src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66 #include "prefs_folder_column.h"
  67 #include "filtering.h"
  68 #include "quicksearch.h"
  69 #include "manual.h"
  70 #include "timing.h"
  71
  72 #define COL_FOLDER_WIDTH        150
  73 #define COL_NUM_WIDTH           32
  74
  75 static GList *folderview_list = NULL;
  76
  77 static GtkStyle *normal_style;
  78 static GtkStyle *normal_color_style;
  79 static GtkStyle *bold_style;
  80 static GtkStyle *bold_color_style;
  81 static GtkStyle *bold_tgtfold_style;
  82
  83 static GdkPixmap *inboxxpm;
  84 static GdkBitmap *inboxxpmmask;
  85 static GdkPixmap *inboxhrmxpm;
  86 static GdkBitmap *inboxhrmxpmmask;
  87 static GdkPixmap *inboxopenxpm;
  88 static GdkBitmap *inboxopenxpmmask;
  89 static GdkPixmap *inboxopenhrmxpm;
  90 static GdkBitmap *inboxopenhrmxpmmask;
  91 static GdkPixmap *outboxxpm;
  92 static GdkBitmap *outboxxpmmask;
  93 static GdkPixmap *outboxhrmxpm;
  94 static GdkBitmap *outboxhrmxpmmask;
  95 static GdkPixmap *outboxopenxpm;
  96 static GdkBitmap *outboxopenxpmmask;
  97 static GdkPixmap *outboxopenhrmxpm;
  98 static GdkBitmap *outboxopenhrmxpmmask;
  99 static GdkPixmap *folderxpm;
 100 static GdkBitmap *folderxpmmask;
 101 static GdkPixmap *folderhrmxpm;
 102 static GdkBitmap *folderhrmxpmmask;
 103 static GdkPixmap *folderopenxpm;
 104 static GdkBitmap *folderopenxpmmask;
 105 static GdkPixmap *folderopenhrmxpm;
 106 static GdkBitmap *folderopenhrmxpmmask;
 107 static GdkPixmap *trashopenxpm;
 108 static GdkBitmap *trashopenxpmmask;
 109 static GdkPixmap *trashopenhrmxpm;
 110 static GdkBitmap *trashopenhrmxpmmask;
 111 static GdkPixmap *trashxpm;
 112 static GdkBitmap *trashxpmmask;
 113 static GdkPixmap *trashhrmxpm;
 114 static GdkBitmap *trashhrmxpmmask;
 115 static GdkPixmap *queuexpm;
 116 static GdkBitmap *queuexpmmask;
 117 static GdkPixmap *queuehrmxpm;
 118 static GdkBitmap *queuehrmxpmmask;
 119 static GdkPixmap *queueopenxpm;
 120 static GdkBitmap *queueopenxpmmask;
 121 static GdkPixmap *queueopenhrmxpm;
 122 static GdkBitmap *queueopenhrmxpmmask;
 123 static GdkPixmap *draftsxpm;
 124 static GdkBitmap *draftsxpmmask;
 125 static GdkPixmap *draftsopenxpm;
 126 static GdkBitmap *draftsopenxpmmask;
 127 static GdkPixmap *noselectxpm;
 128 static GdkBitmap *noselectxpmmask;
 129
 130 static GdkPixmap *m_inboxxpm;
 131 static GdkBitmap *m_inboxxpmmask;
 132 static GdkPixmap *m_inboxhrmxpm;
 133 static GdkBitmap *m_inboxhrmxpmmask;
 134 static GdkPixmap *m_inboxopenxpm;
 135 static GdkBitmap *m_inboxopenxpmmask;
 136 static GdkPixmap *m_inboxopenhrmxpm;
 137 static GdkBitmap *m_inboxopenhrmxpmmask;
 138 static GdkPixmap *m_outboxxpm;
 139 static GdkBitmap *m_outboxxpmmask;
 140 static GdkPixmap *m_outboxhrmxpm;
 141 static GdkBitmap *m_outboxhrmxpmmask;
 142 static GdkPixmap *m_outboxopenxpm;
 143 static GdkBitmap *m_outboxopenxpmmask;
 144 static GdkPixmap *m_outboxopenhrmxpm;
 145 static GdkBitmap *m_outboxopenhrmxpmmask;
 146 static GdkPixmap *m_folderxpm;
 147 static GdkBitmap *m_folderxpmmask;
 148 static GdkPixmap *m_folderhrmxpm;
 149 static GdkBitmap *m_folderhrmxpmmask;
 150 static GdkPixmap *m_folderopenxpm;
 151 static GdkBitmap *m_folderopenxpmmask;
 152 static GdkPixmap *m_folderopenhrmxpm;
 153 static GdkBitmap *m_folderopenhrmxpmmask;
 154 static GdkPixmap *m_trashopenxpm;
 155 static GdkBitmap *m_trashopenxpmmask;
 156 static GdkPixmap *m_trashopenhrmxpm;
 157 static GdkBitmap *m_trashopenhrmxpmmask;
 158 static GdkPixmap *m_trashxpm;
 159 static GdkBitmap *m_trashxpmmask;
 160 static GdkPixmap *m_trashhrmxpm;
 161 static GdkBitmap *m_trashhrmxpmmask;
 162 static GdkPixmap *m_queuexpm;
 163 static GdkBitmap *m_queuexpmmask;
 164 static GdkPixmap *m_queuehrmxpm;
 165 static GdkBitmap *m_queuehrmxpmmask;
 166 static GdkPixmap *m_queueopenxpm;
 167 static GdkBitmap *m_queueopenxpmmask;
 168 static GdkPixmap *m_queueopenhrmxpm;
 169 static GdkBitmap *m_queueopenhrmxpmmask;
 170 static GdkPixmap *m_draftsxpm;
 171 static GdkBitmap *m_draftsxpmmask;
 172 static GdkPixmap *m_draftsopenxpm;
 173 static GdkBitmap *m_draftsopenxpmmask;
 174
 175 static GdkPixmap *newxpm;
 176 static GdkBitmap *newxpmmask;
 177 static GdkPixmap *unreadxpm;
 178 static GdkBitmap *unreadxpmmask;
 179 static GdkPixmap *readxpm;
 180 static GdkBitmap *readxpmmask;
 181
 182
 183 static void folderview_select_node       (FolderView    *folderview,
 184                                           GtkCTreeNode  *node);
 185 static void folderview_set_folders       (FolderView    *folderview);
 186 static void folderview_sort_folders      (FolderView    *folderview,
 187                                           GtkCTreeNode  *root,
 188                                           Folder        *folder);
 189 static void folderview_append_folder     (FolderView    *folderview,
 190                                           Folder        *folder);
 191 static void folderview_update_node       (FolderView    *folderview,
 192                                           GtkCTreeNode  *node);
 193
 194 static gint folderview_clist_compare    (GtkCList       *clist,
 195                                          gconstpointer   ptr1,
 196                                          gconstpointer   ptr2);
 197
 198 /* callback functions */
 199 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 200                                                  GdkEventButton *event,
 201                                                  FolderView     *folderview);
 202 static gboolean folderview_button_released      (GtkWidget      *ctree,
 203                                                  GdkEventButton *event,
 204                                                  FolderView     *folderview);
 205 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 206                                          GdkEventKey    *event,
 207                                          FolderView     *folderview);
 208 static void folderview_selected         (GtkCTree       *ctree,
 209                                          GtkCTreeNode   *row,
 210                                          gint            column,
 211                                          FolderView     *folderview);
 212 static void folderview_tree_expanded    (GtkCTree       *ctree,
 213                                          GtkCTreeNode   *node,
 214                                          FolderView     *folderview);
 215 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 216                                          GtkCTreeNode   *node,
 217                                          FolderView     *folderview);
 218 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 219                                          FolderView     *folderview);
 220 static void folderview_col_resized      (GtkCList       *clist,
 221                                          gint            column,
 222                                          gint            width,
 223                                          FolderView     *folderview);
 224
 225 static void mark_all_read_cb            (FolderView    *folderview,
 226                                          guint           action,
 227                                          GtkWidget      *widget);
 228
 229 static void folderview_empty_trash_cb   (FolderView     *folderview,
 230                                          guint           action,
 231                                          GtkWidget      *widget);
 232
 233 static void folderview_send_queue_cb    (FolderView     *folderview,
 234                                          guint           action,
 235                                          GtkWidget      *widget);
 236
 237 static void folderview_search_cb        (FolderView     *folderview,
 238                                          guint           action,
 239                                          GtkWidget      *widget);
 240
 241 static void folderview_property_cb      (FolderView     *folderview,
 242                                          guint           action,
 243                                          GtkWidget      *widget);
 244
 245 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 246                                           GdkDragContext *context,
 247                                           gint            x,
 248                                           gint            y,
 249                                           guint           time,
 250                                           FolderView     *folderview);
 251 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 252                                           GdkDragContext   *context,
 253                                           guint             time,
 254                                           FolderView       *folderview);
 255 static void folderview_drag_received_cb  (GtkWidget        *widget,
 256                                           GdkDragContext   *drag_context,
 257                                           gint              x,
 258                                           gint              y,
 259                                           GtkSelectionData *data,
 260                                           guint             info,
 261                                           guint             time,
 262                                           FolderView       *folderview);
 263 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 264                                           FolderView       *folderview);
 265 static void folderview_drag_data_get     (GtkWidget        *widget,
 266                                           GdkDragContext   *drag_context,
 267                                           GtkSelectionData *selection_data,
 268                                           guint             info,
 269                                           guint             time,
 270                                           FolderView       *folderview);
 271 static void folderview_drag_end_cb       (GtkWidget        *widget,
 272                                           GdkDragContext   *drag_context,
 273                                           FolderView       *folderview);
 274
 275 void folderview_create_folder_node       (FolderView       *folderview,
 276                                           FolderItem       *item);
 277 gboolean folderview_update_folder        (gpointer          source,
 278                                           gpointer          userdata);
 279 gboolean folderview_update_item_claws    (gpointer          source,
 280                                           gpointer          data);
 281 static void folderview_processing_cb(FolderView *folderview, guint action,
 282                                      GtkWidget *widget);
 283 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 284                                 GdkEventButton *event);
 285
 286 GHashTable *folderview_popups;
 287
 288 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 289 {
 290         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 291         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 292         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 293         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 294 };
 295
 296 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 297         {"/------trashsep",             NULL, NULL, 0, "<Separator>"},
 298         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 299 };
 300
 301 static GtkItemFactoryEntry folder_view_queue_popup_entries[] = {
 302         {"/------queuesep",     NULL, NULL, 0, "<Separator>"},
 303         {N_("/Send _queue..."), NULL, folderview_send_queue_cb, 0, NULL},
 304 };
 305
 306
 307 GtkTargetEntry folderview_drag_types[] =
 308 {
 309         {"sylpheed-claws/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 310         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 311 };
 312
 313 void folderview_initialize(void)
 314 {
 315         FolderViewPopup *fpopup;
 316         guint i, n_entries;
 317         GSList *entries = NULL;
 318
 319         fpopup = g_new0(FolderViewPopup, 1);
 320
 321         n_entries = sizeof(folderview_common_popup_entries) /
 322                 sizeof(folderview_common_popup_entries[0]);
 323         for (i = 0; i < n_entries; i++)
 324                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 325
 326         fpopup->klass = "common";
 327         fpopup->path = "<CommonFolder>";
 328         fpopup->entries = entries;
 329         fpopup->set_sensitivity = NULL;
 330
 331         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 332         g_hash_table_insert(folderview_popups, "common", fpopup);
 333 }
 334
 335 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 336 {
 337         GSList *entries;
 338         GtkItemFactory *factory;
 339         FolderViewPopup *fpopup_common;
 340         GtkWidget *popup;
 341
 342         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 343         gtk_item_factory_set_translate_func(factory, menu_translate,
 344                                             NULL, NULL);
 345
 346         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 347                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 348
 349         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 350         if (fpopup_common != fpopup)
 351                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 352                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 353
 354         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 355         g_signal_connect(G_OBJECT(popup), "selection_done",
 356                          G_CALLBACK(folderview_popup_close),
 357                          folderview);
 358
 359         return factory;
 360 }
 361
 362 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 363 {
 364         FolderView *folderview = data;
 365         FolderViewPopup *fpopup = value;
 366         GtkItemFactory *factory;
 367
 368         factory = create_ifactory(folderview, fpopup);
 369         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 370 }
 371
 372 static void folderview_column_set_titles(FolderView *folderview)
 373 {
 374         GtkWidget *ctree = folderview->ctree;
 375         GtkWidget *label_new;
 376         GtkWidget *label_unread;
 377         GtkWidget *label_total;
 378         GtkWidget *hbox_new;
 379         GtkWidget *hbox_unread;
 380         GtkWidget *hbox_total;
 381         gint *col_pos = folderview->col_pos;
 382
 383         debug_print("setting titles...\n");
 384         gtk_widget_realize(folderview->ctree);
 385         gtk_widget_show_all(folderview->scrolledwin);
 386
 387         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 388          * instead text (text overflows making them unreadable and ugly) */
 389         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 390                          &newxpm, &newxpmmask);
 391         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 392                          &unreadxpm, &unreadxpmmask);
 393         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 394                          &readxpm, &readxpmmask);
 395
 396         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 397         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 398         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 399
 400         hbox_new = gtk_hbox_new(FALSE, 4);
