src/folderview.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2018 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 #include "defs.h"
  20
  21 #include <glib.h>
  22 #include <glib/gi18n.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtk.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <stdlib.h>
  28
  29 #include "main.h"
  30 #include "mainwindow.h"
  31 #include "folderview.h"
  32 #include "summaryview.h"
  33 #include "summary_search.h"
  34 #include "inputdialog.h"
  35 #include "manage_window.h"
  36 #include "alertpanel.h"
  37 #include "menu.h"
  38 #include "stock_pixmap.h"
  39 #include "procmsg.h"
  40 #include "utils.h"
  41 #include "gtkutils.h"
  42 #include "prefs_common.h"
  43 #include "prefs_account.h"
  44 #include "prefs_filtering.h"
  45 #include "prefs_folder_item.h"
  46 #include "account.h"
  47 #include "folder.h"
  48 #include "foldersel.h"
  49 #include "inc.h"
  50 #include "statusbar.h"
  51 #include "hooks.h"
  52 #include "folderutils.h"
  53 #include "partial_download.h"
  54 #include "prefs_folder_column.h"
  55 #include "filtering.h"
  56 #include "quicksearch.h"
  57 #include "manual.h"
  58 #include "timing.h"
  59 #include "log.h"
  60 #include "gtkcmctree.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 GdkPixbuf *inboxxpm;
  74 static GdkPixbuf *inboxhrmxpm;
  75 static GdkPixbuf *inboxopenxpm;
  76 static GdkPixbuf *inboxopenhrmxpm;
  77 static GdkPixbuf *outboxxpm;
  78 static GdkPixbuf *outboxhrmxpm;
  79 static GdkPixbuf *outboxopenxpm;
  80 static GdkPixbuf *outboxopenhrmxpm;
  81 static GdkPixbuf *folderxpm;
  82 static GdkPixbuf *folderhrmxpm;
  83 static GdkPixbuf *folderopenxpm;
  84 static GdkPixbuf *folderopenhrmxpm;
  85 static GdkPixbuf *trashopenxpm;
  86 static GdkPixbuf *trashopenhrmxpm;
  87 static GdkPixbuf *trashxpm;
  88 static GdkPixbuf *trashhrmxpm;
  89 static GdkPixbuf *queuexpm;
  90 static GdkPixbuf *queuehrmxpm;
  91 static GdkPixbuf *queueopenxpm;
  92 static GdkPixbuf *queueopenhrmxpm;
  93 static GdkPixbuf *draftsxpm;
  94 static GdkPixbuf *draftsopenxpm;
  95 static GdkPixbuf *foldersubsxpm;
  96 static GdkPixbuf *foldersubsopenxpm;
  97 static GdkPixbuf *foldernoselectxpm;
  98 static GdkPixbuf *foldernoselectopenxpm;
  99
 100 static GdkPixbuf *m_inboxxpm;
 101 static GdkPixbuf *m_inboxhrmxpm;
 102 static GdkPixbuf *m_inboxopenxpm;
 103 static GdkPixbuf *m_inboxopenhrmxpm;
 104 static GdkPixbuf *m_outboxxpm;
 105 static GdkPixbuf *m_outboxhrmxpm;
 106 static GdkPixbuf *m_outboxopenxpm;
 107 static GdkPixbuf *m_outboxopenhrmxpm;
 108 static GdkPixbuf *m_folderxpm;
 109 static GdkPixbuf *m_folderhrmxpm;
 110 static GdkPixbuf *m_folderopenxpm;
 111 static GdkPixbuf *m_folderopenhrmxpm;
 112 static GdkPixbuf *m_trashopenxpm;
 113 static GdkPixbuf *m_trashopenhrmxpm;
 114 static GdkPixbuf *m_trashxpm;
 115 static GdkPixbuf *m_trashhrmxpm;
 116 static GdkPixbuf *m_queuexpm;
 117 static GdkPixbuf *m_queuehrmxpm;
 118 static GdkPixbuf *m_queueopenxpm;
 119 static GdkPixbuf *m_queueopenhrmxpm;
 120 static GdkPixbuf *m_draftsxpm;
 121 static GdkPixbuf *m_draftsopenxpm;
 122 static GdkPixbuf *m_foldersubsxpm;
 123 static GdkPixbuf *m_foldernoselectxpm;
 124
 125 static GdkPixbuf *newxpm;
 126 static GdkPixbuf *unreadxpm;
 127 static GdkPixbuf *readxpm;
 128
 129 static void folderview_select_node       (FolderView    *folderview,
 130                                           GtkCMCTreeNode        *node);
 131 static void folderview_set_folders       (FolderView    *folderview);
 132 static void folderview_sort_folders      (FolderView    *folderview,
 133                                           GtkCMCTreeNode        *root,
 134                                           Folder        *folder);
 135 static void folderview_append_folder     (FolderView    *folderview,
 136                                           Folder        *folder);
 137 static void folderview_update_node       (FolderView    *folderview,
 138                                           GtkCMCTreeNode        *node);
 139
 140 static gint folderview_clist_compare    (GtkCMCList     *clist,
 141                                          gconstpointer   ptr1,
 142                                          gconstpointer   ptr2);
 143
 144 /* callback functions */
 145 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 146                                                  GdkEventButton *event,
 147                                                  FolderView     *folderview);
 148 static gboolean folderview_button_released      (GtkWidget      *ctree,
 149                                                  GdkEventButton *event,
 150                                                  FolderView     *folderview);
 151 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 152                                          GdkEventKey    *event,
 153                                          FolderView     *folderview);
 154 static void folderview_selected         (GtkCMCTree     *ctree,
 155                                          GtkCMCTreeNode *row,
 156                                          gint            column,
 157                                          FolderView     *folderview);
 158 static void folderview_tree_expanded    (GtkCMCTree     *ctree,
 159                                          GtkCMCTreeNode *node,
 160                                          FolderView     *folderview);
 161 static void folderview_tree_collapsed   (GtkCMCTree     *ctree,
 162                                          GtkCMCTreeNode *node,
 163                                          FolderView     *folderview);
 164 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 165                                          FolderView     *folderview);
 166 static void folderview_col_resized      (GtkCMCList     *clist,
 167                                          gint            column,
 168                                          gint            width,
 169                                          FolderView     *folderview);
 170
 171 static void mark_all_read_unread_handler        (GtkAction      *action,
 172                                          gpointer        data,
 173                                          gboolean        recursive,
 174                                          gboolean        read);
 175
 176 static void mark_all_read_cb            (GtkAction      *action,
 177                                          gpointer        data);
 178 static void mark_all_unread_cb            (GtkAction    *action,
 179                                          gpointer        data);
 180 static void mark_all_read_recursive_cb  (GtkAction      *action,
 181                                          gpointer        data);
 182 static void mark_all_unread_recursive_cb  (GtkAction    *action,
 183                                          gpointer        data);
 184
 185 static void folderview_empty_trash_cb   (GtkAction      *action,
 186                                          gpointer        data);
 187
 188 static void folderview_send_queue_cb    (GtkAction      *action,
 189                                          gpointer        data);
 190
 191 static void folderview_search_cb        (GtkAction      *action,
 192                                          gpointer        data);
 193 static void folderview_run_processing_cb(GtkAction      *action,
 194                                          gpointer        data);
 195
 196 static void folderview_property_cb      (GtkAction      *action,
 197                                          gpointer        data);
 198
 199 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 200                                           GdkDragContext *context,
 201                                           gint            x,
 202                                           gint            y,
 203                                           guint           time,
 204                                           FolderView     *folderview);
 205 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 206                                           GdkDragContext   *context,
 207                                           guint             time,
 208                                           FolderView       *folderview);
 209 static void folderview_drag_received_cb  (GtkWidget        *widget,
 210                                           GdkDragContext   *drag_context,
 211                                           gint              x,
 212                                           gint              y,
 213                                           GtkSelectionData *data,
 214                                           guint             info,
 215                                           guint             time,
 216                                           FolderView       *folderview);
 217 #ifndef GENERIC_UMPC
 218 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 219                                           FolderView       *folderview);
 220 #endif
 221 static void folderview_drag_data_get     (GtkWidget        *widget,
 222                                           GdkDragContext   *drag_context,
 223                                           GtkSelectionData *selection_data,
 224                                           guint             info,
 225                                           guint             time,
 226                                           FolderView       *folderview);
 227 static void folderview_drag_end_cb       (GtkWidget        *widget,
 228                                           GdkDragContext   *drag_context,
 229                                           FolderView       *folderview);
 230
 231 static void folderview_create_folder_node       (FolderView       *folderview,
 232                                           FolderItem       *item);
 233 static gboolean folderview_update_folder         (gpointer          source,
 234                                           gpointer          userdata);
 235 static gboolean folderview_update_item_claws     (gpointer          source,
 236                                           gpointer          data);
 237 static void folderview_processing_cb(GtkAction *action, gpointer data);
 238 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 239                                 GdkEventButton *event);
 240
 241 GHashTable *folderview_popups;
 242
 243 static GtkActionEntry folderview_common_popup_entries[] =
 244 {
 245         {"FolderViewPopup",                  NULL, "FolderViewPopup", NULL, NULL , NULL},
 246         {"FolderViewPopup/MarkAllRead",      NULL, N_("Mark all re_ad"), NULL, NULL, G_CALLBACK(mark_all_read_cb) },
 247         {"FolderViewPopup/MarkAllUnread",    NULL, N_("Mark all u_nread"), NULL, NULL, G_CALLBACK(mark_all_unread_cb) },
 248         {"FolderViewPopup/MarkAllReadRec",   NULL, N_("Mark all read recursi_vely"), NULL, NULL, G_CALLBACK(mark_all_read_recursive_cb) },
 249         {"FolderViewPopup/MarkAllUnreadRec", NULL, N_("Mark all unread recursi_vely"), NULL, NULL, G_CALLBACK(mark_all_unread_recursive_cb) },
 250         {"FolderViewPopup/---",              NULL, "---", NULL, NULL , NULL},
 251         {"FolderViewPopup/RunProcessing",    NULL, N_("R_un processing rules"), NULL, NULL, G_CALLBACK(folderview_run_processing_cb) },
 252         {"FolderViewPopup/SearchFolder",     NULL, N_("_Search folder..."), NULL, NULL, G_CALLBACK(folderview_search_cb) },
 253         {"FolderViewPopup/Properties",       NULL, N_("_Properties..."), NULL, NULL, G_CALLBACK(folderview_property_cb) },
 254         {"FolderViewPopup/Processing",       NULL, N_("Process_ing..."), NULL, NULL, G_CALLBACK(folderview_processing_cb) },
 255         {"FolderViewPopup/EmptyTrash",       NULL, N_("Empty _trash..."), NULL, NULL, G_CALLBACK(folderview_empty_trash_cb) },
 256         {"FolderViewPopup/SendQueue",        NULL, N_("Send _queue..."), NULL, NULL, G_CALLBACK(folderview_send_queue_cb) },
 257
 258 };
 259
 260 GtkTargetEntry folderview_drag_types[] =
 261 {
 262         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 263         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 264 };
 265
 266 void folderview_initialize(void)
 267 {
 268         FolderViewPopup *fpopup;
 269
 270         fpopup = g_new0(FolderViewPopup, 1);
 271
 272         fpopup->klass = "common";
 273         fpopup->path = "<CommonFolder>";
 274         fpopup->entries = folderview_common_popup_entries;
 275         fpopup->n_entries = G_N_ELEMENTS(folderview_common_popup_entries);
 276         fpopup->set_sensitivity = NULL;
 277
 278         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 279         g_hash_table_insert(folderview_popups, "common", fpopup);
 280 }
 281
 282 static GtkActionGroup *create_action_group(FolderView *folderview, FolderViewPopup *fpopup)
 283 {
 284         FolderViewPopup *fpopup_common;
 285         GtkActionGroup *action_group;
 286
 287         action_group = cm_menu_create_action_group(
 288                                 fpopup->path,
 289                                 fpopup->entries, fpopup->n_entries,
 290                                 (gpointer)folderview);
 291
 292         if (fpopup->toggle_entries)
 293                 gtk_action_group_add_toggle_actions(action_group, fpopup->toggle_entries,
 294                                 fpopup->n_toggle_entries,
 295                                 (gpointer)folderview);
 296         if (fpopup->radio_entries)
 297                 gtk_action_group_add_radio_actions(action_group, fpopup->radio_entries,
 298                                 fpopup->n_radio_entries, fpopup->radio_default,
 299                                 G_CALLBACK(fpopup->radio_callback),
 300                                 (gpointer)folderview);
 301
 302         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 303         if (fpopup_common != fpopup) {
 304                 gtk_action_group_add_actions(action_group, fpopup_common->entries,
 305                                 fpopup_common->n_entries,
 306                                 (gpointer)folderview);
 307                 if (fpopup_common->toggle_entries)
 308                         gtk_action_group_add_toggle_actions(action_group, fpopup_common->toggle_entries,
 309                                         fpopup_common->n_toggle_entries,
 310                                         (gpointer)folderview);
 311                 if (fpopup_common->radio_entries)
 312                         gtk_action_group_add_radio_actions(action_group, fpopup_common->radio_entries,
 313                                         fpopup_common->n_radio_entries, fpopup_common->radio_default,
 314                                         G_CALLBACK(fpopup_common->radio_callback),
 315                                         (gpointer)folderview);
 316         }
 317
 318         return action_group;
 319 }
 320
 321 static void create_action_groups(gpointer key, gpointer value, gpointer data)
 322 {
 323         FolderView *folderview = data;
 324         FolderViewPopup *fpopup = value;
 325         GtkActionGroup *group;
 326
 327         group = create_action_group(folderview, fpopup);
 328         g_hash_table_insert(folderview->popups, fpopup->klass, group);
 329 }
 330
 331 static void folderview_column_set_titles(FolderView *folderview)
 332 {
 333         GtkWidget *ctree = folderview->ctree;
 334         GtkWidget *label_folder;
 335         GtkWidget *label_new;
 336         GtkWidget *label_unread;
 337         GtkWidget *label_total;
 338         GtkWidget *hbox_folder;
 339         GtkWidget *hbox_new;
 340         GtkWidget *hbox_unread;
 341         GtkWidget *hbox_total;
 342         gint *col_pos = folderview->col_pos;
 343
 344         debug_print("setting titles...\n");
 345         gtk_widget_realize(folderview->ctree);
 346         gtk_widget_show_all(folderview->scrolledwin);
 347
 348         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 349          * instead text (text overflows making them unreadable and ugly) */
 350         stock_pixbuf_gdk(STOCK_PIXMAP_NEW, &newxpm);
 351         stock_pixbuf_gdk(STOCK_PIXMAP_UNREAD, &unreadxpm);
 352         stock_pixbuf_gdk(STOCK_PIXMAP_READ, &readxpm);
 353
 354         label_folder = gtk_label_new(_("Folder"));
 355         label_new = gtk_image_new_from_pixbuf(newxpm);
 356         label_unread = gtk_image_new_from_pixbuf(unreadxpm);
 357         label_total = gtk_image_new_from_pixbuf(readxpm);
 358
 359         gtk_cmclist_column_titles_active(GTK_CMCLIST(ctree));
 360
 361         hbox_folder = gtk_hbox_new(FALSE, 4);
 362         hbox_new = gtk_hbox_new(FALSE, 4);
 363         hbox_unread = gtk_hbox_new(FALSE, 4);
 364         hbox_total = gtk_hbox_new(FALSE, 4);
 365
 366         /* left justified */
 367         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 368         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 369         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 370         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 371         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 372         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 373         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 374         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 375
 376         gtk_widget_show_all(hbox_folder);
 377         gtk_widget_show_all(hbox_new);
 378         gtk_widget_show_all(hbox_unread);
 379         gtk_widget_show_all(hbox_total);
 380
 381 #ifdef GENERIC_UMPC
 382         gtk_widget_set_size_request(hbox_new, -1, 20);
 383         gtk_widget_set_size_request(hbox_unread, -1, 20);
 384         gtk_widget_set_size_request(hbox_total, -1, 20);
 385 #endif
 386
 387         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 388         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 389         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 390         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 391
 392 #ifdef GENERIC_UMPC
 393         GTK_EVENTS_FLUSH();
 394 #endif
 395
 396         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 397         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 398         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 399 }
 400
 401 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 402 {
 403         FolderView *folderview = (FolderView *)data;
 404         GdkEventButton event;
 405         if (folderview_get_selected_item(folderview) == NULL)
 406                 return FALSE;
 407
 408         event.button = 3;
 409         event.time = gtk_get_current_event_time();
 410
 411         folderview_set_sens_and_popup_menu(folderview, -1,
 412                                 &event);
 413
 414         return TRUE;
 415 }
 416
 417
 418 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 419 {
