src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999,2000 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
  57 #include "pixmaps/inbox.xpm"
  58 #include "pixmaps/outbox.xpm"
  59 #include "pixmaps/dir-close.xpm"
  60 #include "pixmaps/dir-open.xpm"
  61 #include "pixmaps/trash.xpm"
  62
  63 typedef enum
  64 {
  65         COL_FOLDER      = 0,
  66         COL_NEW         = 1,
  67         COL_UNREAD      = 2,
  68         COL_TOTAL       = 3
  69 } FolderColumnPos;
  70
  71 #define N_FOLDER_COLS           4
  72 #define COL_FOLDER_WIDTH        150
  73 #define COL_NUM_WIDTH           32
  74
  75 #define STATUSBAR_PUSH(mainwin, str) \
  76 { \
  77         gtk_statusbar_push(GTK_STATUSBAR(mainwin->statusbar), \
  78                            mainwin->folderview_cid, str); \
  79         gtkut_widget_wait_for_draw(mainwin->hbox_stat); \
  80 }
  81
  82 #define STATUSBAR_POP(mainwin) \
  83 { \
  84         gtk_statusbar_pop(GTK_STATUSBAR(mainwin->statusbar), \
  85                           mainwin->folderview_cid); \
  86 }
  87
  88 static GList *folderview_list = NULL;
  89
  90 static GdkFont *normalfont;
  91 static GdkFont *boldfont;
  92
  93 static GdkPixmap *inboxxpm;
  94 static GdkBitmap *inboxxpmmask;
  95 static GdkPixmap *outboxxpm;
  96 static GdkBitmap *outboxxpmmask;
  97 static GdkPixmap *folderxpm;
  98 static GdkBitmap *folderxpmmask;
  99 static GdkPixmap *folderopenxpm;
 100 static GdkBitmap *folderopenxpmmask;
 101 static GdkPixmap *trashxpm;
 102 static GdkBitmap *trashxpmmask;
 103
 104 static void folderview_select_node       (FolderView    *folderview,
 105                                           GtkCTreeNode  *node);
 106 static void folderview_set_folders       (FolderView    *folderview);
 107 static void folderview_sort_folders      (FolderView    *folderview,
 108                                           GtkCTreeNode  *root,
 109                                           Folder        *folder);
 110 static void folderview_append_folder     (FolderView    *folderview,
 111                                           Folder        *folder);
 112 static void folderview_update_node       (FolderView    *folderview,
 113                                           GtkCTreeNode  *node);
 114
 115 static GtkCTreeNode *folderview_find_by_name    (GtkCTree       *ctree,
 116                                                  GtkCTreeNode   *node,
 117                                                  const gchar    *name);
 118
 119 static gint folderview_compare_name     (gconstpointer   a,
 120                                          gconstpointer   b);
 121
 122 /* callback functions */
 123 static void folderview_button_pressed   (GtkWidget      *ctree,
 124                                          GdkEventButton *event,
 125                                          FolderView     *folderview);
 126 static void folderview_button_released  (GtkWidget      *ctree,
 127                                          GdkEventButton *event,
 128                                          FolderView     *folderview);
 129 static void folderview_key_pressed      (GtkWidget      *widget,
 130                                          GdkEventKey    *event,
 131                                          FolderView     *folderview);
 132 static void folderview_selected         (GtkCTree       *ctree,
 133                                          GtkCTreeNode   *row,
 134                                          gint            column,
 135                                          FolderView     *folderview);
 136 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 137                                          FolderView     *folderview);
 138 static void folderview_col_resized      (GtkCList       *clist,
 139                                          gint            column,
 140                                          gint            width,
 141                                          FolderView     *folderview);
 142
 143 static void folderview_new_folder_cb    (FolderView     *folderview,
 144                                          guint           action,
 145                                          GtkWidget      *widget);
 146 static void folderview_rename_folder_cb (FolderView     *folderview,
 147                                          guint           action,
 148                                          GtkWidget      *widget);
 149 static void folderview_delete_folder_cb (FolderView     *folderview,
 150                                          guint           action,
 151                                          GtkWidget      *widget);
 152 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 153                                          guint           action,
 154                                          GtkWidget      *widget);
 155
 156 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 157                                           guint          action,
 158                                           GtkWidget     *widget);
 159 static void folderview_rm_imap_folder_cb (FolderView    *folderview,
 160                                           guint          action,
 161                                           GtkWidget     *widget);
 162 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 163                                           guint          action,
 164                                           GtkWidget     *widget);
 165
 166 static void folderview_new_news_group_cb(FolderView     *folderview,
 167                                          guint           action,
 168                                          GtkWidget      *widget);
 169 static void folderview_rm_news_group_cb (FolderView     *folderview,
 170                                          guint           action,
 171                                          GtkWidget      *widget);
 172 static void folderview_rm_news_server_cb(FolderView     *folderview,
 173                                          guint           action,
 174                                          GtkWidget      *widget);
 175
 176 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 177                                           GdkDragContext *context,
 178                                           gint            x,
 179                                           gint            y,
 180                                           guint           time,
 181                                           FolderView     *folderview);
 182 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 183                                           GdkDragContext   *context,
 184                                           guint             time,
 185                                           FolderView       *folderview);
 186 static void folderview_drag_received_cb  (GtkWidget        *widget,
 187                                           GdkDragContext   *drag_context,
 188                                           gint              x,
 189                                           gint              y,
 190                                           GtkSelectionData *data,
 191                                           guint             info,
 192                                           guint             time,
 193                                           FolderView       *folderview);
 194
 195 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 196 {
 197         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 198         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 199         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 200         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 201         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 202         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 203         {N_("/_Property..."),           NULL, NULL, 0, NULL}
 204 };
 205
 206 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 207 {
 208         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 209         {N_("/_Rename folder..."),      NULL, NULL, 0, NULL},
 210         {N_("/_Delete folder"),         NULL, folderview_rm_imap_folder_cb, 0, NULL},
 211         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 212         {N_("/Remove _IMAP4 server"),   NULL, folderview_rm_imap_server_cb, 0, NULL},
 213         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 214         {N_("/_Property..."),           NULL, NULL, 0, NULL}
 215 };
 216
 217 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 218 {
