src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkwidget.h>
  25 #include <gtk/gtkscrolledwindow.h>
  26 #include <gtk/gtkctree.h>
  27 #include <gtk/gtkcontainer.h>
  28 #include <gtk/gtkclist.h>
  29 #include <gtk/gtkstyle.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkmain.h>
  32 #include <gtk/gtkstatusbar.h>
  33 #include <gtk/gtkmenu.h>
  34 #include <gtk/gtkmenuitem.h>
  35 #include <gtk/gtkitemfactory.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <stdlib.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "grouplistdialog.h"
  48 #include "manage_window.h"
  49 #include "alertpanel.h"
  50 #include "menu.h"
  51 #include "stock_pixmap.h"
  52 #include "procmsg.h"
  53 #include "utils.h"
  54 #include "gtkutils.h"
  55 #include "prefs_common.h"
  56 #include "prefs_account.h"
  57 #include "prefs_filtering.h"
  58 #include "prefs_scoring.h"
  59 #include "prefs_folder_item.h"
  60 #include "account.h"
  61 #include "folder.h"
  62 #include "foldersel.h"
  63 #include "inc.h"
  64 #include "statusbar.h"
  65 #include "hooks.h"
  66
  67 typedef enum
  68 {
  69         COL_FOLDER      = 0,
  70         COL_NEW         = 1,
  71         COL_UNREAD      = 2,
  72         COL_TOTAL       = 3
  73 } FolderColumnPos;
  74
  75 #define N_FOLDER_COLS           4
  76 #define COL_FOLDER_WIDTH        150
  77 #define COL_NUM_WIDTH           32
  78
  79 static GList *folderview_list = NULL;
  80
  81 static GtkStyle *normal_style;
  82 static GtkStyle *normal_color_style;
  83 static GtkStyle *bold_style;
  84 static GtkStyle *bold_color_style;
  85 static GtkStyle *bold_tgtfold_style;
  86
  87 static GdkBitmap *inboxxpm;
  88 static GdkBitmap *inboxxpmmask;
  89 static GdkPixmap *inboxhrmxpm;
  90 static GdkBitmap *inboxhrmxpmmask;
  91 static GdkPixmap *inboxopenxpm;
  92 static GdkBitmap *inboxopenxpmmask;
  93 static GdkPixmap *inboxopenhrmxpm;
  94 static GdkBitmap *inboxopenhrmxpmmask;
  95 static GdkPixmap *outboxxpm;
  96 static GdkBitmap *outboxxpmmask;
  97 static GdkPixmap *outboxhrmxpm;
  98 static GdkBitmap *outboxhrmxpmmask;
  99 static GdkPixmap *outboxopenxpm;
 100 static GdkBitmap *outboxopenxpmmask;
 101 static GdkPixmap *outboxopenhrmxpm;
 102 static GdkBitmap *outboxopenhrmxpmmask;
 103 static GdkPixmap *folderxpm;
 104 static GdkBitmap *folderxpmmask;
 105 static GdkPixmap *folderhrmxpm;
 106 static GdkBitmap *folderhrmxpmmask;
 107 static GdkPixmap *folderopenxpm;
 108 static GdkBitmap *folderopenxpmmask;
 109 static GdkPixmap *folderopenhrmxpm;
 110 static GdkBitmap *folderopenhrmxpmmask;
 111 static GdkPixmap *trashopenxpm;
 112 static GdkBitmap *trashopenxpmmask;
 113 static GdkPixmap *trashopenhrmxpm;
 114 static GdkBitmap *trashopenhrmxpmmask;
 115 static GdkPixmap *trashxpm;
 116 static GdkBitmap *trashxpmmask;
 117 static GdkPixmap *trashhrmxpm;
 118 static GdkBitmap *trashhrmxpmmask;
 119 static GdkPixmap *queuexpm;
 120 static GdkBitmap *queuexpmmask;
 121 static GdkPixmap *queuehrmxpm;
 122 static GdkBitmap *queuehrmxpmmask;
 123 static GdkPixmap *queueopenxpm;
 124 static GdkBitmap *queueopenxpmmask;
 125 static GdkPixmap *queueopenhrmxpm;
 126 static GdkBitmap *queueopenhrmxpmmask;
 127 static GdkPixmap *newxpm;
 128 static GdkBitmap *newxpmmask;
 129 static GdkPixmap *unreadxpm;
 130 static GdkBitmap *unreadxpmmask;
 131 static GdkPixmap *draftsxpm;
 132 static GdkBitmap *draftsxpmmask;
 133 static GdkPixmap *draftsopenxpm;
 134 static GdkBitmap *draftsopenxpmmask;
 135
 136 static void folderview_select_node       (FolderView    *folderview,
 137                                           GtkCTreeNode  *node);
 138 static void folderview_set_folders       (FolderView    *folderview);
 139 static void folderview_sort_folders      (FolderView    *folderview,
 140                                           GtkCTreeNode  *root,
 141                                           Folder        *folder);
 142 static void folderview_append_folder     (FolderView    *folderview,
 143                                           Folder        *folder);
 144 static void folderview_update_node       (FolderView    *folderview,
 145                                           GtkCTreeNode  *node);
 146
 147 static GtkCTreeNode *folderview_find_by_name    (GtkCTree       *ctree,
 148                                                  GtkCTreeNode   *node,
 149                                                  const gchar    *name);
 150
 151 static gint folderview_clist_compare    (GtkCList       *clist,
 152                                          gconstpointer   ptr1,
 153                                          gconstpointer   ptr2);
 154 static gint folderview_compare_name     (gconstpointer   a,
 155                                          gconstpointer   b);
 156
 157 /* callback functions */
 158 static void folderview_button_pressed   (GtkWidget      *ctree,
 159                                          GdkEventButton *event,
 160                                          FolderView     *folderview);
 161 static void folderview_button_released  (GtkWidget      *ctree,
 162                                          GdkEventButton *event,
 163                                          FolderView     *folderview);
 164 static void folderview_key_pressed      (GtkWidget      *widget,
 165                                          GdkEventKey    *event,
 166                                          FolderView     *folderview);
 167 static void folderview_selected         (GtkCTree       *ctree,
 168                                          GtkCTreeNode   *row,
 169                                          gint            column,
 170                                          FolderView     *folderview);
 171 static void folderview_tree_expanded    (GtkCTree       *ctree,
 172                                          GtkCTreeNode   *node,
 173                                          FolderView     *folderview);
 174 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 175                                          GtkCTreeNode   *node,
 176                                          FolderView     *folderview);
 177 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 178                                          FolderView     *folderview);
 179 static void folderview_col_resized      (GtkCList       *clist,
 180                                          gint            column,
 181                                          gint            width,
 182                                          FolderView     *folderview);
 183
 184 static void folderview_update_tree_cb   (FolderView     *folderview,
 185                                          guint           action,
 186                                          GtkWidget      *widget);
 187
 188 static void mark_all_read_cb            (FolderView    *folderview,
 189                                          guint           action,
 190                                          GtkWidget      *widget);
 191 static void folderview_new_folder_cb    (FolderView     *folderview,
 192                                          guint           action,
 193                                          GtkWidget      *widget);
 194 #if 0
 195 static void folderview_new_mbox_folder_cb(FolderView *folderview,
 196                                           guint action,
 197                                           GtkWidget *widget);
 198 #endif
 199 static void folderview_rename_folder_cb (FolderView     *folderview,
 200                                          guint           action,
 201                                          GtkWidget      *widget);
 202 #if 0
 203 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
 204                                              guint action,
 205                                              GtkWidget *widget);
 206 #endif
 207 static void folderview_delete_folder_cb (FolderView     *folderview,
 208                                          guint           action,
 209                                          GtkWidget      *widget);
 210 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 211                                          guint           action,
 212                                          GtkWidget      *widget);
 213
 214 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 215                                           guint          action,
 216                                           GtkWidget     *widget);
 217 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 218                                           guint          action,
 219                                           GtkWidget     *widget);
 220
 221 static void folderview_new_news_group_cb(FolderView     *folderview,
 222                                          guint           action,
 223                                          GtkWidget      *widget);
 224 static void folderview_rm_news_group_cb (FolderView     *folderview,
 225                                          guint           action,
 226                                          GtkWidget      *widget);
 227 static void folderview_rm_news_server_cb(FolderView     *folderview,
 228                                          guint           action,
 229                                          GtkWidget      *widget);
 230
 231 static void folderview_search_cb        (FolderView     *folderview,
 232                                          guint           action,
 233                                          GtkWidget      *widget);
 234
 235 static void folderview_property_cb      (FolderView     *folderview,
 236                                          guint           action,
 237                                          GtkWidget      *widget);
 238
 239 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 240                                           GdkDragContext *context,
 241                                           gint            x,
 242                                           gint            y,
 243                                           guint           time,
 244                                           FolderView     *folderview);
 245 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 246                                           GdkDragContext   *context,
 247                                           guint             time,
 248                                           FolderView       *folderview);
 249 static void folderview_drag_received_cb  (GtkWidget        *widget,
 250                                           GdkDragContext   *drag_context,
 251                                           gint              x,
 252                                           gint              y,
 253                                           GtkSelectionData *data,
 254                                           guint             info,
 255                                           guint             time,
 256                                           FolderView       *folderview);
 257 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 258                                           FolderView       *folderview);
 259 static void folderview_drag_data_get     (GtkWidget        *widget,
 260                                           GdkDragContext   *drag_context,
 261                                           GtkSelectionData *selection_data,
 262                                           guint             info,
 263                                           guint             time,
 264                                           FolderView       *folderview);
 265 static void folderview_drag_end_cb       (GtkWidget        *widget,
 266                                           GdkDragContext   *drag_context,
 267                                           FolderView       *folderview);
 268
 269 void folderview_create_folder_node       (FolderView       *folderview,
 270                                           FolderItem       *item);
 271 gboolean folderview_update_folder        (gpointer          source,
 272                                           gpointer          userdata);
 273 gboolean folderview_update_item          (gpointer          source,
 274                                           gpointer          data);
 275
 276 static void folderview_scoring_cb(FolderView *folderview, guint action,
 277                                   GtkWidget *widget);
 278 static void folderview_processing_cb(FolderView *folderview, guint action,
 279                                      GtkWidget *widget);
 280 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
 281                                FolderItem *to_folder);
 282 static void folderview_move_to_cb(FolderView *folderview);
 283
 284 #if 0
 285 static GtkItemFactoryEntry folderview_mbox_popup_entries[] =
 286 {
 287         {N_("/Create _new folder..."),  NULL, folderview_new_mbox_folder_cb,    0, NULL},
 288         {N_("/_Rename folder..."),      NULL, folderview_rename_mbox_folder_cb, 0, NULL},
 289         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 290         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 291         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 292         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 293         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 294         {N_("/_Properties..."),         NULL, NULL, 0, NULL},
 295         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 296         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 297 };
 298 #endif
 299
 300 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 301 {
 302         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 303         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 304         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 305         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 306         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 307         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 308         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 309         {N_("/_Check for new messages"),
 310                                         NULL, folderview_update_tree_cb, 0, NULL},
 311         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 312         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 313         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 314         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 315         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 316         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 317         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 318         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 319 };
 320
 321 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 322 {
 323         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 324         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 325         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 326         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb,   0, NULL},
 327         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 328         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb,   0, NULL},
 329         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 330         {N_("/_Check for new messages"),
 331                                         NULL, folderview_update_tree_cb, 0, NULL},
 332         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 333         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 334         {N_("/Remove _IMAP4 account"),  NULL, folderview_rm_imap_server_cb, 0, NULL},