 420         GtkWidget *ctree;
 421         gint *col_pos;
 422         FolderColumnState *col_state;
 423         FolderColumnType type;
 424         gchar *titles[N_FOLDER_COLS];
 425         gint i;
 426         GtkWidget *scrolledwin = folderview->scrolledwin;
 427
 428         debug_print("creating tree...\n");
 429         memset(titles, 0, sizeof(titles));
 430
 431         col_state = prefs_folder_column_get_config();
 432         memset(titles, 0, sizeof(titles));
 433
 434         col_pos = folderview->col_pos;
 435
 436         for (i = 0; i < N_FOLDER_COLS; i++) {
 437                 folderview->col_state[i] = col_state[i];
 438                 type = col_state[i].type;
 439                 col_pos[type] = i;
 440         }
 441
 442         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 443         titles[col_pos[F_COL_NEW]]    = _("New");
 444         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 445         /* TRANSLATORS: This in Number sign in American style */
 446         titles[col_pos[F_COL_TOTAL]]  = _("#");
 447
 448         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 449                                            titles);
 450
 451         if (prefs_common.show_col_headers == FALSE)
 452                 gtk_cmclist_column_titles_hide(GTK_CMCLIST(ctree));
 453
 454
 455         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_BROWSE);
 456         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree), col_pos[F_COL_NEW],
 457                                            GTK_JUSTIFY_RIGHT);
 458         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 459                                            col_pos[F_COL_UNREAD],
 460                                            GTK_JUSTIFY_RIGHT);
 461         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 462                                            col_pos[F_COL_TOTAL],
 463                                            GTK_JUSTIFY_RIGHT);
 464         gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
 465                              GTK_CMCTREE_EXPANDER_TRIANGLE);
 466
 467         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 468         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 469
 470         gtk_cmctree_set_indent(GTK_CMCTREE(ctree), CTREE_INDENT);
 471         gtk_cmclist_set_compare_func(GTK_CMCLIST(ctree), folderview_clist_compare);
 472
 473         /* don't let title buttons take key focus */
 474         for (i = 0; i < N_FOLDER_COLS; i++) {
 475                 gtk_widget_set_can_focus(GTK_CMCLIST(ctree)->column[i].button, FALSE);
 476                 gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), col_pos[i],
 477                                    prefs_common.folder_col_size[i]);
 478                 gtk_cmclist_set_column_visibility
 479                         (GTK_CMCLIST(ctree), i, col_state[i].visible);
 480         }
 481
 482         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 483                          G_CALLBACK(folderview_key_pressed),
 484                          folderview);
 485         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 486                          G_CALLBACK(folderview_button_pressed),
 487                          folderview);
 488         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 489                          G_CALLBACK(folderview_popup_menu), folderview);
 490         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 491                          G_CALLBACK(folderview_button_released),
 492                          folderview);
 493         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 494                          G_CALLBACK(folderview_selected), folderview);
 495 #ifndef GENERIC_UMPC
 496         /* drag-n-dropping folders on maemo is impractical as this
 497          * opens the folder almost everytime */
 498         g_signal_connect(G_OBJECT(ctree), "start_drag",
 499                          G_CALLBACK(folderview_start_drag), folderview);
 500 #endif
 501         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 502                          G_CALLBACK(folderview_drag_data_get),
 503                          folderview);
 504
 505         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 506                                G_CALLBACK(folderview_tree_expanded),
 507                                folderview);
 508         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 509                                G_CALLBACK(folderview_tree_collapsed),
 510                                folderview);
 511
 512         g_signal_connect(G_OBJECT(ctree), "resize_column",
 513                          G_CALLBACK(folderview_col_resized),
 514                          folderview);
 515
 516         /* drop callback */
 517         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 518                           folderview_drag_types, 2,
 519                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 520         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 521                          G_CALLBACK(folderview_drag_motion_cb),
 522                          folderview);
 523         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 524                          G_CALLBACK(folderview_drag_leave_cb),
 525                          folderview);
 526         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 527                          G_CALLBACK(folderview_drag_received_cb),
 528                          folderview);
 529         g_signal_connect(G_OBJECT(ctree), "drag_end",
 530                          G_CALLBACK(folderview_drag_end_cb),
 531                          folderview);
 532
 533         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 534
 535         return ctree;
 536 }
 537
 538 void folderview_set_column_order(FolderView *folderview)
 539 {
 540         GtkWidget *ctree = folderview->ctree;
 541         FolderItem *item = folderview_get_selected_item(folderview);
 542         FolderItem *sel_item = NULL, *op_item = NULL;
 543         GtkWidget *scrolledwin = folderview->scrolledwin;
 544
 545         if (folderview->drag_timer_id != 0) {
 546                 g_source_remove(folderview->drag_timer_id);
 547                 folderview->drag_timer_id = 0;
 548         }
 549         if (folderview->deferred_refresh_id != 0) {
 550                 g_source_remove(folderview->deferred_refresh_id);
 551                 folderview->deferred_refresh_id = 0;
 552         }
 553         if (folderview->scroll_timeout_id != 0) {
 554                 g_source_remove(folderview->scroll_timeout_id);
 555                 folderview->scroll_timeout_id = 0;
 556         }
 557         if (folderview->postpone_select_id != 0) {
 558                 g_source_remove(folderview->postpone_select_id);
 559                 folderview->postpone_select_id = 0;
 560         }
 561
 562         if (folderview->selected)
 563                 sel_item = folderview_get_selected_item(folderview);
 564         if (folderview->opened)
 565                 op_item = folderview_get_opened_item(folderview);
 566
 567         debug_print("recreating tree...\n");
 568         gtk_widget_destroy(folderview->ctree);
 569
 570
 571         folderview->ctree = ctree = folderview_ctree_create(folderview);
 572         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 573                                             GTK_CMCLIST(ctree)->hadjustment);
 574         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 575                                             GTK_CMCLIST(ctree)->vadjustment);
 576         gtk_widget_show(ctree);
 577
 578         if (sel_item)
 579                 folderview->selected = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, sel_item);
 580         if (op_item)
 581                 folderview->opened = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, op_item);
 582
 583         folderview_set(folderview);
 584         folderview_column_set_titles(folderview);
 585
 586         folderview_select(folderview,item);
 587 }
 588
 589 FolderView *folderview_create(void)
 590 {
 591         FolderView *folderview;
 592         GtkWidget *scrolledwin;
 593         GtkWidget *ctree;
 594
 595         debug_print("Creating folder view...\n");
 596         folderview = g_new0(FolderView, 1);
 597
 598         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 599         gtk_scrolled_window_set_policy
 600                 (GTK_SCROLLED_WINDOW(scrolledwin),
 601                  GTK_POLICY_AUTOMATIC,
 602                  prefs_common.folderview_vscrollbar_policy);
 603         gtk_widget_set_size_request(scrolledwin,
 604                              prefs_common.folderview_width,
 605                              prefs_common.folderview_height);
 606
 607         folderview->scrolledwin  = scrolledwin;
 608         ctree = folderview_ctree_create(folderview);
 609
 610         /* create popup factories */
 611         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 612         g_hash_table_foreach(folderview_popups, create_action_groups, folderview);
 613
 614         folderview->ctree        = ctree;
 615
 616         folderview->folder_update_callback_id =
 617                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 618         folderview->folder_item_update_callback_id =
 619                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 620
 621         gtk_widget_show_all(scrolledwin);
 622
 623         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 624         folderview_list = g_list_append(folderview_list, folderview);
 625
 626         folderview->drag_timer_id       = 0;
 627         folderview->deferred_refresh_id = 0;
 628         folderview->scroll_timeout_id   = 0;
 629         folderview->postpone_select_id  = 0;
 630
 631         return folderview;
 632 }
 633
 634 void folderview_init(FolderView *folderview)
 635 {
 636         GtkWidget *ctree = folderview->ctree;
 637         GdkColor gdk_color;
 638         PangoFontDescription *normal_font;
 639
 640         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm);
 641         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm);
 642         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm);
 643         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm);
 644         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm);
 645         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm);
 646         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm);
 647         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm);
 648         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE, &folderxpm);
 649         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm);
 650         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN, &folderopenxpm);
 651         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm);
 652         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm);
 653         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm);
 654         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE, &trashxpm);
 655         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm);
 656         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm);
 657         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm);
 658         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm);
 659         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm);
 660         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm);
 661         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm);
 662         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_SUBS_OPEN, &foldersubsopenxpm);
 663         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_SUBS_CLOSE, &foldersubsxpm);
 664         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_OPEN, &foldernoselectopenxpm);
 665         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE, &foldernoselectxpm);
 666
 667         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm);
 668         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm);
 669         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm);
 670         stock_pixbuf_gdk(STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm);
 671         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm);
 672         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm);
 673         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm);
 674         stock_pixbuf_gdk(STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm);
 675         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm);
 676         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm);
 677         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm);
 678         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm);
 679         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm);
 680         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm);
 681         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm);
 682         stock_pixbuf_gdk(STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm);
 683         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm);
 684         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm);
 685         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm);
 686         stock_pixbuf_gdk(STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm);
 687         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm);
 688         stock_pixbuf_gdk(STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm);
 689         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_SUBS_CLOSE_MARK, &m_foldersubsxpm);
 690         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE_MARK, &m_foldernoselectxpm);
 691
 692         normal_font = pango_font_description_from_string(NORMAL_FONT);
 693         if (normal_font) {
 694                 gtk_widget_modify_font(ctree, normal_font);
 695                 pango_font_description_free(normal_font);
 696         }
 697         gtk_cmclist_set_row_height(GTK_CMCLIST(ctree), 0);
 698
 699         if (!normal_style) {
 700                 PangoFontDescription *font_desc;
 701                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 702                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 703                 if (font_desc) {
 704                         if (normal_style->font_desc)
 705                                 pango_font_description_free
 706                                         (normal_style->font_desc);
 707                         normal_style->font_desc = font_desc;
 708                 }
 709                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_NEW], &gdk_color);
 710                 normal_color_style = gtk_style_copy(normal_style);
 711                 normal_color_style->text[GTK_STATE_NORMAL] = gdk_color;
 712         }
 713
 714         if (!bold_style) {
 715                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_NEW], &gdk_color);
 716                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 717                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 718                         PangoFontDescription *font_desc;
 719                         font_desc = pango_font_description_from_string(NORMAL_FONT);
 720                         if (font_desc) {
 721                                 pango_font_description_free(bold_style->font_desc);
 722                                 bold_style->font_desc = font_desc;
 723                         }
 724                         pango_font_description_set_weight
 725                                 (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 726                 } else {
 727                         PangoFontDescription *font_desc;
 728                         font_desc = pango_font_description_from_string(BOLD_FONT);
 729                         if (font_desc) {
 730                                 if (bold_style->font_desc)
 731                                         pango_font_description_free
 732                                                 (bold_style->font_desc);
 733                                 bold_style->font_desc = font_desc;
 734                         }
 735                 }
 736                 bold_color_style = gtk_style_copy(bold_style);
 737                 bold_color_style->text[GTK_STATE_NORMAL] = gdk_color;
 738
 739                 bold_tgtfold_style = gtk_style_copy(bold_style);
 740                 bold_tgtfold_style->text[GTK_STATE_NORMAL] = folderview->color_op;
 741         }
 742 }
 743
 744 static gboolean folderview_defer_set(gpointer data)
 745 {
 746         FolderView *folderview = (FolderView *)data;
 747         MainWindow *mainwin = folderview->mainwin;
 748
 749         if (!mainwin)
 750                 return FALSE;
 751         if (mainwin->lock_count)
 752                 return TRUE;
 753
 754         debug_print("doing deferred folderview_set now\n");
 755         folderview_set(folderview);
 756
 757         folderview->deferred_refresh_id = 0;
 758         return FALSE;
 759 }
 760
 761 void folderview_set(FolderView *folderview)
 762 {
 763         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 764         MainWindow *mainwin = folderview->mainwin;
 765         FolderItem *sel_item = NULL, *op_item = NULL;
 766
 767         if (!mainwin)
 768                 return;
 769
 770         if (mainwin->lock_count) {
 771                 if (folderview->deferred_refresh_id == 0)
 772                         folderview->deferred_refresh_id =
 773                                 g_timeout_add(500, folderview_defer_set, folderview);
 774                 debug_print("deferred folderview_set\n");
 775                 return;
 776         }
 777
 778         inc_lock();
 779         debug_print("Setting folder info...\n");
 780         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 781
 782         main_window_cursor_wait(mainwin);
 783
 784         if (folderview->selected)
 785                 sel_item = folderview_get_selected_item(folderview);
 786         if (folderview->opened)
 787                 op_item = folderview_get_opened_item(folderview);
 788
 789         folderview->selected = NULL;
 790         folderview->opened = NULL;
 791
 792         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 793         gtk_cmclist_clear(GTK_CMCLIST(ctree));
 794
 795         folderview_set_folders(folderview);
 796
 797         if (sel_item)
 798                 folderview->selected = gtk_cmctree_find_by_row_data(ctree, NULL, sel_item);
 799         if (op_item)
 800                 folderview->opened = gtk_cmctree_find_by_row_data(ctree, NULL, op_item);
 801
 802         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 803         main_window_cursor_normal(mainwin);
