src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66 #include "prefs_folder_column.h"
  67
  68 #define COL_FOLDER_WIDTH        150
  69 #define COL_NUM_WIDTH           32
  70
  71 static GList *folderview_list = NULL;
  72
  73 static GtkStyle *normal_style;
  74 static GtkStyle *normal_color_style;
  75 static GtkStyle *bold_style;
  76 static GtkStyle *bold_color_style;
  77 static GtkStyle *bold_tgtfold_style;
  78
  79 static GdkPixmap *inboxxpm;
  80 static GdkBitmap *inboxxpmmask;
  81 static GdkPixmap *inboxhrmxpm;
  82 static GdkBitmap *inboxhrmxpmmask;
  83 static GdkPixmap *inboxopenxpm;
  84 static GdkBitmap *inboxopenxpmmask;
  85 static GdkPixmap *inboxopenhrmxpm;
  86 static GdkBitmap *inboxopenhrmxpmmask;
  87 static GdkPixmap *outboxxpm;
  88 static GdkBitmap *outboxxpmmask;
  89 static GdkPixmap *outboxhrmxpm;
  90 static GdkBitmap *outboxhrmxpmmask;
  91 static GdkPixmap *outboxopenxpm;
  92 static GdkBitmap *outboxopenxpmmask;
  93 static GdkPixmap *outboxopenhrmxpm;
  94 static GdkBitmap *outboxopenhrmxpmmask;
  95 static GdkPixmap *folderxpm;
  96 static GdkBitmap *folderxpmmask;
  97 static GdkPixmap *folderhrmxpm;
  98 static GdkBitmap *folderhrmxpmmask;
  99 static GdkPixmap *folderopenxpm;
 100 static GdkBitmap *folderopenxpmmask;
 101 static GdkPixmap *folderopenhrmxpm;
 102 static GdkBitmap *folderopenhrmxpmmask;
 103 static GdkPixmap *trashopenxpm;
 104 static GdkBitmap *trashopenxpmmask;
 105 static GdkPixmap *trashopenhrmxpm;
 106 static GdkBitmap *trashopenhrmxpmmask;
 107 static GdkPixmap *trashxpm;
 108 static GdkBitmap *trashxpmmask;
 109 static GdkPixmap *trashhrmxpm;
 110 static GdkBitmap *trashhrmxpmmask;
 111 static GdkPixmap *queuexpm;
 112 static GdkBitmap *queuexpmmask;
 113 static GdkPixmap *queuehrmxpm;
 114 static GdkBitmap *queuehrmxpmmask;
 115 static GdkPixmap *queueopenxpm;
 116 static GdkBitmap *queueopenxpmmask;
 117 static GdkPixmap *queueopenhrmxpm;
 118 static GdkBitmap *queueopenhrmxpmmask;
 119 static GdkPixmap *draftsxpm;
 120 static GdkBitmap *draftsxpmmask;
 121 static GdkPixmap *draftsopenxpm;
 122 static GdkBitmap *draftsopenxpmmask;
 123 static GdkPixmap *noselectxpm;
 124 static GdkBitmap *noselectxpmmask;
 125
 126 static GdkPixmap *m_inboxxpm;
 127 static GdkBitmap *m_inboxxpmmask;
 128 static GdkPixmap *m_inboxhrmxpm;
 129 static GdkBitmap *m_inboxhrmxpmmask;
 130 static GdkPixmap *m_inboxopenxpm;
 131 static GdkBitmap *m_inboxopenxpmmask;
 132 static GdkPixmap *m_inboxopenhrmxpm;
 133 static GdkBitmap *m_inboxopenhrmxpmmask;
 134 static GdkPixmap *m_outboxxpm;
 135 static GdkBitmap *m_outboxxpmmask;
 136 static GdkPixmap *m_outboxhrmxpm;
 137 static GdkBitmap *m_outboxhrmxpmmask;
 138 static GdkPixmap *m_outboxopenxpm;
 139 static GdkBitmap *m_outboxopenxpmmask;
 140 static GdkPixmap *m_outboxopenhrmxpm;
 141 static GdkBitmap *m_outboxopenhrmxpmmask;
 142 static GdkPixmap *m_folderxpm;
 143 static GdkBitmap *m_folderxpmmask;
 144 static GdkPixmap *m_folderhrmxpm;
 145 static GdkBitmap *m_folderhrmxpmmask;
 146 static GdkPixmap *m_folderopenxpm;
 147 static GdkBitmap *m_folderopenxpmmask;
 148 static GdkPixmap *m_folderopenhrmxpm;
 149 static GdkBitmap *m_folderopenhrmxpmmask;
 150 static GdkPixmap *m_trashopenxpm;
 151 static GdkBitmap *m_trashopenxpmmask;
 152 static GdkPixmap *m_trashopenhrmxpm;
 153 static GdkBitmap *m_trashopenhrmxpmmask;
 154 static GdkPixmap *m_trashxpm;
 155 static GdkBitmap *m_trashxpmmask;
 156 static GdkPixmap *m_trashhrmxpm;
 157 static GdkBitmap *m_trashhrmxpmmask;
 158 static GdkPixmap *m_queuexpm;
 159 static GdkBitmap *m_queuexpmmask;
 160 static GdkPixmap *m_queuehrmxpm;
 161 static GdkBitmap *m_queuehrmxpmmask;
 162 static GdkPixmap *m_queueopenxpm;
 163 static GdkBitmap *m_queueopenxpmmask;
 164 static GdkPixmap *m_queueopenhrmxpm;
 165 static GdkBitmap *m_queueopenhrmxpmmask;
 166 static GdkPixmap *m_draftsxpm;
 167 static GdkBitmap *m_draftsxpmmask;
 168 static GdkPixmap *m_draftsopenxpm;
 169 static GdkBitmap *m_draftsopenxpmmask;
 170
 171 static GdkPixmap *newxpm;
 172 static GdkBitmap *newxpmmask;
 173 static GdkPixmap *unreadxpm;
 174 static GdkBitmap *unreadxpmmask;
 175 static GdkPixmap *readxpm;
 176 static GdkBitmap *readxpmmask;
 177
 178
 179 static void folderview_select_node       (FolderView    *folderview,
 180                                           GtkCTreeNode  *node);
 181 static void folderview_set_folders       (FolderView    *folderview);
 182 static void folderview_sort_folders      (FolderView    *folderview,
 183                                           GtkCTreeNode  *root,
 184                                           Folder        *folder);
 185 static void folderview_append_folder     (FolderView    *folderview,
 186                                           Folder        *folder);
 187 static void folderview_update_node       (FolderView    *folderview,
 188                                           GtkCTreeNode  *node);
 189
 190 static gint folderview_clist_compare    (GtkCList       *clist,
 191                                          gconstpointer   ptr1,
 192                                          gconstpointer   ptr2);
 193
 194 /* callback functions */
 195 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 196                                                  GdkEventButton *event,
 197                                                  FolderView     *folderview);
 198 static gboolean folderview_button_released      (GtkWidget      *ctree,
 199                                                  GdkEventButton *event,
 200                                                  FolderView     *folderview);
 201 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 202                                          GdkEventKey    *event,
 203                                          FolderView     *folderview);
 204 static void folderview_selected         (GtkCTree       *ctree,
 205                                          GtkCTreeNode   *row,
 206                                          gint            column,
 207                                          FolderView     *folderview);
 208 static void folderview_tree_expanded    (GtkCTree       *ctree,
 209                                          GtkCTreeNode   *node,
 210                                          FolderView     *folderview);
 211 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 212                                          GtkCTreeNode   *node,
 213                                          FolderView     *folderview);
 214 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 215                                          FolderView     *folderview);
 216 static void folderview_col_resized      (GtkCList       *clist,
 217                                          gint            column,
 218                                          gint            width,
 219                                          FolderView     *folderview);
 220
 221 static void mark_all_read_cb            (FolderView    *folderview,
 222                                          guint           action,
 223                                          GtkWidget      *widget);
 224
 225 static void folderview_empty_trash_cb   (FolderView     *folderview,
 226                                          guint           action,
 227                                          GtkWidget      *widget);
 228
 229 static void folderview_search_cb        (FolderView     *folderview,
 230                                          guint           action,
 231                                          GtkWidget      *widget);
 232
 233 static void folderview_property_cb      (FolderView     *folderview,
 234                                          guint           action,
 235                                          GtkWidget      *widget);
 236
 237 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 238                                           GdkDragContext *context,
 239                                           gint            x,
 240                                           gint            y,
 241                                           guint           time,
 242                                           FolderView     *folderview);
 243 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 244                                           GdkDragContext   *context,
 245                                           guint             time,
 246                                           FolderView       *folderview);
 247 static void folderview_drag_received_cb  (GtkWidget        *widget,
 248                                           GdkDragContext   *drag_context,
 249                                           gint              x,
 250                                           gint              y,
 251                                           GtkSelectionData *data,
 252                                           guint             info,
 253                                           guint             time,
 254                                           FolderView       *folderview);
 255 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 256                                           FolderView       *folderview);
 257 static void folderview_drag_data_get     (GtkWidget        *widget,
 258                                           GdkDragContext   *drag_context,
 259                                           GtkSelectionData *selection_data,
 260                                           guint             info,
 261                                           guint             time,
 262                                           FolderView       *folderview);
 263 static void folderview_drag_end_cb       (GtkWidget        *widget,
 264                                           GdkDragContext   *drag_context,
 265                                           FolderView       *folderview);
 266
 267 void folderview_create_folder_node       (FolderView       *folderview,
 268                                           FolderItem       *item);
 269 gboolean folderview_update_folder        (gpointer          source,
 270                                           gpointer          userdata);
 271 gboolean folderview_update_item_claws    (gpointer          source,
 272                                           gpointer          data);
 273 static void folderview_processing_cb(FolderView *folderview, guint action,
 274                                      GtkWidget *widget);
 275
 276 GHashTable *folderview_popups;
 277
 278 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 279 {
 280         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 281         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 282         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 283         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 284 };
 285
 286 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 287         {N_("/------"),                 NULL, NULL, 0, "<Separator>"},
 288         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 289 };
 290
 291
 292 GtkTargetEntry folderview_drag_types[] =
 293 {
 294         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 295 };
 296
 297 void folderview_initialize(void)
 298 {
 299         FolderViewPopup *fpopup;
 300         guint i, n_entries;
 301         GSList *entries = NULL;
 302
 303         fpopup = g_new0(FolderViewPopup, 1);
 304
 305         n_entries = sizeof(folderview_common_popup_entries) /
 306                 sizeof(folderview_common_popup_entries[0]);
 307         for (i = 0; i < n_entries; i++)
 308                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 309
 310         fpopup->klass = "common";
 311         fpopup->path = "<CommonFolder>";
 312         fpopup->entries = entries;
 313         fpopup->set_sensitivity = NULL;
 314
 315         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 316         g_hash_table_insert(folderview_popups, "common", fpopup);
 317 }
 318
 319 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 320 {
 321         GSList *entries;
 322         GtkItemFactory *factory;
 323         FolderViewPopup *fpopup_common;
 324         GtkWidget *popup;
 325
 326         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 327         gtk_item_factory_set_translate_func(factory, menu_translate,
 328                                             NULL, NULL);
 329
 330         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 331                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 332
 333         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 334         if (fpopup_common != fpopup)
 335                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 336                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 337
 338         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 339         g_signal_connect(G_OBJECT(popup), "selection_done",
 340                          G_CALLBACK(folderview_popup_close),
 341                          folderview);
 342
 343         return factory;
 344 }
 345
 346 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 347 {
 348         FolderView *folderview = data;
 349         FolderViewPopup *fpopup = value;
 350         GtkItemFactory *factory;
 351
 352         factory = create_ifactory(folderview, fpopup);
 353         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 354 }
 355
