src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkwidget.h>
  25 #include <gtk/gtkscrolledwindow.h>
  26 #include <gtk/gtkctree.h>
  27 #include <gtk/gtkcontainer.h>
  28 #include <gtk/gtkclist.h>
  29 #include <gtk/gtkstyle.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkmain.h>
  32 #include <gtk/gtkstatusbar.h>
  33 #include <gtk/gtkmenu.h>
  34 #include <gtk/gtkmenuitem.h>
  35 #include <gtk/gtkitemfactory.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <stdlib.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "grouplistdialog.h"
  48 #include "manage_window.h"
  49 #include "alertpanel.h"
  50 #include "menu.h"
  51 #include "stock_pixmap.h"
  52 #include "procmsg.h"
  53 #include "utils.h"
  54 #include "gtkutils.h"
  55 #include "prefs_common.h"
  56 #include "prefs_account.h"
  57 #include "prefs_filtering.h"
  58 #include "prefs_scoring.h"
  59 #include "prefs_folder_item.h"
  60 #include "account.h"
  61 #include "folder.h"
  62 #include "foldersel.h"
  63 #include "inc.h"
  64 #include "statusbar.h"
  65 #include "hooks.h"
  66
  67 typedef enum
  68 {
  69         COL_FOLDER      = 0,
  70         COL_NEW         = 1,
  71         COL_UNREAD      = 2,
  72         COL_TOTAL       = 3
  73 } FolderColumnPos;
  74
  75 #define N_FOLDER_COLS           4
  76 #define COL_FOLDER_WIDTH        150
  77 #define COL_NUM_WIDTH           32
  78
  79 static GList *folderview_list = NULL;
  80
  81 static GdkFont *normalfont;
  82 static GdkFont *boldfont;
  83
  84 static GtkStyle *normal_style;
  85 static GtkStyle *normal_color_style;
  86 static GtkStyle *bold_style;
  87 static GtkStyle *bold_color_style;
  88 static GtkStyle *bold_tgtfold_style;
  89
  90 static GdkBitmap *inboxxpm;
  91 static GdkBitmap *inboxxpmmask;
  92 static GdkPixmap *inboxhrmxpm;
  93 static GdkBitmap *inboxhrmxpmmask;
  94 static GdkPixmap *inboxopenxpm;
  95 static GdkBitmap *inboxopenxpmmask;
  96 static GdkPixmap *inboxopenhrmxpm;
  97 static GdkBitmap *inboxopenhrmxpmmask;
  98 static GdkPixmap *outboxxpm;
  99 static GdkBitmap *outboxxpmmask;
 100 static GdkPixmap *outboxhrmxpm;
 101 static GdkBitmap *outboxhrmxpmmask;
 102 static GdkPixmap *outboxopenxpm;
 103 static GdkBitmap *outboxopenxpmmask;
 104 static GdkPixmap *outboxopenhrmxpm;
 105 static GdkBitmap *outboxopenhrmxpmmask;
 106 static GdkPixmap *folderxpm;
 107 static GdkBitmap *folderxpmmask;
 108 static GdkPixmap *folderhrmxpm;
 109 static GdkBitmap *folderhrmxpmmask;
 110 static GdkPixmap *folderopenxpm;
 111 static GdkBitmap *folderopenxpmmask;
 112 static GdkPixmap *folderopenhrmxpm;
 113 static GdkBitmap *folderopenhrmxpmmask;
 114 static GdkPixmap *trashopenxpm;
 115 static GdkBitmap *trashopenxpmmask;
 116 static GdkPixmap *trashopenhrmxpm;
 117 static GdkBitmap *trashopenhrmxpmmask;
 118 static GdkPixmap *trashxpm;
 119 static GdkBitmap *trashxpmmask;
 120 static GdkPixmap *trashhrmxpm;
 121 static GdkBitmap *trashhrmxpmmask;
 122 static GdkPixmap *queuexpm;
 123 static GdkBitmap *queuexpmmask;
 124 static GdkPixmap *queuehrmxpm;
 125 static GdkBitmap *queuehrmxpmmask;
 126 static GdkPixmap *queueopenxpm;
 127 static GdkBitmap *queueopenxpmmask;
 128 static GdkPixmap *queueopenhrmxpm;
 129 static GdkBitmap *queueopenhrmxpmmask;
 130 static GdkPixmap *newxpm;
 131 static GdkBitmap *newxpmmask;
 132 static GdkPixmap *unreadxpm;
 133 static GdkBitmap *unreadxpmmask;
 134 static GdkPixmap *draftsxpm;
 135 static GdkBitmap *draftsxpmmask;
 136 static GdkPixmap *draftsopenxpm;
 137 static GdkBitmap *draftsopenxpmmask;
 138
 139 static void folderview_select_node       (FolderView    *folderview,
 140                                           GtkCTreeNode  *node);
 141 static void folderview_set_folders       (FolderView    *folderview);
 142 static void folderview_sort_folders      (FolderView    *folderview,
 143                                           GtkCTreeNode  *root,
 144                                           Folder        *folder);
 145 static void folderview_append_folder     (FolderView    *folderview,
 146                                           Folder        *folder);
 147 static void folderview_update_node       (FolderView    *folderview,
 148                                           GtkCTreeNode  *node);
 149
 150 static GtkCTreeNode *folderview_find_by_name    (GtkCTree       *ctree,
 151                                                  GtkCTreeNode   *node,
 152                                                  const gchar    *name);
 153
 154 static gint folderview_clist_compare    (GtkCList       *clist,
 155                                          gconstpointer   ptr1,
 156                                          gconstpointer   ptr2);
 157 static gint folderview_compare_name     (gconstpointer   a,
 158                                          gconstpointer   b);
 159
 160 /* callback functions */
 161 static void folderview_button_pressed   (GtkWidget      *ctree,
 162                                          GdkEventButton *event,
 163                                          FolderView     *folderview);
 164 static void folderview_button_released  (GtkWidget      *ctree,
 165                                          GdkEventButton *event,
 166                                          FolderView     *folderview);
 167 static void folderview_key_pressed      (GtkWidget      *widget,
 168                                          GdkEventKey    *event,
 169                                          FolderView     *folderview);
 170 static void folderview_selected         (GtkCTree       *ctree,
 171                                          GtkCTreeNode   *row,
 172                                          gint            column,
 173                                          FolderView     *folderview);
 174 static void folderview_tree_expanded    (GtkCTree       *ctree,
 175                                          GtkCTreeNode   *node,
 176                                          FolderView     *folderview);
 177 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 178                                          GtkCTreeNode   *node,
 179                                          FolderView     *folderview);
 180 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 181                                          FolderView     *folderview);
 182 static void folderview_col_resized      (GtkCList       *clist,
 183                                          gint            column,
 184                                          gint            width,
 185                                          FolderView     *folderview);
 186
 187 static void folderview_update_tree_cb   (FolderView     *folderview,
 188                                          guint           action,
 189                                          GtkWidget      *widget);
 190
 191 static void mark_all_read_cb            (FolderView    *folderview,
 192                                          guint           action,
 193                                          GtkWidget      *widget);
 194 static void folderview_new_folder_cb    (FolderView     *folderview,
 195                                          guint           action,
 196                                          GtkWidget      *widget);
 197 static void folderview_new_mbox_folder_cb(FolderView *folderview,
 198                                           guint action,
 199                                           GtkWidget *widget);
 200 static void folderview_rename_folder_cb (FolderView     *folderview,
 201                                          guint           action,
 202                                          GtkWidget      *widget);
 203 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
 204                                              guint action,
 205                                              GtkWidget *widget);
 206 static void folderview_delete_folder_cb (FolderView     *folderview,
 207                                          guint           action,
 208                                          GtkWidget      *widget);
 209 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 210                                          guint           action,
 211                                          GtkWidget      *widget);
 212
 213 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 214                                           guint          action,
 215                                           GtkWidget     *widget);
 216 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 217                                           guint          action,
 218                                           GtkWidget     *widget);
 219
 220 static void folderview_new_news_group_cb(FolderView     *folderview,
 221                                          guint           action,
 222                                          GtkWidget      *widget);
 223 static void folderview_rm_news_group_cb (FolderView     *folderview,
 224                                          guint           action,
 225                                          GtkWidget      *widget);
 226 static void folderview_rm_news_server_cb(FolderView     *folderview,
 227                                          guint           action,
 228                                          GtkWidget      *widget);
 229
 230 static void folderview_search_cb        (FolderView     *folderview,
 231                                          guint           action,
 232                                          GtkWidget      *widget);
 233
 234 static void folderview_property_cb      (FolderView     *folderview,
 235                                          guint           action,
 236                                          GtkWidget      *widget);
 237
 238 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 239                                           GdkDragContext *context,
 240                                           gint            x,
 241                                           gint            y,
 242                                           guint           time,
 243                                           FolderView     *folderview);
 244 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 245                                           GdkDragContext   *context,
 246                                           guint             time,
 247                                           FolderView       *folderview);
 248 static void folderview_drag_received_cb  (GtkWidget        *widget,
 249                                           GdkDragContext   *drag_context,
 250                                           gint              x,
 251                                           gint              y,
 252                                           GtkSelectionData *data,
 253                                           guint             info,
 254                                           guint             time,
 255                                           FolderView       *folderview);
 256 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 257                                           FolderView       *folderview);
 258 static void folderview_drag_data_get     (GtkWidget        *widget,
 259                                           GdkDragContext   *drag_context,
 260                                           GtkSelectionData *selection_data,
 261                                           guint             info,
 262                                           guint             time,
 263                                           FolderView       *folderview);
 264
 265 void folderview_create_folder_node       (FolderView       *folderview,
 266                                           FolderItem       *item);
 267 gboolean folderview_update_folder        (gpointer          source,
 268                                           gpointer          userdata);
 269 gboolean folderview_update_item          (gpointer          source,
 270                                           gpointer          data);
 271
 272 static void folderview_scoring_cb(FolderView *folderview, guint action,
 273                                   GtkWidget *widget);
 274 static void folderview_processing_cb(FolderView *folderview, guint action,
 275                                      GtkWidget *widget);
 276 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
 277                                FolderItem *to_folder);
 278 static void folderview_move_to_cb(FolderView *folderview);
 279
 280 static GtkItemFactoryEntry folderview_mbox_popup_entries[] =
 281 {
 282         {N_("/Create _new folder..."),  NULL, folderview_new_mbox_folder_cb,    0, NULL},
 283         {N_("/_Rename folder..."),      NULL, folderview_rename_mbox_folder_cb, 0, NULL},
 284         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 285         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 286         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 287         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 288         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 289         {N_("/_Properties..."),         NULL, NULL, 0, NULL},
 290         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 291         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 292 };
 293
 294 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 295 {
 296         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 297         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 298         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 299         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 300         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 301         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 302         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 303         {N_("/_Check for new messages"),
 304                                         NULL, folderview_update_tree_cb, 0, NULL},
 305         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 306         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 307         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 308         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 309         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 310         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 311         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 312         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 313 };
 314
 315 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 316 {
 317         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 318         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 319         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 320         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb,   0, NULL},
 321         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 322         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb,   0, NULL},
 323         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 324         {N_("/_Check for new messages"),
 325                                         NULL, folderview_update_tree_cb, 0, NULL},
