src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 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 "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "grouplistdialog.h"
  48 #include "manage_window.h"
  49 #include "alertpanel.h"
  50 #include "menu.h"
  51 #include "stock_pixmap.h"
  52 #include "procmsg.h"
  53 #include "utils.h"
  54 #include "gtkutils.h"
  55 #include "prefs_common.h"
  56 #include "prefs_account.h"
  57 #include "prefs_filtering.h"
  58 #include "prefs_folder_item.h"
  59 #include "account.h"
  60 #include "folder.h"
  61 #include "foldersel.h"
  62 #include "inc.h"
  63 #include "statusbar.h"
  64 #include "hooks.h"
  65
  66 typedef enum
  67 {
  68         COL_FOLDER      = 0,
  69         COL_NEW         = 1,
  70         COL_UNREAD      = 2,
  71         COL_TOTAL       = 3
  72 } FolderColumnPos;
  73
  74 #define N_FOLDER_COLS           4
  75 #define COL_FOLDER_WIDTH        150
  76 #define COL_NUM_WIDTH           32
  77
  78 static GList *folderview_list = NULL;
  79
  80 static GtkStyle *normal_style;
  81 static GtkStyle *normal_color_style;
  82 static GtkStyle *bold_style;
  83 static GtkStyle *bold_color_style;
  84 static GtkStyle *bold_tgtfold_style;
  85
  86 static GdkBitmap *inboxxpm;
  87 static GdkBitmap *inboxxpmmask;
  88 static GdkPixmap *inboxhrmxpm;
  89 static GdkBitmap *inboxhrmxpmmask;
  90 static GdkPixmap *inboxopenxpm;
  91 static GdkBitmap *inboxopenxpmmask;
  92 static GdkPixmap *inboxopenhrmxpm;
  93 static GdkBitmap *inboxopenhrmxpmmask;
  94 static GdkPixmap *outboxxpm;
  95 static GdkBitmap *outboxxpmmask;
  96 static GdkPixmap *outboxhrmxpm;
  97 static GdkBitmap *outboxhrmxpmmask;
  98 static GdkPixmap *outboxopenxpm;
  99 static GdkBitmap *outboxopenxpmmask;
 100 static GdkPixmap *outboxopenhrmxpm;
 101 static GdkBitmap *outboxopenhrmxpmmask;
 102 static GdkPixmap *folderxpm;
 103 static GdkBitmap *folderxpmmask;
 104 static GdkPixmap *folderhrmxpm;
 105 static GdkBitmap *folderhrmxpmmask;
 106 static GdkPixmap *folderopenxpm;
 107 static GdkBitmap *folderopenxpmmask;
 108 static GdkPixmap *folderopenhrmxpm;
 109 static GdkBitmap *folderopenhrmxpmmask;
 110 static GdkPixmap *trashopenxpm;
 111 static GdkBitmap *trashopenxpmmask;
 112 static GdkPixmap *trashopenhrmxpm;
 113 static GdkBitmap *trashopenhrmxpmmask;
 114 static GdkPixmap *trashxpm;
 115 static GdkBitmap *trashxpmmask;
 116 static GdkPixmap *trashhrmxpm;
 117 static GdkBitmap *trashhrmxpmmask;
 118 static GdkPixmap *queuexpm;
 119 static GdkBitmap *queuexpmmask;
 120 static GdkPixmap *queuehrmxpm;
 121 static GdkBitmap *queuehrmxpmmask;
 122 static GdkPixmap *queueopenxpm;
 123 static GdkBitmap *queueopenxpmmask;
 124 static GdkPixmap *queueopenhrmxpm;
 125 static GdkBitmap *queueopenhrmxpmmask;
 126 static GdkPixmap *newxpm;
 127 static GdkBitmap *newxpmmask;
 128 static GdkPixmap *unreadxpm;
 129 static GdkBitmap *unreadxpmmask;
 130 static GdkPixmap *draftsxpm;
 131 static GdkBitmap *draftsxpmmask;
 132 static GdkPixmap *draftsopenxpm;
 133 static GdkBitmap *draftsopenxpmmask;
 134
 135 static void folderview_select_node       (FolderView    *folderview,
 136                                           GtkCTreeNode  *node);
 137 static void folderview_set_folders       (FolderView    *folderview);
 138 static void folderview_sort_folders      (FolderView    *folderview,
 139                                           GtkCTreeNode  *root,
 140                                           Folder        *folder);
 141 static void folderview_append_folder     (FolderView    *folderview,
 142                                           Folder        *folder);
 143 static void folderview_update_node       (FolderView    *folderview,
 144                                           GtkCTreeNode  *node);
 145
 146 static GtkCTreeNode *folderview_find_by_name    (GtkCTree       *ctree,
 147                                                  GtkCTreeNode   *node,
 148                                                  const gchar    *name);
 149
 150 static gint folderview_clist_compare    (GtkCList       *clist,
 151                                          gconstpointer   ptr1,
 152                                          gconstpointer   ptr2);
 153 static gint folderview_compare_name     (gconstpointer   a,
 154                                          gconstpointer   b);
 155
 156 /* callback functions */
 157 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 158                                                  GdkEventButton *event,
 159                                                  FolderView     *folderview);
 160 static gboolean folderview_button_released      (GtkWidget      *ctree,
 161                                                  GdkEventButton *event,
 162                                                  FolderView     *folderview);
 163 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 164                                          GdkEventKey    *event,
 165                                          FolderView     *folderview);
 166 static void folderview_selected         (GtkCTree       *ctree,
 167                                          GtkCTreeNode   *row,
 168                                          gint            column,
 169                                          FolderView     *folderview);
 170 static void folderview_tree_expanded    (GtkCTree       *ctree,
 171                                          GtkCTreeNode   *node,
 172                                          FolderView     *folderview);
 173 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 174                                          GtkCTreeNode   *node,
 175                                          FolderView     *folderview);
 176 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 177                                          FolderView     *folderview);
 178 static void folderview_col_resized      (GtkCList       *clist,
 179                                          gint            column,
 180                                          gint            width,
 181                                          FolderView     *folderview);
 182
 183 static void folderview_download_cb      (FolderView     *folderview,
 184                                          guint           action,
 185                                          GtkWidget      *widget);
 186
 187 static void folderview_update_tree_cb   (FolderView     *folderview,
 188                                          guint           action,
 189                                          GtkWidget      *widget);
 190
 191 static void mark_all_read_cb            (FolderView    *folderview,
 192                                          guint           action,
 193                                          GtkWidget      *widget);
 194 static void folderview_new_folder_cb    (FolderView     *folderview,
 195                                          guint           action,
 196                                          GtkWidget      *widget);
 197 #if 0
 198 static void folderview_new_mbox_folder_cb(FolderView *folderview,
 199                                           guint action,
 200                                           GtkWidget *widget);
 201 #endif
 202 static void folderview_rename_folder_cb (FolderView     *folderview,
 203                                          guint           action,
 204                                          GtkWidget      *widget);
 205 #if 0
 206 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
 207                                              guint action,
 208                                              GtkWidget *widget);
 209 #endif
 210 static void folderview_delete_folder_cb (FolderView     *folderview,
 211                                          guint           action,
 212                                          GtkWidget      *widget);
 213 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 214                                          guint           action,
 215                                          GtkWidget      *widget);
 216
 217 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 218                                           guint          action,
 219                                           GtkWidget     *widget);
 220 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 221                                           guint          action,
 222                                           GtkWidget     *widget);
 223
 224 static void folderview_new_news_group_cb(FolderView     *folderview,
 225                                          guint           action,
 226                                          GtkWidget      *widget);
 227 static void folderview_rm_news_group_cb (FolderView     *folderview,
 228                                          guint           action,
 229                                          GtkWidget      *widget);
 230 static void folderview_rm_news_server_cb(FolderView     *folderview,
 231                                          guint           action,
 232                                          GtkWidget      *widget);
 233
 234 static void folderview_search_cb        (FolderView     *folderview,
 235                                          guint           action,
 236                                          GtkWidget      *widget);
 237
 238 static void folderview_property_cb      (FolderView     *folderview,
 239                                          guint           action,
 240                                          GtkWidget      *widget);
 241
 242 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 243                                           GdkDragContext *context,
 244                                           gint            x,
 245                                           gint            y,
 246                                           guint           time,
 247                                           FolderView     *folderview);
 248 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 249                                           GdkDragContext   *context,
 250                                           guint             time,
 251                                           FolderView       *folderview);
 252 static void folderview_drag_received_cb  (GtkWidget        *widget,
 253                                           GdkDragContext   *drag_context,
 254                                           gint              x,
 255                                           gint              y,
 256                                           GtkSelectionData *data,
 257                                           guint             info,
 258                                           guint             time,
 259                                           FolderView       *folderview);
 260 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 261                                           FolderView       *folderview);
 262 static void folderview_drag_data_get     (GtkWidget        *widget,
 263                                           GdkDragContext   *drag_context,
 264                                           GtkSelectionData *selection_data,
 265                                           guint             info,
 266                                           guint             time,
 267                                           FolderView       *folderview);
 268 static void folderview_drag_end_cb       (GtkWidget        *widget,
 269                                           GdkDragContext   *drag_context,
 270                                           FolderView       *folderview);
 271
 272 void folderview_create_folder_node       (FolderView       *folderview,
 273                                           FolderItem       *item);
 274 gboolean folderview_update_folder        (gpointer          source,
 275                                           gpointer          userdata);
 276 gboolean folderview_update_item          (gpointer          source,
 277                                           gpointer          data);
 278
 279 static void folderview_processing_cb(FolderView *folderview, guint action,
 280                                      GtkWidget *widget);
 281 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
 282                                FolderItem *to_folder);
 283 static void folderview_move_to_cb(FolderView *folderview);
 284
 285 #if 0
 286 static GtkItemFactoryEntry folderview_mbox_popup_entries[] =
 287 {
 288         {N_("/Create _new folder..."),  NULL, folderview_new_mbox_folder_cb,    0, NULL},
 289         {N_("/_Rename folder..."),      NULL, folderview_rename_mbox_folder_cb, 0, NULL},
 290         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 291         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 292         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 293         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 294         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 295         {N_("/_Properties..."),         NULL, NULL, 0, NULL},
 296         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 297 };
 298 #endif
 299
 300 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 301 {
 302         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 303         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 304         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 305         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 306         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 307         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 308         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 309         {N_("/_Check for new messages"),
 310                                         NULL, folderview_update_tree_cb, 0, NULL},
 311         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 312         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 313         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 314         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 315         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 316         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 317         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 318 };
 319
 320 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 321 {
 322         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 323         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 324         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 325         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb,   0, NULL},
 326         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 327         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb,   0, NULL},
 328         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 329         {N_("/Down_load"),              NULL, folderview_download_cb, 0, NULL},
 330         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 331         {N_("/_Check for new messages"),
 332                                         NULL, folderview_update_tree_cb, 0, NULL},
 333         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 334         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 335         {N_("/Remove _IMAP4 account"),  NULL, folderview_rm_imap_server_cb, 0, NULL},
 336         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 337         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 338         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 339         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 340 };
 341
 342 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 343 {
 344         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 345         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 346         {N_("/_Subscribe to newsgroup..."),
 347                                         NULL, folderview_new_news_group_cb, 0, NULL},
 348         {N_("/_Remove newsgroup"),      NULL, folderview_rm_news_group_cb, 0, NULL},
 349         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 350         {N_("/Down_load"),              NULL, folderview_download_cb, 0, NULL},
 351         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 352         {N_("/_Check for new messages"),
 353                                         NULL, folderview_update_tree_cb, 0, NULL},
 354         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 355         {N_("/Remove _news account"),   NULL, folderview_rm_news_server_cb, 0, NULL},
 356         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 357         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 358         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 359         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 360 };
 361
 362 GtkTargetEntry folderview_drag_types[] =
 363 {
 364         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 365 };
 366
 367 FolderView *folderview_create(void)
 368 {
 369         FolderView *folderview;
 370         GtkWidget *scrolledwin;
 371         GtkWidget *ctree;
 372         gchar *titles[N_FOLDER_COLS];
 373         GtkWidget *mail_popup;
 374         GtkWidget *news_popup;
 375         GtkWidget *imap_popup;
 376 #if 0
 377         GtkWidget *mbox_popup;
 378 #endif
 379         GtkItemFactory *mail_factory;
 380         GtkItemFactory *news_factory;
 381         GtkItemFactory *imap_factory;
 382 #if 0
 383         GtkItemFactory *mbox_factory;
 384 #endif
 385         gint n_entries;
 386         gint i;
 387
 388         debug_print("Creating folder view...\n");
 389         folderview = g_new0(FolderView, 1);
 390
 391         titles[COL_FOLDER] = _("Folder");
 392         titles[COL_NEW]    = _("New");
 393         titles[COL_UNREAD] = _("Unread");
 394         titles[COL_TOTAL]  = _("#");
 395
 396         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 397         gtk_scrolled_window_set_policy
 398                 (GTK_SCROLLED_WINDOW(scrolledwin),
 399                  GTK_POLICY_AUTOMATIC,
 400                  prefs_common.folderview_vscrollbar_policy);
 401         gtk_widget_set_size_request(scrolledwin,
 402                              prefs_common.folderview_width,
 403                              prefs_common.folderview_height);
 404
 405         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 406
 407         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 408         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 409 #ifndef CLAWS /* text instead of pixmaps */
 410         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 411                                            GTK_JUSTIFY_RIGHT);
 412         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 413                                            GTK_JUSTIFY_RIGHT);
 414 #endif
 415         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 416                                            GTK_JUSTIFY_RIGHT);
 417         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 418                                    prefs_common.folder_col_folder);
 419         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 420                                    prefs_common.folder_col_new);
