src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtk.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #include "main.h"
  31 #include "mainwindow.h"
  32 #include "folderview.h"
  33 #include "summaryview.h"
  34 #include "summary_search.h"
  35 #include "inputdialog.h"
  36 #include "manage_window.h"
  37 #include "alertpanel.h"
  38 #include "menu.h"
  39 #include "stock_pixmap.h"
  40 #include "procmsg.h"
  41 #include "utils.h"
  42 #include "gtkutils.h"
  43 #include "prefs_common.h"
  44 #include "prefs_account.h"
  45 #include "prefs_filtering.h"
  46 #include "prefs_folder_item.h"
  47 #include "account.h"
  48 #include "folder.h"
  49 #include "foldersel.h"
  50 #include "inc.h"
  51 #include "statusbar.h"
  52 #include "hooks.h"
  53 #include "folderutils.h"
  54 #include "partial_download.h"
  55 #include "prefs_folder_column.h"
  56 #include "filtering.h"
  57 #include "quicksearch.h"
  58 #include "manual.h"
  59 #include "timing.h"
  60 #include "log.h"
  61
  62 #define COL_FOLDER_WIDTH        150
  63 #define COL_NUM_WIDTH           32
  64
  65 static GList *folderview_list = NULL;
  66
  67 static GtkStyle *normal_style;
  68 static GtkStyle *normal_color_style;
  69 static GtkStyle *bold_style;
  70 static GtkStyle *bold_color_style;
  71 static GtkStyle *bold_tgtfold_style;
  72
  73 static GdkPixmap *inboxxpm;
  74 static GdkBitmap *inboxxpmmask;
  75 static GdkPixmap *inboxhrmxpm;
  76 static GdkBitmap *inboxhrmxpmmask;
  77 static GdkPixmap *inboxopenxpm;
  78 static GdkBitmap *inboxopenxpmmask;
  79 static GdkPixmap *inboxopenhrmxpm;
  80 static GdkBitmap *inboxopenhrmxpmmask;
  81 static GdkPixmap *outboxxpm;
  82 static GdkBitmap *outboxxpmmask;
  83 static GdkPixmap *outboxhrmxpm;
  84 static GdkBitmap *outboxhrmxpmmask;
  85 static GdkPixmap *outboxopenxpm;
  86 static GdkBitmap *outboxopenxpmmask;
  87 static GdkPixmap *outboxopenhrmxpm;
  88 static GdkBitmap *outboxopenhrmxpmmask;
  89 static GdkPixmap *folderxpm;
  90 static GdkBitmap *folderxpmmask;
  91 static GdkPixmap *folderhrmxpm;
  92 static GdkBitmap *folderhrmxpmmask;
  93 static GdkPixmap *folderopenxpm;
  94 static GdkBitmap *folderopenxpmmask;
  95 static GdkPixmap *folderopenhrmxpm;
  96 static GdkBitmap *folderopenhrmxpmmask;
  97 static GdkPixmap *trashopenxpm;
  98 static GdkBitmap *trashopenxpmmask;
  99 static GdkPixmap *trashopenhrmxpm;
 100 static GdkBitmap *trashopenhrmxpmmask;
 101 static GdkPixmap *trashxpm;
 102 static GdkBitmap *trashxpmmask;
 103 static GdkPixmap *trashhrmxpm;
 104 static GdkBitmap *trashhrmxpmmask;
 105 static GdkPixmap *queuexpm;
 106 static GdkBitmap *queuexpmmask;
 107 static GdkPixmap *queuehrmxpm;
 108 static GdkBitmap *queuehrmxpmmask;
 109 static GdkPixmap *queueopenxpm;
 110 static GdkBitmap *queueopenxpmmask;
 111 static GdkPixmap *queueopenhrmxpm;
 112 static GdkBitmap *queueopenhrmxpmmask;
 113 static GdkPixmap *draftsxpm;
 114 static GdkBitmap *draftsxpmmask;
 115 static GdkPixmap *draftsopenxpm;
 116 static GdkBitmap *draftsopenxpmmask;
 117 static GdkPixmap *noselectxpm;
 118 static GdkBitmap *noselectxpmmask;
 119
 120 static GdkPixmap *m_inboxxpm;
 121 static GdkBitmap *m_inboxxpmmask;
 122 static GdkPixmap *m_inboxhrmxpm;
 123 static GdkBitmap *m_inboxhrmxpmmask;
 124 static GdkPixmap *m_inboxopenxpm;
 125 static GdkBitmap *m_inboxopenxpmmask;
 126 static GdkPixmap *m_inboxopenhrmxpm;
 127 static GdkBitmap *m_inboxopenhrmxpmmask;
 128 static GdkPixmap *m_outboxxpm;
 129 static GdkBitmap *m_outboxxpmmask;
 130 static GdkPixmap *m_outboxhrmxpm;
 131 static GdkBitmap *m_outboxhrmxpmmask;
 132 static GdkPixmap *m_outboxopenxpm;
 133 static GdkBitmap *m_outboxopenxpmmask;
 134 static GdkPixmap *m_outboxopenhrmxpm;
 135 static GdkBitmap *m_outboxopenhrmxpmmask;
 136 static GdkPixmap *m_folderxpm;
 137 static GdkBitmap *m_folderxpmmask;
 138 static GdkPixmap *m_folderhrmxpm;
 139 static GdkBitmap *m_folderhrmxpmmask;
 140 static GdkPixmap *m_folderopenxpm;
 141 static GdkBitmap *m_folderopenxpmmask;
 142 static GdkPixmap *m_folderopenhrmxpm;
 143 static GdkBitmap *m_folderopenhrmxpmmask;
 144 static GdkPixmap *m_trashopenxpm;
 145 static GdkBitmap *m_trashopenxpmmask;
 146 static GdkPixmap *m_trashopenhrmxpm;
 147 static GdkBitmap *m_trashopenhrmxpmmask;
 148 static GdkPixmap *m_trashxpm;
 149 static GdkBitmap *m_trashxpmmask;
 150 static GdkPixmap *m_trashhrmxpm;
 151 static GdkBitmap *m_trashhrmxpmmask;
 152 static GdkPixmap *m_queuexpm;
 153 static GdkBitmap *m_queuexpmmask;
 154 static GdkPixmap *m_queuehrmxpm;
 155 static GdkBitmap *m_queuehrmxpmmask;
 156 static GdkPixmap *m_queueopenxpm;
 157 static GdkBitmap *m_queueopenxpmmask;
 158 static GdkPixmap *m_queueopenhrmxpm;
 159 static GdkBitmap *m_queueopenhrmxpmmask;
 160 static GdkPixmap *m_draftsxpm;
 161 static GdkBitmap *m_draftsxpmmask;
 162 static GdkPixmap *m_draftsopenxpm;
 163 static GdkBitmap *m_draftsopenxpmmask;
 164
 165 static GdkPixmap *newxpm;
 166 static GdkBitmap *newxpmmask;
 167 static GdkPixmap *unreadxpm;
 168 static GdkBitmap *unreadxpmmask;
 169 static GdkPixmap *readxpm;
 170 static GdkBitmap *readxpmmask;
 171
 172 static void folderview_select_node       (FolderView    *folderview,
 173                                           GtkCMCTreeNode        *node);
 174 static void folderview_set_folders       (FolderView    *folderview);
 175 static void folderview_sort_folders      (FolderView    *folderview,
 176                                           GtkCMCTreeNode        *root,
 177                                           Folder        *folder);
 178 static void folderview_append_folder     (FolderView    *folderview,
 179                                           Folder        *folder);
 180 static void folderview_update_node       (FolderView    *folderview,
 181                                           GtkCMCTreeNode        *node);
 182
 183 static gint folderview_clist_compare    (GtkCMCList     *clist,
 184                                          gconstpointer   ptr1,
 185                                          gconstpointer   ptr2);
 186
 187 /* callback functions */
 188 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 189                                                  GdkEventButton *event,
 190                                                  FolderView     *folderview);
 191 static gboolean folderview_button_released      (GtkWidget      *ctree,
 192                                                  GdkEventButton *event,
 193                                                  FolderView     *folderview);
 194 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 195                                          GdkEventKey    *event,
 196                                          FolderView     *folderview);
 197 static void folderview_selected         (GtkCMCTree     *ctree,
 198                                          GtkCMCTreeNode *row,
 199                                          gint            column,
 200                                          FolderView     *folderview);
 201 static void folderview_tree_expanded    (GtkCMCTree     *ctree,
 202                                          GtkCMCTreeNode *node,
 203                                          FolderView     *folderview);
 204 static void folderview_tree_collapsed   (GtkCMCTree     *ctree,
 205                                          GtkCMCTreeNode *node,
 206                                          FolderView     *folderview);
 207 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 208                                          FolderView     *folderview);
 209 static void folderview_col_resized      (GtkCMCList     *clist,
 210                                          gint            column,
 211                                          gint            width,
 212                                          FolderView     *folderview);
 213
 214 static void mark_all_read_cb            (GtkAction      *action,
 215                                          gpointer        data);
 216
 217 static void folderview_empty_trash_cb   (GtkAction      *action,
 218                                          gpointer        data);
 219
 220 static void folderview_send_queue_cb    (GtkAction      *action,
 221                                          gpointer        data);
 222
 223 static void folderview_search_cb        (GtkAction      *action,
 224                                          gpointer        data);
 225 static void folderview_run_processing_cb(GtkAction      *action,
 226                                          gpointer        data);
 227
 228 static void folderview_property_cb      (GtkAction      *action,
 229                                          gpointer        data);
 230
 231 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 232                                           GdkDragContext *context,
 233                                           gint            x,
 234                                           gint            y,
 235                                           guint           time,
 236                                           FolderView     *folderview);
 237 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 238                                           GdkDragContext   *context,
 239                                           guint             time,
 240                                           FolderView       *folderview);
 241 static void folderview_drag_received_cb  (GtkWidget        *widget,
 242                                           GdkDragContext   *drag_context,
 243                                           gint              x,
 244                                           gint              y,
 245                                           GtkSelectionData *data,
 246                                           guint             info,
 247                                           guint             time,
 248                                           FolderView       *folderview);
 249 #ifndef GENERIC_UMPC
 250 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 251                                           FolderView       *folderview);
 252 #endif
 253 static void folderview_drag_data_get     (GtkWidget        *widget,
 254                                           GdkDragContext   *drag_context,
 255                                           GtkSelectionData *selection_data,
 256                                           guint             info,
 257                                           guint             time,
 258                                           FolderView       *folderview);
 259 static void folderview_drag_end_cb       (GtkWidget        *widget,
 260                                           GdkDragContext   *drag_context,
 261                                           FolderView       *folderview);
 262
 263 static void folderview_create_folder_node       (FolderView       *folderview,
 264                                           FolderItem       *item);
 265 static gboolean folderview_update_folder         (gpointer          source,
 266                                           gpointer          userdata);
 267 static gboolean folderview_update_item_claws     (gpointer          source,
 268                                           gpointer          data);
 269 static void folderview_processing_cb(GtkAction *action, gpointer data);
 270 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 271                                 GdkEventButton *event);
 272
 273 GHashTable *folderview_popups;
 274
 275 static GtkActionEntry folderview_common_popup_entries[] =
 276 {
 277         {"FolderViewPopup",                     NULL, "FolderViewPopup" },
 278         {"FolderViewPopup/MarkAllRead",         NULL, N_("Mark all re_ad"), NULL, NULL, G_CALLBACK(mark_all_read_cb) },
 279         {"FolderViewPopup/---",                 NULL, "---" },
 280         {"FolderViewPopup/RunProcessing",       NULL, N_("R_un processing rules"), NULL, NULL, G_CALLBACK(folderview_run_processing_cb) },
 281         {"FolderViewPopup/SearchFolder",        NULL, N_("_Search folder..."), NULL, NULL, G_CALLBACK(folderview_search_cb) },
 282         {"FolderViewPopup/Properties",          NULL, N_("_Properties..."), NULL, NULL, G_CALLBACK(folderview_property_cb) },
 283         {"FolderViewPopup/Processing",          NULL, N_("Process_ing..."), NULL, NULL, G_CALLBACK(folderview_processing_cb) },
 284         {"FolderViewPopup/EmptyTrash",          NULL, N_("Empty _trash..."), NULL, NULL, G_CALLBACK(folderview_empty_trash_cb) },
 285         {"FolderViewPopup/SendQueue",           NULL, N_("Send _queue..."), NULL, NULL, G_CALLBACK(folderview_send_queue_cb) },
 286
 287 };
 288
 289 GtkTargetEntry folderview_drag_types[] =
 290 {
 291         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 292         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 293 };
 294
 295 void folderview_initialize(void)
 296 {
 297         FolderViewPopup *fpopup;
 298
 299         fpopup = g_new0(FolderViewPopup, 1);
 300
 301         fpopup->klass = "common";
 302         fpopup->path = "<CommonFolder>";
 303         fpopup->entries = folderview_common_popup_entries;
 304         fpopup->n_entries = G_N_ELEMENTS(folderview_common_popup_entries);
 305         fpopup->set_sensitivity = NULL;
 306
 307         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 308         g_hash_table_insert(folderview_popups, "common", fpopup);
 309 }
 310
 311 static GtkActionGroup *create_action_group(FolderView *folderview, FolderViewPopup *fpopup)
 312 {
 313         FolderViewPopup *fpopup_common;
 314         GtkActionGroup *action_group;
 315
 316         action_group = cm_menu_create_action_group(
 317                                 fpopup->path,
 318                                 fpopup->entries, fpopup->n_entries,
 319                                 (gpointer)folderview);
 320
 321         if (fpopup->toggle_entries)
 322                 gtk_action_group_add_toggle_actions(action_group, fpopup->toggle_entries,
 323                                 fpopup->n_toggle_entries,
 324                                 (gpointer)folderview);
 325         if (fpopup->radio_entries)
 326                 gtk_action_group_add_radio_actions(action_group, fpopup->radio_entries,
 327                                 fpopup->n_radio_entries, fpopup->radio_default,
 328                                 G_CALLBACK(fpopup->radio_callback),
 329                                 (gpointer)folderview);
 330
 331         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 332         if (fpopup_common != fpopup) {
 333                 gtk_action_group_add_actions(action_group, fpopup_common->entries,
 334                                 fpopup_common->n_entries,
 335                                 (gpointer)folderview);
 336                 if (fpopup_common->toggle_entries)
 337                         gtk_action_group_add_toggle_actions(action_group, fpopup_common->toggle_entries,
 338                                         fpopup_common->n_toggle_entries,
 339                                         (gpointer)folderview);
 340                 if (fpopup_common->radio_entries)
 341                         gtk_action_group_add_radio_actions(action_group, fpopup_common->radio_entries,
 342                                         fpopup_common->n_radio_entries, fpopup_common->radio_default,
 343                                         G_CALLBACK(fpopup_common->radio_callback),
 344                                         (gpointer)folderview);
 345         }
 346
 347         return action_group;
 348 }
 349
 350 static void create_action_groups(gpointer key, gpointer value, gpointer data)
 351 {
 352         FolderView *folderview = data;
 353         FolderViewPopup *fpopup = value;
 354         GtkActionGroup *group;
 355
 356         group = create_action_group(folderview, fpopup);
 357         g_hash_table_insert(folderview->popups, fpopup->klass, group);
 358 }
 359
 360 static void folderview_column_set_titles(FolderView *folderview)
 361 {
 362         GtkWidget *ctree = folderview->ctree;
 363         GtkWidget *label_folder;
 364         GtkWidget *label_new;
 365         GtkWidget *label_unread;
 366         GtkWidget *label_total;
 367         GtkWidget *hbox_folder;
 368         GtkWidget *hbox_new;
 369         GtkWidget *hbox_unread;
 370         GtkWidget *hbox_total;
 371         gint *col_pos = folderview->col_pos;
 372
 373         debug_print("setting titles...\n");
 374         gtk_widget_realize(folderview->ctree);
 375         gtk_widget_show_all(folderview->scrolledwin);
 376
 377         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 378          * instead text (text overflows making them unreadable and ugly) */
 379         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 380                          &newxpm, &newxpmmask);
 381         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 382                          &unreadxpm, &unreadxpmmask);
 383         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 384                          &readxpm, &readxpmmask);
