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         if (GTK_CTREE_ROW(node)->children)
 980                 gtk_ctree_expand(ctree, node);
 981 }
 982
 983 #define SET_SPECIAL_FOLDER(ctree, item) \
 984 { \
 985         if (item) { \
 986                 GtkCTreeNode *node, *sibling; \
 987  \
 988                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
 989                 if (!node) \
 990                         g_warning("%s not found.\n", item->path); \
 991                 else { \
 992                         if (!prev) \
 993                                 sibling = GTK_CTREE_ROW(root)->children; \
 994                         else \
 995                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
 996                         if (node != sibling) \
 997                                 gtk_ctree_move(ctree, node, root, sibling); \
 998                 } \
 999  \
1000                 prev = node; \
1001         } \
1002 }
1003
1004 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1005                                     Folder *folder)
1006 {
1007         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1008         GtkCTreeNode *prev = NULL;
1009
1010         gtk_ctree_sort_recursive(ctree, root);
1011
1012         if (GTK_CTREE_ROW(root)->parent) return;
1013
1014         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1015         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1016         SET_SPECIAL_FOLDER(ctree, folder->draft);
1017         SET_SPECIAL_FOLDER(ctree, folder->queue);
1018         SET_SPECIAL_FOLDER(ctree, folder->trash);
1019 }
1020
1021 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1022 {
1023         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1024         GtkCTreeNode *root;
1025
1026         g_return_if_fail(folder != NULL);
1027
1028         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1029                                       folderview_gnode_func, folderview);
1030         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1031                                 folderview);
1032         folderview_sort_folders(folderview, root, folder);
1033 }
1034
1035 void folderview_new_folder(FolderView *folderview)
1036 {
1037         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1038         FolderItem *item;
1039
1040         if (!folderview->selected) return;
1041
1042         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1043         g_return_if_fail(item != NULL);
1044         g_return_if_fail(item->folder != NULL);
1045
1046         switch (item->folder->type) {
1047         case F_MBOX:
1048                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1049                 break;
1050         case F_MH:
1051         case F_MAILDIR:
1052                 folderview_new_folder_cb(folderview, 0, NULL);
1053                 break;
1054         case F_IMAP:
1055                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1056                 break;
1057         case F_NEWS:
1058         default:
1059                 break;
1060         }
1061 }
1062
1063 void folderview_rename_folder(FolderView *folderview)
1064 {
1065         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1066         FolderItem *item;
1067
1068         if (!folderview->selected) return;
1069
1070         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1071         g_return_if_fail(item != NULL);
1072         g_return_if_fail(item->folder != NULL);
1073         if (!item->path) return;
1074         if (item->stype != F_NORMAL) return;
1075
1076         switch (item->folder->type) {
1077         case F_MBOX:
1078                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1079         case F_MH:
1080         case F_MAILDIR:
1081                 folderview_rename_folder_cb(folderview, 0, NULL);
1082                 break;
1083         case F_IMAP:
1084         case F_NEWS:
1085         default:
1086                 break;
1087         }
1088 }
1089
1090 void folderview_delete_folder(FolderView *folderview)
1091 {
1092         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1093         FolderItem *item;
1094
1095         if (!folderview->selected) return;
1096
1097         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1098         g_return_if_fail(item != NULL);
1099         g_return_if_fail(item->folder != NULL);
1100         if (!item->path) return;
1101         if (item->stype != F_NORMAL) return;
1102
1103         switch (item->folder->type) {
1104         case F_MH:
1105         case F_MBOX:
1106         case F_MAILDIR:
1107                 folderview_delete_folder_cb(folderview, 0, NULL);
1108                 break;
1109         case F_IMAP:
1110                 folderview_rm_imap_folder_cb(folderview, 0, NULL);
1111         case F_NEWS:
1112         default:
1113                 break;
1114         }
1115 }
1116
1117
1118 /* callback functions */
1119
1120 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1121                                       FolderView *folderview)
1122 {
1123         GtkCList *clist = GTK_CLIST(ctree);
1124         gint prev_row = -1, row = -1, column = -1;
1125         FolderItem *item;
1126         Folder *folder;
1127
1128         if (!event) return;
1129
1130         if (event->button == 1) {
1131                 folderview->open_folder = TRUE;
1132                 return;
1133         }
1134
1135         if (event->button == 2 || event->button == 3) {
1136                 /* right clicked */
1137                 if (clist->selection) {
