src/folderview.c

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