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 gint folderview_check_new(Folder *folder)
 878 {
 879         GList *list;
 880         FolderItem *item;
 881         FolderView *folderview;
 882         GtkCTree *ctree;
 883         GtkCTreeNode *node;
 884         gint new_msgs = 0;
 885
 886         for (list = folderview_list; list != NULL; list = list->next) {
 887                 folderview = (FolderView *)list->data;
 888                 ctree = GTK_CTREE(folderview->ctree);
 889
 890                 inc_lock();
 891                 main_window_lock(folderview->mainwin);
 892                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 893
 894                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 895                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 896                         item = gtk_ctree_node_get_row_data(ctree, node);
 897                         if (!item || !item->path || !item->folder) continue;
 898                         if (item->no_select) continue;
 899                         if (folder && folder != item->folder) continue;
 900                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 901
 902                         folderview_scan_tree_func(item->folder, item, NULL);
 903                         if (folder_item_scan(item) < 0) {
 904                                 if (folder && !FOLDER_IS_LOCAL(folder))
 905                                         break;
 906                         }
 907                         folderview_update_node(folderview, node);
 908                         new_msgs += item->new;
 909                 }
 910
 911                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 912                 main_window_unlock(folderview->mainwin);
 913                 inc_unlock();
 914         }
 915
 916         folder_write_list();
 917         return new_msgs;
 918 }
 919
 920 void folderview_check_new_all(void)
 921 {
 922         GList *list;
 923         GtkWidget *window;
 924         FolderView *folderview;
 925
 926         folderview = (FolderView *)folderview_list->data;
 927
 928         inc_lock();
 929         main_window_lock(folderview->mainwin);
 930         window = label_window_create
 931                 (_("Checking for new messages in all folders..."));
 932
 933         list = folder_get_list();
 934         for (; list != NULL; list = list->next) {
 935                 Folder *folder = list->data;
 936
 937                 folderview_check_new(folder);
 938         }
 939
 940         folder_write_list();
 941         folderview_set_all();
 942
 943         gtk_widget_destroy(window);
 944         main_window_unlock(folderview->mainwin);
 945         inc_unlock();
 946 }
 947
 948 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 949                                                 GtkCTreeNode *node)
 950 {
 951         FolderItem *item;
 952
 953         if (node) {
 954                 item = gtk_ctree_node_get_row_data(ctree, node);
 955                 if (item) {
 956                         if (item->new > 0 ||
 957                             (item->stype == F_QUEUE && item->total > 0))
 958                                 return TRUE;
 959                 }
 960                 node = GTK_CTREE_ROW(node)->children;
 961         } else
 962                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 963
 964         while (node) {
 965                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 966                         return TRUE;
 967                 node = GTK_CTREE_ROW(node)->sibling;
 968         }
 969
 970         return FALSE;
 971 }
 972
 973 static gboolean folderview_have_new_children(FolderView *folderview,
 974                                              GtkCTreeNode *node)
 975 {
 976         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 977
 978         if (!node)
 979                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 980         if (!node)
 981                 return FALSE;
 982
 983         node = GTK_CTREE_ROW(node)->children;
 984
 985         while (node) {
 986                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 987                         return TRUE;
 988                 node = GTK_CTREE_ROW(node)->sibling;
 989         }
 990
 991         return FALSE;
 992 }
 993
 994 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 995                                                    GtkCTreeNode *node)
 996 {
 997         FolderItem *item;
 998
 999         if (node) {
1000                 item = gtk_ctree_node_get_row_data(ctree, node);
1001                 if (item) {
1002                         if (item->unread > 0 ||
1003                             (item->stype == F_QUEUE && item->total > 0))
1004                                 return TRUE;
1005                 }
1006                 node = GTK_CTREE_ROW(node)->children;
1007         } else
1008                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1009
1010         while (node) {
1011                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1012                         return TRUE;
1013                 node = GTK_CTREE_ROW(node)->sibling;
1014         }
1015
1016         return FALSE;
1017 }
1018
1019 static gboolean folderview_have_unread_children(FolderView *folderview,
1020                                                 GtkCTreeNode *node)
1021 {
1022         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1023
1024         if (!node)
1025                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1026         if (!node)
1027                 return FALSE;
1028
1029         node = GTK_CTREE_ROW(node)->children;
1030
1031         while (node) {
1032                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1033                         return TRUE;
1034                 node = GTK_CTREE_ROW(node)->sibling;
1035         }
1036
1037         return FALSE;
1038 }
1039
1040 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1041 {
1042         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1043         GtkStyle *style = NULL;
1044         GtkStyle *color_style = NULL;
1045         FolderItem *item;
1046         GdkPixmap *xpm, *openxpm;
1047         GdkBitmap *mask, *openmask;
1048         gchar *name;
1049         gchar *str;
1050         gboolean add_unread_mark;
1051         gboolean use_bold, use_color;
1052
1053         item = gtk_ctree_node_get_row_data(ctree, node);
1054         g_return_if_fail(item != NULL);
1055
1056         switch (item->stype) {
1057         case F_INBOX:
1058                 if (item->hide_read_msgs) {
1059                         xpm = inboxhrmxpm;
1060                         mask = inboxhrmxpmmask;
1061                         openxpm = inboxopenhrmxpm;
1062                         openmask = inboxopenhrmxpmmask;
1063                 } else {
1064                         xpm = inboxxpm;
1065                         mask = inboxxpmmask;
1066                         openxpm = inboxopenxpm;
1067                         openmask = inboxopenxpmmask;
1068                 }
1069                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
1070                                 !strcmp2(item->name, INBOX_DIR) ? _("Inbox") :
1071                                 item->name);
1072                 break;
1073         case F_OUTBOX:
1074                 if (item->hide_read_msgs) {
1075                         xpm = outboxhrmxpm;
1076                         mask = outboxhrmxpmmask;
1077                         openxpm = outboxopenhrmxpm;
1078                         openmask = outboxopenhrmxpmmask;
1079                 } else {
1080                         xpm = outboxxpm;
1081                         mask = outboxxpmmask;
1082                         openxpm = outboxopenxpm;
1083                         openmask = outboxopenxpmmask;
1084                 }
1085                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
1086                                 !strcmp2(item->name, OUTBOX_DIR) ? _("Sent") :
1087                                 item->name);
1088                 break;
1089         case F_QUEUE:
1090                 if (item->hide_read_msgs) {
1091                         xpm = queuehrmxpm;
1092                         mask = queuehrmxpmmask;
1093                         openxpm = queueopenhrmxpm;
1094                         openmask = queueopenhrmxpmmask;
1095                 } else {
1096                         xpm = queuexpm;
1097                         mask = queuexpmmask;
1098                         openxpm = queueopenxpm;
1099                         openmask = queueopenxpmmask;
1100                 }
1101                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
1102                                 !strcmp2(item->name, QUEUE_DIR) ? _("Queue") :
1103                                 item->name);
1104                 break;
1105         case F_TRASH:
1106                 if (item->hide_read_msgs) {
1107                         xpm = trashhrmxpm;
1108                         mask = trashhrmxpmmask;
1109                         openxpm = trashopenhrmxpm;
1110                         openmask = trashopenhrmxpmmask;
1111                 } else {
1112                         xpm = trashxpm;
1113                         mask = trashxpmmask;
1114                         openxpm = trashopenxpm;
1115                         openmask = trashopenxpmmask;
1116                 }
1117                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
1118                                 !strcmp2(item->name, TRASH_DIR) ? _("Trash") :
1119                                 item->name);
1120                 break;
1121         case F_DRAFT:
1122                 xpm = folderxpm;
1123                 mask = folderxpmmask;
1124                 if (item->hide_read_msgs) {
1125                         openxpm = folderopenhrmxpm;
1126                         openmask = folderopenhrmxpmmask;
1127                 } else {
1128                         openxpm = folderopenxpm;
1129                         openmask = folderopenxpmmask;
1130                 }
1131                 name = g_strdup(FOLDER_IS_LOCAL(item->folder) &&
1132                                 !strcmp2(item->name, DRAFT_DIR) ? _("Drafts") :
1133                                 item->name);
1134                 break;
1135         default:
1136                 if (item->hide_read_msgs) {
1137                         xpm = folderhrmxpm;
1138                         mask = folderhrmxpmmask;
1139                         openxpm = folderopenhrmxpm;
1140                         openmask = folderopenhrmxpmmask;
1141                 } else {
1142                         xpm = folderxpm;
1143                         mask = folderxpmmask;