1138                         GtkCTreeNode *node;
1139
1140                         node = GTK_CTREE_NODE(clist->selection->data);
1141                         if (node)
1142                                 prev_row = gtkut_ctree_get_nth_from_node
1143                                         (GTK_CTREE(ctree), node);
1144                 }
1145
1146                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1147                                                   &row, &column))
1148                         return;
1149                 if (prev_row != row) {
1150                         gtk_clist_unselect_all(clist);
1151                         if (event->button == 2)
1152                                 folderview_select_node
1153                                         (folderview,
1154                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1155                                                             row));
1156                         else
1157                                 gtk_clist_select_row(clist, row, column);
1158                 }
1159         }
1160
1161         if (event->button != 3) return;
1162
1163         item = gtk_clist_get_row_data(clist, row);
1164         g_return_if_fail(item != NULL);
1165         g_return_if_fail(item->folder != NULL);
1166         folder = item->folder;
1167
1168         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mail_popup));
1169         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->imap_popup));
1170         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->news_popup));
1171         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mbox_popup));
1172
1173         if (folder->type == F_MH && item->parent == NULL) {
1174                 menu_set_sensitive(folderview->mail_factory,
1175                                    "/Create new folder...", TRUE);
1176                 menu_set_sensitive(folderview->mail_factory,
1177                                    "/Update folder tree", TRUE);
1178                 menu_set_sensitive(folderview->mail_factory,
1179                                    "/Remove mailbox", TRUE);
1180         } else if (folder->type == F_MH && item->stype != F_NORMAL) {
1181                 menu_set_sensitive(folderview->mail_factory,
1182                                    "/Create new folder...", TRUE);
1183                 menu_set_sensitive(folderview->mail_factory,
1184                                    "/Scoring...", TRUE);
1185         } else if (folder->type == F_MH) {
1186                 menu_set_sensitive(folderview->mail_factory,
1187                                    "/Create new folder...", TRUE);
1188                 menu_set_sensitive(folderview->mail_factory,
1189                                    "/Rename folder...", TRUE);
1190                 menu_set_sensitive(folderview->mail_factory,
1191                                    "/Delete folder", TRUE);
1192                 menu_set_sensitive(folderview->mail_factory,
1193                                    "/Scoring...", TRUE);
1194         } else if (folder->type == F_IMAP && item->parent == NULL) {
1195                 menu_set_sensitive(folderview->imap_factory,
1196                                    "/Create new folder...", TRUE);
1197                 menu_set_sensitive(folderview->imap_factory,
1198                                    "/Update folder tree", TRUE);
1199                 menu_set_sensitive(folderview->imap_factory,
1200                                    "/Remove IMAP4 account", TRUE);
1201         } else if (folder->type == F_IMAP && item->stype != F_NORMAL) {
1202                 menu_set_sensitive(folderview->imap_factory,
1203                                    "/Create new folder...", TRUE);
1204         } else if (folder->type == F_IMAP) {
1205                 menu_set_sensitive(folderview->imap_factory,
1206                                    "/Create new folder...", TRUE);
1207                 menu_set_sensitive(folderview->imap_factory,
1208                                    "/Delete folder", TRUE);
1209                 menu_set_sensitive(folderview->imap_factory,
1210                                    "/Scoring...", TRUE);
1211         } else if (folder->type == F_NEWS && item->parent == NULL) {
1212                 menu_set_sensitive(folderview->news_factory,
1213                                    "/Subscribe to newsgroup...", TRUE);
1214                 menu_set_sensitive(folderview->news_factory,
1215                                    "/Remove news account", TRUE);
1216         } else if (folder->type == F_NEWS) {
1217                 menu_set_sensitive(folderview->news_factory,
1218                                    "/Subscribe to newsgroup...", TRUE);
1219                 menu_set_sensitive(folderview->news_factory,
1220                                    "/Remove newsgroup", TRUE);
1221                 menu_set_sensitive(folderview->news_factory,
1222                                    "/Scoring...", TRUE);
1223         }
1224         if (folder->type == F_MBOX && item->parent == NULL) {
1225                 menu_set_sensitive(folderview->mbox_factory,
1226                                    "/Create new folder...", TRUE);
1227                 menu_set_sensitive(folderview->mbox_factory,
1228                                    "/Remove mailbox", TRUE);
1229         } else if (folder->type == F_MBOX && item->stype != F_NORMAL) {
1230                 menu_set_sensitive(folderview->mbox_factory,
1231                                    "/Create new folder...", TRUE);
1232                 menu_set_sensitive(folderview->mbox_factory,
