src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2013 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtk.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #include "main.h"
  31 #include "mainwindow.h"
  32 #include "folderview.h"
  33 #include "summaryview.h"
  34 #include "summary_search.h"
  35 #include "inputdialog.h"
  36 #include "manage_window.h"
  37 #include "alertpanel.h"
  38 #include "menu.h"
  39 #include "stock_pixmap.h"
  40 #include "procmsg.h"
  41 #include "utils.h"
  42 #include "gtkutils.h"
  43 #include "prefs_common.h"
  44 #include "prefs_account.h"
  45 #include "prefs_filtering.h"
  46 #include "prefs_folder_item.h"
  47 #include "account.h"
  48 #include "folder.h"
  49 #include "foldersel.h"
  50 #include "inc.h"
  51 #include "statusbar.h"
  52 #include "hooks.h"
  53 #include "folderutils.h"
  54 #include "partial_download.h"
  55 #include "prefs_folder_column.h"
  56 #include "filtering.h"
  57 #include "quicksearch.h"
  58 #include "manual.h"
  59 #include "timing.h"
  60 #include "log.h"
  61
  62 #define COL_FOLDER_WIDTH        150
  63 #define COL_NUM_WIDTH           32
  64
  65 static GList *folderview_list = NULL;
  66
  67 static GtkStyle *normal_style;
  68 static GtkStyle *normal_color_style;
  69 static GtkStyle *bold_style;
  70 static GtkStyle *bold_color_style;
  71 static GtkStyle *bold_tgtfold_style;
  72
  73 static 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 *noselectxpm;
  96
  97 static GdkPixbuf *m_inboxxpm;
  98 static GdkPixbuf *m_inboxhrmxpm;
  99 static GdkPixbuf *m_inboxopenxpm;
 100 static GdkPixbuf *m_inboxopenhrmxpm;
 101 static GdkPixbuf *m_outboxxpm;
 102 static GdkPixbuf *m_outboxhrmxpm;
 103 static GdkPixbuf *m_outboxopenxpm;
 104 static GdkPixbuf *m_outboxopenhrmxpm;
 105 static GdkPixbuf *m_folderxpm;
 106 static GdkPixbuf *m_folderhrmxpm;
 107 static GdkPixbuf *m_folderopenxpm;
 108 static GdkPixbuf *m_folderopenhrmxpm;
 109 static GdkPixbuf *m_trashopenxpm;
 110 static GdkPixbuf *m_trashopenhrmxpm;
 111 static GdkPixbuf *m_trashxpm;
 112 static GdkPixbuf *m_trashhrmxpm;
 113 static GdkPixbuf *m_queuexpm;
 114 static GdkPixbuf *m_queuehrmxpm;
 115 static GdkPixbuf *m_queueopenxpm;
 116 static GdkPixbuf *m_queueopenhrmxpm;
 117 static GdkPixbuf *m_draftsxpm;
 118 static GdkPixbuf *m_draftsopenxpm;
 119
 120 static GdkPixbuf *newxpm;
 121 static GdkPixbuf *unreadxpm;
 122 static GdkPixbuf *readxpm;
 123
 124 static void folderview_select_node       (FolderView    *folderview,
 125                                           GtkCMCTreeNode        *node);
 126 static void folderview_set_folders       (FolderView    *folderview);
 127 static void folderview_sort_folders      (FolderView    *folderview,
 128                                           GtkCMCTreeNode        *root,
 129                                           Folder        *folder);
 130 static void folderview_append_folder     (FolderView    *folderview,
 131                                           Folder        *folder);
 132 static void folderview_update_node       (FolderView    *folderview,
 133                                           GtkCMCTreeNode        *node);
 134
 135 static gint folderview_clist_compare    (GtkCMCList     *clist,
 136                                          gconstpointer   ptr1,
 137                                          gconstpointer   ptr2);
 138
 139 /* callback functions */
 140 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 141                                                  GdkEventButton *event,
 142                                                  FolderView     *folderview);
 143 static gboolean folderview_button_released      (GtkWidget      *ctree,
 144                                                  GdkEventButton *event,
 145                                                  FolderView     *folderview);
 146 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 147                                          GdkEventKey    *event,
 148                                          FolderView     *folderview);
 149 static void folderview_selected         (GtkCMCTree     *ctree,
 150                                          GtkCMCTreeNode *row,
 151                                          gint            column,
 152                                          FolderView     *folderview);
 153 static void folderview_tree_expanded    (GtkCMCTree     *ctree,
 154                                          GtkCMCTreeNode *node,
 155                                          FolderView     *folderview);
 156 static void folderview_tree_collapsed   (GtkCMCTree     *ctree,
 157                                          GtkCMCTreeNode *node,
 158                                          FolderView     *folderview);
 159 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 160                                          FolderView     *folderview);
 161 static void folderview_col_resized      (GtkCMCList     *clist,
 162                                          gint            column,
 163                                          gint            width,
 164                                          FolderView     *folderview);
 165
 166 static void mark_all_read_cb            (GtkAction      *action,
 167                                          gpointer        data);
 168
 169 static void folderview_empty_trash_cb   (GtkAction      *action,
 170                                          gpointer        data);
 171
 172 static void folderview_send_queue_cb    (GtkAction      *action,
 173                                          gpointer        data);
 174
 175 static void folderview_search_cb        (GtkAction      *action,
 176                                          gpointer        data);
 177 static void folderview_run_processing_cb(GtkAction      *action,
 178                                          gpointer        data);
 179
 180 static void folderview_property_cb      (GtkAction      *action,
 181                                          gpointer        data);
 182
 183 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 184                                           GdkDragContext *context,
 185                                           gint            x,
 186                                           gint            y,
 187                                           guint           time,
 188                                           FolderView     *folderview);
 189 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 190                                           GdkDragContext   *context,
 191                                           guint             time,
 192                                           FolderView       *folderview);
 193 static void folderview_drag_received_cb  (GtkWidget        *widget,
 194                                           GdkDragContext   *drag_context,
 195                                           gint              x,
 196                                           gint              y,
 197                                           GtkSelectionData *data,
 198                                           guint             info,
 199                                           guint             time,
 200                                           FolderView       *folderview);
 201 #ifndef GENERIC_UMPC
 202 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 203                                           FolderView       *folderview);
 204 #endif
 205 static void folderview_drag_data_get     (GtkWidget        *widget,
 206                                           GdkDragContext   *drag_context,
 207                                           GtkSelectionData *selection_data,
 208                                           guint             info,
 209                                           guint             time,
 210                                           FolderView       *folderview);
 211 static void folderview_drag_end_cb       (GtkWidget        *widget,
 212                                           GdkDragContext   *drag_context,
 213                                           FolderView       *folderview);
 214
 215 static void folderview_create_folder_node       (FolderView       *folderview,
 216                                           FolderItem       *item);
 217 static gboolean folderview_update_folder         (gpointer          source,
 218                                           gpointer          userdata);
 219 static gboolean folderview_update_item_claws     (gpointer          source,
 220                                           gpointer          data);
 221 static void folderview_processing_cb(GtkAction *action, gpointer data);
 222 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
 223                                 GdkEventButton *event);
 224
 225 GHashTable *folderview_popups;
 226
 227 static GtkActionEntry folderview_common_popup_entries[] =
 228 {
 229         {"FolderViewPopup",                     NULL, "FolderViewPopup" },
 230         {"FolderViewPopup/MarkAllRead",         NULL, N_("Mark all re_ad"), NULL, NULL, G_CALLBACK(mark_all_read_cb) },
 231         {"FolderViewPopup/---",                 NULL, "---" },
 232         {"FolderViewPopup/RunProcessing",       NULL, N_("R_un processing rules"), NULL, NULL, G_CALLBACK(folderview_run_processing_cb) },
 233         {"FolderViewPopup/SearchFolder",        NULL, N_("_Search folder..."), NULL, NULL, G_CALLBACK(folderview_search_cb) },
 234         {"FolderViewPopup/Properties",          NULL, N_("_Properties..."), NULL, NULL, G_CALLBACK(folderview_property_cb) },
 235         {"FolderViewPopup/Processing",          NULL, N_("Process_ing..."), NULL, NULL, G_CALLBACK(folderview_processing_cb) },
 236         {"FolderViewPopup/EmptyTrash",          NULL, N_("Empty _trash..."), NULL, NULL, G_CALLBACK(folderview_empty_trash_cb) },
 237         {"FolderViewPopup/SendQueue",           NULL, N_("Send _queue..."), NULL, NULL, G_CALLBACK(folderview_send_queue_cb) },
 238
 239 };
 240
 241 GtkTargetEntry folderview_drag_types[] =
 242 {
 243         {"claws-mail/internal", GTK_TARGET_SAME_APP, TARGET_DUMMY},
 244         {"text/uri-list", 0, TARGET_MAIL_URI_LIST}
 245 };
 246
 247 void folderview_initialize(void)
 248 {
 249         FolderViewPopup *fpopup;
 250
 251         fpopup = g_new0(FolderViewPopup, 1);
 252
 253         fpopup->klass = "common";
 254         fpopup->path = "<CommonFolder>";
 255         fpopup->entries = folderview_common_popup_entries;
 256         fpopup->n_entries = G_N_ELEMENTS(folderview_common_popup_entries);
 257         fpopup->set_sensitivity = NULL;
 258
 259         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 260         g_hash_table_insert(folderview_popups, "common", fpopup);
 261 }
 262
 263 static GtkActionGroup *create_action_group(FolderView *folderview, FolderViewPopup *fpopup)
 264 {
 265         FolderViewPopup *fpopup_common;
 266         GtkActionGroup *action_group;
 267
 268         action_group = cm_menu_create_action_group(
 269                                 fpopup->path,
 270                                 fpopup->entries, fpopup->n_entries,
 271                                 (gpointer)folderview);
 272
 273         if (fpopup->toggle_entries)
 274                 gtk_action_group_add_toggle_actions(action_group, fpopup->toggle_entries,
 275                                 fpopup->n_toggle_entries,
 276                                 (gpointer)folderview);
 277         if (fpopup->radio_entries)
 278                 gtk_action_group_add_radio_actions(action_group, fpopup->radio_entries,
 279                                 fpopup->n_radio_entries, fpopup->radio_default,
 280                                 G_CALLBACK(fpopup->radio_callback),
 281                                 (gpointer)folderview);
 282
 283         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 284         if (fpopup_common != fpopup) {
 285                 gtk_action_group_add_actions(action_group, fpopup_common->entries,
 286                                 fpopup_common->n_entries,
 287                                 (gpointer)folderview);
 288                 if (fpopup_common->toggle_entries)
 289                         gtk_action_group_add_toggle_actions(action_group, fpopup_common->toggle_entries,
 290                                         fpopup_common->n_toggle_entries,
 291                                         (gpointer)folderview);
 292                 if (fpopup_common->radio_entries)
 293                         gtk_action_group_add_radio_actions(action_group, fpopup_common->radio_entries,
 294                                         fpopup_common->n_radio_entries, fpopup_common->radio_default,
 295                                         G_CALLBACK(fpopup_common->radio_callback),
 296                                         (gpointer)folderview);
 297         }
 298
 299         return action_group;
 300 }
 301
 302 static void create_action_groups(gpointer key, gpointer value, gpointer data)
 303 {
 304         FolderView *folderview = data;
 305         FolderViewPopup *fpopup = value;
 306         GtkActionGroup *group;
 307
 308         group = create_action_group(folderview, fpopup);
 309         g_hash_table_insert(folderview->popups, fpopup->klass, group);
 310 }
 311
 312 static void folderview_column_set_titles(FolderView *folderview)
 313 {
 314         GtkWidget *ctree = folderview->ctree;
 315         GtkWidget *label_folder;
 316         GtkWidget *label_new;
 317         GtkWidget *label_unread;
 318         GtkWidget *label_total;
 319         GtkWidget *hbox_folder;
 320         GtkWidget *hbox_new;
 321         GtkWidget *hbox_unread;
 322         GtkWidget *hbox_total;
 323         gint *col_pos = folderview->col_pos;
 324
 325         debug_print("setting titles...\n");
 326         gtk_widget_realize(folderview->ctree);
 327         gtk_widget_show_all(folderview->scrolledwin);
 328
 329         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 330          * instead text (text overflows making them unreadable and ugly) */
 331         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_NEW,
 332                          &newxpm);
 333         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_UNREAD,
 334                          &unreadxpm);
 335         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_READ,
 336                          &readxpm);
 337
 338         label_folder = gtk_label_new(_("Folder"));
 339         label_new = gtk_image_new_from_pixbuf(newxpm);
 340         label_unread = gtk_image_new_from_pixbuf(unreadxpm);
 341         label_total = gtk_image_new_from_pixbuf(readxpm);
 342
 343         gtk_cmclist_column_titles_active(GTK_CMCLIST(ctree));
 344
 345         hbox_folder = gtk_hbox_new(FALSE, 4);
 346         hbox_new = gtk_hbox_new(FALSE, 4);
 347         hbox_unread = gtk_hbox_new(FALSE, 4);
 348         hbox_total = gtk_hbox_new(FALSE, 4);
 349
 350         /* left justified */
 351         gtk_box_pack_start(GTK_BOX(hbox_folder), label_folder, TRUE, TRUE, 0);
 352         gtk_misc_set_alignment (GTK_MISC (label_folder), 0, 0.5);
 353         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 354         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 355         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 356         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 357         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 358         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 359
 360         gtk_widget_show_all(hbox_folder);
 361         gtk_widget_show_all(hbox_new);
 362         gtk_widget_show_all(hbox_unread);
 363         gtk_widget_show_all(hbox_total);
 364
 365 #ifdef GENERIC_UMPC
 366         gtk_widget_set_size_request(hbox_new, -1, 20);
 367         gtk_widget_set_size_request(hbox_unread, -1, 20);
 368         gtk_widget_set_size_request(hbox_total, -1, 20);
 369 #endif
 370
 371         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_FOLDER],hbox_folder);
 372         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 373         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 374         gtk_cmclist_set_column_widget(GTK_CMCLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 375
 376 #ifdef GENERIC_UMPC
 377         GTK_EVENTS_FLUSH();
 378 #endif
 379
 380         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_NEW], _("New"));
 381         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_UNREAD], _("Unread"));
 382         gtk_sctree_set_column_tooltip(GTK_SCTREE(ctree), col_pos[F_COL_TOTAL], _("Total"));
 383 }
 384
 385 static gboolean folderview_popup_menu(GtkWidget *widget, gpointer data)
 386 {
 387         FolderView *folderview = (FolderView *)data;
 388         GdkEventButton event;
 389         if (folderview_get_selected_item(folderview) == NULL)
 390                 return FALSE;
 391
 392         event.button = 3;
 393         event.time = gtk_get_current_event_time();
 394
 395         folderview_set_sens_and_popup_menu(folderview, -1,
 396                                 &event);
 397
 398         return TRUE;
 399 }
 400
 401
 402 static GtkWidget *folderview_ctree_create(FolderView *folderview)
 403 {
 404         GtkWidget *ctree;
 405         gint *col_pos;
 406         FolderColumnState *col_state;
 407         FolderColumnType type;
 408         gchar *titles[N_FOLDER_COLS];
 409         gint i;
 410         GtkWidget *scrolledwin = folderview->scrolledwin;
 411
 412         debug_print("creating tree...\n");
 413         memset(titles, 0, sizeof(titles));
 414