 804         STATUSBAR_POP(mainwin);
 805         inc_unlock();
 806 }
 807
 808 void folderview_set_all(void)
 809 {
 810         GList *list;
 811
 812         for (list = folderview_list; list != NULL; list = list->next)
 813                 folderview_set((FolderView *)list->data);
 814 }
 815
 816 void folderview_select(FolderView *folderview, FolderItem *item)
 817 {
 818         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 819         GtkCMCTreeNode *node;
 820         GtkCMCTreeNode *old_selected = folderview->selected;
 821
 822         if (!item) return;
 823
 824         node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
 825         if (node) folderview_select_node(folderview, node);
 826
 827         if (old_selected != node)
 828                 folder_update_op_count();
 829 }
 830
 831 static void mark_all_read_cb(GtkAction *action, gpointer data)
 832 {
 833         mark_all_read_unread_handler(action, data, FALSE, TRUE);
 834 }
 835
 836 static void mark_all_unread_cb(GtkAction *action, gpointer data)
 837 {
 838         mark_all_read_unread_handler(action, data, FALSE, FALSE);
 839 }
 840
 841 static void mark_all_read_recursive_cb(GtkAction *action, gpointer data)
 842 {
 843         mark_all_read_unread_handler(action, data, TRUE, TRUE);
 844 }
 845
 846 static void mark_all_unread_recursive_cb(GtkAction *action, gpointer data)
 847 {
 848         mark_all_read_unread_handler(action, data, TRUE, FALSE);
 849 }
 850
 851 static void mark_all_read_unread_handler(GtkAction *action, gpointer data,
 852                                                 gboolean recursive, gboolean read)
 853 {
 854         FolderView *folderview = (FolderView *)data;
 855         FolderItem *item;
 856         AlertValue val;
 857         gchar *message;
 858         gchar *title;
 859
 860         item = folderview_get_selected_item(folderview);
 861         if (item == NULL)
 862                 return;
 863
 864         if (read) {
 865                 title = _("Mark all as read");
 866                 message = recursive? _("Do you really want to mark all mails in this "
 867                                                         "folder and its sub-folders as read?") :
 868                                                         _("Do you really want to mark all mails in this "
 869                                                         "folder as read?");
 870         } else {
 871                 title = _("Mark all as unread");
 872                 message = recursive? _("Do you really want to mark all mails in this "
 873                                                         "folder and its sub-folders as unread?") :
 874                                                         _("Do you really want to mark all mails in this "
 875                                                         "folder as unread?");
 876         }
 877         if (prefs_common.ask_mark_all_read) {
 878                 val = alertpanel_full(title, message,
 879                           GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST,
 880                           TRUE, NULL, ALERT_QUESTION);
 881
 882                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 883                         return;
 884                 else if (val & G_ALERTDISABLE)
 885                         prefs_common.ask_mark_all_read = FALSE;
 886         }
 887
 888         folder_item_update_freeze();
 889         if (folderview->summaryview->folder_item != item && !recursive)
 890                 summary_lock(folderview->summaryview);
 891         else
 892                 summary_freeze(folderview->summaryview);
 893
 894         if (read) {
 895                 if (recursive)
 896                         folderutils_mark_all_read_recursive(item, TRUE);
 897                 else
 898                         folderutils_mark_all_read(item, TRUE);
 899         } else {
 900                 if (recursive)
 901                         folderutils_mark_all_read_recursive(item, FALSE);
 902                 else
 903                         folderutils_mark_all_read(item, FALSE);
 904         }
 905         if (folderview->summaryview->folder_item != item && !recursive)
 906                 summary_unlock(folderview->summaryview);
 907         else
 908                 summary_thaw(folderview->summaryview);
 909         folder_item_update_thaw();
 910 }
 911
 912 static void folderview_select_node(FolderView *folderview, GtkCMCTreeNode *node)
 913 {
 914         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 915
 916         cm_return_if_fail(node != NULL);
 917
 918         if (folderview->open_folder) {
 919                 return;
 920         }
 921
 922         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 923         gtkut_ctree_expand_parent_all(ctree, node);
 924
 925         folderview->open_folder = TRUE;
 926         gtkut_ctree_set_focus_row(ctree, node);
 927         gtk_cmctree_select(ctree, node);
 928         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 929         if ((folderview->summaryview->folder_item &&
 930             folderview->summaryview->folder_item->total_msgs > 0) ||
 931              prefs_common.layout_mode == SMALL_LAYOUT)
 932                 summary_select_node(folderview->summaryview,
 933                                     folderview->summaryview->selected, OPEN_SELECTED_ON_FOLDER_OPEN);
 934         else
 935                 gtk_widget_grab_focus(folderview->ctree);
 936 }
 937
 938 void folderview_unselect(FolderView *folderview)
 939 {
 940         if (folderview->opened && !GTK_CMCTREE_ROW(folderview->opened)->children)
 941                 gtk_cmctree_collapse
 942                         (GTK_CMCTREE(folderview->ctree), folderview->opened);
 943
 944         folderview->selected = folderview->opened = NULL;
 945 }
 946
 947 static GtkCMCTreeNode *folderview_find_next_with_flag(GtkCMCTree *ctree,
 948                                                       GtkCMCTreeNode *node,
 949                                                       MsgPermFlags flag)
 950 {
 951         FolderItem *item;
 952
 953         if (node)
 954                 node = gtkut_ctree_node_next(ctree, node);
 955         else
 956                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 957
 958         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 959                 item = gtk_cmctree_node_get_row_data(ctree, node);
 960                 if (!item)
 961                         continue;
 962                 if (item->stype == F_TRASH || item->stype == F_DRAFT)
 963                         continue;
 964                 switch (flag) {
 965                 case MSG_UNREAD:
 966                         if(item->unread_msgs > 0)
 967                                 return node;
 968                         break;
 969                 case MSG_NEW:
 970                         if(item->new_msgs > 0)
 971                                 return node;
 972                         break;
 973                 case MSG_MARKED:
 974                         if(item->marked_msgs > 0)
 975                                 return node;
 976                         break;
 977                 default:
 978                         if(item->total_msgs > 0)
 979                                 return node;
 980                         break;
 981                 }
 982         }
 983
 984         return NULL;
 985 }
 986
 987 void folderview_select_next_with_flag(FolderView *folderview,
 988                                       MsgPermFlags flag)
 989 {
 990         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 991         GtkCMCTreeNode *node = NULL;
 992         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 993
 994         switch (flag) {
 995         case MSG_UNREAD:
 996                 prefs_common.summary_select_prio[0] = ACTION_OLDEST_UNREAD;
 997                 break;
 998         case MSG_NEW:
 999                 prefs_common.summary_select_prio[0] = ACTION_OLDEST_NEW;
1000                 break;
1001         case MSG_MARKED:
1002                 prefs_common.summary_select_prio[0] = ACTION_OLDEST_MARKED;
1003                 break;
1004         default:
1005                 prefs_common.summary_select_prio[0] = ACTION_OLDEST_LIST;
1006                 break;
1007         }
1008
1009         node = folderview_find_next_with_flag(ctree, folderview->opened, flag);
1010         if (node != NULL) {
1011                 folderview_select_node(folderview, node);
1012                 goto out;
1013         }
1014
1015         if (!folderview->opened ||
1016             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
1017                 goto out;
1018         }
1019
1020         /* search again from the first node */
1021         node = folderview_find_next_with_flag(ctree, NULL, flag);
1022         if (node != NULL)
1023                 folderview_select_node(folderview, node);
1024
1025 out:
1026         prefs_common.summary_select_prio[0] = last_summary_select_prio;
1027 }
1028
1029 FolderItem *folderview_get_selected_item(FolderView *folderview)
1030 {
1031         g_return_val_if_fail(folderview != NULL, NULL);
1032         g_return_val_if_fail(folderview->ctree != NULL, NULL);
1033
1034         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1035
1036         if (!folderview->selected) return NULL;
1037         return gtk_cmctree_node_get_row_data(ctree, folderview->selected);
1038 }
1039
1040 FolderItem *folderview_get_opened_item(FolderView *folderview)
1041 {
1042         g_return_val_if_fail(folderview != NULL, NULL);
1043         g_return_val_if_fail(folderview->ctree != NULL, NULL);
1044
1045         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1046
1047         if (!folderview->opened) return NULL;
1048         return gtk_cmctree_node_get_row_data(ctree, folderview->opened);
1049 }
1050
1051 static void folderview_set_folders(FolderView *folderview)
1052 {
1053         GList *list;
1054         list = folder_get_list();
1055
1056         for (; list != NULL; list = list->next) {
1057                 folderview_append_folder(folderview, FOLDER(list->data));
1058         }
1059 }
1060
1061 static gchar *get_scan_str(FolderItem *item)
1062 {
1063         if (item->path)
1064                 return g_strdup_printf(_("Scanning folder %s/%s..."),
1065                                       item->folder->name, item->path);
1066         else
1067                 return g_strdup_printf(_("Scanning folder %s..."),
1068                                       item->folder->name);
1069 }
1070 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1071                                       gpointer data)
1072 {
1073         GList *list;
1074         for (list = folderview_list; list != NULL; list = list->next) {
1075                 FolderView *folderview = (FolderView *)list->data;
1076                 MainWindow *mainwin = folderview->mainwin;
1077                 gchar *str = get_scan_str(item);
1078
1079                 STATUSBAR_PUSH(mainwin, str);
1080                 STATUSBAR_POP(mainwin);
1081                 g_free(str);
1082         }
1083 }
1084
1085 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1086 {
1087         GtkWidget *window;
1088         MainWindow *mainwin = mainwindow_get_mainwindow();
1089         FolderView *folderview = NULL;
1090         GtkAdjustment *pos = NULL;
1091         gint height = 0;
1092
1093         cm_return_if_fail(folder != NULL);
1094
1095         if (!folder->klass->scan_tree) return;
1096
1097         if (rebuild &&
1098             alertpanel_full(_("Rebuild folder tree"),
1099                          _("Rebuilding the folder tree will remove "
1100                            "local caches. Do you want to continue?"),
1101                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST,
1102                                                  FALSE, NULL, ALERT_WARNING)
1103                 != G_ALERTALTERNATE) {
1104                 return;
1105         }
1106
1107         inc_lock();
1108         if (rebuild)
1109                 window = label_window_create(_("Rebuilding folder tree..."));
1110         else
1111                 window = label_window_create(_("Scanning folder tree..."));
1112
1113         if (mainwin)
1114                 folderview = mainwin->folderview;
1115
1116         if (folderview) {
1117                 pos = gtk_scrolled_window_get_vadjustment(
1118                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1119                 height = gtk_adjustment_get_value(pos);
1120         }
1121
1122         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1123         folder_scan_tree(folder, rebuild);
1124         folder_set_ui_func(folder, NULL, NULL);
1125
1126         folderview_set_all();
1127
1128         if (folderview) {
1129                 pos = gtk_scrolled_window_get_vadjustment(
1130                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1131                 gtk_adjustment_set_value(pos, height);
1132                 gtk_adjustment_changed(pos);
1133         }
1134         label_window_destroy(window);
1135         inc_unlock();
1136 }
1137
1138 /** folderview_check_new()
1139  *  Scan and update the folder and return the
1140  *  count the number of new messages since last check.
1141  *  \param folder the folder to check for new messages
1142  *  \return the number of new messages since last check
1143  */
1144 gint folderview_check_new(Folder *folder)
1145 {
1146         GList *list;
1147         FolderItem *item;
1148         FolderView *folderview;
1149         GtkCMCTree *ctree;
1150         GtkCMCTreeNode *node;
1151         gint new_msgs = 0;
1152         gint former_new_msgs = 0;
1153         gint former_new = 0, former_unread = 0, former_total;
1154
1155         for (list = folderview_list; list != NULL; list = list->next) {
1156                 folderview = (FolderView *)list->data;
1157                 ctree = GTK_CMCTREE(folderview->ctree);
1158                 folderview->scanning_folder = folder;
1159                 inc_lock();
1160                 main_window_lock(folderview->mainwin);
1161
1162                 for (node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
1163                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1164                         gchar *str = NULL;
1165                         item = gtk_cmctree_node_get_row_data(ctree, node);
1166                         if (!item || !item->path || !item->folder) continue;
1167                         if (item->no_select) continue;
1168                         if (folder && folder != item->folder) continue;
1169                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1170                         if (!item->prefs->newmailcheck) continue;
1171                         if (item->processing_pending == TRUE) {
1172                                 debug_print("skipping %s, processing pending\n",
1173                                         item->path ? item->path : item->name);
1174                                 continue;
1175                         }
1176                         if (item->scanning != ITEM_NOT_SCANNING) {
1177                                 debug_print("skipping %s, scanning\n",
1178                                         item->path ? item->path : item->name);
1179                                 continue;
1180                         }
1181
1182                         str = get_scan_str(item);
1183
1184                         STATUSBAR_PUSH(folderview->mainwin, str);
1185                         GTK_EVENTS_FLUSH();
1186                         g_free(str);
1187
1188                         folderview_scan_tree_func(item->folder, item, NULL);
1189                         former_new    = item->new_msgs;
1190                         former_unread = item->unread_msgs;
1191                         former_total  = item->total_msgs;
1192
1193                         if (item->folder->klass->scan_required &&
1194                             (item->folder->klass->scan_required(item->folder, item) ||
1195                              item->folder->inbox == item ||
1196                              item->opened == TRUE ||
1197                              item->processing_pending == TRUE)) {
1198                                 if (folder_item_scan(item) < 0) {
1199                                         if (folder) {
1200                                                 summaryview_unlock(folderview->summaryview, item);
1201                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1202                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1203                                                                 item->path ? item->path:item->name);
1204                                                         STATUSBAR_POP(folderview->mainwin);
1205                                                         continue;
1206                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1207                                                         STATUSBAR_POP(folderview->mainwin);
1208                                                         break;
1209                                                 }
1210                                         }
1211                                 }
1212                         } else if (!item->folder->klass->scan_required) {
1213                                 if (folder_item_scan(item) < 0) {
1214                                         summaryview_unlock(folderview->summaryview, item);
1215                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1216                                                 STATUSBAR_POP(folderview->mainwin);
1217                                                 break;
1218                                         }
1219                                 }
1220                         }
1221                         if (former_new    != item->new_msgs ||
1222                             former_unread != item->unread_msgs ||
1223                             former_total  != item->total_msgs)
1224                                 folderview_update_node(folderview, node);
1225
1226                         new_msgs += item->new_msgs;
1227                         former_new_msgs += former_new;
1228                         STATUSBAR_POP(folderview->mainwin);
1229                 }
1230                 folderview->scanning_folder = NULL;
1231                 main_window_unlock(folderview->mainwin);
1232                 inc_unlock();
1233         }
1234
1235         folder_write_list();
1236         /* Number of new messages since last check is the just the difference
1237          * between former_new_msgs and new_msgs. If new_msgs is less than
1238          * former_new_msgs, that would mean another session accessed the folder
1239          * and the result is not well defined.
