src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 "inputdialog.h"
  46 #include "grouplistdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "procmsg.h"
  51 #include "utils.h"
  52 #include "gtkutils.h"
  53 #include "prefs_common.h"
  54 #include "prefs_account.h"
  55 #include "account.h"
  56 #include "folder.h"
  57
  58 #include "pixmaps/inbox.xpm"
  59 #include "pixmaps/outbox.xpm"
  60 #include "pixmaps/dir-close.xpm"
  61 #include "pixmaps/dir-open.xpm"
  62 #include "pixmaps/trash.xpm"
  63
  64 typedef enum
  65 {
  66         COL_FOLDER      = 0,
  67         COL_NEW         = 1,
  68         COL_UNREAD      = 2,
  69         COL_TOTAL       = 3
  70 } FolderColumnPos;
  71
  72 #define N_FOLDER_COLS           4
  73 #define COL_FOLDER_WIDTH        150
  74 #define COL_NUM_WIDTH           32
  75
  76 #define STATUSBAR_PUSH(mainwin, str) \
  77 { \
  78         gtk_statusbar_push(GTK_STATUSBAR(mainwin->statusbar), \
  79                            mainwin->folderview_cid, str); \
  80         gtkut_widget_wait_for_draw(mainwin->hbox_stat); \
  81 }
  82
  83 #define STATUSBAR_POP(mainwin) \
  84 { \
  85         gtk_statusbar_pop(GTK_STATUSBAR(mainwin->statusbar), \
  86                           mainwin->folderview_cid); \
  87 }
  88
  89 static GList *folderview_list = NULL;
  90
  91 static GdkFont *normalfont;
  92 static GdkFont *boldfont;
  93
  94 static GtkStyle *bold_style;
  95 static GtkStyle *bold_color_style;
  96
  97 static GdkPixmap *inboxxpm;
  98 static GdkBitmap *inboxxpmmask;
  99 static GdkPixmap *outboxxpm;
 100 static GdkBitmap *outboxxpmmask;
 101 static GdkPixmap *folderxpm;
 102 static GdkBitmap *folderxpmmask;
 103 static GdkPixmap *folderopenxpm;
 104 static GdkBitmap *folderopenxpmmask;
 105 static GdkPixmap *trashxpm;
 106 static GdkBitmap *trashxpmmask;
 107
 108 static void folderview_select_node       (FolderView    *folderview,
 109                                           GtkCTreeNode  *node);
 110 static void folderview_set_folders       (FolderView    *folderview);
 111 static void folderview_sort_folders      (FolderView    *folderview,
 112                                           GtkCTreeNode  *root,
 113                                           Folder        *folder);
 114 static void folderview_append_folder     (FolderView    *folderview,
 115                                           Folder        *folder);
 116 static void folderview_update_node       (FolderView    *folderview,
 117                                           GtkCTreeNode  *node);
 118
 119 static GtkCTreeNode *folderview_find_by_name    (GtkCTree       *ctree,
 120                                                  GtkCTreeNode   *node,
 121                                                  const gchar    *name);
 122
 123 static gint folderview_compare_name     (gconstpointer   a,
 124                                          gconstpointer   b);
 125
 126 /* callback functions */
 127 static void folderview_button_pressed   (GtkWidget      *ctree,
 128                                          GdkEventButton *event,
 129                                          FolderView     *folderview);
 130 static void folderview_button_released  (GtkWidget      *ctree,
 131                                          GdkEventButton *event,
 132                                          FolderView     *folderview);
 133 static void folderview_key_pressed      (GtkWidget      *widget,
 134                                          GdkEventKey    *event,
 135                                          FolderView     *folderview);
 136 static void folderview_selected         (GtkCTree       *ctree,
 137                                          GtkCTreeNode   *row,
 138                                          gint            column,
 139                                          FolderView     *folderview);
 140 static void folderview_tree_expanded    (GtkCTree       *ctree,
 141                                          GtkCTreeNode   *node,
 142                                          FolderView     *folderview);
 143 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 144                                          GtkCTreeNode   *node,
 145                                          FolderView     *folderview);
 146 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 147                                          FolderView     *folderview);
 148 static void folderview_col_resized      (GtkCList       *clist,
 149                                          gint            column,
 150                                          gint            width,
 151                                          FolderView     *folderview);
 152
 153 static void folderview_update_tree_cb   (FolderView     *folderview,
 154                                          guint           action,
 155                                          GtkWidget      *widget);
 156
 157 static void folderview_new_folder_cb    (FolderView     *folderview,
 158                                          guint           action,
 159                                          GtkWidget      *widget);
 160 static void folderview_new_mbox_folder_cb(FolderView *folderview,
 161                                           guint action,
 162                                           GtkWidget *widget);
 163 static void folderview_rename_folder_cb (FolderView     *folderview,
 164                                          guint           action,
 165                                          GtkWidget      *widget);
 166 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
 167                                              guint action,
 168                                              GtkWidget *widget);
 169 static void folderview_delete_folder_cb (FolderView     *folderview,
 170                                          guint           action,
 171                                          GtkWidget      *widget);
 172 static void folderview_remove_mailbox_cb(FolderView     *folderview,
 173                                          guint           action,
 174                                          GtkWidget      *widget);
 175
 176 static void folderview_new_imap_folder_cb(FolderView    *folderview,
 177                                           guint          action,
 178                                           GtkWidget     *widget);
 179 static void folderview_rm_imap_folder_cb (FolderView    *folderview,
 180                                           guint          action,
 181                                           GtkWidget     *widget);
 182 static void folderview_rm_imap_server_cb (FolderView    *folderview,
 183                                           guint          action,
 184                                           GtkWidget     *widget);
 185
 186 static void folderview_new_news_group_cb(FolderView     *folderview,
 187                                          guint           action,
 188                                          GtkWidget      *widget);
 189 static void folderview_rm_news_group_cb (FolderView     *folderview,
 190                                          guint           action,
 191                                          GtkWidget      *widget);
 192 static void folderview_rm_news_server_cb(FolderView     *folderview,
 193                                          guint           action,
 194                                          GtkWidget      *widget);
 195
 196 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 197                                           GdkDragContext *context,
 198                                           gint            x,
 199                                           gint            y,
 200                                           guint           time,
 201                                           FolderView     *folderview);
 202 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 203                                           GdkDragContext   *context,
 204                                           guint             time,
 205                                           FolderView       *folderview);
 206 static void folderview_drag_received_cb  (GtkWidget        *widget,
 207                                           GdkDragContext   *drag_context,
 208                                           gint              x,
 209                                           gint              y,
 210                                           GtkSelectionData *data,
 211                                           guint             info,
 212                                           guint             time,
 213                                           FolderView       *folderview);
 214 static void folderview_scoring_cb(FolderView *folderview, guint action,
 215                                   GtkWidget *widget);
 216 static void folderview_property_cb(FolderView *folderview, guint action, GtkWidget *widget);
 217
 218 static GtkItemFactoryEntry folderview_mbox_popup_entries[] =
 219 {
 220         {N_("/Create _new folder..."),  NULL, folderview_new_mbox_folder_cb,    0, NULL},
 221         {N_("/_Rename folder..."),      NULL, folderview_rename_mbox_folder_cb, 0, NULL},
 222         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 223         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 224         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 225         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 226         {N_("/_Property..."),           NULL, NULL, 0, NULL},
 227         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 228 };
 229
 230 static GtkItemFactoryEntry folderview_mail_popup_entries[] =
 231 {
 232         {N_("/Create _new folder..."),  NULL, folderview_new_folder_cb,    0, NULL},
 233         {N_("/_Rename folder..."),      NULL, folderview_rename_folder_cb, 0, NULL},
 234         {N_("/_Delete folder"),         NULL, folderview_delete_folder_cb, 0, NULL},
 235         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 236         {N_("/_Update folder tree"),    NULL, folderview_update_tree_cb, 0, NULL},
 237         {N_("/Remove _mailbox"),        NULL, folderview_remove_mailbox_cb, 0, NULL},
 238         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 239         {N_("/_Property..."),           NULL, folderview_property_cb, 0, NULL},
 240         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 241 };
 242
 243 static GtkItemFactoryEntry folderview_imap_popup_entries[] =
 244 {
 245         {N_("/Create _new folder..."),  NULL, folderview_new_imap_folder_cb, 0, NULL},
 246         {N_("/_Rename folder..."),      NULL, NULL, 0, NULL},
 247         {N_("/_Delete folder"),         NULL, folderview_rm_imap_folder_cb, 0, NULL},
 248         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 249         {N_("/_Update folder tree"),    NULL, folderview_update_tree_cb, 0, NULL},
 250         {N_("/Remove _IMAP4 account"),  NULL, folderview_rm_imap_server_cb, 0, NULL},
 251         {N_("/---"),                    NULL, NULL, 0, "<Separator>"},
 252         {N_("/_Property..."),           NULL, NULL, 0, NULL},
 253         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 254 };
 255
 256 static GtkItemFactoryEntry folderview_news_popup_entries[] =
 257 {
 258         {N_("/_Subscribe to newsgroup..."),
 259                                          NULL, folderview_new_news_group_cb, 0, NULL},
 260         {N_("/_Remove newsgroup"),       NULL, folderview_rm_news_group_cb, 0, NULL},