 385
 386         label_folder = gtk_label_new(_("Folder"));
 387         label_new = gtk_image_new_from_pixmap(newxpm, newxpmmask);
 388         label_unread = gtk_image_new_from_pixmap(unreadxpm, unreadxpmmask);
 389         label_total = gtk_image_new_from_pixmap(readxpm, readxpmmask);
 390
 391         gtk_cmclist_column_titles_active(GTK_CMCLIST(ctree));
 392
 393         hbox_folder = gtk_hbox_new(FALSE, 4);
 394         hbox_new = gtk_hbox_new(FALSE, 4);
 395         hbox_unread = gtk_hbox_new(FALSE, 4);
 396         hbox_total = gtk_hbox_new(FALSE, 4);
 397
 398         /* left justified */
 399         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 400         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 401         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 402         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 403         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 404         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 405         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 406         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 407
 408         gtk_widget_show_all(hbox_folder);
 409         gtk_widget_show_all(hbox_new);
 410         gtk_widget_show_all(hbox_unread);
 411         gtk_widget_show_all(hbox_total);
 412
 413 #ifdef GENERIC_UMPC
 414         gtk_widget_set_size_request(hbox_new, -1, 20);
 415         gtk_widget_set_size_request(hbox_unread, -1, 20);
 416         gtk_widget_set_size_request(hbox_total, -1, 20);
 417 #endif
 418
 419         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 420         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 421         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 422         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 423
 424 #ifdef GENERIC_UMPC
 425         GTK_EVENTS_FLUSH();
 426 #endif
 427
 428         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 429         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 430         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 431 }
 432
 433 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 434 {
 435         FolderView *folderview = (FolderView *)data;
 436         GdkEventButton event;
 437         if (folderview_get_selected_item(folderview) == NULL)
 438                 return FALSE;
 439
 440         event.button = 3;
 441         event.time = gtk_get_current_event_time();
 442
 443         folderview_set_sens_and_popup_menu(folderview, -1,
 444                                 &event);
 445
 446         return TRUE;
 447 }
 448
 449
 450 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 451 {
 452         GtkWidget *ctree;
 453         gint *col_pos;
 454         FolderColumnState *col_state;
 455         FolderColumnType type;
 456         gchar *titles[N_FOLDER_COLS];
 457         gint i;
 458         GtkWidget *scrolledwin = folderview->scrolledwin;
 459
 460         debug_print("creating tree...\n");
 461         memset(titles, 0, sizeof(titles));
 462
 463         col_state = prefs_folder_column_get_config();
 464         memset(titles, 0, sizeof(titles));
 465
 466         col_pos = folderview->col_pos;
 467
 468         for (i = 0; i < N_FOLDER_COLS; i++) {
 469                 folderview->col_state[i] = col_state[i];
 470                 type = col_state[i].type;
 471                 col_pos[type] = i;
 472         }
 473
 474         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 475         titles[col_pos[F_COL_NEW]]    = _("New");
 476         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 477         /* TRANSLATORS: This in Number sign in American style */
 478         titles[col_pos[F_COL_TOTAL]]  = _("#");
 479
 480         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 481                                            titles);
 482
 483         if (prefs_common.show_col_headers == FALSE)
 484                 gtk_cmclist_column_titles_hide(GTK_CMCLIST(ctree));
 485
 486
 487         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_BROWSE);
 488         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree), col_pos[F_COL_NEW],
 489                                            GTK_JUSTIFY_RIGHT);
 490         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 491                                            col_pos[F_COL_UNREAD],
 492                                            GTK_JUSTIFY_RIGHT);
 493         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 494                                            col_pos[F_COL_TOTAL],
 495                                            GTK_JUSTIFY_RIGHT);
 496         if (prefs_common.enable_dotted_lines) {
 497                 gtk_cmctree_set_line_style(GTK_CMCTREE(ctree), GTK_CMCTREE_LINES_DOTTED);
 498                 gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
 499                                      GTK_CMCTREE_EXPANDER_SQUARE);
 500         } else {
 501                 gtk_cmctree_set_line_style(GTK_CMCTREE(ctree), GTK_CMCTREE_LINES_NONE);
 502                 gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
 503                                      GTK_CMCTREE_EXPANDER_TRIANGLE);
 504         }
 505
 506         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 507         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 508
 509         gtk_cmctree_set_indent(GTK_CMCTREE(ctree), CTREE_INDENT);
 510         gtk_cmclist_set_compare_func(GTK_CMCLIST(ctree), folderview_clist_compare);
 511
 512         /* don't let title buttons take key focus */
 513         for (i = 0; i < N_FOLDER_COLS; i++) {
 514                 GTK_WIDGET_UNSET_FLAGS(GTK_CMCLIST(ctree)->column[i].button,
 515                                        GTK_CAN_FOCUS);
 516                 gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), col_pos[i],
 517                                    prefs_common.folder_col_size[i]);
 518                 gtk_cmclist_set_column_visibility
 519                         (GTK_CMCLIST(ctree), i, col_state[i].visible);
 520         }
 521
 522         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 523                          G_CALLBACK(folderview_key_pressed),
 524                          folderview);
 525         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 526                          G_CALLBACK(folderview_button_pressed),
 527                          folderview);
 528 #ifndef MAEMO
 529         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 530                          G_CALLBACK(folderview_popup_menu), folderview);
 531 #else
 532         gtk_widget_tap_and_hold_setup(GTK_WIDGET(ctree), NULL, NULL,
 533                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
 534         g_signal_connect(G_OBJECT(ctree), "tap-and-hold",
 535                          G_CALLBACK(folderview_popup_menu), folderview);
 536 #endif
 537         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 538                          G_CALLBACK(folderview_button_released),
 539                          folderview);
 540         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 541                          G_CALLBACK(folderview_selected), folderview);
 542 #ifndef GENERIC_UMPC
 543         /* drag-n-dropping folders on maemo is impractical as this
 544          * opens the folder almost everytime */
 545         g_signal_connect(G_OBJECT(ctree), "start_drag",
 546                          G_CALLBACK(folderview_start_drag), folderview);
 547 #endif
 548         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 549                          G_CALLBACK(folderview_drag_data_get),
 550                          folderview);
 551
 552         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 553                                G_CALLBACK(folderview_tree_expanded),
 554                                folderview);
 555         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 556                                G_CALLBACK(folderview_tree_collapsed),
 557                                folderview);
 558
 559         g_signal_connect(G_OBJECT(ctree), "resize_column",
 560                          G_CALLBACK(folderview_col_resized),
 561                          folderview);
 562
 563         /* drop callback */
 564         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 565                           folderview_drag_types, 2,
 566                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 567         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 568                          G_CALLBACK(folderview_drag_motion_cb),
 569                          folderview);
 570         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 571                          G_CALLBACK(folderview_drag_leave_cb),
 572                          folderview);
 573         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 574                          G_CALLBACK(folderview_drag_received_cb),
 575                          folderview);
 576         g_signal_connect(G_OBJECT(ctree), "drag_end",
 577                          G_CALLBACK(folderview_drag_end_cb),
 578                          folderview);
 579
 580         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 581
 582         return ctree;
 583 }
 584
 585 void folderview_set_column_order(FolderView *folderview)
 586 {
 587         GtkWidget *ctree = folderview->ctree;
 588         FolderItem *item = folderview_get_selected_item(folderview);
 589         FolderItem *sel_item = NULL, *op_item = NULL;
 590         GtkWidget *scrolledwin = folderview->scrolledwin;
 591
 592         if (folderview->selected)
 593                 sel_item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(ctree), folderview->selected);
 594         if (folderview->opened)
 595                 op_item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(ctree), folderview->opened);
 596
 597         debug_print("recreating tree...\n");
 598         gtk_widget_destroy(folderview->ctree);
 599
 600
 601         folderview->ctree = ctree = folderview_ctree_create(folderview);
 602         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 603                                             GTK_CMCLIST(ctree)->hadjustment);
 604         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 605                                             GTK_CMCLIST(ctree)->vadjustment);
 606         gtk_widget_show(ctree);
 607
 608         if (sel_item)
 609                 folderview->selected = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, sel_item);
 610         if (op_item)
 611                 folderview->opened = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, op_item);
 612
 613         folderview_set(folderview);
 614         folderview_column_set_titles(folderview);
 615
 616         folderview_select(folderview,item);
 617 }
 618
 619 FolderView *folderview_create(void)
 620 {
 621         FolderView *folderview;
 622         GtkWidget *scrolledwin;
 623         GtkWidget *ctree;
 624
 625         debug_print("Creating folder view...\n");
 626         folderview = g_new0(FolderView, 1);
 627
 628         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 629         gtk_scrolled_window_set_policy
 630                 (GTK_SCROLLED_WINDOW(scrolledwin),
 631                  GTK_POLICY_AUTOMATIC,
 632                  prefs_common.folderview_vscrollbar_policy);
 633         gtk_widget_set_size_request(scrolledwin,
 634                              prefs_common.folderview_width,
 635                              prefs_common.folderview_height);
 636
 637         folderview->scrolledwin  = scrolledwin;
 638         ctree = folderview_ctree_create(folderview);
 639
 640         /* create popup factories */
 641         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 642         g_hash_table_foreach(folderview_popups, create_action_groups, folderview);
 643
 644         folderview->ctree        = ctree;
 645
 646         folderview->folder_update_callback_id =
 647                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 648         folderview->folder_item_update_callback_id =
 649                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 650
 651         gtk_widget_show_all(scrolledwin);
 652
 653         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 654         folderview_list = g_list_append(folderview_list, folderview);
 655         folderview->deferred_refresh_id = -1;
 656
 657         return folderview;
 658 }
 659
 660 void folderview_init(FolderView *folderview)
 661 {
 662         GtkWidget *ctree = folderview->ctree;
 663         GdkColor gdk_color;
 664
 665         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 666         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 667         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 668         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 669         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 670         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 671         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 672         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 673         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 674         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 675         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 676         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 677         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 678         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 679         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 680         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 681         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 682         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 683         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 684         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 685         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 686         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 687         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 688
 689         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 690         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 691         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 692         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 693         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 694         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 695         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 696         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 697         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 698         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 699         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 700         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 701         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 702         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 703         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 704         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 705         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 706         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 707         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 708         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 709         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 710         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 711
 712         if (!normal_style) {
 713                 PangoFontDescription *font_desc;
 714                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 715                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 716                 if (font_desc) {
 717                         if (normal_style->font_desc)
 718                                 pango_font_description_free
 719                                         (normal_style->font_desc);
 720                         normal_style->font_desc = font_desc;
 721                 }
 722                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 723                 normal_color_style = gtk_style_copy(normal_style);
 724                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 725
 726                 gtk_widget_set_style(ctree, normal_style);
 727         }
 728
 729         if (!bold_style) {
 730                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 731                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 732                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 733                         pango_font_description_set_weight
 734                                 (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 735                 } else {
 736                         PangoFontDescription *font_desc;
 737                         font_desc = pango_font_description_from_string(BOLD_FONT);
