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 #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_popup_close      (GtkMenuShell   *menu_shell,
 138                                          FolderView     *folderview);
 139 static void folderview_col_resized      (GtkCList       *clist,
 140                                          gint            column,
 141                                          gint            width,
 142                                          FolderView     *folderview);
 143
 144 static void folderview_new_folder_cb    (FolderView     *folderview,
 145                                          guint           action,
 146                                          GtkWidget      *widget);
 147 static void folderview_rename_folder_cb (FolderView     *folderview,
 148                                          guint           action,
 149                                          GtkWidget      *widget);
 150 static void folderview_delete_folder_cb (FolderView     *folderview,
 151                                          guint           action,
 152                                          GtkWidget      *widget);
 153 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 154                                          guint           action,
 155                                          GtkWidget      *widget);
 156
 157 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 158                                           guint          action,
 159                                           GtkWidget     *widget);
 160 static void folderview_rm_imap_folder_cb (FolderView    *folderview,
 161                                           guint          action,
 162                                           GtkWidget     *widget);
 163 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 164                                           guint          action,
 165                                           GtkWidget     *widget);
 166
 167 static void folderview_new_news_group_cb(FolderView     *folderview,
 168                                          guint           action,
 169                                          GtkWidget      *widget);
 170 static void folderview_rm_news_group_cb (FolderView     *folderview,
 171                                          guint           action,
 172                                          GtkWidget      *widget);
 173 static void folderview_rm_news_server_cb(FolderView     *folderview,
 174                                          guint           action,
 175                                          GtkWidget      *widget);
 176
 177 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 178                                           GdkDragContext *context,
 179                                           gint            x,
 180                                           gint            y,
 181                                           guint           time,
 182                                           FolderView     *folderview);
 183 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 184                                           GdkDragContext   *context,
 185                                           guint             time,
 186                                           FolderView       *folderview);
 187 static void folderview_drag_received_cb  (GtkWidget        *widget,
 188                                           GdkDragContext   *drag_context,
 189                                           gint              x,
 190                                           gint              y,
 191                                           GtkSelectionData *data,
 192                                           guint             info,
 193                                           guint             time,
 194                                           FolderView       *folderview);
 195
 196 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 197 {
 198         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 199         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 200         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 201         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 202         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 203         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 204         {N_("/_Property..."),           NULL, NULL, 0, NULL}
 205 };
 206
 207 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 208 {
 209         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 210         {N_("/_Rename folder..."),      NULL, NULL, 0, NULL},
 211         {N_("/_Delete folder"),         NULL, folderview_rm_imap_folder_cb, 0, NULL},
 212         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 213         {N_("/Remove _IMAP4 server"),   NULL, folderview_rm_imap_server_cb, 0, NULL},
 214         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 215         {N_("/_Property..."),           NULL, NULL, 0, NULL}
 216 };
 217
 218 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 219 {
 220         {N_("/_Subscribe to newsgroup..."),
 221                                          NULL, folderview_new_news_group_cb, 0, NULL},
 222         {N_("/_Remove newsgroup"),       NULL, folderview_rm_news_group_cb, 0, NULL},
 223         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 224         {N_("/Remove _news server"),     NULL, folderview_rm_news_server_cb, 0, NULL},
 225         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 226         {N_("/_Property..."),            NULL, NULL, 0, NULL}
 227 };
 228
 229
 230 FolderView *folderview_create(void)
 231 {
 232         FolderView *folderview;
 233         GtkWidget *scrolledwin;
 234         GtkWidget *ctree;
 235         gchar *titles[N_FOLDER_COLS] = {_("Folder"), _("New"),
 236                                         _("Unread"), _("#")};
 237         GtkWidget *mail_popup;
 238         GtkWidget *news_popup;
 239         GtkWidget *imap_popup;
 240         GtkItemFactory *mail_factory;
 241         GtkItemFactory *news_factory;
 242         GtkItemFactory *imap_factory;
 243         gint n_entries;
 244         gint i;
 245
 246         debug_print(_("Creating folder view...\n"));
 247         folderview = g_new0(FolderView, 1);
 248
 249         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 250         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 251                                        GTK_POLICY_AUTOMATIC,
 252                                        GTK_POLICY_ALWAYS);
 253         gtk_widget_set_usize(scrolledwin,
 254                              prefs_common.folderview_width,
 255                              prefs_common.folderview_height);
 256         //                   COL_FOLDER_WIDTH + COL_NUM_WIDTH - 3, -1);
 257
 258         ctree = gtk_ctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 259         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 260         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 261         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 262                                            GTK_JUSTIFY_RIGHT);
 263         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 264                                            GTK_JUSTIFY_RIGHT);
 265         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 266                                            GTK_JUSTIFY_RIGHT);
 267         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 268                                    prefs_common.folder_col_folder);
 269         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 270                                    prefs_common.folder_col_new);
 271         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 272                                    prefs_common.folder_col_unread);
 273         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 274                                    prefs_common.folder_col_total);
 275         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 276         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 277                                      GTK_CTREE_EXPANDER_SQUARE);