 401         hbox_unread = gtk_hbox_new(FALSE, 4);
 402         hbox_total = gtk_hbox_new(FALSE, 4);
 403
 404         /* left justified */
 405         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 406         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 407         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 408         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 409         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 410         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 411
 412         gtk_widget_show_all(hbox_new);
 413         gtk_widget_show_all(hbox_unread);
 414         gtk_widget_show_all(hbox_total);
 415
 416         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 417         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 418         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 419 }
 420
 421 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 422 {
 423         FolderView *folderview = (FolderView *)data;
 424         GdkEventButton event;
 425         if (folderview_get_selected_item(folderview) == NULL)
 426                 return FALSE;
 427
 428         event.button = 3;
 429         event.time = gtk_get_current_event_time();
 430
 431         folderview_set_sens_and_popup_menu(folderview, -1,
 432                                 &event);
 433
 434         return TRUE;
 435 }
 436
 437
 438 GtkWidget *folderview_ctree_create(FolderView *folderview)
 439 {
 440         GtkWidget *ctree;
 441         gint *col_pos;
 442         FolderColumnState *col_state;
 443         FolderColumnType type;
 444         gchar *titles[N_FOLDER_COLS];
 445         gint i;
 446         GtkWidget *scrolledwin = folderview->scrolledwin;
 447
 448         debug_print("creating tree...\n");
 449         memset(titles, 0, sizeof(titles));
 450
 451         col_state = prefs_folder_column_get_config();
 452         memset(titles, 0, sizeof(titles));
 453
 454         col_pos = folderview->col_pos;
 455
 456         for (i = 0; i < N_FOLDER_COLS; i++) {
 457                 folderview->col_state[i] = col_state[i];
 458                 type = col_state[i].type;
 459                 col_pos[type] = i;
 460         }
 461
 462         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 463         titles[col_pos[F_COL_NEW]]    = _("New");
 464         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 465         /* TRANSLATORS: This in Number sign in American style */
 466         titles[col_pos[F_COL_TOTAL]]  = _("#");
 467
 468         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 469                                            titles);
 470
 471         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 472         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 473                                            GTK_JUSTIFY_RIGHT);
 474         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 475                                            col_pos[F_COL_UNREAD],
 476                                            GTK_JUSTIFY_RIGHT);
 477         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 478                                            col_pos[F_COL_TOTAL],
 479                                            GTK_JUSTIFY_RIGHT);
 480         if (prefs_common.enable_dotted_lines) {
 481                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 482                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 483                                      GTK_CTREE_EXPANDER_SQUARE);
 484         } else {
 485                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 486                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 487                                      GTK_CTREE_EXPANDER_TRIANGLE);
 488         }
 489
 490         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 491
 492         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 493         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 494
 495         /* don't let title buttons take key focus */
 496         for (i = 0; i < N_FOLDER_COLS; i++) {
 497                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 498                                        GTK_CAN_FOCUS);
 499                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 500                                    prefs_common.folder_col_size[i]);
 501                 gtk_clist_set_column_visibility
 502                         (GTK_CLIST(ctree), i, col_state[i].visible);
 503         }
 504
 505         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 506                          G_CALLBACK(folderview_key_pressed),
 507                          folderview);
 508         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 509                          G_CALLBACK(folderview_button_pressed),
 510                          folderview);
 511         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 512                          G_CALLBACK(folderview_popup_menu), folderview);
 513         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 514                          G_CALLBACK(folderview_button_released),
 515                          folderview);
 516         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 517                          G_CALLBACK(folderview_selected), folderview);
 518         g_signal_connect(G_OBJECT(ctree), "start_drag",
 519                          G_CALLBACK(folderview_start_drag), folderview);
 520         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 521                          G_CALLBACK(folderview_drag_data_get),
 522                          folderview);
 523
 524         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 525                                G_CALLBACK(folderview_tree_expanded),
 526                                folderview);
 527         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 528                                G_CALLBACK(folderview_tree_collapsed),
 529                                folderview);
 530
 531         g_signal_connect(G_OBJECT(ctree), "resize_column",
 532                          G_CALLBACK(folderview_col_resized),
 533                          folderview);
 534
 535         /* drop callback */
 536         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 537                           folderview_drag_types, 2,
 538                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 539         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 540                          G_CALLBACK(folderview_drag_motion_cb),
 541                          folderview);
 542         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 543                          G_CALLBACK(folderview_drag_leave_cb),
 544                          folderview);
 545         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 546                          G_CALLBACK(folderview_drag_received_cb),
 547                          folderview);
 548         g_signal_connect(G_OBJECT(ctree), "drag_end",
 549                          G_CALLBACK(folderview_drag_end_cb),
 550                          folderview);
 551
 552         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 553
 554         return ctree;
 555 }
 556
 557 void folderview_set_column_order(FolderView *folderview)
 558 {
 559         GtkWidget *ctree;
 560         FolderItem *item = folderview_get_selected_item(folderview);
 561         GtkWidget *scrolledwin = folderview->scrolledwin;
 562
 563         debug_print("recreating tree...\n");
 564         gtk_widget_destroy(folderview->ctree);
 565
 566         folderview->ctree = ctree = folderview_ctree_create(folderview);
 567         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 568                                             GTK_CLIST(ctree)->hadjustment);
 569         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 570                                             GTK_CLIST(ctree)->vadjustment);
 571         gtk_widget_show(ctree);
 572
 573         folderview_set(folderview);
 574         folderview_column_set_titles(folderview);
 575
 576         folderview_select(folderview,item);
 577 }
 578
 579 FolderView *folderview_create(void)
 580 {
 581         FolderView *folderview;
 582         GtkWidget *scrolledwin;
 583         GtkWidget *ctree;
 584
 585         debug_print("Creating folder view...\n");
 586         folderview = g_new0(FolderView, 1);
 587
 588         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 589         gtk_scrolled_window_set_policy
 590                 (GTK_SCROLLED_WINDOW(scrolledwin),
 591                  GTK_POLICY_AUTOMATIC,
 592                  prefs_common.folderview_vscrollbar_policy);
 593         gtk_widget_set_size_request(scrolledwin,
 594                              prefs_common.folderview_width,
 595                              prefs_common.folderview_height);
 596
 597         folderview->scrolledwin  = scrolledwin;
 598         ctree = folderview_ctree_create(folderview);
 599
 600         /* create popup factories */
 601         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 602         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 603
 604         folderview->ctree        = ctree;
 605
 606         folderview->folder_update_callback_id =
 607                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 608         folderview->folder_item_update_callback_id =
 609                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 610
 611         gtk_widget_show_all(scrolledwin);
 612
 613         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 614         folderview_list = g_list_append(folderview_list, folderview);
 615
 616         return folderview;
 617 }
 618
 619 void folderview_init(FolderView *folderview)
 620 {
 621         GtkWidget *ctree = folderview->ctree;
 622         GdkColor gdk_color;
 623
 624         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 625         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 626         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 627         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 628         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 629         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 630         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 631         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 632         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 633         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 634         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 635         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 636         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 637         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 638         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 639         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 640         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 641         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 642         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 643         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 644         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 645         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 646         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 647
 648         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 649         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 650         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 651         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 652         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 653         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 654         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 655         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 656         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 657         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 658         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 659         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 660         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 661         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 662         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 663         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 664         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 665         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 666         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 667         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 668         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 669         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 670
 671         if (!normal_style) {
 672                 PangoFontDescription *font_desc;
 673                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 674                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 675                 if (font_desc) {
 676                         if (normal_style->font_desc)
 677                                 pango_font_description_free
 678                                         (normal_style->font_desc);
 679                         normal_style->font_desc = font_desc;
 680                 }
 681                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 682                 normal_color_style = gtk_style_copy(normal_style);
 683                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 684
 685                 gtk_widget_set_style(ctree, normal_style);
 686         }
 687
 688         if (!bold_style) {
 689                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 690                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 691                 pango_font_description_set_weight
 692                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 693                 bold_color_style = gtk_style_copy(bold_style);
 694                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 695
 696                 bold_tgtfold_style = gtk_style_copy(bold_style);
 697                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 698         }
 699 }
 700
 701 void folderview_set(FolderView *folderview)
 702 {
 703         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 704         MainWindow *mainwin = folderview->mainwin;
 705
 706         if (!mainwin)
 707                 return;
 708
 709         debug_print("Setting folder info...\n");
 710         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 711
 712         main_window_cursor_wait(mainwin);
 713
 714         folderview->selected = NULL;
 715         folderview->opened = NULL;
 716
 717         gtk_clist_freeze(GTK_CLIST(ctree));
 718         gtk_clist_clear(GTK_CLIST(ctree));
 719         gtk_clist_thaw(GTK_CLIST(ctree));
 720         gtk_clist_freeze(GTK_CLIST(ctree));
 721
 722         folderview_set_folders(folderview);
 723
 724         gtk_clist_thaw(GTK_CLIST(ctree));
 725         main_window_cursor_normal(mainwin);
 726         STATUSBAR_POP(mainwin);
 727 }
 728
 729 void folderview_set_all(void)
 730 {
 731         GList *list;
 732
 733         for (list = folderview_list; list != NULL; list = list->next)
 734                 folderview_set((FolderView *)list->data);
 735 }
 736
 737 void folderview_select(FolderView *folderview, FolderItem *item)