 738                         if (font_desc) {
 739                                 if (bold_style->font_desc)
 740                                         pango_font_description_free
 741                                                 (bold_style->font_desc);
 742                                 bold_style->font_desc = font_desc;
 743                         }
 744                 }
 745                 bold_color_style = gtk_style_copy(bold_style);
 746                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 747
 748                 bold_tgtfold_style = gtk_style_copy(bold_style);
 749                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 750         }
 751 }
 752
 753 static gboolean folderview_defer_set(gpointer data)
 754 {
 755         FolderView *folderview = (FolderView *)data;
 756         MainWindow *mainwin = folderview->mainwin;
 757
 758         if (!mainwin)
 759                 return FALSE;
 760         if (mainwin->lock_count)
 761                 return TRUE;
 762
 763         debug_print("doing deferred folderview_set now\n");
 764         folderview_set(folderview);
 765
 766         folderview->deferred_refresh_id = -1;
 767         return FALSE;
 768 }
 769
 770 void folderview_set(FolderView *folderview)
 771 {
 772         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 773         MainWindow *mainwin = folderview->mainwin;
 774         FolderItem *sel_item = NULL, *op_item = NULL;
 775
 776         if (!mainwin)
 777                 return;
 778
 779         if (mainwin->lock_count) {
 780                 if (folderview->deferred_refresh_id == -1)
 781                         folderview->deferred_refresh_id =
 782                                 g_timeout_add(500, folderview_defer_set, folderview);
 783                 debug_print("deferred folderview_set\n");
 784                 return;
 785         }
 786
 787         inc_lock();
 788         debug_print("Setting folder info...\n");
 789         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 790
 791         main_window_cursor_wait(mainwin);
 792
 793         if (folderview->selected)
 794                 sel_item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
 795         if (folderview->opened)
 796                 op_item = gtk_cmctree_node_get_row_data(ctree, folderview->opened);
 797
 798         folderview->selected = NULL;
 799         folderview->opened = NULL;
 800
 801         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 802         gtk_cmclist_clear(GTK_CMCLIST(ctree));
 803
 804         folderview_set_folders(folderview);
 805
 806         if (sel_item)
 807                 folderview->selected = gtk_cmctree_find_by_row_data(ctree, NULL, sel_item);
 808         if (op_item)
 809                 folderview->opened = gtk_cmctree_find_by_row_data(ctree, NULL, op_item);
 810
 811         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 812         main_window_cursor_normal(mainwin);
 813         STATUSBAR_POP(mainwin);
 814         inc_unlock();
 815 }
 816
 817 void folderview_set_all(void)
 818 {
 819         GList *list;
 820
 821         for (list = folderview_list; list != NULL; list = list->next)
 822                 folderview_set((FolderView *)list->data);
 823 }
 824
 825 void folderview_select(FolderView *folderview, FolderItem *item)
 826 {
 827         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 828         GtkCMCTreeNode *node;
 829         GtkCMCTreeNode *old_selected = folderview->selected;
 830
 831         if (!item) return;
 832
 833         node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
 834         if (node) folderview_select_node(folderview, node);
 835
 836         if (old_selected != node)
 837                 folder_update_op_count();
 838 }
 839
 840 static void mark_all_read_cb(GtkAction *action, gpointer data)
 841 {
 842         FolderView *folderview = (FolderView *)data;
 843         FolderItem *item;
 844         AlertValue val;
 845
 846         item = folderview_get_selected_item(folderview);
 847         if (item == NULL)
 848                 return;
 849
 850         if (folderview->summaryview->folder_item != item
 851         &&  prefs_common.ask_mark_all_read) {
 852                 val = alertpanel_full(_("Mark all as read"),
 853                         _("Do you really want to mark all mails in this "
 854                           "folder as read ?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 855                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 856
 857                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 858                         return;
 859                 else if (val & G_ALERTDISABLE)
 860                         prefs_common.ask_mark_all_read = FALSE;
 861         }
 862
 863
 864         folder_item_update_freeze();
 865         if (folderview->summaryview->folder_item != item)
 866                 summary_lock(folderview->summaryview);
 867         else
 868                 summary_freeze(folderview->summaryview);
 869
 870         folderutils_mark_all_read(item);
 871
 872         if (folderview->summaryview->folder_item != item)
 873                 summary_unlock(folderview->summaryview);
 874         else
 875                 summary_thaw(folderview->summaryview);
 876         folder_item_update_thaw();
 877 }
 878
 879 static void folderview_select_node(FolderView *folderview, GtkCMCTreeNode *node)
 880 {
 881         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 882
 883         g_return_if_fail(node != NULL);
 884
 885         if (folderview->open_folder) {
 886                 return;
 887         }
 888
 889         folderview->open_folder = TRUE;
 890         gtkut_ctree_set_focus_row(ctree, node);
 891         gtk_cmctree_select(ctree, node);
 892         if (folderview->summaryview->folder_item &&
 893             folderview->summaryview->folder_item->total_msgs > 0)
 894                 summary_grab_focus(folderview->summaryview);
 895         else
 896                 gtk_widget_grab_focus(folderview->ctree);
 897
 898         gtkut_ctree_expand_parent_all(ctree, node);
 899 }
 900
 901 void folderview_unselect(FolderView *folderview)
 902 {
 903         if (folderview->opened && !GTK_CMCTREE_ROW(folderview->opened)->children)
 904                 gtk_cmctree_collapse
 905                         (GTK_CMCTREE(folderview->ctree), folderview->opened);
 906
 907         folderview->selected = folderview->opened = NULL;
 908 }
 909
 910 static GtkCMCTreeNode *folderview_find_next_marked(GtkCMCTree *ctree,
 911                                                  GtkCMCTreeNode *node)
 912 {
 913         FolderItem *item;
 914
 915         if (node)
 916                 node = gtkut_ctree_node_next(ctree, node);
 917         else
 918                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 919
 920         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 921                 item = gtk_cmctree_node_get_row_data(ctree, node);
 922                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 923                         return node;
 924         }
 925
 926         return NULL;
 927 }
 928
 929 void folderview_select_next_marked(FolderView *folderview)
 930 {
 931         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 932         GtkCMCTreeNode *node = NULL;
 933         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 934         gboolean last_open = prefs_common.always_show_msg;
 935
 936         prefs_common.summary_select_prio[0] = ACTION_MARKED;
 937         prefs_common.always_show_msg = OPENMSG_ALWAYS;
 938
 939         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 940             != NULL) {
 941                 folderview_select_node(folderview, node);
 942                 goto out;
 943         }
 944
 945         if (!folderview->opened ||
 946             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
 947                 goto out;
 948         }
 949         /* search again from the first node */
 950         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 951                 folderview_select_node(folderview, node);
 952
 953 out:
 954         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 955         prefs_common.always_show_msg = last_open;
 956 }
 957
 958 static GtkCMCTreeNode *folderview_find_next_unread(GtkCMCTree *ctree,
 959                                                  GtkCMCTreeNode *node)
 960 {
 961         FolderItem *item;
 962
 963         if (node)
 964                 node = gtkut_ctree_node_next(ctree, node);
 965         else
 966                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 967
 968         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 969                 item = gtk_cmctree_node_get_row_data(ctree, node);
 970                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 971                         return node;
 972         }
 973
 974         return NULL;
 975 }
 976
 977 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 978 {
 979         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 980         GtkCMCTreeNode *node = NULL;
 981         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 982         gboolean last_open = prefs_common.always_show_msg;
 983
 984         prefs_common.summary_select_prio[0] = ACTION_UNREAD;
 985         prefs_common.always_show_msg = force_open ? OPENMSG_ALWAYS : last_open;
 986
 987         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 988             != NULL) {
 989                 folderview_select_node(folderview, node);
 990                 goto out;
 991         }
 992
 993         if (!folderview->opened ||
 994             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
 995                 goto out;
 996         }
 997         /* search again from the first node */
 998         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 999                 folderview_select_node(folderview, node);
1000
1001 out:
1002         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1003         prefs_common.always_show_msg = last_open;
1004 }
1005
1006 static GtkCMCTreeNode *folderview_find_next_new(GtkCMCTree *ctree,
1007                                                  GtkCMCTreeNode *node)
1008 {
1009         FolderItem *item;
1010
1011         if (node)
1012                 node = gtkut_ctree_node_next(ctree, node);
1013         else
1014                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
1015
1016         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1017                 item = gtk_cmctree_node_get_row_data(ctree, node);
1018                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
1019                         return node;
1020         }
1021
1022         return NULL;
1023 }
1024
1025 void folderview_select_next_new(FolderView *folderview)
1026 {
1027         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1028         GtkCMCTreeNode *node = NULL;
1029         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
1030         gboolean last_open = prefs_common.always_show_msg;
1031
1032         prefs_common.summary_select_prio[0] = ACTION_NEW;
1033         prefs_common.always_show_msg = OPENMSG_ALWAYS;
1034
1035         if ((node = folderview_find_next_new(ctree, folderview->opened))
1036             != NULL) {
1037                 folderview_select_node(folderview, node);
1038                 goto out;
1039         }
1040
1041         if (!folderview->opened ||
1042             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
1043                 goto out;
1044         }
1045         /* search again from the first node */
1046         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
1047                 folderview_select_node(folderview, node);
1048
1049 out:
1050         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1051         prefs_common.always_show_msg = last_open;
1052 }
1053
1054 FolderItem *folderview_get_selected_item(FolderView *folderview)
1055 {
1056         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1057
1058         if (!folderview->selected) return NULL;
1059         return gtk_cmctree_node_get_row_data(ctree, folderview->selected);
1060 }
1061
1062 static void folderview_set_folders(FolderView *folderview)
1063 {
1064         GList *list;
1065         list = folder_get_list();
1066
1067         for (; list != NULL; list = list->next) {
1068                 folderview_append_folder(folderview, FOLDER(list->data));
1069         }
1070 }
1071
1072 static gchar *get_scan_str(FolderItem *item)
1073 {
1074         if (item->path)
1075                 return g_strdup_printf(_("Scanning folder %s%c%s ..."),
1076                                       item->folder->name, G_DIR_SEPARATOR,
1077                                       item->path);
1078         else
1079                 return g_strdup_printf(_("Scanning folder %s ..."),
1080                                       item->folder->name);
1081 }
1082 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1083                                       gpointer data)
1084 {
1085         GList *list;
1086         for (list = folderview_list; list != NULL; list = list->next) {
1087                 FolderView *folderview = (FolderView *)list->data;
1088                 MainWindow *mainwin = folderview->mainwin;
1089                 gchar *str = get_scan_str(item);
1090
1091                 STATUSBAR_PUSH(mainwin, str);
1092                 STATUSBAR_POP(mainwin);
1093                 g_free(str);
1094         }
1095 }
1096
1097 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1098 {
1099         GtkWidget *window;
1100         MainWindow *mainwin = mainwindow_get_mainwindow();
1101         FolderView *folderview = NULL;
1102         GtkAdjustment *pos = NULL;
1103         gint height = 0;
1104
1105         g_return_if_fail(folder != NULL);
1106
1107         if (!folder->klass->scan_tree) return;
1108
1109         if (rebuild &&
1110             alertpanel_full(_("Rebuild folder tree"),
1111                          _("Rebuilding the folder tree will remove "
1112                            "local caches. Do you want to continue?"),
1113                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1114                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1115                 != G_ALERTALTERNATE) {
1116                 return;
1117         }
1118
1119         inc_lock();
1120         if (rebuild)
1121                 window = label_window_create(_("Rebuilding folder tree..."));
1122         else
1123                 window = label_window_create(_("Scanning folder tree..."));
1124
1125         if (mainwin)
1126                 folderview = mainwin->folderview;
1127
1128         if (folderview) {
1129                 pos = gtk_scrolled_window_get_vadjustment(
1130                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1131                 height = pos->value;
1132         }
1133
1134         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1135         folder_scan_tree(folder, rebuild);
1136         folder_set_ui_func(folder, NULL, NULL);
1137
1138         folderview_set_all();
1139
1140         if (folderview) {
1141                 pos = gtk_scrolled_window_get_vadjustment(
1142                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1143                 gtk_adjustment_set_value(pos, height);
1144                 gtk_adjustment_changed(pos);
1145         }
1146         label_window_destroy(window);
1147         inc_unlock();
1148 }
1149
1150 void folderview_fast_rescan_tree(Folder *folder)
1151 {
1152         GtkWidget *window;
1153         MainWindow *mainwin = mainwindow_get_mainwindow();
1154         FolderView *folderview = NULL;
1155         GtkAdjustment *pos = NULL;
1156         gint height = 0;
1157
1158         g_return_if_fail(folder != NULL);
1159
1160         if (!folder->klass->scan_tree) return;
1161
1162         inc_lock();
1163
1164         window = label_window_create(_("Scanning folder tree..."));
1165
1166         if (mainwin)
1167                 folderview = mainwin->folderview;
1168
1169         if (folderview) {
1170                 pos = gtk_scrolled_window_get_vadjustment(
1171                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1172                 height = pos->value;
1173         }
1174
1175         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1176         folder_fast_scan_tree(folder);
1177         folder_set_ui_func(folder, NULL, NULL);
1178
1179         folderview_set_all();
1180
1181         if (folderview) {
1182                 pos = gtk_scrolled_window_get_vadjustment(
1183                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1184                 gtk_adjustment_set_value(pos, height);
1185                 gtk_adjustment_changed(pos);
1186         }
1187         label_window_destroy(window);
1188         inc_unlock();
1189 }
1190
1191 /** folderview_check_new()
1192  *  Scan and update the folder and return the
1193  *  count the number of new messages since last check.