 356 static void folderview_column_set_titles(FolderView *folderview)
 357 {
 358         GtkWidget *ctree = folderview->ctree;
 359         GtkWidget *label_new;
 360         GtkWidget *label_unread;
 361         GtkWidget *label_total;
 362         GtkWidget *hbox_new;
 363         GtkWidget *hbox_unread;
 364         GtkWidget *hbox_total;
 365         gint *col_pos = folderview->col_pos;
 366
 367         debug_print("setting titles...\n");
 368         gtk_widget_realize(folderview->ctree);
 369         gtk_widget_show_all(folderview->scrolledwin);
 370
 371         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 372          * instead text (text overflows making them unreadable and ugly) */
 373         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 374                          &newxpm, &newxpmmask);
 375         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 376                          &unreadxpm, &unreadxpmmask);
 377         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 378                          &readxpm, &readxpmmask);
 379
 380         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 381         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 382         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 383
 384         hbox_new = gtk_hbox_new(FALSE, 4);
 385         hbox_unread = gtk_hbox_new(FALSE, 4);
 386         hbox_total = gtk_hbox_new(FALSE, 4);
 387
 388         /* left justified */
 389         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 390         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 391         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 392         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 393         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 394         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 395
 396         gtk_widget_show_all(hbox_new);
 397         gtk_widget_show_all(hbox_unread);
 398         gtk_widget_show_all(hbox_total);
 399
 400         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 401         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 402         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 403 }
 404
 405 GtkWidget *folderview_ctree_create(FolderView *folderview)
 406 {
 407         GtkWidget *ctree;
 408         gint *col_pos;
 409         FolderColumnState *col_state;
 410         FolderColumnType type;
 411         gchar *titles[N_FOLDER_COLS];
 412         gint i;
 413         GtkWidget *scrolledwin = folderview->scrolledwin;
 414
 415         debug_print("creating tree...\n");
 416         memset(titles, 0, sizeof(titles));
 417
 418         col_state = prefs_folder_column_get_config();
 419         memset(titles, 0, sizeof(titles));
 420
 421         col_pos = folderview->col_pos;
 422
 423         for (i = 0; i < N_FOLDER_COLS; i++) {
 424                 folderview->col_state[i] = col_state[i];
 425                 type = col_state[i].type;
 426                 col_pos[type] = i;
 427         }
 428
 429         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 430         titles[col_pos[F_COL_NEW]]    = _("New");
 431         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 432         titles[col_pos[F_COL_TOTAL]]  = _("#");
 433
 434         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 435                                            titles);
 436
 437         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 438         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 439                                            GTK_JUSTIFY_RIGHT);
 440         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 441                                            col_pos[F_COL_UNREAD],
 442                                            GTK_JUSTIFY_RIGHT);
 443         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 444                                            col_pos[F_COL_TOTAL],
 445                                            GTK_JUSTIFY_RIGHT);
 446         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 447         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 448                                      GTK_CTREE_EXPANDER_SQUARE);
 449         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 450         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 451
 452         /* don't let title buttons take key focus */
 453         for (i = 0; i < N_FOLDER_COLS; i++) {
 454                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 455                                        GTK_CAN_FOCUS);
 456                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 457                                    prefs_common.folder_col_size[i]);
 458                 gtk_clist_set_column_visibility
 459                         (GTK_CLIST(ctree), i, col_state[i].visible);
 460         }
 461
 462         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 463                          G_CALLBACK(folderview_key_pressed),
 464                          folderview);
 465         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 466                          G_CALLBACK(folderview_button_pressed),
 467                          folderview);
 468         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 469                          G_CALLBACK(folderview_button_released),
 470                          folderview);
 471         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 472                          G_CALLBACK(folderview_selected), folderview);
 473         g_signal_connect(G_OBJECT(ctree), "start_drag",
 474                          G_CALLBACK(folderview_start_drag), folderview);
 475         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 476                          G_CALLBACK(folderview_drag_data_get),
 477                          folderview);
 478
 479         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 480                                G_CALLBACK(folderview_tree_expanded),
 481                                folderview);
 482         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 483                                G_CALLBACK(folderview_tree_collapsed),
 484                                folderview);
 485
 486         g_signal_connect(G_OBJECT(ctree), "resize_column",
 487                          G_CALLBACK(folderview_col_resized),
 488                          folderview);
 489
 490         /* drop callback */
 491         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 492                           summary_drag_types, 1,
 493                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 494         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 495                          G_CALLBACK(folderview_drag_motion_cb),
 496                          folderview);
 497         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 498                          G_CALLBACK(folderview_drag_leave_cb),
 499                          folderview);
 500         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 501                          G_CALLBACK(folderview_drag_received_cb),
 502                          folderview);
 503         g_signal_connect(G_OBJECT(ctree), "drag_end",
 504                          G_CALLBACK(folderview_drag_end_cb),
 505                          folderview);
 506
 507         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 508
 509         return ctree;
 510 }
 511
 512 void folderview_set_column_order(FolderView *folderview)
 513 {
 514         GtkWidget *ctree;
 515         FolderItem *item = folderview_get_selected_item(folderview);
 516         GtkWidget *scrolledwin = folderview->scrolledwin;
 517
 518         debug_print("recreating tree...\n");
 519         gtk_widget_destroy(folderview->ctree);
 520
 521         folderview->ctree = ctree = folderview_ctree_create(folderview);
 522         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 523                                             GTK_CLIST(ctree)->hadjustment);
 524         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 525                                             GTK_CLIST(ctree)->vadjustment);
 526         gtk_widget_show(ctree);
 527
 528         folderview_set(folderview);
 529         folderview_column_set_titles(folderview);
 530
 531         folderview_select(folderview,item);
 532 }
 533
 534 FolderView *folderview_create(void)
 535 {
 536         FolderView *folderview;
 537         GtkWidget *scrolledwin;
 538         GtkWidget *ctree;
 539
 540         debug_print("Creating folder view...\n");
 541         folderview = g_new0(FolderView, 1);
 542
 543         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 544         gtk_scrolled_window_set_policy
 545                 (GTK_SCROLLED_WINDOW(scrolledwin),
 546                  GTK_POLICY_AUTOMATIC,
 547                  prefs_common.folderview_vscrollbar_policy);
 548         gtk_widget_set_size_request(scrolledwin,
 549                              prefs_common.folderview_width,
 550                              prefs_common.folderview_height);
 551
 552         folderview->scrolledwin  = scrolledwin;
 553         ctree = folderview_ctree_create(folderview);
 554
 555         /* create popup factories */
 556         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 557         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 558
 559         folderview->ctree        = ctree;
 560
 561         folderview->folder_update_callback_id =
 562                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 563         folderview->folder_item_update_callback_id =
 564                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 565
 566         gtk_widget_show_all(scrolledwin);
 567
 568         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 569         folderview_list = g_list_append(folderview_list, folderview);
 570
 571         return folderview;
 572 }
 573
 574 void folderview_init(FolderView *folderview)
 575 {
 576         GtkWidget *ctree = folderview->ctree;
 577
 578         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 579         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 580         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 581         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 582         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 583         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 584         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 585         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 586         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 587         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 588         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 589         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 590         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 591         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 592         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 593         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 594         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 595         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 596         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 597         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 598         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 599         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 600         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 601
 602         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 603         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 604         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 605         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 606         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 607         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 608         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 609         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 610         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 611         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 612         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 613         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 614         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 615         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 616         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 617         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 618         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 619         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 620         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 621         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 622         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 623         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 624
 625         if (!normal_style) {
 626                 PangoFontDescription *font_desc;
 627                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 628                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 629                 if (font_desc) {
 630                         if (normal_style->font_desc)
 631                                 pango_font_description_free
