src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 "inputdialog.h"
  46 #include "manage_window.h"
  47 #include "alertpanel.h"
  48 #include "menu.h"
  49 #include "procmsg.h"
  50 #include "utils.h"
  51 #include "gtkutils.h"
  52 #include "prefs_common.h"
  53 #include "prefs_account.h"
  54 #include "account.h"
  55 #include "folder.h"
  56 #include "grouplist_dialog.h"
  57
  58 #include "pixmaps/inbox.xpm"
  59 #include "pixmaps/outbox.xpm"
  60 #include "pixmaps/dir-close.xpm"
  61 #include "pixmaps/dir-open.xpm"
  62 #include "pixmaps/trash.xpm"
  63
  64 typedef enum
  65 {
  66         COL_FOLDER      = 0,
  67         COL_NEW         = 1,
  68         COL_UNREAD      = 2,
  69         COL_TOTAL       = 3
  70 } FolderColumnPos;
  71
  72 #define N_FOLDER_COLS           4
  73 #define COL_FOLDER_WIDTH        150
  74 #define COL_NUM_WIDTH           32
  75
  76 #define STATUSBAR_PUSH(mainwin, str) \
  77 { \
  78         gtk_statusbar_push(GTK_STATUSBAR(mainwin->statusbar), \
  79                            mainwin->folderview_cid, str); \
  80         gtkut_widget_wait_for_draw(mainwin->hbox_stat); \
  81 }
  82
  83 #define STATUSBAR_POP(mainwin) \
  84 { \
  85         gtk_statusbar_pop(GTK_STATUSBAR(mainwin->statusbar), \
  86                           mainwin->folderview_cid); \
  87 }
  88
  89 static GList *folderview_list = NULL;
  90
  91 static GdkFont *normalfont;
  92 static GdkFont *boldfont;
  93
  94 static GdkPixmap *inboxxpm;
  95 static GdkBitmap *inboxxpmmask;
  96 static GdkPixmap *outboxxpm;
  97 static GdkBitmap *outboxxpmmask;
  98 static GdkPixmap *folderxpm;
  99 static GdkBitmap *folderxpmmask;
 100 static GdkPixmap *folderopenxpm;
 101 static GdkBitmap *folderopenxpmmask;
 102 static GdkPixmap *trashxpm;
 103 static GdkBitmap *trashxpmmask;
 104
 105 static void folderview_select_node       (FolderView    *folderview,
 106                                           GtkCTreeNode  *node);
 107 static void folderview_set_folders       (FolderView    *folderview);
 108 static void folderview_sort_folders      (FolderView    *folderview,
 109                                           GtkCTreeNode  *root,
 110                                           Folder        *folder);
 111 static void folderview_append_folder     (FolderView    *folderview,
 112                                           Folder        *folder);
 113 static void folderview_update_node       (FolderView    *folderview,
 114                                           GtkCTreeNode  *node);
 115
 116 static GtkCTreeNode *folderview_find_by_name    (GtkCTree       *ctree,
 117                                                  GtkCTreeNode   *node,
 118                                                  const gchar    *name);
 119
 120 static gint folderview_compare_name     (gconstpointer   a,
 121                                          gconstpointer   b);
 122
 123 /* callback functions */
 124 static void folderview_button_pressed   (GtkWidget      *ctree,
 125                                          GdkEventButton *event,
 126                                          FolderView     *folderview);
 127 static void folderview_button_released  (GtkWidget      *ctree,
 128                                          GdkEventButton *event,
 129                                          FolderView     *folderview);
 130 static void folderview_key_pressed      (GtkWidget      *widget,
 131                                          GdkEventKey    *event,
 132                                          FolderView     *folderview);
 133 static void folderview_selected         (GtkCTree       *ctree,
 134                                          GtkCTreeNode   *row,
 135                                          gint            column,
 136                                          FolderView     *folderview);
 137 static void folderview_tree_expanded    (GtkCTree       *ctree,
 138                                          GtkCTreeNode   *node,
 139                                          FolderView     *folderview);
 140 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 141                                          GtkCTreeNode   *node,
 142                                          FolderView     *folderview);
 143 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 144                                          FolderView     *folderview);
 145 static void folderview_col_resized      (GtkCList       *clist,
 146                                          gint            column,
 147                                          gint            width,
 148                                          FolderView     *folderview);
 149
 150 static void folderview_update_tree_cb   (FolderView     *folderview,
 151                                          guint           action,
 152                                          GtkWidget      *widget);
 153
 154 static void folderview_new_folder_cb    (FolderView     *folderview,
 155                                          guint           action,
 156                                          GtkWidget      *widget);
 157 static void folderview_new_mbox_folder_cb(FolderView *folderview,
 158                                           guint action,
 159                                           GtkWidget *widget);
 160 static void folderview_rename_folder_cb (FolderView     *folderview,
 161                                          guint           action,
 162                                          GtkWidget      *widget);
 163 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
 164                                              guint action,
 165                                              GtkWidget *widget);
 166 static void folderview_delete_folder_cb (FolderView     *folderview,
 167                                          guint           action,
 168                                          GtkWidget      *widget);
 169 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 170                                          guint           action,
 171                                          GtkWidget      *widget);
 172
 173 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 174                                           guint          action,
 175                                           GtkWidget     *widget);
 176 static void folderview_rm_imap_folder_cb (FolderView    *folderview,
 177                                           guint          action,
 178                                           GtkWidget     *widget);
 179 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 180                                           guint          action,
 181                                           GtkWidget     *widget);
 182
 183 static void folderview_new_news_group_cb(FolderView     *folderview,
 184                                          guint           action,
 185                                          GtkWidget      *widget);
 186 static void folderview_rm_news_group_cb (FolderView     *folderview,
 187                                          guint           action,
 188                                          GtkWidget      *widget);
 189 static void folderview_rm_news_server_cb(FolderView     *folderview,
 190                                          guint           action,
 191                                          GtkWidget      *widget);
 192
 193 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 194                                           GdkDragContext *context,
 195                                           gint            x,
 196                                           gint            y,
 197                                           guint           time,
 198                                           FolderView     *folderview);
 199 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 200                                           GdkDragContext   *context,
 201                                           guint             time,
 202                                           FolderView       *folderview);
 203 static void folderview_drag_received_cb  (GtkWidget        *widget,
 204                                           GdkDragContext   *drag_context,
 205                                           gint              x,
 206                                           gint              y,
 207                                           GtkSelectionData *data,
 208                                           guint             info,
 209                                           guint             time,
 210                                           FolderView       *folderview);
 211 static void folderview_scoring_cb(FolderView *folderview, guint action,
 212                                   GtkWidget *widget);
 213
 214 static GtkItemFactoryEntry folderview_mbox_popup_entries[] =
 215 {
 216         {N_("/Create _new folder..."),  NULL, folderview_new_mbox_folder_cb,    0, NULL},
 217         {N_("/_Rename folder..."),      NULL, folderview_rename_mbox_folder_cb, 0, NULL},
 218         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 219         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 220         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 221         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 222         {N_("/_Property..."),           NULL, NULL, 0, NULL},
 223         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 224 };
 225
 226 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 227 {
 228         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 229         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 230         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 231         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 232         {N_("/_Update folder tree"),    NULL, folderview_update_tree_cb, 0, NULL},
 233         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 234         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 235         {N_("/_Property..."),           NULL, NULL, 0, NULL},
 236         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 237 };
 238
 239 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 240 {
 241         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 242         {N_("/_Rename folder..."),      NULL, NULL, 0, NULL},
 243         {N_("/_Delete folder"),         NULL, folderview_rm_imap_folder_cb, 0, NULL},
 244         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 245         {N_("/_Update folder tree"),    NULL, folderview_update_tree_cb, 0, NULL},
 246         {N_("/Remove _IMAP4 account"),  NULL, folderview_rm_imap_server_cb, 0, NULL},
 247         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 248         {N_("/_Property..."),           NULL, NULL, 0, NULL},
 249         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 250 };
 251
 252 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 253 {
 254         {N_("/_Subscribe to newsgroup..."),
 255                                          NULL, folderview_new_news_group_cb, 0, NULL},
 256         {N_("/_Remove newsgroup"),       NULL, folderview_rm_news_group_cb, 0, NULL},