1194  *  \param folder the folder to check for new messages
1195  *  \return the number of new messages since last check
1196  */
1197 gint folderview_check_new(Folder *folder)
1198 {
1199         GList *list;
1200         FolderItem *item;
1201         FolderView *folderview;
1202         GtkCMCTree *ctree;
1203         GtkCMCTreeNode *node;
1204         gint new_msgs = 0;
1205         gint former_new_msgs = 0;
1206         gint former_new = 0, former_unread = 0, former_total;
1207
1208         for (list = folderview_list; list != NULL; list = list->next) {
1209                 folderview = (FolderView *)list->data;
1210                 ctree = GTK_CMCTREE(folderview->ctree);
1211                 folderview->scanning_folder = folder;
1212                 inc_lock();
1213                 main_window_lock(folderview->mainwin);
1214
1215                 for (node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
1216                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1217                         gchar *str = NULL;
1218                         item = gtk_cmctree_node_get_row_data(ctree, node);
1219                         if (!item || !item->path || !item->folder) continue;
1220                         if (item->no_select) continue;
1221                         if (folder && folder != item->folder) continue;
1222                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1223                         if (!item->prefs->newmailcheck) continue;
1224                         if (item->processing_pending == TRUE) {
1225                                 debug_print("skipping %s, processing pending\n",
1226                                         item->path ? item->path : item->name);
1227                                 continue;
1228                         }
1229                         if (item->scanning != ITEM_NOT_SCANNING) {
1230                                 debug_print("skipping %s, scanning\n",
1231                                         item->path ? item->path : item->name);
1232                                 continue;
1233                         }
1234
1235                         str = get_scan_str(item);
1236
1237                         STATUSBAR_PUSH(folderview->mainwin, str);
1238                         GTK_EVENTS_FLUSH();
1239                         g_free(str);
1240
1241                         folderview_scan_tree_func(item->folder, item, NULL);
1242                         former_new    = item->new_msgs;
1243                         former_unread = item->unread_msgs;
1244                         former_total  = item->total_msgs;
1245
1246                         if (item->folder->klass->scan_required &&
1247                             (item->folder->klass->scan_required(item->folder, item) ||
1248                              item->folder->inbox == item ||
1249                              item->opened == TRUE ||
1250                              item->processing_pending == TRUE)) {
1251                                 if (folder_item_scan(item) < 0) {
1252                                         if (folder) {
1253                                                 summaryview_unlock(folderview->summaryview, item);
1254                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1255                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1256                                                                 item->path ? item->path:item->name);
1257                                                         STATUSBAR_POP(folderview->mainwin);
1258                                                         continue;
1259                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1260                                                         STATUSBAR_POP(folderview->mainwin);
1261                                                         break;
1262                                                 }
1263                                         }
1264                                 }
1265                         } else if (!item->folder->klass->scan_required) {
1266                                 if (folder_item_scan(item) < 0) {
1267                                         summaryview_unlock(folderview->summaryview, item);
1268                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1269                                                 STATUSBAR_POP(folderview->mainwin);
1270                                                 break;
1271                                         }
1272                                 }
1273                         }
1274                         if (former_new    != item->new_msgs ||
1275                             former_unread != item->unread_msgs ||
1276                             former_total  != item->total_msgs)
1277                                 folderview_update_node(folderview, node);
1278
1279                         new_msgs += item->new_msgs;
1280                         former_new_msgs += former_new;
1281                         STATUSBAR_POP(folderview->mainwin);
1282                 }
1283                 folderview->scanning_folder = NULL;
1284                 main_window_unlock(folderview->mainwin);
1285                 inc_unlock();
1286         }
1287
1288         folder_write_list();
1289         /* Number of new messages since last check is the just the difference
1290          * between former_new_msgs and new_msgs. If new_msgs is less than
1291          * former_new_msgs, that would mean another session accessed the folder
1292          * and the result is not well defined.
1293          */
1294         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1295         return new_msgs;
1296 }
1297
1298 void folderview_check_new_all(void)
1299 {
1300         GList *list;
1301         GtkWidget *window;
1302         FolderView *folderview;
1303
1304         folderview = (FolderView *)folderview_list->data;
1305
1306         inc_lock();
1307         main_window_lock(folderview->mainwin);
1308         window = label_window_create
1309                 (_("Checking for new messages in all folders..."));
1310
1311         list = folder_get_list();
1312         for (; list != NULL; list = list->next) {
1313                 Folder *folder = list->data;
1314
1315                 folderview_check_new(folder);
1316         }
1317
1318         folder_write_list();
1319         folderview_set_all();
1320
1321         label_window_destroy(window);
1322         main_window_unlock(folderview->mainwin);
1323         inc_unlock();
1324 }
1325
1326 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1327                                                  FolderItem *item,
1328                                                  gboolean in_sub)
1329 {
1330         GNode *node = NULL;
1331
1332         if (!item || !item->folder || !item->folder->node)
1333                 return FALSE;
1334
1335         node = item->folder->node;
1336
1337         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1338         node = node->children;
1339
1340         if (in_sub &&
1341             (item->new_msgs > 0 ||
1342             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1343                 return TRUE;
1344         }
1345
1346         while (node != NULL) {
1347                 if (node && node->data) {
1348                         FolderItem *next_item = (FolderItem*) node->data;
1349                         node = node->next;
1350                         if (folderview_have_new_children_sub(folderview,
1351                                                              next_item, TRUE))
1352                                 return TRUE;
1353                 }
1354         }
1355
1356         return FALSE;
1357 }
1358
1359 static gboolean folderview_have_new_children(FolderView *folderview,
1360                                              FolderItem *item)
1361 {
1362         return folderview_have_new_children_sub(folderview, item, FALSE);
1363 }
1364
1365 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1366                                                     FolderItem *item,
1367                                                     gboolean in_sub)
1368 {
1369         GNode *node = NULL;
1370
1371         if (!item || !item->folder || !item->folder->node)
1372                 return FALSE;
1373
1374         node = item->folder->node;
1375
1376         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1377         node = node->children;
1378
1379         if (in_sub &&
1380             (item->unread_msgs > 0 ||
1381             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1382                 return TRUE;
1383         }
1384
1385         while (node != NULL) {
1386                 if (node && node->data) {
1387                         FolderItem *next_item = (FolderItem*) node->data;
1388                         node = node->next;
1389                         if (folderview_have_unread_children_sub(folderview,
1390                                                                 next_item,
1391                                                                 TRUE))
1392                                 return TRUE;
1393                 }
1394         }
1395
1396         return FALSE;
1397 }
1398
1399 static gboolean folderview_have_unread_children(FolderView *folderview,
1400                                                 FolderItem *item)
1401 {
1402         return folderview_have_unread_children_sub(folderview, item, FALSE);
1403 }
1404
1405 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1406                                                       FolderItem *item,
1407                                                       gboolean in_sub)
1408 {
1409         GNode *node = NULL;
1410
1411         if (!item || !item->folder || !item->folder->node)
1412                 return FALSE;
1413
1414         node = item->folder->node;
1415
1416         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1417         node = node->children;
1418
1419         if (in_sub && item->search_match){
1420                 return TRUE;
1421         }
1422
1423         while (node != NULL) {
1424                 if (node && node->data) {
1425                         FolderItem *next_item = (FolderItem*) node->data;
1426                         node = node->next;
1427                         if (folderview_have_matching_children_sub(folderview,
1428                                                                   next_item,
1429                                                                   TRUE))
1430                                 return TRUE;
1431                 }
1432         }
1433
1434         return FALSE;
1435 }
1436
1437 static gboolean folderview_have_matching_children(FolderView *folderview,
1438                                                   FolderItem *item)
1439 {
1440         return folderview_have_matching_children_sub(folderview, item, FALSE);
1441 }
1442
1443 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1444                                                     FolderItem *item,
1445                                                     gboolean in_sub)
1446 {
1447         GNode *node = NULL;
1448
1449         if (!item || !item->folder || !item->folder->node)
1450                 return FALSE;
1451
1452         node = item->folder->node;
1453
1454         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1455         node = node->children;
1456
1457         if (item->marked_msgs != 0) {
1458                 return TRUE;
1459         }
1460
1461         while (node != NULL) {
1462                 if (node && node->data) {
1463                         FolderItem *next_item = (FolderItem*) node->data;
1464                         node = node->next;
1465                         if (folderview_have_marked_children_sub(folderview,
1466                                                                 next_item, TRUE))
1467                                 return TRUE;
1468                 }
1469         }
1470
1471         return FALSE;
1472 }
1473
1474 static gboolean folderview_have_marked_children(FolderView *folderview,
1475                                              FolderItem *item)
1476 {
1477         return folderview_have_marked_children_sub(folderview, item, FALSE);
1478 }
1479
1480 static void folderview_update_node(FolderView *folderview, GtkCMCTreeNode *node)
1481 {
1482         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1483         GtkStyle *style = NULL;
1484         GtkStyle *color_style = NULL;
1485         FolderItem *item;
1486         GdkPixmap *xpm, *openxpm;
1487         GdkBitmap *mask, *openmask;
1488         static GdkPixmap *searchicon;
1489         static GdkBitmap *searchmask;
1490         gboolean mark = FALSE;
1491         gchar *name;
1492         gchar *str;
1493         gboolean add_unread_mark;
1494         gboolean add_sub_match_mark;
1495         gboolean use_bold, use_color;
1496         gint *col_pos = folderview->col_pos;
1497         SpecialFolderItemType stype;
1498
1499         item = gtk_cmctree_node_get_row_data(ctree, node);
1500         g_return_if_fail(item != NULL);
1501
1502         if (!GTK_CMCTREE_ROW(node)->expanded)
1503                 mark = folderview_have_marked_children(folderview, item);
1504         else
1505                 mark = (item->marked_msgs != 0);
1506
1507         stype = item->stype;
1508         if (stype == F_NORMAL) {
1509                 if (folder_has_parent_of_type(item, F_TRASH))
1510                         stype = F_TRASH;
1511                 else if (folder_has_parent_of_type(item, F_DRAFT))
1512                         stype = F_DRAFT;
1513                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1514                         stype = F_OUTBOX;
1515                 else if (folder_has_parent_of_type(item, F_QUEUE))
1516                         stype = F_QUEUE;
1517         }
1518         switch (stype) {
1519         case F_INBOX:
1520                 if (item->hide_read_msgs) {
1521                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1522                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1523                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1524                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1525                 } else {
1526                         xpm = mark?m_inboxxpm:inboxxpm;
1527                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1528                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1529                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1530                 }
1531                 break;
1532         case F_OUTBOX:
1533                 if (item->hide_read_msgs) {
1534                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1535                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1536                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1537                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1538                 } else {
1539                         xpm = mark?m_outboxxpm:outboxxpm;
1540                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1541                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1542                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1543                 }
1544                 break;
1545         case F_QUEUE:
1546                 if (item->hide_read_msgs) {
1547                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1548                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1549                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1550                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1551                 } else {
1552                         xpm = mark?m_queuexpm:queuexpm;
1553                         mask = mark?m_queuexpmmask:queuexpmmask;
1554                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1555                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1556                 }
1557                 break;
1558         case F_TRASH:
1559                 if (item->hide_read_msgs) {
1560                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1561                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1562                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1563                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1564                 } else {
1565                         xpm = mark?m_trashxpm:trashxpm;
1566                         mask = mark?m_trashxpmmask:trashxpmmask;
1567                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1568                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1569                 }
1570                 break;
1571         case F_DRAFT:
1572                 xpm = mark?m_draftsxpm:draftsxpm;
1573                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1574                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1575                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1576                 break;
1577         default:
1578                 if (item->hide_read_msgs) {
1579                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1580                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1581                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1582                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1583                 } else {
1584                         xpm = mark?m_folderxpm:folderxpm;
1585                         mask = mark?m_folderxpmmask:folderxpmmask;
1586                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1587                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1588                 }
1589         }
1590
1591         if (item->no_select) {
1592                 xpm = openxpm = noselectxpm;
1593                 mask = openmask = noselectxpmmask;