1144                         openxpm = folderopenxpm;
1145                         openmask = folderopenxpmmask;
1146                 }
1147                 if (!item->parent) {
1148                         switch (item->folder->type) {
1149                         case F_MH:
1150                                 name = " (MH)"; break;
1151                         case F_MBOX:
1152                                 name = " (mbox)"; break;
1153                         case F_IMAP:
1154                                 name = " (IMAP4)"; break;
1155                         case F_NEWS:
1156                                 name = " (News)"; break;
1157                         default:
1158                                 name = "";
1159                         }
1160                         name = g_strconcat(item->name, name, NULL);
1161                 } else {
1162                         if (item->folder->type == F_NEWS &&
1163                             item->path &&
1164                             !strcmp2(item->name, item->path))
1165                                 name = get_abbrev_newsgroup_name
1166                                         (item->path,
1167                                          prefs_common.ng_abbrev_len);
1168                         else
1169                                 name = g_strdup(item->name);
1170                 }
1171         }
1172
1173         if (!GTK_CTREE_ROW(node)->expanded &&
1174             folderview_have_unread_children(folderview, node))
1175                 add_unread_mark = TRUE;
1176         else
1177                 add_unread_mark = FALSE;
1178
1179         if (item->stype == F_QUEUE && item->total > 0 &&
1180             prefs_common.display_folder_unread) {
1181                 str = g_strdup_printf("%s (%d%s)", name, item->total,
1182                                       add_unread_mark ? "+" : "");
1183                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1184                                         xpm, mask, openxpm, openmask,
1185                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1186                 g_free(str);
1187         } else if ((item->unread > 0 || add_unread_mark) &&
1188                  prefs_common.display_folder_unread) {
1189
1190                 if (item->unread > 0)
1191                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread,
1192                                               add_unread_mark ? "+" : "",
1193                                               item->unreadmarked > 0 ? "!":"");
1194                 else
1195                         str = g_strdup_printf("%s (+)", name);
1196                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1197                                         xpm, mask, openxpm, openmask,
1198                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1199                 g_free(str);
1200         } else {
1201                 str = g_strdup_printf("%s%s", name,
1202                                       item->unreadmarked > 0 ? " (!)":"");
1203
1204                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1205                                         xpm, mask, openxpm, openmask,
1206                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1207                 g_free(str);
1208         }
1209         g_free(name);
1210
1211         if (!item->parent) {
1212                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1213                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1214                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1215         } else {
1216                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new));
1217                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread));
1218                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total));
1219         }
1220
1221         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1222             item->stype == F_TRASH) {
1223                 use_bold = use_color = FALSE;
1224         } else if (item->stype == F_QUEUE) {
1225                 /* highlight queue folder if there are any messages */
1226                 use_bold = use_color = (item->total > 0);
1227         } else {
1228                 /* if unread messages exist, print with bold font */
1229                 use_bold = (item->unread > 0) || add_unread_mark;
1230                 /* if new messages exist, print with colored letter */
1231                 use_color =
1232                         (item->new > 0) ||
1233                         (add_unread_mark &&
1234                          folderview_have_new_children(folderview, node));
1235         }
1236
1237         gtk_ctree_node_set_foreground(ctree, node, NULL);
1238
1239         if (use_bold && use_color) {
1240                 style = bold_color_style;
1241         } else if (use_bold) {
1242                 style = bold_style;
1243                 if (item->op_count > 0) {
1244                         style = bold_tgtfold_style;
1245                 }
1246         } else if (use_color) {
1247                 style = normal_color_style;
1248                 gtk_ctree_node_set_foreground(ctree, node,
1249                                               &folderview->color_new);
1250         } else if (item->op_count > 0) {
1251                 style = bold_tgtfold_style;
1252         } else if (item->prefs->color > 0) {
1253                 GdkColor gdk_color;
1254
1255                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1256                 color_style = gtk_style_copy(normal_style);
1257                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1258                 style = color_style;
1259         } else {
1260                 style = normal_style;
1261         }
1262
1263         gtk_ctree_node_set_row_style(ctree, node, style);
1264
1265         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1266                 folderview_update_node(folderview, node);
1267 }
1268
1269 gboolean folderview_update_item(gpointer source, gpointer data)
1270 {
1271         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1272         FolderView *folderview = (FolderView *)data;
1273         GtkCTree *ctree;
1274         GtkCTreeNode *node;
1275
1276         g_return_val_if_fail(update_info != NULL, TRUE);
1277         g_return_val_if_fail(update_info->item != NULL, TRUE);
1278         g_return_val_if_fail(folderview != NULL, FALSE);
1279
1280         ctree = GTK_CTREE(folderview->ctree);
1281
1282         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1283         if (node) {
1284                 if (update_info->update_flags & F_ITEM_UPDATE_MSGCNT)
1285                         folderview_update_node(folderview, node);
1286                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1287                         summary_show(folderview->summaryview, update_info->item);
1288         }
1289
1290         return FALSE;
1291 }
1292
1293 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1294                                       GNode *gnode, GtkCTreeNode *cnode,
1295                                       gpointer data)
1296 {
1297         FolderView *folderview = (FolderView *)data;
1298         FolderItem *item = FOLDER_ITEM(gnode->data);
1299
1300         g_return_val_if_fail(item != NULL, FALSE);
1301
1302         gtk_ctree_node_set_row_data(ctree, cnode, item);
1303         folderview_update_node(folderview, cnode);
1304
1305         return TRUE;
1306 }
1307
1308 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1309                                    gpointer data)
1310 {
1311         FolderView *folderview = (FolderView *)data;
1312         FolderItem *item;
1313
1314         if (GTK_CTREE_ROW(node)->children) {
1315                 item = gtk_ctree_node_get_row_data(ctree, node);
1316                 g_return_if_fail(item != NULL);
1317
1318                 if (!item->collapsed)
1319                         gtk_ctree_expand(ctree, node);
1320                 else
1321                         folderview_update_node(folderview, node);
1322         }
1323 }
1324
1325 #define SET_SPECIAL_FOLDER(ctree, item) \
1326 { \
1327         if (item) { \
1328                 GtkCTreeNode *node, *parent, *sibling; \
1329  \
1330                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
1331                 if (!node) \
1332                         g_warning("%s not found.\n", item->path); \
1333                 else { \
1334                         parent = GTK_CTREE_ROW(node)->parent; \
1335                         if (prev && parent == GTK_CTREE_ROW(prev)->parent) \
1336                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
1337                         else \
1338                                 sibling = GTK_CTREE_ROW(parent)->children; \
1339                         if (node != sibling) \
1340                                 gtk_ctree_move(ctree, node, parent, sibling); \
1341                 } \
1342  \
1343                 prev = node; \
1344         } \
1345 }
1346
1347 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1348                                     Folder *folder)
1349 {
1350         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1351         GtkCTreeNode *prev = NULL;
1352
1353         gtk_sctree_sort_recursive(ctree, root);
1354
1355         if (GTK_CTREE_ROW(root)->parent) return;
1356
1357         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1358         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1359         SET_SPECIAL_FOLDER(ctree, folder->draft);
1360         SET_SPECIAL_FOLDER(ctree, folder->queue);
1361         SET_SPECIAL_FOLDER(ctree, folder->trash);
1362 }
1363
1364 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1365 {
1366         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1367         GtkCTreeNode *root;
1368
1369         g_return_if_fail(folder != NULL);
1370
1371         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1372                                       folderview_gnode_func, folderview);
1373         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1374                                 folderview);
1375         folderview_sort_folders(folderview, root, folder);
1376 }
1377
1378 void folderview_new_folder(FolderView *folderview)
1379 {
1380         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1381         FolderItem *item;
1382
1383         if (!folderview->selected) return;
1384
1385         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1386         g_return_if_fail(item != NULL);
1387         g_return_if_fail(item->folder != NULL);
1388
1389         switch (item->folder->type) {
1390         case F_MBOX:
1391                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1392                 break;
1393         case F_MH:
1394         case F_MAILDIR:
1395                 folderview_new_folder_cb(folderview, 0, NULL);
1396                 break;
1397         case F_IMAP:
1398                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1399                 break;
1400         case F_NEWS:
1401         default:
1402                 break;
1403         }
1404 }
1405
1406 void folderview_rename_folder(FolderView *folderview)
1407 {
1408         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1409         FolderItem *item;
1410
1411         if (!folderview->selected) return;
1412
1413         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1414         g_return_if_fail(item != NULL);
1415         g_return_if_fail(item->folder != NULL);
1416         if (!item->path) return;
1417         if (item->stype != F_NORMAL) return;
1418
1419         switch (item->folder->type) {
1420         case F_MBOX:
1421                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1422         case F_MH:
1423         case F_MAILDIR:
1424         case F_IMAP:
1425                 folderview_rename_folder_cb(folderview, 0, NULL);
1426                 break;
1427         case F_NEWS:
1428         default:
1429                 break;
1430         }
1431 }
1432
1433 void folderview_delete_folder(FolderView *folderview)
1434 {
1435         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1436         FolderItem *item;
1437
1438         if (!folderview->selected) return;
1439
1440         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1441         g_return_if_fail(item != NULL);
1442         g_return_if_fail(item->folder != NULL);
1443         if (!item->path) return;
1444         if (item->stype != F_NORMAL) return;
1445
1446         switch (item->folder->type) {
1447         case F_MH:
1448         case F_MBOX:
1449         case F_MAILDIR:
1450         case F_IMAP:
1451                 folderview_delete_folder_cb(folderview, 0, NULL);
1452                 break;
1453         case F_NEWS:
1454         default:
1455                 break;
1456         }
1457 }
1458
1459
1460 /* callback functions */
1461
1462 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1463                                       FolderView *folderview)
1464 {
1465         GtkCList *clist = GTK_CLIST(ctree);
1466         gint prev_row = -1, row = -1, column = -1;
1467         FolderItem *item;
1468         Folder *folder;
1469         GtkWidget *popup;
1470         gboolean mark_all_read   = FALSE;
1471         gboolean new_folder      = FALSE;
1472         gboolean rename_folder   = FALSE;
1473         gboolean move_folder     = FALSE;
1474         gboolean delete_folder   = FALSE;
1475         gboolean update_tree     = FALSE;
1476         gboolean rescan_tree     = FALSE;
1477         gboolean remove_tree     = FALSE;
1478         gboolean search_folder   = FALSE;
1479         gboolean folder_property = FALSE;
1480         gboolean folder_processing  = FALSE;
1481         gboolean folder_scoring  = FALSE;
1482
1483         if (!event) return;
1484
1485         if (event->button == 1) {
1486                 folderview->open_folder = TRUE;
1487                 return;
1488         }
1489
1490         if (event->button == 2 || event->button == 3) {
1491                 /* right clicked */
1492                 if (clist->selection) {
1493                         GtkCTreeNode *node;
1494
1495                         node = GTK_CTREE_NODE(clist->selection->data);
1496                         if (node)
1497                                 prev_row = gtkut_ctree_get_nth_from_node
1498                                         (GTK_CTREE(ctree), node);
1499                 }
1500
1501                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1502                                                   &row, &column))
1503                         return;
1504                 if (prev_row != row) {
1505                         gtk_clist_unselect_all(clist);
1506                         if (event->button == 2)
1507                                 folderview_select_node
1508                                         (folderview,
1509                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1510                                                             row));
1511                         else
1512                                 gtk_clist_select_row(clist, row, column);
1513                 }
1514         }
1515
1516         if (event->button != 3) return;
1517
1518         item = gtk_clist_get_row_data(clist, row);
1519         g_return_if_fail(item != NULL);
1520         g_return_if_fail(item->folder != NULL);
1521         folder = item->folder;
1522
1523         if (folderview->mainwin->lock_count == 0) {
1524                 new_folder = TRUE;
1525                 if (item->parent == NULL) {
1526                         update_tree = remove_tree = TRUE;
1527                         if (folder->account)
1528                                 folder_property = TRUE;
1529                 } else
1530                         mark_all_read = search_folder = folder_property = TRUE;
1531
1532                 if (FOLDER_IS_LOCAL(folder) || FOLDER_TYPE(folder) == F_IMAP || FOLDER_TYPE(folder) == F_MBOX) {
1533                         if (item->parent == NULL)
1534                                 update_tree = rescan_tree = TRUE;
1535                         else if (item->stype == F_NORMAL)
1536                                 move_folder = rename_folder = delete_folder = folder_scoring = folder_processing = TRUE;
1537                         else if (item->stype == F_INBOX)
1538                                 folder_scoring = folder_processing = TRUE;
1539                         else if (item->stype == F_TRASH)
1540                                 folder_processing = TRUE;
1541                         else if (item->stype == F_OUTBOX)
1542                                 folder_processing = TRUE;
1543                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
1544                         if (item->parent != NULL)
1545                                 delete_folder = folder_scoring = folder_processing = TRUE;
1546                 }
1547                 if (item->unread < 1)
1548                         mark_all_read = FALSE;
1549         }
1550
1551 #define SET_SENS(factory, name, sens) \
1552         menu_set_sensitive(folderview->factory, name, sens)
1553
1554         mark_all_read = mark_all_read &&
1555                         (item == folderview->summaryview->folder_item);
1556
1557         if (FOLDER_IS_LOCAL(folder)) {
1558                 popup = folderview->mail_popup;
1559                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1560                 SET_SENS(mail_factory, "/Mark all read", mark_all_read);
1561                 SET_SENS(mail_factory, "/Create new folder...", new_folder);
1562                 SET_SENS(mail_factory, "/Rename folder...", rename_folder);
1563                 SET_SENS(mail_factory, "/Move folder...", move_folder);
1564                 SET_SENS(mail_factory, "/Delete folder", delete_folder);
1565                 SET_SENS(mail_factory, "/Check for new messages", update_tree);
1566                 SET_SENS(mail_factory, "/Rebuild folder tree", rescan_tree);
1567                 SET_SENS(mail_factory, "/Remove mailbox", remove_tree);
1568                 SET_SENS(mail_factory, "/Search folder...", search_folder);
1569                 SET_SENS(mail_factory, "/Properties...", folder_property);
1570                 SET_SENS(mail_factory, "/Processing...", folder_processing);
1571                 SET_SENS(mail_factory, "/Scoring...", folder_scoring);
1572         } else if (FOLDER_TYPE(folder) == F_IMAP) {
1573                 popup = folderview->imap_popup;
1574                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1575                 SET_SENS(imap_factory, "/Mark all read", mark_all_read);
1576                 SET_SENS(imap_factory, "/Create new folder...", new_folder);
1577                 SET_SENS(imap_factory, "/Rename folder...", rename_folder);
1578                 SET_SENS(imap_factory, "/Move folder...", move_folder);
1579                 SET_SENS(imap_factory, "/Delete folder", delete_folder);
1580                 SET_SENS(imap_factory, "/Check for new messages", update_tree);
1581                 SET_SENS(imap_factory, "/Rebuild folder tree", rescan_tree);
1582                 SET_SENS(imap_factory, "/Remove IMAP4 account", remove_tree);
1583                 SET_SENS(imap_factory, "/Search folder...", search_folder);
1584                 SET_SENS(imap_factory, "/Properties...", folder_property);
1585                 SET_SENS(imap_factory, "/Processing...", folder_processing);
1586                 SET_SENS(imap_factory, "/Scoring...", folder_scoring);
1587         } else if (FOLDER_TYPE(folder) == F_NEWS) {
1588                 popup = folderview->news_popup;
1589                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1590                 SET_SENS(news_factory, "/Mark all read", mark_all_read);
1591                 SET_SENS(news_factory, "/Subscribe to newsgroup...", new_folder);
1592                 SET_SENS(news_factory, "/Remove newsgroup", delete_folder);
1593                 SET_SENS(news_factory, "/Check for new messages", update_tree);
1594                 SET_SENS(news_factory, "/Remove news account", remove_tree);
1595                 SET_SENS(news_factory, "/Search folder...", search_folder);
1596                 SET_SENS(news_factory, "/Properties...", folder_property);
1597                 SET_SENS(news_factory, "/Processing...", folder_processing);
1598                 SET_SENS(news_factory, "/Scoring...", folder_scoring);
1599         } else if (FOLDER_TYPE(folder) == F_MBOX) {
1600                 popup = folderview->mbox_popup;
1601                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1602                 SET_SENS(mbox_factory, "/Create new folder...", new_folder);
1603                 SET_SENS(mbox_factory, "/Rename folder...", rename_folder);
1604                 SET_SENS(mbox_factory, "/Move folder...", move_folder);
1605                 SET_SENS(mbox_factory, "/Delete folder", delete_folder);
1606                 SET_SENS(news_factory, "/Properties...", folder_property);
1607                 SET_SENS(mbox_factory, "/Processing...", folder_processing);
1608                 SET_SENS(mbox_factory, "/Scoring...", folder_scoring);
1609         } else
1610                 return;
1611
1612 #undef SET_SENS
1613
1614         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1615                        event->button, event->time);
1616 }
1617