 421         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 422                                    prefs_common.folder_col_unread);
 423         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 424                                    prefs_common.folder_col_total);
 425         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 426         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 427                                      GTK_CTREE_EXPANDER_SQUARE);
 428         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 429         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 430
 431         /* don't let title buttons take key focus */
 432         for (i = 0; i < N_FOLDER_COLS; i++)
 433                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 434                                        GTK_CAN_FOCUS);
 435
 436         /* popup menu */
 437         n_entries = sizeof(folderview_mail_popup_entries) /
 438                 sizeof(folderview_mail_popup_entries[0]);
 439         mail_popup = menu_create_items(folderview_mail_popup_entries,
 440                                        n_entries,
 441                                        "<MailFolder>", &mail_factory,
 442                                        folderview);
 443         n_entries = sizeof(folderview_imap_popup_entries) /
 444                 sizeof(folderview_imap_popup_entries[0]);
 445         imap_popup = menu_create_items(folderview_imap_popup_entries,
 446                                        n_entries,
 447                                        "<IMAPFolder>", &imap_factory,
 448                                        folderview);
 449         n_entries = sizeof(folderview_news_popup_entries) /
 450                 sizeof(folderview_news_popup_entries[0]);
 451         news_popup = menu_create_items(folderview_news_popup_entries,
 452                                        n_entries,
 453                                        "<NewsFolder>", &news_factory,
 454                                        folderview);
 455 #if 0
 456         n_entries = sizeof(folderview_mbox_popup_entries) /
 457                 sizeof(folderview_mbox_popup_entries[0]);
 458         mbox_popup = menu_create_items(folderview_mbox_popup_entries,
 459                                        n_entries,
 460                                        "<MboxFolder>", &mbox_factory,
 461                                        folderview);
 462 #endif
 463
 464         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 465                          G_CALLBACK(folderview_key_pressed),
 466                          folderview);
 467         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 468                          G_CALLBACK(folderview_button_pressed),
 469                          folderview);
 470         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 471                          G_CALLBACK(folderview_button_released),
 472                          folderview);
 473         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 474                          G_CALLBACK(folderview_selected), folderview);
 475         g_signal_connect(G_OBJECT(ctree), "start_drag",
 476                          G_CALLBACK(folderview_start_drag), folderview);
 477         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 478                          G_CALLBACK(folderview_drag_data_get),
 479                          folderview);
 480
 481         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 482                                G_CALLBACK(folderview_tree_expanded),
 483                                folderview);
 484         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 485                                G_CALLBACK(folderview_tree_collapsed),
 486                                folderview);
 487
 488         g_signal_connect(G_OBJECT(ctree), "resize_column",
 489                          G_CALLBACK(folderview_col_resized),
 490                          folderview);
 491
 492         g_signal_connect(G_OBJECT(mail_popup), "selection_done",
 493                          G_CALLBACK(folderview_popup_close),
 494                          folderview);
 495         g_signal_connect(G_OBJECT(imap_popup), "selection_done",
 496                          G_CALLBACK(folderview_popup_close),
 497                          folderview);
 498         g_signal_connect(G_OBJECT(news_popup), "selection_done",
 499                          G_CALLBACK(folderview_popup_close),
 500                          folderview);
 501 #if 0
 502         g_signal_connect(G_OBJECT(mbox_popup), "selection_done",
 503                          G_CALLBACK(folderview_popup_close),
 504                          folderview);
 505 #endif
 506
 507         /* drop callback */
 508         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 509                           summary_drag_types, 1,
 510                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 511         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 512                          G_CALLBACK(folderview_drag_motion_cb),
 513                          folderview);
 514         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 515                          G_CALLBACK(folderview_drag_leave_cb),
 516                          folderview);
 517         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 518                          G_CALLBACK(folderview_drag_received_cb),
 519                          folderview);
 520         g_signal_connect(G_OBJECT(ctree), "drag_end",
 521                          G_CALLBACK(folderview_drag_end_cb),
 522                          folderview);
 523
 524         folderview->scrolledwin  = scrolledwin;
 525         folderview->ctree        = ctree;
 526         folderview->mail_popup   = mail_popup;
 527         folderview->mail_factory = mail_factory;
 528         folderview->imap_popup   = imap_popup;
 529         folderview->imap_factory = imap_factory;
 530         folderview->news_popup   = news_popup;
 531         folderview->news_factory = news_factory;
 532 #if 0
 533         folderview->mbox_popup   = mbox_popup;
 534         folderview->mbox_factory = mbox_factory;
 535 #endif
 536
 537         folderview->folder_update_callback_id =
 538                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 539         folderview->folder_item_update_callback_id =
 540                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item, (gpointer) folderview);
 541
 542         gtk_widget_show_all(scrolledwin);
 543
 544         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 545         folderview_list = g_list_append(folderview_list, folderview);
 546
 547         return folderview;
 548 }
 549
 550 void folderview_init(FolderView *folderview)
 551 {
 552         static GdkFont *boldfont = NULL;
 553         static GdkFont *normalfont = NULL;
 554         GtkWidget *ctree = folderview->ctree;
 555         GtkWidget *label_new;
 556         GtkWidget *label_unread;
 557         GtkWidget *hbox_new;
 558         GtkWidget *hbox_unread;
 559
 560         gtk_widget_realize(ctree);
 561         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 562         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 563         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 564         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 565         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 566         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 567         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 568         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 569         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 570         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 571         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 572         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 573         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 574         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 575         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 576         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 577         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 578         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 579         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 580         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 581         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 582         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 583
 584         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 585          * instead text (text overflows making them unreadable and ugly) */
 586         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 587                          &newxpm, &newxpmmask);
 588         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 589                          &unreadxpm, &unreadxpmmask);
 590
 591         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 592         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 593
 594         hbox_new = gtk_hbox_new(FALSE, 4);
 595         hbox_unread = gtk_hbox_new(FALSE, 4);
 596
 597         /* left justified */
 598         gtk_box_pack_start(GTK_BOX(hbox_new),label_new,FALSE,FALSE,0);
 599         gtk_box_pack_start(GTK_BOX(hbox_unread),label_unread,FALSE,FALSE,0);
 600
 601         gtk_widget_show_all(hbox_new);
 602         gtk_widget_show_all(hbox_unread);
 603
 604         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 605         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 606
 607         if (!normal_style) {
 608                 PangoFontDescription *font_desc;
 609                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 610                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 611                 if (font_desc) {
 612                         if (normal_style->font_desc)
 613                                 pango_font_description_free
 614                                         (normal_style->font_desc);
 615                         normal_style->font_desc = font_desc;
 616                 }
 617                 normal_color_style = gtk_style_copy(normal_style);
 618                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 619
 620                 gtk_widget_set_style(ctree, normal_style);
 621         }
 622
 623         if (!bold_style) {
 624                 PangoFontDescription *font_desc;
 625                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 626                 font_desc = pango_font_description_from_string(prefs_common.boldfont);
 627                 if (font_desc) {
 628                         if (bold_style->font_desc)
 629                                 pango_font_description_free
 630                                         (bold_style->font_desc);
 631                         bold_style->font_desc = font_desc;
 632                 }
 633                 bold_color_style = gtk_style_copy(bold_style);
 634                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 635
 636                 bold_tgtfold_style = gtk_style_copy(bold_style);
 637                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 638         }
 639 }
 640
 641 void folderview_set(FolderView *folderview)
 642 {
 643         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 644         MainWindow *mainwin = folderview->mainwin;
 645
 646         debug_print("Setting folder info...\n");
 647         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 648
 649         main_window_cursor_wait(mainwin);
 650
 651         folderview->selected = NULL;
 652         folderview->opened = NULL;
 653
 654         gtk_clist_freeze(GTK_CLIST(ctree));
 655         gtk_clist_clear(GTK_CLIST(ctree));
 656         gtk_clist_thaw(GTK_CLIST(ctree));
 657         gtk_clist_freeze(GTK_CLIST(ctree));
 658
 659         folderview_set_folders(folderview);
 660
 661         gtk_clist_thaw(GTK_CLIST(ctree));
 662         main_window_cursor_normal(mainwin);
 663         STATUSBAR_POP(mainwin);
 664 }
 665
 666 void folderview_set_all(void)
 667 {
 668         GList *list;
 669
 670         for (list = folderview_list; list != NULL; list = list->next)
 671                 folderview_set((FolderView *)list->data);
 672 }
 673
 674 void folderview_select(FolderView *folderview, FolderItem *item)
 675 {
 676         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 677         GtkCTreeNode *node;
 678         GtkCTreeNode *old_selected = folderview->selected;
 679
 680         if (!item) return;
 681
 682         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 683         if (node) folderview_select_node(folderview, node);
 684
 685         if (old_selected != node)
 686                 folder_update_op_count();
 687 }
 688
 689 static void mark_all_read_cb(FolderView *folderview, guint action,
 690                              GtkWidget *widget)
 691 {
 692         if (folderview->selected)
 693                 summary_mark_all_read(folderview->summaryview);
 694 }
 695
 696 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 697 {
 698         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 699
 700         g_return_if_fail(node != NULL);
 701
 702         folderview->open_folder = TRUE;
 703         gtkut_ctree_set_focus_row(ctree, node);
 704         gtk_ctree_select(ctree, node);
 705         if (folderview->summaryview->folder_item &&
 706             folderview->summaryview->folder_item->total_msgs > 0)
 707                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 708         else
 709                 gtk_widget_grab_focus(folderview->ctree);
 710
 711         gtkut_ctree_expand_parent_all(ctree, node);
 712 }
 713
 714 void folderview_unselect(FolderView *folderview)
 715 {
 716         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 717                 gtk_ctree_collapse
 718                         (GTK_CTREE(folderview->ctree), folderview->opened);
 719
 720         folderview->selected = folderview->opened = NULL;
 721 }
 722
 723 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 724                                                  GtkCTreeNode *node)
 725 {
 726         FolderItem *item;
 727
 728         if (node)
 729                 node = gtkut_ctree_node_next(ctree, node);
 730         else
 731                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 732
 733         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 734                 item = gtk_ctree_node_get_row_data(ctree, node);
 735                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 736                         return node;
 737         }
 738
 739         return NULL;
 740 }
 741
 742 void folderview_select_next_unread(FolderView *folderview)
 743 {
 744         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 745         GtkCTreeNode *node = NULL;
 746
 747         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 748             != NULL) {
 749                 folderview_select_node(folderview, node);
 750                 return;
 751         }
 752
 753         if (!folderview->opened ||
 754             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 755                 return;
 756         /* search again from the first node */
 757         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 758                 folderview_select_node(folderview, node);
 759 }
 760
 761 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 762 {
 763         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 764         static GtkCTreeNode *prev_row = NULL;
 765         FolderItem *item;
 766         gint new, unread, total;
 767         gchar *new_str, *unread_str, *total_str;
 768
 769         if (!row) return;
 770
 771         item = gtk_ctree_node_get_row_data(ctree, row);
 772         if (!item) return;
 773
 774         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 775         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 776         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 777         new = atoi(new_str);
 778         unread = atoi(unread_str);
 779         total = atoi(total_str);
 780
 781         prev_row = row;
 782
 783         folderview_update_node(folderview, row);
 784 }
 785
 786 static void folderview_set_folders(FolderView *folderview)
 787 {
 788         GList *list;
 789
 790         list = folder_get_list();
 791
 792         for (; list != NULL; list = list->next)
 793                 folderview_append_folder(folderview, FOLDER(list->data));
 794 }
 795
 796 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 797                                       gpointer data)
 798 {
 799         GList *list;
 800
 801         for (list = folderview_list; list != NULL; list = list->next) {
 802                 FolderView *folderview = (FolderView *)list->data;
 803                 MainWindow *mainwin = folderview->mainwin;
 804                 gchar *str;
 805
 806                 if (item->path)
 807                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 808                                               item->folder->name, G_DIR_SEPARATOR,
 809                                               item->path);
 810                 else
 811                         str = g_strdup_printf(_("Scanning folder %s ..."),
 812                                               item->folder->name);
 813
 814                 STATUSBAR_PUSH(mainwin, str);
 815                 STATUSBAR_POP(mainwin);
 816                 g_free(str);
 817         }
 818 }
 819
 820 static GtkWidget *label_window_create(const gchar *str)
 821 {
 822         GtkWidget *window;
 823         GtkWidget *label;
 824
 825         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 826         gtk_widget_set_size_request(window, 380, 60);
 827         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 828         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 829         gtk_window_set_title(GTK_WINDOW(window), str);
 830         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 831         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 832         manage_window_set_transient(GTK_WINDOW(window));
 833
 834         label = gtk_label_new(str);
 835         gtk_container_add(GTK_CONTAINER(window), label);
 836         gtk_widget_show(label);
 837
 838         gtk_widget_show_now(window);
 839
 840         return window;
 841 }
 842
 843 void folderview_rescan_tree(Folder *folder)
 844 {
 845         GtkWidget *window;
 846
 847         g_return_if_fail(folder != NULL);
 848
 849         if (!folder->klass->scan_tree) return;
 850
 851         inc_lock();
 852         window = label_window_create(_("Rebuilding folder tree..."));
 853
 854         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 855         folder_scan_tree(folder);
 856         folder_set_ui_func(folder, NULL, NULL);
 857
 858         folderview_set_all();
 859
 860         gtk_widget_destroy(window);
 861         inc_unlock();
 862 }
 863
 864 /** folderview_check_new()
 865  *  Scan and update the folder and return the
 866  *  count the number of new messages since last check.