1240          */
1241         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1242         return new_msgs;
1243 }
1244
1245 void folderview_check_new_all(void)
1246 {
1247         GList *list;
1248         GtkWidget *window;
1249         FolderView *folderview;
1250
1251         folderview = (FolderView *)folderview_list->data;
1252
1253         inc_lock();
1254         main_window_lock(folderview->mainwin);
1255         window = label_window_create
1256                 (_("Checking for new messages in all folders..."));
1257
1258         list = folder_get_list();
1259         for (; list != NULL; list = list->next) {
1260                 Folder *folder = list->data;
1261
1262                 folderview_check_new(folder);
1263         }
1264
1265         folder_write_list();
1266         folderview_set_all();
1267
1268         label_window_destroy(window);
1269         main_window_unlock(folderview->mainwin);
1270         inc_unlock();
1271 }
1272
1273 static gboolean folderview_have_children_sub(FolderView *folderview,
1274                                              FolderItem *item,
1275                                              gboolean in_sub)
1276 {
1277         GNode *node = NULL;
1278
1279         if (!item || !item->folder || !item->folder->node)
1280                 return FALSE;
1281
1282         node = item->folder->node;
1283
1284         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1285         node = node->children;
1286
1287         if (in_sub && item->total_msgs > 0) {
1288                 return TRUE;
1289         }
1290
1291         while (node != NULL) {
1292                 if (node && node->data) {
1293                         FolderItem *next_item = (FolderItem*) node->data;
1294                         node = node->next;
1295                         if (folderview_have_children_sub(folderview,
1296                                                          next_item, TRUE))
1297                                 return TRUE;
1298                 }
1299         }
1300
1301         return FALSE;
1302 }
1303
1304 static gboolean folderview_have_children(FolderView *folderview,
1305                                          FolderItem *item)
1306 {
1307         return folderview_have_children_sub(folderview, item, FALSE);
1308 }
1309
1310 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1311                                                  FolderItem *item,
1312                                                  gboolean in_sub)
1313 {
1314         GNode *node = NULL;
1315
1316         if (!item || !item->folder || !item->folder->node)
1317                 return FALSE;
1318
1319         node = item->folder->node;
1320
1321         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1322         node = node->children;
1323
1324         if (in_sub &&
1325             (item->new_msgs > 0 ||
1326             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1327                 return TRUE;
1328         }
1329
1330         while (node != NULL) {
1331                 if (node && node->data) {
1332                         FolderItem *next_item = (FolderItem*) node->data;
1333                         node = node->next;
1334                         if (folderview_have_new_children_sub(folderview,
1335                                                              next_item, TRUE))
1336                                 return TRUE;
1337                 }
1338         }
1339
1340         return FALSE;
1341 }
1342
1343 static gboolean folderview_have_new_children(FolderView *folderview,
1344                                              FolderItem *item)
1345 {
1346         return folderview_have_new_children_sub(folderview, item, FALSE);
1347 }
1348
1349 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1350                                                     FolderItem *item,
1351                                                     gboolean in_sub)
1352 {
1353         GNode *node = NULL;
1354
1355         if (!item || !item->folder || !item->folder->node)
1356                 return FALSE;
1357
1358         node = item->folder->node;
1359
1360         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1361         node = node->children;
1362
1363         if (in_sub &&
1364             (item->unread_msgs > 0 ||
1365             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1366                 return TRUE;
1367         }
1368
1369         while (node != NULL) {
1370                 if (node && node->data) {
1371                         FolderItem *next_item = (FolderItem*) node->data;
1372                         node = node->next;
1373                         if (folderview_have_unread_children_sub(folderview,
1374                                                                 next_item,
1375                                                                 TRUE))
1376                                 return TRUE;
1377                 }
1378         }
1379
1380         return FALSE;
1381 }
1382
1383 static gboolean folderview_have_unread_children(FolderView *folderview,
1384                                                 FolderItem *item)
1385 {
1386         return folderview_have_unread_children_sub(folderview, item, FALSE);
1387 }
1388
1389 static gboolean folderview_have_read_children_sub(FolderView *folderview,
1390                                                     FolderItem *item,
1391                                                     gboolean in_sub)
1392 {
1393         GNode *node = NULL;
1394
1395         if (!item || !item->folder || !item->folder->node) {
1396                 return FALSE;
1397         }
1398
1399         node = item->folder->node;
1400
1401         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1402         node = node->children;
1403
1404         if (in_sub &&
1405             (((item->total_msgs > 0) &&
1406                 (item->unread_msgs != (item->total_msgs - item->ignored_msgs))))) {
1407                 return TRUE;
1408         }
1409
1410         while (node != NULL) {
1411                 if (node && node->data) {
1412                         FolderItem *next_item = (FolderItem*) node->data;
1413                         node = node->next;
1414                         if (folderview_have_read_children_sub(folderview,
1415                                                                 next_item,
1416                                                                 TRUE)) {
1417                                 return TRUE;
1418                         }
1419                 }
1420         }
1421
1422         return FALSE;
1423 }
1424
1425 static gboolean folderview_have_read_children(FolderView *folderview,
1426                                                 FolderItem *item)
1427 {
1428         return folderview_have_read_children_sub(folderview, item, FALSE);
1429 }
1430
1431 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1432                                                       FolderItem *item,
1433                                                       gboolean in_sub)
1434 {
1435         GNode *node = NULL;
1436
1437         if (!item || !item->folder || !item->folder->node)
1438                 return FALSE;
1439
1440         node = item->folder->node;
1441
1442         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1443         node = node->children;
1444
1445         if (in_sub && item->search_match){
1446                 return TRUE;
1447         }
1448
1449         while (node != NULL) {
1450                 if (node && node->data) {
1451                         FolderItem *next_item = (FolderItem*) node->data;
1452                         node = node->next;
1453                         if (folderview_have_matching_children_sub(folderview,
1454                                                                   next_item,
1455                                                                   TRUE))
1456                                 return TRUE;
1457                 }
1458         }
1459
1460         return FALSE;
1461 }
1462
1463 static gboolean folderview_have_matching_children(FolderView *folderview,
1464                                                   FolderItem *item)
1465 {
1466         return folderview_have_matching_children_sub(folderview, item, FALSE);
1467 }
1468
1469 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1470                                                     FolderItem *item,
1471                                                     gboolean in_sub)
1472 {
1473         GNode *node = NULL;
1474
1475         if (!item || !item->folder || !item->folder->node)
1476                 return FALSE;
1477
1478         node = item->folder->node;
1479
1480         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1481         node = node->children;
1482
1483         if (item->marked_msgs != 0) {
1484                 return TRUE;
1485         }
1486
1487         while (node != NULL) {
1488                 if (node && node->data) {
1489                         FolderItem *next_item = (FolderItem*) node->data;
1490                         node = node->next;
1491                         if (folderview_have_marked_children_sub(folderview,
1492                                                                 next_item, TRUE))
1493                                 return TRUE;
1494                 }
1495         }
1496
1497         return FALSE;
1498 }
1499
1500 static gboolean folderview_have_marked_children(FolderView *folderview,
1501                                              FolderItem *item)
1502 {
1503         return folderview_have_marked_children_sub(folderview, item, FALSE);
1504 }
1505
1506 static void folderview_update_node(FolderView *folderview, GtkCMCTreeNode *node)
1507 {
1508         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1509         GtkStyle *style = NULL;
1510         GtkStyle *color_style = NULL;
1511         FolderItem *item;
1512         GdkPixbuf *xpm, *openxpm;
1513         static GdkPixbuf *searchicon;
1514         gboolean mark = FALSE;
1515         gchar *name;
1516         gchar *str;
1517         gboolean add_unread_mark;
1518         gboolean add_sub_match_mark;
1519         gboolean use_bold, use_color;
1520         gint *col_pos = folderview->col_pos;
1521         SpecialFolderItemType stype;
1522
1523         item = gtk_cmctree_node_get_row_data(ctree, node);
1524         cm_return_if_fail(item != NULL);
1525
1526         if (!GTK_CMCTREE_ROW(node)->expanded)
1527                 mark = folderview_have_marked_children(folderview, item);
1528         else
1529                 mark = (item->marked_msgs != 0);
1530
1531         stype = item->stype;
1532         if (stype == F_NORMAL) {
1533                 if (folder_has_parent_of_type(item, F_TRASH))
1534                         stype = F_TRASH;
1535                 else if (folder_has_parent_of_type(item, F_DRAFT))
1536                         stype = F_DRAFT;
1537                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1538                         stype = F_OUTBOX;
1539                 else if (folder_has_parent_of_type(item, F_QUEUE))
1540                         stype = F_QUEUE;
1541         }
1542         switch (stype) {
1543         case F_INBOX:
1544                 if (item->hide_read_msgs || item->hide_read_threads) {
1545                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1546                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1547                 } else {
1548                         xpm = mark?m_inboxxpm:inboxxpm;
1549                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1550                 }
1551                 break;
1552         case F_OUTBOX:
1553                 if (item->hide_read_msgs || item->hide_read_threads) {
1554                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1555                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1556                 } else {
1557                         xpm = mark?m_outboxxpm:outboxxpm;
1558                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1559                 }
1560                 break;
1561         case F_QUEUE:
1562                 if (item->hide_read_msgs || item->hide_read_threads) {
1563                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1564                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1565                 } else {
1566                         xpm = mark?m_queuexpm:queuexpm;
1567                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1568                 }
1569                 break;
1570         case F_TRASH:
1571                 if (item->hide_read_msgs || item->hide_read_threads) {
1572                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1573                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1574                 } else {
1575                         xpm = mark?m_trashxpm:trashxpm;
1576                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1577                 }
1578                 break;
1579         case F_DRAFT:
1580                 xpm = mark?m_draftsxpm:draftsxpm;
1581                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1582                 break;
1583         default:
1584                 if (!item->path &&
1585                     FOLDER_TYPE(item->folder) == F_IMAP &&
1586                     item->folder->account->imap_subsonly) {
1587                         xpm = mark?m_foldersubsxpm:foldersubsxpm;
1588                         openxpm = foldersubsopenxpm;
1589                 } else if (item->no_select) {
1590                         xpm = mark?m_foldernoselectxpm:foldernoselectxpm;
1591                         openxpm = foldernoselectopenxpm;
1592                 } else if (item->hide_read_msgs || item->hide_read_threads) {
1593                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1594                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1595                 } else {
1596                         xpm = mark?m_folderxpm:folderxpm;
1597                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1598                 }
1599         }
1600
1601         name = folder_item_get_name(item);
1602
1603         if (!GTK_CMCTREE_ROW(node)->expanded) {
1604                 add_unread_mark = folderview_have_unread_children(
1605                                         folderview, item);
1606                 add_sub_match_mark = folderview_have_matching_children(
1607                                         folderview, item);
1608         } else {
1609                 add_unread_mark = FALSE;
1610                 add_sub_match_mark = FALSE;
1611         }
1612
1613         if (item->search_match) {
1614                 if (!searchicon) {
1615                         stock_pixbuf_gdk(STOCK_PIXMAP_QUICKSEARCH,
1616                          &searchicon);
1617                 }
1618                 xpm = openxpm = searchicon;
1619         }
1620
1621         str = NULL;
1622         if (prefs_common.display_folder_unread) {
1623                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1624                         /* only total_msgs matters here */
1625                         if (item->total_msgs > 0) {
1626                                 /* show total number (should be equal to the unread number)
1627                                    and signs if any */
1628                                 str = g_strdup_printf("%s (%d%s%s)",
1629                                                         name, item->total_msgs,
1630                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1631                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1632                         }
1633                 } else {
1634                         if (prefs_common.display_folder_unread == 1) {
1635                                 if (item->unread_msgs > 0) {
1636                                         /* show unread number and signs */
1637                                         str = g_strdup_printf("%s (%d%s%s)",
1638                                                                 name, item->unread_msgs,
1639                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1640                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1641                                 }
1642                         } else {
1643                                 if (item->total_msgs > 0) {
1644                                         /* show unread number, total number and signs if any */
1645                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1646                                                                 name, item->unread_msgs, item->total_msgs,
1647                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1648                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1649                                 }
1650                         }
1651                 }
1652                 if ((str == NULL) &&
1653                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1654                         /* no unread/total numbers, but at least one sign */
1655                         str = g_strdup_printf("%s (%s%s)",
1656                                                 name,
1657                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1658                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1659                 }
1660         }
1661         if (str == NULL) {
1662                 /* last fallback, folder name only or with +! sign */
1663                 if (item->unreadmarked_msgs > 0 && add_sub_match_mark) {
1664                         str = g_strdup_printf("%s%s",
1665                                                 name, " (+!)");
1666                 } else if (item->unreadmarked_msgs > 0) {
1667                         str = g_strdup_printf("%s%s",
1668                                                 name, " (!)");
1669                 } else if (add_sub_match_mark) {
1670                         str = g_strdup_printf("%s%s",
1671                                                 name, " (+)");
1672                 } else {
1673                         str = g_strdup_printf("%s", name);
1674                 }
1675         }
1676         gtk_cmctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1677                                 xpm, openxpm,
1678                                 FALSE, GTK_CMCTREE_ROW(node)->expanded);
1679         g_free(str);
1680         g_free(name);
1681
1682         if (!folder_item_parent(item)) {
1683                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1684                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1685                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1686         } else {