 257         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 258         {N_("/Remove _news account"),    NULL, folderview_rm_news_server_cb, 0, NULL},
 259         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 260         {N_("/_Property..."),            NULL, NULL, 0, NULL},
 261         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 262 };
 263
 264
 265 FolderView *folderview_create(void)
 266 {
 267         FolderView *folderview;
 268         GtkWidget *scrolledwin;
 269         GtkWidget *ctree;
 270         gchar *titles[N_FOLDER_COLS] = {_("Folder"), _("New"),
 271                                         _("Unread"), _("#")};
 272         GtkWidget *mail_popup;
 273         GtkWidget *news_popup;
 274         GtkWidget *imap_popup;
 275         GtkWidget *mbox_popup;
 276         GtkItemFactory *mail_factory;
 277         GtkItemFactory *news_factory;
 278         GtkItemFactory *imap_factory;
 279         GtkItemFactory *mbox_factory;
 280         gint n_entries;
 281         gint i;
 282
 283         debug_print(_("Creating folder view...\n"));
 284         folderview = g_new0(FolderView, 1);
 285
 286         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 287         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 288                                        GTK_POLICY_AUTOMATIC,
 289                                        GTK_POLICY_ALWAYS);
 290         gtk_widget_set_usize(scrolledwin,
 291                              prefs_common.folderview_width,
 292                              prefs_common.folderview_height);
 293
 294         ctree = gtk_ctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 295         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 296         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 297         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 298                                            GTK_JUSTIFY_RIGHT);
 299         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 300                                            GTK_JUSTIFY_RIGHT);
 301         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 302                                            GTK_JUSTIFY_RIGHT);
 303         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 304                                    prefs_common.folder_col_folder);
 305         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 306                                    prefs_common.folder_col_new);
 307         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 308                                    prefs_common.folder_col_unread);
 309         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 310                                    prefs_common.folder_col_total);
 311         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 312         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 313                                      GTK_CTREE_EXPANDER_SQUARE);
 314         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 315
 316         /* don't let title buttons take key focus */
 317         for (i = 0; i < N_FOLDER_COLS; i++)
 318                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 319                                        GTK_CAN_FOCUS);
 320
 321         /* popup menu */
 322         n_entries = sizeof(folderview_mail_popup_entries) /
 323                 sizeof(folderview_mail_popup_entries[0]);
 324         mail_popup = menu_create_items(folderview_mail_popup_entries,
 325                                        n_entries,
 326                                        "<MailFolder>", &mail_factory,
 327                                        folderview);
 328         n_entries = sizeof(folderview_imap_popup_entries) /
 329                 sizeof(folderview_imap_popup_entries[0]);
 330         imap_popup = menu_create_items(folderview_imap_popup_entries,
 331                                        n_entries,
 332                                        "<IMAPFolder>", &imap_factory,
 333                                        folderview);
 334         n_entries = sizeof(folderview_news_popup_entries) /
 335                 sizeof(folderview_news_popup_entries[0]);
 336         news_popup = menu_create_items(folderview_news_popup_entries,
 337                                        n_entries,
 338                                        "<NewsFolder>", &news_factory,
 339                                        folderview);
 340         n_entries = sizeof(folderview_mbox_popup_entries) /
 341                 sizeof(folderview_mbox_popup_entries[0]);
 342         mbox_popup = menu_create_items(folderview_mbox_popup_entries,
 343                                        n_entries,
 344                                        "<MailFolder>", &mbox_factory,
 345                                        folderview);
 346
 347         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 348                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 349                            folderview);
 350         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 351                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 352                            folderview);
 353         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 354                            GTK_SIGNAL_FUNC(folderview_button_released),
 355                            folderview);
 356         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 357                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 358
 359         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 360                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 361                                  folderview);
 362         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 363                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 364                                  folderview);
 365
 366         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 367                            GTK_SIGNAL_FUNC(folderview_col_resized),
 368                            folderview);
 369
 370         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 371                            GTK_SIGNAL_FUNC(folderview_popup_close),
 372                            folderview);
 373         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 374                            GTK_SIGNAL_FUNC(folderview_popup_close),
 375                            folderview);
 376         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 377                            GTK_SIGNAL_FUNC(folderview_popup_close),
 378                            folderview);
 379         gtk_signal_connect(GTK_OBJECT(mbox_popup), "selection_done",
 380                            GTK_SIGNAL_FUNC(folderview_popup_close),
 381                            folderview);
 382
 383         /* drop callback */
 384         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL &
 385                           ~GTK_DEST_DEFAULT_HIGHLIGHT,
 386                           summary_drag_types, 1,
 387                           GDK_ACTION_MOVE);
 388         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 389                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 390                            folderview);
 391         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 392                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 393                            folderview);
 394         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 395                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 396                            folderview);
 397
 398         folderview->scrolledwin  = scrolledwin;
 399         folderview->ctree        = ctree;
 400         folderview->mail_popup   = mail_popup;
 401         folderview->mail_factory = mail_factory;
 402         folderview->imap_popup   = imap_popup;
 403         folderview->imap_factory = imap_factory;
 404         folderview->news_popup   = news_popup;
 405         folderview->news_factory = news_factory;
 406         folderview->mbox_popup   = mbox_popup;
 407         folderview->mbox_factory = mbox_factory;
 408
 409         gtk_widget_show_all(scrolledwin);
 410
 411         folderview_list = g_list_append(folderview_list, folderview);
 412
 413         return folderview;
 414 }
 415
 416 void folderview_init(FolderView *folderview)
 417 {
 418         GtkWidget *ctree = folderview->ctree;
 419
 420         PIXMAP_CREATE(ctree, inboxxpm, inboxxpmmask, inbox_xpm);
 421         PIXMAP_CREATE(ctree, outboxxpm, outboxxpmmask, outbox_xpm);
 422         PIXMAP_CREATE(ctree, folderxpm, folderxpmmask, DIRECTORY_CLOSE_XPM);
 423         PIXMAP_CREATE(ctree, folderopenxpm, folderopenxpmmask,
 424                       DIRECTORY_OPEN_XPM);
 425         PIXMAP_CREATE(ctree, trashxpm, trashxpmmask, trash_xpm);
 426
 427         if (!normalfont)
 428                 normalfont = gdk_fontset_load(NORMAL_FONT);
 429         if (!boldfont)
 430                 boldfont = gdk_fontset_load(BOLD_FONT);
 431 }
 432
 433 void folderview_set(FolderView *folderview)
 434 {
 435         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 436         MainWindow *mainwin = folderview->mainwin;
 437
 438         debug_print(_("Setting folder info...\n"));
 439         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 440
 441         main_window_cursor_wait(mainwin);
 442
 443         folderview->selected = NULL;
 444         folderview->opened = NULL;
 445
 446         gtk_clist_freeze(GTK_CLIST(ctree));
 447         gtk_clist_clear(GTK_CLIST(ctree));
 448         gtk_clist_thaw(GTK_CLIST(ctree));
 449         gtk_clist_freeze(GTK_CLIST(ctree));
 450
 451         folderview_set_folders(folderview);
 452
 453         gtk_clist_thaw(GTK_CLIST(ctree));
 454         main_window_cursor_normal(mainwin);
 455         STATUSBAR_POP(mainwin);
 456 }
 457
 458 void folderview_set_all(void)
 459 {
 460         GList *list;
 461
 462         for (list = folderview_list; list != NULL; list = list->next)
 463                 folderview_set((FolderView *)list->data);
 464 }
 465
 466 void folderview_select(FolderView *folderview, FolderItem *item)
 467 {
 468         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 469         GtkCTreeNode *node;
 470
 471         if (!item) return;
 472
 473         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 474         if (node) folderview_select_node(folderview, node);
 475 }
 476
 477 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 478 {
 479         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 480
 481         g_return_if_fail(node != NULL);
 482
 483         folderview->open_folder = TRUE;
 484         gtk_ctree_select(ctree, node);
 485         gtkut_ctree_set_focus_row(ctree, node);
 486         if (folderview->summaryview->messages > 0)
 487                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 488         else
 489                 gtk_widget_grab_focus(folderview->ctree);
 490
