src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66 #include "prefs_folder_column.h"
  67 #include "filtering.h"
  68 #include "quicksearch.h"
  69 #include "manual.h"
  70 #include "timing.h"
  71 #include "log.h"
  72
  73 #define COL_FOLDER_WIDTH        150
  74 #define COL_NUM_WIDTH           32
  75
  76 static GList *folderview_list = NULL;
  77
  78 static GtkStyle *normal_style;
  79 static GtkStyle *normal_color_style;
  80 static GtkStyle *bold_style;
  81 static GtkStyle *bold_color_style;
  82 static GtkStyle *bold_tgtfold_style;
  83
  84 static GdkPixmap *inboxxpm;
  85 static GdkBitmap *inboxxpmmask;
  86 static GdkPixmap *inboxhrmxpm;
  87 static GdkBitmap *inboxhrmxpmmask;
  88 static GdkPixmap *inboxopenxpm;
  89 static GdkBitmap *inboxopenxpmmask;
  90 static GdkPixmap *inboxopenhrmxpm;
  91 static GdkBitmap *inboxopenhrmxpmmask;
  92 static GdkPixmap *outboxxpm;
  93 static GdkBitmap *outboxxpmmask;
  94 static GdkPixmap *outboxhrmxpm;
  95 static GdkBitmap *outboxhrmxpmmask;
  96 static GdkPixmap *outboxopenxpm;
  97 static GdkBitmap *outboxopenxpmmask;
  98 static GdkPixmap *outboxopenhrmxpm;
  99 static GdkBitmap *outboxopenhrmxpmmask;
 100 static GdkPixmap *folderxpm;
 101 static GdkBitmap *folderxpmmask;
 102 static GdkPixmap *folderhrmxpm;
 103 static GdkBitmap *folderhrmxpmmask;
 104 static GdkPixmap *folderopenxpm;
 105 static GdkBitmap *folderopenxpmmask;
 106 static GdkPixmap *folderopenhrmxpm;
 107 static GdkBitmap *folderopenhrmxpmmask;
 108 static GdkPixmap *trashopenxpm;
 109 static GdkBitmap *trashopenxpmmask;
 110 static GdkPixmap *trashopenhrmxpm;
 111 static GdkBitmap *trashopenhrmxpmmask;
 112 static GdkPixmap *trashxpm;
 113 static GdkBitmap *trashxpmmask;
 114 static GdkPixmap *trashhrmxpm;
 115 static GdkBitmap *trashhrmxpmmask;
 116 static GdkPixmap *queuexpm;
 117 static GdkBitmap *queuexpmmask;
 118 static GdkPixmap *queuehrmxpm;
 119 static GdkBitmap *queuehrmxpmmask;
 120 static GdkPixmap *queueopenxpm;
 121 static GdkBitmap *queueopenxpmmask;
 122 static GdkPixmap *queueopenhrmxpm;
 123 static GdkBitmap *queueopenhrmxpmmask;
 124 static GdkPixmap *draftsxpm;
 125 static GdkBitmap *draftsxpmmask;
 126 static GdkPixmap *draftsopenxpm;
 127 static GdkBitmap *draftsopenxpmmask;
 128 static GdkPixmap *noselectxpm;
 129 static GdkBitmap *noselectxpmmask;
 130
 131 static GdkPixmap *m_inboxxpm;
 132 static GdkBitmap *m_inboxxpmmask;
 133 static GdkPixmap *m_inboxhrmxpm;
 134 static GdkBitmap *m_inboxhrmxpmmask;
 135 static GdkPixmap *m_inboxopenxpm;
 136 static GdkBitmap *m_inboxopenxpmmask;
 137 static GdkPixmap *m_inboxopenhrmxpm;
 138 static GdkBitmap *m_inboxopenhrmxpmmask;
 139 static GdkPixmap *m_outboxxpm;
 140 static GdkBitmap *m_outboxxpmmask;
 141 static GdkPixmap *m_outboxhrmxpm;
 142 static GdkBitmap *m_outboxhrmxpmmask;
 143 static GdkPixmap *m_outboxopenxpm;
 144 static GdkBitmap *m_outboxopenxpmmask;
 145 static GdkPixmap *m_outboxopenhrmxpm;
 146 static GdkBitmap *m_outboxopenhrmxpmmask;
 147 static GdkPixmap *m_folderxpm;
 148 static GdkBitmap *m_folderxpmmask;
 149 static GdkPixmap *m_folderhrmxpm;
 150 static GdkBitmap *m_folderhrmxpmmask;
 151 static GdkPixmap *m_folderopenxpm;
 152 static GdkBitmap *m_folderopenxpmmask;
 153 static GdkPixmap *m_folderopenhrmxpm;
 154 static GdkBitmap *m_folderopenhrmxpmmask;
 155 static GdkPixmap *m_trashopenxpm;
 156 static GdkBitmap *m_trashopenxpmmask;
 157 static GdkPixmap *m_trashopenhrmxpm;
 158 static GdkBitmap *m_trashopenhrmxpmmask;
 159 static GdkPixmap *m_trashxpm;
 160 static GdkBitmap *m_trashxpmmask;
 161 static GdkPixmap *m_trashhrmxpm;
 162 static GdkBitmap *m_trashhrmxpmmask;
 163 static GdkPixmap *m_queuexpm;
 164 static GdkBitmap *m_queuexpmmask;
 165 static GdkPixmap *m_queuehrmxpm;
 166 static GdkBitmap *m_queuehrmxpmmask;
 167 static GdkPixmap *m_queueopenxpm;
 168 static GdkBitmap *m_queueopenxpmmask;
 169 static GdkPixmap *m_queueopenhrmxpm;
 170 static GdkBitmap *m_queueopenhrmxpmmask;
 171 static GdkPixmap *m_draftsxpm;
 172 static GdkBitmap *m_draftsxpmmask;
 173 static GdkPixmap *m_draftsopenxpm;
 174 static GdkBitmap *m_draftsopenxpmmask;
 175
 176 static GdkPixmap *newxpm;
 177 static GdkBitmap *newxpmmask;
 178 static GdkPixmap *unreadxpm;
 179 static GdkBitmap *unreadxpmmask;
 180 static GdkPixmap *readxpm;
 181 static GdkBitmap *readxpmmask;
 182
 183 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 static void folderview_create_folder_node       (FolderView       *folderview,
 276                                           FolderItem       *item);
 277 static gboolean folderview_update_folder         (gpointer          source,
 278                                           gpointer          userdata);
 279 static 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         {"/---",                        NULL, NULL, 0, "<Separator>"},
 292         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 293         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 294         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 295 };
 296
 297 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 298         {"/------trashsep",             NULL, NULL, 0, "<Separator>"},
 299         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 300 };
 301
 302 static GtkItemFactoryEntry folder_view_queue_popup_entries[] = {
 303         {"/------queuesep",     NULL, NULL, 0, "<Separator>"},
 304         {N_("/Send _queue..."), NULL, folderview_send_queue_cb, 0, NULL},
 305 };
 306
 307
 308 GtkTargetEntry folderview_drag_types[] =
 309 {
 310         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 311         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 312 };
 313
 314 void folderview_initialize(void)
 315 {
 316         FolderViewPopup *fpopup;
 317         guint i, n_entries;
 318         GSList *entries = NULL;
 319
 320         fpopup = g_new0(FolderViewPopup, 1);
 321
 322         n_entries = sizeof(folderview_common_popup_entries) /
 323                 sizeof(folderview_common_popup_entries[0]);
 324         for (i = 0; i < n_entries; i++)
 325                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 326
 327         fpopup->klass = "common";
 328         fpopup->path = "<CommonFolder>";
 329         fpopup->entries = entries;
 330         fpopup->set_sensitivity = NULL;
 331
 332         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 333         g_hash_table_insert(folderview_popups, "common", fpopup);
 334 }
 335
 336 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 337 {
 338         GSList *entries;
 339         GtkItemFactory *factory;
 340         FolderViewPopup *fpopup_common;
 341         GtkWidget *popup;
 342
 343         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 344         gtk_item_factory_set_translate_func(factory, menu_translate,
 345                                             NULL, NULL);
 346
 347         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 348                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 349
 350         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 351         if (fpopup_common != fpopup)
 352                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 353                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 354
 355         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 356         g_signal_connect(G_OBJECT(popup), "selection_done",
 357                          G_CALLBACK(folderview_popup_close),
 358                          folderview);
 359
 360         return factory;
 361 }
 362
 363 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 364 {
 365         FolderView *folderview = data;
 366         FolderViewPopup *fpopup = value;
 367         GtkItemFactory *factory;
 368
 369         factory = create_ifactory(folderview, fpopup);
 370         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 371 }
 372
 373 static void folderview_column_set_titles(FolderView *folderview)
 374 {
 375         GtkWidget *ctree = folderview->ctree;
 376         GtkWidget *label_new;
 377         GtkWidget *label_unread;
 378         GtkWidget *label_total;
 379         GtkWidget *hbox_new;
 380         GtkWidget *hbox_unread;
 381         GtkWidget *hbox_total;
 382         gint *col_pos = folderview->col_pos;
 383
 384         debug_print("setting titles...\n");
 385         gtk_widget_realize(folderview->ctree);
 386         gtk_widget_show_all(folderview->scrolledwin);
 387
 388         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 389          * instead text (text overflows making them unreadable and ugly) */
 390         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 391                          &newxpm, &newxpmmask);
 392         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 393                          &unreadxpm, &unreadxpmmask);
 394         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 395                          &readxpm, &readxpmmask);
 396
 397         label_new = gtk_image_new_from_pixmap(newxpm, newxpmmask);
 398         label_unread = gtk_image_new_from_pixmap(unreadxpm, unreadxpmmask);
 399         label_total = gtk_image_new_from_pixmap(readxpm, readxpmmask);
 400
 401         gtk_clist_column_titles_active(GTK_CLIST(ctree));
 402
 403         hbox_new = gtk_hbox_new(FALSE, 4);
 404         hbox_unread = gtk_hbox_new(FALSE, 4);
 405         hbox_total = gtk_hbox_new(FALSE, 4);
 406
 407         /* left justified */
 408         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 409         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 410         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 411         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 412         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 413         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 414
 415         gtk_widget_show_all(hbox_new);
 416         gtk_widget_show_all(hbox_unread);
 417         gtk_widget_show_all(hbox_total);
 418
 419         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 420         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 421         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 422
 423         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 424         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 425         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 426 }
 427
 428 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 429 {
 430         FolderView *folderview = (FolderView *)data;
 431         GdkEventButton event;
 432         if (folderview_get_selected_item(folderview) == NULL)
 433                 return FALSE;
 434
 435         event.button = 3;
 436         event.time = gtk_get_current_event_time();
 437
 438         folderview_set_sens_and_popup_menu(folderview, -1,
 439                                 &event);
 440
 441         return TRUE;
 442 }
 443
 444
 445 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 446 {
 447         GtkWidget *ctree;
 448         gint *col_pos;
 449         FolderColumnState *col_state;
 450         FolderColumnType type;
 451         gchar *titles[N_FOLDER_COLS];
 452         gint i;
 453         GtkWidget *scrolledwin = folderview->scrolledwin;
 454
 455         debug_print("creating tree...\n");
 456         memset(titles, 0, sizeof(titles));
 457
 458         col_state = prefs_folder_column_get_config();
 459         memset(titles, 0, sizeof(titles));
 460
 461         col_pos = folderview->col_pos;
 462
 463         for (i = 0; i < N_FOLDER_COLS; i++) {
 464                 folderview->col_state[i] = col_state[i];
 465                 type = col_state[i].type;
 466                 col_pos[type] = i;
 467         }
 468
 469         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 470         titles[col_pos[F_COL_NEW]]    = _("New");
 471         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 472         /* TRANSLATORS: This in Number sign in American style */
 473         titles[col_pos[F_COL_TOTAL]]  = _("#");
 474
 475         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 476                                            titles);
 477
 478         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 479         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 480                                            GTK_JUSTIFY_RIGHT);
 481         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 482                                            col_pos[F_COL_UNREAD],
 483                                            GTK_JUSTIFY_RIGHT);
 484         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 485                                            col_pos[F_COL_TOTAL],
 486                                            GTK_JUSTIFY_RIGHT);
 487         if (prefs_common.enable_dotted_lines) {
 488                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 489                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 490                                      GTK_CTREE_EXPANDER_SQUARE);
 491         } else {
 492                 gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 493                 gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 494                                      GTK_CTREE_EXPANDER_TRIANGLE);
 495         }
 496
 497         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 498         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 499
 500         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 501         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 502
 503         /* don't let title buttons take key focus */
 504         for (i = 0; i < N_FOLDER_COLS; i++) {
 505                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 506                                        GTK_CAN_FOCUS);
 507                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 508                                    prefs_common.folder_col_size[i]);
 509                 gtk_clist_set_column_visibility
 510                         (GTK_CLIST(ctree), i, col_state[i].visible);
 511         }
 512
 513         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 514                          G_CALLBACK(folderview_key_pressed),
 515                          folderview);
 516         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 517                          G_CALLBACK(folderview_button_pressed),
 518                          folderview);
 519 #ifndef MAEMO
 520         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 521                          G_CALLBACK(folderview_popup_menu), folderview);
 522 #else
 523         gtk_widget_tap_and_hold_setup(GTK_WIDGET(ctree), NULL, NULL,
 524                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
 525         g_signal_connect(G_OBJECT(ctree), "tap-and-hold",
 526                          G_CALLBACK(folderview_popup_menu), folderview);
 527 #endif
 528         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 529                          G_CALLBACK(folderview_button_released),