 335         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 336         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 337         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 338         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 339         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 340 };
 341
 342 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 343 {
 344         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 345         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 346         {N_("/_Subscribe to newsgroup..."),
 347                                         NULL, folderview_new_news_group_cb, 0, NULL},
 348         {N_("/_Remove newsgroup"),      NULL, folderview_rm_news_group_cb, 0, NULL},
 349         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 350         {N_("/_Check for new messages"),
 351                                         NULL, folderview_update_tree_cb, 0, NULL},
 352         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 353         {N_("/Remove _news account"),   NULL, folderview_rm_news_server_cb, 0, NULL},
 354         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 355         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 356         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 357         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 358         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 359 };
 360
 361 GtkTargetEntry folderview_drag_types[] =
 362 {
 363         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 364 };
 365
 366 FolderView *folderview_create(void)
 367 {
 368         FolderView *folderview;
 369         GtkWidget *scrolledwin;
 370         GtkWidget *ctree;
 371         gchar *titles[N_FOLDER_COLS];
 372         GtkWidget *mail_popup;
 373         GtkWidget *news_popup;
 374         GtkWidget *imap_popup;
 375 #if 0
 376         GtkWidget *mbox_popup;
 377 #endif
 378         GtkItemFactory *mail_factory;
 379         GtkItemFactory *news_factory;
 380         GtkItemFactory *imap_factory;
 381 #if 0
 382         GtkItemFactory *mbox_factory;
 383 #endif
 384         gint n_entries;
 385         gint i;
 386
 387         debug_print("Creating folder view...\n");
 388         folderview = g_new0(FolderView, 1);
 389
 390         titles[COL_FOLDER] = _("Folder");
 391         titles[COL_NEW]    = _("New");
 392         titles[COL_UNREAD] = _("Unread");
 393         titles[COL_TOTAL]  = _("#");
 394
 395         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 396         gtk_scrolled_window_set_policy
 397                 (GTK_SCROLLED_WINDOW(scrolledwin),
 398                  GTK_POLICY_AUTOMATIC,
 399                  prefs_common.folderview_vscrollbar_policy);
 400         gtk_widget_set_usize(scrolledwin,
 401                              prefs_common.folderview_width,
 402                              prefs_common.folderview_height);
 403
 404         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 405
 406         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 407         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 408 #ifndef CLAWS /* text instead of pixmaps */
 409         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 410                                            GTK_JUSTIFY_RIGHT);
 411         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 412                                            GTK_JUSTIFY_RIGHT);
 413 #endif
 414         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 415                                            GTK_JUSTIFY_RIGHT);
 416         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 417                                    prefs_common.folder_col_folder);
 418         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 419                                    prefs_common.folder_col_new);
 420         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 421                                    prefs_common.folder_col_unread);
 422         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 423                                    prefs_common.folder_col_total);
 424         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 425         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 426                                      GTK_CTREE_EXPANDER_SQUARE);
 427         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 428         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 429
 430         /* don't let title buttons take key focus */
 431         for (i = 0; i < N_FOLDER_COLS; i++)
 432                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 433                                        GTK_CAN_FOCUS);
 434
 435         /* popup menu */
 436         n_entries = sizeof(folderview_mail_popup_entries) /
 437                 sizeof(folderview_mail_popup_entries[0]);
 438         mail_popup = menu_create_items(folderview_mail_popup_entries,
 439                                        n_entries,
 440                                        "<MailFolder>", &mail_factory,
 441                                        folderview);
 442         n_entries = sizeof(folderview_imap_popup_entries) /
 443                 sizeof(folderview_imap_popup_entries[0]);
 444         imap_popup = menu_create_items(folderview_imap_popup_entries,
 445                                        n_entries,
 446                                        "<IMAPFolder>", &imap_factory,
 447                                        folderview);
 448         n_entries = sizeof(folderview_news_popup_entries) /
 449                 sizeof(folderview_news_popup_entries[0]);
 450         news_popup = menu_create_items(folderview_news_popup_entries,
 451                                        n_entries,
 452                                        "<NewsFolder>", &news_factory,
 453                                        folderview);
 454 #if 0
 455         n_entries = sizeof(folderview_mbox_popup_entries) /
 456                 sizeof(folderview_mbox_popup_entries[0]);
 457         mbox_popup = menu_create_items(folderview_mbox_popup_entries,
 458                                        n_entries,
 459                                        "<MboxFolder>", &mbox_factory,
 460                                        folderview);
 461 #endif
 462
 463         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 464                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 465                            folderview);
 466         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 467                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 468                            folderview);
 469         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 470                            GTK_SIGNAL_FUNC(folderview_button_released),
 471                            folderview);
 472         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 473                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 474         gtk_signal_connect(GTK_OBJECT(ctree), "start_drag",
 475                            GTK_SIGNAL_FUNC(folderview_start_drag), folderview);
 476         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 477                            GTK_SIGNAL_FUNC(folderview_drag_data_get),
 478                            folderview);
 479
 480         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 481                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 482                                  folderview);
 483         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 484                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 485                                  folderview);
 486
 487         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 488                            GTK_SIGNAL_FUNC(folderview_col_resized),
 489                            folderview);
 490
 491         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 492                            GTK_SIGNAL_FUNC(folderview_popup_close),
 493                            folderview);
 494         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 495                            GTK_SIGNAL_FUNC(folderview_popup_close),
 496                            folderview);
 497         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 498                            GTK_SIGNAL_FUNC(folderview_popup_close),
 499                            folderview);
 500 #if 0
 501         gtk_signal_connect(GTK_OBJECT(mbox_popup), "selection_done",
 502                            GTK_SIGNAL_FUNC(folderview_popup_close),
 503                            folderview);
 504 #endif
 505
 506         /* drop callback */
 507         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 508                           summary_drag_types, 1,
 509                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 510         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 511                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 512                            folderview);
 513         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 514                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 515                            folderview);
 516         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 517                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 518                            folderview);
 519         gtk_signal_connect(GTK_OBJECT(ctree), "drag_end",
 520                            GTK_SIGNAL_FUNC(folderview_drag_end_cb),
 521                            folderview);
 522
 523         folderview->scrolledwin  = scrolledwin;
 524         folderview->ctree        = ctree;
 525         folderview->mail_popup   = mail_popup;
 526         folderview->mail_factory = mail_factory;
 527         folderview->imap_popup   = imap_popup;
 528         folderview->imap_factory = imap_factory;
 529         folderview->news_popup   = news_popup;
 530         folderview->news_factory = news_factory;
 531 #if 0
 532         folderview->mbox_popup   = mbox_popup;
 533         folderview->mbox_factory = mbox_factory;
 534 #endif
 535
 536         folderview->folder_update_callback_id =
 537                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 538         folderview->folder_item_update_callback_id =
 539                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item, (gpointer) folderview);
 540
 541         gtk_widget_show_all(scrolledwin);
 542
 543         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 544         folderview_list = g_list_append(folderview_list, folderview);
 545
 546         return folderview;
 547 }
 548
 549 void folderview_init(FolderView *folderview)
 550 {
 551         static GdkFont *boldfont = NULL;
 552         static GdkFont *normalfont = NULL;
 553         GtkWidget *ctree = folderview->ctree;
 554         GtkWidget *label_new;
 555         GtkWidget *label_unread;
 556         GtkWidget *hbox_new;
 557         GtkWidget *hbox_unread;
 558
 559         gtk_widget_realize(ctree);
 560         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 561         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 562         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 563         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 564         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 565         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 566         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 567         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 568         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 569         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 570         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 571         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 572         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 573         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 574         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 575         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 576         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 577         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 578         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 579         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 580         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 581         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 582
 583         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 584          * instead text (text overflows making them unreadable and ugly) */
 585         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 586                          &newxpm, &newxpmmask);
 587         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 588                          &unreadxpm, &unreadxpmmask);
 589
 590         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 591         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 592
 593         hbox_new = gtk_hbox_new(FALSE, 4);
 594         hbox_unread = gtk_hbox_new(FALSE, 4);
 595
 596         /* left justified */
 597         gtk_box_pack_start(GTK_BOX(hbox_new),label_new,FALSE,FALSE,0);
 598         gtk_box_pack_start(GTK_BOX(hbox_unread),label_unread,FALSE,FALSE,0);
 599
 600         gtk_widget_show_all(hbox_new);
 601         gtk_widget_show_all(hbox_unread);
 602
 603         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 604         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 605
 606         if (!normal_style) {
 607                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 608                 if (!normalfont)
 609                         normalfont = gtkut_font_load(prefs_common.normalfont);
 610                 if (normalfont)
 611                         normal_style->font = normalfont;
 612                 normal_color_style = gtk_style_copy(normal_style);
 613                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 614         }
 615
 616         if (!bold_style) {
 617                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 618                 if (!boldfont)
 619                         boldfont = gtkut_font_load(prefs_common.boldfont);
 620                 if (boldfont)
 621                         bold_style->font = boldfont;
 622                 bold_color_style = gtk_style_copy(bold_style);
 623                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 624
 625                 bold_tgtfold_style = gtk_style_copy(bold_style);
 626                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 627         }
 628 }
 629
 630 void folderview_set(FolderView *folderview)
 631 {
 632         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 633         MainWindow *mainwin = folderview->mainwin;
 634
 635         debug_print("Setting folder info...\n");
 636         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 637
 638         main_window_cursor_wait(mainwin);
 639
 640         folderview->selected = NULL;
 641         folderview->opened = NULL;
 642
 643         gtk_clist_freeze(GTK_CLIST(ctree));
 644         gtk_clist_clear(GTK_CLIST(ctree));
 645         gtk_clist_thaw(GTK_CLIST(ctree));
 646         gtk_clist_freeze(GTK_CLIST(ctree));
 647
 648         folderview_set_folders(folderview);
 649
 650         gtk_clist_thaw(GTK_CLIST(ctree));
 651         main_window_cursor_normal(mainwin);
