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