 326         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 327         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 328         {N_("/Remove _IMAP4 account"),  NULL, folderview_rm_imap_server_cb, 0, NULL},
 329         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 330         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 331         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 332         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 333         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 334 };
 335
 336 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 337 {
 338         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 339         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 340         {N_("/_Subscribe to newsgroup..."),
 341                                         NULL, folderview_new_news_group_cb, 0, NULL},
 342         {N_("/_Remove newsgroup"),      NULL, folderview_rm_news_group_cb, 0, NULL},
 343         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 344         {N_("/_Check for new messages"),
 345                                         NULL, folderview_update_tree_cb, 0, NULL},
 346         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 347         {N_("/Remove _news account"),   NULL, folderview_rm_news_server_cb, 0, NULL},
 348         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 349         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 350         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 351         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 352         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 353 };
 354
 355 GtkTargetEntry folderview_drag_types[] =
 356 {
 357         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 358 };
 359
 360 FolderView *folderview_create(void)
 361 {
 362         FolderView *folderview;
 363         GtkWidget *scrolledwin;
 364         GtkWidget *ctree;
 365         gchar *titles[N_FOLDER_COLS];
 366         GtkWidget *mail_popup;
 367         GtkWidget *news_popup;
 368         GtkWidget *imap_popup;
 369         GtkWidget *mbox_popup;
 370         GtkItemFactory *mail_factory;
 371         GtkItemFactory *news_factory;
 372         GtkItemFactory *imap_factory;
 373         GtkItemFactory *mbox_factory;
 374         gint n_entries;
 375         gint i;
 376
 377         debug_print("Creating folder view...\n");
 378         folderview = g_new0(FolderView, 1);
 379
 380         titles[COL_FOLDER] = _("Folder");
 381         titles[COL_NEW]    = _("New");
 382         titles[COL_UNREAD] = _("Unread");
 383         titles[COL_TOTAL]  = _("#");
 384
 385         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 386         gtk_scrolled_window_set_policy
 387                 (GTK_SCROLLED_WINDOW(scrolledwin),
 388                  GTK_POLICY_AUTOMATIC,
 389                  prefs_common.folderview_vscrollbar_policy);
 390         gtk_widget_set_usize(scrolledwin,
 391                              prefs_common.folderview_width,
 392                              prefs_common.folderview_height);
 393
 394         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 395
 396         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 397         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 398 #ifndef CLAWS /* text instead of pixmaps */
 399         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 400                                            GTK_JUSTIFY_RIGHT);
 401         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 402                                            GTK_JUSTIFY_RIGHT);
 403 #endif
 404         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 405                                            GTK_JUSTIFY_RIGHT);
 406         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 407                                    prefs_common.folder_col_folder);
 408         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 409                                    prefs_common.folder_col_new);
 410         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 411                                    prefs_common.folder_col_unread);
 412         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 413                                    prefs_common.folder_col_total);
 414         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 415         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 416                                      GTK_CTREE_EXPANDER_SQUARE);
 417         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 418         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 419
 420         /* don't let title buttons take key focus */
 421         for (i = 0; i < N_FOLDER_COLS; i++)
 422                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 423                                        GTK_CAN_FOCUS);
 424
 425         /* popup menu */
 426         n_entries = sizeof(folderview_mail_popup_entries) /
 427                 sizeof(folderview_mail_popup_entries[0]);
 428         mail_popup = menu_create_items(folderview_mail_popup_entries,
 429                                        n_entries,
 430                                        "<MailFolder>", &mail_factory,
 431                                        folderview);
 432         n_entries = sizeof(folderview_imap_popup_entries) /
 433                 sizeof(folderview_imap_popup_entries[0]);
 434         imap_popup = menu_create_items(folderview_imap_popup_entries,
 435                                        n_entries,
 436                                        "<IMAPFolder>", &imap_factory,
 437                                        folderview);
 438         n_entries = sizeof(folderview_news_popup_entries) /
 439                 sizeof(folderview_news_popup_entries[0]);
 440         news_popup = menu_create_items(folderview_news_popup_entries,
 441                                        n_entries,
 442                                        "<NewsFolder>", &news_factory,
 443                                        folderview);
 444         n_entries = sizeof(folderview_mbox_popup_entries) /
 445                 sizeof(folderview_mbox_popup_entries[0]);
 446         mbox_popup = menu_create_items(folderview_mbox_popup_entries,
 447                                        n_entries,
 448                                        "<MailFolder>", &mbox_factory,
 449                                        folderview);
 450
 451         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 452                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 453                            folderview);
 454         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 455                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 456                            folderview);
 457         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 458                            GTK_SIGNAL_FUNC(folderview_button_released),
 459                            folderview);
 460         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 461                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 462         gtk_signal_connect(GTK_OBJECT(ctree), "start_drag",
 463                            GTK_SIGNAL_FUNC(folderview_start_drag), folderview);
 464         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 465                            GTK_SIGNAL_FUNC(folderview_drag_data_get),
 466                            folderview);
 467
 468         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 469                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 470                                  folderview);
 471         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 472                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 473                                  folderview);
 474
 475         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 476                            GTK_SIGNAL_FUNC(folderview_col_resized),
 477                            folderview);
 478
 479         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 480                            GTK_SIGNAL_FUNC(folderview_popup_close),
 481                            folderview);
 482         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 483                            GTK_SIGNAL_FUNC(folderview_popup_close),
 484                            folderview);
 485         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 486                            GTK_SIGNAL_FUNC(folderview_popup_close),
 487                            folderview);
 488         gtk_signal_connect(GTK_OBJECT(mbox_popup), "selection_done",
 489                            GTK_SIGNAL_FUNC(folderview_popup_close),
 490                            folderview);
 491
 492         /* drop callback */
 493         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 494                           summary_drag_types, 1,
 495                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 496         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 497                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 498                            folderview);
 499         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 500                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 501                            folderview);
 502         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 503                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 504                            folderview);
 505
 506         folderview->scrolledwin  = scrolledwin;
 507         folderview->ctree        = ctree;
 508         folderview->mail_popup   = mail_popup;
 509         folderview->mail_factory = mail_factory;
 510         folderview->imap_popup   = imap_popup;
 511         folderview->imap_factory = imap_factory;
 512         folderview->news_popup   = news_popup;
 513         folderview->news_factory = news_factory;
 514         folderview->mbox_popup   = mbox_popup;
 515         folderview->mbox_factory = mbox_factory;
 516
 517         folderview->folder_update_callback_id =
 518                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 519         folderview->folder_item_update_callback_id =
 520                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item, (gpointer) folderview);
 521
 522         gtk_widget_show_all(scrolledwin);
 523
 524         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 525         folderview_list = g_list_append(folderview_list, folderview);
 526
 527         return folderview;
 528 }
 529
 530 void folderview_init(FolderView *folderview)
 531 {
 532         GtkWidget *ctree = folderview->ctree;
 533         GtkWidget *label_new;
 534         GtkWidget *label_unread;
 535         GtkWidget *hbox_new;
 536         GtkWidget *hbox_unread;
 537
 538         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 539         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 540         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 541         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 542         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 543         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 544         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 545         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 546         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 547         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 548         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 549         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 550         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 551         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 552         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 553         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 554         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 555         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 556         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 557         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 558         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 559         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 560
 561         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 562          * instead text (text overflows making them unreadable and ugly) */
 563         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 564                          &newxpm, &newxpmmask);
 565         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 566                          &unreadxpm, &unreadxpmmask);
 567
 568         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 569         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 570
 571         hbox_new = gtk_hbox_new(FALSE, 4);
 572         hbox_unread = gtk_hbox_new(FALSE, 4);
 573
 574         /* left justified */
 575         gtk_box_pack_start(GTK_BOX(hbox_new),label_new,FALSE,FALSE,0);
 576         gtk_box_pack_start(GTK_BOX(hbox_unread),label_unread,FALSE,FALSE,0);
 577
 578         gtk_widget_show_all(hbox_new);
 579         gtk_widget_show_all(hbox_unread);
 580
 581         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 582         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 583
 584         if (!normalfont) {
 585                 if (gtkut_font_load(NORMAL_FONT) == NULL) {
 586                         GtkStyle *style = gtk_style_new();
 587                         normalfont = style->font;
 588                         gdk_font_ref(normalfont);
 589                         gtk_style_unref(style);
 590                 }
 591                 else
 592                         normalfont = gtkut_font_load(NORMAL_FONT);
 593         }
 594
 595         if (!boldfont) {
 596                 if (gtkut_font_load(BOLD_FONT) == NULL) {
 597                         GtkStyle *style = gtk_style_new();
 598                         boldfont = style->font;
 599                         gdk_font_ref(boldfont);
 600                         gtk_style_unref(style);
 601                 }
 602                 else
 603                         boldfont = gtkut_font_load(BOLD_FONT);
 604         }
 605
 606         if (!bold_style) {
 607                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 608                 bold_style->font = boldfont;
 609                 bold_color_style = gtk_style_copy(bold_style);
 610                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 611
 612                 bold_tgtfold_style = gtk_style_copy(bold_style);
 613                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 614         }
 615         if (!normal_style) {
 616                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 617                 normal_style->font = normalfont;
 618                 normal_color_style = gtk_style_copy(normal_style);
 619                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 620         }
 621 }
 622
 623 void folderview_set(FolderView *folderview)
 624 {
 625         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 626         MainWindow *mainwin = folderview->mainwin;
 627
