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