 530                          folderview);
 531         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 532                          G_CALLBACK(folderview_selected), folderview);
 533         g_signal_connect(G_OBJECT(ctree), "start_drag",
 534                          G_CALLBACK(folderview_start_drag), folderview);
 535         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 536                          G_CALLBACK(folderview_drag_data_get),
 537                          folderview);
 538
 539         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 540                                G_CALLBACK(folderview_tree_expanded),
 541                                folderview);
 542         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 543                                G_CALLBACK(folderview_tree_collapsed),
 544                                folderview);
 545
 546         g_signal_connect(G_OBJECT(ctree), "resize_column",
 547                          G_CALLBACK(folderview_col_resized),
 548                          folderview);
 549
 550         /* drop callback */
 551         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 552                           folderview_drag_types, 2,
 553                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 554         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 555                          G_CALLBACK(folderview_drag_motion_cb),
 556                          folderview);
 557         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 558                          G_CALLBACK(folderview_drag_leave_cb),
 559                          folderview);
 560         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 561                          G_CALLBACK(folderview_drag_received_cb),
 562                          folderview);
 563         g_signal_connect(G_OBJECT(ctree), "drag_end",
 564                          G_CALLBACK(folderview_drag_end_cb),
 565                          folderview);
 566
 567         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 568
 569         return ctree;
 570 }
 571
 572 void folderview_set_column_order(FolderView *folderview)
 573 {
 574         GtkWidget *ctree;
 575         FolderItem *item = folderview_get_selected_item(folderview);
 576         GtkWidget *scrolledwin = folderview->scrolledwin;
 577
 578         debug_print("recreating tree...\n");
 579         gtk_widget_destroy(folderview->ctree);
 580
 581         folderview->ctree = ctree = folderview_ctree_create(folderview);
 582         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 583                                             GTK_CLIST(ctree)->hadjustment);
 584         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 585                                             GTK_CLIST(ctree)->vadjustment);
 586         gtk_widget_show(ctree);
 587
 588         folderview_set(folderview);
 589         folderview_column_set_titles(folderview);
 590
 591         folderview_select(folderview,item);
 592 }
 593
 594 FolderView *folderview_create(void)
 595 {
 596         FolderView *folderview;
 597         GtkWidget *scrolledwin;
 598         GtkWidget *ctree;
 599
 600         debug_print("Creating folder view...\n");
 601         folderview = g_new0(FolderView, 1);
 602
 603         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 604         gtk_scrolled_window_set_policy
 605                 (GTK_SCROLLED_WINDOW(scrolledwin),
 606                  GTK_POLICY_AUTOMATIC,
 607                  prefs_common.folderview_vscrollbar_policy);
 608         gtk_widget_set_size_request(scrolledwin,
 609                              prefs_common.folderview_width,
 610                              prefs_common.folderview_height);
 611
 612         folderview->scrolledwin  = scrolledwin;
 613         ctree = folderview_ctree_create(folderview);
 614
 615         /* create popup factories */
 616         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 617         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 618
 619         folderview->ctree        = ctree;
 620
 621         folderview->folder_update_callback_id =
 622                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 623         folderview->folder_item_update_callback_id =
 624                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 625
 626         gtk_widget_show_all(scrolledwin);
 627
 628         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 629         folderview_list = g_list_append(folderview_list, folderview);
 630         folderview->deferred_refresh_id = -1;
 631
 632         return folderview;
 633 }
 634
 635 void folderview_init(FolderView *folderview)
 636 {
 637         GtkWidget *ctree = folderview->ctree;
 638         GdkColor gdk_color;
 639
 640         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 641         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 642         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 643         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 644         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 645         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 646         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 647         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 648         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 649         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 650         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 651         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 652         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 653         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 654         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 655         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 656         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 657         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 658         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 659         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 660         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 661         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 662         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 663
 664         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 665         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 666         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 667         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 668         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 669         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 670         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 671         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 672         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 673         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 674         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 675         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 676         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 677         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 678         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 679         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 680         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 681         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 682         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 683         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 684         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 685         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 686
 687         if (!normal_style) {
 688                 PangoFontDescription *font_desc;
 689                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 690                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 691                 if (font_desc) {
 692                         if (normal_style->font_desc)
 693                                 pango_font_description_free
 694                                         (normal_style->font_desc);
 695                         normal_style->font_desc = font_desc;
 696                 }
 697                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 698                 normal_color_style = gtk_style_copy(normal_style);
 699                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 700
 701                 gtk_widget_set_style(ctree, normal_style);
 702         }
 703
 704         if (!bold_style) {
 705                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 706                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 707                 pango_font_description_set_weight
 708                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 709                 bold_color_style = gtk_style_copy(bold_style);
 710                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 711
 712                 bold_tgtfold_style = gtk_style_copy(bold_style);
 713                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 714         }
 715 }
 716
 717 static gboolean folderview_defer_set(gpointer data)
 718 {
 719         FolderView *folderview = (FolderView *)data;
 720         MainWindow *mainwin = folderview->mainwin;
 721
 722         if (!mainwin)
 723                 return FALSE;
 724         if (mainwin->lock_count)
 725                 return TRUE;
 726
 727         printf("doing deferred folderview_set now\n");
 728         folderview_set(folderview);
 729
 730         folderview->deferred_refresh_id = -1;
 731         return FALSE;
 732 }
 733
 734 void folderview_set(FolderView *folderview)
 735 {
 736         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 737         MainWindow *mainwin = folderview->mainwin;
 738         FolderItem *sel_item = NULL, *op_item = NULL;
 739
 740         if (!mainwin)
 741                 return;
 742
 743         if (mainwin->lock_count) {
 744                 if (folderview->deferred_refresh_id == -1)
 745                         folderview->deferred_refresh_id =
 746                                 g_timeout_add(500, folderview_defer_set, folderview);
 747                 printf("deferred folderview_set\n");
 748                 return;
 749         }
 750
 751         inc_lock();
 752         debug_print("Setting folder info...\n");
 753         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 754
 755         main_window_cursor_wait(mainwin);
 756
 757         if (folderview->selected)
 758                 sel_item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 759         if (folderview->opened)
 760                 op_item = gtk_ctree_node_get_row_data(ctree, folderview->opened);
 761
 762         folderview->selected = NULL;
 763         folderview->opened = NULL;
 764
 765         gtk_clist_freeze(GTK_CLIST(ctree));
 766         gtk_clist_clear(GTK_CLIST(ctree));
 767
 768         folderview_set_folders(folderview);
 769
 770         if (sel_item)
 771                 folderview->selected = gtk_ctree_find_by_row_data(ctree, NULL, sel_item);
 772         if (op_item)
 773                 folderview->opened = gtk_ctree_find_by_row_data(ctree, NULL, op_item);
 774
 775         gtk_clist_thaw(GTK_CLIST(ctree));
 776         main_window_cursor_normal(mainwin);
 777         STATUSBAR_POP(mainwin);
 778         inc_unlock();
 779 }
 780
 781 void folderview_set_all(void)
 782 {
 783         GList *list;
 784
 785         for (list = folderview_list; list != NULL; list = list->next)
 786                 folderview_set((FolderView *)list->data);
 787 }
 788
 789 void folderview_select(FolderView *folderview, FolderItem *item)
 790 {
 791         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 792         GtkCTreeNode *node;
 793         GtkCTreeNode *old_selected = folderview->selected;
 794
 795         if (!item) return;
 796
 797         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 798         if (node) folderview_select_node(folderview, node);
 799
 800         if (old_selected != node)
 801                 folder_update_op_count();
 802 }
 803
 804 static void mark_all_read_cb(FolderView *folderview, guint action,
 805                              GtkWidget *widget)
 806 {
 807         FolderItem *item;
 808         AlertValue val;
 809
 810         item = folderview_get_selected_item(folderview);
 811         if (item == NULL)
 812                 return;
 813
 814         if (folderview->summaryview->folder_item != item
 815         &&  prefs_common.ask_mark_all_read) {
 816                 val = alertpanel_full(_("Mark all as read"),
 817                         _("Do you really want to mark all mails in this "
 818                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 819                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 820
 821                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 822                         return;
 823                 else if (val & G_ALERTDISABLE)
 824                         prefs_common.ask_mark_all_read = FALSE;
 825         }
 826
 827         summary_lock(folderview->summaryview);
 828         folder_item_update_freeze();
 829         if (folderview->summaryview->folder_item == item)
 830                 summary_freeze(folderview->summaryview);
 831         folderutils_mark_all_read(item);
 832         if (folderview->summaryview->folder_item == item)
 833                 summary_thaw(folderview->summaryview);
 834         folder_item_update_thaw();
 835         summary_unlock(folderview->summaryview);
 836 }
 837
 838 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 839 {
 840         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 841
 842         g_return_if_fail(node != NULL);
 843
 844         if (folderview->open_folder) {
 845                 return;
 846         }
 847
 848         folderview->open_folder = TRUE;
 849         gtkut_ctree_set_focus_row(ctree, node);
 850         gtk_ctree_select(ctree, node);
 851         if (folderview->summaryview->folder_item &&
 852             folderview->summaryview->folder_item->total_msgs > 0)
 853                 summary_grab_focus(folderview->summaryview);
 854         else
 855                 gtk_widget_grab_focus(folderview->ctree);
 856
 857         gtkut_ctree_expand_parent_all(ctree, node);
 858 }
 859
 860 void folderview_unselect(FolderView *folderview)
 861 {
 862         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 863                 gtk_ctree_collapse
 864                         (GTK_CTREE(folderview->ctree), folderview->opened);
 865
 866         folderview->selected = folderview->opened = NULL;
 867 }
 868
 869 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 870                                                  GtkCTreeNode *node)
 871 {
 872         FolderItem *item;
 873
 874         if (node)
 875                 node = gtkut_ctree_node_next(ctree, node);
 876         else