 628         debug_print("Setting folder info...\n");
 629         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 630
 631         main_window_cursor_wait(mainwin);
 632
 633         folderview->selected = NULL;
 634         folderview->opened = NULL;
 635
 636         gtk_clist_freeze(GTK_CLIST(ctree));
 637         gtk_clist_clear(GTK_CLIST(ctree));
 638         gtk_clist_thaw(GTK_CLIST(ctree));
 639         gtk_clist_freeze(GTK_CLIST(ctree));
 640
 641         folderview_set_folders(folderview);
 642
 643         gtk_clist_thaw(GTK_CLIST(ctree));
 644         main_window_cursor_normal(mainwin);
 645         STATUSBAR_POP(mainwin);
 646 }
 647
 648 void folderview_set_all(void)
 649 {
 650         GList *list;
 651
 652         for (list = folderview_list; list != NULL; list = list->next)
 653                 folderview_set((FolderView *)list->data);
 654 }
 655
 656 void folderview_select(FolderView *folderview, FolderItem *item)
 657 {
 658         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 659         GtkCTreeNode *node;
 660         GtkCTreeNode *old_selected = folderview->selected;
 661
 662         if (!item) return;
 663
 664         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 665         if (node) folderview_select_node(folderview, node);
 666
 667         if (old_selected != node)
 668                 folder_update_op_count();
 669 }
 670
 671 static void mark_all_read_cb(FolderView *folderview, guint action,
 672                              GtkWidget *widget)
 673 {
 674         if (folderview->selected)
 675                 summary_mark_all_read(folderview->summaryview);
 676 }
 677
 678 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 679 {
 680         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 681
 682         g_return_if_fail(node != NULL);
 683
 684         folderview->open_folder = TRUE;
 685         gtkut_ctree_set_focus_row(ctree, node);
 686         gtk_ctree_select(ctree, node);
 687         if (folderview->summaryview->messages > 0)
 688                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 689         else
 690                 gtk_widget_grab_focus(folderview->ctree);
 691
 692         gtkut_ctree_expand_parent_all(ctree, node);
 693 }
 694
 695 void folderview_unselect(FolderView *folderview)
 696 {
 697         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 698                 gtk_ctree_collapse
 699                         (GTK_CTREE(folderview->ctree), folderview->opened);
 700
 701         folderview->selected = folderview->opened = NULL;
 702 }
 703
 704 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 705                                                  GtkCTreeNode *node)
 706 {
 707         FolderItem *item;
 708
 709         if (node)
 710                 node = gtkut_ctree_node_next(ctree, node);
 711         else
 712                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 713
 714         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 715                 item = gtk_ctree_node_get_row_data(ctree, node);
 716                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 717                         return node;
 718         }
 719
 720         return NULL;
 721 }
 722
 723 void folderview_select_next_unread(FolderView *folderview)
 724 {
 725         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 726         GtkCTreeNode *node = NULL;
 727
 728         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 729             != NULL) {
 730                 folderview_select_node(folderview, node);
 731                 return;
 732         }
 733
 734         if (!folderview->opened ||
 735             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 736                 return;
 737         /* search again from the first node */
 738         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 739                 folderview_select_node(folderview, node);
 740 }
 741
 742 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 743 {
 744         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 745         static GtkCTreeNode *prev_row = NULL;
 746         FolderItem *item;
 747         gint new, unread, total;
 748         gchar *new_str, *unread_str, *total_str;
 749
 750         if (!row) return;
 751
 752         item = gtk_ctree_node_get_row_data(ctree, row);
 753         if (!item) return;
 754
 755         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 756         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 757         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 758         new = atoi(new_str);
 759         unread = atoi(unread_str);
 760         total = atoi(total_str);
 761
 762         prev_row = row;
 763
 764         folderview_update_node(folderview, row);
 765 }
 766
 767 static void folderview_set_folders(FolderView *folderview)
 768 {
 769         GList *list;
 770
 771         list = folder_get_list();
 772
 773         for (; list != NULL; list = list->next)
 774                 folderview_append_folder(folderview, FOLDER(list->data));
 775 }
 776
 777 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 778                                       gpointer data)
 779 {
 780         GList *list;
 781
 782         for (list = folderview_list; list != NULL; list = list->next) {
 783                 FolderView *folderview = (FolderView *)list->data;
 784                 MainWindow *mainwin = folderview->mainwin;
 785                 gchar *str;
 786
 787                 if (item->path)
 788                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 789                                               item->folder->name, G_DIR_SEPARATOR,
 790                                               item->path);
 791                 else
 792                         str = g_strdup_printf(_("Scanning folder %s ..."),
 793                                               item->folder->name);
 794
 795                 STATUSBAR_PUSH(mainwin, str);
 796                 STATUSBAR_POP(mainwin);
 797                 g_free(str);
 798         }
 799 }
 800
 801 static GtkWidget *label_window_create(const gchar *str)
 802 {
 803         GtkWidget *window;
 804         GtkWidget *label;
 805
 806         window = gtk_window_new(GTK_WINDOW_DIALOG);
 807         gtk_widget_set_usize(window, 380, 60);
 808         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 809         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 810         gtk_window_set_title(GTK_WINDOW(window), str);
 811         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 812         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 813         manage_window_set_transient(GTK_WINDOW(window));
 814
 815         label = gtk_label_new(str);
 816         gtk_container_add(GTK_CONTAINER(window), label);
 817         gtk_widget_show(label);
 818
 819         gtk_widget_show_now(window);
 820
 821         return window;
 822 }
 823
 824 void folderview_rescan_tree(Folder *folder)
 825 {
 826         GtkWidget *window;
 827
 828         g_return_if_fail(folder != NULL);
 829
 830         if (!folder->klass->scan_tree) return;
 831
 832         inc_lock();
 833         window = label_window_create(_("Rebuilding folder tree..."));
 834
 835         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 836         folder_scan_tree(folder);
 837         folder_set_ui_func(folder, NULL, NULL);
 838
 839         folderview_set_all();
 840
 841         gtk_widget_destroy(window);
 842         inc_unlock();
 843 }
 844
 845 /** folderview_check_new()
 846  *  Scan and update the folder and return the
 847  *  count the number of new messages since last check.
 848  *  \param folder the folder to check for new messages
 849  *  \return the number of new messages since last check
 850  */
 851 gint folderview_check_new(Folder *folder)
 852 {
 853         GList *list;
 854         FolderItem *item;
 855         FolderView *folderview;
 856         GtkCTree *ctree;
 857         GtkCTreeNode *node;
 858         gint new_msgs = 0;
 859         gint former_new_msgs = 0;
 860         gint former_new = 0;
 861
 862         for (list = folderview_list; list != NULL; list = list->next) {
 863                 folderview = (FolderView *)list->data;
 864                 ctree = GTK_CTREE(folderview->ctree);
 865
 866                 inc_lock();
 867                 main_window_lock(folderview->mainwin);
 868                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 869
 870                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 871                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 872                         item = gtk_ctree_node_get_row_data(ctree, node);
 873                         if (!item || !item->path || !item->folder) continue;
 874                         if (item->no_select) continue;
 875                         if (folder && folder != item->folder) continue;
 876                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 877
 878                         folderview_scan_tree_func(item->folder, item, NULL);
 879                         former_new = item->new_msgs;
 880                         if (folder_item_scan(item) < 0) {
 881                                 if (folder && !FOLDER_IS_LOCAL(folder))
 882                                         break;
 883                         }
 884                         folderview_update_node(folderview, node);
 885                         new_msgs += item->new_msgs;
 886                         former_new_msgs += former_new;
 887                 }
 888
 889                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 890                 main_window_unlock(folderview->mainwin);
 891                 inc_unlock();
 892         }
 893
 894         folder_write_list();
 895         /* Number of new messages since last check is the just the difference
 896          * between former_new_msgs and new_msgs. If new_msgs is less than
 897          * former_new_msgs, that would mean another session accessed the folder
 898          * and the result is not well defined.
 899          */
 900         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 901         return new_msgs;
 902 }
 903
 904 void folderview_check_new_all(void)
 905 {
 906         GList *list;
 907         GtkWidget *window;
 908         FolderView *folderview;
 909
 910         folderview = (FolderView *)folderview_list->data;
 911
 912         inc_lock();
 913         main_window_lock(folderview->mainwin);
 914         window = label_window_create
 915                 (_("Checking for new messages in all folders..."));
 916
 917         list = folder_get_list();
 918         for (; list != NULL; list = list->next) {
 919                 Folder *folder = list->data;
 920
 921                 folderview_check_new(folder);
 922         }
 923
 924         folder_write_list();
 925         folderview_set_all();
 926
 927         gtk_widget_destroy(window);
 928         main_window_unlock(folderview->mainwin);
 929         inc_unlock();
 930 }
 931
 932 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 933                                                 GtkCTreeNode *node)
 934 {
 935         FolderItem *item;
 936
 937         if (node) {
 938                 item = gtk_ctree_node_get_row_data(ctree, node);
 939                 if (item) {
 940                         if (item->new_msgs > 0 ||
 941                             (item->stype == F_QUEUE && item->total_msgs > 0))
 942                                 return TRUE;
 943                 }
 944                 node = GTK_CTREE_ROW(node)->children;
 945         } else
 946                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 947
 948         while (node) {
 949                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 950                         return TRUE;
 951                 node = GTK_CTREE_ROW(node)->sibling;
 952         }
 953
 954         return FALSE;
 955 }
 956
 957 static gboolean folderview_have_new_children(FolderView *folderview,
 958                                              GtkCTreeNode *node)
 959 {
 960         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 961
 962         if (!node)
 963                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 964         if (!node)
 965                 return FALSE;
 966
 967         node = GTK_CTREE_ROW(node)->children;
 968
 969         while (node) {
 970                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 971                         return TRUE;
 972                 node = GTK_CTREE_ROW(node)->sibling;
 973         }
 974
 975         return FALSE;
 976 }
 977
 978 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 979                                                    GtkCTreeNode *node)
 980 {
 981         FolderItem *item;
 982
 983         if (node) {
 984                 item = gtk_ctree_node_get_row_data(ctree, node);
 985                 if (item) {
 986                         if (item->unread_msgs > 0 ||
 987                             (item->stype == F_QUEUE && item->total_msgs > 0))
 988                                 return TRUE;
 989                 }
 990                 node = GTK_CTREE_ROW(node)->children;
 991         } else
 992                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 993
 994         while (node) {
 995                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 996                         return TRUE;
 997                 node = GTK_CTREE_ROW(node)->sibling;
 998         }
 999
1000         return FALSE;
1001 }
1002
1003 static gboolean folderview_have_unread_children(FolderView *folderview,
1004                                                 GtkCTreeNode *node)
1005 {
1006         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1007
1008         if (!node)
1009                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1010         if (!node)
1011                 return FALSE;
1012
1013         node = GTK_CTREE_ROW(node)->children;
1014
1015         while (node) {
1016                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1017                         return TRUE;
1018                 node = GTK_CTREE_ROW(node)->sibling;
1019         }
1020
1021         return FALSE;
1022 }
1023
1024 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1025 {
1026         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1027         GtkStyle *style = NULL;
1028         GtkStyle *color_style = NULL;
1029         FolderItem *item;
1030         GdkPixmap *xpm, *openxpm;
1031         GdkBitmap *mask, *openmask;
1032         gchar *name;
1033         gchar *str;
1034         gboolean add_unread_mark;
1035         gboolean use_bold, use_color;
1036
1037         item = gtk_ctree_node_get_row_data(ctree, node);
1038         g_return_if_fail(item != NULL);
1039
1040         switch (item->stype) {
1041         case F_INBOX:
1042                 if (item->hide_read_msgs) {
1043                         xpm = inboxhrmxpm;
1044                         mask = inboxhrmxpmmask;
1045                         openxpm = inboxopenhrmxpm;
1046                         openmask = inboxopenhrmxpmmask;
1047                 } else {