 219         {N_("/_Subscribe to newsgroup..."),
 220                                          NULL, folderview_new_news_group_cb, 0, NULL},
 221         {N_("/_Remove newsgroup"),       NULL, folderview_rm_news_group_cb, 0, NULL},
 222         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 223         {N_("/Remove _news server"),     NULL, folderview_rm_news_server_cb, 0, NULL},
 224         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 225         {N_("/_Property..."),            NULL, NULL, 0, NULL}
 226 };
 227
 228
 229 FolderView *folderview_create(void)
 230 {
 231         FolderView *folderview;
 232         GtkWidget *scrolledwin;
 233         GtkWidget *ctree;
 234         gchar *titles[N_FOLDER_COLS] = {_("Folder"), _("New"),
 235                                         _("Unread"), _("#")};
 236         GtkWidget *mail_popup;
 237         GtkWidget *news_popup;
 238         GtkWidget *imap_popup;
 239         GtkItemFactory *mail_factory;
 240         GtkItemFactory *news_factory;
 241         GtkItemFactory *imap_factory;
 242         gint n_entries;
 243         gint i;
 244
 245         debug_print(_("Creating folder view...\n"));
 246         folderview = g_new0(FolderView, 1);
 247
 248         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 249         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 250                                        GTK_POLICY_AUTOMATIC,
 251                                        GTK_POLICY_ALWAYS);
 252         gtk_widget_set_usize(scrolledwin,
 253                              prefs_common.folderview_width,
 254                              prefs_common.folderview_height);
 255         //                   COL_FOLDER_WIDTH + COL_NUM_WIDTH - 3, -1);
 256
 257         ctree = gtk_ctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 258         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 259         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 260         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 261                                            GTK_JUSTIFY_RIGHT);
 262         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 263                                            GTK_JUSTIFY_RIGHT);
 264         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 265                                            GTK_JUSTIFY_RIGHT);
 266         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 267                                    prefs_common.folder_col_folder);
 268         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 269                                    prefs_common.folder_col_new);
 270         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 271                                    prefs_common.folder_col_unread);
 272         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 273                                    prefs_common.folder_col_total);
 274         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 275         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 276                                      GTK_CTREE_EXPANDER_SQUARE);
 277         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 278         //gtk_clist_set_reorderable(GTK_CLIST(ctree), TRUE);
 279         /* don't let title buttons take key focus */
 280         for (i = 0; i < N_FOLDER_COLS; i++)
 281                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 282                                        GTK_CAN_FOCUS);
 283
 284         /* popup menu */
 285         n_entries = sizeof(folderview_mail_popup_entries) /
 286                 sizeof(folderview_mail_popup_entries[0]);
 287         mail_popup = menu_create_items(folderview_mail_popup_entries,
 288                                        n_entries,
 289                                        "<MailFolder>", &mail_factory,
 290                                        folderview);
 291         n_entries = sizeof(folderview_imap_popup_entries) /
 292                 sizeof(folderview_imap_popup_entries[0]);
 293         imap_popup = menu_create_items(folderview_imap_popup_entries,
 294                                        n_entries,
 295                                        "<IMAPFolder>", &imap_factory,
 296                                        folderview);
 297         n_entries = sizeof(folderview_news_popup_entries) /
 298                 sizeof(folderview_news_popup_entries[0]);
 299         news_popup = menu_create_items(folderview_news_popup_entries,
 300                                        n_entries,
 301                                        "<NewsFolder>", &news_factory,
 302                                        folderview);
 303
 304         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 305                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 306                            folderview);
 307         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 308                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 309                            folderview);
 310         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 311                            GTK_SIGNAL_FUNC(folderview_button_released),
 312                            folderview);
 313         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 314                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 315         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 316                            GTK_SIGNAL_FUNC(folderview_col_resized),
 317                            folderview);
 318
 319         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 320                            GTK_SIGNAL_FUNC(folderview_popup_close),
 321                            folderview);
 322         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 323                            GTK_SIGNAL_FUNC(folderview_popup_close),
 324                            folderview);
 325         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 326                            GTK_SIGNAL_FUNC(folderview_popup_close),
 327                            folderview);
 328
 329         /* drop callback */
 330         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL &
 331                           ~GTK_DEST_DEFAULT_HIGHLIGHT,
 332                           summary_drag_types, 1,
 333                           GDK_ACTION_MOVE);
 334         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 335                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 336                            folderview);
 337         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 338                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 339                            folderview);
 340         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 341                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 342                            folderview);
 343
 344         folderview->scrolledwin  = scrolledwin;
 345         folderview->ctree        = ctree;
 346         folderview->mail_popup   = mail_popup;
 347         folderview->mail_factory = mail_factory;
 348         folderview->imap_popup   = imap_popup;
 349         folderview->imap_factory = imap_factory;
 350         folderview->news_popup   = news_popup;
 351         folderview->news_factory = news_factory;
 352
 353         gtk_widget_show_all(scrolledwin);
 354
 355         folderview_list = g_list_append(folderview_list, folderview);
 356
 357         return folderview;
 358 }
 359
 360 void folderview_init(FolderView *folderview)
 361 {
 362         GtkWidget *ctree = folderview->ctree;
 363
 364         PIXMAP_CREATE(ctree, inboxxpm, inboxxpmmask, inbox_xpm);
 365         PIXMAP_CREATE(ctree, outboxxpm, outboxxpmmask, outbox_xpm);
 366         PIXMAP_CREATE(ctree, folderxpm, folderxpmmask, DIRECTORY_CLOSE_XPM);
 367         PIXMAP_CREATE(ctree, folderopenxpm, folderopenxpmmask,
 368                       DIRECTORY_OPEN_XPM);
 369         PIXMAP_CREATE(ctree, trashxpm, trashxpmmask, trash_xpm);
 370
 371         if (!normalfont)
 372                 normalfont = gdk_fontset_load(NORMAL_FONT);
 373         if (!boldfont)
 374                 boldfont = gdk_fontset_load(BOLD_FONT);
 375 }
 376
 377 void folderview_set(FolderView *folderview)
 378 {
 379         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 380         MainWindow *mainwin = folderview->mainwin;
 381
 382         debug_print(_("Setting folder info...\n"));
 383         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 384