 738 {
 739         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 740         GtkCTreeNode *node;
 741         GtkCTreeNode *old_selected = folderview->selected;
 742
 743         if (!item) return;
 744
 745         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 746         if (node) folderview_select_node(folderview, node);
 747
 748         if (old_selected != node)
 749                 folder_update_op_count();
 750 }
 751
 752 static void mark_all_read_cb(FolderView *folderview, guint action,
 753                              GtkWidget *widget)
 754 {
 755         FolderItem *item;
 756         AlertValue val;
 757
 758         item = folderview_get_selected_item(folderview);
 759         if (item == NULL)
 760                 return;
 761
 762         if (folderview->summaryview->folder_item != item
 763         &&  prefs_common.ask_mark_all_read) {
 764                 val = alertpanel_full(_("Mark all as read"),
 765                         _("Do you really want to mark all mails in this "
 766                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 767                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 768
 769                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 770                         return;
 771                 else if (val & G_ALERTDISABLE)
 772                         prefs_common.ask_mark_all_read = FALSE;
 773         }
 774
 775         summary_lock(folderview->summaryview);
 776         folder_item_update_freeze();
 777         if (folderview->summaryview->folder_item == item)
 778                 gtk_clist_freeze(GTK_CLIST(folderview->summaryview->ctree));
 779         folderutils_mark_all_read(item);
 780         if (folderview->summaryview->folder_item == item)
 781                 gtk_clist_thaw(GTK_CLIST(folderview->summaryview->ctree));
 782         folder_item_update_thaw();
 783         summary_unlock(folderview->summaryview);
 784 }
 785
 786 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 787 {
 788         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 789
 790         g_return_if_fail(node != NULL);
 791
 792         if (folderview->open_folder) {
 793                 return;
 794         }
 795
 796         folderview->open_folder = TRUE;
 797         gtkut_ctree_set_focus_row(ctree, node);
 798         gtk_ctree_select(ctree, node);
 799         if (folderview->summaryview->folder_item &&
 800             folderview->summaryview->folder_item->total_msgs > 0)
 801                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 802         else
 803                 gtk_widget_grab_focus(folderview->ctree);
 804
 805         gtkut_ctree_expand_parent_all(ctree, node);
 806 }
 807
 808 void folderview_unselect(FolderView *folderview)
 809 {
 810         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 811                 gtk_ctree_collapse
 812                         (GTK_CTREE(folderview->ctree), folderview->opened);
 813
 814         folderview->selected = folderview->opened = NULL;
 815 }
 816
 817 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 818                                                  GtkCTreeNode *node)
 819 {
 820         FolderItem *item;
 821
 822         if (node)
 823                 node = gtkut_ctree_node_next(ctree, node);
 824         else
 825                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 826
 827         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 828                 item = gtk_ctree_node_get_row_data(ctree, node);
 829                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 830                         return node;
 831         }
 832
 833         return NULL;
 834 }
 835
 836 void folderview_select_next_marked(FolderView *folderview)
 837 {
 838         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 839         GtkCTreeNode *node = NULL;
 840         SelectOnEntry last_sel = prefs_common.select_on_entry;
 841         gboolean last_open = prefs_common.always_show_msg;
 842
 843         prefs_common.select_on_entry = SELECTONENTRY_MNU;
 844         prefs_common.always_show_msg = TRUE;
 845
 846         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 847             != NULL) {
 848                 folderview_select_node(folderview, node);
 849                 goto out;
 850         }
 851
 852         if (!folderview->opened ||
 853             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 854                 goto out;
 855         }
 856         /* search again from the first node */
 857         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 858                 folderview_select_node(folderview, node);
 859
 860 out:
 861         prefs_common.select_on_entry = last_sel;
 862         prefs_common.always_show_msg = last_open;
 863 }
 864
 865 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 866                                                  GtkCTreeNode *node)
 867 {
 868         FolderItem *item;
 869
 870         if (node)
 871                 node = gtkut_ctree_node_next(ctree, node);
 872         else
 873                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 874
 875         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 876                 item = gtk_ctree_node_get_row_data(ctree, node);
 877                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 878                         return node;
 879         }
 880
 881         return NULL;
 882 }
 883
 884 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 885 {
 886         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 887         GtkCTreeNode *node = NULL;
 888         SelectOnEntry last_sel = prefs_common.select_on_entry;
 889         gboolean last_open = prefs_common.always_show_msg;
 890
 891         prefs_common.select_on_entry = SELECTONENTRY_UNM;
 892         prefs_common.always_show_msg = force_open ? TRUE : last_open;
 893
 894         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 895             != NULL) {
 896                 folderview_select_node(folderview, node);
 897                 goto out;
 898         }
 899
 900         if (!folderview->opened ||
 901             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 902                 goto out;
 903         }
 904         /* search again from the first node */
 905         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 906                 folderview_select_node(folderview, node);
 907
 908 out:
 909         prefs_common.select_on_entry = last_sel;
 910         prefs_common.always_show_msg = last_open;
 911 }
 912
 913 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 914                                                  GtkCTreeNode *node)
 915 {
 916         FolderItem *item;
 917
 918         if (node)
 919                 node = gtkut_ctree_node_next(ctree, node);
 920         else
 921                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 922
 923         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 924                 item = gtk_ctree_node_get_row_data(ctree, node);
 925                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 926                         return node;
 927         }
 928
 929         return NULL;
 930 }
 931
 932 void folderview_select_next_new(FolderView *folderview)
 933 {
 934         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 935         GtkCTreeNode *node = NULL;
 936         SelectOnEntry last_sel = prefs_common.select_on_entry;
 937         gboolean last_open = prefs_common.always_show_msg;
 938
 939         prefs_common.select_on_entry = SELECTONENTRY_NUM;
 940         prefs_common.always_show_msg = TRUE;
 941
 942         if ((node = folderview_find_next_new(ctree, folderview->opened))
 943             != NULL) {
 944                 folderview_select_node(folderview, node);
 945                 goto out;
 946         }
 947
 948         if (!folderview->opened ||
 949             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 950                 goto out;
 951         }
 952         /* search again from the first node */
 953         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
 954                 folderview_select_node(folderview, node);
 955
 956 out:
 957         prefs_common.select_on_entry = last_sel;
 958         prefs_common.always_show_msg = last_open;
 959 }
 960
 961 FolderItem *folderview_get_selected_item(FolderView *folderview)
 962 {
 963         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 964
 965         if (!folderview->selected) return NULL;
 966         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 967 }
 968
 969 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 970 {
 971         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 972         static GtkCTreeNode *prev_row = NULL;
 973         FolderItem *item;
 974         gint new, unread, total;
 975         gchar *new_str, *unread_str, *total_str;
 976         gint *col_pos = folderview->col_pos;
 977
 978         if (!row) return;
 979
 980         item = gtk_ctree_node_get_row_data(ctree, row);
 981         if (!item) return;
 982
 983         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_NEW], &new_str);
 984         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_UNREAD], &unread_str);
 985         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_TOTAL], &total_str);
 986         new = atoi(new_str);
 987         unread = atoi(unread_str);
 988         total = atoi(total_str);
 989
 990         prev_row = row;
 991
 992         folderview_update_node(folderview, row);
 993 }
 994
 995 void folderview_append_item(FolderItem *item)
 996 {
 997         GList *list;
 998
 999         g_return_if_fail(item != NULL);
1000         g_return_if_fail(item->folder != NULL);
1001         if (folder_item_parent(item)) return;
1002
1003         for (list = folderview_list; list != NULL; list = list->next) {
1004                 FolderView *folderview = (FolderView *)list->data;
1005                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1006                 GtkCTreeNode *node, *child;
1007                 gint *col_pos = folderview->col_pos;
1008
1009                 node = gtk_ctree_find_by_row_data(ctree, NULL,
1010                                                   folder_item_parent(item));
1011                 if (node) {
1012                         child = gtk_ctree_find_by_row_data(ctree, node, item);
1013                         if (!child) {
1014                                 gchar *text[N_FOLDER_COLS] =
1015                                         {NULL, "0", "0", "0"};
1016
1017                                 gtk_clist_freeze(GTK_CLIST(ctree));
1018
1019                                 text[col_pos[F_COL_FOLDER]] = item->name;
1020                                 child = gtk_sctree_insert_node
1021                                         (ctree, node, NULL, text,
1022                                          FOLDER_SPACING,
1023                                          folderxpm, folderxpmmask,
1024                                          folderopenxpm, folderopenxpmmask,
1025                                          FALSE, FALSE);
1026                                 gtk_ctree_node_set_row_data(ctree, child, item);
1027                                 gtk_ctree_expand(ctree, node);
1028                                 folderview_update_node(folderview, child);
1029                                 folderview_sort_folders(folderview, node,
1030                                                         item->folder);
1031
1032                                 gtk_clist_thaw(GTK_CLIST(ctree));
1033                         }
1034                 }
1035         }
1036 }
1037
1038 static void folderview_set_folders(FolderView *folderview)
1039 {
1040         GList *list;
1041 #ifndef HAVE_LIBETPAN
1042         static gboolean missing_imap_warning = TRUE;
1043 #endif
1044         list = folder_get_list();
1045
1046         for (; list != NULL; list = list->next) {
1047 #ifndef HAVE_LIBETPAN
1048                 if ((FOLDER(list->data))
1049                 &&  (FOLDER(list->data))->klass
1050                 &&  (FOLDER(list->data))->klass->type == F_IMAP
1051                 &&  missing_imap_warning) {
1052                         missing_imap_warning = FALSE;
1053                         alertpanel_error(
1054                                 _("You have one or more IMAP accounts "
1055                                   "defined. However this version of "
1056                                   "Sylpheed-Claws has been built without "
1057                                   "IMAP support; your IMAP account(s) are "
1058                                   "disabled.\n\n"
1059                                   "You probably need to "
1060                                   "install libetpan and recompile "
1061                                   "Sylpheed-Claws."));
1062                 }
1063 #endif
1064                 folderview_append_folder(folderview, FOLDER(list->data));
1065         }
1066 }
1067
1068 static gchar *get_scan_str(FolderItem *item)
1069 {
1070         if (item->path)
1071                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1072                                       item->folder->name, G_DIR_SEPARATOR,
1073                                       item->path);
1074         else
1075                 return g_strdup_printf(_("Scanning folder %s ..."),
1076                                       item->folder->name);
1077 }
1078 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1079                                       gpointer data)
1080 {
1081         GList *list;
1082         for (list = folderview_list; list != NULL; list = list->next) {
1083                 FolderView *folderview = (FolderView *)list->data;
1084                 MainWindow *mainwin = folderview->mainwin;
1085                 gchar *str = get_scan_str(item);
1086
1087                 STATUSBAR_PUSH(mainwin, str);
1088                 STATUSBAR_POP(mainwin);
1089                 g_free(str);
1090         }
1091 }
1092
1093 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1094 {
1095         GtkWidget *window;
1096
1097         g_return_if_fail(folder != NULL);
1098
1099         if (!folder->klass->scan_tree) return;
1100
1101         if (rebuild &&
1102             alertpanel_full(_("Rebuild folder tree"),
1103                          _("Rebuilding the folder tree will remove "
1104                            "local caches. Do you want to continue?"),
1105                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1106                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1107                 != G_ALERTALTERNATE) {
1108                 return;
1109         }
1110
1111         inc_lock();
1112         if (rebuild)
1113                 window = label_window_create(_("Rebuilding folder tree..."));
1114         else
1115                 window = label_window_create(_("Scanning folder tree..."));
1116
1117         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1118         folder_scan_tree(folder, rebuild);
1119         folder_set_ui_func(folder, NULL, NULL);
1120
1121         folderview_set_all();
1122
1123         gtk_widget_destroy(window);
1124         inc_unlock();
1125 }
1126
1127 /** folderview_check_new()
1128  *  Scan and update the folder and return the
1129  *  count the number of new messages since last check.