 278         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 279         //gtk_clist_set_reorderable(GTK_CLIST(ctree), TRUE);
 280         /* don't let title buttons take key focus */
 281         for (i = 0; i < N_FOLDER_COLS; i++)
 282                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 283                                        GTK_CAN_FOCUS);
 284
 285         /* popup menu */
 286         n_entries = sizeof(folderview_mail_popup_entries) /
 287                 sizeof(folderview_mail_popup_entries[0]);
 288         mail_popup = menu_create_items(folderview_mail_popup_entries,
 289                                        n_entries,
 290                                        "<MailFolder>", &mail_factory,
 291                                        folderview);
 292         n_entries = sizeof(folderview_imap_popup_entries) /
 293                 sizeof(folderview_imap_popup_entries[0]);
 294         imap_popup = menu_create_items(folderview_imap_popup_entries,
 295                                        n_entries,
 296                                        "<IMAPFolder>", &imap_factory,
 297                                        folderview);
 298         n_entries = sizeof(folderview_news_popup_entries) /
 299                 sizeof(folderview_news_popup_entries[0]);
 300         news_popup = menu_create_items(folderview_news_popup_entries,
 301                                        n_entries,
 302                                        "<NewsFolder>", &news_factory,
 303                                        folderview);
 304
 305         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 306                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 307                            folderview);
 308         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 309                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 310                            folderview);
 311         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 312                            GTK_SIGNAL_FUNC(folderview_button_released),
 313                            folderview);
 314         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 315                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 316         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 317                            GTK_SIGNAL_FUNC(folderview_col_resized),
 318                            folderview);
 319
 320         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 321                            GTK_SIGNAL_FUNC(folderview_popup_close),
 322                            folderview);
 323         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 324                            GTK_SIGNAL_FUNC(folderview_popup_close),
 325                            folderview);
 326         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 327                            GTK_SIGNAL_FUNC(folderview_popup_close),
 328                            folderview);
 329
 330         /* drop callback */
 331         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL &
 332                           ~GTK_DEST_DEFAULT_HIGHLIGHT,
 333                           summary_drag_types, 1,
 334                           GDK_ACTION_MOVE);
 335         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 336                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 337                            folderview);
 338         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 339                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 340                            folderview);
 341         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 342                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 343                            folderview);
 344
 345         folderview->scrolledwin  = scrolledwin;
 346         folderview->ctree        = ctree;
 347         folderview->mail_popup   = mail_popup;
 348         folderview->mail_factory = mail_factory;
 349         folderview->imap_popup   = imap_popup;
 350         folderview->imap_factory = imap_factory;
 351         folderview->news_popup   = news_popup;
 352         folderview->news_factory = news_factory;
 353
 354         gtk_widget_show_all(scrolledwin);
 355
 356         folderview_list = g_list_append(folderview_list, folderview);
 357
 358         return folderview;
 359 }
 360
 361 void folderview_init(FolderView *folderview)
 362 {
 363         GtkWidget *ctree = folderview->ctree;
 364
 365         PIXMAP_CREATE(ctree, inboxxpm, inboxxpmmask, inbox_xpm);
 366         PIXMAP_CREATE(ctree, outboxxpm, outboxxpmmask, outbox_xpm);
 367         PIXMAP_CREATE(ctree, folderxpm, folderxpmmask, DIRECTORY_CLOSE_XPM);
 368         PIXMAP_CREATE(ctree, folderopenxpm, folderopenxpmmask,
 369                       DIRECTORY_OPEN_XPM);
 370         PIXMAP_CREATE(ctree, trashxpm, trashxpmmask, trash_xpm);
 371
 372         if (!normalfont)
 373                 normalfont = gdk_fontset_load(NORMAL_FONT);
 374         if (!boldfont)
 375                 boldfont = gdk_fontset_load(BOLD_FONT);
 376 }
 377
 378 void folderview_set(FolderView *folderview)
 379 {
 380         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 381         MainWindow *mainwin = folderview->mainwin;
 382
 383         debug_print(_("Setting folder info...\n"));
 384         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 385
 386         main_window_cursor_wait(mainwin);
 387
 388         folderview->selected = NULL;
 389         folderview->opened = NULL;
 390
 391         gtk_clist_freeze(GTK_CLIST(ctree));
 392         gtk_clist_clear(GTK_CLIST(ctree));
 393         gtk_clist_thaw(GTK_CLIST(ctree));
 394         gtk_clist_freeze(GTK_CLIST(ctree));
 395
 396         folderview_set_folders(folderview);
 397
 398         gtk_clist_thaw(GTK_CLIST(ctree));
 399         main_window_cursor_normal(mainwin);
 400         STATUSBAR_POP(mainwin);
 401 }
 402
 403 void folderview_select(FolderView *folderview, FolderItem *item)
 404 {
 405         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 406         GtkCTreeNode *node;
 407
 408         if (!item) return;
 409
 410         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 411         if (node) folderview_select_node(folderview, node);
 412 }
 413
 414 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 415 {
 416         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 417
 418         g_return_if_fail(node != NULL);
 419
 420         folderview->open_folder = TRUE;
 421         gtk_ctree_select(ctree, node);
 422         gtkut_ctree_set_focus_row(ctree, node);
 423         if (folderview->summaryview->messages > 0)
 424                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 425         else
 426                 gtk_widget_grab_focus(folderview->ctree);
 427 }
 428
 429 void folderview_unselect(FolderView *folderview)
 430 {
 431         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 432                 gtk_ctree_collapse
 433                         (GTK_CTREE(folderview->ctree), folderview->opened);
 434
 435         folderview->selected = folderview->opened = NULL;
 436 }
 437
 438 void folderview_select_next_unread(FolderView *folderview)
 439 {
 440         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 441         GtkCTreeNode *node;
 442         FolderItem *item;
 443
 444         if (folderview->opened)
 445                 node = GTK_CTREE_NODE_NEXT(folderview->opened);
 446         else
 447                 node = gtk_ctree_node_nth(ctree, 1);
 448
 449         for (; node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
 450                 item = gtk_ctree_node_get_row_data(ctree, node);
 451                 if (item && (item->unread > 0 || item->new > 0) &&
 452                     item->stype != F_TRASH) {
 453                         folderview_select_node(folderview, node);
 454                         return;
 455                 }
 456         }
 457         if (!folderview->opened) return;
 458         /* search again from the first node */
