src/folderview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 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 <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkwidget.h>
  26 #include <gtk/gtkscrolledwindow.h>
  27 #include <gtk/gtkctree.h>
  28 #include <gtk/gtkcontainer.h>
  29 #include <gtk/gtkclist.h>
  30 #include <gtk/gtkstyle.h>
  31 #include <gtk/gtksignal.h>
  32 #include <gtk/gtkmain.h>
  33 #include <gtk/gtkstatusbar.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkitemfactory.h>
  37 #include <stdio.h>
  38 #include <string.h>
  39 #include <stdlib.h>
  40
  41 #include "main.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "summary_search.h"
  46 #include "inputdialog.h"
  47 #include "manage_window.h"
  48 #include "alertpanel.h"
  49 #include "menu.h"
  50 #include "stock_pixmap.h"
  51 #include "procmsg.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "prefs_common.h"
  55 #include "prefs_account.h"
  56 #include "prefs_filtering.h"
  57 #include "prefs_folder_item.h"
  58 #include "account.h"
  59 #include "folder.h"
  60 #include "foldersel.h"
  61 #include "inc.h"
  62 #include "statusbar.h"
  63 #include "hooks.h"
  64 #include "folderutils.h"
  65 #include "partial_download.h"
  66
  67 typedef enum
  68 {
  69         COL_FOLDER      = 0,
  70         COL_NEW         = 1,
  71         COL_UNREAD      = 2,
  72         COL_TOTAL       = 3
  73 } FolderColumnPos;
  74
  75 #define N_FOLDER_COLS           4
  76 #define COL_FOLDER_WIDTH        150
  77 #define COL_NUM_WIDTH           32
  78
  79 static GList *folderview_list = NULL;
  80
  81 static GtkStyle *normal_style;
  82 static GtkStyle *normal_color_style;
  83 static GtkStyle *bold_style;
  84 static GtkStyle *bold_color_style;
  85 static GtkStyle *bold_tgtfold_style;
  86
  87 static GdkBitmap *inboxxpm;
  88 static GdkBitmap *inboxxpmmask;
  89 static GdkPixmap *inboxhrmxpm;
  90 static GdkBitmap *inboxhrmxpmmask;
  91 static GdkPixmap *inboxopenxpm;
  92 static GdkBitmap *inboxopenxpmmask;
  93 static GdkPixmap *inboxopenhrmxpm;
  94 static GdkBitmap *inboxopenhrmxpmmask;
  95 static GdkPixmap *outboxxpm;
  96 static GdkBitmap *outboxxpmmask;
  97 static GdkPixmap *outboxhrmxpm;
  98 static GdkBitmap *outboxhrmxpmmask;
  99 static GdkPixmap *outboxopenxpm;
 100 static GdkBitmap *outboxopenxpmmask;
 101 static GdkPixmap *outboxopenhrmxpm;
 102 static GdkBitmap *outboxopenhrmxpmmask;
 103 static GdkPixmap *folderxpm;
 104 static GdkBitmap *folderxpmmask;
 105 static GdkPixmap *folderhrmxpm;
 106 static GdkBitmap *folderhrmxpmmask;
 107 static GdkPixmap *folderopenxpm;
 108 static GdkBitmap *folderopenxpmmask;
 109 static GdkPixmap *folderopenhrmxpm;
 110 static GdkBitmap *folderopenhrmxpmmask;
 111 static GdkPixmap *trashopenxpm;
 112 static GdkBitmap *trashopenxpmmask;
 113 static GdkPixmap *trashopenhrmxpm;
 114 static GdkBitmap *trashopenhrmxpmmask;
 115 static GdkPixmap *trashxpm;
 116 static GdkBitmap *trashxpmmask;
 117 static GdkPixmap *trashhrmxpm;
 118 static GdkBitmap *trashhrmxpmmask;
 119 static GdkPixmap *queuexpm;
 120 static GdkBitmap *queuexpmmask;
 121 static GdkPixmap *queuehrmxpm;
 122 static GdkBitmap *queuehrmxpmmask;
 123 static GdkPixmap *queueopenxpm;
 124 static GdkBitmap *queueopenxpmmask;
 125 static GdkPixmap *queueopenhrmxpm;
 126 static GdkBitmap *queueopenhrmxpmmask;
 127 static GdkPixmap *newxpm;
 128 static GdkBitmap *newxpmmask;
 129 static GdkPixmap *unreadxpm;
 130 static GdkBitmap *unreadxpmmask;
 131 static GdkPixmap *readxpm;
 132 static GdkBitmap *readxpmmask;
 133 static GdkPixmap *draftsxpm;
 134 static GdkBitmap *draftsxpmmask;
 135 static GdkPixmap *draftsopenxpm;
 136 static GdkBitmap *draftsopenxpmmask;
 137
 138 static void folderview_select_node       (FolderView    *folderview,
 139                                           GtkCTreeNode  *node);
 140 static void folderview_set_folders       (FolderView    *folderview);
 141 static void folderview_sort_folders      (FolderView    *folderview,
 142                                           GtkCTreeNode  *root,
 143                                           Folder        *folder);
 144 static void folderview_append_folder     (FolderView    *folderview,
 145                                           Folder        *folder);
 146 static void folderview_update_node       (FolderView    *folderview,
 147                                           GtkCTreeNode  *node);
 148
 149 static gint folderview_clist_compare    (GtkCList       *clist,
 150                                          gconstpointer   ptr1,
 151                                          gconstpointer   ptr2);
 152
 153 /* callback functions */
 154 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 155                                                  GdkEventButton *event,
 156                                                  FolderView     *folderview);
 157 static gboolean folderview_button_released      (GtkWidget      *ctree,
 158                                                  GdkEventButton *event,
 159                                                  FolderView     *folderview);
 160 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 161                                          GdkEventKey    *event,
 162                                          FolderView     *folderview);
 163 static void folderview_selected         (GtkCTree       *ctree,
 164                                          GtkCTreeNode   *row,
 165                                          gint            column,
