src/folderview.c

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