 867  *  \param folder the folder to check for new messages
 868  *  \return the number of new messages since last check
 869  */
 870 gint folderview_check_new(Folder *folder)
 871 {
 872         GList *list;
 873         FolderItem *item;
 874         FolderView *folderview;
 875         GtkCTree *ctree;
 876         GtkCTreeNode *node;
 877         gint new_msgs = 0;
 878         gint former_new_msgs = 0;
 879         gint former_new = 0;
 880
 881         for (list = folderview_list; list != NULL; list = list->next) {
 882                 folderview = (FolderView *)list->data;
 883                 ctree = GTK_CTREE(folderview->ctree);
 884
 885                 inc_lock();
 886                 main_window_lock(folderview->mainwin);
 887                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 888
 889                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 890                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 891                         item = gtk_ctree_node_get_row_data(ctree, node);
 892                         if (!item || !item->path || !item->folder) continue;
 893                         if (item->no_select) continue;
 894                         if (folder && folder != item->folder) continue;
 895                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 896                         if (!item->prefs->newmailcheck) continue;
 897
 898                         folderview_scan_tree_func(item->folder, item, NULL);
 899                         former_new = item->new_msgs;
 900                         if (folder_item_scan(item) < 0) {
 901                                 if (folder && !FOLDER_IS_LOCAL(folder))
 902                                         break;
 903                         }
 904                         folderview_update_node(folderview, node);
 905                         new_msgs += item->new_msgs;
 906                         former_new_msgs += former_new;
 907                 }
 908
 909                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 910                 main_window_unlock(folderview->mainwin);
 911                 inc_unlock();
 912         }
 913
 914         folder_write_list();
 915         /* Number of new messages since last check is the just the difference
 916          * between former_new_msgs and new_msgs. If new_msgs is less than
 917          * former_new_msgs, that would mean another session accessed the folder
 918          * and the result is not well defined.
 919          */
 920         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 921         return new_msgs;
 922 }
 923
 924 void folderview_check_new_all(void)
 925 {
 926         GList *list;
 927         GtkWidget *window;
 928         FolderView *folderview;
 929
 930         folderview = (FolderView *)folderview_list->data;
 931
 932         inc_lock();
 933         main_window_lock(folderview->mainwin);
 934         window = label_window_create
 935                 (_("Checking for new messages in all folders..."));
 936
 937         list = folder_get_list();
 938         for (; list != NULL; list = list->next) {
 939                 Folder *folder = list->data;
 940
 941                 folderview_check_new(folder);
 942         }
 943
 944         folder_write_list();
 945         folderview_set_all();
 946
 947         gtk_widget_destroy(window);
 948         main_window_unlock(folderview->mainwin);
 949         inc_unlock();
 950 }
 951
 952 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 953                                                 GtkCTreeNode *node)
 954 {
 955         FolderItem *item;
 956
 957         if (node) {
 958                 item = gtk_ctree_node_get_row_data(ctree, node);
 959                 if (item) {
 960                         if (item->new_msgs > 0 ||
 961                             (item->stype == F_QUEUE && item->total_msgs > 0))
 962                                 return TRUE;
 963                 }
 964                 node = GTK_CTREE_ROW(node)->children;
 965         } else
 966                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 967
 968         while (node) {
 969                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 970                         return TRUE;
 971                 node = GTK_CTREE_ROW(node)->sibling;
 972         }
 973
 974         return FALSE;
 975 }
 976
 977 static gboolean folderview_have_new_children(FolderView *folderview,
 978                                              GtkCTreeNode *node)
 979 {
 980         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 981
 982         if (!node)
 983                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 984         if (!node)
 985                 return FALSE;
 986
 987         node = GTK_CTREE_ROW(node)->children;
 988
 989         while (node) {
 990                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 991                         return TRUE;
 992                 node = GTK_CTREE_ROW(node)->sibling;
 993         }
 994
 995         return FALSE;
 996 }
 997
 998 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 999                                                    GtkCTreeNode *node)
1000 {
1001         FolderItem *item;
1002
1003         if (node) {
1004                 item = gtk_ctree_node_get_row_data(ctree, node);
1005                 if (item) {
1006                         if (item->unread_msgs > 0 ||
1007                             (item->stype == F_QUEUE && item->total_msgs > 0))
1008                                 return TRUE;
1009                 }
1010                 node = GTK_CTREE_ROW(node)->children;
1011         } else
1012                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1013
1014         while (node) {
1015                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1016                         return TRUE;
1017                 node = GTK_CTREE_ROW(node)->sibling;
1018         }
1019
1020         return FALSE;
1021 }
1022
1023 static gboolean folderview_have_unread_children(FolderView *folderview,
1024                                                 GtkCTreeNode *node)
1025 {
1026         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1027
1028         if (!node)
1029                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1030         if (!node)
1031                 return FALSE;
1032
1033         node = GTK_CTREE_ROW(node)->children;
1034
1035         while (node) {
1036                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1037                         return TRUE;
1038                 node = GTK_CTREE_ROW(node)->sibling;
1039         }
1040
1041         return FALSE;
1042 }
1043
1044 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1045 {
1046         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1047         GtkStyle *style = NULL;
1048         GtkStyle *color_style = NULL;
1049         FolderItem *item;
1050         GdkPixmap *xpm, *openxpm;
1051         GdkBitmap *mask, *openmask;
1052         gchar *name;
1053         gchar *str;
1054         gboolean add_unread_mark;
1055         gboolean use_bold, use_color;
1056
1057         item = gtk_ctree_node_get_row_data(ctree, node);
1058         g_return_if_fail(item != NULL);
1059
1060         switch (item->stype) {
1061         case F_INBOX:
1062                 if (item->hide_read_msgs) {
1063                         xpm = inboxhrmxpm;
1064                         mask = inboxhrmxpmmask;
1065                         openxpm = inboxopenhrmxpm;
1066                         openmask = inboxopenhrmxpmmask;
1067                 } else {
1068                         xpm = inboxxpm;
1069                         mask = inboxxpmmask;
1070                         openxpm = inboxopenxpm;
1071                         openmask = inboxopenxpmmask;
1072                 }
1073                 break;
1074         case F_OUTBOX:
1075                 if (item->hide_read_msgs) {
1076                         xpm = outboxhrmxpm;
1077                         mask = outboxhrmxpmmask;
1078                         openxpm = outboxopenhrmxpm;
1079                         openmask = outboxopenhrmxpmmask;
1080                 } else {
1081                         xpm = outboxxpm;
1082                         mask = outboxxpmmask;
1083                         openxpm = outboxopenxpm;
1084                         openmask = outboxopenxpmmask;
1085                 }
1086                 break;
1087         case F_QUEUE:
1088                 if (item->hide_read_msgs) {
1089                         xpm = queuehrmxpm;
1090                         mask = queuehrmxpmmask;
1091                         openxpm = queueopenhrmxpm;
1092                         openmask = queueopenhrmxpmmask;
1093                 } else {
1094                         xpm = queuexpm;
1095                         mask = queuexpmmask;
1096                         openxpm = queueopenxpm;
1097                         openmask = queueopenxpmmask;
1098                 }
1099                 break;
1100         case F_TRASH:
1101                 if (item->hide_read_msgs) {
1102                         xpm = trashhrmxpm;
1103                         mask = trashhrmxpmmask;
1104                         openxpm = trashopenhrmxpm;
1105                         openmask = trashopenhrmxpmmask;
1106                 } else {
1107                         xpm = trashxpm;
1108                         mask = trashxpmmask;
1109                         openxpm = trashopenxpm;
1110                         openmask = trashopenxpmmask;
1111                 }
1112                 break;
1113         case F_DRAFT:
1114                 xpm = draftsxpm;
1115                 mask = draftsxpmmask;
1116                 openxpm = draftsopenxpm;
1117                 openmask = draftsopenxpmmask;
1118                 break;
1119         default:
1120                 if (item->hide_read_msgs) {
1121                         xpm = folderhrmxpm;
1122                         mask = folderhrmxpmmask;
1123                         openxpm = folderopenhrmxpm;
1124                         openmask = folderopenhrmxpmmask;
1125                 } else {
1126                         xpm = folderxpm;
1127                         mask = folderxpmmask;
1128                         openxpm = folderopenxpm;
1129                         openmask = folderopenxpmmask;
1130                 }
1131         }
1132         name = folder_item_get_name(item);
1133
1134         if (!GTK_CTREE_ROW(node)->expanded &&
1135             folderview_have_unread_children(folderview, node))
1136                 add_unread_mark = TRUE;
1137         else
1138                 add_unread_mark = FALSE;
1139
1140         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1141             prefs_common.display_folder_unread) {
1142                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1143                                       add_unread_mark ? "+" : "");
1144                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1145                                         xpm, mask, openxpm, openmask,
1146                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1147                 g_free(str);
1148         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1149                  prefs_common.display_folder_unread) {
1150
1151                 if (item->unread_msgs > 0)
1152                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1153                                               add_unread_mark ? "+" : "",
1154                                               item->unreadmarked_msgs > 0 ? "!":"");
1155                 else
1156                         str = g_strdup_printf("%s (+)", name);
1157                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1158                                         xpm, mask, openxpm, openmask,
1159                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1160                 g_free(str);
1161         } else {
1162                 str = g_strdup_printf("%s%s", name,
1163                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1164
1165                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1166                                         xpm, mask, openxpm, openmask,
1167                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1168                 g_free(str);
1169         }
1170         g_free(name);
1171
1172         if (!folder_item_parent(item)) {
1173                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1174                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1175                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1176         } else {
1177                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1178                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1179                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1180         }
1181
1182         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1183             item->stype == F_TRASH) {
1184                 use_bold = use_color = FALSE;
1185         } else if (item->stype == F_QUEUE) {
1186                 /* highlight queue folder if there are any messages */
1187                 use_bold = use_color = (item->total_msgs > 0);
1188         } else {
1189                 /* if unread messages exist, print with bold font */
1190                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1191                 /* if new messages exist, print with colored letter */
1192                 use_color =
1193                         (item->new_msgs > 0) ||
1194                         (add_unread_mark &&
1195                          folderview_have_new_children(folderview, node));
1196         }
1197
1198         gtk_ctree_node_set_foreground(ctree, node, NULL);
1199
1200         if (use_bold) {
1201                 if (item->prefs->color > 0 && !use_color) {
1202                         GdkColor gdk_color;
1203
1204                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1205                         color_style = gtk_style_copy(bold_style);
1206                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1207                         style = color_style;
1208                 } else if (use_color)
1209                         style = bold_color_style;
1210                 else
1211                         style = bold_style;
1212                 if (item->op_count > 0) {
1213                         style = bold_tgtfold_style;
1214                 }
1215         } else if (use_color) {
1216                 style = normal_color_style;
1217                 gtk_ctree_node_set_foreground(ctree, node,
1218                                               &folderview->color_new);
1219         } else if (item->op_count > 0) {
1220                 style = bold_tgtfold_style;