 877                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 878
 879         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 880                 item = gtk_ctree_node_get_row_data(ctree, node);
 881                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 882                         return node;
 883         }
 884
 885         return NULL;
 886 }
 887
 888 void folderview_select_next_marked(FolderView *folderview)
 889 {
 890         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 891         GtkCTreeNode *node = NULL;
 892         SelectOnEntry last_sel = prefs_common.select_on_entry;
 893         gboolean last_open = prefs_common.always_show_msg;
 894
 895         prefs_common.select_on_entry = SELECTONENTRY_MNU;
 896         prefs_common.always_show_msg = TRUE;
 897
 898         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 899             != NULL) {
 900                 folderview_select_node(folderview, node);
 901                 goto out;
 902         }
 903
 904         if (!folderview->opened ||
 905             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 906                 goto out;
 907         }
 908         /* search again from the first node */
 909         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 910                 folderview_select_node(folderview, node);
 911
 912 out:
 913         prefs_common.select_on_entry = last_sel;
 914         prefs_common.always_show_msg = last_open;
 915 }
 916
 917 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 918                                                  GtkCTreeNode *node)
 919 {
 920         FolderItem *item;
 921
 922         if (node)
 923                 node = gtkut_ctree_node_next(ctree, node);
 924         else
 925                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 926
 927         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 928                 item = gtk_ctree_node_get_row_data(ctree, node);
 929                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 930                         return node;
 931         }
 932
 933         return NULL;
 934 }
 935
 936 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 937 {
 938         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 939         GtkCTreeNode *node = NULL;
 940         SelectOnEntry last_sel = prefs_common.select_on_entry;
 941         gboolean last_open = prefs_common.always_show_msg;
 942
 943         prefs_common.select_on_entry = SELECTONENTRY_UNM;
 944         prefs_common.always_show_msg = force_open ? TRUE : last_open;
 945
 946         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 947             != NULL) {
 948                 folderview_select_node(folderview, node);
 949                 goto out;
 950         }
 951
 952         if (!folderview->opened ||
 953             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 954                 goto out;
 955         }
 956         /* search again from the first node */
 957         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 958                 folderview_select_node(folderview, node);
 959
 960 out:
 961         prefs_common.select_on_entry = last_sel;
 962         prefs_common.always_show_msg = last_open;
 963 }
 964
 965 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 966                                                  GtkCTreeNode *node)
 967 {
 968         FolderItem *item;
 969
 970         if (node)
 971                 node = gtkut_ctree_node_next(ctree, node);
 972         else
 973                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 974
 975         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 976                 item = gtk_ctree_node_get_row_data(ctree, node);
 977                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 978                         return node;
 979         }
 980
 981         return NULL;
 982 }
 983
 984 void folderview_select_next_new(FolderView *folderview)
 985 {
 986         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 987         GtkCTreeNode *node = NULL;
 988         SelectOnEntry last_sel = prefs_common.select_on_entry;
 989         gboolean last_open = prefs_common.always_show_msg;
 990
 991         prefs_common.select_on_entry = SELECTONENTRY_NUM;
 992         prefs_common.always_show_msg = TRUE;
 993
 994         if ((node = folderview_find_next_new(ctree, folderview->opened))
 995             != NULL) {
 996                 folderview_select_node(folderview, node);
 997                 goto out;
 998         }
 999
1000         if (!folderview->opened ||
1001             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
1002                 goto out;
1003         }
1004         /* search again from the first node */
1005         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
1006                 folderview_select_node(folderview, node);
1007
1008 out:
1009         prefs_common.select_on_entry = last_sel;
1010         prefs_common.always_show_msg = last_open;
1011 }
1012
1013 FolderItem *folderview_get_selected_item(FolderView *folderview)
1014 {
1015         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1016
1017         if (!folderview->selected) return NULL;
1018         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
1019 }
1020
1021 static void folderview_set_folders(FolderView *folderview)
1022 {
1023         GList *list;
1024         list = folder_get_list();
1025
1026         for (; list != NULL; list = list->next) {
1027                 folderview_append_folder(folderview, FOLDER(list->data));
1028         }
1029 }
1030
1031 static gchar *get_scan_str(FolderItem *item)
1032 {
1033         if (item->path)
1034                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1035                                       item->folder->name, G_DIR_SEPARATOR,
1036                                       item->path);
1037         else
1038                 return g_strdup_printf(_("Scanning folder %s ..."),
1039                                       item->folder->name);
1040 }
1041 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1042                                       gpointer data)
1043 {
1044         GList *list;
1045         for (list = folderview_list; list != NULL; list = list->next) {
1046                 FolderView *folderview = (FolderView *)list->data;
1047                 MainWindow *mainwin = folderview->mainwin;
1048                 gchar *str = get_scan_str(item);
1049
1050                 STATUSBAR_PUSH(mainwin, str);
1051                 STATUSBAR_POP(mainwin);
1052                 g_free(str);
1053         }
1054 }
1055
1056 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1057 {
1058         GtkWidget *window;
1059         MainWindow *mainwin = mainwindow_get_mainwindow();
1060         FolderView *folderview = NULL;
1061         GtkAdjustment *pos = NULL;
1062         gint height = 0;
1063
1064         g_return_if_fail(folder != NULL);
1065
1066         if (!folder->klass->scan_tree) return;
1067
1068         if (rebuild &&
1069             alertpanel_full(_("Rebuild folder tree"),
1070                          _("Rebuilding the folder tree will remove "
1071                            "local caches. Do you want to continue?"),
1072                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1073                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1074                 != G_ALERTALTERNATE) {
1075                 return;
1076         }
1077
1078         inc_lock();
1079         if (rebuild)
1080                 window = label_window_create(_("Rebuilding folder tree..."));
1081         else
1082                 window = label_window_create(_("Scanning folder tree..."));
1083
1084         if (mainwin)
1085                 folderview = mainwin->folderview;
1086
1087         if (folderview) {
1088                 pos = gtk_scrolled_window_get_vadjustment(
1089                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1090                 height = pos->value;
1091         }
1092
1093         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1094         folder_scan_tree(folder, rebuild);
1095         folder_set_ui_func(folder, NULL, NULL);
1096
1097         folderview_set_all();
1098
1099         if (folderview) {
1100                 pos = gtk_scrolled_window_get_vadjustment(
1101                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1102                 gtk_adjustment_set_value(pos, height);
1103         }
1104         label_window_destroy(window);
1105         inc_unlock();
1106 }
1107
1108 void folderview_fast_rescan_tree(Folder *folder)
1109 {
1110         GtkWidget *window;
1111         MainWindow *mainwin = mainwindow_get_mainwindow();
1112         FolderView *folderview = NULL;
1113         GtkAdjustment *pos = NULL;
1114         gint height = 0;
1115
1116         g_return_if_fail(folder != NULL);
1117
1118         if (!folder->klass->scan_tree) return;
1119
1120         inc_lock();
1121
1122         window = label_window_create(_("Scanning folder tree..."));
1123
1124         if (mainwin)
1125                 folderview = mainwin->folderview;
1126
1127         if (folderview) {
1128                 pos = gtk_scrolled_window_get_vadjustment(
1129                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1130                 height = pos->value;
1131         }
1132
1133         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1134         folder_fast_scan_tree(folder);
1135         folder_set_ui_func(folder, NULL, NULL);
1136
1137         folderview_set_all();
1138
1139         if (folderview) {
1140                 pos = gtk_scrolled_window_get_vadjustment(
1141                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1142                 gtk_adjustment_set_value(pos, height);
1143         }
1144         label_window_destroy(window);
1145         inc_unlock();
1146 }
1147
1148 /** folderview_check_new()
1149  *  Scan and update the folder and return the
1150  *  count the number of new messages since last check.
1151  *  \param folder the folder to check for new messages
1152  *  \return the number of new messages since last check
1153  */
1154 gint folderview_check_new(Folder *folder)
1155 {
1156         GList *list;
1157         FolderItem *item;
1158         FolderView *folderview;
1159         GtkCTree *ctree;
1160         GtkCTreeNode *node;
1161         gint new_msgs = 0;
1162         gint former_new_msgs = 0;
1163         gint former_new = 0, former_unread = 0, former_total;
1164
1165         for (list = folderview_list; list != NULL; list = list->next) {
1166                 folderview = (FolderView *)list->data;
1167                 ctree = GTK_CTREE(folderview->ctree);
1168
1169                 inc_lock();
1170                 main_window_lock(folderview->mainwin);
1171
1172                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1173                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1174                         gchar *str = NULL;
1175                         item = gtk_ctree_node_get_row_data(ctree, node);
1176                         if (!item || !item->path || !item->folder) continue;
1177                         if (item->no_select) continue;
1178                         if (folder && folder != item->folder) continue;
1179                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1180                         if (!item->prefs->newmailcheck) continue;
1181                         if (item->processing_pending == TRUE) {
1182                                 debug_print("skipping %s, processing pending\n",
1183                                         item->path ? item->path : item->name);
1184                                 continue;
1185                         }
1186
1187                         str = get_scan_str(item);
1188
1189                         STATUSBAR_PUSH(folderview->mainwin, str);
1190                         GTK_EVENTS_FLUSH();
1191                         g_free(str);
1192
1193                         folderview_scan_tree_func(item->folder, item, NULL);
1194                         former_new    = item->new_msgs;
1195                         former_unread = item->unread_msgs;
1196                         former_total  = item->total_msgs;
1197
1198                         if (item->folder->klass->scan_required &&
1199                             (item->folder->klass->scan_required(item->folder, item) ||
1200                              item->folder->inbox == item ||
1201                              item->opened == TRUE ||
1202                              item->processing_pending == TRUE)) {
1203                                 if (folder_item_scan(item) < 0) {
1204                                         if (folder) {
1205                                                 summaryview_unlock(folderview->summaryview, item);
1206                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1207                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1208                                                                 item->path ? item->path:item->name);
1209                                                         continue;
1210                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1211                                                         STATUSBAR_POP(folderview->mainwin);
1212                                                         break;
1213                                                 }
1214                                         }
1215                                 }
1216                         } else if (!item->folder->klass->scan_required) {
1217                                 if (folder_item_scan(item) < 0) {
1218                                         summaryview_unlock(folderview->summaryview, item);
1219                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1220                                                 STATUSBAR_POP(folderview->mainwin);
1221                                                 break;
1222                                         }
1223                                 }
1224                         }
1225                         if (former_new    != item->new_msgs ||
1226                             former_unread != item->unread_msgs ||
1227                             former_total  != item->total_msgs)
1228                                 folderview_update_node(folderview, node);
1229
1230                         new_msgs += item->new_msgs;
1231                         former_new_msgs += former_new;
1232                         STATUSBAR_POP(folderview->mainwin);
1233                 }
1234
1235                 main_window_unlock(folderview->mainwin);
1236                 inc_unlock();
1237         }
1238
1239         folder_write_list();
1240         /* Number of new messages since last check is the just the difference
1241          * between former_new_msgs and new_msgs. If new_msgs is less than
1242          * former_new_msgs, that would mean another session accessed the folder
1243          * and the result is not well defined.