 261         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 262         {N_("/Remove _news account"),    NULL, folderview_rm_news_server_cb, 0, NULL},
 263         {N_("/---"),                     NULL, NULL, 0, "<Separator>"},
 264         {N_("/_Property..."),            NULL, NULL, 0, NULL},
 265         {N_("/_Scoring..."),            NULL, folderview_scoring_cb, 0, NULL}
 266 };
 267
 268
 269 FolderView *folderview_create(void)
 270 {
 271         FolderView *folderview;
 272         GtkWidget *scrolledwin;
 273         GtkWidget *ctree;
 274         gchar *titles[N_FOLDER_COLS] = {_("Folder"), _("New"),
 275                                         _("Unread"), _("#")};
 276         GtkWidget *mail_popup;
 277         GtkWidget *news_popup;
 278         GtkWidget *imap_popup;
 279         GtkWidget *mbox_popup;
 280         GtkItemFactory *mail_factory;
 281         GtkItemFactory *news_factory;
 282         GtkItemFactory *imap_factory;
 283         GtkItemFactory *mbox_factory;
 284         gint n_entries;
 285         gint i;
 286
 287         debug_print(_("Creating folder view...\n"));
 288         folderview = g_new0(FolderView, 1);
 289
 290         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 291         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 292                                        GTK_POLICY_AUTOMATIC,
 293                                        GTK_POLICY_ALWAYS);
 294         gtk_widget_set_usize(scrolledwin,
 295                              prefs_common.folderview_width,
 296                              prefs_common.folderview_height);
 297
 298         ctree = gtk_ctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 299         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 300         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 301         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 302                                            GTK_JUSTIFY_RIGHT);
 303         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 304                                            GTK_JUSTIFY_RIGHT);
 305         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 306                                            GTK_JUSTIFY_RIGHT);
 307         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 308                                    prefs_common.folder_col_folder);
 309         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 310                                    prefs_common.folder_col_new);
 311         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 312                                    prefs_common.folder_col_unread);
 313         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 314                                    prefs_common.folder_col_total);
 315         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 316         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 317                                      GTK_CTREE_EXPANDER_SQUARE);
 318         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 319
 320         /* don't let title buttons take key focus */
 321         for (i = 0; i < N_FOLDER_COLS; i++)
 322                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 323                                        GTK_CAN_FOCUS);
 324
 325         /* popup menu */
 326         n_entries = sizeof(folderview_mail_popup_entries) /
 327                 sizeof(folderview_mail_popup_entries[0]);
 328         mail_popup = menu_create_items(folderview_mail_popup_entries,
 329                                        n_entries,
 330                                        "<MailFolder>", &mail_factory,
 331                                        folderview);
 332         n_entries = sizeof(folderview_imap_popup_entries) /
 333                 sizeof(folderview_imap_popup_entries[0]);
 334         imap_popup = menu_create_items(folderview_imap_popup_entries,
 335                                        n_entries,
 336                                        "<IMAPFolder>", &imap_factory,
 337                                        folderview);
 338         n_entries = sizeof(folderview_news_popup_entries) /
 339                 sizeof(folderview_news_popup_entries[0]);
 340         news_popup = menu_create_items(folderview_news_popup_entries,
 341                                        n_entries,
 342                                        "<NewsFolder>", &news_factory,
 343                                        folderview);
 344         n_entries = sizeof(folderview_mbox_popup_entries) /
 345                 sizeof(folderview_mbox_popup_entries[0]);
 346         mbox_popup = menu_create_items(folderview_mbox_popup_entries,
 347                                        n_entries,
 348                                        "<MailFolder>", &mbox_factory,
 349                                        folderview);
 350
 351         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 352                            GTK_SIGNAL_FUNC(folderview_key_pressed),
 353                            folderview);
 354         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 355                            GTK_SIGNAL_FUNC(folderview_button_pressed),
 356                            folderview);
 357         gtk_signal_connect(GTK_OBJECT(ctree), "button_release_event",
 358                            GTK_SIGNAL_FUNC(folderview_button_released),
 359                            folderview);
 360         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 361                            GTK_SIGNAL_FUNC(folderview_selected), folderview);
 362
 363         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_expand",
 364                                  GTK_SIGNAL_FUNC(folderview_tree_expanded),
 365                                  folderview);
 366         gtk_signal_connect_after(GTK_OBJECT(ctree), "tree_collapse",
 367                                  GTK_SIGNAL_FUNC(folderview_tree_collapsed),
 368                                  folderview);
 369
 370         gtk_signal_connect(GTK_OBJECT(ctree), "resize_column",
 371                            GTK_SIGNAL_FUNC(folderview_col_resized),
 372                            folderview);
 373
 374         gtk_signal_connect(GTK_OBJECT(mail_popup), "selection_done",
 375                            GTK_SIGNAL_FUNC(folderview_popup_close),
 376                            folderview);
 377         gtk_signal_connect(GTK_OBJECT(imap_popup), "selection_done",
 378                            GTK_SIGNAL_FUNC(folderview_popup_close),
 379                            folderview);
 380         gtk_signal_connect(GTK_OBJECT(news_popup), "selection_done",
 381                            GTK_SIGNAL_FUNC(folderview_popup_close),
 382                            folderview);
 383         gtk_signal_connect(GTK_OBJECT(mbox_popup), "selection_done",
 384                            GTK_SIGNAL_FUNC(folderview_popup_close),
 385                            folderview);
 386
 387         /* drop callback */
 388         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL &
 389                           ~GTK_DEST_DEFAULT_HIGHLIGHT,
 390                           summary_drag_types, 1,
 391                           GDK_ACTION_MOVE);
 392         gtk_signal_connect(GTK_OBJECT(ctree), "drag_motion",
 393                            GTK_SIGNAL_FUNC(folderview_drag_motion_cb),
 394                            folderview);
 395         gtk_signal_connect(GTK_OBJECT(ctree), "drag_leave",
 396                            GTK_SIGNAL_FUNC(folderview_drag_leave_cb),
 397                            folderview);
 398         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_received",
 399                            GTK_SIGNAL_FUNC(folderview_drag_received_cb),
 400                            folderview);
 401
 402         folderview->scrolledwin  = scrolledwin;
 403         folderview->ctree        = ctree;
 404         folderview->mail_popup   = mail_popup;
 405         folderview->mail_factory = mail_factory;
 406         folderview->imap_popup   = imap_popup;
 407         folderview->imap_factory = imap_factory;
 408         folderview->news_popup   = news_popup;
 409         folderview->news_factory = news_factory;
 410         folderview->mbox_popup   = mbox_popup;
 411         folderview->mbox_factory = mbox_factory;
 412
 413         gtk_widget_show_all(scrolledwin);
 414
 415         folderview_list = g_list_append(folderview_list, folderview);
 416
 417         return folderview;
 418 }
 419
 420 void folderview_init(FolderView *folderview)
 421 {
 422         GtkWidget *ctree = folderview->ctree;
 423
 424         PIXMAP_CREATE(ctree, inboxxpm, inboxxpmmask, inbox_xpm);
 425         PIXMAP_CREATE(ctree, outboxxpm, outboxxpmmask, outbox_xpm);
 426         PIXMAP_CREATE(ctree, folderxpm, folderxpmmask, DIRECTORY_CLOSE_XPM);
 427         PIXMAP_CREATE(ctree, folderopenxpm, folderopenxpmmask,
 428                       DIRECTORY_OPEN_XPM);
 429         PIXMAP_CREATE(ctree, trashxpm, trashxpmmask, trash_xpm);
 430
 431         if (!normalfont)
 432                 normalfont = gdk_fontset_load(NORMAL_FONT);
 433         if (!boldfont)
 434                 boldfont = gdk_fontset_load(BOLD_FONT);
 435
 436         if (!bold_style) {
 437                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 438                 bold_style->font = boldfont;
 439                 bold_color_style = gtk_style_copy(bold_style);
 440                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 441         }
 442 }
 443
 444 void folderview_set(FolderView *folderview)
 445 {
 446         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 447         MainWindow *mainwin = folderview->mainwin;
 448
 449         debug_print(_("Setting folder info...\n"));
 450         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 451
 452         main_window_cursor_wait(mainwin);
 453
 454         folderview->selected = NULL;
 455         folderview->opened = NULL;
 456
 457         gtk_clist_freeze(GTK_CLIST(ctree));
 458         gtk_clist_clear(GTK_CLIST(ctree));
 459         gtk_clist_thaw(GTK_CLIST(ctree));
 460         gtk_clist_freeze(GTK_CLIST(ctree));
 461
 462         folderview_set_folders(folderview);
 463
 464         gtk_clist_thaw(GTK_CLIST(ctree));
 465         main_window_cursor_normal(mainwin);
 466         STATUSBAR_POP(mainwin);
 467 }
 468
 469 void folderview_set_all(void)
 470 {
 471         GList *list;
 472
 473         for (list = folderview_list; list != NULL; list = list->next)
 474                 folderview_set((FolderView *)list->data);
 475 }
 476
 477 void folderview_select(FolderView *folderview, FolderItem *item)
 478 {
 479         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 480         GtkCTreeNode *node;
 481         GtkCTreeNode *old_selected = folderview->selected;
 482
 483         if (!item) return;
 484
 485         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 486         if (node) folderview_select_node(folderview, node);
 487
 488         if (old_selected != node)
 489                 folder_update_op_count();
 490 }
 491
 492 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 493 {
 494         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 495
 496         g_return_if_fail(node != NULL);
 497
 498         folderview->open_folder = TRUE;
 499         gtk_ctree_select(ctree, node);
 500         gtkut_ctree_set_focus_row(ctree, node);
 501         if (folderview->summaryview->messages > 0)
 502                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 503         else