1048                         xpm = inboxxpm;
1049                         mask = inboxxpmmask;
1050                         openxpm = inboxopenxpm;
1051                         openmask = inboxopenxpmmask;
1052                 }
1053                 break;
1054         case F_OUTBOX:
1055                 if (item->hide_read_msgs) {
1056                         xpm = outboxhrmxpm;
1057                         mask = outboxhrmxpmmask;
1058                         openxpm = outboxopenhrmxpm;
1059                         openmask = outboxopenhrmxpmmask;
1060                 } else {
1061                         xpm = outboxxpm;
1062                         mask = outboxxpmmask;
1063                         openxpm = outboxopenxpm;
1064                         openmask = outboxopenxpmmask;
1065                 }
1066                 break;
1067         case F_QUEUE:
1068                 if (item->hide_read_msgs) {
1069                         xpm = queuehrmxpm;
1070                         mask = queuehrmxpmmask;
1071                         openxpm = queueopenhrmxpm;
1072                         openmask = queueopenhrmxpmmask;
1073                 } else {
1074                         xpm = queuexpm;
1075                         mask = queuexpmmask;
1076                         openxpm = queueopenxpm;
1077                         openmask = queueopenxpmmask;
1078                 }
1079                 break;
1080         case F_TRASH:
1081                 if (item->hide_read_msgs) {
1082                         xpm = trashhrmxpm;
1083                         mask = trashhrmxpmmask;
1084                         openxpm = trashopenhrmxpm;
1085                         openmask = trashopenhrmxpmmask;
1086                 } else {
1087                         xpm = trashxpm;
1088                         mask = trashxpmmask;
1089                         openxpm = trashopenxpm;
1090                         openmask = trashopenxpmmask;
1091                 }
1092                 break;
1093         case F_DRAFT:
1094                 xpm = draftsxpm;
1095                 mask = draftsxpmmask;
1096                 openxpm = draftsopenxpm;
1097                 openmask = draftsopenxpmmask;
1098                 break;
1099         default:
1100                 if (item->hide_read_msgs) {
1101                         xpm = folderhrmxpm;
1102                         mask = folderhrmxpmmask;
1103                         openxpm = folderopenhrmxpm;
1104                         openmask = folderopenhrmxpmmask;
1105                 } else {
1106                         xpm = folderxpm;
1107                         mask = folderxpmmask;
1108                         openxpm = folderopenxpm;
1109                         openmask = folderopenxpmmask;
1110                 }
1111         }
1112         name = folder_item_get_name(item);
1113
1114         if (!GTK_CTREE_ROW(node)->expanded &&
1115             folderview_have_unread_children(folderview, node))
1116                 add_unread_mark = TRUE;
1117         else
1118                 add_unread_mark = FALSE;
1119
1120         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1121             prefs_common.display_folder_unread) {
1122                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1123                                       add_unread_mark ? "+" : "");
1124                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1125                                         xpm, mask, openxpm, openmask,
1126                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1127                 g_free(str);
1128         } else if ((item->unread_msgs > 0 || add_unread_mark) &&
1129                  prefs_common.display_folder_unread) {
1130
1131                 if (item->unread_msgs > 0)
1132                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1133                                               add_unread_mark ? "+" : "",
1134                                               item->unreadmarked_msgs > 0 ? "!":"");
1135                 else
1136                         str = g_strdup_printf("%s (+)", name);
1137                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1138                                         xpm, mask, openxpm, openmask,
1139                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1140                 g_free(str);
1141         } else {
1142                 str = g_strdup_printf("%s%s", name,
1143                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1144
1145                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1146                                         xpm, mask, openxpm, openmask,
1147                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1148                 g_free(str);
1149         }
1150         g_free(name);
1151
1152         if (!item->parent) {
1153                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1154                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1155                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1156         } else {
1157                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1158                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1159                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1160         }
1161
1162         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1163             item->stype == F_TRASH) {
1164                 use_bold = use_color = FALSE;
1165         } else if (item->stype == F_QUEUE) {
1166                 /* highlight queue folder if there are any messages */
1167                 use_bold = use_color = (item->total_msgs > 0);
1168         } else {
1169                 /* if unread messages exist, print with bold font */
1170                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1171                 /* if new messages exist, print with colored letter */
1172                 use_color =
1173                         (item->new_msgs > 0) ||
1174                         (add_unread_mark &&
1175                          folderview_have_new_children(folderview, node));
1176         }
1177
1178         gtk_ctree_node_set_foreground(ctree, node, NULL);
1179
1180         if (use_bold && use_color) {
1181                 style = bold_color_style;
1182         } else if (use_bold) {
1183                 style = bold_style;
1184                 if (item->op_count > 0) {
1185                         style = bold_tgtfold_style;
1186                 }
1187         } else if (use_color) {
1188                 style = normal_color_style;
1189                 gtk_ctree_node_set_foreground(ctree, node,
1190                                               &folderview->color_new);
1191         } else if (item->op_count > 0) {
1192                 style = bold_tgtfold_style;
1193         } else if (item->prefs->color > 0) {
1194                 GdkColor gdk_color;
1195
1196                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1197                 color_style = gtk_style_copy(normal_style);
1198                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1199                 style = color_style;
1200         } else {
1201                 style = normal_style;
1202         }
1203
1204         gtk_ctree_node_set_row_style(ctree, node, style);
1205
1206         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1207                 folderview_update_node(folderview, node);
1208 }
1209
1210 gboolean folderview_update_item(gpointer source, gpointer data)
1211 {
1212         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1213         FolderView *folderview = (FolderView *)data;
1214         GtkCTree *ctree;
1215         GtkCTreeNode *node;
1216
1217         g_return_val_if_fail(update_info != NULL, TRUE);
1218         g_return_val_if_fail(update_info->item != NULL, TRUE);
1219         g_return_val_if_fail(folderview != NULL, FALSE);
1220
1221         ctree = GTK_CTREE(folderview->ctree);
1222
1223         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1224         if (node) {
1225                 if (update_info->update_flags & F_ITEM_UPDATE_MSGCNT)
1226                         folderview_update_node(folderview, node);
1227                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1228                         summary_show(folderview->summaryview, update_info->item);
1229         }
1230
1231         return FALSE;
1232 }
1233
1234 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1235                                       GNode *gnode, GtkCTreeNode *cnode,
1236                                       gpointer data)
1237 {
1238         FolderView *folderview = (FolderView *)data;
1239         FolderItem *item = FOLDER_ITEM(gnode->data);
1240
1241         g_return_val_if_fail(item != NULL, FALSE);
1242
1243         gtk_ctree_node_set_row_data(ctree, cnode, item);
1244         folderview_update_node(folderview, cnode);
1245
1246         return TRUE;
1247 }
1248
1249 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1250                                    gpointer data)
1251 {
1252         FolderView *folderview = (FolderView *)data;
1253         FolderItem *item;
1254
1255         if (GTK_CTREE_ROW(node)->children) {
1256                 item = gtk_ctree_node_get_row_data(ctree, node);
1257                 g_return_if_fail(item != NULL);
1258
1259                 if (!item->collapsed)
1260                         gtk_ctree_expand(ctree, node);
1261                 else
1262                         folderview_update_node(folderview, node);
1263         }
1264 }
1265
1266 #define SET_SPECIAL_FOLDER(ctree, item) \
1267 { \
1268         if (item) { \
1269                 GtkCTreeNode *node, *parent, *sibling; \
1270  \
1271                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
1272                 if (!node) \
1273                         g_warning("%s not found.\n", item->path); \
1274                 else { \
1275                         parent = GTK_CTREE_ROW(node)->parent; \
1276                         if (prev && parent == GTK_CTREE_ROW(prev)->parent) \
1277                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
1278                         else \
1279                                 sibling = GTK_CTREE_ROW(parent)->children; \
1280                         if (node != sibling) \
1281                                 gtk_ctree_move(ctree, node, parent, sibling); \
1282                 } \
1283  \
1284                 prev = node; \
1285         } \
1286 }
1287
1288 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1289                                     Folder *folder)
1290 {
1291         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1292         GtkCTreeNode *prev = NULL;
1293
1294         gtk_sctree_sort_recursive(ctree, root);
1295
1296         if (GTK_CTREE_ROW(root)->parent) return;
1297
1298         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1299         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1300         SET_SPECIAL_FOLDER(ctree, folder->draft);
1301         SET_SPECIAL_FOLDER(ctree, folder->queue);
1302         SET_SPECIAL_FOLDER(ctree, folder->trash);
1303 }
1304
1305 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1306 {
1307         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1308         GtkCTreeNode *root;
1309
1310         g_return_if_fail(folder != NULL);
1311
1312         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1313                                       folderview_gnode_func, folderview);
1314         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1315                                 folderview);
1316         folderview_sort_folders(folderview, root, folder);
1317 }
1318
1319 void folderview_new_folder(FolderView *folderview)
1320 {
1321         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1322         FolderItem *item;
1323
1324         if (!folderview->selected) return;
1325
1326         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1327         g_return_if_fail(item != NULL);
1328         g_return_if_fail(item->folder != NULL);
1329
1330         switch (FOLDER_TYPE(item->folder)) {
1331         case F_MBOX:
1332                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1333                 break;
1334         case F_MH:
1335         case F_MAILDIR:
1336                 folderview_new_folder_cb(folderview, 0, NULL);
1337                 break;
1338         case F_IMAP:
1339                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1340                 break;
1341         case F_NEWS:
1342         default:
1343                 break;
1344         }
1345 }
1346
1347 void folderview_rename_folder(FolderView *folderview)
1348 {
1349         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1350         FolderItem *item;
1351
1352         if (!folderview->selected) return;
1353
1354         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1355         g_return_if_fail(item != NULL);
1356         g_return_if_fail(item->folder != NULL);
1357         if (!item->path) return;
1358         if (item->stype != F_NORMAL) return;
1359
1360         switch (FOLDER_TYPE(item->folder)) {
1361         case F_MBOX:
1362                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1363         case F_MH:
1364         case F_MAILDIR:
1365         case F_IMAP:
1366                 folderview_rename_folder_cb(folderview, 0, NULL);
1367                 break;
1368         case F_NEWS:
1369         default:
1370                 break;
1371         }
1372 }
1373
1374 void folderview_delete_folder(FolderView *folderview)
1375 {
1376         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1377         FolderItem *item;
1378
1379         if (!folderview->selected) return;
1380
1381         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1382         g_return_if_fail(item != NULL);
1383         g_return_if_fail(item->folder != NULL);
1384         if (!item->path) return;
1385         if (item->stype != F_NORMAL) return;
1386
1387         switch (FOLDER_TYPE(item->folder)) {
1388         case F_MH:
1389         case F_MBOX:
1390         case F_MAILDIR:
1391         case F_IMAP:
1392                 folderview_delete_folder_cb(folderview, 0, NULL);
1393                 break;
1394         case F_NEWS:
1395         default:
1396                 break;
1397         }
1398 }
1399
1400
1401 /* callback functions */
1402
1403 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1404                                       FolderView *folderview)
1405 {
1406         GtkCList *clist = GTK_CLIST(ctree);
1407         gint prev_row = -1, row = -1, column = -1;
1408         FolderItem *item;
1409         Folder *folder;
1410         GtkWidget *popup;
1411         gboolean mark_all_read   = FALSE;
1412         gboolean new_folder      = FALSE;
1413         gboolean rename_folder   = FALSE;
1414         gboolean move_folder     = FALSE;
1415         gboolean delete_folder   = FALSE;
1416         gboolean update_tree     = FALSE;
1417         gboolean rescan_tree     = FALSE;
1418         gboolean remove_tree     = FALSE;
1419         gboolean search_folder   = FALSE;
1420         gboolean folder_property = FALSE;