 166                                          FolderView     *folderview);
 167 static void folderview_tree_expanded    (GtkCTree       *ctree,
 168                                          GtkCTreeNode   *node,
 169                                          FolderView     *folderview);
 170 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 171                                          GtkCTreeNode   *node,
 172                                          FolderView     *folderview);
 173 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 174                                          FolderView     *folderview);
 175 static void folderview_col_resized      (GtkCList       *clist,
 176                                          gint            column,
 177                                          gint            width,
 178                                          FolderView     *folderview);
 179
 180 static void mark_all_read_cb            (FolderView    *folderview,
 181                                          guint           action,
 182                                          GtkWidget      *widget);
 183
 184 static void folderview_empty_trash_cb   (FolderView     *folderview,
 185                                          guint           action,
 186                                          GtkWidget      *widget);
 187
 188 static void folderview_search_cb        (FolderView     *folderview,
 189                                          guint           action,
 190                                          GtkWidget      *widget);
 191
 192 static void folderview_property_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_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 215                                           FolderView       *folderview);
 216 static void folderview_drag_data_get     (GtkWidget        *widget,
 217                                           GdkDragContext   *drag_context,
 218                                           GtkSelectionData *selection_data,
 219                                           guint             info,
 220                                           guint             time,
 221                                           FolderView       *folderview);
 222 static void folderview_drag_end_cb       (GtkWidget        *widget,
 223                                           GdkDragContext   *drag_context,
 224                                           FolderView       *folderview);
 225
 226 void folderview_create_folder_node       (FolderView       *folderview,
 227                                           FolderItem       *item);
 228 gboolean folderview_update_folder        (gpointer          source,
 229                                           gpointer          userdata);
 230 gboolean folderview_update_item_claws    (gpointer          source,
 231                                           gpointer          data);
 232 static void folderview_processing_cb(FolderView *folderview, guint action,
 233                                      GtkWidget *widget);
 234
 235 GHashTable *folderview_popups;
 236
 237 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 238 {
 239         {N_("/Mark all _read"),         NULL, mark_all_read_cb, 0, NULL},
 240         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 241         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 242         {N_("/Pr_ocessing..."),         NULL, folderview_processing_cb, 0, NULL},
 243 };
 244
 245 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 246         {N_("/------"),                 NULL, NULL, 0, "<Separator>"},
 247         {N_("/Empty trash..."),         NULL, folderview_empty_trash_cb, 0, NULL},
 248 };
 249
 250
 251 GtkTargetEntry folderview_drag_types[] =
 252 {
 253         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 254 };
 255
 256 void folderview_initialize(void)
 257 {
 258         FolderViewPopup *fpopup;
 259         guint i, n_entries;
 260         GSList *entries = NULL;
 261
 262         fpopup = g_new0(FolderViewPopup, 1);
 263
 264         n_entries = sizeof(folderview_common_popup_entries) /
 265                 sizeof(folderview_common_popup_entries[0]);
 266         for (i = 0; i < n_entries; i++)
 267                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 268
 269         fpopup->klass = "common";
 270         fpopup->path = "<CommonFolder>";
 271         fpopup->entries = entries;
 272         fpopup->set_sensitivity = NULL;
 273
 274         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 275         g_hash_table_insert(folderview_popups, "common", fpopup);
 276 }
 277
 278 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 279 {
 280         GSList *entries;
 281         GtkItemFactory *factory;
 282         FolderViewPopup *fpopup_common;
 283         GtkWidget *popup;
 284
 285         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 286         gtk_item_factory_set_translate_func(factory, menu_translate,
 287                                             NULL, NULL);
 288
 289         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 290                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 291
 292         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 293         if (fpopup_common != fpopup)
 294                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 295                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 296
 297         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 298         g_signal_connect(G_OBJECT(popup), "selection_done",