 415         col_state = prefs_folder_column_get_config();
 416         memset(titles, 0, sizeof(titles));
 417
 418         col_pos = folderview->col_pos;
 419
 420         for (i = 0; i < N_FOLDER_COLS; i++) {
 421                 folderview->col_state[i] = col_state[i];
 422                 type = col_state[i].type;
 423                 col_pos[type] = i;
 424         }
 425
 426         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 427         titles[col_pos[F_COL_NEW]]    = _("New");
 428         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 429         /* TRANSLATORS: This in Number sign in American style */
 430         titles[col_pos[F_COL_TOTAL]]  = _("#");
 431
 432         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 433                                            titles);
 434
 435         if (prefs_common.show_col_headers == FALSE)
 436                 gtk_cmclist_column_titles_hide(GTK_CMCLIST(ctree));
 437
 438
 439         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_BROWSE);
 440         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree), col_pos[F_COL_NEW],
 441                                            GTK_JUSTIFY_RIGHT);
 442         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 443                                            col_pos[F_COL_UNREAD],
 444                                            GTK_JUSTIFY_RIGHT);
 445         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree),
 446                                            col_pos[F_COL_TOTAL],
 447                                            GTK_JUSTIFY_RIGHT);
 448         gtk_cmctree_set_line_style(GTK_CMCTREE(ctree), GTK_CMCTREE_LINES_NONE);
 449         gtk_cmctree_set_expander_style(GTK_CMCTREE(ctree),
 450                              GTK_CMCTREE_EXPANDER_TRIANGLE);
 451
 452         gtk_sctree_set_stripes(GTK_SCTREE(ctree), prefs_common.use_stripes_in_summaries);
 453         gtk_sctree_set_recursive_expand(GTK_SCTREE(ctree), FALSE);
 454
 455         gtk_cmctree_set_indent(GTK_CMCTREE(ctree), CTREE_INDENT);
 456         gtk_cmclist_set_compare_func(GTK_CMCLIST(ctree), folderview_clist_compare);
 457
 458         /* don't let title buttons take key focus */
 459         for (i = 0; i < N_FOLDER_COLS; i++) {
 460                 gtkut_widget_set_can_focus(GTK_CMCLIST(ctree)->column[i].button, FALSE);
 461                 gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), col_pos[i],
 462                                    prefs_common.folder_col_size[i]);
 463                 gtk_cmclist_set_column_visibility
 464                         (GTK_CMCLIST(ctree), i, col_state[i].visible);
 465         }
 466
 467         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 468                          G_CALLBACK(folderview_key_pressed),
 469                          folderview);
 470         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 471                          G_CALLBACK(folderview_button_pressed),
 472                          folderview);
 473         g_signal_connect(G_OBJECT(ctree), "popup-menu",
 474                          G_CALLBACK(folderview_popup_menu), folderview);
 475         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 476                          G_CALLBACK(folderview_button_released),
 477                          folderview);
 478         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 479                          G_CALLBACK(folderview_selected), folderview);
 480 #ifndef GENERIC_UMPC
 481         /* drag-n-dropping folders on maemo is impractical as this
 482          * opens the folder almost everytime */
 483         g_signal_connect(G_OBJECT(ctree), "start_drag",
 484                          G_CALLBACK(folderview_start_drag), folderview);
 485 #endif
 486         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 487                          G_CALLBACK(folderview_drag_data_get),
 488                          folderview);
 489
 490         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 491                                G_CALLBACK(folderview_tree_expanded),
 492                                folderview);
 493         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 494                                G_CALLBACK(folderview_tree_collapsed),
 495                                folderview);
 496
 497         g_signal_connect(G_OBJECT(ctree), "resize_column",
 498                          G_CALLBACK(folderview_col_resized),
 499                          folderview);
 500
 501         /* drop callback */
 502         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 503                           folderview_drag_types, 2,
 504                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 505         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 506                          G_CALLBACK(folderview_drag_motion_cb),
 507                          folderview);
 508         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 509                          G_CALLBACK(folderview_drag_leave_cb),
 510                          folderview);
 511         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 512                          G_CALLBACK(folderview_drag_received_cb),
 513                          folderview);
 514         g_signal_connect(G_OBJECT(ctree), "drag_end",
 515                          G_CALLBACK(folderview_drag_end_cb),
 516                          folderview);
 517
 518         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 519
 520         return ctree;
 521 }
 522
 523 void folderview_set_column_order(FolderView *folderview)
 524 {
 525         GtkWidget *ctree = folderview->ctree;
 526         FolderItem *item = folderview_get_selected_item(folderview);
 527         FolderItem *sel_item = NULL, *op_item = NULL;
 528         GtkWidget *scrolledwin = folderview->scrolledwin;
 529
 530         if (folderview->selected)
 531                 sel_item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(ctree), folderview->selected);
 532         if (folderview->opened)
 533                 op_item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(ctree), folderview->opened);
 534
 535         debug_print("recreating tree...\n");
 536         gtk_widget_destroy(folderview->ctree);
 537
 538
 539         folderview->ctree = ctree = folderview_ctree_create(folderview);
 540         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 541                                             GTK_CMCLIST(ctree)->hadjustment);
 542         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 543                                             GTK_CMCLIST(ctree)->vadjustment);
 544         gtk_widget_show(ctree);
 545
 546         if (sel_item)
 547                 folderview->selected = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, sel_item);
 548         if (op_item)
 549                 folderview->opened = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, op_item);
 550
 551         folderview_set(folderview);
 552         folderview_column_set_titles(folderview);
 553
 554         folderview_select(folderview,item);
 555 }
 556
 557 FolderView *folderview_create(void)
 558 {
 559         FolderView *folderview;
 560         GtkWidget *scrolledwin;
 561         GtkWidget *ctree;
 562
 563         debug_print("Creating folder view...\n");
 564         folderview = g_new0(FolderView, 1);
 565
 566         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 567         gtk_scrolled_window_set_policy
 568                 (GTK_SCROLLED_WINDOW(scrolledwin),
 569                  GTK_POLICY_AUTOMATIC,
 570                  prefs_common.folderview_vscrollbar_policy);
 571         gtk_widget_set_size_request(scrolledwin,
 572                              prefs_common.folderview_width,
 573                              prefs_common.folderview_height);
 574
 575         folderview->scrolledwin  = scrolledwin;
 576         ctree = folderview_ctree_create(folderview);
 577
 578         /* create popup factories */
 579         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 580         g_hash_table_foreach(folderview_popups, create_action_groups, folderview);
 581
 582         folderview->ctree        = ctree;
 583
 584         folderview->folder_update_callback_id =
 585                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 586         folderview->folder_item_update_callback_id =
 587                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 588
 589         gtk_widget_show_all(scrolledwin);
 590
 591         folderview->target_list = gtk_target_list_new(folderview_drag_types, 2);
 592         folderview_list = g_list_append(folderview_list, folderview);
 593         folderview->deferred_refresh_id = -1;
 594         folderview->scroll_timeout_id = -1;
 595         return folderview;
 596 }
 597
 598 void folderview_init(FolderView *folderview)
 599 {
 600         GtkWidget *ctree = folderview->ctree;
 601         GdkColor gdk_color;
 602
 603         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm);
 604         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm);
 605         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm);
 606         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm);
 607         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm);
 608         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm);
 609         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm);
 610         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm);
 611         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm);
 612         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm);
 613         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm);
 614         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm);
 615         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm);
 616         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm);
 617         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm);
 618         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm);
 619         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm);
 620         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm);
 621         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm);
 622         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm);
 623         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm);
 624         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm);
 625         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm);
 626
 627         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm);
 628         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm);
 629         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm);
 630         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm);
 631         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm);
 632         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm);
 633         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm);
 634         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm);
 635         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm);
 636         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm);
 637         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm);
 638         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm);
 639         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm);
 640         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm);
 641         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm);
 642         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm);
 643         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm);
 644         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm);
 645         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm);
 646         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm);
 647         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm);
 648         stock_pixbuf_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm);
 649
 650         if (!normal_style) {
 651                 PangoFontDescription *font_desc;
 652                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 653                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 654                 if (font_desc) {
 655                         if (normal_style->font_desc)
 656                                 pango_font_description_free
 657                                         (normal_style->font_desc);
 658                         normal_style->font_desc = font_desc;
 659                 }
 660                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 661                 normal_color_style = gtk_style_copy(normal_style);
 662                 normal_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 663
 664                 gtk_widget_set_style(ctree, normal_style);
 665         }
 666
 667         if (!bold_style) {
 668                 gtkut_convert_int_to_gdk_color(prefs_common.color_new, &gdk_color);
 669                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 670                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 671                         pango_font_description_set_weight
 672                                 (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 673                 } else {
 674                         PangoFontDescription *font_desc;
 675                         font_desc = pango_font_description_from_string(BOLD_FONT);
 676                         if (font_desc) {
 677                                 if (bold_style->font_desc)
 678                                         pango_font_description_free
 679                                                 (bold_style->font_desc);
 680                                 bold_style->font_desc = font_desc;
 681                         }
 682                 }
 683                 bold_color_style = gtk_style_copy(bold_style);
 684                 bold_color_style->fg[GTK_STATE_NORMAL] = gdk_color;
 685
 686                 bold_tgtfold_style = gtk_style_copy(bold_style);
 687                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 688         }
 689 }
 690
 691 static gboolean folderview_defer_set(gpointer data)
 692 {
 693         FolderView *folderview = (FolderView *)data;
 694         MainWindow *mainwin = folderview->mainwin;
 695
 696         if (!mainwin)
 697                 return FALSE;
 698         if (mainwin->lock_count)
 699                 return TRUE;
 700
 701         debug_print("doing deferred folderview_set now\n");
 702         folderview_set(folderview);
 703
 704         folderview->deferred_refresh_id = -1;
 705         return FALSE;
 706 }
 707
 708 void folderview_set(FolderView *folderview)
 709 {
 710         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 711         MainWindow *mainwin = folderview->mainwin;
 712         FolderItem *sel_item = NULL, *op_item = NULL;
 713
 714         if (!mainwin)
 715                 return;
 716
 717         if (mainwin->lock_count) {
 718                 if (folderview->deferred_refresh_id == -1)
 719                         folderview->deferred_refresh_id =
 720                                 g_timeout_add(500, folderview_defer_set, folderview);
 721                 debug_print("deferred folderview_set\n");
 722                 return;
 723         }
 724
 725         inc_lock();
 726         debug_print("Setting folder info...\n");
 727         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 728
 729         main_window_cursor_wait(mainwin);
 730
 731         if (folderview->selected)
 732                 sel_item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
 733         if (folderview->opened)
 734                 op_item = gtk_cmctree_node_get_row_data(ctree, folderview->opened);
 735
 736         folderview->selected = NULL;
 737         folderview->opened = NULL;
 738
 739         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
 740         gtk_cmclist_clear(GTK_CMCLIST(ctree));
 741
 742         folderview_set_folders(folderview);
 743
 744         if (sel_item)
 745                 folderview->selected = gtk_cmctree_find_by_row_data(ctree, NULL, sel_item);
 746         if (op_item)
 747                 folderview->opened = gtk_cmctree_find_by_row_data(ctree, NULL, op_item);
 748
 749         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
 750         main_window_cursor_normal(mainwin);
 751         STATUSBAR_POP(mainwin);
 752         inc_unlock();
 753 }
 754
 755 void folderview_set_all(void)
 756 {
 757         GList *list;
 758
 759         for (list = folderview_list; list != NULL; list = list->next)
 760                 folderview_set((FolderView *)list->data);
 761 }
 762
 763 void folderview_select(FolderView *folderview, FolderItem *item)
 764 {
 765         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 766         GtkCMCTreeNode *node;
 767         GtkCMCTreeNode *old_selected = folderview->selected;
 768
 769         if (!item) return;
 770
 771         node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
 772         if (node) folderview_select_node(folderview, node);
 773
 774         if (old_selected != node)
 775                 folder_update_op_count();
 776 }
 777
 778 static void mark_all_read_cb(GtkAction *action, gpointer data)
 779 {
 780         FolderView *folderview = (FolderView *)data;
 781         FolderItem *item;
 782         AlertValue val;
 783
 784         item = folderview_get_selected_item(folderview);
