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         FolderItem *sel_item = NULL, *op_item = NULL;
 714
 715         if (!mainwin)
 716                 return;
 717
 718         debug_print("Setting folder info...\n");
 719         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 720
 721         main_window_cursor_wait(mainwin);
 722
 723         if (folderview->selected)
 724                 sel_item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
 725         if (folderview->opened)
 726                 op_item = gtk_ctree_node_get_row_data(ctree, folderview->opened);
 727
 728         folderview->selected = NULL;
 729         folderview->opened = NULL;
 730
 731         gtk_clist_freeze(GTK_CLIST(ctree));
 732         gtk_clist_clear(GTK_CLIST(ctree));
 733
 734         folderview_set_folders(folderview);
 735
 736         if (sel_item)
 737                 folderview->selected = gtk_ctree_find_by_row_data(ctree, NULL, sel_item);
 738         if (op_item)
 739                 folderview->opened = gtk_ctree_find_by_row_data(ctree, NULL, op_item);
 740
 741         gtk_clist_thaw(GTK_CLIST(ctree));
 742         main_window_cursor_normal(mainwin);
 743         STATUSBAR_POP(mainwin);
 744 }
 745
 746 void folderview_set_all(void)
 747 {
 748         GList *list;
 749
 750         for (list = folderview_list; list != NULL; list = list->next)
 751                 folderview_set((FolderView *)list->data);
 752 }
 753
 754 void folderview_select(FolderView *folderview, FolderItem *item)
 755 {
 756         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 757         GtkCTreeNode *node;
 758         GtkCTreeNode *old_selected = folderview->selected;
 759
 760         if (!item) return;
 761
 762         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 763         if (node) folderview_select_node(folderview, node);
 764
 765         if (old_selected != node)
 766                 folder_update_op_count();
 767 }
 768
 769 static void mark_all_read_cb(FolderView *folderview, guint action,
 770                              GtkWidget *widget)
 771 {
 772         FolderItem *item;
 773         AlertValue val;
 774
 775         item = folderview_get_selected_item(folderview);
 776         if (item == NULL)
 777                 return;
 778
 779         if (folderview->summaryview->folder_item != item
 780         &&  prefs_common.ask_mark_all_read) {
 781                 val = alertpanel_full(_("Mark all as read"),
 782                         _("Do you really want to mark all mails in this "
 783                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 784                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 785
 786                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 787                         return;
 788                 else if (val & G_ALERTDISABLE)
 789                         prefs_common.ask_mark_all_read = FALSE;
 790         }
 791
 792         summary_lock(folderview->summaryview);
 793         folder_item_update_freeze();
 794         if (folderview->summaryview->folder_item == item)
 795                 summary_freeze(folderview->summaryview);
 796         folderutils_mark_all_read(item);
 797         if (folderview->summaryview->folder_item == item)
 798                 summary_thaw(folderview->summaryview);
 799         folder_item_update_thaw();
 800         summary_unlock(folderview->summaryview);
 801 }
 802
 803 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 804 {
 805         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 806
 807         g_return_if_fail(node != NULL);
 808
 809         if (folderview->open_folder) {
 810                 return;
 811         }
 812
 813         folderview->open_folder = TRUE;
 814         gtkut_ctree_set_focus_row(ctree, node);
 815         gtk_ctree_select(ctree, node);
 816         if (folderview->summaryview->folder_item &&
 817             folderview->summaryview->folder_item->total_msgs > 0)
 818                 summary_grab_focus(folderview->summaryview);
 819         else
 820                 gtk_widget_grab_focus(folderview->ctree);
 821
 822         gtkut_ctree_expand_parent_all(ctree, node);
 823 }
 824
 825 void folderview_unselect(FolderView *folderview)
 826 {
 827         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 828                 gtk_ctree_collapse
 829                         (GTK_CTREE(folderview->ctree), folderview->opened);
 830
 831         folderview->selected = folderview->opened = NULL;
 832 }
 833
 834 static GtkCTreeNode *folderview_find_next_marked(GtkCTree *ctree,
 835                                                  GtkCTreeNode *node)
 836 {
 837         FolderItem *item;
 838
 839         if (node)
 840                 node = gtkut_ctree_node_next(ctree, node);
 841         else
 842                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 843
 844         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 845                 item = gtk_ctree_node_get_row_data(ctree, node);
 846                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 847                         return node;
 848         }
 849
 850         return NULL;
 851 }
 852
 853 void folderview_select_next_marked(FolderView *folderview)
 854 {
 855         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 856         GtkCTreeNode *node = NULL;
 857         SelectOnEntry last_sel = prefs_common.select_on_entry;
 858         gboolean last_open = prefs_common.always_show_msg;
 859
 860         prefs_common.select_on_entry = SELECTONENTRY_MNU;
 861         prefs_common.always_show_msg = TRUE;
 862
 863         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 864             != NULL) {
 865                 folderview_select_node(folderview, node);
 866                 goto out;
 867         }
 868
 869         if (!folderview->opened ||
 870             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 871                 goto out;
 872         }
 873         /* search again from the first node */
 874         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 875                 folderview_select_node(folderview, node);
 876
 877 out:
 878         prefs_common.select_on_entry = last_sel;
 879         prefs_common.always_show_msg = last_open;
 880 }
 881
 882 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 883                                                  GtkCTreeNode *node)
 884 {
 885         FolderItem *item;
 886
 887         if (node)
 888                 node = gtkut_ctree_node_next(ctree, node);
 889         else
 890                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 891
 892         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 893                 item = gtk_ctree_node_get_row_data(ctree, node);
 894                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 895                         return node;
 896         }
 897
 898         return NULL;
 899 }
 900
 901 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 902 {
 903         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 904         GtkCTreeNode *node = NULL;
 905         SelectOnEntry last_sel = prefs_common.select_on_entry;
 906         gboolean last_open = prefs_common.always_show_msg;
 907
 908         prefs_common.select_on_entry = SELECTONENTRY_UNM;
 909         prefs_common.always_show_msg = force_open ? TRUE : last_open;
 910
 911         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 912             != NULL) {
 913                 folderview_select_node(folderview, node);
 914                 goto out;
 915         }
 916
 917         if (!folderview->opened ||
 918             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 919                 goto out;
 920         }
 921         /* search again from the first node */
 922         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 923                 folderview_select_node(folderview, node);
 924
 925 out:
 926         prefs_common.select_on_entry = last_sel;
 927         prefs_common.always_show_msg = last_open;
 928 }
 929
 930 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 931                                                  GtkCTreeNode *node)
 932 {
 933         FolderItem *item;
 934
 935         if (node)
 936                 node = gtkut_ctree_node_next(ctree, node);
 937         else
 938                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 939
 940         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 941                 item = gtk_ctree_node_get_row_data(ctree, node);
 942                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 943                         return node;
 944         }
 945
 946         return NULL;
 947 }
 948
 949 void folderview_select_next_new(FolderView *folderview)
 950 {
 951         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 952         GtkCTreeNode *node = NULL;
 953         SelectOnEntry last_sel = prefs_common.select_on_entry;
 954         gboolean last_open = prefs_common.always_show_msg;
 955
 956         prefs_common.select_on_entry = SELECTONENTRY_NUM;
 957         prefs_common.always_show_msg = TRUE;
 958
 959         if ((node = folderview_find_next_new(ctree, folderview->opened))
 960             != NULL) {
 961                 folderview_select_node(folderview, node);
 962                 goto out;
 963         }
 964
 965         if (!folderview->opened ||
 966             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list)) {
 967                 goto out;
 968         }
 969         /* search again from the first node */
 970         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
 971                 folderview_select_node(folderview, node);
 972
 973 out:
 974         prefs_common.select_on_entry = last_sel;
 975         prefs_common.always_show_msg = last_open;
 976 }
 977
 978 FolderItem *folderview_get_selected_item(FolderView *folderview)
 979 {