 299                          G_CALLBACK(folderview_popup_close),
 300                          folderview);
 301
 302         return factory;
 303 }
 304
 305 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 306 {
 307         FolderView *folderview = data;
 308         FolderViewPopup *fpopup = value;
 309         GtkItemFactory *factory;
 310
 311         factory = create_ifactory(folderview, fpopup);
 312         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 313 }
 314
 315 FolderView *folderview_create(void)
 316 {
 317         FolderView *folderview;
 318         GtkWidget *scrolledwin;
 319         GtkWidget *ctree;
 320         gchar *titles[N_FOLDER_COLS];
 321         gint i;
 322
 323         debug_print("Creating folder view...\n");
 324         folderview = g_new0(FolderView, 1);
 325
 326         titles[COL_FOLDER] = _("Folder");
 327         titles[COL_NEW]    = _("New");
 328         titles[COL_UNREAD] = _("Unread");
 329         titles[COL_TOTAL]  = _("#");
 330
 331         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 332         gtk_scrolled_window_set_policy
 333                 (GTK_SCROLLED_WINDOW(scrolledwin),
 334                  GTK_POLICY_AUTOMATIC,
 335                  prefs_common.folderview_vscrollbar_policy);
 336         gtk_widget_set_size_request(scrolledwin,
 337                              prefs_common.folderview_width,
 338                              prefs_common.folderview_height);
 339
 340         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, COL_FOLDER, titles);
 341
 342         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 343         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 344         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_NEW,
 345                                            GTK_JUSTIFY_RIGHT);
 346         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_UNREAD,
 347                                            GTK_JUSTIFY_RIGHT);
 348         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_TOTAL,
 349                                            GTK_JUSTIFY_RIGHT);
 350         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_FOLDER,
 351                                    prefs_common.folder_col_folder);
 352         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_NEW,
 353                                    prefs_common.folder_col_new);
 354         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_UNREAD,
 355                                    prefs_common.folder_col_unread);
 356         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_TOTAL,
 357                                    prefs_common.folder_col_total);
 358         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 359         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 360                                      GTK_CTREE_EXPANDER_SQUARE);
 361         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 362         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 363
 364         /* create popup factories */
 365         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 366         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 367
 368         /* don't let title buttons take key focus */
 369         for (i = 0; i < N_FOLDER_COLS; i++)
 370                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 371                                        GTK_CAN_FOCUS);
 372
 373
 374         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 375                          G_CALLBACK(folderview_key_pressed),
 376                          folderview);
 377         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 378                          G_CALLBACK(folderview_button_pressed),
 379                          folderview);
 380         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 381                          G_CALLBACK(folderview_button_released),
 382                          folderview);
 383         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 384                          G_CALLBACK(folderview_selected), folderview);
 385         g_signal_connect(G_OBJECT(ctree), "start_drag",
 386                          G_CALLBACK(folderview_start_drag), folderview);
 387         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 388                          G_CALLBACK(folderview_drag_data_get),
 389                          folderview);
 390
 391         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 392                                G_CALLBACK(folderview_tree_expanded),
 393                                folderview);
 394         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 395                                G_CALLBACK(folderview_tree_collapsed),
 396                                folderview);
 397
 398         g_signal_connect(G_OBJECT(ctree), "resize_column",
 399                          G_CALLBACK(folderview_col_resized),
 400                          folderview);
 401
 402         /* drop callback */
 403         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 404                           summary_drag_types, 1,
 405                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 406         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 407                          G_CALLBACK(folderview_drag_motion_cb),
 408                          folderview);
 409         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 410                          G_CALLBACK(folderview_drag_leave_cb),
 411                          folderview);