1244          */
1245         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1246         return new_msgs;
1247 }
1248
1249 void folderview_check_new_all(void)
1250 {
1251         GList *list;
1252         GtkWidget *window;
1253         FolderView *folderview;
1254
1255         folderview = (FolderView *)folderview_list->data;
1256
1257         inc_lock();
1258         main_window_lock(folderview->mainwin);
1259         window = label_window_create
1260                 (_("Checking for new messages in all folders..."));
1261
1262         list = folder_get_list();
1263         for (; list != NULL; list = list->next) {
1264                 Folder *folder = list->data;
1265
1266                 folderview_check_new(folder);
1267         }
1268
1269         folder_write_list();
1270         folderview_set_all();
1271
1272         label_window_destroy(window);
1273         main_window_unlock(folderview->mainwin);
1274         inc_unlock();
1275 }
1276
1277 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1278                                                  FolderItem *item,
1279                                                  gboolean in_sub)
1280 {
1281         GNode *node = NULL;
1282
1283         if (!item || !item->folder || !item->folder->node)
1284                 return FALSE;
1285
1286         node = item->folder->node;
1287
1288         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1289         node = node->children;
1290
1291         if (in_sub &&
1292             (item->new_msgs > 0 ||
1293             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1294                 return TRUE;
1295         }
1296
1297         while (node != NULL) {
1298                 if (node && node->data) {
1299                         FolderItem *next_item = (FolderItem*) node->data;
1300                         node = node->next;
1301                         if (folderview_have_new_children_sub(folderview,
1302                                                              next_item, TRUE))
1303                                 return TRUE;
1304                 }
1305         }
1306
1307         return FALSE;
1308 }
1309
1310 static gboolean folderview_have_new_children(FolderView *folderview,
1311                                              FolderItem *item)
1312 {
1313         return folderview_have_new_children_sub(folderview, item, FALSE);
1314 }
1315
1316 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1317                                                     FolderItem *item,
1318                                                     gboolean in_sub)
1319 {
1320         GNode *node = NULL;
1321
1322         if (!item || !item->folder || !item->folder->node)
1323                 return FALSE;
1324
1325         node = item->folder->node;
1326
1327         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1328         node = node->children;
1329
1330         if (in_sub &&
1331             (item->unread_msgs > 0 ||
1332             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1333                 return TRUE;
1334         }
1335
1336         while (node != NULL) {
1337                 if (node && node->data) {
1338                         FolderItem *next_item = (FolderItem*) node->data;
1339                         node = node->next;
1340                         if (folderview_have_unread_children_sub(folderview,
1341                                                                 next_item,
1342                                                                 TRUE))
1343                                 return TRUE;
1344                 }
1345         }
1346
1347         return FALSE;
1348 }
1349
1350 static gboolean folderview_have_unread_children(FolderView *folderview,
1351                                                 FolderItem *item)
1352 {
1353         return folderview_have_unread_children_sub(folderview, item, FALSE);
1354 }
1355
1356 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1357                                                       FolderItem *item,
1358                                                       gboolean in_sub)
1359 {
1360         GNode *node = NULL;
1361
1362         if (!item || !item->folder || !item->folder->node)
1363                 return FALSE;
1364
1365         node = item->folder->node;
1366
1367         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1368         node = node->children;
1369
1370         if (in_sub && item->search_match){
1371                 return TRUE;
1372         }
1373
1374         while (node != NULL) {
1375                 if (node && node->data) {
1376                         FolderItem *next_item = (FolderItem*) node->data;
1377                         node = node->next;
1378                         if (folderview_have_matching_children_sub(folderview,
1379                                                                   next_item,
1380                                                                   TRUE))
1381                                 return TRUE;
1382                 }
1383         }
1384
1385         return FALSE;
1386 }
1387
1388 static gboolean folderview_have_matching_children(FolderView *folderview,
1389                                                   FolderItem *item)
1390 {
1391         return folderview_have_matching_children_sub(folderview, item, FALSE);
1392 }
1393
1394 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1395                                                     FolderItem *item,
1396                                                     gboolean in_sub)
1397 {
1398         GNode *node = NULL;
1399
1400         if (!item || !item->folder || !item->folder->node)
1401                 return FALSE;
1402
1403         node = item->folder->node;
1404
1405         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1406         node = node->children;
1407
1408         if (item->marked_msgs != 0) {
1409                 return TRUE;
1410         }
1411
1412         while (node != NULL) {
1413                 if (node && node->data) {
1414                         FolderItem *next_item = (FolderItem*) node->data;
1415                         node = node->next;
1416                         if (folderview_have_marked_children_sub(folderview,
1417                                                                 next_item, TRUE))
1418                                 return TRUE;
1419                 }
1420         }
1421
1422         return FALSE;
1423 }
1424
1425 static gboolean folderview_have_marked_children(FolderView *folderview,
1426                                              FolderItem *item)
1427 {
1428         return folderview_have_marked_children_sub(folderview, item, FALSE);
1429 }
1430
1431 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1432 {
1433         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1434         GtkStyle *style = NULL;
1435         GtkStyle *color_style = NULL;
1436         FolderItem *item;
1437         GdkPixmap *xpm, *openxpm;
1438         GdkBitmap *mask, *openmask;
1439         static GdkPixmap *searchicon;
1440         static GdkBitmap *searchmask;
1441         gboolean mark = FALSE;
1442         gchar *name;
1443         gchar *str;
1444         gboolean add_unread_mark;
1445         gboolean add_sub_match_mark;
1446         gboolean use_bold, use_color;
1447         gint *col_pos = folderview->col_pos;
1448         SpecialFolderItemType stype;
1449
1450         item = gtk_ctree_node_get_row_data(ctree, node);
1451         g_return_if_fail(item != NULL);
1452
1453         if (!GTK_CTREE_ROW(node)->expanded)
1454                 mark = folderview_have_marked_children(folderview, item);
1455         else
1456                 mark = (item->marked_msgs != 0);
1457
1458         stype = item->stype;
1459         if (stype == F_NORMAL) {
1460                 if (folder_has_parent_of_type(item, F_TRASH))
1461                         stype = F_TRASH;
1462                 else if (folder_has_parent_of_type(item, F_DRAFT))
1463                         stype = F_DRAFT;
1464                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1465                         stype = F_OUTBOX;
1466                 else if (folder_has_parent_of_type(item, F_QUEUE))
1467                         stype = F_QUEUE;
1468         }
1469         switch (stype) {
1470         case F_INBOX:
1471                 if (item->hide_read_msgs) {
1472                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1473                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1474                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1475                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1476                 } else {
1477                         xpm = mark?m_inboxxpm:inboxxpm;
1478                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1479                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1480                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1481                 }
1482                 break;
1483         case F_OUTBOX:
1484                 if (item->hide_read_msgs) {
1485                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1486                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1487                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1488                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1489                 } else {
1490                         xpm = mark?m_outboxxpm:outboxxpm;
1491                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1492                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1493                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1494                 }
1495                 break;
1496         case F_QUEUE:
1497                 if (item->hide_read_msgs) {
1498                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1499                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1500                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1501                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1502                 } else {
1503                         xpm = mark?m_queuexpm:queuexpm;
1504                         mask = mark?m_queuexpmmask:queuexpmmask;
1505                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1506                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1507                 }
1508                 break;
1509         case F_TRASH:
1510                 if (item->hide_read_msgs) {
1511                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1512                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1513                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1514                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1515                 } else {
1516                         xpm = mark?m_trashxpm:trashxpm;
1517                         mask = mark?m_trashxpmmask:trashxpmmask;
1518                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1519                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1520                 }
1521                 break;
1522         case F_DRAFT:
1523                 xpm = mark?m_draftsxpm:draftsxpm;
1524                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1525                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1526                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1527                 break;
1528         default:
1529                 if (item->hide_read_msgs) {
1530                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1531                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1532                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1533                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1534                 } else {
1535                         xpm = mark?m_folderxpm:folderxpm;
1536                         mask = mark?m_folderxpmmask:folderxpmmask;
1537                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1538                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1539                 }
1540         }
1541
1542         if (item->no_select) {
1543                 xpm = openxpm = noselectxpm;
1544                 mask = openmask = noselectxpmmask;
1545         }
1546
1547         name = folder_item_get_name(item);
1548
1549         if (!GTK_CTREE_ROW(node)->expanded) {
1550                 add_unread_mark = folderview_have_unread_children(
1551                                         folderview, item);
1552                 add_sub_match_mark = folderview_have_matching_children(
1553                                         folderview, item);
1554         } else {
1555                 add_unread_mark = FALSE;
1556                 add_sub_match_mark = FALSE;
1557         }
1558
1559         if (item->search_match) {
1560                 if (!searchicon) {
1561                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1562                          &searchicon, &searchmask);
1563                 }
1564                 xpm = openxpm = searchicon;
1565                 mask = openmask = searchmask;
1566         }
1567
1568         str = NULL;
1569         if (prefs_common.display_folder_unread) {
1570                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1571                         /* only total_msgs matters here */
1572                         if (item->total_msgs > 0) {
1573                                 /* show total number (should be equal to the unread number)
1574                                    and signs if any */
1575                                 str = g_strdup_printf("%s (%d%s%s)",
1576                                                         name, item->total_msgs,
1577                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1578                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1579                         }
1580         } else {
1581                         if (prefs_common.display_folder_unread == 1) {
1582                                 if (item->unread_msgs > 0) {
1583                                         /* show unread number and signs */
1584                                         str = g_strdup_printf("%s (%d%s%s)",
1585                                                                 name, item->unread_msgs,
1586                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1587                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1588                                 }
1589                         } else {
1590                                 if (item->total_msgs > 0) {
1591                                         /* show unread number, total number and signs if any */
1592                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1593                                                                 name, item->unread_msgs, item->total_msgs,
1594                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1595                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1596                                 }
1597                         }
1598                 }
1599                 if ((str == NULL) &&
1600                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1601                         /* no unread/total numbers, but at least one sign */
1602                         str = g_strdup_printf("%s (%s%s)",
1603                                                 name,
1604                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1605                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1606                 }