 385         main_window_cursor_wait(mainwin);
 386
 387         folderview->selected = NULL;
 388         folderview->opened = NULL;
 389
 390         gtk_clist_freeze(GTK_CLIST(ctree));
 391         gtk_clist_clear(GTK_CLIST(ctree));
 392         gtk_clist_thaw(GTK_CLIST(ctree));
 393         gtk_clist_freeze(GTK_CLIST(ctree));
 394
 395         folderview_set_folders(folderview);
 396
 397         gtk_clist_thaw(GTK_CLIST(ctree));
 398         main_window_cursor_normal(mainwin);
 399         STATUSBAR_POP(mainwin);
 400 }
 401
 402 void folderview_select(FolderView *folderview, FolderItem *item)
 403 {
 404         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 405         GtkCTreeNode *node;
 406
 407         if (!item) return;
 408
 409         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 410         if (node) folderview_select_node(folderview, node);
 411 }
 412
 413 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 414 {
 415         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 416
 417         g_return_if_fail(node != NULL);
 418
 419         folderview->open_folder = TRUE;
 420         gtk_ctree_select(ctree, node);
 421         gtkut_ctree_set_focus_row(ctree, node);
 422         if (folderview->summaryview->messages > 0)
 423                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 424         else
 425                 gtk_widget_grab_focus(folderview->ctree);
 426 }
 427
 428 void folderview_unselect(FolderView *folderview)
 429 {
 430         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 431                 gtk_ctree_collapse
 432                         (GTK_CTREE(folderview->ctree), folderview->opened);
 433
 434         folderview->selected = folderview->opened = NULL;
 435 }
 436
 437 void folderview_select_next_unread(FolderView *folderview)
 438 {
 439         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 440         GtkCTreeNode *node;
 441         FolderItem *item;
 442
 443         if (folderview->opened)
 444                 node = GTK_CTREE_NODE_NEXT(folderview->opened);
 445         else
 446                 node = gtk_ctree_node_nth(ctree, 1);
 447
 448         for (; node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
 449                 item = gtk_ctree_node_get_row_data(ctree, node);
 450                 if (item && (item->unread > 0 || item->new > 0) &&
 451                     item->stype != F_TRASH) {
 452                         folderview_select_node(folderview, node);
 453                         return;
 454                 }
 455         }
 456         if (!folderview->opened) return;
 457         /* search again from the first node */
 458         for (node = gtk_ctree_node_nth(ctree, 1); node != NULL;
 459              node = GTK_CTREE_NODE_NEXT(node)) {
 460                 item = gtk_ctree_node_get_row_data(ctree, node);
 461                 if (item && (item->unread > 0 || item->new > 0) &&
 462                     item->stype != F_TRASH) {
 463                         folderview_select_node(folderview, node);
 464                         return;
 465                 }
 466         }
 467 }
 468
 469 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row,
 470                                gint new, gint unread, gint total)
 471 {
 472         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 473         static GtkCTreeNode *prev_row = NULL;
 474         FolderItem *item;
 475
 476         if (!row) return;
 477
 478         item = gtk_ctree_node_get_row_data(ctree, row);
 479         if (!item) return;
 480         if (prev_row     == row    &&
 481             item->new    == new    &&
 482             item->unread == unread &&
 483             item->total  == total)
 484                 return;
 485
 486         prev_row = row;
 487
 488         item->new    = new;
 489         item->unread = unread;
 490         item->total  = total;
 491
 492         folderview_update_node(folderview, row);
 493 }
 494
 495 static void folderview_set_folders(FolderView *folderview)
 496 {
 497         GList *list;
 498
 499         list = folder_get_list();
 500
 501         for (; list != NULL; list = list->next)
 502                 folderview_append_folder(folderview, FOLDER(list->data));
 503 }
 504
 505 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 506                                       gpointer data)
 507 {
 508         GList *list;
 509
 510         for (list = folderview_list; list != NULL; list = list->next) {
 511                 FolderView *folderview = (FolderView *)list->data;
 512                 MainWindow *mainwin = folderview->mainwin;
 513                 gchar *str;
 514
 515                 if (item->path)
 516                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 517                                               LOCAL_FOLDER(folder)->rootpath,
 518                                               G_DIR_SEPARATOR,
 519                                               item->path);
 520                 else
 521                         str = g_strdup_printf(_("Scanning folder %s ..."),
 522                                               LOCAL_FOLDER(folder)->rootpath);
 523
 524                 STATUSBAR_PUSH(mainwin, str);
 525                 STATUSBAR_POP(mainwin);
 526                 g_free(str);
 527         }
 528 }
 529
 530 static GtkWidget *label_window_create(const gchar *str)
 531 {
 532         GtkWidget *window;
 533         GtkWidget *label;
 534
 535         window = gtk_window_new(GTK_WINDOW_DIALOG);
 536         gtk_widget_set_usize(window, 380, 60);
 537         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 538         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 539         gtk_window_set_title(GTK_WINDOW(window), str);
 540         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 541         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 542         manage_window_set_transient(GTK_WINDOW(window));
 543
 544         label = gtk_label_new(str);
 545         gtk_container_add(GTK_CONTAINER(window), label);
 546         gtk_widget_show(label);
 547
 548         gtk_widget_show_now(window);
 549
 550         return window;
 551 }
 552
 553 void folderview_update_all(void)
 554 {
 555         GList *list;
 556         GtkWidget *window;
 557
 558         window = label_window_create(_("Updating all folders..."));
 559
 560         list = folder_get_list();
 561         for (; list != NULL; list = list->next) {
 562                 Folder *folder = list->data;
 563
 564                 if (!folder->scan_tree) continue;
 565                 folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 566                 folder->scan_tree(folder);
 567                 folder_set_ui_func(folder, NULL, NULL);
 568         }
 569
 570         folder_write_list();
 571
 572         for (list = folderview_list; list != NULL; list = list->next) {
 573                 FolderView *folderview = (FolderView *)list->data;
 574
 575                 folderview_set(folderview);
 576         }
 577
 578         gtk_widget_destroy(window);
 579 }
 580
 581 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 582 {
 583         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 584         GtkStyle *style, *prev_style, *ctree_style;
 585         FolderItem *item;
 586         GdkPixmap *xpm, *openxpm;
 587         GdkBitmap *mask, *openmask;
 588         gchar *name;
 589
 590         item = gtk_ctree_node_get_row_data(ctree, node);
 591         g_return_if_fail(item != NULL);
 592
 593         switch (item->stype) {
 594         case F_INBOX:
 595                 xpm = openxpm = inboxxpm;
 596                 mask = openmask = inboxxpmmask;
 597                 name = g_strdup(_("Inbox"));
 598                 break;
 599         case F_OUTBOX:
 600                 xpm = openxpm = outboxxpm;
 601                 mask = openmask = outboxxpmmask;
 602                 name = g_strdup(_("Outbox"));
 603                 break;
 604         case F_QUEUE:
 605                 xpm = openxpm = outboxxpm;
 606                 mask = openmask = outboxxpmmask;
 607                 name = g_strdup(_("Queue"));
 608                 break;
 609         case F_TRASH:
 610                 xpm = openxpm = trashxpm;
 611                 mask = openmask = trashxpmmask;
 612                 name = g_strdup(_("Trash"));
 613                 break;
 614         case F_DRAFT:
 615                 xpm = folderxpm;
 616                 mask = folderxpmmask;
 617                 openxpm = folderopenxpm;
 618                 openmask = folderopenxpmmask;
