src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  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 "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66 #include "prefs_folder_column.h"
  67 #include "filtering.h"
  68 #include "quicksearch.h"
  69 #include "manual.h"
  70 #include "timing.h"
  71
  72 #define COL_FOLDER_WIDTH        150
  73 #define COL_NUM_WIDTH           32
  74
  75 static GList *folderview_list = NULL;
  76
  77 static GtkStyle *normal_style;
  78 static GtkStyle *normal_color_style;
  79 static GtkStyle *bold_style;
  80 static GtkStyle *bold_color_style;
  81 static GtkStyle *bold_tgtfold_style;
  82
  83 static GdkPixmap *inboxxpm;
  84 static GdkBitmap *inboxxpmmask;
  85 static GdkPixmap *inboxhrmxpm;
  86 static GdkBitmap *inboxhrmxpmmask;
  87 static GdkPixmap *inboxopenxpm;
  88 static GdkBitmap *inboxopenxpmmask;
  89 static GdkPixmap *inboxopenhrmxpm;
  90 static GdkBitmap *inboxopenhrmxpmmask;
  91 static GdkPixmap *outboxxpm;
  92 static GdkBitmap *outboxxpmmask;
  93 static GdkPixmap *outboxhrmxpm;
  94 static GdkBitmap *outboxhrmxpmmask;
  95 static GdkPixmap *outboxopenxpm;
  96 static GdkBitmap *outboxopenxpmmask;
  97 static GdkPixmap *outboxopenhrmxpm;
  98 static GdkBitmap *outboxopenhrmxpmmask;
  99 static GdkPixmap *folderxpm;
 100 static GdkBitmap *folderxpmmask;
 101 static GdkPixmap *folderhrmxpm;
 102 static GdkBitmap *folderhrmxpmmask;
 103 static GdkPixmap *folderopenxpm;
 104 static GdkBitmap *folderopenxpmmask;
 105 static GdkPixmap *folderopenhrmxpm;
 106 static GdkBitmap *folderopenhrmxpmmask;
 107 static GdkPixmap *trashopenxpm;
 108 static GdkBitmap *trashopenxpmmask;
 109 static GdkPixmap *trashopenhrmxpm;
 110 static GdkBitmap *trashopenhrmxpmmask;
 111 static GdkPixmap *trashxpm;
 112 static GdkBitmap *trashxpmmask;
 113 static GdkPixmap *trashhrmxpm;
 114 static GdkBitmap *trashhrmxpmmask;
 115 static GdkPixmap *queuexpm;
 116 static GdkBitmap *queuexpmmask;
 117 static GdkPixmap *queuehrmxpm;
 118 static GdkBitmap *queuehrmxpmmask;
 119 static GdkPixmap *queueopenxpm;
 120 static GdkBitmap *queueopenxpmmask;
 121 static GdkPixmap *queueopenhrmxpm;
 122 static GdkBitmap *queueopenhrmxpmmask;
 123 static GdkPixmap *draftsxpm;
 124 static GdkBitmap *draftsxpmmask;
 125 static GdkPixmap *draftsopenxpm;
 126 static GdkBitmap *draftsopenxpmmask;
 127 static GdkPixmap *noselectxpm;
 128 static GdkBitmap *noselectxpmmask;
 129
 130 static GdkPixmap *m_inboxxpm;
 131 static GdkBitmap *m_inboxxpmmask;
 132 static GdkPixmap *m_inboxhrmxpm;
 133 static GdkBitmap *m_inboxhrmxpmmask;
 134 static GdkPixmap *m_inboxopenxpm;
 135 static GdkBitmap *m_inboxopenxpmmask;
 136 static GdkPixmap *m_inboxopenhrmxpm;
 137 static GdkBitmap *m_inboxopenhrmxpmmask;
 138 static GdkPixmap *m_outboxxpm;
 139 static GdkBitmap *m_outboxxpmmask;
 140 static GdkPixmap *m_outboxhrmxpm;
 141 static GdkBitmap *m_outboxhrmxpmmask;
 142 static GdkPixmap *m_outboxopenxpm;
 143 static GdkBitmap *m_outboxopenxpmmask;
 144 static GdkPixmap *m_outboxopenhrmxpm;
 145 static GdkBitmap *m_outboxopenhrmxpmmask;
 146 static GdkPixmap *m_folderxpm;
 147 static GdkBitmap *m_folderxpmmask;
 148 static GdkPixmap *m_folderhrmxpm;
 149 static GdkBitmap *m_folderhrmxpmmask;
 150 static GdkPixmap *m_folderopenxpm;
 151 static GdkBitmap *m_folderopenxpmmask;
 152 static GdkPixmap *m_folderopenhrmxpm;
 153 static GdkBitmap *m_folderopenhrmxpmmask;
 154 static GdkPixmap *m_trashopenxpm;
 155 static GdkBitmap *m_trashopenxpmmask;
 156 static GdkPixmap *m_trashopenhrmxpm;
 157 static GdkBitmap *m_trashopenhrmxpmmask;
 158 static GdkPixmap *m_trashxpm;
 159 static GdkBitmap *m_trashxpmmask;
 160 static GdkPixmap *m_trashhrmxpm;
 161 static GdkBitmap *m_trashhrmxpmmask;
 162 static GdkPixmap *m_queuexpm;
 163 static GdkBitmap *m_queuexpmmask;
 164 static GdkPixmap *m_queuehrmxpm;
 165 static GdkBitmap *m_queuehrmxpmmask;
 166 static GdkPixmap *m_queueopenxpm;
 167 static GdkBitmap *m_queueopenxpmmask;
 168 static GdkPixmap *m_queueopenhrmxpm;
 169 static GdkBitmap *m_queueopenhrmxpmmask;
 170 static GdkPixmap *m_draftsxpm;
 171 static GdkBitmap *m_draftsxpmmask;
 172 static GdkPixmap *m_draftsopenxpm;
 173 static GdkBitmap *m_draftsopenxpmmask;
 174
 175 static GdkPixmap *newxpm;
 176 static GdkBitmap *newxpmmask;
 177 static GdkPixmap *unreadxpm;
 178 static GdkBitmap *unreadxpmmask;
 179 static GdkPixmap *readxpm;
 180 static GdkBitmap *readxpmmask;
 181
 182
 183 static void folderview_select_node       (FolderView    *folderview,
 184                                           GtkCTreeNode  *node);
 185 static void folderview_set_folders       (FolderView    *folderview);
 186 static void folderview_sort_folders      (FolderView    *folderview,
 187                                           GtkCTreeNode  *root,
 188                                           Folder        *folder);
 189 static void folderview_append_folder     (FolderView    *folderview,
 190                                           Folder        *folder);
 191 static void folderview_update_node       (FolderView    *folderview,
 192                                           GtkCTreeNode  *node);
 193
 194 static gint folderview_clist_compare    (GtkCList       *clist,
 195                                          gconstpointer   ptr1,
 196                                          gconstpointer   ptr2);
 197
 198 /* callback functions */
 199 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 200                                                  GdkEventButton *event,
 201                                                  FolderView     *folderview);
 202 static gboolean folderview_button_released      (GtkWidget      *ctree,
 203                                                  GdkEventButton *event,
 204                                                  FolderView     *folderview);
 205 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 206                                          GdkEventKey    *event,
 207                                          FolderView     *folderview);
 208 static void folderview_selected         (GtkCTree       *ctree,
 209                                          GtkCTreeNode   *row,
 210                                          gint            column,
 211                                          FolderView     *folderview);
 212 static void folderview_tree_expanded    (GtkCTree       *ctree,
 213                                          GtkCTreeNode   *node,
 214                                          FolderView     *folderview);
 215 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 216                                          GtkCTreeNode   *node,
 217                                          FolderView     *folderview);
 218 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 219                                          FolderView     *folderview);
 220 static void folderview_col_resized      (GtkCList       *clist,
 221                                          gint            column,
 222                                          gint            width,
 223                                          FolderView     *folderview);
 224
 225 static void mark_all_read_cb            (FolderView    *folderview,
 226                                          guint           action,
 227                                          GtkWidget      *widget);
 228
 229 static void folderview_empty_trash_cb   (FolderView     *folderview,
 230                                          guint           action,
 231                                          GtkWidget      *widget);
 232
 233 static void folderview_send_queue_cb    (FolderView     *folderview,
 234                                          guint           action,
 235                                          GtkWidget      *widget);
 236
 237 static void folderview_search_cb        (FolderView     *folderview,
 238                                          guint           action,
 239                                          GtkWidget      *widget);
 240
 241 static void folderview_property_cb      (FolderView     *folderview,
 242                                          guint           action,
 243                                          GtkWidget      *widget);
 244
 245 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 246                                           GdkDragContext *context,
 247                                           gint            x,
 248                                           gint            y,
 249                                           guint           time,
 250                                           FolderView     *folderview);
 251 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 252                                           GdkDragContext   *context,
 253                                           guint             time,
 254                                           FolderView       *folderview);
 255 static void folderview_drag_received_cb  (GtkWidget        *widget,
 256                                           GdkDragContext   *drag_context,
 257                                           gint              x,
 258                                           gint              y,
 259                                           GtkSelectionData *data,
 260                                           guint             info,
 261                                           guint             time,
 262                                           FolderView       *folderview);
 263 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 264                                           FolderView       *folderview);
 265 static void folderview_drag_data_get     (GtkWidget        *widget,
 266                                           GdkDragContext   *drag_context,
 267                                           GtkSelectionData *selection_data,
 268                                           guint             info,
 269                                           guint             time,
 270                                           FolderView       *folderview);
 271 static void folderview_drag_end_cb       (GtkWidget        *widget,
 272                                           GdkDragContext   *drag_context,
 273                                           FolderView       *folderview);
 274
 275 void folderview_create_folder_node       (FolderView       *folderview,
 276                                           FolderItem       *item);
 277 gboolean folderview_update_folder        (gpointer          source,
 278                                           gpointer          userdata);
 279 gboolean folderview_update_item_claws    (gpointer          source,
 280                                           gpointer          data);
 281 static void folderview_processing_cb(FolderView *folderview, guint action,
 282                                      GtkWidget *widget);
 283 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 284                                 GdkEventButton *event);
 285
 286 GHashTable *folderview_popups;
 287
 288 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 289 {
 290         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 291         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 292         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 293         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 294 };
 295
 296 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 297         {"/------trashsep",             NULL, NULL, 0, "<Separator>"},
 298         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 299 };
 300
 301 static GtkItemFactoryEntry folder_view_queue_popup_entries[] = {
 302         {"/------queuesep",     NULL, NULL, 0, "<Separator>"},
 303         {N_("/Send _queue..."), NULL, folderview_send_queue_cb, 0, NULL},
 304 };
 305
 306
 307 GtkTargetEntry folderview_drag_types[] =
 308 {
 309         {"sylpheed-claws/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 310         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 311 };
 312
 313 void folderview_initialize(void)
 314 {
 315         FolderViewPopup *fpopup;
 316         guint i, n_entries;
 317         GSList *entries = NULL;
 318
 319         fpopup = g_new0(FolderViewPopup, 1);
 320
 321         n_entries = sizeof(folderview_common_popup_entries) /
 322                 sizeof(folderview_common_popup_entries[0]);
 323         for (i = 0; i < n_entries; i++)
 324                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 325
 326         fpopup->klass = "common";
 327         fpopup->path = "<CommonFolder>";
 328         fpopup->entries = entries;
 329         fpopup->set_sensitivity = NULL;
 330
 331         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 332         g_hash_table_insert(folderview_popups, "common", fpopup);
 333 }
 334
 335 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 336 {
 337         GSList *entries;
 338         GtkItemFactory *factory;
 339         FolderViewPopup *fpopup_common;
 340         GtkWidget *popup;
 341
 342         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 343         gtk_item_factory_set_translate_func(factory, menu_translate,
 344                                             NULL, NULL);
 345
 346         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 347                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 348
 349         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 350         if (fpopup_common != fpopup)
 351                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 352                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 353
 354         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 355         g_signal_connect(G_OBJECT(popup), "selection_done",
 356                          G_CALLBACK(folderview_popup_close),
 357                          folderview);
 358
 359         return factory;
 360 }
 361
 362 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 363 {
 364         FolderView *folderview = data;
 365         FolderViewPopup *fpopup = value;
 366         GtkItemFactory *factory;
 367
 368         factory = create_ifactory(folderview, fpopup);
 369         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 370 }
 371
 372 static void folderview_column_set_titles(FolderView *folderview)
 373 {
 374         GtkWidget *ctree = folderview->ctree;
 375         GtkWidget *label_new;
 376         GtkWidget *label_unread;
 377         GtkWidget *label_total;
 378         GtkWidget *hbox_new;
 379         GtkWidget *hbox_unread;
 380         GtkWidget *hbox_total;
 381         gint *col_pos = folderview->col_pos;
 382
 383         debug_print("setting titles...\n");
 384         gtk_widget_realize(folderview->ctree);
 385         gtk_widget_show_all(folderview->scrolledwin);
 386
 387         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 388          * instead text (text overflows making them unreadable and ugly) */
 389         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 390                          &newxpm, &newxpmmask);
 391         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 392                          &unreadxpm, &unreadxpmmask);