1618 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1619                                        FolderView *folderview)
1620 {
1621         if (!event) return;
1622
1623         if (event->button == 1 && folderview->open_folder == FALSE &&
1624             folderview->opened != NULL) {
1625                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1626                                           folderview->opened);
1627                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1628         }
1629 }
1630
1631 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1632                                    FolderView *folderview)
1633 {
1634         if (!event) return;
1635
1636         switch (event->keyval) {
1637         case GDK_Return:
1638                 if (folderview->selected) {
1639                         folderview_select_node(folderview,
1640                                                folderview->selected);
1641                 }
1642                 break;
1643         case GDK_space:
1644                 if (folderview->selected) {
1645                         if (folderview->opened == folderview->selected &&
1646                             folderview->summaryview->messages == 0)
1647                                 folderview_select_next_unread(folderview);
1648                         else
1649                                 folderview_select_node(folderview,
1650                                                        folderview->selected);
1651                 }
1652                 break;
1653         default:
1654                 break;
1655         }
1656 }
1657
1658 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1659                                 gint column, FolderView *folderview)
1660 {
1661         static gboolean can_select = TRUE;      /* exclusive lock */
1662         gboolean opened;
1663         FolderItem *item;
1664         gchar *buf;
1665
1666         folderview->selected = row;
1667
1668         if (folderview->opened == row) {
1669                 folderview->open_folder = FALSE;
1670                 return;
1671         }
1672
1673         if (!can_select || summary_is_locked(folderview->summaryview)) {
1674                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1675                 gtk_ctree_select(ctree, folderview->opened);
1676                 return;
1677         }
1678
1679         if (!folderview->open_folder) return;
1680
1681         item = gtk_ctree_node_get_row_data(ctree, row);
1682         if (!item) return;
1683
1684         can_select = FALSE;
1685
1686         /* Save cache for old folder */
1687         /* We don't want to lose all caches if sylpheed crashed */
1688         if (folderview->opened) {
1689                 FolderItem *olditem;
1690
1691                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1692                 if (olditem) {
1693                         /* will be null if we just moved the previously opened folder */
1694                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1695                         folder_item_close(olditem);
1696                 }
1697         }
1698
1699         /* CLAWS: set compose button type: news folder items
1700          * always have a news folder as parent */
1701         if (item->folder)
1702                 toolbar_set_compose_button
1703                         (folderview->mainwin->toolbar,
1704                          item->folder->type == F_NEWS ?
1705                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1706
1707         if (item->path)
1708                 debug_print("Folder %s is selected\n", item->path);
1709
1710         if (!GTK_CTREE_ROW(row)->children)
1711                 gtk_ctree_expand(ctree, row);
1712         if (folderview->opened &&
1713             !GTK_CTREE_ROW(folderview->opened)->children)
1714                 gtk_ctree_collapse(ctree, folderview->opened);
1715
1716         /* ungrab the mouse event */
1717         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1718                 gtk_grab_remove(GTK_WIDGET(ctree));
1719                 if (gdk_pointer_is_grabbed())
1720                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1721         }
1722
1723         /* Open Folder */
1724         buf = g_strdup_printf(_("Opening Folder %s..."), item->path);
1725         debug_print("%s\n", buf);
1726         STATUSBAR_PUSH(folderview->mainwin, buf);
1727         g_free(buf);
1728
1729         main_window_cursor_wait(folderview->mainwin);
1730
1731         if (folder_item_open(item) != 0) {
1732                 main_window_cursor_normal(folderview->mainwin);
1733                 STATUSBAR_POP(folderview->mainwin);
1734
1735                 alertpanel_error(_("Folder could not be opened."));
1736
1737                 return;
1738         }
1739
1740         main_window_cursor_normal(folderview->mainwin);
1741
1742         /* Show messages */
1743         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1744         opened = summary_show(folderview->summaryview, item);
1745
1746         folder_clean_cache_memory();
1747
1748         if (!opened) {
1749                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1750                 gtk_ctree_select(ctree, folderview->opened);
1751         } else {
1752                 folderview->opened = row;
1753                 if (gtk_ctree_node_is_visible(ctree, row)
1754                     != GTK_VISIBILITY_FULL)
1755                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1756         }
1757
1758         STATUSBAR_POP(folderview->mainwin);
1759
1760         folderview->open_folder = FALSE;
1761         can_select = TRUE;
1762 }
1763
1764 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1765                                      FolderView *folderview)
1766 {
1767         FolderItem *item;
1768
1769         item = gtk_ctree_node_get_row_data(ctree, node);
1770         g_return_if_fail(item != NULL);
1771         item->collapsed = FALSE;
1772         folderview_update_node(folderview, node);
1773 }
1774
1775 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1776                                       FolderView *folderview)
1777 {
1778         FolderItem *item;
1779
1780         item = gtk_ctree_node_get_row_data(ctree, node);
1781         g_return_if_fail(item != NULL);
1782         item->collapsed= TRUE;
1783         folderview_update_node(folderview, node);
1784 }
1785
1786 static void folderview_popup_close(GtkMenuShell *menu_shell,
1787                                    FolderView *folderview)
1788 {
1789         if (!folderview->opened) return;
1790
1791         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1792                                   folderview->opened);
1793         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1794 }
1795
1796 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1797                                    FolderView *folderview)
1798 {
1799         switch (column) {
1800         case COL_FOLDER:
1801                 prefs_common.folder_col_folder = width;
1802                 break;
1803         case COL_NEW:
1804                 prefs_common.folder_col_new = width;
1805                 break;
1806         case COL_UNREAD:
1807                 prefs_common.folder_col_unread = width;
1808                 break;
1809         case COL_TOTAL:
1810                 prefs_common.folder_col_total = width;
1811                 break;
1812         default:
1813                 break;
1814         }
1815 }
1816
1817 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1818                                              GtkCTreeNode *node,
1819                                              const gchar *name)
1820 {
1821         FolderItem *item;
1822
1823         if (!node)
1824                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1825         if (!node)
1826                 return NULL;
1827
1828         node = GTK_CTREE_ROW(node)->children;
1829
1830         while (node) {
1831                 item = gtk_ctree_node_get_row_data(ctree, node);
1832                 if (!folderview_compare_name(item, name))
1833                         return node;
1834                 node = GTK_CTREE_ROW(node)->sibling;
1835         }
1836
1837         return NULL;
1838 }
1839
1840 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1841                                       GtkWidget *widget)
1842 {
1843         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1844         FolderItem *item;
1845
1846         if (!folderview->selected) return;
1847
1848         summary_show(folderview->summaryview, NULL);
1849
1850         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1851         g_return_if_fail(item != NULL);
1852         g_return_if_fail(item->folder != NULL);
1853
1854         if (action == 0)
1855                 folderview_check_new(item->folder);
1856         else
1857                 folderview_rescan_tree(item->folder);
1858 }
1859
1860 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1861 {
1862         GNode *srcnode;
1863
1864         folderview_create_folder_node(folderview, item);
1865
1866         srcnode = item->folder->node;
1867         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1868         srcnode = srcnode->children;
1869         while (srcnode != NULL) {
1870                 if (srcnode && srcnode->data) {
1871                         FolderItem *next_item = (FolderItem*) srcnode->data;
1872                         folderview_create_folder_node_recursive(folderview, next_item);
1873                 }
1874                 srcnode = srcnode->next;
1875         }
1876 }
1877
1878 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1879 {
1880         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1881         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1882         GtkCTreeNode *node, *parent_node;
1883
1884         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, item->parent);
1885
1886         gtk_clist_freeze(GTK_CLIST(ctree));
1887
1888         text[COL_FOLDER] = item->name;
1889         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1890                                      FOLDER_SPACING,
1891                                      folderxpm, folderxpmmask,
1892                                      folderopenxpm, folderopenxpmmask,
1893                                      FALSE, FALSE);
1894         gtk_ctree_expand(ctree, parent_node);
1895         gtk_ctree_node_set_row_data(ctree, node, item);
1896         if (normal_style)
1897                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1898         folderview_sort_folders(folderview, folderview->selected, item->folder);
1899
1900         gtk_clist_thaw(GTK_CLIST(ctree));
1901 }
1902