 459         for (node = gtk_ctree_node_nth(ctree, 1); node != NULL;
 460              node = GTK_CTREE_NODE_NEXT(node)) {
 461                 item = gtk_ctree_node_get_row_data(ctree, node);
 462                 if (item && (item->unread > 0 || item->new > 0) &&
 463                     item->stype != F_TRASH) {
 464                         folderview_select_node(folderview, node);
 465                         return;
 466                 }
 467         }
 468 }
 469
 470 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row,
 471                                gint new, gint unread, gint total)
 472 {
 473         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 474         static GtkCTreeNode *prev_row = NULL;
 475         FolderItem *item;
 476
 477         if (!row) return;
 478
 479         item = gtk_ctree_node_get_row_data(ctree, row);
 480         if (!item) return;
 481         if (prev_row     == row    &&
 482             item->new    == new    &&
 483             item->unread == unread &&
 484             item->total  == total)
 485                 return;
 486
 487         prev_row = row;
 488
 489         item->new    = new;
 490         item->unread = unread;
 491         item->total  = total;
 492
 493         folderview_update_node(folderview, row);
 494 }
 495
 496 static void folderview_set_folders(FolderView *folderview)
 497 {
 498         GList *list;
 499
 500         list = folder_get_list();
 501
 502         for (; list != NULL; list = list->next)
 503                 folderview_append_folder(folderview, FOLDER(list->data));
 504 }
 505
 506 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 507                                       gpointer data)
 508 {
 509         GList *list;
 510
 511         for (list = folderview_list; list != NULL; list = list->next) {
 512                 FolderView *folderview = (FolderView *)list->data;
 513                 MainWindow *mainwin = folderview->mainwin;
 514                 gchar *str;
 515
 516                 if (item->path)
 517                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 518                                               LOCAL_FOLDER(folder)->rootpath,
 519                                               G_DIR_SEPARATOR,
 520                                               item->path);
 521                 else
 522                         str = g_strdup_printf(_("Scanning folder %s ..."),
 523                                               LOCAL_FOLDER(folder)->rootpath);
 524
 525                 STATUSBAR_PUSH(mainwin, str);
 526                 STATUSBAR_POP(mainwin);
 527                 g_free(str);
 528         }
 529 }
 530
 531 static GtkWidget *label_window_create(const gchar *str)
 532 {
 533         GtkWidget *window;
 534         GtkWidget *label;
 535
 536         window = gtk_window_new(GTK_WINDOW_DIALOG);
 537         gtk_widget_set_usize(window, 380, 60);
 538         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 539         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 540         gtk_window_set_title(GTK_WINDOW(window), str);
 541         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 542         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 543         manage_window_set_transient(GTK_WINDOW(window));
 544
 545         label = gtk_label_new(str);
 546         gtk_container_add(GTK_CONTAINER(window), label);
 547         gtk_widget_show(label);
 548
 549         gtk_widget_show_now(window);
 550
 551         return window;
 552 }
 553
 554 void folderview_update_all(void)
 555 {
 556         GList *list;
 557         GtkWidget *window;
 558
 559         window = label_window_create(_("Updating all folders..."));
 560
 561         list = folder_get_list();
 562         for (; list != NULL; list = list->next) {
 563                 Folder *folder = list->data;
 564
 565                 if (!folder->scan_tree) continue;
 566                 folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 567                 folder->scan_tree(folder);
 568                 folder_set_ui_func(folder, NULL, NULL);
 569         }
 570
 571         folder_write_list();
 572
 573         for (list = folderview_list; list != NULL; list = list->next) {
 574                 FolderView *folderview = (FolderView *)list->data;
 575
 576                 folderview_set(folderview);
 577         }
 578
 579         gtk_widget_destroy(window);
 580 }
 581
 582 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 583 {
 584         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 585         GtkStyle *style, *prev_style, *ctree_style;
 586         FolderItem *item;
 587         GdkPixmap *xpm, *openxpm;
 588         GdkBitmap *mask, *openmask;
 589         gchar *name;
 590
 591         item = gtk_ctree_node_get_row_data(ctree, node);
 592         g_return_if_fail(item != NULL);
 593
 594         switch (item->stype) {
 595         case F_INBOX:
 596                 xpm = openxpm = inboxxpm;
 597                 mask = openmask = inboxxpmmask;
 598                 name = g_strdup(_("Inbox"));
 599                 break;
 600         case F_OUTBOX:
 601                 xpm = openxpm = outboxxpm;
 602                 mask = openmask = outboxxpmmask;
 603                 name = g_strdup(_("Outbox"));
 604                 break;
 605         case F_QUEUE:
 606                 xpm = openxpm = outboxxpm;
 607                 mask = openmask = outboxxpmmask;
 608                 name = g_strdup(_("Queue"));
 609                 break;
 610         case F_TRASH:
 611                 xpm = openxpm = trashxpm;
 612                 mask = openmask = trashxpmmask;
 613                 name = g_strdup(_("Trash"));
 614                 break;
 615         case F_DRAFT:
 616                 xpm = folderxpm;
 617                 mask = folderxpmmask;
 618                 openxpm = folderopenxpm;
 619                 openmask = folderopenxpmmask;
 620                 name = g_strdup(_("Draft"));
 621                 break;
 622         default:
 623                 xpm = folderxpm;
 624                 mask = folderxpmmask;
 625                 openxpm = folderopenxpm;
 626                 openmask = folderopenxpmmask;
 627                 if (!item->parent) {
 628                         switch (item->folder->type) {
 629                         case F_MH:
 630                                 name = " (MH)"; break;
 631                         case F_IMAP:
 632                                 name = " (IMAP4)"; break;
 633                         case F_NEWS:
 634                                 name = " (News)"; break;
 635                         default:
 636                                 name = "";
 637                         }
 638                         name = g_strconcat(item->name, name, NULL);
 639                 } else
 640                         name = g_strdup(item->name);
 641         }
 642         if (item->unread > 0 && prefs_common.display_folder_unread) {
 643                 gchar *str;
 644
 645                 str = g_strdup_printf("%s (%d)", name, item->unread);
 646                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
 647                                         xpm, mask, openxpm, openmask,
 648                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 649                 g_free(str);
 650         } else
 651                 gtk_ctree_set_node_info(ctree, node, name, FOLDER_SPACING,
 652                                         xpm, mask, openxpm, openmask,
 653                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 654         g_free(name);
 655
 656         if (!item->parent) {
 657                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
 658                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
 659                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
 660                 return;
 661         } else {
 662                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new));
 663                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread));
 664                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total));