 491         while ((node = gtkut_ctree_find_collapsed_parent(ctree, node))
 492                != NULL)
 493                 gtk_ctree_expand(ctree, node);
 494 }
 495
 496 void folderview_unselect(FolderView *folderview)
 497 {
 498         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 499                 gtk_ctree_collapse
 500                         (GTK_CTREE(folderview->ctree), folderview->opened);
 501
 502         folderview->selected = folderview->opened = NULL;
 503 }
 504
 505 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 506                                                  GtkCTreeNode *node)
 507 {
 508         FolderItem *item;
 509
 510         if (node)
 511                 node = gtkut_ctree_node_next(ctree, node);
 512         else
 513                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 514
 515         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 516                 item = gtk_ctree_node_get_row_data(ctree, node);
 517                 if (item && item->unread > 0 && item->stype != F_TRASH)
 518                         return node;
 519         }
 520
 521         return NULL;
 522 }
 523
 524 void folderview_select_next_unread(FolderView *folderview)
 525 {
 526         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 527         GtkCTreeNode *node = NULL;
 528
 529         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 530             != NULL) {
 531                 folderview_select_node(folderview, node);
 532                 return;
 533         }
 534
 535         if (!folderview->opened ||
 536             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 537                 return;
 538         /* search again from the first node */
 539         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 540                 folderview_select_node(folderview, node);
 541 }
 542
 543 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row,
 544                                gint new, gint unread, gint total)
 545 {
 546         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 547         static GtkCTreeNode *prev_row = NULL;
 548         FolderItem *item;
 549
 550         if (!row) return;
 551
 552         item = gtk_ctree_node_get_row_data(ctree, row);
 553         if (!item) return;
 554         if (prev_row     == row    &&
 555             item->new    == new    &&
 556             item->unread == unread &&
 557             item->total  == total)
 558                 return;
 559
 560         prev_row = row;
 561
 562         item->new    = new;
 563         item->unread = unread;
 564         item->total  = total;
 565
 566         folderview_update_node(folderview, row);
 567 }
 568
 569 static void folderview_set_folders(FolderView *folderview)
 570 {
 571         GList *list;
 572
 573         list = folder_get_list();
 574
 575         for (; list != NULL; list = list->next)
 576                 folderview_append_folder(folderview, FOLDER(list->data));
 577 }
 578
 579 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 580                                       gpointer data)
 581 {
 582         GList *list;
 583         gchar *rootpath;
 584
 585         if (folder->type == F_MH || folder->type == F_MBOX ||
 586             folder->type == F_MAILDIR)
 587                 rootpath = LOCAL_FOLDER(folder)->rootpath;
 588         else if (folder->type == F_IMAP && folder->account &&
 589                  folder->account->recv_server)
 590                 rootpath = folder->account->recv_server;
 591         else
 592                 return;
 593
 594         for (list = folderview_list; list != NULL; list = list->next) {
 595                 FolderView *folderview = (FolderView *)list->data;
 596                 MainWindow *mainwin = folderview->mainwin;
 597                 gchar *str;
 598
 599                 if (item->path)
 600                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 601                                               rootpath, G_DIR_SEPARATOR,
 602                                               item->path);
 603                 else
 604                         str = g_strdup_printf(_("Scanning folder %s ..."),
 605                                               rootpath);
 606
 607                 STATUSBAR_PUSH(mainwin, str);
 608                 STATUSBAR_POP(mainwin);
 609                 g_free(str);
 610         }
 611 }
 612
 613 static GtkWidget *label_window_create(const gchar *str)
 614 {
 615         GtkWidget *window;
 616         GtkWidget *label;
 617
 618         window = gtk_window_new(GTK_WINDOW_DIALOG);
 619         gtk_widget_set_usize(window, 380, 60);
 620         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 621         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 622         gtk_window_set_title(GTK_WINDOW(window), str);
 623         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 624         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 625         manage_window_set_transient(GTK_WINDOW(window));
 626
 627         label = gtk_label_new(str);
 628         gtk_container_add(GTK_CONTAINER(window), label);
 629         gtk_widget_show(label);
 630
 631         gtk_widget_show_now(window);
 632
 633         return window;
 634 }
 635
 636 void folderview_update_tree(Folder *folder)
 637 {
 638         GtkWidget *window;
 639
 640         g_return_if_fail(folder != NULL);
 641
 642         if (!folder->scan_tree) return;
 643
 644         window = label_window_create(_("Updating folder tree..."));
 645
 646         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 647         folder->scan_tree(folder);
 648         folder_set_ui_func(folder, NULL, NULL);
 649
 650         folder_write_list();
 651         folderview_set_all();
 652
 653         gtk_widget_destroy(window);
 654 }
 655
 656 void folderview_update_all(void)
 657 {
 658         GList *list;
 659         GtkWidget *window;
 660
 661         window = label_window_create(_("Updating all folders..."));
 662
 663         list = folder_get_list();
 664         for (; list != NULL; list = list->next) {
 665                 Folder *folder = list->data;
 666
 667                 if (!folder->scan_tree) continue;
 668                 folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 669                 folder->scan_tree(folder);
 670                 folder_set_ui_func(folder, NULL, NULL);
 671         }
 672
 673         folder_write_list();
 674         folderview_set_all();
 675
 676         gtk_widget_destroy(window);
 677 }
 678
 679 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 680                                                 GtkCTreeNode *node)
 681 {
 682         FolderItem *item;
 683
 684         if (node) {
 685                 item = gtk_ctree_node_get_row_data(ctree, node);
 686                 if (item) {
 687                         if (item->new > 0 ||
 688                             (item->stype == F_QUEUE && item->total > 0))
 689                                 return TRUE;
 690                 }
 691                 node = GTK_CTREE_ROW(node)->children;
 692         } else
 693                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 694
 695         while (node) {
 696                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 697                         return TRUE;
 698                 node = GTK_CTREE_ROW(node)->sibling;
 699         }
 700
 701         return FALSE;
 702 }
 703
 704 static gboolean folderview_have_new_children(FolderView *folderview,
 705                                              GtkCTreeNode *node)
 706 {
 707         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 708
 709         if (!node)
 710                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 711         if (!node)
 712                 return FALSE;
 713
 714         node = GTK_CTREE_ROW(node)->children;
 715
 716         while (node) {
 717                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 718                         return TRUE;
 719                 node = GTK_CTREE_ROW(node)->sibling;
 720         }
 721
 722         return FALSE;
 723 }
 724
 725 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 726                                                    GtkCTreeNode *node)
 727 {
 728         FolderItem *item;
 729
 730         if (node) {
 731                 item = gtk_ctree_node_get_row_data(ctree, node);
 732                 if (item) {
 733                         if (item->unread > 0 ||
 734                             (item->stype == F_QUEUE && item->total > 0))
 735                                 return TRUE;
 736                 }
 737                 node = GTK_CTREE_ROW(node)->children;
 738         } else
 739                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 740
 741         while (node) {
 742                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 743                         return TRUE;
 744                 node = GTK_CTREE_ROW(node)->sibling;
 745         }
 746
 747         return FALSE;
 748 }
 749
 750 static gboolean folderview_have_unread_children(FolderView *folderview,
 751                                                 GtkCTreeNode *node)
 752 {
 753         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 754
 755         if (!node)
 756                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 757         if (!node)
 758                 return FALSE;
 759
 760         node = GTK_CTREE_ROW(node)->children;
 761
 762         while (node) {
 763                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 764                         return TRUE;
 765                 node = GTK_CTREE_ROW(node)->sibling;
 766         }
 767
 768         return FALSE;
 769 }
 770
 771 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 772 {
 773         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 774         GtkStyle *style, *prev_style, *ctree_style;
 775         GtkCTreeNode *parent;
 776         FolderItem *item;
 777         GdkPixmap *xpm, *openxpm;
 778         GdkBitmap *mask, *openmask;
 779         gchar *name;
 780         gchar *str;
 781         gboolean add_unread_mark;
 782         gboolean use_bold, use_color;
 783
 784         item = gtk_ctree_node_get_row_data(ctree, node);
 785         g_return_if_fail(item != NULL);
 786
 787         switch (item->stype) {
 788         case F_INBOX:
 789                 xpm = openxpm = inboxxpm;
 790                 mask = openmask = inboxxpmmask;
 791                 name = g_strdup(_("Inbox"));
 792                 break;
 793         case F_OUTBOX:
 794                 xpm = openxpm = outboxxpm;
 795                 mask = openmask = outboxxpmmask;
 796                 name = g_strdup(_("Outbox"));
 797                 break;
 798         case F_QUEUE:
 799                 xpm = openxpm = outboxxpm;
 800                 mask = openmask = outboxxpmmask;
 801                 name = g_strdup(_("Queue"));
 802                 break;
 803         case F_TRASH:
 804                 xpm = openxpm = trashxpm;
 805                 mask = openmask = trashxpmmask;
 806                 name = g_strdup(_("Trash"));