 785         if (item == NULL)
 786                 return;
 787
 788         if (folderview->summaryview->folder_item != item
 789         &&  prefs_common.ask_mark_all_read) {
 790                 val = alertpanel_full(_("Mark all as read"),
 791                         _("Do you really want to mark all mails in this "
 792                           "folder as read?"), GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 793                           TRUE, NULL, ALERT_QUESTION, G_ALERTDEFAULT);
 794
 795                 if ((val & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
 796                         return;
 797                 else if (val & G_ALERTDISABLE)
 798                         prefs_common.ask_mark_all_read = FALSE;
 799         }
 800
 801
 802         folder_item_update_freeze();
 803         if (folderview->summaryview->folder_item != item)
 804                 summary_lock(folderview->summaryview);
 805         else
 806                 summary_freeze(folderview->summaryview);
 807
 808         folderutils_mark_all_read(item);
 809
 810         if (folderview->summaryview->folder_item != item)
 811                 summary_unlock(folderview->summaryview);
 812         else
 813                 summary_thaw(folderview->summaryview);
 814         folder_item_update_thaw();
 815 }
 816
 817 static void folderview_select_node(FolderView *folderview, GtkCMCTreeNode *node)
 818 {
 819         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 820
 821         cm_return_if_fail(node != NULL);
 822
 823         if (folderview->open_folder) {
 824                 return;
 825         }
 826
 827         folderview->open_folder = TRUE;
 828         gtkut_ctree_set_focus_row(ctree, node);
 829         gtk_cmctree_select(ctree, node);
 830         if ((folderview->summaryview->folder_item &&
 831             folderview->summaryview->folder_item->total_msgs > 0) ||
 832              prefs_common.layout_mode == SMALL_LAYOUT)
 833                 summary_grab_focus(folderview->summaryview);
 834         else
 835                 gtk_widget_grab_focus(folderview->ctree);
 836
 837         gtkut_ctree_expand_parent_all(ctree, node);
 838 }
 839
 840 void folderview_unselect(FolderView *folderview)
 841 {
 842         if (folderview->opened && !GTK_CMCTREE_ROW(folderview->opened)->children)
 843                 gtk_cmctree_collapse
 844                         (GTK_CMCTREE(folderview->ctree), folderview->opened);
 845
 846         folderview->selected = folderview->opened = NULL;
 847 }
 848
 849 static GtkCMCTreeNode *folderview_find_next_marked(GtkCMCTree *ctree,
 850                                                  GtkCMCTreeNode *node)
 851 {
 852         FolderItem *item;
 853
 854         if (node)
 855                 node = gtkut_ctree_node_next(ctree, node);
 856         else
 857                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 858
 859         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 860                 item = gtk_cmctree_node_get_row_data(ctree, node);
 861                 if (item && item->marked_msgs > 0 && item->stype != F_TRASH)
 862                         return node;
 863         }
 864
 865         return NULL;
 866 }
 867
 868 void folderview_select_next_marked(FolderView *folderview)
 869 {
 870         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 871         GtkCMCTreeNode *node = NULL;
 872         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 873         gboolean last_open = prefs_common.always_show_msg;
 874
 875         prefs_common.summary_select_prio[0] = ACTION_MARKED;
 876         prefs_common.always_show_msg = OPENMSG_ALWAYS;
 877
 878         if ((node = folderview_find_next_marked(ctree, folderview->opened))
 879             != NULL) {
 880                 folderview_select_node(folderview, node);
 881                 goto out;
 882         }
 883
 884         if (!folderview->opened ||
 885             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
 886                 goto out;
 887         }
 888         /* search again from the first node */
 889         if ((node = folderview_find_next_marked(ctree, NULL)) != NULL)
 890                 folderview_select_node(folderview, node);
 891
 892 out:
 893         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 894         prefs_common.always_show_msg = last_open;
 895 }
 896
 897 static GtkCMCTreeNode *folderview_find_next_unread(GtkCMCTree *ctree,
 898                                                  GtkCMCTreeNode *node)
 899 {
 900         FolderItem *item;
 901
 902         if (node)
 903                 node = gtkut_ctree_node_next(ctree, node);
 904         else
 905                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 906
 907         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 908                 item = gtk_cmctree_node_get_row_data(ctree, node);
 909                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 910                         return node;
 911         }
 912
 913         return NULL;
 914 }
 915
 916 void folderview_select_next_unread(FolderView *folderview, gboolean force_open)
 917 {
 918         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 919         GtkCMCTreeNode *node = NULL;
 920         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 921         gboolean last_open = prefs_common.always_show_msg;
 922
 923         prefs_common.summary_select_prio[0] = ACTION_UNREAD;
 924         prefs_common.always_show_msg = force_open ? OPENMSG_ALWAYS : last_open;
 925
 926         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 927             != NULL) {
 928                 folderview_select_node(folderview, node);
 929                 goto out;
 930         }
 931
 932         if (!folderview->opened ||
 933             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
 934                 goto out;
 935         }
 936         /* search again from the first node */
 937         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 938                 folderview_select_node(folderview, node);
 939
 940 out:
 941         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 942         prefs_common.always_show_msg = last_open;
 943 }
 944
 945 static GtkCMCTreeNode *folderview_find_next_new(GtkCMCTree *ctree,
 946                                                  GtkCMCTreeNode *node)
 947 {
 948         FolderItem *item;
 949
 950         if (node)
 951                 node = gtkut_ctree_node_next(ctree, node);
 952         else
 953                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 954
 955         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 956                 item = gtk_cmctree_node_get_row_data(ctree, node);
 957                 if (item && item->new_msgs > 0 && item->stype != F_TRASH)
 958                         return node;
 959         }
 960
 961         return NULL;
 962 }
 963
 964 void folderview_select_next_new(FolderView *folderview)
 965 {
 966         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 967         GtkCMCTreeNode *node = NULL;
 968         EntryAction last_summary_select_prio = prefs_common.summary_select_prio[0];
 969         gboolean last_open = prefs_common.always_show_msg;
 970
 971         prefs_common.summary_select_prio[0] = ACTION_NEW;
 972         prefs_common.always_show_msg = OPENMSG_ALWAYS;
 973
 974         if ((node = folderview_find_next_new(ctree, folderview->opened))
 975             != NULL) {
 976                 folderview_select_node(folderview, node);
 977                 goto out;
 978         }
 979
 980         if (!folderview->opened ||
 981             folderview->opened == GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list)) {
 982                 goto out;
 983         }
 984         /* search again from the first node */
 985         if ((node = folderview_find_next_new(ctree, NULL)) != NULL)
 986                 folderview_select_node(folderview, node);
 987
 988 out:
 989         prefs_common.summary_select_prio[0] = last_summary_select_prio;
 990         prefs_common.always_show_msg = last_open;
 991 }
 992
 993 FolderItem *folderview_get_selected_item(FolderView *folderview)
 994 {
 995         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
 996
 997         if (!folderview->selected) return NULL;
 998         return gtk_cmctree_node_get_row_data(ctree, folderview->selected);
 999 }
1000
1001 static void folderview_set_folders(FolderView *folderview)
1002 {
1003         GList *list;
1004         list = folder_get_list();
1005
1006         for (; list != NULL; list = list->next) {
1007                 folderview_append_folder(folderview, FOLDER(list->data));
1008         }
1009 }
1010
1011 static gchar *get_scan_str(FolderItem *item)
1012 {
1013         if (item->path)
1014                 return g_strdup_printf(_("Scanning folder %s%c%s..."),
1015                                       item->folder->name, G_DIR_SEPARATOR,
1016                                       item->path);
1017         else
1018                 return g_strdup_printf(_("Scanning folder %s..."),
1019                                       item->folder->name);
1020 }
1021 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
1022                                       gpointer data)
1023 {
1024         GList *list;
1025         for (list = folderview_list; list != NULL; list = list->next) {
1026                 FolderView *folderview = (FolderView *)list->data;
1027                 MainWindow *mainwin = folderview->mainwin;
1028                 gchar *str = get_scan_str(item);
1029
1030                 STATUSBAR_PUSH(mainwin, str);
1031                 STATUSBAR_POP(mainwin);
1032                 g_free(str);
1033         }
1034 }
1035
1036 void folderview_rescan_tree(Folder *folder, gboolean rebuild)
1037 {
1038         GtkWidget *window;
1039         MainWindow *mainwin = mainwindow_get_mainwindow();
1040         FolderView *folderview = NULL;
1041         GtkAdjustment *pos = NULL;
1042         gint height = 0;
1043
1044         cm_return_if_fail(folder != NULL);
1045
1046         if (!folder->klass->scan_tree) return;
1047
1048         if (rebuild &&
1049             alertpanel_full(_("Rebuild folder tree"),
1050                          _("Rebuilding the folder tree will remove "
1051                            "local caches. Do you want to continue?"),
1052                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, FALSE,
1053                          NULL, ALERT_WARNING, G_ALERTDEFAULT)
1054                 != G_ALERTALTERNATE) {
1055                 return;
1056         }
1057
1058         inc_lock();
1059         if (rebuild)
1060                 window = label_window_create(_("Rebuilding folder tree..."));
1061         else
1062                 window = label_window_create(_("Scanning folder tree..."));
1063
1064         if (mainwin)
1065                 folderview = mainwin->folderview;
1066
1067         if (folderview) {
1068                 pos = gtk_scrolled_window_get_vadjustment(
1069                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1070                 height = gtk_adjustment_get_value(pos);
1071         }
1072
1073         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
1074         folder_scan_tree(folder, rebuild);
1075         folder_set_ui_func(folder, NULL, NULL);
1076
1077         folderview_set_all();
1078
1079         if (folderview) {
1080                 pos = gtk_scrolled_window_get_vadjustment(
1081                                         GTK_SCROLLED_WINDOW(folderview->scrolledwin));
1082                 gtk_adjustment_set_value(pos, height);
1083                 gtk_adjustment_changed(pos);
1084         }
1085         label_window_destroy(window);
1086         inc_unlock();
1087 }
1088
1089 /** folderview_check_new()
1090  *  Scan and update the folder and return the
1091  *  count the number of new messages since last check.
1092  *  \param folder the folder to check for new messages
1093  *  \return the number of new messages since last check
1094  */
1095 gint folderview_check_new(Folder *folder)
1096 {
1097         GList *list;
1098         FolderItem *item;
1099         FolderView *folderview;
1100         GtkCMCTree *ctree;
1101         GtkCMCTreeNode *node;
1102         gint new_msgs = 0;
1103         gint former_new_msgs = 0;
1104         gint former_new = 0, former_unread = 0, former_total;
1105
1106         for (list = folderview_list; list != NULL; list = list->next) {
1107                 folderview = (FolderView *)list->data;
1108                 ctree = GTK_CMCTREE(folderview->ctree);
1109                 folderview->scanning_folder = folder;
1110                 inc_lock();
1111                 main_window_lock(folderview->mainwin);
1112
1113                 for (node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
1114                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
1115                         gchar *str = NULL;
1116                         item = gtk_cmctree_node_get_row_data(ctree, node);
1117                         if (!item || !item->path || !item->folder) continue;
1118                         if (item->no_select) continue;
1119                         if (folder && folder != item->folder) continue;
1120                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
1121                         if (!item->prefs->newmailcheck) continue;
1122                         if (item->processing_pending == TRUE) {
1123                                 debug_print("skipping %s, processing pending\n",
1124                                         item->path ? item->path : item->name);
1125                                 continue;
1126                         }
1127                         if (item->scanning != ITEM_NOT_SCANNING) {
1128                                 debug_print("skipping %s, scanning\n",
1129                                         item->path ? item->path : item->name);
1130                                 continue;
1131                         }
1132
1133                         str = get_scan_str(item);
1134
1135                         STATUSBAR_PUSH(folderview->mainwin, str);
1136                         GTK_EVENTS_FLUSH();
1137                         g_free(str);
1138
1139                         folderview_scan_tree_func(item->folder, item, NULL);
1140                         former_new    = item->new_msgs;
1141                         former_unread = item->unread_msgs;
1142                         former_total  = item->total_msgs;
1143
1144                         if (item->folder->klass->scan_required &&
1145                             (item->folder->klass->scan_required(item->folder, item) ||
1146                              item->folder->inbox == item ||
1147                              item->opened == TRUE ||
1148                              item->processing_pending == TRUE)) {
1149                                 if (folder_item_scan(item) < 0) {
1150                                         if (folder) {
1151                                                 summaryview_unlock(folderview->summaryview, item);
1152                                                 if (FOLDER_TYPE(item->folder) == F_NEWS || FOLDER_IS_LOCAL(folder)) {
1153                                                         log_error(LOG_PROTOCOL, _("Couldn't scan folder %s\n"),
1154                                                                 item->path ? item->path:item->name);
1155                                                         STATUSBAR_POP(folderview->mainwin);
1156                                                         continue;
1157                                                 } else if (!FOLDER_IS_LOCAL(folder)) {
1158                                                         STATUSBAR_POP(folderview->mainwin);
1159                                                         break;
1160                                                 }
1161                                         }
1162                                 }
1163                         } else if (!item->folder->klass->scan_required) {
1164                                 if (folder_item_scan(item) < 0) {
1165                                         summaryview_unlock(folderview->summaryview, item);
1166                                         if (folder && !FOLDER_IS_LOCAL(folder)) {
1167                                                 STATUSBAR_POP(folderview->mainwin);
1168                                                 break;
1169                                         }
1170                                 }
1171                         }
1172                         if (former_new    != item->new_msgs ||
1173                             former_unread != item->unread_msgs ||
1174                             former_total  != item->total_msgs)
1175                                 folderview_update_node(folderview, node);
1176
1177                         new_msgs += item->new_msgs;
1178                         former_new_msgs += former_new;
1179                         STATUSBAR_POP(folderview->mainwin);
1180                 }
1181                 folderview->scanning_folder = NULL;
1182                 main_window_unlock(folderview->mainwin);
1183                 inc_unlock();
1184         }
1185
1186         folder_write_list();
1187         /* Number of new messages since last check is the just the difference
1188          * between former_new_msgs and new_msgs. If new_msgs is less than
1189          * former_new_msgs, that would mean another session accessed the folder
1190          * and the result is not well defined.