 980         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 981
 982         if (!folderview->selected) return NULL;
 983         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 984 }
 985
 986 static void folderview_set_folders(FolderView *folderview)
 987 {
 988         GList *list;
 989         list = folder_get_list();
 990
 991         for (; list != NULL; list = list->next) {
 992                 folderview_append_folder(folderview, FOLDER(list->data));
 993         }
 994 }
 995
 996 static gchar *get_scan_str(FolderItem *item)
 997 {
 998         if (item->path)
 999                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1000                                       item->folder->name, G_DIR_SEPARATOR,
1001                                       item->path);
1002         else
1003                 return g_strdup_printf(_("Scanning folder %s ..."),
1004                                       item->folder->name);
1005 }
1006 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1007                                       gpointer data)
1008 {
1009         GList *list;
1010         for (list = folderview_list; list != NULL; list = list->next) {
1011                 FolderView *folderview = (FolderView *)list->data;
1012                 MainWindow *mainwin = folderview->mainwin;
1013                 gchar *str = get_scan_str(item);
1014
1015                 STATUSBAR_PUSH(mainwin, str);
1016                 STATUSBAR_POP(mainwin);
1017                 g_free(str);
1018         }
1019 }
1020
1021 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1022 {
1023         GtkWidget *window;
1024         MainWindow *mainwin = mainwindow_get_mainwindow();
1025         FolderView *folderview = NULL;
1026         GtkAdjustment *pos = NULL;
1027         gint height = 0;
1028
1029         g_return_if_fail(folder != NULL);
1030
1031         if (!folder->klass->scan_tree) return;
1032
1033         if (rebuild &&
1034             alertpanel_full(_("Rebuild folder tree"),
1035                          _("Rebuilding the folder tree will remove "
1036                            "local caches. Do you want to continue?"),
1037                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1038                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1039                 != G_ALERTALTERNATE) {
1040                 return;
1041         }
1042
1043         inc_lock();
1044         if (rebuild)
1045                 window = label_window_create(_("Rebuilding folder tree..."));
1046         else
1047                 window = label_window_create(_("Scanning folder tree..."));
1048
1049         if (mainwin)
1050                 folderview = mainwin->folderview;
1051
1052         if (folderview) {
1053                 pos = gtk_scrolled_window_get_vadjustment(
1054                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1055                 height = pos->value;
1056         }
1057
1058         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1059         folder_scan_tree(folder, rebuild);
1060         folder_set_ui_func(folder, NULL, NULL);
1061
1062         folderview_set_all();
1063
1064         if (folderview) {
1065                 pos = gtk_scrolled_window_get_vadjustment(
1066                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1067                 gtk_adjustment_set_value(pos, height);
1068         }
1069         gtk_widget_destroy(window);
1070         inc_unlock();
1071 }
1072
1073 void folderview_fast_rescan_tree(Folder *folder)
1074 {
1075         GtkWidget *window;
1076         MainWindow *mainwin = mainwindow_get_mainwindow();
1077         FolderView *folderview = NULL;
1078         GtkAdjustment *pos = NULL;
1079         gint height = 0;
1080
1081         g_return_if_fail(folder != NULL);
1082
1083         if (!folder->klass->scan_tree) return;
1084
1085         inc_lock();
1086
1087         window = label_window_create(_("Scanning folder tree..."));
1088
1089         if (mainwin)
1090                 folderview = mainwin->folderview;
1091
1092         if (folderview) {
1093                 pos = gtk_scrolled_window_get_vadjustment(
1094                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1095                 height = pos->value;
1096         }
1097
1098         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1099         folder_fast_scan_tree(folder);
1100         folder_set_ui_func(folder, NULL, NULL);
1101
1102         folderview_set_all();
1103
1104         if (folderview) {
1105                 pos = gtk_scrolled_window_get_vadjustment(
1106                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1107                 gtk_adjustment_set_value(pos, height);
1108         }
1109         gtk_widget_destroy(window);
1110         inc_unlock();
1111 }
1112
1113 /** folderview_check_new()
1114  *  Scan and update the folder and return the
1115  *  count the number of new messages since last check.
1116  *  \param folder the folder to check for new messages
1117  *  \return the number of new messages since last check
1118  */
1119 gint folderview_check_new(Folder *folder)
1120 {
1121         GList *list;
1122         FolderItem *item;
1123         FolderView *folderview;
1124         GtkCTree *ctree;
1125         GtkCTreeNode *node;
1126         gint new_msgs = 0;
1127         gint former_new_msgs = 0;
1128         gint former_new = 0, former_unread = 0, former_total;
1129
1130         for (list = folderview_list; list != NULL; list = list->next) {
1131                 folderview = (FolderView *)list->data;
1132                 ctree = GTK_CTREE(folderview->ctree);
1133
1134                 inc_lock();
1135                 main_window_lock(folderview->mainwin);
1136
1137                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1138                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1139                         gchar *str = NULL;
1140                         item = gtk_ctree_node_get_row_data(ctree, node);
1141                         if (!item || !item->path || !item->folder) continue;
1142                         if (item->no_select) continue;
1143                         if (folder && folder != item->folder) continue;
1144                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1145                         if (!item->prefs->newmailcheck) continue;
1146                         if (item->processing_pending == TRUE) {
1147                                 debug_print("skipping %s, processing pending\n",
1148                                         item->path ? item->path : item->name);
1149                                 continue;
1150                         }
1151
1152                         str = get_scan_str(item);
1153
1154                         STATUSBAR_PUSH(folderview->mainwin, str);
1155                         GTK_EVENTS_FLUSH();
1156                         g_free(str);
1157
1158                         folderview_scan_tree_func(item->folder, item, NULL);
1159                         former_new    = item->new_msgs;
1160                         former_unread = item->unread_msgs;
1161                         former_total  = item->total_msgs;
1162
1163                         if (item->folder->klass->scan_required &&
1164                             (item->folder->klass->scan_required(item->folder, item) ||
1165                              item->folder->inbox == item ||
1166                              item->opened == TRUE ||
1167                              item->processing_pending == TRUE)) {
1168                                 if (folder_item_scan(item) < 0) {
1169                                         if (folder) {
1170                                                 summaryview_unlock(folderview->summaryview, item);
1171                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1172                                                         log_error(_("Couldn't scan folder %s\n"),
1173                                                                 item->path ? item->path:item->name);
1174                                                         continue;
1175                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1176                                                         STATUSBAR_POP(folderview->mainwin);
1177                                                         break;
1178                                                 }
1179                                         }
1180                                 }
1181                         } else if (!item->folder->klass->scan_required) {
1182                                 if (folder_item_scan(item) < 0) {
1183                                         summaryview_unlock(folderview->summaryview, item);
1184                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1185                                                 STATUSBAR_POP(folderview->mainwin);
1186                                                 break;
1187                                         }
1188                                 }
1189                         }
1190                         if (former_new    != item->new_msgs ||
1191                             former_unread != item->unread_msgs ||
1192                             former_total  != item->total_msgs)
1193                                 folderview_update_node(folderview, node);
1194
1195                         new_msgs += item->new_msgs;
1196                         former_new_msgs += former_new;
1197                         STATUSBAR_POP(folderview->mainwin);
1198                 }
1199
1200                 main_window_unlock(folderview->mainwin);
1201                 inc_unlock();
1202         }
1203
1204         folder_write_list();
1205         /* Number of new messages since last check is the just the difference
1206          * between former_new_msgs and new_msgs. If new_msgs is less than
1207          * former_new_msgs, that would mean another session accessed the folder
1208          * and the result is not well defined.