 393         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 394                          &readxpm, &readxpmmask);
 395
 396         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 397         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 398         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 399
 400         gtk_clist_column_titles_active(GTK_CLIST(ctree));
 401
 402         hbox_new = gtk_hbox_new(FALSE, 4);
 403         hbox_unread = gtk_hbox_new(FALSE, 4);
 404         hbox_total = gtk_hbox_new(FALSE, 4);
 405
 406         /* left justified */
 407         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 408         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 409         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 410         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 411         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 412         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 413
 414         gtk_widget_show_all(hbox_new);
 415         gtk_widget_show_all(hbox_unread);
 416         gtk_widget_show_all(hbox_total);
 417
 418         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 419         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 420         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 421
 422         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 423         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 424         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 425 }
 426
 427 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 428 {
 429         FolderView *folderview = (FolderView *)data;
 430         GdkEventButton event;
 431         if (folderview_get_selected_item(folderview) == NULL)
 432                 return FALSE;
 433
 434         event.button = 3;
 435         event.time = gtk_get_current_event_time();
 436
 437         folderview_set_sens_and_popup_menu(folderview, -1,
 438                                 &event);
 439
 440         return TRUE;
 441 }
 442
 443
 444 GtkWidget *folderview_ctree_create(FolderView *folderview)
 445 {
 446         GtkWidget *ctree;
 447         gint *col_pos;
 448         FolderColumnState *col_state;
 449         FolderColumnType type;
 450         gchar *titles[N_FOLDER_COLS];
 451         gint i;
 452         GtkWidget *scrolledwin = folderview->scrolledwin;
 453
 454         debug_print("creating tree...\n");
 455         memset(titles, 0, sizeof(titles));
 456
 457         col_state = prefs_folder_column_get_config();
 458         memset(titles, 0, sizeof(titles));
 459
 460         col_pos = folderview->col_pos;
 461
 462         for (i = 0; i < N_FOLDER_COLS; i++) {
 463                 folderview->col_state[i] = col_state[i];
 464                 type = col_state[i].type;
 465                 col_pos[type] = i;
 466         }
 467
 468         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 469         titles[col_pos[F_COL_NEW]]    = _("New");
 470         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 471         /* TRANSLATORS: This in Number sign in American style */
 472         titles[col_pos[F_COL_TOTAL]]  = _("#");
 473
 474         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 475                                            titles);
 476
 477         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 478         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 479                                            GTK_JUSTIFY_RIGHT);
 480         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 481                                            col_pos[F_COL_UNREAD],
 482                                            GTK_JUSTIFY_RIGHT);
 483         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 484                                            col_pos[F_COL_TOTAL],
 485                                            GTK_JUSTIFY_RIGHT);
 486         if (prefs_common.enable_dotted_lines) {
 487                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 488                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 489                                      GTK_CTREE_EXPANDER_SQUARE);
 490         } else {
 491                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 492                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 493                                      GTK_CTREE_EXPANDER_TRIANGLE);
 494         }
 495
 496         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 497         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 498
 499         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 500         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 501
 502         /* don't let title buttons take key focus */
 503         for (i = 0; i < N_FOLDER_COLS; i++) {
 504                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 505                                        GTK_CAN_FOCUS);
 506                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 507                                    prefs_common.folder_col_size[i]);
 508                 gtk_clist_set_column_visibility
 509                         (GTK_CLIST(ctree), i, col_state[i].visible);
 510         }
 511
 512         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 513                          G_CALLBACK(folderview_key_pressed),
 514                          folderview);
 515         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 516                          G_CALLBACK(folderview_button_pressed),
 517                          folderview);
 518         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 519                          G_CALLBACK(folderview_popup_menu), folderview);
 520         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 521                          G_CALLBACK(folderview_button_released),
 522                          folderview);
 523         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 524                          G_CALLBACK(folderview_selected), folderview);
 525         g_signal_connect(G_OBJECT(ctree), "start_drag",
 526                          G_CALLBACK(folderview_start_drag), folderview);
 527         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 528                          G_CALLBACK(folderview_drag_data_get),
 529                          folderview);
 530
 531         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 532                                G_CALLBACK(folderview_tree_expanded),
 533                                folderview);
 534         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 535                                G_CALLBACK(folderview_tree_collapsed),
 536                                folderview);
 537
 538         g_signal_connect(G_OBJECT(ctree), "resize_column",
 539                          G_CALLBACK(folderview_col_resized),
 540                          folderview);
 541
 542         /* drop callback */
 543         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 544                           folderview_drag_types, 2,
 545                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 546         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 547                          G_CALLBACK(folderview_drag_motion_cb),
 548                          folderview);
 549         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 550                          G_CALLBACK(folderview_drag_leave_cb),
 551                          folderview);
 552         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 553                          G_CALLBACK(folderview_drag_received_cb),
 554                          folderview);
 555         g_signal_connect(G_OBJECT(ctree), "drag_end",
 556                          G_CALLBACK(folderview_drag_end_cb),
 557                          folderview);
 558
 559         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 560
 561         return ctree;
 562 }
 563
 564 void folderview_set_column_order(FolderView *folderview)
 565 {
 566         GtkWidget *ctree;
 567         FolderItem *item = folderview_get_selected_item(folderview);
 568         GtkWidget *scrolledwin = folderview->scrolledwin;
 569
 570         debug_print("recreating tree...\n");
 571         gtk_widget_destroy(folderview->ctree);
 572
 573         folderview->ctree = ctree = folderview_ctree_create(folderview);
 574         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 575                                             GTK_CLIST(ctree)->hadjustment);
 576         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 577                                             GTK_CLIST(ctree)->vadjustment);
 578         gtk_widget_show(ctree);
 579
 580         folderview_set(folderview);
 581         folderview_column_set_titles(folderview);
 582
 583         folderview_select(folderview,item);
 584 }
 585
 586 FolderView *folderview_create(void)
 587 {
 588         FolderView *folderview;
 589         GtkWidget *scrolledwin;
 590         GtkWidget *ctree;
 591
 592         debug_print("Creating folder view...\n");
 593         folderview = g_new0(FolderView, 1);
 594
 595         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 596         gtk_scrolled_window_set_policy
 597                 (GTK_SCROLLED_WINDOW(scrolledwin),
 598                  GTK_POLICY_AUTOMATIC,
 599                  prefs_common.folderview_vscrollbar_policy);
 600         gtk_widget_set_size_request(scrolledwin,
 601                              prefs_common.folderview_width,
 602                              prefs_common.folderview_height);
 603
 604         folderview->scrolledwin  = scrolledwin;
 605         ctree = folderview_ctree_create(folderview);
 606
 607         /* create popup factories */
 608         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 609         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 610
 611         folderview->ctree        = ctree;
 612
 613         folderview->folder_update_callback_id =
 614                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 615         folderview->folder_item_update_callback_id =
 616                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 617
 618         gtk_widget_show_all(scrolledwin);
 619
 620         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 621         folderview_list = g_list_append(folderview_list, folderview);
 622
 623         return folderview;
 624 }
 625
 626 void folderview_init(FolderView *folderview)
 627 {
 628         GtkWidget *ctree = folderview->ctree;
 629         GdkColor gdk_color;
 630
 631         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 632         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 633         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 634         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 635         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 636         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 637         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 638         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 639         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 640         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 641         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 642         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 643         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 644         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 645         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 646         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 647         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 648         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 649         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 650         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 651         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 652         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 653         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 654
 655         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 656         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 657         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 658         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 659         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 660         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 661         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 662         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 663         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 664         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 665         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 666         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 667         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 668         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 669         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 670         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 671         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 672         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 673         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 674         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 675         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 676         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 677
 678         if (!normal_style) {
 679                 PangoFontDescription *font_desc;
 680                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 681                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 682                 if (font_desc) {
 683                         if (normal_style->font_desc)
 684                                 pango_font_description_free
 685                                         (normal_style->font_desc);
 686                         normal_style->font_desc = font_desc;
 687                 }
 688                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 689                 normal_color_style = gtk_style_copy(normal_style);
 690                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 691
 692                 gtk_widget_set_style(ctree, normal_style);
 693         }
 694
 695         if (!bold_style) {
 696                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 697                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 698                 pango_font_description_set_weight
 699                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 700                 bold_color_style = gtk_style_copy(bold_style);
 701                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 702
 703                 bold_tgtfold_style = gtk_style_copy(bold_style);
 704                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 705         }
 706 }
 707
 708 void folderview_set(FolderView *folderview)
 709 {
 710         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 711         MainWindow *mainwin = folderview->mainwin;
 712
 713         if (!mainwin)
 714                 return;
 715
 716         debug_print("Setting folder info...\n");