 412         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 413                          G_CALLBACK(folderview_drag_received_cb),
 414                          folderview);
 415         g_signal_connect(G_OBJECT(ctree), "drag_end",
 416                          G_CALLBACK(folderview_drag_end_cb),
 417                          folderview);
 418
 419         folderview->scrolledwin  = scrolledwin;
 420         folderview->ctree        = ctree;
 421
 422         folderview->folder_update_callback_id =
 423                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 424         folderview->folder_item_update_callback_id =
 425                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 426
 427         gtk_widget_show_all(scrolledwin);
 428
 429         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 430         folderview_list = g_list_append(folderview_list, folderview);
 431
 432         return folderview;
 433 }
 434
 435 void folderview_init(FolderView *folderview)
 436 {
 437         GtkWidget *ctree = folderview->ctree;
 438         GtkWidget *label_new;
 439         GtkWidget *label_unread;
 440         GtkWidget *label_total;
 441         GtkWidget *hbox_new;
 442         GtkWidget *hbox_unread;
 443         GtkWidget *hbox_total;
 444
 445         gtk_widget_realize(ctree);
 446         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 447         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 448         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 449         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 450         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 451         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 452         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 453         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 454         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 455         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 456         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 457         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 458         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 459         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 460         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 461         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 462         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 463         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 464         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 465         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 466         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 467         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 468
 469         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 470          * instead text (text overflows making them unreadable and ugly) */
 471         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 472                          &newxpm, &newxpmmask);
 473         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 474                          &unreadxpm, &unreadxpmmask);
 475         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 476                          &readxpm, &readxpmmask);
 477
 478         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 479         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 480         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 481
 482         hbox_new = gtk_hbox_new(FALSE, 4);
 483         hbox_unread = gtk_hbox_new(FALSE, 4);
 484         hbox_total = gtk_hbox_new(FALSE, 4);
 485
 486         /* left justified */
 487         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 488         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 489         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 490         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 491         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 492         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 493
 494         gtk_widget_show_all(hbox_new);
 495         gtk_widget_show_all(hbox_unread);
 496         gtk_widget_show_all(hbox_total);
 497
 498         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_NEW,hbox_new);
 499         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_UNREAD,hbox_unread);
 500         gtk_clist_set_column_widget(GTK_CLIST(ctree),COL_TOTAL,hbox_total);
 501
 502         if (!normal_style) {
 503                 PangoFontDescription *font_desc;
 504                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 505                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 506                 if (font_desc) {
 507                         if (normal_style->font_desc)
 508                                 pango_font_description_free
 509                                         (normal_style->font_desc);
 510                         normal_style->font_desc = font_desc;
 511                 }
 512                 normal_color_style = gtk_style_copy(normal_style);
 513                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 514
 515                 gtk_widget_set_style(ctree, normal_style);
 516         }
 517
 518         if (!bold_style) {
 519                 PangoFontDescription *font_desc;
 520                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 521                 font_desc = pango_font_description_from_string(BOLD_FONT);
 522                 if (font_desc) {
