src/folderview.c

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