 717         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 718
 719         main_window_cursor_wait(mainwin);
 720
 721         folderview->selected = NULL;
 722         folderview->opened = NULL;
 723
 724         gtk_clist_freeze(GTK_CLIST(ctree));
 725         gtk_clist_clear(GTK_CLIST(ctree));
 726         gtk_clist_thaw(GTK_CLIST(ctree));
 727         gtk_clist_freeze(GTK_CLIST(ctree));
 728
 729         folderview_set_folders(folderview);
 730
 731         gtk_clist_thaw(GTK_CLIST(ctree));
 732         main_window_cursor_normal(mainwin);
 733         STATUSBAR_POP(mainwin);
 734 }
 735
 736 void folderview_set_all(void)
 737 {
 738         GList *list;
 739
 740         for (list = folderview_list; list != NULL; list = list->next)
 741                 folderview_set((FolderView *)list->data);
 742 }
 743
 744 void folderview_select(FolderView *folderview, FolderItem *item)
 745 {
 746         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 747         GtkCTreeNode *node;
 748         GtkCTreeNode *old_selected = folderview->selected;
 749
 750         if (!item) return;
 751
 752         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 753         if (node) folderview_select_node(folderview, node);
 754
 755         if (old_selected != node)
 756                 folder_update_op_count();
 757 }
 758
 759 static void mark_all_read_cb(FolderView *folderview, guint action,
 760                              GtkWidget *widget)
 761 {
 762         FolderItem *item;
 763         AlertValue val;
 764
 765         item = folderview_get_selected_item(folderview);
 766         if (item == NULL)
 767                 return;
 768
 769         if (folderview->summaryview->folder_item != item
 770         &&  prefs_common.ask_mark_all_read) {
 771                 val = alertpanel_full(_("Mark all as read"),
 772                         _("Do you really want to mark all mails in this "
 773                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 774                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 775
 776                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 777                         return;
 778                 else if (val & G_ALERTDISABLE)
 779                         prefs_common.ask_mark_all_read = FALSE;
 780         }
 781
 782         summary_lock(folderview->summaryview);
 783         folder_item_update_freeze();
 784         if (folderview->summaryview->folder_item == item)
 785                 summary_freeze(folderview->summaryview);
 786         folderutils_mark_all_read(item);
 787         if (folderview->summaryview->folder_item == item)
 788                 summary_thaw(folderview->summaryview);
 789         folder_item_update_thaw();
 790         summary_unlock(folderview->summaryview);
 791 }
 792
 793 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 794 {
 795         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 796
 797         g_return_if_fail(node != NULL);
 798
 799         if (folderview->open_folder) {
 800                 return;
 801         }
 802
 803         folderview->open_folder = TRUE;
 804         gtkut_ctree_set_focus_row(ctree, node);
 805         gtk_ctree_select(ctree, node);
 806         if (folderview->summaryview->folder_item &&
 807             folderview->summaryview->folder_item->total_msgs > 0)
 808                 summary_grab_focus(folderview->summaryview);
 809         else
 810                 gtk_widget_grab_focus(folderview->ctree);
 811
 812         gtkut_ctree_expand_parent_all(ctree, node);
 813 }
 814
 815 void folderview_unselect(FolderView *folderview)
 816 {
 817         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 818                 gtk_ctree_collapse
 819                         (GTK_CTREE(folderview->ctree), folderview->opened);
 820
 821         folderview->selected = folderview->opened = NULL;
 822 }
 823
 824 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 825                                                  GtkCTreeNode *node)
 826 {
 827         FolderItem *item;
 828
 829         if (node)
 830                 node = gtkut_ctree_node_next(ctree, node);
 831         else
 832                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 833
 834         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 835                 item = gtk_ctree_node_get_row_data(ctree, node);
 836                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 837                         return node;
 838         }
 839
 840         return NULL;
 841 }
 842
 843 void folderview_select_next_marked(FolderView *folderview)
 844 {
 845         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 846         GtkCTreeNode *node = NULL;
 847         SelectOnEntry last_sel = prefs_common.select_on_entry;
 848         gboolean last_open = prefs_common.always_show_msg;
 849
 850         prefs_common.select_on_entry = SELECTONENTRY_MNU;
 851         prefs_common.always_show_msg = TRUE;
 852
 853         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 854             != NULL) {
 855                 folderview_select_node(folderview, node);
 856                 goto out;
 857         }
 858
 859         if (!folderview->opened ||
 860             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 861                 goto out;
 862         }
 863         /* search again from the first node */
 864         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 865                 folderview_select_node(folderview, node);
 866
 867 out:
 868         prefs_common.select_on_entry = last_sel;
 869         prefs_common.always_show_msg = last_open;
 870 }
 871
 872 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 873                                                  GtkCTreeNode *node)
 874 {
 875         FolderItem *item;
 876
 877         if (node)
 878                 node = gtkut_ctree_node_next(ctree, node);
 879         else
 880                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 881
 882         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 883                 item = gtk_ctree_node_get_row_data(ctree, node);
 884                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 885                         return node;
 886         }
 887
 888         return NULL;
 889 }
 890
 891 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 892 {
 893         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 894         GtkCTreeNode *node = NULL;
 895         SelectOnEntry last_sel = prefs_common.select_on_entry;
 896         gboolean last_open = prefs_common.always_show_msg;
 897
 898         prefs_common.select_on_entry = SELECTONENTRY_UNM;
 899         prefs_common.always_show_msg = force_open ? TRUE : last_open;
 900
 901         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 902             != NULL) {
 903                 folderview_select_node(folderview, node);
 904                 goto out;
 905         }
 906
 907         if (!folderview->opened ||
 908             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 909                 goto out;
 910         }
 911         /* search again from the first node */
 912         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 913                 folderview_select_node(folderview, node);
 914
 915 out:
 916         prefs_common.select_on_entry = last_sel;
 917         prefs_common.always_show_msg = last_open;
 918 }
 919
 920 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 921                                                  GtkCTreeNode *node)
 922 {
 923         FolderItem *item;
 924
 925         if (node)
 926                 node = gtkut_ctree_node_next(ctree, node);
 927         else
 928                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 929
 930         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 931                 item = gtk_ctree_node_get_row_data(ctree, node);
 932                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 933                         return node;
 934         }
 935
 936         return NULL;
 937 }
 938
 939 void folderview_select_next_new(FolderView *folderview)
 940 {
 941         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 942         GtkCTreeNode *node = NULL;
 943         SelectOnEntry last_sel = prefs_common.select_on_entry;
 944         gboolean last_open = prefs_common.always_show_msg;
 945
 946         prefs_common.select_on_entry = SELECTONENTRY_NUM;
 947         prefs_common.always_show_msg = TRUE;
 948
 949         if ((node = folderview_find_next_new(ctree, folderview->opened))
 950             != NULL) {
 951                 folderview_select_node(folderview, node);
 952                 goto out;
 953         }
 954
 955         if (!folderview->opened ||
 956             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 957                 goto out;
 958         }
 959         /* search again from the first node */
 960         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
 961                 folderview_select_node(folderview, node);
 962
 963 out:
 964         prefs_common.select_on_entry = last_sel;
 965         prefs_common.always_show_msg = last_open;
 966 }
 967
 968 FolderItem *folderview_get_selected_item(FolderView *folderview)
 969 {
 970         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 971
 972         if (!folderview->selected) return NULL;
 973         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 974 }
 975
 976 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 977 {
 978         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 979         static GtkCTreeNode *prev_row = NULL;
 980         FolderItem *item;
 981         gint new, unread, total;
 982         gchar *new_str, *unread_str, *total_str;
 983         gint *col_pos = folderview->col_pos;
 984
 985         if (!row) return;
 986
 987         item = gtk_ctree_node_get_row_data(ctree, row);
 988         if (!item) return;
 989
 990         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_NEW], &new_str);
 991         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_UNREAD], &unread_str);
 992         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_TOTAL], &total_str);
 993         new = atoi(new_str);
 994         unread = atoi(unread_str);
 995         total = atoi(total_str);
 996
 997         prev_row = row;
 998
 999         folderview_update_node(folderview, row);
1000 }
1001
1002 void folderview_append_item(FolderItem *item)
1003 {
1004         GList *list;
1005
1006         g_return_if_fail(item != NULL);
1007         g_return_if_fail(item->folder != NULL);
1008         if (folder_item_parent(item)) return;
1009
1010         for (list = folderview_list; list != NULL; list = list->next) {
1011                 FolderView *folderview = (FolderView *)list->data;
1012                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1013                 GtkCTreeNode *node, *child;
1014                 gint *col_pos = folderview->col_pos;
1015
1016                 node = gtk_ctree_find_by_row_data(ctree, NULL,
1017                                                   folder_item_parent(item));
1018                 if (node) {
1019                         child = gtk_ctree_find_by_row_data(ctree, node, item);
1020                         if (!child) {
1021                                 gchar *text[N_FOLDER_COLS] =
1022                                         {NULL, "0", "0", "0"};
1023
1024                                 gtk_clist_freeze(GTK_CLIST(ctree));
1025
1026                                 text[col_pos[F_COL_FOLDER]] = item->name;
1027                                 child = gtk_sctree_insert_node
1028                                         (ctree, node, NULL, text,
1029                                          FOLDER_SPACING,
1030                                          folderxpm, folderxpmmask,
1031                                          folderopenxpm, folderopenxpmmask,
1032                                          FALSE, FALSE);
1033                                 gtk_ctree_node_set_row_data(ctree, child, item);
1034                                 gtk_ctree_expand(ctree, node);
1035                                 folderview_update_node(folderview, child);
1036                                 folderview_sort_folders(folderview, node,
1037                                                         item->folder);
1038
1039                                 gtk_clist_thaw(GTK_CLIST(ctree));
1040                         }
1041                 }
1042         }
1043 }
1044
1045 static void folderview_set_folders(FolderView *folderview)
1046 {
1047         GList *list;
1048         list = folder_get_list();
1049
1050         for (; list != NULL; list = list->next) {
1051                 folderview_append_folder(folderview, FOLDER(list->data));
1052         }
1053 }
1054
1055 static gchar *get_scan_str(FolderItem *item)
1056 {
1057         if (item->path)
1058                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1059                                       item->folder->name, G_DIR_SEPARATOR,
1060                                       item->path);
1061         else
1062                 return g_strdup_printf(_("Scanning folder %s ..."),
1063                                       item->folder->name);
1064 }
1065 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1066                                       gpointer data)
1067 {
1068         GList *list;
1069         for (list = folderview_list; list != NULL; list = list->next) {
1070                 FolderView *folderview = (FolderView *)list->data;
1071                 MainWindow *mainwin = folderview->mainwin;
1072                 gchar *str = get_scan_str(item);
1073
1074                 STATUSBAR_PUSH(mainwin, str);
1075                 STATUSBAR_POP(mainwin);
1076                 g_free(str);
1077         }
1078 }
1079
1080 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1081 {
1082         GtkWidget *window;
1083
1084         g_return_if_fail(folder != NULL);
1085
1086         if (!folder->klass->scan_tree) return;
1087
1088         if (rebuild &&
1089             alertpanel_full(_("Rebuild folder tree"),
1090                          _("Rebuilding the folder tree will remove "
1091                            "local caches. Do you want to continue?"),
1092                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1093                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1094                 != G_ALERTALTERNATE) {
1095                 return;
1096         }
1097
1098         inc_lock();
1099         if (rebuild)
1100                 window = label_window_create(_("Rebuilding folder tree..."));
1101         else
1102                 window = label_window_create(_("Scanning folder tree..."));
1103
1104         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1105         folder_scan_tree(folder, rebuild);
1106         folder_set_ui_func(folder, NULL, NULL);
1107
1108         folderview_set_all();
1109
1110         gtk_widget_destroy(window);
1111         inc_unlock();
1112 }
1113
1114 /** folderview_check_new()
1115  *  Scan and update the folder and return the
1116  *  count the number of new messages since last check.