1221         } else if (item->prefs->color > 0) {
1222                 GdkColor gdk_color;
1223
1224                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1225                 color_style = gtk_style_copy(normal_style);
1226                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1227                 style = color_style;
1228         } else {
1229                 style = normal_style;
1230         }
1231
1232         gtk_ctree_node_set_row_style(ctree, node, style);
1233
1234         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1235                 folderview_update_node(folderview, node);
1236 }
1237
1238 gboolean folderview_update_item(gpointer source, gpointer data)
1239 {
1240         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1241         FolderView *folderview = (FolderView *)data;
1242         GtkCTree *ctree;
1243         GtkCTreeNode *node;
1244
1245         g_return_val_if_fail(update_info != NULL, TRUE);
1246         g_return_val_if_fail(update_info->item != NULL, TRUE);
1247         g_return_val_if_fail(folderview != NULL, FALSE);
1248
1249         ctree = GTK_CTREE(folderview->ctree);
1250
1251         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1252         if (node) {
1253                 if (update_info->update_flags & F_ITEM_UPDATE_MSGCNT)
1254                         folderview_update_node(folderview, node);
1255                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1256                         summary_show(folderview->summaryview, update_info->item);
1257         }
1258
1259         return FALSE;
1260 }
1261
1262 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1263                                       GNode *gnode, GtkCTreeNode *cnode,
1264                                       gpointer data)
1265 {
1266         FolderView *folderview = (FolderView *)data;
1267         FolderItem *item = FOLDER_ITEM(gnode->data);
1268
1269         g_return_val_if_fail(item != NULL, FALSE);
1270
1271         gtk_ctree_node_set_row_data(ctree, cnode, item);
1272         folderview_update_node(folderview, cnode);
1273
1274         return TRUE;
1275 }
1276
1277 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1278                                    gpointer data)
1279 {
1280         FolderView *folderview = (FolderView *)data;
1281         FolderItem *item;
1282
1283         if (GTK_CTREE_ROW(node)->children) {
1284                 item = gtk_ctree_node_get_row_data(ctree, node);
1285                 g_return_if_fail(item != NULL);
1286
1287                 if (!item->collapsed)
1288                         gtk_ctree_expand(ctree, node);
1289                 else
1290                         folderview_update_node(folderview, node);
1291         }
1292 }
1293
1294 #define SET_SPECIAL_FOLDER(ctree, item) \
1295 { \
1296         if (item) { \
1297                 GtkCTreeNode *node, *parent, *sibling; \
1298  \
1299                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
1300                 if (!node) \
1301                         g_warning("%s not found.\n", item->path); \
1302                 else { \
1303                         parent = GTK_CTREE_ROW(node)->parent; \
1304                         if (prev && parent == GTK_CTREE_ROW(prev)->parent) \
1305                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
1306                         else \
1307                                 sibling = GTK_CTREE_ROW(parent)->children; \
1308                         while (sibling) { \
1309                                 FolderItem *tmp; \
1310  \
1311                                 tmp = gtk_ctree_node_get_row_data \
1312                                         (ctree, sibling); \
1313                                 if (tmp->stype != F_NORMAL) \
1314                                         sibling = GTK_CTREE_ROW(sibling)->sibling; \
1315                                 else \
1316                                         break; \
1317                         } \
1318                         if (node != sibling) \
1319                                 gtk_ctree_move(ctree, node, parent, sibling); \
1320                 } \
1321  \
1322                 prev = node; \
1323         } \
1324 }
1325
1326 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1327                                     Folder *folder)
1328 {
1329         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1330         GtkCTreeNode *prev = NULL;
1331
1332         gtk_sctree_sort_recursive(ctree, root);
1333
1334         if (root && GTK_CTREE_ROW(root)->parent) return;
1335
1336         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1337         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1338         SET_SPECIAL_FOLDER(ctree, folder->draft);
1339         SET_SPECIAL_FOLDER(ctree, folder->queue);
1340         SET_SPECIAL_FOLDER(ctree, folder->trash);
1341 }
1342
1343 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1344 {
1345         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1346         GtkCTreeNode *root;
1347
1348         g_return_if_fail(folder != NULL);
1349
1350         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1351                                       folderview_gnode_func, folderview);
1352         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1353                                 folderview);
1354         folderview_sort_folders(folderview, root, folder);
1355 }
1356
1357 void folderview_new_folder(FolderView *folderview)
1358 {
1359         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1360         FolderItem *item;
1361
1362         if (!folderview->selected) return;
1363
1364         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1365         g_return_if_fail(item != NULL);
1366         g_return_if_fail(item->folder != NULL);
1367
1368         switch (FOLDER_TYPE(item->folder)) {
1369 #if 0
1370         case F_MBOX:
1371                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1372                 break;
1373 #endif
1374         case F_MH:
1375         case F_MAILDIR:
1376                 folderview_new_folder_cb(folderview, 0, NULL);
1377                 break;
1378         case F_IMAP:
1379                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1380                 break;
1381         case F_NEWS:
1382         default:
1383                 break;
1384         }
1385 }
1386
1387 void folderview_rename_folder(FolderView *folderview)
1388 {
1389         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1390         FolderItem *item;
1391
1392         if (!folderview->selected) return;
1393
1394         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1395         g_return_if_fail(item != NULL);
1396         g_return_if_fail(item->folder != NULL);
1397         if (!item->path) return;
1398         if (item->stype != F_NORMAL) return;
1399
1400         switch (FOLDER_TYPE(item->folder)) {
1401 #if 0
1402         case F_MBOX:
1403                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1404                 break;
1405 #endif
1406         case F_MH:
1407         case F_MAILDIR:
1408         case F_IMAP:
1409                 folderview_rename_folder_cb(folderview, 0, NULL);
1410                 break;
1411         case F_NEWS:
1412         default:
1413                 break;
1414         }
1415 }
1416
1417 void folderview_delete_folder(FolderView *folderview)
1418 {
1419         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1420         FolderItem *item;
1421
1422         if (!folderview->selected) return;
1423
1424         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1425         g_return_if_fail(item != NULL);
1426         g_return_if_fail(item->folder != NULL);
1427         if (!item->path) return;
1428         if (item->stype != F_NORMAL) return;
1429
1430         switch (FOLDER_TYPE(item->folder)) {
1431         case F_MH:
1432 #if 0
1433         case F_MBOX:
1434 #endif
1435         case F_MAILDIR:
1436         case F_IMAP:
1437                 folderview_delete_folder_cb(folderview, 0, NULL);
1438                 break;
1439         case F_NEWS:
1440         default:
1441                 break;
1442         }
1443 }
1444
1445
1446 /* callback functions */
1447
1448 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1449                                           FolderView *folderview)
1450 {
1451         GtkCList *clist = GTK_CLIST(ctree);
1452         gint prev_row = -1, row = -1, column = -1;
1453         FolderItem *item;
1454         Folder *folder;
1455         GtkWidget *popup;
1456         gboolean mark_all_read   = FALSE;
1457         gboolean new_folder      = FALSE;
1458         gboolean rename_folder   = FALSE;
1459         gboolean move_folder     = FALSE;
1460         gboolean delete_folder   = FALSE;
1461         gboolean download_msg    = FALSE;
1462         gboolean update_tree     = FALSE;
1463         gboolean rescan_tree     = FALSE;
1464         gboolean remove_tree     = FALSE;
1465         gboolean search_folder   = FALSE;
1466         gboolean folder_property = FALSE;
1467         gboolean folder_processing  = FALSE;
1468         gboolean folder_scoring  = FALSE;
1469
1470         if (!event) return FALSE;
1471
1472         if (event->button == 1) {
1473                 folderview->open_folder = TRUE;
1474                 return FALSE;
1475         }
1476
1477         if (event->button == 2 || event->button == 3) {
1478                 /* right clicked */
1479                 if (clist->selection) {
1480                         GtkCTreeNode *node;
1481
1482                         node = GTK_CTREE_NODE(clist->selection->data);
1483                         if (node)
1484                                 prev_row = gtkut_ctree_get_nth_from_node
1485                                         (GTK_CTREE(ctree), node);
1486                 }
1487
1488                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1489                                                   &row, &column))
1490                         return FALSE;
1491                 if (prev_row != row) {
1492                         gtk_clist_unselect_all(clist);
1493                         if (event->button == 2)
1494                                 folderview_select_node
1495                                         (folderview,
1496                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1497                                                             row));
1498                         else
1499                                 gtk_clist_select_row(clist, row, column);
1500                 }
1501         }
1502
1503         if (event->button != 3) return FALSE;
1504
1505         item = gtk_clist_get_row_data(clist, row);
1506         g_return_val_if_fail(item != NULL, FALSE);
1507         g_return_val_if_fail(item->folder != NULL, FALSE);
1508         folder = item->folder;
1509
1510         if (folderview->mainwin->lock_count == 0) {
1511                 new_folder = TRUE;
1512                 if (folder_item_parent(item) == NULL) {
1513                         update_tree = remove_tree = TRUE;
1514                         if (folder->account)
1515                                 folder_property = TRUE;
1516                 } else
1517                         mark_all_read = search_folder = folder_property = TRUE;
1518
1519                 if (FOLDER_IS_LOCAL(folder) || FOLDER_TYPE(folder) == F_IMAP /* || FOLDER_TYPE(folder) == F_MBOX */) {
1520                         if (folder_item_parent(item) == NULL)
1521                                 update_tree = rescan_tree = TRUE;
1522                         else if (item->stype == F_NORMAL)
1523                                 move_folder = rename_folder = delete_folder = folder_scoring = folder_processing = TRUE;
1524                         else if (item->stype == F_INBOX)
1525                                 folder_scoring = folder_processing = TRUE;
1526                         else if (item->stype == F_TRASH)
1527                                 folder_processing = TRUE;
1528                         else if (item->stype == F_OUTBOX)
1529                                 folder_processing = TRUE;
1530                         if (0 == item->total_msgs)
1531                                 search_folder = FALSE;
1532                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
1533                         if (folder_item_parent(item) != NULL)
1534                                 delete_folder = folder_scoring = folder_processing = TRUE;
1535                 }
1536                 if (FOLDER_TYPE(folder) == F_IMAP ||
1537                     FOLDER_TYPE(folder) == F_NEWS) {
1538                         if (folder_item_parent(item) != NULL &&
1539                             item->no_select == FALSE &&
1540                             !prefs_common.work_offline)
1541                                 download_msg = TRUE;
1542                 }
1543                 if (item->unread_msgs < 1)
1544                         mark_all_read = FALSE;
1545         }
1546
1547 #define SET_SENS(factory, name, sens) \
1548         menu_set_sensitive(folderview->factory, name, sens)
1549
1550         mark_all_read = mark_all_read &&
1551                         (item == folderview->summaryview->folder_item);
1552
1553         if (FOLDER_IS_LOCAL(folder)) {
1554                 popup = folderview->mail_popup;
1555                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1556                 SET_SENS(mail_factory, "/Mark all read", mark_all_read);
1557                 SET_SENS(mail_factory, "/Create new folder...", new_folder);
1558                 SET_SENS(mail_factory, "/Rename folder...", rename_folder);
1559                 SET_SENS(mail_factory, "/Move folder...", move_folder);
1560                 SET_SENS(mail_factory, "/Delete folder", delete_folder);
1561                 SET_SENS(mail_factory, "/Check for new messages", update_tree);
1562                 SET_SENS(mail_factory, "/Rebuild folder tree", rescan_tree);
1563                 SET_SENS(mail_factory, "/Remove mailbox", remove_tree);
1564                 SET_SENS(mail_factory, "/Search folder...", search_folder);
1565                 SET_SENS(mail_factory, "/Properties...", folder_property);
1566                 SET_SENS(mail_factory, "/Processing...", folder_processing);
1567         } else if (FOLDER_TYPE(folder) == F_IMAP) {
1568                 popup = folderview->imap_popup;
1569                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1570                 SET_SENS(imap_factory, "/Mark all read", mark_all_read);
1571                 SET_SENS(imap_factory, "/Create new folder...", new_folder);
1572                 SET_SENS(imap_factory, "/Rename folder...", rename_folder);
1573                 SET_SENS(imap_factory, "/Move folder...", move_folder);