 523                         if (bold_style->font_desc)
 524                                 pango_font_description_free
 525                                         (bold_style->font_desc);
 526                         bold_style->font_desc = font_desc;
 527                 }
 528                 pango_font_description_set_weight
 529                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 530                 bold_color_style = gtk_style_copy(bold_style);
 531                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 532
 533                 bold_tgtfold_style = gtk_style_copy(bold_style);
 534                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 535         }
 536 }
 537
 538 void folderview_set(FolderView *folderview)
 539 {
 540         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 541         MainWindow *mainwin = folderview->mainwin;
 542
 543         debug_print("Setting folder info...\n");
 544         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 545
 546         main_window_cursor_wait(mainwin);
 547
 548         folderview->selected = NULL;
 549         folderview->opened = NULL;
 550
 551         gtk_clist_freeze(GTK_CLIST(ctree));
 552         gtk_clist_clear(GTK_CLIST(ctree));
 553         gtk_clist_thaw(GTK_CLIST(ctree));
 554         gtk_clist_freeze(GTK_CLIST(ctree));
 555
 556         folderview_set_folders(folderview);
 557
 558         gtk_clist_thaw(GTK_CLIST(ctree));
 559         main_window_cursor_normal(mainwin);
 560         STATUSBAR_POP(mainwin);
 561 }
 562
 563 void folderview_set_all(void)
 564 {
 565         GList *list;
 566
 567         for (list = folderview_list; list != NULL; list = list->next)
 568                 folderview_set((FolderView *)list->data);
 569 }
 570
 571 void folderview_select(FolderView *folderview, FolderItem *item)
 572 {
 573         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 574         GtkCTreeNode *node;
 575         GtkCTreeNode *old_selected = folderview->selected;
 576
 577         if (!item) return;
 578
 579         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 580         if (node) folderview_select_node(folderview, node);
 581
 582         if (old_selected != node)
 583                 folder_update_op_count();
 584 }
 585
 586 static void mark_all_read_cb(FolderView *folderview, guint action,
 587                              GtkWidget *widget)
 588 {
 589         FolderItem *item;
 590
 591         item = folderview_get_selected_item(folderview);
 592         if (item == NULL)
 593                 return;
 594
 595         folderutils_mark_all_read(item);
 596 }
 597
 598 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 599 {
 600         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 601
 602         g_return_if_fail(node != NULL);
 603
 604         folderview->open_folder = TRUE;
 605         gtkut_ctree_set_focus_row(ctree, node);
 606         gtk_ctree_select(ctree, node);
 607         if (folderview->summaryview->folder_item &&
 608             folderview->summaryview->folder_item->total_msgs > 0)
 609                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 610         else
 611                 gtk_widget_grab_focus(folderview->ctree);
 612
 613         gtkut_ctree_expand_parent_all(ctree, node);
 614 }
 615
 616 void folderview_unselect(FolderView *folderview)
 617 {
 618         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 619                 gtk_ctree_collapse
 620                         (GTK_CTREE(folderview->ctree), folderview->opened);
 621
 622         folderview->selected = folderview->opened = NULL;
 623 }
 624
 625 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 626                                                  GtkCTreeNode *node)
 627 {
 628         FolderItem *item;
 629
 630         if (node)
 631                 node = gtkut_ctree_node_next(ctree, node);
 632         else
 633                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 634
 635         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 636                 item = gtk_ctree_node_get_row_data(ctree, node);
 637                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 638                         return node;
 639         }
 640
 641         return NULL;
 642 }
 643
 644 void folderview_select_next_unread(FolderView *folderview)
 645 {
 646         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 647         GtkCTreeNode *node = NULL;
 648
 649         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 650             != NULL) {
 651                 folderview_select_node(folderview, node);
 652                 return;
 653         }
 654
 655         if (!folderview->opened ||
 656             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 657                 return;
 658         /* search again from the first node */
 659         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 660                 folderview_select_node(folderview, node);
 661 }
 662
 663 FolderItem *folderview_get_selected_item(FolderView *folderview)
 664 {
 665         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 666
 667         if (!folderview->selected) return NULL;
 668         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 669 }
 670
 671 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 672 {
 673         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 674         static GtkCTreeNode *prev_row = NULL;
 675         FolderItem *item;
 676         gint new, unread, total;