1117  *  \param folder the folder to check for new messages
1118  *  \return the number of new messages since last check
1119  */
1120 gint folderview_check_new(Folder *folder)
1121 {
1122         GList *list;
1123         FolderItem *item;
1124         FolderView *folderview;
1125         GtkCTree *ctree;
1126         GtkCTreeNode *node;
1127         gint new_msgs = 0;
1128         gint former_new_msgs = 0;
1129         gint former_new = 0, former_unread = 0, former_total;
1130
1131         for (list = folderview_list; list != NULL; list = list->next) {
1132                 folderview = (FolderView *)list->data;
1133                 ctree = GTK_CTREE(folderview->ctree);
1134
1135                 inc_lock();
1136                 main_window_lock(folderview->mainwin);
1137
1138                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1139                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1140                         gchar *str = NULL;
1141                         item = gtk_ctree_node_get_row_data(ctree, node);
1142                         if (!item || !item->path || !item->folder) continue;
1143                         if (item->no_select) continue;
1144                         if (folder && folder != item->folder) continue;
1145                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1146                         if (!item->prefs->newmailcheck) continue;
1147                         if (item->processing_pending == TRUE) {
1148                                 debug_print("skipping %s, processing pending\n",
1149                                         item->path ? item->path : item->name);
1150                                 continue;
1151                         }
1152
1153                         str = get_scan_str(item);
1154
1155                         STATUSBAR_PUSH(folderview->mainwin, str);
1156                         GTK_EVENTS_FLUSH();
1157                         g_free(str);
1158
1159                         folderview_scan_tree_func(item->folder, item, NULL);
1160                         former_new    = item->new_msgs;
1161                         former_unread = item->unread_msgs;
1162                         former_total  = item->total_msgs;
1163
1164                         if (item->folder->klass->scan_required &&
1165                             (item->folder->klass->scan_required(item->folder, item) ||
1166                              item->folder->inbox == item ||
1167                              item->opened == TRUE ||
1168                              item->processing_pending == TRUE)) {
1169                                 if (folder_item_scan(item) < 0) {
1170                                         summaryview_unlock(folderview->summaryview, item);
1171                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1172                                                 STATUSBAR_POP(folderview->mainwin);
1173                                                 break;
1174                                         }
1175                                 }
1176                         } else if (!item->folder->klass->scan_required) {
1177                                 if (folder_item_scan(item) < 0) {
1178                                         summaryview_unlock(folderview->summaryview, item);
1179                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1180                                                 STATUSBAR_POP(folderview->mainwin);
1181                                                 break;
1182                                         }
1183                                 }
1184                         }
1185                         if (former_new    != item->new_msgs ||
1186                             former_unread != item->unread_msgs ||
1187                             former_total  != item->total_msgs)
1188                                 folderview_update_node(folderview, node);
1189
1190                         new_msgs += item->new_msgs;
1191                         former_new_msgs += former_new;
1192                         STATUSBAR_POP(folderview->mainwin);
1193                 }
1194
1195                 main_window_unlock(folderview->mainwin);
1196                 inc_unlock();
1197         }
1198
1199         folder_write_list();
1200         /* Number of new messages since last check is the just the difference
1201          * between former_new_msgs and new_msgs. If new_msgs is less than
1202          * former_new_msgs, that would mean another session accessed the folder
1203          * and the result is not well defined.
1204          */
1205         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1206         return new_msgs;
1207 }
1208
1209 void folderview_check_new_all(void)
1210 {
1211         GList *list;
1212         GtkWidget *window;
1213         FolderView *folderview;
1214
1215         folderview = (FolderView *)folderview_list->data;
1216
1217         inc_lock();
1218         main_window_lock(folderview->mainwin);
1219         window = label_window_create
1220                 (_("Checking for new messages in all folders..."));
1221
1222         list = folder_get_list();
1223         for (; list != NULL; list = list->next) {
1224                 Folder *folder = list->data;
1225
1226                 folderview_check_new(folder);
1227         }
1228
1229         folder_write_list();
1230         folderview_set_all();
1231
1232         gtk_widget_destroy(window);
1233         main_window_unlock(folderview->mainwin);
1234         inc_unlock();
1235 }
1236
1237 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1238                                                  FolderItem *item,
1239                                                  gboolean in_sub)
1240 {
1241         GNode *node = NULL;
1242
1243         if (!item || !item->folder || !item->folder->node)
1244                 return FALSE;
1245
1246         node = item->folder->node;
1247
1248         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1249         node = node->children;
1250
1251         if (in_sub &&
1252             (item->new_msgs > 0 ||
1253             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1254                 return TRUE;
1255         }
1256
1257         while (node != NULL) {
1258                 if (node && node->data) {
1259                         FolderItem *next_item = (FolderItem*) node->data;
1260                         node = node->next;
1261                         if (folderview_have_new_children_sub(folderview,
1262                                                              next_item, TRUE))
1263                                 return TRUE;
1264                 }
1265         }
1266
1267         return FALSE;
1268 }
1269
1270 static gboolean folderview_have_new_children(FolderView *folderview,
1271                                              FolderItem *item)
1272 {
1273         return folderview_have_new_children_sub(folderview, item, FALSE);
1274 }
1275
1276 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1277                                                     FolderItem *item,
1278                                                     gboolean in_sub)
1279 {
1280         GNode *node = NULL;
1281
1282         if (!item || !item->folder || !item->folder->node)
1283                 return FALSE;
1284
1285         node = item->folder->node;
1286
1287         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1288         node = node->children;
1289
1290         if (in_sub &&
1291             (item->unread_msgs > 0 ||
1292             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1293                 return TRUE;
1294         }
1295
1296         while (node != NULL) {
1297                 if (node && node->data) {
1298                         FolderItem *next_item = (FolderItem*) node->data;
1299                         node = node->next;
1300                         if (folderview_have_unread_children_sub(folderview,
1301                                                                 next_item,
1302                                                                 TRUE))
1303                                 return TRUE;
1304                 }
1305         }
1306
1307         return FALSE;
1308 }
1309
1310 static gboolean folderview_have_unread_children(FolderView *folderview,
1311                                                 FolderItem *item)
1312 {
1313         return folderview_have_unread_children_sub(folderview, item, FALSE);
1314 }
1315
1316 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1317                                                       FolderItem *item,
1318                                                       gboolean in_sub)
1319 {
1320         GNode *node = NULL;
1321
1322         if (!item || !item->folder || !item->folder->node)
1323                 return FALSE;
1324
1325         node = item->folder->node;
1326
1327         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1328         node = node->children;
1329
1330         if (in_sub && item->search_match){
1331                 return TRUE;
1332         }
1333
1334         while (node != NULL) {
1335                 if (node && node->data) {
1336                         FolderItem *next_item = (FolderItem*) node->data;
1337                         node = node->next;
1338                         if (folderview_have_matching_children_sub(folderview,
1339                                                                   next_item,
1340                                                                   TRUE))
1341                                 return TRUE;
1342                 }
1343         }
1344
1345         return FALSE;
1346 }
1347
1348 static gboolean folderview_have_matching_children(FolderView *folderview,
1349                                                   FolderItem *item)
1350 {
1351         return folderview_have_matching_children_sub(folderview, item, FALSE);
1352 }
1353
1354 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1355                                                     FolderItem *item,
1356                                                     gboolean in_sub)
1357 {
1358         GNode *node = NULL;
1359
1360         if (!item || !item->folder || !item->folder->node)
1361                 return FALSE;
1362
1363         node = item->folder->node;
1364
1365         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1366         node = node->children;
1367
1368         if (item->marked_msgs != 0) {
1369                 return TRUE;
1370         }
1371
1372         while (node != NULL) {
1373                 if (node && node->data) {
1374                         FolderItem *next_item = (FolderItem*) node->data;
1375                         node = node->next;
1376                         if (folderview_have_marked_children_sub(folderview,
1377                                                                 next_item, TRUE))
1378                                 return TRUE;
1379                 }
1380         }
1381
1382         return FALSE;
1383 }
1384
1385 static gboolean folderview_have_marked_children(FolderView *folderview,
1386                                              FolderItem *item)
1387 {
1388         return folderview_have_marked_children_sub(folderview, item, FALSE);
1389 }
1390
1391 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1392 {
1393         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1394         GtkStyle *style = NULL;
1395         GtkStyle *color_style = NULL;
1396         FolderItem *item;
1397         GdkPixmap *xpm, *openxpm;
1398         GdkBitmap *mask, *openmask;
1399         static GdkPixmap *searchicon;
1400         static GdkBitmap *searchmask;
1401         gboolean mark = FALSE;
1402         gchar *name;
1403         gchar *str;
1404         gboolean add_unread_mark;
1405         gboolean add_sub_match_mark;
1406         gboolean use_bold, use_color;
1407         gint *col_pos = folderview->col_pos;
1408         SpecialFolderItemType stype;
1409
1410         item = gtk_ctree_node_get_row_data(ctree, node);
1411         g_return_if_fail(item != NULL);
1412
1413         if (!GTK_CTREE_ROW(node)->expanded)
1414                 mark = folderview_have_marked_children(folderview, item);
1415         else
1416                 mark = (item->marked_msgs != 0);
1417
1418         stype = item->stype;
1419         if (stype == F_NORMAL) {
1420                 if (folder_has_parent_of_type(item, F_TRASH))
1421                         stype = F_TRASH;
1422                 else if (folder_has_parent_of_type(item, F_DRAFT))
1423                         stype = F_DRAFT;
1424                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1425                         stype = F_OUTBOX;
1426                 else if (folder_has_parent_of_type(item, F_QUEUE))
1427                         stype = F_QUEUE;
1428         }
1429         switch (stype) {
1430         case F_INBOX:
1431                 if (item->hide_read_msgs) {
1432                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1433                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1434                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1435                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1436                 } else {
1437                         xpm = mark?m_inboxxpm:inboxxpm;
1438                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1439                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1440                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1441                 }
1442                 break;
1443         case F_OUTBOX:
1444                 if (item->hide_read_msgs) {
1445                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1446                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1447                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1448                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1449                 } else {
1450                         xpm = mark?m_outboxxpm:outboxxpm;
1451                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1452                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1453                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1454                 }
1455                 break;
1456         case F_QUEUE:
1457                 if (item->hide_read_msgs) {
1458                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1459                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1460                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1461                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1462                 } else {
1463                         xpm = mark?m_queuexpm:queuexpm;
1464                         mask = mark?m_queuexpmmask:queuexpmmask;
1465                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1466                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1467                 }
1468                 break;
1469         case F_TRASH:
1470                 if (item->hide_read_msgs) {
1471                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1472                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1473                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1474                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1475                 } else {
1476                         xpm = mark?m_trashxpm:trashxpm;
1477                         mask = mark?m_trashxpmmask:trashxpmmask;
1478                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1479                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1480                 }
1481                 break;
1482         case F_DRAFT:
1483                 xpm = mark?m_draftsxpm:draftsxpm;
1484                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1485                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1486                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1487                 break;
1488         default:
1489                 if (item->hide_read_msgs) {