1574                 SET_SENS(imap_factory, "/Delete folder", delete_folder);
1575                 SET_SENS(imap_factory, "/Download", download_msg);
1576                 SET_SENS(imap_factory, "/Check for new messages", update_tree);
1577                 SET_SENS(imap_factory, "/Rebuild folder tree", rescan_tree);
1578                 SET_SENS(imap_factory, "/Remove IMAP4 account", remove_tree);
1579                 SET_SENS(imap_factory, "/Search folder...", search_folder);
1580                 SET_SENS(imap_factory, "/Properties...", folder_property);
1581                 SET_SENS(imap_factory, "/Processing...", folder_processing);
1582         } else if (FOLDER_TYPE(folder) == F_NEWS) {
1583                 popup = folderview->news_popup;
1584                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1585                 SET_SENS(news_factory, "/Mark all read", mark_all_read);
1586                 SET_SENS(news_factory, "/Subscribe to newsgroup...", new_folder);
1587                 SET_SENS(news_factory, "/Remove newsgroup", delete_folder);
1588                 SET_SENS(news_factory, "/Download", download_msg);
1589                 SET_SENS(news_factory, "/Check for new messages", update_tree);
1590                 SET_SENS(news_factory, "/Remove news account", remove_tree);
1591                 SET_SENS(news_factory, "/Search folder...", search_folder);
1592                 SET_SENS(news_factory, "/Properties...", folder_property);
1593                 SET_SENS(news_factory, "/Processing...", folder_processing);
1594 #if 0
1595         } else if (FOLDER_TYPE(folder) == F_MBOX) {
1596                 popup = folderview->mbox_popup;
1597                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1598                 SET_SENS(mbox_factory, "/Create new folder...", new_folder);
1599                 SET_SENS(mbox_factory, "/Rename folder...", rename_folder);
1600                 SET_SENS(mbox_factory, "/Move folder...", move_folder);
1601                 SET_SENS(mbox_factory, "/Delete folder", delete_folder);
1602                 SET_SENS(news_factory, "/Properties...", folder_property);
1603                 SET_SENS(mbox_factory, "/Processing...", folder_processing);
1604 #endif
1605         } else
1606                 return FALSE;
1607
1608 #undef SET_SENS
1609
1610         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1611                        event->button, event->time);
1612
1613         return FALSE;
1614 }
1615
1616 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1617                                            FolderView *folderview)
1618 {
1619         if (!event) return FALSE;
1620
1621         if (event->button == 1 && folderview->open_folder == FALSE &&
1622             folderview->opened != NULL) {
1623                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1624                                           folderview->opened);
1625                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1626         }
1627
1628         return FALSE;
1629 }
1630
1631 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1632                                        FolderView *folderview)
1633 {
1634         if (!event) return FALSE;
1635
1636         switch (event->keyval) {
1637         case GDK_Return:
1638                 if (folderview->selected) {
1639                         folderview_select_node(folderview,
1640                                                folderview->selected);
1641                 }
1642                 break;
1643         case GDK_space:
1644                 if (folderview->selected) {
1645                         if (folderview->opened == folderview->selected &&
1646                             (!folderview->summaryview->folder_item ||
1647                              folderview->summaryview->folder_item->total_msgs == 0))
1648                                 folderview_select_next_unread(folderview);
1649                         else
1650                                 folderview_select_node(folderview,
1651                                                        folderview->selected);
1652                 }
1653                 break;
1654         default:
1655                 break;
1656         }
1657
1658         return FALSE;
1659 }
1660
1661 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1662                                 gint column, FolderView *folderview)
1663 {
1664         static gboolean can_select = TRUE;      /* exclusive lock */
1665         gboolean opened;
1666         FolderItem *item;
1667         gchar *buf;
1668
1669         folderview->selected = row;
1670
1671         if (folderview->opened == row) {
1672                 folderview->open_folder = FALSE;
1673                 return;
1674         }
1675
1676         if (!can_select || summary_is_locked(folderview->summaryview)) {
1677                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1678                 gtk_ctree_select(ctree, folderview->opened);
1679                 return;
1680         }
1681
1682         if (!folderview->open_folder) return;
1683
1684         item = gtk_ctree_node_get_row_data(ctree, row);
1685         if (!item) return;
1686
1687         can_select = FALSE;
1688
1689         /* Save cache for old folder */
1690         /* We don't want to lose all caches if sylpheed crashed */
1691         if (folderview->opened) {
1692                 FolderItem *olditem;
1693
1694                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1695                 if (olditem) {
1696                         /* will be null if we just moved the previously opened folder */
1697                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1698                         folder_item_close(olditem);
1699                 }
1700         }
1701
1702         /* CLAWS: set compose button type: news folder items
1703          * always have a news folder as parent */
1704         if (item->folder)
1705                 toolbar_set_compose_button
1706                         (folderview->mainwin->toolbar,
1707                          FOLDER_TYPE(item->folder) == F_NEWS ?
1708                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1709
1710         if (item->path)
1711                 debug_print("Folder %s is selected\n", item->path);
1712
1713         if (!GTK_CTREE_ROW(row)->children)
1714                 gtk_ctree_expand(ctree, row);
1715         if (folderview->opened &&
1716             !GTK_CTREE_ROW(folderview->opened)->children)
1717                 gtk_ctree_collapse(ctree, folderview->opened);
1718
1719         /* ungrab the mouse event */
1720         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1721                 gtk_grab_remove(GTK_WIDGET(ctree));
1722                 if (gdk_pointer_is_grabbed())
1723                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1724         }
1725
1726         /* Open Folder */
1727         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1728                                         item->path : "(null)");
1729         debug_print("%s\n", buf);
1730         STATUSBAR_PUSH(folderview->mainwin, buf);
1731         g_free(buf);
1732
1733         main_window_cursor_wait(folderview->mainwin);
1734
1735         if (folder_item_open(item) != 0) {
1736                 main_window_cursor_normal(folderview->mainwin);
1737                 STATUSBAR_POP(folderview->mainwin);
1738
1739                 alertpanel_error(_("Folder could not be opened."));
1740
1741                 return;
1742         }
1743
1744         main_window_cursor_normal(folderview->mainwin);
1745
1746         /* Show messages */
1747         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1748         opened = summary_show(folderview->summaryview, item);
1749
1750         folder_clean_cache_memory();
1751
1752         if (!opened) {
1753                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1754                 gtk_ctree_select(ctree, folderview->opened);
1755         } else {
1756                 folderview->opened = row;
1757                 if (gtk_ctree_node_is_visible(ctree, row)
1758                     != GTK_VISIBILITY_FULL)
1759                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1760         }
1761
1762         STATUSBAR_POP(folderview->mainwin);
1763
1764         folderview->open_folder = FALSE;
1765         can_select = TRUE;
1766 }
1767
1768 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1769                                      FolderView *folderview)
1770 {
1771         FolderItem *item;
1772
1773         item = gtk_ctree_node_get_row_data(ctree, node);
1774         g_return_if_fail(item != NULL);
1775         item->collapsed = FALSE;
1776         folderview_update_node(folderview, node);
1777 }
1778
1779 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1780                                       FolderView *folderview)
1781 {
1782         FolderItem *item;
1783
1784         item = gtk_ctree_node_get_row_data(ctree, node);
1785         g_return_if_fail(item != NULL);
1786         item->collapsed= TRUE;
1787         folderview_update_node(folderview, node);
1788 }
1789
1790 static void folderview_popup_close(GtkMenuShell *menu_shell,
1791                                    FolderView *folderview)
1792 {
1793         if (!folderview->opened) return;
1794
1795         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1796                                   folderview->opened);
1797         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1798 }
1799
1800 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1801                                    FolderView *folderview)
1802 {
1803         switch (column) {
1804         case COL_FOLDER:
1805                 prefs_common.folder_col_folder = width;
1806                 break;
1807         case COL_NEW:
1808                 prefs_common.folder_col_new = width;
1809                 break;
1810         case COL_UNREAD:
1811                 prefs_common.folder_col_unread = width;
1812                 break;
1813         case COL_TOTAL:
1814                 prefs_common.folder_col_total = width;
1815                 break;
1816         default:
1817                 break;
1818         }
1819 }
1820
1821 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1822                                              GtkCTreeNode *node,
1823                                              const gchar *name)
1824 {
1825         FolderItem *item;
1826
1827         if (!node)
1828                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1829         if (!node)
1830                 return NULL;
1831
1832         node = GTK_CTREE_ROW(node)->children;
1833
1834         while (node) {
1835                 item = gtk_ctree_node_get_row_data(ctree, node);
1836                 if (!folderview_compare_name(item, name))
1837                         return node;
1838                 node = GTK_CTREE_ROW(node)->sibling;
1839         }
1840
1841         return NULL;
1842 }
1843
1844 static void folderview_download_func(Folder *folder, FolderItem *item,
1845                                      gpointer data)
1846 {
1847         GList *list;
1848
1849         for (list = folderview_list; list != NULL; list = list->next) {
1850                 FolderView *folderview = (FolderView *)list->data;
1851                 MainWindow *mainwin = folderview->mainwin;
1852                 gchar *str;
1853
1854                 str = g_strdup_printf
1855                         (_("Downloading messages in %s ..."), item->path);
1856                 main_window_progress_set(mainwin,
1857                                          GPOINTER_TO_INT(data), item->total_msgs);
1858                 STATUSBAR_PUSH(mainwin, str);
1859                 STATUSBAR_POP(mainwin);
1860                 g_free(str);
1861         }
1862 }
1863
1864 static void folderview_download_cb(FolderView *folderview, guint action,
1865                                    GtkWidget *widget)
1866 {
1867         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1868         MainWindow *mainwin = folderview->mainwin;
1869         FolderItem *item;
1870
1871         if (!folderview->selected) return;
1872
1873         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1874         g_return_if_fail(item != NULL);
1875         g_return_if_fail(item->folder != NULL);
1876 #if 0
1877         if (!prefs_common.online_mode) {
1878                 if (alertpanel(_("Offline"),
1879                                _("You are offline. Go online?"),
1880                                _("Yes"), _("No"), NULL) == G_ALERTDEFAULT)
1881                         main_window_toggle_online(folderview->mainwin, TRUE);
1882                 else
1883                         return;
1884         }
1885 #endif
1886         main_window_cursor_wait(mainwin);
1887         inc_lock();
1888         main_window_lock(mainwin);
1889         gtk_widget_set_sensitive(folderview->ctree, FALSE);
1890         main_window_progress_on(mainwin);
1891         GTK_EVENTS_FLUSH();
1892         folder_set_ui_func(item->folder, folderview_download_func, NULL);
1893         if (folder_item_fetch_all_msg(item) < 0) {
1894                 gchar *name;
1895
1896                 name = trim_string(item->name, 32);
1897                 alertpanel_error(_("Error occurred while downloading messages in `%s'."), name);
1898                 g_free(name);
1899         }
1900         folder_set_ui_func(item->folder, NULL, NULL);
1901         main_window_progress_off(mainwin);
1902         gtk_widget_set_sensitive(folderview->ctree, TRUE);
1903         main_window_unlock(mainwin);
1904         inc_unlock();
1905         main_window_cursor_normal(mainwin);
1906 }
1907
1908 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1909                                       GtkWidget *widget)
1910 {
1911         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1912         FolderItem *item;
1913
1914         if (!folderview->selected) return;
1915
1916         summary_show(folderview->summaryview, NULL);
1917
1918         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1919         g_return_if_fail(item != NULL);
1920         g_return_if_fail(item->folder != NULL);
1921
1922         if (action == 0)
1923                 folderview_check_new(item->folder);
1924         else
1925                 folderview_rescan_tree(item->folder);
1926 }
1927
1928 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1929 {
1930         GNode *srcnode;
1931
1932         folderview_create_folder_node(folderview, item);
1933
1934         srcnode = item->folder->node;
1935         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1936         srcnode = srcnode->children;
1937         while (srcnode != NULL) {
1938                 if (srcnode && srcnode->data) {
1939                         FolderItem *next_item = (FolderItem*) srcnode->data;