1421         gboolean folder_processing  = FALSE;
1422         gboolean folder_scoring  = FALSE;
1423
1424         if (!event) return;
1425
1426         if (event->button == 1) {
1427                 folderview->open_folder = TRUE;
1428                 return;
1429         }
1430
1431         if (event->button == 2 || event->button == 3) {
1432                 /* right clicked */
1433                 if (clist->selection) {
1434                         GtkCTreeNode *node;
1435
1436                         node = GTK_CTREE_NODE(clist->selection->data);
1437                         if (node)
1438                                 prev_row = gtkut_ctree_get_nth_from_node
1439                                         (GTK_CTREE(ctree), node);
1440                 }
1441
1442                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1443                                                   &row, &column))
1444                         return;
1445                 if (prev_row != row) {
1446                         gtk_clist_unselect_all(clist);
1447                         if (event->button == 2)
1448                                 folderview_select_node
1449                                         (folderview,
1450                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1451                                                             row));
1452                         else
1453                                 gtk_clist_select_row(clist, row, column);
1454                 }
1455         }
1456
1457         if (event->button != 3) return;
1458
1459         item = gtk_clist_get_row_data(clist, row);
1460         g_return_if_fail(item != NULL);
1461         g_return_if_fail(item->folder != NULL);
1462         folder = item->folder;
1463
1464         if (folderview->mainwin->lock_count == 0) {
1465                 new_folder = TRUE;
1466                 if (item->parent == NULL) {
1467                         update_tree = remove_tree = TRUE;
1468                         if (folder->account)
1469                                 folder_property = TRUE;
1470                 } else
1471                         mark_all_read = search_folder = folder_property = TRUE;
1472
1473                 if (FOLDER_IS_LOCAL(folder) || FOLDER_TYPE(folder) == F_IMAP || FOLDER_TYPE(folder) == F_MBOX) {
1474                         if (item->parent == NULL)
1475                                 update_tree = rescan_tree = TRUE;
1476                         else if (item->stype == F_NORMAL)
1477                                 move_folder = rename_folder = delete_folder = folder_scoring = folder_processing = TRUE;
1478                         else if (item->stype == F_INBOX)
1479                                 folder_scoring = folder_processing = TRUE;
1480                         else if (item->stype == F_TRASH)
1481                                 folder_processing = TRUE;
1482                         else if (item->stype == F_OUTBOX)
1483                                 folder_processing = TRUE;
1484                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
1485                         if (item->parent != NULL)
1486                                 delete_folder = folder_scoring = folder_processing = TRUE;
1487                 }
1488                 if (item->unread_msgs < 1)
1489                         mark_all_read = FALSE;
1490         }
1491
1492 #define SET_SENS(factory, name, sens) \
1493         menu_set_sensitive(folderview->factory, name, sens)
1494
1495         mark_all_read = mark_all_read &&
1496                         (item == folderview->summaryview->folder_item);
1497
1498         if (FOLDER_IS_LOCAL(folder)) {
1499                 popup = folderview->mail_popup;
1500                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1501                 SET_SENS(mail_factory, "/Mark all read", mark_all_read);
1502                 SET_SENS(mail_factory, "/Create new folder...", new_folder);
1503                 SET_SENS(mail_factory, "/Rename folder...", rename_folder);
1504                 SET_SENS(mail_factory, "/Move folder...", move_folder);
1505                 SET_SENS(mail_factory, "/Delete folder", delete_folder);
1506                 SET_SENS(mail_factory, "/Check for new messages", update_tree);
1507                 SET_SENS(mail_factory, "/Rebuild folder tree", rescan_tree);
1508                 SET_SENS(mail_factory, "/Remove mailbox", remove_tree);
1509                 SET_SENS(mail_factory, "/Search folder...", search_folder);
1510                 SET_SENS(mail_factory, "/Properties...", folder_property);
1511                 SET_SENS(mail_factory, "/Processing...", folder_processing);
1512                 SET_SENS(mail_factory, "/Scoring...", folder_scoring);
1513         } else if (FOLDER_TYPE(folder) == F_IMAP) {
1514                 popup = folderview->imap_popup;
1515                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1516                 SET_SENS(imap_factory, "/Mark all read", mark_all_read);
1517                 SET_SENS(imap_factory, "/Create new folder...", new_folder);
1518                 SET_SENS(imap_factory, "/Rename folder...", rename_folder);
1519                 SET_SENS(imap_factory, "/Move folder...", move_folder);
1520                 SET_SENS(imap_factory, "/Delete folder", delete_folder);
1521                 SET_SENS(imap_factory, "/Check for new messages", update_tree);
1522                 SET_SENS(imap_factory, "/Rebuild folder tree", rescan_tree);
1523                 SET_SENS(imap_factory, "/Remove IMAP4 account", remove_tree);
1524                 SET_SENS(imap_factory, "/Search folder...", search_folder);
1525                 SET_SENS(imap_factory, "/Properties...", folder_property);
1526                 SET_SENS(imap_factory, "/Processing...", folder_processing);
1527                 SET_SENS(imap_factory, "/Scoring...", folder_scoring);
1528         } else if (FOLDER_TYPE(folder) == F_NEWS) {
1529                 popup = folderview->news_popup;
1530                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1531                 SET_SENS(news_factory, "/Mark all read", mark_all_read);
1532                 SET_SENS(news_factory, "/Subscribe to newsgroup...", new_folder);
1533                 SET_SENS(news_factory, "/Remove newsgroup", delete_folder);
1534                 SET_SENS(news_factory, "/Check for new messages", update_tree);
1535                 SET_SENS(news_factory, "/Remove news account", remove_tree);
1536                 SET_SENS(news_factory, "/Search folder...", search_folder);
1537                 SET_SENS(news_factory, "/Properties...", folder_property);
1538                 SET_SENS(news_factory, "/Processing...", folder_processing);
1539                 SET_SENS(news_factory, "/Scoring...", folder_scoring);
1540         } else if (FOLDER_TYPE(folder) == F_MBOX) {
1541                 popup = folderview->mbox_popup;
1542                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1543                 SET_SENS(mbox_factory, "/Create new folder...", new_folder);
1544                 SET_SENS(mbox_factory, "/Rename folder...", rename_folder);
1545                 SET_SENS(mbox_factory, "/Move folder...", move_folder);
1546                 SET_SENS(mbox_factory, "/Delete folder", delete_folder);
1547                 SET_SENS(news_factory, "/Properties...", folder_property);
1548                 SET_SENS(mbox_factory, "/Processing...", folder_processing);
1549                 SET_SENS(mbox_factory, "/Scoring...", folder_scoring);
1550         } else
1551                 return;
1552
1553 #undef SET_SENS
1554
1555         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1556                        event->button, event->time);
1557 }
1558
1559 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1560                                        FolderView *folderview)
1561 {
1562         if (!event) return;
1563
1564         if (event->button == 1 && folderview->open_folder == FALSE &&
1565             folderview->opened != NULL) {
1566                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1567                                           folderview->opened);
1568                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1569         }
1570 }
1571
1572 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1573                                    FolderView *folderview)
1574 {
1575         if (!event) return;
1576
1577         switch (event->keyval) {
1578         case GDK_Return:
1579                 if (folderview->selected) {
1580                         folderview_select_node(folderview,
1581                                                folderview->selected);
1582                 }
1583                 break;
1584         case GDK_space:
1585                 if (folderview->selected) {
1586                         if (folderview->opened == folderview->selected &&
1587                             folderview->summaryview->messages == 0)
1588                                 folderview_select_next_unread(folderview);
1589                         else
1590                                 folderview_select_node(folderview,
1591                                                        folderview->selected);
1592                 }
1593                 break;
1594         default:
1595                 break;
1596         }
1597 }
1598
1599 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1600                                 gint column, FolderView *folderview)
1601 {
1602         static gboolean can_select = TRUE;      /* exclusive lock */
1603         gboolean opened;
1604         FolderItem *item;
1605         gchar *buf;
1606
1607         folderview->selected = row;
1608
1609         if (folderview->opened == row) {
1610                 folderview->open_folder = FALSE;
1611                 return;
1612         }
1613
1614         if (!can_select || summary_is_locked(folderview->summaryview)) {
1615                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1616                 gtk_ctree_select(ctree, folderview->opened);
1617                 return;
1618         }
1619
1620         if (!folderview->open_folder) return;
1621
1622         item = gtk_ctree_node_get_row_data(ctree, row);
1623         if (!item) return;
1624
1625         can_select = FALSE;
1626
1627         /* Save cache for old folder */
1628         /* We don't want to lose all caches if sylpheed crashed */
1629         if (folderview->opened) {
1630                 FolderItem *olditem;
1631
1632                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1633                 if (olditem) {
1634                         /* will be null if we just moved the previously opened folder */
1635                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1636                         folder_item_close(olditem);
1637                 }
1638         }
1639
1640         /* CLAWS: set compose button type: news folder items
1641          * always have a news folder as parent */
1642         if (item->folder)
1643                 toolbar_set_compose_button
1644                         (folderview->mainwin->toolbar,
1645                          FOLDER_TYPE(item->folder) == F_NEWS ?
1646                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1647
1648         if (item->path)
1649                 debug_print("Folder %s is selected\n", item->path);
1650
1651         if (!GTK_CTREE_ROW(row)->children)
1652                 gtk_ctree_expand(ctree, row);
1653         if (folderview->opened &&
1654             !GTK_CTREE_ROW(folderview->opened)->children)
1655                 gtk_ctree_collapse(ctree, folderview->opened);
1656
1657         /* ungrab the mouse event */
1658         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1659                 gtk_grab_remove(GTK_WIDGET(ctree));
1660                 if (gdk_pointer_is_grabbed())
1661                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1662         }
1663
1664         /* Open Folder */
1665         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1666                                         item->path : "(null)");
1667         debug_print("%s\n", buf);
1668         STATUSBAR_PUSH(folderview->mainwin, buf);
1669         g_free(buf);
1670
1671         main_window_cursor_wait(folderview->mainwin);
1672
1673         if (folder_item_open(item) != 0) {
1674                 main_window_cursor_normal(folderview->mainwin);
1675                 STATUSBAR_POP(folderview->mainwin);
1676
1677                 alertpanel_error(_("Folder could not be opened."));
1678
1679                 return;
1680         }
1681
1682         main_window_cursor_normal(folderview->mainwin);
1683
1684         /* Show messages */
1685         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1686         opened = summary_show(folderview->summaryview, item);
1687
1688         folder_clean_cache_memory();
1689
1690         if (!opened) {
1691                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1692                 gtk_ctree_select(ctree, folderview->opened);
1693         } else {
1694                 folderview->opened = row;
1695                 if (gtk_ctree_node_is_visible(ctree, row)
1696                     != GTK_VISIBILITY_FULL)
1697                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1698         }
1699
1700         STATUSBAR_POP(folderview->mainwin);
1701
1702         folderview->open_folder = FALSE;
1703         can_select = TRUE;
1704 }
1705
1706 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1707                                      FolderView *folderview)
1708 {
1709         FolderItem *item;
1710
1711         item = gtk_ctree_node_get_row_data(ctree, node);
1712         g_return_if_fail(item != NULL);
1713         item->collapsed = FALSE;
1714         folderview_update_node(folderview, node);
1715 }
1716
1717 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1718                                       FolderView *folderview)
1719 {
1720         FolderItem *item;
1721
1722         item = gtk_ctree_node_get_row_data(ctree, node);
1723         g_return_if_fail(item != NULL);
1724         item->collapsed= TRUE;
1725         folderview_update_node(folderview, node);
1726 }
1727
1728 static void folderview_popup_close(GtkMenuShell *menu_shell,
1729                                    FolderView *folderview)
1730 {
1731         if (!folderview->opened) return;
1732
1733         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1734                                   folderview->opened);
1735         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1736 }
1737
1738 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1739                                    FolderView *folderview)
1740 {
1741         switch (column) {
1742         case COL_FOLDER:
1743                 prefs_common.folder_col_folder = width;
1744                 break;
1745         case COL_NEW:
1746                 prefs_common.folder_col_new = width;
1747                 break;
1748         case COL_UNREAD:
1749                 prefs_common.folder_col_unread = width;
1750                 break;
1751         case COL_TOTAL:
1752                 prefs_common.folder_col_total = width;
1753                 break;