1233                                    "/Scoring...", TRUE);
1234         } else if (folder->type == F_MBOX) {
1235                 menu_set_sensitive(folderview->mbox_factory,
1236                                    "/Create new folder...", TRUE);
1237                 menu_set_sensitive(folderview->mbox_factory,
1238                                    "/Rename folder...", TRUE);
1239                 menu_set_sensitive(folderview->mbox_factory,
1240                                    "/Delete folder", TRUE);
1241                 menu_set_sensitive(folderview->mbox_factory,
1242                                    "/Scoring...", TRUE);
1243         }
1244
1245         if (folder->type == F_MH)
1246                 gtk_menu_popup(GTK_MENU(folderview->mail_popup), NULL, NULL,
1247                                NULL, NULL, event->button, event->time);
1248         else if (folder->type == F_IMAP)
1249                 gtk_menu_popup(GTK_MENU(folderview->imap_popup), NULL, NULL,
1250                                NULL, NULL, event->button, event->time);
1251         else if (folder->type == F_NEWS)
1252                 gtk_menu_popup(GTK_MENU(folderview->news_popup), NULL, NULL,
1253                                NULL, NULL, event->button, event->time);
1254         else if (folder->type == F_MBOX)
1255                 gtk_menu_popup(GTK_MENU(folderview->mbox_popup), NULL, NULL,
1256                                NULL, NULL, event->button, event->time);
1257 }
1258
1259 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1260                                        FolderView *folderview)
1261 {
1262         if (!event) return;
1263
1264         if (event->button == 1 && folderview->open_folder == FALSE &&
1265             folderview->opened != NULL) {
1266                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1267                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1268                                           folderview->opened);
1269         }
1270 }
1271
1272 #define BREAK_ON_MODIFIER_KEY() \
1273         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1274
1275 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1276                                    FolderView *folderview)
1277 {
1278         if (!event) return;
1279
1280         switch (event->keyval) {
1281         case GDK_Return:
1282         case GDK_space:
1283                 if (folderview->selected) {
1284                         folderview_select_node(folderview,
1285                                                folderview->selected);
1286                 }
1287                 break;
1288         case GDK_v:
1289         case GDK_V:
1290         case GDK_g:
1291         case GDK_G:
1292         case GDK_x:
1293         case GDK_X:
1294         case GDK_w:
1295         case GDK_D:
1296         case GDK_Q:
1297                 BREAK_ON_MODIFIER_KEY();
1298                 summary_pass_key_press_event(folderview->summaryview, event);
1299         default:
1300         }
1301 }
1302
1303 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1304                                 gint column, FolderView *folderview)
1305 {
1306         static gboolean can_select = TRUE;      /* exclusive lock */
1307         gboolean opened;
1308         FolderItem *item;
1309
1310         folderview->selected = row;
1311
1312         if (folderview->opened == row) {
1313                 folderview->open_folder = FALSE;
1314                 return;
1315         }
1316
1317         if (!can_select) {
1318                 gtk_ctree_select(ctree, folderview->opened);
1319                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1320                 return;
1321         }
1322
1323         if (!folderview->open_folder) return;
1324
1325         item = gtk_ctree_node_get_row_data(ctree, row);
1326         if (!item) return;
1327
1328         can_select = FALSE;
1329
1330         if (item->path)
1331                 debug_print(_("Folder %s is selected\n"), item->path);
1332
1333         if (!GTK_CTREE_ROW(row)->children)
1334                 gtk_ctree_expand(ctree, row);
1335         if (folderview->opened &&
1336             !GTK_CTREE_ROW(folderview->opened)->children)
1337                 gtk_ctree_collapse(ctree, folderview->opened);
1338
1339         /* ungrab the mouse event */
1340         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1341                 gtk_grab_remove(GTK_WIDGET(ctree));
1342                 if (gdk_pointer_is_grabbed())
1343                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1344         }
1345
1346         opened = summary_show(folderview->summaryview, item, FALSE);
1347
1348         if (!opened) {
1349                 gtk_ctree_select(ctree, folderview->opened);
1350                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1351         } else
1352                 folderview->opened = row;
1353
1354         folderview->open_folder = FALSE;
1355         can_select = TRUE;
1356 }
1357
1358 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1359                                      FolderView *folderview)
1360 {
1361         folderview_update_node(folderview, node);
1362 }
1363
1364 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1365                                       FolderView *folderview)
1366 {
1367         folderview_update_node(folderview, node);
1368 }
1369
1370 static void folderview_popup_close(GtkMenuShell *menu_shell,
1371                                    FolderView *folderview)
1372 {
1373         if (!folderview->opened) return;