 632                                         (normal_style->font_desc);
 633                         normal_style->font_desc = font_desc;
 634                 }
 635                 normal_color_style = gtk_style_copy(normal_style);
 636                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 637
 638                 gtk_widget_set_style(ctree, normal_style);
 639         }
 640
 641         if (!bold_style) {
 642                 PangoFontDescription *font_desc;
 643                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 644                 pango_font_description_set_weight
 645                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 646                 bold_color_style = gtk_style_copy(bold_style);
 647                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 648
 649                 bold_tgtfold_style = gtk_style_copy(bold_style);
 650                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 651         }
 652 }
 653
 654 void folderview_set(FolderView *folderview)
 655 {
 656         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 657         MainWindow *mainwin = folderview->mainwin;
 658
 659         debug_print("Setting folder info...\n");
 660         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 661
 662         main_window_cursor_wait(mainwin);
 663
 664         folderview->selected = NULL;
 665         folderview->opened = NULL;
 666
 667         gtk_clist_freeze(GTK_CLIST(ctree));
 668         gtk_clist_clear(GTK_CLIST(ctree));
 669         gtk_clist_thaw(GTK_CLIST(ctree));
 670         gtk_clist_freeze(GTK_CLIST(ctree));
 671
 672         folderview_set_folders(folderview);
 673
 674         gtk_clist_thaw(GTK_CLIST(ctree));
 675         main_window_cursor_normal(mainwin);
 676         STATUSBAR_POP(mainwin);
 677 }
 678
 679 void folderview_set_all(void)
 680 {
 681         GList *list;
 682
 683         for (list = folderview_list; list != NULL; list = list->next)
 684                 folderview_set((FolderView *)list->data);
 685 }
 686
 687 void folderview_select(FolderView *folderview, FolderItem *item)
 688 {
 689         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 690         GtkCTreeNode *node;
 691         GtkCTreeNode *old_selected = folderview->selected;
 692
 693         if (!item) return;
 694
 695         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 696         if (node) folderview_select_node(folderview, node);
 697
 698         if (old_selected != node)
 699                 folder_update_op_count();
 700 }
 701
 702 static void mark_all_read_cb(FolderView *folderview, guint action,
 703                              GtkWidget *widget)
 704 {
 705         FolderItem *item;
 706
 707         item = folderview_get_selected_item(folderview);
 708         if (item == NULL)
 709                 return;
 710
 711         summary_lock(folderview->summaryview);
 712         folder_item_update_freeze();
 713         if (folderview->summaryview->folder_item == item)
 714                 gtk_clist_freeze(GTK_CLIST(folderview->summaryview->ctree));
 715         folderutils_mark_all_read(item);
 716         if (folderview->summaryview->folder_item == item)
 717                 gtk_clist_thaw(GTK_CLIST(folderview->summaryview->ctree));
 718         folder_item_update_thaw();
 719         summary_unlock(folderview->summaryview);
 720 }
 721
 722 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 723 {
 724         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 725
 726         g_return_if_fail(node != NULL);
 727
 728         folderview->open_folder = TRUE;
 729         gtkut_ctree_set_focus_row(ctree, node);
 730         gtk_ctree_select(ctree, node);
 731         if (folderview->summaryview->folder_item &&
 732             folderview->summaryview->folder_item->total_msgs > 0)
 733                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 734         else
 735                 gtk_widget_grab_focus(folderview->ctree);
 736
 737         gtkut_ctree_expand_parent_all(ctree, node);
 738 }
 739
 740 void folderview_unselect(FolderView *folderview)
 741 {
 742         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 743                 gtk_ctree_collapse
 744                         (GTK_CTREE(folderview->ctree), folderview->opened);
 745
 746         folderview->selected = folderview->opened = NULL;
 747 }
 748
 749 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 750                                                  GtkCTreeNode *node)
 751 {
 752         FolderItem *item;
 753
 754         if (node)
 755                 node = gtkut_ctree_node_next(ctree, node);
 756         else
 757                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 758
 759         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 760                 item = gtk_ctree_node_get_row_data(ctree, node);
 761                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 762                         return node;
 763         }
 764
 765         return NULL;
 766 }
 767
 768 void folderview_select_next_unread(FolderView *folderview)
 769 {
 770         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 771         GtkCTreeNode *node = NULL;
 772
 773         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 774             != NULL) {
 775                 folderview_select_node(folderview, node);
 776                 return;
 777         }
 778
 779         if (!folderview->opened ||
 780             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 781                 return;
 782         /* search again from the first node */
 783         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 784                 folderview_select_node(folderview, node);
 785 }
 786
 787 static GtkCTreeNode *folderview_find_next_new(GtkCTree *ctree,
 788                                                  GtkCTreeNode *node)
 789 {
 790         FolderItem *item;
 791
 792         if (node)
 793                 node = gtkut_ctree_node_next(ctree, node);
 794         else
 795                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 796
 797         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 798                 item = gtk_ctree_node_get_row_data(ctree, node);
 799                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 800                         return node;
 801         }
 802
 803         return NULL;
 804 }
 805
 806 void folderview_select_next_new(FolderView *folderview)
 807 {
 808         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 809         GtkCTreeNode *node = NULL;
 810
 811         if ((node = folderview_find_next_new(ctree, folderview->opened))
 812             != NULL) {
 813                 folderview_select_node(folderview, node);
 814                 return;
 815         }
 816
 817         if (!folderview->opened ||
 818             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 819                 return;
 820         /* search again from the first node */
 821         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
 822                 folderview_select_node(folderview, node);
 823 }
 824
 825 FolderItem *folderview_get_selected_item(FolderView *folderview)
 826 {
 827         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 828
 829         if (!folderview->selected) return NULL;
 830         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 831 }
 832
 833 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 834 {
 835         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 836         static GtkCTreeNode *prev_row = NULL;
 837         FolderItem *item;
 838         gint new, unread, total;
 839         gchar *new_str, *unread_str, *total_str;
 840         gint *col_pos = folderview->col_pos;
 841
 842         if (!row) return;
 843
 844         item = gtk_ctree_node_get_row_data(ctree, row);
 845         if (!item) return;
 846
 847         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_NEW], &new_str);
 848         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_UNREAD], &unread_str);
 849         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_TOTAL], &total_str);
 850         new = atoi(new_str);
 851         unread = atoi(unread_str);
 852         total = atoi(total_str);
 853
 854         prev_row = row;
 855
 856         folderview_update_node(folderview, row);
 857 }
 858
 859 void folderview_append_item(FolderItem *item)
 860 {
 861         GList *list;
 862
 863         g_return_if_fail(item != NULL);
 864         g_return_if_fail(item->folder != NULL);
 865         if (folder_item_parent(item)) return;
 866
 867         for (list = folderview_list; list != NULL; list = list->next) {
 868                 FolderView *folderview = (FolderView *)list->data;
 869                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 870                 GtkCTreeNode *node, *child;
 871                 gint *col_pos = folderview->col_pos;
 872
 873                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 874                                                   folder_item_parent(item));
 875                 if (node) {
 876                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 877                         if (!child) {
 878                                 gchar *text[N_FOLDER_COLS] =
 879                                         {NULL, "0", "0", "0"};
 880
 881                                 gtk_clist_freeze(GTK_CLIST(ctree));
 882
 883                                 text[col_pos[F_COL_FOLDER]] = item->name;
 884                                 child = gtk_ctree_insert_node
 885                                         (ctree, node, NULL, text,
 886                                          FOLDER_SPACING,
 887                                          folderxpm, folderxpmmask,
 888                                          folderopenxpm, folderopenxpmmask,
 889                                          FALSE, FALSE);
 890                                 gtk_ctree_node_set_row_data(ctree, child, item);
 891                                 gtk_ctree_expand(ctree, node);
 892                                 folderview_update_node(folderview, child);
 893                                 folderview_sort_folders(folderview, node,
 894                                                         item->folder);
 895
 896                                 gtk_clist_thaw(GTK_CLIST(ctree));
 897                         }
 898                 }
 899         }
 900 }
 901
 902 static void folderview_set_folders(FolderView *folderview)
 903 {
 904         GList *list;
 905
 906         list = folder_get_list();
 907
 908         for (; list != NULL; list = list->next)
 909                 folderview_append_folder(folderview, FOLDER(list->data));
 910 }
 911
 912 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 913                                       gpointer data)
 914 {
 915         GList *list;
 916
 917         for (list = folderview_list; list != NULL; list = list->next) {
 918                 FolderView *folderview = (FolderView *)list->data;
 919                 MainWindow *mainwin = folderview->mainwin;
 920                 gchar *str;
 921
 922                 if (item->path)
 923                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 924                                               item->folder->name, G_DIR_SEPARATOR,
 925                                               item->path);
 926                 else
 927                         str = g_strdup_printf(_("Scanning folder %s ..."),
 928                                               item->folder->name);
 929
 930                 STATUSBAR_PUSH(mainwin, str);
 931                 STATUSBAR_POP(mainwin);
 932                 g_free(str);
 933         }
 934 }
 935
 936 static GtkWidget *label_window_create(const gchar *str)
 937 {
 938         GtkWidget *window;
 939         GtkWidget *label;
 940
 941         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 942         gtk_widget_set_size_request(window, 380, 60);
 943         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 944         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 945         gtk_window_set_title(GTK_WINDOW(window), str);
 946         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 947         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 948         manage_window_set_transient(GTK_WINDOW(window));
 949
 950         label = gtk_label_new(str);
 951         gtk_container_add(GTK_CONTAINER(window), label);
 952         gtk_widget_show(label);
 953
 954         gtk_widget_show_now(window);
 955
 956         return window;
 957 }
 958
 959 void folderview_rescan_tree(Folder *folder)
 960 {
 961         GtkWidget *window;
 962
 963         g_return_if_fail(folder != NULL);
 964
 965         if (!folder->klass->scan_tree) return;
 966
 967         inc_lock();
 968         window = label_window_create(_("Rebuilding folder tree..."));
 969
 970         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 971         folder_scan_tree(folder);
 972         folder_set_ui_func(folder, NULL, NULL);
 973
 974         folderview_set_all();
 975
 976         gtk_widget_destroy(window);
 977         inc_unlock();
 978 }
 979
 980 /** folderview_check_new()
 981  *  Scan and update the folder and return the
 982  *  count the number of new messages since last check.