 619                 name = g_strdup(_("Draft"));
 620                 break;
 621         default:
 622                 xpm = folderxpm;
 623                 mask = folderxpmmask;
 624                 openxpm = folderopenxpm;
 625                 openmask = folderopenxpmmask;
 626                 if (!item->parent) {
 627                         switch (item->folder->type) {
 628                         case F_MH:
 629                                 name = " (MH)"; break;
 630                         case F_IMAP:
 631                                 name = " (IMAP4)"; break;
 632                         case F_NEWS:
 633                                 name = " (News)"; break;
 634                         default:
 635                                 name = "";
 636                         }
 637                         name = g_strconcat(item->name, name, NULL);
 638                 } else
 639                         name = g_strdup(item->name);
 640         }
 641         if (item->unread > 0 && prefs_common.display_folder_unread) {
 642                 gchar *str;
 643
 644                 str = g_strdup_printf("%s (%d)", name, item->unread);
 645                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
 646                                         xpm, mask, openxpm, openmask,
 647                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 648                 g_free(str);
 649         } else
 650                 gtk_ctree_set_node_info(ctree, node, name, FOLDER_SPACING,
 651                                         xpm, mask, openxpm, openmask,
 652                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 653         g_free(name);
 654
 655         if (!item->parent) {
 656                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
 657                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
 658                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
 659                 return;
 660         } else {
 661                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new));
 662                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread));
 663                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total));
 664         }
 665
 666         if (item->stype == F_TRASH) return;
 667
 668         ctree_style = gtk_widget_get_style(GTK_WIDGET(ctree));
 669         prev_style = gtk_ctree_node_get_row_style(ctree, node);
 670         if (!prev_style)
 671                 prev_style = ctree_style;
 672         style = gtk_style_copy(prev_style);
 673
 674         if (style) {
 675                 gboolean use_bold, use_color;
 676
 677                 if (item->stype == F_QUEUE) {
 678                         /* highlight queue folder if there are any messages */
 679                         use_bold = use_color = (item->total > 0);
 680                 } else {
 681                         /* if unread messages exist, print with bold font */
 682                         use_bold = (item->unread > 0);
 683                         /* if new messages exist, print with colored letter */
 684                         use_color = (item->new > 0);
 685                 }
 686
 687                 if (use_bold && boldfont)
 688                         style->font = boldfont;
 689                 else
 690                         style->font = ctree_style->font;
 691
 692                 if (use_color) {
 693                         style->fg[GTK_STATE_NORMAL]   = folderview->color_new;
 694                         style->fg[GTK_STATE_SELECTED] = folderview->color_new;
 695                 } else {
 696                         style->fg[GTK_STATE_NORMAL] =
 697                                 ctree_style->fg[GTK_STATE_NORMAL];
 698                         style->fg[GTK_STATE_SELECTED] =
 699                                 ctree_style->fg[GTK_STATE_SELECTED];
 700                 }
 701
 702                 gtk_ctree_node_set_row_style(ctree, node, style);
 703         }
 704 }
 705
 706 void folderview_update_item(FolderItem *item, gboolean update_summary)
 707 {
 708         GList *list;
 709         FolderView *folderview;
 710         GtkCTree *ctree;
 711         GtkCTreeNode *node;
 712
 713         g_return_if_fail(item != NULL);
 714
 715         for (list = folderview_list; list != NULL; list = list->next) {
 716                 folderview = (FolderView *)list->data;
 717                 ctree = GTK_CTREE(folderview->ctree);
 718
 719                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 720                 if (node) {
 721                         folderview_update_node(folderview, node);
 722                         if (update_summary && folderview->opened == node)
 723                                 summary_show(folderview->summaryview,
 724                                              item, FALSE);
 725                 }
 726         }
 727 }
 728
 729 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
 730                                                 gpointer data)
 731 {
 732         folderview_update_item((FolderItem *)key, FALSE);
 733 }
 734
 735 void folderview_update_item_foreach(GHashTable *table)
 736 {
 737         g_hash_table_foreach(table, folderview_update_item_foreach_func, NULL);
 738 }
 739
 740 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
 741                                       GNode *gnode, GtkCTreeNode *cnode,
 742                                       gpointer data)
 743 {
 744         FolderView *folderview = (FolderView *)data;
 745         FolderItem *item = FOLDER_ITEM(gnode->data);
 746
 747         g_return_val_if_fail(item != NULL, FALSE);
 748
 749         gtk_ctree_node_set_row_data(ctree, cnode, item);
 750         folderview_update_node(folderview, cnode);
 751
 752         return TRUE;
 753 }
 754
 755 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
 756                                    gpointer data)
 757 {
 758         if (GTK_CTREE_ROW(node)->children)
 759                 gtk_ctree_expand(ctree, node);
 760 }
 761
 762 #define SET_SPECIAL_FOLDER(ctree, item) \
 763 { \
 764         if (item) { \
 765                 GtkCTreeNode *node, *sibling; \
 766  \
 767                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
 768                 if (!node) \
 769                         g_warning("%s not found.\n", item->path); \
 770                 else { \
 771                         if (!prev) \
 772                                 sibling = GTK_CTREE_ROW(root)->children; \
 773                         else \
 774                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
 775                         if (node != sibling) \
 776                                 gtk_ctree_move(ctree, node, root, sibling); \
 777                 } \
 778  \
 779                 prev = node; \
 780         } \
 781 }
 782
 783 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
 784                                     Folder *folder)
 785 {
 786         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 787         GtkCTreeNode *prev = NULL;
 788
 789         gtk_ctree_sort_recursive(ctree, root);
 790
 791         if (GTK_CTREE_ROW(root)->parent) return;
 792
 793         SET_SPECIAL_FOLDER(ctree, folder->inbox);
 794         SET_SPECIAL_FOLDER(ctree, folder->outbox);
 795         SET_SPECIAL_FOLDER(ctree, folder->draft);
 796         SET_SPECIAL_FOLDER(ctree, folder->queue);
 797         SET_SPECIAL_FOLDER(ctree, folder->trash);
 798 }
 799
 800 static void folderview_append_folder(FolderView *folderview, Folder *folder)
 801 {
 802         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 803         GtkCTreeNode *root;
 804
 805         g_return_if_fail(folder != NULL);
 806
 807         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
 808                                       folderview_gnode_func, folderview);
 809         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
 810                                 folderview);
 811         folderview_sort_folders(folderview, root, folder);
 812 }
 813
 814 void folderview_new_folder(FolderView *folderview)
 815 {
 816         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 817         FolderItem *item;
 818
 819         if (!folderview->selected) return;
 820
 821         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 822         g_return_if_fail(item != NULL);
 823         g_return_if_fail(item->folder != NULL);
 824
 825         switch (item->folder->type) {