1191          */
1192         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1193         return new_msgs;
1194 }
1195
1196 void folderview_check_new_all(void)
1197 {
1198         GList *list;
1199         GtkWidget *window;
1200         FolderView *folderview;
1201
1202         folderview = (FolderView *)folderview_list->data;
1203
1204         inc_lock();
1205         main_window_lock(folderview->mainwin);
1206         window = label_window_create
1207                 (_("Checking for new messages in all folders..."));
1208
1209         list = folder_get_list();
1210         for (; list != NULL; list = list->next) {
1211                 Folder *folder = list->data;
1212
1213                 folderview_check_new(folder);
1214         }
1215
1216         folder_write_list();
1217         folderview_set_all();
1218
1219         label_window_destroy(window);
1220         main_window_unlock(folderview->mainwin);
1221         inc_unlock();
1222 }
1223
1224 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1225                                                  FolderItem *item,
1226                                                  gboolean in_sub)
1227 {
1228         GNode *node = NULL;
1229
1230         if (!item || !item->folder || !item->folder->node)
1231                 return FALSE;
1232
1233         node = item->folder->node;
1234
1235         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1236         node = node->children;
1237
1238         if (in_sub &&
1239             (item->new_msgs > 0 ||
1240             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1241                 return TRUE;
1242         }
1243
1244         while (node != NULL) {
1245                 if (node && node->data) {
1246                         FolderItem *next_item = (FolderItem*) node->data;
1247                         node = node->next;
1248                         if (folderview_have_new_children_sub(folderview,
1249                                                              next_item, TRUE))
1250                                 return TRUE;
1251                 }
1252         }
1253
1254         return FALSE;
1255 }
1256
1257 static gboolean folderview_have_new_children(FolderView *folderview,
1258                                              FolderItem *item)
1259 {
1260         return folderview_have_new_children_sub(folderview, item, FALSE);
1261 }
1262
1263 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1264                                                     FolderItem *item,
1265                                                     gboolean in_sub)
1266 {
1267         GNode *node = NULL;
1268
1269         if (!item || !item->folder || !item->folder->node)
1270                 return FALSE;
1271
1272         node = item->folder->node;
1273
1274         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1275         node = node->children;
1276
1277         if (in_sub &&
1278             (item->unread_msgs > 0 ||
1279             (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0))) {
1280                 return TRUE;
1281         }
1282
1283         while (node != NULL) {
1284                 if (node && node->data) {
1285                         FolderItem *next_item = (FolderItem*) node->data;
1286                         node = node->next;
1287                         if (folderview_have_unread_children_sub(folderview,
1288                                                                 next_item,
1289                                                                 TRUE))
1290                                 return TRUE;
1291                 }
1292         }
1293
1294         return FALSE;
1295 }
1296
1297 static gboolean folderview_have_unread_children(FolderView *folderview,
1298                                                 FolderItem *item)
1299 {
1300         return folderview_have_unread_children_sub(folderview, item, FALSE);
1301 }
1302
1303 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1304                                                       FolderItem *item,
1305                                                       gboolean in_sub)
1306 {
1307         GNode *node = NULL;
1308
1309         if (!item || !item->folder || !item->folder->node)
1310                 return FALSE;
1311
1312         node = item->folder->node;
1313
1314         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1315         node = node->children;
1316
1317         if (in_sub && item->search_match){
1318                 return TRUE;
1319         }
1320
1321         while (node != NULL) {
1322                 if (node && node->data) {
1323                         FolderItem *next_item = (FolderItem*) node->data;
1324                         node = node->next;
1325                         if (folderview_have_matching_children_sub(folderview,
1326                                                                   next_item,
1327                                                                   TRUE))
1328                                 return TRUE;
1329                 }
1330         }
1331
1332         return FALSE;
1333 }
1334
1335 static gboolean folderview_have_matching_children(FolderView *folderview,
1336                                                   FolderItem *item)
1337 {
1338         return folderview_have_matching_children_sub(folderview, item, FALSE);
1339 }
1340
1341 static gboolean folderview_have_marked_children_sub(FolderView *folderview,
1342                                                     FolderItem *item,
1343                                                     gboolean in_sub)
1344 {
1345         GNode *node = NULL;
1346
1347         if (!item || !item->folder || !item->folder->node)
1348                 return FALSE;
1349
1350         node = item->folder->node;
1351
1352         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1353         node = node->children;
1354
1355         if (item->marked_msgs != 0) {
1356                 return TRUE;
1357         }
1358
1359         while (node != NULL) {
1360                 if (node && node->data) {
1361                         FolderItem *next_item = (FolderItem*) node->data;
1362                         node = node->next;
1363                         if (folderview_have_marked_children_sub(folderview,
1364                                                                 next_item, TRUE))
1365                                 return TRUE;
1366                 }
1367         }
1368
1369         return FALSE;
1370 }
1371
1372 static gboolean folderview_have_marked_children(FolderView *folderview,
1373                                              FolderItem *item)
1374 {
1375         return folderview_have_marked_children_sub(folderview, item, FALSE);
1376 }
1377
1378 static void folderview_update_node(FolderView *folderview, GtkCMCTreeNode *node)
1379 {
1380         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1381         GtkStyle *style = NULL;
1382         GtkStyle *color_style = NULL;
1383         FolderItem *item;
1384         GdkPixbuf *xpm, *openxpm;
1385         static GdkPixbuf *searchicon;
1386         gboolean mark = FALSE;
1387         gchar *name;
1388         gchar *str;
1389         gboolean add_unread_mark;
1390         gboolean add_sub_match_mark;
1391         gboolean use_bold, use_color;
1392         gint *col_pos = folderview->col_pos;
1393         SpecialFolderItemType stype;
1394
1395         item = gtk_cmctree_node_get_row_data(ctree, node);
1396         cm_return_if_fail(item != NULL);
1397
1398         if (!GTK_CMCTREE_ROW(node)->expanded)
1399                 mark = folderview_have_marked_children(folderview, item);
1400         else
1401                 mark = (item->marked_msgs != 0);
1402
1403         stype = item->stype;
1404         if (stype == F_NORMAL) {
1405                 if (folder_has_parent_of_type(item, F_TRASH))
1406                         stype = F_TRASH;
1407                 else if (folder_has_parent_of_type(item, F_DRAFT))
1408                         stype = F_DRAFT;
1409                 else if (folder_has_parent_of_type(item, F_OUTBOX))
1410                         stype = F_OUTBOX;
1411                 else if (folder_has_parent_of_type(item, F_QUEUE))
1412                         stype = F_QUEUE;
1413         }
1414         switch (stype) {
1415         case F_INBOX:
1416                 if (item->hide_read_msgs || item->hide_read_threads) {
1417                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1418                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1419                 } else {
1420                         xpm = mark?m_inboxxpm:inboxxpm;
1421                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1422                 }
1423                 break;
1424         case F_OUTBOX:
1425                 if (item->hide_read_msgs || item->hide_read_threads) {
1426                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1427                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1428                 } else {
1429                         xpm = mark?m_outboxxpm:outboxxpm;
1430                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1431                 }
1432                 break;
1433         case F_QUEUE:
1434                 if (item->hide_read_msgs || item->hide_read_threads) {
1435                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1436                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1437                 } else {
1438                         xpm = mark?m_queuexpm:queuexpm;
1439                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1440                 }
1441                 break;
1442         case F_TRASH:
1443                 if (item->hide_read_msgs || item->hide_read_threads) {
1444                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1445                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1446                 } else {
1447                         xpm = mark?m_trashxpm:trashxpm;
1448                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1449                 }
1450                 break;
1451         case F_DRAFT:
1452                 xpm = mark?m_draftsxpm:draftsxpm;
1453                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1454                 break;
1455         default:
1456                 if (item->hide_read_msgs || item->hide_read_threads) {
1457                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1458                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1459                 } else {
1460                         xpm = mark?m_folderxpm:folderxpm;
1461                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1462                 }
1463         }
1464
1465         if (item->no_select) {
1466                 xpm = openxpm = noselectxpm;
1467         }
1468
1469         name = folder_item_get_name(item);
1470
1471         if (!GTK_CMCTREE_ROW(node)->expanded) {
1472                 add_unread_mark = folderview_have_unread_children(
1473                                         folderview, item);
1474                 add_sub_match_mark = folderview_have_matching_children(
1475                                         folderview, item);
1476         } else {
1477                 add_unread_mark = FALSE;
1478                 add_sub_match_mark = FALSE;
1479         }
1480
1481         if (item->search_match) {
1482                 if (!searchicon) {
1483                         stock_pixbuf_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1484                          &searchicon);
1485                 }
1486                 xpm = openxpm = searchicon;
1487         }
1488
1489         str = NULL;
1490         if (prefs_common.display_folder_unread) {
1491                 if (folder_has_parent_of_type(item, F_QUEUE)) {
1492                         /* only total_msgs matters here */
1493                         if (item->total_msgs > 0) {
1494                                 /* show total number (should be equal to the unread number)
1495                                    and signs if any */
1496                                 str = g_strdup_printf("%s (%d%s%s)",
1497                                                         name, item->total_msgs,
1498                                                         (add_unread_mark || add_sub_match_mark) ? "+" : "",
1499                                                         (item->unreadmarked_msgs > 0) ? "!" : "");
1500                         }
1501                 } else {
1502                         if (prefs_common.display_folder_unread == 1) {
1503                                 if (item->unread_msgs > 0) {
1504                                         /* show unread number and signs */
1505                                         str = g_strdup_printf("%s (%d%s%s)",
1506                                                                 name, item->unread_msgs,
1507                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1508                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1509                                 }
1510                         } else {
1511                                 if (item->total_msgs > 0) {
1512                                         /* show unread number, total number and signs if any */
1513                                         str = g_strdup_printf("%s (%d/%d%s%s)",
1514                                                                 name, item->unread_msgs, item->total_msgs,
1515                                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1516                                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1517                                 }
1518                         }
1519                 }
1520                 if ((str == NULL) &&
1521                         (add_unread_mark || add_sub_match_mark || (item->unreadmarked_msgs > 0))) {
1522                         /* no unread/total numbers, but at least one sign */
1523                         str = g_strdup_printf("%s (%s%s)",
1524                                                 name,
1525                                                 (add_unread_mark || add_sub_match_mark) ? "+" : "",
1526                                                 (item->unreadmarked_msgs > 0) ? "!" : "");
1527                 }
1528         }
1529         if (str == NULL) {
1530                 /* last fallback, folder name only or with +! sign */
1531                 if (item->unreadmarked_msgs > 0 && add_sub_match_mark) {
1532                         str = g_strdup_printf("%s%s",
1533                                                 name, " (+!)");
1534                 } else if (item->unreadmarked_msgs > 0) {
1535                         str = g_strdup_printf("%s%s",
1536                                                 name, " (!)");
1537                 } else if (add_sub_match_mark) {
1538                         str = g_strdup_printf("%s%s",
1539                                                 name, " (+)");
1540                 } else {
1541                         str = g_strdup_printf("%s", name);
1542                 }
1543         }
1544         gtk_cmctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1545                                 xpm, openxpm,
1546                                 FALSE, GTK_CMCTREE_ROW(node)->expanded);
1547         g_free(str);
1548         g_free(name);
1549
1550         if (!folder_item_parent(item)) {
1551                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1552                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1553                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1554         } else {
1555                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    item->new_msgs    > 0 ? itos(item->new_msgs)    : prefs_common.zero_replacement);
1556                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], item->unread_msgs > 0 ? itos(item->unread_msgs) : prefs_common.zero_replacement);
1557                 gtk_cmctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  item->total_msgs  > 0 ? itos(item->total_msgs)  : prefs_common.zero_replacement);
1558         }
1559
1560         if (folder_has_parent_of_type(item, F_OUTBOX) ||
1561             folder_has_parent_of_type(item, F_TRASH)) {
1562                 use_bold = use_color = FALSE;
1563         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
1564                 GSList *list = folder_item_get_msg_list(item);
1565                 GSList *cur;
1566                 use_bold = use_color = FALSE;
1567                 for (cur = list; cur; cur = cur->next) {
1568                         MsgInfo *msginfo = (MsgInfo *)cur->data;
1569                         if (!MSG_IS_DELETED(msginfo->flags)) {
1570                                 /* highlight queue folder if there are any messages */
1571                                 use_bold = use_color = TRUE;
1572                                 break;
1573                         }
1574                 }
1575                 procmsg_msg_list_free(list);
1576         } else {