1374
1375         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1376         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1377                                   folderview->opened);
1378 }
1379
1380 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1381                                    FolderView *folderview)
1382 {
1383         switch (column) {
1384         case COL_FOLDER:
1385                 prefs_common.folder_col_folder = width;
1386                 break;
1387         case COL_NEW:
1388                 prefs_common.folder_col_new = width;
1389                 break;
1390         case COL_UNREAD:
1391                 prefs_common.folder_col_unread = width;
1392                 break;
1393         case COL_TOTAL:
1394                 prefs_common.folder_col_total = width;
1395                 break;
1396         default:
1397         }
1398 }
1399
1400 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1401                                              GtkCTreeNode *node,
1402                                              const gchar *name)
1403 {
1404         FolderItem *item;
1405
1406         if (!node)
1407                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1408         if (!node)
1409                 return NULL;
1410
1411         node = GTK_CTREE_ROW(node)->children;
1412
1413         while (node) {
1414                 item = gtk_ctree_node_get_row_data(ctree, node);
1415                 if (!folderview_compare_name(item, name))
1416                         return node;
1417                 node = GTK_CTREE_ROW(node)->sibling;
1418         }
1419
1420         return NULL;
1421 }
1422
1423 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1424                                       GtkWidget *widget)
1425 {
1426         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1427         FolderItem *item;
1428
1429         if (!folderview->selected) return;
1430
1431         summary_show(folderview->summaryview, NULL, FALSE);
1432
1433         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1434         g_return_if_fail(item != NULL);
1435         g_return_if_fail(item->folder != NULL);
1436
1437         folderview_update_tree(item->folder);
1438 }
1439
1440 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1441                                      GtkWidget *widget)
1442 {
1443         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1444         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1445         FolderItem *item;
1446         FolderItem *new_item;
1447         gchar *new_folder;
1448         GtkCTreeNode *node;
1449
1450         if (!folderview->selected) return;
1451
1452         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1453         g_return_if_fail(item != NULL);
1454         g_return_if_fail(item->folder != NULL);
1455
1456         new_folder = input_dialog(_("New folder"),
1457                                   _("Input the name of new folder:"),
1458                                   _("NewFolder"));
1459         if (!new_folder) return;
1460
1461         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1462                 alertpanel_error(_("`%c' can't be included in folder name."),
1463                                  G_DIR_SEPARATOR);
1464                 g_free(new_folder);
1465                 return;
1466         }
1467
1468         /* find whether the directory already exists */
1469         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1470                 alertpanel_error(_("The folder `%s' already exists."),
1471                                  new_folder);
1472                 g_free(new_folder);
1473                 return;
1474         }
1475
1476         new_item = item->folder->create_folder(item->folder, item, new_folder);
1477         g_free(new_folder);
1478         if (!new_item) return;
1479
1480         gtk_clist_freeze(GTK_CLIST(ctree));
1481
1482         text[COL_FOLDER] = new_item->name;
1483         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1484                                      FOLDER_SPACING,
1485                                      folderxpm, folderxpmmask,
1486                                      folderopenxpm, folderopenxpmmask,
1487                                      FALSE, FALSE);
1488         gtk_ctree_expand(ctree, folderview->selected);
1489         gtk_ctree_node_set_row_data(ctree, node, new_item);
1490         folderview_sort_folders(folderview, folderview->selected, item->folder);
1491
1492         gtk_clist_thaw(GTK_CLIST(ctree));
1493
1494         folder_write_list();
1495 }
1496
1497 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1498                                           GtkWidget *widget)
1499 {
1500         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1501         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1502         FolderItem *item;
1503         FolderItem *new_item;
1504         gchar *new_folder;
1505         GtkCTreeNode *node;
1506
1507         if (!folderview->selected) return;
1508
1509         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1510         g_return_if_fail(item != NULL);
1511         g_return_if_fail(item->folder != NULL);
1512
1513         new_folder = input_dialog(_("New folder"),
1514                                   _("Input the name of new folder:"),
1515                                   _("NewFolder"));
1516         if (!new_folder) return;
1517
1518         /* find whether the directory already exists */