 504                 gtk_widget_grab_focus(folderview->ctree);
 505
 506         gtkut_ctree_expand_parent_all(ctree, node);
 507 }
 508
 509 void folderview_unselect(FolderView *folderview)
 510 {
 511         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 512                 gtk_ctree_collapse
 513                         (GTK_CTREE(folderview->ctree), folderview->opened);
 514
 515         folderview->selected = folderview->opened = NULL;
 516 }
 517
 518 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 519                                                  GtkCTreeNode *node)
 520 {
 521         FolderItem *item;
 522
 523         if (node)
 524                 node = gtkut_ctree_node_next(ctree, node);
 525         else
 526                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 527
 528         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 529                 item = gtk_ctree_node_get_row_data(ctree, node);
 530                 if (item && item->unread > 0 && item->stype != F_TRASH)
 531                         return node;
 532         }
 533
 534         return NULL;
 535 }
 536
 537 void folderview_select_next_unread(FolderView *folderview)
 538 {
 539         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 540         GtkCTreeNode *node = NULL;
 541
 542         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 543             != NULL) {
 544                 folderview_select_node(folderview, node);
 545                 return;
 546         }
 547
 548         if (!folderview->opened ||
 549             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 550                 return;
 551         /* search again from the first node */
 552         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 553                 folderview_select_node(folderview, node);
 554 }
 555
 556 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row,
 557                                gint new, gint unread, gint total)
 558 {
 559         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 560         static GtkCTreeNode *prev_row = NULL;
 561         FolderItem *item;
 562
 563         if (!row) return;
 564
 565         item = gtk_ctree_node_get_row_data(ctree, row);
 566         if (!item) return;
 567         if (prev_row     == row    &&
 568             item->new    == new    &&
 569             item->unread == unread &&
 570             item->total  == total)
 571                 return;
 572
 573         prev_row = row;
 574
 575         item->new    = new;
 576         item->unread = unread;
 577         item->total  = total;
 578
 579         folderview_update_node(folderview, row);
 580 }
 581
 582 static void folderview_set_folders(FolderView *folderview)
 583 {
 584         GList *list;
 585
 586         list = folder_get_list();
 587
 588         for (; list != NULL; list = list->next)
 589                 folderview_append_folder(folderview, FOLDER(list->data));
 590 }
 591
 592 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 593                                       gpointer data)
 594 {
 595         GList *list;
 596         gchar *rootpath;
 597
 598         if (FOLDER_IS_LOCAL(folder))
 599                 rootpath = LOCAL_FOLDER(folder)->rootpath;
 600         else if (folder->type == F_IMAP && folder->account &&
 601                  folder->account->recv_server)
 602                 rootpath = folder->account->recv_server;
 603         else
 604                 return;
 605
 606         for (list = folderview_list; list != NULL; list = list->next) {
 607                 FolderView *folderview = (FolderView *)list->data;
 608                 MainWindow *mainwin = folderview->mainwin;
 609                 gchar *str;
 610
 611                 if (item->path)
 612                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 613                                               rootpath, G_DIR_SEPARATOR,
 614                                               item->path);
 615                 else
 616                         str = g_strdup_printf(_("Scanning folder %s ..."),
 617                                               rootpath);
 618
 619                 STATUSBAR_PUSH(mainwin, str);
 620                 STATUSBAR_POP(mainwin);
 621                 g_free(str);
 622         }
 623 }
 624
 625 static GtkWidget *label_window_create(const gchar *str)
 626 {
 627         GtkWidget *window;
 628         GtkWidget *label;
 629
 630         window = gtk_window_new(GTK_WINDOW_DIALOG);
 631         gtk_widget_set_usize(window, 380, 60);
 632         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 633         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 634         gtk_window_set_title(GTK_WINDOW(window), str);
 635         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 636         gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
 637         manage_window_set_transient(GTK_WINDOW(window));
 638
 639         label = gtk_label_new(str);
 640         gtk_container_add(GTK_CONTAINER(window), label);
 641         gtk_widget_show(label);
 642
 643         gtk_widget_show_now(window);
 644
 645         return window;
 646 }
 647
 648 void folderview_update_tree(Folder *folder)
 649 {
 650         GtkWidget *window;
 651
 652         g_return_if_fail(folder != NULL);
 653
 654         if (!folder->scan_tree) return;
 655
 656         window = label_window_create(_("Updating folder tree..."));
 657
 658         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 659         folder->scan_tree(folder);
 660         folder_set_ui_func(folder, NULL, NULL);
 661
 662         folder_write_list();
 663         folderview_set_all();
 664
 665         gtk_widget_destroy(window);
 666 }
 667
 668 void folderview_update_all(void)
 669 {
 670         GList *list;
 671         GtkWidget *window;
 672
 673         window = label_window_create(_("Updating all folders..."));
 674
 675         list = folder_get_list();
 676         for (; list != NULL; list = list->next) {
 677                 Folder *folder = list->data;
 678
 679                 if (!folder->scan_tree) continue;
 680                 folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 681                 folder->scan_tree(folder);
 682                 folder_set_ui_func(folder, NULL, NULL);
 683         }
 684
 685         folder_write_list();
 686         folderview_set_all();
 687         gtk_widget_destroy(window);
 688 }
 689
 690 void folderview_update_all_node(void)
 691 {
 692         GList *list;
 693         FolderItem *item;
 694         FolderView *folderview;
 695         GtkCTree *ctree;
 696         GtkCTreeNode *node;
 697         GtkWidget *window;
 698
 699         window = label_window_create(_("Updating all folders..."));
 700
 701         for (list = folderview_list; list != NULL; list = list->next) {
 702                 folderview = (FolderView *)list->data;
 703                 ctree = GTK_CTREE(folderview->ctree);
 704
 705                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 706                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 707                         item = gtk_ctree_node_get_row_data(ctree, node);
 708                         if (!item || !FOLDER_IS_LOCAL(item->folder) ||
 709                             !item->path)
 710                                 continue;
 711                         folderview_scan_tree_func(item->folder, item, NULL);
 712                         folder_item_scan(item);
 713                         folderview_update_node(folderview, node);
 714                 }
 715         }
 716
 717         folder_write_list();
 718         gtk_widget_destroy(window);
 719 }
 720
 721 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 722                                                 GtkCTreeNode *node)
 723 {
 724         FolderItem *item;
 725
 726         if (node) {
 727                 item = gtk_ctree_node_get_row_data(ctree, node);
 728                 if (item) {
 729                         if (item->new > 0 ||
 730                             (item->stype == F_QUEUE && item->total > 0))
 731                                 return TRUE;
 732                 }
 733                 node = GTK_CTREE_ROW(node)->children;
 734         } else
 735                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 736
 737         while (node) {
 738                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 739                         return TRUE;
 740                 node = GTK_CTREE_ROW(node)->sibling;
 741         }
 742
 743         return FALSE;
 744 }
 745
 746 static gboolean folderview_have_new_children(FolderView *folderview,
 747                                              GtkCTreeNode *node)
 748 {
 749         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 750
 751         if (!node)
 752                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 753         if (!node)
 754                 return FALSE;
 755
 756         node = GTK_CTREE_ROW(node)->children;
 757
 758         while (node) {
 759                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 760                         return TRUE;
 761                 node = GTK_CTREE_ROW(node)->sibling;
 762         }
 763
 764         return FALSE;
 765 }
 766
 767 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 768                                                    GtkCTreeNode *node)
 769 {
 770         FolderItem *item;
 771
 772         if (node) {
 773                 item = gtk_ctree_node_get_row_data(ctree, node);
 774                 if (item) {
 775                         if (item->unread > 0 ||
 776                             (item->stype == F_QUEUE && item->total > 0))
 777                                 return TRUE;
 778                 }
 779                 node = GTK_CTREE_ROW(node)->children;
 780         } else
 781                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 782
 783         while (node) {
 784                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 785                         return TRUE;
 786                 node = GTK_CTREE_ROW(node)->sibling;
 787         }
 788
 789         return FALSE;
 790 }
 791
 792 static gboolean folderview_have_unread_children(FolderView *folderview,
 793                                                 GtkCTreeNode *node)
 794 {
 795         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 796
 797         if (!node)
 798                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 799         if (!node)
 800                 return FALSE;
 801
 802         node = GTK_CTREE_ROW(node)->children;
 803
 804         while (node) {
 805                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 806                         return TRUE;
 807                 node = GTK_CTREE_ROW(node)->sibling;
 808         }
 809
 810         return FALSE;
 811 }
 812
 813 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
 814 {
 815         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 816         GtkStyle *style, *prev_style, *ctree_style;
 817         GtkCTreeNode *parent;
 818         FolderItem *item;
 819         GdkPixmap *xpm, *openxpm;
 820         GdkBitmap *mask, *openmask;
 821         gchar *name;
 822         gchar *str;
 823         gboolean add_unread_mark;
 824         gboolean use_bold, use_color;
 825
 826         item = gtk_ctree_node_get_row_data(ctree, node);
 827         g_return_if_fail(item != NULL);
 828