1903 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1904                                      GtkWidget *widget)
1905 {
1906         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1907         FolderItem *item;
1908         FolderItem *new_item;
1909         gchar *new_folder;
1910         gchar *name, *name_;
1911
1912         if (!folderview->selected) return;
1913
1914         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1915         g_return_if_fail(item != NULL);
1916         g_return_if_fail(item->folder != NULL);
1917
1918         new_folder = input_dialog(_("New folder"),
1919                                   _("Input the name of new folder:"),
1920                                   _("NewFolder"));
1921         if (!new_folder) return;
1922
1923         if (item->folder->type != F_MBOX) {
1924                 if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1925                         alertpanel_error(_("`%c' can't be included in folder name."),
1926                                          G_DIR_SEPARATOR);
1927                         g_free(new_folder);
1928                         return;
1929                 }
1930         }
1931
1932         name_ = trim_string(new_folder, 32);
1933         Xstrdup_a(name, name_, {g_free(new_folder); return;});
1934         g_free(name_);
1935
1936         /* find whether the directory already exists */
1937         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1938                 alertpanel_error(_("The folder `%s' already exists."), name);
1939                 g_free(new_folder);
1940                 return;
1941         }
1942
1943         new_item = folder_create_folder(item, new_folder);
1944         if (!new_item) {
1945                 alertpanel_error(_("Can't create the folder `%s'."), name);
1946                 g_free(new_folder);
1947                 return;
1948         }
1949         g_free(new_folder);
1950
1951         folderview_create_folder_node(folderview, new_item);
1952
1953         folder_write_list();
1954 }
1955
1956 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1957                                           GtkWidget *widget)
1958 {
1959         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1960         FolderItem *item;
1961         FolderItem *new_item;
1962         gchar *new_folder;
1963
1964         if (!folderview->selected) return;
1965
1966         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1967         g_return_if_fail(item != NULL);
1968         g_return_if_fail(item->folder != NULL);
1969
1970         new_folder = input_dialog(_("New folder"),
1971                                   _("Input the name of new folder:"),
1972                                   _("NewFolder"));
1973         if (!new_folder) return;
1974
1975         /* find whether the directory already exists */
1976         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1977                 alertpanel_error(_("The folder `%s' already exists."),
1978                                  new_folder);
1979                 g_free(new_folder);
1980                 return;
1981         }
1982
1983         new_item = folder_create_folder(item, new_folder);
1984         g_free(new_folder);
1985         if (!new_item) return;
1986
1987         folderview_create_folder_node(folderview, new_item);
1988
1989         folder_write_list();
1990 }
1991
1992 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1993                                         GtkWidget *widget)
1994 {
1995         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1996         FolderItem *item;
1997         gchar *new_folder;
1998         gchar *name, *name_;
1999         gchar *message;
2000         gchar *old_path;
2001         gchar *old_id;
2002         gchar *new_id;
2003
2004         if (!folderview->selected) return;
2005
2006         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2007         g_return_if_fail(item != NULL);
2008         g_return_if_fail(item->path != NULL);
2009         g_return_if_fail(item->folder != NULL);
2010
2011         name_ = trim_string(item->name, 32);
2012         Xstrdup_a(name, name_, return);
2013         g_free(name_);
2014         message = g_strdup_printf(_("Input new name for `%s':"), name);
2015         new_folder = input_dialog(_("Rename folder"), message,
2016                                   g_basename(item->path));
2017         g_free(message);
2018         if (!new_folder) return;
2019
2020         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
2021                 alertpanel_error(_("`%c' can't be included in folder name."),
2022                                  G_DIR_SEPARATOR);
2023                 g_free(new_folder);
2024                 return;
2025         }
2026
2027         if (folderview_find_by_name
2028                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2029                  new_folder)) {
2030                 name = trim_string(new_folder, 32);
2031                 alertpanel_error(_("The folder `%s' already exists."), name);
2032                 g_free(name);
2033                 g_free(new_folder);
2034                 return;
2035         }
2036
2037         Xstrdup_a(old_path, item->path, {g_free(new_folder); return;});
2038         old_id = folder_item_get_identifier(item);
2039
2040         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
2041                 g_free(old_id);
2042                 g_free(new_folder);
2043                 return;
2044         }
2045         g_free(new_folder);
2046
2047         /* if (FOLDER_TYPE(item->folder) == F_MH)
2048                 prefs_filtering_rename_path(old_path, item->path); */
2049         new_id = folder_item_get_identifier(item);
2050         prefs_filtering_rename_path(old_id, new_id);
2051
2052         g_free(old_id);
2053         g_free(new_id);
2054
2055         gtk_clist_freeze(GTK_CLIST(ctree));
2056
2057         folderview_update_node(folderview, folderview->selected);
2058         folderview_sort_folders(folderview,
2059                                 GTK_CTREE_ROW(folderview->selected)->parent,
2060                                 item->folder);
2061         if (folderview->opened == folderview->selected ||
2062             gtk_ctree_is_ancestor(ctree,
2063                                   folderview->selected,
2064                                   folderview->opened)) {
2065                 GtkCTreeNode *node = folderview->opened;
2066                 folderview_unselect(folderview);
2067                 folderview_select_node(folderview, node);
2068         }
2069
2070         gtk_clist_thaw(GTK_CLIST(ctree));
2071
2072         folder_write_list();
2073 }
2074
2075 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
2076                                              guint action,
2077                                              GtkWidget *widget)
2078 {
2079         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2080         FolderItem *item;
2081         gchar *new_folder;
2082         gchar *message;
2083
2084         if (!folderview->selected) return;
2085
2086         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2087         g_return_if_fail(item != NULL);
2088         g_return_if_fail(item->path != NULL);
2089         g_return_if_fail(item->folder != NULL);
2090
2091         message = g_strdup_printf(_("Input new name for `%s':"),
2092                                   g_basename(item->path));
2093         new_folder = input_dialog(_("Rename folder"), message,
2094                                   g_basename(item->path));
2095         g_free(message);
2096         if (!new_folder) return;
2097
2098         if (folderview_find_by_name
2099                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2100                  new_folder)) {
2101                 alertpanel_error(_("The folder `%s' already exists."),
2102                                  new_folder);
2103                 g_free(new_folder);
2104                 return;
2105         }
2106
2107         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
2108                 g_free(new_folder);
2109                 return;
2110         }
2111         g_free(new_folder);
2112
2113         gtk_clist_freeze(GTK_CLIST(ctree));
2114
2115         folderview_update_node(folderview, folderview->selected);
2116         folderview_sort_folders(folderview,
2117                                 GTK_CTREE_ROW(folderview->selected)->parent,
2118                                 item->folder);
2119         if (folderview->opened == folderview->selected) {
2120                 if (!GTK_CTREE_ROW(folderview->opened)->children)
2121                         gtk_ctree_expand(ctree, folderview->opened);
2122                 summary_show(folderview->summaryview, item);
2123         }
2124
2125         gtk_clist_thaw(GTK_CLIST(ctree));
2126
2127         folder_write_list();
2128 }
2129
2130 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
2131                                         GtkWidget *widget)
2132 {
2133         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2134         FolderItem *item;
2135         gchar *message, *name, *name_;
2136         AlertValue avalue;
2137         gchar *old_path;
2138         gchar *old_id;
2139
2140         if (!folderview->selected) return;
2141
2142         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2143         g_return_if_fail(item != NULL);
2144         g_return_if_fail(item->path != NULL);
2145         g_return_if_fail(item->folder != NULL);
2146
2147         name_ = trim_string(item->name, 32);
2148         Xstrdup_a(name, name_, return);
2149         g_free(name_);
2150         message = g_strdup_printf
2151                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
2152                    "Do you really want to delete?"), name);
2153         avalue = alertpanel(_("Delete folder"), message,
2154                             _("Yes"), _("+No"), NULL);
2155         g_free(message);
2156         if (avalue != G_ALERTDEFAULT) return;
2157
2158         Xstrdup_a(old_path, item->path, return);
2159         old_id = folder_item_get_identifier(item);
2160
2161         if (item->folder->remove_folder(item->folder, item) < 0) {
2162                 alertpanel_error(_("Can't remove the folder `%s'."), name);
2163                 if (folderview->opened == folderview->selected)
2164                         summary_show(folderview->summaryview,
2165                                      folderview->summaryview->folder_item);
2166                 g_free(old_id);
2167                 return;
2168         }
2169
2170         /* if (FOLDER_TYPE(item->folder) == F_MH)
2171                 prefs_filtering_delete_path(old_path); */
2172
2173         if (folderview->opened == folderview->selected ||