1754         default:
1755                 break;
1756         }
1757 }
1758
1759 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1760                                              GtkCTreeNode *node,
1761                                              const gchar *name)
1762 {
1763         FolderItem *item;
1764
1765         if (!node)
1766                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1767         if (!node)
1768                 return NULL;
1769
1770         node = GTK_CTREE_ROW(node)->children;
1771
1772         while (node) {
1773                 item = gtk_ctree_node_get_row_data(ctree, node);
1774                 if (!folderview_compare_name(item, name))
1775                         return node;
1776                 node = GTK_CTREE_ROW(node)->sibling;
1777         }
1778
1779         return NULL;
1780 }
1781
1782 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1783                                       GtkWidget *widget)
1784 {
1785         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1786         FolderItem *item;
1787
1788         if (!folderview->selected) return;
1789
1790         summary_show(folderview->summaryview, NULL);
1791
1792         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1793         g_return_if_fail(item != NULL);
1794         g_return_if_fail(item->folder != NULL);
1795
1796         if (action == 0)
1797                 folderview_check_new(item->folder);
1798         else
1799                 folderview_rescan_tree(item->folder);
1800 }
1801
1802 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1803 {
1804         GNode *srcnode;
1805
1806         folderview_create_folder_node(folderview, item);
1807
1808         srcnode = item->folder->node;
1809         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1810         srcnode = srcnode->children;
1811         while (srcnode != NULL) {
1812                 if (srcnode && srcnode->data) {
1813                         FolderItem *next_item = (FolderItem*) srcnode->data;
1814                         folderview_create_folder_node_recursive(folderview, next_item);
1815                 }
1816                 srcnode = srcnode->next;
1817         }
1818 }
1819
1820 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1821 {
1822         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1823         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1824         GtkCTreeNode *node, *parent_node;
1825
1826         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, item->parent);
1827
1828         gtk_clist_freeze(GTK_CLIST(ctree));
1829
1830         text[COL_FOLDER] = item->name;
1831         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1832                                      FOLDER_SPACING,
1833                                      folderxpm, folderxpmmask,
1834                                      folderopenxpm, folderopenxpmmask,
1835                                      FALSE, FALSE);
1836         gtk_ctree_expand(ctree, parent_node);
1837         gtk_ctree_node_set_row_data(ctree, node, item);
1838         if (normal_style)
1839                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1840         folderview_sort_folders(folderview, folderview->selected, item->folder);
1841
1842         gtk_clist_thaw(GTK_CLIST(ctree));
1843 }
1844
1845 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1846                                      GtkWidget *widget)
1847 {
1848         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1849         FolderItem *item;
1850         FolderItem *new_item;
1851         gchar *new_folder;
1852         gchar *name, *name_;
1853
1854         if (!folderview->selected) return;
1855
1856         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1857         g_return_if_fail(item != NULL);
1858         g_return_if_fail(item->folder != NULL);
1859
1860         new_folder = input_dialog(_("New folder"),
1861                                   _("Input the name of new folder:"),
1862                                   _("NewFolder"));
1863         if (!new_folder) return;
1864
1865         if (FOLDER_TYPE(item->folder) != F_MBOX) {
1866                 if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1867                         alertpanel_error(_("`%c' can't be included in folder name."),
1868                                          G_DIR_SEPARATOR);
1869                         g_free(new_folder);
1870                         return;
1871                 }
1872         }
1873
1874         name_ = trim_string(new_folder, 32);
1875         Xstrdup_a(name, name_, {g_free(new_folder); return;});
1876         g_free(name_);
1877
1878         /* find whether the directory already exists */
1879         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1880                 alertpanel_error(_("The folder `%s' already exists."), name);
1881                 g_free(new_folder);
1882                 return;
1883         }
1884
1885         new_item = folder_create_folder(item, new_folder);
1886         if (!new_item) {
1887                 alertpanel_error(_("Can't create the folder `%s'."), name);
1888                 g_free(new_folder);
1889                 return;
1890         }
1891         g_free(new_folder);
1892
1893         folderview_create_folder_node(folderview, new_item);
1894
1895         folder_write_list();
1896 }
1897
1898 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1899                                           GtkWidget *widget)
1900 {
1901         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1902         FolderItem *item;
1903         FolderItem *new_item;
1904         gchar *new_folder;
1905
1906         if (!folderview->selected) return;
1907
1908         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1909         g_return_if_fail(item != NULL);
1910         g_return_if_fail(item->folder != NULL);
1911
1912         new_folder = input_dialog(_("New folder"),
1913                                   _("Input the name of new folder:"),
1914                                   _("NewFolder"));
1915         if (!new_folder) return;
1916
1917         /* find whether the directory already exists */
1918         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1919                 alertpanel_error(_("The folder `%s' already exists."),
1920                                  new_folder);
1921                 g_free(new_folder);
1922                 return;
1923         }
1924
1925         new_item = folder_create_folder(item, new_folder);
1926         g_free(new_folder);
1927         if (!new_item) return;
1928
1929         folderview_create_folder_node(folderview, new_item);
1930
1931         folder_write_list();
1932 }
1933
1934 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1935                                         GtkWidget *widget)
1936 {
1937         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1938         FolderItem *item;
1939         gchar *new_folder;
1940         gchar *name, *name_;
1941         gchar *message;
1942         gchar *old_path;
1943         gchar *old_id;
1944         gchar *new_id;
1945
1946         if (!folderview->selected) return;
1947
1948         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1949         g_return_if_fail(item != NULL);
1950         g_return_if_fail(item->path != NULL);
1951         g_return_if_fail(item->folder != NULL);
1952
1953         name_ = trim_string(item->name, 32);
1954         Xstrdup_a(name, name_, return);
1955         g_free(name_);
1956         message = g_strdup_printf(_("Input new name for `%s':"), name);
1957         new_folder = input_dialog(_("Rename folder"), message,
1958                                   g_basename(item->path));
1959         g_free(message);
1960         if (!new_folder) return;
1961
1962         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1963                 alertpanel_error(_("`%c' can't be included in folder name."),
1964                                  G_DIR_SEPARATOR);
1965                 g_free(new_folder);
1966                 return;
1967         }
1968
1969         if (folderview_find_by_name
1970                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1971                  new_folder)) {
1972                 name = trim_string(new_folder, 32);
1973                 alertpanel_error(_("The folder `%s' already exists."), name);
1974                 g_free(name);
1975                 g_free(new_folder);
1976                 return;
1977         }
1978
1979         Xstrdup_a(old_path, item->path, {g_free(new_folder); return;});
1980         old_id = folder_item_get_identifier(item);
1981
1982         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
1983                 g_free(old_id);
1984                 g_free(new_folder);
1985                 return;
1986         }
1987         g_free(new_folder);
1988
1989         /* if (FOLDER_TYPE(item->folder) == F_MH)
1990                 prefs_filtering_rename_path(old_path, item->path); */
1991         new_id = folder_item_get_identifier(item);
1992         prefs_filtering_rename_path(old_id, new_id);
1993
1994         g_free(old_id);
1995         g_free(new_id);
1996
1997         gtk_clist_freeze(GTK_CLIST(ctree));
1998
1999         folderview_update_node(folderview, folderview->selected);
2000         folderview_sort_folders(folderview,
2001                                 GTK_CTREE_ROW(folderview->selected)->parent,
2002                                 item->folder);
2003         if (folderview->opened == folderview->selected ||
2004             gtk_ctree_is_ancestor(ctree,
2005                                   folderview->selected,
2006                                   folderview->opened)) {
2007                 GtkCTreeNode *node = folderview->opened;
2008                 folderview_unselect(folderview);
2009                 folderview_select_node(folderview, node);
2010         }
2011
2012         gtk_clist_thaw(GTK_CLIST(ctree));
2013
2014         folder_write_list();
2015 }
2016
2017 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
2018                                              guint action,
2019                                              GtkWidget *widget)
2020 {
2021         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2022         FolderItem *item;
2023         gchar *new_folder;
2024         gchar *message;
2025
2026         if (!folderview->selected) return;
2027
2028         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2029         g_return_if_fail(item != NULL);
2030         g_return_if_fail(item->path != NULL);
2031         g_return_if_fail(item->folder != NULL);
2032
2033         message = g_strdup_printf(_("Input new name for `%s':"),
2034                                   g_basename(item->path));
2035         new_folder = input_dialog(_("Rename folder"), message,
2036                                   g_basename(item->path));
2037         g_free(message);
2038         if (!new_folder) return;
2039
2040         if (folderview_find_by_name
2041                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2042                  new_folder)) {
2043                 alertpanel_error(_("The folder `%s' already exists."),
2044                                  new_folder);
2045                 g_free(new_folder);
2046                 return;
2047         }
2048
2049         if (item->folder->klass->rename_folder(item->folder, item, new_folder) < 0) {
2050                 g_free(new_folder);
2051                 return;
2052         }
2053         g_free(new_folder);
2054
2055         gtk_clist_freeze(GTK_CLIST(ctree));
2056
2057         folderview_update_node(folderview, folderview->selected);
2058         folderview_sort_folders(folderview,
2059                                 GTK_CTREE_ROW(folderview->selected)->parent,
2060                                 item->folder);
2061         if (folderview->opened == folderview->selected) {
2062                 if (!GTK_CTREE_ROW(folderview->opened)->children)
2063                         gtk_ctree_expand(ctree, folderview->opened);
2064                 summary_show(folderview->summaryview, item);
2065         }
2066
2067         gtk_clist_thaw(GTK_CLIST(ctree));
2068
2069         folder_write_list();
2070 }
2071
2072 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
2073                                         GtkWidget *widget)
2074 {
2075         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2076         FolderItem *item;
2077         gchar *message, *name, *name_;
2078         AlertValue avalue;
2079         gchar *old_path;
2080         gchar *old_id;
2081
2082         if (!folderview->selected) return;
2083
2084         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2085         g_return_if_fail(item != NULL);
2086         g_return_if_fail(item->path != NULL);
2087         g_return_if_fail(item->folder != NULL);
2088
2089         name_ = trim_string(item->name, 32);
2090         Xstrdup_a(name, name_, return);
2091         g_free(name_);
2092         message = g_strdup_printf
2093                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
2094                    "Do you really want to delete?"), name);
2095         avalue = alertpanel(_("Delete folder"), message,
2096                             _("Yes"), _("+No"), NULL);
2097         g_free(message);
2098         if (avalue != G_ALERTDEFAULT) return;
2099
2100         Xstrdup_a(old_path, item->path, return);
2101         old_id = folder_item_get_identifier(item);
2102
2103         if (item->folder->klass->remove_folder(item->folder, item) < 0) {
2104                 alertpanel_error(_("Can't remove the folder `%s'."), name);
2105                 if (folderview->opened == folderview->selected)
2106                         summary_show(folderview->summaryview,
2107                                      folderview->summaryview->folder_item);
2108                 g_free(old_id);
2109                 return;
2110         }
2111
2112         /* if (FOLDER_TYPE(item->folder) == F_MH)
2113                 prefs_filtering_delete_path(old_path); */
2114
2115         if (folderview->opened == folderview->selected ||
2116             gtk_ctree_is_ancestor(ctree,
2117                                   folderview->selected,
2118                                   folderview->opened)) {
2119                 summary_clear_all(folderview->summaryview);
2120                 folderview->opened = NULL;
2121         }
2122
2123         gtk_ctree_remove_node(ctree, folderview->selected);
2124         folder_write_list();
2125
2126         prefs_filtering_delete_path(old_id);
2127         g_free(old_id);
2128
2129 }
2130
2131 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
2132                                          GtkWidget *widget)
2133 {
2134         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2135         GtkCTreeNode *node;
2136         FolderItem *item;
2137         gchar *name, *name_;
2138         gchar *message;
2139         AlertValue avalue;
2140
2141         if (!folderview->selected) return;
2142         node = folderview->selected;
2143         item = gtk_ctree_node_get_row_data(ctree, node);
2144         g_return_if_fail(item != NULL);
2145         g_return_if_fail(item->folder != NULL);