 983  *  \param folder the folder to check for new messages
 984  *  \return the number of new messages since last check
 985  */
 986 gint folderview_check_new(Folder *folder)
 987 {
 988         GList *list;
 989         FolderItem *item;
 990         FolderView *folderview;
 991         GtkCTree *ctree;
 992         GtkCTreeNode *node;
 993         gint new_msgs = 0;
 994         gint former_new_msgs = 0;
 995         gint former_new = 0;
 996
 997         for (list = folderview_list; list != NULL; list = list->next) {
 998                 folderview = (FolderView *)list->data;
 999                 ctree = GTK_CTREE(folderview->ctree);
1000
1001                 inc_lock();
1002                 main_window_lock(folderview->mainwin);
1003                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
1004
1005                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1006                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1007                         item = gtk_ctree_node_get_row_data(ctree, node);
1008                         if (!item || !item->path || !item->folder) continue;
1009                         if (item->no_select) continue;
1010                         if (folder && folder != item->folder) continue;
1011                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1012                         if (!item->prefs->newmailcheck) continue;
1013
1014                         folderview_scan_tree_func(item->folder, item, NULL);
1015                         former_new = item->new_msgs;
1016
1017                         if (folder_item_scan(item) < 0) {
1018                                 summaryview_unlock(folderview->summaryview, item);
1019                                 if (folder && !FOLDER_IS_LOCAL(folder))
1020                                         break;
1021                         }
1022
1023                         folderview_update_node(folderview, node);
1024                         new_msgs += item->new_msgs;
1025                         former_new_msgs += former_new;
1026                 }
1027
1028                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
1029                 main_window_unlock(folderview->mainwin);
1030                 inc_unlock();
1031         }
1032
1033         folder_write_list();
1034         /* Number of new messages since last check is the just the difference
1035          * between former_new_msgs and new_msgs. If new_msgs is less than
1036          * former_new_msgs, that would mean another session accessed the folder
1037          * and the result is not well defined.
1038          */
1039         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1040         return new_msgs;
1041 }
1042
1043 void folderview_check_new_all(void)
1044 {
1045         GList *list;
1046         GtkWidget *window;
1047         FolderView *folderview;
1048
1049         folderview = (FolderView *)folderview_list->data;
1050
1051         inc_lock();
1052         main_window_lock(folderview->mainwin);
1053         window = label_window_create
1054                 (_("Checking for new messages in all folders..."));
1055
1056         list = folder_get_list();
1057         for (; list != NULL; list = list->next) {
1058                 Folder *folder = list->data;
1059
1060                 folderview_check_new(folder);
1061         }
1062
1063         folder_write_list();
1064         folderview_set_all();
1065
1066         gtk_widget_destroy(window);
1067         main_window_unlock(folderview->mainwin);
1068         inc_unlock();
1069 }
1070
1071 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1072                                                  FolderItem *item,
1073                                                  gboolean in_sub)
1074 {
1075         GNode *node = NULL;
1076
1077         if (!item || !item->folder || !item->folder->node)
1078                 return FALSE;
1079
1080         node = item->folder->node;
1081
1082         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1083         node = node->children;
1084
1085         if (in_sub &&
1086             (item->new_msgs > 0 ||
1087             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1088                 return TRUE;
1089         }
1090
1091         while (node != NULL) {
1092                 if (node && node->data) {
1093                         FolderItem *next_item = (FolderItem*) node->data;
1094                         node = node->next;
1095                         if (folderview_have_new_children_sub(folderview,
1096                                                              next_item, TRUE))
1097                                 return TRUE;
1098                 }
1099         }
1100
1101         return FALSE;
1102 }
1103
1104 static gboolean folderview_have_new_children(FolderView *folderview,
1105                                              FolderItem *item)
1106 {
1107         return folderview_have_new_children_sub(folderview, item, FALSE);
1108 }
1109
1110 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1111                                                     FolderItem *item,
1112                                                     gboolean in_sub)
1113 {
1114         GNode *node = NULL;
1115
1116         if (!item || !item->folder || !item->folder->node)
1117                 return FALSE;
1118
1119         node = item->folder->node;
1120
1121         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1122         node = node->children;
1123
1124         if (in_sub &&
1125             (item->unread_msgs > 0 ||
1126             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1127                 return TRUE;
1128         }
1129
1130         while (node != NULL) {
1131                 if (node && node->data) {
1132                         FolderItem *next_item = (FolderItem*) node->data;
1133                         node = node->next;
1134                         if (folderview_have_unread_children_sub(folderview,
1135                                                                 next_item,
1136                                                                 TRUE))
1137                                 return TRUE;
1138                 }
1139         }
1140
1141         return FALSE;
1142 }
1143
1144 static gboolean folderview_have_unread_children(FolderView *folderview,
1145                                                 FolderItem *item)
1146 {
1147         return folderview_have_unread_children_sub(folderview, item, FALSE);
1148 }
1149
1150 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1151                                                       FolderItem *item,
1152                                                       gboolean in_sub)
1153 {
1154         GNode *node = NULL;
1155
1156         if (!item || !item->folder || !item->folder->node)
1157                 return FALSE;
1158
1159         node = item->folder->node;
1160
1161         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1162         node = node->children;
1163
1164         if (in_sub && item->search_match){
1165                 return TRUE;
1166         }
1167
1168         while (node != NULL) {
1169                 if (node && node->data) {
1170                         FolderItem *next_item = (FolderItem*) node->data;
1171                         node = node->next;
1172                         if (folderview_have_matching_children_sub(folderview,
1173                                                                   next_item,
1174                                                                   TRUE))
1175                                 return TRUE;
1176                 }
1177         }
1178
1179         return FALSE;
1180 }
1181
1182 static gboolean folderview_have_matching_children(FolderView *folderview,
1183                                                   FolderItem *item)
1184 {
1185         return folderview_have_matching_children_sub(folderview, item, FALSE);
1186 }
1187
1188 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1189 {
1190         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1191         GtkStyle *style = NULL;
1192         GtkStyle *color_style = NULL;
1193         FolderItem *item;
1194         GdkPixmap *xpm, *openxpm;
1195         GdkBitmap *mask, *openmask;
1196         static GdkPixmap *searchicon;
1197         static GdkBitmap *searchmask;
1198         gboolean mark = FALSE;
1199         gchar *name;
1200         gchar *str;
1201         gboolean add_unread_mark;
1202         gboolean add_sub_match_mark;
1203         gboolean use_bold, use_color;
1204         gint *col_pos = folderview->col_pos;
1205
1206         item = gtk_ctree_node_get_row_data(ctree, node);
1207         g_return_if_fail(item != NULL);
1208
1209         mark = (item->marked_msgs != 0);
1210
1211         switch (item->stype) {
1212         case F_INBOX:
1213                 if (item->hide_read_msgs) {
1214                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1215                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1216                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1217                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1218                 } else {
1219                         xpm = mark?m_inboxxpm:inboxxpm;
1220                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1221                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1222                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1223                 }
1224                 break;
1225         case F_OUTBOX:
1226                 if (item->hide_read_msgs) {
1227                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1228                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1229                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1230                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1231                 } else {
1232                         xpm = mark?m_outboxxpm:outboxxpm;
1233                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1234                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1235                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1236                 }
1237                 break;
1238         case F_QUEUE:
1239                 if (item->hide_read_msgs) {
1240                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1241                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1242                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1243                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1244                 } else {
1245                         xpm = mark?m_queuexpm:queuexpm;
1246                         mask = mark?m_queuexpmmask:queuexpmmask;
1247                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1248                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1249                 }
1250                 break;
1251         case F_TRASH:
1252                 if (item->hide_read_msgs) {
1253                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1254                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1255                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1256                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1257                 } else {
1258                         xpm = mark?m_trashxpm:trashxpm;
1259                         mask = mark?m_trashxpmmask:trashxpmmask;