 807                 break;
 808         case F_DRAFT:
 809                 xpm = folderxpm;
 810                 mask = folderxpmmask;
 811                 openxpm = folderopenxpm;
 812                 openmask = folderopenxpmmask;
 813                 name = g_strdup(_("Draft"));
 814                 break;
 815         default:
 816                 xpm = folderxpm;
 817                 mask = folderxpmmask;
 818                 openxpm = folderopenxpm;
 819                 openmask = folderopenxpmmask;
 820                 if (!item->parent) {
 821                         switch (item->folder->type) {
 822                         case F_MH:
 823                                 name = " (MH)"; break;
 824                         case F_MBOX:
 825                                 name = " (mbox)"; break;
 826                         case F_IMAP:
 827                                 name = " (IMAP4)"; break;
 828                         case F_NEWS:
 829                                 name = " (News)"; break;
 830                         default:
 831                                 name = "";
 832                         }
 833                         name = g_strconcat(item->name, name, NULL);
 834                 } else
 835                         name = g_strdup(item->name);
 836         }
 837
 838         if (!GTK_CTREE_ROW(node)->expanded &&
 839             folderview_have_unread_children(folderview, node))
 840                 add_unread_mark = TRUE;
 841         else
 842                 add_unread_mark = FALSE;
 843
 844         if (item->stype == F_QUEUE && item->total > 0 &&
 845             prefs_common.display_folder_unread) {
 846                 str = g_strdup_printf("%s (%d%s)", name, item->total,
 847                                       add_unread_mark ? "+" : "");
 848                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
 849                                         xpm, mask, openxpm, openmask,
 850                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 851                 g_free(str);
 852         } else if ((item->unread > 0 || add_unread_mark) &&
 853                  prefs_common.display_folder_unread) {
 854
 855                 if (item->unread > 0)
 856                         str = g_strdup_printf("%s (%d%s)", name, item->unread,
 857                                               add_unread_mark ? "+" : "");
 858                 else
 859                         str = g_strdup_printf("%s (+)", name);
 860                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
 861                                         xpm, mask, openxpm, openmask,
 862                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 863                 g_free(str);
 864         } else
 865                 gtk_ctree_set_node_info(ctree, node, name, FOLDER_SPACING,
 866                                         xpm, mask, openxpm, openmask,
 867                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 868         g_free(name);
 869
 870         if (!item->parent) {
 871                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
 872                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
 873                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
 874         } else {
 875                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new));
 876                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread));
 877                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total));
 878         }
 879
 880         ctree_style = gtk_widget_get_style(GTK_WIDGET(ctree));
 881         prev_style = gtk_ctree_node_get_row_style(ctree, node);
 882         if (!prev_style)
 883                 prev_style = ctree_style;
 884         style = gtk_style_copy(prev_style);
 885         if (!style) return;
 886
 887         if (item->stype == F_QUEUE) {
 888                 /* highlight queue folder if there are any messages */
 889                 use_bold = use_color = (item->total > 0);
 890         } else if (item->stype == F_TRASH) {
 891                 /* Never highlight trash */
 892                 use_bold = FALSE;
 893                 use_color = FALSE;
 894         } else {
 895                 /* if unread messages exist, print with bold font */
 896                 use_bold = (item->unread > 0) || add_unread_mark;
 897                 /* if new messages exist, print with colored letter */
 898                 use_color =
 899                         (item->new > 0) ||
 900                         (add_unread_mark &&
 901                          folderview_have_new_children(folderview, node));
 902         }
 903
 904         if (use_bold && boldfont)
 905                 style->font = boldfont;
 906         else
 907                 style->font = normalfont;
 908
 909         if (use_color) {
 910                 style->fg[GTK_STATE_NORMAL]   = folderview->color_new;
 911                 style->fg[GTK_STATE_SELECTED] = folderview->color_new;
 912         } else {
 913                 style->fg[GTK_STATE_NORMAL] =
 914                         ctree_style->fg[GTK_STATE_NORMAL];
 915                 style->fg[GTK_STATE_SELECTED] =
 916                         ctree_style->fg[GTK_STATE_SELECTED];
 917         }
 918
 919         gtk_ctree_node_set_row_style(ctree, node, style);
 920
 921         parent = node;
 922         while ((parent = gtkut_ctree_find_collapsed_parent(ctree, parent))
 923                != NULL)
 924                 folderview_update_node(folderview, parent);
 925 }
 926
 927 void folderview_update_item(FolderItem *item, gboolean update_summary)
 928 {
 929         GList *list;
 930         FolderView *folderview;
 931         GtkCTree *ctree;
 932         GtkCTreeNode *node;
 933
 934         g_return_if_fail(item != NULL);
 935
 936         for (list = folderview_list; list != NULL; list = list->next) {
 937                 folderview = (FolderView *)list->data;
 938                 ctree = GTK_CTREE(folderview->ctree);
 939
 940                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 941                 if (node) {
 942                         folderview_update_node(folderview, node);
 943                         if (update_summary && folderview->opened == node)
 944                                 summary_show(folderview->summaryview,
 945                                              item, FALSE);
 946                 }
 947         }
 948 }
 949
 950 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
 951                                                 gpointer data)
 952 {
 953         folderview_update_item((FolderItem *)key, FALSE);
 954 }
 955
 956 void folderview_update_item_foreach(GHashTable *table)
 957 {
 958         g_hash_table_foreach(table, folderview_update_item_foreach_func, NULL);
 959 }
 960
 961 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
 962                                       GNode *gnode, GtkCTreeNode *cnode,
 963                                       gpointer data)
 964 {
 965         FolderView *folderview = (FolderView *)data;
 966         FolderItem *item = FOLDER_ITEM(gnode->data);
 967
 968         g_return_val_if_fail(item != NULL, FALSE);
 969
 970         gtk_ctree_node_set_row_data(ctree, cnode, item);
 971         folderview_update_node(folderview, cnode);
 972
 973         return TRUE;
 974 }
 975
 976 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
 977                                    gpointer data)
 978 {
 979         FolderView *folderview = (FolderView *)data;
 980         FolderItem *item;
 981
 982         if (GTK_CTREE_ROW(node)->children) {
 983                 item = gtk_ctree_node_get_row_data(ctree, node);
 984                 g_return_if_fail(item != NULL);
 985
 986                 if (!item->collapsed)
 987                         gtk_ctree_expand(ctree, node);
 988                 else
 989                         folderview_update_node(folderview, node);
 990         }
 991 }
 992
 993 #define SET_SPECIAL_FOLDER(ctree, item) \
 994 { \
 995         if (item) { \
 996                 GtkCTreeNode *node, *sibling; \
 997  \
 998                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
 999                 if (!node) \
1000                         g_warning("%s not found.\n", item->path); \
1001                 else { \
1002                         if (!prev) \
1003                                 sibling = GTK_CTREE_ROW(root)->children; \
1004                         else \
1005                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
1006                         if (node != sibling) \
1007                                 gtk_ctree_move(ctree, node, root, sibling); \
1008                 } \
1009  \
1010                 prev = node; \
1011         } \
1012 }
1013
1014 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1015                                     Folder *folder)
1016 {
1017         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1018         GtkCTreeNode *prev = NULL;
1019
1020         gtk_ctree_sort_recursive(ctree, root);
1021
1022         if (GTK_CTREE_ROW(root)->parent) return;
1023
1024         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1025         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1026         SET_SPECIAL_FOLDER(ctree, folder->draft);
1027         SET_SPECIAL_FOLDER(ctree, folder->queue);
1028         SET_SPECIAL_FOLDER(ctree, folder->trash);
1029 }
1030
1031 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1032 {
1033         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1034         GtkCTreeNode *root;
1035
1036         g_return_if_fail(folder != NULL);
1037
1038         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1039                                       folderview_gnode_func, folderview);
1040         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1041                                 folderview);
1042         folderview_sort_folders(folderview, root, folder);
1043 }
1044
1045 void folderview_new_folder(FolderView *folderview)
1046 {
1047         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1048         FolderItem *item;
1049
1050         if (!folderview->selected) return;
1051
1052         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1053         g_return_if_fail(item != NULL);
1054         g_return_if_fail(item->folder != NULL);
1055
1056         switch (item->folder->type) {
1057         case F_MBOX:
1058                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1059                 break;
1060         case F_MH:
1061         case F_MAILDIR:
1062                 folderview_new_folder_cb(folderview, 0, NULL);
1063                 break;
1064         case F_IMAP:
1065                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1066                 break;
1067         case F_NEWS:
1068         default:
1069                 break;
1070         }
1071 }
1072
1073 void folderview_rename_folder(FolderView *folderview)
1074 {
1075         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1076         FolderItem *item;