1490                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1491                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1492                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1493                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1494                 } else {
1495                         xpm = mark?m_folderxpm:folderxpm;
1496                         mask = mark?m_folderxpmmask:folderxpmmask;
1497                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1498                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1499                 }
1500         }
1501
1502         if (item->no_select) {
1503                 xpm = openxpm = noselectxpm;
1504                 mask = openmask = noselectxpmmask;
1505         }
1506
1507         name = folder_item_get_name(item);
1508
1509         if (!GTK_CTREE_ROW(node)->expanded) {
1510                 add_unread_mark = folderview_have_unread_children(
1511                                         folderview, item);
1512                 add_sub_match_mark = folderview_have_matching_children(
1513                                         folderview, item);
1514         } else {
1515                 add_unread_mark = FALSE;
1516                 add_sub_match_mark = FALSE;
1517         }
1518
1519         if (item->search_match) {
1520                 if (!searchicon) {
1521                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1522                          &searchicon, &searchmask);
1523                 }
1524                 xpm = openxpm = searchicon;
1525                 mask = openmask = searchmask;
1526         }
1527
1528         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0 &&
1529             prefs_common.display_folder_unread) {
1530                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1531                                       add_unread_mark ? "+" : "");
1532                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1533                                         xpm, mask, openxpm, openmask,
1534                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1535                 g_free(str);
1536         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1537                     prefs_common.display_folder_unread)
1538                    || add_sub_match_mark) {
1539
1540                 if (item->unread_msgs > 0)
1541                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1542                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1543                                               item->unreadmarked_msgs > 0 ? "!":"");
1544                 else
1545                         str = g_strdup_printf("%s (+)", name);
1546                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1547                                         xpm, mask, openxpm, openmask,
1548                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1549                 g_free(str);
1550         } else {
1551                 str = g_strdup_printf("%s%s", name,
1552                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1553
1554                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1555                                         xpm, mask, openxpm, openmask,
1556                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1557                 g_free(str);
1558         }
1559         g_free(name);
1560
1561         if (!folder_item_parent(item)) {
1562                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1563                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1564                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1565         } else {
1566                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    itos(item->new_msgs));
1567                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], itos(item->unread_msgs));
1568                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  itos(item->total_msgs));
1569         }
1570
1571         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1572             folder_has_parent_of_type(item, F_DRAFT) ||
1573             folder_has_parent_of_type(item, F_TRASH)) {
1574                 use_bold = use_color = FALSE;
1575         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1576                 /* highlight queue folder if there are any messages */
1577                 use_bold = use_color = (item->total_msgs > 0);
1578         } else {
1579                 /* if unread messages exist, print with bold font */
1580                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1581                                 || add_unread_mark;
1582                 /* if new messages exist, print with colored letter */
1583                 use_color =
1584                         (item->new_msgs > 0) ||
1585                         (add_unread_mark &&
1586                          folderview_have_new_children(folderview, item));
1587         }
1588
1589         gtk_ctree_node_set_foreground(ctree, node, NULL);
1590
1591         if (use_bold) {
1592                 GdkColor gdk_color;
1593
1594                 if (item->prefs->color > 0 && !use_color) {
1595                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1596                         color_style = gtk_style_copy(bold_style);
1597                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1598                         style = color_style;
1599                 } else if (use_color) {
1600                         style = bold_color_style;
1601                 } else
1602                         style = bold_style;
1603                 if (item->op_count > 0) {
1604                         style = bold_tgtfold_style;
1605                 }
1606         } else if (use_color) {
1607                 style = normal_color_style;
1608                 gtk_ctree_node_set_foreground(ctree, node,
1609                                               &folderview->color_new);
1610         } else if (item->op_count > 0) {
1611                 style = bold_tgtfold_style;
1612         } else if (item->prefs->color > 0) {
1613                 GdkColor gdk_color;
1614                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1615                 color_style = gtk_style_copy(normal_style);
1616                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1617                 style = color_style;
1618         } else {
1619                 style = normal_style;
1620         }
1621
1622         gtk_ctree_node_set_row_style(ctree, node, style);
1623
1624         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1625                 folderview_update_node(folderview, node);
1626 }
1627
1628 #if !CLAWS /* keep it here for syncs */
1629 void folderview_update_item(FolderItem *item, gboolean update_summary)
1630 {
1631         GList *list;
1632         FolderView *folderview;
1633         GtkCTree *ctree;
1634         GtkCTreeNode *node;
1635
1636         g_return_if_fail(item != NULL);
1637
1638         for (list = folderview_list; list != NULL; list = list->next) {
1639                 folderview = (FolderView *)list->data;
1640                 ctree = GTK_CTREE(folderview->ctree);
1641
1642                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1643                 if (node) {
1644                         folderview_update_node(folderview, node);
1645                         if (update_summary && folderview->opened == node)
1646                                 summary_show(folderview->summaryview,
1647                                              item, FALSE);
1648                 }
1649         }
1650 }
1651 #endif
1652
1653 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1654 {
1655         GList *list;
1656         FolderView *folderview;
1657         GtkCTree *ctree;
1658         GtkCTreeNode *node;
1659
1660         g_return_if_fail(item != NULL);
1661
1662         for (list = folderview_list; list != NULL; list = list->next) {
1663                 folderview = (FolderView *)list->data;
1664                 ctree = GTK_CTREE(folderview->ctree);
1665
1666                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1667                 if (node) {
1668                         item->search_match = matches;
1669                         folderview_update_node(folderview, node);
1670                 }
1671         }
1672 }
1673
1674 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1675 {
1676         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1677         FolderView *folderview = (FolderView *)data;
1678         GtkCTree *ctree;
1679         GtkCTreeNode *node;
1680         g_return_val_if_fail(update_info != NULL, TRUE);
1681         g_return_val_if_fail(update_info->item != NULL, TRUE);
1682         g_return_val_if_fail(folderview != NULL, FALSE);
1683
1684         ctree = GTK_CTREE(folderview->ctree);
1685
1686         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1687         if (node) {
1688                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1689                         folderview_update_node(folderview, node);
1690                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1691                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1692                                 summary_show(folderview->summaryview, update_info->item);
1693         }
1694
1695         return FALSE;
1696 }
1697
1698 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1699                                                 gpointer data)
1700 {
1701         /* CLAWS: share this joy with other hook functions ... */
1702         folder_item_update((FolderItem *)key,
1703                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1704 }
1705
1706 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1707 {
1708         GList *list;
1709         FolderItemUpdateFlags flags;
1710
1711         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1712                 : 0;
1713         for (list = folderview_list; list != NULL; list = list->next)
1714                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1715                                      GINT_TO_POINTER(flags));
1716 }
1717
1718 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1719                                       GNode *gnode, GtkCTreeNode *cnode,
1720                                       gpointer data)
1721 {
1722         FolderView *folderview = (FolderView *)data;
1723         FolderItem *item = FOLDER_ITEM(gnode->data);
1724
1725         g_return_val_if_fail(item != NULL, FALSE);
1726
1727         gtk_ctree_node_set_row_data(ctree, cnode, item);
1728         folderview_update_node(folderview, cnode);
1729
1730         return TRUE;
1731 }
1732
1733 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1734                                    gpointer data)
1735 {
1736         FolderView *folderview = (FolderView *)data;
1737         FolderItem *item;
1738
1739         if (GTK_CTREE_ROW(node)->children) {
1740                 item = gtk_ctree_node_get_row_data(ctree, node);
1741                 g_return_if_fail(item != NULL);
1742
1743                 if (!item->collapsed)
1744                         gtk_ctree_expand(ctree, node);
1745                 else
1746                         folderview_update_node(folderview, node);
1747         }
1748 }
1749
1750 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1751                                GtkCTreeNode *root, GtkCTreeNode **prev)
1752 {
1753         if (item) {
1754                 GtkCTreeNode *node, *parent, *sibling;
1755
1756                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1757                 if (!node)
1758                         g_warning("%s not found.\n", item->path);
1759                 else {
1760                         parent = GTK_CTREE_ROW(node)->parent;
1761                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1762                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1763                         else
1764                                 sibling = GTK_CTREE_ROW(parent)->children;
1765                         while (sibling) {
1766                                 FolderItem *tmp;
1767
1768                                 tmp = gtk_ctree_node_get_row_data
1769                                         (ctree, sibling);
1770                                 if (tmp->stype != F_NORMAL)
1771                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1772                                 else
1773                                         break;
1774                         }
1775                         if (node != sibling)
1776                                 gtk_ctree_move(ctree, node, parent, sibling);
1777                 }
1778
1779                 *prev = node;
1780         }
1781 }
1782
1783 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1784                                     Folder *folder)
1785 {
1786         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1787         GtkCTreeNode *prev = NULL;
1788
1789         gtk_clist_freeze(GTK_CLIST(ctree));
1790         gtk_sctree_sort_recursive(ctree, root);
1791         if (root && GTK_CTREE_ROW(root)->parent) {
1792                 gtk_clist_thaw(GTK_CLIST(ctree));
1793                 return;
1794         }
1795         set_special_folder(ctree, folder->inbox, root, &prev);
1796         set_special_folder(ctree, folder->outbox, root, &prev);
1797         set_special_folder(ctree, folder->draft, root, &prev);
1798         set_special_folder(ctree, folder->queue, root, &prev);
1799         set_special_folder(ctree, folder->trash, root, &prev);
1800         gtk_clist_thaw(GTK_CLIST(ctree));
1801 }
1802
1803 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1804 {
1805         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1806         GtkCTreeNode *root;
1807
1808         g_return_if_fail(folder != NULL);
1809
1810         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1811                                       folderview_gnode_func, folderview);
1812         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1813                                 folderview);
1814         folderview_sort_folders(folderview, root, folder);
1815 }
1816
1817 /* callback functions */
1818 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1819                                 GdkEventButton *event)
1820 {
1821         GtkCList *clist = GTK_CLIST(folderview->ctree);
1822         FolderItem *item;
1823         Folder *folder;
1824         FolderViewPopup *fpopup;
1825         GtkItemFactory *fpopup_factory;
1826         GtkWidget *popup;
1827         FolderItem *special_trash = NULL, *special_queue = NULL;
1828         PrefsAccount *ac;
1829
1830         if (row > 0)
1831                 item = gtk_clist_get_row_data(clist, row);
1832         else
1833                 item = folderview_get_selected_item(folderview);
1834
1835         g_return_if_fail(item != NULL);
1836         g_return_if_fail(item->folder != NULL);
1837         folder = item->folder;
1838
1839         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1840         if (fpopup != NULL)
1841                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1842         else {
1843                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1844                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1845         }
1846
1847         if (fpopup->set_sensitivity != NULL)
1848                 fpopup->set_sensitivity(fpopup_factory, item);
1849
1850         if (NULL != (ac = account_find_from_item(item))) {
1851                 special_trash = account_get_special_folder(ac, F_TRASH);
1852                 special_queue = account_get_special_folder(ac, F_QUEUE);
1853         }
1854
1855         if ((item == folder->trash || item == special_trash
1856              || folder_has_parent_of_type(item, F_TRASH)) &&
1857             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1858                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1859                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1860         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1861                 && !folder_has_parent_of_type(item, F_TRASH)) {