1607         }
1608         if (str == NULL) {
1609                 /* last fallback, folder name only or with ! sign */
1610                 str = g_strdup_printf("%s%s",
1611                                         name, (item->unreadmarked_msgs > 0) ? " (!)" : "");
1612         }
1613                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1614                                         xpm, mask, openxpm, openmask,
1615                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1616                 g_free(str);
1617         g_free(name);
1618
1619         if (!folder_item_parent(item)) {
1620                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1621                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1622                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1623         } else {
1624                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1625                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1626                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1627         }
1628
1629         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1630             folder_has_parent_of_type(item, F_DRAFT) ||
1631             folder_has_parent_of_type(item, F_TRASH)) {
1632                 use_bold = use_color = FALSE;
1633         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1634                 /* highlight queue folder if there are any messages */
1635                 use_bold = use_color = (item->total_msgs > 0);
1636         } else {
1637                 /* if unread messages exist, print with bold font */
1638                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1639                                 || add_unread_mark;
1640                 /* if new messages exist, print with colored letter */
1641                 use_color =
1642                         (item->new_msgs > 0) ||
1643                         (add_unread_mark &&
1644                          folderview_have_new_children(folderview, item));
1645         }
1646
1647         gtk_ctree_node_set_foreground(ctree, node, NULL);
1648
1649         if (use_bold) {
1650                 GdkColor gdk_color;
1651
1652                 if (item->prefs->color > 0 && !use_color) {
1653                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1654                         color_style = gtk_style_copy(bold_style);
1655                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1656                         style = color_style;
1657                 } else if (use_color) {
1658                         style = bold_color_style;
1659                 } else
1660                         style = bold_style;
1661                 if (item->op_count > 0) {
1662                         style = bold_tgtfold_style;
1663                 }
1664         } else if (use_color) {
1665                 style = normal_color_style;
1666                 gtk_ctree_node_set_foreground(ctree, node,
1667                                               &folderview->color_new);
1668         } else if (item->op_count > 0) {
1669                 style = bold_tgtfold_style;
1670         } else if (item->prefs->color > 0) {
1671                 GdkColor gdk_color;
1672                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1673                 color_style = gtk_style_copy(normal_style);
1674                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1675                 style = color_style;
1676         } else {
1677                 style = normal_style;
1678         }
1679
1680         gtk_ctree_node_set_row_style(ctree, node, style);
1681
1682         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1683                 folderview_update_node(folderview, node);
1684 }
1685
1686 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1687 {
1688         GList *list;
1689         FolderView *folderview;
1690         GtkCTree *ctree;
1691         GtkCTreeNode *node;
1692
1693         g_return_if_fail(item != NULL);
1694
1695         for (list = folderview_list; list != NULL; list = list->next) {
1696                 folderview = (FolderView *)list->data;
1697                 ctree = GTK_CTREE(folderview->ctree);
1698
1699                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1700                 if (node) {
1701                         item->search_match = matches;
1702                         folderview_update_node(folderview, node);
1703                 }
1704         }
1705 }
1706
1707 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1708 {
1709         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1710         FolderView *folderview = (FolderView *)data;
1711         GtkCTree *ctree;
1712         GtkCTreeNode *node;
1713         g_return_val_if_fail(update_info != NULL, TRUE);
1714         g_return_val_if_fail(update_info->item != NULL, TRUE);
1715         g_return_val_if_fail(folderview != NULL, FALSE);
1716
1717         ctree = GTK_CTREE(folderview->ctree);
1718
1719         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1720
1721         if (node) {
1722                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1723                         folderview_update_node(folderview, node);
1724
1725                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1726                      update_info->item == folderview->summaryview->folder_item &&
1727                      update_info->item != NULL)
1728                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1729                                 summary_show(folderview->summaryview, update_info->item);
1730         }
1731
1732         return FALSE;
1733 }
1734
1735 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1736                                       GNode *gnode, GtkCTreeNode *cnode,
1737                                       gpointer data)
1738 {
1739         FolderView *folderview = (FolderView *)data;
1740         FolderItem *item = FOLDER_ITEM(gnode->data);
1741
1742         g_return_val_if_fail(item != NULL, FALSE);
1743
1744         gtk_ctree_node_set_row_data(ctree, cnode, item);
1745         folderview_update_node(folderview, cnode);
1746
1747         return TRUE;
1748 }
1749
1750 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1751                                    gpointer data)
1752 {
1753         FolderView *folderview = (FolderView *)data;
1754         FolderItem *item;
1755
1756         if (GTK_CTREE_ROW(node)->children) {
1757                 item = gtk_ctree_node_get_row_data(ctree, node);
1758                 g_return_if_fail(item != NULL);
1759
1760                 if (!item->collapsed)
1761                         gtk_ctree_expand(ctree, node);
1762                 else
1763                         folderview_update_node(folderview, node);
1764         }
1765 }
1766
1767 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1768                                GtkCTreeNode *root, GtkCTreeNode **prev)
1769 {
1770         if (item) {
1771                 GtkCTreeNode *node, *parent, *sibling;
1772
1773                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1774                 if (!node)
1775                         g_warning("%s not found.\n", item->path);
1776                 else {
1777                         parent = GTK_CTREE_ROW(node)->parent;
1778                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1779                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1780                         else
1781                                 sibling = GTK_CTREE_ROW(parent)->children;
1782                         while (sibling) {
1783                                 FolderItem *tmp;
1784
1785                                 tmp = gtk_ctree_node_get_row_data
1786                                         (ctree, sibling);
1787                                 if (tmp->stype != F_NORMAL)
1788                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1789                                 else
1790                                         break;
1791                         }
1792                         if (node != sibling)
1793                                 gtk_ctree_move(ctree, node, parent, sibling);
1794                 }
1795
1796                 *prev = node;
1797         }
1798 }
1799
1800 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1801                                     Folder *folder)
1802 {
1803         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1804         GtkCTreeNode *prev = NULL;
1805
1806         gtk_clist_freeze(GTK_CLIST(ctree));
1807         gtk_sctree_sort_recursive(ctree, root);
1808         if (root && GTK_CTREE_ROW(root)->parent) {
1809                 gtk_clist_thaw(GTK_CLIST(ctree));
1810                 return;
1811         }
1812         set_special_folder(ctree, folder->inbox, root, &prev);
1813         set_special_folder(ctree, folder->outbox, root, &prev);
1814         set_special_folder(ctree, folder->draft, root, &prev);
1815         set_special_folder(ctree, folder->queue, root, &prev);
1816         set_special_folder(ctree, folder->trash, root, &prev);
1817         gtk_clist_thaw(GTK_CLIST(ctree));
1818 }
1819
1820 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1821 {
1822         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1823         GtkCTreeNode *root;
1824
1825         g_return_if_fail(folder != NULL);
1826
1827         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1828                                       folderview_gnode_func, folderview);
1829         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1830                                 folderview);
1831         folderview_sort_folders(folderview, root, folder);
1832 }
1833
1834 /* callback functions */
1835 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1836                                 GdkEventButton *event)
1837 {
1838         GtkCList *clist = GTK_CLIST(folderview->ctree);
1839         FolderItem *item;
1840         Folder *folder;
1841         FolderViewPopup *fpopup;
1842         GtkItemFactory *fpopup_factory;
1843         GtkWidget *popup;
1844         FolderItem *special_trash = NULL, *special_queue = NULL;
1845         PrefsAccount *ac;
1846
1847         if (row > 0)
1848                 item = gtk_clist_get_row_data(clist, row);
1849         else
1850                 item = folderview_get_selected_item(folderview);
1851
1852         g_return_if_fail(item != NULL);
1853         g_return_if_fail(item->folder != NULL);
1854         folder = item->folder;
1855
1856         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1857         if (fpopup != NULL)
1858                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1859         else {
1860                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1861                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1862         }
1863
1864         if (fpopup->set_sensitivity != NULL)
1865                 fpopup->set_sensitivity(fpopup_factory, item);
1866
1867         if (NULL != (ac = account_find_from_item(item))) {
1868                 special_trash = account_get_special_folder(ac, F_TRASH);
1869                 special_queue = account_get_special_folder(ac, F_QUEUE);
1870         }
1871
1872         if ((item == folder->trash || item == special_trash
1873              || folder_has_parent_of_type(item, F_TRASH)) &&
1874             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1875                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1876                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1877         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1878                 && !folder_has_parent_of_type(item, F_TRASH)) {
1879                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1880                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1881         }
1882
1883         if ((item == folder->queue || item == special_queue
1884              || folder_has_parent_of_type(item, F_QUEUE)) &&
1885             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1886                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1887                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1888         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1889                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1890                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1891                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1892         }
1893
1894 #define SET_SENS(name, sens) \
1895         menu_set_sensitive(fpopup_factory, name, sens)
1896
1897         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1898         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1899                  folderview->selected == folderview->opened);
1900         SET_SENS("/Properties...", TRUE);
1901         SET_SENS("/Processing...", item->node->parent != NULL);
1902         if (item == folder->trash || item == special_trash
1903             || folder_has_parent_of_type(item, F_TRASH)) {
1904                 GSList *msglist = folder_item_get_msg_list(item);
1905                 SET_SENS("/Empty trash...", msglist != NULL);
1906                 procmsg_msg_list_free(msglist);
1907         }
1908         if (item == folder->queue || item == special_queue
1909             || folder_has_parent_of_type(item, F_QUEUE)) {
1910                 GSList *msglist = folder_item_get_msg_list(item);
1911                 SET_SENS("/Send queue...", msglist != NULL);
1912                 procmsg_msg_list_free(msglist);
1913         }
1914 #undef SET_SENS
1915
1916         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1917         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1918                        event->button, event->time);
1919
1920
1921 }
1922
1923 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1924                                           FolderView *folderview)
1925 {
1926         GtkCList *clist = GTK_CLIST(ctree);
1927         gint prev_row = -1, row = -1, column = -1;
1928
1929         if (!event) return FALSE;
1930
1931         if (event->button == 1 || event->button == 2) {
1932                 if (!gtk_ctree_is_hot_spot (GTK_CTREE(clist), event->x, event->y))
1933                         folderview->open_folder = TRUE;
1934
1935                 if (event->type == GDK_2BUTTON_PRESS) {
1936                         if (clist->selection) {
1937                                 GtkCTreeNode *node;
1938
1939                                 node = GTK_CTREE_NODE(clist->selection->data);
1940                                 if (node) {
1941                                         gtk_ctree_toggle_expansion(
1942                                                 GTK_CTREE(ctree),
1943                                                 node);
1944                                         folderview->open_folder = FALSE;
1945                                 }
1946                         }
1947                 }
1948                 return FALSE;
1949         }
1950
1951         if (event->button == 2 || event->button == 3) {
1952                 /* right clicked */
1953                 if (clist->selection) {
1954                         GtkCTreeNode *node;
1955
1956                         node = GTK_CTREE_NODE(clist->selection->data);
1957                         if (node)
1958                                 prev_row = gtkut_ctree_get_nth_from_node
1959                                         (GTK_CTREE(ctree), node);
1960                 }
1961