1077
1078         if (!folderview->selected) return;
1079
1080         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1081         g_return_if_fail(item != NULL);
1082         g_return_if_fail(item->folder != NULL);
1083         if (!item->path) return;
1084         if (item->stype != F_NORMAL) return;
1085
1086         switch (item->folder->type) {
1087         case F_MBOX:
1088                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1089         case F_MH:
1090         case F_MAILDIR:
1091                 folderview_rename_folder_cb(folderview, 0, NULL);
1092                 break;
1093         case F_IMAP:
1094         case F_NEWS:
1095         default:
1096                 break;
1097         }
1098 }
1099
1100 void folderview_delete_folder(FolderView *folderview)
1101 {
1102         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1103         FolderItem *item;
1104
1105         if (!folderview->selected) return;
1106
1107         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1108         g_return_if_fail(item != NULL);
1109         g_return_if_fail(item->folder != NULL);
1110         if (!item->path) return;
1111         if (item->stype != F_NORMAL) return;
1112
1113         switch (item->folder->type) {
1114         case F_MH:
1115         case F_MBOX:
1116         case F_MAILDIR:
1117                 folderview_delete_folder_cb(folderview, 0, NULL);
1118                 break;
1119         case F_IMAP:
1120                 folderview_rm_imap_folder_cb(folderview, 0, NULL);
1121         case F_NEWS:
1122         default:
1123                 break;
1124         }
1125 }
1126
1127
1128 /* callback functions */
1129
1130 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1131                                       FolderView *folderview)
1132 {
1133         GtkCList *clist = GTK_CLIST(ctree);
1134         gint prev_row = -1, row = -1, column = -1;
1135         FolderItem *item;
1136         Folder *folder;
1137
1138         if (!event) return;
1139
1140         if (event->button == 1) {
1141                 folderview->open_folder = TRUE;
1142                 return;
1143         }
1144
1145         if (event->button == 2 || event->button == 3) {
1146                 /* right clicked */
1147                 if (clist->selection) {
1148                         GtkCTreeNode *node;
1149
1150                         node = GTK_CTREE_NODE(clist->selection->data);
1151                         if (node)
1152                                 prev_row = gtkut_ctree_get_nth_from_node
1153                                         (GTK_CTREE(ctree), node);
1154                 }
1155
1156                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1157                                                   &row, &column))
1158                         return;
1159                 if (prev_row != row) {
1160                         gtk_clist_unselect_all(clist);
1161                         if (event->button == 2)
1162                                 folderview_select_node
1163                                         (folderview,
1164                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1165                                                             row));
1166                         else
1167                                 gtk_clist_select_row(clist, row, column);
1168                 }
1169         }
1170
1171         if (event->button != 3) return;
1172
1173         item = gtk_clist_get_row_data(clist, row);
1174         g_return_if_fail(item != NULL);
1175         g_return_if_fail(item->folder != NULL);
1176         folder = item->folder;
1177
1178         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mail_popup));
1179         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->imap_popup));
1180         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->news_popup));
1181         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mbox_popup));
1182
1183         if (folder->type == F_MH && item->parent == NULL) {
1184                 menu_set_sensitive(folderview->mail_factory,
1185                                    "/Create new folder...", TRUE);
1186                 menu_set_sensitive(folderview->mail_factory,
1187                                    "/Update folder tree", TRUE);
1188                 menu_set_sensitive(folderview->mail_factory,
1189                                    "/Remove mailbox", TRUE);
1190         } else if (folder->type == F_MH && item->stype != F_NORMAL) {
1191                 menu_set_sensitive(folderview->mail_factory,
1192                                    "/Create new folder...", TRUE);
1193                 menu_set_sensitive(folderview->mail_factory,
1194                                    "/Scoring...", TRUE);
1195         } else if (folder->type == F_MH) {
1196                 menu_set_sensitive(folderview->mail_factory,
1197                                    "/Create new folder...", TRUE);
1198                 menu_set_sensitive(folderview->mail_factory,
1199                                    "/Rename folder...", TRUE);
1200                 menu_set_sensitive(folderview->mail_factory,
1201                                    "/Delete folder", TRUE);
1202                 menu_set_sensitive(folderview->mail_factory,
1203                                    "/Scoring...", TRUE);
1204         } else if (folder->type == F_IMAP && item->parent == NULL) {
1205                 menu_set_sensitive(folderview->imap_factory,
1206                                    "/Create new folder...", TRUE);
1207                 menu_set_sensitive(folderview->imap_factory,
1208                                    "/Update folder tree", TRUE);
1209                 menu_set_sensitive(folderview->imap_factory,
1210                                    "/Remove IMAP4 account", TRUE);
1211         } else if (folder->type == F_IMAP && item->stype != F_NORMAL) {
1212                 menu_set_sensitive(folderview->imap_factory,
1213                                    "/Create new folder...", TRUE);
1214         } else if (folder->type == F_IMAP) {
1215                 menu_set_sensitive(folderview->imap_factory,
1216                                    "/Create new folder...", TRUE);
1217                 menu_set_sensitive(folderview->imap_factory,
1218                                    "/Delete folder", TRUE);
1219                 menu_set_sensitive(folderview->imap_factory,
1220                                    "/Scoring...", TRUE);
1221         } else if (folder->type == F_NEWS && item->parent == NULL) {
1222                 menu_set_sensitive(folderview->news_factory,
1223                                    "/Subscribe to newsgroup...", TRUE);
1224                 menu_set_sensitive(folderview->news_factory,
1225                                    "/Remove news account", TRUE);
1226         } else if (folder->type == F_NEWS) {
1227                 menu_set_sensitive(folderview->news_factory,
1228                                    "/Subscribe to newsgroup...", TRUE);
1229                 menu_set_sensitive(folderview->news_factory,
1230                                    "/Remove newsgroup", TRUE);
1231                 menu_set_sensitive(folderview->news_factory,
1232                                    "/Scoring...", TRUE);
1233         }
1234         if (folder->type == F_MBOX && item->parent == NULL) {
1235                 menu_set_sensitive(folderview->mbox_factory,
1236                                    "/Create new folder...", TRUE);
1237                 menu_set_sensitive(folderview->mbox_factory,
1238                                    "/Remove mailbox", TRUE);
1239         } else if (folder->type == F_MBOX && item->stype != F_NORMAL) {
1240                 menu_set_sensitive(folderview->mbox_factory,
1241                                    "/Create new folder...", TRUE);
1242                 menu_set_sensitive(folderview->mbox_factory,
1243                                    "/Scoring...", TRUE);
1244         } else if (folder->type == F_MBOX) {
1245                 menu_set_sensitive(folderview->mbox_factory,
1246                                    "/Create new folder...", TRUE);
1247                 menu_set_sensitive(folderview->mbox_factory,
1248                                    "/Rename folder...", TRUE);
1249                 menu_set_sensitive(folderview->mbox_factory,
1250                                    "/Delete folder", TRUE);
1251                 menu_set_sensitive(folderview->mbox_factory,
1252                                    "/Scoring...", TRUE);
1253         }
1254
1255         if (folder->type == F_MH)
1256                 gtk_menu_popup(GTK_MENU(folderview->mail_popup), NULL, NULL,
1257                                NULL, NULL, event->button, event->time);
1258         else if (folder->type == F_IMAP)
1259                 gtk_menu_popup(GTK_MENU(folderview->imap_popup), NULL, NULL,
1260                                NULL, NULL, event->button, event->time);
1261         else if (folder->type == F_NEWS)
1262                 gtk_menu_popup(GTK_MENU(folderview->news_popup), NULL, NULL,
1263                                NULL, NULL, event->button, event->time);
1264         else if (folder->type == F_MBOX)
1265                 gtk_menu_popup(GTK_MENU(folderview->mbox_popup), NULL, NULL,
1266                                NULL, NULL, event->button, event->time);
1267 }
1268
1269 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1270                                        FolderView *folderview)
1271 {
1272         if (!event) return;
1273
1274         if (event->button == 1 && folderview->open_folder == FALSE &&
1275             folderview->opened != NULL) {
1276                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1277                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1278                                           folderview->opened);
1279         }
1280 }
1281
1282 #define BREAK_ON_MODIFIER_KEY() \
1283         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1284
1285 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1286                                    FolderView *folderview)
1287 {
1288         if (!event) return;
1289
1290         switch (event->keyval) {
1291         case GDK_Return:
1292         case GDK_space:
1293                 if (folderview->selected) {
1294                         folderview_select_node(folderview,
1295                                                folderview->selected);
1296                 }
1297                 break;
1298         case GDK_v:
1299         case GDK_V:
1300         case GDK_g:
1301         case GDK_G:
1302         case GDK_x:
1303         case GDK_X:
1304         case GDK_w:
1305         case GDK_D:
1306         case GDK_Q:
1307                 BREAK_ON_MODIFIER_KEY();
1308                 summary_pass_key_press_event(folderview->summaryview, event);
1309         default:
1310         }
1311 }
1312
1313 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1314                                 gint column, FolderView *folderview)
1315 {
1316         static gboolean can_select = TRUE;      /* exclusive lock */