 665         }
 666
 667         if (item->stype == F_TRASH) return;
 668
 669         ctree_style = gtk_widget_get_style(GTK_WIDGET(ctree));
 670         prev_style = gtk_ctree_node_get_row_style(ctree, node);
 671         if (!prev_style)
 672                 prev_style = ctree_style;
 673         style = gtk_style_copy(prev_style);
 674
 675         if (style) {
 676                 gboolean use_bold, use_color;
 677
 678                 if (item->stype == F_QUEUE) {
 679                         /* highlight queue folder if there are any messages */
 680                         use_bold = use_color = (item->total > 0);
 681                 } else {
 682                         /* if unread messages exist, print with bold font */
 683                         use_bold = (item->unread > 0);
 684                         /* if new messages exist, print with colored letter */
 685                         use_color = (item->new > 0);
 686                 }
 687
 688                 if (use_bold && boldfont)
 689                         style->font = boldfont;
 690                 else
 691                         style->font = ctree_style->font;
 692
 693                 if (use_color) {
 694                         style->fg[GTK_STATE_NORMAL]   = folderview->color_new;
 695                         style->fg[GTK_STATE_SELECTED] = folderview->color_new;
 696                 } else {
 697                         style->fg[GTK_STATE_NORMAL] =
 698                                 ctree_style->fg[GTK_STATE_NORMAL];
 699                         style->fg[GTK_STATE_SELECTED] =
 700                                 ctree_style->fg[GTK_STATE_SELECTED];
 701                 }
 702
 703                 gtk_ctree_node_set_row_style(ctree, node, style);
 704         }
 705 }
 706
 707 void folderview_update_item(FolderItem *item, gboolean update_summary)
 708 {
 709         GList *list;
 710         FolderView *folderview;
 711         GtkCTree *ctree;
 712         GtkCTreeNode *node;
 713
 714         g_return_if_fail(item != NULL);
 715
 716         for (list = folderview_list; list != NULL; list = list->next) {
 717                 folderview = (FolderView *)list->data;
 718                 ctree = GTK_CTREE(folderview->ctree);
 719
 720                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 721                 if (node) {
 722                         folderview_update_node(folderview, node);
 723                         if (update_summary && folderview->opened == node)
 724                                 summary_show(folderview->summaryview,
 725                                              item, FALSE);
 726                 }
 727         }
 728 }
 729
 730 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
 731                                                 gpointer data)
 732 {
 733         folderview_update_item((FolderItem *)key, FALSE);
 734 }
 735
 736 void folderview_update_item_foreach(GHashTable *table)
 737 {
 738         g_hash_table_foreach(table, folderview_update_item_foreach_func, NULL);
 739 }
 740
 741 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
 742                                       GNode *gnode, GtkCTreeNode *cnode,
 743                                       gpointer data)
 744 {
 745         FolderView *folderview = (FolderView *)data;
 746         FolderItem *item = FOLDER_ITEM(gnode->data);
 747
 748         g_return_val_if_fail(item != NULL, FALSE);
 749
 750         gtk_ctree_node_set_row_data(ctree, cnode, item);
 751         folderview_update_node(folderview, cnode);
 752
 753         return TRUE;
 754 }
 755
 756 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
 757                                    gpointer data)
 758 {
 759         if (GTK_CTREE_ROW(node)->children)
 760                 gtk_ctree_expand(ctree, node);
 761 }
 762
 763 #define SET_SPECIAL_FOLDER(ctree, item) \
 764 { \
 765         if (item) { \
 766                 GtkCTreeNode *node, *sibling; \
 767  \
 768                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
 769                 if (!node) \
 770                         g_warning("%s not found.\n", item->path); \
 771                 else { \
 772                         if (!prev) \
 773                                 sibling = GTK_CTREE_ROW(root)->children; \
 774                         else \
 775                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
 776                         if (node != sibling) \
 777                                 gtk_ctree_move(ctree, node, root, sibling); \
 778                 } \
 779  \
 780                 prev = node; \
 781         } \
 782 }
 783
 784 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
 785                                     Folder *folder)
 786 {
 787         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 788         GtkCTreeNode *prev = NULL;
 789
 790         gtk_ctree_sort_recursive(ctree, root);
 791
 792         if (GTK_CTREE_ROW(root)->parent) return;
 793
 794         SET_SPECIAL_FOLDER(ctree, folder->inbox);
 795         SET_SPECIAL_FOLDER(ctree, folder->outbox);
 796         SET_SPECIAL_FOLDER(ctree, folder->draft);
 797         SET_SPECIAL_FOLDER(ctree, folder->queue);
 798         SET_SPECIAL_FOLDER(ctree, folder->trash);
 799 }
 800
 801 static void folderview_append_folder(FolderView *folderview, Folder *folder)
 802 {
 803         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 804         GtkCTreeNode *root;
 805
 806         g_return_if_fail(folder != NULL);
 807
 808         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
 809                                       folderview_gnode_func, folderview);
 810         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
 811                                 folderview);
 812         folderview_sort_folders(folderview, root, folder);
 813 }
 814
 815 void folderview_new_folder(FolderView *folderview)
 816 {
 817         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 818         FolderItem *item;
 819
 820         if (!folderview->selected) return;
 821
 822         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 823         g_return_if_fail(item != NULL);
 824         g_return_if_fail(item->folder != NULL);
 825
 826         switch (item->folder->type) {
 827         case F_MH:
 828         case F_MBOX:
 829         case F_MAILDIR:
 830                 folderview_new_folder_cb(folderview, 0, NULL);
 831                 break;
 832         case F_IMAP:
 833                 folderview_new_imap_folder_cb(folderview, 0, NULL);
 834                 break;
 835         case F_NEWS:
 836         default:
 837                 break;
 838         }
 839 }
 840
 841 void folderview_rename_folder(FolderView *folderview)
 842 {
 843         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 844         FolderItem *item;
 845
 846         if (!folderview->selected) return;
 847
 848         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 849         g_return_if_fail(item != NULL);
 850         g_return_if_fail(item->folder != NULL);
 851         if (!item->path) return;
 852         if (item->stype != F_NORMAL) return;
 853
 854         switch (item->folder->type) {
 855         case F_MH:
 856         case F_MBOX:
 857         case F_MAILDIR:
 858                 folderview_rename_folder_cb(folderview, 0, NULL);
 859                 break;
 860         case F_IMAP:
 861         case F_NEWS:
 862         default:
 863                 break;
 864         }
 865 }
 866
 867 void folderview_delete_folder(FolderView *folderview)
 868 {
 869         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 870         FolderItem *item;
 871
 872         if (!folderview->selected) return;
 873
 874         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 875         g_return_if_fail(item != NULL);
 876         g_return_if_fail(item->folder != NULL);
 877         if (!item->path) return;
 878         if (item->stype != F_NORMAL) return;
 879
 880         switch (item->folder->type) {
 881         case F_MH:
 882         case F_MBOX:
 883         case F_MAILDIR:
 884                 folderview_delete_folder_cb(folderview, 0, NULL);