1130  *  \param folder the folder to check for new messages
1131  *  \return the number of new messages since last check
1132  */
1133 gint folderview_check_new(Folder *folder)
1134 {
1135         GList *list;
1136         FolderItem *item;
1137         FolderView *folderview;
1138         GtkCTree *ctree;
1139         GtkCTreeNode *node;
1140         gint new_msgs = 0;
1141         gint former_new_msgs = 0;
1142         gint former_new = 0, former_unread = 0, former_total;
1143
1144         for (list = folderview_list; list != NULL; list = list->next) {
1145                 folderview = (FolderView *)list->data;
1146                 ctree = GTK_CTREE(folderview->ctree);
1147
1148                 inc_lock();
1149                 main_window_lock(folderview->mainwin);
1150
1151                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1152                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1153                         gchar *str = NULL;
1154                         item = gtk_ctree_node_get_row_data(ctree, node);
1155                         if (!item || !item->path || !item->folder) continue;
1156                         if (item->no_select) continue;
1157                         if (folder && folder != item->folder) continue;
1158                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1159                         if (!item->prefs->newmailcheck) continue;
1160                         if (item->processing_pending == TRUE) {
1161                                 debug_print("skipping %s, processing pending\n",
1162                                         item->path ? item->path : item->name);
1163                                 continue;
1164                         }
1165
1166                         str = get_scan_str(item);
1167
1168                         STATUSBAR_PUSH(folderview->mainwin, str);
1169                         GTK_EVENTS_FLUSH();
1170                         g_free(str);
1171
1172                         folderview_scan_tree_func(item->folder, item, NULL);
1173                         former_new    = item->new_msgs;
1174                         former_unread = item->unread_msgs;
1175                         former_total  = item->total_msgs;
1176
1177                         if (item->folder->klass->scan_required &&
1178                             (item->folder->klass->scan_required(item->folder, item) ||
1179                              item->folder->inbox == item ||
1180                              item->opened == TRUE ||
1181                              item->processing_pending == TRUE)) {
1182                                 if (folder_item_scan(item) < 0) {
1183                                         summaryview_unlock(folderview->summaryview, item);
1184                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1185                                                 STATUSBAR_POP(folderview->mainwin);
1186                                                 break;
1187                                         }
1188                                 }
1189                         } else if (!item->folder->klass->scan_required) {
1190                                 if (folder_item_scan(item) < 0) {
1191                                         summaryview_unlock(folderview->summaryview, item);
1192                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1193                                                 STATUSBAR_POP(folderview->mainwin);
1194                                                 break;
1195                                         }
1196                                 }
1197                         }
1198                         if (former_new    != item->new_msgs ||
1199                             former_unread != item->unread_msgs ||
1200                             former_total  != item->total_msgs)
1201                                 folderview_update_node(folderview, node);
1202
1203                         new_msgs += item->new_msgs;
1204                         former_new_msgs += former_new;
1205                         STATUSBAR_POP(folderview->mainwin);
1206                 }
1207
1208                 main_window_unlock(folderview->mainwin);
1209                 inc_unlock();
1210         }
1211
1212         folder_write_list();
1213         /* Number of new messages since last check is the just the difference
1214          * between former_new_msgs and new_msgs. If new_msgs is less than
1215          * former_new_msgs, that would mean another session accessed the folder
1216          * and the result is not well defined.
1217          */
1218         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1219         return new_msgs;
1220 }
1221
1222 void folderview_check_new_all(void)
1223 {
1224         GList *list;
1225         GtkWidget *window;
1226         FolderView *folderview;
1227
1228         folderview = (FolderView *)folderview_list->data;
1229
1230         inc_lock();
1231         main_window_lock(folderview->mainwin);
1232         window = label_window_create
1233                 (_("Checking for new messages in all folders..."));
1234
1235         list = folder_get_list();
1236         for (; list != NULL; list = list->next) {
1237                 Folder *folder = list->data;
1238
1239                 folderview_check_new(folder);
1240         }
1241
1242         folder_write_list();
1243         folderview_set_all();
1244
1245         gtk_widget_destroy(window);
1246         main_window_unlock(folderview->mainwin);
1247         inc_unlock();
1248 }
1249
1250 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1251                                                  FolderItem *item,
1252                                                  gboolean in_sub)
1253 {
1254         GNode *node = NULL;
1255
1256         if (!item || !item->folder || !item->folder->node)
1257                 return FALSE;
1258
1259         node = item->folder->node;
1260
1261         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1262         node = node->children;
1263
1264         if (in_sub &&
1265             (item->new_msgs > 0 ||
1266             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1267                 return TRUE;
1268         }
1269
1270         while (node != NULL) {
1271                 if (node && node->data) {
1272                         FolderItem *next_item = (FolderItem*) node->data;
1273                         node = node->next;
1274                         if (folderview_have_new_children_sub(folderview,
1275                                                              next_item, TRUE))
1276                                 return TRUE;
1277                 }
1278         }
1279
1280         return FALSE;
1281 }
1282
1283 static gboolean folderview_have_new_children(FolderView *folderview,
1284                                              FolderItem *item)
1285 {
1286         return folderview_have_new_children_sub(folderview, item, FALSE);
1287 }
1288
1289 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1290                                                     FolderItem *item,
1291                                                     gboolean in_sub)
1292 {
1293         GNode *node = NULL;
1294
1295         if (!item || !item->folder || !item->folder->node)
1296                 return FALSE;
1297
1298         node = item->folder->node;
1299
1300         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1301         node = node->children;
1302
1303         if (in_sub &&
1304             (item->unread_msgs > 0 ||
1305             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1306                 return TRUE;
1307         }
1308
1309         while (node != NULL) {
1310                 if (node && node->data) {
1311                         FolderItem *next_item = (FolderItem*) node->data;
1312                         node = node->next;
1313                         if (folderview_have_unread_children_sub(folderview,
1314                                                                 next_item,
1315                                                                 TRUE))
1316                                 return TRUE;
1317                 }
1318         }
1319
1320         return FALSE;
1321 }
1322
1323 static gboolean folderview_have_unread_children(FolderView *folderview,
1324                                                 FolderItem *item)
1325 {
1326         return folderview_have_unread_children_sub(folderview, item, FALSE);
1327 }
1328
1329 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1330                                                       FolderItem *item,
1331                                                       gboolean in_sub)
1332 {
1333         GNode *node = NULL;
1334
1335         if (!item || !item->folder || !item->folder->node)
1336                 return FALSE;
1337
1338         node = item->folder->node;
1339
1340         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1341         node = node->children;
1342
1343         if (in_sub && item->search_match){
1344                 return TRUE;
1345         }
1346
1347         while (node != NULL) {
1348                 if (node && node->data) {
1349                         FolderItem *next_item = (FolderItem*) node->data;
1350                         node = node->next;
1351                         if (folderview_have_matching_children_sub(folderview,
1352                                                                   next_item,
1353                                                                   TRUE))
1354                                 return TRUE;
1355                 }
1356         }
1357
1358         return FALSE;
1359 }
1360
1361 static gboolean folderview_have_matching_children(FolderView *folderview,
1362                                                   FolderItem *item)
1363 {
1364         return folderview_have_matching_children_sub(folderview, item, FALSE);
1365 }
1366
1367 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1368                                                     FolderItem *item,
1369                                                     gboolean in_sub)
1370 {
1371         GNode *node = NULL;
1372
1373         if (!item || !item->folder || !item->folder->node)
1374                 return FALSE;
1375
1376         node = item->folder->node;
1377
1378         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1379         node = node->children;
1380
1381         if (item->marked_msgs != 0) {
1382                 return TRUE;
1383         }
1384
1385         while (node != NULL) {
1386                 if (node && node->data) {
1387                         FolderItem *next_item = (FolderItem*) node->data;
1388                         node = node->next;
1389                         if (folderview_have_marked_children_sub(folderview,
1390                                                                 next_item, TRUE))
1391                                 return TRUE;
1392                 }
1393         }
1394
1395         return FALSE;
1396 }
1397
1398 static gboolean folderview_have_marked_children(FolderView *folderview,
1399                                              FolderItem *item)
1400 {
1401         return folderview_have_marked_children_sub(folderview, item, FALSE);
1402 }
1403
1404 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1405 {
1406         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1407         GtkStyle *style = NULL;
1408         GtkStyle *color_style = NULL;
1409         FolderItem *item;
1410         GdkPixmap *xpm, *openxpm;
1411         GdkBitmap *mask, *openmask;
1412         static GdkPixmap *searchicon;
1413         static GdkBitmap *searchmask;
1414         gboolean mark = FALSE;
1415         gchar *name;
1416         gchar *str;
1417         gboolean add_unread_mark;
1418         gboolean add_sub_match_mark;
1419         gboolean use_bold, use_color;
1420         gint *col_pos = folderview->col_pos;
1421         SpecialFolderItemType stype;
1422
1423         item = gtk_ctree_node_get_row_data(ctree, node);
1424         g_return_if_fail(item != NULL);
1425
1426         if (!GTK_CTREE_ROW(node)->expanded)
1427                 mark = folderview_have_marked_children(folderview, item);
1428         else
1429                 mark = (item->marked_msgs != 0);
1430
1431         stype = item->stype;
1432         if (stype == F_NORMAL) {
1433                 if (folder_has_parent_of_type(item, F_TRASH))
1434                         stype = F_TRASH;
1435                 else if (folder_has_parent_of_type(item, F_DRAFT))
1436                         stype = F_DRAFT;
1437                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1438                         stype = F_OUTBOX;
1439                 else if (folder_has_parent_of_type(item, F_QUEUE))
1440                         stype = F_QUEUE;
1441         }
1442         switch (stype) {
1443         case F_INBOX:
1444                 if (item->hide_read_msgs) {
1445                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1446                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1447                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1448                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1449                 } else {
1450                         xpm = mark?m_inboxxpm:inboxxpm;
1451                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1452                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1453                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1454                 }
1455                 break;
1456         case F_OUTBOX:
1457                 if (item->hide_read_msgs) {
1458                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1459                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1460                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1461                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1462                 } else {
1463                         xpm = mark?m_outboxxpm:outboxxpm;
1464                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1465                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1466                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1467                 }
1468                 break;
1469         case F_QUEUE:
1470                 if (item->hide_read_msgs) {
1471                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1472                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1473                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1474                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1475                 } else {
1476                         xpm = mark?m_queuexpm:queuexpm;
1477                         mask = mark?m_queuexpmmask:queuexpmmask;
1478                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1479                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1480                 }
1481                 break;
1482         case F_TRASH:
1483                 if (item->hide_read_msgs) {
1484                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1485                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1486                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1487                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1488                 } else {
1489                         xpm = mark?m_trashxpm:trashxpm;
1490                         mask = mark?m_trashxpmmask:trashxpmmask;
1491                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1492                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1493                 }
1494                 break;
1495         case F_DRAFT:
1496                 xpm = mark?m_draftsxpm:draftsxpm;
1497                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1498                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1499                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1500                 break;
1501         default:
1502                 if (item->hide_read_msgs) {
