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_item          (gpointer          source,
 268                                           gpointer          data);
 269
 270 static void folderview_scoring_cb(FolderView *folderview, guint action,
 271                                   GtkWidget *widget);
 272 static void folderview_processing_cb(FolderView *folderview, guint action,
 273                                      GtkWidget *widget);
 274 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
 275                                FolderItem *to_folder);
 276 static void folderview_move_to_cb(FolderView *folderview);
 277
 278 static GtkItemFactoryEntry folderview_mbox_popup_entries[] =
 279 {
 280         {N_("/Create _new folder..."),  NULL, folderview_new_mbox_folder_cb,    0, NULL},
 281         {N_("/_Rename folder..."),      NULL, folderview_rename_mbox_folder_cb, 0, NULL},
 282         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 283         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 284         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 285         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 286         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 287         {N_("/_Properties..."),         NULL, NULL, 0, NULL},
 288         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 289         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 290 };
 291
 292 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 293 {
 294         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 295         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 296         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 297         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 298         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 299         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 300         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 301         {N_("/_Check for new messages"),
 302                                         NULL, folderview_update_tree_cb, 0, NULL},
 303         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 304         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 305         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 306         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 307         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 308         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 309         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 310         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 311 };
 312
 313 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 314 {
 315         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 316         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 317         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 318         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb,   0, NULL},
 319         {N_("/M_ove folder..."),        NULL, folderview_move_to_cb, 0, NULL},
 320         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb,   0, NULL},
 321         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 322         {N_("/_Check for new messages"),
 323                                         NULL, folderview_update_tree_cb, 0, NULL},
 324         {N_("/R_ebuild folder tree"),   NULL, folderview_update_tree_cb, 1, NULL},
 325         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 326         {N_("/Remove _IMAP4 account"),  NULL, folderview_rm_imap_server_cb, 0, NULL},
 327         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 328         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 329         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 330         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 331         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 332 };
 333
 334 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 335 {
 336         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 337         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 338         {N_("/_Subscribe to newsgroup..."),
 339                                         NULL, folderview_new_news_group_cb, 0, NULL},
 340         {N_("/_Remove newsgroup"),      NULL, folderview_rm_news_group_cb, 0, NULL},
 341         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 342         {N_("/_Check for new messages"),
 343                                         NULL, folderview_update_tree_cb, 0, NULL},
 344         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 345         {N_("/Remove _news account"),   NULL, folderview_rm_news_server_cb, 0, NULL},
 346         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 347         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 348         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 349         {N_("/_Processing..."),         NULL, folderview_processing_cb, 0, NULL},
 350         {N_("/S_coring..."),            NULL, folderview_scoring_cb, 0, NULL}
 351 };
 352
 353
 354 FolderView *folderview_create(void)
 355 {
 356         FolderView *folderview;
 357         GtkWidget *scrolledwin;
 358         GtkWidget *ctree;
 359         gchar *titles[N_FOLDER_COLS];
 360         GtkWidget *mail_popup;
 361         GtkWidget *news_popup;
 362         GtkWidget *imap_popup;
 363         GtkWidget *mbox_popup;
 364         GtkItemFactory *mail_factory;
 365         GtkItemFactory *news_factory;
 366         GtkItemFactory *imap_factory;
 367         GtkItemFactory *mbox_factory;
 368         gint n_entries;
 369         gint i;
 370
 371         debug_print("Creating folder view...\n");
 372         folderview = g_new0(FolderView, 1);
 373
 374         titles[COL_FOLDER] = _("Folder");
 375         titles[COL_NEW]    = _("New");
 376         titles[COL_UNREAD] = _("Unread");
 377         titles[COL_TOTAL]  = _("#");
 378
 379         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 380         gtk_scrolled_window_set_policy
 381                 (GTK_SCROLLED_WINDOW(scrolledwin),
 382                  GTK_POLICY_AUTOMATIC,
 383                  prefs_common.folderview_vscrollbar_policy);
 384         gtk_widget_set_usize(scrolledwin,
 385                              prefs_common.folderview_width,
 386                              prefs_common.folderview_height);
 387
 388         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 389
 390         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 391         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 392 #ifndef CLAWS /* text instead of pixmaps */
 393         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 394                                            GTK_JUSTIFY_RIGHT);
 395         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 396                                            GTK_JUSTIFY_RIGHT);
 397 #endif
 398         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 399                                            GTK_JUSTIFY_RIGHT);
 400         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 401                                    prefs_common.folder_col_folder);
 402         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 403                                    prefs_common.folder_col_new);
 404         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 405                                    prefs_common.folder_col_unread);
 406         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 407                                    prefs_common.folder_col_total);
 408         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 409         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 410                                      GTK_CTREE_EXPANDER_SQUARE);
 411         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 412         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 413
 414         /* don't let title buttons take key focus */
 415         for (i = 0; i < N_FOLDER_COLS; i++)
 416                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 417                                        GTK_CAN_FOCUS);
 418
 419         /* popup menu */
 420         n_entries = sizeof(folderview_mail_popup_entries) /
 421                 sizeof(folderview_mail_popup_entries[0]);
 422         mail_popup = menu_create_items(folderview_mail_popup_entries,
 423                                        n_entries,
 424                                        "<MailFolder>", &mail_factory,
 425                                        folderview);
 426         n_entries = sizeof(folderview_imap_popup_entries) /
 427                 sizeof(folderview_imap_popup_entries[0]);
 428         imap_popup = menu_create_items(folderview_imap_popup_entries,
 429                                        n_entries,
 430                                        "<IMAPFolder>", &imap_factory,
 431                                        folderview);
 432         n_entries = sizeof(folderview_news_popup_entries) /
 433                 sizeof(folderview_news_popup_entries[0]);
 434         news_popup = menu_create_items(folderview_news_popup_entries,
 435                                        n_entries,
 436                                        "<NewsFolder>", &news_factory,
 437                                        folderview);
 438         n_entries = sizeof(folderview_mbox_popup_entries) /
 439                 sizeof(folderview_mbox_popup_entries[0]);
 440         mbox_popup = menu_create_items(folderview_mbox_popup_entries,
 441                                        n_entries,
 442                                        "<MailFolder>", &mbox_factory,
 443                                        folderview);
 444
 445         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 446                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 447                            folderview);
 448         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 449                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 450                            folderview);
 451         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 452                            GTK_SIGNAL_FUNC(folderview_button_released),
 453                            folderview);
 454         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 455                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 456         gtk_signal_connect(GTK_OBJECT(ctree), "start_drag",
 457                            GTK_SIGNAL_FUNC(folderview_start_drag), folderview);
 458         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 459                            GTK_SIGNAL_FUNC(folderview_drag_data_get),
 460                            folderview);
 461
 462         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 463                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 464                                  folderview);
 465         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 466                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 467                                  folderview);
 468
 469         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 470                            GTK_SIGNAL_FUNC(folderview_col_resized),
 471                            folderview);
 472
 473         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 474                            GTK_SIGNAL_FUNC(folderview_popup_close),
 475                            folderview);
 476         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 477                            GTK_SIGNAL_FUNC(folderview_popup_close),
 478                            folderview);
 479         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 480                            GTK_SIGNAL_FUNC(folderview_popup_close),
 481                            folderview);
 482         gtk_signal_connect(GTK_OBJECT(mbox_popup), "selection_done",
 483                            GTK_SIGNAL_FUNC(folderview_popup_close),
 484                            folderview);
 485
 486         /* drop callback */
 487         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL &
 488                           ~GTK_DEST_DEFAULT_HIGHLIGHT,
 489                           summary_drag_types, 1,
 490                           GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT);
 491         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 492                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 493                            folderview);
 494         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 495                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 496                            folderview);
 497         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 498                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 499                            folderview);
 500
 501         folderview->scrolledwin  = scrolledwin;
 502         folderview->ctree        = ctree;
 503         folderview->mail_popup   = mail_popup;
 504         folderview->mail_factory = mail_factory;
 505         folderview->imap_popup   = imap_popup;
 506         folderview->imap_factory = imap_factory;
 507         folderview->news_popup   = news_popup;
 508         folderview->news_factory = news_factory;
 509         folderview->mbox_popup   = mbox_popup;
 510         folderview->mbox_factory = mbox_factory;
 511
 512         folderview->folder_item_update_callback_id =
 513                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item, (gpointer) folderview);
 514
 515         gtk_widget_show_all(scrolledwin);
 516
 517         folderview_list = g_list_append(folderview_list, folderview);
 518
 519         return folderview;
 520 }
 521
 522 void folderview_init(FolderView *folderview)
 523 {
 524         GtkWidget *ctree = folderview->ctree;
 525         GtkWidget *label_new;
 526         GtkWidget *label_unread;
 527         GtkWidget *hbox_new;
 528         GtkWidget *hbox_unread;
 529
 530         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 531         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 532         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 533         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 534         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 535         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 536         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 537         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 538         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 539         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 540         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 541         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 542         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 543         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 544         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 545         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 546         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 547         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 548         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 549         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 550         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 551         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 552