 885                 break;
 886         case F_IMAP:
 887                 folderview_rm_imap_folder_cb(folderview, 0, NULL);
 888         case F_NEWS:
 889         default:
 890                 break;
 891         }
 892 }
 893
 894
 895 /* callback functions */
 896
 897 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
 898                                       FolderView *folderview)
 899 {
 900         GtkCList *clist = GTK_CLIST(ctree);
 901         gint prev_row = -1, row = -1, column = -1;
 902         FolderItem *item;
 903         Folder *folder;
 904
 905         if (!event) return;
 906
 907         if (event->button == 1) {
 908                 folderview->open_folder = TRUE;
 909                 return;
 910         }
 911
 912         if (event->button == 2 || event->button == 3) {
 913                 /* right clicked */
 914                 if (clist->selection) {
 915                         GtkCTreeNode *node;
 916
 917                         node = GTK_CTREE_NODE(clist->selection->data);
 918                         if (node)
 919                                 prev_row = gtkut_ctree_get_nth_from_node
 920                                         (GTK_CTREE(ctree), node);
 921                 }
 922
 923                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 924                                                   &row, &column))
 925                         return;
 926                 if (prev_row != row) {
 927                         gtk_clist_unselect_all(clist);
 928                         if (event->button == 2)
 929                                 folderview_select_node
 930                                         (folderview,
 931                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
 932                                                             row));
 933                         else
 934                                 gtk_clist_select_row(clist, row, column);
 935                 }
 936         }
 937
 938         if (event->button != 3) return;
 939
 940         item = gtk_clist_get_row_data(clist, row);
 941         g_return_if_fail(item != NULL);
 942         g_return_if_fail(item->folder != NULL);
 943         folder = item->folder;
 944
 945         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mail_popup));
 946         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->imap_popup));
 947         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->news_popup));
 948
 949         if (folder->type == F_MH && item->parent == NULL) {
 950                 menu_set_sensitive(folderview->mail_factory,
 951                                    "/Create new folder...", TRUE);
 952                 menu_set_sensitive(folderview->mail_factory,
 953                                    "/Remove mailbox", TRUE);
 954         } else if (folder->type == F_MH && item->stype != F_NORMAL) {
 955                 menu_set_sensitive(folderview->mail_factory,
 956                                    "/Create new folder...", TRUE);
 957         } else if (folder->type == F_MH) {
 958                 menu_set_sensitive(folderview->mail_factory,
 959                                    "/Create new folder...", TRUE);
 960                 menu_set_sensitive(folderview->mail_factory,
 961                                    "/Rename folder...", TRUE);
 962                 menu_set_sensitive(folderview->mail_factory,
 963                                    "/Delete folder", TRUE);
 964         } else if (folder->type == F_IMAP && item->parent == NULL) {
 965                 menu_set_sensitive(folderview->imap_factory,
 966                                    "/Create new folder...", TRUE);
 967                 menu_set_sensitive(folderview->imap_factory,
 968                                    "/Remove IMAP4 server", TRUE);
 969         } else if (folder->type == F_IMAP && item->parent != NULL) {
 970                 menu_set_sensitive(folderview->imap_factory,
 971                                    "/Create new folder...", TRUE);
 972                 menu_set_sensitive(folderview->imap_factory,
 973                                    "/Delete folder", TRUE);
 974         } else if (folder->type == F_NEWS && item->parent == NULL) {
 975                 menu_set_sensitive(folderview->news_factory,
 976                                    "/Subscribe to newsgroup...", TRUE);
 977                 menu_set_sensitive(folderview->news_factory,
 978                                    "/Remove news server", TRUE);
 979         } else if (folder->type == F_NEWS && item->parent != NULL) {
 980                 menu_set_sensitive(folderview->news_factory,
 981                                    "/Subscribe to newsgroup...", TRUE);
 982                 menu_set_sensitive(folderview->news_factory,
 983                                    "/Remove newsgroup", TRUE);
 984         }
 985
 986         if (folder->type == F_MH)
 987                 gtk_menu_popup(GTK_MENU(folderview->mail_popup), NULL, NULL,
 988                                NULL, NULL, event->button, event->time);
 989         else if (folder->type == F_IMAP)
 990                 gtk_menu_popup(GTK_MENU(folderview->imap_popup), NULL, NULL,
 991                                NULL, NULL, event->button, event->time);
 992         else if (folder->type == F_NEWS)
 993                 gtk_menu_popup(GTK_MENU(folderview->news_popup), NULL, NULL,
 994                                NULL, NULL, event->button, event->time);
 995 }
 996
 997 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
 998                                        FolderView *folderview)
 999 {
1000         if (!event) return;
1001
1002         if (event->button == 1 && folderview->opened != NULL) {
1003                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1004                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1005                                           folderview->opened);
1006         }
1007 }
1008
1009 #define BREAK_ON_MODIFIER_KEY() \
1010         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1011
1012 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1013                                    FolderView *folderview)
1014 {
1015         if (!event) return;
1016
1017         switch (event->keyval) {
1018         case GDK_Return:
1019         case GDK_space:
1020                 if (folderview->selected) {
1021                         folderview_select_node(folderview,
1022                                                folderview->selected);
1023                 }
1024                 break;
1025         case GDK_v:
1026         case GDK_V:
1027         case GDK_g:
1028         case GDK_G:
1029         case GDK_x:
1030         case GDK_X:
1031         case GDK_w:
1032         case GDK_D:
1033         case GDK_Q:
1034                 BREAK_ON_MODIFIER_KEY();
1035                 summary_pass_key_press_event(folderview->summaryview, event);
1036         default:
1037         }
1038 }
1039
1040 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1041                                 gint column, FolderView *folderview)
1042 {
1043         static gboolean can_select = TRUE;      /* exclusive lock */
1044         FolderItem *item;
1045
1046         folderview->selected = row;
1047
1048         if (folderview->opened == row) {
1049                 folderview->open_folder = FALSE;
1050                 return;
1051         }
1052
1053         if (!can_select) {
1054                 gtk_ctree_select(ctree, folderview->opened);
1055                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1056                 return;
1057         }
1058
1059         if (!folderview->open_folder) return;
1060         folderview->open_folder = FALSE;
1061
1062         item = gtk_ctree_node_get_row_data(ctree, row);
1063         if (!item) return;
1064
1065         can_select = FALSE;
1066
1067         if (item->path)
1068                 debug_print(_("Folder %s is selected\n"), item->path);
1069
1070         if (!GTK_CTREE_ROW(row)->children)
1071                 gtk_ctree_expand(ctree, row);
1072         if (folderview->opened &&