1687                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1688                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1689                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1690         }
1691
1692         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1693             folder_has_parent_of_type(item, F_TRASH)) {
1694                 use_bold = use_color = FALSE;
1695         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1696                 GSList *list = folder_item_get_msg_list(item);
1697                 GSList *cur;
1698                 use_bold = use_color = FALSE;
1699                 for (cur = list; cur; cur = cur->next) {
1700                         MsgInfo *msginfo = (MsgInfo *)cur->data;
1701                         if (!MSG_IS_DELETED(msginfo->flags)) {
1702                                 /* highlight queue folder if there are any messages */
1703                                 use_bold = use_color = TRUE;
1704                                 break;
1705                         }
1706                 }
1707                 if (!GTK_CMCTREE_ROW(node)->expanded &&
1708                     use_bold == FALSE &&
1709                     folderview_have_children(folderview, item))
1710                         use_bold = use_color = TRUE;
1711                 procmsg_msg_list_free(list);
1712         } else {
1713                 /* if unread messages exist, print with bold font */
1714                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1715                                 || add_unread_mark;
1716                 /* if new messages exist, print with colored letter */
1717                 use_color =
1718                         (item->new_msgs > 0) ||
1719                         (add_unread_mark &&
1720                          folderview_have_new_children(folderview, item));
1721         }
1722
1723         gtk_cmctree_node_set_foreground(ctree, node, NULL);
1724
1725         if (use_bold) {
1726                 GdkColor gdk_color;
1727
1728                 if (item->prefs->color > 0 && !use_color) {
1729                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1730                         color_style = gtk_style_copy(bold_style);
1731                         color_style->text[GTK_STATE_NORMAL] = gdk_color;
1732                         style = color_style;
1733                 } else if (use_color) {
1734                         style = bold_color_style;
1735                 } else
1736                         style = bold_style;
1737                 if (item->op_count > 0) {
1738                         style = bold_tgtfold_style;
1739                 }
1740         } else if (use_color) {
1741                 style = normal_color_style;
1742                 gtk_cmctree_node_set_foreground(ctree, node,
1743                                               &folderview->color_new);
1744         } else if (item->op_count > 0) {
1745                 style = bold_tgtfold_style;
1746         } else if (item->prefs->color > 0) {
1747                 GdkColor gdk_color;
1748                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1749                 color_style = gtk_style_copy(normal_style);
1750                 color_style->text[GTK_STATE_NORMAL] = gdk_color;
1751                 style = color_style;
1752         } else {
1753                 style = normal_style;
1754         }
1755
1756         gtk_cmctree_node_set_row_style(ctree, node, style);
1757
1758         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1759                 folderview_update_node(folderview, node);
1760 }
1761
1762 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1763 {
1764         GList *list;
1765         FolderView *folderview;
1766         GtkCMCTree *ctree;
1767         GtkCMCTreeNode *node;
1768
1769         cm_return_if_fail(item != NULL);
1770
1771         for (list = folderview_list; list != NULL; list = list->next) {
1772                 folderview = (FolderView *)list->data;
1773                 ctree = GTK_CMCTREE(folderview->ctree);
1774
1775                 node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
1776                 if (node && item->search_match != matches) {
1777                         item->search_match = matches;
1778                         folderview_update_node(folderview, node);
1779                 }
1780         }
1781 }
1782
1783 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1784 {
1785         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1786         FolderView *folderview = (FolderView *)data;
1787         GtkCMCTree *ctree;
1788         GtkCMCTreeNode *node;
1789         cm_return_val_if_fail(update_info != NULL, TRUE);
1790         cm_return_val_if_fail(update_info->item != NULL, TRUE);
1791         cm_return_val_if_fail(folderview != NULL, FALSE);
1792
1793         ctree = GTK_CMCTREE(folderview->ctree);
1794
1795         node = gtk_cmctree_find_by_row_data(ctree, NULL, update_info->item);
1796
1797         if (node) {
1798                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1799                         folderview_update_node(folderview, node);
1800
1801                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1802                      update_info->item == folderview->summaryview->folder_item &&
1803                      update_info->item != NULL)
1804                         if (!quicksearch_has_sat_predicate(folderview->summaryview->quicksearch))
1805                                 summary_show(folderview->summaryview, update_info->item);
1806         }
1807
1808         return FALSE;
1809 }
1810
1811 static gboolean folderview_gnode_func(GtkCMCTree *ctree, guint depth,
1812                                       GNode *gnode, GtkCMCTreeNode *cnode,
1813                                       gpointer data)
1814 {
1815         FolderView *folderview = (FolderView *)data;
1816         FolderItem *item = FOLDER_ITEM(gnode->data);
1817
1818         cm_return_val_if_fail(item != NULL, FALSE);
1819
1820         gtk_cmctree_node_set_row_data(ctree, cnode, item);
1821         folderview_update_node(folderview, cnode);
1822
1823         return TRUE;
1824 }
1825
1826 static void folderview_expand_func(GtkCMCTree *ctree, GtkCMCTreeNode *node,
1827                                    gpointer data)
1828 {
1829         FolderView *folderview = (FolderView *)data;
1830         FolderItem *item;
1831
1832         if (GTK_CMCTREE_ROW(node)->children) {
1833                 item = gtk_cmctree_node_get_row_data(ctree, node);
1834                 cm_return_if_fail(item != NULL);
1835
1836                 if (!item->collapsed)
1837                         gtk_cmctree_expand(ctree, node);
1838                 else
1839                         folderview_update_node(folderview, node);
1840         }
1841 }
1842
1843 static void set_special_folder(GtkCMCTree *ctree, FolderItem *item,
1844                                GtkCMCTreeNode *root, GtkCMCTreeNode **prev)
1845 {
1846         if (item) {
1847                 GtkCMCTreeNode *node, *parent, *sibling;
1848
1849                 node = gtk_cmctree_find_by_row_data(ctree, root, item);
1850                 if (!node)
1851                         g_warning("%s not found.", item->path);
1852                 else {
1853                         parent = GTK_CMCTREE_ROW(node)->parent;
1854                         if (*prev && parent == GTK_CMCTREE_ROW(*prev)->parent)
1855                                 sibling = GTK_CMCTREE_ROW(*prev)->sibling;
1856                         else
1857                                 sibling = GTK_CMCTREE_ROW(parent)->children;
1858                         while (sibling) {
1859                                 FolderItem *tmp;
1860
1861                                 tmp = gtk_cmctree_node_get_row_data
1862                                         (ctree, sibling);
1863                                 if (tmp && tmp->stype != F_NORMAL)
1864                                         sibling = GTK_CMCTREE_ROW(sibling)->sibling;
1865                                 else
1866                                         break;
1867                         }
1868                         if (node != sibling)
1869                                 gtk_cmctree_move(ctree, node, parent, sibling);
1870                 }
1871
1872                 *prev = node;
1873         }
1874 }
1875
1876 static void folderview_sort_folders(FolderView *folderview, GtkCMCTreeNode *root,
1877                                     Folder *folder)
1878 {
1879         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1880         GtkCMCTreeNode *prev = NULL;
1881
1882         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
1883         gtk_sctree_sort_recursive(ctree, root);
1884         if (root && GTK_CMCTREE_ROW(root)->parent) {
1885                 gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1886                 return;
1887         }
1888         set_special_folder(ctree, folder->inbox, root, &prev);
1889         set_special_folder(ctree, folder->outbox, root, &prev);
1890         set_special_folder(ctree, folder->draft, root, &prev);
1891         set_special_folder(ctree, folder->queue, root, &prev);
1892         set_special_folder(ctree, folder->trash, root, &prev);
1893         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1894 }
1895
1896 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1897 {
1898         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1899         GtkCMCTreeNode *root;
1900
1901         cm_return_if_fail(folder != NULL);
1902
1903         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1904                                       folderview_gnode_func, folderview);
1905         gtk_cmctree_pre_recursive(ctree, root, folderview_expand_func,
1906                                 folderview);
1907         folderview_sort_folders(folderview, root, folder);
1908 }
1909
1910 /* callback functions */
1911 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1912                                 GdkEventButton *event)
1913 {
1914         FolderItem *item;
1915         Folder *folder;
1916         FolderViewPopup *fpopup;
1917         GtkActionGroup *action_group;
1918         GtkWidget *popup;
1919         FolderItem *special_trash = NULL, *special_queue = NULL;
1920         PrefsAccount *ac;
1921         GtkUIManager *ui_manager = gtk_ui_manager_new();
1922
1923         if (folderview->ui_manager)
1924                 g_object_unref(folderview->ui_manager);
1925
1926         folderview->ui_manager = ui_manager;
1927         item = folderview_get_selected_item(folderview);
1928
1929         cm_return_if_fail(item != NULL);
1930         cm_return_if_fail(item->folder != NULL);
1931         folder = item->folder;
1932
1933         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1934
1935         if (fpopup != NULL)
1936                 action_group = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1937         else {
1938                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1939                 action_group = g_hash_table_lookup(folderview->popups, "common");
1940         }
1941
1942         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
1943         MENUITEM_ADDUI_MANAGER(ui_manager, "/", "Popup", "Popup", GTK_UI_MANAGER_MENUBAR)
1944         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup", "FolderViewPopup", "FolderViewPopup", GTK_UI_MANAGER_MENU)
1945
1946         if (fpopup->add_menuitems)
1947                 fpopup->add_menuitems(ui_manager, item);
1948
1949         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllRead", "FolderViewPopup/MarkAllRead", GTK_UI_MANAGER_MENUITEM)
1950         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllUnread", "FolderViewPopup/MarkAllUnread", GTK_UI_MANAGER_MENUITEM)
1951         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllReadRec", "FolderViewPopup/MarkAllReadRec", GTK_UI_MANAGER_MENUITEM)
1952         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllUnreadRec", "FolderViewPopup/MarkAllUnreadRec", GTK_UI_MANAGER_MENUITEM)
1953         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Separator1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1954         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RunProcessing", "FolderViewPopup/RunProcessing", GTK_UI_MANAGER_MENUITEM)
1955         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SearchFolder", "FolderViewPopup/SearchFolder", GTK_UI_MANAGER_MENUITEM)
1956         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Properties", "FolderViewPopup/Properties", GTK_UI_MANAGER_MENUITEM)
1957         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Processing", "FolderViewPopup/Processing", GTK_UI_MANAGER_MENUITEM)
1958
1959         if (fpopup->set_sensitivity != NULL)
1960                 fpopup->set_sensitivity(ui_manager, item);
1961
1962         if (NULL != (ac = account_find_from_item(item))) {
1963                 special_trash = account_get_special_folder(ac, F_TRASH);
1964                 special_queue = account_get_special_folder(ac, F_QUEUE);
1965         }
1966
1967         if ((item == folder->trash || item == special_trash
1968              || folder_has_parent_of_type(item, F_TRASH))) {
1969                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorTrash", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1970                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "EmptyTrash", "FolderViewPopup/EmptyTrash", GTK_UI_MANAGER_MENUITEM)
1971         }
1972
1973         if ((item == folder->queue || item == special_queue
1974              || folder_has_parent_of_type(item, F_QUEUE))) {
1975                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorQueue", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1976                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SendQueue", "FolderViewPopup/SendQueue", GTK_UI_MANAGER_MENUITEM)
1977         }
1978
1979 #define SET_SENS(name, sens) \
1980         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
1981
1982         SET_SENS("FolderViewPopup/MarkAllRead", item->unread_msgs > 0);
1983         SET_SENS("FolderViewPopup/MarkAllUnread", (item->total_msgs > 0) &&
1984                 (item->unread_msgs != (item->total_msgs - item->ignored_msgs)));
1985         SET_SENS("FolderViewPopup/MarkAllReadRec", folderview_have_unread_children(folderview,item));
1986         SET_SENS("FolderViewPopup/MarkAllUnreadRec", folderview_have_read_children(folderview,item));
1987         SET_SENS("FolderViewPopup/SearchFolder", item->total_msgs > 0 &&
1988                  folderview->selected == folderview->opened);
1989         SET_SENS("FolderViewPopup/Properties", TRUE);
1990
1991         SET_SENS("FolderViewPopup/RunProcessing", item->prefs->processing &&
1992                  item->total_msgs >= 1 && !item->processing_pending);
1993         SET_SENS("FolderViewPopup/Processing", item->node->parent != NULL &&
1994                 !item->no_select && !item->processing_pending);
1995
1996         if (item == folder->trash || item == special_trash
1997             || folder_has_parent_of_type(item, F_TRASH)) {
1998                 GSList *msglist = folder_item_get_msg_list(item);
1999                 SET_SENS("FolderViewPopup/EmptyTrash", msglist != NULL);
2000                 procmsg_msg_list_free(msglist);
2001         }
2002         if (item == folder->queue || item == special_queue
2003             || folder_has_parent_of_type(item, F_QUEUE)) {
2004                 GSList *msglist = folder_item_get_msg_list(item);
2005                 SET_SENS("FolderViewPopup/SendQueue", msglist != NULL);
2006                 procmsg_msg_list_free(msglist);
2007         }
2008 #undef SET_SENS
2009
2010         popup = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
2011                         gtk_ui_manager_get_widget(ui_manager, "/Popup/FolderViewPopup")) );
2012         g_signal_connect(G_OBJECT(popup), "selection_done",
2013                          G_CALLBACK(folderview_popup_close),
2014                          folderview);
2015         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
2016                        event->button, event->time);
2017 }
2018
2019 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
2020                                           FolderView *folderview)
2021 {
2022         GtkCMCList *clist = GTK_CMCLIST(ctree);
2023         gint prev_row = -1, row = -1, column = -1;
2024
2025         if (!event) return FALSE;
2026         if (event->window != clist->clist_window) return FALSE;
2027
2028         if (event->button == 1 || event->button == 2) {
2029                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
2030                         folderview->open_folder = TRUE;
2031
2032                 if (event->type == GDK_2BUTTON_PRESS) {
2033                         if (clist->selection) {
2034                                 GtkCMCTreeNode *node;
2035
2036                                 node = GTK_CMCTREE_NODE(clist->selection->data);
2037                                 if (node) {
2038                                         gtk_cmctree_toggle_expansion(
2039                                                 GTK_CMCTREE(ctree),
2040                                                 node);
2041                                         folderview->open_folder = FALSE;
2042                                 }
2043                         }
2044                 }
2045                 return FALSE;
2046         }
2047
2048         if (event->button == 2 || event->button == 3) {
2049                 /* right clicked */
2050                 if (clist->selection) {
2051                         GtkCMCTreeNode *node;
2052
2053                         node = GTK_CMCTREE_NODE(clist->selection->data);
2054                         if (node)
2055                                 prev_row = gtkut_ctree_get_nth_from_node
2056                                         (GTK_CMCTREE(ctree), node);
2057                 }
2058
2059                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
2060                                                   &row, &column))
2061                         return FALSE;
2062                 if (prev_row != row) {
2063                         gtk_cmclist_unselect_all(clist);
2064                         if (event->button == 2)
2065                                 folderview_select_node
2066                                         (folderview,
2067                                          gtk_cmctree_node_nth(GTK_CMCTREE(ctree),