1209          */
1210         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1211         return new_msgs;
1212 }
1213
1214 void folderview_check_new_all(void)
1215 {
1216         GList *list;
1217         GtkWidget *window;
1218         FolderView *folderview;
1219
1220         folderview = (FolderView *)folderview_list->data;
1221
1222         inc_lock();
1223         main_window_lock(folderview->mainwin);
1224         window = label_window_create
1225                 (_("Checking for new messages in all folders..."));
1226
1227         list = folder_get_list();
1228         for (; list != NULL; list = list->next) {
1229                 Folder *folder = list->data;
1230
1231                 folderview_check_new(folder);
1232         }
1233
1234         folder_write_list();
1235         folderview_set_all();
1236
1237         gtk_widget_destroy(window);
1238         main_window_unlock(folderview->mainwin);
1239         inc_unlock();
1240 }
1241
1242 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1243                                                  FolderItem *item,
1244                                                  gboolean in_sub)
1245 {
1246         GNode *node = NULL;
1247
1248         if (!item || !item->folder || !item->folder->node)
1249                 return FALSE;
1250
1251         node = item->folder->node;
1252
1253         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1254         node = node->children;
1255
1256         if (in_sub &&
1257             (item->new_msgs > 0 ||
1258             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1259                 return TRUE;
1260         }
1261
1262         while (node != NULL) {
1263                 if (node && node->data) {
1264                         FolderItem *next_item = (FolderItem*) node->data;
1265                         node = node->next;
1266                         if (folderview_have_new_children_sub(folderview,
1267                                                              next_item, TRUE))
1268                                 return TRUE;
1269                 }
1270         }
1271
1272         return FALSE;
1273 }
1274
1275 static gboolean folderview_have_new_children(FolderView *folderview,
1276                                              FolderItem *item)
1277 {
1278         return folderview_have_new_children_sub(folderview, item, FALSE);
1279 }
1280
1281 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1282                                                     FolderItem *item,
1283                                                     gboolean in_sub)
1284 {
1285         GNode *node = NULL;
1286
1287         if (!item || !item->folder || !item->folder->node)
1288                 return FALSE;
1289
1290         node = item->folder->node;
1291
1292         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1293         node = node->children;
1294
1295         if (in_sub &&
1296             (item->unread_msgs > 0 ||
1297             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1298                 return TRUE;
1299         }
1300
1301         while (node != NULL) {
1302                 if (node && node->data) {
1303                         FolderItem *next_item = (FolderItem*) node->data;
1304                         node = node->next;
1305                         if (folderview_have_unread_children_sub(folderview,
1306                                                                 next_item,
1307                                                                 TRUE))
1308                                 return TRUE;
1309                 }
1310         }
1311
1312         return FALSE;
1313 }
1314
1315 static gboolean folderview_have_unread_children(FolderView *folderview,
1316                                                 FolderItem *item)
1317 {
1318         return folderview_have_unread_children_sub(folderview, item, FALSE);
1319 }
1320
1321 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1322                                                       FolderItem *item,
1323                                                       gboolean in_sub)
1324 {
1325         GNode *node = NULL;
1326
1327         if (!item || !item->folder || !item->folder->node)
1328                 return FALSE;
1329
1330         node = item->folder->node;
1331
1332         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1333         node = node->children;
1334
1335         if (in_sub && item->search_match){
1336                 return TRUE;
1337         }
1338
1339         while (node != NULL) {
1340                 if (node && node->data) {
1341                         FolderItem *next_item = (FolderItem*) node->data;
1342                         node = node->next;
1343                         if (folderview_have_matching_children_sub(folderview,
1344                                                                   next_item,
1345                                                                   TRUE))
1346                                 return TRUE;
1347                 }
1348         }
1349
1350         return FALSE;
1351 }
1352
1353 static gboolean folderview_have_matching_children(FolderView *folderview,
1354                                                   FolderItem *item)
1355 {
1356         return folderview_have_matching_children_sub(folderview, item, FALSE);
1357 }
1358
1359 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1360                                                     FolderItem *item,
1361                                                     gboolean in_sub)
1362 {
1363         GNode *node = NULL;
1364
1365         if (!item || !item->folder || !item->folder->node)
1366                 return FALSE;
1367
1368         node = item->folder->node;
1369
1370         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1371         node = node->children;
1372
1373         if (item->marked_msgs != 0) {
1374                 return TRUE;
1375         }
1376
1377         while (node != NULL) {
1378                 if (node && node->data) {
1379                         FolderItem *next_item = (FolderItem*) node->data;
1380                         node = node->next;
1381                         if (folderview_have_marked_children_sub(folderview,
1382                                                                 next_item, TRUE))
1383                                 return TRUE;
1384                 }
1385         }
1386
1387         return FALSE;
1388 }
1389
1390 static gboolean folderview_have_marked_children(FolderView *folderview,
1391                                              FolderItem *item)
1392 {
1393         return folderview_have_marked_children_sub(folderview, item, FALSE);
1394 }
1395
1396 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1397 {
1398         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1399         GtkStyle *style = NULL;
1400         GtkStyle *color_style = NULL;
1401         FolderItem *item;
1402         GdkPixmap *xpm, *openxpm;
1403         GdkBitmap *mask, *openmask;
1404         static GdkPixmap *searchicon;
1405         static GdkBitmap *searchmask;
1406         gboolean mark = FALSE;
1407         gchar *name;
1408         gchar *str;
1409         gboolean add_unread_mark;
1410         gboolean add_sub_match_mark;
1411         gboolean use_bold, use_color;
1412         gint *col_pos = folderview->col_pos;
1413         SpecialFolderItemType stype;
1414
1415         item = gtk_ctree_node_get_row_data(ctree, node);
1416         g_return_if_fail(item != NULL);
1417
1418         if (!GTK_CTREE_ROW(node)->expanded)
1419                 mark = folderview_have_marked_children(folderview, item);
1420         else
1421                 mark = (item->marked_msgs != 0);
1422
1423         stype = item->stype;
1424         if (stype == F_NORMAL) {
1425                 if (folder_has_parent_of_type(item, F_TRASH))
1426                         stype = F_TRASH;
1427                 else if (folder_has_parent_of_type(item, F_DRAFT))
1428                         stype = F_DRAFT;
1429                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1430                         stype = F_OUTBOX;
1431                 else if (folder_has_parent_of_type(item, F_QUEUE))
1432                         stype = F_QUEUE;
1433         }
1434         switch (stype) {
1435         case F_INBOX:
1436                 if (item->hide_read_msgs) {
1437                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1438                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1439                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1440                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1441                 } else {
1442                         xpm = mark?m_inboxxpm:inboxxpm;
1443                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1444                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1445                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1446                 }
1447                 break;
1448         case F_OUTBOX:
1449                 if (item->hide_read_msgs) {
1450                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1451                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1452                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1453                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1454                 } else {
1455                         xpm = mark?m_outboxxpm:outboxxpm;
1456                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1457                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1458                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1459                 }
1460                 break;
1461         case F_QUEUE:
1462                 if (item->hide_read_msgs) {
1463                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1464                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1465                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1466                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1467                 } else {
1468                         xpm = mark?m_queuexpm:queuexpm;
1469                         mask = mark?m_queuexpmmask:queuexpmmask;
1470                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1471                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1472                 }
1473                 break;
1474         case F_TRASH:
1475                 if (item->hide_read_msgs) {
1476                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1477                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1478                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1479                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1480                 } else {
1481                         xpm = mark?m_trashxpm:trashxpm;
1482                         mask = mark?m_trashxpmmask:trashxpmmask;
1483                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1484                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1485                 }
1486                 break;
1487         case F_DRAFT:
1488                 xpm = mark?m_draftsxpm:draftsxpm;
1489                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1490                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1491                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1492                 break;
1493         default:
1494                 if (item->hide_read_msgs) {
1495                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1496                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1497                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1498                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1499                 } else {
1500                         xpm = mark?m_folderxpm:folderxpm;
1501                         mask = mark?m_folderxpmmask:folderxpmmask;
1502                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1503                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1504                 }
1505         }
1506