 652         STATUSBAR_POP(mainwin);
 653 }
 654
 655 void folderview_set_all(void)
 656 {
 657         GList *list;
 658
 659         for (list = folderview_list; list != NULL; list = list->next)
 660                 folderview_set((FolderView *)list->data);
 661 }
 662
 663 void folderview_select(FolderView *folderview, FolderItem *item)
 664 {
 665         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 666         GtkCTreeNode *node;
 667         GtkCTreeNode *old_selected = folderview->selected;
 668
 669         if (!item) return;
 670
 671         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 672         if (node) folderview_select_node(folderview, node);
 673
 674         if (old_selected != node)
 675                 folder_update_op_count();
 676 }
 677
 678 static void mark_all_read_cb(FolderView *folderview, guint action,
 679                              GtkWidget *widget)
 680 {
 681         if (folderview->selected)
 682                 summary_mark_all_read(folderview->summaryview);
 683 }
 684
 685 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 686 {
 687         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 688
 689         g_return_if_fail(node != NULL);
 690
 691         folderview->open_folder = TRUE;
 692         gtkut_ctree_set_focus_row(ctree, node);
 693         gtk_ctree_select(ctree, node);
 694         if (folderview->summaryview->folder_item &&
 695             folderview->summaryview->folder_item->total_msgs > 0)
 696                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 697         else
 698                 gtk_widget_grab_focus(folderview->ctree);
 699
 700         gtkut_ctree_expand_parent_all(ctree, node);
 701 }
 702
 703 void folderview_unselect(FolderView *folderview)
 704 {
 705         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 706                 gtk_ctree_collapse
 707                         (GTK_CTREE(folderview->ctree), folderview->opened);
 708
 709         folderview->selected = folderview->opened = NULL;
 710 }
 711
 712 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 713                                                  GtkCTreeNode *node)
 714 {
 715         FolderItem *item;
 716
 717         if (node)
 718                 node = gtkut_ctree_node_next(ctree, node);
 719         else
 720                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 721
 722         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 723                 item = gtk_ctree_node_get_row_data(ctree, node);
 724                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 725                         return node;
 726         }
 727
 728         return NULL;
 729 }
 730
 731 void folderview_select_next_unread(FolderView *folderview)
 732 {
 733         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 734         GtkCTreeNode *node = NULL;
 735
 736         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 737             != NULL) {
 738                 folderview_select_node(folderview, node);
 739                 return;
 740         }
 741
 742         if (!folderview->opened ||
 743             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 744                 return;
 745         /* search again from the first node */
 746         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 747                 folderview_select_node(folderview, node);
 748 }
 749
 750 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 751 {
 752         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 753         static GtkCTreeNode *prev_row = NULL;
 754         FolderItem *item;
 755         gint new, unread, total;
 756         gchar *new_str, *unread_str, *total_str;
 757
 758         if (!row) return;
 759
 760         item = gtk_ctree_node_get_row_data(ctree, row);
 761         if (!item) return;
 762
 763         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 764         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 765         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 766         new = atoi(new_str);
 767         unread = atoi(unread_str);
 768         total = atoi(total_str);
 769
 770         prev_row = row;
 771
 772         folderview_update_node(folderview, row);
 773 }
 774
 775 static void folderview_set_folders(FolderView *folderview)
 776 {
 777         GList *list;
 778
 779         list = folder_get_list();
 780
 781         for (; list != NULL; list = list->next)
 782                 folderview_append_folder(folderview, FOLDER(list->data));
 783 }
 784
 785 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 786                                       gpointer data)
 787 {
 788         GList *list;
 789
 790         for (list = folderview_list; list != NULL; list = list->next) {
 791                 FolderView *folderview = (FolderView *)list->data;
 792                 MainWindow *mainwin = folderview->mainwin;
 793                 gchar *str;
 794
 795                 if (item->path)
 796                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 797                                               item->folder->name, G_DIR_SEPARATOR,
 798                                               item->path);
 799                 else
 800                         str = g_strdup_printf(_("Scanning folder %s ..."),
 801                                               item->folder->name);
 802
 803                 STATUSBAR_PUSH(mainwin, str);
 804                 STATUSBAR_POP(mainwin);
 805                 g_free(str);
 806         }
 807 }
 808
 809 static GtkWidget *label_window_create(const gchar *str)
 810 {
 811         GtkWidget *window;
 812         GtkWidget *label;
 813
 814         window = gtk_window_new(GTK_WINDOW_DIALOG);
 815         gtk_widget_set_usize(window, 380, 60);
 816         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 817         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 818         gtk_window_set_title(GTK_WINDOW(window), str);
 819         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 820         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 821         manage_window_set_transient(GTK_WINDOW(window));
 822
 823         label = gtk_label_new(str);
 824         gtk_container_add(GTK_CONTAINER(window), label);
 825         gtk_widget_show(label);
 826
 827         gtk_widget_show_now(window);
 828
 829         return window;
 830 }
 831
 832 void folderview_rescan_tree(Folder *folder)
 833 {
 834         GtkWidget *window;
 835
 836         g_return_if_fail(folder != NULL);
 837
 838         if (!folder->klass->scan_tree) return;
 839
 840         inc_lock();
 841         window = label_window_create(_("Rebuilding folder tree..."));
 842
 843         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 844         folder_scan_tree(folder);
 845         folder_set_ui_func(folder, NULL, NULL);
 846
 847         folderview_set_all();
 848
 849         gtk_widget_destroy(window);
 850         inc_unlock();
 851 }
 852
 853 /** folderview_check_new()
 854  *  Scan and update the folder and return the
 855  *  count the number of new messages since last check.
 856  *  \param folder the folder to check for new messages
 857  *  \return the number of new messages since last check
 858  */
 859 gint folderview_check_new(Folder *folder)
 860 {
 861         GList *list;
 862         FolderItem *item;
 863         FolderView *folderview;
 864         GtkCTree *ctree;
 865         GtkCTreeNode *node;
 866         gint new_msgs = 0;
 867         gint former_new_msgs = 0;
 868         gint former_new = 0;
 869
 870         for (list = folderview_list; list != NULL; list = list->next) {
 871                 folderview = (FolderView *)list->data;
 872                 ctree = GTK_CTREE(folderview->ctree);
 873
 874                 inc_lock();
 875                 main_window_lock(folderview->mainwin);
 876                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 877
 878                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 879                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 880                         item = gtk_ctree_node_get_row_data(ctree, node);
 881                         if (!item || !item->path || !item->folder) continue;
 882                         if (item->no_select) continue;
 883                         if (folder && folder != item->folder) continue;
 884                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 885
 886                         folderview_scan_tree_func(item->folder, item, NULL);
 887                         former_new = item->new_msgs;
 888                         if (folder_item_scan(item) < 0) {
 889                                 if (folder && !FOLDER_IS_LOCAL(folder))
 890                                         break;
 891                         }
 892                         folderview_update_node(folderview, node);
 893                         new_msgs += item->new_msgs;
 894                         former_new_msgs += former_new;
 895                 }
 896
 897                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 898                 main_window_unlock(folderview->mainwin);
 899                 inc_unlock();
 900         }
 901
 902         folder_write_list();
 903         /* Number of new messages since last check is the just the difference
 904          * between former_new_msgs and new_msgs. If new_msgs is less than
 905          * former_new_msgs, that would mean another session accessed the folder
 906          * and the result is not well defined.
 907          */
 908         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 909         return new_msgs;
 910 }
 911
 912 void folderview_check_new_all(void)
 913 {
 914         GList *list;
 915         GtkWidget *window;
 916         FolderView *folderview;
 917
 918         folderview = (FolderView *)folderview_list->data;
 919
 920         inc_lock();
 921         main_window_lock(folderview->mainwin);
 922         window = label_window_create
 923                 (_("Checking for new messages in all folders..."));
 924
 925         list = folder_get_list();
 926         for (; list != NULL; list = list->next) {
 927                 Folder *folder = list->data;
 928
 929                 folderview_check_new(folder);
 930         }
 931
 932         folder_write_list();
 933         folderview_set_all();
 934
 935         gtk_widget_destroy(window);
 936         main_window_unlock(folderview->mainwin);
 937         inc_unlock();
 938 }
 939
 940 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 941                                                 GtkCTreeNode *node)
 942 {
 943         FolderItem *item;
 944
 945         if (node) {
 946                 item = gtk_ctree_node_get_row_data(ctree, node);
 947                 if (item) {
 948                         if (item->new_msgs > 0 ||
 949                             (item->stype == F_QUEUE && item->total_msgs > 0))
 950                                 return TRUE;
 951                 }
 952                 node = GTK_CTREE_ROW(node)->children;
 953         } else
 954                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 955
 956         while (node) {
 957                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 958                         return TRUE;
 959                 node = GTK_CTREE_ROW(node)->sibling;
 960         }
 961
 962         return FALSE;
 963 }
 964
 965 static gboolean folderview_have_new_children(FolderView *folderview,
 966                                              GtkCTreeNode *node)
 967 {
 968         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 969
 970         if (!node)
 971                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 972         if (!node)
 973                 return FALSE;
 974
 975         node = GTK_CTREE_ROW(node)->children;
 976
 977         while (node) {
 978                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 979                         return TRUE;
 980                 node = GTK_CTREE_ROW(node)->sibling;
 981         }
 982
 983         return FALSE;
 984 }
 985
 986 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 987                                                    GtkCTreeNode *node)
 988 {
 989         FolderItem *item;
 990
 991         if (node) {
 992                 item = gtk_ctree_node_get_row_data(ctree, node);
 993                 if (item) {
 994                         if (item->unread_msgs > 0 ||
 995                             (item->stype == F_QUEUE && item->total_msgs > 0))
 996                                 return TRUE;
 997                 }
 998                 node = GTK_CTREE_ROW(node)->children;
 999         } else
1000                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1001
1002         while (node) {
1003                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1004                         return TRUE;
1005                 node = GTK_CTREE_ROW(node)->sibling;
1006         }
1007
1008         return FALSE;
1009 }
1010
1011 static gboolean folderview_have_unread_children(FolderView *folderview,
1012                                                 GtkCTreeNode *node)
1013 {
1014         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1015
1016         if (!node)
1017                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1018         if (!node)
1019                 return FALSE;
1020
1021         node = GTK_CTREE_ROW(node)->children;
1022
1023         while (node) {
1024                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1025                         return TRUE;
1026                 node = GTK_CTREE_ROW(node)->sibling;
1027         }
1028
1029         return FALSE;
1030 }
1031
1032 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1033 {
1034         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1035         GtkStyle *style = NULL;
1036         GtkStyle *color_style = NULL;
1037         FolderItem *item;
1038         GdkPixmap *xpm, *openxpm;
1039         GdkBitmap *mask, *openmask;
1040         gchar *name;
1041         gchar *str;
1042         gboolean add_unread_mark;
1043         gboolean use_bold, use_color;
1044
1045         item = gtk_ctree_node_get_row_data(ctree, node);
1046         g_return_if_fail(item != NULL);
1047
1048         switch (item->stype) {
1049         case F_INBOX:
1050                 if (item->hide_read_msgs) {
1051                         xpm = inboxhrmxpm;
1052                         mask = inboxhrmxpmmask;
1053                         openxpm = inboxopenhrmxpm;
1054                         openmask = inboxopenhrmxpmmask;
1055                 } else {
1056                         xpm = inboxxpm;
1057                         mask = inboxxpmmask;
1058                         openxpm = inboxopenxpm;
1059                         openmask = inboxopenxpmmask;
1060                 }
1061                 break;
1062         case F_OUTBOX:
1063                 if (item->hide_read_msgs) {
1064                         xpm = outboxhrmxpm;
1065                         mask = outboxhrmxpmmask;
1066                         openxpm = outboxopenhrmxpm;
1067                         openmask = outboxopenhrmxpmmask;
1068                 } else {
1069                         xpm = outboxxpm;
1070                         mask = outboxxpmmask;
1071                         openxpm = outboxopenxpm;
1072                         openmask = outboxopenxpmmask;
1073                 }
1074                 break;
1075         case F_QUEUE:
1076                 if (item->hide_read_msgs) {
1077                         xpm = queuehrmxpm;
1078                         mask = queuehrmxpmmask;
1079                         openxpm = queueopenhrmxpm;
1080                         openmask = queueopenhrmxpmmask;
1081                 } else {
1082                         xpm = queuexpm;
1083                         mask = queuexpmmask;
1084                         openxpm = queueopenxpm;
1085                         openmask = queueopenxpmmask;
1086                 }
1087                 break;
1088         case F_TRASH:
1089                 if (item->hide_read_msgs) {
1090                         xpm = trashhrmxpm;
1091                         mask = trashhrmxpmmask;
1092                         openxpm = trashopenhrmxpm;
1093                         openmask = trashopenhrmxpmmask;
1094                 } else {
1095                         xpm = trashxpm;
1096                         mask = trashxpmmask;
1097                         openxpm = trashopenxpm;
1098                         openmask = trashopenxpmmask;
1099                 }
1100                 break;
1101         case F_DRAFT:
1102                 xpm = draftsxpm;
1103                 mask = draftsxpmmask;
1104                 openxpm = draftsopenxpm;
1105                 openmask = draftsopenxpmmask;
1106                 break;
1107         default:
1108                 if (item->hide_read_msgs) {
1109                         xpm = folderhrmxpm;
1110                         mask = folderhrmxpmmask;
1111                         openxpm = folderopenhrmxpm;
1112                         openmask = folderopenhrmxpmmask;
1113                 } else {
1114                         xpm = folderxpm;
1115                         mask = folderxpmmask;
1116                         openxpm = folderopenxpm;
1117                         openmask = folderopenxpmmask;
1118                 }
1119         }
1120         name = folder_item_get_name(item);
1121
1122         if (!GTK_CTREE_ROW(node)->expanded &&
1123             folderview_have_unread_children(folderview, node))
1124                 add_unread_mark = TRUE;
1125         else
1126                 add_unread_mark = FALSE;
1127
1128         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1129             prefs_common.display_folder_unread) {
1130                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1131                                       add_unread_mark ? "+" : "");
1132                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1133                                         xpm, mask, openxpm, openmask,
1134                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1135                 g_free(str);
1136         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1137                  prefs_common.display_folder_unread) {
1138
1139                 if (item->unread_msgs > 0)
1140                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1141                                               add_unread_mark ? "+" : "",
1142                                               item->unreadmarked_msgs > 0 ? "!":"");
1143                 else
1144                         str = g_strdup_printf("%s (+)", name);
1145                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1146                                         xpm, mask, openxpm, openmask,
1147                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1148                 g_free(str);
1149         } else {
1150                 str = g_strdup_printf("%s%s", name,
1151                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1152
1153                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1154                                         xpm, mask, openxpm, openmask,
1155                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1156                 g_free(str);
1157         }
1158         g_free(name);
1159
1160         if (!item->parent) {
1161                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1162                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1163                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1164         } else {
1165                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1166                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1167                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1168         }
1169
1170         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1171             item->stype == F_TRASH) {
1172                 use_bold = use_color = FALSE;
1173         } else if (item->stype == F_QUEUE) {
1174                 /* highlight queue folder if there are any messages */
1175                 use_bold = use_color = (item->total_msgs > 0);
1176         } else {
1177                 /* if unread messages exist, print with bold font */
1178                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1179                 /* if new messages exist, print with colored letter */
1180                 use_color =
1181                         (item->new_msgs > 0) ||
1182                         (add_unread_mark &&
1183                          folderview_have_new_children(folderview, node));
1184         }
1185
1186         gtk_ctree_node_set_foreground(ctree, node, NULL);
1187
1188         if (use_bold) {
1189                 if (item->prefs->color > 0 && !use_color) {
1190                         GdkColor gdk_color;
1191
1192                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1193                         color_style = gtk_style_copy(bold_style);
1194                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1195                         style = color_style;
1196                 } else if (use_color)
1197                         style = bold_color_style;
1198                 else
1199                         style = bold_style;
1200                 if (item->op_count > 0) {
1201                         style = bold_tgtfold_style;
1202                 }
1203         } else if (use_color) {
1204                 style = normal_color_style;
1205                 gtk_ctree_node_set_foreground(ctree, node,
1206                                               &folderview->color_new);
1207         } else if (item->op_count > 0) {
1208                 style = bold_tgtfold_style;
1209         } else if (item->prefs->color > 0) {
1210                 GdkColor gdk_color;
1211
1212                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1213                 color_style = gtk_style_copy(normal_style);
1214                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1215                 style = color_style;
1216         } else {
1217                 style = normal_style;
1218         }
1219
1220         gtk_ctree_node_set_row_style(ctree, node, style);
1221
1222         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1223                 folderview_update_node(folderview, node);
1224 }
1225
1226 gboolean folderview_update_item(gpointer source, gpointer data)
1227 {
1228         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1229         FolderView *folderview = (FolderView *)data;
1230         GtkCTree *ctree;
1231         GtkCTreeNode *node;
1232
1233         g_return_val_if_fail(update_info != NULL, TRUE);
1234         g_return_val_if_fail(update_info->item != NULL, TRUE);
1235         g_return_val_if_fail(folderview != NULL, FALSE);
1236
1237         ctree = GTK_CTREE(folderview->ctree);
1238
1239         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1240         if (node) {
1241                 if (update_info->update_flags & F_ITEM_UPDATE_MSGCNT)
1242                         folderview_update_node(folderview, node);
1243                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1244                         summary_show(folderview->summaryview, update_info->item);
1245         }
1246
1247         return FALSE;
1248 }
1249
1250 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1251                                       GNode *gnode, GtkCTreeNode *cnode,
1252                                       gpointer data)
1253 {
1254         FolderView *folderview = (FolderView *)data;
1255         FolderItem *item = FOLDER_ITEM(gnode->data);
1256
1257         g_return_val_if_fail(item != NULL, FALSE);
1258
1259         gtk_ctree_node_set_row_data(ctree, cnode, item);
1260         folderview_update_node(folderview, cnode);
1261
1262         return TRUE;
1263 }
1264
1265 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1266                                    gpointer data)
1267 {
1268         FolderView *folderview = (FolderView *)data;
1269         FolderItem *item;
1270
1271         if (GTK_CTREE_ROW(node)->children) {
1272                 item = gtk_ctree_node_get_row_data(ctree, node);
1273                 g_return_if_fail(item != NULL);
1274
1275                 if (!item->collapsed)
1276                         gtk_ctree_expand(ctree, node);
1277                 else
1278                         folderview_update_node(folderview, node);
1279         }
1280 }
1281
1282 #define SET_SPECIAL_FOLDER(ctree, item) \
1283 { \
1284         if (item) { \
1285                 GtkCTreeNode *node, *parent, *sibling; \
1286  \
1287                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
1288                 if (!node) \
1289                         g_warning("%s not found.\n", item->path); \
1290                 else { \
1291                         parent = GTK_CTREE_ROW(node)->parent; \
1292                         if (prev && parent == GTK_CTREE_ROW(prev)->parent) \
1293                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
1294                         else \
1295                                 sibling = GTK_CTREE_ROW(parent)->children; \
1296                         while (sibling) { \
1297                                 FolderItem *tmp; \
1298  \
1299                                 tmp = gtk_ctree_node_get_row_data \
1300                                         (ctree, sibling); \
1301                                 if (tmp->stype != F_NORMAL) \
1302                                         sibling = GTK_CTREE_ROW(sibling)->sibling; \
1303                                 else \
1304                                         break; \
1305                         } \
1306                         if (node != sibling) \
1307                                 gtk_ctree_move(ctree, node, parent, sibling); \
1308                 } \
1309  \
1310                 prev = node; \
1311         } \
1312 }
1313
1314 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1315                                     Folder *folder)
1316 {
1317         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1318         GtkCTreeNode *prev = NULL;
1319
1320         gtk_sctree_sort_recursive(ctree, root);
1321
1322         if (root && GTK_CTREE_ROW(root)->parent) return;
1323
1324         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1325         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1326         SET_SPECIAL_FOLDER(ctree, folder->draft);
1327         SET_SPECIAL_FOLDER(ctree, folder->queue);
1328         SET_SPECIAL_FOLDER(ctree, folder->trash);
1329 }
1330
1331 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1332 {
1333         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1334         GtkCTreeNode *root;
1335
1336         g_return_if_fail(folder != NULL);
1337
1338         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1339                                       folderview_gnode_func, folderview);
1340         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1341                                 folderview);
1342         folderview_sort_folders(folderview, root, folder);
1343 }
1344
1345 void folderview_new_folder(FolderView *folderview)
1346 {
1347         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1348         FolderItem *item;
1349
1350         if (!folderview->selected) return;
1351
1352         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1353         g_return_if_fail(item != NULL);
1354         g_return_if_fail(item->folder != NULL);
1355
1356         switch (FOLDER_TYPE(item->folder)) {
1357 #if 0
1358         case F_MBOX:
1359                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1360                 break;
1361 #endif
1362         case F_MH:
1363         case F_MAILDIR:
1364                 folderview_new_folder_cb(folderview, 0, NULL);
1365                 break;
1366         case F_IMAP:
1367                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1368                 break;
1369         case F_NEWS:
1370         default:
1371                 break;
1372         }
1373 }
1374
1375 void folderview_rename_folder(FolderView *folderview)
1376 {
1377         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1378         FolderItem *item;
1379
1380         if (!folderview->selected) return;
1381
1382         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1383         g_return_if_fail(item != NULL);
1384         g_return_if_fail(item->folder != NULL);
1385         if (!item->path) return;
1386         if (item->stype != F_NORMAL) return;
1387
1388         switch (FOLDER_TYPE(item->folder)) {
1389 #if 0
1390         case F_MBOX:
1391                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1392                 break;
1393 #endif
1394         case F_MH:
1395         case F_MAILDIR:
1396         case F_IMAP:
1397                 folderview_rename_folder_cb(folderview, 0, NULL);
1398                 break;
1399         case F_NEWS:
1400         default:
1401                 break;
1402         }
1403 }
1404
1405 void folderview_delete_folder(FolderView *folderview)
1406 {
1407         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1408         FolderItem *item;
1409
1410         if (!folderview->selected) return;
1411
1412         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1413         g_return_if_fail(item != NULL);
1414         g_return_if_fail(item->folder != NULL);
1415         if (!item->path) return;
1416         if (item->stype != F_NORMAL) return;
1417
1418         switch (FOLDER_TYPE(item->folder)) {
1419         case F_MH:
1420 #if 0
1421         case F_MBOX:
1422 #endif
1423         case F_MAILDIR:
1424         case F_IMAP:
1425                 folderview_delete_folder_cb(folderview, 0, NULL);
1426                 break;
1427         case F_NEWS:
1428         default:
1429                 break;
1430         }
1431 }
1432
1433
1434 /* callback functions */
1435
1436 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1437                                       FolderView *folderview)
1438 {
1439         GtkCList *clist = GTK_CLIST(ctree);
1440         gint prev_row = -1, row = -1, column = -1;
1441         FolderItem *item;
1442         Folder *folder;
1443         GtkWidget *popup;
1444         gboolean mark_all_read   = FALSE;
1445         gboolean new_folder      = FALSE;
1446         gboolean rename_folder   = FALSE;
1447         gboolean move_folder     = FALSE;
1448         gboolean delete_folder   = FALSE;
1449         gboolean update_tree     = FALSE;
1450         gboolean rescan_tree     = FALSE;
1451         gboolean remove_tree     = FALSE;
1452         gboolean search_folder   = FALSE;
1453         gboolean folder_property = FALSE;
1454         gboolean folder_processing  = FALSE;
1455         gboolean folder_scoring  = FALSE;
1456
1457         if (!event) return;
1458