1260                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1261                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1262                 }
1263                 break;
1264         case F_DRAFT:
1265                 xpm = mark?m_draftsxpm:draftsxpm;
1266                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1267                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1268                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1269                 break;
1270         default:
1271                 if (item->hide_read_msgs) {
1272                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1273                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1274                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1275                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1276                 } else {
1277                         xpm = mark?m_folderxpm:folderxpm;
1278                         mask = mark?m_folderxpmmask:folderxpmmask;
1279                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1280                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1281                 }
1282         }
1283
1284         if (item->no_select) {
1285                 xpm = openxpm = noselectxpm;
1286                 mask = openmask = noselectxpmmask;
1287         }
1288
1289         name = folder_item_get_name(item);
1290
1291         if (!GTK_CTREE_ROW(node)->expanded) {
1292                 add_unread_mark = folderview_have_unread_children(
1293                                         folderview, item);
1294                 add_sub_match_mark = folderview_have_matching_children(
1295                                         folderview, item);
1296         } else {
1297                 add_unread_mark = FALSE;
1298                 add_sub_match_mark = FALSE;
1299         }
1300
1301         if (item->search_match) {
1302                 if (!searchicon) {
1303                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1304                          &searchicon, &searchmask);
1305                 }
1306                 xpm = openxpm = searchicon;
1307                 mask = openmask = searchmask;
1308         }
1309
1310         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0 &&
1311             prefs_common.display_folder_unread) {
1312                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1313                                       add_unread_mark ? "+" : "");
1314                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1315                                         xpm, mask, openxpm, openmask,
1316                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1317                 g_free(str);
1318         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1319                     prefs_common.display_folder_unread)
1320                    || add_sub_match_mark) {
1321
1322                 if (item->unread_msgs > 0)
1323                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1324                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1325                                               item->unreadmarked_msgs > 0 ? "!":"");
1326                 else
1327                         str = g_strdup_printf("%s (+)", name);
1328                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1329                                         xpm, mask, openxpm, openmask,
1330                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1331                 g_free(str);
1332         } else {
1333                 str = g_strdup_printf("%s%s", name,
1334                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1335
1336                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1337                                         xpm, mask, openxpm, openmask,
1338                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1339                 g_free(str);
1340         }
1341         g_free(name);
1342
1343         if (!folder_item_parent(item)) {
1344                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1345                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1346                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1347         } else {
1348                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    itos(item->new_msgs));
1349                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], itos(item->unread_msgs));
1350                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  itos(item->total_msgs));
1351         }
1352
1353         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1354             folder_has_parent_of_type(item, F_DRAFT) ||
1355             folder_has_parent_of_type(item, F_TRASH)) {
1356                 use_bold = use_color = FALSE;
1357         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1358                 /* highlight queue folder if there are any messages */
1359                 use_bold = use_color = (item->total_msgs > 0);
1360         } else {
1361                 /* if unread messages exist, print with bold font */
1362                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1363                                 || add_unread_mark;
1364                 /* if new messages exist, print with colored letter */
1365                 use_color =
1366                         (item->new_msgs > 0) ||
1367                         (add_unread_mark &&
1368                          folderview_have_new_children(folderview, item));
1369         }
1370
1371         gtk_ctree_node_set_foreground(ctree, node, NULL);
1372
1373         if (use_bold) {
1374                 if (item->prefs->color > 0 && !use_color) {
1375                         GdkColor gdk_color;
1376
1377                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1378                         color_style = gtk_style_copy(bold_style);
1379                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1380                         style = color_style;
1381                 } else if (use_color)
1382                         style = bold_color_style;
1383                 else
1384                         style = bold_style;
1385                 if (item->op_count > 0) {
1386                         style = bold_tgtfold_style;
1387                 }
1388         } else if (use_color) {
1389                 style = normal_color_style;
1390                 gtk_ctree_node_set_foreground(ctree, node,
1391                                               &folderview->color_new);
1392         } else if (item->op_count > 0) {
1393                 style = bold_tgtfold_style;
1394         } else if (item->prefs->color > 0) {
1395                 GdkColor gdk_color;
1396                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1397                 color_style = gtk_style_copy(normal_style);
1398                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1399                 style = color_style;
1400         } else {
1401                 style = normal_style;
1402         }
1403
1404         gtk_ctree_node_set_row_style(ctree, node, style);
1405
1406         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1407                 folderview_update_node(folderview, node);
1408 }
1409
1410 #if !CLAWS /* keep it here for syncs */
1411 void folderview_update_item(FolderItem *item, gboolean update_summary)
1412 {
1413         GList *list;
1414         FolderView *folderview;
1415         GtkCTree *ctree;
1416         GtkCTreeNode *node;
1417
1418         g_return_if_fail(item != NULL);
1419
1420         for (list = folderview_list; list != NULL; list = list->next) {
1421                 folderview = (FolderView *)list->data;
1422                 ctree = GTK_CTREE(folderview->ctree);
1423
1424                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1425                 if (node) {
1426                         folderview_update_node(folderview, node);
1427                         if (update_summary && folderview->opened == node)
1428                                 summary_show(folderview->summaryview,
1429                                              item, FALSE);
1430                 }
1431         }
1432 }
1433 #endif
1434
1435 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1436 {
1437         GList *list;
1438         FolderView *folderview;
1439         GtkCTree *ctree;
1440         GtkCTreeNode *node;
1441
1442         g_return_if_fail(item != NULL);
1443
1444         for (list = folderview_list; list != NULL; list = list->next) {
1445                 folderview = (FolderView *)list->data;
1446                 ctree = GTK_CTREE(folderview->ctree);
1447
1448                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1449                 if (node) {
1450                         item->search_match = matches;
1451                         folderview_update_node(folderview, node);
1452                 }
1453         }
1454 }
1455
1456 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1457 {
1458         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1459         FolderView *folderview = (FolderView *)data;
1460         GtkCTree *ctree;
1461         GtkCTreeNode *node;
1462         g_return_val_if_fail(update_info != NULL, TRUE);
1463         g_return_val_if_fail(update_info->item != NULL, TRUE);
1464         g_return_val_if_fail(folderview != NULL, FALSE);
1465
1466         ctree = GTK_CTREE(folderview->ctree);
1467
1468         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1469         if (node) {
1470                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1471                         folderview_update_node(folderview, node);
1472                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1473                         summary_show(folderview->summaryview, update_info->item);
1474         }
1475
1476         return FALSE;
1477 }
1478
1479 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1480                                                 gpointer data)
1481 {
1482         /* CLAWS: share this joy with other hook functions ... */
1483         folder_item_update((FolderItem *)key,
1484                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1485 }
1486
1487 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1488 {
1489         GList *list;
1490         FolderItemUpdateFlags flags;
1491
1492         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1493                 : 0;
1494         for (list = folderview_list; list != NULL; list = list->next)
1495                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1496                                      GINT_TO_POINTER(flags));
1497 }
1498
1499 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1500                                       GNode *gnode, GtkCTreeNode *cnode,
1501                                       gpointer data)
1502 {
1503         FolderView *folderview = (FolderView *)data;
1504         FolderItem *item = FOLDER_ITEM(gnode->data);
1505
1506         g_return_val_if_fail(item != NULL, FALSE);
1507
1508         gtk_ctree_node_set_row_data(ctree, cnode, item);
1509         folderview_update_node(folderview, cnode);
1510
1511         return TRUE;
1512 }
1513
1514 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1515                                    gpointer data)
1516 {
1517         FolderView *folderview = (FolderView *)data;
1518         FolderItem *item;
1519
1520         if (GTK_CTREE_ROW(node)->children) {
1521                 item = gtk_ctree_node_get_row_data(ctree, node);