1594         }
1595
1596         name = folder_item_get_name(item);
1597
1598         if (!GTK_CMCTREE_ROW(node)->expanded) {
1599                 add_unread_mark = folderview_have_unread_children(
1600                                         folderview, item);
1601                 add_sub_match_mark = folderview_have_matching_children(
1602                                         folderview, item);
1603         } else {
1604                 add_unread_mark = FALSE;
1605                 add_sub_match_mark = FALSE;
1606         }
1607
1608         if (item->search_match) {
1609                 if (!searchicon) {
1610                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1611                          &searchicon, &searchmask);
1612                 }
1613                 xpm = openxpm = searchicon;
1614                 mask = openmask = searchmask;
1615         }
1616
1617         str = NULL;
1618         if (prefs_common.display_folder_unread) {
1619                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1620                         /* only total_msgs matters here */
1621                         if (item->total_msgs > 0) {
1622                                 /* show total number (should be equal to the unread number)
1623                                    and signs if any */
1624                                 str = g_strdup_printf("%s (%d%s%s)",
1625                                                         name, item->total_msgs,
1626                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1627                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1628                         }
1629         } else {
1630                         if (prefs_common.display_folder_unread == 1) {
1631                                 if (item->unread_msgs > 0) {
1632                                         /* show unread number and signs */
1633                                         str = g_strdup_printf("%s (%d%s%s)",
1634                                                                 name, item->unread_msgs,
1635                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1636                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1637                                 }
1638                         } else {
1639                                 if (item->total_msgs > 0) {
1640                                         /* show unread number, total number and signs if any */
1641                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1642                                                                 name, item->unread_msgs, item->total_msgs,
1643                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1644                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1645                                 }
1646                         }
1647                 }
1648                 if ((str == NULL) &&
1649                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1650                         /* no unread/total numbers, but at least one sign */
1651                         str = g_strdup_printf("%s (%s%s)",
1652                                                 name,
1653                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1654                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1655                 }
1656         }
1657         if (str == NULL) {
1658                 /* last fallback, folder name only or with ! sign */
1659                 str = g_strdup_printf("%s%s",
1660                                         name, (item->unreadmarked_msgs > 0) ? " (!)" : "");
1661         }
1662                 gtk_sctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1663                                         xpm, mask, openxpm, openmask,
1664                                         FALSE, GTK_CMCTREE_ROW(node)->expanded);
1665                 g_free(str);
1666         g_free(name);
1667
1668         if (!folder_item_parent(item)) {
1669                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1670                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1671                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1672         } else {
1673                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1674                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1675                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1676         }
1677
1678         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1679             folder_has_parent_of_type(item, F_DRAFT) ||
1680             folder_has_parent_of_type(item, F_TRASH)) {
1681                 use_bold = use_color = FALSE;
1682         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1683                 /* highlight queue folder if there are any messages */
1684                 use_bold = use_color = (item->total_msgs > 0);
1685         } else {
1686                 /* if unread messages exist, print with bold font */
1687                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1688                                 || add_unread_mark;
1689                 /* if new messages exist, print with colored letter */
1690                 use_color =
1691                         (item->new_msgs > 0) ||
1692                         (add_unread_mark &&
1693                          folderview_have_new_children(folderview, item));
1694         }
1695
1696         gtk_cmctree_node_set_foreground(ctree, node, NULL);
1697
1698         if (use_bold) {
1699                 GdkColor gdk_color;
1700
1701                 if (item->prefs->color > 0 && !use_color) {
1702                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1703                         color_style = gtk_style_copy(bold_style);
1704                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1705                         style = color_style;
1706                 } else if (use_color) {
1707                         style = bold_color_style;
1708                 } else
1709                         style = bold_style;
1710                 if (item->op_count > 0) {
1711                         style = bold_tgtfold_style;
1712                 }
1713         } else if (use_color) {
1714                 style = normal_color_style;
1715                 gtk_cmctree_node_set_foreground(ctree, node,
1716                                               &folderview->color_new);
1717         } else if (item->op_count > 0) {
1718                 style = bold_tgtfold_style;
1719         } else if (item->prefs->color > 0) {
1720                 GdkColor gdk_color;
1721                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1722                 color_style = gtk_style_copy(normal_style);
1723                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1724                 style = color_style;
1725         } else {
1726                 style = normal_style;
1727         }
1728
1729         gtk_cmctree_node_set_row_style(ctree, node, style);
1730
1731         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1732                 folderview_update_node(folderview, node);
1733 }
1734
1735 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1736 {
1737         GList *list;
1738         FolderView *folderview;
1739         GtkCMCTree *ctree;
1740         GtkCMCTreeNode *node;
1741
1742         g_return_if_fail(item != NULL);
1743
1744         for (list = folderview_list; list != NULL; list = list->next) {
1745                 folderview = (FolderView *)list->data;
1746                 ctree = GTK_CMCTREE(folderview->ctree);
1747
1748                 node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
1749                 if (node) {
1750                         item->search_match = matches;
1751                         folderview_update_node(folderview, node);
1752                 }
1753         }
1754 }
1755
1756 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1757 {
1758         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1759         FolderView *folderview = (FolderView *)data;
1760         GtkCMCTree *ctree;
1761         GtkCMCTreeNode *node;
1762         g_return_val_if_fail(update_info != NULL, TRUE);
1763         g_return_val_if_fail(update_info->item != NULL, TRUE);
1764         g_return_val_if_fail(folderview != NULL, FALSE);
1765
1766         ctree = GTK_CMCTREE(folderview->ctree);
1767
1768         node = gtk_cmctree_find_by_row_data(ctree, NULL, update_info->item);
1769
1770         if (node) {
1771                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1772                         folderview_update_node(folderview, node);
1773
1774                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1775                      update_info->item == folderview->summaryview->folder_item &&
1776                      update_info->item != NULL)
1777                         if (!quicksearch_is_active(folderview->summaryview->quicksearch))
1778                                 summary_show(folderview->summaryview, update_info->item);
1779         }
1780
1781         return FALSE;
1782 }
1783
1784 static gboolean folderview_gnode_func(GtkCMCTree *ctree, guint depth,
1785                                       GNode *gnode, GtkCMCTreeNode *cnode,
1786                                       gpointer data)
1787 {
1788         FolderView *folderview = (FolderView *)data;
1789         FolderItem *item = FOLDER_ITEM(gnode->data);
1790
1791         g_return_val_if_fail(item != NULL, FALSE);
1792
1793         gtk_cmctree_node_set_row_data(ctree, cnode, item);
1794         folderview_update_node(folderview, cnode);
1795
1796         return TRUE;
1797 }
1798
1799 static void folderview_expand_func(GtkCMCTree *ctree, GtkCMCTreeNode *node,
1800                                    gpointer data)
1801 {
1802         FolderView *folderview = (FolderView *)data;
1803         FolderItem *item;
1804
1805         if (GTK_CMCTREE_ROW(node)->children) {
1806                 item = gtk_cmctree_node_get_row_data(ctree, node);
1807                 g_return_if_fail(item != NULL);
1808
1809                 if (!item->collapsed)
1810                         gtk_cmctree_expand(ctree, node);
1811                 else
1812                         folderview_update_node(folderview, node);
1813         }
1814 }
1815
1816 static void set_special_folder(GtkCMCTree *ctree, FolderItem *item,
1817                                GtkCMCTreeNode *root, GtkCMCTreeNode **prev)
1818 {
1819         if (item) {
1820                 GtkCMCTreeNode *node, *parent, *sibling;
1821
1822                 node = gtk_cmctree_find_by_row_data(ctree, root, item);
1823                 if (!node)
1824                         g_warning("%s not found.\n", item->path);
1825                 else {
1826                         parent = GTK_CMCTREE_ROW(node)->parent;
1827                         if (*prev && parent == GTK_CMCTREE_ROW(*prev)->parent)
1828                                 sibling = GTK_CMCTREE_ROW(*prev)->sibling;
1829                         else
1830                                 sibling = GTK_CMCTREE_ROW(parent)->children;
1831                         while (sibling) {
1832                                 FolderItem *tmp;
1833
1834                                 tmp = gtk_cmctree_node_get_row_data
1835                                         (ctree, sibling);
1836                                 if (tmp->stype != F_NORMAL)
1837                                         sibling = GTK_CMCTREE_ROW(sibling)->sibling;
1838                                 else
1839                                         break;
1840                         }
1841                         if (node != sibling)
1842                                 gtk_cmctree_move(ctree, node, parent, sibling);
1843                 }
1844
1845                 *prev = node;
1846         }
1847 }
1848
1849 static void folderview_sort_folders(FolderView *folderview, GtkCMCTreeNode *root,
1850                                     Folder *folder)
1851 {
1852         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1853         GtkCMCTreeNode *prev = NULL;
1854
1855         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
1856         gtk_sctree_sort_recursive(ctree, root);
1857         if (root && GTK_CMCTREE_ROW(root)->parent) {
1858                 gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1859                 return;
1860         }
1861         set_special_folder(ctree, folder->inbox, root, &prev);
1862         set_special_folder(ctree, folder->outbox, root, &prev);
1863         set_special_folder(ctree, folder->draft, root, &prev);
1864         set_special_folder(ctree, folder->queue, root, &prev);
1865         set_special_folder(ctree, folder->trash, root, &prev);
1866         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1867 }
1868
1869 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1870 {
1871         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1872         GtkCMCTreeNode *root;
1873
1874         g_return_if_fail(folder != NULL);
1875
1876         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1877                                       folderview_gnode_func, folderview);
1878         gtk_cmctree_pre_recursive(ctree, root, folderview_expand_func,
1879                                 folderview);
1880         folderview_sort_folders(folderview, root, folder);
1881 }
1882
1883 /* callback functions */
1884 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1885                                 GdkEventButton *event)
1886 {
1887         FolderItem *item;
1888         Folder *folder;
1889         FolderViewPopup *fpopup;
1890         GtkActionGroup *action_group;
1891         GtkWidget *popup;
1892         FolderItem *special_trash = NULL, *special_queue = NULL;
1893         PrefsAccount *ac;
1894         GtkUIManager *ui_manager = gtk_ui_manager_new();
1895
1896         if (folderview->ui_manager)
1897                 g_object_unref(folderview->ui_manager);
1898
1899         folderview->ui_manager = ui_manager;
1900         item = folderview_get_selected_item(folderview);
1901
1902         g_return_if_fail(item != NULL);
1903         g_return_if_fail(item->folder != NULL);
1904         folder = item->folder;
1905
1906         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1907
1908         if (fpopup != NULL)
1909                 action_group = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1910         else {
1911                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1912                 action_group = g_hash_table_lookup(folderview->popups, "common");
1913         }
1914
1915         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
1916         MENUITEM_ADDUI_MANAGER(ui_manager, "/", "Popup", "Popup", GTK_UI_MANAGER_MENUBAR)
1917         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup", "FolderViewPopup", "FolderViewPopup", GTK_UI_MANAGER_MENU)
1918
1919         if (fpopup->add_menuitems)
1920                 fpopup->add_menuitems(ui_manager, item);
1921
1922         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllRead", "FolderViewPopup/MarkAllRead", GTK_UI_MANAGER_MENUITEM)
1923         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Separator1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1924         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RunProcessing", "FolderViewPopup/RunProcessing", GTK_UI_MANAGER_MENUITEM)
1925         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SearchFolder", "FolderViewPopup/SearchFolder", GTK_UI_MANAGER_MENUITEM)
1926         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Properties", "FolderViewPopup/Properties", GTK_UI_MANAGER_MENUITEM)
1927         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Processing", "FolderViewPopup/Processing", GTK_UI_MANAGER_MENUITEM)
1928
1929         if (fpopup->set_sensitivity != NULL)
1930                 fpopup->set_sensitivity(ui_manager, item);
1931
1932         if (NULL != (ac = account_find_from_item(item))) {
1933                 special_trash = account_get_special_folder(ac, F_TRASH);
1934                 special_queue = account_get_special_folder(ac, F_QUEUE);
1935         }
1936
1937         if ((item == folder->trash || item == special_trash
1938              || folder_has_parent_of_type(item, F_TRASH))) {
1939                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorTrash", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1940                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "EmptyTrash", "FolderViewPopup/EmptyTrash", GTK_UI_MANAGER_MENUITEM)
1941         }
1942
1943         if ((item == folder->queue || item == special_queue
1944              || folder_has_parent_of_type(item, F_QUEUE))) {
1945                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorQueue", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1946                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SendQueue", "FolderViewPopup/SendQueue", GTK_UI_MANAGER_MENUITEM)
1947         }
1948
1949 #define SET_SENS(name, sens) \
1950         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
1951
1952         SET_SENS("FolderViewPopup/MarkAllRead", item->unread_msgs >= 1);
1953         SET_SENS("FolderViewPopup/SearchFolder", item->total_msgs >= 1 &&
1954                  folderview->selected == folderview->opened);
1955         SET_SENS("FolderViewPopup/Properties", TRUE);
1956
1957         SET_SENS("FolderViewPopup/RunProcessing", item->prefs->processing &&
1958                  item->total_msgs >= 1 && !item->processing_pending);
1959         SET_SENS("FolderViewPopup/Processing", item->node->parent != NULL &&
1960                 !item->no_select && !item->processing_pending);
1961
1962         if (item == folder->trash || item == special_trash
1963             || folder_has_parent_of_type(item, F_TRASH)) {