 826         case F_MH:
 827         case F_MBOX:
 828         case F_MAILDIR:
 829                 folderview_new_folder_cb(folderview, 0, NULL);
 830                 break;
 831         case F_IMAP:
 832                 folderview_new_imap_folder_cb(folderview, 0, NULL);
 833                 break;
 834         case F_NEWS:
 835         default:
 836                 break;
 837         }
 838 }
 839
 840 void folderview_rename_folder(FolderView *folderview)
 841 {
 842         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 843         FolderItem *item;
 844
 845         if (!folderview->selected) return;
 846
 847         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 848         g_return_if_fail(item != NULL);
 849         g_return_if_fail(item->folder != NULL);
 850         if (!item->path) return;
 851         if (item->stype != F_NORMAL) return;
 852
 853         switch (item->folder->type) {
 854         case F_MH:
 855         case F_MBOX:
 856         case F_MAILDIR:
 857                 folderview_rename_folder_cb(folderview, 0, NULL);
 858                 break;
 859         case F_IMAP:
 860         case F_NEWS:
 861         default:
 862                 break;
 863         }
 864 }
 865
 866 void folderview_delete_folder(FolderView *folderview)
 867 {
 868         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 869         FolderItem *item;
 870
 871         if (!folderview->selected) return;
 872
 873         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 874         g_return_if_fail(item != NULL);
 875         g_return_if_fail(item->folder != NULL);
 876         if (!item->path) return;
 877         if (item->stype != F_NORMAL) return;
 878
 879         switch (item->folder->type) {
 880         case F_MH:
 881         case F_MBOX:
 882         case F_MAILDIR:
 883                 folderview_delete_folder_cb(folderview, 0, NULL);
 884                 break;
 885         case F_IMAP:
 886                 folderview_rm_imap_folder_cb(folderview, 0, NULL);
 887         case F_NEWS:
 888         default:
 889                 break;
 890         }
 891 }
 892
 893
 894 /* callback functions */
 895
 896 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
 897                                       FolderView *folderview)
 898 {
 899         GtkCList *clist = GTK_CLIST(ctree);
 900         gint prev_row = -1, row = -1, column = -1;
 901         FolderItem *item;
 902         Folder *folder;
 903
 904         if (!event) return;
 905
 906         if (event->button == 1) {
 907                 folderview->open_folder = TRUE;
 908                 return;
 909         }
 910
 911         if (event->button == 2 || event->button == 3) {
 912                 /* right clicked */
 913                 if (clist->selection) {
 914                         GtkCTreeNode *node;
 915
 916                         node = GTK_CTREE_NODE(clist->selection->data);
 917                         if (node)
 918                                 prev_row = gtkut_ctree_get_nth_from_node
 919                                         (GTK_CTREE(ctree), node);
 920                 }
 921
 922                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 923                                                   &row, &column))
 924                         return;
 925                 if (prev_row != row) {
 926                         gtk_clist_unselect_all(clist);
 927                         if (event->button == 2)
 928                                 folderview_select_node
 929                                         (folderview,
 930                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
 931                                                             row));
 932                         else
 933                                 gtk_clist_select_row(clist, row, column);
 934                 }
 935         }
 936
 937         if (event->button != 3) return;
 938
 939         item = gtk_clist_get_row_data(clist, row);
 940         g_return_if_fail(item != NULL);
 941         g_return_if_fail(item->folder != NULL);
 942         folder = item->folder;
 943
 944         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mail_popup));
 945         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->imap_popup));
 946         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->news_popup));
 947
 948         if (folder->type == F_MH && item->parent == NULL) {
 949                 menu_set_sensitive(folderview->mail_factory,
 950                                    "/Create new folder...", TRUE);
 951                 menu_set_sensitive(folderview->mail_factory,
 952                                    "/Remove mailbox", TRUE);
 953         } else if (folder->type == F_MH && item->stype != F_NORMAL) {
 954                 menu_set_sensitive(folderview->mail_factory,
 955                                    "/Create new folder...", TRUE);
 956         } else if (folder->type == F_MH) {
 957                 menu_set_sensitive(folderview->mail_factory,
 958                                    "/Create new folder...", TRUE);
 959                 menu_set_sensitive(folderview->mail_factory,
 960                                    "/Rename folder...", TRUE);
 961                 menu_set_sensitive(folderview->mail_factory,
 962                                    "/Delete folder", TRUE);
 963         } else if (folder->type == F_IMAP && item->parent == NULL) {
 964                 menu_set_sensitive(folderview->imap_factory,
 965                                    "/Create new folder...", TRUE);
 966                 menu_set_sensitive(folderview->imap_factory,
 967                                    "/Remove IMAP4 server", TRUE);
 968         } else if (folder->type == F_IMAP && item->parent != NULL) {
 969                 menu_set_sensitive(folderview->imap_factory,
 970                                    "/Create new folder...", TRUE);
 971                 menu_set_sensitive(folderview->imap_factory,
 972                                    "/Delete folder", TRUE);
 973         } else if (folder->type == F_NEWS && item->parent == NULL) {
 974                 menu_set_sensitive(folderview->news_factory,
 975                                    "/Subscribe to newsgroup...", TRUE);
 976                 menu_set_sensitive(folderview->news_factory,
 977                                    "/Remove news server", TRUE);
 978         } else if (folder->type == F_NEWS && item->parent != NULL) {
 979                 menu_set_sensitive(folderview->news_factory,
 980                                    "/Subscribe to newsgroup...", TRUE);
 981                 menu_set_sensitive(folderview->news_factory,
 982                                    "/Remove newsgroup", TRUE);
 983         }
 984
 985         if (folder->type == F_MH)
 986                 gtk_menu_popup(GTK_MENU(folderview->mail_popup), NULL, NULL,
 987                                NULL, NULL, event->button, event->time);
 988         else if (folder->type == F_IMAP)
 989                 gtk_menu_popup(GTK_MENU(folderview->imap_popup), NULL, NULL,
 990                                NULL, NULL, event->button, event->time);
 991         else if (folder->type == F_NEWS)
 992                 gtk_menu_popup(GTK_MENU(folderview->news_popup), NULL, NULL,
 993                                NULL, NULL, event->button, event->time);
 994 }
 995
 996 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
 997                                        FolderView *folderview)
 998 {
 999         if (!event) return;
1000
1001         if (event->button == 1 && folderview->opened != NULL) {
1002                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1003                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1004                                           folderview->opened);
1005         }
1006 }
1007
1008 #define BREAK_ON_MODIFIER_KEY() \
1009         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1010
1011 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1012                                    FolderView *folderview)
1013 {
1014         if (!event) return;
1015
1016         switch (event->keyval) {
1017         case GDK_Return:
1018         case GDK_space:
1019                 if (folderview->selected) {
1020                         folderview_select_node(folderview,
1021                                                folderview->selected);
1022                 }
1023                 break;
1024         case GDK_v:
1025         case GDK_V:
1026         case GDK_g:
1027         case GDK_G:
1028         case GDK_x:
1029         case GDK_X:
1030         case GDK_w:
1031         case GDK_D:
1032         case GDK_Q:
1033                 BREAK_ON_MODIFIER_KEY();
1034                 summary_pass_key_press_event(folderview->summaryview, event);
1035         default:
1036         }
1037 }
1038
1039 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1040                                 gint column, FolderView *folderview)
1041 {
1042         static gboolean can_select = TRUE;      /* exclusive lock */
1043         FolderItem *item;
1044
1045         folderview->selected = row;
1046
1047         if (folderview->opened == row) {
1048                 folderview->open_folder = FALSE;
1049                 return;
1050         }
1051
1052         if (!can_select) {
1053                 gtk_ctree_select(ctree, folderview->opened);
1054                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1055                 return;
1056         }
1057
1058         if (!folderview->open_folder) return;
1059         folderview->open_folder = FALSE;
1060
1061         item = gtk_ctree_node_get_row_data(ctree, row);
1062         if (!item) return;
1063
1064         can_select = FALSE;
1065
1066         if (item->path)
1067                 debug_print(_("Folder %s is selected\n"), item->path);
1068
1069         if (!GTK_CTREE_ROW(row)->children)
1070                 gtk_ctree_expand(ctree, row);
1071         if (folderview->opened &&
1072             !GTK_CTREE_ROW(folderview->opened)->children)
1073                 gtk_ctree_collapse(ctree, folderview->opened);
1074
1075         folderview->opened = row;
1076
1077         summary_show(folderview->summaryview, item, FALSE);
1078
1079         can_select = TRUE;
1080 }
1081
1082 static void folderview_popup_close(GtkMenuShell *menu_shell,
1083                                    FolderView *folderview)
1084 {
1085         if (!folderview->opened) return;
1086
1087         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1088         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1089                                   folderview->opened);
1090 }
1091
1092 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1093                                    FolderView *folderview)
1094 {
1095         switch (column) {
1096         case COL_FOLDER:
1097                 prefs_common.folder_col_folder = width;
1098                 break;
1099         case COL_NEW:
1100                 prefs_common.folder_col_new = width;
1101                 break;
1102         case COL_UNREAD:
1103                 prefs_common.folder_col_unread = width;
1104                 break;
1105         case COL_TOTAL:
1106                 prefs_common.folder_col_total = width;
1107                 break;
1108         default:
1109         }
1110 }
1111
1112 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1113                                              GtkCTreeNode *node,
1114                                              const gchar *name)
1115 {
1116         FolderItem *item;
1117
1118         if (!node)
1119                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1120         if (!node)
1121                 return NULL;
1122
1123         node = GTK_CTREE_ROW(node)->children;
1124
1125         while (node) {
1126                 item = gtk_ctree_node_get_row_data(ctree, node);
1127                 if (!folderview_compare_name(item, name))
1128                         return node;
1129                 node = GTK_CTREE_ROW(node)->sibling;
1130         }
1131
1132         return NULL;
1133 }
1134
1135 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1136                                      GtkWidget *widget)
1137 {
1138         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1139         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1140         FolderItem *item;
1141         FolderItem *new_item;
1142         gchar *new_folder;
1143         GtkCTreeNode *node;
1144
1145         if (!folderview->selected) return;
1146
1147         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1148         g_return_if_fail(item != NULL);
1149         g_return_if_fail(item->folder != NULL);
1150
1151         new_folder = input_dialog(_("New folder"),
1152                                   _("Input the name of new folder:"),
1153                                   _("NewFolder"));
1154         if (!new_folder) return;
1155
1156         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1157                 alertpanel_error(_("`%c' can't be included in folder name."),
1158                                  G_DIR_SEPARATOR);
1159                 g_free(new_folder);
1160                 return;
1161         }
1162
1163         /* find whether the directory already exists */
1164         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1165                 alertpanel_error(_("The folder `%s' already exists."),
1166                                  new_folder);
1167                 g_free(new_folder);
1168                 return;
1169         }
1170
1171         new_item = item->folder->create_folder(item->folder, item, new_folder);
1172         g_free(new_folder);
1173         if (!new_item) return;
1174
1175         gtk_clist_freeze(GTK_CLIST(ctree));
1176
1177         text[COL_FOLDER] = new_item->name;
1178         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1179                                      FOLDER_SPACING,
1180                                      folderxpm, folderxpmmask,
1181                                      folderopenxpm, folderopenxpmmask,
1182                                      FALSE, FALSE);
1183         gtk_ctree_expand(ctree, folderview->selected);
1184         gtk_ctree_node_set_row_data(ctree, node, new_item);
1185         folderview_sort_folders(folderview, folderview->selected, item->folder);
1186
1187         gtk_clist_thaw(GTK_CLIST(ctree));
1188
1189         folder_write_list();
1190 }
1191
1192 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1193                                         GtkWidget *widget)
1194 {
1195         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1196         FolderItem *item;
1197         gchar *new_folder;
1198         gchar *message;
1199
1200         if (!folderview->selected) return;
1201
1202         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1203         g_return_if_fail(item != NULL);
1204         g_return_if_fail(item->path != NULL);
1205         g_return_if_fail(item->folder != NULL);
1206
1207         message = g_strdup_printf(_("Input new name for `%s':"),
1208                                   g_basename(item->path));
1209         new_folder = input_dialog(_("Rename folder"), message,
1210                                   g_basename(item->path));
1211         g_free(message);
1212         if (!new_folder) return;
1213
1214         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1215                 alertpanel_error(_("`%c' can't be included in folder name."),
1216                                  G_DIR_SEPARATOR);
1217                 g_free(new_folder);
1218                 return;
1219         }
1220
1221         if (folderview_find_by_name
1222                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1223                  new_folder)) {
1224                 alertpanel_error(_("The folder `%s' already exists."),
1225                                  new_folder);
1226                 g_free(new_folder);
1227                 return;
1228         }
1229
1230         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1231                 g_free(new_folder);
1232                 return;
1233         }
1234         g_free(new_folder);
1235
1236         gtk_clist_freeze(GTK_CLIST(ctree));
1237
1238         folderview_update_node(folderview, folderview->selected);
1239         folderview_sort_folders(folderview,
1240                                 GTK_CTREE_ROW(folderview->selected)->parent,
1241                                 item->folder);
1242         if (folderview->opened == folderview->selected) {
1243                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1244                         gtk_ctree_expand(ctree, folderview->opened);
1245                 summary_show(folderview->summaryview, item, FALSE);
1246         }
1247
1248         gtk_clist_thaw(GTK_CLIST(ctree));
1249
1250         folder_write_list();
1251 }
1252
1253 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
1254                                         GtkWidget *widget)
1255 {
