src/folderview.c

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