1519         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1520                 alertpanel_error(_("The folder `%s' already exists."),
1521                                  new_folder);
1522                 g_free(new_folder);
1523                 return;
1524         }
1525
1526         new_item = item->folder->create_folder(item->folder, item, new_folder);
1527         g_free(new_folder);
1528         if (!new_item) return;
1529
1530         gtk_clist_freeze(GTK_CLIST(ctree));
1531
1532         text[COL_FOLDER] = new_item->name;
1533         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1534                                      FOLDER_SPACING,
1535                                      folderxpm, folderxpmmask,
1536                                      folderopenxpm, folderopenxpmmask,
1537                                      FALSE, FALSE);
1538         gtk_ctree_expand(ctree, folderview->selected);
1539         gtk_ctree_node_set_row_data(ctree, node, new_item);
1540         folderview_sort_folders(folderview, folderview->selected, item->folder);
1541
1542         gtk_clist_thaw(GTK_CLIST(ctree));
1543
1544         folder_write_list();
1545 }
1546
1547 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1548                                         GtkWidget *widget)
1549 {
1550         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1551         FolderItem *item;
1552         gchar *new_folder;
1553         gchar *message;
1554
1555         if (!folderview->selected) return;
1556
1557         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1558         g_return_if_fail(item != NULL);
1559         g_return_if_fail(item->path != NULL);
1560         g_return_if_fail(item->folder != NULL);
1561
1562         message = g_strdup_printf(_("Input new name for `%s':"),
1563                                   g_basename(item->path));
1564         new_folder = input_dialog(_("Rename folder"), message,
1565                                   g_basename(item->path));
1566         g_free(message);
1567         if (!new_folder) return;
1568
1569         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1570                 alertpanel_error(_("`%c' can't be included in folder name."),
1571                                  G_DIR_SEPARATOR);
1572                 g_free(new_folder);
1573                 return;
1574         }
1575
1576         if (folderview_find_by_name
1577                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1578                  new_folder)) {
1579                 alertpanel_error(_("The folder `%s' already exists."),
1580                                  new_folder);
1581                 g_free(new_folder);
1582                 return;
1583         }
1584
1585         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1586                 g_free(new_folder);
1587                 return;
1588         }
1589         g_free(new_folder);
1590
1591         gtk_clist_freeze(GTK_CLIST(ctree));
1592
1593         folderview_update_node(folderview, folderview->selected);
1594         folderview_sort_folders(folderview,
1595                                 GTK_CTREE_ROW(folderview->selected)->parent,
1596                                 item->folder);
1597         if (folderview->opened == folderview->selected) {
1598                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1599                         gtk_ctree_expand(ctree, folderview->opened);
1600                 summary_show(folderview->summaryview, item, FALSE);
1601         }
1602
1603         gtk_clist_thaw(GTK_CLIST(ctree));
1604
1605         folder_write_list();
1606 }
1607
1608 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
1609                                              guint action,
1610                                              GtkWidget *widget)
1611 {
1612         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1613         FolderItem *item;
1614         gchar *new_folder;
1615         gchar *message;
1616
1617         if (!folderview->selected) return;
1618
1619         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1620         g_return_if_fail(item != NULL);
1621         g_return_if_fail(item->path != NULL);
1622         g_return_if_fail(item->folder != NULL);
1623
1624         message = g_strdup_printf(_("Input new name for `%s':"),
1625                                   g_basename(item->path));
1626         new_folder = input_dialog(_("Rename folder"), message,
1627                                   g_basename(item->path));
1628         g_free(message);
1629         if (!new_folder) return;
1630
1631         if (folderview_find_by_name
1632                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1633                  new_folder)) {
1634                 alertpanel_error(_("The folder `%s' already exists."),
1635                                  new_folder);
1636                 g_free(new_folder);
1637                 return;
1638         }
1639
1640         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1641                 g_free(new_folder);
1642                 return;
1643         }
1644         g_free(new_folder);
1645
1646         gtk_clist_freeze(GTK_CLIST(ctree));
1647
1648         folderview_update_node(folderview, folderview->selected);
1649         folderview_sort_folders(folderview,
1650                                 GTK_CTREE_ROW(folderview->selected)->parent,
1651                                 item->folder);
1652         if (folderview->opened == folderview->selected) {
1653                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1654                         gtk_ctree_expand(ctree, folderview->opened);