2174             gtk_ctree_is_ancestor(ctree,
2175                                   folderview->selected,
2176                                   folderview->opened)) {
2177                 summary_clear_all(folderview->summaryview);
2178                 folderview->opened = NULL;
2179         }
2180
2181         gtk_ctree_remove_node(ctree, folderview->selected);
2182         folder_write_list();
2183
2184         prefs_filtering_delete_path(old_id);
2185         g_free(old_id);
2186
2187 }
2188
2189 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
2190                                          GtkWidget *widget)
2191 {
2192         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2193         GtkCTreeNode *node;
2194         FolderItem *item;
2195         gchar *name, *name_;
2196         gchar *message;
2197         AlertValue avalue;
2198
2199         if (!folderview->selected) return;
2200         node = folderview->selected;
2201         item = gtk_ctree_node_get_row_data(ctree, node);
2202         g_return_if_fail(item != NULL);
2203         g_return_if_fail(item->folder != NULL);
2204         if (item->parent) return;
2205
2206         name_ = trim_string(item->folder->name, 32);
2207         Xstrdup_a(name, name_, return);
2208         g_free(name_);
2209         message = g_strdup_printf
2210                 (_("Really remove the mailbox `%s' ?\n"
2211                    "(The messages are NOT deleted from the disk)"), name);
2212         avalue = alertpanel(_("Remove mailbox"), message,
2213                             _("Yes"), _("+No"), NULL);
2214         g_free(message);
2215         if (avalue != G_ALERTDEFAULT) return;
2216
2217         folder_destroy(item->folder);
2218         summary_clear_all(folderview->summaryview);
2219         folderview_unselect(folderview);
2220         gtk_ctree_remove_node(ctree, node);
2221         folder_write_list();
2222 }
2223
2224 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
2225                                           GtkWidget *widget)
2226 {
2227         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2228         FolderItem *item;
2229         FolderItem *new_item;
2230         gchar *new_folder;
2231         gchar *name, *name_;
2232         gchar *p;
2233
2234         if (!folderview->selected) return;
2235
2236         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2237         g_return_if_fail(item != NULL);
2238         g_return_if_fail(item->folder != NULL);
2239         g_return_if_fail(item->folder->type == F_IMAP);
2240         g_return_if_fail(item->folder->account != NULL);
2241
2242         new_folder = input_dialog
2243                 (_("New folder"),
2244                  _("Input the name of new folder:\n"
2245                    "(if you want to create a folder to store subfolders,\n"
2246                    " append `/' at the end of the name)"),
2247                  _("NewFolder"));
2248         if (!new_folder) return;
2249
2250         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
2251             *(p + 1) != '\0') {
2252                 alertpanel_error(_("`%c' can't be included in folder name."),
2253                                  G_DIR_SEPARATOR);
2254                 g_free(new_folder);
2255                 return;
2256         }
2257
2258         name_ = trim_string(new_folder, 32);
2259         Xstrdup_a(name, name_, return);
2260         g_free(name_);
2261
2262         /* find whether the directory already exists */
2263         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
2264                 alertpanel_error(_("The folder `%s' already exists."), name);
2265                 g_free(new_folder);
2266                 return;
2267         }
2268
2269         new_item = folder_create_folder(item, new_folder);
2270         if (!new_item) {
2271                 alertpanel_error(_("Can't create the folder `%s'."), name);
2272                 g_free(new_folder);
2273                 return;
2274         }
2275         g_free(new_folder);
2276
2277         folderview_create_folder_node(folderview, new_item);
2278
2279         folder_write_list();
2280 }
2281
2282 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
2283                                          GtkWidget *widget)
2284 {
2285         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2286         FolderItem *item;
2287         PrefsAccount *account;
2288         gchar *name, *name_;
2289         gchar *message;
2290         AlertValue avalue;
2291
2292         if (!folderview->selected) return;
2293
2294         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2295         g_return_if_fail(item != NULL);
2296         g_return_if_fail(item->folder != NULL);
2297         g_return_if_fail(item->folder->type == F_IMAP);
2298         g_return_if_fail(item->folder->account != NULL);
2299
2300         name_ = trim_string(item->folder->name, 32);
2301         Xstrdup_a(name, name_, return);
2302         g_free(name_);
2303         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"), name);
2304         avalue = alertpanel(_("Delete IMAP4 account"), message,
2305                             _("Yes"), _("+No"), NULL);
2306         g_free(message);
2307
2308         if (avalue != G_ALERTDEFAULT) return;
2309
2310         if (folderview->opened == folderview->selected ||
2311             gtk_ctree_is_ancestor(ctree,
2312                                   folderview->selected,
2313                                   folderview->opened)) {
2314                 summary_clear_all(folderview->summaryview);
2315                 folderview->opened = NULL;
2316         }
2317
2318         account = item->folder->account;
2319         folder_destroy(item->folder);
2320         account_destroy(account);
2321         gtk_ctree_remove_node(ctree, folderview->selected);
2322         account_set_menu();
2323         main_window_reflect_prefs_all();
2324         folder_write_list();
2325 }
2326
2327 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
2328                                          GtkWidget *widget)
2329 {
2330         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2331         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2332         GtkCTreeNode *servernode, *node;
2333         Folder *folder;
2334         FolderItem *item;
2335         FolderItem *rootitem;
2336         FolderItem *newitem;
2337         GSList *new_subscr;
2338         GSList *cur;
2339         GNode *gnode;
2340
2341         if (!folderview->selected) return;
2342
2343         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2344         g_return_if_fail(item != NULL);
2345         folder = item->folder;
2346         g_return_if_fail(folder != NULL);
2347         g_return_if_fail(folder->type == F_NEWS);
2348         g_return_if_fail(folder->account != NULL);
2349
2350         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
2351                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
2352         else
2353                 servernode = folderview->selected;
2354
2355         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
2356
2357         new_subscr = grouplist_dialog(folder);
2358
2359         /* remove unsubscribed newsgroups */
2360         for (gnode = folder->node->children; gnode != NULL; ) {
2361                 GNode *next = gnode->next;
2362
2363                 item = FOLDER_ITEM(gnode->data);
2364                 if (g_slist_find_custom(new_subscr, item->path,
2365                                         (GCompareFunc)g_strcasecmp) != NULL) {
2366                         gnode = next;
2367                         continue;
2368                 }
2369
2370                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
2371                 if (!node) {
2372                         gnode = next;
2373                         continue;
2374                 }
2375
2376                 if (folderview->opened == node) {
2377                         summary_clear_all(folderview->summaryview);
2378                         folderview->opened = NULL;
2379                 }
2380
2381                 folder_item_remove(item);
2382                 gtk_ctree_remove_node(ctree, node);
2383
2384                 gnode = next;
2385         }
2386
2387         gtk_clist_freeze(GTK_CLIST(ctree));
2388
2389         /* add subscribed newsgroups */
2390         for (cur = new_subscr; cur != NULL; cur = cur->next) {
2391                 gchar *name = (gchar *)cur->data;
2392
2393                 if (folderview_find_by_name(ctree, servernode, name) != NULL)
2394                         continue;
2395
2396                 text[COL_FOLDER] = name;
2397                 node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
2398                                              FOLDER_SPACING,
2399                                              folderxpm, folderxpmmask,
2400                                              folderopenxpm, folderopenxpmmask,
2401                                              FALSE, FALSE);
2402                 gtk_ctree_expand(ctree, servernode);
2403
2404                 newitem = folder_item_new(folder, name, name);
2405                 folder_item_append(rootitem, newitem);
2406                 gtk_ctree_node_set_row_data(ctree, node, newitem);
2407         }
2408
2409         folderview_sort_folders(folderview, servernode, folder);
2410         gtk_clist_thaw(GTK_CLIST(ctree));
2411
2412         slist_free_strings(new_subscr);
2413         g_slist_free(new_subscr);
2414
2415         folder_write_list();
2416 }
2417
2418 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
2419                                         GtkWidget *widget)
2420 {
2421         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2422         FolderItem *item;
2423         gchar *name, *name_;
2424         gchar *message;
2425         AlertValue avalue;
2426
2427         if (!folderview->selected) return;
2428
2429         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2430         g_return_if_fail(item != NULL);
2431         g_return_if_fail(item->folder != NULL);
2432         g_return_if_fail(item->folder->type == F_NEWS);
2433         g_return_if_fail(item->folder->account != NULL);
2434
2435         name_ = trim_string(item->path, 32);
2436         Xstrdup_a(name, name_, return);
2437         g_free(name_);
2438         message = g_strdup_printf(_("Really delete newsgroup `%s'?"), name);
2439         avalue = alertpanel(_("Delete newsgroup"), message,
2440                             _("Yes"), _("+No"), NULL);
2441         g_free(message);
2442         if (avalue != G_ALERTDEFAULT) return;
2443
2444         if (folderview->opened == folderview->selected) {
2445                 summary_clear_all(folderview->summaryview);