1962                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1963                                                   &row, &column))
1964                         return FALSE;
1965                 if (prev_row != row) {
1966                         gtk_clist_unselect_all(clist);
1967                         if (event->button == 2)
1968                                 folderview_select_node
1969                                         (folderview,
1970                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1971                                                             row));
1972                         else
1973                                 gtk_clist_select_row(clist, row, column);
1974                 }
1975         }
1976
1977         if (event->button != 3) return FALSE;
1978
1979         folderview_set_sens_and_popup_menu(folderview, row, event);
1980         return FALSE;
1981 }
1982
1983 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1984                                            FolderView *folderview)
1985 {
1986         if (!event) return FALSE;
1987
1988         if (event->button == 1 && folderview->open_folder == FALSE &&
1989             folderview->opened != NULL) {
1990                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1991                                           folderview->opened);
1992                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1993         }
1994
1995         return FALSE;
1996 }
1997
1998 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1999                                        FolderView *folderview)
2000 {
2001         if (!event) return FALSE;
2002
2003         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2004                 return FALSE;
2005
2006         switch (event->keyval) {
2007         case GDK_Return:
2008                 if (folderview->selected) {
2009                         folderview_select_node(folderview,
2010                                                folderview->selected);
2011                 }
2012                 break;
2013         case GDK_space:
2014                 if (folderview->selected) {
2015                         if (folderview->opened == folderview->selected &&
2016                             (!folderview->summaryview->folder_item ||
2017                              folderview->summaryview->folder_item->total_msgs == 0))
2018                                 folderview_select_next_unread(folderview, TRUE);
2019                         else
2020                                 folderview_select_node(folderview,
2021                                                        folderview->selected);
2022                 }
2023                 break;
2024         default:
2025                 break;
2026         }
2027
2028         return FALSE;
2029 }
2030
2031 typedef struct _PostponedSelectData
2032 {
2033         GtkCTree *ctree;
2034         GtkCTreeNode *row;
2035         gint column;
2036         FolderView *folderview;
2037 } PostponedSelectData;
2038
2039 static gboolean postpone_select(void *data)
2040 {
2041         PostponedSelectData *psdata = (PostponedSelectData *)data;
2042         debug_print("trying again\n");
2043         psdata->folderview->open_folder = TRUE;
2044         main_window_cursor_normal(psdata->folderview->mainwin);
2045         STATUSBAR_POP(psdata->folderview->mainwin);
2046         folderview_selected(psdata->ctree, psdata->row,
2047                             psdata->column, psdata->folderview);
2048         g_free(psdata);
2049         return FALSE;
2050 }
2051
2052 void folderview_close_opened(FolderView *folderview)
2053 {
2054         if (folderview->opened) {
2055                 FolderItem *olditem;
2056
2057                 olditem = gtk_ctree_node_get_row_data(folderview->ctree, folderview->opened);
2058                 if (olditem) {
2059                         gchar *buf = g_strdup_printf(_("Closing Folder %s..."),
2060                                 olditem->path ? olditem->path:olditem->name);
2061                         /* will be null if we just moved the previously opened folder */
2062                         STATUSBAR_PUSH(folderview->mainwin, buf);
2063                         main_window_cursor_wait(folderview->mainwin);
2064                         g_free(buf);
2065                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2066                         summary_show(folderview->summaryview, NULL);
2067                         folder_item_close(olditem);
2068                         main_window_cursor_normal(folderview->mainwin);
2069                         STATUSBAR_POP(folderview->mainwin);
2070                 }
2071         }
2072         folderview->opened = NULL;
2073 }
2074 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2075                                 gint column, FolderView *folderview)
2076 {
2077         static gboolean can_select = TRUE;      /* exclusive lock */
2078         gboolean opened;
2079         FolderItem *item;
2080         gchar *buf;
2081         int res = 0;
2082         START_TIMING("");
2083         folderview->selected = row;
2084
2085         debug_print("newly selected %p, opened %p\n", folderview->selected,
2086                         folderview->opened);
2087         if (folderview->opened == row) {
2088                 folderview->open_folder = FALSE;
2089                 END_TIMING();
2090                 return;
2091         }
2092
2093         if (!can_select || summary_is_locked(folderview->summaryview)) {
2094                 if (folderview->opened) {
2095                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2096                         gtk_ctree_select(ctree, folderview->opened);
2097                 }
2098                 folderview->open_folder = FALSE;
2099                 END_TIMING();
2100                 return;
2101         }
2102
2103         if (!folderview->open_folder) {
2104                 END_TIMING();
2105                 return;
2106         }
2107         item = gtk_ctree_node_get_row_data(ctree, row);
2108         if (!item || item->no_select) {
2109                 END_TIMING();
2110                 folderview->open_folder = FALSE;
2111                 return;
2112         }
2113
2114         can_select = FALSE;
2115
2116         /* Save cache for old folder */
2117         /* We don't want to lose all caches if sylpheed crashed */
2118         folderview_close_opened(folderview);
2119
2120         /* CLAWS: set compose button type: news folder items
2121          * always have a news folder as parent */
2122         if (item->folder)
2123                 toolbar_set_compose_button
2124                         (folderview->mainwin->toolbar,
2125                          FOLDER_TYPE(item->folder) == F_NEWS ?
2126                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2127
2128         if (item->path)
2129                 debug_print("Folder %s is selected\n", item->path);
2130
2131         if (!GTK_CTREE_ROW(row)->children)
2132                 gtk_ctree_expand(ctree, row);
2133         if (folderview->opened &&
2134             !GTK_CTREE_ROW(folderview->opened)->children)
2135                 gtk_ctree_collapse(ctree, folderview->opened);
2136
2137         /* ungrab the mouse event */
2138         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2139                 gtk_grab_remove(GTK_WIDGET(ctree));
2140                 if (gdk_pointer_is_grabbed())
2141                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2142         }
2143
2144         /* Open Folder */
2145         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2146                                         item->path : "(null)");
2147         debug_print("%s\n", buf);
2148         STATUSBAR_PUSH(folderview->mainwin, buf);
2149         g_free(buf);
2150
2151         main_window_cursor_wait(folderview->mainwin);
2152
2153         res = folder_item_open(item);
2154         if (res == -1) {
2155                 main_window_cursor_normal(folderview->mainwin);
2156                 STATUSBAR_POP(folderview->mainwin);
2157
2158                 alertpanel_error(_("Folder could not be opened."));
2159
2160                 folderview->open_folder = FALSE;
2161                 can_select = TRUE;
2162                 END_TIMING();
2163                 return;
2164         } else if (res == -2) {
2165                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2166                 data->ctree = ctree;
2167                 data->row = row;
2168                 data->column = column;
2169                 data->folderview = folderview;
2170                 debug_print("postponing open of %s till end of scan\n",
2171                         item->path ? item->path:item->name);
2172                 folderview->open_folder = FALSE;
2173                 can_select = TRUE;
2174                 g_timeout_add(500, postpone_select, data);
2175                 END_TIMING();
2176                 return;
2177         }
2178
2179         main_window_cursor_normal(folderview->mainwin);
2180
2181         /* Show messages */
2182         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2183         opened = summary_show(folderview->summaryview, item);
2184
2185         folder_clean_cache_memory(item);
2186
2187         if (!opened) {
2188                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
2189                 gtk_ctree_select(ctree, folderview->opened);
2190         } else {
2191                 folderview->opened = row;
2192                 if (gtk_ctree_node_is_visible(ctree, row)
2193                     != GTK_VISIBILITY_FULL)
2194                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2195         }
2196
2197         STATUSBAR_POP(folderview->mainwin);
2198
2199         folderview->open_folder = FALSE;
2200         can_select = TRUE;
2201         END_TIMING();
2202 }
2203
2204 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2205                                      FolderView *folderview)
2206 {
2207         FolderItem *item;
2208
2209         item = gtk_ctree_node_get_row_data(ctree, node);
2210         g_return_if_fail(item != NULL);
2211         item->collapsed = FALSE;
2212         folderview_update_node(folderview, node);
2213 }
2214
2215 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2216                                       FolderView *folderview)
2217 {
2218         FolderItem *item;
2219
2220         item = gtk_ctree_node_get_row_data(ctree, node);
2221         g_return_if_fail(item != NULL);
2222         item->collapsed = TRUE;
2223         folderview_update_node(folderview, node);
2224 }
2225
2226 static void folderview_popup_close(GtkMenuShell *menu_shell,
2227                                    FolderView *folderview)
2228 {
2229         if (!folderview->opened) return;
2230
2231         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2232 }
2233
2234 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2235                                    FolderView *folderview)
2236 {
2237         FolderColumnType type = folderview->col_state[column].type;
2238
2239         prefs_common.folder_col_size[type] = width;
2240 }
2241
2242 static void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2243 {
2244         GNode *srcnode;
2245
2246         folderview_create_folder_node(folderview, item);
2247
2248         if (!item || !item->folder || !item->folder->node)
2249                 return;
2250
2251         srcnode = item->folder->node;
2252         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2253         srcnode = srcnode->children;
2254         while (srcnode != NULL) {
2255                 if (srcnode && srcnode->data) {
2256                         FolderItem *next_item = (FolderItem*) srcnode->data;
2257                         folderview_create_folder_node_recursive(folderview, next_item);
2258                 }
2259                 srcnode = srcnode->next;
2260         }
2261 }
2262
2263 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2264 {
2265         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2266         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2267         GtkCTreeNode *node, *parent_node;
2268         gint *col_pos = folderview->col_pos;
2269         FolderItemUpdateData hookdata;
2270
2271         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2272         if (parent_node == NULL)
2273                 return;
2274
2275         gtk_clist_freeze(GTK_CLIST(ctree));
2276
2277         text[col_pos[F_COL_FOLDER]] = item->name;
2278         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2279                                      FOLDER_SPACING,
2280                                      folderxpm, folderxpmmask,
2281                                      folderopenxpm, folderopenxpmmask,
2282                                      FALSE, FALSE);
2283         gtk_ctree_expand(ctree, parent_node);
2284         gtk_ctree_node_set_row_data(ctree, node, item);
2285         if (normal_style)
2286                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2287         folderview_sort_folders(folderview, parent_node, item->folder);
2288
2289         hookdata.item = item;
2290         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2291         hookdata.msg = NULL;
2292         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2293
2294         gtk_clist_thaw(GTK_CLIST(ctree));
2295 }
2296
2297 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2298                                       GtkWidget *widget)
2299 {
2300         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2301         FolderItem *item;
2302         GSList *mlist = NULL;
2303         GSList *cur = NULL;
2304         FolderItem *special_trash = NULL;
2305         PrefsAccount *ac;
2306
2307         if (!folderview->selected) return;
2308         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2309         g_return_if_fail(item != NULL);
2310         g_return_if_fail(item->folder != NULL);
2311
2312         if (NULL != (ac = account_find_from_item(item)))
2313                 special_trash = account_get_special_folder(ac, F_TRASH);
2314
2315         if (item != item->folder->trash && item != special_trash
2316         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2317
2318         if (prefs_common.ask_on_clean) {
2319                 if (alertpanel(_("Empty trash"),
2320                                _("Delete all messages in trash?"),
2321                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2322                         return;
2323         }
2324
2325         mlist = folder_item_get_msg_list(item);
2326
2327         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2328                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2329                 if (MSG_IS_LOCKED(msginfo->flags))
2330                         continue;
2331                 /* is it partially received? (partial_recv isn't cached) */
2332                 if (msginfo->total_size != 0 &&
2333                     msginfo->size != (off_t)msginfo->total_size)
2334                         partial_mark_for_delete(msginfo);
2335         }
2336         procmsg_msg_list_free(mlist);
2337
2338         folder_item_remove_all_msg(item);
2339 }
2340
2341 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2342                                       GtkWidget *widget)
2343 {
2344         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2345         FolderItem *item;
2346         FolderItem *special_queue = NULL;
2347         PrefsAccount *ac;
2348         gchar *errstr = NULL;
2349
2350         if (!folderview->selected) return;
2351         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2352         g_return_if_fail(item != NULL);