 553         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 554          * instead text (text overflows making them unreadable and ugly) */
 555         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 556                          &newxpm, &newxpmmask);
 557         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 558                          &unreadxpm, &unreadxpmmask);
 559
 560         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 561         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 562
 563         hbox_new = gtk_hbox_new(FALSE, 4);
 564         hbox_unread = gtk_hbox_new(FALSE, 4);
 565
 566         /* left justified */
 567         gtk_box_pack_start(GTK_BOX(hbox_new),label_new,FALSE,FALSE,0);
 568         gtk_box_pack_start(GTK_BOX(hbox_unread),label_unread,FALSE,FALSE,0);
 569
 570         gtk_widget_show_all(hbox_new);
 571         gtk_widget_show_all(hbox_unread);
 572
 573         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 574         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 575
 576         if (!normalfont) {
 577                 if (gtkut_font_load(NORMAL_FONT) == NULL) {
 578                         GtkStyle *style = gtk_style_new();
 579                         normalfont = style->font;
 580                         gdk_font_ref(normalfont);
 581                         gtk_style_unref(style);
 582                 }
 583                 else
 584                         normalfont = gtkut_font_load(NORMAL_FONT);
 585         }
 586
 587         if (!boldfont) {
 588                 if (gtkut_font_load(BOLD_FONT) == NULL) {
 589                         GtkStyle *style = gtk_style_new();
 590                         boldfont = style->font;
 591                         gdk_font_ref(boldfont);
 592                         gtk_style_unref(style);
 593                 }
 594                 else
 595                         boldfont = gtkut_font_load(BOLD_FONT);
 596         }
 597
 598         if (!bold_style) {
 599                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 600                 bold_style->font = boldfont;
 601                 bold_color_style = gtk_style_copy(bold_style);
 602                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 603
 604                 bold_tgtfold_style = gtk_style_copy(bold_style);
 605                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 606         }
 607         if (!normal_style) {
 608                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 609                 normal_style->font = normalfont;
 610                 normal_color_style = gtk_style_copy(normal_style);
 611                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 612         }
 613 }
 614
 615 void folderview_set(FolderView *folderview)
 616 {
 617         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 618         MainWindow *mainwin = folderview->mainwin;
 619
 620         debug_print("Setting folder info...\n");
 621         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 622
 623         main_window_cursor_wait(mainwin);
 624
 625         folderview->selected = NULL;
 626         folderview->opened = NULL;
 627
 628         gtk_clist_freeze(GTK_CLIST(ctree));
 629         gtk_clist_clear(GTK_CLIST(ctree));
 630         gtk_clist_thaw(GTK_CLIST(ctree));
 631         gtk_clist_freeze(GTK_CLIST(ctree));
 632
 633         folderview_set_folders(folderview);
 634
 635         gtk_clist_thaw(GTK_CLIST(ctree));
 636         main_window_cursor_normal(mainwin);
 637         STATUSBAR_POP(mainwin);
 638 }
 639
 640 void folderview_set_all(void)
 641 {
 642         GList *list;
 643
 644         for (list = folderview_list; list != NULL; list = list->next)
 645                 folderview_set((FolderView *)list->data);
 646 }
 647
 648 void folderview_select(FolderView *folderview, FolderItem *item)
 649 {
 650         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 651         GtkCTreeNode *node;
 652         GtkCTreeNode *old_selected = folderview->selected;
 653
 654         if (!item) return;
 655
 656         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 657         if (node) folderview_select_node(folderview, node);
 658
 659         if (old_selected != node)
 660                 folder_update_op_count();
 661 }
 662
 663 static void mark_all_read_cb(FolderView *folderview, guint action,
 664                              GtkWidget *widget)
 665 {
 666         if (folderview->selected)
 667                 summary_mark_all_read(folderview->summaryview);
 668 }
 669
 670 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 671 {
 672         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 673
 674         g_return_if_fail(node != NULL);
 675
 676         folderview->open_folder = TRUE;
 677         gtkut_ctree_set_focus_row(ctree, node);
 678         gtk_ctree_select(ctree, node);
 679         if (folderview->summaryview->messages > 0)
 680                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 681         else
 682                 gtk_widget_grab_focus(folderview->ctree);
 683
 684         gtkut_ctree_expand_parent_all(ctree, node);
 685 }
 686
 687 void folderview_unselect(FolderView *folderview)
 688 {
 689         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 690                 gtk_ctree_collapse
 691                         (GTK_CTREE(folderview->ctree), folderview->opened);
 692
 693         folderview->selected = folderview->opened = NULL;
 694 }
 695
 696 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 697                                                  GtkCTreeNode *node)
 698 {
 699         FolderItem *item;
 700
 701         if (node)
 702                 node = gtkut_ctree_node_next(ctree, node);
 703         else
 704                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 705
 706         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 707                 item = gtk_ctree_node_get_row_data(ctree, node);
 708                 if (item && item->unread > 0 && item->stype != F_TRASH)
 709                         return node;
 710         }
 711
 712         return NULL;
 713 }
 714
 715 void folderview_select_next_unread(FolderView *folderview)
 716 {
 717         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 718         GtkCTreeNode *node = NULL;
 719
 720         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 721             != NULL) {
 722                 folderview_select_node(folderview, node);
 723                 return;
 724         }
 725
 726         if (!folderview->opened ||
 727             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 728                 return;
 729         /* search again from the first node */
 730         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 731                 folderview_select_node(folderview, node);
 732 }
 733
 734 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 735 {
 736         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 737         static GtkCTreeNode *prev_row = NULL;
 738         FolderItem *item;
 739         gint new, unread, total;
 740         gchar *new_str, *unread_str, *total_str;
 741
 742         if (!row) return;
 743
 744         item = gtk_ctree_node_get_row_data(ctree, row);
 745         if (!item) return;
 746
 747         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 748         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 749         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 750         new = atoi(new_str);
 751         unread = atoi(unread_str);
 752         total = atoi(total_str);
 753
 754         /* CLAWS: don't know why but this always seems to be true
 755          * when deleting messages. Somewhere claws does a folder
 756          * scan which sets all new, unread & total to the correct
 757          * values. It then enters this function, but leaves it
 758          * because new, unread and total are the same... */
 759 #ifndef CLAWS
 760         if (prev_row     == row    &&
 761             item->new    == new    &&
 762             item->unread == unread &&
 763             item->total  == total)
 764                 return;
 765 #endif
 766
 767         prev_row = row;
 768
 769         folderview_update_node(folderview, row);
 770 }
 771
 772 static void folderview_set_folders(FolderView *folderview)
 773 {
 774         GList *list;
 775
 776         list = folder_get_list();
 777
 778         for (; list != NULL; list = list->next)
 779                 folderview_append_folder(folderview, FOLDER(list->data));
 780 }
 781
 782 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 783                                       gpointer data)
 784 {
 785         GList *list;
 786         gchar *rootpath;
 787
 788         if (FOLDER_IS_LOCAL(folder))
 789                 rootpath = LOCAL_FOLDER(folder)->rootpath;
 790         else if (FOLDER_TYPE(folder) == F_IMAP && folder->account &&
 791                  folder->account->recv_server)
 792                 rootpath = folder->account->recv_server;
 793         else if (FOLDER_TYPE(folder) == F_NEWS && folder->account &&
 794                  folder->account->nntp_server)
 795                 rootpath = folder->account->nntp_server;
 796         else
 797                 return;
 798
 799         for (list = folderview_list; list != NULL; list = list->next) {
 800                 FolderView *folderview = (FolderView *)list->data;
 801                 MainWindow *mainwin = folderview->mainwin;
 802                 gchar *str;
 803
 804                 if (item->path)
 805                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 806                                               rootpath, G_DIR_SEPARATOR,
 807                                               item->path);
 808                 else
 809                         str = g_strdup_printf(_("Scanning folder %s ..."),
 810                                               rootpath);
 811
 812                 STATUSBAR_PUSH(mainwin, str);
 813                 STATUSBAR_POP(mainwin);
 814                 g_free(str);
 815         }
 816 }
 817
 818 static GtkWidget *label_window_create(const gchar *str)
 819 {
 820         GtkWidget *window;
 821         GtkWidget *label;
 822
 823         window = gtk_window_new(GTK_WINDOW_DIALOG);
 824         gtk_widget_set_usize(window, 380, 60);
 825         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 826         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 827         gtk_window_set_title(GTK_WINDOW(window), str);
 828         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 829         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 830         manage_window_set_transient(GTK_WINDOW(window));
 831
 832         label = gtk_label_new(str);
 833         gtk_container_add(GTK_CONTAINER(window), label);
 834         gtk_widget_show(label);
 835
 836         gtk_widget_show_now(window);
 837
 838         return window;
 839 }
 840
 841 void folderview_rescan_tree(Folder *folder)
 842 {
 843         GtkWidget *window;
 844
 845         g_return_if_fail(folder != NULL);
 846
 847         if (!folder->class->scan_tree) return;
 848
 849         inc_lock();
 850         window = label_window_create(_("Rebuilding folder tree..."));
 851
 852         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 853         folder_scan_tree(folder);
 854         folder_set_ui_func(folder, NULL, NULL);
 855
 856         folderview_set_all();
 857
 858         folderview_check_new(folder);
 859
 860         gtk_widget_destroy(window);
 861         inc_unlock();
 862 }
 863
 864 #if 0
 865 void folderview_rescan_all(void)
 866 {
 867         GList *list;
 868         GtkWidget *window;
 869
 870         inc_lock();
 871         window = label_window_create(_("Rescanning all folder trees..."));
 872
 873         list = folder_get_list();
 874         for (; list != NULL; list = list->next) {
 875                 Folder *folder = list->data;
 876
 877                 if (!folder->scan_tree) continue;
 878                 folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 879                 folder_scan_tree(folder);
 880                 folder_set_ui_func(folder, NULL, NULL);
 881         }
 882
 883         folder_write_list();
 884         folderview_set_all();
 885
 886         list = folder_get_list();
 887         for (; list != NULL; list = list->next) {
 888                 Folder *folder = list->data;
 889
 890                 folderview_check_new(folder);
 891         }
 892
 893         gtk_widget_destroy(window);
 894         inc_unlock();
 895 }
 896 #endif
 897
 898 /** folderview_check_new()
 899  *  Scan and update the folder and return the
 900  *  count the number of new messages since last check.
 901  *  \param folder the folder to check for new messages
 902  *  \return the number of new messages since last check
 903  */
 904 gint folderview_check_new(Folder *folder)
 905 {
 906         GList *list;
 907         FolderItem *item;
 908         FolderView *folderview;
 909         GtkCTree *ctree;
 910         GtkCTreeNode *node;
 911         gint new_msgs = 0;
 912         gint former_new_msgs = 0;
 913         gint former_new = 0;
 914
 915         for (list = folderview_list; list != NULL; list = list->next) {
 916                 folderview = (FolderView *)list->data;
 917                 ctree = GTK_CTREE(folderview->ctree);
 918
 919                 inc_lock();
 920                 main_window_lock(folderview->mainwin);
 921                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 922
 923                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 924                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 925                         item = gtk_ctree_node_get_row_data(ctree, node);
 926                         if (!item || !item->path || !item->folder) continue;
 927                         if (item->no_select) continue;
 928                         if (folder && folder != item->folder) continue;
 929                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 930
 931                         folderview_scan_tree_func(item->folder, item, NULL);
 932                         former_new = item->new;
 933                         if (folder_item_scan(item) < 0) {
 934                                 if (folder && !FOLDER_IS_LOCAL(folder))
 935                                         break;
 936                         }
 937                         folderview_update_node(folderview, node);
 938                         new_msgs += item->new;
 939                         former_new_msgs += former_new;
 940                 }
 941
 942                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 943                 main_window_unlock(folderview->mainwin);
 944                 inc_unlock();
 945         }
 946
 947         folder_write_list();
 948         /* Number of new messages since last check is the just the difference
 949          * between former_new_msgs and new_msgs. If new_msgs is less than
 950          * former_new_msgs, that would mean another session accessed the folder
 951          * and the result is not well defined.