1317         gboolean opened;
1318         FolderItem *item;
1319
1320         folderview->selected = row;
1321
1322         if (folderview->opened == row) {
1323                 folderview->open_folder = FALSE;
1324                 return;
1325         }
1326
1327         if (!can_select) {
1328                 gtk_ctree_select(ctree, folderview->opened);
1329                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1330                 return;
1331         }
1332
1333         if (!folderview->open_folder) return;
1334
1335         item = gtk_ctree_node_get_row_data(ctree, row);
1336         if (!item) return;
1337
1338         can_select = FALSE;
1339
1340         if (item->path)
1341                 debug_print(_("Folder %s is selected\n"), item->path);
1342
1343         if (!GTK_CTREE_ROW(row)->children)
1344                 gtk_ctree_expand(ctree, row);
1345         if (folderview->opened &&
1346             !GTK_CTREE_ROW(folderview->opened)->children)
1347                 gtk_ctree_collapse(ctree, folderview->opened);
1348
1349         /* ungrab the mouse event */
1350         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1351                 gtk_grab_remove(GTK_WIDGET(ctree));
1352                 if (gdk_pointer_is_grabbed())
1353                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1354         }
1355
1356         opened = summary_show(folderview->summaryview, item, FALSE);
1357
1358         if (!opened) {
1359                 gtk_ctree_select(ctree, folderview->opened);
1360                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1361         } else
1362                 folderview->opened = row;
1363
1364         folderview->open_folder = FALSE;
1365         can_select = TRUE;
1366 }
1367
1368 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1369                                      FolderView *folderview)
1370 {
1371         FolderItem *item;
1372
1373         item = gtk_ctree_node_get_row_data(ctree, node);
1374         g_return_if_fail(item != NULL);
1375         item->collapsed = FALSE;
1376         folderview_update_node(folderview, node);
1377 }
1378
1379 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1380                                       FolderView *folderview)
1381 {
1382         FolderItem *item;
1383
1384         item = gtk_ctree_node_get_row_data(ctree, node);
1385         g_return_if_fail(item != NULL);
1386         item->collapsed= TRUE;
1387         folderview_update_node(folderview, node);
1388 }
1389
1390 static void folderview_popup_close(GtkMenuShell *menu_shell,
1391                                    FolderView *folderview)
1392 {
1393         if (!folderview->opened) return;
1394
1395         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1396         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1397                                   folderview->opened);
1398 }
1399
1400 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1401                                    FolderView *folderview)
1402 {
1403         switch (column) {
1404         case COL_FOLDER:
1405                 prefs_common.folder_col_folder = width;
1406                 break;
1407         case COL_NEW:
1408                 prefs_common.folder_col_new = width;
1409                 break;
1410         case COL_UNREAD:
1411                 prefs_common.folder_col_unread = width;
1412                 break;
1413         case COL_TOTAL:
1414                 prefs_common.folder_col_total = width;
1415                 break;
1416         default:
1417         }
1418 }
1419
1420 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1421                                              GtkCTreeNode *node,
1422                                              const gchar *name)
1423 {
1424         FolderItem *item;
1425
1426         if (!node)
1427                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1428         if (!node)
1429                 return NULL;
1430
1431         node = GTK_CTREE_ROW(node)->children;
1432
1433         while (node) {
1434                 item = gtk_ctree_node_get_row_data(ctree, node);
1435                 if (!folderview_compare_name(item, name))
1436                         return node;
1437                 node = GTK_CTREE_ROW(node)->sibling;
1438         }
1439
1440         return NULL;
1441 }
1442
1443 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1444                                       GtkWidget *widget)
1445 {
1446         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1447         FolderItem *item;
1448
1449         if (!folderview->selected) return;
1450
1451         summary_show(folderview->summaryview, NULL, FALSE);
1452
1453         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1454         g_return_if_fail(item != NULL);
1455         g_return_if_fail(item->folder != NULL);
1456
1457         folderview_update_tree(item->folder);
1458 }
1459
1460 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1461                                      GtkWidget *widget)
1462 {
1463         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1464         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1465         FolderItem *item;
1466         FolderItem *new_item;
1467         gchar *new_folder;
1468         GtkCTreeNode *node;
1469
1470         if (!folderview->selected) return;
1471
1472         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1473         g_return_if_fail(item != NULL);
1474         g_return_if_fail(item->folder != NULL);
1475
1476         new_folder = input_dialog(_("New folder"),
1477                                   _("Input the name of new folder:"),
1478                                   _("NewFolder"));
1479         if (!new_folder) return;
1480
1481         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1482                 alertpanel_error(_("`%c' can't be included in folder name."),
1483                                  G_DIR_SEPARATOR);
1484                 g_free(new_folder);
1485                 return;
1486         }
1487
1488         /* find whether the directory already exists */
1489         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1490                 alertpanel_error(_("The folder `%s' already exists."),
1491                                  new_folder);
1492                 g_free(new_folder);
1493                 return;
1494         }
1495
1496         new_item = item->folder->create_folder(item->folder, item, new_folder);
1497         g_free(new_folder);
1498         if (!new_item) return;
1499
1500         gtk_clist_freeze(GTK_CLIST(ctree));
1501
1502         text[COL_FOLDER] = new_item->name;
1503         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1504                                      FOLDER_SPACING,
1505                                      folderxpm, folderxpmmask,
1506                                      folderopenxpm, folderopenxpmmask,
1507                                      FALSE, FALSE);
1508         gtk_ctree_expand(ctree, folderview->selected);
1509         gtk_ctree_node_set_row_data(ctree, node, new_item);
1510         folderview_sort_folders(folderview, folderview->selected, item->folder);
1511
1512         gtk_clist_thaw(GTK_CLIST(ctree));
1513
1514         folder_write_list();
1515 }
1516
1517 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1518                                           GtkWidget *widget)
1519 {
1520         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1521         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1522         FolderItem *item;
1523         FolderItem *new_item;
1524         gchar *new_folder;
1525         GtkCTreeNode *node;
1526
1527         if (!folderview->selected) return;
1528
1529         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1530         g_return_if_fail(item != NULL);
1531         g_return_if_fail(item->folder != NULL);
1532
1533         new_folder = input_dialog(_("New folder"),
1534                                   _("Input the name of new folder:"),
1535                                   _("NewFolder"));
1536         if (!new_folder) return;
1537
1538         /* find whether the directory already exists */
1539         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1540                 alertpanel_error(_("The folder `%s' already exists."),
1541                                  new_folder);
1542                 g_free(new_folder);
1543                 return;
1544         }
1545
1546         new_item = item->folder->create_folder(item->folder, item, new_folder);
1547         g_free(new_folder);
1548         if (!new_item) return;
1549
1550         gtk_clist_freeze(GTK_CLIST(ctree));
1551
1552         text[COL_FOLDER] = new_item->name;
1553         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1554                                      FOLDER_SPACING,
1555                                      folderxpm, folderxpmmask,
1556                                      folderopenxpm, folderopenxpmmask,
1557                                      FALSE, FALSE);
1558         gtk_ctree_expand(ctree, folderview->selected);
1559         gtk_ctree_node_set_row_data(ctree, node, new_item);
1560         folderview_sort_folders(folderview, folderview->selected, item->folder);
1561
1562         gtk_clist_thaw(GTK_CLIST(ctree));
1563
1564         folder_write_list();
1565 }
1566
1567 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1568                                         GtkWidget *widget)
1569 {
1570         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1571         FolderItem *item;
1572         gchar *new_folder;
1573         gchar *message;
1574
1575         if (!folderview->selected) return;
1576
1577         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1578         g_return_if_fail(item != NULL);
1579         g_return_if_fail(item->path != NULL);
1580         g_return_if_fail(item->folder != NULL);
1581
1582         message = g_strdup_printf(_("Input new name for `%s':"),
1583                                   g_basename(item->path));
1584         new_folder = input_dialog(_("Rename folder"), message,
1585                                   g_basename(item->path));
1586         g_free(message);
1587         if (!new_folder) return;
1588
1589         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1590                 alertpanel_error(_("`%c' can't be included in folder name."),
1591                                  G_DIR_SEPARATOR);
1592                 g_free(new_folder);
1593                 return;
1594         }
1595
1596         if (folderview_find_by_name
1597                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1598                  new_folder)) {
1599                 alertpanel_error(_("The folder `%s' already exists."),
1600                                  new_folder);
1601                 g_free(new_folder);
1602                 return;
1603         }
1604
1605         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1606                 g_free(new_folder);
1607                 return;
1608         }
1609         g_free(new_folder);