1940                         folderview_create_folder_node_recursive(folderview, next_item);
1941                 }
1942                 srcnode = srcnode->next;
1943         }
1944 }
1945
1946 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1947 {
1948         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1949         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1950         GtkCTreeNode *node, *parent_node;
1951
1952         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1953         if (parent_node == NULL)
1954                 return;
1955
1956         gtk_clist_freeze(GTK_CLIST(ctree));
1957
1958         text[COL_FOLDER] = item->name;
1959         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1960                                      FOLDER_SPACING,
1961                                      folderxpm, folderxpmmask,
1962                                      folderopenxpm, folderopenxpmmask,
1963                                      FALSE, FALSE);
1964         gtk_ctree_expand(ctree, parent_node);
1965         gtk_ctree_node_set_row_data(ctree, node, item);
1966         if (normal_style)
1967                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1968         folderview_sort_folders(folderview, folderview->selected, item->folder);
1969
1970         gtk_clist_thaw(GTK_CLIST(ctree));
1971 }
1972
1973 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1974                                      GtkWidget *widget)
1975 {
1976         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1977         FolderItem *item;
1978         FolderItem *new_item;
1979         gchar *new_folder;
1980         gchar *name, *name_;
1981
1982         if (!folderview->selected) return;
1983
1984         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1985         g_return_if_fail(item != NULL);
1986         g_return_if_fail(item->folder != NULL);
1987
1988         new_folder = input_dialog(_("New folder"),
1989                                   _("Input the name of new folder:"),
1990                                   _("NewFolder"));
1991         if (!new_folder) return;
1992
1993         if (FOLDER_TYPE(item->folder) != F_MBOX) {
1994                 if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1995                         alertpanel_error(_("`%c' can't be included in folder name."),
1996                                          G_DIR_SEPARATOR);
1997                         g_free(new_folder);
1998                         return;
1999                 }
2000         }
2001
2002         name_ = trim_string(new_folder, 32);
2003         Xstrdup_a(name, name_, {g_free(new_folder); return;});
2004         g_free(name_);
2005
2006         /* find whether the directory already exists */
2007         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
2008                 alertpanel_error(_("The folder `%s' already exists."), name);
2009                 g_free(new_folder);
2010                 return;
2011         }
2012
2013         new_item = folder_create_folder(item, new_folder);
2014         if (!new_item) {
2015                 alertpanel_error(_("Can't create the folder `%s'."), name);
2016                 g_free(new_folder);
2017                 return;
2018         }
2019         g_free(new_folder);
2020
2021         folder_write_list();
2022 }
2023
2024 #if 0
2025 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
2026                                           GtkWidget *widget)
2027 {
2028         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2029         FolderItem *item;
2030         FolderItem *new_item;
2031         gchar *new_folder;
2032
2033         if (!folderview->selected) return;
2034
2035         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2036         g_return_if_fail(item != NULL);
2037         g_return_if_fail(item->folder != NULL);
2038
2039         new_folder = input_dialog(_("New folder"),
2040                                   _("Input the name of new folder:"),
2041                                   _("NewFolder"));
2042         if (!new_folder) return;
2043
2044         /* find whether the directory already exists */
2045         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
2046                 alertpanel_error(_("The folder `%s' already exists."),
2047                                  new_folder);
2048                 g_free(new_folder);
2049                 return;
2050         }
2051
2052         new_item = folder_create_folder(item, new_folder);
2053         g_free(new_folder);
2054         if (!new_item) return;
2055
2056         folder_write_list();
2057 }
2058 #endif
2059
2060 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
2061                                         GtkWidget *widget)
2062 {
2063         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2064         FolderItem *item;
2065         gchar *new_folder;
2066         gchar *name, *name_;
2067         gchar *message;
2068         gchar *old_path;
2069         gchar *old_id;
2070         gchar *new_id;
2071
2072         if (!folderview->selected) return;
2073
2074         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2075         g_return_if_fail(item != NULL);
2076         g_return_if_fail(item->path != NULL);
2077         g_return_if_fail(item->folder != NULL);
2078
2079         name_ = trim_string(item->name, 32);
2080         Xstrdup_a(name, name_, return);
2081         g_free(name_);
2082         message = g_strdup_printf(_("Input new name for `%s':"), name);
2083         new_folder = input_dialog(_("Rename folder"), message,
2084                                   g_basename(item->path));
2085         g_free(message);
2086         if (!new_folder) return;
2087
2088         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
2089                 alertpanel_error(_("`%c' can't be included in folder name."),
2090                                  G_DIR_SEPARATOR);
2091                 g_free(new_folder);
2092                 return;
2093         }
2094
2095         if (folderview_find_by_name
2096                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2097                  new_folder)) {
2098                 name = trim_string(new_folder, 32);
2099                 alertpanel_error(_("The folder `%s' already exists."), name);
2100                 g_free(name);
2101                 g_free(new_folder);
2102                 return;
2103         }
2104
2105         Xstrdup_a(old_path, item->path, {g_free(new_folder); return;});
2106         old_id = folder_item_get_identifier(item);
2107
2108         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
2109                 g_free(old_id);
2110                 g_free(new_folder);
2111                 return;
2112         }
2113         g_free(new_folder);
2114
2115         /* if (FOLDER_TYPE(item->folder) == F_MH)
2116                 prefs_filtering_rename_path(old_path, item->path); */
2117         new_id = folder_item_get_identifier(item);
2118         prefs_filtering_rename_path(old_id, new_id);
2119
2120         g_free(old_id);
2121         g_free(new_id);
2122
2123         gtk_clist_freeze(GTK_CLIST(ctree));
2124
2125         folderview_update_node(folderview, folderview->selected);
2126         folderview_sort_folders(folderview,
2127                                 GTK_CTREE_ROW(folderview->selected)->parent,
2128                                 item->folder);
2129         if (folderview->opened == folderview->selected ||
2130             gtk_ctree_is_ancestor(ctree,
2131                                   folderview->selected,
2132                                   folderview->opened)) {
2133                 GtkCTreeNode *node = folderview->opened;
2134                 folderview_unselect(folderview);
2135                 folderview_select_node(folderview, node);
2136         }
2137
2138         gtk_clist_thaw(GTK_CLIST(ctree));
2139
2140         folder_write_list();
2141 }
2142
2143 #if 0
2144 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
2145                                              guint action,
2146                                              GtkWidget *widget)
2147 {
2148         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2149         FolderItem *item;
2150         gchar *new_folder;
2151         gchar *message;
2152
2153         if (!folderview->selected) return;
2154
2155         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2156         g_return_if_fail(item != NULL);
2157         g_return_if_fail(item->path != NULL);
2158         g_return_if_fail(item->folder != NULL);
2159
2160         message = g_strdup_printf(_("Input new name for `%s':"),
2161                                   g_basename(item->path));
2162         new_folder = input_dialog(_("Rename folder"), message,
2163                                   g_basename(item->path));
2164         g_free(message);
2165         if (!new_folder) return;
2166
2167         if (folderview_find_by_name
2168                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2169                  new_folder)) {
2170                 alertpanel_error(_("The folder `%s' already exists."),
2171                                  new_folder);
2172                 g_free(new_folder);
2173                 return;
2174         }
2175
2176         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
2177                 g_free(new_folder);
2178                 return;
2179         }
2180         g_free(new_folder);
2181
2182         gtk_clist_freeze(GTK_CLIST(ctree));
2183
2184         folderview_update_node(folderview, folderview->selected);
2185         folderview_sort_folders(folderview,
2186                                 GTK_CTREE_ROW(folderview->selected)->parent,
2187                                 item->folder);
2188         if (folderview->opened == folderview->selected) {
2189                 if (!GTK_CTREE_ROW(folderview->opened)->children)
2190                         gtk_ctree_expand(ctree, folderview->opened);
2191                 summary_show(folderview->summaryview, item);
2192         }
2193
2194         gtk_clist_thaw(GTK_CLIST(ctree));
2195
2196         folder_write_list();
2197 }
2198 #endif
2199
2200 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
2201                                         GtkWidget *widget)
2202 {
2203         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2204         FolderItem *item;
2205         gchar *message, *name, *name_;
2206         AlertValue avalue;
2207         gchar *old_path;
2208         gchar *old_id;
2209
2210         if (!folderview->selected) return;
2211
2212         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2213         g_return_if_fail(item != NULL);
2214         g_return_if_fail(item->path != NULL);
2215         g_return_if_fail(item->folder != NULL);
2216
2217         name_ = trim_string(item->name, 32);
2218         Xstrdup_a(name, name_, return);
2219         g_free(name_);
2220         message = g_strdup_printf
2221                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
2222                    "Do you really want to delete?"), name);
2223         avalue = alertpanel(_("Delete folder"), message,
2224                             _("Yes"), _("+No"), NULL);
2225         g_free(message);
2226         if (avalue != G_ALERTDEFAULT) return;
2227
2228         Xstrdup_a(old_path, item->path, return);
2229         old_id = folder_item_get_identifier(item);
2230
2231         if (folderview->opened == folderview->selected ||
2232             gtk_ctree_is_ancestor(ctree,
2233                                   folderview->selected,
2234                                   folderview->opened)) {
2235                 summary_clear_all(folderview->summaryview);
2236                 folderview->opened = NULL;
2237         }
2238
2239         if (item->folder->klass->remove_folder(item->folder, item) < 0) {
2240                 alertpanel_error(_("Can't remove the folder `%s'."), name);
2241                 if (folderview->opened == folderview->selected)
2242                         summary_show(folderview->summaryview,
2243                                      folderview->summaryview->folder_item);
2244                 g_free(old_id);
2245                 return;
2246         }
2247
2248         folder_write_list();
2249
2250         prefs_filtering_delete_path(old_id);
2251         g_free(old_id);
2252
2253 }
2254
2255 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
2256                                          GtkWidget *widget)
2257 {
2258         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2259         GtkCTreeNode *node;
2260         FolderItem *item;
2261         gchar *name, *name_;
2262         gchar *message;
2263         AlertValue avalue;
2264
2265         if (!folderview->selected) return;
2266         node = folderview->selected;
2267         item = gtk_ctree_node_get_row_data(ctree, node);
2268         g_return_if_fail(item != NULL);
2269         g_return_if_fail(item->folder != NULL);
2270         if (folder_item_parent(item)) return;
2271
2272         name_ = trim_string(item->folder->name, 32);
2273         Xstrdup_a(name, name_, return);
2274         g_free(name_);
2275         message = g_strdup_printf
2276                 (_("Really remove the mailbox `%s' ?\n"
2277                    "(The messages are NOT deleted from the disk)"), name);
2278         avalue = alertpanel(_("Remove mailbox"), message,
2279                             _("Yes"), _("+No"), NULL);
2280         g_free(message);
2281         if (avalue != G_ALERTDEFAULT) return;
2282
2283         folderview_unselect(folderview);
2284         summary_clear_all(folderview->summaryview);
2285
2286         folder_destroy(item->folder);
2287 }
2288
2289 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
2290                                           GtkWidget *widget)
2291 {
2292         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2293         FolderItem *item;
2294         FolderItem *new_item;
2295         gchar *new_folder;
2296         gchar *name, *name_;
2297         gchar *p;
2298
2299         if (!folderview->selected) return;
2300
2301         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2302         g_return_if_fail(item != NULL);
2303         g_return_if_fail(item->folder != NULL);
2304         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2305         g_return_if_fail(item->folder->account != NULL);
2306
2307         new_folder = input_dialog
2308                 (_("New folder"),
2309                  _("Input the name of new folder:\n"
2310                    "(if you want to create a folder to store subfolders,\n"
2311                    " append `/' at the end of the name)"),
2312                  _("NewFolder"));
2313         if (!new_folder) return;
2314
2315         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
2316             *(p + 1) != '\0') {
