src/folderview.c

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