1577                 /* if unread messages exist, print with bold font */
1578                 use_bold = (item->unread_msgs > 0|| item->new_msgs > 0)
1579                                 || add_unread_mark;
1580                 /* if new messages exist, print with colored letter */
1581                 use_color =
1582                         (item->new_msgs > 0) ||
1583                         (add_unread_mark &&
1584                          folderview_have_new_children(folderview, item));
1585         }
1586
1587         gtk_cmctree_node_set_foreground(ctree, node, NULL);
1588
1589         if (use_bold) {
1590                 GdkColor gdk_color;
1591
1592                 if (item->prefs->color > 0 && !use_color) {
1593                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1594                         color_style = gtk_style_copy(bold_style);
1595                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1596                         style = color_style;
1597                 } else if (use_color) {
1598                         style = bold_color_style;
1599                 } else
1600                         style = bold_style;
1601                 if (item->op_count > 0) {
1602                         style = bold_tgtfold_style;
1603                 }
1604         } else if (use_color) {
1605                 style = normal_color_style;
1606                 gtk_cmctree_node_set_foreground(ctree, node,
1607                                               &folderview->color_new);
1608         } else if (item->op_count > 0) {
1609                 style = bold_tgtfold_style;
1610         } else if (item->prefs->color > 0) {
1611                 GdkColor gdk_color;
1612                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1613                 color_style = gtk_style_copy(normal_style);
1614                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1615                 style = color_style;
1616         } else {
1617                 style = normal_style;
1618         }
1619
1620         gtk_cmctree_node_set_row_style(ctree, node, style);
1621
1622         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1623                 folderview_update_node(folderview, node);
1624 }
1625
1626 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1627 {
1628         GList *list;
1629         FolderView *folderview;
1630         GtkCMCTree *ctree;
1631         GtkCMCTreeNode *node;
1632
1633         cm_return_if_fail(item != NULL);
1634
1635         for (list = folderview_list; list != NULL; list = list->next) {
1636                 folderview = (FolderView *)list->data;
1637                 ctree = GTK_CMCTREE(folderview->ctree);
1638
1639                 node = gtk_cmctree_find_by_row_data(ctree, NULL, item);
1640                 if (node && item->search_match != matches) {
1641                         item->search_match = matches;
1642                         folderview_update_node(folderview, node);
1643                 }
1644         }
1645 }
1646
1647 static gboolean folderview_update_item_claws(gpointer source, gpointer data)
1648 {
1649         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1650         FolderView *folderview = (FolderView *)data;
1651         GtkCMCTree *ctree;
1652         GtkCMCTreeNode *node;
1653         cm_return_val_if_fail(update_info != NULL, TRUE);
1654         cm_return_val_if_fail(update_info->item != NULL, TRUE);
1655         cm_return_val_if_fail(folderview != NULL, FALSE);
1656
1657         ctree = GTK_CMCTREE(folderview->ctree);
1658
1659         node = gtk_cmctree_find_by_row_data(ctree, NULL, update_info->item);
1660
1661         if (node) {
1662                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1663                         folderview_update_node(folderview, node);
1664
1665                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) &&
1666                      update_info->item == folderview->summaryview->folder_item &&
1667                      update_info->item != NULL)
1668                         if (!quicksearch_has_sat_predicate(folderview->summaryview->quicksearch))
1669                                 summary_show(folderview->summaryview, update_info->item);
1670         }
1671
1672         return FALSE;
1673 }
1674
1675 static gboolean folderview_gnode_func(GtkCMCTree *ctree, guint depth,
1676                                       GNode *gnode, GtkCMCTreeNode *cnode,
1677                                       gpointer data)
1678 {
1679         FolderView *folderview = (FolderView *)data;
1680         FolderItem *item = FOLDER_ITEM(gnode->data);
1681
1682         cm_return_val_if_fail(item != NULL, FALSE);
1683
1684         gtk_cmctree_node_set_row_data(ctree, cnode, item);
1685         folderview_update_node(folderview, cnode);
1686
1687         return TRUE;
1688 }
1689
1690 static void folderview_expand_func(GtkCMCTree *ctree, GtkCMCTreeNode *node,
1691                                    gpointer data)
1692 {
1693         FolderView *folderview = (FolderView *)data;
1694         FolderItem *item;
1695
1696         if (GTK_CMCTREE_ROW(node)->children) {
1697                 item = gtk_cmctree_node_get_row_data(ctree, node);
1698                 cm_return_if_fail(item != NULL);
1699
1700                 if (!item->collapsed)
1701                         gtk_cmctree_expand(ctree, node);
1702                 else
1703                         folderview_update_node(folderview, node);
1704         }
1705 }
1706
1707 static void set_special_folder(GtkCMCTree *ctree, FolderItem *item,
1708                                GtkCMCTreeNode *root, GtkCMCTreeNode **prev)
1709 {
1710         if (item) {
1711                 GtkCMCTreeNode *node, *parent, *sibling;
1712
1713                 node = gtk_cmctree_find_by_row_data(ctree, root, item);
1714                 if (!node)
1715                         g_warning("%s not found.\n", item->path);
1716                 else {
1717                         parent = GTK_CMCTREE_ROW(node)->parent;
1718                         if (*prev && parent == GTK_CMCTREE_ROW(*prev)->parent)
1719                                 sibling = GTK_CMCTREE_ROW(*prev)->sibling;
1720                         else
1721                                 sibling = GTK_CMCTREE_ROW(parent)->children;
1722                         while (sibling) {
1723                                 FolderItem *tmp;
1724
1725                                 tmp = gtk_cmctree_node_get_row_data
1726                                         (ctree, sibling);
1727                                 if (tmp->stype != F_NORMAL)
1728                                         sibling = GTK_CMCTREE_ROW(sibling)->sibling;
1729                                 else
1730                                         break;
1731                         }
1732                         if (node != sibling)
1733                                 gtk_cmctree_move(ctree, node, parent, sibling);
1734                 }
1735
1736                 *prev = node;
1737         }
1738 }
1739
1740 static void folderview_sort_folders(FolderView *folderview, GtkCMCTreeNode *root,
1741                                     Folder *folder)
1742 {
1743         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1744         GtkCMCTreeNode *prev = NULL;
1745
1746         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
1747         gtk_sctree_sort_recursive(ctree, root);
1748         if (root && GTK_CMCTREE_ROW(root)->parent) {
1749                 gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1750                 return;
1751         }
1752         set_special_folder(ctree, folder->inbox, root, &prev);
1753         set_special_folder(ctree, folder->outbox, root, &prev);
1754         set_special_folder(ctree, folder->draft, root, &prev);
1755         set_special_folder(ctree, folder->queue, root, &prev);
1756         set_special_folder(ctree, folder->trash, root, &prev);
1757         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
1758 }
1759
1760 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1761 {
1762         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
1763         GtkCMCTreeNode *root;
1764
1765         cm_return_if_fail(folder != NULL);
1766
1767         root = gtk_sctree_insert_gnode(ctree, NULL, NULL, folder->node,
1768                                       folderview_gnode_func, folderview);
1769         gtk_cmctree_pre_recursive(ctree, root, folderview_expand_func,
1770                                 folderview);
1771         folderview_sort_folders(folderview, root, folder);
1772 }
1773
1774 /* callback functions */
1775 static void folderview_set_sens_and_popup_menu(FolderView *folderview, gint row,
1776                                 GdkEventButton *event)
1777 {
1778         FolderItem *item;
1779         Folder *folder;
1780         FolderViewPopup *fpopup;
1781         GtkActionGroup *action_group;
1782         GtkWidget *popup;
1783         FolderItem *special_trash = NULL, *special_queue = NULL;
1784         PrefsAccount *ac;
1785         GtkUIManager *ui_manager = gtk_ui_manager_new();
1786
1787         if (folderview->ui_manager)
1788                 g_object_unref(folderview->ui_manager);
1789
1790         folderview->ui_manager = ui_manager;
1791         item = folderview_get_selected_item(folderview);
1792
1793         cm_return_if_fail(item != NULL);
1794         cm_return_if_fail(item->folder != NULL);
1795         folder = item->folder;
1796
1797         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1798
1799         if (fpopup != NULL)
1800                 action_group = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1801         else {
1802                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1803                 action_group = g_hash_table_lookup(folderview->popups, "common");
1804         }
1805
1806         gtk_ui_manager_insert_action_group(ui_manager, action_group, 0);
1807         MENUITEM_ADDUI_MANAGER(ui_manager, "/", "Popup", "Popup", GTK_UI_MANAGER_MENUBAR)
1808         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup", "FolderViewPopup", "FolderViewPopup", GTK_UI_MANAGER_MENU)
1809
1810         if (fpopup->add_menuitems)
1811                 fpopup->add_menuitems(ui_manager, item);
1812
1813         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MarkAllRead", "FolderViewPopup/MarkAllRead", GTK_UI_MANAGER_MENUITEM)
1814         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Separator1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1815         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RunProcessing", "FolderViewPopup/RunProcessing", GTK_UI_MANAGER_MENUITEM)
1816         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SearchFolder", "FolderViewPopup/SearchFolder", GTK_UI_MANAGER_MENUITEM)
1817         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Properties", "FolderViewPopup/Properties", GTK_UI_MANAGER_MENUITEM)
1818         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Processing", "FolderViewPopup/Processing", GTK_UI_MANAGER_MENUITEM)
1819
1820         if (fpopup->set_sensitivity != NULL)
1821                 fpopup->set_sensitivity(ui_manager, item);
1822
1823         if (NULL != (ac = account_find_from_item(item))) {
1824                 special_trash = account_get_special_folder(ac, F_TRASH);
1825                 special_queue = account_get_special_folder(ac, F_QUEUE);
1826         }
1827
1828         if ((item == folder->trash || item == special_trash
1829              || folder_has_parent_of_type(item, F_TRASH))) {
1830                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorTrash", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1831                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "EmptyTrash", "FolderViewPopup/EmptyTrash", GTK_UI_MANAGER_MENUITEM)
1832         }
1833
1834         if ((item == folder->queue || item == special_queue
1835              || folder_has_parent_of_type(item, F_QUEUE))) {
1836                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorQueue", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
1837                 MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SendQueue", "FolderViewPopup/SendQueue", GTK_UI_MANAGER_MENUITEM)
1838         }
1839
1840 #define SET_SENS(name, sens) \
1841         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
1842
1843         SET_SENS("FolderViewPopup/MarkAllRead", item->unread_msgs >= 1);
1844         SET_SENS("FolderViewPopup/SearchFolder", item->total_msgs >= 1 &&
1845                  folderview->selected == folderview->opened);
1846         SET_SENS("FolderViewPopup/Properties", TRUE);
1847
1848         SET_SENS("FolderViewPopup/RunProcessing", item->prefs->processing &&
1849                  item->total_msgs >= 1 && !item->processing_pending);
1850         SET_SENS("FolderViewPopup/Processing", item->node->parent != NULL &&
1851                 !item->no_select && !item->processing_pending);
1852
1853         if (item == folder->trash || item == special_trash
1854             || folder_has_parent_of_type(item, F_TRASH)) {
1855                 GSList *msglist = folder_item_get_msg_list(item);
1856                 SET_SENS("FolderViewPopup/EmptyTrash", msglist != NULL);
1857                 procmsg_msg_list_free(msglist);
1858         }
1859         if (item == folder->queue || item == special_queue
1860             || folder_has_parent_of_type(item, F_QUEUE)) {
1861                 GSList *msglist = folder_item_get_msg_list(item);
1862                 SET_SENS("FolderViewPopup/SendQueue", msglist != NULL);
1863                 procmsg_msg_list_free(msglist);
1864         }
1865 #undef SET_SENS
1866
1867         popup = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
1868                         gtk_ui_manager_get_widget(ui_manager, "/Popup/FolderViewPopup")) );
1869         g_signal_connect(G_OBJECT(popup), "selection_done",
1870                          G_CALLBACK(folderview_popup_close),
1871                          folderview);
1872         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1873                        event->button, event->time);
1874 }
1875
1876 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1877                                           FolderView *folderview)
1878 {
1879         GtkCMCList *clist = GTK_CMCLIST(ctree);
1880         gint prev_row = -1, row = -1, column = -1;
1881
1882         if (!event) return FALSE;
1883
1884         if (event->button == 1 || event->button == 2) {
1885                 if (!gtk_sctree_is_hot_spot (GTK_SCTREE(clist), event->x, event->y))
1886                         folderview->open_folder = TRUE;
1887
1888                 if (event->type == GDK_2BUTTON_PRESS) {
1889                         if (clist->selection) {
1890                                 GtkCMCTreeNode *node;
1891
1892                                 node = GTK_CMCTREE_NODE(clist->selection->data);
1893                                 if (node) {
1894                                         gtk_cmctree_toggle_expansion(
1895                                                 GTK_CMCTREE(ctree),
1896                                                 node);
1897                                         folderview->open_folder = FALSE;
1898                                 }
1899                         }
1900                 }
1901                 return FALSE;
1902         }
1903
1904         if (event->button == 2 || event->button == 3) {
1905                 /* right clicked */
1906                 if (clist->selection) {
1907                         GtkCMCTreeNode *node;
1908
1909                         node = GTK_CMCTREE_NODE(clist->selection->data);
1910                         if (node)
1911                                 prev_row = gtkut_ctree_get_nth_from_node
1912                                         (GTK_CMCTREE(ctree), node);
1913                 }
1914
1915                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
1916                                                   &row, &column))
1917                         return FALSE;
1918                 if (prev_row != row) {
1919                         gtk_cmclist_unselect_all(clist);
1920                         if (event->button == 2)
1921                                 folderview_select_node
1922                                         (folderview,
1923                                          gtk_cmctree_node_nth(GTK_CMCTREE(ctree),
1924                                                             row));
1925                         else
1926                                 gtk_cmclist_select_row(clist, row, column);
1927                 }
1928         }
1929
1930         if (event->button != 3) return FALSE;
1931
1932         folderview_set_sens_and_popup_menu(folderview, row, event);
1933         return FALSE;
1934 }
1935
1936 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1937                                            FolderView *folderview)
1938 {
1939         int row = -1, column = -1;
1940
1941         if (!event) return FALSE;
1942
1943         if (!gtk_cmclist_get_selection_info(GTK_CMCLIST(ctree), event->x, event->y,
1944                                           &row, &column))