1507         if (item->no_select) {
1508                 xpm = openxpm = noselectxpm;
1509                 mask = openmask = noselectxpmmask;
1510         }
1511
1512         name = folder_item_get_name(item);
1513
1514         if (!GTK_CTREE_ROW(node)->expanded) {
1515                 add_unread_mark = folderview_have_unread_children(
1516                                         folderview, item);
1517                 add_sub_match_mark = folderview_have_matching_children(
1518                                         folderview, item);
1519         } else {
1520                 add_unread_mark = FALSE;
1521                 add_sub_match_mark = FALSE;
1522         }
1523
1524         if (item->search_match) {
1525                 if (!searchicon) {
1526                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1527                          &searchicon, &searchmask);
1528                 }
1529                 xpm = openxpm = searchicon;
1530                 mask = openmask = searchmask;
1531         }
1532
1533         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0 &&
1534             prefs_common.display_folder_unread) {
1535                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1536                                       add_unread_mark ? "+" : "");
1537                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1538                                         xpm, mask, openxpm, openmask,
1539                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1540                 g_free(str);
1541         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1542                     prefs_common.display_folder_unread)
1543                    || add_sub_match_mark) {
1544
1545                 if (item->unread_msgs > 0)
1546                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1547                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1548                                               item->unreadmarked_msgs > 0 ? "!":"");
1549                 else
1550                         str = g_strdup_printf("%s (+)", name);
1551                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1552                                         xpm, mask, openxpm, openmask,
1553                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1554                 g_free(str);
1555         } else {
1556                 str = g_strdup_printf("%s%s", name,
1557                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1558
1559                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1560                                         xpm, mask, openxpm, openmask,
1561                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1562                 g_free(str);
1563         }
1564         g_free(name);
1565
1566         if (!folder_item_parent(item)) {
1567                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1568                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1569                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1570         } else {
1571                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    itos(item->new_msgs));
1572                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], itos(item->unread_msgs));
1573                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  itos(item->total_msgs));
1574         }
1575
1576         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1577             folder_has_parent_of_type(item, F_DRAFT) ||
1578             folder_has_parent_of_type(item, F_TRASH)) {
1579                 use_bold = use_color = FALSE;
1580         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1581                 /* highlight queue folder if there are any messages */
1582                 use_bold = use_color = (item->total_msgs > 0);
1583         } else {
1584                 /* if unread messages exist, print with bold font */
1585                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1586                                 || add_unread_mark;
1587                 /* if new messages exist, print with colored letter */
1588                 use_color =
1589                         (item->new_msgs > 0) ||
1590                         (add_unread_mark &&
1591                          folderview_have_new_children(folderview, item));
1592         }
1593
1594         gtk_ctree_node_set_foreground(ctree, node, NULL);
1595
1596         if (use_bold) {
1597                 GdkColor gdk_color;
1598
1599                 if (item->prefs->color > 0 && !use_color) {
1600                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1601                         color_style = gtk_style_copy(bold_style);
1602                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1603                         style = color_style;
1604                 } else if (use_color) {
1605                         style = bold_color_style;
1606                 } else
1607                         style = bold_style;
1608                 if (item->op_count > 0) {
1609                         style = bold_tgtfold_style;
1610                 }
1611         } else if (use_color) {
1612                 style = normal_color_style;
1613                 gtk_ctree_node_set_foreground(ctree, node,
1614                                               &folderview->color_new);
1615         } else if (item->op_count > 0) {
1616                 style = bold_tgtfold_style;
1617         } else if (item->prefs->color > 0) {
1618                 GdkColor gdk_color;
1619                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1620                 color_style = gtk_style_copy(normal_style);
1621                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1622                 style = color_style;
1623         } else {
1624                 style = normal_style;
1625         }
1626
1627         gtk_ctree_node_set_row_style(ctree, node, style);
1628
1629         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1630                 folderview_update_node(folderview, node);
1631 }
1632
1633 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1634 {
1635         GList *list;
1636         FolderView *folderview;
1637         GtkCTree *ctree;
1638         GtkCTreeNode *node;
1639
1640         g_return_if_fail(item != NULL);
1641
1642         for (list = folderview_list; list != NULL; list = list->next) {
1643                 folderview = (FolderView *)list->data;
1644                 ctree = GTK_CTREE(folderview->ctree);
1645
1646                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1647                 if (node) {
1648                         item->search_match = matches;
1649                         folderview_update_node(folderview, node);
1650                 }
1651         }
1652 }
1653
1654 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1655 {
1656         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1657         FolderView *folderview = (FolderView *)data;
1658         GtkCTree *ctree;
1659         GtkCTreeNode *node;
1660         g_return_val_if_fail(update_info != NULL, TRUE);
1661         g_return_val_if_fail(update_info->item != NULL, TRUE);
1662         g_return_val_if_fail(folderview != NULL, FALSE);
1663
1664         ctree = GTK_CTREE(folderview->ctree);
1665
1666         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1667
1668         if (node) {
1669                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1670                         folderview_update_node(folderview, node);
1671
1672                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1673                      update_info->item == folderview->summaryview->folder_item &&
1674                      update_info->item != NULL)
1675                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1676                                 summary_show(folderview->summaryview, update_info->item);
1677         }
1678
1679         return FALSE;
1680 }
1681
1682 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1683                                       GNode *gnode, GtkCTreeNode *cnode,
1684                                       gpointer data)
1685 {
1686         FolderView *folderview = (FolderView *)data;
1687         FolderItem *item = FOLDER_ITEM(gnode->data);
1688
1689         g_return_val_if_fail(item != NULL, FALSE);
1690
1691         gtk_ctree_node_set_row_data(ctree, cnode, item);
1692         folderview_update_node(folderview, cnode);
1693
1694         return TRUE;
1695 }
1696
1697 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1698                                    gpointer data)
1699 {
1700         FolderView *folderview = (FolderView *)data;
1701         FolderItem *item;
1702
1703         if (GTK_CTREE_ROW(node)->children) {
1704                 item = gtk_ctree_node_get_row_data(ctree, node);
1705                 g_return_if_fail(item != NULL);
1706
1707                 if (!item->collapsed)
1708                         gtk_ctree_expand(ctree, node);
1709                 else
1710                         folderview_update_node(folderview, node);
1711         }
1712 }
1713
1714 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1715                                GtkCTreeNode *root, GtkCTreeNode **prev)
1716 {
1717         if (item) {
1718                 GtkCTreeNode *node, *parent, *sibling;
1719
1720                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1721                 if (!node)
1722                         g_warning("%s not found.\n", item->path);
1723                 else {
1724                         parent = GTK_CTREE_ROW(node)->parent;
1725                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1726                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1727                         else
1728                                 sibling = GTK_CTREE_ROW(parent)->children;
1729                         while (sibling) {
1730                                 FolderItem *tmp;
1731
1732                                 tmp = gtk_ctree_node_get_row_data
1733                                         (ctree, sibling);
1734                                 if (tmp->stype != F_NORMAL)
1735                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1736                                 else
1737                                         break;
1738                         }
1739                         if (node != sibling)
1740                                 gtk_ctree_move(ctree, node, parent, sibling);
1741                 }
1742
1743                 *prev = node;
1744         }
1745 }
1746
1747 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1748                                     Folder *folder)
1749 {
1750         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1751         GtkCTreeNode *prev = NULL;
1752
1753         gtk_clist_freeze(GTK_CLIST(ctree));
1754         gtk_sctree_sort_recursive(ctree, root);
1755         if (root && GTK_CTREE_ROW(root)->parent) {
1756                 gtk_clist_thaw(GTK_CLIST(ctree));
1757                 return;
1758         }
1759         set_special_folder(ctree, folder->inbox, root, &prev);
1760         set_special_folder(ctree, folder->outbox, root, &prev);
1761         set_special_folder(ctree, folder->draft, root, &prev);
1762         set_special_folder(ctree, folder->queue, root, &prev);
1763         set_special_folder(ctree, folder->trash, root, &prev);
1764         gtk_clist_thaw(GTK_CLIST(ctree));
1765 }
1766
1767 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1768 {
1769         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1770         GtkCTreeNode *root;
1771
1772         g_return_if_fail(folder != NULL);
1773
1774         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1775                                       folderview_gnode_func, folderview);
1776         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1777                                 folderview);
1778         folderview_sort_folders(folderview, root, folder);
1779 }
1780
1781 /* callback functions */
1782 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1783                                 GdkEventButton *event)
1784 {