1459         if (event->button == 1) {
1460                 folderview->open_folder = TRUE;
1461                 return;
1462         }
1463
1464         if (event->button == 2 || event->button == 3) {
1465                 /* right clicked */
1466                 if (clist->selection) {
1467                         GtkCTreeNode *node;
1468
1469                         node = GTK_CTREE_NODE(clist->selection->data);
1470                         if (node)
1471                                 prev_row = gtkut_ctree_get_nth_from_node
1472                                         (GTK_CTREE(ctree), node);
1473                 }
1474
1475                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1476                                                   &row, &column))
1477                         return;
1478                 if (prev_row != row) {
1479                         gtk_clist_unselect_all(clist);
1480                         if (event->button == 2)
1481                                 folderview_select_node
1482                                         (folderview,
1483                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1484                                                             row));
1485                         else
1486                                 gtk_clist_select_row(clist, row, column);
1487                 }
1488         }
1489
1490         if (event->button != 3) return;
1491
1492         item = gtk_clist_get_row_data(clist, row);
1493         g_return_if_fail(item != NULL);
1494         g_return_if_fail(item->folder != NULL);
1495         folder = item->folder;
1496
1497         if (folderview->mainwin->lock_count == 0) {
1498                 new_folder = TRUE;
1499                 if (item->parent == NULL) {
1500                         update_tree = remove_tree = TRUE;
1501                         if (folder->account)
1502                                 folder_property = TRUE;
1503                 } else
1504                         mark_all_read = search_folder = folder_property = TRUE;
1505
1506                 if (FOLDER_IS_LOCAL(folder) || FOLDER_TYPE(folder) == F_IMAP /* || FOLDER_TYPE(folder) == F_MBOX */) {
1507                         if (item->parent == NULL)
1508                                 update_tree = rescan_tree = TRUE;
1509                         else if (item->stype == F_NORMAL)
1510                                 move_folder = rename_folder = delete_folder = folder_scoring = folder_processing = TRUE;
1511                         else if (item->stype == F_INBOX)
1512                                 folder_scoring = folder_processing = TRUE;
1513                         else if (item->stype == F_TRASH)
1514                                 folder_processing = TRUE;
1515                         else if (item->stype == F_OUTBOX)
1516                                 folder_processing = TRUE;
1517                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
1518                         if (item->parent != NULL)
1519                                 delete_folder = folder_scoring = folder_processing = TRUE;
1520                 }
1521                 if (item->unread_msgs < 1)
1522                         mark_all_read = FALSE;
1523         }
1524
1525 #define SET_SENS(factory, name, sens) \
1526         menu_set_sensitive(folderview->factory, name, sens)
1527
1528         mark_all_read = mark_all_read &&
1529                         (item == folderview->summaryview->folder_item);
1530
1531         if (FOLDER_IS_LOCAL(folder)) {
1532                 popup = folderview->mail_popup;
1533                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1534                 SET_SENS(mail_factory, "/Mark all read", mark_all_read);
1535                 SET_SENS(mail_factory, "/Create new folder...", new_folder);
1536                 SET_SENS(mail_factory, "/Rename folder...", rename_folder);
1537                 SET_SENS(mail_factory, "/Move folder...", move_folder);
1538                 SET_SENS(mail_factory, "/Delete folder", delete_folder);
1539                 SET_SENS(mail_factory, "/Check for new messages", update_tree);
1540                 SET_SENS(mail_factory, "/Rebuild folder tree", rescan_tree);
1541                 SET_SENS(mail_factory, "/Remove mailbox", remove_tree);
1542                 SET_SENS(mail_factory, "/Search folder...", search_folder);
1543                 SET_SENS(mail_factory, "/Properties...", folder_property);
1544                 SET_SENS(mail_factory, "/Processing...", folder_processing);
1545                 SET_SENS(mail_factory, "/Scoring...", folder_scoring);
1546         } else if (FOLDER_TYPE(folder) == F_IMAP) {
1547                 popup = folderview->imap_popup;
1548                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1549                 SET_SENS(imap_factory, "/Mark all read", mark_all_read);
1550                 SET_SENS(imap_factory, "/Create new folder...", new_folder);
1551                 SET_SENS(imap_factory, "/Rename folder...", rename_folder);
1552                 SET_SENS(imap_factory, "/Move folder...", move_folder);
1553                 SET_SENS(imap_factory, "/Delete folder", delete_folder);
1554                 SET_SENS(imap_factory, "/Check for new messages", update_tree);
1555                 SET_SENS(imap_factory, "/Rebuild folder tree", rescan_tree);
1556                 SET_SENS(imap_factory, "/Remove IMAP4 account", remove_tree);
1557                 SET_SENS(imap_factory, "/Search folder...", search_folder);
1558                 SET_SENS(imap_factory, "/Properties...", folder_property);
1559                 SET_SENS(imap_factory, "/Processing...", folder_processing);
1560                 SET_SENS(imap_factory, "/Scoring...", folder_scoring);
1561         } else if (FOLDER_TYPE(folder) == F_NEWS) {
1562                 popup = folderview->news_popup;
1563                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1564                 SET_SENS(news_factory, "/Mark all read", mark_all_read);
1565                 SET_SENS(news_factory, "/Subscribe to newsgroup...", new_folder);
1566                 SET_SENS(news_factory, "/Remove newsgroup", delete_folder);
1567                 SET_SENS(news_factory, "/Check for new messages", update_tree);
1568                 SET_SENS(news_factory, "/Remove news account", remove_tree);
1569                 SET_SENS(news_factory, "/Search folder...", search_folder);
1570                 SET_SENS(news_factory, "/Properties...", folder_property);
1571                 SET_SENS(news_factory, "/Processing...", folder_processing);
1572                 SET_SENS(news_factory, "/Scoring...", folder_scoring);
1573 #if 0
1574         } else if (FOLDER_TYPE(folder) == F_MBOX) {
1575                 popup = folderview->mbox_popup;
1576                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1577                 SET_SENS(mbox_factory, "/Create new folder...", new_folder);
1578                 SET_SENS(mbox_factory, "/Rename folder...", rename_folder);
1579                 SET_SENS(mbox_factory, "/Move folder...", move_folder);
1580                 SET_SENS(mbox_factory, "/Delete folder", delete_folder);
1581                 SET_SENS(news_factory, "/Properties...", folder_property);
1582                 SET_SENS(mbox_factory, "/Processing...", folder_processing);
1583                 SET_SENS(mbox_factory, "/Scoring...", folder_scoring);
1584 #endif
1585         } else
1586                 return;
1587
1588 #undef SET_SENS
1589
1590         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1591                        event->button, event->time);
1592 }
1593
1594 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1595                                        FolderView *folderview)
1596 {
1597         if (!event) return;
1598
1599         if (event->button == 1 && folderview->open_folder == FALSE &&
1600             folderview->opened != NULL) {
1601                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1602                                           folderview->opened);
1603                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1604         }
1605 }
1606
1607 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1608                                    FolderView *folderview)
1609 {
1610         if (!event) return;
1611
1612         switch (event->keyval) {
1613         case GDK_Return:
1614                 if (folderview->selected) {
1615                         folderview_select_node(folderview,
1616                                                folderview->selected);
1617                 }
1618                 break;
1619         case GDK_space:
1620                 if (folderview->selected) {
1621                         if (folderview->opened == folderview->selected &&
1622                             (!folderview->summaryview->folder_item ||
1623                              folderview->summaryview->folder_item->total_msgs == 0))
1624                                 folderview_select_next_unread(folderview);
1625                         else
1626                                 folderview_select_node(folderview,
1627                                                        folderview->selected);
1628                 }
1629                 break;
1630         default:
1631                 break;
1632         }
1633 }
1634
1635 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1636                                 gint column, FolderView *folderview)
1637 {
1638         static gboolean can_select = TRUE;      /* exclusive lock */
1639         gboolean opened;
1640         FolderItem *item;
1641         gchar *buf;
1642
1643         folderview->selected = row;
1644
1645         if (folderview->opened == row) {
1646                 folderview->open_folder = FALSE;
1647                 return;
1648         }
1649
1650         if (!can_select || summary_is_locked(folderview->summaryview)) {
1651                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1652                 gtk_ctree_select(ctree, folderview->opened);
1653                 return;
1654         }
1655
1656         if (!folderview->open_folder) return;
1657
1658         item = gtk_ctree_node_get_row_data(ctree, row);
1659         if (!item) return;
1660
1661         can_select = FALSE;
1662
1663         /* Save cache for old folder */
1664         /* We don't want to lose all caches if sylpheed crashed */
1665         if (folderview->opened) {
1666                 FolderItem *olditem;
1667
1668                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1669                 if (olditem) {
1670                         /* will be null if we just moved the previously opened folder */
1671                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1672                         folder_item_close(olditem);
1673                 }
1674         }
1675
1676         /* CLAWS: set compose button type: news folder items
1677          * always have a news folder as parent */
1678         if (item->folder)
1679                 toolbar_set_compose_button
1680                         (folderview->mainwin->toolbar,
1681                          FOLDER_TYPE(item->folder) == F_NEWS ?
1682                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1683
1684         if (item->path)
1685                 debug_print("Folder %s is selected\n", item->path);
1686
1687         if (!GTK_CTREE_ROW(row)->children)
1688                 gtk_ctree_expand(ctree, row);
1689         if (folderview->opened &&
1690             !GTK_CTREE_ROW(folderview->opened)->children)
1691                 gtk_ctree_collapse(ctree, folderview->opened);
1692
1693         /* ungrab the mouse event */
1694         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1695                 gtk_grab_remove(GTK_WIDGET(ctree));
1696                 if (gdk_pointer_is_grabbed())
1697                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1698         }
1699
1700         /* Open Folder */
1701         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1702                                         item->path : "(null)");
1703         debug_print("%s\n", buf);
1704         STATUSBAR_PUSH(folderview->mainwin, buf);
1705         g_free(buf);
1706
1707         main_window_cursor_wait(folderview->mainwin);
1708
1709         if (folder_item_open(item) != 0) {
1710                 main_window_cursor_normal(folderview->mainwin);
1711                 STATUSBAR_POP(folderview->mainwin);
1712
1713                 alertpanel_error(_("Folder could not be opened."));
1714
1715                 return;
1716         }
1717
1718         main_window_cursor_normal(folderview->mainwin);
1719
1720         /* Show messages */
1721         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1722         opened = summary_show(folderview->summaryview, item);
1723
1724         folder_clean_cache_memory();
1725
1726         if (!opened) {
1727                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1728                 gtk_ctree_select(ctree, folderview->opened);
1729         } else {
1730                 folderview->opened = row;
1731                 if (gtk_ctree_node_is_visible(ctree, row)
1732                     != GTK_VISIBILITY_FULL)
1733                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1734         }
1735
1736         STATUSBAR_POP(folderview->mainwin);
1737
1738         folderview->open_folder = FALSE;
1739         can_select = TRUE;
1740 }
1741
1742 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1743                                      FolderView *folderview)
1744 {
1745         FolderItem *item;
1746
1747         item = gtk_ctree_node_get_row_data(ctree, node);
1748         g_return_if_fail(item != NULL);
1749         item->collapsed = FALSE;
1750         folderview_update_node(folderview, node);
1751 }
1752
1753 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1754                                       FolderView *folderview)
1755 {
1756         FolderItem *item;
1757
1758         item = gtk_ctree_node_get_row_data(ctree, node);
1759         g_return_if_fail(item != NULL);
1760         item->collapsed= TRUE;
1761         folderview_update_node(folderview, node);
1762 }
1763
1764 static void folderview_popup_close(GtkMenuShell *menu_shell,
1765                                    FolderView *folderview)
1766 {
1767         if (!folderview->opened) return;
1768
1769         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1770                                   folderview->opened);
1771         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1772 }
1773
1774 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1775                                    FolderView *folderview)
1776 {
1777         switch (column) {
1778         case COL_FOLDER:
1779                 prefs_common.folder_col_folder = width;
1780                 break;
1781         case COL_NEW:
1782                 prefs_common.folder_col_new = width;
1783                 break;
1784         case COL_UNREAD:
1785                 prefs_common.folder_col_unread = width;
1786                 break;
1787         case COL_TOTAL:
1788                 prefs_common.folder_col_total = width;
1789                 break;
1790         default:
1791                 break;
1792         }
1793 }
1794
1795 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1796                                              GtkCTreeNode *node,
1797                                              const gchar *name)
1798 {
1799         FolderItem *item;
1800
1801         if (!node)
