,
2862                                         guint             info,
2863                                         guint             time,
2864                                         FolderView       *folderview)
2865 {
2866         gint row, column;
2867         FolderItem *item, *src_item;
2868         GtkCTreeNode *node;
2869
2870         drag_state_stop(folderview);
2871         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2872                 /* comes from summaryview */
2873                 if (gtk_clist_get_selection_info
2874                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2875                         return;
2876
2877                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2878                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2879                 src_item = folderview->summaryview->folder_item;
2880
2881                 /* re-check (due to acceptable possibly set for folder moves */
2882                 if (!(item && item->folder && item->path &&
2883                       src_item && src_item != item &&
2884                       (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP))) {
2885                         return;
2886                 }
2887                 if (item && src_item) {
2888                         switch (drag_context->action) {
2889                                 case GDK_ACTION_COPY:
2890                                         summary_copy_selected_to(folderview->summaryview, item);
2891                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2892                                         break;
2893                                 case GDK_ACTION_MOVE:
2894                                 case GDK_ACTION_DEFAULT:
2895                                 default:
2896                         if (FOLDER_TYPE(src_item->folder) != FOLDER_TYPE(item->folder) ||
2897                             (FOLDER_TYPE(item->folder) == F_IMAP &&
2898                              src_item->folder != item->folder))
2899                                 summary_copy_selected_to(folderview->summaryview, item);
2900                         else
2901                                 summary_move_selected_to(folderview->summaryview, item);
2902                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2903                         }
2904                 } else
2905                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2906         } else {
2907                 /* comes from folderview */
2908                 char *source;
2909
2910                 source = data->data + 17;
2911                 if (gtk_clist_get_selection_info
2912                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2913                     || *source == 0) {
2914                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2915                         return;
2916                 }
2917                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2918                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2919                 src_item = folder_find_item_from_identifier(source);
2920
2921                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2922                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2923                         return;
2924                 }
2925
2926                 folderview_move_to(folderview, src_item, item);
2927                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2928         }
2929         folderview->nodes_to_recollapse = NULL;
2930 }
2931
2932 static void folderview_drag_end_cb(GtkWidget        *widget,
2933                                    GdkDragContext   *drag_context,
2934                                    FolderView       *folderview)
2935 {
2936         drag_state_stop(folderview);
2937         g_slist_free(folderview->nodes_to_recollapse);
2938         folderview->nodes_to_recollapse = NULL;
2939 }
2940