1503                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1504                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1505                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1506                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1507                 } else {
1508                         xpm = mark?m_folderxpm:folderxpm;
1509                         mask = mark?m_folderxpmmask:folderxpmmask;
1510                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1511                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1512                 }
1513         }
1514
1515         if (item->no_select) {
1516                 xpm = openxpm = noselectxpm;
1517                 mask = openmask = noselectxpmmask;
1518         }
1519
1520         name = folder_item_get_name(item);
1521
1522         if (!GTK_CTREE_ROW(node)->expanded) {
1523                 add_unread_mark = folderview_have_unread_children(
1524                                         folderview, item);
1525                 add_sub_match_mark = folderview_have_matching_children(
1526                                         folderview, item);
1527         } else {
1528                 add_unread_mark = FALSE;
1529                 add_sub_match_mark = FALSE;
1530         }
1531
1532         if (item->search_match) {
1533                 if (!searchicon) {
1534                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1535                          &searchicon, &searchmask);
1536                 }
1537                 xpm = openxpm = searchicon;
1538                 mask = openmask = searchmask;
1539         }
1540
1541         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0 &&
1542             prefs_common.display_folder_unread) {
1543                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1544                                       add_unread_mark ? "+" : "");
1545                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1546                                         xpm, mask, openxpm, openmask,
1547                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1548                 g_free(str);
1549         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1550                     prefs_common.display_folder_unread)
1551                    || add_sub_match_mark) {
1552
1553                 if (item->unread_msgs > 0)
1554                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1555                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1556                                               item->unreadmarked_msgs > 0 ? "!":"");
1557                 else
1558                         str = g_strdup_printf("%s (+)", name);
1559                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1560                                         xpm, mask, openxpm, openmask,
1561                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1562                 g_free(str);
1563         } else {
1564                 str = g_strdup_printf("%s%s", name,
1565                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1566
1567                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1568                                         xpm, mask, openxpm, openmask,
1569                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1570                 g_free(str);
1571         }
1572         g_free(name);
1573
1574         if (!folder_item_parent(item)) {
1575                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1576                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1577                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1578         } else {
1579                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    itos(item->new_msgs));
1580                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], itos(item->unread_msgs));
1581                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  itos(item->total_msgs));
1582         }
1583
1584         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1585             folder_has_parent_of_type(item, F_DRAFT) ||
1586             folder_has_parent_of_type(item, F_TRASH)) {
1587                 use_bold = use_color = FALSE;
1588         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1589                 /* highlight queue folder if there are any messages */
1590                 use_bold = use_color = (item->total_msgs > 0);
1591         } else {
1592                 /* if unread messages exist, print with bold font */
1593                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1594                                 || add_unread_mark;
1595                 /* if new messages exist, print with colored letter */
1596                 use_color =
1597                         (item->new_msgs > 0) ||
1598                         (add_unread_mark &&
1599                          folderview_have_new_children(folderview, item));
1600         }
1601
1602         gtk_ctree_node_set_foreground(ctree, node, NULL);
1603
1604         if (use_bold) {
1605                 GdkColor gdk_color;
1606
1607                 if (item->prefs->color > 0 && !use_color) {
1608                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1609                         color_style = gtk_style_copy(bold_style);
1610                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1611                         style = color_style;
1612                 } else if (use_color) {
1613                         style = bold_color_style;
1614                 } else
1615                         style = bold_style;
1616                 if (item->op_count > 0) {
1617                         style = bold_tgtfold_style;
1618                 }
1619         } else if (use_color) {
1620                 style = normal_color_style;
1621                 gtk_ctree_node_set_foreground(ctree, node,
1622                                               &folderview->color_new);
1623         } else if (item->op_count > 0) {
1624                 style = bold_tgtfold_style;
1625         } else if (item->prefs->color > 0) {
1626                 GdkColor gdk_color;
1627                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1628                 color_style = gtk_style_copy(normal_style);
1629                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1630                 style = color_style;
1631         } else {
1632                 style = normal_style;
1633         }
1634
1635         gtk_ctree_node_set_row_style(ctree, node, style);
1636
1637         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1638                 folderview_update_node(folderview, node);
1639 }
1640
1641 #if !CLAWS /* keep it here for syncs */
1642 void folderview_update_item(FolderItem *item, gboolean update_summary)
1643 {
1644         GList *list;
1645         FolderView *folderview;
1646         GtkCTree *ctree;
1647         GtkCTreeNode *node;
1648
1649         g_return_if_fail(item != NULL);
1650
1651         for (list = folderview_list; list != NULL; list = list->next) {
1652                 folderview = (FolderView *)list->data;
1653                 ctree = GTK_CTREE(folderview->ctree);
1654
1655                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1656                 if (node) {
1657                         folderview_update_node(folderview, node);
1658                         if (update_summary && folderview->opened == node)
1659                                 summary_show(folderview->summaryview,
1660                                              item, FALSE);
1661                 }
1662         }
1663 }
1664 #endif
1665
1666 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1667 {
1668         GList *list;
1669         FolderView *folderview;
1670         GtkCTree *ctree;
1671         GtkCTreeNode *node;
1672
1673         g_return_if_fail(item != NULL);
1674
1675         for (list = folderview_list; list != NULL; list = list->next) {
1676                 folderview = (FolderView *)list->data;
1677                 ctree = GTK_CTREE(folderview->ctree);
1678
1679                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1680                 if (node) {
1681                         item->search_match = matches;
1682                         folderview_update_node(folderview, node);
1683                 }
1684         }
1685 }
1686
1687 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1688 {
1689         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1690         FolderView *folderview = (FolderView *)data;
1691         GtkCTree *ctree;
1692         GtkCTreeNode *node;
1693         g_return_val_if_fail(update_info != NULL, TRUE);
1694         g_return_val_if_fail(update_info->item != NULL, TRUE);
1695         g_return_val_if_fail(folderview != NULL, FALSE);
1696
1697         ctree = GTK_CTREE(folderview->ctree);
1698
1699         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1700         if (node) {
1701                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1702                         folderview_update_node(folderview, node);
1703                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1704                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1705                                 summary_show(folderview->summaryview, update_info->item);
1706         }
1707
1708         return FALSE;
1709 }
1710
1711 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1712                                                 gpointer data)
1713 {
1714         /* CLAWS: share this joy with other hook functions ... */
1715         folder_item_update((FolderItem *)key,
1716                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1717 }
1718
1719 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1720 {
1721         GList *list;
1722         FolderItemUpdateFlags flags;
1723
1724         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1725                 : 0;
1726         for (list = folderview_list; list != NULL; list = list->next)
1727                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1728                                      GINT_TO_POINTER(flags));
1729 }
1730
1731 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1732                                       GNode *gnode, GtkCTreeNode *cnode,
1733                                       gpointer data)
1734 {
1735         FolderView *folderview = (FolderView *)data;
1736         FolderItem *item = FOLDER_ITEM(gnode->data);
1737
1738         g_return_val_if_fail(item != NULL, FALSE);
1739
1740         gtk_ctree_node_set_row_data(ctree, cnode, item);
1741         folderview_update_node(folderview, cnode);
1742
1743         return TRUE;
1744 }
1745
1746 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1747                                    gpointer data)
1748 {
1749         FolderView *folderview = (FolderView *)data;
1750         FolderItem *item;
1751
1752         if (GTK_CTREE_ROW(node)->children) {
1753                 item = gtk_ctree_node_get_row_data(ctree, node);
1754                 g_return_if_fail(item != NULL);
1755
1756                 if (!item->collapsed)
1757                         gtk_ctree_expand(ctree, node);
1758                 else
1759                         folderview_update_node(folderview, node);
1760         }
1761 }
1762
1763 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1764                                GtkCTreeNode *root, GtkCTreeNode **prev)
1765 {
1766         if (item) {
1767                 GtkCTreeNode *node, *parent, *sibling;
1768
1769                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1770                 if (!node)
1771                         g_warning("%s not found.\n", item->path);
1772                 else {
1773                         parent = GTK_CTREE_ROW(node)->parent;
1774                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1775                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1776                         else
1777                                 sibling = GTK_CTREE_ROW(parent)->children;
1778                         while (sibling) {
1779                                 FolderItem *tmp;
1780
1781                                 tmp = gtk_ctree_node_get_row_data
1782                                         (ctree, sibling);
1783                                 if (tmp->stype != F_NORMAL)
1784                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1785                                 else
1786                                         break;
1787                         }
1788                         if (node != sibling)
1789                                 gtk_ctree_move(ctree, node, parent, sibling);
1790                 }
1791
1792                 *prev = node;
1793         }
1794 }
1795
1796 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1797                                     Folder *folder)
1798 {
1799         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1800         GtkCTreeNode *prev = NULL;
1801
1802         gtk_clist_freeze(GTK_CLIST(ctree));
1803         gtk_sctree_sort_recursive(ctree, root);
1804         if (root && GTK_CTREE_ROW(root)->parent) {
1805                 gtk_clist_thaw(GTK_CLIST(ctree));
1806                 return;
1807         }
1808         set_special_folder(ctree, folder->inbox, root, &prev);
1809         set_special_folder(ctree, folder->outbox, root, &prev);
1810         set_special_folder(ctree, folder->draft, root, &prev);
1811         set_special_folder(ctree, folder->queue, root, &prev);
1812         set_special_folder(ctree, folder->trash, root, &prev);
1813         gtk_clist_thaw(GTK_CLIST(ctree));
1814 }
1815
1816 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1817 {
1818         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1819         GtkCTreeNode *root;
1820
1821         g_return_if_fail(folder != NULL);
1822
1823         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1824                                       folderview_gnode_func, folderview);
1825         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1826                                 folderview);
1827         folderview_sort_folders(folderview, root, folder);
1828 }
1829
1830 /* callback functions */
1831 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1832                                 GdkEventButton *event)
1833 {
1834         GtkCList *clist = GTK_CLIST(folderview->ctree);
1835         FolderItem *item;
1836         Folder *folder;
1837         FolderViewPopup *fpopup;
1838         GtkItemFactory *fpopup_factory;
1839         GtkWidget *popup;
1840         FolderItem *special_trash = NULL, *special_queue = NULL;
1841         PrefsAccount *ac;
1842
1843         if (row > 0)
1844                 item = gtk_clist_get_row_data(clist, row);
1845         else
1846                 item = folderview_get_selected_item(folderview);
1847
1848         g_return_if_fail(item != NULL);
1849         g_return_if_fail(item->folder != NULL);
1850         folder = item->folder;
1851
1852         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1853         if (fpopup != NULL)
1854                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1855         else {
1856                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1857                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1858         }
1859
1860         if (fpopup->set_sensitivity != NULL)
1861                 fpopup->set_sensitivity(fpopup_factory, item);
1862
1863         if (NULL != (ac = account_find_from_item(item))) {
1864                 special_trash = account_get_special_folder(ac, F_TRASH);
1865                 special_queue = account_get_special_folder(ac, F_QUEUE);
1866         }
1867
1868         if ((item == folder->trash || item == special_trash
1869              || folder_has_parent_of_type(item, F_TRASH)) &&
1870             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1871                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1872                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1873         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1874                 && !folder_has_parent_of_type(item, F_TRASH)) {