 829         switch (item->stype) {
 830         case F_INBOX:
 831                 xpm = openxpm = inboxxpm;
 832                 mask = openmask = inboxxpmmask;
 833                 name = g_strdup(_("Inbox"));
 834                 break;
 835         case F_OUTBOX:
 836                 xpm = openxpm = outboxxpm;
 837                 mask = openmask = outboxxpmmask;
 838                 name = g_strdup(_("Outbox"));
 839                 break;
 840         case F_QUEUE:
 841                 xpm = openxpm = outboxxpm;
 842                 mask = openmask = outboxxpmmask;
 843                 name = g_strdup(_("Queue"));
 844                 break;
 845         case F_TRASH:
 846                 xpm = openxpm = trashxpm;
 847                 mask = openmask = trashxpmmask;
 848                 name = g_strdup(_("Trash"));
 849                 break;
 850         case F_DRAFT:
 851                 xpm = folderxpm;
 852                 mask = folderxpmmask;
 853                 openxpm = folderopenxpm;
 854                 openmask = folderopenxpmmask;
 855                 name = g_strdup(_("Draft"));
 856                 break;
 857         default:
 858                 xpm = folderxpm;
 859                 mask = folderxpmmask;
 860                 openxpm = folderopenxpm;
 861                 openmask = folderopenxpmmask;
 862                 if (!item->parent) {
 863                         switch (item->folder->type) {
 864                         case F_MH:
 865                                 name = " (MH)"; break;
 866                         case F_MBOX:
 867                                 name = " (mbox)"; break;
 868                         case F_IMAP:
 869                                 name = " (IMAP4)"; break;
 870                         case F_NEWS:
 871                                 name = " (News)"; break;
 872                         default:
 873                                 name = "";
 874                         }
 875                         name = g_strconcat(item->name, name, NULL);
 876                 } else
 877                         name = g_strdup(item->name);
 878         }
 879
 880         if (!GTK_CTREE_ROW(node)->expanded &&
 881             folderview_have_unread_children(folderview, node))
 882                 add_unread_mark = TRUE;
 883         else
 884                 add_unread_mark = FALSE;
 885
 886         if (item->stype == F_QUEUE && item->total > 0 &&
 887             prefs_common.display_folder_unread) {
 888                 str = g_strdup_printf("%s (%d%s)", name, item->total,
 889                                       add_unread_mark ? "+" : "");
 890                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
 891                                         xpm, mask, openxpm, openmask,
 892                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 893                 g_free(str);
 894         } else if ((item->unread > 0 || add_unread_mark) &&
 895                  prefs_common.display_folder_unread) {
 896
 897                 if (item->unread > 0)
 898                         str = g_strdup_printf("%s (%d%s)", name, item->unread,
 899                                               add_unread_mark ? "+" : "");
 900                 else
 901                         str = g_strdup_printf("%s (+)", name);
 902                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
 903                                         xpm, mask, openxpm, openmask,
 904                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 905                 g_free(str);
 906         } else
 907                 gtk_ctree_set_node_info(ctree, node, name, FOLDER_SPACING,
 908                                         xpm, mask, openxpm, openmask,
 909                                         FALSE, GTK_CTREE_ROW(node)->expanded);
 910         g_free(name);
 911
 912         if (!item->parent) {
 913                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
 914                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
 915                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
 916         } else {
 917                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new));
 918                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread));
 919                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total));
 920         }
 921
 922         ctree_style = gtk_widget_get_style(GTK_WIDGET(ctree));
 923         prev_style = gtk_ctree_node_get_row_style(ctree, node);
 924         if (!prev_style)
 925                 prev_style = ctree_style;
 926         style = gtk_style_copy(prev_style);
 927         if (!style) return;
 928
 929         if (item->stype == F_QUEUE) {
 930                 /* highlight queue folder if there are any messages */
 931                 use_bold = use_color = (item->total > 0);
 932         } else if (item->stype == F_TRASH) {
 933                 /* Never highlight trash */
 934                 use_bold = FALSE;
 935                 use_color = FALSE;
 936         } else {
 937                 /* if unread messages exist, print with bold font */
 938                 use_bold = (item->unread > 0) || add_unread_mark;
 939                 /* if new messages exist, print with colored letter */
 940                 use_color =
 941                         (item->new > 0) ||
 942                         (add_unread_mark &&
 943                          folderview_have_new_children(folderview, node));
 944         }
 945
 946         gtk_ctree_node_set_foreground(ctree, node, NULL);
 947
 948         if (use_bold && use_color)
 949                 style = bold_color_style;
 950         else if (use_bold)
 951                 style = bold_style;
 952         else if (use_color)
 953                 gtk_ctree_node_set_foreground(ctree, node,
 954                                               &folderview->color_new);
 955
 956         gtk_ctree_node_set_row_style(ctree, node, style);
 957
 958         parent = node;
 959         while ((parent = gtkut_ctree_find_collapsed_parent(ctree, parent))
 960                != NULL)
 961                 folderview_update_node(folderview, parent);
 962 }
 963
 964 void folderview_update_item(FolderItem *item, gboolean update_summary)
 965 {
 966         GList *list;
 967         FolderView *folderview;
 968         GtkCTree *ctree;
 969         GtkCTreeNode *node;
 970
 971         g_return_if_fail(item != NULL);
 972
 973         for (list = folderview_list; list != NULL; list = list->next) {
 974                 folderview = (FolderView *)list->data;
 975                 ctree = GTK_CTREE(folderview->ctree);
 976
 977                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 978                 if (node) {
 979                         folderview_update_node(folderview, node);
 980                         if (update_summary && folderview->opened == node)
 981                                 summary_show(folderview->summaryview,
 982                                              item, FALSE);
 983                 }
 984         }
 985 }
 986
 987 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
 988                                                 gpointer data)
 989 {
 990         folderview_update_item((FolderItem *)key, FALSE);
 991 }
 992
 993 void folderview_update_item_foreach(GHashTable *table)
 994 {
 995         g_hash_table_foreach(table, folderview_update_item_foreach_func, NULL);
 996 }
 997
 998 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
 999                                       GNode *gnode, GtkCTreeNode *cnode,
1000                                       gpointer data)
1001 {
1002         FolderView *folderview = (FolderView *)data;
1003         FolderItem *item = FOLDER_ITEM(gnode->data);
1004
1005         g_return_val_if_fail(item != NULL, FALSE);
1006
1007         gtk_ctree_node_set_row_data(ctree, cnode, item);
1008         folderview_update_node(folderview, cnode);
1009
1010         return TRUE;
1011 }
1012
1013 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1014                                    gpointer data)
1015 {
1016         FolderView *folderview = (FolderView *)data;
1017         FolderItem *item;
1018
1019         if (GTK_CTREE_ROW(node)->children) {
1020                 item = gtk_ctree_node_get_row_data(ctree, node);
1021                 g_return_if_fail(item != NULL);
1022
1023                 if (!item->collapsed)
1024                         gtk_ctree_expand(ctree, node);
1025                 else
1026                         folderview_update_node(folderview, node);
1027         }
1028 }
1029
1030 #define SET_SPECIAL_FOLDER(ctree, item) \
1031 { \
1032         if (item) { \
1033                 GtkCTreeNode *node, *sibling; \
1034  \
1035                 node = gtk_ctree_find_by_row_data(ctree, root, item); \
1036                 if (!node) \
1037                         g_warning("%s not found.\n", item->path); \
1038                 else { \
1039                         if (!prev) \
1040                                 sibling = GTK_CTREE_ROW(root)->children; \
1041                         else \
1042                                 sibling = GTK_CTREE_ROW(prev)->sibling; \
1043                         if (node != sibling) \
1044                                 gtk_ctree_move(ctree, node, root, sibling); \
1045                 } \
1046  \
1047                 prev = node; \
1048         } \
1049 }
1050
1051 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1052                                     Folder *folder)
1053 {
1054         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1055         GtkCTreeNode *prev = NULL;
1056
1057         gtk_ctree_sort_recursive(ctree, root);
1058
1059         if (GTK_CTREE_ROW(root)->parent) return;
1060
1061         SET_SPECIAL_FOLDER(ctree, folder->inbox);
1062         SET_SPECIAL_FOLDER(ctree, folder->outbox);
1063         SET_SPECIAL_FOLDER(ctree, folder->draft);
1064         SET_SPECIAL_FOLDER(ctree, folder->queue);
1065         SET_SPECIAL_FOLDER(ctree, folder->trash);
1066 }
1067
1068 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1069 {
1070         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1071         GtkCTreeNode *root;
1072
1073         g_return_if_fail(folder != NULL);
1074
1075         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1076                                       folderview_gnode_func, folderview);
1077         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1078                                 folderview);
1079         folderview_sort_folders(folderview, root, folder);
1080 }
1081
1082 void folderview_new_folder(FolderView *folderview)
1083 {
1084         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1085         FolderItem *item;
1086
1087         if (!folderview->selected) return;
1088
1089         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1090         g_return_if_fail(item != NULL);
1091         g_return_if_fail(item->folder != NULL);
1092
1093         switch (item->folder->type) {
1094         case F_MBOX:
1095                 folderview_new_mbox_folder_cb(folderview, 0, NULL);
1096                 break;
1097         case F_MH:
1098         case F_MAILDIR:
1099                 folderview_new_folder_cb(folderview, 0, NULL);
1100                 break;
1101         case F_IMAP:
1102                 folderview_new_imap_folder_cb(folderview, 0, NULL);
1103                 break;
1104         case F_NEWS:
1105         default:
1106                 break;