 952          */
 953         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 954         return new_msgs;
 955 }
 956
 957 void folderview_check_new_all(void)
 958 {
 959         GList *list;
 960         GtkWidget *window;
 961         FolderView *folderview;
 962
 963         folderview = (FolderView *)folderview_list->data;
 964
 965         inc_lock();
 966         main_window_lock(folderview->mainwin);
 967         window = label_window_create
 968                 (_("Checking for new messages in all folders..."));
 969
 970         list = folder_get_list();
 971         for (; list != NULL; list = list->next) {
 972                 Folder *folder = list->data;
 973
 974                 folderview_check_new(folder);
 975         }
 976
 977         folder_write_list();
 978         folderview_set_all();
 979
 980         gtk_widget_destroy(window);
 981         main_window_unlock(folderview->mainwin);
 982         inc_unlock();
 983 }
 984
 985 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 986                                                 GtkCTreeNode *node)
 987 {
 988         FolderItem *item;
 989
 990         if (node) {
 991                 item = gtk_ctree_node_get_row_data(ctree, node);
 992                 if (item) {
 993                         if (item->new > 0 ||
 994                             (item->stype == F_QUEUE && item->total > 0))
 995                                 return TRUE;
 996                 }
 997                 node = GTK_CTREE_ROW(node)->children;
 998         } else
 999                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1000
1001         while (node) {
1002                 if (folderview_search_new_recursive(ctree, node) == TRUE)
1003                         return TRUE;
1004                 node = GTK_CTREE_ROW(node)->sibling;
1005         }
1006
1007         return FALSE;
1008 }
1009
1010 static gboolean folderview_have_new_children(FolderView *folderview,
1011                                              GtkCTreeNode *node)
1012 {
1013         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1014
1015         if (!node)
1016                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1017         if (!node)
1018                 return FALSE;
1019
1020         node = GTK_CTREE_ROW(node)->children;
1021
1022         while (node) {
1023                 if (folderview_search_new_recursive(ctree, node) == TRUE)
1024                         return TRUE;
1025                 node = GTK_CTREE_ROW(node)->sibling;
1026         }
1027
1028         return FALSE;
1029 }
1030
1031 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
1032                                                    GtkCTreeNode *node)
1033 {
1034         FolderItem *item;
1035
1036         if (node) {
1037                 item = gtk_ctree_node_get_row_data(ctree, node);
1038                 if (item) {
1039                         if (item->unread > 0 ||
1040                             (item->stype == F_QUEUE && item->total > 0))
1041                                 return TRUE;
1042                 }
1043                 node = GTK_CTREE_ROW(node)->children;
1044         } else
1045                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1046
1047         while (node) {
1048                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1049                         return TRUE;
1050                 node = GTK_CTREE_ROW(node)->sibling;
1051         }
1052
1053         return FALSE;
1054 }
1055
1056 static gboolean folderview_have_unread_children(FolderView *folderview,
1057                                                 GtkCTreeNode *node)
1058 {
1059         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1060
1061         if (!node)
1062                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1063         if (!node)
1064                 return FALSE;
1065
1066         node = GTK_CTREE_ROW(node)->children;
1067
1068         while (node) {
1069                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
1070                         return TRUE;
1071                 node = GTK_CTREE_ROW(node)->sibling;
1072         }
1073
1074         return FALSE;
1075 }
1076
1077 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1078 {
1079         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1080         GtkStyle *style = NULL;
1081         GtkStyle *color_style = NULL;
1082         FolderItem *item;
1083         GdkPixmap *xpm, *openxpm;
1084         GdkBitmap *mask, *openmask;
1085         gchar *name;
1086         gchar *str;
1087         gboolean add_unread_mark;
1088         gboolean use_bold, use_color;
1089
1090         item = gtk_ctree_node_get_row_data(ctree, node);
1091         g_return_if_fail(item != NULL);
1092
1093         switch (item->stype) {
1094         case F_INBOX:
1095                 if (item->hide_read_msgs) {
1096                         xpm = inboxhrmxpm;
1097                         mask = inboxhrmxpmmask;
1098                         openxpm = inboxopenhrmxpm;
1099                         openmask = inboxopenhrmxpmmask;
1100                 } else {
1101                         xpm = inboxxpm;
1102                         mask = inboxxpmmask;
1103                         openxpm = inboxopenxpm;
1104                         openmask = inboxopenxpmmask;
1105                 }
1106                 break;
1107         case F_OUTBOX:
1108                 if (item->hide_read_msgs) {
1109                         xpm = outboxhrmxpm;
1110                         mask = outboxhrmxpmmask;
1111                         openxpm = outboxopenhrmxpm;
1112                         openmask = outboxopenhrmxpmmask;
1113                 } else {
1114                         xpm = outboxxpm;
1115                         mask = outboxxpmmask;
1116                         openxpm = outboxopenxpm;
1117                         openmask = outboxopenxpmmask;
1118                 }
1119                 break;
1120         case F_QUEUE:
1121                 if (item->hide_read_msgs) {
1122                         xpm = queuehrmxpm;
1123                         mask = queuehrmxpmmask;
1124                         openxpm = queueopenhrmxpm;
1125                         openmask = queueopenhrmxpmmask;
1126                 } else {
1127                         xpm = queuexpm;
1128                         mask = queuexpmmask;
1129                         openxpm = queueopenxpm;
1130                         openmask = queueopenxpmmask;
1131                 }
1132                 break;
1133         case F_TRASH:
1134                 if (item->hide_read_msgs) {
1135                         xpm = trashhrmxpm;
1136                         mask = trashhrmxpmmask;
1137                         openxpm = trashopenhrmxpm;
1138                         openmask = trashopenhrmxpmmask;
1139                 } else {
1140                         xpm = trashxpm;
1141                         mask = trashxpmmask;
1142                         openxpm = trashopenxpm;
1143                         openmask = trashopenxpmmask;
1144                 }
1145                 break;
1146         case F_DRAFT:
1147                 xpm = draftsxpm;
1148                 mask = draftsxpmmask;
1149                 openxpm = draftsopenxpm;
1150                 openmask = draftsopenxpmmask;
1151                 break;
1152         default:
1153                 if (item->hide_read_msgs) {
1154                         xpm = folderhrmxpm;
1155                         mask = folderhrmxpmmask;
1156                         openxpm = folderopenhrmxpm;
1157                         openmask = folderopenhrmxpmmask;
1158                 } else {
1159                         xpm = folderxpm;
1160                         mask = folderxpmmask;
1161                         openxpm = folderopenxpm;
1162                         openmask = folderopenxpmmask;
1163                 }
1164         }
1165         name = folder_item_get_name(item);
1166
1167         if (!GTK_CTREE_ROW(node)->expanded &&
1168             folderview_have_unread_children(folderview, node))
1169                 add_unread_mark = TRUE;
1170         else
1171                 add_unread_mark = FALSE;
1172
1173         if (item->stype == F_QUEUE && item->total > 0 &&
1174             prefs_common.display_folder_unread) {
1175                 str = g_strdup_printf("%s (%d%s)", name, item->total,
1176                                       add_unread_mark ? "+" : "");
1177                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1178                                         xpm, mask, openxpm, openmask,
1179                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1180                 g_free(str);
1181         } else if ((item->unread > 0 || add_unread_mark) &&
1182                  prefs_common.display_folder_unread) {
1183
1184                 if (item->unread > 0)
1185                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread,
1186                                               add_unread_mark ? "+" : "",
1187                                               item->unreadmarked > 0 ? "!":"");
1188                 else
1189                         str = g_strdup_printf("%s (+)", name);
1190                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1191                                         xpm, mask, openxpm, openmask,
1192                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1193                 g_free(str);
1194         } else {
1195                 str = g_strdup_printf("%s%s", name,
1196                                       item->unreadmarked > 0 ? " (!)":"");
1197
1198                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1199                                         xpm, mask, openxpm, openmask,
1200                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1201                 g_free(str);
1202         }
1203         g_free(name);
1204
1205         if (!item->parent) {
1206                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1207                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1208                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1209         } else {
1210                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new));
1211                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread));
1212                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total));
1213         }
1214
1215         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1216             item->stype == F_TRASH) {
1217                 use_bold = use_color = FALSE;
1218         } else if (item->stype == F_QUEUE) {
1219                 /* highlight queue folder if there are any messages */
1220                 use_bold = use_color = (item->total > 0);
1221         } else {
1222                 /* if unread messages exist, print with bold font */
1223                 use_bold = (item->unread > 0) || add_unread_mark;
1224                 /* if new messages exist, print with colored letter */
1225                 use_color =
1226                         (item->new > 0) ||
1227                         (add_unread_mark &&
1228                          folderview_have_new_children(folderview, node));
1229         }
1230
1231         gtk_ctree_node_set_foreground(ctree, node, NULL);
1232
1233         if (use_bold && use_color) {
1234                 style = bold_color_style;
1235         } else if (use_bold) {
1236                 style = bold_style;
1237                 if (item->op_count > 0) {
1238                         style = bold_tgtfold_style;
1239                 }
1240         } else if (use_color) {
1241                 style = normal_color_style;
1242                 gtk_ctree_node_set_foreground(ctree, node,
1243                                               &folderview->color_new);
1244         } else if (item->op_count > 0) {
1245                 style = bold_tgtfold_style;
1246         } else if (item->prefs->color > 0) {
1247                 GdkColor gdk_color;
1248
1249                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1250                 color_style = gtk_style_copy(normal_style);
1251                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1252                 style = color_style;
1253         } else {
1254                 style = normal_style;
1255         }
1256
1257         gtk_ctree_node_set_row_style(ctree, node, style);
1258
1259         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1260                 folderview_update_node(folderview, node);
1261 }
1262
1263 gboolean folderview_update_item(gpointer source, gpointer data)
1264 {
1265         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1266         FolderView *folderview = (FolderView *)data;
1267         GtkCTree *ctree;
1268         GtkCTreeNode *node;
1269
1270         g_return_val_if_fail(update_info != NULL, TRUE);
1271         g_return_val_if_fail(update_info->item != NULL, TRUE);
1272         g_return_val_if_fail(folderview != NULL, FALSE);
1273
1274         ctree = GTK_CTREE(folderview->ctree);
1275
1276         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1277         if (node) {
1278                 if (update_info->update_flags & F_ITEM_UPDATE_MSGCNT)
1279                         folderview_update_node(folderview, node);