1862                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1863                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1864         }
1865
1866         if ((item == folder->queue || item == special_queue
1867              || folder_has_parent_of_type(item, F_QUEUE)) &&
1868             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1869                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1870                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1871         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1872                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1873                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1874                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1875         }
1876
1877 #define SET_SENS(name, sens) \
1878         menu_set_sensitive(fpopup_factory, name, sens)
1879
1880         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1881         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1882                  folderview->selected == folderview->opened);
1883         SET_SENS("/Properties...", TRUE);
1884         SET_SENS("/Processing...", item->node->parent != NULL);
1885         if (item == folder->trash || item == special_trash
1886             || folder_has_parent_of_type(item, F_TRASH)) {
1887                 GSList *msglist = folder_item_get_msg_list(item);
1888                 SET_SENS("/Empty trash...", msglist != NULL);
1889                 procmsg_msg_list_free(msglist);
1890         }
1891         if (item == folder->queue || item == special_queue
1892             || folder_has_parent_of_type(item, F_QUEUE)) {
1893                 GSList *msglist = folder_item_get_msg_list(item);
1894                 SET_SENS("/Send queue...", msglist != NULL);
1895                 procmsg_msg_list_free(msglist);
1896         }
1897 #undef SET_SENS
1898
1899         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1900         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1901                        event->button, event->time);
1902
1903
1904 }
1905
1906 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1907                                           FolderView *folderview)
1908 {
1909         GtkCList *clist = GTK_CLIST(ctree);
1910         gint prev_row = -1, row = -1, column = -1;
1911
1912         if (!event) return FALSE;
1913
1914         if (event->button == 1 || event->button == 2) {
1915                 if (!gtk_ctree_is_hot_spot (GTK_CTREE(clist), event->x, event->y))
1916                         folderview->open_folder = TRUE;
1917
1918                 if (event->type == GDK_2BUTTON_PRESS) {
1919                         if (clist->selection) {
1920                                 GtkCTreeNode *node;
1921
1922                                 node = GTK_CTREE_NODE(clist->selection->data);
1923                                 if (node) {
1924                                         gtk_ctree_toggle_expansion(
1925                                                 GTK_CTREE(ctree),
1926                                                 node);
1927                                         folderview->open_folder = FALSE;
1928                                 }
1929                         }
1930                 }
1931                 return FALSE;
1932         }
1933
1934         if (event->button == 2 || event->button == 3) {
1935                 /* right clicked */
1936                 if (clist->selection) {
1937                         GtkCTreeNode *node;
1938
1939                         node = GTK_CTREE_NODE(clist->selection->data);
1940                         if (node)
1941                                 prev_row = gtkut_ctree_get_nth_from_node
1942                                         (GTK_CTREE(ctree), node);
1943                 }
1944
1945                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1946                                                   &row, &column))
1947                         return FALSE;
1948                 if (prev_row != row) {
1949                         gtk_clist_unselect_all(clist);
1950                         if (event->button == 2)
1951                                 folderview_select_node
1952                                         (folderview,
1953                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1954                                                             row));
1955                         else
1956                                 gtk_clist_select_row(clist, row, column);
1957                 }
1958         }
1959
1960         if (event->button != 3) return FALSE;
1961
1962         folderview_set_sens_and_popup_menu(folderview, row, event);
1963         return FALSE;
1964 }
1965
1966 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1967                                            FolderView *folderview)
1968 {
1969         if (!event) return FALSE;
1970
1971         if (event->button == 1 && folderview->open_folder == FALSE &&
1972             folderview->opened != NULL) {
1973                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1974                                           folderview->opened);
1975                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1976         }
1977
1978         return FALSE;
1979 }
1980
1981 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1982                                        FolderView *folderview)
1983 {
1984         if (!event) return FALSE;
1985
1986         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1987                 return FALSE;
1988
1989         switch (event->keyval) {
1990         case GDK_Return:
1991                 if (folderview->selected) {
1992                         folderview_select_node(folderview,
1993                                                folderview->selected);
1994                 }
1995                 break;
1996         case GDK_space:
1997                 if (folderview->selected) {
1998                         if (folderview->opened == folderview->selected &&
1999                             (!folderview->summaryview->folder_item ||
2000                              folderview->summaryview->folder_item->total_msgs == 0))
2001                                 folderview_select_next_unread(folderview, TRUE);
2002                         else
2003                                 folderview_select_node(folderview,
2004                                                        folderview->selected);
2005                 }
2006                 break;
2007         default:
2008                 break;
2009         }
2010
2011         return FALSE;
2012 }
2013
2014 typedef struct _PostponedSelectData
2015 {
2016         GtkCTree *ctree;
2017         GtkCTreeNode *row;
2018         gint column;
2019         FolderView *folderview;
2020 } PostponedSelectData;
2021
2022 static gboolean postpone_select(void *data)
2023 {
2024         PostponedSelectData *psdata = (PostponedSelectData *)data;
2025         debug_print("trying again\n");
2026         psdata->folderview->open_folder = TRUE;
2027         main_window_cursor_normal(psdata->folderview->mainwin);
2028         STATUSBAR_POP(psdata->folderview->mainwin);
2029         folderview_selected(psdata->ctree, psdata->row,
2030                             psdata->column, psdata->folderview);
2031         g_free(psdata);
2032         return FALSE;
2033 }
2034
2035 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2036                                 gint column, FolderView *folderview)
2037 {
2038         static gboolean can_select = TRUE;      /* exclusive lock */
2039         gboolean opened;
2040         FolderItem *item;
2041         gchar *buf;
2042         int res = 0;
2043         START_TIMING("");
2044         folderview->selected = row;
2045
2046         if (folderview->opened == row) {
2047                 folderview->open_folder = FALSE;
2048                 END_TIMING();
2049                 return;
2050         }
2051
2052         if (!can_select || summary_is_locked(folderview->summaryview)) {
2053                 if (folderview->opened) {
2054                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2055                         gtk_ctree_select(ctree, folderview->opened);
2056                 }
2057                 END_TIMING();
2058                 return;
2059         }
2060
2061         if (!folderview->open_folder) {
2062                 END_TIMING();
2063                 return;
2064         }
2065         item = gtk_ctree_node_get_row_data(ctree, row);
2066         if (!item || item->no_select) {
2067                 END_TIMING();
2068                 folderview->open_folder = FALSE;
2069                 return;
2070         }
2071
2072         can_select = FALSE;
2073
2074         /* Save cache for old folder */
2075         /* We don't want to lose all caches if sylpheed crashed */
2076         if (folderview->opened) {
2077                 FolderItem *olditem;
2078
2079                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
2080                 if (olditem) {
2081                         buf = g_strdup_printf(_("Closing Folder %s..."),
2082                                 olditem->path ? olditem->path:olditem->name);
2083                         /* will be null if we just moved the previously opened folder */
2084                         STATUSBAR_PUSH(folderview->mainwin, buf);
2085                         main_window_cursor_wait(folderview->mainwin);
2086                         g_free(buf);
2087                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2088                         summary_show(folderview->summaryview, NULL);
2089                         folder_item_close(olditem);
2090                         main_window_cursor_normal(folderview->mainwin);
2091                         STATUSBAR_POP(folderview->mainwin);
2092                 }
2093         }
2094
2095         /* CLAWS: set compose button type: news folder items
2096          * always have a news folder as parent */
2097         if (item->folder)
2098                 toolbar_set_compose_button
2099                         (folderview->mainwin->toolbar,
2100                          FOLDER_TYPE(item->folder) == F_NEWS ?
2101                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2102
2103         if (item->path)
2104                 debug_print("Folder %s is selected\n", item->path);
2105
2106         if (!GTK_CTREE_ROW(row)->children)
2107                 gtk_ctree_expand(ctree, row);
2108         if (folderview->opened &&
2109             !GTK_CTREE_ROW(folderview->opened)->children)
2110                 gtk_ctree_collapse(ctree, folderview->opened);
2111
2112         /* ungrab the mouse event */
2113         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2114                 gtk_grab_remove(GTK_WIDGET(ctree));
2115                 if (gdk_pointer_is_grabbed())
2116                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2117         }
2118
2119         /* Open Folder */
2120         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2121                                         item->path : "(null)");
2122         debug_print("%s\n", buf);
2123         STATUSBAR_PUSH(folderview->mainwin, buf);
2124         g_free(buf);
2125
2126         main_window_cursor_wait(folderview->mainwin);
2127
2128         res = folder_item_open(item);
2129         if (res == -1) {
2130                 main_window_cursor_normal(folderview->mainwin);
2131                 STATUSBAR_POP(folderview->mainwin);
2132
2133                 alertpanel_error(_("Folder could not be opened."));
2134
2135                 folderview->open_folder = FALSE;
2136                 can_select = TRUE;
2137                 END_TIMING();
2138                 return;
2139         } else if (res == -2) {
2140                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2141                 data->ctree = ctree;
2142                 data->row = row;
2143                 data->column = column;
2144                 data->folderview = folderview;
2145                 debug_print("postponing open of %s till end of scan\n",
2146                         item->path ? item->path:item->name);
2147                 folderview->open_folder = FALSE;
2148                 can_select = TRUE;
2149                 g_timeout_add(500, postpone_select, data);
2150                 END_TIMING();
2151                 return;
2152         }
2153
2154         main_window_cursor_normal(folderview->mainwin);
2155
2156         /* Show messages */
2157         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2158         opened = summary_show(folderview->summaryview, item);
2159
2160         folder_clean_cache_memory(item);
2161
2162         if (!opened) {
2163                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
2164                 gtk_ctree_select(ctree, folderview->opened);
2165         } else {
2166                 folderview->opened = row;
2167                 if (gtk_ctree_node_is_visible(ctree, row)
2168                     != GTK_VISIBILITY_FULL)
2169                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2170         }
2171
2172         STATUSBAR_POP(folderview->mainwin);
2173
2174         folderview->open_folder = FALSE;
2175         can_select = TRUE;
2176         END_TIMING();
2177 }
2178
2179 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2180                                      FolderView *folderview)
2181 {
2182         FolderItem *item;
2183
2184         item = gtk_ctree_node_get_row_data(ctree, node);
2185         g_return_if_fail(item != NULL);
2186         item->collapsed = FALSE;
2187         folderview_update_node(folderview, node);
2188 }
2189
2190 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2191                                       FolderView *folderview)
2192 {
2193         FolderItem *item;
2194
2195         item = gtk_ctree_node_get_row_data(ctree, node);
2196         g_return_if_fail(item != NULL);
2197         item->collapsed = TRUE;
2198         folderview_update_node(folderview, node);
2199 }
2200
2201 static void folderview_popup_close(GtkMenuShell *menu_shell,
2202                                    FolderView *folderview)
2203 {
2204         if (!folderview->opened) return;
2205
2206         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2207 }
2208
2209 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2210                                    FolderView *folderview)
2211 {
2212         FolderColumnType type = folderview->col_state[column].type;
2213
2214         prefs_common.folder_col_size[type] = width;
2215 }
2216
2217 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2218 {
2219         GNode *srcnode;
2220
2221         folderview_create_folder_node(folderview, item);
2222
2223         if (!item || !item->folder || !item->folder->node)
2224                 return;
2225
2226         srcnode = item->folder->node;
2227         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2228         srcnode = srcnode->children;
2229         while (srcnode != NULL) {
2230                 if (srcnode && srcnode->data) {
2231                         FolderItem *next_item = (FolderItem*) srcnode->data;
2232                         folderview_create_folder_node_recursive(folderview, next_item);
2233                 }
2234                 srcnode = srcnode->next;
2235         }
2236 }
2237
2238 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2239 {
2240         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2241         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2242         GtkCTreeNode *node, *parent_node;
2243         gint *col_pos = folderview->col_pos;
2244         FolderItemUpdateData hookdata;
2245
2246         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2247         if (parent_node == NULL)
2248                 return;
2249
2250         gtk_clist_freeze(GTK_CLIST(ctree));
2251
2252         text[col_pos[F_COL_FOLDER]] = item->name;
2253         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2254                                      FOLDER_SPACING,
2255                                      folderxpm, folderxpmmask,
2256                                      folderopenxpm, folderopenxpmmask,
2257                                      FALSE, FALSE);
2258         gtk_ctree_expand(ctree, parent_node);