2446                 folderview->opened = NULL;
2447         }
2448
2449         folder_item_remove(item);
2450         gtk_ctree_remove_node(ctree, folderview->selected);
2451         folder_write_list();
2452 }
2453
2454 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
2455                                          GtkWidget *widget)
2456 {
2457         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2458         FolderItem *item;
2459         PrefsAccount *account;
2460         gchar *name, *name_;
2461         gchar *message;
2462         AlertValue avalue;
2463
2464         if (!folderview->selected) return;
2465
2466         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2467         g_return_if_fail(item != NULL);
2468         g_return_if_fail(item->folder != NULL);
2469         g_return_if_fail(item->folder->type == F_NEWS);
2470         g_return_if_fail(item->folder->account != NULL);
2471
2472         name_ = trim_string(item->folder->name, 32);
2473         Xstrdup_a(name, name_, return);
2474         g_free(name_);
2475         message = g_strdup_printf(_("Really delete news account `%s'?"), name);
2476         avalue = alertpanel(_("Delete news account"), message,
2477                             _("Yes"), _("+No"), NULL);
2478         g_free(message);
2479
2480         if (avalue != G_ALERTDEFAULT) return;
2481
2482         if (folderview->opened == folderview->selected ||
2483             gtk_ctree_is_ancestor(ctree,
2484                                   folderview->selected,
2485                                   folderview->opened)) {
2486                 summary_clear_all(folderview->summaryview);
2487                 folderview->opened = NULL;
2488         }
2489
2490         account = item->folder->account;
2491         folder_destroy(item->folder);
2492         account_destroy(account);
2493         gtk_ctree_remove_node(ctree, folderview->selected);
2494         account_set_menu();
2495         main_window_reflect_prefs_all();
2496         folder_write_list();
2497 }
2498
2499 static void folderview_search_cb(FolderView *folderview, guint action,
2500                                  GtkWidget *widget)
2501 {
2502         summary_search(folderview->summaryview);
2503 }
2504
2505 static void folderview_property_cb(FolderView *folderview, guint action,
2506                                    GtkWidget *widget)
2507 {
2508         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2509         FolderItem *item;
2510
2511         if (!folderview->selected) return;
2512
2513         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2514         g_return_if_fail(item != NULL);
2515         g_return_if_fail(item->folder != NULL);
2516
2517         if (item->parent == NULL && item->folder->account)
2518                 account_open(item->folder->account);
2519         else
2520                 prefs_folder_item_create(folderview, item);
2521 }
2522
2523 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2524 {
2525         GSList *list = NULL;
2526         GSList *done = NULL;
2527         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2528
2529         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2530                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2531                 &&  list->data != node) {
2532                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2533                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2534                 }
2535         }
2536         for (list = done; list != NULL; list = g_slist_next(list)) {
2537                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2538                                                                  list->data);
2539         }
2540         g_slist_free(done);
2541 }
2542
2543 static void folderview_move_to_cb(FolderView *folderview)
2544 {
2545         FolderItem *from_folder = NULL, *to_folder = NULL;
2546
2547         if (folderview->selected)
2548                 from_folder = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree), folderview->selected);
2549         if (!from_folder || from_folder->folder->type == F_NEWS)
2550                 return;
2551
2552         to_folder = foldersel_folder_sel(from_folder->folder, FOLDER_SEL_MOVE, NULL);
2553
2554         if (!to_folder || to_folder->folder->type == F_NEWS)
2555                 return;
2556
2557         folderview_move_to(folderview, from_folder, to_folder);
2558 }
2559
2560 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
2561                                FolderItem *to_folder)
2562 {
2563         FolderItem *from_parent = NULL;
2564         FolderItem *new_folder = NULL;
2565         GtkCTreeNode *src_node = NULL;
2566         gchar *buf;
2567         gint status;
2568
2569         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2570         from_parent = from_folder->parent;
2571         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2572         STATUSBAR_PUSH(folderview->mainwin, buf);
2573         g_free(buf);
2574         summary_clear_all(folderview->summaryview);
2575         folderview->opened = NULL;
2576         folderview->selected = NULL;
2577         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2578         inc_lock();
2579         main_window_cursor_wait(folderview->mainwin);
2580         statusbar_verbosity_set(TRUE);
2581         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2582                 statusbar_verbosity_set(FALSE);
2583                 main_window_cursor_normal(folderview->mainwin);
2584                 STATUSBAR_POP(folderview->mainwin);
2585                 if (src_node)
2586                         gtk_ctree_remove_node(GTK_CTREE(folderview->ctree), src_node);
2587                 else
2588                         debug_print("can't remove src node: is null\n");
2589
2590                 folderview_create_folder_node_recursive(folderview, new_folder);
2591                 folderview_sort_folders(folderview,
2592                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2593                                 NULL, new_folder->parent), new_folder->folder);
2594                 folderview_select(folderview, new_folder);
2595         } else {
2596                 statusbar_verbosity_set(FALSE);
2597                 main_window_cursor_normal(folderview->mainwin);
2598                 STATUSBAR_POP(folderview->mainwin);
2599                 switch (status) {
2600                 case F_MOVE_FAILED_DEST_IS_PARENT:
2601                         alertpanel_error(_("Source and destination are the same."));
2602                         break;
2603                 case F_MOVE_FAILED_DEST_IS_CHILD:
2604                         alertpanel_error(_("Can't move a folder to one of its children."));
2605                         break;
2606                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2607                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2608                         break;
2609                 default:
2610                         alertpanel_error(_("Move failed!"));
2611                         break;
2612                 }
2613         }
2614         inc_unlock();
2615         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2616 }
2617
2618 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2619                                           GdkDragContext *context,
2620                                           gint            x,
2621                                           gint            y,
2622                                           guint           time,
2623                                           FolderView     *folderview)
2624 {
2625         gint row, column;
2626         FolderItem *item, *src_item;
2627         GtkCTreeNode *node = NULL;
2628         gboolean acceptable = FALSE;
2629         gint height = folderview->ctree->allocation.height;
2630         gint total_height = folderview->ctree->requisition.height;
2631         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2632                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2633         gfloat vpos = pos->value;
2634
2635         if (gtk_clist_get_selection_info
2636                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2637                 if (y > height - 24 && height + vpos < total_height)
2638                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2639
2640                 if (y < 24 && y > 0)
2641                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2642
2643                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2644                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2645                 src_item = folderview->summaryview->folder_item;
2646
2647                 if (item && item->folder && item->path &&
2648                     src_item && src_item != item) {
2649                         switch (item->folder->type) {
2650                         case F_MH:
2651                         case F_MBOX:
2652                         case F_IMAP:
2653                                 acceptable = TRUE;
2654                                 break;
2655                         default:
2656                                 break;
2657                         }
2658                 } else if (item && item->folder && folder_item_get_path(item) &&
2659                            src_item && src_item != item) {
2660                         /* a root folder - acceptable only from folderview */
2661                         if (item->folder->type == F_MH || item->folder->type == F_IMAP)
2662                                 acceptable = TRUE;
2663                 }
2664
2665         }
2666
2667         if (acceptable || (src_item && src_item == item)) {
2668                 folderview_recollapse_nodes(folderview, node);
2669                 if (item->collapsed) {
2670                         gtk_ctree_expand(GTK_CTREE(widget), node);
2671                         folderview->nodes_to_recollapse = g_slist_append(
2672                                                                 folderview->nodes_to_recollapse,
2673                                                                 node);
2674                 }
2675         }
2676
2677         if (acceptable) {
2678                 gtk_signal_handler_block_by_func
2679                         (GTK_OBJECT(widget),
2680                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2681                 gtk_ctree_select(GTK_CTREE(widget), node);
2682                 gtk_signal_handler_unblock_by_func
2683                         (GTK_OBJECT(widget),
2684                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2685                 gdk_drag_status(context,
2686                                         (context->actions == GDK_ACTION_COPY ?