1280                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1281                         summary_show(folderview->summaryview, update_info->item);
1282         }
1283
1284         return FALSE;
1285 }
1286
1287 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1288                                       GNode *gnode, GtkCTreeNode *cnode,
1289                                       gpointer data)
1290 {
1291         FolderView *folderview = (FolderView *)data;
1292         FolderItem *item = FOLDER_ITEM(gnode->data);
1293
1294         g_return_val_if_fail(item != NULL, FALSE);
1295
1296         gtk_ctree_node_set_row_data(ctree, cnode, item);
1297         folderview_update_node(folderview, cnode);
1298
1299         return TRUE;
1300 }
1301
1302 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1303                                    gpointer data)
1304 {
1305         FolderView *folderview = (FolderView *)data;
1306         FolderItem *item;
1307
1308         if (GTK_CTREE_ROW(node)->children) {
1309                 item = gtk_ctree_node_get_row_data(ctree, node);
1310                 g_return_if_fail(item != NULL);
1311
1312                 if (!item->collapsed)
1313                         gtk_ctree_expand(ctree, node);
1314                 else
1315                         folderview_update_node(folderview, node);
1316         }
1317 }
1318
1319 #define SET_SPECIAL_FOLDER(ctree, item) \
1320 { \
1321         if (item) { \
1322                 GtkCTreeNode *node, *parent, *sibling; \
1323  \
1324                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
1325                 if (!node) \
1326                         g_warning("%s not found.\n", item->path); \
1327                 else { \
1328                         parent = GTK_CTREE_ROW(node)->parent; \
1329                         if (prev && parent == GTK_CTREE_ROW(prev)->parent) \
1330                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
1331                         else \
1332                                 sibling = GTK_CTREE_ROW(parent)->children; \
1333                         if (node != sibling) \
1334                                 gtk_ctree_move(ctree, node, parent, sibling); \
1335                 } \
1336  \
1337                 prev = node; \
1338         } \
1339 }
1340
1341 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1342                                     Folder *folder)
1343 {
1344         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1345         GtkCTreeNode *prev = NULL;
1346
1347         gtk_sctree_sort_recursive(ctree, root);
1348
1349         if (GTK_CTREE_ROW(root)->parent) return;
1350
1351         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1352         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1353         SET_SPECIAL_FOLDER(ctree, folder->draft);
1354         SET_SPECIAL_FOLDER(ctree, folder->queue);
1355         SET_SPECIAL_FOLDER(ctree, folder->trash);
1356 }
1357
1358 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1359 {
1360         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1361         GtkCTreeNode *root;
1362
1363         g_return_if_fail(folder != NULL);
1364
1365         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1366                                       folderview_gnode_func, folderview);
1367         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1368                                 folderview);
1369         folderview_sort_folders(folderview, root, folder);
1370 }
1371
1372 void folderview_new_folder(FolderView *folderview)
1373 {
1374         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1375         FolderItem *item;
1376
1377         if (!folderview->selected) return;
1378
1379         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1380         g_return_if_fail(item != NULL);
1381         g_return_if_fail(item->folder != NULL);
1382
1383         switch (FOLDER_TYPE(item->folder)) {
1384         case F_MBOX:
1385                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1386                 break;
1387         case F_MH:
1388         case F_MAILDIR:
1389                 folderview_new_folder_cb(folderview, 0, NULL);
1390                 break;
1391         case F_IMAP:
1392                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1393                 break;
1394         case F_NEWS:
1395         default:
1396                 break;
1397         }
1398 }
1399
1400 void folderview_rename_folder(FolderView *folderview)
1401 {
1402         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1403         FolderItem *item;
1404
1405         if (!folderview->selected) return;
1406
1407         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1408         g_return_if_fail(item != NULL);
1409         g_return_if_fail(item->folder != NULL);
1410         if (!item->path) return;
1411         if (item->stype != F_NORMAL) return;
1412
1413         switch (FOLDER_TYPE(item->folder)) {
1414         case F_MBOX:
1415                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1416         case F_MH:
1417         case F_MAILDIR:
1418         case F_IMAP:
1419                 folderview_rename_folder_cb(folderview, 0, NULL);
1420                 break;
1421         case F_NEWS:
1422         default:
1423                 break;
1424         }
1425 }
1426
1427 void folderview_delete_folder(FolderView *folderview)
1428 {
1429         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1430         FolderItem *item;
1431
1432         if (!folderview->selected) return;
1433
1434         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1435         g_return_if_fail(item != NULL);
1436         g_return_if_fail(item->folder != NULL);
1437         if (!item->path) return;
1438         if (item->stype != F_NORMAL) return;
1439
1440         switch (FOLDER_TYPE(item->folder)) {
1441         case F_MH:
1442         case F_MBOX:
1443         case F_MAILDIR:
1444         case F_IMAP:
1445                 folderview_delete_folder_cb(folderview, 0, NULL);
1446                 break;
1447         case F_NEWS:
1448         default:
1449                 break;
1450         }
1451 }
1452
1453
1454 /* callback functions */
1455
1456 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1457                                       FolderView *folderview)
1458 {
1459         GtkCList *clist = GTK_CLIST(ctree);
1460         gint prev_row = -1, row = -1, column = -1;
1461         FolderItem *item;
1462         Folder *folder;
1463         GtkWidget *popup;
1464         gboolean mark_all_read   = FALSE;
1465         gboolean new_folder      = FALSE;
1466         gboolean rename_folder   = FALSE;
1467         gboolean move_folder     = FALSE;
1468         gboolean delete_folder   = FALSE;
1469         gboolean update_tree     = FALSE;
1470         gboolean rescan_tree     = FALSE;
1471         gboolean remove_tree     = FALSE;
1472         gboolean search_folder   = FALSE;
1473         gboolean folder_property = FALSE;
1474         gboolean folder_processing  = FALSE;
1475         gboolean folder_scoring  = FALSE;
1476
1477         if (!event) return;
1478
1479         if (event->button == 1) {
1480                 folderview->open_folder = TRUE;
1481                 return;
1482         }
1483
1484         if (event->button == 2 || event->button == 3) {
1485                 /* right clicked */
1486                 if (clist->selection) {
1487                         GtkCTreeNode *node;
1488
1489                         node = GTK_CTREE_NODE(clist->selection->data);
1490                         if (node)
1491                                 prev_row = gtkut_ctree_get_nth_from_node
1492                                         (GTK_CTREE(ctree), node);
1493                 }
1494
1495                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1496                                                   &row, &column))
1497                         return;
1498                 if (prev_row != row) {
1499                         gtk_clist_unselect_all(clist);
1500                         if (event->button == 2)
1501                                 folderview_select_node
1502                                         (folderview,
1503                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1504                                                             row));
1505                         else
1506                                 gtk_clist_select_row(clist, row, column);
1507                 }
1508         }
1509
1510         if (event->button != 3) return;
1511
1512         item = gtk_clist_get_row_data(clist, row);
1513         g_return_if_fail(item != NULL);
1514         g_return_if_fail(item->folder != NULL);
1515         folder = item->folder;
1516
1517         if (folderview->mainwin->lock_count == 0) {
1518                 new_folder = TRUE;
1519                 if (item->parent == NULL) {
1520                         update_tree = remove_tree = TRUE;
1521                         if (folder->account)
1522                                 folder_property = TRUE;
1523                 } else
1524                         mark_all_read = search_folder = folder_property = TRUE;
1525
1526                 if (FOLDER_IS_LOCAL(folder) || FOLDER_TYPE(folder) == F_IMAP || FOLDER_TYPE(folder) == F_MBOX) {
1527                         if (item->parent == NULL)
1528                                 update_tree = rescan_tree = TRUE;
1529                         else if (item->stype == F_NORMAL)
1530                                 move_folder = rename_folder = delete_folder = folder_scoring = folder_processing = TRUE;
1531                         else if (item->stype == F_INBOX)
1532                                 folder_scoring = folder_processing = TRUE;
1533                         else if (item->stype == F_TRASH)
1534                                 folder_processing = TRUE;
1535                         else if (item->stype == F_OUTBOX)
1536                                 folder_processing = TRUE;
1537                 } else if (FOLDER_TYPE(folder) == F_NEWS) {
1538                         if (item->parent != NULL)
1539                                 delete_folder = folder_scoring = folder_processing = TRUE;
1540                 }
1541                 if (item->unread < 1)
1542                         mark_all_read = FALSE;
1543         }
1544
1545 #define SET_SENS(factory, name, sens) \
1546         menu_set_sensitive(folderview->factory, name, sens)
1547
1548         mark_all_read = mark_all_read &&
1549                         (item == folderview->summaryview->folder_item);
1550
1551         if (FOLDER_IS_LOCAL(folder)) {
1552                 popup = folderview->mail_popup;
1553                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1554                 SET_SENS(mail_factory, "/Mark all read", mark_all_read);
1555                 SET_SENS(mail_factory, "/Create new folder...", new_folder);
1556                 SET_SENS(mail_factory, "/Rename folder...", rename_folder);
1557                 SET_SENS(mail_factory, "/Move folder...", move_folder);
1558                 SET_SENS(mail_factory, "/Delete folder", delete_folder);
1559                 SET_SENS(mail_factory, "/Check for new messages", update_tree);
1560                 SET_SENS(mail_factory, "/Rebuild folder tree", rescan_tree);
1561                 SET_SENS(mail_factory, "/Remove mailbox", remove_tree);
1562                 SET_SENS(mail_factory, "/Search folder...", search_folder);
1563                 SET_SENS(mail_factory, "/Properties...", folder_property);
1564                 SET_SENS(mail_factory, "/Processing...", folder_processing);
1565                 SET_SENS(mail_factory, "/Scoring...", folder_scoring);
1566         } else if (FOLDER_TYPE(folder) == F_IMAP) {
1567                 popup = folderview->imap_popup;
1568                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1569                 SET_SENS(imap_factory, "/Mark all read", mark_all_read);
1570                 SET_SENS(imap_factory, "/Create new folder...", new_folder);
1571                 SET_SENS(imap_factory, "/Rename folder...", rename_folder);
1572                 SET_SENS(imap_factory, "/Move folder...", move_folder);
1573                 SET_SENS(imap_factory, "/Delete folder", delete_folder);
1574                 SET_SENS(imap_factory, "/Check for new messages", update_tree);
1575                 SET_SENS(imap_factory, "/Rebuild folder tree", rescan_tree);
1576                 SET_SENS(imap_factory, "/Remove IMAP4 account", remove_tree);
1577                 SET_SENS(imap_factory, "/Search folder...", search_folder);
1578                 SET_SENS(imap_factory, "/Properties...", folder_property);
1579                 SET_SENS(imap_factory, "/Processing...", folder_processing);
1580                 SET_SENS(imap_factory, "/Scoring...", folder_scoring);
1581         } else if (FOLDER_TYPE(folder) == F_NEWS) {
1582                 popup = folderview->news_popup;
1583                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1584                 SET_SENS(news_factory, "/Mark all read", mark_all_read);
1585                 SET_SENS(news_factory, "/Subscribe to newsgroup...", new_folder);
1586                 SET_SENS(news_factory, "/Remove newsgroup", delete_folder);
1587                 SET_SENS(news_factory, "/Check for new messages", update_tree);
1588                 SET_SENS(news_factory, "/Remove news account", remove_tree);