1785         GtkCList *clist = GTK_CLIST(folderview->ctree);
1786         FolderItem *item;
1787         Folder *folder;
1788         FolderViewPopup *fpopup;
1789         GtkItemFactory *fpopup_factory;
1790         GtkWidget *popup;
1791         FolderItem *special_trash = NULL, *special_queue = NULL;
1792         PrefsAccount *ac;
1793
1794         if (row > 0)
1795                 item = gtk_clist_get_row_data(clist, row);
1796         else
1797                 item = folderview_get_selected_item(folderview);
1798
1799         g_return_if_fail(item != NULL);
1800         g_return_if_fail(item->folder != NULL);
1801         folder = item->folder;
1802
1803         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1804         if (fpopup != NULL)
1805                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1806         else {
1807                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1808                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1809         }
1810
1811         if (fpopup->set_sensitivity != NULL)
1812                 fpopup->set_sensitivity(fpopup_factory, item);
1813
1814         if (NULL != (ac = account_find_from_item(item))) {
1815                 special_trash = account_get_special_folder(ac, F_TRASH);
1816                 special_queue = account_get_special_folder(ac, F_QUEUE);
1817         }
1818
1819         if ((item == folder->trash || item == special_trash
1820              || folder_has_parent_of_type(item, F_TRASH)) &&
1821             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1822                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1823                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1824         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)
1825                 && !folder_has_parent_of_type(item, F_TRASH)) {
1826                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1827                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1828         }
1829
1830         if ((item == folder->queue || item == special_queue
1831              || folder_has_parent_of_type(item, F_QUEUE)) &&
1832             gtk_item_factory_get_item(fpopup_factory, "/Send queue...") == NULL) {
1833                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[0], folderview, 1);
1834                 gtk_item_factory_create_item(fpopup_factory, &folder_view_queue_popup_entries[1], folderview, 1);
1835         } else if (item != folder->queue && (special_queue == NULL || item != special_queue)
1836                 && !folder_has_parent_of_type(item, F_QUEUE)) {
1837                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[0]);
1838                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_queue_popup_entries[1]);
1839         }
1840
1841 #define SET_SENS(name, sens) \
1842         menu_set_sensitive(fpopup_factory, name, sens)
1843
1844         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1845         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1846                  folderview->selected == folderview->opened);
1847         SET_SENS("/Properties...", TRUE);
1848         SET_SENS("/Processing...", item->node->parent != NULL);
1849         if (item == folder->trash || item == special_trash
1850             || folder_has_parent_of_type(item, F_TRASH)) {
1851                 GSList *msglist = folder_item_get_msg_list(item);
1852                 SET_SENS("/Empty trash...", msglist != NULL);
1853                 procmsg_msg_list_free(msglist);
1854         }
1855         if (item == folder->queue || item == special_queue
1856             || folder_has_parent_of_type(item, F_QUEUE)) {
1857                 GSList *msglist = folder_item_get_msg_list(item);
1858                 SET_SENS("/Send queue...", msglist != NULL);
1859                 procmsg_msg_list_free(msglist);
1860         }
1861 #undef SET_SENS
1862
1863         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1864         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1865                        event->button, event->time);
1866
1867
1868 }
1869
1870 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1871                                           FolderView *folderview)
1872 {
1873         GtkCList *clist = GTK_CLIST(ctree);
1874         gint prev_row = -1, row = -1, column = -1;
1875
1876         if (!event) return FALSE;
1877
1878         if (event->button == 1 || event->button == 2) {
1879                 if (!gtk_ctree_is_hot_spot (GTK_CTREE(clist), event->x, event->y))
1880                         folderview->open_folder = TRUE;
1881
1882                 if (event->type == GDK_2BUTTON_PRESS) {
1883                         if (clist->selection) {
1884                                 GtkCTreeNode *node;
1885
1886                                 node = GTK_CTREE_NODE(clist->selection->data);
1887                                 if (node) {
1888                                         gtk_ctree_toggle_expansion(
1889                                                 GTK_CTREE(ctree),
1890                                                 node);
1891                                         folderview->open_folder = FALSE;
1892                                 }
1893                         }
1894                 }
1895                 return FALSE;
1896         }
1897
1898         if (event->button == 2 || event->button == 3) {
1899                 /* right clicked */
1900                 if (clist->selection) {
1901                         GtkCTreeNode *node;
1902
1903                         node = GTK_CTREE_NODE(clist->selection->data);
1904                         if (node)
1905                                 prev_row = gtkut_ctree_get_nth_from_node
1906                                         (GTK_CTREE(ctree), node);
1907                 }
1908
1909                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1910                                                   &row, &column))
1911                         return FALSE;
1912                 if (prev_row != row) {
1913                         gtk_clist_unselect_all(clist);
1914                         if (event->button == 2)
1915                                 folderview_select_node
1916                                         (folderview,
1917                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1918                                                             row));
1919                         else
1920                                 gtk_clist_select_row(clist, row, column);
1921                 }
1922         }
1923
1924         if (event->button != 3) return FALSE;
1925
1926         folderview_set_sens_and_popup_menu(folderview, row, event);
1927         return FALSE;
1928 }
1929
1930 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1931                                            FolderView *folderview)
1932 {
1933         if (!event) return FALSE;
1934
1935         if (event->button == 1 && folderview->open_folder == FALSE &&
1936             folderview->opened != NULL) {
1937                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1938                                           folderview->opened);
1939                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1940         }
1941
1942         return FALSE;
1943 }
1944
1945 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1946                                        FolderView *folderview)
1947 {
1948         if (!event) return FALSE;
1949
1950         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1951                 return FALSE;
1952
1953         switch (event->keyval) {
1954         case GDK_Return:
1955                 if (folderview->selected) {
1956                         folderview_select_node(folderview,
1957                                                folderview->selected);
1958                 }
1959                 break;
1960         case GDK_space:
1961                 if (folderview->selected) {
1962                         if (folderview->opened == folderview->selected &&
1963                             (!folderview->summaryview->folder_item ||
1964                              folderview->summaryview->folder_item->total_msgs == 0))
1965                                 folderview_select_next_unread(folderview, TRUE);
1966                         else
1967                                 folderview_select_node(folderview,
1968                                                        folderview->selected);
1969                 }
1970                 break;
1971         default:
1972                 break;
1973         }
1974
1975         return FALSE;
1976 }
1977
1978 typedef struct _PostponedSelectData
1979 {
1980         GtkCTree *ctree;
1981         GtkCTreeNode *row;
1982         gint column;
1983         FolderView *folderview;
1984 } PostponedSelectData;
1985
1986 static gboolean postpone_select(void *data)
1987 {
1988         PostponedSelectData *psdata = (PostponedSelectData *)data;
1989         debug_print("trying again\n");
1990         psdata->folderview->open_folder = TRUE;
1991         main_window_cursor_normal(psdata->folderview->mainwin);
1992         STATUSBAR_POP(psdata->folderview->mainwin);
1993         folderview_selected(psdata->ctree, psdata->row,
1994                             psdata->column, psdata->folderview);
1995         g_free(psdata);
1996         return FALSE;
1997 }
1998
1999 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
2000                                 gint column, FolderView *folderview)
2001 {
2002         static gboolean can_select = TRUE;      /* exclusive lock */
2003         gboolean opened;
2004         FolderItem *item;
2005         gchar *buf;
2006         int res = 0;
2007         START_TIMING("");
2008         folderview->selected = row;
2009
2010         debug_print("newly selected %p, opened %p\n", folderview->selected,
2011                         folderview->opened);
2012         if (folderview->opened == row) {
2013                 folderview->open_folder = FALSE;
2014                 END_TIMING();
2015                 return;
2016         }
2017
2018         if (!can_select || summary_is_locked(folderview->summaryview)) {
2019                 if (folderview->opened) {
2020                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2021                         gtk_ctree_select(ctree, folderview->opened);
2022                 }
2023                 folderview->open_folder = FALSE;
2024                 END_TIMING();
2025                 return;
2026         }
2027
2028         if (!folderview->open_folder) {
2029                 END_TIMING();
2030                 return;
2031         }
2032         item = gtk_ctree_node_get_row_data(ctree, row);
2033         if (!item || item->no_select) {
2034                 END_TIMING();
2035                 folderview->open_folder = FALSE;
2036                 return;
2037         }
2038
2039         can_select = FALSE;
2040
2041         /* Save cache for old folder */
2042         /* We don't want to lose all caches if sylpheed crashed */
2043         if (folderview->opened) {
2044                 FolderItem *olditem;
2045
2046                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
2047                 if (olditem) {
2048                         buf = g_strdup_printf(_("Closing Folder %s..."),
2049                                 olditem->path ? olditem->path:olditem->name);
2050                         /* will be null if we just moved the previously opened folder */
2051                         STATUSBAR_PUSH(folderview->mainwin, buf);
2052                         main_window_cursor_wait(folderview->mainwin);
2053                         g_free(buf);
2054                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2055                         summary_show(folderview->summaryview, NULL);
2056                         folder_item_close(olditem);
2057                         main_window_cursor_normal(folderview->mainwin);
2058                         STATUSBAR_POP(folderview->mainwin);
2059                 }
2060         }
2061
2062         /* CLAWS: set compose button type: news folder items
2063          * always have a news folder as parent */
2064         if (item->folder)