1802                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1803         if (!node)
1804                 return NULL;
1805
1806         node = GTK_CTREE_ROW(node)->children;
1807
1808         while (node) {
1809                 item = gtk_ctree_node_get_row_data(ctree, node);
1810                 if (!folderview_compare_name(item, name))
1811                         return node;
1812                 node = GTK_CTREE_ROW(node)->sibling;
1813         }
1814
1815         return NULL;
1816 }
1817
1818 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1819                                       GtkWidget *widget)
1820 {
1821         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1822         FolderItem *item;
1823
1824         if (!folderview->selected) return;
1825
1826         summary_show(folderview->summaryview, NULL);
1827
1828         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1829         g_return_if_fail(item != NULL);
1830         g_return_if_fail(item->folder != NULL);
1831
1832         if (action == 0)
1833                 folderview_check_new(item->folder);
1834         else
1835                 folderview_rescan_tree(item->folder);
1836 }
1837
1838 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1839 {
1840         GNode *srcnode;
1841
1842         folderview_create_folder_node(folderview, item);
1843
1844         srcnode = item->folder->node;
1845         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1846         srcnode = srcnode->children;
1847         while (srcnode != NULL) {
1848                 if (srcnode && srcnode->data) {
1849                         FolderItem *next_item = (FolderItem*) srcnode->data;
1850                         folderview_create_folder_node_recursive(folderview, next_item);
1851                 }
1852                 srcnode = srcnode->next;
1853         }
1854 }
1855
1856 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1857 {
1858         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1859         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1860         GtkCTreeNode *node, *parent_node;
1861
1862         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, item->parent);
1863         if (parent_node == NULL)
1864                 return;
1865
1866         gtk_clist_freeze(GTK_CLIST(ctree));
1867
1868         text[COL_FOLDER] = item->name;
1869         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1870                                      FOLDER_SPACING,
1871                                      folderxpm, folderxpmmask,
1872                                      folderopenxpm, folderopenxpmmask,
1873                                      FALSE, FALSE);
1874         gtk_ctree_expand(ctree, parent_node);
1875         gtk_ctree_node_set_row_data(ctree, node, item);
1876         if (normal_style)
1877                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1878         folderview_sort_folders(folderview, folderview->selected, item->folder);
1879
1880         gtk_clist_thaw(GTK_CLIST(ctree));
1881 }
1882
1883 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1884                                      GtkWidget *widget)
1885 {
1886         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1887         FolderItem *item;
1888         FolderItem *new_item;
1889         gchar *new_folder;
1890         gchar *name, *name_;
1891
1892         if (!folderview->selected) return;
1893
1894         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1895         g_return_if_fail(item != NULL);
1896         g_return_if_fail(item->folder != NULL);
1897
1898         new_folder = input_dialog(_("New folder"),
1899                                   _("Input the name of new folder:"),
1900                                   _("NewFolder"));
1901         if (!new_folder) return;
1902
1903         if (FOLDER_TYPE(item->folder) != F_MBOX) {
1904                 if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1905                         alertpanel_error(_("`%c' can't be included in folder name."),
1906                                          G_DIR_SEPARATOR);
1907                         g_free(new_folder);
1908                         return;
1909                 }
1910         }
1911
1912         name_ = trim_string(new_folder, 32);
1913         Xstrdup_a(name, name_, {g_free(new_folder); return;});
1914         g_free(name_);
1915
1916         /* find whether the directory already exists */
1917         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1918                 alertpanel_error(_("The folder `%s' already exists."), name);
1919                 g_free(new_folder);
1920                 return;
1921         }
1922
1923         new_item = folder_create_folder(item, new_folder);
1924         if (!new_item) {
1925                 alertpanel_error(_("Can't create the folder `%s'."), name);
1926                 g_free(new_folder);
1927                 return;
1928         }
1929         g_free(new_folder);
1930
1931         folder_write_list();
1932 }
1933
1934 #if 0
1935 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1936                                           GtkWidget *widget)
1937 {
1938         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1939         FolderItem *item;
1940         FolderItem *new_item;
1941         gchar *new_folder;
1942
1943         if (!folderview->selected) return;
1944
1945         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1946         g_return_if_fail(item != NULL);
1947         g_return_if_fail(item->folder != NULL);
1948
1949         new_folder = input_dialog(_("New folder"),
1950                                   _("Input the name of new folder:"),
1951                                   _("NewFolder"));
1952         if (!new_folder) return;
1953
1954         /* find whether the directory already exists */
1955         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1956                 alertpanel_error(_("The folder `%s' already exists."),
1957                                  new_folder);
1958                 g_free(new_folder);
1959                 return;
1960         }
1961
1962         new_item = folder_create_folder(item, new_folder);
1963         g_free(new_folder);
1964         if (!new_item) return;
1965
1966         folder_write_list();
1967 }
1968 #endif
1969
1970 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1971                                         GtkWidget *widget)
1972 {
1973         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1974         FolderItem *item;
1975         gchar *new_folder;
1976         gchar *name, *name_;
1977         gchar *message;
1978         gchar *old_path;
1979         gchar *old_id;
1980         gchar *new_id;
1981
1982         if (!folderview->selected) return;
1983
1984         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1985         g_return_if_fail(item != NULL);
1986         g_return_if_fail(item->path != NULL);
1987         g_return_if_fail(item->folder != NULL);
1988
1989         name_ = trim_string(item->name, 32);
1990         Xstrdup_a(name, name_, return);
1991         g_free(name_);
1992         message = g_strdup_printf(_("Input new name for `%s':"), name);
1993         new_folder = input_dialog(_("Rename folder"), message,
1994                                   g_basename(item->path));
1995         g_free(message);
1996         if (!new_folder) return;
1997
1998         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1999                 alertpanel_error(_("`%c' can't be included in folder name."),
2000                                  G_DIR_SEPARATOR);
2001                 g_free(new_folder);
2002                 return;
2003         }
2004
2005         if (folderview_find_by_name
2006                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2007                  new_folder)) {
2008                 name = trim_string(new_folder, 32);
2009                 alertpanel_error(_("The folder `%s' already exists."), name);
2010                 g_free(name);
2011                 g_free(new_folder);
2012                 return;
2013         }
2014
2015         Xstrdup_a(old_path, item->path, {g_free(new_folder); return;});
2016         old_id = folder_item_get_identifier(item);
2017
2018         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
2019                 g_free(old_id);
2020                 g_free(new_folder);
2021                 return;
2022         }
2023         g_free(new_folder);
2024
2025         /* if (FOLDER_TYPE(item->folder) == F_MH)
2026                 prefs_filtering_rename_path(old_path, item->path); */
2027         new_id = folder_item_get_identifier(item);
2028         prefs_filtering_rename_path(old_id, new_id);
2029
2030         g_free(old_id);
2031         g_free(new_id);
2032
2033         gtk_clist_freeze(GTK_CLIST(ctree));
2034
2035         folderview_update_node(folderview, folderview->selected);
2036         folderview_sort_folders(folderview,
2037                                 GTK_CTREE_ROW(folderview->selected)->parent,
2038                                 item->folder);
2039         if (folderview->opened == folderview->selected ||
2040             gtk_ctree_is_ancestor(ctree,
2041                                   folderview->selected,
2042                                   folderview->opened)) {
2043                 GtkCTreeNode *node = folderview->opened;
2044                 folderview_unselect(folderview);
2045                 folderview_select_node(folderview, node);
2046         }
2047
2048         gtk_clist_thaw(GTK_CLIST(ctree));
2049
2050         folder_write_list();
2051 }
2052
2053 #if 0
2054 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
2055                                              guint action,
2056                                              GtkWidget *widget)
2057 {
2058         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2059         FolderItem *item;
2060         gchar *new_folder;
2061         gchar *message;
2062
2063         if (!folderview->selected) return;
2064
2065         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2066         g_return_if_fail(item != NULL);
2067         g_return_if_fail(item->path != NULL);
2068         g_return_if_fail(item->folder != NULL);
2069
2070         message = g_strdup_printf(_("Input new name for `%s':"),
2071                                   g_basename(item->path));
2072         new_folder = input_dialog(_("Rename folder"), message,
2073                                   g_basename(item->path));
2074         g_free(message);
2075         if (!new_folder) return;
2076
2077         if (folderview_find_by_name
2078                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2079                  new_folder)) {
2080                 alertpanel_error(_("The folder `%s' already exists."),
2081                                  new_folder);
2082                 g_free(new_folder);
2083                 return;
2084         }
2085
2086         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
2087                 g_free(new_folder);
2088                 return;
2089         }
2090         g_free(new_folder);
2091
2092         gtk_clist_freeze(GTK_CLIST(ctree));
2093
2094         folderview_update_node(folderview, folderview->selected);
2095         folderview_sort_folders(folderview,
2096                                 GTK_CTREE_ROW(folderview->selected)->parent,
2097                                 item->folder);
2098         if (folderview->opened == folderview->selected) {
2099                 if (!GTK_CTREE_ROW(folderview->opened)->children)
2100                         gtk_ctree_expand(ctree, folderview->opened);
2101                 summary_show(folderview->summaryview, item);
2102         }
2103
2104         gtk_clist_thaw(GTK_CLIST(ctree));
2105
2106         folder_write_list();
2107 }
2108 #endif
2109
2110 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
2111                                         GtkWidget *widget)
2112 {
2113         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2114         FolderItem *item;
2115         gchar *message, *name, *name_;
2116         AlertValue avalue;
2117         gchar *old_path;
2118         gchar *old_id;
2119
2120         if (!folderview->selected) return;
2121
2122         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2123         g_return_if_fail(item != NULL);
2124         g_return_if_fail(item->path != NULL);
2125         g_return_if_fail(item->folder != NULL);
2126
2127         name_ = trim_string(item->name, 32);
2128         Xstrdup_a(name, name_, return);
2129         g_free(name_);
2130         message = g_strdup_printf
2131                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
2132                    "Do you really want to delete?"), name);
2133         avalue = alertpanel(_("Delete folder"), message,
2134                             _("Yes"), _("+No"), NULL);
2135         g_free(message);
2136         if (avalue != G_ALERTDEFAULT) return;
2137
2138         Xstrdup_a(old_path, item->path, return);
2139         old_id = folder_item_get_identifier(item);
2140
2141         if (folderview->opened == folderview->selected ||
2142             gtk_ctree_is_ancestor(ctree,
2143                                   folderview->selected,
2144                                   folderview->opened)) {
2145                 summary_clear_all(folderview->summaryview);
2146                 folderview->opened = NULL;
2147         }
2148
2149         if (item->folder->klass->remove_folder(item->folder, item) < 0) {
2150                 alertpanel_error(_("Can't remove the folder `%s'."), name);
2151                 if (folderview->opened == folderview->selected)
2152                         summary_show(folderview->summaryview,
2153                                      folderview->summaryview->folder_item);
2154                 g_free(old_id);
2155                 return;
2156         }
2157
2158         folder_write_list();
2159
2160         prefs_filtering_delete_path(old_id);
2161         g_free(old_id);
2162
2163 }
2164
2165 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
2166                                          GtkWidget *widget)
2167 {
2168         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2169         GtkCTreeNode *node;
2170         FolderItem *item;
2171         gchar *name, *name_;
2172         gchar *message;
2173         AlertValue avalue;
2174
2175         if (!folderview->selected) return;
2176         node = folderview->selected;
2177         item = gtk_ctree_node_get_row_data(ctree, node);
2178         g_return_if_fail(item != NULL);
2179         g_return_if_fail(item->folder != NULL);
2180         if (item->parent) return;
2181
2182         name_ = trim_string(item->folder->name, 32);
2183         Xstrdup_a(name, name_, return);
2184         g_free(name_);
2185         message = g_strdup_printf
2186                 (_("Really remove the mailbox `%s' ?\n"
2187                    "(The messages are NOT deleted from the disk)"), name);
2188         avalue = alertpanel(_("Remove mailbox"), message,
2189                             _("Yes"), _("+No"), NULL);
2190         g_free(message);
2191         if (avalue != G_ALERTDEFAULT) return;
2192
2193         folderview_unselect(folderview);
2194         summary_clear_all(folderview->summaryview);
2195         gtk_ctree_remove_node(ctree, node);
2196
2197         folder_destroy(item->folder);
2198         folder_write_list();
2199 }
2200
2201 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
2202                                           GtkWidget *widget)