2353         g_return_if_fail(item->folder != NULL);
2354
2355         if (NULL != (ac = account_find_from_item(item)))
2356                 special_queue = account_get_special_folder(ac, F_QUEUE);
2357
2358         if (item != item->folder->queue && item != special_queue
2359         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2360
2361         if (procmsg_queue_is_empty(item))
2362                 return;
2363
2364         if (prefs_common.work_offline)
2365                 if (alertpanel(_("Offline warning"),
2366                                _("You're working offline. Override?"),
2367                                GTK_STOCK_NO, GTK_STOCK_YES,
2368                                NULL) != G_ALERTALTERNATE)
2369                 return;
2370
2371         /* ask for confirmation before sending queued messages only
2372            in online mode and if there is at least one message queued
2373            in any of the folder queue
2374         */
2375         if (prefs_common.confirm_send_queued_messages) {
2376                 if (!prefs_common.work_offline) {
2377                         if (alertpanel(_("Send queued messages"),
2378                                    _("Send all queued messages?"),
2379                                    GTK_STOCK_CANCEL, _("_Send"),
2380                                    NULL) != G_ALERTALTERNATE)
2381                                 return;
2382                 }
2383         }
2384
2385         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2386                 if (!errstr)
2387                         alertpanel_error_log(_("Some errors occurred while "
2388                                            "sending queued messages."));
2389                 else {
2390                         gchar *tmp = g_strdup_printf(_("Some errors occurred "
2391                                         "while sending queued messages:\n%s"), errstr);
2392                         g_free(errstr);
2393                         alertpanel_error_log(tmp);
2394                         g_free(tmp);
2395                 }
2396         }
2397 }
2398
2399 static void folderview_search_cb(FolderView *folderview, guint action,
2400                                  GtkWidget *widget)
2401 {
2402         summary_search(folderview->summaryview);
2403 }
2404
2405 static void folderview_property_cb(FolderView *folderview, guint action,
2406                                    GtkWidget *widget)
2407 {
2408         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2409         FolderItem *item;
2410
2411         if (!folderview->selected) return;
2412
2413         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2414         g_return_if_fail(item != NULL);
2415         g_return_if_fail(item->folder != NULL);
2416
2417         prefs_folder_item_open(item);
2418 }
2419
2420 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2421 {
2422         GSList *list = NULL;
2423         GSList *done = NULL;
2424         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2425
2426         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2427                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2428                 &&  list->data != node) {
2429                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2430                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2431                 }
2432         }
2433         for (list = done; list != NULL; list = g_slist_next(list)) {
2434                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2435                                                                  list->data);
2436         }
2437         g_slist_free(done);
2438 }
2439
2440 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2441                             FolderItem *to_folder, gboolean copy)
2442 {
2443         FolderItem *from_parent = NULL;
2444         FolderItem *new_folder = NULL;
2445         GtkCTreeNode *src_node = NULL;
2446         gchar *buf;
2447         gint status;
2448
2449         g_return_if_fail(folderview != NULL);
2450         g_return_if_fail(from_folder != NULL);
2451         g_return_if_fail(to_folder != NULL);
2452
2453         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2454         from_parent = folder_item_parent(from_folder);
2455
2456         if (prefs_common.warn_dnd) {
2457                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s' ?"):
2458                                              _("Do you really want to make folder '%s' a sub-folder of '%s' ?"),
2459                                         from_folder->name, to_folder->name);
2460                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2461                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2462                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2463                 g_free(buf);
2464
2465                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2466                         return;
2467                 else if (status & G_ALERTDISABLE)
2468                         prefs_common.warn_dnd = FALSE;
2469         }
2470
2471         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2472                                 from_folder->name, to_folder->name);
2473         STATUSBAR_PUSH(folderview->mainwin, buf);
2474         g_free(buf);
2475         summary_clear_all(folderview->summaryview);
2476         folderview->opened = NULL;
2477         folderview->selected = NULL;
2478         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2479         inc_lock();
2480         main_window_cursor_wait(folderview->mainwin);
2481
2482         statusbar_verbosity_set(FALSE);
2483         folder_item_update_freeze();
2484         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2485                 statusbar_verbosity_set(FALSE);
2486                 main_window_cursor_normal(folderview->mainwin);
2487                 STATUSBAR_POP(folderview->mainwin);
2488                 folder_item_update_thaw();
2489                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2490
2491                 folderview_sort_folders(folderview,
2492                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2493                                 NULL, to_folder), new_folder->folder);
2494                 folderview_select(folderview, new_folder);
2495         } else {
2496                 statusbar_verbosity_set(FALSE);
2497                 main_window_cursor_normal(folderview->mainwin);
2498                 STATUSBAR_POP(folderview->mainwin);
2499                 folder_item_update_thaw();
2500                 switch (status) {
2501                 case F_MOVE_FAILED_DEST_IS_PARENT:
2502                         alertpanel_error(_("Source and destination are the same."));
2503                         break;
2504                 case F_MOVE_FAILED_DEST_IS_CHILD:
2505                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2506                                                 _("Can't move a folder to one of its children."));
2507                         break;
2508                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2509                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2510                         break;
2511                 default:
2512                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2513                         break;
2514                 }
2515         }
2516         inc_unlock();
2517         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2518 }
2519
2520 static gint folderview_clist_compare(GtkCList *clist,
2521                                      gconstpointer ptr1, gconstpointer ptr2)
2522 {
2523         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2524         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2525
2526         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2527         {
2528                 return item1->order - item2->order;
2529         }
2530
2531         // if only one folder has an order it comes first
2532         if (item1->order > 0)
2533         {
2534                 return -1;
2535         }
2536         if (item2->order > 0)
2537         {
2538                 return 1;
2539         }
2540
2541         if (!item1->name)
2542                 return (item2->name != NULL);
2543         if (!item2->name)
2544                 return -1;
2545
2546         return g_utf8_collate(item1->name, item2->name);
2547 }
2548
2549 static void folderview_processing_cb(FolderView *folderview, guint action,
2550                                      GtkWidget *widget)
2551 {
2552         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2553         FolderItem *item;
2554         gchar *id, *title;
2555
2556         if (!folderview->selected) return;
2557
2558         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2559         g_return_if_fail(item != NULL);
2560         g_return_if_fail(item->folder != NULL);
2561
2562         id = folder_item_get_identifier(item);
2563         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2564         g_free (id);
2565
2566         prefs_filtering_open(&item->prefs->processing, title,
2567                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2568         g_free (title);
2569 }
2570
2571 void folderview_set_target_folder_color(gint color_op)
2572 {
2573         gint firstone = 1;
2574         GList *list;
2575         FolderView *folderview;
2576
2577         for (list = folderview_list; list != NULL; list = list->next) {
2578                 folderview = (FolderView *)list->data;
2579                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2580                 if (firstone) {
2581                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2582                                 folderview->color_op;
2583                         firstone = 0;
2584                 }
2585         }
2586 }
2587
2588 static gchar *last_font = NULL;
2589 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2590 {
2591         /* force reinit */
2592         g_free(last_font);
2593         last_font = NULL;
2594
2595 }
2596
2597 void folderview_reflect_prefs(void)
2598 {
2599         gboolean update_font = TRUE;
2600         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2601         FolderItem *item = folderview_get_selected_item(folderview);
2602         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2603                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2604         gint height = pos->value;
2605
2606         if (last_font && !strcmp(last_font, NORMAL_FONT))
2607                 update_font = FALSE;
2608
2609         g_free(last_font);
2610         last_font = g_strdup(NORMAL_FONT);
2611
2612         if (update_font) {
2613                 normal_style = normal_color_style = bold_style =
2614                         bold_color_style = bold_tgtfold_style = NULL;
2615
2616                 folderview_init(folderview);
2617         }
2618         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2619         folderview_column_set_titles(folderview);
2620         folderview_set_all();
2621
2622         g_signal_handlers_block_by_func
2623                 (G_OBJECT(folderview->ctree),
2624                  G_CALLBACK(folderview_selected), folderview);
2625
2626         if (item) {
2627                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2628                         GTK_CTREE(folderview->ctree), NULL, item);
2629
2630                 folderview_select(folderview, item);
2631                 folderview->open_folder = FALSE;
2632                 folderview->selected = node;
2633         }
2634
2635         g_signal_handlers_unblock_by_func
2636                 (G_OBJECT(folderview->ctree),
2637                  G_CALLBACK(folderview_selected), folderview);
2638
2639         pos = gtk_scrolled_window_get_vadjustment(
2640                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2641         gtk_adjustment_set_value(pos, height);
2642         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2643 }
2644
2645 static void drag_state_stop(FolderView *folderview)
2646 {
2647         if (folderview->drag_timer)
2648                 g_source_remove(folderview->drag_timer);
2649         folderview->drag_timer = 0;
2650         folderview->drag_node = NULL;
2651 }
2652
2653 static gint folderview_defer_expand(FolderView *folderview)
2654 {
2655         if (folderview->drag_node) {
2656                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2657                 if (folderview->drag_item->collapsed) {
2658                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2659                         folderview->nodes_to_recollapse = g_slist_append
2660                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2661                 }
2662         }
2663         folderview->drag_item  = NULL;
2664         folderview->drag_timer = 0;
2665         return FALSE;
2666 }
2667
2668 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2669 {
2670         /* the idea is that we call drag_state_start() whenever we want expansion to
2671          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2672          * we need to call drag_state_stop() */
2673         drag_state_stop(folderview);
2674         /* request expansion */
2675         if (0 != (folderview->drag_timer = g_timeout_add
2676                         (prefs_common.hover_timeout,
2677                          (GtkFunction)folderview_defer_expand,
2678                          folderview))) {
2679                 folderview->drag_node = node;
2680                 folderview->drag_item = item;
2681         }
2682 }
2683
2684 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2685                                   FolderView       *folderview)
2686 {
2687         GdkDragContext *context;
2688
2689         g_return_if_fail(folderview != NULL);
2690         if (folderview->selected == NULL) return;
2691         if (folderview->nodes_to_recollapse)
2692                 g_slist_free(folderview->nodes_to_recollapse);
2693         folderview->nodes_to_recollapse = NULL;
2694         context = gtk_drag_begin(widget, folderview->target_list,
2695                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2696         gtk_drag_set_icon_default(context);
2697 }
2698
2699 static void folderview_drag_data_get(GtkWidget        *widget,
2700                                      GdkDragContext   *drag_context,
2701                                      GtkSelectionData *selection_data,
2702                                      guint             info,
2703                                      guint             time,
2704                                      FolderView       *folderview)
2705 {
2706         FolderItem *item;
2707         GList *cur;
2708         gchar *source = NULL;
2709         if (info == TARGET_DUMMY) {
2710                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2711                      cur != NULL; cur = cur->next) {
2712                         item = gtk_ctree_node_get_row_data
2713                                 (GTK_CTREE(folderview->ctree),
2714                                  GTK_CTREE_NODE(cur->data));
2715                         if (item) {
2716                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2717                                 gtk_selection_data_set(selection_data,
2718                                                        selection_data->target, 8,
2719                                                        source, strlen(source));
2720                                 break;
2721                         } else