1107         }
1108 }
1109
1110 void folderview_rename_folder(FolderView *folderview)
1111 {
1112         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1113         FolderItem *item;
1114
1115         if (!folderview->selected) return;
1116
1117         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1118         g_return_if_fail(item != NULL);
1119         g_return_if_fail(item->folder != NULL);
1120         if (!item->path) return;
1121         if (item->stype != F_NORMAL) return;
1122
1123         switch (item->folder->type) {
1124         case F_MBOX:
1125                 folderview_rename_mbox_folder_cb(folderview, 0, NULL);
1126         case F_MH:
1127         case F_MAILDIR:
1128                 folderview_rename_folder_cb(folderview, 0, NULL);
1129                 break;
1130         case F_IMAP:
1131         case F_NEWS:
1132         default:
1133                 break;
1134         }
1135 }
1136
1137 void folderview_delete_folder(FolderView *folderview)
1138 {
1139         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1140         FolderItem *item;
1141
1142         if (!folderview->selected) return;
1143
1144         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1145         g_return_if_fail(item != NULL);
1146         g_return_if_fail(item->folder != NULL);
1147         if (!item->path) return;
1148         if (item->stype != F_NORMAL) return;
1149
1150         switch (item->folder->type) {
1151         case F_MH:
1152         case F_MBOX:
1153         case F_MAILDIR:
1154                 folderview_delete_folder_cb(folderview, 0, NULL);
1155                 break;
1156         case F_IMAP:
1157                 folderview_rm_imap_folder_cb(folderview, 0, NULL);
1158         case F_NEWS:
1159         default:
1160                 break;
1161         }
1162 }
1163
1164
1165 /* callback functions */
1166
1167 static void folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1168                                       FolderView *folderview)
1169 {
1170         GtkCList *clist = GTK_CLIST(ctree);
1171         gint prev_row = -1, row = -1, column = -1;
1172         FolderItem *item;
1173         Folder *folder;
1174
1175         if (!event) return;
1176
1177         if (event->button == 1) {
1178                 folderview->open_folder = TRUE;
1179                 return;
1180         }
1181
1182         if (event->button == 2 || event->button == 3) {
1183                 /* right clicked */
1184                 if (clist->selection) {
1185                         GtkCTreeNode *node;
1186
1187                         node = GTK_CTREE_NODE(clist->selection->data);
1188                         if (node)
1189                                 prev_row = gtkut_ctree_get_nth_from_node
1190                                         (GTK_CTREE(ctree), node);
1191                 }
1192
1193                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1194                                                   &row, &column))
1195                         return;
1196                 if (prev_row != row) {
1197                         gtk_clist_unselect_all(clist);
1198                         if (event->button == 2)
1199                                 folderview_select_node
1200                                         (folderview,
1201                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1202                                                             row));
1203                         else
1204                                 gtk_clist_select_row(clist, row, column);
1205                 }
1206         }
1207
1208         if (event->button != 3) return;
1209
1210         item = gtk_clist_get_row_data(clist, row);
1211         g_return_if_fail(item != NULL);
1212         g_return_if_fail(item->folder != NULL);
1213         folder = item->folder;
1214
1215         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mail_popup));
1216         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->imap_popup));
1217         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->news_popup));
1218         menu_set_insensitive_all(GTK_MENU_SHELL(folderview->mbox_popup));
1219
1220         if (FOLDER_IS_LOCAL(folder) && item->parent == NULL) {
1221                 menu_set_sensitive(folderview->mail_factory,
1222                                    "/Create new folder...", TRUE);
1223                 menu_set_sensitive(folderview->mail_factory,
1224                                    "/Update folder tree", TRUE);
1225                 menu_set_sensitive(folderview->mail_factory,
1226                                    "/Remove mailbox", TRUE);
1227         } else if (FOLDER_IS_LOCAL(folder) && item->stype != F_NORMAL) {
1228                 menu_set_sensitive(folderview->mail_factory,
1229                                    "/Create new folder...", TRUE);
1230                 menu_set_sensitive(folderview->mail_factory,
1231                                    "/Scoring...", TRUE);
1232         } else if (FOLDER_IS_LOCAL(folder)) {
1233                 menu_set_sensitive(folderview->mail_factory,
1234                                    "/Create new folder...", TRUE);
1235                 menu_set_sensitive(folderview->mail_factory,
1236                                    "/Rename folder...", TRUE);
1237                 menu_set_sensitive(folderview->mail_factory,
1238                                    "/Delete folder", TRUE);
1239                 menu_set_sensitive(folderview->mail_factory,
1240                                    "/Scoring...", TRUE);
1241                 menu_set_sensitive(folderview->mail_factory,
1242                                    "/Property...", TRUE);
1243         } else if (folder->type == F_IMAP && item->parent == NULL) {
1244                 menu_set_sensitive(folderview->imap_factory,
1245                                    "/Create new folder...", TRUE);
1246                 menu_set_sensitive(folderview->imap_factory,
1247                                    "/Update folder tree", TRUE);
1248                 menu_set_sensitive(folderview->imap_factory,
1249                                    "/Remove IMAP4 account", TRUE);
1250         } else if (folder->type == F_IMAP && item->stype != F_NORMAL) {
1251                 menu_set_sensitive(folderview->imap_factory,
1252                                    "/Create new folder...", TRUE);
1253         } else if (folder->type == F_IMAP) {
1254                 menu_set_sensitive(folderview->imap_factory,
1255                                    "/Create new folder...", TRUE);
1256                 menu_set_sensitive(folderview->imap_factory,
1257                                    "/Delete folder", TRUE);
1258                 menu_set_sensitive(folderview->imap_factory,
1259                                    "/Scoring...", TRUE);
1260         } else if (folder->type == F_NEWS && item->parent == NULL) {
1261                 menu_set_sensitive(folderview->news_factory,
1262                                    "/Subscribe to newsgroup...", TRUE);
1263                 menu_set_sensitive(folderview->news_factory,
1264                                    "/Remove news account", TRUE);
1265         } else if (folder->type == F_NEWS) {
1266                 menu_set_sensitive(folderview->news_factory,
1267                                    "/Subscribe to newsgroup...", TRUE);
1268                 menu_set_sensitive(folderview->news_factory,
1269                                    "/Remove newsgroup", TRUE);
1270                 menu_set_sensitive(folderview->news_factory,
1271                                    "/Scoring...", TRUE);
1272         }
1273         if (folder->type == F_MBOX && item->parent == NULL) {
1274                 menu_set_sensitive(folderview->mbox_factory,
1275                                    "/Create new folder...", TRUE);
1276                 menu_set_sensitive(folderview->mbox_factory,
1277                                    "/Remove mailbox", TRUE);
1278         } else if (folder->type == F_MBOX && item->stype != F_NORMAL) {
1279                 menu_set_sensitive(folderview->mbox_factory,
1280                                    "/Create new folder...", TRUE);
1281                 menu_set_sensitive(folderview->mbox_factory,
1282                                    "/Scoring...", TRUE);
1283         } else if (folder->type == F_MBOX) {
1284                 menu_set_sensitive(folderview->mbox_factory,
1285                                    "/Create new folder...", TRUE);
1286                 menu_set_sensitive(folderview->mbox_factory,
1287                                    "/Rename folder...", TRUE);
1288                 menu_set_sensitive(folderview->mbox_factory,
1289                                    "/Delete folder", TRUE);
1290                 menu_set_sensitive(folderview->mbox_factory,
1291                                    "/Scoring...", TRUE);
1292         }
1293
1294         if (FOLDER_IS_LOCAL(folder))
1295                 gtk_menu_popup(GTK_MENU(folderview->mail_popup), NULL, NULL,
1296                                NULL, NULL, event->button, event->time);
1297         else if (folder->type == F_IMAP)
1298                 gtk_menu_popup(GTK_MENU(folderview->imap_popup), NULL, NULL,
1299                                NULL, NULL, event->button, event->time);
1300         else if (folder->type == F_NEWS)
1301                 gtk_menu_popup(GTK_MENU(folderview->news_popup), NULL, NULL,
1302                                NULL, NULL, event->button, event->time);
1303         else if (folder->type == F_MBOX)
1304                 gtk_menu_popup(GTK_MENU(folderview->mbox_popup), NULL, NULL,
1305                                NULL, NULL, event->button, event->time);
1306 }
1307
1308 static void folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1309                                        FolderView *folderview)
1310 {
1311         if (!event) return;
1312
1313         if (event->button == 1 && folderview->open_folder == FALSE &&
1314             folderview->opened != NULL) {
1315                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1316                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1317                                           folderview->opened);
1318         }
1319 }
1320
1321 #define BREAK_ON_MODIFIER_KEY() \
1322         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1323
1324 static void folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1325                                    FolderView *folderview)
1326 {
1327         if (!event) return;
1328
1329         switch (event->keyval) {
1330         case GDK_Return:
1331         case GDK_space:
1332                 if (folderview->selected) {
1333                         folderview_select_node(folderview,
1334                                                folderview->selected);
1335                 }
1336                 break;
1337         case GDK_v:
1338         case GDK_V:
1339         case GDK_g:
1340         case GDK_G:
1341         case GDK_x:
1342         case GDK_X:
1343         case GDK_w:
1344         case GDK_D:
1345         case GDK_Q:
1346                 BREAK_ON_MODIFIER_KEY();
1347                 summary_pass_key_press_event(folderview->summaryview, event);
1348         default:
1349         }
1350 }
1351
1352 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1353                                 gint column, FolderView *folderview)
1354 {
1355         static gboolean can_select = TRUE;      /* exclusive lock */