1964                 GSList *msglist = folder_item_get_msg_list(item);
1965                 SET_SENS("FolderViewPopup/EmptyTrash", msglist != NULL);
1966                 procmsg_msg_list_free(msglist);
1967         }
1968         if (item == folder->queue || item == special_queue
1969             || folder_has_parent_of_type(item, F_QUEUE)) {
1970                 GSList *msglist = folder_item_get_msg_list(item);
1971                 SET_SENS("FolderViewPopup/SendQueue", msglist != NULL);
1972                 procmsg_msg_list_free(msglist);
1973         }
1974 #undef SET_SENS
1975
1976         popup = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
1977                         gtk_ui_manager_get_widget(ui_manager, "/Popup/FolderViewPopup")) );
1978         g_signal_connect(G_OBJECT(popup), "selection_done",
1979                          G_CALLBACK(folderview_popup_close),
1980                          folderview);
1981         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1982                        event->button, event->time);
1983 }
1984
1985 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1986                                           FolderView *folderview)
1987 {
1988         GtkCMCList *clist = GTK_CMCLIST(ctree);
1989         gint prev_row = -1, row = -1, column = -1;
1990
1991         if (!event) return FALSE;
1992
1993         if (event->button == 1 || event->button == 2) {
1994                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
1995                         folderview->open_folder = TRUE;
1996
1997                 if (event->type == GDK_2BUTTON_PRESS) {
1998                         if (clist->selection) {
1999                                 GtkCMCTreeNode *node;
2000
2001                                 node = GTK_CMCTREE_NODE(clist->selection->data);
2002                                 if (node) {
2003                                         gtk_cmctree_toggle_expansion(
2004                                                 GTK_CMCTREE(ctree),
2005                                                 node);
2006                                         folderview->open_folder = FALSE;
2007                                 }
2008                         }
2009                 }
2010                 return FALSE;
2011         }
2012
2013         if (event->button == 2 || event->button == 3) {
2014                 /* right clicked */
2015                 if (clist->selection) {
2016                         GtkCMCTreeNode *node;
2017
2018                         node = GTK_CMCTREE_NODE(clist->selection->data);
2019                         if (node)
2020                                 prev_row = gtkut_ctree_get_nth_from_node
2021                                         (GTK_CMCTREE(ctree), node);
2022                 }
2023
2024                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
2025                                                   &row, &column))
2026                         return FALSE;
2027                 if (prev_row != row) {
2028                         gtk_cmclist_unselect_all(clist);
2029                         if (event->button == 2)
2030                                 folderview_select_node
2031                                         (folderview,
2032                                          gtk_cmctree_node_nth(GTK_CMCTREE(ctree),
2033                                                             row));
2034                         else
2035                                 gtk_cmclist_select_row(clist, row, column);
2036                 }
2037         }
2038
2039         if (event->button != 3) return FALSE;
2040
2041         folderview_set_sens_and_popup_menu(folderview, row, event);
2042         return FALSE;
2043 }
2044
2045 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
2046                                            FolderView *folderview)
2047 {
2048         int row = -1, column = -1;
2049
2050         if (!event) return FALSE;
2051
2052         if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree), event->x, event->y,
2053                                           &row, &column))
2054                 return FALSE;
2055         if (event->button == 1 && folderview->open_folder == FALSE &&
2056             folderview->opened != NULL) {
2057                 gtkut_ctree_set_focus_row(GTK_CMCTREE(ctree),
2058                                           folderview->opened);
2059                 gtk_cmctree_select(GTK_CMCTREE(ctree), folderview->opened);
2060         }
2061
2062         return FALSE;
2063 }
2064
2065 #define BREAK_ON_MODIFIER_KEY() \
2066         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
2067
2068 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2069                                        FolderView *folderview)
2070 {
2071         if (!event) return FALSE;
2072
2073         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2074                 return FALSE;
2075
2076         switch (event->keyval) {
2077         case GDK_Right:
2078 #ifndef GENERIC_UMPC
2079         case GDK_Return:
2080         case GDK_KP_Enter:
2081 #endif
2082                 if (folderview->selected) {
2083                         folderview_select_node(folderview,
2084                                                folderview->selected);
2085                 }
2086                 break;
2087 #ifdef GENERIC_UMPC
2088         case GDK_Return:
2089                 if (folderview->selected && GTK_CMCTREE_ROW(folderview->selected)->children) {
2090                         gtk_cmctree_toggle_expansion(
2091                                 GTK_CMCTREE(folderview->ctree),
2092                                 folderview->selected);
2093                 }
2094                 break;
2095 #endif
2096         case GDK_space:
2097                 BREAK_ON_MODIFIER_KEY();
2098                 if (folderview->selected) {
2099                         if (folderview->opened == folderview->selected &&
2100                             (!folderview->summaryview->folder_item ||
2101                              folderview->summaryview->folder_item->total_msgs == 0))
2102                                 folderview_select_next_unread(folderview, TRUE);
2103                         else
2104                                 folderview_select_node(folderview,
2105                                                        folderview->selected);
2106                 }
2107                 break;
2108         default:
2109                 break;
2110         }
2111
2112         return FALSE;
2113 }
2114
2115 typedef struct _PostponedSelectData
2116 {
2117         GtkCMCTree *ctree;
2118         GtkCMCTreeNode *row;
2119         gint column;
2120         FolderView *folderview;
2121 } PostponedSelectData;
2122
2123 static gboolean postpone_select(void *data)
2124 {
2125         PostponedSelectData *psdata = (PostponedSelectData *)data;
2126         debug_print("trying again\n");
2127         psdata->folderview->open_folder = TRUE;
2128         main_window_cursor_normal(psdata->folderview->mainwin);
2129         STATUSBAR_POP(psdata->folderview->mainwin);
2130         folderview_selected(psdata->ctree, psdata->row,
2131                             psdata->column, psdata->folderview);
2132         g_free(psdata);
2133         return FALSE;
2134 }
2135
2136 void folderview_close_opened(FolderView *folderview)
2137 {
2138         if (folderview->opened) {
2139                 FolderItem *olditem;
2140
2141                 olditem = gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2142                                                       folderview->opened);
2143                 if (olditem) {
2144                         gchar *buf = g_strdup_printf(_("Closing Folder %s..."),
2145                                 olditem->path ? olditem->path:olditem->name);
2146                         /* will be null if we just moved the previously opened folder */
2147                         STATUSBAR_PUSH(folderview->mainwin, buf);
2148                         main_window_cursor_wait(folderview->mainwin);
2149                         g_free(buf);
2150                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2151                         summary_show(folderview->summaryview, NULL);
2152                         folder_item_close(olditem);
2153                         main_window_cursor_normal(folderview->mainwin);
2154                         STATUSBAR_POP(folderview->mainwin);
2155                         if (olditem->folder->klass->item_closed)
2156                                 olditem->folder->klass->item_closed(olditem);
2157
2158                 }
2159         }
2160
2161         if (folderview->opened &&
2162             !GTK_CMCTREE_ROW(folderview->opened)->children)
2163                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree), folderview->opened);
2164
2165         folderview->opened = NULL;
2166 }
2167 static void folderview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *row,
2168                                 gint column, FolderView *folderview)
2169 {
2170         static gboolean can_select = TRUE;      /* exclusive lock */
2171         gboolean opened;
2172         FolderItem *item;
2173         gchar *buf;
2174         int res = 0;
2175         GtkCMCTreeNode *old_opened = folderview->opened;
2176         START_TIMING("");
2177         folderview->selected = row;
2178
2179         debug_print("newly selected %p, opened %p\n", folderview->selected,
2180                         folderview->opened);
2181         if (folderview->opened == row) {
2182                 folderview->open_folder = FALSE;
2183                 END_TIMING();
2184                 return;
2185         }
2186
2187         item = gtk_cmctree_node_get_row_data(ctree, row);
2188         if (!item) {
2189                 END_TIMING();
2190                 folderview->open_folder = FALSE;
2191                 return;
2192         }
2193
2194         if (!can_select || summary_is_locked(folderview->summaryview)) {
2195                 if (folderview->opened) {
2196                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2197                         gtk_cmctree_select(ctree, folderview->opened);
2198                 }
2199                 folderview->open_folder = FALSE;
2200                 END_TIMING();
2201                 return;
2202         }
2203
2204         if (!folderview->open_folder) {
2205                 END_TIMING();
2206                 return;
2207         }
2208
2209         can_select = FALSE;
2210
2211         /* Save cache for old folder */
2212         /* We don't want to lose all caches if sylpheed crashed */
2213         /* resets folderview->opened to NULL */
2214         folderview_close_opened(folderview);
2215
2216         /* CLAWS: set compose button type: news folder items
2217          * always have a news folder as parent */
2218         if (item->folder)
2219                 toolbar_set_compose_button
2220                         (folderview->mainwin->toolbar,
2221                          FOLDER_TYPE(item->folder) == F_NEWS ?
2222                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2223
2224         if (item->path)
2225                 debug_print("Folder %s is selected\n", item->path);
2226
2227         if (!GTK_CMCTREE_ROW(row)->children)
2228                 gtk_cmctree_expand(ctree, row);
2229
2230         /* ungrab the mouse event */
2231         if (GTK_WIDGET_HAS_GRAB(ctree)) {
2232                 gtk_grab_remove(GTK_WIDGET(ctree));
2233                 if (gdk_pointer_is_grabbed())
2234                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2235         }
2236
2237         /* Open Folder */
2238         /* TODO: wwp: avoid displaying (null) in the status bar */
2239         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
2240                                         item->path : "(null)");
2241         debug_print("%s\n", buf);
2242         STATUSBAR_PUSH(folderview->mainwin, buf);
2243         g_free(buf);
2244
2245         main_window_cursor_wait(folderview->mainwin);
2246
2247         if (folderview->scanning_folder == item->folder) {
2248                 res = -2;
2249         } else {
2250                 res = folder_item_open(item);
2251         }
2252
2253         if (res == -1 && item->no_select == FALSE) {
2254                 main_window_cursor_normal(folderview->mainwin);
2255                 STATUSBAR_POP(folderview->mainwin);
2256
2257                 alertpanel_error(_("Folder could not be opened."));
2258
2259                 folderview->open_folder = FALSE;
2260                 can_select = TRUE;
2261                 END_TIMING();
2262                 return;
2263         } else if (res == -2 && item->no_select == FALSE) {
2264                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2265                 data->ctree = ctree;
2266                 data->row = row;
2267                 data->column = column;
2268                 data->folderview = folderview;
2269                 debug_print("postponing open of %s till end of scan\n",
2270                         item->path ? item->path:item->name);
2271                 folderview->open_folder = FALSE;
2272                 can_select = TRUE;
2273                 g_timeout_add(500, postpone_select, data);
2274                 END_TIMING();
2275                 return;
2276         }
2277
2278         main_window_cursor_normal(folderview->mainwin);
2279
2280         /* Show messages */
2281         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2282         opened = summary_show(folderview->summaryview, item);
2283
2284         folder_clean_cache_memory(item);
2285
2286         if (!opened) {
2287                 gtkut_ctree_set_focus_row(ctree, old_opened);
2288                 gtk_cmctree_select(ctree, old_opened);
2289                 folderview->opened = old_opened;
2290         } else {
2291                 folderview->opened = row;
2292                 if (gtk_cmctree_node_is_visible(ctree, row)
2293                     != GTK_VISIBILITY_FULL)
2294                         gtk_cmctree_node_moveto(ctree, row, -1, 0.5, 0);
2295         }
2296
2297         STATUSBAR_POP(folderview->mainwin);
2298
2299         folderview->open_folder = FALSE;
2300         can_select = TRUE;
2301         END_TIMING();
2302 }
2303
2304 static void folderview_tree_expanded(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2305                                      FolderView *folderview)
2306 {
2307         FolderItem *item;
2308
2309         item = gtk_cmctree_node_get_row_data(ctree, node);
2310         g_return_if_fail(item != NULL);
2311         item->collapsed = FALSE;
2312         folderview_update_node(folderview, node);
2313 }
2314
2315 static void folderview_tree_collapsed(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2316                                       FolderView *folderview)
2317 {
2318         FolderItem *item;
2319
2320         item = gtk_cmctree_node_get_row_data(ctree, node);
2321         g_return_if_fail(item != NULL);
2322         item->collapsed = TRUE;
2323         folderview_update_node(folderview, node);
2324 }
2325
2326 static void folderview_popup_close(GtkMenuShell *menu_shell,
2327                                    FolderView *folderview)
2328 {
2329         if (!folderview->opened) return;
2330
2331         gtk_cmctree_select(GTK_CMCTREE(folderview->ctree), folderview->opened);
2332 }
2333
2334 static void folderview_col_resized(GtkCMCList *clist, gint column, gint width,
2335                                    FolderView *folderview)
2336 {
2337         FolderColumnType type = folderview->col_state[column].type;
2338
2339         prefs_common.folder_col_size[type] = width;
2340 }
2341
2342 static void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
2343 {
2344         GNode *srcnode;
2345
2346         folderview_create_folder_node(folderview, item);
2347
2348         if (!item || !item->folder || !item->folder->node)
2349                 return;
2350
2351         srcnode = item->folder->node;
2352         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2353         srcnode = srcnode->children;
2354         while (srcnode != NULL) {
2355                 if (srcnode && srcnode->data) {
2356                         FolderItem *next_item = (FolderItem*) srcnode->data;
2357                         folderview_create_folder_node_recursive(folderview, next_item);
2358                 }
2359                 srcnode = srcnode->next;
2360         }
2361 }
2362
2363 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2364 {
2365         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2366         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2367         GtkCMCTreeNode *node, *parent_node;
2368         gint *col_pos = folderview->col_pos;
2369         FolderItemUpdateData hookdata;
2370
2371         parent_node = gtk_cmctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2372         if (parent_node == NULL)
2373                 return;
2374
2375         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
2376
2377         text[col_pos[F_COL_FOLDER]] = item->name;
2378         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2379                                      FOLDER_SPACING,
2380                                      folderxpm, folderxpmmask,
2381                                      folderopenxpm, folderopenxpmmask,
2382                                      FALSE, FALSE);
2383         gtk_cmctree_expand(ctree, parent_node);
2384         gtk_cmctree_node_set_row_data(ctree, node, item);
2385         if (normal_style)
2386                 gtk_cmctree_node_set_row_style(ctree, node, normal_style);
2387         folderview_sort_folders(folderview, parent_node, item->folder);
2388
2389         hookdata.item = item;
2390         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2391         hookdata.msg = NULL;
2392         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2393