1073             !GTK_CTREE_ROW(folderview->opened)->children)
1074                 gtk_ctree_collapse(ctree, folderview->opened);
1075
1076         folderview->opened = row;
1077
1078         summary_show(folderview->summaryview, item, FALSE);
1079
1080         can_select = TRUE;
1081 }
1082
1083 static void folderview_popup_close(GtkMenuShell *menu_shell,
1084                                    FolderView *folderview)
1085 {
1086         if (!folderview->opened) return;
1087
1088         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1089         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1090                                   folderview->opened);
1091 }
1092
1093 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1094                                    FolderView *folderview)
1095 {
1096         switch (column) {
1097         case COL_FOLDER:
1098                 prefs_common.folder_col_folder = width;
1099                 break;
1100         case COL_NEW:
1101                 prefs_common.folder_col_new = width;
1102                 break;
1103         case COL_UNREAD:
1104                 prefs_common.folder_col_unread = width;
1105                 break;
1106         case COL_TOTAL:
1107                 prefs_common.folder_col_total = width;
1108                 break;
1109         default:
1110         }
1111 }
1112
1113 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1114                                              GtkCTreeNode *node,
1115                                              const gchar *name)
1116 {
1117         FolderItem *item;
1118
1119         if (!node)
1120                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1121         if (!node)
1122                 return NULL;
1123
1124         node = GTK_CTREE_ROW(node)->children;
1125
1126         while (node) {
1127                 item = gtk_ctree_node_get_row_data(ctree, node);
1128                 if (!folderview_compare_name(item, name))
1129                         return node;
1130                 node = GTK_CTREE_ROW(node)->sibling;
1131         }
1132
1133         return NULL;
1134 }
1135
1136 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1137                                      GtkWidget *widget)
1138 {
1139         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1140         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1141         FolderItem *item;
1142         FolderItem *new_item;
1143         gchar *new_folder;
1144         GtkCTreeNode *node;
1145
1146         if (!folderview->selected) return;
1147
1148         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1149         g_return_if_fail(item != NULL);
1150         g_return_if_fail(item->folder != NULL);
1151
1152         new_folder = input_dialog(_("New folder"),
1153                                   _("Input the name of new folder:"),
1154                                   _("NewFolder"));
1155         if (!new_folder) return;
1156
1157         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1158                 alertpanel_error(_("`%c' can't be included in folder name."),
1159                                  G_DIR_SEPARATOR);
1160                 g_free(new_folder);
1161                 return;
1162         }
1163
1164         /* find whether the directory already exists */
1165         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1166                 alertpanel_error(_("The folder `%s' already exists."),
1167                                  new_folder);
1168                 g_free(new_folder);
1169                 return;
1170         }
1171
1172         new_item = item->folder->create_folder(item->folder, item, new_folder);
1173         g_free(new_folder);
1174         if (!new_item) return;
1175
1176         gtk_clist_freeze(GTK_CLIST(ctree));
1177
1178         text[COL_FOLDER] = new_item->name;
1179         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1180                                      FOLDER_SPACING,
1181                                      folderxpm, folderxpmmask,
1182                                      folderopenxpm, folderopenxpmmask,
1183                                      FALSE, FALSE);
1184         gtk_ctree_expand(ctree, folderview->selected);
1185         gtk_ctree_node_set_row_data(ctree, node, new_item);
1186         folderview_sort_folders(folderview, folderview->selected, item->folder);
1187
1188         gtk_clist_thaw(GTK_CLIST(ctree));
1189
1190         folder_write_list();
1191 }
1192
1193 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1194                                         GtkWidget *widget)
1195 {
1196         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1197         FolderItem *item;
1198         gchar *new_folder;
1199         gchar *message;
1200
1201         if (!folderview->selected) return;
1202
1203         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1204         g_return_if_fail(item != NULL);
1205         g_return_if_fail(item->path != NULL);
1206         g_return_if_fail(item->folder != NULL);
1207
1208         message = g_strdup_printf(_("Input new name for `%s':"),
1209                                   g_basename(item->path));
1210         new_folder = input_dialog(_("Rename folder"), message,
1211                                   g_basename(item->path));
1212         g_free(message);
1213         if (!new_folder) return;
1214
1215         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1216                 alertpanel_error(_("`%c' can't be included in folder name."),
1217                                  G_DIR_SEPARATOR);
1218                 g_free(new_folder);
1219                 return;
1220         }
1221
1222         if (folderview_find_by_name
1223                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1224                  new_folder)) {
1225                 alertpanel_error(_("The folder `%s' already exists."),
1226                                  new_folder);
1227                 g_free(new_folder);
1228                 return;
1229         }
1230
1231         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1232                 g_free(new_folder);
1233                 return;
1234         }
1235         g_free(new_folder);
1236
1237         gtk_clist_freeze(GTK_CLIST(ctree));
1238
1239         folderview_update_node(folderview, folderview->selected);
1240         folderview_sort_folders(folderview,
1241                                 GTK_CTREE_ROW(folderview->selected)->parent,
1242                                 item->folder);
1243         if (folderview->opened == folderview->selected) {
1244                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1245                         gtk_ctree_expand(ctree, folderview->opened);
1246                 summary_show(folderview->summaryview, item, FALSE);
1247         }
1248
1249         gtk_clist_thaw(GTK_CLIST(ctree));
1250
1251         folder_write_list();
1252 }
1253
1254 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
1255                                         GtkWidget *widget)
1256 {
1257         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1258         FolderItem *item;
1259         gchar *message;
1260         AlertValue avalue;
1261
1262         if (!folderview->selected) return;
1263
1264         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1265         g_return_if_fail(item != NULL);
1266         g_return_if_fail(item->path != NULL);
1267         g_return_if_fail(item->folder != NULL);
1268
1269         message = g_strdup_printf
1270                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
1271                    "Do you really want to delete?"),
1272                  g_basename(item->path));
1273         avalue = alertpanel(_("Delete folder"), message,
1274                             _("Yes"), _("+No"), NULL);
1275         g_free(message);
1276         if (avalue != G_ALERTDEFAULT) return;
1277
1278         if (item->folder->remove_folder(item->folder, item) < 0) {
1279                 g_warning(_("can't remove folder `%s'\n"), item->path);
1280                 return;
1281         }
1282