 677         gchar *new_str, *unread_str, *total_str;
 678
 679         if (!row) return;
 680
 681         item = gtk_ctree_node_get_row_data(ctree, row);
 682         if (!item) return;
 683
 684         gtk_ctree_node_get_text(ctree, row, COL_NEW, &new_str);
 685         gtk_ctree_node_get_text(ctree, row, COL_UNREAD, &unread_str);
 686         gtk_ctree_node_get_text(ctree, row, COL_TOTAL, &total_str);
 687         new = atoi(new_str);
 688         unread = atoi(unread_str);
 689         total = atoi(total_str);
 690
 691         prev_row = row;
 692
 693         folderview_update_node(folderview, row);
 694 }
 695
 696 void folderview_append_item(FolderItem *item)
 697 {
 698         GList *list;
 699
 700         g_return_if_fail(item != NULL);
 701         g_return_if_fail(item->folder != NULL);
 702         if (folder_item_parent(item)) return;
 703
 704         for (list = folderview_list; list != NULL; list = list->next) {
 705                 FolderView *folderview = (FolderView *)list->data;
 706                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 707                 GtkCTreeNode *node, *child;
 708
 709                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 710                                                   folder_item_parent(item));
 711                 if (node) {
 712                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 713                         if (!child) {
 714                                 gchar *text[N_FOLDER_COLS] =
 715                                         {NULL, "0", "0", "0"};
 716
 717                                 gtk_clist_freeze(GTK_CLIST(ctree));
 718
 719                                 text[COL_FOLDER] = item->name;
 720                                 child = gtk_ctree_insert_node
 721                                         (ctree, node, NULL, text,
 722                                          FOLDER_SPACING,
 723                                          folderxpm, folderxpmmask,
 724                                          folderopenxpm, folderopenxpmmask,
 725                                          FALSE, FALSE);
 726                                 gtk_ctree_node_set_row_data(ctree, child, item);
 727                                 gtk_ctree_expand(ctree, node);
 728                                 folderview_update_node(folderview, child);
 729                                 folderview_sort_folders(folderview, node,
 730                                                         item->folder);
 731
 732                                 gtk_clist_thaw(GTK_CLIST(ctree));
 733                         }
 734                 }
 735         }
 736 }
 737
 738 static void folderview_set_folders(FolderView *folderview)
 739 {
 740         GList *list;
 741
 742         list = folder_get_list();
 743
 744         for (; list != NULL; list = list->next)
 745                 folderview_append_folder(folderview, FOLDER(list->data));
 746 }
 747
 748 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 749                                       gpointer data)
 750 {
 751         GList *list;
 752
 753         for (list = folderview_list; list != NULL; list = list->next) {
 754                 FolderView *folderview = (FolderView *)list->data;
 755                 MainWindow *mainwin = folderview->mainwin;
 756                 gchar *str;
 757
 758                 if (item->path)
 759                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 760                                               item->folder->name, G_DIR_SEPARATOR,
 761                                               item->path);
 762                 else
 763                         str = g_strdup_printf(_("Scanning folder %s ..."),
 764                                               item->folder->name);
 765
 766                 STATUSBAR_PUSH(mainwin, str);
 767                 STATUSBAR_POP(mainwin);
 768                 g_free(str);
 769         }
 770 }
 771
 772 static GtkWidget *label_window_create(const gchar *str)
 773 {
 774         GtkWidget *window;
 775         GtkWidget *label;
 776
 777         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 778         gtk_widget_set_size_request(window, 380, 60);
 779         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 780         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 781         gtk_window_set_title(GTK_WINDOW(window), str);
 782         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 783         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 784         manage_window_set_transient(GTK_WINDOW(window));
 785
 786         label = gtk_label_new(str);
 787         gtk_container_add(GTK_CONTAINER(window), label);
 788         gtk_widget_show(label);
 789
 790         gtk_widget_show_now(window);
 791
 792         return window;
 793 }
 794
 795 void folderview_rescan_tree(Folder *folder)
 796 {
 797         GtkWidget *window;
 798
 799         g_return_if_fail(folder != NULL);
 800
 801         if (!folder->klass->scan_tree) return;
 802
 803         inc_lock();
 804         window = label_window_create(_("Rebuilding folder tree..."));
 805
 806         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 807         folder_scan_tree(folder);
 808         folder_set_ui_func(folder, NULL, NULL);
 809
 810         folderview_set_all();
 811
 812         gtk_widget_destroy(window);
 813         inc_unlock();
 814 }
 815
 816 /** folderview_check_new()
 817  *  Scan and update the folder and return the
 818  *  count the number of new messages since last check.