1945                 return FALSE;
1946         if (event->button == 1 && folderview->open_folder == FALSE &&
1947             folderview->opened != NULL) {
1948                 gtkut_ctree_set_focus_row(GTK_CMCTREE(ctree),
1949                                           folderview->opened);
1950                 gtk_cmctree_select(GTK_CMCTREE(ctree), folderview->opened);
1951         }
1952
1953         return FALSE;
1954 }
1955
1956 #define BREAK_ON_MODIFIER_KEY() \
1957         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1958
1959 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1960                                        FolderView *folderview)
1961 {
1962         if (!event) return FALSE;
1963
1964         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1965                 return FALSE;
1966
1967         switch (event->keyval) {
1968         case GDK_KEY_Right:
1969 #ifndef GENERIC_UMPC
1970         case GDK_KEY_Return:
1971         case GDK_KEY_KP_Enter:
1972 #endif
1973                 if (folderview->selected) {
1974                         folderview_select_node(folderview,
1975                                                folderview->selected);
1976                 }
1977                 break;
1978 #ifdef GENERIC_UMPC
1979         case GDK_KEY_Return:
1980                 if (folderview->selected && GTK_CMCTREE_ROW(folderview->selected)->children) {
1981                         gtk_cmctree_toggle_expansion(
1982                                 GTK_CMCTREE(folderview->ctree),
1983                                 folderview->selected);
1984                 }
1985                 break;
1986 #endif
1987         case GDK_KEY_space:
1988                 BREAK_ON_MODIFIER_KEY();
1989                 if (folderview->selected) {
1990                         if (folderview->opened == folderview->selected &&
1991                             (!folderview->summaryview->folder_item ||
1992                              folderview->summaryview->folder_item->total_msgs == 0))
1993                                 folderview_select_next_unread(folderview, TRUE);
1994                         else
1995                                 folderview_select_node(folderview,
1996                                                        folderview->selected);
1997                 }
1998                 break;
1999         default:
2000                 break;
2001         }
2002
2003         return FALSE;
2004 }
2005
2006 typedef struct _PostponedSelectData
2007 {
2008         GtkCMCTree *ctree;
2009         GtkCMCTreeNode *row;
2010         gint column;
2011         FolderView *folderview;
2012 } PostponedSelectData;
2013
2014 static gboolean postpone_select(void *data)
2015 {
2016         PostponedSelectData *psdata = (PostponedSelectData *)data;
2017         debug_print("trying again\n");
2018         psdata->folderview->open_folder = TRUE;
2019         main_window_cursor_normal(psdata->folderview->mainwin);
2020         STATUSBAR_POP(psdata->folderview->mainwin);
2021         folderview_selected(psdata->ctree, psdata->row,
2022                             psdata->column, psdata->folderview);
2023         g_free(psdata);
2024         return FALSE;
2025 }
2026
2027 void folderview_close_opened(FolderView *folderview)
2028 {
2029         if (folderview->opened) {
2030                 FolderItem *olditem;
2031
2032                 olditem = gtk_cmctree_node_get_row_data(GTK_CMCTREE(folderview->ctree),
2033                                                       folderview->opened);
2034                 if (olditem) {
2035                         gchar *buf = g_strdup_printf(_("Closing folder %s..."),
2036                                 olditem->path ? olditem->path:olditem->name);
2037                         /* will be null if we just moved the previously opened folder */
2038                         STATUSBAR_PUSH(folderview->mainwin, buf);
2039                         main_window_cursor_wait(folderview->mainwin);
2040                         g_free(buf);
2041                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
2042                         summary_show(folderview->summaryview, NULL);
2043                         folder_item_close(olditem);
2044                         main_window_cursor_normal(folderview->mainwin);
2045                         STATUSBAR_POP(folderview->mainwin);
2046                         if (olditem->folder->klass->item_closed)
2047                                 olditem->folder->klass->item_closed(olditem);
2048
2049                 }
2050         }
2051
2052         if (folderview->opened &&
2053             !GTK_CMCTREE_ROW(folderview->opened)->children)
2054                 gtk_cmctree_collapse(GTK_CMCTREE(folderview->ctree), folderview->opened);
2055
2056         folderview->opened = NULL;
2057 }
2058 static void folderview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *row,
2059                                 gint column, FolderView *folderview)
2060 {
2061         static gboolean can_select = TRUE;      /* exclusive lock */
2062         gboolean opened;
2063         FolderItem *item;
2064         gchar *buf;
2065         int res = 0;
2066         GtkCMCTreeNode *old_opened = folderview->opened;
2067         START_TIMING("");
2068         folderview->selected = row;
2069
2070         debug_print("newly selected %p, opened %p\n", folderview->selected,
2071                         folderview->opened);
2072         if (folderview->opened == row) {
2073                 folderview->open_folder = FALSE;
2074                 END_TIMING();
2075                 return;
2076         }
2077
2078         item = gtk_cmctree_node_get_row_data(ctree, row);
2079         if (!item) {
2080                 END_TIMING();
2081                 folderview->open_folder = FALSE;
2082                 return;
2083         }
2084
2085         if (!can_select || summary_is_locked(folderview->summaryview)) {
2086                 if (folderview->opened) {
2087                         gtkut_ctree_set_focus_row(ctree, folderview->opened);
2088                         gtk_cmctree_select(ctree, folderview->opened);
2089                 }
2090                 folderview->open_folder = FALSE;
2091                 END_TIMING();
2092                 return;
2093         }
2094
2095         if (!folderview->open_folder) {
2096                 END_TIMING();
2097                 return;
2098         }
2099
2100         can_select = FALSE;
2101
2102         /* Save cache for old folder */
2103         /* We don't want to lose all caches if sylpheed crashed */
2104         /* resets folderview->opened to NULL */
2105         folderview_close_opened(folderview);
2106
2107         /* CLAWS: set compose button type: news folder items
2108          * always have a news folder as parent */
2109         if (item->folder)
2110                 toolbar_set_compose_button
2111                         (folderview->mainwin->toolbar,
2112                          FOLDER_TYPE(item->folder) == F_NEWS ?
2113                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
2114
2115         if (item->path)
2116                 debug_print("Folder %s is selected\n", item->path);
2117
2118         if (!GTK_CMCTREE_ROW(row)->children)
2119                 gtk_cmctree_expand(ctree, row);
2120
2121         /* ungrab the mouse event */
2122         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
2123                 gtk_grab_remove(GTK_WIDGET(ctree));
2124                 if (gdk_pointer_is_grabbed())
2125                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
2126         }
2127
2128         /* Open Folder */
2129         /* TODO: wwp: avoid displaying (null) in the status bar */
2130         buf = g_strdup_printf(_("Opening folder %s..."), item->path ?
2131                                         item->path : "(null)");
2132         debug_print("%s\n", buf);
2133         STATUSBAR_PUSH(folderview->mainwin, buf);
2134         g_free(buf);
2135
2136         main_window_cursor_wait(folderview->mainwin);
2137
2138         if (folderview->scanning_folder == item->folder) {
2139                 res = -2;
2140         } else {
2141                 res = folder_item_open(item);
2142         }
2143
2144         if (res == -1 && item->no_select == FALSE) {
2145                 main_window_cursor_normal(folderview->mainwin);
2146                 STATUSBAR_POP(folderview->mainwin);
2147
2148                 alertpanel_error(_("Folder could not be opened."));
2149
2150                 folderview->open_folder = FALSE;
2151                 can_select = TRUE;
2152                 END_TIMING();
2153                 return;
2154         } else if (res == -2 && item->no_select == FALSE) {
2155                 PostponedSelectData *data = g_new0(PostponedSelectData, 1);
2156                 data->ctree = ctree;
2157                 data->row = row;
2158                 data->column = column;
2159                 data->folderview = folderview;
2160                 debug_print("postponing open of %s till end of scan\n",
2161                         item->path ? item->path:item->name);
2162                 folderview->open_folder = FALSE;
2163                 can_select = TRUE;
2164                 g_timeout_add(500, postpone_select, data);
2165                 END_TIMING();
2166                 return;
2167         }
2168
2169         main_window_cursor_normal(folderview->mainwin);
2170
2171         /* Show messages */
2172         summary_set_prefs_from_folderitem(folderview->summaryview, item);
2173         opened = summary_show(folderview->summaryview, item);
2174
2175         folder_clean_cache_memory(item);
2176
2177         if (!opened) {
2178                 gtkut_ctree_set_focus_row(ctree, old_opened);
2179                 gtk_cmctree_select(ctree, old_opened);
2180                 folderview->opened = old_opened;
2181         } else {
2182                 folderview->opened = row;
2183                 if (gtk_cmctree_node_is_visible(ctree, row)
2184                     != GTK_VISIBILITY_FULL)
2185                         gtk_cmctree_node_moveto(ctree, row, -1, 0.5, 0);
2186         }
2187
2188         STATUSBAR_POP(folderview->mainwin);
2189
2190         folderview->open_folder = FALSE;
2191         can_select = TRUE;
2192         END_TIMING();
2193 }
2194
2195 static void folderview_tree_expanded(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2196                                      FolderView *folderview)
2197 {
2198         FolderItem *item;
2199
2200         item = gtk_cmctree_node_get_row_data(ctree, node);
2201         cm_return_if_fail(item != NULL);
2202         item->collapsed = FALSE;
2203         folderview_update_node(folderview, node);
2204 }
2205
2206 static void folderview_tree_collapsed(GtkCMCTree *ctree, GtkCMCTreeNode *node,
2207                                       FolderView *folderview)
2208 {
2209         FolderItem *item;
2210
2211         item = gtk_cmctree_node_get_row_data(ctree, node);
2212         cm_return_if_fail(item != NULL);
2213         item->collapsed = TRUE;
2214         folderview_update_node(folderview, node);
2215 }
2216
2217 static void folderview_popup_close(GtkMenuShell *menu_shell,
2218                                    FolderView *folderview)
2219 {
2220         if (!folderview->opened) return;
2221
2222         gtk_cmctree_select(GTK_CMCTREE(folderview->ctree), folderview->opened);
2223 }
2224
2225 static void folderview_col_resized(GtkCMCList *clist, gint column, gint width,
2226                                    FolderView *folderview)
2227 {
2228         FolderColumnType type = folderview->col_state[column].type;
2229
2230         prefs_common.folder_col_size[type] = width;
2231 }
2232
2233 static void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
2234 {
2235         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2236         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2237         GtkCMCTreeNode *node, *parent_node;
2238         gint *col_pos = folderview->col_pos;
2239         FolderItemUpdateData hookdata;
2240
2241         parent_node = gtk_cmctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
2242         if (parent_node == NULL)
2243                 return;
2244
2245         gtk_cmclist_freeze(GTK_CMCLIST(ctree));
2246
2247         text[col_pos[F_COL_FOLDER]] = item->name;
2248         node = gtk_sctree_insert_node(ctree, parent_node, NULL, text,
2249                                      FOLDER_SPACING,
2250                                      folderxpm,
2251                                      folderopenxpm,
2252                                      FALSE, FALSE);
2253         gtk_cmctree_expand(ctree, parent_node);
2254         gtk_cmctree_node_set_row_data(ctree, node, item);
2255         if (normal_style)
2256                 gtk_cmctree_node_set_row_style(ctree, node, normal_style);
2257         folderview_sort_folders(folderview, parent_node, item->folder);
2258
2259         hookdata.item = item;
2260         hookdata.update_flags = F_ITEM_UPDATE_NAME;
2261         hookdata.msg = NULL;
2262         hooks_invoke(FOLDER_ITEM_UPDATE_HOOKLIST, &hookdata);
2263
2264         gtk_cmclist_thaw(GTK_CMCLIST(ctree));
2265 }
2266
2267 static void folderview_empty_trash_cb(GtkAction *action, gpointer data)
2268 {
2269         FolderView *folderview = (FolderView *)data;
2270         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2271         FolderItem *item;
2272         GSList *mlist = NULL;
2273         GSList *cur = NULL;
2274         FolderItem *special_trash = NULL;
2275         PrefsAccount *ac;
2276
2277         if (!folderview->selected) return;
2278         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2279         cm_return_if_fail(item != NULL);
2280         cm_return_if_fail(item->folder != NULL);
2281
2282         if (NULL != (ac = account_find_from_item(item)))
2283                 special_trash = account_get_special_folder(ac, F_TRASH);
2284
2285         if (item != item->folder->trash && item != special_trash
2286         &&  !folder_has_parent_of_type(item, F_TRASH)) return;
2287
2288         if (prefs_common.ask_on_clean) {
2289                 if (alertpanel(_("Empty trash"),
2290                                _("Delete all messages in trash?"),
2291                                GTK_STOCK_CANCEL, _("+_Empty trash"), NULL) != G_ALERTALTERNATE)
2292                         return;
2293         }
2294
2295         mlist = folder_item_get_msg_list(item);
2296
2297         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2298                 MsgInfo * msginfo = (MsgInfo *) cur->data;
2299                 if (MSG_IS_LOCKED(msginfo->flags))
2300                         continue;
2301                 /* is it partially received? (partial_recv isn't cached) */
2302                 if (msginfo->total_size != 0 &&
2303                     msginfo->size != (off_t)msginfo->total_size)
2304                         partial_mark_for_delete(msginfo);
2305         }
2306         procmsg_msg_list_free(mlist);
2307
2308         folder_item_remove_all_msg(item);
2309 }
2310
2311 static void folderview_send_queue_cb(GtkAction *action, gpointer data)
2312 {
2313         FolderView *folderview = (FolderView *)data;
2314         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2315         FolderItem *item;
2316         FolderItem *special_queue = NULL;
2317         PrefsAccount *ac;
2318         gchar *errstr = NULL;
2319
2320         if (!folderview->selected) return;
2321         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2322         cm_return_if_fail(item != NULL);
2323         cm_return_if_fail(item->folder != NULL);
2324
2325         if (NULL != (ac = account_find_from_item(item)))
2326                 special_queue = account_get_special_folder(ac, F_QUEUE);
2327
2328         if (item != item->folder->queue && item != special_queue
2329         &&  !folder_has_parent_of_type(item, F_QUEUE)) return;
2330
2331         if (procmsg_queue_is_empty(item))
2332                 return;
2333
2334         if (prefs_common.work_offline)
2335                 if (alertpanel(_("Offline warning"),
2336                                _("You're working offline. Override?"),
2337                                GTK_STOCK_NO, GTK_STOCK_YES,
2338                                NULL) != G_ALERTALTERNATE)
2339                 return;
2340
2341         /* ask for confirmation before sending queued messages only
2342            in online mode and if there is at least one message queued
2343            in any of the folder queue
2344         */
2345         if (prefs_common.confirm_send_queued_messages) {
2346                 if (!prefs_common.work_offline) {
2347                         if (alertpanel(_("Send queued messages"),
2348                                    _("Send all queued messages?"),
2349                                    GTK_STOCK_CANCEL, _("_Send"),
2350                                    NULL) != G_ALERTALTERNATE)
2351                                 return;
2352                 }
2353         }
2354
2355         if (procmsg_send_queue(item, prefs_common.savemsg, &errstr) < 0) {
2356                 if (!errstr)