2146         if (item->parent) return;
2147
2148         name_ = trim_string(item->folder->name, 32);
2149         Xstrdup_a(name, name_, return);
2150         g_free(name_);
2151         message = g_strdup_printf
2152                 (_("Really remove the mailbox `%s' ?\n"
2153                    "(The messages are NOT deleted from the disk)"), name);
2154         avalue = alertpanel(_("Remove mailbox"), message,
2155                             _("Yes"), _("+No"), NULL);
2156         g_free(message);
2157         if (avalue != G_ALERTDEFAULT) return;
2158
2159         folder_destroy(item->folder);
2160         summary_clear_all(folderview->summaryview);
2161         folderview_unselect(folderview);
2162         gtk_ctree_remove_node(ctree, node);
2163         folder_write_list();
2164 }
2165
2166 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
2167                                           GtkWidget *widget)
2168 {
2169         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2170         FolderItem *item;
2171         FolderItem *new_item;
2172         gchar *new_folder;
2173         gchar *name, *name_;
2174         gchar *p;
2175
2176         if (!folderview->selected) return;
2177
2178         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2179         g_return_if_fail(item != NULL);
2180         g_return_if_fail(item->folder != NULL);
2181         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2182         g_return_if_fail(item->folder->account != NULL);
2183
2184         new_folder = input_dialog
2185                 (_("New folder"),
2186                  _("Input the name of new folder:\n"
2187                    "(if you want to create a folder to store subfolders,\n"
2188                    " append `/' at the end of the name)"),
2189                  _("NewFolder"));
2190         if (!new_folder) return;
2191
2192         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
2193             *(p + 1) != '\0') {
2194                 alertpanel_error(_("`%c' can't be included in folder name."),
2195                                  G_DIR_SEPARATOR);
2196                 g_free(new_folder);
2197                 return;
2198         }
2199
2200         name_ = trim_string(new_folder, 32);
2201         Xstrdup_a(name, name_, return);
2202         g_free(name_);
2203
2204         /* find whether the directory already exists */
2205         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
2206                 alertpanel_error(_("The folder `%s' already exists."), name);
2207                 g_free(new_folder);
2208                 return;
2209         }
2210
2211         new_item = folder_create_folder(item, new_folder);
2212         if (!new_item) {
2213                 alertpanel_error(_("Can't create the folder `%s'."), name);
2214                 g_free(new_folder);
2215                 return;
2216         }
2217         g_free(new_folder);
2218
2219         folderview_create_folder_node(folderview, new_item);
2220
2221         folder_write_list();
2222 }
2223
2224 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
2225                                          GtkWidget *widget)
2226 {
2227         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2228         FolderItem *item;
2229         PrefsAccount *account;
2230         gchar *name, *name_;
2231         gchar *message;
2232         AlertValue avalue;
2233
2234         if (!folderview->selected) return;
2235
2236         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2237         g_return_if_fail(item != NULL);
2238         g_return_if_fail(item->folder != NULL);
2239         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2240         g_return_if_fail(item->folder->account != NULL);
2241
2242         name_ = trim_string(item->folder->name, 32);
2243         Xstrdup_a(name, name_, return);
2244         g_free(name_);
2245         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"), name);
2246         avalue = alertpanel(_("Delete IMAP4 account"), message,
2247                             _("Yes"), _("+No"), NULL);
2248         g_free(message);
2249
2250         if (avalue != G_ALERTDEFAULT) return;
2251
2252         if (folderview->opened == folderview->selected ||
2253             gtk_ctree_is_ancestor(ctree,
2254                                   folderview->selected,
2255                                   folderview->opened)) {
2256                 summary_clear_all(folderview->summaryview);
2257                 folderview->opened = NULL;
2258         }
2259
2260         account = item->folder->account;
2261         folder_destroy(item->folder);
2262         account_destroy(account);
2263         gtk_ctree_remove_node(ctree, folderview->selected);
2264         account_set_menu();
2265         main_window_reflect_prefs_all();
2266         folder_write_list();
2267 }
2268
2269 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
2270                                          GtkWidget *widget)
2271 {
2272         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2273         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2274         GtkCTreeNode *servernode, *node;
2275         Folder *folder;
2276         FolderItem *item;
2277         FolderItem *rootitem;
2278         FolderItem *newitem;
2279         GSList *new_subscr;
2280         GSList *cur;
2281         GNode *gnode;
2282
2283         if (!folderview->selected) return;
2284
2285         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2286         g_return_if_fail(item != NULL);
2287         folder = item->folder;
2288         g_return_if_fail(folder != NULL);
2289         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
2290         g_return_if_fail(folder->account != NULL);
2291
2292         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
2293                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
2294         else
2295                 servernode = folderview->selected;
2296
2297         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
2298
2299         new_subscr = grouplist_dialog(folder);
2300
2301         /* remove unsubscribed newsgroups */
2302         for (gnode = folder->node->children; gnode != NULL; ) {
2303                 GNode *next = gnode->next;
2304
2305                 item = FOLDER_ITEM(gnode->data);
2306                 if (g_slist_find_custom(new_subscr, item->path,
2307                                         (GCompareFunc)g_strcasecmp) != NULL) {
2308                         gnode = next;
2309                         continue;
2310                 }
2311
2312                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
2313                 if (!node) {
2314                         gnode = next;
2315                         continue;
2316                 }
2317
2318                 if (folderview->opened == node) {
2319                         summary_clear_all(folderview->summaryview);
2320                         folderview->opened = NULL;
2321                 }
2322
2323                 folder_item_remove(item);
2324                 gtk_ctree_remove_node(ctree, node);
2325
2326                 gnode = next;
2327         }
2328
2329         gtk_clist_freeze(GTK_CLIST(ctree));
2330
2331         /* add subscribed newsgroups */
2332         for (cur = new_subscr; cur != NULL; cur = cur->next) {
2333                 gchar *name = (gchar *)cur->data;
2334
2335                 if (folderview_find_by_name(ctree, servernode, name) != NULL)
2336                         continue;
2337
2338                 text[COL_FOLDER] = name;
2339                 node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
2340                                              FOLDER_SPACING,
2341                                              folderxpm, folderxpmmask,
2342                                              folderopenxpm, folderopenxpmmask,
2343                                              FALSE, FALSE);
2344                 gtk_ctree_expand(ctree, servernode);
2345
2346                 newitem = folder_item_new(folder, name, name);
2347                 folder_item_append(rootitem, newitem);
2348                 gtk_ctree_node_set_row_data(ctree, node, newitem);
2349         }
2350
2351         folderview_sort_folders(folderview, servernode, folder);
2352         gtk_clist_thaw(GTK_CLIST(ctree));
2353
2354         slist_free_strings(new_subscr);
2355         g_slist_free(new_subscr);
2356
2357         folder_write_list();
2358 }
2359
2360 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
2361                                         GtkWidget *widget)
2362 {
2363         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2364         FolderItem *item;
2365         gchar *name, *name_;
2366         gchar *message;
2367         AlertValue avalue;
2368
2369         if (!folderview->selected) return;
2370
2371         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2372         g_return_if_fail(item != NULL);
2373         g_return_if_fail(item->folder != NULL);
2374         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2375         g_return_if_fail(item->folder->account != NULL);
2376
2377         name_ = trim_string(item->path, 32);
2378         Xstrdup_a(name, name_, return);
2379         g_free(name_);
2380         message = g_strdup_printf(_("Really delete newsgroup `%s'?"), name);
2381         avalue = alertpanel(_("Delete newsgroup"), message,
2382                             _("Yes"), _("+No"), NULL);
2383         g_free(message);
2384         if (avalue != G_ALERTDEFAULT) return;
2385
2386         if (folderview->opened == folderview->selected) {
2387                 summary_clear_all(folderview->summaryview);
2388                 folderview->opened = NULL;
2389         }
2390
2391         folder_item_remove(item);
2392         gtk_ctree_remove_node(ctree, folderview->selected);
2393         folder_write_list();
2394
2395         prefs_filtering_delete_path(name);
2396 }
2397
2398 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
2399                                          GtkWidget *widget)
2400 {
2401         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2402         FolderItem *item;
2403         PrefsAccount *account;
2404         gchar *name, *name_;
2405         gchar *message;
2406         AlertValue avalue;
2407
2408         if (!folderview->selected) return;
2409
2410         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2411         g_return_if_fail(item != NULL);
2412         g_return_if_fail(item->folder != NULL);
2413         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2414         g_return_if_fail(item->folder->account != NULL);
2415
2416         name_ = trim_string(item->folder->name, 32);
2417         Xstrdup_a(name, name_, return);
2418         g_free(name_);
2419         message = g_strdup_printf(_("Really delete news account `%s'?"), name);
2420         avalue = alertpanel(_("Delete news account"), message,
2421                             _("Yes"), _("+No"), NULL);
2422         g_free(message);
2423
2424         if (avalue != G_ALERTDEFAULT) return;
2425
2426         if (folderview->opened == folderview->selected ||
2427             gtk_ctree_is_ancestor(ctree,
2428                                   folderview->selected,
2429                                   folderview->opened)) {
2430                 summary_clear_all(folderview->summaryview);
2431                 folderview->opened = NULL;
2432         }
2433
2434         account = item->folder->account;
2435         folder_destroy(item->folder);
2436         account_destroy(account);
2437         gtk_ctree_remove_node(ctree, folderview->selected);
2438         account_set_menu();
2439         main_window_reflect_prefs_all();
2440         folder_write_list();
2441 }
2442
2443 static void folderview_search_cb(FolderView *folderview, guint action,
2444                                  GtkWidget *widget)
2445 {
2446         summary_search(folderview->summaryview);
2447 }
2448
2449 static void folderview_property_cb(FolderView *folderview, guint action,
2450                                    GtkWidget *widget)
2451 {
2452         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2453         FolderItem *item;
2454
2455         if (!folderview->selected) return;
2456
2457         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2458         g_return_if_fail(item != NULL);
2459         g_return_if_fail(item->folder != NULL);
2460
2461         if (item->parent == NULL && item->folder->account)
2462                 account_open(item->folder->account);
2463         else {
2464                 summary_save_prefs_to_folderitem(folderview->summaryview, item);
2465                 prefs_folder_item_create(folderview, item);
2466         }
2467 }
2468
2469 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2470 {
2471         GSList *list = NULL;
2472         GSList *done = NULL;
2473         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2474
2475         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2476                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2477                 &&  list->data != node) {
2478                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2479                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2480                 }
2481         }
2482         for (list = done; list != NULL; list = g_slist_next(list)) {
2483                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2484                                                                  list->data);
2485         }
2486         g_slist_free(done);
2487 }
2488
2489 static void folderview_move_to_cb(FolderView *folderview)
2490 {
2491         FolderItem *from_folder = NULL, *to_folder = NULL;
2492
2493         if (folderview->selected)
2494                 from_folder = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree), folderview->selected);
2495         if (!from_folder || FOLDER_TYPE(from_folder->folder) == F_NEWS)
2496                 return;
2497
2498         to_folder = foldersel_folder_sel(from_folder->folder, FOLDER_SEL_MOVE, NULL);
2499
2500         if (!to_folder || FOLDER_TYPE(to_folder->folder) == F_NEWS)
2501                 return;
2502
2503         folderview_move_to(folderview, from_folder, to_folder);
2504 }
2505
2506 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
2507                                FolderItem *to_folder)
2508 {
2509         FolderItem *from_parent = NULL;
2510         FolderItem *new_folder = NULL;
2511         GtkCTreeNode *src_node = NULL;
2512         gchar *buf;
2513         gint status;
2514
2515         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2516         from_parent = from_folder->parent;
2517         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2518         STATUSBAR_PUSH(folderview->mainwin, buf);
2519         g_free(buf);
2520         summary_clear_all(folderview->summaryview);
2521         folderview->opened = NULL;
2522         folderview->selected = NULL;
2523         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2524         inc_lock();
2525         main_window_cursor_wait(folderview->mainwin);
2526         statusbar_verbosity_set(TRUE);
2527         folder_item_update_freeze();