1875                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1876                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1877         }
1878
1879         if ((item == folder->queue || item == special_queue
1880              || folder_has_parent_of_type(item, F_QUEUE)) &&
1881             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1882                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1883                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1884         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1885                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1886                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1887                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1888         }
1889
1890 #define SET_SENS(name, sens) \
1891         menu_set_sensitive(fpopup_factory, name, sens)
1892
1893         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1894         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1895                  folderview->selected == folderview->opened);
1896         SET_SENS("/Properties...", TRUE);
1897         SET_SENS("/Processing...", item->node->parent != NULL);
1898         if (item == folder->trash || item == special_trash
1899             || folder_has_parent_of_type(item, F_TRASH)) {
1900                 GSList *msglist = folder_item_get_msg_list(item);
1901                 SET_SENS("/Empty trash...", msglist != NULL);
1902                 procmsg_msg_list_free(msglist);
1903         }
1904         if (item == folder->queue || item == special_queue
1905             || folder_has_parent_of_type(item, F_QUEUE)) {
1906                 GSList *msglist = folder_item_get_msg_list(item);
1907                 SET_SENS("/Send queue...", msglist != NULL);
1908                 procmsg_msg_list_free(msglist);
1909         }
1910 #undef SET_SENS
1911
1912         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1913         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1914                        event->button, event->time);
1915
1916
1917 }
1918
1919 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1920                                           FolderView *folderview)
1921 {
1922         GtkCList *clist = GTK_CLIST(ctree);
1923         gint prev_row = -1, row = -1, column = -1;
1924
1925         if (!event) return FALSE;
1926
1927         if (event->button == 1 || event->button == 2) {
1928                 folderview->open_folder = TRUE;
1929
1930                 if (event->type == GDK_2BUTTON_PRESS) {
1931                         if (clist->selection) {
1932                                 GtkCTreeNode *node;
1933
1934                                 node = GTK_CTREE_NODE(clist->selection->data);
1935                                 if (node)
1936                                         gtk_ctree_toggle_expansion(
1937                                                 GTK_CTREE(ctree),
1938                                                 node);
1939                         }
1940                 }
1941                 return FALSE;
1942         }
1943
1944         if (event->button == 2 || event->button == 3) {
1945                 /* right clicked */
1946                 if (clist->selection) {
1947                         GtkCTreeNode *node;
1948
1949                         node = GTK_CTREE_NODE(clist->selection->data);
1950                         if (node)
1951                                 prev_row = gtkut_ctree_get_nth_from_node
1952                                         (GTK_CTREE(ctree), node);
1953                 }
1954
1955                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1956                                                   &row, &column))
1957                         return FALSE;
1958                 if (prev_row != row) {
1959                         gtk_clist_unselect_all(clist);
1960                         if (event->button == 2)
1961                                 folderview_select_node
1962                                         (folderview,
1963                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1964                                                             row));
1965                         else
1966                                 gtk_clist_select_row(clist, row, column);
1967                 }
1968         }
1969
1970         if (event->button != 3) return FALSE;
1971
1972         folderview_set_sens_and_popup_menu(folderview, row, event);
1973         return FALSE;
1974 }
1975
1976 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1977                                            FolderView *folderview)
1978 {
1979         if (!event) return FALSE;
1980
1981         if (event->button == 1 && folderview->open_folder == FALSE &&
1982             folderview->opened != NULL) {
1983                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1984                                           folderview->opened);
1985                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1986         }
1987
1988         return FALSE;
1989 }
1990
1991 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1992                                        FolderView *folderview)
1993 {
1994         if (!event) return FALSE;
1995
1996         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1997                 return FALSE;
1998
1999         switch (event->keyval) {
2000         case GDK_Return:
2001                 if (folderview->selected) {
2002                         folderview_select_node(folderview,
2003                                                folderview->selected);
2004                 }
2005                 break;
2006         case GDK_space:
2007                 if (folderview->selected) {
2008                         if (folderview->opened == folderview->selected &&
2009                             (!folderview->summaryview->folder_item ||
2010                              folderview->summaryview->folder_item->total_msgs == 0))
2011                                 folderview_select_next_unread(folderview, TRUE);
2012                         else
2013                                 folderview_select_node(folderview,
2014                                                        folderview->selected);
2015                 }
2016                 break;
2017         default:
2018                 break;
2019         }
2020
2021         return FALSE;
2022 }
2023
2024 typedef struct _PostponedSelectData
2025 {
2026         GtkCTree *ctree;
2027         GtkCTreeNode *row;
2028         gint column;
2029         FolderView *folderview;
2030 } PostponedSelectData;
2031
2032 static gboolean postpone_select(void *data)
2033 {
2034         PostponedSelectData *psdata = (PostponedSelectData *)data;
2035         debug_print("trying again\n");
2036         psdata->folderview->open_folder = TRUE;
2037         main_window_cursor_normal(psdata->folderview->mainwin);
2038         STATUSBAR_POP(psdata->folderview->mainwin);
2039         folderview_selected(psdata->ctree, psdata->row,
2040                             psdata->column, psdata->folderview);
2041         g_free(psdata);
2042         return FALSE;
2043 }
2044
2045 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2046                                 gint column, FolderView *folderview)
2047 {
2048         static gboolean can_select = TRUE;      /* exclusive lock */
2049         gboolean opened;
2050         FolderItem *item;
2051         gchar *buf;
2052         int res = 0;
2053         START_TIMING("--- folderview_selected");
2054         folderview->selected = row;
2055
2056         if (folderview->opened == row) {
2057                 folderview->open_folder = FALSE;
2058                 END_TIMING();
2059                 return;
2060         }
2061
2062         if (!can_select || summary_is_locked(folderview->summaryview)) {
2063                 if (folderview->opened) {
2064                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2065                         gtk_ctree_select(ctree, folderview->opened);
2066                 }
2067                 END_TIMING();
2068                 return;
2069         }
2070
2071         if (!folderview->open_folder) {
2072                 END_TIMING();
2073                 return;
2074         }
2075         item = gtk_ctree_node_get_row_data(ctree, row);
2076         if (!item || item->no_select) {
2077                 END_TIMING();
2078                 return;
2079         }
2080
2081         can_select = FALSE;
2082
2083         /* Save cache for old folder */
2084         /* We don't want to lose all caches if sylpheed crashed */
2085         if (folderview->opened) {
2086                 FolderItem *olditem;
2087
2088                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
2089                 if (olditem) {
2090                         buf = g_strdup_printf(_("Closing Folder %s..."),
2091                                 olditem->path ? olditem->path:olditem->name);
2092                         /* will be null if we just moved the previously opened folder */
2093                         STATUSBAR_PUSH(folderview->mainwin, buf);
2094                         main_window_cursor_wait(folderview->mainwin);
2095                         g_free(buf);
2096                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2097                         summary_show(folderview->summaryview, NULL);
2098                         folder_item_close(olditem);
2099                         main_window_cursor_normal(folderview->mainwin);
2100                         STATUSBAR_POP(folderview->mainwin);
2101                 }
2102         }
2103
2104         /* CLAWS: set compose button type: news folder items
2105          * always have a news folder as parent */
2106         if (item->folder)
2107                 toolbar_set_compose_button
2108                         (folderview->mainwin->toolbar,
2109                          FOLDER_TYPE(item->folder) == F_NEWS ?
2110                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2111
2112         if (item->path)
2113                 debug_print("Folder %s is selected\n", item->path);
2114
2115         if (!GTK_CTREE_ROW(row)->children)
2116                 gtk_ctree_expand(ctree, row);
2117         if (folderview->opened &&
2118             !GTK_CTREE_ROW(folderview->opened)->children)
2119                 gtk_ctree_collapse(ctree, folderview->opened);
2120
2121         /* ungrab the mouse event */
2122         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2123                 gtk_grab_remove(GTK_WIDGET(ctree));
2124                 if (gdk_pointer_is_grabbed())
2125                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2126         }
2127
2128         /* Open Folder */
2129         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2130                                         item->path : "(null)");
2131         debug_print("%s\n", buf);
2132         STATUSBAR_PUSH(folderview->mainwin, buf);
2133         g_free(buf);
2134
2135         main_window_cursor_wait(folderview->mainwin);
2136
2137         res = folder_item_open(item);
2138         if (res == -1) {
2139                 main_window_cursor_normal(folderview->mainwin);
2140                 STATUSBAR_POP(folderview->mainwin);
2141
2142                 alertpanel_error(_("Folder could not be opened."));
2143
2144                 folderview->open_folder = FALSE;
2145                 can_select = TRUE;
2146                 END_TIMING();
2147                 return;
2148         } else if (res == -2) {
2149                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2150                 data->ctree = ctree;
2151                 data->row = row;
2152                 data->column = column;
2153                 data->folderview = folderview;
2154                 debug_print("postponing open of %s till end of scan\n",
2155                         item->path ? item->path:item->name);
2156                 folderview->open_folder = FALSE;
2157                 can_select = TRUE;
2158                 g_timeout_add(500, postpone_select, data);
2159                 END_TIMING();
2160                 return;
2161         }
2162
2163         main_window_cursor_normal(folderview->mainwin);
2164
2165         /* Show messages */
2166         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2167         opened = summary_show(folderview->summaryview, item);
2168
2169         folder_clean_cache_memory(item);
2170
2171         if (!opened) {
2172                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
2173                 gtk_ctree_select(ctree, folderview->opened);
2174         } else {
2175                 folderview->opened = row;
2176                 if (gtk_ctree_node_is_visible(ctree, row)
2177                     != GTK_VISIBILITY_FULL)
2178                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2179         }
2180
2181         STATUSBAR_POP(folderview->mainwin);
2182
2183         folderview->open_folder = FALSE;
2184         can_select = TRUE;
2185         END_TIMING();
2186 }
2187
2188 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2189                                      FolderView *folderview)
2190 {
2191         FolderItem *item;
2192
2193         item = gtk_ctree_node_get_row_data(ctree, node);
2194         g_return_if_fail(item != NULL);
2195         item->collapsed = FALSE;
2196         folderview_update_node(folderview, node);
2197 }
2198
2199 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2200                                       FolderView *folderview)
2201 {
2202         FolderItem *item;
2203
2204         item = gtk_ctree_node_get_row_data(ctree, node);
2205         g_return_if_fail(item != NULL);
2206         item->collapsed = TRUE;
2207         folderview_update_node(folderview, node);
2208 }
2209
2210 static void folderview_popup_close(GtkMenuShell *menu_shell,
2211                                    FolderView *folderview)
2212 {
2213         if (!folderview->opened) return;
2214
2215         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2216 }
2217
2218 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2219                                    FolderView *folderview)
2220 {
2221         FolderColumnType type = folderview->col_state[column].type;
2222
2223         prefs_common.folder_col_size[type] = width;
2224 }
2225
2226 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2227 {
2228         GNode *srcnode;
2229
2230         folderview_create_folder_node(folderview, item);
2231
2232         if (!item || !item->folder || !item->folder->node)
2233                 return;
2234
2235         srcnode = item->folder->node;
2236         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2237         srcnode = srcnode->children;
2238         while (srcnode != NULL) {
2239                 if (srcnode && srcnode->data) {
2240                         FolderItem *next_item = (FolderItem*) srcnode->data;
2241                         folderview_create_folder_node_recursive(folderview, next_item);
2242                 }
2243                 srcnode = srcnode->next;
2244         }
2245 }
2246
2247 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2248 {
2249         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2250         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2251         GtkCTreeNode *node, *parent_node;
2252         gint *col_pos = folderview->col_pos;
2253         FolderItemUpdateData hookdata;
2254
2255         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2256         if (parent_node == NULL)
2257                 return;
2258
2259         gtk_clist_freeze(GTK_CLIST(ctree));
2260
2261         text[col_pos[F_COL_FOLDER]] = item->name;
2262         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2263                                      FOLDER_SPACING,
2264                                      folderxpm, folderxpmmask,
2265                                      folderopenxpm, folderopenxpmmask,
2266                                      FALSE, FALSE);
2267         gtk_ctree_expand(ctree, parent_node);
2268         gtk_ctree_node_set_row_data(ctree, node, item);