1256         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1257         FolderItem *item;
1258         gchar *message;
1259         AlertValue avalue;
1260
1261         if (!folderview->selected) return;
1262
1263         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1264         g_return_if_fail(item != NULL);
1265         g_return_if_fail(item->path != NULL);
1266         g_return_if_fail(item->folder != NULL);
1267
1268         message = g_strdup_printf
1269                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
1270                    "Do you really want to delete?"),
1271                  g_basename(item->path));
1272         avalue = alertpanel(_("Delete folder"), message,
1273                             _("Yes"), _("+No"), NULL);
1274         g_free(message);
1275         if (avalue != G_ALERTDEFAULT) return;
1276
1277         if (item->folder->remove_folder(item->folder, item) < 0) {
1278                 g_warning(_("can't remove folder `%s'\n"), item->path);
1279                 return;
1280         }
1281
1282         if (folderview->opened == folderview->selected ||
1283             gtk_ctree_is_ancestor(ctree,
1284                                   folderview->selected,
1285                                   folderview->opened)) {
1286                 summary_clear_all(folderview->summaryview);
1287                 folderview->opened = NULL;
1288         }
1289
1290         gtk_ctree_remove_node(ctree, folderview->selected);
1291         folder_write_list();
1292 }
1293
1294 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
1295                                          GtkWidget *widget)
1296 {
1297         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1298         GtkCTreeNode *node;
1299         FolderItem *item;
1300         gchar *message;
1301         AlertValue avalue;
1302
1303         if (!folderview->selected) return;
1304         node = folderview->selected;
1305         item = gtk_ctree_node_get_row_data(ctree, node);
1306         g_return_if_fail(item != NULL);
1307         g_return_if_fail(item->folder != NULL);
1308         if (item->parent) return;
1309
1310         message = g_strdup_printf
1311                 (_("Really remove the mailbox `%s' ?\n"
1312                    "(The messages are NOT deleted from disk)"),
1313                  item->folder->name);
1314         avalue = alertpanel(_("Remove folder"), message,
1315                             _("Yes"), _("+No"), NULL);
1316         g_free(message);
1317         if (avalue != G_ALERTDEFAULT) return;
1318
1319         folder_destroy(item->folder);
1320         summary_clear_all(folderview->summaryview);
1321         folderview_unselect(folderview);
1322         gtk_ctree_remove_node(ctree, node);
1323         folder_write_list();
1324 }
1325
1326 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
1327                                           GtkWidget *widget)
1328 {
1329         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1330         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1331         GtkCTreeNode *node;
1332         FolderItem *item;
1333         FolderItem *new_item;
1334         gchar *new_folder;
1335
1336         if (!folderview->selected) return;
1337
1338         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1339         g_return_if_fail(item != NULL);
1340         g_return_if_fail(item->folder != NULL);
1341         g_return_if_fail(item->folder->type == F_IMAP);
1342         g_return_if_fail(item->folder->account != NULL);
1343
1344         new_folder = input_dialog(_("New folder"),
1345                                   _("Input the name of new folder:"),
1346                                   _("NewFolder"));
1347         if (!new_folder) return;
1348
1349         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1350                 alertpanel_error(_("`%c' can't be included in folder name."),
1351                                  G_DIR_SEPARATOR);
1352                 g_free(new_folder);
1353                 return;
1354         }
1355
1356         /* find whether the directory already exists */
1357         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1358                 alertpanel_error(_("The folder `%s' already exists."),
1359                                  new_folder);
1360                 g_free(new_folder);
1361                 return;
1362         }
1363
1364         new_item = item->folder->create_folder(item->folder, item, new_folder);
1365         g_free(new_folder);
1366         if (!new_item) return;
1367
1368         gtk_clist_freeze(GTK_CLIST(ctree));
1369
1370         text[COL_FOLDER] = new_item->name;
1371         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1372                                      FOLDER_SPACING,
1373                                      folderxpm, folderxpmmask,
1374                                      folderopenxpm, folderopenxpmmask,
1375                                      FALSE, FALSE);
1376         gtk_ctree_expand(ctree, folderview->selected);
1377         gtk_ctree_node_set_row_data(ctree, node, new_item);
1378         folderview_sort_folders(folderview, folderview->selected, item->folder);
1379
1380         gtk_clist_thaw(GTK_CLIST(ctree));
1381
1382         folder_write_list();
1383 }
1384
1385 static void folderview_rm_imap_folder_cb(FolderView *folderview, guint action,
1386                                          GtkWidget *widget)
1387 {
1388         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1389         FolderItem *item;
1390         gchar *message;
1391         AlertValue avalue;
1392
1393         if (!folderview->selected) return;
1394
1395         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1396         g_return_if_fail(item != NULL);
1397         g_return_if_fail(item->folder != NULL);
1398         g_return_if_fail(item->folder->type == F_IMAP);
1399         g_return_if_fail(item->folder->account != NULL);
1400
1401         message = g_strdup_printf(_("Really delete folder `%s'?"),
1402                                   g_basename(item->path));
1403         avalue = alertpanel(_("Delete folder"), message,
1404                             _("Yes"), _("+No"), NULL);
1405         g_free(message);
1406         if (avalue != G_ALERTDEFAULT) return;
1407
1408         if (folderview->opened == folderview->selected) {
1409                 summary_clear_all(folderview->summaryview);
1410                 folderview->opened = NULL;
1411         }
1412
1413         folder_item_remove(item);
1414         gtk_ctree_remove_node(ctree, folderview->selected);
1415         folder_write_list();
1416 }
1417
1418 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
1419                                          GtkWidget *widget)
1420 {
1421         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1422         FolderItem *item;
1423         gchar *message;
1424         AlertValue avalue;
1425
1426         if (!folderview->selected) return;
1427
1428         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1429         g_return_if_fail(item != NULL);
1430         g_return_if_fail(item->folder != NULL);
1431         g_return_if_fail(item->folder->type == F_IMAP);
1432         g_return_if_fail(item->folder->account != NULL);
1433
1434         message = g_strdup_printf(_("Really delete IMAP4 server `%s'?"),
1435                                   item->folder->name);
1436         avalue = alertpanel(_("Delete IMAP4 server"), message,
1437                             _("Yes"), _("+No"), NULL);
1438         g_free(message);
1439
1440         if (avalue != G_ALERTDEFAULT) return;
1441
1442         if (folderview->opened == folderview->selected ||
1443             gtk_ctree_is_ancestor(ctree,
1444                                   folderview->selected,
1445                                   folderview->opened)) {
1446                 summary_clear_all(folderview->summaryview);
1447                 folderview->opened = NULL;
1448         }
1449
1450         account_destroy(item->folder->account);
1451         folder_destroy(item->folder);
1452         gtk_ctree_remove_node(ctree, folderview->selected);
1453         account_set_menu();
1454         main_window_reflect_prefs_all();
1455         folder_write_list();
1456 }
1457
1458 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
1459                                          GtkWidget *widget)
1460 {
1461         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1462         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1463         GtkCTreeNode *servernode, *node;