1283         if (folderview->opened == folderview->selected ||
1284             gtk_ctree_is_ancestor(ctree,
1285                                   folderview->selected,
1286                                   folderview->opened)) {
1287                 summary_clear_all(folderview->summaryview);
1288                 folderview->opened = NULL;
1289         }
1290
1291         gtk_ctree_remove_node(ctree, folderview->selected);
1292         folder_write_list();
1293 }
1294
1295 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
1296                                          GtkWidget *widget)
1297 {
1298         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1299         GtkCTreeNode *node;
1300         FolderItem *item;
1301         gchar *message;
1302         AlertValue avalue;
1303
1304         if (!folderview->selected) return;
1305         node = folderview->selected;
1306         item = gtk_ctree_node_get_row_data(ctree, node);
1307         g_return_if_fail(item != NULL);
1308         g_return_if_fail(item->folder != NULL);
1309         if (item->parent) return;
1310
1311         message = g_strdup_printf
1312                 (_("Really remove the mailbox `%s' ?\n"
1313                    "(The messages are NOT deleted from disk)"),
1314                  item->folder->name);
1315         avalue = alertpanel(_("Remove folder"), message,
1316                             _("Yes"), _("+No"), NULL);
1317         g_free(message);
1318         if (avalue != G_ALERTDEFAULT) return;
1319
1320         folder_destroy(item->folder);
1321         summary_clear_all(folderview->summaryview);
1322         folderview_unselect(folderview);
1323         gtk_ctree_remove_node(ctree, node);
1324         folder_write_list();
1325 }
1326
1327 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
1328                                           GtkWidget *widget)
1329 {
1330         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1331         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1332         GtkCTreeNode *node;
1333         FolderItem *item;
1334         FolderItem *new_item;
1335         gchar *new_folder;
1336
1337         if (!folderview->selected) return;
1338
1339         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1340         g_return_if_fail(item != NULL);
1341         g_return_if_fail(item->folder != NULL);
1342         g_return_if_fail(item->folder->type == F_IMAP);
1343         g_return_if_fail(item->folder->account != NULL);
1344
1345         new_folder = input_dialog(_("New folder"),
1346                                   _("Input the name of new folder:"),
1347                                   _("NewFolder"));
1348         if (!new_folder) return;
1349
1350         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1351                 alertpanel_error(_("`%c' can't be included in folder name."),
1352                                  G_DIR_SEPARATOR);
1353                 g_free(new_folder);
1354                 return;
1355         }
1356
1357         /* find whether the directory already exists */
1358         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1359                 alertpanel_error(_("The folder `%s' already exists."),
1360                                  new_folder);
1361                 g_free(new_folder);
1362                 return;
1363         }
1364
1365         new_item = item->folder->create_folder(item->folder, item, new_folder);
1366         g_free(new_folder);
1367         if (!new_item) return;
1368
1369         gtk_clist_freeze(GTK_CLIST(ctree));
1370
1371         text[COL_FOLDER] = new_item->name;
1372         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1373                                      FOLDER_SPACING,
1374                                      folderxpm, folderxpmmask,
1375                                      folderopenxpm, folderopenxpmmask,
1376                                      FALSE, FALSE);
1377         gtk_ctree_expand(ctree, folderview->selected);
1378         gtk_ctree_node_set_row_data(ctree, node, new_item);
1379         folderview_sort_folders(folderview, folderview->selected, item->folder);
1380
1381         gtk_clist_thaw(GTK_CLIST(ctree));
1382
1383         folder_write_list();
1384 }
1385
1386 static void folderview_rm_imap_folder_cb(FolderView *folderview, guint action,
1387                                          GtkWidget *widget)
1388 {
1389         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1390         FolderItem *item;
1391         gchar *message;
1392         AlertValue avalue;
1393
1394         if (!folderview->selected) return;
1395
1396         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1397         g_return_if_fail(item != NULL);
1398         g_return_if_fail(item->folder != NULL);
1399         g_return_if_fail(item->folder->type == F_IMAP);
1400         g_return_if_fail(item->folder->account != NULL);
1401
1402         message = g_strdup_printf(_("Really delete folder `%s'?"),
1403                                   g_basename(item->path));
1404         avalue = alertpanel(_("Delete folder"), message,
1405                             _("Yes"), _("+No"), NULL);
1406         g_free(message);
1407         if (avalue != G_ALERTDEFAULT) return;
1408
1409         if (item->folder->remove_folder(item->folder, item) < 0) {
1410                 g_warning(_("can't remove folder `%s'\n"), item->path);
1411                 return;
1412         }
1413
1414         if (folderview->opened == folderview->selected ||
1415             gtk_ctree_is_ancestor(ctree,
1416                                   folderview->selected,
1417                                   folderview->opened)) {
1418                 summary_clear_all(folderview->summaryview);
1419                 folderview->opened = NULL;
1420         }
1421
1422         gtk_ctree_remove_node(ctree, folderview->selected);
1423         folder_write_list();
1424 }
1425
1426 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
1427                                          GtkWidget *widget)
1428 {
1429         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1430         FolderItem *item;
1431         gchar *message;
1432         AlertValue avalue;
1433
1434         if (!folderview->selected) return;
1435
1436         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1437         g_return_if_fail(item != NULL);
1438         g_return_if_fail(item->folder != NULL);
1439         g_return_if_fail(item->folder->type == F_IMAP);
1440         g_return_if_fail(item->folder->account != NULL);
1441
1442         message = g_strdup_printf(_("Really delete IMAP4 server `%s'?"),
1443                                   item->folder->name);
1444         avalue = alertpanel(_("Delete IMAP4 server"), message,
1445                             _("Yes"), _("+No"), NULL);
1446         g_free(message);
1447
1448         if (avalue != G_ALERTDEFAULT) return;
1449
1450         if (folderview->opened == folderview->selected ||
1451             gtk_ctree_is_ancestor(ctree,
1452                                   folderview->selected,
1453                                   folderview->opened)) {
1454                 summary_clear_all(folderview->summaryview);
1455                 folderview->opened = NULL;
1456         }
1457
1458         account_destroy(item->folder->account);
1459         folder_destroy(item->folder);
1460         gtk_ctree_remove_node(ctree, folderview->selected);
1461         account_set_menu();
1462         main_window_reflect_prefs_all();
1463         folder_write_list();
1464 }
1465
1466 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
1467                                          GtkWidget *widget)
1468 {
1469         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1470         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1471         GtkCTreeNode *servernode, *node;
1472         FolderItem *item;
1473         FolderItem *newitem;
1474         gchar *new_group;
1475         const gchar *server;
1476
1477         if (!folderview->selected) return;
1478
1479         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1480         g_return_if_fail(item != NULL);