2317                 alertpanel_error(_("`%c' can't be included in folder name."),
2318                                  G_DIR_SEPARATOR);
2319                 g_free(new_folder);
2320                 return;
2321         }
2322
2323         name_ = trim_string(new_folder, 32);
2324         Xstrdup_a(name, name_, return);
2325         g_free(name_);
2326
2327         /* find whether the directory already exists */
2328         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
2329                 alertpanel_error(_("The folder `%s' already exists."), name);
2330                 g_free(new_folder);
2331                 return;
2332         }
2333
2334         new_item = folder_create_folder(item, new_folder);
2335         if (!new_item) {
2336                 alertpanel_error(_("Can't create the folder `%s'."), name);
2337                 g_free(new_folder);
2338                 return;
2339         }
2340         g_free(new_folder);
2341
2342         folder_write_list();
2343 }
2344
2345 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
2346                                          GtkWidget *widget)
2347 {
2348         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2349         FolderItem *item;
2350         PrefsAccount *account;
2351         gchar *name, *name_;
2352         gchar *message;
2353         AlertValue avalue;
2354
2355         if (!folderview->selected) return;
2356
2357         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2358         g_return_if_fail(item != NULL);
2359         g_return_if_fail(item->folder != NULL);
2360         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2361         g_return_if_fail(item->folder->account != NULL);
2362
2363         name_ = trim_string(item->folder->name, 32);
2364         Xstrdup_a(name, name_, return);
2365         g_free(name_);
2366         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"), name);
2367         avalue = alertpanel(_("Delete IMAP4 account"), message,
2368                             _("Yes"), _("+No"), NULL);
2369         g_free(message);
2370
2371         if (avalue != G_ALERTDEFAULT) return;
2372
2373         if (folderview->opened == folderview->selected ||
2374             gtk_ctree_is_ancestor(ctree,
2375                                   folderview->selected,
2376                                   folderview->opened)) {
2377                 summary_clear_all(folderview->summaryview);
2378                 folderview->opened = NULL;
2379         }
2380
2381         account = item->folder->account;
2382         folder_destroy(item->folder);
2383         account_destroy(account);
2384         gtk_ctree_remove_node(ctree, folderview->selected);
2385         account_set_menu();
2386         main_window_reflect_prefs_all();
2387         folder_write_list();
2388 }
2389
2390 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
2391                                          GtkWidget *widget)
2392 {
2393         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2394         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2395         GtkCTreeNode *servernode, *node;
2396         Folder *folder;
2397         FolderItem *item;
2398         FolderItem *rootitem;
2399         FolderItem *newitem;
2400         GSList *new_subscr;
2401         GSList *cur;
2402         GNode *gnode;
2403
2404         if (!folderview->selected) return;
2405
2406         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2407         g_return_if_fail(item != NULL);
2408         folder = item->folder;
2409         g_return_if_fail(folder != NULL);
2410         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
2411         g_return_if_fail(folder->account != NULL);
2412
2413         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
2414                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
2415         else
2416                 servernode = folderview->selected;
2417
2418         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
2419
2420         new_subscr = grouplist_dialog(folder);
2421
2422         /* remove unsubscribed newsgroups */
2423         for (gnode = folder->node->children; gnode != NULL; ) {
2424                 GNode *next = gnode->next;
2425
2426                 item = FOLDER_ITEM(gnode->data);
2427                 if (g_slist_find_custom(new_subscr, item->path,
2428                                         (GCompareFunc)g_strcasecmp) != NULL) {
2429                         gnode = next;
2430                         continue;
2431                 }
2432
2433                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
2434                 if (!node) {
2435                         gnode = next;
2436                         continue;
2437                 }
2438
2439                 if (folderview->opened == node) {
2440                         summary_clear_all(folderview->summaryview);
2441                         folderview->opened = NULL;
2442                 }
2443
2444                 gtk_ctree_remove_node(ctree, node);
2445                 folder_item_remove(item);
2446
2447                 gnode = next;
2448         }
2449
2450         gtk_clist_freeze(GTK_CLIST(ctree));
2451
2452         /* add subscribed newsgroups */
2453         for (cur = new_subscr; cur != NULL; cur = cur->next) {
2454                 gchar *name = (gchar *)cur->data;
2455
2456                 if (folderview_find_by_name(ctree, servernode, name) != NULL)
2457                         continue;
2458
2459                 text[COL_FOLDER] = name;
2460                 node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
2461                                              FOLDER_SPACING,
2462                                              folderxpm, folderxpmmask,
2463                                              folderopenxpm, folderopenxpmmask,
2464                                              FALSE, FALSE);
2465                 gtk_ctree_expand(ctree, servernode);
2466
2467                 newitem = folder_item_new(folder, name, name);
2468                 folder_item_append(rootitem, newitem);
2469                 gtk_ctree_node_set_row_data(ctree, node, newitem);
2470         }
2471
2472         folderview_sort_folders(folderview, servernode, folder);
2473         gtk_clist_thaw(GTK_CLIST(ctree));
2474
2475         slist_free_strings(new_subscr);
2476         g_slist_free(new_subscr);
2477
2478         folder_write_list();
2479 }
2480
2481 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
2482                                         GtkWidget *widget)
2483 {
2484         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2485         FolderItem *item;
2486         gchar *name, *name_;
2487         gchar *message;
2488         AlertValue avalue;
2489
2490         if (!folderview->selected) return;
2491
2492         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2493         g_return_if_fail(item != NULL);
2494         g_return_if_fail(item->folder != NULL);
2495         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2496         g_return_if_fail(item->folder->account != NULL);
2497
2498         name_ = trim_string(item->path, 32);
2499         Xstrdup_a(name, name_, return);
2500         g_free(name_);
2501         message = g_strdup_printf(_("Really delete newsgroup `%s'?"), name);
2502         avalue = alertpanel(_("Delete newsgroup"), message,
2503                             _("Yes"), _("+No"), NULL);
2504         g_free(message);
2505         if (avalue != G_ALERTDEFAULT) return;
2506
2507         if (folderview->opened == folderview->selected) {
2508                 summary_clear_all(folderview->summaryview);
2509                 folderview->opened = NULL;
2510         }
2511
2512         folder_item_remove(item);
2513         folder_write_list();
2514
2515         prefs_filtering_delete_path(name);
2516 }
2517
2518 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
2519                                          GtkWidget *widget)
2520 {
2521         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2522         FolderItem *item;
2523         PrefsAccount *account;
2524         gchar *name, *name_;
2525         gchar *message;
2526         AlertValue avalue;
2527
2528         if (!folderview->selected) return;
2529
2530         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2531         g_return_if_fail(item != NULL);
2532         g_return_if_fail(item->folder != NULL);
2533         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2534         g_return_if_fail(item->folder->account != NULL);
2535
2536         name_ = trim_string(item->folder->name, 32);
2537         Xstrdup_a(name, name_, return);
2538         g_free(name_);
2539         message = g_strdup_printf(_("Really delete news account `%s'?"), name);
2540         avalue = alertpanel(_("Delete news account"), message,
2541                             _("Yes"), _("+No"), NULL);
2542         g_free(message);
2543
2544         if (avalue != G_ALERTDEFAULT) return;
2545
2546         if (folderview->opened == folderview->selected ||
2547             gtk_ctree_is_ancestor(ctree,
2548                                   folderview->selected,
2549                                   folderview->opened)) {
2550                 summary_clear_all(folderview->summaryview);
2551                 folderview->opened = NULL;
2552         }
2553
2554         account = item->folder->account;
2555         folder_destroy(item->folder);
2556         account_destroy(account);
2557         gtk_ctree_remove_node(ctree, folderview->selected);
2558         account_set_menu();
2559         main_window_reflect_prefs_all();
2560         folder_write_list();
2561 }
2562
2563 static void folderview_search_cb(FolderView *folderview, guint action,
2564                                  GtkWidget *widget)
2565 {
2566         summary_search(folderview->summaryview);
2567 }
2568
2569 static void folderview_property_cb(FolderView *folderview, guint action,
2570                                    GtkWidget *widget)
2571 {
2572         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2573         FolderItem *item;
2574
2575         if (!folderview->selected) return;
2576
2577         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2578         g_return_if_fail(item != NULL);
2579         g_return_if_fail(item->folder != NULL);
2580
2581         if (folder_item_parent(item) == NULL && item->folder->account)
2582                 account_open(item->folder->account);
2583         else {
2584                 prefs_folder_item_open(item);
2585         }
2586 }
2587
2588 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2589 {
2590         GSList *list = NULL;
2591         GSList *done = NULL;
2592         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2593
2594         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2595                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2596                 &&  list->data != node) {
2597                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2598                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2599                 }
2600         }
2601         for (list = done; list != NULL; list = g_slist_next(list)) {
2602                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2603                                                                  list->data);
2604         }
2605         g_slist_free(done);
2606 }
2607
2608 static void folderview_move_to_cb(FolderView *folderview)
2609 {
2610         FolderItem *from_folder = NULL, *to_folder = NULL;
2611
2612         if (folderview->selected)
2613                 from_folder = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree), folderview->selected);
2614         if (!from_folder || FOLDER_TYPE(from_folder->folder) == F_NEWS)
2615                 return;
2616
2617         to_folder = foldersel_folder_sel(from_folder->folder, FOLDER_SEL_MOVE, NULL);
2618
2619         if (!to_folder || FOLDER_TYPE(to_folder->folder) == F_NEWS)
2620                 return;
2621
2622         folderview_move_to(folderview, from_folder, to_folder);
2623 }
2624
2625 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
2626                                FolderItem *to_folder)
2627 {
2628         FolderItem *from_parent = NULL;
2629         FolderItem *new_folder = NULL;
2630         GtkCTreeNode *src_node = NULL;
2631         gchar *buf;
2632         gint status;
2633
2634         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2635         from_parent = folder_item_parent(from_folder);
2636         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2637         STATUSBAR_PUSH(folderview->mainwin, buf);
2638         g_free(buf);
2639         summary_clear_all(folderview->summaryview);
2640         folderview->opened = NULL;
2641         folderview->selected = NULL;
2642         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2643         inc_lock();
2644         main_window_cursor_wait(folderview->mainwin);
2645         statusbar_verbosity_set(TRUE);
2646         folder_item_update_freeze();
2647         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2648                 statusbar_verbosity_set(FALSE);
2649                 main_window_cursor_normal(folderview->mainwin);
2650                 STATUSBAR_POP(folderview->mainwin);
2651                 folder_item_update_thaw();
2652                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2653
2654                 folderview_sort_folders(folderview,
2655                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2656                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
2657                 folderview_select(folderview, new_folder);
2658         } else {
2659                 statusbar_verbosity_set(FALSE);
2660                 main_window_cursor_normal(folderview->mainwin);
2661                 STATUSBAR_POP(folderview->mainwin);
2662                 folder_item_update_thaw();
2663                 switch (status) {
2664                 case F_MOVE_FAILED_DEST_IS_PARENT:
2665                         alertpanel_error(_("Source and destination are the same."));
2666                         break;
2667                 case F_MOVE_FAILED_DEST_IS_CHILD:
2668                         alertpanel_error(_("Can't move a folder to one of its children."));
2669                         break;
2670                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2671                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2672                         break;
2673                 default:
2674                         alertpanel_error(_("Move failed!"));
2675                         break;
2676                 }
2677         }
2678         inc_unlock();
2679         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2680 }
2681
2682 static gint folderview_clist_compare(GtkCList *clist,