1522                 g_return_if_fail(item != NULL);
1523
1524                 if (!item->collapsed)
1525                         gtk_ctree_expand(ctree, node);
1526                 else
1527                         folderview_update_node(folderview, node);
1528         }
1529 }
1530
1531 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1532                                GtkCTreeNode *root, GtkCTreeNode **prev)
1533 {
1534         if (item) {
1535                 GtkCTreeNode *node, *parent, *sibling;
1536
1537                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1538                 if (!node)
1539                         g_warning("%s not found.\n", item->path);
1540                 else {
1541                         parent = GTK_CTREE_ROW(node)->parent;
1542                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1543                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1544                         else
1545                                 sibling = GTK_CTREE_ROW(parent)->children;
1546                         while (sibling) {
1547                                 FolderItem *tmp;
1548
1549                                 tmp = gtk_ctree_node_get_row_data
1550                                         (ctree, sibling);
1551                                 if (tmp->stype != F_NORMAL)
1552                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1553                                 else
1554                                         break;
1555                         }
1556                         if (node != sibling)
1557                                 gtk_ctree_move(ctree, node, parent, sibling);
1558                 }
1559
1560                 *prev = node;
1561         }
1562 }
1563
1564 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1565                                     Folder *folder)
1566 {
1567         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1568         GtkCTreeNode *prev = NULL;
1569
1570         gtk_sctree_sort_recursive(ctree, root);
1571
1572         if (root && GTK_CTREE_ROW(root)->parent) return;
1573
1574         set_special_folder(ctree, folder->inbox, root, &prev);
1575         set_special_folder(ctree, folder->outbox, root, &prev);
1576         set_special_folder(ctree, folder->draft, root, &prev);
1577         set_special_folder(ctree, folder->queue, root, &prev);
1578         set_special_folder(ctree, folder->trash, root, &prev);
1579 }
1580
1581 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1582 {
1583         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1584         GtkCTreeNode *root;
1585
1586         g_return_if_fail(folder != NULL);
1587
1588         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1589                                       folderview_gnode_func, folderview);
1590         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1591                                 folderview);
1592         folderview_sort_folders(folderview, root, folder);
1593 }
1594
1595 /* callback functions */
1596
1597 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1598                                           FolderView *folderview)
1599 {
1600         GtkCList *clist = GTK_CLIST(ctree);
1601         gint prev_row = -1, row = -1, column = -1;
1602         FolderItem *item;
1603         Folder *folder;
1604         FolderViewPopup *fpopup;
1605         GtkItemFactory *fpopup_factory;
1606         GtkWidget *popup;
1607         FolderItem *special_trash = NULL;
1608         PrefsAccount *ac;
1609
1610         if (!event) return FALSE;
1611
1612         if (event->button == 1) {
1613                 folderview->open_folder = TRUE;
1614
1615                 if (event->type == GDK_2BUTTON_PRESS) {
1616                         if (clist->selection) {
1617                                 GtkCTreeNode *node;
1618
1619                                 node = GTK_CTREE_NODE(clist->selection->data);
1620                                 if (node)
1621                                         gtk_ctree_toggle_expansion(
1622                                                 GTK_CTREE(ctree),
1623                                                 node);
1624                         }
1625                 }
1626                 return FALSE;
1627         }
1628
1629         if (event->button == 2 || event->button == 3) {
1630                 /* right clicked */
1631                 if (clist->selection) {
1632                         GtkCTreeNode *node;
1633
1634                         node = GTK_CTREE_NODE(clist->selection->data);
1635                         if (node)
1636                                 prev_row = gtkut_ctree_get_nth_from_node
1637                                         (GTK_CTREE(ctree), node);
1638                 }
1639
1640                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1641                                                   &row, &column))
1642                         return FALSE;
1643                 if (prev_row != row) {
1644                         gtk_clist_unselect_all(clist);
1645                         if (event->button == 2)
1646                                 folderview_select_node
1647                                         (folderview,
1648                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1649                                                             row));
1650                         else
1651                                 gtk_clist_select_row(clist, row, column);
1652                 }
1653         }
1654
1655         if (event->button != 3) return FALSE;
1656
1657         item = gtk_clist_get_row_data(clist, row);
1658         g_return_val_if_fail(item != NULL, FALSE);
1659         g_return_val_if_fail(item->folder != NULL, FALSE);
1660         folder = item->folder;
1661
1662         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1663         if (fpopup != NULL)
1664                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1665         else {
1666                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1667                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1668         }
1669
1670         if (fpopup->set_sensitivity != NULL)
1671                 fpopup->set_sensitivity(fpopup_factory, item);
1672
1673         if (NULL != (ac = account_find_from_item(item)))
1674                 special_trash = account_get_special_folder(ac, F_TRASH);
1675
1676         if ((item == folder->trash || item == special_trash) &&
1677             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1678                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1679                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1680         } else if (item != folder->trash && (special_trash == NULL || item != special_trash)) {
1681                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1682                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1683         }
1684
1685 #define SET_SENS(name, sens) \
1686         menu_set_sensitive(fpopup_factory, name, sens)
1687
1688         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1689         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1690                  folderview->selected == folderview->opened);
1691         SET_SENS("/Properties...", item->node->parent != NULL);
1692         SET_SENS("/Processing...", item->node->parent != NULL);
1693         if (item == folder->trash || item == special_trash) {
1694                 GSList *msglist = folder_item_get_msg_list(item);
1695                 SET_SENS("/Empty trash...", msglist != NULL);
1696                 procmsg_msg_list_free(msglist);
1697         }
1698 #undef SET_SENS
1699
1700         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1701         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1702                        event->button, event->time);
1703
1704         return FALSE;
1705 }
1706
1707 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1708                                            FolderView *folderview)
1709 {
1710         if (!event) return FALSE;
1711
1712         if (event->button == 1 && folderview->open_folder == FALSE &&
1713             folderview->opened != NULL) {
1714                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1715                                           folderview->opened);
1716                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1717         }
1718
1719         return FALSE;
1720 }
1721
1722 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1723                                        FolderView *folderview)
1724 {
1725         if (!event) return FALSE;
1726
1727         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1728                 return FALSE;
1729
1730         switch (event->keyval) {
1731         case GDK_Return:
1732                 if (folderview->selected) {
1733                         folderview_select_node(folderview,
1734                                                folderview->selected);
1735                 }
1736                 break;
1737         case GDK_space:
1738                 if (folderview->selected) {
1739                         if (folderview->opened == folderview->selected &&
1740                             (!folderview->summaryview->folder_item ||
1741                              folderview->summaryview->folder_item->total_msgs == 0))
1742                                 folderview_select_next_unread(folderview);
1743                         else
1744                                 folderview_select_node(folderview,
1745                                                        folderview->selected);
1746                 }
1747                 break;
1748         default:
1749                 break;
1750         }
1751
1752         return FALSE;
1753 }
1754
1755 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1756                                 gint column, FolderView *folderview)
1757 {
1758         static gboolean can_select = TRUE;      /* exclusive lock */
1759         gboolean opened;
1760         FolderItem *item;
1761         gchar *buf;
1762
1763         folderview->selected = row;
1764
1765         if (folderview->opened == row) {
1766                 folderview->open_folder = FALSE;
1767                 return;
1768         }
1769
1770         if (!can_select || summary_is_locked(folderview->summaryview)) {
1771                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1772                 gtk_ctree_select(ctree, folderview->opened);
1773                 return;
1774         }
1775
1776         if (!folderview->open_folder) return;
1777
1778         item = gtk_ctree_node_get_row_data(ctree, row);
1779         if (!item || item->no_select) return;
1780
1781         can_select = FALSE;
1782
1783         /* Save cache for old folder */
1784         /* We don't want to lose all caches if sylpheed crashed */
1785         if (folderview->opened) {
1786                 FolderItem *olditem;
1787
1788                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1789                 if (olditem) {
1790                         /* will be null if we just moved the previously opened folder */
1791                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1792                         folder_item_close(olditem);
1793                 }
1794         }
1795
1796         /* CLAWS: set compose button type: news folder items
1797          * always have a news folder as parent */
1798         if (item->folder)
