src/folderview.c

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