1655                 summary_show(folderview->summaryview, item, FALSE);
1656         }
1657
1658         gtk_clist_thaw(GTK_CLIST(ctree));
1659
1660         folder_write_list();
1661 }
1662
1663 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
1664                                         GtkWidget *widget)
1665 {
1666         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1667         FolderItem *item;
1668         gchar *message;
1669         AlertValue avalue;
1670
1671         if (!folderview->selected) return;
1672
1673         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1674         g_return_if_fail(item != NULL);
1675         g_return_if_fail(item->path != NULL);
1676         g_return_if_fail(item->folder != NULL);
1677
1678         message = g_strdup_printf
1679                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
1680                    "Do you really want to delete?"),
1681                  g_basename(item->path));
1682         avalue = alertpanel(_("Delete folder"), message,
1683                             _("Yes"), _("+No"), NULL);
1684         g_free(message);
1685         if (avalue != G_ALERTDEFAULT) return;
1686
1687         if (item->folder->remove_folder(item->folder, item) < 0) {
1688                 alertpanel_error(_("Can't remove the folder `%s'."),
1689                                  item->path);
1690                 return;
1691         }
1692
1693         if (folderview->opened == folderview->selected ||
1694             gtk_ctree_is_ancestor(ctree,
1695                                   folderview->selected,
1696                                   folderview->opened)) {
1697                 summary_clear_all(folderview->summaryview);
1698                 folderview->opened = NULL;
1699         }
1700
1701         gtk_ctree_remove_node(ctree, folderview->selected);
1702         folder_write_list();
1703 }
1704
1705 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
1706                                          GtkWidget *widget)
1707 {
1708         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1709         GtkCTreeNode *node;
1710         FolderItem *item;
1711         gchar *message;
1712         AlertValue avalue;
1713
1714         if (!folderview->selected) return;
1715         node = folderview->selected;
1716         item = gtk_ctree_node_get_row_data(ctree, node);
1717         g_return_if_fail(item != NULL);
1718         g_return_if_fail(item->folder != NULL);
1719         if (item->parent) return;
1720
1721         message = g_strdup_printf
1722                 (_("Really remove the mailbox `%s' ?\n"
1723                    "(The messages are NOT deleted from disk)"),
1724                  item->folder->name);
1725         avalue = alertpanel(_("Remove folder"), message,
1726                             _("Yes"), _("+No"), NULL);
1727         g_free(message);
1728         if (avalue != G_ALERTDEFAULT) return;
1729
1730         folder_destroy(item->folder);
1731         summary_clear_all(folderview->summaryview);
1732         folderview_unselect(folderview);
1733         gtk_ctree_remove_node(ctree, node);
1734         folder_write_list();
1735 }
1736
1737 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
1738                                           GtkWidget *widget)
1739 {
1740         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1741         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1742         GtkCTreeNode *node;
1743         FolderItem *item;
1744         FolderItem *new_item;
1745         gchar *new_folder;
1746         gchar *p;
1747
1748         if (!folderview->selected) return;
1749
1750         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1751         g_return_if_fail(item != NULL);
1752         g_return_if_fail(item->folder != NULL);
1753         g_return_if_fail(item->folder->type == F_IMAP);
1754         g_return_if_fail(item->folder->account != NULL);
1755
1756         new_folder = input_dialog
1757                 (_("New folder"),
1758                  _("Input the name of new folder:\n"
1759                    "(if you want to create a folder to store subfolders,\n"
1760                    " append `/' at the end of the name)"),
1761                  _("NewFolder"));
1762         if (!new_folder) return;
1763
1764         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
1765             *(p + 1) != '\0') {
1766                 alertpanel_error(_("`%c' can't be included in folder name."),
1767                                  G_DIR_SEPARATOR);
1768                 g_free(new_folder);
1769                 return;
1770         }
1771
1772         /* find whether the directory already exists */
1773         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1774                 alertpanel_error(_("The folder `%s' already exists."),
1775                                  new_folder);
1776                 g_free(new_folder);
1777                 return;
1778         }
1779
1780         new_item = item->folder->create_folder(item->folder, item, new_folder);
1781         if (!new_item) {
1782                 alertpanel_error(_("Can't create the folder `%s'."),
1783                                  new_folder);
1784                 g_free(new_folder);
1785                 return;
1786         }
1787         g_free(new_folder);
1788
1789         gtk_clist_freeze(GTK_CLIST(ctree));
1790
1791         text[COL_FOLDER] = new_item->name;
1792         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1793                                      FOLDER_SPACING,