2068                                                             row));
2069                         else
2070                                 gtk_cmclist_select_row(clist, row, column);
2071                 }
2072         }
2073
2074         if (event->button != 3) return FALSE;
2075
2076         folderview_set_sens_and_popup_menu(folderview, row, event);
2077         return FALSE;
2078 }
2079
2080 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
2081                                            FolderView *folderview)
2082 {
2083         int row = -1, column = -1;
2084
2085         if (!event) return FALSE;
2086
2087         if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree), event->x, event->y,
2088                                           &row, &column))
2089                 return FALSE;
2090         if (event->button == 1 && folderview->open_folder == FALSE &&
2091             folderview->opened != NULL) {
2092                 gtkut_ctree_set_focus_row(GTK_CMCTREE(ctree),
2093                                           folderview->opened);
2094                 gtk_cmctree_select(GTK_CMCTREE(ctree), folderview->opened);
2095         }
2096
2097         return FALSE;
2098 }
2099
2100 #define BREAK_ON_MODIFIER_KEY() \
2101         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
2102
2103 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2104                                        FolderView *folderview)
2105 {
2106         GtkCMCTreeNode *node;
2107         FolderItem *item;
2108
2109         if (!event) return FALSE;
2110
2111         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
2112                 return FALSE;
2113
2114         switch (event->keyval) {
2115         case GDK_KEY_Right:
2116                 if (folderview->selected) {
2117                         if (GTK_CMCTREE_ROW(folderview->selected)->children != NULL
2118                                         && !GTK_CMCTREE_ROW(folderview->selected)->expanded)
2119                                 gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree),
2120                                                 folderview->selected);
2121                         else
2122                                 folderview_select_node(folderview,
2123                                                        folderview->selected);
2124                 }
2125                 break;
2126 #ifdef GENERIC_UMPC
2127         case GDK_KEY_Return:
2128                 if (folderview->selected && GTK_CMCTREE_ROW(folderview->selected)->children) {
2129                         gtk_cmctree_toggle_expansion(
2130                                 GTK_CMCTREE(folderview->ctree),
2131                                 folderview->selected);
2132                 }
2133                 break;
2134 #else
2135         case GDK_KEY_Return:
2136         case GDK_KEY_KP_Enter:
2137                 if (folderview->selected)
2138                         folderview_select_node(folderview, folderview->selected);
2139                 break;
2140 #endif
2141         case GDK_KEY_space:
2142                 BREAK_ON_MODIFIER_KEY();
2143                 if (folderview->selected) {
2144                         if (folderview->opened == folderview->selected &&
2145                             (!folderview->summaryview->folder_item ||
2146                              folderview->summaryview->folder_item->total_msgs == 0))
2147                                 folderview_select_next_with_flag(folderview, MSG_UNREAD);
2148                         else
2149                                 folderview_select_node(folderview,
2150                                                        folderview->selected);
2151                 }
2152                 break;
2153         case GDK_KEY_Left:
2154                 if (folderview->selected) {
2155                         /* If the folder is expanded and can be collapsed, do that... */
2156                         if (GTK_CMCTREE_ROW(folderview->selected)->expanded &&
2157                                         GTK_CMCTREE_ROW(folderview->selected)->children != NULL) {
2158                                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree),
2159                                                 folderview->selected);
2160                         } else {
2161                                 /* ...otherwise, move cursor to its parent node. */
2162                                 if ((item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2163                                                 folderview->selected))) {
2164                                         if ((node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2165                                                         NULL, folder_item_parent(item)))) {
2166                                                 gtk_sctree_select(GTK_SCTREE(folderview->ctree), node);
2167                                                 if (!gtk_cmctree_node_is_visible(GTK_CMCTREE(folderview->ctree), node))
2168                                                         gtk_cmctree_node_moveto(GTK_CMCTREE(folderview->ctree),
2169                                                                         node, -1, 0, 0);
2170                                         }
2171                                 }
2172                         }
2173                 }
2174                 break;
2175         case GDK_KEY_Home:
2176         case GDK_KEY_End:
2177                 if (event->keyval == GDK_KEY_Home)
2178                         node = gtk_cmctree_node_nth(GTK_CMCTREE(folderview->ctree), 0);
2179                 else
2180                         node = gtk_cmctree_last(GTK_CMCTREE(folderview->ctree),
2181                                         gtk_cmctree_node_nth(GTK_CMCTREE(folderview->ctree), 0));
2182
2183                 gtk_sctree_select(GTK_SCTREE(folderview->ctree), node);
2184
2185                 if (!gtk_cmctree_node_is_visible(GTK_CMCTREE(folderview->ctree), node))
2186                         gtk_cmctree_node_moveto(GTK_CMCTREE(folderview->ctree),
2187                                         node, -1, 0, 0);
2188                 break;
2189         default:
2190                 break;
2191         }
2192
2193         return FALSE;
2194 }
2195
2196 typedef struct _PostponedSelectData
2197 {
2198         GtkCMCTree *ctree;
2199         GtkCMCTreeNode *row;
2200         gint column;
2201         FolderView *folderview;
2202 } PostponedSelectData;
2203
2204 static gboolean postpone_select(void *data)
2205 {
2206         PostponedSelectData *psdata = (PostponedSelectData *)data;
2207         debug_print("trying again\n");
2208
2209         psdata->folderview->postpone_select_id = 0;
2210         psdata->folderview->open_folder = TRUE;
2211         main_window_cursor_normal(psdata->folderview->mainwin);
2212         STATUSBAR_POP(psdata->folderview->mainwin);
2213         folderview_selected(psdata->ctree, psdata->row,
2214                             psdata->column, psdata->folderview);
2215         g_free(psdata);
2216         return FALSE;
2217 }
2218
2219 void folderview_close_opened(FolderView *folderview, gboolean dirty)
2220 {
2221         if (folderview->opened) {
2222                 if (dirty) {
2223                         folderview->opened = NULL;
2224                         return;
2225                 }
2226
2227                 FolderItem *olditem =
2228                         gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2229                                                       folderview->opened);
2230                 if (olditem) {
2231                         gchar *buf = g_strdup_printf(_("Closing folder %s..."),
2232                                 olditem->path ? olditem->path:olditem->name);
2233                         /* will be null if we just moved the previously opened folder */
2234                         STATUSBAR_PUSH(folderview->mainwin, buf);
2235                         main_window_cursor_wait(folderview->mainwin);
2236                         g_free(buf);
2237                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2238                         summary_show(folderview->summaryview, NULL);
2239                         folder_item_close(olditem);
2240                         main_window_cursor_normal(folderview->mainwin);
2241                         STATUSBAR_POP(folderview->mainwin);
2242                         if (olditem->folder->klass->item_closed)
2243                                 olditem->folder->klass->item_closed(olditem);
2244
2245                 }
2246         }
2247
2248         if (folderview->opened &&
2249             !GTK_CMCTREE_ROW(folderview->opened)->children)
2250                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree), folderview->opened);
2251
2252         folderview->opened = NULL;
2253 }
2254 static void folderview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *row,
2255                                 gint column, FolderView *folderview)
2256 {
2257         static gboolean can_select = TRUE;      /* exclusive lock */
2258         gboolean opened;
2259         FolderItem *item;
2260         gchar *buf;
2261         int res = 0;
2262         GtkCMCTreeNode *old_opened = folderview->opened;
2263         START_TIMING("");
2264         folderview->selected = row;
2265
2266         debug_print("newly selected %p, opened %p\n", folderview->selected,
2267                         folderview->opened);
2268         if (folderview->opened == row) {
2269                 folderview->open_folder = FALSE;
2270                 END_TIMING();
2271                 return;
2272         }
2273
2274         item = gtk_cmctree_node_get_row_data(ctree, row);
2275         if (!item) {
2276                 END_TIMING();
2277                 folderview->open_folder = FALSE;
2278                 return;
2279         }
2280
2281         if (!can_select || summary_is_locked(folderview->summaryview)) {
2282                 if (folderview->opened) {
2283                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2284                         gtk_cmctree_select(ctree, folderview->opened);
2285                 }
2286                 folderview->open_folder = FALSE;
2287                 END_TIMING();
2288                 return;
2289         }
2290
2291         if (!folderview->open_folder) {
2292                 END_TIMING();
2293                 return;
2294         }
2295
2296         can_select = FALSE;
2297
2298         /* Save cache for old folder */
2299         /* We don't want to lose all caches if app crashes */
2300         /* Resets folderview->opened to NULL */
2301         folderview_close_opened(folderview, FALSE);
2302
2303         /* CLAWS: set compose button type: news folder items
2304          * always have a news folder as parent */
2305         if (item->folder)
2306                 toolbar_set_compose_button
2307                         (folderview->mainwin->toolbar,
2308                          FOLDER_TYPE(item->folder) == F_NEWS ?
2309                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2310
2311         if (item->path)
2312                 debug_print("Folder %s is selected\n", item->path);
2313
2314         if (!GTK_CMCTREE_ROW(row)->children)
2315                 gtk_cmctree_expand(ctree, row);
2316
2317         /* ungrab the mouse event */
2318         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
2319                 gtk_grab_remove(GTK_WIDGET(ctree));
2320                 if (gdk_pointer_is_grabbed())
2321                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2322         }
2323
2324         /* Open Folder */
2325         /* TODO: wwp: avoid displaying (null) in the status bar */
2326         buf = g_strdup_printf(_("Opening folder %s..."), item->path ?
2327                                         item->path : "(null)");
2328         debug_print("%s\n", buf);
2329         STATUSBAR_PUSH(folderview->mainwin, buf);
2330         g_free(buf);
2331
2332         main_window_cursor_wait(folderview->mainwin);
2333
2334         if (folderview->scanning_folder == item->folder) {
2335                 res = -2;
2336         } else {
2337                 res = folder_item_open(item);
2338         }
2339
2340         if (res == -1 && item->no_select == FALSE) {
2341                 main_window_cursor_normal(folderview->mainwin);
2342                 STATUSBAR_POP(folderview->mainwin);
2343
2344                 alertpanel_error(_("Folder could not be opened."));
2345
2346                 folderview->open_folder = FALSE;
2347                 can_select = TRUE;
2348                 END_TIMING();
2349                 return;
2350         } else if (res == -2 && item->no_select == FALSE) {
2351                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2352                 data->ctree = ctree;
2353                 data->row = row;
2354                 data->column = column;
2355                 data->folderview = folderview;
2356                 debug_print("postponing open of %s till end of scan\n",
2357                         item->path ? item->path:item->name);
2358                 folderview->open_folder = FALSE;
2359                 can_select = TRUE;
2360                 if (folderview->postpone_select_id != 0)
2361                         g_source_remove(folderview->postpone_select_id);
2362                 folderview->postpone_select_id = g_timeout_add(500, postpone_select, data);
2363                 END_TIMING();
2364                 return;
2365         }
2366
2367         main_window_cursor_normal(folderview->mainwin);
2368
2369         /* Show messages */
2370         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2371         opened = summary_show(folderview->summaryview, item);
2372
2373         folder_clean_cache_memory(item);
2374
2375         if (!opened) {
2376                 gtkut_ctree_set_focus_row(ctree, old_opened);
2377                 gtk_cmctree_select(ctree, old_opened);
2378                 folderview->opened = old_opened;
2379         } else {
2380                 folderview->opened = row;
2381                 if (gtk_cmctree_node_is_visible(ctree, row)
2382                     != GTK_VISIBILITY_FULL)
2383                         gtk_cmctree_node_moveto(ctree, row, -1, 0.5, 0);
2384         }
2385
2386         STATUSBAR_POP(folderview->mainwin);
2387
2388         folderview->open_folder = FALSE;
2389         can_select = TRUE;
2390         END_TIMING();
2391 }
2392
2393 static void folderview_tree_expanded(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2394                                      FolderView *folderview)
2395 {
2396         FolderItem *item;
2397
2398         item = gtk_cmctree_node_get_row_data(ctree, node);
2399         cm_return_if_fail(item != NULL);
2400         item->collapsed = FALSE;
2401         folderview_update_node(folderview, node);
2402 }
2403
2404 static void folderview_tree_collapsed(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2405                                       FolderView *folderview)
2406 {
2407         FolderItem *item;
2408
2409         item = gtk_cmctree_node_get_row_data(ctree, node);
2410         cm_return_if_fail(item != NULL);
2411         item->collapsed = TRUE;
2412         folderview_update_node(folderview, node);
2413 }
2414
2415 static void folderview_popup_close(GtkMenuShell *menu_shell,
2416                                    FolderView *folderview)
2417 {
2418         if (!folderview->opened) return;
2419
2420         gtk_cmctree_select(GTK_CMCTREE(folderview->ctree), folderview->opened);
2421 }
2422
2423 static void folderview_col_resized(GtkCMCList *clist, gint column, gint width,
2424                                    FolderView *folderview)
2425 {
2426         FolderColumnType type = folderview->col_state[column].type;
2427
2428         prefs_common.folder_col_size[type] = width;
2429 }
2430
2431 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2432 {
2433         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2434         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2435         GtkCMCTreeNode *node, *parent_node;
2436         gint *col_pos = folderview->col_pos;
2437         FolderItemUpdateData hookdata;
2438
2439         parent_node = gtk_cmctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2440         if (parent_node == NULL)
2441                 return;
2442
2443         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
2444
2445         text[col_pos[F_COL_FOLDER]] = item->name;
2446         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2447                                      FOLDER_SPACING,
2448                                      folderxpm,
2449                                      folderopenxpm,
2450                                      FALSE, FALSE);
2451         gtk_cmctree_expand(ctree, parent_node);
2452         gtk_cmctree_node_set_row_data(ctree, node, item);
2453         if (normal_style)
2454                 gtk_cmctree_node_set_row_style(ctree, node, normal_style);
2455         folderview_sort_folders(folderview, parent_node, item->folder);
2456
2457         hookdata.item = item;
2458         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2459         hookdata.msg = NULL;
2460         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2461
2462         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
2463 }
2464
2465 static void folderview_empty_trash_cb(GtkAction *action, gpointer data)
2466 {
2467         FolderView *folderview = (FolderView *)data;
2468         FolderItem *item;
2469         GSList *mlist = NULL;
2470         GSList *cur = NULL;
2471         FolderItem *special_trash = NULL;
2472         PrefsAccount *ac;
2473
2474         if (!folderview->selected) return;
2475         item = folderview_get_selected_item(folderview);
2476         cm_return_if_fail(item != NULL);
2477         cm_return_if_fail(item->folder != NULL);
2478
2479         if (NULL != (ac = account_find_from_item(item)))
2480                 special_trash = account_get_special_folder(ac, F_TRASH);
2481
2482         if (item != item->folder->trash && item != special_trash
2483         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2484
2485         if (prefs_common.ask_on_clean) {
2486                 if (alertpanel(_("Empty trash"),
2487                                _("Delete all messages in trash?"),
2488                                GTK_STOCK_CANCEL, _("_Empty trash"), NULL,
2489                                                  ALERTFOCUS_SECOND) != G_ALERTALTERNATE)
2490                         return;
2491         }
2492
2493         mlist = folder_item_get_msg_list(item);
2494