1799                 toolbar_set_compose_button
1800                         (folderview->mainwin->toolbar,
1801                          FOLDER_TYPE(item->folder) == F_NEWS ?
1802                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1803
1804         if (item->path)
1805                 debug_print("Folder %s is selected\n", item->path);
1806
1807         if (!GTK_CTREE_ROW(row)->children)
1808                 gtk_ctree_expand(ctree, row);
1809         if (folderview->opened &&
1810             !GTK_CTREE_ROW(folderview->opened)->children)
1811                 gtk_ctree_collapse(ctree, folderview->opened);
1812
1813         /* ungrab the mouse event */
1814         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1815                 gtk_grab_remove(GTK_WIDGET(ctree));
1816                 if (gdk_pointer_is_grabbed())
1817                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1818         }
1819
1820         /* Open Folder */
1821         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1822                                         item->path : "(null)");
1823         debug_print("%s\n", buf);
1824         STATUSBAR_PUSH(folderview->mainwin, buf);
1825         g_free(buf);
1826
1827         main_window_cursor_wait(folderview->mainwin);
1828
1829         if (folder_item_open(item) != 0) {
1830                 main_window_cursor_normal(folderview->mainwin);
1831                 STATUSBAR_POP(folderview->mainwin);
1832
1833                 alertpanel_error(_("Folder could not be opened."));
1834
1835                 folderview->open_folder = FALSE;
1836                 can_select = TRUE;
1837
1838                 return;
1839         }
1840
1841         main_window_cursor_normal(folderview->mainwin);
1842
1843         /* Show messages */
1844         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1845         opened = summary_show(folderview->summaryview, item);
1846
1847         folder_clean_cache_memory();
1848
1849         if (!opened) {
1850                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1851                 gtk_ctree_select(ctree, folderview->opened);
1852         } else {
1853                 folderview->opened = row;
1854                 if (gtk_ctree_node_is_visible(ctree, row)
1855                     != GTK_VISIBILITY_FULL)
1856                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1857         }
1858
1859         STATUSBAR_POP(folderview->mainwin);
1860
1861         folderview->open_folder = FALSE;
1862         can_select = TRUE;
1863 }
1864
1865 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1866                                      FolderView *folderview)
1867 {
1868         FolderItem *item;
1869
1870         item = gtk_ctree_node_get_row_data(ctree, node);
1871         g_return_if_fail(item != NULL);
1872         item->collapsed = FALSE;
1873         folderview_update_node(folderview, node);
1874 }
1875
1876 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1877                                       FolderView *folderview)
1878 {
1879         FolderItem *item;
1880
1881         item = gtk_ctree_node_get_row_data(ctree, node);
1882         g_return_if_fail(item != NULL);
1883         item->collapsed = TRUE;
1884         folderview_update_node(folderview, node);
1885 }
1886
1887 static void folderview_popup_close(GtkMenuShell *menu_shell,
1888                                    FolderView *folderview)
1889 {
1890         if (!folderview->opened) return;
1891
1892         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1893 }
1894
1895 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1896                                    FolderView *folderview)
1897 {
1898         FolderColumnType type = folderview->col_state[column].type;
1899
1900         prefs_common.folder_col_size[type] = width;
1901 }
1902
1903 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1904 {
1905         GNode *srcnode;
1906
1907         folderview_create_folder_node(folderview, item);
1908
1909         if (!item || !item->folder || !item->folder->node)
1910                 return;
1911
1912         srcnode = item->folder->node;
1913         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1914         srcnode = srcnode->children;
1915         while (srcnode != NULL) {
1916                 if (srcnode && srcnode->data) {
1917                         FolderItem *next_item = (FolderItem*) srcnode->data;
1918                         folderview_create_folder_node_recursive(folderview, next_item);
1919                 }
1920                 srcnode = srcnode->next;
1921         }
1922 }
1923
1924 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1925 {
1926         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1927         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1928         GtkCTreeNode *node, *parent_node;
1929         gint *col_pos = folderview->col_pos;
1930
1931         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1932         if (parent_node == NULL)
1933                 return;
1934
1935         gtk_clist_freeze(GTK_CLIST(ctree));
1936
1937         text[col_pos[F_COL_FOLDER]] = item->name;
1938         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1939                                      FOLDER_SPACING,
1940                                      folderxpm, folderxpmmask,
1941                                      folderopenxpm, folderopenxpmmask,
1942                                      FALSE, FALSE);
1943         gtk_ctree_expand(ctree, parent_node);
1944         gtk_ctree_node_set_row_data(ctree, node, item);
1945         if (normal_style)
1946                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1947         folderview_sort_folders(folderview, parent_node, item->folder);
1948
1949         gtk_clist_thaw(GTK_CLIST(ctree));
1950 }
1951
1952 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1953                                       GtkWidget *widget)
1954 {
1955         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1956         FolderItem *item;
1957         GSList *mlist = NULL;
1958         GSList *cur = NULL;
1959         if (!folderview->selected) return;
1960         FolderItem *special_trash = NULL;
1961         PrefsAccount *ac;
1962
1963         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1964         g_return_if_fail(item != NULL);
1965         g_return_if_fail(item->folder != NULL);
1966
1967         if (NULL != (ac = account_find_from_item(item)))
1968                 special_trash = account_get_special_folder(ac, F_TRASH);
1969
1970         if (item != item->folder->trash && item != special_trash) return;
1971
1972         if (prefs_common.ask_on_clean) {
1973                 if (alertpanel(_("Empty trash"),
1974                                _("Delete all messages in trash?"),
1975                                GTK_STOCK_YES, GTK_STOCK_NO, NULL) != G_ALERTDEFAULT)
1976                         return;
1977         }
1978
1979         mlist = folder_item_get_msg_list(item);
1980
1981         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1982                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1983                 if (MSG_IS_LOCKED(msginfo->flags))
1984                         continue;
1985                 /* is it partially received? (partial_recv isn't cached) */
1986                 if (msginfo->total_size != 0 &&
1987                     msginfo->size != (off_t)msginfo->total_size)
1988                         partial_mark_for_delete(msginfo);
1989         }
1990         procmsg_msg_list_free(mlist);
1991
1992         folder_item_remove_all_msg(item);
1993 }
1994
1995 static void folderview_search_cb(FolderView *folderview, guint action,
1996                                  GtkWidget *widget)
1997 {
1998         summary_search(folderview->summaryview);
1999 }
2000
2001 static void folderview_property_cb(FolderView *folderview, guint action,
2002                                    GtkWidget *widget)
2003 {
2004         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2005         FolderItem *item;
2006
2007         if (!folderview->selected) return;
2008
2009         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2010         g_return_if_fail(item != NULL);
2011         g_return_if_fail(item->folder != NULL);
2012
2013         if (folder_item_parent(item) == NULL)
2014                 return;
2015
2016         prefs_folder_item_open(item);
2017 }
2018
2019 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2020 {
2021         GSList *list = NULL;
2022         GSList *done = NULL;
2023         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2024
2025         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2026                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2027                 &&  list->data != node) {
2028                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2029                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2030                 }
2031         }
2032         for (list = done; list != NULL; list = g_slist_next(list)) {
2033                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2034                                                                  list->data);
2035         }
2036         g_slist_free(done);
2037 }
2038
2039 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2040                             FolderItem *to_folder)
2041 {
2042         FolderItem *from_parent = NULL;
2043         FolderItem *new_folder = NULL;
2044         GtkCTreeNode *src_node = NULL;
2045         gchar *buf;
2046         gint status;
2047
2048         g_return_if_fail(folderview != NULL);
2049         g_return_if_fail(from_folder != NULL);
2050         g_return_if_fail(to_folder != NULL);
2051
2052         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2053         from_parent = folder_item_parent(from_folder);
2054
2055         if (prefs_common.warn_dnd) {
2056                 buf = g_strdup_printf(_("Do you really want to make folder '%s' a "
2057                                         "sub-folder of '%s' ?"), from_folder->name,
2058                                         to_folder->name);
2059                 status = alertpanel_full(_("Move folder"), buf,
2060                                          GTK_STOCK_YES, GTK_STOCK_NO, NULL, TRUE,
2061                                          NULL, ALERT_QUESTION, G_ALERTALTERNATE);
2062                 g_free(buf);
2063
2064                 if (status != G_ALERTDEFAULT
2065                  && status != (G_ALERTDEFAULT | G_ALERTDISABLE))
2066                         return;
2067                 if (status & G_ALERTDISABLE)
2068                         prefs_common.warn_dnd = FALSE;
2069         }
2070
2071         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2072         STATUSBAR_PUSH(folderview->mainwin, buf);
2073         g_free(buf);
2074         summary_clear_all(folderview->summaryview);
2075         folderview->opened = NULL;
2076         folderview->selected = NULL;
2077         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2078         inc_lock();
2079         main_window_cursor_wait(folderview->mainwin);
2080         statusbar_verbosity_set(TRUE);
2081         folder_item_update_freeze();
2082         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2083                 statusbar_verbosity_set(FALSE);
2084                 main_window_cursor_normal(folderview->mainwin);
2085                 STATUSBAR_POP(folderview->mainwin);
2086                 folder_item_update_thaw();
2087                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2088
2089                 folderview_sort_folders(folderview,
2090                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2091                                 NULL, to_folder), new_folder->folder);
2092                 folderview_select(folderview, new_folder);
2093         } else {
2094                 statusbar_verbosity_set(FALSE);
2095                 main_window_cursor_normal(folderview->mainwin);
2096                 STATUSBAR_POP(folderview->mainwin);
2097                 folder_item_update_thaw();
2098                 switch (status) {
2099                 case F_MOVE_FAILED_DEST_IS_PARENT:
2100                         alertpanel_error(_("Source and destination are the same."));
2101                         break;
2102                 case F_MOVE_FAILED_DEST_IS_CHILD:
2103                         alertpanel_error(_("Can't move a folder to one of its children."));
2104                         break;
2105                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2106                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2107                         break;
2108                 default:
2109                         alertpanel_error(_("Move failed!"));
2110                         break;
2111                 }
2112         }
2113         inc_unlock();
2114         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2115 }
2116
2117 static gint folderview_clist_compare(GtkCList *clist,
2118                                      gconstpointer ptr1, gconstpointer ptr2)
2119 {
2120         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2121         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2122
2123         if (!item1->name)
2124                 return (item2->name != NULL);
2125         if (!item2->name)
2126                 return -1;
2127
2128         return g_utf8_collate(item1->name, item2->name);
2129 }
2130
2131 static void folderview_processing_cb(FolderView *folderview, guint action,
2132                                      GtkWidget *widget)
2133 {
2134         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2135         FolderItem *item;
2136         gchar *id, *title;
2137
2138         if (!folderview->selected) return;
2139
2140         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2141         g_return_if_fail(item != NULL);
2142         g_return_if_fail(item->folder != NULL);
2143
2144         id = folder_item_get_identifier(item);
2145         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2146         g_free (id);
2147
2148         prefs_filtering_open(&item->prefs->processing, title, NULL, NULL);
2149         g_free (title);
2150 }
2151
2152 void folderview_set_target_folder_color(gint color_op)
2153 {
2154         gint firstone = 1;
2155         GList *list;
2156         FolderView *folderview;
2157
2158         for (list = folderview_list; list != NULL; list = list->next) {
2159                 folderview = (FolderView *)list->data;
2160                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2161                 if (firstone) {
2162                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2163                                 folderview->color_op;
2164                         firstone = 0;
2165                 }