2065                 toolbar_set_compose_button
2066                         (folderview->mainwin->toolbar,
2067                          FOLDER_TYPE(item->folder) == F_NEWS ?
2068                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2069
2070         if (item->path)
2071                 debug_print("Folder %s is selected\n", item->path);
2072
2073         if (!GTK_CTREE_ROW(row)->children)
2074                 gtk_ctree_expand(ctree, row);
2075         if (folderview->opened &&
2076             !GTK_CTREE_ROW(folderview->opened)->children)
2077                 gtk_ctree_collapse(ctree, folderview->opened);
2078
2079         /* ungrab the mouse event */
2080         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2081                 gtk_grab_remove(GTK_WIDGET(ctree));
2082                 if (gdk_pointer_is_grabbed())
2083                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2084         }
2085
2086         /* Open Folder */
2087         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2088                                         item->path : "(null)");
2089         debug_print("%s\n", buf);
2090         STATUSBAR_PUSH(folderview->mainwin, buf);
2091         g_free(buf);
2092
2093         main_window_cursor_wait(folderview->mainwin);
2094
2095         res = folder_item_open(item);
2096         if (res == -1) {
2097                 main_window_cursor_normal(folderview->mainwin);
2098                 STATUSBAR_POP(folderview->mainwin);
2099
2100                 alertpanel_error(_("Folder could not be opened."));
2101
2102                 folderview->open_folder = FALSE;
2103                 can_select = TRUE;
2104                 END_TIMING();
2105                 return;
2106         } else if (res == -2) {
2107                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2108                 data->ctree = ctree;
2109                 data->row = row;
2110                 data->column = column;
2111                 data->folderview = folderview;
2112                 debug_print("postponing open of %s till end of scan\n",
2113                         item->path ? item->path:item->name);
2114                 folderview->open_folder = FALSE;
2115                 can_select = TRUE;
2116                 g_timeout_add(500, postpone_select, data);
2117                 END_TIMING();
2118                 return;
2119         }
2120
2121         main_window_cursor_normal(folderview->mainwin);
2122
2123         /* Show messages */
2124         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2125         opened = summary_show(folderview->summaryview, item);
2126
2127         folder_clean_cache_memory(item);
2128
2129         if (!opened) {
2130                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
2131                 gtk_ctree_select(ctree, folderview->opened);
2132         } else {
2133                 folderview->opened = row;
2134                 if (gtk_ctree_node_is_visible(ctree, row)
2135                     != GTK_VISIBILITY_FULL)
2136                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
2137         }
2138
2139         STATUSBAR_POP(folderview->mainwin);
2140
2141         folderview->open_folder = FALSE;
2142         can_select = TRUE;
2143         END_TIMING();
2144 }
2145
2146 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
2147                                      FolderView *folderview)
2148 {
2149         FolderItem *item;
2150
2151         item = gtk_ctree_node_get_row_data(ctree, node);
2152         g_return_if_fail(item != NULL);
2153         item->collapsed = FALSE;
2154         folderview_update_node(folderview, node);
2155 }
2156
2157 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
2158                                       FolderView *folderview)
2159 {
2160         FolderItem *item;
2161
2162         item = gtk_ctree_node_get_row_data(ctree, node);
2163         g_return_if_fail(item != NULL);
2164         item->collapsed = TRUE;
2165         folderview_update_node(folderview, node);
2166 }
2167
2168 static void folderview_popup_close(GtkMenuShell *menu_shell,
2169                                    FolderView *folderview)
2170 {
2171         if (!folderview->opened) return;
2172
2173         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
2174 }
2175
2176 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
2177                                    FolderView *folderview)
2178 {
2179         FolderColumnType type = folderview->col_state[column].type;
2180
2181         prefs_common.folder_col_size[type] = width;
2182 }
2183
2184 static void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2185 {
2186         GNode *srcnode;
2187
2188         folderview_create_folder_node(folderview, item);
2189
2190         if (!item || !item->folder || !item->folder->node)
2191                 return;
2192
2193         srcnode = item->folder->node;
2194         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2195         srcnode = srcnode->children;
2196         while (srcnode != NULL) {
2197                 if (srcnode && srcnode->data) {
2198                         FolderItem *next_item = (FolderItem*) srcnode->data;
2199                         folderview_create_folder_node_recursive(folderview, next_item);
2200                 }
2201                 srcnode = srcnode->next;
2202         }
2203 }
2204
2205 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2206 {
2207         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2208         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2209         GtkCTreeNode *node, *parent_node;
2210         gint *col_pos = folderview->col_pos;
2211         FolderItemUpdateData hookdata;
2212
2213         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2214         if (parent_node == NULL)
2215                 return;
2216
2217         gtk_clist_freeze(GTK_CLIST(ctree));
2218
2219         text[col_pos[F_COL_FOLDER]] = item->name;
2220         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2221                                      FOLDER_SPACING,
2222                                      folderxpm, folderxpmmask,
2223                                      folderopenxpm, folderopenxpmmask,
2224                                      FALSE, FALSE);
2225         gtk_ctree_expand(ctree, parent_node);
2226         gtk_ctree_node_set_row_data(ctree, node, item);
2227         if (normal_style)
2228                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
2229         folderview_sort_folders(folderview, parent_node, item->folder);
2230
2231         hookdata.item = item;
2232         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2233         hookdata.msg = NULL;
2234         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2235
2236         gtk_clist_thaw(GTK_CLIST(ctree));
2237 }
2238
2239 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
2240                                       GtkWidget *widget)
2241 {
2242         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2243         FolderItem *item;
2244         GSList *mlist = NULL;
2245         GSList *cur = NULL;
2246         FolderItem *special_trash = NULL;
2247         PrefsAccount *ac;
2248
2249         if (!folderview->selected) return;
2250         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2251         g_return_if_fail(item != NULL);
2252         g_return_if_fail(item->folder != NULL);
2253
2254         if (NULL != (ac = account_find_from_item(item)))
2255                 special_trash = account_get_special_folder(ac, F_TRASH);
2256
2257         if (item != item->folder->trash && item != special_trash
2258         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2259
2260         if (prefs_common.ask_on_clean) {
2261                 if (alertpanel(_("Empty trash"),
2262                                _("Delete all messages in trash?"),
2263                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2264                         return;
2265         }
2266
2267         mlist = folder_item_get_msg_list(item);
2268
2269         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2270                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2271                 if (MSG_IS_LOCKED(msginfo->flags))
2272                         continue;
2273                 /* is it partially received? (partial_recv isn't cached) */
2274                 if (msginfo->total_size != 0 &&
2275                     msginfo->size != (off_t)msginfo->total_size)
2276                         partial_mark_for_delete(msginfo);
2277         }
2278         procmsg_msg_list_free(mlist);
2279
2280         folder_item_remove_all_msg(item);
2281 }
2282
2283 static void folderview_send_queue_cb(FolderView *folderview, guint action,
2284                                       GtkWidget *widget)
2285 {
2286         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2287         FolderItem *item;
2288         FolderItem *special_queue = NULL;
2289         PrefsAccount *ac;
2290         gchar *errstr = NULL;
2291
2292         if (!folderview->selected) return;
2293         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2294         g_return_if_fail(item != NULL);
2295         g_return_if_fail(item->folder != NULL);
2296
2297         if (NULL != (ac = account_find_from_item(item)))
2298                 special_queue = account_get_special_folder(ac, F_QUEUE);
2299
2300         if (item != item->folder->queue && item != special_queue
2301         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2302
2303         if (procmsg_queue_is_empty(item))
2304                 return;
2305
2306         if (prefs_common.work_offline)
2307                 if (alertpanel(_("Offline warning"),
2308                                _("You're working offline. Override?"),
2309                                GTK_STOCK_NO, GTK_STOCK_YES,
2310                                NULL) != G_ALERTALTERNATE)
2311                 return;
2312
2313         /* ask for confirmation before sending queued messages only
2314            in online mode and if there is at least one message queued
2315            in any of the folder queue
2316         */
2317         if (prefs_common.confirm_send_queued_messages) {
2318                 if (!prefs_common.work_offline) {
2319                         if (alertpanel(_("Send queued messages"),
2320                                    _("Send all queued messages?"),
2321                                    GTK_STOCK_CANCEL, _("_Send"),
2322                                    NULL) != G_ALERTALTERNATE)
2323                                 return;
2324                 }
2325         }
2326
2327         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2328                 if (!errstr)
2329                         alertpanel_error_log(_("Some errors occurred while "
2330                                            "sending queued messages."));
2331                 else {
2332                         gchar *tmp = g_strdup_printf(_("Some errors occurred "
2333                                         "while sending queued messages:\n%s"), errstr);
2334                         g_free(errstr);
2335                         alertpanel_error_log(tmp);
2336                         g_free(tmp);
2337                 }
2338         }
2339 }
2340
2341 static void folderview_search_cb(FolderView *folderview, guint action,
2342                                  GtkWidget *widget)
2343 {
2344         summary_search(folderview->summaryview);
2345 }
2346
2347 static void folderview_property_cb(FolderView *folderview, guint action,
2348                                    GtkWidget *widget)
2349 {
2350         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2351         FolderItem *item;
2352
2353         if (!folderview->selected) return;
2354
2355         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2356         g_return_if_fail(item != NULL);
2357         g_return_if_fail(item->folder != NULL);
2358
2359         prefs_folder_item_open(item);
2360 }
2361
2362 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2363 {
2364         GSList *list = NULL;
2365         GSList *done = NULL;
2366         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2367
2368         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2369                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2370                 &&  list->data != node) {
2371                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2372                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2373                 }
2374         }
2375         for (list = done; list != NULL; list = g_slist_next(list)) {
2376                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2377                                                                  list->data);
2378         }
2379         g_slist_free(done);
2380 }
2381
2382 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2383                             FolderItem *to_folder, gboolean copy)
2384 {
2385         FolderItem *from_parent = NULL;
2386         FolderItem *new_folder = NULL;
2387         GtkCTreeNode *src_node = NULL;
2388         gchar *buf;
2389         gint status;
2390
2391         g_return_if_fail(folderview != NULL);
2392         g_return_if_fail(from_folder != NULL);