1589                 SET_SENS(news_factory, "/Search folder...", search_folder);
1590                 SET_SENS(news_factory, "/Properties...", folder_property);
1591                 SET_SENS(news_factory, "/Processing...", folder_processing);
1592                 SET_SENS(news_factory, "/Scoring...", folder_scoring);
1593         } else if (FOLDER_TYPE(folder) == F_MBOX) {
1594                 popup = folderview->mbox_popup;
1595                 menu_set_insensitive_all(GTK_MENU_SHELL(popup));
1596                 SET_SENS(mbox_factory, "/Create new folder...", new_folder);
1597                 SET_SENS(mbox_factory, "/Rename folder...", rename_folder);
1598                 SET_SENS(mbox_factory, "/Move folder...", move_folder);
1599                 SET_SENS(mbox_factory, "/Delete folder", delete_folder);
1600                 SET_SENS(news_factory, "/Properties...", folder_property);
1601                 SET_SENS(mbox_factory, "/Processing...", folder_processing);
1602                 SET_SENS(mbox_factory, "/Scoring...", folder_scoring);
1603         } else
1604                 return;
1605
1606 #undef SET_SENS
1607
1608         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1609                        event->button, event->time);
1610 }
1611
1612 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1613                                        FolderView *folderview)
1614 {
1615         if (!event) return;
1616
1617         if (event->button == 1 && folderview->open_folder == FALSE &&
1618             folderview->opened != NULL) {
1619                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1620                                           folderview->opened);
1621                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1622         }
1623 }
1624
1625 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1626                                    FolderView *folderview)
1627 {
1628         if (!event) return;
1629
1630         switch (event->keyval) {
1631         case GDK_Return:
1632                 if (folderview->selected) {
1633                         folderview_select_node(folderview,
1634                                                folderview->selected);
1635                 }
1636                 break;
1637         case GDK_space:
1638                 if (folderview->selected) {
1639                         if (folderview->opened == folderview->selected &&
1640                             folderview->summaryview->messages == 0)
1641                                 folderview_select_next_unread(folderview);
1642                         else
1643                                 folderview_select_node(folderview,
1644                                                        folderview->selected);
1645                 }
1646                 break;
1647         default:
1648                 break;
1649         }
1650 }
1651
1652 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1653                                 gint column, FolderView *folderview)
1654 {
1655         static gboolean can_select = TRUE;      /* exclusive lock */
1656         gboolean opened;
1657         FolderItem *item;
1658         gchar *buf;
1659
1660         folderview->selected = row;
1661
1662         if (folderview->opened == row) {
1663                 folderview->open_folder = FALSE;
1664                 return;
1665         }
1666
1667         if (!can_select || summary_is_locked(folderview->summaryview)) {
1668                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1669                 gtk_ctree_select(ctree, folderview->opened);
1670                 return;
1671         }
1672
1673         if (!folderview->open_folder) return;
1674
1675         item = gtk_ctree_node_get_row_data(ctree, row);
1676         if (!item) return;
1677
1678         can_select = FALSE;
1679
1680         /* Save cache for old folder */
1681         /* We don't want to lose all caches if sylpheed crashed */
1682         if (folderview->opened) {
1683                 FolderItem *olditem;
1684
1685                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1686                 if (olditem) {
1687                         /* will be null if we just moved the previously opened folder */
1688                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1689                         folder_item_close(olditem);
1690                 }
1691         }
1692
1693         /* CLAWS: set compose button type: news folder items
1694          * always have a news folder as parent */
1695         if (item->folder)
1696                 toolbar_set_compose_button
1697                         (folderview->mainwin->toolbar,
1698                          FOLDER_TYPE(item->folder) == F_NEWS ?
1699                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1700
1701         if (item->path)
1702                 debug_print("Folder %s is selected\n", item->path);
1703
1704         if (!GTK_CTREE_ROW(row)->children)
1705                 gtk_ctree_expand(ctree, row);
1706         if (folderview->opened &&
1707             !GTK_CTREE_ROW(folderview->opened)->children)
1708                 gtk_ctree_collapse(ctree, folderview->opened);
1709
1710         /* ungrab the mouse event */
1711         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1712                 gtk_grab_remove(GTK_WIDGET(ctree));
1713                 if (gdk_pointer_is_grabbed())
1714                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1715         }
1716
1717         /* Open Folder */
1718         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1719                                         item->path : "(null)");
1720         debug_print("%s\n", buf);
1721         STATUSBAR_PUSH(folderview->mainwin, buf);
1722         g_free(buf);
1723
1724         main_window_cursor_wait(folderview->mainwin);
1725
1726         if (folder_item_open(item) != 0) {
1727                 main_window_cursor_normal(folderview->mainwin);
1728                 STATUSBAR_POP(folderview->mainwin);
1729
1730                 alertpanel_error(_("Folder could not be opened."));
1731
1732                 return;
1733         }
1734
1735         main_window_cursor_normal(folderview->mainwin);
1736
1737         /* Show messages */
1738         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1739         opened = summary_show(folderview->summaryview, item);
1740
1741         folder_clean_cache_memory();
1742
1743         if (!opened) {
1744                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1745                 gtk_ctree_select(ctree, folderview->opened);
1746         } else {
1747                 folderview->opened = row;
1748                 if (gtk_ctree_node_is_visible(ctree, row)
1749                     != GTK_VISIBILITY_FULL)
1750                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1751         }
1752
1753         STATUSBAR_POP(folderview->mainwin);
1754
1755         folderview->open_folder = FALSE;
1756         can_select = TRUE;
1757 }
1758
1759 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1760                                      FolderView *folderview)
1761 {
1762         FolderItem *item;
1763
1764         item = gtk_ctree_node_get_row_data(ctree, node);
1765         g_return_if_fail(item != NULL);
1766         item->collapsed = FALSE;
1767         folderview_update_node(folderview, node);
1768 }
1769
1770 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1771                                       FolderView *folderview)
1772 {
1773         FolderItem *item;
1774
1775         item = gtk_ctree_node_get_row_data(ctree, node);
1776         g_return_if_fail(item != NULL);
1777         item->collapsed= TRUE;
1778         folderview_update_node(folderview, node);
1779 }
1780
1781 static void folderview_popup_close(GtkMenuShell *menu_shell,
1782                                    FolderView *folderview)
1783 {
1784         if (!folderview->opened) return;
1785
1786         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1787                                   folderview->opened);
1788         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1789 }
1790
1791 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1792                                    FolderView *folderview)
1793 {
1794         switch (column) {
1795         case COL_FOLDER:
1796                 prefs_common.folder_col_folder = width;
1797                 break;
1798         case COL_NEW:
1799                 prefs_common.folder_col_new = width;
1800                 break;
1801         case COL_UNREAD:
1802                 prefs_common.folder_col_unread = width;
1803                 break;
1804         case COL_TOTAL:
1805                 prefs_common.folder_col_total = width;
1806                 break;
1807         default:
1808                 break;
1809         }
1810 }
1811
1812 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1813                                              GtkCTreeNode *node,
1814                                              const gchar *name)
1815 {
1816         FolderItem *item;
1817
1818         if (!node)
1819                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1820         if (!node)
1821                 return NULL;
1822
1823         node = GTK_CTREE_ROW(node)->children;
1824
1825         while (node) {
1826                 item = gtk_ctree_node_get_row_data(ctree, node);
1827                 if (!folderview_compare_name(item, name))
1828                         return node;
1829                 node = GTK_CTREE_ROW(node)->sibling;
1830         }
1831
1832         return NULL;
1833 }
1834
1835 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1836                                       GtkWidget *widget)
1837 {
1838         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1839         FolderItem *item;
1840
1841         if (!folderview->selected) return;
1842
1843         summary_show(folderview->summaryview, NULL);
1844
1845         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1846         g_return_if_fail(item != NULL);
1847         g_return_if_fail(item->folder != NULL);
1848
1849         if (action == 0)
1850                 folderview_check_new(item->folder);
1851         else
1852                 folderview_rescan_tree(item->folder);
1853 }
1854
1855 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1856 {
1857         GNode *srcnode;
1858
1859         folderview_create_folder_node(folderview, item);
1860
1861         srcnode = item->folder->node;
1862         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1863         srcnode = srcnode->children;
1864         while (srcnode != NULL) {
1865                 if (srcnode && srcnode->data) {
1866                         FolderItem *next_item = (FolderItem*) srcnode->data;
1867                         folderview_create_folder_node_recursive(folderview, next_item);
1868                 }
1869                 srcnode = srcnode->next;
1870         }
1871 }
1872
1873 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1874 {
1875         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1876         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1877         GtkCTreeNode *node, *parent_node;
1878
1879         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, item->parent);
1880
1881         gtk_clist_freeze(GTK_CLIST(ctree));
1882
1883         text[COL_FOLDER] = item->name;
1884         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1885                                      FOLDER_SPACING,
1886                                      folderxpm, folderxpmmask,
1887                                      folderopenxpm, folderopenxpmmask,
1888                                      FALSE, FALSE);
1889         gtk_ctree_expand(ctree, parent_node);
1890         gtk_ctree_node_set_row_data(ctree, node, item);
1891         if (normal_style)
1892                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1893         folderview_sort_folders(folderview, folderview->selected, item->folder);
1894
1895         gtk_clist_thaw(GTK_CLIST(ctree));
1896 }
1897
1898 static void folderview_new_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         gchar *name, *name_;
1906
1907         if (!folderview->selected) return;
1908
1909         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1910         g_return_if_fail(item != NULL);
1911         g_return_if_fail(item->folder != NULL);
1912
1913         new_folder = input_dialog(_("New folder"),
1914                                   _("Input the name of new folder:"),
1915                                   _("NewFolder"));
1916         if (!new_folder) return;
1917
1918         if (FOLDER_TYPE(item->folder) != F_MBOX) {
1919                 if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1920                         alertpanel_error(_("`%c' can't be included in folder name."),
1921                                          G_DIR_SEPARATOR);
1922                         g_free(new_folder);
1923                         return;
1924                 }
1925         }
1926
1927         name_ = trim_string(new_folder, 32);
1928         Xstrdup_a(name, name_, {g_free(new_folder); return;});
1929         g_free(name_);
1930
1931         /* find whether the directory already exists */
1932         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1933                 alertpanel_error(_("The folder `%s' already exists."), name);