2259         gtk_ctree_node_set_row_data(ctree, node, item);
2260         if (normal_style)
2261                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2262         folderview_sort_folders(folderview, parent_node, item->folder);
2263
2264         hookdata.item = item;
2265         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2266         hookdata.msg = NULL;
2267         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2268
2269         gtk_clist_thaw(GTK_CLIST(ctree));
2270 }
2271
2272 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2273                                       GtkWidget *widget)
2274 {
2275         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2276         FolderItem *item;
2277         GSList *mlist = NULL;
2278         GSList *cur = NULL;
2279         FolderItem *special_trash = NULL;
2280         PrefsAccount *ac;
2281
2282         if (!folderview->selected) return;
2283         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2284         g_return_if_fail(item != NULL);
2285         g_return_if_fail(item->folder != NULL);
2286
2287         if (NULL != (ac = account_find_from_item(item)))
2288                 special_trash = account_get_special_folder(ac, F_TRASH);
2289
2290         if (item != item->folder->trash && item != special_trash
2291         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2292
2293         if (prefs_common.ask_on_clean) {
2294                 if (alertpanel(_("Empty trash"),
2295                                _("Delete all messages in trash?"),
2296                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2297                         return;
2298         }
2299
2300         mlist = folder_item_get_msg_list(item);
2301
2302         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2303                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2304                 if (MSG_IS_LOCKED(msginfo->flags))
2305                         continue;
2306                 /* is it partially received? (partial_recv isn't cached) */
2307                 if (msginfo->total_size != 0 &&
2308                     msginfo->size != (off_t)msginfo->total_size)
2309                         partial_mark_for_delete(msginfo);
2310         }
2311         procmsg_msg_list_free(mlist);
2312
2313         folder_item_remove_all_msg(item);
2314 }
2315
2316 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2317                                       GtkWidget *widget)
2318 {
2319         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2320         FolderItem *item;
2321         FolderItem *special_queue = NULL;
2322         PrefsAccount *ac;
2323         gchar *errstr = NULL;
2324
2325         if (!folderview->selected) return;
2326         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2327         g_return_if_fail(item != NULL);
2328         g_return_if_fail(item->folder != NULL);
2329
2330         if (NULL != (ac = account_find_from_item(item)))
2331                 special_queue = account_get_special_folder(ac, F_QUEUE);
2332
2333         if (item != item->folder->queue && item != special_queue
2334         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2335
2336         if (procmsg_queue_is_empty(item))
2337                 return;
2338
2339         if (prefs_common.work_offline)
2340                 if (alertpanel(_("Offline warning"),
2341                                _("You're working offline. Override?"),
2342                                GTK_STOCK_NO, GTK_STOCK_YES,
2343                                NULL) != G_ALERTALTERNATE)
2344                 return;
2345
2346         /* ask for confirmation before sending queued messages only
2347            in online mode and if there is at least one message queued
2348            in any of the folder queue
2349         */
2350         if (prefs_common.confirm_send_queued_messages) {
2351                 if (!prefs_common.work_offline) {
2352                         if (alertpanel(_("Send queued messages"),
2353                                    _("Send all queued messages?"),
2354                                    GTK_STOCK_CANCEL, _("_Send"),
2355                                    NULL) != G_ALERTALTERNATE)
2356                                 return;
2357                 }
2358         }
2359
2360         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2361                 if (!errstr)
2362                         alertpanel_error_log(_("Some errors occurred while "
2363                                            "sending queued messages."));
2364                 else {
2365                         gchar *tmp = g_strdup_printf(_("Some errors occurred "
2366                                         "while sending queued messages:\n%s"), errstr);
2367                         g_free(errstr);
2368                         alertpanel_error_log(tmp);
2369                         g_free(tmp);
2370                 }
2371         }
2372 }
2373
2374 static void folderview_search_cb(FolderView *folderview, guint action,
2375                                  GtkWidget *widget)
2376 {
2377         summary_search(folderview->summaryview);
2378 }
2379
2380 static void folderview_property_cb(FolderView *folderview, guint action,
2381                                    GtkWidget *widget)
2382 {
2383         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2384         FolderItem *item;
2385
2386         if (!folderview->selected) return;
2387
2388         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2389         g_return_if_fail(item != NULL);
2390         g_return_if_fail(item->folder != NULL);
2391
2392         prefs_folder_item_open(item);
2393 }
2394
2395 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2396 {
2397         GSList *list = NULL;
2398         GSList *done = NULL;
2399         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2400
2401         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2402                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2403                 &&  list->data != node) {
2404                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2405                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2406                 }
2407         }
2408         for (list = done; list != NULL; list = g_slist_next(list)) {
2409                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2410                                                                  list->data);
2411         }
2412         g_slist_free(done);
2413 }
2414
2415 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2416                             FolderItem *to_folder)
2417 {
2418         FolderItem *from_parent = NULL;
2419         FolderItem *new_folder = NULL;
2420         GtkCTreeNode *src_node = NULL;
2421         gchar *buf;
2422         gint status;
2423
2424         g_return_if_fail(folderview != NULL);
2425         g_return_if_fail(from_folder != NULL);
2426         g_return_if_fail(to_folder != NULL);
2427
2428         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2429         from_parent = folder_item_parent(from_folder);
2430
2431         if (prefs_common.warn_dnd) {
2432                 buf = g_strdup_printf(_("Do you really want to make folder '%s' a "
2433                                         "sub-folder of '%s' ?"), from_folder->name,
2434                                         to_folder->name);
2435                 status = alertpanel_full(_("Move folder"), buf,
2436                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2437                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2438                 g_free(buf);
2439
2440                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2441                         return;
2442                 else if (status & G_ALERTDISABLE)
2443                         prefs_common.warn_dnd = FALSE;
2444         }
2445
2446         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2447         STATUSBAR_PUSH(folderview->mainwin, buf);
2448         g_free(buf);
2449         summary_clear_all(folderview->summaryview);
2450         folderview->opened = NULL;
2451         folderview->selected = NULL;
2452         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2453         inc_lock();
2454         main_window_cursor_wait(folderview->mainwin);
2455         statusbar_verbosity_set(TRUE);
2456         folder_item_update_freeze();
2457         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2458                 statusbar_verbosity_set(FALSE);
2459                 main_window_cursor_normal(folderview->mainwin);
2460                 STATUSBAR_POP(folderview->mainwin);
2461                 folder_item_update_thaw();
2462                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2463
2464                 folderview_sort_folders(folderview,
2465                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2466                                 NULL, to_folder), new_folder->folder);
2467                 folderview_select(folderview, new_folder);
2468         } else {
2469                 statusbar_verbosity_set(FALSE);
2470                 main_window_cursor_normal(folderview->mainwin);
2471                 STATUSBAR_POP(folderview->mainwin);
2472                 folder_item_update_thaw();
2473                 switch (status) {
2474                 case F_MOVE_FAILED_DEST_IS_PARENT:
2475                         alertpanel_error(_("Source and destination are the same."));
2476                         break;
2477                 case F_MOVE_FAILED_DEST_IS_CHILD:
2478                         alertpanel_error(_("Can't move a folder to one of its children."));
2479                         break;
2480                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2481                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2482                         break;
2483                 default:
2484                         alertpanel_error(_("Move failed!"));
2485                         break;
2486                 }
2487         }
2488         inc_unlock();
2489         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2490 }
2491
2492 static gint folderview_clist_compare(GtkCList *clist,
2493                                      gconstpointer ptr1, gconstpointer ptr2)
2494 {
2495         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2496         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2497
2498         if (!item1->name)
2499                 return (item2->name != NULL);
2500         if (!item2->name)
2501                 return -1;
2502
2503         return g_utf8_collate(item1->name, item2->name);
2504 }
2505
2506 static void folderview_processing_cb(FolderView *folderview, guint action,
2507                                      GtkWidget *widget)
2508 {
2509         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2510         FolderItem *item;
2511         gchar *id, *title;
2512
2513         if (!folderview->selected) return;
2514
2515         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2516         g_return_if_fail(item != NULL);
2517         g_return_if_fail(item->folder != NULL);
2518
2519         id = folder_item_get_identifier(item);
2520         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2521         g_free (id);
2522
2523         prefs_filtering_open(&item->prefs->processing, title,
2524                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2525         g_free (title);
2526 }
2527
2528 void folderview_set_target_folder_color(gint color_op)
2529 {
2530         gint firstone = 1;
2531         GList *list;
2532         FolderView *folderview;
2533
2534         for (list = folderview_list; list != NULL; list = list->next) {
2535                 folderview = (FolderView *)list->data;
2536                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2537                 if (firstone) {
2538                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2539                                 folderview->color_op;
2540                         firstone = 0;
2541                 }
2542         }
2543 }
2544
2545 static gchar *last_font = NULL;
2546 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2547 {
2548         /* force reinit */
2549         g_free(last_font);
2550         last_font = NULL;
2551
2552 }
2553
2554 void folderview_reflect_prefs(void)
2555 {
2556         gboolean update_font = TRUE;
2557         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2558         FolderItem *item = folderview_get_selected_item(folderview);
2559         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2560                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2561         gint height = pos->value;
2562
2563         if (last_font && !strcmp(last_font, NORMAL_FONT))
2564                 update_font = FALSE;
2565
2566         g_free(last_font);
2567         last_font = g_strdup(NORMAL_FONT);
2568
2569         if (update_font) {
2570                 normal_style = normal_color_style = bold_style =
2571                         bold_color_style = bold_tgtfold_style = NULL;
2572
2573                 folderview_init(folderview);
2574         }
2575         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2576         folderview_column_set_titles(folderview);
2577         folderview_set_all();
2578
2579         g_signal_handlers_block_by_func
2580                 (G_OBJECT(folderview->ctree),
2581                  G_CALLBACK(folderview_selected), folderview);
2582
2583         if (item) {
2584                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2585                         GTK_CTREE(folderview->ctree), NULL, item);
2586
2587                 folderview_select(folderview, item);
2588                 folderview->open_folder = FALSE;
2589                 folderview->selected = node;
2590         }
2591
2592         g_signal_handlers_unblock_by_func
2593                 (G_OBJECT(folderview->ctree),
2594                  G_CALLBACK(folderview_selected), folderview);
2595
2596         pos = gtk_scrolled_window_get_vadjustment(
2597                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2598         gtk_adjustment_set_value(pos, height);
2599         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2600 }
2601
2602 static void drag_state_stop(FolderView *folderview)
2603 {
2604         if (folderview->drag_timer)
2605                 gtk_timeout_remove(folderview->drag_timer);
2606         folderview->drag_timer = 0;
2607         folderview->drag_node = NULL;
2608 }
2609
2610 static gint folderview_defer_expand(FolderView *folderview)
2611 {
2612         if (folderview->drag_node) {
2613                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2614                 if (folderview->drag_item->collapsed) {
2615                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2616                         folderview->nodes_to_recollapse = g_slist_append
2617                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2618                 }
2619         }
2620         folderview->drag_item  = NULL;
2621         folderview->drag_timer = 0;
2622         return FALSE;
2623 }
2624
2625 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2626 {
2627         /* the idea is that we call drag_state_start() whenever we want expansion to
2628          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2629          * we need to call drag_state_stop() */
2630         drag_state_stop(folderview);
2631         /* request expansion */
2632         if (0 != (folderview->drag_timer = gtk_timeout_add
2633                         (prefs_common.hover_timeout,
2634                          (GtkFunction)folderview_defer_expand,
2635                          folderview))) {
2636                 folderview->drag_node = node;
2637                 folderview->drag_item = item;
2638         }
2639 }
2640
2641 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2642                                   FolderView       *folderview)
2643 {
2644         GdkDragContext *context;
2645
2646         g_return_if_fail(folderview != NULL);
2647         if (folderview->selected == NULL) return;
2648         if (folderview->nodes_to_recollapse)