2722                                 return;
2723                 }
2724         } else {
2725                 g_warning("unknown info %d\n", info);
2726         }
2727 }
2728
2729 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2730 {
2731         FolderUpdateData *hookdata;
2732         FolderView *folderview;
2733         GtkWidget *ctree;
2734
2735         hookdata = source;
2736         folderview = (FolderView *) userdata;
2737         g_return_val_if_fail(hookdata != NULL, FALSE);
2738         g_return_val_if_fail(folderview != NULL, FALSE);
2739
2740         ctree = folderview->ctree;
2741         g_return_val_if_fail(ctree != NULL, FALSE);
2742
2743         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2744                 folderview_create_folder_node(folderview, hookdata->item);
2745         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2746                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2747                                 NULL, folder_item_parent(hookdata->item));
2748                 folderview_sort_folders(folderview, node, hookdata->folder);
2749         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2750                 GtkCTreeNode *node;
2751
2752                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2753                 if (node != NULL) {
2754                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2755                         if (folderview->selected == node)
2756                                 folderview->selected = NULL;
2757                         if (folderview->opened == node)
2758                                 folderview->opened = NULL;
2759                 }
2760         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2761                 folderview_set(folderview);
2762
2763         return FALSE;
2764 }
2765
2766 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2767                                           GdkDragContext *context,
2768                                           gint            x,
2769                                           gint            y,
2770                                           guint           time,
2771                                           FolderView     *folderview)
2772 {
2773         gint row, column;
2774         FolderItem *item = NULL, *src_item = NULL;
2775         GtkCTreeNode *node = NULL;
2776         gboolean acceptable = FALSE;
2777         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2778                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2779         int height = (int)pos->page_size;
2780         int total_height = (int)pos->upper;
2781         int vpos = (int) pos->value;
2782
2783         if (gtk_clist_get_selection_info
2784                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2785                 GtkWidget *srcwidget;
2786
2787                 if (y > height - 24 && height + vpos < total_height)
2788                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2789
2790                 if (y < 48 && y > 0)
2791                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2792
2793                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2794                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2795                 src_item = folderview->summaryview->folder_item;
2796
2797                 srcwidget = gtk_drag_get_source_widget(context);
2798                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2799                         /* comes from summaryview */
2800                         /* we are copying messages, so only accept folder items that are not
2801                            the source item, are no root items and can copy messages */
2802                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2803                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2804                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2805                                 acceptable = TRUE;
2806                 } else if (srcwidget == folderview->ctree) {
2807                         /* comes from folderview */
2808                         /* we are moving folder items, only accept folders that are not
2809                            the source items and can copy messages and create folder items */
2810                         if (item && item->folder && src_item && src_item != item &&
2811                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2812                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2813                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2814                              || item->folder == src_item->folder))
2815                                 acceptable = TRUE;
2816                 } else {
2817                         /* comes from another app */
2818                         /* we are adding messages, so only accept folder items that are
2819                            no root items and can copy messages */
2820                         if (item && item->folder && folder_item_parent(item) != NULL
2821                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2822                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2823                                 acceptable = TRUE;
2824                 }
2825         }
2826
2827         if (acceptable || (src_item && src_item == item))
2828                 drag_state_start(folderview, node, item);
2829
2830         if (acceptable) {
2831                 g_signal_handlers_block_by_func
2832                         (G_OBJECT(widget),
2833                          G_CALLBACK(folderview_selected), folderview);
2834                 gtk_ctree_select(GTK_CTREE(widget), node);
2835                 g_signal_handlers_unblock_by_func
2836                         (G_OBJECT(widget),
2837                          G_CALLBACK(folderview_selected), folderview);
2838                 gdk_drag_status(context,
2839                                         (context->actions == GDK_ACTION_COPY ?
2840                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2841         } else {
2842                 if (folderview->opened)
2843                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2844                 gdk_drag_status(context, 0, time);
2845         }
2846
2847         return acceptable;
2848 }
2849
2850 static void folderview_drag_leave_cb(GtkWidget      *widget,
2851                                      GdkDragContext *context,
2852                                      guint           time,
2853                                      FolderView     *folderview)
2854 {
2855         drag_state_stop(folderview);
2856         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2857 }
2858
2859 static void free_info (gpointer stuff, gpointer data)
2860 {
2861         g_free(stuff);
2862 }
2863
2864 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2865                            guint time, FolderItem *item)
2866 {
2867         GList *list, *tmp;
2868         GSList *msglist = NULL;
2869         list = uri_list_extract_filenames(data);
2870         if (!(item && item->folder && folder_item_parent(item) != NULL
2871                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2872         {
2873                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2874                 debug_print("item doesn't fit\n");
2875                 return;
2876         }
2877         if (!list) {
2878                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2879                 debug_print("list is empty\n");
2880                 return;
2881         }
2882         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2883                 MsgFileInfo *info = NULL;
2884
2885                 if (file_is_email((gchar *)tmp->data)) {
2886                         info = g_new0(MsgFileInfo, 1);
2887                         info->msginfo = NULL;
2888                         info->file = (gchar *)tmp->data;
2889                         msglist = g_slist_prepend(msglist, info);
2890                         debug_print("file is a mail\n");
2891                 } else {
2892                         debug_print("file isn't a mail\n");
2893                 }
2894         }
2895         if (msglist) {
2896                 msglist = g_slist_reverse(msglist);
2897                 folder_item_add_msgs(item, msglist, FALSE);
2898                 g_slist_foreach(msglist, free_info, NULL);
2899                 g_slist_free(msglist);
2900                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2901         } else {
2902                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2903         }
2904         list_free_strings(list);
2905         g_list_free(list);
2906 }
2907
2908 static void folderview_drag_received_cb(GtkWidget        *widget,
2909                                         GdkDragContext   *drag_context,
2910                                         gint              x,
2911                                         gint              y,
2912                                         GtkSelectionData *data,
2913                                         guint             info,
2914                                         guint             time,
2915                                         FolderView       *folderview)
2916 {
2917         gint row, column;
2918         FolderItem *item = NULL, *src_item;
2919         GtkCTreeNode *node;
2920
2921         if (info == TARGET_DUMMY) {
2922                 drag_state_stop(folderview);
2923                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2924                         /* comes from summaryview */
2925                         if (gtk_clist_get_selection_info
2926                                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2927                                 return;
2928
2929                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2930                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2931                         src_item = folderview->summaryview->folder_item;
2932
2933                         /* re-check (due to acceptable possibly set for folder moves */
2934                         if (!(item && item->folder && item->path && !item->no_select &&
2935                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2936                                 return;
2937                         }
2938                         if (item && src_item) {
2939                                 switch (drag_context->action) {
2940                                 case GDK_ACTION_COPY:
2941                                         summary_copy_selected_to(folderview->summaryview, item);
2942                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2943                                         break;
2944                                 case GDK_ACTION_MOVE:
2945                                 case GDK_ACTION_DEFAULT:
2946                                 default:
2947                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2948                                                 summary_copy_selected_to(folderview->summaryview, item);
2949                                         else
2950                                                 summary_move_selected_to(folderview->summaryview, item);
2951                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2952                                 }
2953                         } else
2954                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2955                 } else {
2956                         /* comes from folderview */
2957                         char *source;
2958                         gboolean folder_is_normal = TRUE;
2959                         gboolean copy = (drag_context->action == GDK_ACTION_COPY);
2960
2961                         source = data->data + 17;
2962                         if (gtk_clist_get_selection_info
2963                             (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2964                             || *source == 0) {
2965                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2966                                 return;
2967                         }
2968                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2969                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2970                         src_item = folder_find_item_from_identifier(source);
2971
2972                         folder_is_normal =
2973                                 src_item != NULL &&
2974                                 src_item->stype == F_NORMAL &&
2975                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
2976                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
2977                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
2978                                 !folder_has_parent_of_type(src_item, F_TRASH);
2979                         if (!item || item->no_select || !src_item
2980                         ||  !folder_is_normal) {
2981                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2982                                 return;
2983                         }
2984
2985                         folderview_move_folder(folderview, src_item, item, copy);
2986                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2987                 }
2988                 folderview->nodes_to_recollapse = NULL;
2989         } else if (info == TARGET_MAIL_URI_LIST) {
2990                 if (gtk_clist_get_selection_info
2991                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2992                         return;
2993
2994                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2995                 if (!node) {
2996                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2997                         debug_print("no node\n");
2998                         return;
2999                 }
3000                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
3001                 if (!item) {
3002                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3003                         debug_print("no item\n");
3004                         return;
3005                 }
3006                 folderview_finish_dnd(data->data, drag_context, time, item);
3007         }
3008 }
3009
3010 static void folderview_drag_end_cb(GtkWidget        *widget,
3011                                    GdkDragContext   *drag_context,
3012                                    FolderView       *folderview)
3013 {
3014         drag_state_stop(folderview);
3015         g_slist_free(folderview->nodes_to_recollapse);
3016         folderview->nodes_to_recollapse = NULL;
3017 }
3018
3019 void folderview_register_popup(FolderViewPopup *fpopup)
3020 {
3021         GList *folderviews;
3022
3023         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3024                 FolderView *folderview = folderviews->data;
3025                 GtkItemFactory *factory;
3026
3027                 factory = create_ifactory(folderview, fpopup);
3028                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3029         }
3030         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3031 }
3032
3033 void folderview_unregister_popup(FolderViewPopup *fpopup)
3034 {
3035         GList *folderviews;
3036
3037         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3038                 FolderView *folderview = folderviews->data;
3039
3040                 g_hash_table_remove(folderview->popups, fpopup->klass);
3041         }
3042         g_hash_table_remove(folderview_popups, fpopup->klass);
3043 }