1610
1611         gtk_clist_freeze(GTK_CLIST(ctree));
1612
1613         folderview_update_node(folderview, folderview->selected);
1614         folderview_sort_folders(folderview,
1615                                 GTK_CTREE_ROW(folderview->selected)->parent,
1616                                 item->folder);
1617         if (folderview->opened == folderview->selected) {
1618                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1619                         gtk_ctree_expand(ctree, folderview->opened);
1620                 summary_show(folderview->summaryview, item, FALSE);
1621         }
1622
1623         gtk_clist_thaw(GTK_CLIST(ctree));
1624
1625         folder_write_list();
1626 }
1627
1628 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
1629                                              guint action,
1630                                              GtkWidget *widget)
1631 {
1632         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1633         FolderItem *item;
1634         gchar *new_folder;
1635         gchar *message;
1636
1637         if (!folderview->selected) return;
1638
1639         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1640         g_return_if_fail(item != NULL);
1641         g_return_if_fail(item->path != NULL);
1642         g_return_if_fail(item->folder != NULL);
1643
1644         message = g_strdup_printf(_("Input new name for `%s':"),
1645                                   g_basename(item->path));
1646         new_folder = input_dialog(_("Rename folder"), message,
1647                                   g_basename(item->path));
1648         g_free(message);
1649         if (!new_folder) return;
1650
1651         if (folderview_find_by_name
1652                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1653                  new_folder)) {
1654                 alertpanel_error(_("The folder `%s' already exists."),
1655                                  new_folder);
1656                 g_free(new_folder);
1657                 return;
1658         }
1659
1660         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1661                 g_free(new_folder);
1662                 return;
1663         }
1664         g_free(new_folder);
1665
1666         gtk_clist_freeze(GTK_CLIST(ctree));
1667
1668         folderview_update_node(folderview, folderview->selected);
1669         folderview_sort_folders(folderview,
1670                                 GTK_CTREE_ROW(folderview->selected)->parent,
1671                                 item->folder);
1672         if (folderview->opened == folderview->selected) {
1673                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1674                         gtk_ctree_expand(ctree, folderview->opened);
1675                 summary_show(folderview->summaryview, item, FALSE);
1676         }
1677
1678         gtk_clist_thaw(GTK_CLIST(ctree));
1679
1680         folder_write_list();
1681 }
1682
1683 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
1684                                         GtkWidget *widget)
1685 {
1686         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1687         FolderItem *item;
1688         gchar *message;
1689         AlertValue avalue;
1690
1691         if (!folderview->selected) return;
1692
1693         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1694         g_return_if_fail(item != NULL);
1695         g_return_if_fail(item->path != NULL);
1696         g_return_if_fail(item->folder != NULL);
1697
1698         message = g_strdup_printf
1699                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
1700                    "Do you really want to delete?"),
1701                  g_basename(item->path));
1702         avalue = alertpanel(_("Delete folder"), message,
1703                             _("Yes"), _("+No"), NULL);
1704         g_free(message);
1705         if (avalue != G_ALERTDEFAULT) return;
1706
1707         if (item->folder->remove_folder(item->folder, item) < 0) {
1708                 alertpanel_error(_("Can't remove the folder `%s'."),
1709                                  item->path);
1710                 return;
1711         }
1712
1713         if (folderview->opened == folderview->selected ||
1714             gtk_ctree_is_ancestor(ctree,
1715                                   folderview->selected,
1716                                   folderview->opened)) {
1717                 summary_clear_all(folderview->summaryview);
1718                 folderview->opened = NULL;
1719         }
1720
1721         gtk_ctree_remove_node(ctree, folderview->selected);
1722         folder_write_list();
1723 }
1724
1725 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
1726                                          GtkWidget *widget)
1727 {
1728         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1729         GtkCTreeNode *node;
1730         FolderItem *item;
1731         gchar *message;
1732         AlertValue avalue;
1733
1734         if (!folderview->selected) return;
1735         node = folderview->selected;
1736         item = gtk_ctree_node_get_row_data(ctree, node);
1737         g_return_if_fail(item != NULL);
1738         g_return_if_fail(item->folder != NULL);
1739         if (item->parent) return;
1740
1741         message = g_strdup_printf
1742                 (_("Really remove the mailbox `%s' ?\n"
1743                    "(The messages are NOT deleted from disk)"),
1744                  item->folder->name);
1745         avalue = alertpanel(_("Remove folder"), message,
1746                             _("Yes"), _("+No"), NULL);
1747         g_free(message);
1748         if (avalue != G_ALERTDEFAULT) return;
1749
1750         folder_destroy(item->folder);
1751         summary_clear_all(folderview->summaryview);
1752         folderview_unselect(folderview);
1753         gtk_ctree_remove_node(ctree, node);
1754         folder_write_list();
1755 }
1756
1757 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
1758                                           GtkWidget *widget)
1759 {
1760         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1761         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1762         GtkCTreeNode *node;
1763         FolderItem *item;
1764         FolderItem *new_item;
1765         gchar *new_folder;
1766         gchar *p;
1767
1768         if (!folderview->selected) return;
1769
1770         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1771         g_return_if_fail(item != NULL);
1772         g_return_if_fail(item->folder != NULL);
1773         g_return_if_fail(item->folder->type == F_IMAP);
1774         g_return_if_fail(item->folder->account != NULL);
1775
1776         new_folder = input_dialog
1777                 (_("New folder"),
1778                  _("Input the name of new folder:\n"
1779                    "(if you want to create a folder to store subfolders,\n"
1780                    " append `/' at the end of the name)"),
1781                  _("NewFolder"));
1782         if (!new_folder) return;
1783
1784         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
1785             *(p + 1) != '\0') {
1786                 alertpanel_error(_("`%c' can't be included in folder name."),
1787                                  G_DIR_SEPARATOR);
1788                 g_free(new_folder);
1789                 return;
1790         }
1791
1792         /* find whether the directory already exists */
1793         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1794                 alertpanel_error(_("The folder `%s' already exists."),
1795                                  new_folder);
1796                 g_free(new_folder);
1797                 return;
1798         }
1799
1800         new_item = item->folder->create_folder(item->folder, item, new_folder);
1801         if (!new_item) {
1802                 alertpanel_error(_("Can't create the folder `%s'."),
1803                                  new_folder);
1804                 g_free(new_folder);
1805                 return;
1806         }
1807         g_free(new_folder);
1808
1809         gtk_clist_freeze(GTK_CLIST(ctree));
1810
1811         text[COL_FOLDER] = new_item->name;
1812         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1813                                      FOLDER_SPACING,
1814                                      folderxpm, folderxpmmask,
1815                                      folderopenxpm, folderopenxpmmask,
1816                                      FALSE, FALSE);
1817         gtk_ctree_expand(ctree, folderview->selected);
1818         gtk_ctree_node_set_row_data(ctree, node, new_item);
1819         folderview_sort_folders(folderview, folderview->selected, item->folder);
1820
1821         gtk_clist_thaw(GTK_CLIST(ctree));
1822
1823         folder_write_list();
1824 }
1825
1826 static void folderview_rm_imap_folder_cb(FolderView *folderview, guint action,
1827                                          GtkWidget *widget)
1828 {
1829         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1830         FolderItem *item;
1831         gchar *message;
1832         AlertValue avalue;
1833
1834         if (!folderview->selected) return;
1835
1836         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1837         g_return_if_fail(item != NULL);
1838         g_return_if_fail(item->folder != NULL);
1839         g_return_if_fail(item->folder->type == F_IMAP);
1840         g_return_if_fail(item->folder->account != NULL);
1841
1842         message = g_strdup_printf(_("Really delete folder `%s'?"),
1843                                   g_basename(item->path));
1844         avalue = alertpanel(_("Delete folder"), message,
1845                             _("Yes"), _("+No"), NULL);
1846         g_free(message);
1847         if (avalue != G_ALERTDEFAULT) return;
1848
1849         if (item->folder->remove_folder(item->folder, item) < 0) {
1850                 alertpanel_error(_("Can't remove the folder `%s'."),
1851                                  item->path);
1852                 if (folderview->opened == folderview->selected)
1853                         summary_show(folderview->summaryview,
1854                                      folderview->summaryview->folder_item,
1855                                      FALSE);
1856                 return;
1857         }
1858
1859         if (folderview->opened == folderview->selected ||
1860             gtk_ctree_is_ancestor(ctree,
1861                                   folderview->selected,
1862                                   folderview->opened)) {
1863                 summary_clear_all(folderview->summaryview);
1864                 folderview->opened = NULL;
1865         }
1866
1867         gtk_ctree_remove_node(ctree, folderview->selected);
1868         folder_write_list();
1869 }
1870
1871 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
1872                                          GtkWidget *widget)
1873 {
1874         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1875         FolderItem *item;
1876         gchar *message;
1877         AlertValue avalue;
1878
1879         if (!folderview->selected) return;