2269         if (normal_style)
2270                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2271         folderview_sort_folders(folderview, parent_node, item->folder);
2272
2273         hookdata.item = item;
2274         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2275         hookdata.msg = NULL;
2276         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2277
2278         gtk_clist_thaw(GTK_CLIST(ctree));
2279 }
2280
2281 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2282                                       GtkWidget *widget)
2283 {
2284         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2285         FolderItem *item;
2286         GSList *mlist = NULL;
2287         GSList *cur = NULL;
2288         FolderItem *special_trash = NULL;
2289         PrefsAccount *ac;
2290
2291         if (!folderview->selected) return;
2292         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2293         g_return_if_fail(item != NULL);
2294         g_return_if_fail(item->folder != NULL);
2295
2296         if (NULL != (ac = account_find_from_item(item)))
2297                 special_trash = account_get_special_folder(ac, F_TRASH);
2298
2299         if (item != item->folder->trash && item != special_trash
2300         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2301
2302         if (prefs_common.ask_on_clean) {
2303                 if (alertpanel(_("Empty trash"),
2304                                _("Delete all messages in trash?"),
2305                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2306                         return;
2307         }
2308
2309         mlist = folder_item_get_msg_list(item);
2310
2311         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2312                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2313                 if (MSG_IS_LOCKED(msginfo->flags))
2314                         continue;
2315                 /* is it partially received? (partial_recv isn't cached) */
2316                 if (msginfo->total_size != 0 &&
2317                     msginfo->size != (off_t)msginfo->total_size)
2318                         partial_mark_for_delete(msginfo);
2319         }
2320         procmsg_msg_list_free(mlist);
2321
2322         folder_item_remove_all_msg(item);
2323 }
2324
2325 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2326                                       GtkWidget *widget)
2327 {
2328         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2329         FolderItem *item;
2330         FolderItem *special_queue = NULL;
2331         PrefsAccount *ac;
2332         gchar *errstr = NULL;
2333
2334         if (!folderview->selected) return;
2335         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2336         g_return_if_fail(item != NULL);
2337         g_return_if_fail(item->folder != NULL);
2338
2339         if (NULL != (ac = account_find_from_item(item)))
2340                 special_queue = account_get_special_folder(ac, F_QUEUE);
2341
2342         if (item != item->folder->queue && item != special_queue
2343         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2344
2345         if (procmsg_queue_is_empty(item))
2346                 return;
2347
2348         if (prefs_common.work_offline)
2349                 if (alertpanel(_("Offline warning"),
2350                                _("You're working offline. Override?"),
2351                                GTK_STOCK_NO, GTK_STOCK_YES,
2352                                NULL) != G_ALERTALTERNATE)
2353                 return;
2354
2355         /* ask for confirmation before sending queued messages only
2356            in online mode and if there is at least one message queued
2357            in any of the folder queue
2358         */
2359         if (prefs_common.confirm_send_queued_messages) {
2360                 if (!prefs_common.work_offline) {
2361                         if (alertpanel(_("Send queued messages"),
2362                                    _("Send all queued messages?"),
2363                                    GTK_STOCK_CANCEL, _("_Send"),
2364                                    NULL) != G_ALERTALTERNATE)
2365                                 return;
2366                 }
2367         }
2368
2369         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2370                 if (!errstr)
2371                         alertpanel_error_log(_("Some errors occurred while "
2372                                            "sending queued messages."));
2373                 else {
2374                         gchar *tmp = g_strdup_printf(_("Some errors occurred "
2375                                         "while sending queued messages:\n%s"), errstr);
2376                         g_free(errstr);
2377                         alertpanel_error_log(tmp);
2378                         g_free(tmp);
2379                 }
2380         }
2381 }
2382
2383 static void folderview_search_cb(FolderView *folderview, guint action,
2384                                  GtkWidget *widget)
2385 {
2386         summary_search(folderview->summaryview);
2387 }
2388
2389 static void folderview_property_cb(FolderView *folderview, guint action,
2390                                    GtkWidget *widget)
2391 {
2392         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2393         FolderItem *item;
2394
2395         if (!folderview->selected) return;
2396
2397         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2398         g_return_if_fail(item != NULL);
2399         g_return_if_fail(item->folder != NULL);
2400
2401         prefs_folder_item_open(item);
2402 }
2403
2404 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2405 {
2406         GSList *list = NULL;
2407         GSList *done = NULL;
2408         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2409
2410         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2411                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2412                 &&  list->data != node) {
2413                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2414                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2415                 }
2416         }
2417         for (list = done; list != NULL; list = g_slist_next(list)) {
2418                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2419                                                                  list->data);
2420         }
2421         g_slist_free(done);
2422 }
2423
2424 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2425                             FolderItem *to_folder)
2426 {
2427         FolderItem *from_parent = NULL;
2428         FolderItem *new_folder = NULL;
2429         GtkCTreeNode *src_node = NULL;
2430         gchar *buf;
2431         gint status;
2432
2433         g_return_if_fail(folderview != NULL);
2434         g_return_if_fail(from_folder != NULL);
2435         g_return_if_fail(to_folder != NULL);
2436
2437         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2438         from_parent = folder_item_parent(from_folder);
2439
2440         if (prefs_common.warn_dnd) {
2441                 buf = g_strdup_printf(_("Do you really want to make folder '%s' a "
2442                                         "sub-folder of '%s' ?"), from_folder->name,
2443                                         to_folder->name);
2444                 status = alertpanel_full(_("Move folder"), buf,
2445                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2446                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2447                 g_free(buf);
2448
2449                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2450                         return;
2451                 else if (status & G_ALERTDISABLE)
2452                         prefs_common.warn_dnd = FALSE;
2453         }
2454
2455         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2456         STATUSBAR_PUSH(folderview->mainwin, buf);
2457         g_free(buf);
2458         summary_clear_all(folderview->summaryview);
2459         folderview->opened = NULL;
2460         folderview->selected = NULL;
2461         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2462         inc_lock();
2463         main_window_cursor_wait(folderview->mainwin);
2464         statusbar_verbosity_set(TRUE);
2465         folder_item_update_freeze();
2466         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2467                 statusbar_verbosity_set(FALSE);
2468                 main_window_cursor_normal(folderview->mainwin);
2469                 STATUSBAR_POP(folderview->mainwin);
2470                 folder_item_update_thaw();
2471                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2472
2473                 folderview_sort_folders(folderview,
2474                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2475                                 NULL, to_folder), new_folder->folder);
2476                 folderview_select(folderview, new_folder);
2477         } else {
2478                 statusbar_verbosity_set(FALSE);
2479                 main_window_cursor_normal(folderview->mainwin);
2480                 STATUSBAR_POP(folderview->mainwin);
2481                 folder_item_update_thaw();
2482                 switch (status) {
2483                 case F_MOVE_FAILED_DEST_IS_PARENT:
2484                         alertpanel_error(_("Source and destination are the same."));
2485                         break;
2486                 case F_MOVE_FAILED_DEST_IS_CHILD:
2487                         alertpanel_error(_("Can't move a folder to one of its children."));
2488                         break;
2489                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2490                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2491                         break;
2492                 default:
2493                         alertpanel_error(_("Move failed!"));
2494                         break;
2495                 }
2496         }
2497         inc_unlock();
2498         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2499 }
2500
2501 static gint folderview_clist_compare(GtkCList *clist,
2502                                      gconstpointer ptr1, gconstpointer ptr2)
2503 {
2504         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2505         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2506
2507         if (!item1->name)
2508                 return (item2->name != NULL);
2509         if (!item2->name)
2510                 return -1;
2511
2512         return g_utf8_collate(item1->name, item2->name);
2513 }
2514
2515 static void folderview_processing_cb(FolderView *folderview, guint action,
2516                                      GtkWidget *widget)
2517 {
2518         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2519         FolderItem *item;
2520         gchar *id, *title;
2521
2522         if (!folderview->selected) return;
2523
2524         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2525         g_return_if_fail(item != NULL);
2526         g_return_if_fail(item->folder != NULL);
2527
2528         id = folder_item_get_identifier(item);
2529         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2530         g_free (id);
2531
2532         prefs_filtering_open(&item->prefs->processing, title,
2533                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2534         g_free (title);
2535 }
2536
2537 void folderview_set_target_folder_color(gint color_op)
2538 {
2539         gint firstone = 1;
2540         GList *list;
2541         FolderView *folderview;
2542
2543         for (list = folderview_list; list != NULL; list = list->next) {
2544                 folderview = (FolderView *)list->data;
2545                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2546                 if (firstone) {
2547                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2548                                 folderview->color_op;
2549                         firstone = 0;
2550                 }
2551         }
2552 }
2553
2554 static gchar *last_font = NULL;
2555 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2556 {
2557         /* force reinit */
2558         g_free(last_font);
2559         last_font = NULL;
2560
2561 }
2562
2563 void folderview_reflect_prefs(void)
2564 {
2565         gboolean update_font = TRUE;
2566         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2567         FolderItem *item = folderview_get_selected_item(folderview);
2568         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2569                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2570         gint height = pos->value;
2571
2572         if (last_font && !strcmp(last_font, NORMAL_FONT))
2573                 update_font = FALSE;
2574
2575         g_free(last_font);
2576         last_font = g_strdup(NORMAL_FONT);
2577
2578         if (update_font) {
2579                 normal_style = normal_color_style = bold_style =
2580                         bold_color_style = bold_tgtfold_style = NULL;
2581
2582                 folderview_init(folderview);
2583         }
2584         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2585         folderview_column_set_titles(folderview);
2586         folderview_set_all();
2587
2588         g_signal_handlers_block_by_func
2589                 (G_OBJECT(folderview->ctree),
2590                  G_CALLBACK(folderview_selected), folderview);
2591
2592         if (item) {
2593                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2594                         GTK_CTREE(folderview->ctree), NULL, item);
2595
2596                 folderview_select(folderview, item);
2597                 folderview->selected = node;
2598         }
2599
2600         g_signal_handlers_unblock_by_func
2601                 (G_OBJECT(folderview->ctree),
2602                  G_CALLBACK(folderview_selected), folderview);
2603
2604         pos = gtk_scrolled_window_get_vadjustment(
2605                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2606         gtk_adjustment_set_value(pos, height);
2607         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2608 }
2609
2610 static void drag_state_stop(FolderView *folderview)
2611 {
2612         if (folderview->drag_timer)
2613                 gtk_timeout_remove(folderview->drag_timer);
2614         folderview->drag_timer = 0;
2615         folderview->drag_node = NULL;
2616 }
2617
2618 static gint folderview_defer_expand(FolderView *folderview)
2619 {
2620         if (folderview->drag_node) {
2621                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2622                 if (folderview->drag_item->collapsed) {
2623                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2624                         folderview->nodes_to_recollapse = g_slist_append
2625                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2626                 }
2627         }
2628         folderview->drag_item  = NULL;
2629         folderview->drag_timer = 0;
2630         return FALSE;
2631 }
2632
2633 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2634 {
2635         /* the idea is that we call drag_state_start() whenever we want expansion to
2636          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2637          * we need to call drag_state_stop() */
2638         drag_state_stop(folderview);
2639         /* request expansion */
2640         if (0 != (folderview->drag_timer = gtk_timeout_add
2641                         (prefs_common.hover_timeout,
2642                          (GtkFunction)folderview_defer_expand,
2643                          folderview))) {
2644                 folderview->drag_node = node;
2645                 folderview->drag_item = item;
2646         }
2647 }
2648
2649 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2650                                   FolderView       *folderview)
2651 {
2652         GdkDragContext *context;
2653
2654         g_return_if_fail(folderview != NULL);
2655         if (folderview->selected == NULL) return;
2656         if (folderview->nodes_to_recollapse)
2657                 g_slist_free(folderview->nodes_to_recollapse);