2495         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2496                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2497                 if (MSG_IS_LOCKED(msginfo->flags))
2498                         continue;
2499                 /* is it partially received? (partial_recv isn't cached) */
2500                 if (msginfo->total_size != 0 &&
2501                     msginfo->size != (off_t)msginfo->total_size)
2502                         partial_mark_for_delete(msginfo);
2503         }
2504         procmsg_msg_list_free(mlist);
2505
2506         folder_item_remove_all_msg(item);
2507 }
2508
2509 static void folderview_send_queue_cb(GtkAction *action, gpointer data)
2510 {
2511         FolderView *folderview = (FolderView *)data;
2512         FolderItem *item;
2513         FolderItem *special_queue = NULL;
2514         PrefsAccount *ac;
2515         gchar *errstr = NULL;
2516
2517         if (!folderview->selected) return;
2518         item = folderview_get_selected_item(folderview);
2519         cm_return_if_fail(item != NULL);
2520         cm_return_if_fail(item->folder != NULL);
2521
2522         if (NULL != (ac = account_find_from_item(item)))
2523                 special_queue = account_get_special_folder(ac, F_QUEUE);
2524
2525         if (item != item->folder->queue && item != special_queue
2526         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2527
2528         if (procmsg_queue_is_empty(item))
2529                 return;
2530
2531         if (prefs_common.work_offline)
2532                 if (alertpanel(_("Offline warning"),
2533                                _("You're working offline. Override?"),
2534                                GTK_STOCK_NO, GTK_STOCK_YES,
2535                                NULL, ALERTFOCUS_FIRST) != G_ALERTALTERNATE)
2536                 return;
2537
2538         /* ask for confirmation before sending queued messages only
2539            in online mode and if there is at least one message queued
2540            in any of the folder queue
2541         */
2542         if (prefs_common.confirm_send_queued_messages) {
2543                 if (!prefs_common.work_offline) {
2544                         if (alertpanel(_("Send queued messages"),
2545                                    _("Send all queued messages?"),
2546                                    GTK_STOCK_CANCEL, _("_Send"),
2547                                    NULL, ALERTFOCUS_FIRST) != G_ALERTALTERNATE)
2548                                 return;
2549                 }
2550         }
2551
2552         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2553                 if (!errstr)
2554                         alertpanel_error_log(_("Some errors occurred while "
2555                                            "sending queued messages."));
2556                 else {
2557                         alertpanel_error_log(_("Some errors occurred "
2558                                         "while sending queued messages:\n%s"), errstr);
2559                         g_free(errstr);
2560                 }
2561         }
2562 }
2563
2564 static void folderview_search_cb(GtkAction *action, gpointer data)
2565 {
2566         FolderView *folderview = (FolderView *)data;
2567         summary_search(folderview->summaryview);
2568 }
2569
2570 static void folderview_run_processing_cb(GtkAction *action, gpointer data)
2571 {
2572         FolderView *folderview = (FolderView *)data;
2573         FolderItem *item;
2574
2575         if (!folderview->selected) return;
2576
2577         item = folderview_get_selected_item(folderview);
2578         cm_return_if_fail(item != NULL);
2579         cm_return_if_fail(item->folder != NULL);
2580
2581         item->processing_pending = TRUE;
2582         folder_item_apply_processing(item);
2583         item->processing_pending = FALSE;
2584 }
2585
2586 static void folderview_property_cb(GtkAction *action, gpointer data)
2587 {
2588         FolderView *folderview = (FolderView *)data;
2589         FolderItem *item;
2590
2591         if (!folderview->selected) return;
2592
2593         item = folderview_get_selected_item(folderview);
2594         cm_return_if_fail(item != NULL);
2595         cm_return_if_fail(item->folder != NULL);
2596
2597         prefs_folder_item_open(item);
2598 }
2599
2600 static void folderview_recollapse_nodes(FolderView *folderview, GtkCMCTreeNode *node)
2601 {
2602         GSList *list = NULL;
2603         GSList *done = NULL;
2604         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2605
2606         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2607                 if (!gtkut_ctree_node_is_parent(GTK_CMCTREE_NODE(list->data), node)
2608                 &&  list->data != node) {
2609                         gtk_cmctree_collapse(ctree, GTK_CMCTREE_NODE(list->data));
2610                         done = g_slist_append(done, GTK_CMCTREE_NODE(list->data));
2611                 }
2612         }
2613         for (list = done; list != NULL; list = g_slist_next(list)) {
2614                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2615                                                                  list->data);
2616         }
2617         g_slist_free(done);
2618 }
2619
2620 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2621                             FolderItem *to_folder, gboolean copy)
2622 {
2623         FolderItem *new_folder = NULL;
2624         gchar *buf;
2625         gint status;
2626
2627         cm_return_if_fail(folderview != NULL);
2628         cm_return_if_fail(from_folder != NULL);
2629         cm_return_if_fail(to_folder != NULL);
2630
2631         if (prefs_common.warn_dnd) {
2632                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s'?"):
2633                                              _("Do you really want to make folder '%s' a subfolder of '%s'?"),
2634                                         from_folder->name, to_folder->name);
2635                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2636                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST,
2637                                                                  TRUE, NULL, ALERT_QUESTION);
2638                 g_free(buf);
2639
2640                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2641                         return;
2642                 else if (status & G_ALERTDISABLE)
2643                         prefs_common.warn_dnd = FALSE;
2644         }
2645
2646         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2647                                 from_folder->name, to_folder->name);
2648         STATUSBAR_PUSH(folderview->mainwin, buf);
2649         g_free(buf);
2650         summary_clear_all(folderview->summaryview);
2651         folderview->opened = NULL;
2652         folderview->selected = NULL;
2653         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2654         inc_lock();
2655         main_window_cursor_wait(folderview->mainwin);
2656
2657         statusbar_verbosity_set(FALSE);
2658         folder_item_update_freeze();
2659         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2660         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2661                 statusbar_verbosity_set(FALSE);
2662                 main_window_cursor_normal(folderview->mainwin);
2663                 STATUSBAR_POP(folderview->mainwin);
2664                 folder_item_update_thaw();
2665                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2666
2667                 folderview_sort_folders(folderview,
2668                         gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2669                                 NULL, to_folder), new_folder->folder);
2670                 folderview_select(folderview, new_folder);
2671                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2672         } else {
2673                 statusbar_verbosity_set(FALSE);
2674                 main_window_cursor_normal(folderview->mainwin);
2675                 STATUSBAR_POP(folderview->mainwin);
2676                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2677                 folder_item_update_thaw();
2678                 switch (status) {
2679                 case F_MOVE_FAILED_DEST_IS_PARENT:
2680                         alertpanel_error(_("Source and destination are the same."));
2681                         break;
2682                 case F_MOVE_FAILED_DEST_IS_CHILD:
2683                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2684                                                 _("Can't move a folder to one of its children."));
2685                         break;
2686                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2687                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2688                         break;
2689                 default:
2690                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2691                         break;
2692                 }
2693         }
2694         inc_unlock();
2695         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2696 }
2697
2698 static gint folderview_clist_compare(GtkCMCList *clist,
2699                                      gconstpointer ptr1, gconstpointer ptr2)
2700 {
2701         FolderItem *item1 = ((GtkCMCListRow *)ptr1)->data;
2702         FolderItem *item2 = ((GtkCMCListRow *)ptr2)->data;
2703
2704         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2705         {
2706                 return item1->order - item2->order;
2707         }
2708
2709         // if only one folder has an order it comes first
2710         if (item1->order > 0)
2711         {
2712                 return -1;
2713         }
2714         if (item2->order > 0)
2715         {
2716                 return 1;
2717         }
2718
2719         if (!item1->name)
2720                 return (item2->name != NULL);
2721         if (!item2->name)
2722                 return -1;
2723
2724         return g_utf8_collate(item1->name, item2->name);
2725 }
2726
2727 static void folderview_processing_cb(GtkAction *action, gpointer data)
2728 {
2729         FolderView *folderview = (FolderView *)data;
2730         FolderItem *item;
2731         gchar *id, *title;
2732
2733         if (!folderview->selected) return;
2734
2735         item = folderview_get_selected_item(folderview);
2736         cm_return_if_fail(item != NULL);
2737         cm_return_if_fail(item->folder != NULL);
2738
2739         id = folder_item_get_identifier(item);
2740         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2741         g_free (id);
2742
2743         prefs_filtering_open(&item->prefs->processing, title,
2744                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2745         g_free (title);
2746 }
2747
2748 void folderview_set_target_folder_color(gint color_op)
2749 {
2750         gint firstone = 1;
2751         GList *list;
2752         FolderView *folderview;
2753
2754         for (list = folderview_list; list != NULL; list = list->next) {
2755                 folderview = (FolderView *)list->data;
2756                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2757                 if (firstone) {
2758                         bold_tgtfold_style->text[GTK_STATE_NORMAL] =
2759                                 folderview->color_op;
2760                         firstone = 0;
2761                 }
2762         }
2763 }
2764
2765 static gchar *last_smallfont = NULL;
2766 static gchar *last_normalfont = NULL;
2767 static gchar *last_boldfont = NULL;
2768 static gboolean last_derive = 0;
2769
2770 void folderview_reinit_fonts(FolderView *folderview)
2771 {
2772         /* force reinit */
2773         g_free(last_smallfont);
2774         last_smallfont = NULL;
2775         g_free(last_normalfont);
2776         last_normalfont = NULL;
2777         g_free(last_boldfont);
2778         last_boldfont = NULL;
2779 }
2780
2781 void folderview_reflect_prefs(void)
2782 {
2783         gboolean update_font = FALSE;
2784         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2785         FolderItem *item = folderview_get_selected_item(folderview);
2786         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2787                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2788         gint height = gtk_adjustment_get_value(pos);
2789
2790         if (!last_smallfont || strcmp(last_smallfont, SMALL_FONT) ||
2791                         !last_normalfont || strcmp(last_normalfont, NORMAL_FONT) ||
2792                         !last_boldfont || strcmp(last_boldfont, BOLD_FONT) ||
2793                         last_derive != prefs_common.derive_from_normal_font)
2794                 update_font = TRUE;
2795
2796         if (!update_font)
2797                 return;
2798
2799         g_free(last_smallfont);
2800         last_smallfont = g_strdup(SMALL_FONT);
2801         g_free(last_normalfont);
2802         last_normalfont = g_strdup(NORMAL_FONT);
2803         g_free(last_boldfont);
2804         last_boldfont = g_strdup(BOLD_FONT);
2805         last_derive = prefs_common.derive_from_normal_font;
2806
2807 #define STYLE_FREE(s)                   \
2808         if (s != NULL) {                \
2809                 g_object_unref(s);      \
2810                 s = NULL;               \
2811         }
2812
2813         STYLE_FREE(normal_style);
2814         STYLE_FREE(normal_color_style);
2815         STYLE_FREE(bold_style);
2816         STYLE_FREE(bold_color_style);
2817         STYLE_FREE(bold_tgtfold_style);
2818
2819 #undef STYLE_FREE
2820
2821         folderview_init(folderview);
2822         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2823         folderview_column_set_titles(folderview);
2824         folderview_set_all();
2825
2826         g_signal_handlers_block_by_func
2827                 (G_OBJECT(folderview->ctree),
2828                  G_CALLBACK(folderview_selected), folderview);
2829
2830         if (item) {
2831                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(
2832                         GTK_CMCTREE(folderview->ctree), NULL, item);
2833
2834                 folderview_select(folderview, item);
2835                 folderview->open_folder = FALSE;
2836                 folderview->selected = node;
2837         }
2838
2839         g_signal_handlers_unblock_by_func
2840                 (G_OBJECT(folderview->ctree),
2841                  G_CALLBACK(folderview_selected), folderview);
2842
2843         pos = gtk_scrolled_window_get_vadjustment(
2844                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2845         gtk_adjustment_set_value(pos, height);
2846         gtk_adjustment_changed(pos);
2847         gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2848 }
2849
2850 static void drag_state_stop(FolderView *folderview)
2851 {
2852         if (folderview->drag_timer_id)
2853                 g_source_remove(folderview->drag_timer_id);
2854         folderview->drag_timer_id = 0;
2855         folderview->drag_node = NULL;
2856 }
2857
2858 static gboolean folderview_defer_expand(FolderView *folderview)
2859 {
2860         if (folderview->drag_node) {
2861                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2862                 if (folderview->drag_item->collapsed) {
2863                         gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree), folderview->drag_node);
2864                         folderview->nodes_to_recollapse = g_slist_append
2865                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2866                 }
2867         }
2868         folderview->drag_item  = NULL;
2869         folderview->drag_timer_id = 0;
2870         return FALSE;
2871 }
2872
2873 static void drag_state_start(FolderView *folderview, GtkCMCTreeNode *node, FolderItem *item)
2874 {
2875         /* the idea is that we call drag_state_start() whenever we want expansion to
2876          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2877          * we need to call drag_state_stop() */
2878         drag_state_stop(folderview);
2879         /* request expansion */
2880         if (0 != (folderview->drag_timer_id = g_timeout_add
2881                         (prefs_common.hover_timeout,
2882                          (GSourceFunc)folderview_defer_expand,
2883                          folderview))) {
2884                 folderview->drag_node = node;
2885                 folderview->drag_item = item;
2886         }
2887 }
2888 #ifndef GENERIC_UMPC
2889 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2890                                   FolderView       *folderview)
2891 {
2892         GdkDragContext *context;
2893
2894         cm_return_if_fail(folderview != NULL);
2895         if (folderview->selected == NULL) return;
2896         if (folderview->nodes_to_recollapse)
2897                 g_slist_free(folderview->nodes_to_recollapse);
2898         folderview->nodes_to_recollapse = NULL;
2899         context = gtk_drag_begin(widget, folderview->target_list,
2900                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2901         gtk_drag_set_icon_default(context);
2902 }
2903 #endif
2904 static void folderview_drag_data_get(GtkWidget        *widget,
2905                                      GdkDragContext   *drag_context,
2906                                      GtkSelectionData *selection_data,
2907                                      guint             info,
2908                                      guint             time,
2909                                      FolderView       *folderview)
2910 {
2911         FolderItem *item;
2912         GList *sel;
2913         gchar *source = NULL;
2914         if (info == TARGET_DUMMY) {
2915                 sel = GTK_CMCLIST(folderview->ctree)->selection;
2916                 if (!sel)
2917                         return;
2918
2919                 item = gtk_cmctree_node_get_row_data
2920                         (GTK_CMCTREE(folderview->ctree),
2921                          GTK_CMCTREE_NODE(sel->data));
2922                 if (item) {
2923                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2924                         gtk_selection_data_set(selection_data,
2925                                                gtk_selection_data_get_target(selection_data), 8,
2926                                                source, strlen(source));
2927                 }
2928         } else {
2929                 g_warning("unknown info %d", info);
2930         }
2931 }
2932
2933 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2934 {
2935         FolderUpdateData *hookdata;
2936         FolderView *folderview;
2937         GtkWidget *ctree;
2938
2939         hookdata = source;
2940         folderview = (FolderView *) userdata;
2941         cm_return_val_if_fail(hookdata != NULL, FALSE);