1794                                      folderxpm, folderxpmmask,
1795                                      folderopenxpm, folderopenxpmmask,
1796                                      FALSE, FALSE);
1797         gtk_ctree_expand(ctree, folderview->selected);
1798         gtk_ctree_node_set_row_data(ctree, node, new_item);
1799         folderview_sort_folders(folderview, folderview->selected, item->folder);
1800
1801         gtk_clist_thaw(GTK_CLIST(ctree));
1802
1803         folder_write_list();
1804 }
1805
1806 static void folderview_rm_imap_folder_cb(FolderView *folderview, guint action,
1807                                          GtkWidget *widget)
1808 {
1809         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1810         FolderItem *item;
1811         gchar *message;
1812         AlertValue avalue;
1813
1814         if (!folderview->selected) return;
1815
1816         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1817         g_return_if_fail(item != NULL);
1818         g_return_if_fail(item->folder != NULL);
1819         g_return_if_fail(item->folder->type == F_IMAP);
1820         g_return_if_fail(item->folder->account != NULL);
1821
1822         message = g_strdup_printf(_("Really delete folder `%s'?"),
1823                                   g_basename(item->path));
1824         avalue = alertpanel(_("Delete folder"), message,
1825                             _("Yes"), _("+No"), NULL);
1826         g_free(message);
1827         if (avalue != G_ALERTDEFAULT) return;
1828
1829         if (item->folder->remove_folder(item->folder, item) < 0) {
1830                 alertpanel_error(_("Can't remove the folder `%s'."),
1831                                  item->path);
1832                 if (folderview->opened == folderview->selected)
1833                         summary_show(folderview->summaryview,
1834                                      folderview->summaryview->folder_item,
1835                                      FALSE);
1836                 return;
1837         }
1838
1839         if (folderview->opened == folderview->selected ||
1840             gtk_ctree_is_ancestor(ctree,
1841                                   folderview->selected,
1842                                   folderview->opened)) {
1843                 summary_clear_all(folderview->summaryview);
1844                 folderview->opened = NULL;
1845         }
1846
1847         gtk_ctree_remove_node(ctree, folderview->selected);
1848         folder_write_list();
1849 }
1850
1851 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
1852                                          GtkWidget *widget)
1853 {
1854         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1855         FolderItem *item;
1856         gchar *message;
1857         AlertValue avalue;
1858
1859         if (!folderview->selected) return;
1860
1861         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1862         g_return_if_fail(item != NULL);
1863         g_return_if_fail(item->folder != NULL);
1864         g_return_if_fail(item->folder->type == F_IMAP);
1865         g_return_if_fail(item->folder->account != NULL);
1866
1867         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"),
1868                                   item->folder->name);
1869         avalue = alertpanel(_("Delete IMAP4 account"), message,
1870                             _("Yes"), _("+No"), NULL);
1871         g_free(message);
1872
1873         if (avalue != G_ALERTDEFAULT) return;
1874
1875         if (folderview->opened == folderview->selected ||
1876             gtk_ctree_is_ancestor(ctree,
1877                                   folderview->selected,
1878                                   folderview->opened)) {
1879                 summary_clear_all(folderview->summaryview);
1880                 folderview->opened = NULL;
1881         }
1882
1883         account_destroy(item->folder->account);
1884         folder_destroy(item->folder);
1885         gtk_ctree_remove_node(ctree, folderview->selected);
1886         account_set_menu();
1887         main_window_reflect_prefs_all();
1888         folder_write_list();
1889 }
1890
1891 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
1892                                          GtkWidget *widget)
1893 {
1894         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1895         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1896         GtkCTreeNode *servernode, *node;
1897         FolderItem *item;
1898         FolderItem *newitem;
1899         gchar *new_group;
1900         const gchar *server;
1901
1902         if (!folderview->selected) return;
1903
1904         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1905         g_return_if_fail(item != NULL);
1906         g_return_if_fail(item->folder != NULL);
1907         g_return_if_fail(item->folder->type == F_NEWS);
1908         g_return_if_fail(item->folder->account != NULL);
1909
1910         new_group = grouplist_dialog(item);
1911         if (!new_group) return;
1912
1913         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
1914                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
1915         else
1916                 servernode = folderview->selected;
1917
1918         if (folderview_find_by_name(ctree, servernode, new_group)) {
1919                 alertpanel_error(_("The newsgroup `%s' already exists."),
1920                                  new_group);
1921                 g_free(new_group);
1922                 return;
1923         }
1924
1925         gtk_clist_freeze(GTK_CLIST(ctree));
1926
1927         text[COL_FOLDER] = new_group;