2357                         alertpanel_error_log(_("Some errors occurred while "
2358                                            "sending queued messages."));
2359                 else {
2360                         alertpanel_error_log(_("Some errors occurred "
2361                                         "while sending queued messages:\n%s"), errstr);
2362                         g_free(errstr);
2363                 }
2364         }
2365 }
2366
2367 static void folderview_search_cb(GtkAction *action, gpointer data)
2368 {
2369         FolderView *folderview = (FolderView *)data;
2370         summary_search(folderview->summaryview);
2371 }
2372
2373 static void folderview_run_processing_cb(GtkAction *action, gpointer data)
2374 {
2375         FolderView *folderview = (FolderView *)data;
2376         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2377         FolderItem *item;
2378
2379         if (!folderview->selected) return;
2380
2381         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2382         cm_return_if_fail(item != NULL);
2383         cm_return_if_fail(item->folder != NULL);
2384
2385         item->processing_pending = TRUE;
2386         folder_item_apply_processing(item);
2387         item->processing_pending = FALSE;
2388 }
2389
2390 static void folderview_property_cb(GtkAction *action, gpointer data)
2391 {
2392         FolderView *folderview = (FolderView *)data;
2393         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2394         FolderItem *item;
2395
2396         if (!folderview->selected) return;
2397
2398         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2399         cm_return_if_fail(item != NULL);
2400         cm_return_if_fail(item->folder != NULL);
2401
2402         prefs_folder_item_open(item);
2403 }
2404
2405 static void folderview_recollapse_nodes(FolderView *folderview, GtkCMCTreeNode *node)
2406 {
2407         GSList *list = NULL;
2408         GSList *done = NULL;
2409         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2410
2411         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2412                 if (!gtkut_ctree_node_is_parent(GTK_CMCTREE_NODE(list->data), node)
2413                 &&  list->data != node) {
2414                         gtk_cmctree_collapse(ctree, GTK_CMCTREE_NODE(list->data));
2415                         done = g_slist_append(done, GTK_CMCTREE_NODE(list->data));
2416                 }
2417         }
2418         for (list = done; list != NULL; list = g_slist_next(list)) {
2419                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2420                                                                  list->data);
2421         }
2422         g_slist_free(done);
2423 }
2424
2425 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
2426                             FolderItem *to_folder, gboolean copy)
2427 {
2428         FolderItem *new_folder = NULL;
2429         gchar *buf;
2430         gint status;
2431
2432         cm_return_if_fail(folderview != NULL);
2433         cm_return_if_fail(from_folder != NULL);
2434         cm_return_if_fail(to_folder != NULL);
2435
2436         if (prefs_common.warn_dnd) {
2437                 buf = g_strdup_printf(copy ? _("Do you really want to copy folder '%s' in '%s'?"):
2438                                              _("Do you really want to make folder '%s' a subfolder of '%s'?"),
2439                                         from_folder->name, to_folder->name);
2440                 status = alertpanel_full(copy ? _("Copy folder"):_("Move folder"), buf,
2441                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, TRUE,
2442                                          NULL, ALERT_QUESTION, G_ALERTDEFAULT);
2443                 g_free(buf);
2444
2445                 if ((status & ~G_ALERTDISABLE) != G_ALERTALTERNATE)
2446                         return;
2447                 else if (status & G_ALERTDISABLE)
2448                         prefs_common.warn_dnd = FALSE;
2449         }
2450
2451         buf = g_strdup_printf(copy ? _("Copying %s to %s..."):_("Moving %s to %s..."),
2452                                 from_folder->name, to_folder->name);
2453         STATUSBAR_PUSH(folderview->mainwin, buf);
2454         g_free(buf);
2455         summary_clear_all(folderview->summaryview);
2456         folderview->opened = NULL;
2457         folderview->selected = NULL;
2458         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2459         inc_lock();
2460         main_window_cursor_wait(folderview->mainwin);
2461
2462         statusbar_verbosity_set(FALSE);
2463         folder_item_update_freeze();
2464         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder, copy)) == F_MOVE_OK) {
2465                 statusbar_verbosity_set(FALSE);
2466                 main_window_cursor_normal(folderview->mainwin);
2467                 STATUSBAR_POP(folderview->mainwin);
2468                 folder_item_update_thaw();
2469                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2470
2471                 folderview_sort_folders(folderview,
2472                         gtk_cmctree_find_by_row_data(GTK_CMCTREE(folderview->ctree),
2473                                 NULL, to_folder), new_folder->folder);
2474                 folderview_select(folderview, new_folder);
2475         } else {
2476                 statusbar_verbosity_set(FALSE);
2477                 main_window_cursor_normal(folderview->mainwin);
2478                 STATUSBAR_POP(folderview->mainwin);
2479                 folder_item_update_thaw();
2480                 switch (status) {
2481                 case F_MOVE_FAILED_DEST_IS_PARENT:
2482                         alertpanel_error(_("Source and destination are the same."));
2483                         break;
2484                 case F_MOVE_FAILED_DEST_IS_CHILD:
2485                         alertpanel_error(copy ? _("Can't copy a folder to one of its children."):
2486                                                 _("Can't move a folder to one of its children."));
2487                         break;
2488                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2489                         alertpanel_error(_("A folder cannot be moved between different mailboxes."));
2490                         break;
2491                 default:
2492                         alertpanel_error(copy ? _("Copy failed!"):_("Move failed!"));
2493                         break;
2494                 }
2495         }
2496         inc_unlock();
2497         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2498 }
2499
2500 static gint folderview_clist_compare(GtkCMCList *clist,
2501                                      gconstpointer ptr1, gconstpointer ptr2)
2502 {
2503         FolderItem *item1 = ((GtkCMCListRow *)ptr1)->data;
2504         FolderItem *item2 = ((GtkCMCListRow *)ptr2)->data;
2505
2506         if (item1->order > 0 && item2->order > 0)  // if we have an order item, use it
2507         {
2508                 return item1->order - item2->order;
2509         }
2510
2511         // if only one folder has an order it comes first
2512         if (item1->order > 0)
2513         {
2514                 return -1;
2515         }
2516         if (item2->order > 0)
2517         {
2518                 return 1;
2519         }
2520
2521         if (!item1->name)
2522                 return (item2->name != NULL);
2523         if (!item2->name)
2524                 return -1;
2525
2526         return g_utf8_collate(item1->name, item2->name);
2527 }
2528
2529 static void folderview_processing_cb(GtkAction *action, gpointer data)
2530 {
2531         FolderView *folderview = (FolderView *)data;
2532         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
2533         FolderItem *item;
2534         gchar *id, *title;
2535
2536         if (!folderview->selected) return;
2537
2538         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
2539         cm_return_if_fail(item != NULL);
2540         cm_return_if_fail(item->folder != NULL);
2541
2542         id = folder_item_get_identifier(item);
2543         title = g_strdup_printf (_("Processing configuration for folder %s"), id);
2544         g_free (id);
2545
2546         prefs_filtering_open(&item->prefs->processing, title,
2547                         MANUAL_ANCHOR_PROCESSING, NULL, NULL, FALSE);
2548         g_free (title);
2549 }
2550
2551 void folderview_set_target_folder_color(gint color_op)
2552 {
2553         gint firstone = 1;
2554         GList *list;
2555         FolderView *folderview;
2556
2557         for (list = folderview_list; list != NULL; list = list->next) {
2558                 folderview = (FolderView *)list->data;
2559                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2560                 if (firstone) {
2561                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2562                                 folderview->color_op;
2563                         firstone = 0;
2564                 }
2565         }
2566 }
2567
2568 static gchar *last_smallfont = NULL;
2569 static gchar *last_normalfont = NULL;
2570 static gchar *last_boldfont = NULL;
2571 static gboolean last_derive = 0;
2572
2573 void folderview_reinit_fonts(FolderView *folderview)
2574 {
2575         /* force reinit */
2576         g_free(last_smallfont);
2577         last_smallfont = NULL;
2578         g_free(last_normalfont);
2579         last_normalfont = NULL;
2580         g_free(last_boldfont);
2581         last_boldfont = NULL;
2582 }
2583
2584 void folderview_reflect_prefs(void)
2585 {
2586         gboolean update_font = FALSE;
2587         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2588         FolderItem *item = folderview_get_selected_item(folderview);
2589         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2590                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2591         gint height = gtk_adjustment_get_value(pos);
2592
2593         if (!last_smallfont || strcmp(last_smallfont, SMALL_FONT) ||
2594                         !last_normalfont || strcmp(last_normalfont, NORMAL_FONT) ||
2595                         !last_boldfont || strcmp(last_boldfont, BOLD_FONT) ||
2596                         last_derive != prefs_common.derive_from_normal_font)
2597                 update_font = TRUE;
2598
2599         g_free(last_smallfont);
2600         last_smallfont = g_strdup(SMALL_FONT);
2601         g_free(last_normalfont);
2602         last_normalfont = g_strdup(NORMAL_FONT);
2603         g_free(last_boldfont);
2604         last_boldfont = g_strdup(BOLD_FONT);
2605         last_derive = prefs_common.derive_from_normal_font;
2606
2607         if (update_font) {
2608                 normal_style = normal_color_style = bold_style =
2609                         bold_color_style = bold_tgtfold_style = NULL;
2610
2611                 folderview_init(folderview);
2612         }
2613         gtk_cmclist_freeze(GTK_CMCLIST(folderview->ctree));
2614         folderview_column_set_titles(folderview);
2615         folderview_set_all();
2616
2617         g_signal_handlers_block_by_func
2618                 (G_OBJECT(folderview->ctree),
2619                  G_CALLBACK(folderview_selected), folderview);
2620
2621         if (item) {
2622                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(
2623                         GTK_CMCTREE(folderview->ctree), NULL, item);
2624
2625                 folderview_select(folderview, item);
2626                 folderview->open_folder = FALSE;
2627                 folderview->selected = node;
2628         }
2629
2630         g_signal_handlers_unblock_by_func
2631                 (G_OBJECT(folderview->ctree),
2632                  G_CALLBACK(folderview_selected), folderview);
2633
2634         pos = gtk_scrolled_window_get_vadjustment(
2635                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2636         gtk_adjustment_set_value(pos, height);
2637         gtk_adjustment_changed(pos);
2638         gtk_cmclist_thaw(GTK_CMCLIST(folderview->ctree));
2639 }
2640
2641 static void drag_state_stop(FolderView *folderview)
2642 {
2643         if (folderview->drag_timer)
2644                 g_source_remove(folderview->drag_timer);
2645         folderview->drag_timer = 0;
2646         folderview->drag_node = NULL;
2647 }
2648
2649 static gboolean folderview_defer_expand(FolderView *folderview)
2650 {
2651         if (folderview->drag_node) {
2652                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2653                 if (folderview->drag_item->collapsed) {
2654                         gtk_cmctree_expand(GTK_CMCTREE(folderview->ctree), folderview->drag_node);
2655                         folderview->nodes_to_recollapse = g_slist_append
2656                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2657                 }
2658         }
2659         folderview->drag_item  = NULL;
2660         folderview->drag_timer = 0;
2661         return FALSE;
2662 }
2663
2664 static void drag_state_start(FolderView *folderview, GtkCMCTreeNode *node, FolderItem *item)
2665 {
2666         /* the idea is that we call drag_state_start() whenever we want expansion to
2667          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2668          * we need to call drag_state_stop() */
2669         drag_state_stop(folderview);
2670         /* request expansion */
2671         if (0 != (folderview->drag_timer = g_timeout_add
2672                         (prefs_common.hover_timeout,
2673                          (GSourceFunc)folderview_defer_expand,
2674                          folderview))) {
2675                 folderview->drag_node = node;
2676                 folderview->drag_item = item;
2677         }
2678 }
2679 #ifndef GENERIC_UMPC
2680 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2681                                   FolderView       *folderview)
2682 {
2683         GdkDragContext *context;
2684
2685         cm_return_if_fail(folderview != NULL);
2686         if (folderview->selected == NULL) return;
2687         if (folderview->nodes_to_recollapse)
2688                 g_slist_free(folderview->nodes_to_recollapse);
2689         folderview->nodes_to_recollapse = NULL;
2690         context = gtk_drag_begin(widget, folderview->target_list,
2691                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2692         gtk_drag_set_icon_default(context);
2693 }
2694 #endif
2695 static void folderview_drag_data_get(GtkWidget        *widget,
2696                                      GdkDragContext   *drag_context,
2697                                      GtkSelectionData *selection_data,
2698                                      guint             info,
2699                                      guint             time,
2700                                      FolderView       *folderview)
2701 {
2702         FolderItem *item;
2703         GList *cur;
2704         gchar *source = NULL;
2705         if (info == TARGET_DUMMY) {
2706                 for (cur = GTK_CMCLIST(folderview->ctree)->selection;
2707                      cur != NULL; cur = cur->next) {
2708                         item = gtk_cmctree_node_get_row_data
2709                                 (GTK_CMCTREE(folderview->ctree),
2710                                  GTK_CMCTREE_NODE(cur->data));
2711                         if (item) {
2712                                 source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2713                                 gtk_selection_data_set(selection_data,
2714                                                        gtk_selection_data_get_target(selection_data), 8,
2715                                                        source, strlen(source));
2716                                 break;
2717                         } else
2718                                 return;
2719                 }
2720         } else {
2721                 g_warning("unknown info %d\n", info);
2722         }
2723 }
2724
2725 static gboolean folderview_update_folder(gpointer source, gpointer userdata)
2726 {
2727         FolderUpdateData *hookdata;
2728         FolderView *folderview;
2729         GtkWidget *ctree;
2730
2731         hookdata = source;
2732         folderview = (FolderView *) userdata;
2733         cm_return_val_if_fail(hookdata != NULL, FALSE);
2734         cm_return_val_if_fail(folderview != NULL, FALSE);
2735
2736         ctree = folderview->ctree;
2737         cm_return_val_if_fail(ctree != NULL, FALSE);
2738
2739         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2740                 folderview_create_folder_node(folderview, hookdata->item);
2741         else if (hookdata->update_flags & FOLDER_RENAME_FOLDERITEM) {
2742                 GtkCMCTreeNode *node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree),
2743                                 NULL, folder_item_parent(hookdata->item));
2744                 folderview_sort_folders(folderview, node, hookdata->folder);
2745         } else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2746                 GtkCMCTreeNode *node;
2747
2748                 node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(ctree), NULL, hookdata->item);
2749                 if (node != NULL) {