2203 {
2204         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2205         FolderItem *item;
2206         FolderItem *new_item;
2207         gchar *new_folder;
2208         gchar *name, *name_;
2209         gchar *p;
2210
2211         if (!folderview->selected) return;
2212
2213         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2214         g_return_if_fail(item != NULL);
2215         g_return_if_fail(item->folder != NULL);
2216         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2217         g_return_if_fail(item->folder->account != NULL);
2218
2219         new_folder = input_dialog
2220                 (_("New folder"),
2221                  _("Input the name of new folder:\n"
2222                    "(if you want to create a folder to store subfolders,\n"
2223                    " append `/' at the end of the name)"),
2224                  _("NewFolder"));
2225         if (!new_folder) return;
2226
2227         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
2228             *(p + 1) != '\0') {
2229                 alertpanel_error(_("`%c' can't be included in folder name."),
2230                                  G_DIR_SEPARATOR);
2231                 g_free(new_folder);
2232                 return;
2233         }
2234
2235         name_ = trim_string(new_folder, 32);
2236         Xstrdup_a(name, name_, return);
2237         g_free(name_);
2238
2239         /* find whether the directory already exists */
2240         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
2241                 alertpanel_error(_("The folder `%s' already exists."), name);
2242                 g_free(new_folder);
2243                 return;
2244         }
2245
2246         new_item = folder_create_folder(item, new_folder);
2247         if (!new_item) {
2248                 alertpanel_error(_("Can't create the folder `%s'."), name);
2249                 g_free(new_folder);
2250                 return;
2251         }
2252         g_free(new_folder);
2253
2254         folder_write_list();
2255 }
2256
2257 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
2258                                          GtkWidget *widget)
2259 {
2260         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2261         FolderItem *item;
2262         PrefsAccount *account;
2263         gchar *name, *name_;
2264         gchar *message;
2265         AlertValue avalue;
2266
2267         if (!folderview->selected) return;
2268
2269         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2270         g_return_if_fail(item != NULL);
2271         g_return_if_fail(item->folder != NULL);
2272         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2273         g_return_if_fail(item->folder->account != NULL);
2274
2275         name_ = trim_string(item->folder->name, 32);
2276         Xstrdup_a(name, name_, return);
2277         g_free(name_);
2278         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"), name);
2279         avalue = alertpanel(_("Delete IMAP4 account"), message,
2280                             _("Yes"), _("+No"), NULL);
2281         g_free(message);
2282
2283         if (avalue != G_ALERTDEFAULT) return;
2284
2285         if (folderview->opened == folderview->selected ||
2286             gtk_ctree_is_ancestor(ctree,
2287                                   folderview->selected,
2288                                   folderview->opened)) {
2289                 summary_clear_all(folderview->summaryview);
2290                 folderview->opened = NULL;
2291         }
2292
2293         account = item->folder->account;
2294         folder_destroy(item->folder);
2295         account_destroy(account);
2296         gtk_ctree_remove_node(ctree, folderview->selected);
2297         account_set_menu();
2298         main_window_reflect_prefs_all();
2299         folder_write_list();
2300 }
2301
2302 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
2303                                          GtkWidget *widget)
2304 {
2305         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2306         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2307         GtkCTreeNode *servernode, *node;
2308         Folder *folder;
2309         FolderItem *item;
2310         FolderItem *rootitem;
2311         FolderItem *newitem;
2312         GSList *new_subscr;
2313         GSList *cur;
2314         GNode *gnode;
2315
2316         if (!folderview->selected) return;
2317
2318         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2319         g_return_if_fail(item != NULL);
2320         folder = item->folder;
2321         g_return_if_fail(folder != NULL);
2322         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
2323         g_return_if_fail(folder->account != NULL);
2324
2325         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
2326                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
2327         else
2328                 servernode = folderview->selected;
2329
2330         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
2331
2332         new_subscr = grouplist_dialog(folder);
2333
2334         /* remove unsubscribed newsgroups */
2335         for (gnode = folder->node->children; gnode != NULL; ) {
2336                 GNode *next = gnode->next;
2337
2338                 item = FOLDER_ITEM(gnode->data);
2339                 if (g_slist_find_custom(new_subscr, item->path,
2340                                         (GCompareFunc)g_strcasecmp) != NULL) {
2341                         gnode = next;
2342                         continue;
2343                 }
2344
2345                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
2346                 if (!node) {
2347                         gnode = next;
2348                         continue;
2349                 }
2350
2351                 if (folderview->opened == node) {
2352                         summary_clear_all(folderview->summaryview);
2353                         folderview->opened = NULL;
2354                 }
2355
2356                 gtk_ctree_remove_node(ctree, node);
2357                 folder_item_remove(item);
2358
2359                 gnode = next;
2360         }
2361
2362         gtk_clist_freeze(GTK_CLIST(ctree));
2363
2364         /* add subscribed newsgroups */
2365         for (cur = new_subscr; cur != NULL; cur = cur->next) {
2366                 gchar *name = (gchar *)cur->data;
2367
2368                 if (folderview_find_by_name(ctree, servernode, name) != NULL)
2369                         continue;
2370
2371                 text[COL_FOLDER] = name;
2372                 node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
2373                                              FOLDER_SPACING,
2374                                              folderxpm, folderxpmmask,
2375                                              folderopenxpm, folderopenxpmmask,
2376                                              FALSE, FALSE);
2377                 gtk_ctree_expand(ctree, servernode);
2378
2379                 newitem = folder_item_new(folder, name, name);
2380                 folder_item_append(rootitem, newitem);
2381                 gtk_ctree_node_set_row_data(ctree, node, newitem);
2382         }
2383
2384         folderview_sort_folders(folderview, servernode, folder);
2385         gtk_clist_thaw(GTK_CLIST(ctree));
2386
2387         slist_free_strings(new_subscr);
2388         g_slist_free(new_subscr);
2389
2390         folder_write_list();
2391 }
2392
2393 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
2394                                         GtkWidget *widget)
2395 {
2396         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2397         FolderItem *item;
2398         gchar *name, *name_;
2399         gchar *message;
2400         AlertValue avalue;
2401
2402         if (!folderview->selected) return;
2403
2404         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2405         g_return_if_fail(item != NULL);
2406         g_return_if_fail(item->folder != NULL);
2407         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2408         g_return_if_fail(item->folder->account != NULL);
2409
2410         name_ = trim_string(item->path, 32);
2411         Xstrdup_a(name, name_, return);
2412         g_free(name_);
2413         message = g_strdup_printf(_("Really delete newsgroup `%s'?"), name);
2414         avalue = alertpanel(_("Delete newsgroup"), message,
2415                             _("Yes"), _("+No"), NULL);
2416         g_free(message);
2417         if (avalue != G_ALERTDEFAULT) return;
2418
2419         if (folderview->opened == folderview->selected) {
2420                 summary_clear_all(folderview->summaryview);
2421                 folderview->opened = NULL;
2422         }
2423
2424         folder_item_remove(item);
2425         folder_write_list();
2426
2427         prefs_filtering_delete_path(name);
2428 }
2429
2430 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
2431                                          GtkWidget *widget)
2432 {
2433         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2434         FolderItem *item;
2435         PrefsAccount *account;
2436         gchar *name, *name_;
2437         gchar *message;
2438         AlertValue avalue;
2439
2440         if (!folderview->selected) return;
2441
2442         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2443         g_return_if_fail(item != NULL);
2444         g_return_if_fail(item->folder != NULL);
2445         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2446         g_return_if_fail(item->folder->account != NULL);
2447
2448         name_ = trim_string(item->folder->name, 32);
2449         Xstrdup_a(name, name_, return);
2450         g_free(name_);
2451         message = g_strdup_printf(_("Really delete news account `%s'?"), name);
2452         avalue = alertpanel(_("Delete news account"), message,
2453                             _("Yes"), _("+No"), NULL);
2454         g_free(message);
2455
2456         if (avalue != G_ALERTDEFAULT) return;
2457
2458         if (folderview->opened == folderview->selected ||
2459             gtk_ctree_is_ancestor(ctree,
2460                                   folderview->selected,
2461                                   folderview->opened)) {
2462                 summary_clear_all(folderview->summaryview);
2463                 folderview->opened = NULL;
2464         }
2465
2466         account = item->folder->account;
2467         folder_destroy(item->folder);
2468         account_destroy(account);
2469         gtk_ctree_remove_node(ctree, folderview->selected);
2470         account_set_menu();
2471         main_window_reflect_prefs_all();
2472         folder_write_list();
2473 }
2474
2475 static void folderview_search_cb(FolderView *folderview, guint action,
2476                                  GtkWidget *widget)
2477 {
2478         summary_search(folderview->summaryview);
2479 }
2480
2481 static void folderview_property_cb(FolderView *folderview, guint action,
2482                                    GtkWidget *widget)
2483 {
2484         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2485         FolderItem *item;
2486
2487         if (!folderview->selected) return;
2488
2489         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2490         g_return_if_fail(item != NULL);
2491         g_return_if_fail(item->folder != NULL);
2492
2493         if (item->parent == NULL && item->folder->account)
2494                 account_open(item->folder->account);
2495         else {
2496                 prefs_folder_item_open(item);
2497         }
2498 }
2499
2500 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2501 {
2502         GSList *list = NULL;
2503         GSList *done = NULL;
2504         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2505
2506         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2507                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2508                 &&  list->data != node) {
2509                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2510                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2511                 }
2512         }
2513         for (list = done; list != NULL; list = g_slist_next(list)) {
2514                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2515                                                                  list->data);
2516         }
2517         g_slist_free(done);
2518 }
2519
2520 static void folderview_move_to_cb(FolderView *folderview)
2521 {
2522         FolderItem *from_folder = NULL, *to_folder = NULL;
2523
2524         if (folderview->selected)
2525                 from_folder = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree), folderview->selected);
2526         if (!from_folder || FOLDER_TYPE(from_folder->folder) == F_NEWS)
2527                 return;
2528
2529         to_folder = foldersel_folder_sel(from_folder->folder, FOLDER_SEL_MOVE, NULL);
2530
2531         if (!to_folder || FOLDER_TYPE(to_folder->folder) == F_NEWS)
2532                 return;
2533
2534         folderview_move_to(folderview, from_folder, to_folder);
2535 }
2536
2537 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
2538                                FolderItem *to_folder)
2539 {
2540         FolderItem *from_parent = NULL;
2541         FolderItem *new_folder = NULL;
2542         GtkCTreeNode *src_node = NULL;
2543         gchar *buf;
2544         gint status;
2545
2546         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2547         from_parent = from_folder->parent;
2548         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2549         STATUSBAR_PUSH(folderview->mainwin, buf);
2550         g_free(buf);
2551         summary_clear_all(folderview->summaryview);
2552         folderview->opened = NULL;
2553         folderview->selected = NULL;
2554         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2555         inc_lock();
2556         main_window_cursor_wait(folderview->mainwin);
2557         statusbar_verbosity_set(TRUE);
2558         folder_item_update_freeze();
2559         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2560                 statusbar_verbosity_set(FALSE);
2561                 main_window_cursor_normal(folderview->mainwin);
2562                 STATUSBAR_POP(folderview->mainwin);
2563                 folder_item_update_thaw();
2564                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2565
2566                 folderview_sort_folders(folderview,
2567                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2568                                 NULL, new_folder->parent), new_folder->folder);
2569                 folderview_select(folderview, new_folder);
2570         } else {
2571                 statusbar_verbosity_set(FALSE);
2572                 main_window_cursor_normal(folderview->mainwin);
2573                 STATUSBAR_POP(folderview->mainwin);
2574                 folder_item_update_thaw();
2575                 switch (status) {
2576                 case F_MOVE_FAILED_DEST_IS_PARENT:
2577                         alertpanel_error(_("Source and destination are the same."));
2578                         break;
2579                 case F_MOVE_FAILED_DEST_IS_CHILD:
2580                         alertpanel_error(_("Can't move a folder to one of its children."));
2581                         break;
2582                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2583                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2584                         break;
2585                 default:
2586                         alertpanel_error(_("Move failed!"));
2587                         break;
2588                 }
2589         }
2590         inc_unlock();
2591         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2592 }
2593
2594 static gint folderview_clist_compare(GtkCList *clist,
2595                                      gconstpointer ptr1, gconstpointer ptr2)
2596 {
2597         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2598         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2599
2600         if (!item1->name)
2601                 return (item2->name != NULL);
2602         if (!item2->name)
2603                 return -1;
2604
2605         return g_strcasecmp(item1->name, item2->name);
2606 }
2607
2608 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2609 {
2610         const FolderItem *item = a;
2611         const gchar *name = b;
2612
2613         if (!item->path) return -1;
2614         return strcmp2(g_basename(item->path), name);
2615 }
2616
2617 static void folderview_scoring_cb(FolderView *folderview, guint action,
2618                                    GtkWidget *widget)
2619 {
2620         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2621         FolderItem *item;
2622
2623         if (!folderview->selected) return;
2624
2625         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2626         g_return_if_fail(item != NULL);
2627         g_return_if_fail(item->folder != NULL);
2628
2629         prefs_scoring_open(item);
2630 }
2631
2632 static void folderview_processing_cb(FolderView *folderview, guint action,
2633                                      GtkWidget *widget)
2634 {
2635         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2636         FolderItem *item;
2637
2638         if (!folderview->selected) return;
2639
2640         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2641         g_return_if_fail(item != NULL);
2642         g_return_if_fail(item->folder != NULL);
2643
2644         prefs_filtering_open(item, NULL, NULL);
2645 }
2646
2647 void folderview_set_target_folder_color(gint color_op)
2648 {
2649         gint firstone = 1;
2650         GList *list;
2651         FolderView *folderview;
2652
2653         for (list = folderview_list; list != NULL; list = list->next) {
2654                 folderview = (FolderView *)list->data;
2655                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2656                 if (firstone) {
2657                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2658                                 folderview->color_op;
2659                         firstone = 0;
2660                 }
2661         }
2662 }
2663
2664 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2665 {
2666         folderview_init(folderview);
2667         folderview_set_all();
2668 }
2669
2670 static void drag_state_stop(FolderView *folderview)
2671 {
2672         if (folderview->drag_timer)
2673                 gtk_timeout_remove(folderview->drag_timer);
2674         folderview->drag_timer = 0;
2675         folderview->drag_node = NULL;
2676 }
2677
2678 static gint folderview_defer_expand(FolderView *folderview)
2679 {
2680         if (folderview->drag_node) {
2681                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2682                 if (folderview->drag_item->collapsed) {
2683                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2684                         folderview->nodes_to_recollapse = g_slist_append
2685                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2686                 }
2687         }
2688         folderview->drag_item  = NULL;
2689         folderview->drag_timer = 0;
2690         return FALSE;
2691 }
2692
2693 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2694 {
2695         /* the idea is that we call drag_state_start() whenever we want expansion to
2696          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2697          * we need to call drag_state_stop() */
2698         drag_state_stop(folderview);
2699         /* request expansion */
2700         if (0 != (folderview->drag_timer = gtk_timeout_add
2701                         (prefs_common.hover_timeout,
2702                          (GtkFunction)folderview_defer_expand,
2703                          folderview))) {
2704                 folderview->drag_node = node;
2705                 folderview->drag_item = item;
2706         }
2707 }
2708
2709 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2710                                   FolderView       *folderview)
2711 {
2712         GdkDragContext *context;
2713
2714         g_return_if_fail(folderview != NULL);
2715         if (folderview->selected == NULL) return;
2716         if (folderview->nodes_to_recollapse)
2717                 g_slist_free(folderview->nodes_to_recollapse);
2718         folderview->nodes_to_recollapse = NULL;
2719         context = gtk_drag_begin(widget, folderview->target_list,
2720                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2721         gtk_drag_set_icon_default(context);
2722 }
2723
2724 static void folderview_drag_data_get(GtkWidget        *widget,
2725                                      GdkDragContext   *drag_context,
2726                                      GtkSelectionData *selection_data,
2727                                      guint             info,
2728                                      guint             time,
2729                                      FolderView       *folderview)
2730 {
2731         FolderItem *item;
2732         GList *cur;
2733         gchar *source=NULL;
2734
2735         for (cur = GTK_CLIST(folderview->ctree)->selection;
2736              cur != NULL; cur = cur->next) {
2737                 item = gtk_ctree_node_get_row_data
2738                         (GTK_CTREE(folderview->ctree),
2739                          GTK_CTREE_NODE(cur->data));
2740                 if (item) {
2741                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2742                         gtk_selection_data_set(selection_data,
2743                                                selection_data->target, 8,
2744                                                source, strlen(source));
2745                         break;
2746                 } else
2747                         return;
2748         }
2749 }
2750
2751 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2752 {
2753         FolderUpdateData *hookdata;
2754         FolderView *folderview;
2755         GtkWidget *ctree;
2756
2757         hookdata = source;
2758         folderview = (FolderView *) userdata;
2759         g_return_val_if_fail(hookdata != NULL, FALSE);
2760         g_return_val_if_fail(folderview != NULL, FALSE);
2761
2762         ctree = folderview->ctree;
2763         g_return_val_if_fail(ctree != NULL, FALSE);
2764
2765         if (hookdata->update_flags & FOLDER_NEW_FOLDERITEM)
2766                 folderview_create_folder_node(folderview, hookdata->item);
2767         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2768                 GtkCTreeNode *node;
2769
2770                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2771                 if (node != NULL)
2772                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2773         } else if (hookdata->update_flags & FOLDER_TREE_CHANGED)
2774                 folderview_set(folderview);
2775
2776         return FALSE;
2777 }
2778
2779 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2780                                           GdkDragContext *context,
2781                                           gint            x,
2782                                           gint            y,
2783                                           guint           time,
2784                                           FolderView     *folderview)
2785 {
2786         gint row, column;
2787         FolderItem *item, *src_item = NULL;
2788         GtkCTreeNode *node = NULL;
2789         gboolean acceptable = FALSE;
2790         gint height = folderview->ctree->allocation.height;
2791         gint total_height = folderview->ctree->requisition.height;
2792         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2793                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2794         gfloat vpos = pos->value;
2795
2796         if (gtk_clist_get_selection_info
2797                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2798                 if (y > height - 24 && height + vpos < total_height)
2799                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2800
2801                 if (y < 24 && y > 0)
2802                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2803
2804                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2805                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2806                 src_item = folderview->summaryview->folder_item;
2807
2808                 if (item && item->folder && item->path &&
2809                     src_item && src_item != item) {
2810                         switch (FOLDER_TYPE(item->folder)) {
2811                         case F_MH:
2812 #if 0
2813                         case F_MBOX:
2814 #endif
2815                         case F_IMAP:
2816                                 acceptable = TRUE;
2817                                 break;
2818                         default:
2819                                 break;
2820                         }
2821                 } else if (item && item->folder && folder_item_get_path(item) &&
2822                            src_item && src_item != item) {
2823                         /* a root folder - acceptable only from folderview */
2824                         if (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP)
2825                                 acceptable = TRUE;
2826                 }
2827
2828         }
2829
2830         if (acceptable || (src_item && src_item == item))
2831                 drag_state_start(folderview, node, item);
2832
2833         if (acceptable) {
2834                 gtk_signal_handler_block_by_func
2835                         (GTK_OBJECT(widget),
2836                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2837                 gtk_ctree_select(GTK_CTREE(widget), node);
2838                 gtk_signal_handler_unblock_by_func
2839                         (GTK_OBJECT(widget),
2840                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2841                 gdk_drag_status(context,
2842                                         (context->actions == GDK_ACTION_COPY ?
2843                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2844         } else {
2845                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2846                 gdk_drag_status(context, 0, time);
2847         }
2848
2849         return acceptable;
2850 }
2851
2852 static void folderview_drag_leave_cb(GtkWidget      *widget,
2853                                      GdkDragContext *context,
2854                                      guint           time,
2855                                      FolderView     *folderview)
2856 {
2857         drag_state_stop(folderview);
2858         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2859 }
2860
2861 static void folderview_drag_received_cb(GtkWidget        *widget,
2862                                         GdkDragContext   *drag_context,
2863                                         gint              x,
2864                                         gint              y,
2865                                         GtkSelectionData *data,
2866                                         guint             info,
2867                                         guint             time,
2868                                         FolderView       *folderview)
2869 {
2870         gint row, column;
2871         FolderItem *item, *src_item;
2872         GtkCTreeNode *node;
2873
2874         drag_state_stop(folderview);
2875         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2876                 /* comes from summaryview */
2877                 if (gtk_clist_get_selection_info
2878                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2879                         return;
2880
2881                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2882                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2883                 src_item = folderview->summaryview->folder_item;
2884
2885                 /* re-check (due to acceptable possibly set for folder moves */
2886                 if (!(item && item->folder && item->path &&
2887                       src_item && src_item != item &&
2888                       (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP))) {
2889                         return;
2890                 }
2891                 if (item && src_item) {
2892                         switch (drag_context->action) {
2893                                 case GDK_ACTION_COPY:
2894                                         summary_copy_selected_to(folderview->summaryview, item);
2895                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2896                                         break;
2897                                 case GDK_ACTION_MOVE:
2898                                 case GDK_ACTION_DEFAULT:
2899                                 default:
2900                         if (FOLDER_TYPE(src_item->folder) != FOLDER_TYPE(item->folder) ||
2901                             (FOLDER_TYPE(item->folder) == F_IMAP &&
2902                              src_item->folder != item->folder))
2903                                 summary_copy_selected_to(folderview->summaryview, item);
2904                         else
2905                                 summary_move_selected_to(folderview->summaryview, item);
2906                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2907                         }
2908                 } else
2909                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2910         } else {
2911                 /* comes from folderview */
2912                 char *source;
2913
2914                 source = data->data + 17;
2915                 if (gtk_clist_get_selection_info
2916                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2917                     || *source == 0) {
2918                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2919                         return;
2920                 }
2921                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2922                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2923                 src_item = folder_find_item_from_identifier(source);
2924
2925                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2926                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2927                         return;
2928                 }
2929
2930                 folderview_move_to(folderview, src_item, item);
2931                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2932         }
2933         folderview->nodes_to_recollapse = NULL;
2934 }
2935
2936 static void folderview_drag_end_cb(GtkWidget        *widget,
2937                                    GdkDragContext   *drag_context,
2938                                    FolderView       *folderview)
2939 {
2940         drag_state_stop(folderview);
2941         g_slist_free(folderview->nodes_to_recollapse);
2942         folderview->nodes_to_recollapse = NULL;
2943 }