2394         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
2395 }
2396
2397 static void folderview_empty_trash_cb(GtkAction *action, gpointer data)
2398 {
2399         FolderView *folderview = (FolderView *)data;
2400         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2401         FolderItem *item;
2402         GSList *mlist = NULL;
2403         GSList *cur = NULL;
2404         FolderItem *special_trash = NULL;
2405         PrefsAccount *ac;
2406
2407         if (!folderview->selected) return;
2408         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2409         g_return_if_fail(item != NULL);
2410         g_return_if_fail(item->folder != NULL);
2411
2412         if (NULL != (ac = account_find_from_item(item)))
2413                 special_trash = account_get_special_folder(ac, F_TRASH);
2414
2415         if (item != item->folder->trash && item != special_trash
2416         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2417
2418         if (prefs_common.ask_on_clean) {
2419                 if (alertpanel(_("Empty trash"),
2420                                _("Delete all messages in trash?"),
2421                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2422                         return;
2423         }
2424
2425         mlist = folder_item_get_msg_list(item);
2426
2427         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2428                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2429                 if (MSG_IS_LOCKED(msginfo->flags))
2430                         continue;
2431                 /* is it partially received? (partial_recv isn't cached) */
2432                 if (msginfo->total_size != 0 &&
2433                     msginfo->size != (off_t)msginfo->total_size)
2434                         partial_mark_for_delete(msginfo);
2435         }
2436         procmsg_msg_list_free(mlist);
2437
2438         folder_item_remove_all_msg(item);
2439 }
2440
2441 static void folderview_send_queue_cb(GtkAction *action, gpointer data)
2442 {
2443         FolderView *folderview = (FolderView *)data;
2444         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2445         FolderItem *item;
2446         FolderItem *special_queue = NULL;
2447         PrefsAccount *ac;
2448         gchar *errstr = NULL;
2449
2450         if (!folderview->selected) return;
2451         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2452         g_return_if_fail(item != NULL);
2453         g_return_if_fail(item->folder != NULL);
2454
2455         if (NULL != (ac = account_find_from_item(item)))
2456                 special_queue = account_get_special_folder(ac, F_QUEUE);
2457
2458         if (item != item->folder->queue && item != special_queue
2459         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2460
2461         if (procmsg_queue_is_empty(item))
2462                 return;
2463
2464         if (prefs_common.work_offline)
2465                 if (alertpanel(_("Offline warning"),
2466                                _("You're working offline. Override?"),
2467                                GTK_STOCK_NO, GTK_STOCK_YES,
2468                                NULL) != G_ALERTALTERNATE)
2469                 return;
2470
2471         /* ask for confirmation before sending queued messages only
2472            in online mode and if there is at least one message queued
2473            in any of the folder queue
2474         */
2475         if (prefs_common.confirm_send_queued_messages) {
2476                 if (!prefs_common.work_offline) {
2477                         if (alertpanel(_("Send queued messages"),
2478                                    _("Send all queued messages?"),
2479                                    GTK_STOCK_CANCEL, _("_Send"),
2480                                    NULL) != G_ALERTALTERNATE)
2481                                 return;
2482                 }
2483         }
2484
2485         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2486                 if (!errstr)
2487                         alertpanel_error_log(_("Some errors occurred while "
2488                                            "sending queued messages."));
2489                 else {
2490                         alertpanel_error_log(_("Some errors occurred "
2491                                         "while sending queued messages:\n%s"), errstr);
2492                         g_free(errstr);
2493                 }
2494         }
2495 }
2496
2497 static void folderview_search_cb(GtkAction *action, gpointer data)
2498 {
2499         FolderView *folderview = (FolderView *)data;
2500         summary_search(folderview->summaryview);
2501 }
2502
2503 static void folderview_run_processing_cb(GtkAction *action, gpointer data)
2504 {
2505         FolderView *folderview = (FolderView *)data;
2506         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2507         FolderItem *item;
2508
2509         if (!folderview->selected) return;
2510
2511         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2512         g_return_if_fail(item != NULL);
2513         g_return_if_fail(item->folder != NULL);
2514
2515         item->processing_pending = TRUE;
2516         folder_item_apply_processing(item);
2517         item->processing_pending = FALSE;
2518 }
2519
2520 static void folderview_property_cb(GtkAction *action, gpointer data)
2521 {
2522         FolderView *folderview = (FolderView *)data;
2523         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2524         FolderItem *item;
2525
2526         if (!folderview->selected) return;
2527
2528         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2529         g_return_if_fail(item != NULL);
2530         g_return_if_fail(item->folder != NULL);
2531
2532         prefs_folder_item_open(item);
2533 }
2534
2535 static void folderview_recollapse_nodes(FolderView *folderview, GtkCMCTreeNode *node)
2536 {
2537         GSList *list = NULL;
2538         GSList *done = NULL;
2539         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2540
2541         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2542                 if (!gtkut_ctree_node_is_parent(GTK_CMCTREE_NODE(list->data), node)
2543                 &&  list->data != node) {
2544                         gtk_cmctree_collapse(ctree, GTK_CMCTREE_NODE(list->data));
2545                         done = g_slist_append(done, GTK_CMCTREE_NODE(list->data));
2546                 }
2547         }
2548         for (list = done; list != NULL; list = g_slist_next(list)) {
2549                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2550                                                                  list->data);
2551         }
2552         g_slist_free(done);
2553 }
2554
2555 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2556                             FolderItem *to_folder, gboolean copy)
2557 {
2558         FolderItem *from_parent = NULL;
2559         FolderItem *new_folder = NULL;
2560         GtkCMCTreeNode *src_node = NULL;
2561         gchar *buf;
2562         gint status;
2563
2564         g_return_if_fail(folderview != NULL);
2565         g_return_if_fail(from_folder != NULL);
2566         g_return_if_fail(to_folder != NULL);
2567
2568         src_node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree), NULL, from_folder);
2569         from_parent = folder_item_parent(from_folder);
2570
2571         if (prefs_common.warn_dnd) {
2572                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s' ?"):
2573                                              _("Do you really want to make folder '%s' a subfolder of '%s' ?"),
2574                                         from_folder->name, to_folder->name);
2575                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2576                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2577                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2578                 g_free(buf);
2579
2580                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2581                         return;
2582                 else if (status & G_ALERTDISABLE)
2583                         prefs_common.warn_dnd = FALSE;
2584         }
2585
2586         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2587                                 from_folder->name, to_folder->name);
2588         STATUSBAR_PUSH(folderview->mainwin, buf);
2589         g_free(buf);
2590         summary_clear_all(folderview->summaryview);
2591         folderview->opened = NULL;
2592         folderview->selected = NULL;
2593         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2594         inc_lock();
2595         main_window_cursor_wait(folderview->mainwin);
2596
2597         statusbar_verbosity_set(FALSE);
2598         folder_item_update_freeze();
2599         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2600                 statusbar_verbosity_set(FALSE);
2601                 main_window_cursor_normal(folderview->mainwin);
2602                 STATUSBAR_POP(folderview->mainwin);
2603                 folder_item_update_thaw();
2604                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2605
2606                 folderview_sort_folders(folderview,
2607                         gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2608                                 NULL, to_folder), new_folder->folder);
2609                 folderview_select(folderview, new_folder);
2610         } else {
2611                 statusbar_verbosity_set(FALSE);
2612                 main_window_cursor_normal(folderview->mainwin);
2613                 STATUSBAR_POP(folderview->mainwin);
2614                 folder_item_update_thaw();
2615                 switch (status) {
2616                 case F_MOVE_FAILED_DEST_IS_PARENT:
2617                         alertpanel_error(_("Source and destination are the same."));
2618                         break;
2619                 case F_MOVE_FAILED_DEST_IS_CHILD:
2620                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2621                                                 _("Can't move a folder to one of its children."));
2622                         break;
2623                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2624                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2625                         break;
2626                 default:
2627                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2628                         break;
2629                 }
2630         }
2631         inc_unlock();
2632         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2633 }
2634
2635 static gint folderview_clist_compare(GtkCMCList *clist,
2636                                      gconstpointer ptr1, gconstpointer ptr2)
2637 {
2638         FolderItem *item1 = ((GtkCMCListRow *)ptr1)->data;
2639         FolderItem *item2 = ((GtkCMCListRow *)ptr2)->data;
2640
2641         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2642         {
2643                 return item1->order - item2->order;
2644         }
2645
2646         // if only one folder has an order it comes first
2647         if (item1->order > 0)
2648         {
2649                 return -1;
2650         }
2651         if (item2->order > 0)
2652         {
2653                 return 1;
2654         }
2655
2656         if (!item1->name)
2657                 return (item2->name != NULL);
2658         if (!item2->name)
2659                 return -1;
2660
2661         return g_utf8_collate(item1->name, item2->name);
2662 }
2663
2664 static void folderview_processing_cb(GtkAction *action, gpointer data)
2665 {
2666         FolderView *folderview = (FolderView *)data;
2667         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2668         FolderItem *item;
2669         gchar *id, *title;
2670
2671         if (!folderview->selected) return;
2672
2673         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2674         g_return_if_fail(item != NULL);
2675         g_return_if_fail(item->folder != NULL);
2676
2677         id = folder_item_get_identifier(item);
2678         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2679         g_free (id);
2680
2681         prefs_filtering_open(&item->prefs->processing, title,
2682                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2683         g_free (title);
2684 }
2685
2686 void folderview_set_target_folder_color(gint color_op)
2687 {
2688         gint firstone = 1;
2689         GList *list;
2690         FolderView *folderview;
2691
2692         for (list = folderview_list; list != NULL; list = list->next) {
2693                 folderview = (FolderView *)list->data;
2694                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2695                 if (firstone) {
2696                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2697                                 folderview->color_op;
2698                         firstone = 0;
2699                 }
2700         }
2701 }
2702
2703 static gchar *last_smallfont = NULL;
2704 static gchar *last_normalfont = NULL;
2705 static gchar *last_boldfont = NULL;
2706 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2707 {
2708         /* force reinit */
2709         g_free(last_smallfont);
2710         last_smallfont = NULL;
2711         g_free(last_normalfont);
2712         last_normalfont = NULL;
2713         g_free(last_boldfont);
2714         last_boldfont = NULL;
2715 }
2716
2717 void folderview_reflect_prefs(void)
2718 {
2719         gboolean update_font = FALSE;
2720         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2721         FolderItem *item = folderview_get_selected_item(folderview);
2722         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2723                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2724         gint height = pos->value;
2725
2726         if (!last_smallfont || strcmp(last_smallfont, SMALL_FONT) ||
2727                         !last_normalfont || strcmp(last_normalfont, NORMAL_FONT) ||
2728                         !last_boldfont || strcmp(last_boldfont, BOLD_FONT))
2729                 update_font = TRUE;
2730
2731         g_free(last_smallfont);
2732         last_smallfont = g_strdup(SMALL_FONT);
2733         g_free(last_normalfont);
2734         last_normalfont = g_strdup(NORMAL_FONT);
2735         g_free(last_boldfont);
2736         last_boldfont = g_strdup(BOLD_FONT);
2737
2738         if (update_font) {
2739                 normal_style = normal_color_style = bold_style =
2740                         bold_color_style = bold_tgtfold_style = NULL;
2741
2742                 folderview_init(folderview);
2743         }
2744         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2745         folderview_column_set_titles(folderview);
2746         folderview_set_all();
2747
2748         g_signal_handlers_block_by_func
2749                 (G_OBJECT(folderview->ctree),
2750                  G_CALLBACK(folderview_selected), folderview);
2751
2752         if (item) {
2753                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(
2754                         GTK_CMCTREE(folderview->ctree), NULL, item);
2755
2756                 folderview_select(folderview, item);
2757                 folderview->open_folder = FALSE;
2758                 folderview->selected = node;
2759         }
2760
2761         g_signal_handlers_unblock_by_func
2762                 (G_OBJECT(folderview->ctree),
2763                  G_CALLBACK(folderview_selected), folderview);
2764
2765         pos = gtk_scrolled_window_get_vadjustment(
2766                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2767         gtk_adjustment_set_value(pos, height);
2768         gtk_adjustment_changed(pos);
2769         gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2770 }
2771
2772 static void drag_state_stop(FolderView *folderview)
2773 {
2774         if (folderview->drag_timer)
2775                 g_source_remove(folderview->drag_timer);
2776         folderview->drag_timer = 0;
2777         folderview->drag_node = NULL;
2778 }
2779
2780 static gint folderview_defer_expand(FolderView *folderview)
2781 {
2782         if (folderview->drag_node) {
2783                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2784                 if (folderview->drag_item->collapsed) {
2785                         gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree), folderview->drag_node);
2786                         folderview->nodes_to_recollapse = g_slist_append
2787                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2788                 }
2789         }
2790         folderview->drag_item  = NULL;
2791         folderview->drag_timer = 0;
2792         return FALSE;
2793 }
2794
2795 static void drag_state_start(FolderView *folderview, GtkCMCTreeNode *node, FolderItem *item)
2796 {
2797         /* the idea is that we call drag_state_start() whenever we want expansion to
2798          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2799          * we need to call drag_state_stop() */
2800         drag_state_stop(folderview);
2801         /* request expansion */
2802         if (0 != (folderview->drag_timer = g_timeout_add
2803                         (prefs_common.hover_timeout,
2804                          (GtkFunction)folderview_defer_expand,
2805                          folderview))) {
2806                 folderview->drag_node = node;
2807                 folderview->drag_item = item;
2808         }
2809 }
2810 #ifndef GENERIC_UMPC
2811 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2812                                   FolderView       *folderview)
2813 {
2814         GdkDragContext *context;
2815
2816         g_return_if_fail(folderview != NULL);
2817         if (folderview->selected == NULL) return;
2818         if (folderview->nodes_to_recollapse)
2819                 g_slist_free(folderview->nodes_to_recollapse);
2820         folderview->nodes_to_recollapse = NULL;