2393         g_return_if_fail(to_folder != NULL);
2394
2395         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2396         from_parent = folder_item_parent(from_folder);
2397
2398         if (prefs_common.warn_dnd) {
2399                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s' ?"):
2400                                              _("Do you really want to make folder '%s' a sub-folder of '%s' ?"),
2401                                         from_folder->name, to_folder->name);
2402                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2403                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2404                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2405                 g_free(buf);
2406
2407                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2408                         return;
2409                 else if (status & G_ALERTDISABLE)
2410                         prefs_common.warn_dnd = FALSE;
2411         }
2412
2413         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2414                                 from_folder->name, to_folder->name);
2415         STATUSBAR_PUSH(folderview->mainwin, buf);
2416         g_free(buf);
2417         summary_clear_all(folderview->summaryview);
2418         folderview->opened = NULL;
2419         folderview->selected = NULL;
2420         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2421         inc_lock();
2422         main_window_cursor_wait(folderview->mainwin);
2423
2424         statusbar_verbosity_set(FALSE);
2425         folder_item_update_freeze();
2426         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2427                 statusbar_verbosity_set(FALSE);
2428                 main_window_cursor_normal(folderview->mainwin);
2429                 STATUSBAR_POP(folderview->mainwin);
2430                 folder_item_update_thaw();
2431                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2432
2433                 folderview_sort_folders(folderview,
2434                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2435                                 NULL, to_folder), new_folder->folder);
2436                 folderview_select(folderview, new_folder);
2437         } else {
2438                 statusbar_verbosity_set(FALSE);
2439                 main_window_cursor_normal(folderview->mainwin);
2440                 STATUSBAR_POP(folderview->mainwin);
2441                 folder_item_update_thaw();
2442                 switch (status) {
2443                 case F_MOVE_FAILED_DEST_IS_PARENT:
2444                         alertpanel_error(_("Source and destination are the same."));
2445                         break;
2446                 case F_MOVE_FAILED_DEST_IS_CHILD:
2447                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2448                                                 _("Can't move a folder to one of its children."));
2449                         break;
2450                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2451                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2452                         break;
2453                 default:
2454                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2455                         break;
2456                 }
2457         }
2458         inc_unlock();
2459         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2460 }
2461
2462 static gint folderview_clist_compare(GtkCList *clist,
2463                                      gconstpointer ptr1, gconstpointer ptr2)
2464 {
2465         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2466         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2467
2468         if (!item1->name)
2469                 return (item2->name != NULL);
2470         if (!item2->name)
2471                 return -1;
2472
2473         return g_utf8_collate(item1->name, item2->name);
2474 }
2475
2476 static void folderview_processing_cb(FolderView *folderview, guint action,
2477                                      GtkWidget *widget)
2478 {
2479         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2480         FolderItem *item;
2481         gchar *id, *title;
2482
2483         if (!folderview->selected) return;
2484
2485         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2486         g_return_if_fail(item != NULL);
2487         g_return_if_fail(item->folder != NULL);
2488
2489         id = folder_item_get_identifier(item);
2490         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2491         g_free (id);
2492
2493         prefs_filtering_open(&item->prefs->processing, title,
2494                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2495         g_free (title);
2496 }
2497
2498 void folderview_set_target_folder_color(gint color_op)
2499 {
2500         gint firstone = 1;
2501         GList *list;
2502         FolderView *folderview;
2503
2504         for (list = folderview_list; list != NULL; list = list->next) {
2505                 folderview = (FolderView *)list->data;
2506                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2507                 if (firstone) {
2508                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2509                                 folderview->color_op;
2510                         firstone = 0;
2511                 }
2512         }
2513 }
2514
2515 static gchar *last_font = NULL;
2516 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2517 {
2518         /* force reinit */
2519         g_free(last_font);
2520         last_font = NULL;
2521
2522 }
2523
2524 void folderview_reflect_prefs(void)
2525 {
2526         gboolean update_font = TRUE;
2527         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2528         FolderItem *item = folderview_get_selected_item(folderview);
2529         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2530                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2531         gint height = pos->value;
2532
2533         if (last_font && !strcmp(last_font, NORMAL_FONT))
2534                 update_font = FALSE;
2535
2536         g_free(last_font);
2537         last_font = g_strdup(NORMAL_FONT);
2538
2539         if (update_font) {
2540                 normal_style = normal_color_style = bold_style =
2541                         bold_color_style = bold_tgtfold_style = NULL;
2542
2543                 folderview_init(folderview);
2544         }
2545         gtk_clist_freeze(GTK_CLIST(folderview->ctree));
2546         folderview_column_set_titles(folderview);
2547         folderview_set_all();
2548
2549         g_signal_handlers_block_by_func
2550                 (G_OBJECT(folderview->ctree),
2551                  G_CALLBACK(folderview_selected), folderview);
2552
2553         if (item) {
2554                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(
2555                         GTK_CTREE(folderview->ctree), NULL, item);
2556
2557                 folderview_select(folderview, item);
2558                 folderview->open_folder = FALSE;
2559                 folderview->selected = node;
2560         }
2561
2562         g_signal_handlers_unblock_by_func
2563                 (G_OBJECT(folderview->ctree),
2564                  G_CALLBACK(folderview_selected), folderview);
2565
2566         pos = gtk_scrolled_window_get_vadjustment(
2567                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2568         gtk_adjustment_set_value(pos, height);
2569         gtk_clist_thaw(GTK_CLIST(folderview->ctree));
2570 }
2571
2572 static void drag_state_stop(FolderView *folderview)
2573 {
2574         if (folderview->drag_timer)
2575                 g_source_remove(folderview->drag_timer);
2576         folderview->drag_timer = 0;
2577         folderview->drag_node = NULL;
2578 }
2579
2580 static gint folderview_defer_expand(FolderView *folderview)
2581 {
2582         if (folderview->drag_node) {
2583                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2584                 if (folderview->drag_item->collapsed) {
2585                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2586                         folderview->nodes_to_recollapse = g_slist_append
2587                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2588                 }
2589         }
2590         folderview->drag_item  = NULL;
2591         folderview->drag_timer = 0;
2592         return FALSE;
2593 }
2594
2595 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2596 {
2597         /* the idea is that we call drag_state_start() whenever we want expansion to
2598          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2599          * we need to call drag_state_stop() */
2600         drag_state_stop(folderview);
2601         /* request expansion */
2602         if (0 != (folderview->drag_timer = g_timeout_add
2603                         (prefs_common.hover_timeout,
2604                          (GtkFunction)folderview_defer_expand,
2605                          folderview))) {
2606                 folderview->drag_node = node;
2607                 folderview->drag_item = item;
2608         }
2609 }
2610
2611 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2612                                   FolderView       *folderview)
2613 {
2614         GdkDragContext *context;
2615
2616         g_return_if_fail(folderview != NULL);
2617         if (folderview->selected == NULL) return;
2618         if (folderview->nodes_to_recollapse)
2619                 g_slist_free(folderview->nodes_to_recollapse);
2620         folderview->nodes_to_recollapse = NULL;
2621         context = gtk_drag_begin(widget, folderview->target_list,
2622                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2623         gtk_drag_set_icon_default(context);
2624 }
2625
2626 static void folderview_drag_data_get(GtkWidget        *widget,
2627                                      GdkDragContext   *drag_context,
2628                                      GtkSelectionData *selection_data,
2629                                      guint             info,
2630                                      guint             time,
2631                                      FolderView       *folderview)
2632 {
2633         FolderItem *item;
2634         GList *cur;
2635         gchar *source = NULL;
2636         if (info == TARGET_DUMMY) {
2637                 for (cur = GTK_CLIST(folderview->ctree)->selection;
2638                      cur != NULL; cur = cur->next) {
2639                         item = gtk_ctree_node_get_row_data
2640                                 (GTK_CTREE(folderview->ctree),
2641                                  GTK_CTREE_NODE(cur->data));
2642                         if (item) {
2643                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2644                                 gtk_selection_data_set(selection_data,
2645                                                        selection_data->target, 8,
2646                                                        source, strlen(source));
2647                                 break;
2648                         } else
2649                                 return;
2650                 }
2651         } else {
2652                 g_warning("unknown info %d\n", info);
2653         }
2654 }
2655
2656 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2657 {
2658         FolderUpdateData *hookdata;
2659         FolderView *folderview;
2660         GtkWidget *ctree;
2661
2662         hookdata = source;
2663         folderview = (FolderView *) userdata;
2664         g_return_val_if_fail(hookdata != NULL, FALSE);
2665         g_return_val_if_fail(folderview != NULL, FALSE);
2666
2667         ctree = folderview->ctree;
2668         g_return_val_if_fail(ctree != NULL, FALSE);
2669
2670         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2671                 folderview_create_folder_node(folderview, hookdata->item);
2672         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2673                 GtkCTreeNode *node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree),
2674                                 NULL, folder_item_parent(hookdata->item));
2675                 folderview_sort_folders(folderview, node, hookdata->folder);
2676         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2677                 GtkCTreeNode *node;
2678
2679                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2680                 if (node != NULL)
2681                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2682         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2683                 folderview_set(folderview);
2684
2685         return FALSE;
2686 }
2687
2688 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2689                                           GdkDragContext *context,
2690                                           gint            x,
2691                                           gint            y,
2692                                           guint           time,
2693                                           FolderView     *folderview)
2694 {
2695         gint row, column;
2696         FolderItem *item = NULL, *src_item = NULL;
2697         GtkCTreeNode *node = NULL;
2698         gboolean acceptable = FALSE;