1481         g_return_if_fail(item->folder != NULL);
1482         g_return_if_fail(item->folder->type == F_NEWS);
1483         g_return_if_fail(item->folder->account != NULL);
1484
1485         new_group = grouplist_dialog(item);
1486         if (!new_group) return;
1487
1488         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
1489                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
1490         else
1491                 servernode = folderview->selected;
1492
1493         if (folderview_find_by_name(ctree, servernode, new_group)) {
1494                 alertpanel_error(_("The newsgroup `%s' already exists."),
1495                                  new_group);
1496                 g_free(new_group);
1497                 return;
1498         }
1499
1500         gtk_clist_freeze(GTK_CLIST(ctree));
1501
1502         text[COL_FOLDER] = new_group;
1503         node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
1504                                      FOLDER_SPACING,
1505                                      folderxpm, folderxpmmask,
1506                                      folderopenxpm, folderopenxpmmask,
1507                                      FALSE, FALSE);
1508         gtk_ctree_expand(ctree, servernode);
1509
1510         item = gtk_ctree_node_get_row_data(ctree, servernode);
1511         server = item->folder->account->nntp_server;
1512
1513         newitem = folder_item_new(new_group, new_group);
1514         g_free(new_group);
1515         folder_item_append(item, newitem);
1516         gtk_ctree_node_set_row_data(ctree, node, newitem);
1517         gtk_ctree_sort_node(ctree, servernode);
1518
1519         gtk_clist_thaw(GTK_CLIST(ctree));
1520
1521         folder_write_list();
1522 }
1523
1524 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
1525                                         GtkWidget *widget)
1526 {
1527         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1528         FolderItem *item;
1529         gchar *message;
1530         AlertValue avalue;
1531
1532         if (!folderview->selected) return;
1533
1534         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1535         g_return_if_fail(item != NULL);
1536         g_return_if_fail(item->folder != NULL);
1537         g_return_if_fail(item->folder->type == F_NEWS);
1538         g_return_if_fail(item->folder->account != NULL);
1539
1540         message = g_strdup_printf(_("Really delete newsgroup `%s'?"),
1541                                   g_basename(item->path));
1542         avalue = alertpanel(_("Delete newsgroup"), message,
1543                             _("Yes"), _("+No"), NULL);
1544         g_free(message);
1545         if (avalue != G_ALERTDEFAULT) return;
1546
1547         if (folderview->opened == folderview->selected) {
1548                 summary_clear_all(folderview->summaryview);
1549                 folderview->opened = NULL;
1550         }
1551
1552         folder_item_remove(item);
1553         gtk_ctree_remove_node(ctree, folderview->selected);
1554         folder_write_list();
1555 }
1556
1557 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
1558                                          GtkWidget *widget)
1559 {
1560         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1561         FolderItem *item;
1562         gchar *message;
1563         AlertValue avalue;
1564
1565         if (!folderview->selected) return;
1566
1567         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1568         g_return_if_fail(item != NULL);
1569         g_return_if_fail(item->folder != NULL);
1570         g_return_if_fail(item->folder->type == F_NEWS);
1571         g_return_if_fail(item->folder->account != NULL);
1572
1573         message = g_strdup_printf(_("Really delete news server `%s'?"),
1574                                   item->folder->name);
1575         avalue = alertpanel(_("Delete news server"), message,
1576                             _("Yes"), _("+No"), NULL);
1577         g_free(message);
1578
1579         if (avalue != G_ALERTDEFAULT) return;
1580
1581         if (folderview->opened == folderview->selected ||
1582             gtk_ctree_is_ancestor(ctree,
1583                                   folderview->selected,
1584                                   folderview->opened)) {
1585                 summary_clear_all(folderview->summaryview);
1586                 folderview->opened = NULL;
1587         }
1588
1589         account_destroy(item->folder->account);
1590         folder_destroy(item->folder);
1591         gtk_ctree_remove_node(ctree, folderview->selected);
1592         account_set_menu();
1593         main_window_reflect_prefs_all();
1594         folder_write_list();
1595 }
1596
1597 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
1598                                           GdkDragContext *context,
1599                                           gint            x,
1600                                           gint            y,
1601                                           guint           time,
1602                                           FolderView     *folderview)
1603 {
1604         gint row, column;
1605         FolderItem *item;
1606         GtkCTreeNode *node;
1607
1608         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
1609                                          x - 24, y - 24, &row, &column)) {
1610                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
1611                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
1612                 if (item != NULL &&
1613                     item->path != NULL &&
1614                     folderview->summaryview->folder_item != item) {
1615                         if (item->folder->type != F_NEWS) {
1616                                 gtk_ctree_select(GTK_CTREE(widget), node);
1617                                 gdk_drag_status(context,
1618                                                 context->suggested_action,
1619                                                 time);
1620                                 return TRUE;
1621                         }
1622                 }
1623         }
1624
1625         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
1626         gdk_drag_status(context, 0, time);
1627
1628         return FALSE;
1629 }
1630
1631 static void folderview_drag_leave_cb(GtkWidget      *widget,
1632                                      GdkDragContext *context,
1633                                      guint           time,
1634                                      FolderView     *folderview)
1635 {
1636         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
1637 }
1638
1639 static void folderview_drag_received_cb(GtkWidget        *widget,
1640                                         GdkDragContext   *drag_context,
1641                                         gint              x,
1642                                         gint              y,
1643                                         GtkSelectionData *data,
1644                                         guint             info,
1645                                         guint             time,
1646                                         FolderView       *folderview)
1647 {
1648         gint row, column;
1649         FolderItem *item;
1650         GtkCTreeNode *node;
1651
1652         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
1653                                          x - 24, y - 24, &row, &column) == 0)
1654                 return;
1655
1656         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
1657         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
1658         if (item != NULL) {
1659                 summary_move_selected_to(folderview->summaryview, item);
1660                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
1661         } else
1662                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
1663 }
1664
1665 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
1666 {
1667         const FolderItem *item = a;
1668         const gchar *name = b;
1669
1670         if (!item->path) return -1;
1671         return strcmp2(g_basename(item->path), name);
1672 }