1934                 g_free(new_folder);
1935                 return;
1936         }
1937
1938         new_item = folder_create_folder(item, new_folder);
1939         if (!new_item) {
1940                 alertpanel_error(_("Can't create the folder `%s'."), name);
1941                 g_free(new_folder);
1942                 return;
1943         }
1944         g_free(new_folder);
1945
1946         folderview_create_folder_node(folderview, new_item);
1947
1948         folder_write_list();
1949 }
1950
1951 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1952                                           GtkWidget *widget)
1953 {
1954         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1955         FolderItem *item;
1956         FolderItem *new_item;
1957         gchar *new_folder;
1958
1959         if (!folderview->selected) return;
1960
1961         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1962         g_return_if_fail(item != NULL);
1963         g_return_if_fail(item->folder != NULL);
1964
1965         new_folder = input_dialog(_("New folder"),
1966                                   _("Input the name of new folder:"),
1967                                   _("NewFolder"));
1968         if (!new_folder) return;
1969
1970         /* find whether the directory already exists */
1971         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1972                 alertpanel_error(_("The folder `%s' already exists."),
1973                                  new_folder);
1974                 g_free(new_folder);
1975                 return;
1976         }
1977
1978         new_item = folder_create_folder(item, new_folder);
1979         g_free(new_folder);
1980         if (!new_item) return;
1981
1982         folderview_create_folder_node(folderview, new_item);
1983
1984         folder_write_list();
1985 }
1986
1987 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1988                                         GtkWidget *widget)
1989 {
1990         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1991         FolderItem *item;
1992         gchar *new_folder;
1993         gchar *name, *name_;
1994         gchar *message;
1995         gchar *old_path;
1996         gchar *old_id;
1997         gchar *new_id;
1998
1999         if (!folderview->selected) return;
2000
2001         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2002         g_return_if_fail(item != NULL);
2003         g_return_if_fail(item->path != NULL);
2004         g_return_if_fail(item->folder != NULL);
2005
2006         name_ = trim_string(item->name, 32);
2007         Xstrdup_a(name, name_, return);
2008         g_free(name_);
2009         message = g_strdup_printf(_("Input new name for `%s':"), name);
2010         new_folder = input_dialog(_("Rename folder"), message,
2011                                   g_basename(item->path));
2012         g_free(message);
2013         if (!new_folder) return;
2014
2015         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
2016                 alertpanel_error(_("`%c' can't be included in folder name."),
2017                                  G_DIR_SEPARATOR);
2018                 g_free(new_folder);
2019                 return;
2020         }
2021
2022         if (folderview_find_by_name
2023                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2024                  new_folder)) {
2025                 name = trim_string(new_folder, 32);
2026                 alertpanel_error(_("The folder `%s' already exists."), name);
2027                 g_free(name);
2028                 g_free(new_folder);
2029                 return;
2030         }
2031
2032         Xstrdup_a(old_path, item->path, {g_free(new_folder); return;});
2033         old_id = folder_item_get_identifier(item);
2034
2035         if (item->folder->class->rename_folder(item->folder, item, new_folder) < 0) {
2036                 g_free(old_id);
2037                 g_free(new_folder);
2038                 return;
2039         }
2040         g_free(new_folder);
2041
2042         /* if (FOLDER_TYPE(item->folder) == F_MH)
2043                 prefs_filtering_rename_path(old_path, item->path); */
2044         new_id = folder_item_get_identifier(item);
2045         prefs_filtering_rename_path(old_id, new_id);
2046
2047         g_free(old_id);
2048         g_free(new_id);
2049
2050         gtk_clist_freeze(GTK_CLIST(ctree));
2051
2052         folderview_update_node(folderview, folderview->selected);
2053         folderview_sort_folders(folderview,
2054                                 GTK_CTREE_ROW(folderview->selected)->parent,
2055                                 item->folder);
2056         if (folderview->opened == folderview->selected ||
2057             gtk_ctree_is_ancestor(ctree,
2058                                   folderview->selected,
2059                                   folderview->opened)) {
2060                 GtkCTreeNode *node = folderview->opened;
2061                 folderview_unselect(folderview);
2062                 folderview_select_node(folderview, node);
2063         }
2064
2065         gtk_clist_thaw(GTK_CLIST(ctree));
2066
2067         folder_write_list();
2068 }
2069
2070 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
2071                                              guint action,
2072                                              GtkWidget *widget)
2073 {
2074         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2075         FolderItem *item;
2076         gchar *new_folder;
2077         gchar *message;
2078
2079         if (!folderview->selected) return;
2080
2081         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2082         g_return_if_fail(item != NULL);
2083         g_return_if_fail(item->path != NULL);
2084         g_return_if_fail(item->folder != NULL);
2085
2086         message = g_strdup_printf(_("Input new name for `%s':"),
2087                                   g_basename(item->path));
2088         new_folder = input_dialog(_("Rename folder"), message,
2089                                   g_basename(item->path));
2090         g_free(message);
2091         if (!new_folder) return;
2092
2093         if (folderview_find_by_name
2094                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
2095                  new_folder)) {
2096                 alertpanel_error(_("The folder `%s' already exists."),
2097                                  new_folder);
2098                 g_free(new_folder);
2099                 return;
2100         }
2101
2102         if (item->folder->class->rename_folder(item->folder, item, new_folder) < 0) {
2103                 g_free(new_folder);
2104                 return;
2105         }
2106         g_free(new_folder);
2107
2108         gtk_clist_freeze(GTK_CLIST(ctree));
2109
2110         folderview_update_node(folderview, folderview->selected);
2111         folderview_sort_folders(folderview,
2112                                 GTK_CTREE_ROW(folderview->selected)->parent,
2113                                 item->folder);
2114         if (folderview->opened == folderview->selected) {
2115                 if (!GTK_CTREE_ROW(folderview->opened)->children)
2116                         gtk_ctree_expand(ctree, folderview->opened);
2117                 summary_show(folderview->summaryview, item);
2118         }
2119
2120         gtk_clist_thaw(GTK_CLIST(ctree));
2121
2122         folder_write_list();
2123 }
2124
2125 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
2126                                         GtkWidget *widget)
2127 {
2128         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2129         FolderItem *item;
2130         gchar *message, *name, *name_;
2131         AlertValue avalue;
2132         gchar *old_path;
2133         gchar *old_id;
2134
2135         if (!folderview->selected) return;
2136
2137         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2138         g_return_if_fail(item != NULL);
2139         g_return_if_fail(item->path != NULL);
2140         g_return_if_fail(item->folder != NULL);
2141
2142         name_ = trim_string(item->name, 32);
2143         Xstrdup_a(name, name_, return);
2144         g_free(name_);
2145         message = g_strdup_printf
2146                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
2147                    "Do you really want to delete?"), name);
2148         avalue = alertpanel(_("Delete folder"), message,
2149                             _("Yes"), _("+No"), NULL);
2150         g_free(message);
2151         if (avalue != G_ALERTDEFAULT) return;
2152
2153         Xstrdup_a(old_path, item->path, return);
2154         old_id = folder_item_get_identifier(item);
2155
2156         if (item->folder->class->remove_folder(item->folder, item) < 0) {
2157                 alertpanel_error(_("Can't remove the folder `%s'."), name);
2158                 if (folderview->opened == folderview->selected)
2159                         summary_show(folderview->summaryview,
2160                                      folderview->summaryview->folder_item);
2161                 g_free(old_id);
2162                 return;
2163         }
2164
2165         /* if (FOLDER_TYPE(item->folder) == F_MH)
2166                 prefs_filtering_delete_path(old_path); */
2167
2168         if (folderview->opened == folderview->selected ||
2169             gtk_ctree_is_ancestor(ctree,
2170                                   folderview->selected,
2171                                   folderview->opened)) {
2172                 summary_clear_all(folderview->summaryview);
2173                 folderview->opened = NULL;
2174         }
2175
2176         gtk_ctree_remove_node(ctree, folderview->selected);
2177         folder_write_list();
2178
2179         prefs_filtering_delete_path(old_id);
2180         g_free(old_id);
2181
2182 }
2183
2184 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
2185                                          GtkWidget *widget)
2186 {
2187         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2188         GtkCTreeNode *node;
2189         FolderItem *item;
2190         gchar *name, *name_;
2191         gchar *message;
2192         AlertValue avalue;
2193
2194         if (!folderview->selected) return;
2195         node = folderview->selected;
2196         item = gtk_ctree_node_get_row_data(ctree, node);
2197         g_return_if_fail(item != NULL);
2198         g_return_if_fail(item->folder != NULL);
2199         if (item->parent) return;
2200
2201         name_ = trim_string(item->folder->name, 32);
2202         Xstrdup_a(name, name_, return);
2203         g_free(name_);
2204         message = g_strdup_printf
2205                 (_("Really remove the mailbox `%s' ?\n"
2206                    "(The messages are NOT deleted from the disk)"), name);
2207         avalue = alertpanel(_("Remove mailbox"), message,
2208                             _("Yes"), _("+No"), NULL);
2209         g_free(message);
2210         if (avalue != G_ALERTDEFAULT) return;
2211
2212         folder_destroy(item->folder);
2213         summary_clear_all(folderview->summaryview);
2214         folderview_unselect(folderview);
2215         gtk_ctree_remove_node(ctree, node);
2216         folder_write_list();
2217 }
2218
2219 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
2220                                           GtkWidget *widget)
2221 {
2222         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2223         FolderItem *item;
2224         FolderItem *new_item;
2225         gchar *new_folder;
2226         gchar *name, *name_;
2227         gchar *p;
2228
2229         if (!folderview->selected) return;
2230
2231         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2232         g_return_if_fail(item != NULL);
2233         g_return_if_fail(item->folder != NULL);
2234         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2235         g_return_if_fail(item->folder->account != NULL);
2236
2237         new_folder = input_dialog
2238                 (_("New folder"),
2239                  _("Input the name of new folder:\n"
2240                    "(if you want to create a folder to store subfolders,\n"
2241                    " append `/' at the end of the name)"),
2242                  _("NewFolder"));
2243         if (!new_folder) return;
2244
2245         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
2246             *(p + 1) != '\0') {
2247                 alertpanel_error(_("`%c' can't be included in folder name."),
2248                                  G_DIR_SEPARATOR);
2249                 g_free(new_folder);
2250                 return;
2251         }
2252
2253         name_ = trim_string(new_folder, 32);
2254         Xstrdup_a(name, name_, return);
2255         g_free(name_);
2256
2257         /* find whether the directory already exists */
2258         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
2259                 alertpanel_error(_("The folder `%s' already exists."), name);
2260                 g_free(new_folder);
2261                 return;
2262         }
2263
2264         new_item = folder_create_folder(item, new_folder);
2265         if (!new_item) {
2266                 alertpanel_error(_("Can't create the folder `%s'."), name);
2267                 g_free(new_folder);
2268                 return;
2269         }
2270         g_free(new_folder);
2271
2272         folderview_create_folder_node(folderview, new_item);
2273
2274         folder_write_list();
2275 }
2276