1928         node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
1929                                      FOLDER_SPACING,
1930                                      folderxpm, folderxpmmask,
1931                                      folderopenxpm, folderopenxpmmask,
1932                                      FALSE, FALSE);
1933         gtk_ctree_expand(ctree, servernode);
1934
1935         item = gtk_ctree_node_get_row_data(ctree, servernode);
1936         server = item->folder->account->nntp_server;
1937
1938         newitem = folder_item_new(new_group, new_group);
1939         g_free(new_group);
1940         folder_item_append(item, newitem);
1941         gtk_ctree_node_set_row_data(ctree, node, newitem);
1942         gtk_ctree_sort_node(ctree, servernode);
1943
1944         gtk_clist_thaw(GTK_CLIST(ctree));
1945
1946         folder_write_list();
1947 }
1948
1949 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
1950                                         GtkWidget *widget)
1951 {
1952         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1953         FolderItem *item;
1954         gchar *message;
1955         AlertValue avalue;
1956
1957         if (!folderview->selected) return;
1958
1959         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1960         g_return_if_fail(item != NULL);
1961         g_return_if_fail(item->folder != NULL);
1962         g_return_if_fail(item->folder->type == F_NEWS);
1963         g_return_if_fail(item->folder->account != NULL);
1964
1965         message = g_strdup_printf(_("Really delete newsgroup `%s'?"),
1966                                   g_basename(item->path));
1967         avalue = alertpanel(_("Delete newsgroup"), message,
1968                             _("Yes"), _("+No"), NULL);
1969         g_free(message);
1970         if (avalue != G_ALERTDEFAULT) return;
1971
1972         if (folderview->opened == folderview->selected) {
1973                 summary_clear_all(folderview->summaryview);
1974                 folderview->opened = NULL;
1975         }
1976
1977         folder_item_remove(item);
1978         gtk_ctree_remove_node(ctree, folderview->selected);
1979         folder_write_list();
1980 }
1981
1982 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
1983                                          GtkWidget *widget)
1984 {
1985         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1986         FolderItem *item;
1987         gchar *message;
1988         AlertValue avalue;
1989
1990         if (!folderview->selected) return;
1991
1992         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1993         g_return_if_fail(item != NULL);
1994         g_return_if_fail(item->folder != NULL);
1995         g_return_if_fail(item->folder->type == F_NEWS);
1996         g_return_if_fail(item->folder->account != NULL);
1997
1998         message = g_strdup_printf(_("Really delete news account `%s'?"),
1999                                   item->folder->name);
2000         avalue = alertpanel(_("Delete news account"), message,
2001                             _("Yes"), _("+No"), NULL);
2002         g_free(message);
2003
2004         if (avalue != G_ALERTDEFAULT) return;
2005
2006         if (folderview->opened == folderview->selected ||
2007             gtk_ctree_is_ancestor(ctree,
2008                                   folderview->selected,
2009                                   folderview->opened)) {
2010                 summary_clear_all(folderview->summaryview);
2011                 folderview->opened = NULL;
2012         }
2013
2014         account_destroy(item->folder->account);
2015         folder_destroy(item->folder);
2016         gtk_ctree_remove_node(ctree, folderview->selected);
2017         account_set_menu();
2018         main_window_reflect_prefs_all();
2019         folder_write_list();
2020 }
2021
2022 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2023                                           GdkDragContext *context,
2024                                           gint            x,
2025                                           gint            y,
2026                                           guint           time,
2027                                           FolderView     *folderview)
2028 {
2029         gint row, column;
2030         FolderItem *item, *current_item;
2031         GtkCTreeNode *node = NULL;
2032         gboolean acceptable = FALSE;
2033
2034         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
2035                                          x - 24, y - 24, &row, &column)) {
2036                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2037                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2038                 current_item = folderview->summaryview->folder_item;
2039                 if (item != NULL &&
2040                     item->path != NULL &&
2041                     current_item != NULL &&
2042                     current_item != item) {
2043                         switch (item->folder->type){
2044                         case F_MH:
2045                                 if (current_item->folder->type == F_MH)
2046                                     acceptable = TRUE;
2047                                 break;
2048                         case F_IMAP:
2049                                 if (current_item->folder->account == item->folder->account)
2050                                     acceptable = TRUE;
2051                                 break;
2052                         default:
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 }