1464         FolderItem *item;
1465         FolderItem *newitem;
1466         gchar *new_group;
1467         const gchar *server;
1468
1469         if (!folderview->selected) return;
1470
1471         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1472         g_return_if_fail(item != NULL);
1473         g_return_if_fail(item->folder != NULL);
1474         g_return_if_fail(item->folder->type == F_NEWS);
1475         g_return_if_fail(item->folder->account != NULL);
1476
1477         new_group = input_dialog(_("Subscribe newsgroup"),
1478                                  _("Input subscribing newsgroup:"), NULL);
1479         if (!new_group) return;
1480
1481         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
1482                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
1483         else
1484                 servernode = folderview->selected;
1485
1486         if (folderview_find_by_name(ctree, servernode, new_group)) {
1487                 alertpanel_error(_("The newsgroup `%s' already exists."),
1488                                  new_group);
1489                 g_free(new_group);
1490                 return;
1491         }
1492
1493         gtk_clist_freeze(GTK_CLIST(ctree));
1494
1495         text[COL_FOLDER] = new_group;
1496         node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
1497                                      FOLDER_SPACING,
1498                                      folderxpm, folderxpmmask,
1499                                      folderopenxpm, folderopenxpmmask,
1500                                      FALSE, FALSE);
1501         gtk_ctree_expand(ctree, servernode);
1502
1503         item = gtk_ctree_node_get_row_data(ctree, servernode);
1504         server = item->folder->account->nntp_server;
1505
1506         newitem = folder_item_new(new_group, new_group);
1507         g_free(new_group);
1508         folder_item_append(item, newitem);
1509         gtk_ctree_node_set_row_data(ctree, node, newitem);
1510         gtk_ctree_sort_node(ctree, servernode);
1511
1512         gtk_clist_thaw(GTK_CLIST(ctree));
1513
1514         folder_write_list();
1515 }
1516
1517 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
1518                                         GtkWidget *widget)
1519 {
1520         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1521         FolderItem *item;
1522         gchar *message;
1523         AlertValue avalue;
1524
1525         if (!folderview->selected) return;
1526
1527         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1528         g_return_if_fail(item != NULL);
1529         g_return_if_fail(item->folder != NULL);
1530         g_return_if_fail(item->folder->type == F_NEWS);
1531         g_return_if_fail(item->folder->account != NULL);
1532
1533         message = g_strdup_printf(_("Really delete newsgroup `%s'?"),
1534                                   g_basename(item->path));
1535         avalue = alertpanel(_("Delete newsgroup"), message,
1536                             _("Yes"), _("+No"), NULL);
1537         g_free(message);
1538         if (avalue != G_ALERTDEFAULT) return;
1539
1540         if (folderview->opened == folderview->selected) {
1541                 summary_clear_all(folderview->summaryview);
1542                 folderview->opened = NULL;
1543         }
1544
1545         folder_item_remove(item);
1546         gtk_ctree_remove_node(ctree, folderview->selected);
1547         folder_write_list();
1548 }
1549
1550 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
1551                                          GtkWidget *widget)
1552 {
1553         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1554         FolderItem *item;
1555         gchar *message;
1556         AlertValue avalue;
1557
1558         if (!folderview->selected) return;
1559
1560         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1561         g_return_if_fail(item != NULL);
1562         g_return_if_fail(item->folder != NULL);
1563         g_return_if_fail(item->folder->type == F_NEWS);
1564         g_return_if_fail(item->folder->account != NULL);
1565
1566         message = g_strdup_printf(_("Really delete news server `%s'?"),
1567                                   item->folder->name);
1568         avalue = alertpanel(_("Delete news server"), message,
1569                             _("Yes"), _("+No"), NULL);
1570         g_free(message);
1571
1572         if (avalue != G_ALERTDEFAULT) return;
1573
1574         if (folderview->opened == folderview->selected ||
1575             gtk_ctree_is_ancestor(ctree,
1576                                   folderview->selected,
1577                                   folderview->opened)) {
1578                 summary_clear_all(folderview->summaryview);
1579                 folderview->opened = NULL;
1580         }
1581
1582         account_destroy(item->folder->account);
1583         folder_destroy(item->folder);
1584         gtk_ctree_remove_node(ctree, folderview->selected);
1585         account_set_menu();
1586         main_window_reflect_prefs_all();
1587         folder_write_list();
1588 }
1589
1590 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
1591                                           GdkDragContext *context,
1592                                           gint            x,
1593                                           gint            y,
1594                                           guint           time,
1595                                           FolderView     *folderview)
1596 {
1597         gint row, column;
1598         FolderItem *item;
1599         GtkCTreeNode *node;
1600
1601         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
1602                                          x - 24, y - 24, &row, &column)) {
1603                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
1604                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
1605                 if (item != NULL &&
1606                     item->path != NULL &&
1607                     folderview->summaryview->folder_item != item) {
1608                         if (item->folder->type != F_NEWS) {
1609                                 gtk_ctree_select(GTK_CTREE(widget), node);
1610                                 gdk_drag_status(context,
1611                                                 context->suggested_action,
1612                                                 time);
1613                                 return TRUE;
1614                         }
1615                 }
1616         }
1617
1618         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
1619         gdk_drag_status(context, 0, time);
1620
1621         return FALSE;
1622 }
1623
1624 static void folderview_drag_leave_cb(GtkWidget      *widget,
1625                                      GdkDragContext *context,
1626                                      guint           time,
1627                                      FolderView     *folderview)
1628 {
1629         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
1630 }
1631
1632 static void folderview_drag_received_cb(GtkWidget        *widget,
1633                                         GdkDragContext   *drag_context,
1634                                         gint              x,
1635                                         gint              y,
1636                                         GtkSelectionData *data,
1637                                         guint             info,
1638                                         guint             time,
1639                                         FolderView       *folderview)
1640 {
1641         gint row, column;
1642         FolderItem *item;
1643         GtkCTreeNode *node;
1644
1645         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
1646                                          x - 24, y - 24, &row, &column) == 0)
1647                 return;
1648
1649         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
1650         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
1651         if (item != NULL) {
1652                 summary_move_selected_to(folderview->summaryview, item);
1653                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
1654         } else
1655                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
1656 }
1657
1658 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
1659 {
1660         const FolderItem *item = a;
1661         const gchar *name = b;
1662
1663         if (!item->path) return -1;
1664         return strcmp2(g_basename(item->path), name);
1665 }