2683                                      gconstpointer ptr1, gconstpointer ptr2)
2684 {
2685         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2686         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2687
2688         if (!item1->name)
2689                 return (item2->name != NULL);
2690         if (!item2->name)
2691                 return -1;
2692
2693         return g_strcasecmp(item1->name, item2->name);
2694 }
2695
2696 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2697 {
2698         const FolderItem *item = a;
2699         const gchar *name = b;
2700
2701         if (!item->path) return -1;
2702         return strcmp2(g_basename(item->path), name);
2703 }
2704
2705 static void folderview_processing_cb(FolderView *folderview, guint action,
2706                                      GtkWidget *widget)
2707 {
2708         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2709         FolderItem *item;
2710
2711         if (!folderview->selected) return;
2712
2713         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2714         g_return_if_fail(item != NULL);
2715         g_return_if_fail(item->folder != NULL);
2716
2717         prefs_filtering_open(&item->prefs->processing,
2718                              _("Processing configuration"), NULL, NULL);
2719 }
2720
2721 void folderview_set_target_folder_color(gint color_op)
2722 {
2723         gint firstone = 1;
2724         GList *list;
2725         FolderView *folderview;
2726
2727         for (list = folderview_list; list != NULL; list = list->next) {
2728                 folderview = (FolderView *)list->data;
2729                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2730                 if (firstone) {
2731                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2732                                 folderview->color_op;
2733                         firstone = 0;
2734                 }
2735         }
2736 }
2737
2738 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2739 {
2740         folderview_init(folderview);
2741         folderview_set_all();
2742 }
2743
2744 static void drag_state_stop(FolderView *folderview)
2745 {
2746         if (folderview->drag_timer)
2747                 gtk_timeout_remove(folderview->drag_timer);
2748         folderview->drag_timer = 0;
2749         folderview->drag_node = NULL;
2750 }
2751
2752 static gint folderview_defer_expand(FolderView *folderview)
2753 {
2754         if (folderview->drag_node) {
2755                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2756                 if (folderview->drag_item->collapsed) {
2757                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2758                         folderview->nodes_to_recollapse = g_slist_append
2759                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2760                 }
2761         }
2762         folderview->drag_item  = NULL;
2763         folderview->drag_timer = 0;
2764         return FALSE;
2765 }
2766
2767 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2768 {
2769         /* the idea is that we call drag_state_start() whenever we want expansion to
2770          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2771          * we need to call drag_state_stop() */
2772         drag_state_stop(folderview);
2773         /* request expansion */
2774         if (0 != (folderview->drag_timer = gtk_timeout_add
2775                         (prefs_common.hover_timeout,
2776                          (GtkFunction)folderview_defer_expand,
2777                          folderview))) {
2778                 folderview->drag_node = node;
2779                 folderview->drag_item = item;
2780         }
2781 }
2782
2783 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2784                                   FolderView       *folderview)
2785 {
2786         GdkDragContext *context;
2787
2788         g_return_if_fail(folderview != NULL);
2789         if (folderview->selected == NULL) return;
2790         if (folderview->nodes_to_recollapse)
2791                 g_slist_free(folderview->nodes_to_recollapse);
2792         folderview->nodes_to_recollapse = NULL;
2793         context = gtk_drag_begin(widget, folderview->target_list,
2794                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2795         gtk_drag_set_icon_default(context);
2796 }
2797
2798 static void folderview_drag_data_get(GtkWidget        *widget,
2799                                      GdkDragContext   *drag_context,
2800                                      GtkSelectionData *selection_data,
2801                                      guint             info,
2802                                      guint             time,
2803                                      FolderView       *folderview)
2804 {
2805         FolderItem *item;
2806         GList *cur;
2807         gchar *source=NULL;
2808
2809         for (cur = GTK_CLIST(folderview->ctree)->selection;
2810              cur != NULL; cur = cur->next) {
2811                 item = gtk_ctree_node_get_row_data
2812                         (GTK_CTREE(folderview->ctree),
2813                          GTK_CTREE_NODE(cur->data));
2814                 if (item) {
2815                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2816                         gtk_selection_data_set(selection_data,
2817                                                selection_data->target, 8,
2818                                                source, strlen(source));
2819                         break;
2820                 } else
2821                         return;
2822         }
2823 }
2824
2825 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2826 {
2827         FolderUpdateData *hookdata;
2828         FolderView *folderview;
2829         GtkWidget *ctree;
2830
2831         hookdata = source;
2832         folderview = (FolderView *) userdata;
2833         g_return_val_if_fail(hookdata != NULL, FALSE);
2834         g_return_val_if_fail(folderview != NULL, FALSE);
2835
2836         ctree = folderview->ctree;
2837         g_return_val_if_fail(ctree != NULL, FALSE);
2838
2839         if (hookdata->update_flags & FOLDER_NEW_FOLDERITEM)
2840                 folderview_create_folder_node(folderview, hookdata->item);
2841         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2842                 GtkCTreeNode *node;
2843
2844                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2845                 if (node != NULL)
2846                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2847         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_NEW_FOLDER | FOLDER_DESTROY_FOLDER))
2848                 folderview_set(folderview);
2849
2850         return FALSE;
2851 }
2852
2853 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2854                                           GdkDragContext *context,
2855                                           gint            x,
2856                                           gint            y,
2857                                           guint           time,
2858                                           FolderView     *folderview)
2859 {
2860         gint row, column;
2861         FolderItem *item, *src_item = NULL;
2862         GtkCTreeNode *node = NULL;
2863         gboolean acceptable = FALSE;
2864         gint height = folderview->ctree->allocation.height;
2865         gint total_height = folderview->ctree->requisition.height;
2866         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2867                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2868         gfloat vpos = pos->value;
2869
2870         if (gtk_clist_get_selection_info
2871                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2872                 if (y > height - 24 && height + vpos < total_height)
2873                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2874
2875                 if (y < 24 && y > 0)
2876                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2877
2878                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2879                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2880                 src_item = folderview->summaryview->folder_item;
2881
2882                 if (item && item->folder && item->path &&
2883                     src_item && src_item != item) {
2884                         switch (FOLDER_TYPE(item->folder)) {
2885                         case F_MH:
2886 #if 0
2887                         case F_MBOX:
2888 #endif
2889                         case F_IMAP:
2890                                 acceptable = TRUE;
2891                                 break;
2892                         default:
2893                                 break;
2894                         }
2895                 } else if (item && item->folder && folder_item_get_path(item) &&
2896                            src_item && src_item != item) {
2897                         /* a root folder - acceptable only from folderview */
2898                         if (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP)
2899                                 acceptable = TRUE;
2900                 }
2901
2902         }
2903
2904         if (acceptable || (src_item && src_item == item))
2905                 drag_state_start(folderview, node, item);
2906
2907         if (acceptable) {
2908                 g_signal_handlers_block_by_func
2909                         (G_OBJECT(widget),
2910                          G_CALLBACK(folderview_selected), folderview);
2911                 gtk_ctree_select(GTK_CTREE(widget), node);
2912                 g_signal_handlers_unblock_by_func
2913                         (G_OBJECT(widget),
2914                          G_CALLBACK(folderview_selected), folderview);
2915                 gdk_drag_status(context,
2916                                         (context->actions == GDK_ACTION_COPY ?
2917                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2918         } else {
2919                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2920                 gdk_drag_status(context, 0, time);
2921         }
2922
2923         return acceptable;
2924 }
2925
2926 static void folderview_drag_leave_cb(GtkWidget      *widget,
2927                                      GdkDragContext *context,
2928                                      guint           time,
2929                                      FolderView     *folderview)
2930 {
2931         drag_state_stop(folderview);
2932         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2933 }
2934
2935 static void folderview_drag_received_cb(GtkWidget        *widget,
2936                                         GdkDragContext   *drag_context,
2937                                         gint              x,
2938                                         gint              y,
2939                                         GtkSelectionData *data,
2940                                         guint             info,
2941                                         guint             time,
2942                                         FolderView       *folderview)
2943 {
2944         gint row, column;
2945         FolderItem *item, *src_item;
2946         GtkCTreeNode *node;
2947
2948         drag_state_stop(folderview);
2949         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2950                 /* comes from summaryview */
2951                 if (gtk_clist_get_selection_info
2952                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2953                         return;
2954
2955                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2956                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2957                 src_item = folderview->summaryview->folder_item;
2958
2959                 /* re-check (due to acceptable possibly set for folder moves */
2960                 if (!(item && item->folder && item->path &&
2961                       src_item && src_item != item &&
2962                       (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP))) {
2963                         return;
2964                 }
2965                 if (item && src_item) {
2966                         switch (drag_context->action) {
2967                                 case GDK_ACTION_COPY:
2968                                         summary_copy_selected_to(folderview->summaryview, item);
2969                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2970                                         break;
2971                                 case GDK_ACTION_MOVE:
2972                                 case GDK_ACTION_DEFAULT:
2973                                 default:
2974                         if (FOLDER_TYPE(src_item->folder) != FOLDER_TYPE(item->folder) ||
2975                             (FOLDER_TYPE(item->folder) == F_IMAP &&
2976                              src_item->folder != item->folder))
2977                                 summary_copy_selected_to(folderview->summaryview, item);
2978                         else
2979                                 summary_move_selected_to(folderview->summaryview, item);
2980                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2981                         }
2982                 } else
2983                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2984         } else {
2985                 /* comes from folderview */
2986                 char *source;
2987
2988                 source = data->data + 17;
2989                 if (gtk_clist_get_selection_info
2990                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2991                     || *source == 0) {
2992                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2993                         return;
2994                 }
2995                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2996                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2997                 src_item = folder_find_item_from_identifier(source);
2998
2999                 if (!item || !src_item || src_item->stype != F_NORMAL) {
3000                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3001                         return;
3002                 }
3003
3004                 folderview_move_to(folderview, src_item, item);
3005                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
3006         }
3007         folderview->nodes_to_recollapse = NULL;
3008 }
3009
3010 static void folderview_drag_end_cb(GtkWidget        *widget,
3011                                    GdkDragContext   *drag_context,
3012                                    FolderView       *folderview)
3013 {
3014         drag_state_stop(folderview);
3015         g_slist_free(folderview->nodes_to_recollapse);
3016         folderview->nodes_to_recollapse = NULL;
3017 }