2750                         gtk_cmctree_remove_node(GTK_CMCTREE(ctree), node);
2751                         if (folderview->selected == node)
2752                                 folderview->selected = NULL;
2753                         if (folderview->opened == node)
2754                                 folderview->opened = NULL;
2755                 }
2756         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2757                 folderview_set(folderview);
2758
2759         return FALSE;
2760 }
2761
2762 static gboolean folderview_dnd_scroll_cb(gpointer data)
2763 {
2764         FolderView *folderview = (FolderView *)data;
2765         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2766                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2767         gint new_val = (int)gtk_adjustment_get_value(pos) + folderview->scroll_value;
2768         gint max = (int)gtk_adjustment_get_upper(pos) -
2769                (int)gtk_adjustment_get_page_size(pos);
2770
2771         if (folderview->scroll_value == 0) {
2772                 folderview->scroll_timeout_id = -1;
2773                 return FALSE;
2774         }
2775
2776         if (folderview->scroll_value > 0 && new_val > max) {
2777                 new_val = max;
2778         } else if (folderview->scroll_value < 0 && new_val < 0) {
2779                 new_val = 0;
2780         }
2781         gtk_adjustment_set_value(pos, new_val);
2782
2783         return TRUE;
2784 }
2785
2786 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2787                                           GdkDragContext *context,
2788                                           gint            x,
2789                                           gint            y,
2790                                           guint           time,
2791                                           FolderView     *folderview)
2792 {
2793         gint row, column;
2794         FolderItem *item = NULL, *src_item = NULL;
2795         GtkCMCTreeNode *node = NULL;
2796         gboolean acceptable = FALSE;
2797         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2798                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2799         int height = (int)gtk_adjustment_get_page_size(pos);
2800         int total_height = (int)gtk_adjustment_get_upper(pos);
2801         int vpos = (int)gtk_adjustment_get_value(pos);
2802         int offset = prefs_common.show_col_headers ? 24:0;
2803         int dist;
2804
2805         if (gtk_cmclist_get_selection_info
2806                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column)) {
2807                 GtkWidget *srcwidget;
2808
2809                 if (y > height - (48 - offset) && height + vpos < total_height) {
2810                         dist = -(height - (48 - offset) - y);
2811                         folderview->scroll_value = 1.41f * (1+(dist / 6));
2812                 } else if (y < 72 - (24 - offset) && y >= 0) {
2813                         dist = 72 - (24 - offset) - y;
2814                         folderview->scroll_value = -1.41f * (1+(dist / 6));
2815                 } else {
2816                         folderview->scroll_value = 0;
2817                 }
2818                 if (folderview->scroll_value != 0 && folderview->scroll_timeout_id == -1) {
2819                         folderview->scroll_timeout_id =
2820                                 g_timeout_add(30, folderview_dnd_scroll_cb,
2821                                               folderview);
2822                 }
2823
2824                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
2825                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
2826                 src_item = folderview->summaryview->folder_item;
2827
2828                 srcwidget = gtk_drag_get_source_widget(context);
2829                 if (srcwidget == summary_get_main_widget(folderview->summaryview)) {
2830                         /* comes from summaryview */
2831                         /* we are copying messages, so only accept folder items that are not
2832                            the source item, are no root items and can copy messages */
2833                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2834                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2835                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2836                                 acceptable = TRUE;
2837                 } else if (srcwidget == folderview->ctree) {
2838                         /* comes from folderview */
2839                         /* we are moving folder items, only accept folders that are not
2840                            the source items and can copy messages and create folder items */
2841                         if (item && item->folder && src_item && src_item != item &&
2842                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2843                             FOLDER_CLASS(item->folder)->create_folder != NULL &&
2844                             ((FOLDER_TYPE(item->folder) != F_UNKNOWN &&  FOLDER_TYPE(src_item->folder) != F_UNKNOWN)
2845                              || item->folder == src_item->folder))
2846                                 acceptable = TRUE;
2847                 } else {
2848                         /* comes from another app */
2849                         /* we are adding messages, so only accept folder items that are
2850                            no root items and can copy messages */
2851                         if (item && item->folder && folder_item_parent(item) != NULL
2852                             && FOLDER_CLASS(item->folder)->add_msg != NULL &&
2853                             FOLDER_TYPE(item->folder) != F_UNKNOWN)
2854                                 acceptable = TRUE;
2855                 }
2856         }
2857
2858         if (acceptable || (src_item && src_item == item))
2859                 drag_state_start(folderview, node, item);
2860
2861         if (acceptable) {
2862                 g_signal_handlers_block_by_func
2863                         (G_OBJECT(widget),
2864                          G_CALLBACK(folderview_selected), folderview);
2865                 gtk_cmctree_select(GTK_CMCTREE(widget), node);
2866                 g_signal_handlers_unblock_by_func
2867                         (G_OBJECT(widget),
2868                          G_CALLBACK(folderview_selected), folderview);
2869                 gdk_drag_status(context,
2870                                         (gdk_drag_context_get_actions(context) == GDK_ACTION_COPY ?
2871                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2872         } else {
2873                 if (folderview->opened)
2874                         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2875                 gdk_drag_status(context, 0, time);
2876         }
2877
2878         return acceptable;
2879 }
2880
2881 static void folderview_drag_leave_cb(GtkWidget      *widget,
2882                                      GdkDragContext *context,
2883                                      guint           time,
2884                                      FolderView     *folderview)
2885 {
2886         drag_state_stop(folderview);
2887         folderview->scroll_value = 0;
2888         gtk_cmctree_select(GTK_CMCTREE(widget), folderview->opened);
2889 }
2890
2891 static void free_info (gpointer stuff, gpointer data)
2892 {
2893         g_free(stuff);
2894 }
2895
2896 void folderview_finish_dnd(const gchar *data, GdkDragContext *drag_context,
2897                            guint time, FolderItem *item)
2898 {
2899         GList *list, *tmp;
2900         GSList *msglist = NULL;
2901         list = uri_list_extract_filenames(data);
2902         if (!(item && item->folder && folder_item_parent(item) != NULL
2903                     && FOLDER_CLASS(item->folder)->add_msg != NULL))
2904         {
2905                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2906                 debug_print("item doesn't fit\n");
2907                 return;
2908         }
2909         if (!list) {
2910                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2911                 debug_print("list is empty\n");
2912                 return;
2913         }
2914         for (tmp = list; tmp != NULL; tmp = tmp->next) {
2915                 MsgFileInfo *info = NULL;
2916
2917                 if (file_is_email((gchar *)tmp->data)) {
2918                         info = g_new0(MsgFileInfo, 1);
2919                         info->msginfo = NULL;
2920                         info->file = (gchar *)tmp->data;
2921                         msglist = g_slist_prepend(msglist, info);
2922                         debug_print("file is a mail\n");
2923                 } else {
2924                         debug_print("file isn't a mail\n");
2925                 }
2926         }
2927         if (msglist) {
2928                 msglist = g_slist_reverse(msglist);
2929                 folder_item_add_msgs(item, msglist, FALSE);
2930                 g_slist_foreach(msglist, free_info, NULL);
2931                 g_slist_free(msglist);
2932                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2933         } else {
2934                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2935         }
2936         list_free_strings(list);
2937         g_list_free(list);
2938 }
2939
2940 static void folderview_drag_received_cb(GtkWidget        *widget,
2941                                         GdkDragContext   *drag_context,
2942                                         gint              x,
2943                                         gint              y,
2944                                         GtkSelectionData *data,
2945                                         guint             info,
2946                                         guint             time,
2947                                         FolderView       *folderview)
2948 {
2949         gint row, column;
2950         FolderItem *item = NULL, *src_item;
2951         GtkCMCTreeNode *node;
2952         int offset = prefs_common.show_col_headers ? 24:0;
2953
2954         folderview->scroll_value = 0;
2955
2956         if (info == TARGET_DUMMY) {
2957                 drag_state_stop(folderview);
2958                 const gchar *ddata = (const gchar *)gtk_selection_data_get_data(data);
2959                 if ((gchar *)strstr(ddata, "FROM_OTHER_FOLDER") != ddata) {
2960                         /* comes from summaryview */
2961                         if (gtk_cmclist_get_selection_info
2962                                 (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
2963                                 return;
2964
2965                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
2966                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
2967                         src_item = folderview->summaryview->folder_item;
2968
2969                         if (item->no_select) {
2970                                 alertpanel_error(_("The destination folder can only be used to "
2971                                                    "store subfolders."));
2972                                 return;
2973                         }
2974                         /* re-check (due to acceptable possibly set for folder moves */
2975                         if (!(item && item->folder && item->path && !item->no_select &&
2976                               src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2977                                 return;
2978                         }
2979                         if (item && src_item) {
2980                                 switch (gdk_drag_context_get_selected_action(drag_context)) {
2981                                 case GDK_ACTION_COPY:
2982                                         summary_copy_selected_to(folderview->summaryview, item);
2983                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2984                                         break;
2985                                 case GDK_ACTION_MOVE:
2986                                 case GDK_ACTION_DEFAULT:
2987                                 default:
2988                                         if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2989                                                 summary_copy_selected_to(folderview->summaryview, item);
2990                                         else
2991                                                 summary_move_selected_to(folderview->summaryview, item);
2992                                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2993                                 }
2994                         } else
2995                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2996                 } else {
2997                         /* comes from folderview */
2998                         char *source;
2999                         gboolean folder_is_normal = TRUE;
3000                         gboolean copy = (GDK_ACTION_COPY ==
3001                                 gdk_drag_context_get_selected_action(drag_context));
3002
3003                         source = (char *)gtk_selection_data_get_data(data) + 17;
3004                         if (gtk_cmclist_get_selection_info
3005                             (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0
3006                             || *source == 0) {
3007                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3008                                 return;
3009                         }
3010                         node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3011                         item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3012                         src_item = folder_find_item_from_identifier(source);
3013
3014                         folder_is_normal =
3015                                 src_item != NULL &&
3016                                 src_item->stype == F_NORMAL &&
3017                                 !folder_has_parent_of_type(src_item, F_OUTBOX) &&
3018                                 !folder_has_parent_of_type(src_item, F_DRAFT) &&
3019                                 !folder_has_parent_of_type(src_item, F_QUEUE) &&
3020                                 !folder_has_parent_of_type(src_item, F_TRASH);
3021                         if (!item || !src_item || !folder_is_normal) {
3022                                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
3023                                 return;
3024                         }
3025
3026                         folderview_move_folder(folderview, src_item, item, copy);
3027                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
3028                 }
3029                 folderview->nodes_to_recollapse = NULL;
3030         } else if (info == TARGET_MAIL_URI_LIST) {
3031                 if (gtk_cmclist_get_selection_info
3032                         (GTK_CMCLIST(widget), x - offset, y - offset, &row, &column) == 0)
3033                         return;
3034
3035                 node = gtk_cmctree_node_nth(GTK_CMCTREE(widget), row);
3036                 if (!node) {
3037                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3038                         debug_print("no node\n");
3039                         return;
3040                 }
3041                 item = gtk_cmctree_node_get_row_data(GTK_CMCTREE(widget), node);
3042                 if (!item) {
3043                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
3044                         debug_print("no item\n");
3045                         return;
3046                 }
3047                 folderview_finish_dnd(gtk_selection_data_get_data(data),
3048                         drag_context, time, item);
3049         }
3050 }
3051
3052 static void folderview_drag_end_cb(GtkWidget        *widget,
3053                                    GdkDragContext   *drag_context,
3054                                    FolderView       *folderview)
3055 {
3056         drag_state_stop(folderview);
3057         folderview->scroll_value = 0;
3058         g_slist_free(folderview->nodes_to_recollapse);
3059         folderview->nodes_to_recollapse = NULL;
3060 }
3061
3062 void folderview_register_popup(FolderViewPopup *fpopup)
3063 {
3064         GList *folderviews;
3065
3066         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3067                 FolderView *folderview = folderviews->data;
3068                 GtkActionGroup *factory;
3069
3070                 factory = create_action_group(folderview, fpopup);
3071                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
3072         }
3073         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
3074 }
3075
3076 void folderview_unregister_popup(FolderViewPopup *fpopup)
3077 {
3078         GList *folderviews;
3079
3080
3081         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
3082                 FolderView *folderview = folderviews->data;
3083
3084                 g_hash_table_remove(folderview->popups, fpopup->klass);
3085         }
3086         g_hash_table_remove(folderview_popups, fpopup->klass);
3087 }