2687                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2688         } else {
2689                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2690                 gdk_drag_status(context, 0, time);
2691         }
2692
2693         return acceptable;
2694 }
2695
2696 static void folderview_drag_leave_cb(GtkWidget      *widget,
2697                                      GdkDragContext *context,
2698                                      guint           time,
2699                                      FolderView     *folderview)
2700 {
2701         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2702 }
2703
2704 static void folderview_drag_received_cb(GtkWidget        *widget,
2705                                         GdkDragContext   *drag_context,
2706                                         gint              x,
2707                                         gint              y,
2708                                         GtkSelectionData *data,
2709                                         guint             info,
2710                                         guint             time,
2711                                         FolderView       *folderview)
2712 {
2713         gint row, column;
2714         FolderItem *item, *src_item;
2715         GtkCTreeNode *node;
2716
2717         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2718                 /* comes from summaryview */
2719                 if (gtk_clist_get_selection_info
2720                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2721                         return;
2722
2723                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2724                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2725                 src_item = folderview->summaryview->folder_item;
2726
2727                 /* re-check (due to acceptable possibly set for folder moves */
2728                 if (!(item && item->folder && item->path &&
2729                       src_item && src_item != item &&
2730                       (item->folder->type == F_MH || item->folder->type == F_IMAP))) {
2731                         return;
2732                 }
2733                 if (item && src_item) {
2734                         switch (drag_context->action) {
2735                                 case GDK_ACTION_COPY:
2736                                         summary_copy_selected_to(folderview->summaryview, item);
2737                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2738                                         break;
2739                                 case GDK_ACTION_MOVE:
2740                                 case GDK_ACTION_DEFAULT:
2741                                 default:
2742                         if (src_item->folder->type != item->folder->type ||
2743                             (item->folder->type == F_IMAP &&
2744                              src_item->folder != item->folder))
2745                                 summary_copy_selected_to(folderview->summaryview, item);
2746                         else
2747                                 summary_move_selected_to(folderview->summaryview, item);
2748                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2749                         }
2750                 } else
2751                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2752         } else {
2753                 /* comes from folderview */
2754                 char *source;
2755
2756                 source = data->data + 17;
2757                 if (gtk_clist_get_selection_info
2758                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2759                     || *source == 0) {
2760                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2761                         return;
2762                 }
2763                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2764                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2765                 src_item = folder_find_item_from_identifier(source);
2766
2767                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2768                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2769                         return;
2770                 }
2771
2772                 folderview_move_to(folderview, src_item, item);
2773                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2774         }
2775         folderview->nodes_to_recollapse = NULL;
2776 }
2777
2778 static gint folderview_clist_compare(GtkCList *clist,
2779                                      gconstpointer ptr1, gconstpointer ptr2)
2780 {
2781         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2782         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2783
2784         if (!item1->name)
2785                 return (item2->name != NULL);
2786         if (!item2->name)
2787                 return -1;
2788
2789         return g_strcasecmp(item1->name, item2->name);
2790 }
2791
2792 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2793 {
2794         const FolderItem *item = a;
2795         const gchar *name = b;
2796
2797         if (!item->path) return -1;
2798         return strcmp2(g_basename(item->path), name);
2799 }
2800
2801 static void folderview_scoring_cb(FolderView *folderview, guint action,
2802                                    GtkWidget *widget)
2803 {
2804         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2805         FolderItem *item;
2806
2807         if (!folderview->selected) return;
2808
2809         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2810         g_return_if_fail(item != NULL);
2811         g_return_if_fail(item->folder != NULL);
2812
2813         prefs_scoring_open(item);
2814 }
2815
2816 static void folderview_processing_cb(FolderView *folderview, guint action,
2817                                      GtkWidget *widget)
2818 {
2819         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2820         FolderItem *item;
2821
2822         if (!folderview->selected) return;
2823
2824         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2825         g_return_if_fail(item != NULL);
2826         g_return_if_fail(item->folder != NULL);
2827
2828         prefs_filtering_open(item, NULL, NULL);
2829 }
2830
2831 void folderview_set_target_folder_color(gint color_op)
2832 {
2833         gint firstone = 1;
2834         GList *list;
2835         FolderView *folderview;
2836
2837         for (list = folderview_list; list != NULL; list = list->next) {
2838                 folderview = (FolderView *)list->data;
2839                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2840                 if (firstone) {
2841                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2842                                 folderview->color_op;
2843                         firstone = 0;
2844                 }
2845         }
2846 }
2847
2848 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2849 {
2850         folderview_init(folderview);
2851         folderview_set_all();
2852 }
2853
2854 GtkTargetEntry folderview_drag_types[1] =
2855 {
2856         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
2857 };
2858
2859
2860 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2861                                   FolderView       *folderview)
2862 {
2863         GtkTargetList *list;
2864         GdkDragContext *context;
2865
2866         g_return_if_fail(folderview != NULL);
2867         if (folderview->selected == NULL) return;
2868
2869         list = gtk_target_list_new(folderview_drag_types, 1);
2870
2871         folderview->nodes_to_recollapse = NULL; /* in case the last drag has been cancelled */
2872
2873         context = gtk_drag_begin(widget, list,
2874                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2875         gtk_drag_set_icon_default(context);
2876 }
2877
2878 static void folderview_drag_data_get(GtkWidget        *widget,
2879                                      GdkDragContext   *drag_context,
2880                                      GtkSelectionData *selection_data,
2881                                      guint             info,
2882                                      guint             time,
2883                                      FolderView       *folderview)
2884 {
2885         FolderItem *item;
2886         GList *cur;
2887         gchar *source=NULL;
2888
2889         for (cur = GTK_CLIST(folderview->ctree)->selection;
2890              cur != NULL; cur = cur->next) {
2891                 item = gtk_ctree_node_get_row_data
2892                         (GTK_CTREE(folderview->ctree),
2893                          GTK_CTREE_NODE(cur->data));
2894                 if (item) {
2895                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2896                         gtk_selection_data_set(selection_data,
2897                                                selection_data->target, 8,
2898                                                source, strlen(source));
2899                         break;
2900                 } else
2901                         return;
2902         }
2903 }
2904