1356         gboolean opened;
1357         FolderItem *item;
1358
1359         folderview->selected = row;
1360
1361         if (folderview->opened == row) {
1362                 folderview->open_folder = FALSE;
1363                 return;
1364         }
1365
1366         if (!can_select) {
1367                 gtk_ctree_select(ctree, folderview->opened);
1368                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1369                 return;
1370         }
1371
1372         if (!folderview->open_folder) return;
1373
1374         item = gtk_ctree_node_get_row_data(ctree, row);
1375         if (!item) return;
1376
1377         can_select = FALSE;
1378
1379         if (item->path)
1380                 debug_print(_("Folder %s is selected\n"), item->path);
1381
1382         if (!GTK_CTREE_ROW(row)->children)
1383                 gtk_ctree_expand(ctree, row);
1384         if (folderview->opened &&
1385             !GTK_CTREE_ROW(folderview->opened)->children)
1386                 gtk_ctree_collapse(ctree, folderview->opened);
1387
1388         /* ungrab the mouse event */
1389         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1390                 gtk_grab_remove(GTK_WIDGET(ctree));
1391                 if (gdk_pointer_is_grabbed())
1392                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1393         }
1394
1395         opened = summary_show(folderview->summaryview, item, FALSE);
1396
1397         if (!opened) {
1398                 gtk_ctree_select(ctree, folderview->opened);
1399                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1400         } else
1401                 folderview->opened = row;
1402
1403         folderview->open_folder = FALSE;
1404         can_select = TRUE;
1405 }
1406
1407 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1408                                      FolderView *folderview)
1409 {
1410         FolderItem *item;
1411
1412         item = gtk_ctree_node_get_row_data(ctree, node);
1413         g_return_if_fail(item != NULL);
1414         item->collapsed = FALSE;
1415         folderview_update_node(folderview, node);
1416 }
1417
1418 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1419                                       FolderView *folderview)
1420 {
1421         FolderItem *item;
1422
1423         item = gtk_ctree_node_get_row_data(ctree, node);
1424         g_return_if_fail(item != NULL);
1425         item->collapsed= TRUE;
1426         folderview_update_node(folderview, node);
1427 }
1428
1429 static void folderview_popup_close(GtkMenuShell *menu_shell,
1430                                    FolderView *folderview)
1431 {
1432         if (!folderview->opened) return;
1433
1434         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1435         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1436                                   folderview->opened);
1437 }
1438
1439 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1440                                    FolderView *folderview)
1441 {
1442         switch (column) {
1443         case COL_FOLDER:
1444                 prefs_common.folder_col_folder = width;
1445                 break;
1446         case COL_NEW:
1447                 prefs_common.folder_col_new = width;
1448                 break;
1449         case COL_UNREAD:
1450                 prefs_common.folder_col_unread = width;
1451                 break;
1452         case COL_TOTAL:
1453                 prefs_common.folder_col_total = width;
1454                 break;
1455         default:
1456         }
1457 }
1458
1459 static GtkCTreeNode *folderview_find_by_name(GtkCTree *ctree,
1460                                              GtkCTreeNode *node,
1461                                              const gchar *name)
1462 {
1463         FolderItem *item;
1464
1465         if (!node)
1466                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1467         if (!node)
1468                 return NULL;
1469
1470         node = GTK_CTREE_ROW(node)->children;
1471
1472         while (node) {
1473                 item = gtk_ctree_node_get_row_data(ctree, node);
1474                 if (!folderview_compare_name(item, name))
1475                         return node;
1476                 node = GTK_CTREE_ROW(node)->sibling;
1477         }
1478
1479         return NULL;
1480 }
1481
1482 static void folderview_update_tree_cb(FolderView *folderview, guint action,
1483                                       GtkWidget *widget)
1484 {
1485         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1486         FolderItem *item;
1487
1488         if (!folderview->selected) return;
1489
1490         summary_show(folderview->summaryview, NULL, FALSE);
1491
1492         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1493         g_return_if_fail(item != NULL);
1494         g_return_if_fail(item->folder != NULL);
1495
1496         folderview_update_tree(item->folder);
1497 }
1498
1499 static void folderview_new_folder_cb(FolderView *folderview, guint action,
1500                                      GtkWidget *widget)
1501 {
1502         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1503         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1504         FolderItem *item;
1505         FolderItem *new_item;
1506         gchar *new_folder;
1507         GtkCTreeNode *node;
1508
1509         if (!folderview->selected) return;
1510
1511         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1512         g_return_if_fail(item != NULL);
1513         g_return_if_fail(item->folder != NULL);
1514
1515         new_folder = input_dialog(_("New folder"),
1516                                   _("Input the name of new folder:"),
1517                                   _("NewFolder"));
1518         if (!new_folder) return;
1519
1520         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1521                 alertpanel_error(_("`%c' can't be included in folder name."),
1522                                  G_DIR_SEPARATOR);
1523                 g_free(new_folder);
1524                 return;
1525         }
1526
1527         /* find whether the directory already exists */
1528         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1529                 alertpanel_error(_("The folder `%s' already exists."),
1530                                  new_folder);
1531                 g_free(new_folder);
1532                 return;
1533         }
1534
1535         new_item = item->folder->create_folder(item->folder, item, new_folder);
1536         g_free(new_folder);
1537         if (!new_item) return;
1538
1539         gtk_clist_freeze(GTK_CLIST(ctree));
1540
1541         text[COL_FOLDER] = new_item->name;
1542         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1543                                      FOLDER_SPACING,
1544                                      folderxpm, folderxpmmask,
1545                                      folderopenxpm, folderopenxpmmask,
1546                                      FALSE, FALSE);
1547         gtk_ctree_expand(ctree, folderview->selected);
1548         gtk_ctree_node_set_row_data(ctree, node, new_item);
1549         folderview_sort_folders(folderview, folderview->selected, item->folder);
1550
1551         gtk_clist_thaw(GTK_CLIST(ctree));
1552
1553         folder_write_list();
1554 }
1555
1556 static void folderview_new_mbox_folder_cb(FolderView *folderview, guint action,
1557                                           GtkWidget *widget)
1558 {
1559         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1560         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1561         FolderItem *item;
1562         FolderItem *new_item;
1563         gchar *new_folder;
1564         GtkCTreeNode *node;
1565
1566         if (!folderview->selected) return;
1567
1568         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1569         g_return_if_fail(item != NULL);
1570         g_return_if_fail(item->folder != NULL);
1571
1572         new_folder = input_dialog(_("New folder"),
1573                                   _("Input the name of new folder:"),
1574                                   _("NewFolder"));
1575         if (!new_folder) return;
1576
1577         /* find whether the directory already exists */
1578         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1579                 alertpanel_error(_("The folder `%s' already exists."),
1580                                  new_folder);
1581                 g_free(new_folder);
1582                 return;
1583         }
1584
1585         new_item = item->folder->create_folder(item->folder, item, new_folder);
1586         g_free(new_folder);
1587         if (!new_item) return;
1588
1589         gtk_clist_freeze(GTK_CLIST(ctree));
1590
1591         text[COL_FOLDER] = new_item->name;
1592         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1593                                      FOLDER_SPACING,
1594                                      folderxpm, folderxpmmask,
1595                                      folderopenxpm, folderopenxpmmask,
1596                                      FALSE, FALSE);
1597         gtk_ctree_expand(ctree, folderview->selected);
1598         gtk_ctree_node_set_row_data(ctree, node, new_item);
1599         folderview_sort_folders(folderview, folderview->selected, item->folder);
1600
1601         gtk_clist_thaw(GTK_CLIST(ctree));
1602
1603         folder_write_list();
1604 }
1605
1606 static void folderview_rename_folder_cb(FolderView *folderview, guint action,
1607                                         GtkWidget *widget)
1608 {
1609         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1610         FolderItem *item;
1611         gchar *new_folder;
1612         gchar *message;
1613
1614         if (!folderview->selected) return;
1615
1616         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1617         g_return_if_fail(item != NULL);
1618         g_return_if_fail(item->path != NULL);
1619         g_return_if_fail(item->folder != NULL);
1620
1621         message = g_strdup_printf(_("Input new name for `%s':"),
1622                                   g_basename(item->path));
1623         new_folder = input_dialog(_("Rename folder"), message,
1624                                   g_basename(item->path));
1625         g_free(message);
1626         if (!new_folder) return;
1627
1628         if (strchr(new_folder, G_DIR_SEPARATOR) != NULL) {
1629                 alertpanel_error(_("`%c' can't be included in folder name."),
1630                                  G_DIR_SEPARATOR);
1631                 g_free(new_folder);
1632                 return;
1633         }
1634
1635         if (folderview_find_by_name
1636                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1637                  new_folder)) {
1638                 alertpanel_error(_("The folder `%s' already exists."),
1639                                  new_folder);
1640                 g_free(new_folder);
1641                 return;
1642         }
1643
1644         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1645                 g_free(new_folder);
1646                 return;
1647         }
1648         g_free(new_folder);
1649
1650         gtk_clist_freeze(GTK_CLIST(ctree));
1651
1652         folderview_update_node(folderview, folderview->selected);
1653         folderview_sort_folders(folderview,
1654                                 GTK_CTREE_ROW(folderview->selected)->parent,
1655                                 item->folder);