2166         }
2167 }
2168
2169 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2170 {
2171 }
2172
2173 void folderview_reflect_prefs(void)
2174 {
2175         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2176         normal_style = normal_color_style = bold_style =
2177                 bold_color_style = bold_tgtfold_style = NULL;
2178         FolderItem *item = folderview_get_selected_item(folderview);
2179         folderview_init(folderview);
2180         folderview_column_set_titles(folderview);
2181         folderview_set_all();
2182         if (item)
2183                 folderview_select(folderview, item);
2184 }
2185
2186 static void drag_state_stop(FolderView *folderview)
2187 {
2188         if (folderview->drag_timer)
2189                 gtk_timeout_remove(folderview->drag_timer);
2190         folderview->drag_timer = 0;
2191         folderview->drag_node = NULL;
2192 }
2193
2194 static gint folderview_defer_expand(FolderView *folderview)
2195 {
2196         if (folderview->drag_node) {
2197                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2198                 if (folderview->drag_item->collapsed) {
2199                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2200                         folderview->nodes_to_recollapse = g_slist_append
2201                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2202                 }
2203         }
2204         folderview->drag_item  = NULL;
2205         folderview->drag_timer = 0;
2206         return FALSE;
2207 }
2208
2209 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2210 {
2211         /* the idea is that we call drag_state_start() whenever we want expansion to
2212          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2213          * we need to call drag_state_stop() */
2214         drag_state_stop(folderview);
2215         /* request expansion */
2216         if (0 != (folderview->drag_timer = gtk_timeout_add
2217                         (prefs_common.hover_timeout,
2218                          (GtkFunction)folderview_defer_expand,
2219                          folderview))) {
2220                 folderview->drag_node = node;
2221                 folderview->drag_item = item;
2222         }
2223 }
2224
2225 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2226                                   FolderView       *folderview)
2227 {
2228         GdkDragContext *context;
2229
2230         g_return_if_fail(folderview != NULL);
2231         if (folderview->selected == NULL) return;
2232         if (folderview->nodes_to_recollapse)
2233                 g_slist_free(folderview->nodes_to_recollapse);
2234         folderview->nodes_to_recollapse = NULL;
2235         context = gtk_drag_begin(widget, folderview->target_list,
2236                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2237         gtk_drag_set_icon_default(context);
2238 }
2239
2240 static void folderview_drag_data_get(GtkWidget        *widget,
2241                                      GdkDragContext   *drag_context,
2242                                      GtkSelectionData *selection_data,
2243                                      guint             info,
2244                                      guint             time,
2245                                      FolderView       *folderview)
2246 {
2247         FolderItem *item;
2248         GList *cur;
2249         gchar *source = NULL;
2250
2251         for (cur = GTK_CLIST(folderview->ctree)->selection;
2252              cur != NULL; cur = cur->next) {
2253                 item = gtk_ctree_node_get_row_data
2254                         (GTK_CTREE(folderview->ctree),
2255                          GTK_CTREE_NODE(cur->data));
2256                 if (item) {
2257                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2258                         gtk_selection_data_set(selection_data,
2259                                                selection_data->target, 8,
2260                                                source, strlen(source));
2261                         break;
2262                 } else
2263                         return;
2264         }
2265 }
2266
2267 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2268 {
2269         FolderUpdateData *hookdata;
2270         FolderView *folderview;
2271         GtkWidget *ctree;
2272
2273         hookdata = source;
2274         folderview = (FolderView *) userdata;
2275         g_return_val_if_fail(hookdata != NULL, FALSE);
2276         g_return_val_if_fail(folderview != NULL, FALSE);
2277
2278         ctree = folderview->ctree;
2279         g_return_val_if_fail(ctree != NULL, FALSE);
2280
2281         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2282                 folderview_create_folder_node(folderview, hookdata->item);
2283         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2284                 GtkCTreeNode *node;
2285
2286                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2287                 if (node != NULL)
2288                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2289         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2290                 folderview_set(folderview);
2291
2292         return FALSE;
2293 }
2294
2295 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2296                                           GdkDragContext *context,
2297                                           gint            x,
2298                                           gint            y,
2299                                           guint           time,
2300                                           FolderView     *folderview)
2301 {
2302         gint row, column;
2303         FolderItem *item = NULL, *src_item = NULL;
2304         GtkCTreeNode *node = NULL;
2305         gboolean acceptable = FALSE;
2306         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2307                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2308         int height = (int)pos->page_size;
2309         int total_height = (int)pos->upper;
2310         int vpos = (int) pos->value;
2311
2312         if (gtk_clist_get_selection_info
2313                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2314                 GtkWidget *srcwidget;
2315
2316                 if (y > height - 24 && height + vpos < total_height)
2317                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2318
2319                 if (y < 48 && y > 0)
2320                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2321
2322                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2323                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2324                 src_item = folderview->summaryview->folder_item;
2325
2326                 srcwidget = gtk_drag_get_source_widget(context);
2327                 if (srcwidget == folderview->summaryview->ctree) {
2328                         /* comes from summaryview */
2329                         /* we are copying messages, so only accept folder items that are not
2330                            the source item, are no root items and can copy messages */
2331                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2332                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2333                                 acceptable = TRUE;
2334                 } else if (srcwidget == folderview->ctree) {
2335                         /* comes from folderview */
2336                         /* we are moving folder items, only accept folders that are not
2337                            the source items and can copy messages and create folder items */
2338                         if (item && item->folder && src_item && src_item != item &&
2339                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2340                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2341                                 acceptable = TRUE;
2342                 }
2343         }
2344
2345         if (acceptable || (src_item && src_item == item))
2346                 drag_state_start(folderview, node, item);
2347
2348         if (acceptable) {
2349                 g_signal_handlers_block_by_func
2350                         (G_OBJECT(widget),
2351                          G_CALLBACK(folderview_selected), folderview);
2352                 gtk_ctree_select(GTK_CTREE(widget), node);
2353                 g_signal_handlers_unblock_by_func
2354                         (G_OBJECT(widget),
2355                          G_CALLBACK(folderview_selected), folderview);
2356                 gdk_drag_status(context,
2357                                         (context->actions == GDK_ACTION_COPY ?
2358                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2359         } else {
2360                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2361                 gdk_drag_status(context, 0, time);
2362         }
2363
2364         return acceptable;
2365 }
2366
2367 static void folderview_drag_leave_cb(GtkWidget      *widget,
2368                                      GdkDragContext *context,
2369                                      guint           time,
2370                                      FolderView     *folderview)
2371 {
2372         drag_state_stop(folderview);
2373         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2374 }
2375
2376 static void folderview_drag_received_cb(GtkWidget        *widget,
2377                                         GdkDragContext   *drag_context,
2378                                         gint              x,
2379                                         gint              y,
2380                                         GtkSelectionData *data,
2381                                         guint             info,
2382                                         guint             time,
2383                                         FolderView       *folderview)
2384 {
2385         gint row, column;
2386         FolderItem *item, *src_item;
2387         GtkCTreeNode *node;
2388
2389         drag_state_stop(folderview);
2390         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2391                 /* comes from summaryview */
2392                 if (gtk_clist_get_selection_info
2393                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2394                         return;
2395
2396                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2397                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2398                 src_item = folderview->summaryview->folder_item;
2399
2400                 /* re-check (due to acceptable possibly set for folder moves */
2401                 if (!(item && item->folder && item->path && !item->no_select &&
2402                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2403                         return;
2404                 }
2405                 if (item && src_item) {
2406                         switch (drag_context->action) {
2407                         case GDK_ACTION_COPY:
2408                                 summary_copy_selected_to(folderview->summaryview, item);
2409                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2410                                 break;
2411                         case GDK_ACTION_MOVE:
2412                         case GDK_ACTION_DEFAULT:
2413                         default:
2414                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2415                                         summary_copy_selected_to(folderview->summaryview, item);
2416                                 else
2417                                         summary_move_selected_to(folderview->summaryview, item);
2418                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2419                         }
2420                 } else
2421                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2422         } else {
2423                 /* comes from folderview */
2424                 char *source;
2425                 gboolean folder_is_normal = TRUE;
2426
2427                 source = data->data + 17;
2428                 if (gtk_clist_get_selection_info
2429                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2430                     || *source == 0) {
2431                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2432                         return;
2433                 }
2434                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2435                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2436                 src_item = folder_find_item_from_identifier(source);
2437
2438                 folder_is_normal =
2439                         src_item != NULL &&
2440                         src_item->stype == F_NORMAL &&
2441                         !folder_has_parent_of_type(src_item, F_OUTBOX) &&
2442                         !folder_has_parent_of_type(src_item, F_DRAFT) &&
2443                         !folder_has_parent_of_type(src_item, F_QUEUE) &&
2444                         !folder_has_parent_of_type(src_item, F_TRASH);
2445                 if (!item || item->no_select || !src_item
2446                 ||  !folder_is_normal) {
2447                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2448                         return;
2449                 }
2450
2451                 folderview_move_folder(folderview, src_item, item);
2452                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2453         }
2454         folderview->nodes_to_recollapse = NULL;
2455 }
2456
2457 static void folderview_drag_end_cb(GtkWidget        *widget,
2458                                    GdkDragContext   *drag_context,
2459                                    FolderView       *folderview)
2460 {
2461         drag_state_stop(folderview);
2462         g_slist_free(folderview->nodes_to_recollapse);
2463         folderview->nodes_to_recollapse = NULL;
2464 }
2465
2466 void folderview_register_popup(FolderViewPopup *fpopup)
2467 {
2468         GList *folderviews;
2469
2470         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2471                 FolderView *folderview = folderviews->data;
2472                 GtkItemFactory *factory;
2473
2474                 factory = create_ifactory(folderview, fpopup);
2475                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2476         }
2477         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2478 }
2479
2480 void folderview_unregister_popup(FolderViewPopup *fpopup)
2481 {
2482         GList *folderviews;
2483
2484         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2485                 FolderView *folderview = folderviews->data;
2486
2487                 g_hash_table_remove(folderview->popups, fpopup->klass);
2488         }
2489         g_hash_table_remove(folderview_popups, fpopup->klass);
2490 }