2277 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
2278                                          GtkWidget *widget)
2279 {
2280         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2281         FolderItem *item;
2282         PrefsAccount *account;
2283         gchar *name, *name_;
2284         gchar *message;
2285         AlertValue avalue;
2286
2287         if (!folderview->selected) return;
2288
2289         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2290         g_return_if_fail(item != NULL);
2291         g_return_if_fail(item->folder != NULL);
2292         g_return_if_fail(FOLDER_TYPE(item->folder) == F_IMAP);
2293         g_return_if_fail(item->folder->account != NULL);
2294
2295         name_ = trim_string(item->folder->name, 32);
2296         Xstrdup_a(name, name_, return);
2297         g_free(name_);
2298         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"), name);
2299         avalue = alertpanel(_("Delete IMAP4 account"), message,
2300                             _("Yes"), _("+No"), NULL);
2301         g_free(message);
2302
2303         if (avalue != G_ALERTDEFAULT) return;
2304
2305         if (folderview->opened == folderview->selected ||
2306             gtk_ctree_is_ancestor(ctree,
2307                                   folderview->selected,
2308                                   folderview->opened)) {
2309                 summary_clear_all(folderview->summaryview);
2310                 folderview->opened = NULL;
2311         }
2312
2313         account = item->folder->account;
2314         folder_destroy(item->folder);
2315         account_destroy(account);
2316         gtk_ctree_remove_node(ctree, folderview->selected);
2317         account_set_menu();
2318         main_window_reflect_prefs_all();
2319         folder_write_list();
2320 }
2321
2322 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
2323                                          GtkWidget *widget)
2324 {
2325         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2326         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
2327         GtkCTreeNode *servernode, *node;
2328         Folder *folder;
2329         FolderItem *item;
2330         FolderItem *rootitem;
2331         FolderItem *newitem;
2332         GSList *new_subscr;
2333         GSList *cur;
2334         GNode *gnode;
2335
2336         if (!folderview->selected) return;
2337
2338         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2339         g_return_if_fail(item != NULL);
2340         folder = item->folder;
2341         g_return_if_fail(folder != NULL);
2342         g_return_if_fail(FOLDER_TYPE(folder) == F_NEWS);
2343         g_return_if_fail(folder->account != NULL);
2344
2345         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
2346                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
2347         else
2348                 servernode = folderview->selected;
2349
2350         rootitem = gtk_ctree_node_get_row_data(ctree, servernode);
2351
2352         new_subscr = grouplist_dialog(folder);
2353
2354         /* remove unsubscribed newsgroups */
2355         for (gnode = folder->node->children; gnode != NULL; ) {
2356                 GNode *next = gnode->next;
2357
2358                 item = FOLDER_ITEM(gnode->data);
2359                 if (g_slist_find_custom(new_subscr, item->path,
2360                                         (GCompareFunc)g_strcasecmp) != NULL) {
2361                         gnode = next;
2362                         continue;
2363                 }
2364
2365                 node = gtk_ctree_find_by_row_data(ctree, servernode, item);
2366                 if (!node) {
2367                         gnode = next;
2368                         continue;
2369                 }
2370
2371                 if (folderview->opened == node) {
2372                         summary_clear_all(folderview->summaryview);
2373                         folderview->opened = NULL;
2374                 }
2375
2376                 folder_item_remove(item);
2377                 gtk_ctree_remove_node(ctree, node);
2378
2379                 gnode = next;
2380         }
2381
2382         gtk_clist_freeze(GTK_CLIST(ctree));
2383
2384         /* add subscribed newsgroups */
2385         for (cur = new_subscr; cur != NULL; cur = cur->next) {
2386                 gchar *name = (gchar *)cur->data;
2387
2388                 if (folderview_find_by_name(ctree, servernode, name) != NULL)
2389                         continue;
2390
2391                 text[COL_FOLDER] = name;
2392                 node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
2393                                              FOLDER_SPACING,
2394                                              folderxpm, folderxpmmask,
2395                                              folderopenxpm, folderopenxpmmask,
2396                                              FALSE, FALSE);
2397                 gtk_ctree_expand(ctree, servernode);
2398
2399                 newitem = folder_item_new(folder, name, name);
2400                 folder_item_append(rootitem, newitem);
2401                 gtk_ctree_node_set_row_data(ctree, node, newitem);
2402         }
2403
2404         folderview_sort_folders(folderview, servernode, folder);
2405         gtk_clist_thaw(GTK_CLIST(ctree));
2406
2407         slist_free_strings(new_subscr);
2408         g_slist_free(new_subscr);
2409
2410         folder_write_list();
2411 }
2412
2413 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
2414                                         GtkWidget *widget)
2415 {
2416         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2417         FolderItem *item;
2418         gchar *name, *name_;
2419         gchar *message;
2420         AlertValue avalue;
2421
2422         if (!folderview->selected) return;
2423
2424         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2425         g_return_if_fail(item != NULL);
2426         g_return_if_fail(item->folder != NULL);
2427         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2428         g_return_if_fail(item->folder->account != NULL);
2429
2430         name_ = trim_string(item->path, 32);
2431         Xstrdup_a(name, name_, return);
2432         g_free(name_);
2433         message = g_strdup_printf(_("Really delete newsgroup `%s'?"), name);
2434         avalue = alertpanel(_("Delete newsgroup"), message,
2435                             _("Yes"), _("+No"), NULL);
2436         g_free(message);
2437         if (avalue != G_ALERTDEFAULT) return;
2438
2439         if (folderview->opened == folderview->selected) {
2440                 summary_clear_all(folderview->summaryview);
2441                 folderview->opened = NULL;
2442         }
2443
2444         folder_item_remove(item);
2445         gtk_ctree_remove_node(ctree, folderview->selected);
2446         folder_write_list();
2447
2448         prefs_filtering_delete_path(name);
2449 }
2450
2451 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
2452                                          GtkWidget *widget)
2453 {
2454         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2455         FolderItem *item;
2456         PrefsAccount *account;
2457         gchar *name, *name_;
2458         gchar *message;
2459         AlertValue avalue;
2460
2461         if (!folderview->selected) return;
2462
2463         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2464         g_return_if_fail(item != NULL);
2465         g_return_if_fail(item->folder != NULL);
2466         g_return_if_fail(FOLDER_TYPE(item->folder) == F_NEWS);
2467         g_return_if_fail(item->folder->account != NULL);
2468
2469         name_ = trim_string(item->folder->name, 32);
2470         Xstrdup_a(name, name_, return);
2471         g_free(name_);
2472         message = g_strdup_printf(_("Really delete news account `%s'?"), name);
2473         avalue = alertpanel(_("Delete news account"), message,
2474                             _("Yes"), _("+No"), NULL);
2475         g_free(message);
2476
2477         if (avalue != G_ALERTDEFAULT) return;
2478
2479         if (folderview->opened == folderview->selected ||
2480             gtk_ctree_is_ancestor(ctree,
2481                                   folderview->selected,
2482                                   folderview->opened)) {
2483                 summary_clear_all(folderview->summaryview);
2484                 folderview->opened = NULL;
2485         }
2486
2487         account = item->folder->account;
2488         folder_destroy(item->folder);
2489         account_destroy(account);
2490         gtk_ctree_remove_node(ctree, folderview->selected);
2491         account_set_menu();
2492         main_window_reflect_prefs_all();
2493         folder_write_list();
2494 }
2495
2496 static void folderview_search_cb(FolderView *folderview, guint action,
2497                                  GtkWidget *widget)
2498 {
2499         summary_search(folderview->summaryview);
2500 }
2501
2502 static void folderview_property_cb(FolderView *folderview, guint action,
2503                                    GtkWidget *widget)
2504 {
2505         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2506         FolderItem *item;
2507
2508         if (!folderview->selected) return;
2509
2510         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2511         g_return_if_fail(item != NULL);
2512         g_return_if_fail(item->folder != NULL);
2513
2514         if (item->parent == NULL && item->folder->account)
2515                 account_open(item->folder->account);
2516         else {
2517                 summary_save_prefs_to_folderitem(folderview->summaryview, item);
2518                 prefs_folder_item_create(folderview, item);
2519         }
2520 }
2521
2522 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
2523 {
2524         GSList *list = NULL;
2525         GSList *done = NULL;
2526         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2527
2528         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
2529                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
2530                 &&  list->data != node) {
2531                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
2532                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
2533                 }
2534         }
2535         for (list = done; list != NULL; list = g_slist_next(list)) {
2536                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
2537                                                                  list->data);
2538         }
2539         g_slist_free(done);
2540 }
2541
2542 static void folderview_move_to_cb(FolderView *folderview)
2543 {
2544         FolderItem *from_folder = NULL, *to_folder = NULL;
2545
2546         if (folderview->selected)
2547                 from_folder = gtk_ctree_node_get_row_data(GTK_CTREE(folderview->ctree), folderview->selected);
2548         if (!from_folder || FOLDER_TYPE(from_folder->folder) == F_NEWS)
2549                 return;
2550
2551         to_folder = foldersel_folder_sel(from_folder->folder, FOLDER_SEL_MOVE, NULL);
2552
2553         if (!to_folder || FOLDER_TYPE(to_folder->folder) == F_NEWS)
2554                 return;
2555
2556         folderview_move_to(folderview, from_folder, to_folder);
2557 }
2558
2559 static void folderview_move_to(FolderView *folderview, FolderItem *from_folder,
2560                                FolderItem *to_folder)
2561 {
2562         FolderItem *from_parent = NULL;
2563         FolderItem *new_folder = NULL;
2564         GtkCTreeNode *src_node = NULL;
2565         gchar *buf;
2566         gint status;
2567
2568         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2569         from_parent = from_folder->parent;
2570         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2571         STATUSBAR_PUSH(folderview->mainwin, buf);
2572         g_free(buf);
2573         summary_clear_all(folderview->summaryview);
2574         folderview->opened = NULL;
2575         folderview->selected = NULL;
2576         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2577         inc_lock();
2578         main_window_cursor_wait(folderview->mainwin);
2579         statusbar_verbosity_set(TRUE);
2580         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2581                 statusbar_verbosity_set(FALSE);
2582                 main_window_cursor_normal(folderview->mainwin);
2583                 STATUSBAR_POP(folderview->mainwin);
2584                 if (src_node)
2585                         gtk_ctree_remove_node(GTK_CTREE(folderview->ctree), src_node);
2586                 else
2587                         debug_print("can't remove src node: is null\n");
2588
2589                 folderview_create_folder_node_recursive(folderview, new_folder);
2590                 folderview_sort_folders(folderview,
2591                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2592                                 NULL, new_folder->parent), new_folder->folder);
2593                 folderview_select(folderview, new_folder);
2594         } else {
2595                 statusbar_verbosity_set(FALSE);
2596                 main_window_cursor_normal(folderview->mainwin);
2597                 STATUSBAR_POP(folderview->mainwin);
2598                 switch (status) {
2599                 case F_MOVE_FAILED_DEST_IS_PARENT:
2600                         alertpanel_error(_("Source and destination are the same."));