2821         context = gtk_drag_begin(widget, folderview->target_list,
2822                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2823         gtk_drag_set_icon_default(context);
2824 }
2825 #endif
2826 static void folderview_drag_data_get(GtkWidget        *widget,
2827                                      GdkDragContext   *drag_context,
2828                                      GtkSelectionData *selection_data,
2829                                      guint             info,
2830                                      guint             time,
2831                                      FolderView       *folderview)
2832 {
2833         FolderItem *item;
2834         GList *cur;
2835         gchar *source = NULL;
2836         if (info == TARGET_DUMMY) {
2837                 for (cur = GTK_CMCLIST(folderview->ctree)->selection;
2838                      cur != NULL; cur = cur->next) {
2839                         item = gtk_cmctree_node_get_row_data
2840                                 (GTK_CMCTREE(folderview->ctree),
2841                                  GTK_CMCTREE_NODE(cur->data));
2842                         if (item) {
2843                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2844                                 gtk_selection_data_set(selection_data,
2845                                                        selection_data->target, 8,
2846                                                        source, strlen(source));
2847                                 break;
2848                         } else
2849                                 return;
2850                 }
2851         } else {
2852                 g_warning("unknown info %d\n", info);
2853         }
2854 }
2855
2856 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2857 {
2858         FolderUpdateData *hookdata;
2859         FolderView *folderview;
2860         GtkWidget *ctree;
2861
2862         hookdata = source;
2863         folderview = (FolderView *) userdata;
2864         g_return_val_if_fail(hookdata != NULL, FALSE);
2865         g_return_val_if_fail(folderview != NULL, FALSE);
2866
2867         ctree = folderview->ctree;
2868         g_return_val_if_fail(ctree != NULL, FALSE);
2869
2870         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2871                 folderview_create_folder_node(folderview, hookdata->item);
2872         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2873                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree),
2874                                 NULL, folder_item_parent(hookdata->item));
2875                 folderview_sort_folders(folderview, node, hookdata->folder);
2876         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2877                 GtkCMCTreeNode *node;
2878
2879                 node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, hookdata->item);
2880                 if (node != NULL) {
2881                         gtk_cmctree_remove_node(GTK_CMCTREE(ctree), node);
2882                         if (folderview->selected == node)
2883                                 folderview->selected = NULL;
2884                         if (folderview->opened == node)
2885                                 folderview->opened = NULL;
2886                 }
2887         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2888                 folderview_set(folderview);
2889
2890         return FALSE;
2891 }
2892
2893 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2894                                           GdkDragContext *context,
2895                                           gint            x,
2896                                           gint            y,
2897                                           guint           time,
2898                                           FolderView     *folderview)
2899 {
2900         gint row, column;
2901         FolderItem *item = NULL, *src_item = NULL;
2902         GtkCMCTreeNode *node = NULL;
2903         gboolean acceptable = FALSE;
2904         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2905                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2906         int height = (int)pos->page_size;
2907         int total_height = (int)pos->upper;
2908         int vpos = (int) pos->value;
2909         int offset = prefs_common.show_col_headers ? 24:0;
2910
2911         if (gtk_cmclist_get_selection_info
2912                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column)) {
2913                 GtkWidget *srcwidget;
2914
2915                 if (y > height - 24 && height + vpos < total_height) {
2916                         gtk_adjustment_set_value(pos, (vpos+5 > total_height ? total_height : vpos+5));
2917                         gtk_adjustment_changed(pos);
2918                 }
2919                 if (y < 48 && y > 0) {
2920                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2921                         gtk_adjustment_changed(pos);
2922                 }
2923
2924                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
2925                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
2926                 src_item = folderview->summaryview->folder_item;
2927
2928                 srcwidget = gtk_drag_get_source_widget(context);
2929                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2930                         /* comes from summaryview */
2931                         /* we are copying messages, so only accept folder items that are not
2932                            the source item, are no root items and can copy messages */
2933                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2934                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2935                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2936                                 acceptable = TRUE;
2937                 } else if (srcwidget == folderview->ctree) {
2938                         /* comes from folderview */
2939                         /* we are moving folder items, only accept folders that are not
2940                            the source items and can copy messages and create folder items */
2941                         if (item && item->folder && src_item && src_item != item &&
2942                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2943                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2944                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2945                              || item->folder == src_item->folder))
2946                                 acceptable = TRUE;
2947                 } else {
2948                         /* comes from another app */
2949                         /* we are adding messages, so only accept folder items that are
2950                            no root items and can copy messages */
2951                         if (item && item->folder && folder_item_parent(item) != NULL
2952                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2953                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2954                                 acceptable = TRUE;
2955                 }
2956         }
2957
2958         if (acceptable || (src_item && src_item == item))
2959                 drag_state_start(folderview, node, item);
2960
2961         if (acceptable) {
2962                 g_signal_handlers_block_by_func
2963                         (G_OBJECT(widget),
2964                          G_CALLBACK(folderview_selected), folderview);
2965                 gtk_cmctree_select(GTK_CMCTREE(widget), node);
2966                 g_signal_handlers_unblock_by_func
2967                         (G_OBJECT(widget),
2968                          G_CALLBACK(folderview_selected), folderview);
2969                 gdk_drag_status(context,
2970                                         (context->actions == GDK_ACTION_COPY ?
2971                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2972         } else {
2973                 if (folderview->opened)
2974                         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2975                 gdk_drag_status(context, 0, time);
2976         }
2977
2978         return acceptable;
2979 }
2980
2981 static void folderview_drag_leave_cb(GtkWidget      *widget,
2982                                      GdkDragContext *context,
2983                                      guint           time,
2984                                      FolderView     *folderview)
2985 {
2986         drag_state_stop(folderview);
2987         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2988 }
2989
2990 static void free_info (gpointer stuff, gpointer data)
2991 {
2992         g_free(stuff);
2993 }
2994
2995 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2996                            guint time, FolderItem *item)
2997 {
2998         GList *list, *tmp;
2999         GSList *msglist = NULL;
3000         list = uri_list_extract_filenames(data);
3001         if (!(item && item->folder && folder_item_parent(item) != NULL
3002                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
3003         {
3004                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3005                 debug_print("item doesn't fit\n");
3006                 return;
3007         }
3008         if (!list) {
3009                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3010                 debug_print("list is empty\n");
3011                 return;
3012         }
3013         for (tmp = list; tmp != NULL; tmp = tmp->next) {
3014                 MsgFileInfo *info = NULL;
3015
3016                 if (file_is_email((gchar *)tmp->data)) {
3017                         info = g_new0(MsgFileInfo, 1);
3018                         info->msginfo = NULL;
3019                         info->file = (gchar *)tmp->data;
3020                         msglist = g_slist_prepend(msglist, info);
3021                         debug_print("file is a mail\n");
3022                 } else {
3023                         debug_print("file isn't a mail\n");
3024                 }
3025         }
3026         if (msglist) {
3027                 msglist = g_slist_reverse(msglist);
3028                 folder_item_add_msgs(item, msglist, FALSE);
3029                 g_slist_foreach(msglist, free_info, NULL);
3030                 g_slist_free(msglist);
3031                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
3032         } else {
3033                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3034         }
3035         list_free_strings(list);
3036         g_list_free(list);
3037 }
3038
3039 static void folderview_drag_received_cb(GtkWidget        *widget,
3040                                         GdkDragContext   *drag_context,
3041                                         gint              x,
3042                                         gint              y,
3043                                         GtkSelectionData *data,
3044                                         guint             info,
3045                                         guint             time,
3046                                         FolderView       *folderview)
3047 {
3048         gint row, column;
3049         FolderItem *item = NULL, *src_item;
3050         GtkCMCTreeNode *node;
3051         int offset = prefs_common.show_col_headers ? 24:0;
3052
3053         if (info == TARGET_DUMMY) {
3054                 drag_state_stop(folderview);
3055                 if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
3056                         /* comes from summaryview */
3057                         if (gtk_cmclist_get_selection_info
3058                                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3059                                 return;
3060
3061                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3062                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3063                         src_item = folderview->summaryview->folder_item;
3064
3065                         if (item->no_select) {
3066                                 alertpanel_error(_("The destination folder can only be used to "
3067                                                    "store subfolders."));
3068                                 return;
3069                         }
3070                         /* re-check (due to acceptable possibly set for folder moves */
3071                         if (!(item && item->folder && item->path && !item->no_select &&
3072                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3073                                 return;
3074                         }
3075                         if (item && src_item) {
3076                                 switch (drag_context->action) {
3077                                 case GDK_ACTION_COPY:
3078                                         summary_copy_selected_to(folderview->summaryview, item);
3079                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
3080                                         break;
3081                                 case GDK_ACTION_MOVE:
3082                                 case GDK_ACTION_DEFAULT:
3083                                 default:
3084                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3085                                                 summary_copy_selected_to(folderview->summaryview, item);
3086                                         else
3087                                                 summary_move_selected_to(folderview->summaryview, item);
3088                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3089                                 }
3090                         } else
3091                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3092                 } else {
3093                         /* comes from folderview */
3094                         char *source;
3095                         gboolean folder_is_normal = TRUE;
3096                         gboolean copy = (drag_context->action == GDK_ACTION_COPY);
3097
3098                         source = data->data + 17;
3099                         if (gtk_cmclist_get_selection_info
3100                             (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0
3101                             || *source == 0) {
3102                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3103                                 return;
3104                         }
3105                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3106                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3107                         src_item = folder_find_item_from_identifier(source);
3108
3109                         folder_is_normal =
3110                                 src_item != NULL &&
3111                                 src_item->stype == F_NORMAL &&
3112                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3113                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3114                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3115                                 !folder_has_parent_of_type(src_item, F_TRASH);
3116                         if (!item || !src_item || !folder_is_normal) {
3117                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3118                                 return;
3119                         }
3120
3121                         folderview_move_folder(folderview, src_item, item, copy);
3122                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3123                 }
3124                 folderview->nodes_to_recollapse = NULL;
3125         } else if (info == TARGET_MAIL_URI_LIST) {
3126                 if (gtk_cmclist_get_selection_info
3127                         (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3128                         return;
3129
3130                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3131                 if (!node) {
3132                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3133                         debug_print("no node\n");
3134                         return;
3135                 }
3136                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3137                 if (!item) {
3138                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3139                         debug_print("no item\n");
3140                         return;
3141                 }
3142                 folderview_finish_dnd(data->data, drag_context, time, item);
3143         }
3144 }
3145
3146 static void folderview_drag_end_cb(GtkWidget        *widget,
3147                                    GdkDragContext   *drag_context,
3148                                    FolderView       *folderview)
3149 {
3150         drag_state_stop(folderview);
3151         g_slist_free(folderview->nodes_to_recollapse);
3152         folderview->nodes_to_recollapse = NULL;
3153 }
3154
3155 void folderview_register_popup(FolderViewPopup *fpopup)
3156 {
3157         GList *folderviews;
3158
3159         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3160                 FolderView *folderview = folderviews->data;
3161                 GtkActionGroup *factory;
3162
3163                 factory = create_action_group(folderview, fpopup);
3164                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3165         }
3166         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3167 }
3168
3169 void folderview_unregister_popup(FolderViewPopup *fpopup)
3170 {
3171         GList *folderviews;
3172
3173
3174         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3175                 FolderView *folderview = folderviews->data;
3176
3177                 g_hash_table_remove(folderview->popups, fpopup->klass);
3178         }
3179         g_hash_table_remove(folderview_popups, fpopup->klass);
3180 }