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