1656         if (folderview->opened == folderview->selected) {
1657                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1658                         gtk_ctree_expand(ctree, folderview->opened);
1659                 summary_show(folderview->summaryview, item, FALSE);
1660         }
1661
1662         gtk_clist_thaw(GTK_CLIST(ctree));
1663
1664         folder_write_list();
1665 }
1666
1667 static void folderview_rename_mbox_folder_cb(FolderView *folderview,
1668                                              guint action,
1669                                              GtkWidget *widget)
1670 {
1671         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1672         FolderItem *item;
1673         gchar *new_folder;
1674         gchar *message;
1675
1676         if (!folderview->selected) return;
1677
1678         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1679         g_return_if_fail(item != NULL);
1680         g_return_if_fail(item->path != NULL);
1681         g_return_if_fail(item->folder != NULL);
1682
1683         message = g_strdup_printf(_("Input new name for `%s':"),
1684                                   g_basename(item->path));
1685         new_folder = input_dialog(_("Rename folder"), message,
1686                                   g_basename(item->path));
1687         g_free(message);
1688         if (!new_folder) return;
1689
1690         if (folderview_find_by_name
1691                 (ctree, GTK_CTREE_ROW(folderview->selected)->parent,
1692                  new_folder)) {
1693                 alertpanel_error(_("The folder `%s' already exists."),
1694                                  new_folder);
1695                 g_free(new_folder);
1696                 return;
1697         }
1698
1699         if (item->folder->rename_folder(item->folder, item, new_folder) < 0) {
1700                 g_free(new_folder);
1701                 return;
1702         }
1703         g_free(new_folder);
1704
1705         gtk_clist_freeze(GTK_CLIST(ctree));
1706
1707         folderview_update_node(folderview, folderview->selected);
1708         folderview_sort_folders(folderview,
1709                                 GTK_CTREE_ROW(folderview->selected)->parent,
1710                                 item->folder);
1711         if (folderview->opened == folderview->selected) {
1712                 if (!GTK_CTREE_ROW(folderview->opened)->children)
1713                         gtk_ctree_expand(ctree, folderview->opened);
1714                 summary_show(folderview->summaryview, item, FALSE);
1715         }
1716
1717         gtk_clist_thaw(GTK_CLIST(ctree));
1718
1719         folder_write_list();
1720 }
1721
1722 static void folderview_delete_folder_cb(FolderView *folderview, guint action,
1723                                         GtkWidget *widget)
1724 {
1725         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1726         FolderItem *item;
1727         gchar *message;
1728         AlertValue avalue;
1729
1730         if (!folderview->selected) return;
1731
1732         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1733         g_return_if_fail(item != NULL);
1734         g_return_if_fail(item->path != NULL);
1735         g_return_if_fail(item->folder != NULL);
1736
1737         message = g_strdup_printf
1738                 (_("All folder(s) and message(s) under `%s' will be deleted.\n"
1739                    "Do you really want to delete?"),
1740                  g_basename(item->path));
1741         avalue = alertpanel(_("Delete folder"), message,
1742                             _("Yes"), _("+No"), NULL);
1743         g_free(message);
1744         if (avalue != G_ALERTDEFAULT) return;
1745
1746         if (item->folder->remove_folder(item->folder, item) < 0) {
1747                 alertpanel_error(_("Can't remove the folder `%s'."),
1748                                  item->path);
1749                 return;
1750         }
1751
1752         if (folderview->opened == folderview->selected ||
1753             gtk_ctree_is_ancestor(ctree,
1754                                   folderview->selected,
1755                                   folderview->opened)) {
1756                 summary_clear_all(folderview->summaryview);
1757                 folderview->opened = NULL;
1758         }
1759
1760         gtk_ctree_remove_node(ctree, folderview->selected);
1761         folder_write_list();
1762 }
1763
1764 static void folderview_remove_mailbox_cb(FolderView *folderview, guint action,
1765                                          GtkWidget *widget)
1766 {
1767         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1768         GtkCTreeNode *node;
1769         FolderItem *item;
1770         gchar *message;
1771         AlertValue avalue;
1772
1773         if (!folderview->selected) return;
1774         node = folderview->selected;
1775         item = gtk_ctree_node_get_row_data(ctree, node);
1776         g_return_if_fail(item != NULL);
1777         g_return_if_fail(item->folder != NULL);
1778         if (item->parent) return;
1779
1780         message = g_strdup_printf
1781                 (_("Really remove the mailbox `%s' ?\n"
1782                    "(The messages are NOT deleted from disk)"),
1783                  item->folder->name);
1784         avalue = alertpanel(_("Remove folder"), message,
1785                             _("Yes"), _("+No"), NULL);
1786         g_free(message);
1787         if (avalue != G_ALERTDEFAULT) return;
1788
1789         folder_destroy(item->folder);
1790         summary_clear_all(folderview->summaryview);
1791         folderview_unselect(folderview);
1792         gtk_ctree_remove_node(ctree, node);
1793         folder_write_list();
1794 }
1795
1796 static void folderview_new_imap_folder_cb(FolderView *folderview, guint action,
1797                                           GtkWidget *widget)
1798 {
1799         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1800         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1801         GtkCTreeNode *node;
1802         FolderItem *item;
1803         FolderItem *new_item;
1804         gchar *new_folder;
1805         gchar *p;
1806
1807         if (!folderview->selected) return;
1808
1809         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1810         g_return_if_fail(item != NULL);
1811         g_return_if_fail(item->folder != NULL);
1812         g_return_if_fail(item->folder->type == F_IMAP);
1813         g_return_if_fail(item->folder->account != NULL);
1814
1815         new_folder = input_dialog
1816                 (_("New folder"),
1817                  _("Input the name of new folder:\n"
1818                    "(if you want to create a folder to store subfolders,\n"
1819                    " append `/' at the end of the name)"),
1820                  _("NewFolder"));
1821         if (!new_folder) return;
1822
1823         if ((p = strchr(new_folder, G_DIR_SEPARATOR)) != NULL &&
1824             *(p + 1) != '\0') {
1825                 alertpanel_error(_("`%c' can't be included in folder name."),
1826                                  G_DIR_SEPARATOR);
1827                 g_free(new_folder);
1828                 return;
1829         }
1830
1831         /* find whether the directory already exists */
1832         if (folderview_find_by_name(ctree, folderview->selected, new_folder)) {
1833                 alertpanel_error(_("The folder `%s' already exists."),
1834                                  new_folder);
1835                 g_free(new_folder);
1836                 return;
1837         }
1838
1839         new_item = item->folder->create_folder(item->folder, item, new_folder);
1840         if (!new_item) {
1841                 alertpanel_error(_("Can't create the folder `%s'."),
1842                                  new_folder);
1843                 g_free(new_folder);
1844                 return;
1845         }
1846         g_free(new_folder);
1847
1848         gtk_clist_freeze(GTK_CLIST(ctree));
1849
1850         text[COL_FOLDER] = new_item->name;
1851         node = gtk_ctree_insert_node(ctree, folderview->selected, NULL, text,
1852                                      FOLDER_SPACING,
1853                                      folderxpm, folderxpmmask,
1854                                      folderopenxpm, folderopenxpmmask,
1855                                      FALSE, FALSE);
1856         gtk_ctree_expand(ctree, folderview->selected);
1857         gtk_ctree_node_set_row_data(ctree, node, new_item);
1858         folderview_sort_folders(folderview, folderview->selected, item->folder);
1859
1860         gtk_clist_thaw(GTK_CLIST(ctree));
1861
1862         folder_write_list();
1863 }
1864
1865 static void folderview_rm_imap_folder_cb(FolderView *folderview, guint action,
1866                                          GtkWidget *widget)
1867 {
1868         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1869         FolderItem *item;
1870         gchar *message;
1871         AlertValue avalue;
1872
1873         if (!folderview->selected) return;
1874
1875         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1876         g_return_if_fail(item != NULL);
1877         g_return_if_fail(item->folder != NULL);
1878         g_return_if_fail(item->folder->type == F_IMAP);
1879         g_return_if_fail(item->folder->account != NULL);
1880
1881         message = g_strdup_printf(_("Really delete folder `%s'?"),
1882                                   g_basename(item->path));
1883         avalue = alertpanel(_("Delete folder"), message,
1884                             _("Yes"), _("+No"), NULL);
1885         g_free(message);
1886         if (avalue != G_ALERTDEFAULT) return;
1887
1888         if (item->folder->remove_folder(item->folder, item) < 0) {
1889                 alertpanel_error(_("Can't remove the folder `%s'."),
1890                                  item->path);
1891                 if (folderview->opened == folderview->selected)
1892                         summary_show(folderview->summaryview,
1893                                      folderview->summaryview->folder_item,
1894                                      FALSE);
1895                 return;
1896         }
1897
1898         if (folderview->opened == folderview->selected ||
1899             gtk_ctree_is_ancestor(ctree,
1900                                   folderview->selected,
1901                                   folderview->opened)) {
1902                 summary_clear_all(folderview->summaryview);
1903                 folderview->opened = NULL;
1904         }
1905
1906         gtk_ctree_remove_node(ctree, folderview->selected);
1907         folder_write_list();
1908 }
1909
1910 static void folderview_rm_imap_server_cb(FolderView *folderview, guint action,
1911                                          GtkWidget *widget)
1912 {
1913         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1914         FolderItem *item;
1915         gchar *message;
1916         AlertValue avalue;
1917
1918         if (!folderview->selected) return;
1919
1920         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1921         g_return_if_fail(item != NULL);
1922         g_return_if_fail(item->folder != NULL);
1923         g_return_if_fail(item->folder->type == F_IMAP);
1924         g_return_if_fail(item->folder->account != NULL);
1925
1926         message = g_strdup_printf(_("Really delete IMAP4 account `%s'?"),
1927                                   item->folder->name);
1928         avalue = alertpanel(_("Delete IMAP4 account"), message,
1929                             _("Yes"), _("+No"), NULL);