2649                 g_slist_free(folderview->nodes_to_recollapse);
2650         folderview->nodes_to_recollapse = NULL;
2651         context = gtk_drag_begin(widget, folderview->target_list,
2652                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2653         gtk_drag_set_icon_default(context);
2654 }
2655
2656 static void folderview_drag_data_get(GtkWidget        *widget,
2657                                      GdkDragContext   *drag_context,
2658                                      GtkSelectionData *selection_data,
2659                                      guint             info,
2660                                      guint             time,
2661                                      FolderView       *folderview)
2662 {
2663         FolderItem *item;
2664         GList *cur;
2665         gchar *source = NULL;
2666         if (info == TARGET_DUMMY) {
2667                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2668                      cur != NULL; cur = cur->next) {
2669                         item = gtk_ctree_node_get_row_data
2670                                 (GTK_CTREE(folderview->ctree),
2671                                  GTK_CTREE_NODE(cur->data));
2672                         if (item) {
2673                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2674                                 gtk_selection_data_set(selection_data,
2675                                                        selection_data->target, 8,
2676                                                        source, strlen(source));
2677                                 break;
2678                         } else
2679                                 return;
2680                 }
2681         } else {
2682                 g_warning("unknown info %d\n", info);
2683         }
2684 }
2685
2686 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2687 {
2688         FolderUpdateData *hookdata;
2689         FolderView *folderview;
2690         GtkWidget *ctree;
2691
2692         hookdata = source;
2693         folderview = (FolderView *) userdata;
2694         g_return_val_if_fail(hookdata != NULL, FALSE);
2695         g_return_val_if_fail(folderview != NULL, FALSE);
2696
2697         ctree = folderview->ctree;
2698         g_return_val_if_fail(ctree != NULL, FALSE);
2699
2700         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2701                 folderview_create_folder_node(folderview, hookdata->item);
2702         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2703                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2704                                 NULL, folder_item_parent(hookdata->item));
2705                 folderview_sort_folders(folderview, node, hookdata->folder);
2706         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2707                 GtkCTreeNode *node;
2708
2709                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2710                 if (node != NULL)
2711                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2712         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2713                 folderview_set(folderview);
2714
2715         return FALSE;
2716 }
2717
2718 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2719                                           GdkDragContext *context,
2720                                           gint            x,
2721                                           gint            y,
2722                                           guint           time,
2723                                           FolderView     *folderview)
2724 {
2725         gint row, column;
2726         FolderItem *item = NULL, *src_item = NULL;
2727         GtkCTreeNode *node = NULL;
2728         gboolean acceptable = FALSE;
2729         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2730                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2731         int height = (int)pos->page_size;
2732         int total_height = (int)pos->upper;
2733         int vpos = (int) pos->value;
2734
2735         if (gtk_clist_get_selection_info
2736                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2737                 GtkWidget *srcwidget;
2738
2739                 if (y > height - 24 && height + vpos < total_height)
2740                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2741
2742                 if (y < 48 && y > 0)
2743                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2744
2745                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2746                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2747                 src_item = folderview->summaryview->folder_item;
2748
2749                 srcwidget = gtk_drag_get_source_widget(context);
2750                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2751                         /* comes from summaryview */
2752                         /* we are copying messages, so only accept folder items that are not
2753                            the source item, are no root items and can copy messages */
2754                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2755                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2756                                 acceptable = TRUE;
2757                 } else if (srcwidget == folderview->ctree) {
2758                         /* comes from folderview */
2759                         /* we are moving folder items, only accept folders that are not
2760                            the source items and can copy messages and create folder items */
2761                         if (item && item->folder && src_item && src_item != item &&
2762                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2763                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2764                                 acceptable = TRUE;
2765                 } else {
2766                         /* comes from another app */
2767                         /* we are adding messages, so only accept folder items that are
2768                            no root items and can copy messages */
2769                         if (item && item->folder && folder_item_parent(item) != NULL
2770                             && FOLDER_CLASS(item->folder)->add_msg != NULL)
2771                                 acceptable = TRUE;
2772                 }
2773         }
2774
2775         if (acceptable || (src_item && src_item == item))
2776                 drag_state_start(folderview, node, item);
2777
2778         if (acceptable) {
2779                 g_signal_handlers_block_by_func
2780                         (G_OBJECT(widget),
2781                          G_CALLBACK(folderview_selected), folderview);
2782                 gtk_ctree_select(GTK_CTREE(widget), node);
2783                 g_signal_handlers_unblock_by_func
2784                         (G_OBJECT(widget),
2785                          G_CALLBACK(folderview_selected), folderview);
2786                 gdk_drag_status(context,
2787                                         (context->actions == GDK_ACTION_COPY ?
2788                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2789         } else {
2790                 if (folderview->opened)
2791                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2792                 gdk_drag_status(context, 0, time);
2793         }
2794
2795         return acceptable;
2796 }
2797
2798 static void folderview_drag_leave_cb(GtkWidget      *widget,
2799                                      GdkDragContext *context,
2800                                      guint           time,
2801                                      FolderView     *folderview)
2802 {
2803         drag_state_stop(folderview);
2804         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2805 }
2806
2807 static void free_info (gpointer stuff, gpointer data)
2808 {
2809         g_free(stuff);
2810 }
2811
2812 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2813                            guint time, FolderItem *item)
2814 {
2815         GList *list, *tmp;
2816         GSList *msglist = NULL;
2817         list = uri_list_extract_filenames(data);
2818         if (!(item && item->folder && folder_item_parent(item) != NULL
2819                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2820         {
2821                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2822                 return;
2823         }
2824         if (!list) {
2825                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2826                 return;
2827         }
2828         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2829                 MsgFileInfo *info = NULL;
2830
2831                 if (file_is_email((gchar *)tmp->data)) {
2832                         info = g_new0(MsgFileInfo, 1);
2833                         info->msginfo = NULL;
2834                         info->file = (gchar *)tmp->data;
2835                         msglist = g_slist_prepend(msglist, info);
2836                 }
2837         }
2838         if (msglist) {
2839                 msglist = g_slist_reverse(msglist);
2840                 folder_item_add_msgs(item, msglist, FALSE);
2841                 g_slist_foreach(msglist, free_info, NULL);
2842                 g_slist_free(msglist);
2843                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2844         } else {
2845                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2846         }
2847         list_free_strings(list);
2848         g_list_free(list);
2849 }
2850
2851 static void folderview_drag_received_cb(GtkWidget        *widget,
2852                                         GdkDragContext   *drag_context,
2853                                         gint              x,
2854                                         gint              y,
2855                                         GtkSelectionData *data,
2856                                         guint             info,
2857                                         guint             time,
2858                                         FolderView       *folderview)
2859 {
2860         gint row, column;
2861         FolderItem *item = NULL, *src_item;
2862         GtkCTreeNode *node;
2863
2864         if (info == TARGET_DUMMY) {
2865                 drag_state_stop(folderview);
2866                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2867                         /* comes from summaryview */
2868                         if (gtk_clist_get_selection_info
2869                                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2870                                 return;
2871
2872                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2873                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2874                         src_item = folderview->summaryview->folder_item;
2875
2876                         /* re-check (due to acceptable possibly set for folder moves */
2877                         if (!(item && item->folder && item->path && !item->no_select &&
2878                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2879                                 return;
2880                         }
2881                         if (item && src_item) {
2882                                 switch (drag_context->action) {
2883                                 case GDK_ACTION_COPY:
2884                                         summary_copy_selected_to(folderview->summaryview, item);
2885                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2886                                         break;
2887                                 case GDK_ACTION_MOVE:
2888                                 case GDK_ACTION_DEFAULT:
2889                                 default:
2890                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2891                                                 summary_copy_selected_to(folderview->summaryview, item);
2892                                         else
2893                                                 summary_move_selected_to(folderview->summaryview, item);
2894                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2895                                 }
2896                         } else
2897                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2898                 } else {
2899                         /* comes from folderview */
2900                         char *source;
2901                         gboolean folder_is_normal = TRUE;
2902
2903                         source = data->data + 17;
2904                         if (gtk_clist_get_selection_info
2905                             (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2906                             || *source == 0) {
2907                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2908                                 return;
2909                         }
2910                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2911                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2912                         src_item = folder_find_item_from_identifier(source);
2913
2914                         folder_is_normal =
2915                                 src_item != NULL &&
2916                                 src_item->stype == F_NORMAL &&
2917                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
2918                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
2919                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
2920                                 !folder_has_parent_of_type(src_item, F_TRASH);
2921                         if (!item || item->no_select || !src_item
2922                         ||  !folder_is_normal) {
2923                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2924                                 return;
2925                         }
2926
2927                         folderview_move_folder(folderview, src_item, item);
2928                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2929                 }
2930                 folderview->nodes_to_recollapse = NULL;
2931         } else if (info == TARGET_MAIL_URI_LIST) {
2932                 if (gtk_clist_get_selection_info
2933                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2934                         return;
2935
2936                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2937                 if (!node) {
2938                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2939                         return;
2940                 }
2941                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2942                 if (!item) {
2943                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2944                         return;
2945                 }
2946                 folderview_finish_dnd(data->data, drag_context, time, item);
2947         }
2948 }
2949
2950 static void folderview_drag_end_cb(GtkWidget        *widget,
2951                                    GdkDragContext   *drag_context,
2952                                    FolderView       *folderview)
2953 {
2954         drag_state_stop(folderview);
2955         g_slist_free(folderview->nodes_to_recollapse);
2956         folderview->nodes_to_recollapse = NULL;
2957 }
2958
2959 void folderview_register_popup(FolderViewPopup *fpopup)
2960 {
2961         GList *folderviews;
2962
2963         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2964                 FolderView *folderview = folderviews->data;
2965                 GtkItemFactory *factory;
2966
2967                 factory = create_ifactory(folderview, fpopup);
2968                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2969         }
2970         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2971 }
2972
2973 void folderview_unregister_popup(FolderViewPopup *fpopup)
2974 {
2975         GList *folderviews;
2976
2977         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2978                 FolderView *folderview = folderviews->data;
2979
2980                 g_hash_table_remove(folderview->popups, fpopup->klass);
2981         }
2982         g_hash_table_remove(folderview_popups, fpopup->klass);
2983 }