1880
1881         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1882         g_return_if_fail(item != NULL);
1883         g_return_if_fail(item->folder != NULL);
1884         g_return_if_fail(item->folder->type == F_IMAP);
1885         g_return_if_fail(item->folder->account != NULL);
1886
1887         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"),
1888                                   item->folder->name);
1889         avalue = alertpanel(_("Delete IMAP4 account"), message,
1890                             _("Yes"), _("+No"), NULL);
1891         g_free(message);
1892
1893         if (avalue != G_ALERTDEFAULT) return;
1894
1895         if (folderview->opened == folderview->selected ||
1896             gtk_ctree_is_ancestor(ctree,
1897                                   folderview->selected,
1898                                   folderview->opened)) {
1899                 summary_clear_all(folderview->summaryview);
1900                 folderview->opened = NULL;
1901         }
1902
1903         account_destroy(item->folder->account);
1904         folder_destroy(item->folder);
1905         gtk_ctree_remove_node(ctree, folderview->selected);
1906         account_set_menu();
1907         main_window_reflect_prefs_all();
1908         folder_write_list();
1909 }
1910
1911 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
1912                                          GtkWidget *widget)
1913 {
1914         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1915         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1916         GtkCTreeNode *servernode, *node;
1917         FolderItem *item;
1918         FolderItem *newitem;
1919         gchar *new_group;
1920         const gchar *server;
1921
1922         if (!folderview->selected) return;
1923
1924         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1925         g_return_if_fail(item != NULL);
1926         g_return_if_fail(item->folder != NULL);
1927         g_return_if_fail(item->folder->type == F_NEWS);
1928         g_return_if_fail(item->folder->account != NULL);
1929
1930         new_group = grouplist_dialog(item);
1931         if (!new_group) return;
1932
1933         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
1934                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
1935         else
1936                 servernode = folderview->selected;
1937
1938         if (folderview_find_by_name(ctree, servernode, new_group)) {
1939                 alertpanel_error(_("The newsgroup `%s' already exists."),
1940                                  new_group);
1941                 g_free(new_group);
1942                 return;
1943         }
1944
1945         gtk_clist_freeze(GTK_CLIST(ctree));
1946
1947         text[COL_FOLDER] = new_group;
1948         node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
1949                                      FOLDER_SPACING,
1950                                      folderxpm, folderxpmmask,
1951                                      folderopenxpm, folderopenxpmmask,
1952                                      FALSE, FALSE);
1953         gtk_ctree_expand(ctree, servernode);
1954
1955         item = gtk_ctree_node_get_row_data(ctree, servernode);
1956         server = item->folder->account->nntp_server;
1957
1958         newitem = folder_item_new(new_group, new_group);
1959         g_free(new_group);
1960         folder_item_append(item, newitem);
1961         gtk_ctree_node_set_row_data(ctree, node, newitem);
1962         gtk_ctree_sort_node(ctree, servernode);
1963
1964         gtk_clist_thaw(GTK_CLIST(ctree));
1965
1966         folder_write_list();
1967 }
1968
1969 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
1970                                         GtkWidget *widget)
1971 {
1972         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1973         FolderItem *item;
1974         gchar *message;
1975         AlertValue avalue;
1976
1977         if (!folderview->selected) return;
1978
1979         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1980         g_return_if_fail(item != NULL);
1981         g_return_if_fail(item->folder != NULL);
1982         g_return_if_fail(item->folder->type == F_NEWS);
1983         g_return_if_fail(item->folder->account != NULL);
1984
1985         message = g_strdup_printf(_("Really delete newsgroup `%s'?"),
1986                                   g_basename(item->path));
1987         avalue = alertpanel(_("Delete newsgroup"), message,
1988                             _("Yes"), _("+No"), NULL);
1989         g_free(message);
1990         if (avalue != G_ALERTDEFAULT) return;
1991
1992         if (folderview->opened == folderview->selected) {
1993                 summary_clear_all(folderview->summaryview);
1994                 folderview->opened = NULL;
1995         }
1996
1997         folder_item_remove(item);
1998         gtk_ctree_remove_node(ctree, folderview->selected);
1999         folder_write_list();
2000 }
2001
2002 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
2003                                          GtkWidget *widget)
2004 {
2005         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2006         FolderItem *item;
2007         gchar *message;
2008         AlertValue avalue;
2009
2010         if (!folderview->selected) return;
2011
2012         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2013         g_return_if_fail(item != NULL);
2014         g_return_if_fail(item->folder != NULL);
2015         g_return_if_fail(item->folder->type == F_NEWS);
2016         g_return_if_fail(item->folder->account != NULL);
2017
2018         message = g_strdup_printf(_("Really delete news account `%s'?"),
2019                                   item->folder->name);
2020         avalue = alertpanel(_("Delete news account"), message,
2021                             _("Yes"), _("+No"), NULL);
2022         g_free(message);
2023
2024         if (avalue != G_ALERTDEFAULT) return;
2025
2026         if (folderview->opened == folderview->selected ||
2027             gtk_ctree_is_ancestor(ctree,
2028                                   folderview->selected,
2029                                   folderview->opened)) {
2030                 summary_clear_all(folderview->summaryview);
2031                 folderview->opened = NULL;
2032         }
2033
2034         account_destroy(item->folder->account);
2035         folder_destroy(item->folder);
2036         gtk_ctree_remove_node(ctree, folderview->selected);
2037         account_set_menu();
2038         main_window_reflect_prefs_all();
2039         folder_write_list();
2040 }
2041
2042 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2043                                           GdkDragContext *context,
2044                                           gint            x,
2045                                           gint            y,
2046                                           guint           time,
2047                                           FolderView     *folderview)
2048 {
2049         gint row, column;
2050         FolderItem *item, *current_item;
2051         GtkCTreeNode *node = NULL;
2052         gboolean acceptable = FALSE;
2053
2054         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
2055                                          x - 24, y - 24, &row, &column)) {
2056                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2057                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2058                 current_item = folderview->summaryview->folder_item;
2059                 if (item != NULL &&
2060                     item->path != NULL &&
2061                     current_item != NULL &&
2062                     current_item != item) {
2063                         switch (item->folder->type){
2064                         case F_MH:
2065                                 if (current_item->folder->type == F_MH)
2066                                     acceptable = TRUE;
2067                                 break;
2068                         case F_IMAP:
2069                                 if (current_item->folder->account == item->folder->account)
2070                                     acceptable = TRUE;
2071                                 break;
2072                         default:
2073                         }
2074                 }
2075         }
2076
2077         if (acceptable) {
2078                 gtk_ctree_select(GTK_CTREE(widget), node);
2079                 gdk_drag_status(context, context->suggested_action, time);
2080         } else {
2081                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2082                 gdk_drag_status(context, 0, time);
2083         }
2084
2085         return acceptable;
2086 }
2087
2088 static void folderview_drag_leave_cb(GtkWidget      *widget,
2089                                      GdkDragContext *context,
2090                                      guint           time,
2091                                      FolderView     *folderview)
2092 {
2093         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2094 }
2095
2096 static void folderview_drag_received_cb(GtkWidget        *widget,
2097                                         GdkDragContext   *drag_context,
2098                                         gint              x,
2099                                         gint              y,
2100                                         GtkSelectionData *data,
2101                                         guint             info,
2102                                         guint             time,
2103                                         FolderView       *folderview)
2104 {
2105         gint row, column;
2106         FolderItem *item;
2107         GtkCTreeNode *node;
2108
2109         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
2110                                          x - 24, y - 24, &row, &column) == 0)
2111                 return;
2112
2113         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2114         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2115         if (item != NULL) {
2116                 summary_move_selected_to(folderview->summaryview, item);
2117                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2118         } else
2119                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2120 }
2121
2122 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2123 {
2124         const FolderItem *item = a;
2125         const gchar *name = b;
2126
2127         if (!item->path) return -1;
2128         return strcmp2(g_basename(item->path), name);
2129 }
2130
2131 static void folderview_scoring_cb(FolderView *folderview, guint action,
2132                                    GtkWidget *widget)
2133 {
2134         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2135         FolderItem *item;
2136
2137         if (!folderview->selected) return;
2138
2139         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2140         g_return_if_fail(item != NULL);
2141         g_return_if_fail(item->folder != NULL);
2142
2143         prefs_scoring_open(item);
2144 }