2942         cm_return_val_if_fail(folderview != NULL, FALSE);
2943
2944         ctree = folderview->ctree;
2945         cm_return_val_if_fail(ctree != NULL, FALSE);
2946
2947         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2948                 folderview_create_folder_node(folderview, hookdata->item);
2949         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2950                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree),
2951                                 NULL, folder_item_parent(hookdata->item));
2952                 folderview_sort_folders(folderview, node, hookdata->folder);
2953         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2954                 GtkCMCTreeNode *node;
2955
2956                 node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, hookdata->item);
2957                 if (node != NULL) {
2958                         gtk_cmctree_remove_node(GTK_CMCTREE(ctree), node);
2959                         if (folderview->selected == node)
2960                                 folderview->selected = NULL;
2961                         if (folderview->opened == node)
2962                                 folderview->opened = NULL;
2963                 }
2964         } else if (hookdata->update_flags & FOLDER_MOVE_FOLDERITEM) {
2965                 /* do nothing, it's done by the ADD and REMOVE) */
2966         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2967                 folderview_set(folderview);
2968
2969         return FALSE;
2970 }
2971
2972 static gboolean folderview_dnd_scroll_cb(gpointer data)
2973 {
2974         FolderView *folderview = (FolderView *)data;
2975         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2976                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2977         gint new_val = (int)gtk_adjustment_get_value(pos) + folderview->scroll_value;
2978         gint max = (int)gtk_adjustment_get_upper(pos) -
2979                (int)gtk_adjustment_get_page_size(pos);
2980
2981         if (folderview->scroll_value == 0) {
2982                 folderview->scroll_timeout_id = 0;
2983                 return FALSE;
2984         }
2985
2986         if (folderview->scroll_value > 0 && new_val > max) {
2987                 new_val = max;
2988         } else if (folderview->scroll_value < 0 && new_val < 0) {
2989                 new_val = 0;
2990         }
2991         gtk_adjustment_set_value(pos, new_val);
2992
2993         return TRUE;
2994 }
2995
2996 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2997                                           GdkDragContext *context,
2998                                           gint            x,
2999                                           gint            y,
3000                                           guint           time,
3001                                           FolderView     *folderview)
3002 {
3003         gint row, column;
3004         FolderItem *item = NULL, *src_item = NULL;
3005         GtkCMCTreeNode *node = NULL;
3006         gboolean acceptable = FALSE;
3007         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
3008                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
3009         int height = (int)gtk_adjustment_get_page_size(pos);
3010         int total_height = (int)gtk_adjustment_get_upper(pos);
3011         int vpos = (int)gtk_adjustment_get_value(pos);
3012         int offset = prefs_common.show_col_headers ? 24:0;
3013         int dist;
3014
3015         if (gtk_cmclist_get_selection_info
3016                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column)) {
3017                 GtkWidget *srcwidget;
3018
3019                 if (y > height - (48 - offset) && height + vpos < total_height) {
3020                         dist = -(height - (48 - offset) - y);
3021                         folderview->scroll_value = 1.41f * (1+(dist / 6));
3022                 } else if (y < 72 - (24 - offset) && y >= 0) {
3023                         dist = 72 - (24 - offset) - y;
3024                         folderview->scroll_value = -1.41f * (1+(dist / 6));
3025                 } else {
3026                         folderview->scroll_value = 0;
3027                 }
3028                 if (folderview->scroll_value != 0 && folderview->scroll_timeout_id == 0) {
3029                         folderview->scroll_timeout_id =
3030                                 g_timeout_add(30, folderview_dnd_scroll_cb,
3031                                               folderview);
3032                 }
3033
3034                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3035                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3036                 src_item = folderview->summaryview->folder_item;
3037
3038                 srcwidget = gtk_drag_get_source_widget(context);
3039                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
3040                         /* comes from summaryview */
3041                         /* we are copying messages, so only accept folder items that are not
3042                            the source item, are no root items and can copy messages */
3043                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
3044                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
3045                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
3046                                 acceptable = TRUE;
3047                 } else if (srcwidget == folderview->ctree) {
3048                         /* comes from folderview */
3049                         /* we are moving folder items, only accept folders that are not
3050                            the source items and can copy messages and create folder items */
3051                         if (item && item->folder && src_item && src_item != item &&
3052                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
3053                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
3054                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
3055                              || item->folder == src_item->folder))
3056                                 acceptable = TRUE;
3057                 } else {
3058                         /* comes from another app */
3059                         /* we are adding messages, so only accept folder items that are
3060                            no root items and can copy messages */
3061                         if (item && item->folder && folder_item_parent(item) != NULL
3062                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
3063                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
3064                                 acceptable = TRUE;
3065                 }
3066         }
3067
3068         if (acceptable || (src_item && src_item == item))
3069                 drag_state_start(folderview, node, item);
3070
3071         if (acceptable) {
3072                 g_signal_handlers_block_by_func
3073                         (G_OBJECT(widget),
3074                          G_CALLBACK(folderview_selected), folderview);
3075                 gtk_cmctree_select(GTK_CMCTREE(widget), node);
3076                 g_signal_handlers_unblock_by_func
3077                         (G_OBJECT(widget),
3078                          G_CALLBACK(folderview_selected), folderview);
3079                 gdk_drag_status(context,
3080                                         (gdk_drag_context_get_actions(context) == GDK_ACTION_COPY ?
3081                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
3082         } else {
3083                 if (folderview->opened)
3084                         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
3085                 gdk_drag_status(context, 0, time);
3086         }
3087
3088         return acceptable;
3089 }
3090
3091 static void folderview_drag_leave_cb(GtkWidget      *widget,
3092                                      GdkDragContext *context,
3093                                      guint           time,
3094                                      FolderView     *folderview)
3095 {
3096         drag_state_stop(folderview);
3097         folderview->scroll_value = 0;
3098         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
3099 }
3100
3101 static void free_info (gpointer stuff, gpointer data)
3102 {
3103         g_free(stuff);
3104 }
3105
3106 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
3107                            guint time, FolderItem *item)
3108 {
3109         GList *list, *tmp;
3110         GSList *msglist = NULL;
3111         list = uri_list_extract_filenames(data);
3112         if (!(item && item->folder && folder_item_parent(item) != NULL
3113                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
3114         {
3115                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3116                 debug_print("item doesn't fit\n");
3117                 return;
3118         }
3119         if (!list) {
3120                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3121                 debug_print("list is empty\n");
3122                 return;
3123         }
3124         for (tmp = list; tmp != NULL; tmp = tmp->next) {
3125                 MsgFileInfo *info = NULL;
3126
3127                 if (file_is_email((gchar *)tmp->data)) {
3128                         info = g_new0(MsgFileInfo, 1);
3129                         info->msginfo = NULL;
3130                         info->file = (gchar *)tmp->data;
3131                         msglist = g_slist_prepend(msglist, info);
3132                         debug_print("file is a mail\n");
3133                 } else {
3134                         debug_print("file isn't a mail\n");
3135                 }
3136         }
3137         if (msglist) {
3138                 msglist = g_slist_reverse(msglist);
3139                 folder_item_add_msgs(item, msglist, FALSE);
3140                 g_slist_foreach(msglist, free_info, NULL);
3141                 g_slist_free(msglist);
3142                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
3143         } else {
3144                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3145         }
3146         list_free_strings_full(list);
3147 }
3148
3149 static void folderview_drag_received_cb(GtkWidget        *widget,
3150                                         GdkDragContext   *drag_context,
3151                                         gint              x,
3152                                         gint              y,
3153                                         GtkSelectionData *data,
3154                                         guint             info,
3155                                         guint             time,
3156                                         FolderView       *folderview)
3157 {
3158         gint row, column;
3159         FolderItem *item = NULL, *src_item;
3160         GtkCMCTreeNode *node;
3161         int offset = prefs_common.show_col_headers ? 24:0;
3162
3163         folderview->scroll_value = 0;
3164
3165         if (info == TARGET_DUMMY) {
3166                 drag_state_stop(folderview);
3167                 const gchar *ddata = (const gchar *)gtk_selection_data_get_data(data);
3168                 if ((gchar *)strstr(ddata, "FROM_OTHER_FOLDER") != ddata) {
3169                         /* comes from summaryview */
3170                         if (gtk_cmclist_get_selection_info
3171                                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3172                                 return;
3173
3174                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3175                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3176                         src_item = folderview->summaryview->folder_item;
3177
3178                         if (item->no_select) {
3179                                 alertpanel_error(_("The destination folder can only be used to "
3180                                                    "store subfolders."));
3181                                 return;
3182                         }
3183                         /* re-check (due to acceptable possibly set for folder moves */
3184                         if (!(item && item->folder && item->path && !item->no_select &&
3185                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
3186                                 return;
3187                         }
3188
3189                         switch (gdk_drag_context_get_selected_action(drag_context)) {
3190                         case GDK_ACTION_COPY:
3191                                 summary_copy_selected_to(folderview->summaryview, item);
3192                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
3193                                 break;
3194                         case GDK_ACTION_MOVE:
3195                         case GDK_ACTION_DEFAULT:
3196                         default:
3197                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
3198                                         summary_copy_selected_to(folderview->summaryview, item);
3199                                 else
3200                                         summary_move_selected_to(folderview->summaryview, item);
3201                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
3202                         }
3203                 } else {
3204                         /* comes from folderview */
3205                         char *source;
3206                         gboolean folder_is_normal = TRUE;
3207                         gboolean copy = (GDK_ACTION_COPY ==
3208                                 gdk_drag_context_get_selected_action(drag_context));
3209
3210                         source = (char *)gtk_selection_data_get_data(data) + 17;
3211                         if (gtk_cmclist_get_selection_info
3212                             (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0
3213                             || *source == 0) {
3214                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3215                                 return;
3216                         }
3217                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3218                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3219                         src_item = folder_find_item_from_identifier(source);
3220
3221                         folder_is_normal =
3222                                 src_item != NULL &&
3223                                 src_item->stype == F_NORMAL &&
3224                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3225                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3226                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3227                                 !folder_has_parent_of_type(src_item, F_TRASH);
3228                         if (!item || !src_item || !folder_is_normal) {
3229                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3230                                 return;
3231                         }
3232
3233                         folderview_move_folder(folderview, src_item, item, copy);
3234                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3235                 }
3236                 folderview->nodes_to_recollapse = NULL;
3237         } else if (info == TARGET_MAIL_URI_LIST) {
3238                 if (gtk_cmclist_get_selection_info
3239                         (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3240                         return;
3241
3242                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3243                 if (!node) {
3244                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3245                         debug_print("no node\n");
3246                         return;
3247                 }
3248                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3249                 if (!item) {
3250                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3251                         debug_print("no item\n");
3252                         return;
3253                 }
3254                 folderview_finish_dnd(gtk_selection_data_get_data(data),
3255                         drag_context, time, item);
3256         }
3257 }
3258
3259 static void folderview_drag_end_cb(GtkWidget        *widget,
3260                                    GdkDragContext   *drag_context,
3261                                    FolderView       *folderview)
3262 {
3263         drag_state_stop(folderview);
3264         folderview->scroll_value = 0;
3265         g_slist_free(folderview->nodes_to_recollapse);
3266         folderview->nodes_to_recollapse = NULL;
3267 }
3268
3269 void folderview_register_popup(FolderViewPopup *fpopup)
3270 {
3271         GList *folderviews;
3272
3273         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3274                 FolderView *folderview = folderviews->data;
3275                 GtkActionGroup *factory;
3276
3277                 factory = create_action_group(folderview, fpopup);
3278                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3279         }
3280         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3281 }
3282
3283 void folderview_unregister_popup(FolderViewPopup *fpopup)
3284 {
3285         GList *folderviews;
3286
3287
3288         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3289                 FolderView *folderview = folderviews->data;
3290
3291                 g_hash_table_remove(folderview->popups, fpopup->klass);
3292         }
3293         g_hash_table_remove(folderview_popups, fpopup->klass);
3294 }
3295
3296 void folderview_remove_item(FolderView *folderview, FolderItem *item)
3297 {
3298         g_return_if_fail(folderview != NULL);
3299         g_return_if_fail(item != NULL);
3300
3301         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
3302         g_return_if_fail(ctree != NULL);
3303
3304         GtkCMCTreeNode *node =
3305                 gtk_cmctree_find_by_row_data(ctree, NULL, item);
3306         g_return_if_fail(node != NULL);
3307
3308         gtk_cmctree_remove_node(ctree, node);
3309 }
3310
3311 void folderview_freeze(FolderView *folderview)
3312 {
3313         if (folderview)
3314                 gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
3315 }
3316
3317 void folderview_thaw(FolderView *folderview)
3318 {
3319         if (folderview)
3320                 gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
3321 }
3322
3323 void folderview_grab_focus(FolderView *folderview)
3324 {
3325          if (folderview)
3326                  gtk_widget_grab_focus(folderview->ctree);
3327 }