2699         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2700                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2701         int height = (int)pos->page_size;
2702         int total_height = (int)pos->upper;
2703         int vpos = (int) pos->value;
2704
2705         if (gtk_clist_get_selection_info
2706                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2707                 GtkWidget *srcwidget;
2708
2709                 if (y > height - 24 && height + vpos < total_height)
2710                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2711
2712                 if (y < 48 && y > 0)
2713                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2714
2715                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2716                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2717                 src_item = folderview->summaryview->folder_item;
2718
2719                 srcwidget = gtk_drag_get_source_widget(context);
2720                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2721                         /* comes from summaryview */
2722                         /* we are copying messages, so only accept folder items that are not
2723                            the source item, are no root items and can copy messages */
2724                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2725                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2726                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2727                                 acceptable = TRUE;
2728                 } else if (srcwidget == folderview->ctree) {
2729                         /* comes from folderview */
2730                         /* we are moving folder items, only accept folders that are not
2731                            the source items and can copy messages and create folder items */
2732                         if (item && item->folder && src_item && src_item != item &&
2733                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2734                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2735                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2736                              || item->folder == src_item->folder))
2737                                 acceptable = TRUE;
2738                 } else {
2739                         /* comes from another app */
2740                         /* we are adding messages, so only accept folder items that are
2741                            no root items and can copy messages */
2742                         if (item && item->folder && folder_item_parent(item) != NULL
2743                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2744                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2745                                 acceptable = TRUE;
2746                 }
2747         }
2748
2749         if (acceptable || (src_item && src_item == item))
2750                 drag_state_start(folderview, node, item);
2751
2752         if (acceptable) {
2753                 g_signal_handlers_block_by_func
2754                         (G_OBJECT(widget),
2755                          G_CALLBACK(folderview_selected), folderview);
2756                 gtk_ctree_select(GTK_CTREE(widget), node);
2757                 g_signal_handlers_unblock_by_func
2758                         (G_OBJECT(widget),
2759                          G_CALLBACK(folderview_selected), folderview);
2760                 gdk_drag_status(context,
2761                                         (context->actions == GDK_ACTION_COPY ?
2762                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2763         } else {
2764                 if (folderview->opened)
2765                         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2766                 gdk_drag_status(context, 0, time);
2767         }
2768
2769         return acceptable;
2770 }
2771
2772 static void folderview_drag_leave_cb(GtkWidget      *widget,
2773                                      GdkDragContext *context,
2774                                      guint           time,
2775                                      FolderView     *folderview)
2776 {
2777         drag_state_stop(folderview);
2778         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2779 }
2780
2781 static void free_info (gpointer stuff, gpointer data)
2782 {
2783         g_free(stuff);
2784 }
2785
2786 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2787                            guint time, FolderItem *item)
2788 {
2789         GList *list, *tmp;
2790         GSList *msglist = NULL;
2791         list = uri_list_extract_filenames(data);
2792         if (!(item && item->folder && folder_item_parent(item) != NULL
2793                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2794         {
2795                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2796                 debug_print("item doesn't fit\n");
2797                 return;
2798         }
2799         if (!list) {
2800                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2801                 debug_print("list is empty\n");
2802                 return;
2803         }
2804         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2805                 MsgFileInfo *info = NULL;
2806
2807                 if (file_is_email((gchar *)tmp->data)) {
2808                         info = g_new0(MsgFileInfo, 1);
2809                         info->msginfo = NULL;
2810                         info->file = (gchar *)tmp->data;
2811                         msglist = g_slist_prepend(msglist, info);
2812                         debug_print("file is a mail\n");
2813                 } else {
2814                         debug_print("file isn't a mail\n");
2815                 }
2816         }
2817         if (msglist) {
2818                 msglist = g_slist_reverse(msglist);
2819                 folder_item_add_msgs(item, msglist, FALSE);
2820                 g_slist_foreach(msglist, free_info, NULL);
2821                 g_slist_free(msglist);
2822                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2823         } else {
2824                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2825         }
2826         list_free_strings(list);
2827         g_list_free(list);
2828 }
2829
2830 static void folderview_drag_received_cb(GtkWidget        *widget,
2831                                         GdkDragContext   *drag_context,
2832                                         gint              x,
2833                                         gint              y,
2834                                         GtkSelectionData *data,
2835                                         guint             info,
2836                                         guint             time,
2837                                         FolderView       *folderview)
2838 {
2839         gint row, column;
2840         FolderItem *item = NULL, *src_item;
2841         GtkCTreeNode *node;
2842
2843         if (info == TARGET_DUMMY) {
2844                 drag_state_stop(folderview);
2845                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2846                         /* comes from summaryview */
2847                         if (gtk_clist_get_selection_info
2848                                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2849                                 return;
2850
2851                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2852                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2853                         src_item = folderview->summaryview->folder_item;
2854
2855                         /* re-check (due to acceptable possibly set for folder moves */
2856                         if (!(item && item->folder && item->path && !item->no_select &&
2857                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2858                                 return;
2859                         }
2860                         if (item && src_item) {
2861                                 switch (drag_context->action) {
2862                                 case GDK_ACTION_COPY:
2863                                         summary_copy_selected_to(folderview->summaryview, item);
2864                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2865                                         break;
2866                                 case GDK_ACTION_MOVE:
2867                                 case GDK_ACTION_DEFAULT:
2868                                 default:
2869                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2870                                                 summary_copy_selected_to(folderview->summaryview, item);
2871                                         else
2872                                                 summary_move_selected_to(folderview->summaryview, item);
2873                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2874                                 }
2875                         } else
2876                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2877                 } else {
2878                         /* comes from folderview */
2879                         char *source;
2880                         gboolean folder_is_normal = TRUE;
2881                         gboolean copy = (drag_context->action == GDK_ACTION_COPY);
2882
2883                         source = data->data + 17;
2884                         if (gtk_clist_get_selection_info
2885                             (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2886                             || *source == 0) {
2887                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2888                                 return;
2889                         }
2890                         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2891                         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2892                         src_item = folder_find_item_from_identifier(source);
2893
2894                         folder_is_normal =
2895                                 src_item != NULL &&
2896                                 src_item->stype == F_NORMAL &&
2897                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
2898                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
2899                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
2900                                 !folder_has_parent_of_type(src_item, F_TRASH);
2901                         if (!item || item->no_select || !src_item
2902                         ||  !folder_is_normal) {
2903                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2904                                 return;
2905                         }
2906
2907                         folderview_move_folder(folderview, src_item, item, copy);
2908                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2909                 }
2910                 folderview->nodes_to_recollapse = NULL;
2911         } else if (info == TARGET_MAIL_URI_LIST) {
2912                 if (gtk_clist_get_selection_info
2913                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2914                         return;
2915
2916                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2917                 if (!node) {
2918                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2919                         debug_print("no node\n");
2920                         return;
2921                 }
2922                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2923                 if (!item) {
2924                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2925                         debug_print("no item\n");
2926                         return;
2927                 }
2928                 folderview_finish_dnd(data->data, drag_context, time, item);
2929         }
2930 }
2931
2932 static void folderview_drag_end_cb(GtkWidget        *widget,
2933                                    GdkDragContext   *drag_context,
2934                                    FolderView       *folderview)
2935 {
2936         drag_state_stop(folderview);
2937         g_slist_free(folderview->nodes_to_recollapse);
2938         folderview->nodes_to_recollapse = NULL;
2939 }
2940
2941 void folderview_register_popup(FolderViewPopup *fpopup)
2942 {
2943         GList *folderviews;
2944
2945         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2946                 FolderView *folderview = folderviews->data;
2947                 GtkItemFactory *factory;
2948
2949                 factory = create_ifactory(folderview, fpopup);
2950                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2951         }
2952         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2953 }
2954
2955 void folderview_unregister_popup(FolderViewPopup *fpopup)
2956 {
2957         GList *folderviews;
2958
2959         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2960                 FolderView *folderview = folderviews->data;
2961
2962                 g_hash_table_remove(folderview->popups, fpopup->klass);
2963         }
2964         g_hash_table_remove(folderview_popups, fpopup->klass);
2965 }