2528         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2529                 statusbar_verbosity_set(FALSE);
2530                 main_window_cursor_normal(folderview->mainwin);
2531                 STATUSBAR_POP(folderview->mainwin);
2532                 folder_item_update_thaw();
2533                 if (src_node)
2534                         gtk_ctree_remove_node(GTK_CTREE(folderview->ctree), src_node);
2535                 else
2536                         debug_print("can't remove src node: is null\n");
2537
2538                 folderview_create_folder_node_recursive(folderview, new_folder);
2539
2540                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2541
2542                 folderview_sort_folders(folderview,
2543                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2544                                 NULL, new_folder->parent), new_folder->folder);
2545                 folderview_select(folderview, new_folder);
2546         } else {
2547                 statusbar_verbosity_set(FALSE);
2548                 main_window_cursor_normal(folderview->mainwin);
2549                 STATUSBAR_POP(folderview->mainwin);
2550                 folder_item_update_thaw();
2551                 switch (status) {
2552                 case F_MOVE_FAILED_DEST_IS_PARENT:
2553                         alertpanel_error(_("Source and destination are the same."));
2554                         break;
2555                 case F_MOVE_FAILED_DEST_IS_CHILD:
2556                         alertpanel_error(_("Can't move a folder to one of its children."));
2557                         break;
2558                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2559                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2560                         break;
2561                 default:
2562                         alertpanel_error(_("Move failed!"));
2563                         break;
2564                 }
2565         }
2566         inc_unlock();
2567         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2568 }
2569
2570 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2571                                           GdkDragContext *context,
2572                                           gint            x,
2573                                           gint            y,
2574                                           guint           time,
2575                                           FolderView     *folderview)
2576 {
2577         gint row, column;
2578         FolderItem *item, *src_item = NULL;
2579         GtkCTreeNode *node = NULL;
2580         gboolean acceptable = FALSE;
2581         gint height = folderview->ctree->allocation.height;
2582         gint total_height = folderview->ctree->requisition.height;
2583         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2584                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2585         gfloat vpos = pos->value;
2586
2587         if (gtk_clist_get_selection_info
2588                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2589                 if (y > height - 24 && height + vpos < total_height)
2590                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2591
2592                 if (y < 24 && y > 0)
2593                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2594
2595                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2596                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2597                 src_item = folderview->summaryview->folder_item;
2598
2599                 if (item && item->folder && item->path &&
2600                     src_item && src_item != item) {
2601                         switch (FOLDER_TYPE(item->folder)) {
2602                         case F_MH:
2603                         case F_MBOX:
2604                         case F_IMAP:
2605                                 acceptable = TRUE;
2606                                 break;
2607                         default:
2608                                 break;
2609                         }
2610                 } else if (item && item->folder && folder_item_get_path(item) &&
2611                            src_item && src_item != item) {
2612                         /* a root folder - acceptable only from folderview */
2613                         if (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP)
2614                                 acceptable = TRUE;
2615                 }
2616
2617         }
2618
2619         if (acceptable || (src_item && src_item == item)) {
2620                 folderview_recollapse_nodes(folderview, node);
2621                 if (item->collapsed) {
2622                         gtk_ctree_expand(GTK_CTREE(widget), node);
2623                         folderview->nodes_to_recollapse = g_slist_append(
2624                                                                 folderview->nodes_to_recollapse,
2625                                                                 node);
2626                 }
2627         }
2628
2629         if (acceptable) {
2630                 gtk_signal_handler_block_by_func
2631                         (GTK_OBJECT(widget),
2632                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2633                 gtk_ctree_select(GTK_CTREE(widget), node);
2634                 gtk_signal_handler_unblock_by_func
2635                         (GTK_OBJECT(widget),
2636                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2637                 gdk_drag_status(context,
2638                                         (context->actions == GDK_ACTION_COPY ?
2639                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2640         } else {
2641                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2642                 gdk_drag_status(context, 0, time);
2643         }
2644
2645         return acceptable;
2646 }
2647
2648 static void folderview_drag_leave_cb(GtkWidget      *widget,
2649                                      GdkDragContext *context,
2650                                      guint           time,
2651                                      FolderView     *folderview)
2652 {
2653         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2654 }
2655
2656 static void folderview_drag_received_cb(GtkWidget        *widget,
2657                                         GdkDragContext   *drag_context,
2658                                         gint              x,
2659                                         gint              y,
2660                                         GtkSelectionData *data,
2661                                         guint             info,
2662                                         guint             time,
2663                                         FolderView       *folderview)
2664 {
2665         gint row, column;
2666         FolderItem *item, *src_item;
2667         GtkCTreeNode *node;
2668
2669         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2670                 /* comes from summaryview */
2671                 if (gtk_clist_get_selection_info
2672                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2673                         return;
2674
2675                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2676                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2677                 src_item = folderview->summaryview->folder_item;
2678
2679                 /* re-check (due to acceptable possibly set for folder moves */
2680                 if (!(item && item->folder && item->path &&
2681                       src_item && src_item != item &&
2682                       (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP))) {
2683                         return;
2684                 }
2685                 if (item && src_item) {
2686                         switch (drag_context->action) {
2687                                 case GDK_ACTION_COPY:
2688                                         summary_copy_selected_to(folderview->summaryview, item);
2689                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2690                                         break;
2691                                 case GDK_ACTION_MOVE:
2692                                 case GDK_ACTION_DEFAULT:
2693                                 default:
2694                         if (FOLDER_TYPE(src_item->folder) != FOLDER_TYPE(item->folder) ||
2695                             (FOLDER_TYPE(item->folder) == F_IMAP &&
2696                              src_item->folder != item->folder))
2697                                 summary_copy_selected_to(folderview->summaryview, item);
2698                         else
2699                                 summary_move_selected_to(folderview->summaryview, item);
2700                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2701                         }
2702                 } else
2703                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2704         } else {
2705                 /* comes from folderview */
2706                 char *source;
2707
2708                 source = data->data + 17;
2709                 if (gtk_clist_get_selection_info
2710                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2711                     || *source == 0) {
2712                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2713                         return;
2714                 }
2715                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2716                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2717                 src_item = folder_find_item_from_identifier(source);
2718
2719                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2720                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2721                         return;
2722                 }
2723
2724                 folderview_move_to(folderview, src_item, item);
2725                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2726         }
2727         folderview->nodes_to_recollapse = NULL;
2728 }
2729
2730 static gint folderview_clist_compare(GtkCList *clist,
2731                                      gconstpointer ptr1, gconstpointer ptr2)
2732 {
2733         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2734         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2735
2736         if (!item1->name)
2737                 return (item2->name != NULL);
2738         if (!item2->name)
2739                 return -1;
2740
2741         return g_strcasecmp(item1->name, item2->name);
2742 }
2743
2744 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2745 {
2746         const FolderItem *item = a;
2747         const gchar *name = b;
2748
2749         if (!item->path) return -1;
2750         return strcmp2(g_basename(item->path), name);
2751 }
2752
2753 static void folderview_scoring_cb(FolderView *folderview, guint action,
2754                                    GtkWidget *widget)
2755 {
2756         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2757         FolderItem *item;
2758
2759         if (!folderview->selected) return;
2760
2761         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2762         g_return_if_fail(item != NULL);
2763         g_return_if_fail(item->folder != NULL);
2764
2765         prefs_scoring_open(item);
2766 }
2767
2768 static void folderview_processing_cb(FolderView *folderview, guint action,
2769                                      GtkWidget *widget)
2770 {
2771         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2772         FolderItem *item;
2773
2774         if (!folderview->selected) return;
2775
2776         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2777         g_return_if_fail(item != NULL);
2778         g_return_if_fail(item->folder != NULL);
2779
2780         prefs_filtering_open(item, NULL, NULL);
2781 }
2782
2783 void folderview_set_target_folder_color(gint color_op)
2784 {
2785         gint firstone = 1;
2786         GList *list;
2787         FolderView *folderview;
2788
2789         for (list = folderview_list; list != NULL; list = list->next) {
2790                 folderview = (FolderView *)list->data;
2791                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2792                 if (firstone) {
2793                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2794                                 folderview->color_op;
2795                         firstone = 0;
2796                 }
2797         }
2798 }
2799
2800 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2801 {
2802         folderview_init(folderview);
2803         folderview_set_all();
2804 }
2805
2806 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2807                                   FolderView       *folderview)
2808 {
2809         GdkDragContext *context;
2810
2811         g_return_if_fail(folderview != NULL);
2812         if (folderview->selected == NULL) return;
2813
2814         folderview->nodes_to_recollapse = NULL; /* in case the last drag has been cancelled */
2815
2816         context = gtk_drag_begin(widget, folderview->target_list,
2817                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2818         gtk_drag_set_icon_default(context);
2819 }
2820
2821 static void folderview_drag_data_get(GtkWidget        *widget,
2822                                      GdkDragContext   *drag_context,
2823                                      GtkSelectionData *selection_data,
2824                                      guint             info,
2825                                      guint             time,
2826                                      FolderView       *folderview)
2827 {
2828         FolderItem *item;
2829         GList *cur;
2830         gchar *source=NULL;
2831
2832         for (cur = GTK_CLIST(folderview->ctree)->selection;
2833              cur != NULL; cur = cur->next) {
2834                 item = gtk_ctree_node_get_row_data
2835                         (GTK_CTREE(folderview->ctree),
2836                          GTK_CTREE_NODE(cur->data));
2837                 if (item) {
2838                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2839                         gtk_selection_data_set(selection_data,
2840                                                selection_data->target, 8,
2841                                                source, strlen(source));
2842                         break;
2843                 } else
2844                         return;
2845         }
2846 }
2847
2848 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2849 {
2850         FolderUpdateData *hookdata;
2851         FolderView *folderview;
2852         GtkWidget *ctree;
2853
2854         hookdata = source;
2855         folderview = (FolderView *) userdata;
2856         g_return_val_if_fail(hookdata != NULL, FALSE);
2857         g_return_val_if_fail(folderview != NULL, FALSE);
2858
2859         ctree = folderview->ctree;
2860         g_return_val_if_fail(ctree != NULL, FALSE);
2861
2862         if (hookdata->update_flags & FOLDER_TREE_CHANGED) {
2863                 folderview_set(folderview);
2864         }
2865
2866         return FALSE;
2867 }