2601                         break;
2602                 case F_MOVE_FAILED_DEST_IS_CHILD:
2603                         alertpanel_error(_("Can't move a folder to one of its children."));
2604                         break;
2605                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2606                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2607                         break;
2608                 default:
2609                         alertpanel_error(_("Move failed!"));
2610                         break;
2611                 }
2612         }
2613         inc_unlock();
2614         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2615 }
2616
2617 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2618                                           GdkDragContext *context,
2619                                           gint            x,
2620                                           gint            y,
2621                                           guint           time,
2622                                           FolderView     *folderview)
2623 {
2624         gint row, column;
2625         FolderItem *item, *src_item;
2626         GtkCTreeNode *node = NULL;
2627         gboolean acceptable = FALSE;
2628         gint height = folderview->ctree->allocation.height;
2629         gint total_height = folderview->ctree->requisition.height;
2630         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2631                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2632         gfloat vpos = pos->value;
2633
2634         if (gtk_clist_get_selection_info
2635                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2636                 if (y > height - 24 && height + vpos < total_height)
2637                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2638
2639                 if (y < 24 && y > 0)
2640                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2641
2642                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2643                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2644                 src_item = folderview->summaryview->folder_item;
2645
2646                 if (item && item->folder && item->path &&
2647                     src_item && src_item != item) {
2648                         switch (FOLDER_TYPE(item->folder)) {
2649                         case F_MH:
2650                         case F_MBOX:
2651                         case F_IMAP:
2652                                 acceptable = TRUE;
2653                                 break;
2654                         default:
2655                                 break;
2656                         }
2657                 } else if (item && item->folder && folder_item_get_path(item) &&
2658                            src_item && src_item != item) {
2659                         /* a root folder - acceptable only from folderview */
2660                         if (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP)
2661                                 acceptable = TRUE;
2662                 }
2663
2664         }
2665
2666         if (acceptable || (src_item && src_item == item)) {
2667                 folderview_recollapse_nodes(folderview, node);
2668                 if (item->collapsed) {
2669                         gtk_ctree_expand(GTK_CTREE(widget), node);
2670                         folderview->nodes_to_recollapse = g_slist_append(
2671                                                                 folderview->nodes_to_recollapse,
2672                                                                 node);
2673                 }
2674         }
2675
2676         if (acceptable) {
2677                 gtk_signal_handler_block_by_func
2678                         (GTK_OBJECT(widget),
2679                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2680                 gtk_ctree_select(GTK_CTREE(widget), node);
2681                 gtk_signal_handler_unblock_by_func
2682                         (GTK_OBJECT(widget),
2683                          GTK_SIGNAL_FUNC(folderview_selected), folderview);
2684                 gdk_drag_status(context,
2685                                         (context->actions == GDK_ACTION_COPY ?
2686                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2687         } else {
2688                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2689                 gdk_drag_status(context, 0, time);
2690         }
2691
2692         return acceptable;
2693 }
2694
2695 static void folderview_drag_leave_cb(GtkWidget      *widget,
2696                                      GdkDragContext *context,
2697                                      guint           time,
2698                                      FolderView     *folderview)
2699 {
2700         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2701 }
2702
2703 static void folderview_drag_received_cb(GtkWidget        *widget,
2704                                         GdkDragContext   *drag_context,
2705                                         gint              x,
2706                                         gint              y,
2707                                         GtkSelectionData *data,
2708                                         guint             info,
2709                                         guint             time,
2710                                         FolderView       *folderview)
2711 {
2712         gint row, column;
2713         FolderItem *item, *src_item;
2714         GtkCTreeNode *node;
2715
2716         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2717                 /* comes from summaryview */
2718                 if (gtk_clist_get_selection_info
2719                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2720                         return;
2721
2722                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2723                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2724                 src_item = folderview->summaryview->folder_item;
2725
2726                 /* re-check (due to acceptable possibly set for folder moves */
2727                 if (!(item && item->folder && item->path &&
2728                       src_item && src_item != item &&
2729                       (FOLDER_TYPE(item->folder) == F_MH || FOLDER_TYPE(item->folder) == F_IMAP))) {
2730                         return;
2731                 }
2732                 if (item && src_item) {
2733                         switch (drag_context->action) {
2734                                 case GDK_ACTION_COPY:
2735                                         summary_copy_selected_to(folderview->summaryview, item);
2736                                         gtk_drag_finish(drag_context, TRUE, FALSE, time);
2737                                         break;
2738                                 case GDK_ACTION_MOVE:
2739                                 case GDK_ACTION_DEFAULT:
2740                                 default:
2741                         if (FOLDER_TYPE(src_item->folder) != FOLDER_TYPE(item->folder) ||
2742                             (FOLDER_TYPE(item->folder) == F_IMAP &&
2743                              src_item->folder != item->folder))
2744                                 summary_copy_selected_to(folderview->summaryview, item);
2745                         else
2746                                 summary_move_selected_to(folderview->summaryview, item);
2747                         gtk_drag_finish(drag_context, TRUE, TRUE, time);
2748                         }
2749                 } else
2750                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2751         } else {
2752                 /* comes from folderview */
2753                 char *source;
2754
2755                 source = data->data + 17;
2756                 if (gtk_clist_get_selection_info
2757                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2758                     || *source == 0) {
2759                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2760                         return;
2761                 }
2762                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2763                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2764                 src_item = folder_find_item_from_identifier(source);
2765
2766                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2767                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2768                         return;
2769                 }
2770
2771                 folderview_move_to(folderview, src_item, item);
2772                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2773         }
2774         folderview->nodes_to_recollapse = NULL;
2775 }
2776
2777 static gint folderview_clist_compare(GtkCList *clist,
2778                                      gconstpointer ptr1, gconstpointer ptr2)
2779 {
2780         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2781         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2782
2783         if (!item1->name)
2784                 return (item2->name != NULL);
2785         if (!item2->name)
2786                 return -1;
2787
2788         return g_strcasecmp(item1->name, item2->name);
2789 }
2790
2791 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2792 {
2793         const FolderItem *item = a;
2794         const gchar *name = b;
2795
2796         if (!item->path) return -1;
2797         return strcmp2(g_basename(item->path), name);
2798 }
2799
2800 static void folderview_scoring_cb(FolderView *folderview, guint action,
2801                                    GtkWidget *widget)
2802 {
2803         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2804         FolderItem *item;
2805
2806         if (!folderview->selected) return;
2807
2808         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2809         g_return_if_fail(item != NULL);
2810         g_return_if_fail(item->folder != NULL);
2811
2812         prefs_scoring_open(item);
2813 }
2814
2815 static void folderview_processing_cb(FolderView *folderview, guint action,
2816                                      GtkWidget *widget)
2817 {
2818         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2819         FolderItem *item;
2820
2821         if (!folderview->selected) return;
2822
2823         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2824         g_return_if_fail(item != NULL);
2825         g_return_if_fail(item->folder != NULL);
2826
2827         prefs_filtering_open(item, NULL, NULL);
2828 }
2829
2830 void folderview_set_target_folder_color(gint color_op)
2831 {
2832         gint firstone = 1;
2833         GList *list;
2834         FolderView *folderview;
2835
2836         for (list = folderview_list; list != NULL; list = list->next) {
2837                 folderview = (FolderView *)list->data;
2838                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2839                 if (firstone) {
2840                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2841                                 folderview->color_op;
2842                         firstone = 0;
2843                 }
2844         }
2845 }
2846
2847 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2848 {
2849         folderview_init(folderview);
2850         folderview_set_all();
2851 }
2852
2853 GtkTargetEntry folderview_drag_types[1] =
2854 {
2855         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
2856 };
2857
2858
2859 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2860                                   FolderView       *folderview)
2861 {
2862         GtkTargetList *list;
2863         GdkDragContext *context;
2864
2865         g_return_if_fail(folderview != NULL);
2866         if (folderview->selected == NULL) return;
2867
2868         list = gtk_target_list_new(folderview_drag_types, 1);
2869
2870         folderview->nodes_to_recollapse = NULL; /* in case the last drag has been cancelled */
2871
2872         context = gtk_drag_begin(widget, list,
2873                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2874         gtk_drag_set_icon_default(context);
2875 }
2876
2877 static void folderview_drag_data_get(GtkWidget        *widget,
2878                                      GdkDragContext   *drag_context,
2879                                      GtkSelectionData *selection_data,
2880                                      guint             info,
2881                                      guint             time,
2882                                      FolderView       *folderview)
2883 {
2884         FolderItem *item;
2885         GList *cur;
2886         gchar *source=NULL;
2887
2888         for (cur = GTK_CLIST(folderview->ctree)->selection;
2889              cur != NULL; cur = cur->next) {
2890                 item = gtk_ctree_node_get_row_data
2891                         (GTK_CTREE(folderview->ctree),
2892                          GTK_CTREE_NODE(cur->data));
2893                 if (item) {
2894                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2895                         gtk_selection_data_set(selection_data,
2896                                                selection_data->target, 8,
2897                                                source, strlen(source));
2898                         break;
2899                 } else
2900                         return;
2901         }
2902 }
2903