src/folderview.c

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