1930         g_free(message);
1931
1932         if (avalue != G_ALERTDEFAULT) return;
1933
1934         if (folderview->opened == folderview->selected ||
1935             gtk_ctree_is_ancestor(ctree,
1936                                   folderview->selected,
1937                                   folderview->opened)) {
1938                 summary_clear_all(folderview->summaryview);
1939                 folderview->opened = NULL;
1940         }
1941
1942         account_destroy(item->folder->account);
1943         folder_destroy(item->folder);
1944         gtk_ctree_remove_node(ctree, folderview->selected);
1945         account_set_menu();
1946         main_window_reflect_prefs_all();
1947         folder_write_list();
1948 }
1949
1950 static void folderview_new_news_group_cb(FolderView *folderview, guint action,
1951                                          GtkWidget *widget)
1952 {
1953         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1954         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1955         GtkCTreeNode *servernode, *node;
1956         FolderItem *item;
1957         FolderItem *newitem;
1958         gchar *new_group;
1959         const gchar *server;
1960
1961         if (!folderview->selected) return;
1962
1963         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1964         g_return_if_fail(item != NULL);
1965         g_return_if_fail(item->folder != NULL);
1966         g_return_if_fail(item->folder->type == F_NEWS);
1967         g_return_if_fail(item->folder->account != NULL);
1968
1969         new_group = grouplist_dialog(item->folder);
1970         if (!new_group) return;
1971
1972         if (GTK_CTREE_ROW(folderview->selected)->parent != NULL)
1973                 servernode = GTK_CTREE_ROW(folderview->selected)->parent;
1974         else
1975                 servernode = folderview->selected;
1976
1977         if (folderview_find_by_name(ctree, servernode, new_group)) {
1978                 alertpanel_error(_("The newsgroup `%s' already exists."),
1979                                  new_group);
1980                 g_free(new_group);
1981                 return;
1982         }
1983
1984         gtk_clist_freeze(GTK_CLIST(ctree));
1985
1986         text[COL_FOLDER] = new_group;
1987         node = gtk_ctree_insert_node(ctree, servernode, NULL, text,
1988                                      FOLDER_SPACING,
1989                                      folderxpm, folderxpmmask,
1990                                      folderopenxpm, folderopenxpmmask,
1991                                      FALSE, FALSE);
1992         gtk_ctree_expand(ctree, servernode);
1993
1994         item = gtk_ctree_node_get_row_data(ctree, servernode);
1995         server = item->folder->account->nntp_server;
1996
1997         newitem = folder_item_new(new_group, new_group);
1998         g_free(new_group);
1999         folder_item_append(item, newitem);
2000         gtk_ctree_node_set_row_data(ctree, node, newitem);
2001         gtk_ctree_sort_node(ctree, servernode);
2002
2003         gtk_clist_thaw(GTK_CLIST(ctree));
2004
2005         folder_write_list();
2006 }
2007
2008 static void folderview_rm_news_group_cb(FolderView *folderview, guint action,
2009                                         GtkWidget *widget)
2010 {
2011         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2012         FolderItem *item;
2013         gchar *message;
2014         AlertValue avalue;
2015
2016         if (!folderview->selected) return;
2017
2018         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2019         g_return_if_fail(item != NULL);
2020         g_return_if_fail(item->folder != NULL);
2021         g_return_if_fail(item->folder->type == F_NEWS);
2022         g_return_if_fail(item->folder->account != NULL);
2023
2024         message = g_strdup_printf(_("Really delete newsgroup `%s'?"),
2025                                   g_basename(item->path));
2026         avalue = alertpanel(_("Delete newsgroup"), message,
2027                             _("Yes"), _("+No"), NULL);
2028         g_free(message);
2029         if (avalue != G_ALERTDEFAULT) return;
2030
2031         if (folderview->opened == folderview->selected) {
2032                 summary_clear_all(folderview->summaryview);
2033                 folderview->opened = NULL;
2034         }
2035
2036         folder_item_remove(item);
2037         gtk_ctree_remove_node(ctree, folderview->selected);
2038         folder_write_list();
2039 }
2040
2041 static void folderview_rm_news_server_cb(FolderView *folderview, guint action,
2042                                          GtkWidget *widget)
2043 {
2044         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2045         FolderItem *item;
2046         gchar *message;
2047         AlertValue avalue;
2048
2049         if (!folderview->selected) return;
2050
2051         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2052         g_return_if_fail(item != NULL);
2053         g_return_if_fail(item->folder != NULL);
2054         g_return_if_fail(item->folder->type == F_NEWS);
2055         g_return_if_fail(item->folder->account != NULL);
2056
2057         message = g_strdup_printf(_("Really delete news account `%s'?"),
2058                                   item->folder->name);
2059         avalue = alertpanel(_("Delete news account"), message,
2060                             _("Yes"), _("+No"), NULL);
2061         g_free(message);
2062
2063         if (avalue != G_ALERTDEFAULT) return;
2064
2065         if (folderview->opened == folderview->selected ||
2066             gtk_ctree_is_ancestor(ctree,
2067                                   folderview->selected,
2068                                   folderview->opened)) {
2069                 summary_clear_all(folderview->summaryview);
2070                 folderview->opened = NULL;
2071         }
2072
2073         account_destroy(item->folder->account);
2074         folder_destroy(item->folder);
2075         gtk_ctree_remove_node(ctree, folderview->selected);
2076         account_set_menu();
2077         main_window_reflect_prefs_all();
2078         folder_write_list();
2079 }
2080
2081 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2082                                           GdkDragContext *context,
2083                                           gint            x,
2084                                           gint            y,
2085                                           guint           time,
2086                                           FolderView     *folderview)
2087 {
2088         gint row, column;
2089         FolderItem *item, *current_item;
2090         GtkCTreeNode *node = NULL;
2091         gboolean acceptable = FALSE;
2092
2093         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
2094                                          x - 24, y - 24, &row, &column)) {
2095                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2096                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2097                 current_item = folderview->summaryview->folder_item;
2098                 if (item != NULL &&
2099                     item->path != NULL &&
2100                     current_item != NULL &&
2101                     current_item != item) {
2102                         switch (item->folder->type){
2103                         case F_MH:
2104                                 if (current_item->folder->type == F_MH)
2105                                     acceptable = TRUE;
2106                                 break;
2107                         case F_IMAP:
2108                                 if (current_item->folder->account == item->folder->account)
2109                                     acceptable = TRUE;
2110                                 break;
2111                         default:
2112                         }
2113                 }
2114         }
2115
2116         if (acceptable) {
2117                 gtk_ctree_select(GTK_CTREE(widget), node);
2118                 gdk_drag_status(context, context->suggested_action, time);
2119         } else {
2120                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2121                 gdk_drag_status(context, 0, time);
2122         }
2123
2124         return acceptable;
2125 }
2126
2127 static void folderview_drag_leave_cb(GtkWidget      *widget,
2128                                      GdkDragContext *context,
2129                                      guint           time,
2130                                      FolderView     *folderview)
2131 {
2132         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2133 }
2134
2135 static void folderview_drag_received_cb(GtkWidget        *widget,
2136                                         GdkDragContext   *drag_context,
2137                                         gint              x,
2138                                         gint              y,
2139                                         GtkSelectionData *data,
2140                                         guint             info,
2141                                         guint             time,
2142                                         FolderView       *folderview)
2143 {
2144         gint row, column;
2145         FolderItem *item;
2146         GtkCTreeNode *node;
2147
2148         if (gtk_clist_get_selection_info(GTK_CLIST(widget),
2149                                          x - 24, y - 24, &row, &column) == 0)
2150                 return;
2151
2152         node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2153         item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2154         if (item != NULL) {
2155                 summary_move_selected_to(folderview->summaryview, item);
2156                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2157         } else
2158                 gtk_drag_finish(drag_context, FALSE, FALSE, time);
2159 }
2160
2161 static gint folderview_compare_name(gconstpointer a, gconstpointer b)
2162 {
2163         const FolderItem *item = a;
2164         const gchar *name = b;
2165
2166         if (!item->path) return -1;
2167         return strcmp2(g_basename(item->path), name);
2168 }
2169
2170 static void folderview_scoring_cb(FolderView *folderview, guint action,
2171                                    GtkWidget *widget)
2172 {
2173         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2174         FolderItem *item;
2175
2176         if (!folderview->selected) return;
2177
2178         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2179         g_return_if_fail(item != NULL);
2180         g_return_if_fail(item->folder != NULL);
2181
2182         prefs_scoring_open(item);
2183 }
2184
2185 static void folderview_property_cb(FolderView *folderview, guint action, GtkWidget *widget) {
2186         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2187         FolderItem *item;
2188
2189         if (!folderview->selected) return;
2190
2191         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2192         g_return_if_fail(item != NULL);
2193         g_return_if_fail(item->folder != NULL);
2194
2195         prefs_folder_item_create(item);
2196 }
2197
2198 void folderview_set_target_folder_color(gint color_op) {
2199         GList *list;
2200         FolderView *folderview;
2201
2202         for (list = folderview_list; list != NULL; list = list->next) {
2203                 folderview = (FolderView *)list->data;
2204                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2205         }
2206 }