2658         folderview->nodes_to_recollapse = NULL;
2659         context = gtk_drag_begin(widget, folderview->target_list,
2660                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2661         gtk_drag_set_icon_default(context);
2662 }
2663
2664 static void folderview_drag_data_get(GtkWidget        *widget,
2665                                      GdkDragContext   *drag_context,
2666                                      GtkSelectionData *selection_data,
2667                                      guint             info,
2668                                      guint             time,
2669                                      FolderView       *folderview)
2670 {
2671         FolderItem *item;
2672         GList *cur;
2673         gchar *source = NULL;
2674         if (info == TARGET_DUMMY) {
2675                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2676                      cur != NULL; cur = cur->next) {
2677                         item = gtk_ctree_node_get_row_data
2678                                 (GTK_CTREE(folderview->ctree),
2679                                  GTK_CTREE_NODE(cur->data));
2680                         if (item) {
2681                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2682                                 gtk_selection_data_set(selection_data,
2683                                                        selection_data->target, 8,
2684                                                        source, strlen(source));
2685                                 break;
2686                         } else
2687                                 return;
2688                 }
2689         } else {
2690                 g_warning("unknown info %d\n", info);
2691         }
2692 }
2693
2694 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2695 {
2696         FolderUpdateData *hookdata;
2697         FolderView *folderview;
2698         GtkWidget *ctree;
2699
2700         hookdata = source;
2701         folderview = (FolderView *) userdata;
2702         g_return_val_if_fail(hookdata != NULL, FALSE);
2703         g_return_val_if_fail(folderview != NULL, FALSE);
2704
2705         ctree = folderview->ctree;
2706         g_return_val_if_fail(ctree != NULL, FALSE);
2707
2708         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2709                 folderview_create_folder_node(folderview, hookdata->item);
2710         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2711                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2712                                 NULL, folder_item_parent(hookdata->item));
2713                 folderview_sort_folders(folderview, node, hookdata->folder);
2714         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2715                 GtkCTreeNode *node;
2716
2717                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2718                 if (node != NULL)
2719                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2720         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2721                 folderview_set(folderview);
2722
2723         return FALSE;
2724 }
2725
2726 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2727                                           GdkDragContext *context,
2728                                           gint            x,
2729                                           gint            y,
2730                                           guint           time,
2731                                           FolderView     *folderview)
2732 {
2733         gint row, column;
2734         FolderItem *item = NULL, *src_item = NULL;
2735         GtkCTreeNode *node = NULL;
2736         gboolean acceptable = FALSE;
2737         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2738                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2739         int height = (int)pos->page_size;
2740         int total_height = (int)pos->upper;
2741         int vpos = (int) pos->value;
2742
2743         if (gtk_clist_get_selection_info
2744                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2745                 GtkWidget *srcwidget;
2746
2747                 if (y > height - 24 && height + vpos < total_height)
2748                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2749
2750                 if (y < 48 && y > 0)
2751                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2752
2753                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2754                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2755                 src_item = folderview->summaryview->folder_item;
2756
2757                 srcwidget = gtk_drag_get_source_widget(context);
2758                 if (srcwidget == folderview->summaryview->ctree) {
2759                         /* comes from summaryview */
2760                         /* we are copying messages, so only accept folder items that are not
2761                            the source item, are no root items and can copy messages */
2762                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2763                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2764                                 acceptable = TRUE;
2765                 } else if (srcwidget == folderview->ctree) {
2766                         /* comes from folderview */
2767                         /* we are moving folder items, only accept folders that are not
2768                            the source items and can copy messages and create folder items */
2769                         if (item && item->folder && src_item && src_item != item &&
2770                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2771                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2772                                 acceptable = TRUE;
2773                 } else {
2774                         /* comes from another app */
2775                         /* we are adding messages, so only accept folder items that are
2776                            no root items and can copy messages */
2777                         if (item && item->folder && folder_item_parent(item) != NULL
2778                             && FOLDER_CLASS(item->folder)->add_msg != NULL)
2779                                 acceptable = TRUE;
2780                 }
2781         }
2782
2783         if (acceptable || (src_item && src_item == item))
2784                 drag_state_start(folderview, node, item);
2785
2786         if (acceptable) {
2787                 g_signal_handlers_block_by_func
2788                         (G_OBJECT(widget),
2789                          G_CALLBACK(folderview_selected), folderview);
2790                 gtk_ctree_select(GTK_CTREE(widget), node);
2791                 g_signal_handlers_unblock_by_func
2792                         (G_OBJECT(widget),
2793                          G_CALLBACK(folderview_selected), folderview);
2794                 gdk_drag_status(context,
2795                                         (context->actions == GDK_ACTION_COPY ?
2796                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2797         } else {
2798                 if (folderview->opened)
2799                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2800                 gdk_drag_status(context, 0, time);
2801         }
2802
2803         return acceptable;
2804 }
2805
2806 static void folderview_drag_leave_cb(GtkWidget      *widget,
2807                                      GdkDragContext *context,
2808                                      guint           time,
2809                                      FolderView     *folderview)
2810 {
2811         drag_state_stop(folderview);
2812         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2813 }
2814
2815 static void free_info (gpointer stuff, gpointer data)
2816 {
2817         g_free(stuff);
2818 }
2819
2820 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2821                            guint time, FolderItem *item)
2822 {
2823         GList *list, *tmp;
2824         GSList *msglist = NULL;
2825         list = uri_list_extract_filenames(data);
2826         if (!(item && item->folder && folder_item_parent(item) != NULL
2827                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2828         {
2829                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2830                 return;
2831         }
2832         if (!list) {
2833                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2834                 return;
2835         }
2836         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2837                 MsgFileInfo *info = NULL;
2838
2839                 if (file_is_email((gchar *)tmp->data)) {
2840                         info = g_new0(MsgFileInfo, 1);
2841                         info->msginfo = NULL;
2842                         info->file = (gchar *)tmp->data;
2843                         msglist = g_slist_prepend(msglist, info);
2844                 }
2845         }
2846         if (msglist) {
2847                 msglist = g_slist_reverse(msglist);
2848                 folder_item_add_msgs(item, msglist, FALSE);
2849                 g_slist_foreach(msglist, free_info, NULL);
2850                 g_slist_free(msglist);
2851                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2852         } else {
2853                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2854         }
2855         list_free_strings(list);
2856         g_list_free(list);
2857 }
2858
2859 static void folderview_drag_received_cb(GtkWidget        *widget,
2860                                         GdkDragContext   *drag_context,
2861                                         gint              x,
2862                                         gint              y,
2863                                         GtkSelectionData *data,
2864                                         guint             info,
2865                                         guint             time,
2866                                         FolderView       *folderview)
2867 {
2868         gint row, column;
2869         FolderItem *item = NULL, *src_item;
2870         GtkCTreeNode *node;
2871
2872         if (info == TARGET_DUMMY) {
2873                 drag_state_stop(folderview);
2874                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2875                         /* comes from summaryview */
2876                         if (gtk_clist_get_selection_info
2877                                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2878                                 return;
2879
2880                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2881                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2882                         src_item = folderview->summaryview->folder_item;
2883
2884                         /* re-check (due to acceptable possibly set for folder moves */
2885                         if (!(item && item->folder && item->path && !item->no_select &&
2886                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2887                                 return;
2888                         }
2889                         if (item && src_item) {
2890                                 switch (drag_context->action) {
2891                                 case GDK_ACTION_COPY:
2892                                         summary_copy_selected_to(folderview->summaryview, item);
2893                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2894                                         break;
2895                                 case GDK_ACTION_MOVE:
2896                                 case GDK_ACTION_DEFAULT:
2897                                 default:
2898                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2899                                                 summary_copy_selected_to(folderview->summaryview, item);
2900                                         else
2901                                                 summary_move_selected_to(folderview->summaryview, item);
2902                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2903                                 }
2904                         } else
2905                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2906                 } else {
2907                         /* comes from folderview */
2908                         char *source;
2909                         gboolean folder_is_normal = TRUE;
2910
2911                         source = data->data + 17;
2912                         if (gtk_clist_get_selection_info
2913                             (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2914                             || *source == 0) {
2915                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2916                                 return;
2917                         }
2918                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2919                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2920                         src_item = folder_find_item_from_identifier(source);
2921
2922                         folder_is_normal =
2923                                 src_item != NULL &&
2924                                 src_item->stype == F_NORMAL &&
2925                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
2926                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
2927                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
2928                                 !folder_has_parent_of_type(src_item, F_TRASH);
2929                         if (!item || item->no_select || !src_item
2930                         ||  !folder_is_normal) {
2931                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2932                                 return;
2933                         }
2934
2935                         folderview_move_folder(folderview, src_item, item);
2936                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2937                 }
2938                 folderview->nodes_to_recollapse = NULL;
2939         } else if (info == TARGET_MAIL_URI_LIST) {
2940                 if (gtk_clist_get_selection_info
2941                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2942                         return;
2943
2944                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2945                 if (!node) {
2946                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2947                         return;
2948                 }
2949                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2950                 if (!item) {
2951                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2952                         return;
2953                 }
2954                 folderview_finish_dnd(data->data, drag_context, time, item);
2955         }
2956 }
2957
2958 static void folderview_drag_end_cb(GtkWidget        *widget,
2959                                    GdkDragContext   *drag_context,
2960                                    FolderView       *folderview)
2961 {
2962         drag_state_stop(folderview);
2963         g_slist_free(folderview->nodes_to_recollapse);
2964         folderview->nodes_to_recollapse = NULL;
2965 }
2966
2967 void folderview_register_popup(FolderViewPopup *fpopup)
2968 {
2969         GList *folderviews;
2970
2971         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2972                 FolderView *folderview = folderviews->data;
2973                 GtkItemFactory *factory;
2974
2975                 factory = create_ifactory(folderview, fpopup);
2976                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2977         }
2978         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2979 }
2980
2981 void folderview_unregister_popup(FolderViewPopup *fpopup)
2982 {
2983         GList *folderviews;
2984
2985         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2986                 FolderView *folderview = folderviews->data;
2987
2988                 g_hash_table_remove(folderview->popups, fpopup->klass);
2989         }
2990         g_hash_table_remove(folderview_popups, fpopup->klass);
2991 }