 819  *  \param folder the folder to check for new messages
 820  *  \return the number of new messages since last check
 821  */
 822 gint folderview_check_new(Folder *folder)
 823 {
 824         GList *list;
 825         FolderItem *item;
 826         FolderView *folderview;
 827         GtkCTree *ctree;
 828         GtkCTreeNode *node;
 829         gint new_msgs = 0;
 830         gint former_new_msgs = 0;
 831         gint former_new = 0;
 832
 833         for (list = folderview_list; list != NULL; list = list->next) {
 834                 folderview = (FolderView *)list->data;
 835                 ctree = GTK_CTREE(folderview->ctree);
 836
 837                 inc_lock();
 838                 main_window_lock(folderview->mainwin);
 839                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 840
 841                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 842                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 843                         item = gtk_ctree_node_get_row_data(ctree, node);
 844                         if (!item || !item->path || !item->folder) continue;
 845                         if (item->no_select) continue;
 846                         if (folder && folder != item->folder) continue;
 847                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 848                         if (!item->prefs->newmailcheck) continue;
 849
 850                         folderview_scan_tree_func(item->folder, item, NULL);
 851                         former_new = item->new_msgs;
 852                         if (folder_item_scan(item) < 0) {
 853                                 if (folder && !FOLDER_IS_LOCAL(folder))
 854                                         break;
 855                         }
 856                         folderview_update_node(folderview, node);
 857                         new_msgs += item->new_msgs;
 858                         former_new_msgs += former_new;
 859                 }
 860
 861                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 862                 main_window_unlock(folderview->mainwin);
 863                 inc_unlock();
 864         }
 865
 866         folder_write_list();
 867         /* Number of new messages since last check is the just the difference
 868          * between former_new_msgs and new_msgs. If new_msgs is less than
 869          * former_new_msgs, that would mean another session accessed the folder
 870          * and the result is not well defined.
 871          */
 872         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
 873         return new_msgs;
 874 }
 875
 876 void folderview_check_new_all(void)
 877 {
 878         GList *list;
 879         GtkWidget *window;
 880         FolderView *folderview;
 881
 882         folderview = (FolderView *)folderview_list->data;
 883
 884         inc_lock();
 885         main_window_lock(folderview->mainwin);
 886         window = label_window_create
 887                 (_("Checking for new messages in all folders..."));
 888
 889         list = folder_get_list();
 890         for (; list != NULL; list = list->next) {
 891                 Folder *folder = list->data;
 892
 893                 folderview_check_new(folder);
 894         }
 895
 896         folder_write_list();
 897         folderview_set_all();
 898
 899         gtk_widget_destroy(window);
 900         main_window_unlock(folderview->mainwin);
 901         inc_unlock();
 902 }
 903
 904 static gboolean folderview_search_new_recursive(GtkCTree *ctree,
 905                                                 GtkCTreeNode *node)
 906 {
 907         FolderItem *item;
 908
 909         if (node) {
 910                 item = gtk_ctree_node_get_row_data(ctree, node);
 911                 if (item) {
 912                         if (item->new_msgs > 0 ||
 913                             (item->stype == F_QUEUE && item->total_msgs > 0))
 914                                 return TRUE;
 915                 }
 916                 node = GTK_CTREE_ROW(node)->children;
 917         } else
 918                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 919
 920         while (node) {
 921                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 922                         return TRUE;
 923                 node = GTK_CTREE_ROW(node)->sibling;
 924         }
 925
 926         return FALSE;
 927 }
 928
 929 static gboolean folderview_have_new_children(FolderView *folderview,
 930                                              GtkCTreeNode *node)
 931 {
 932         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 933
 934         if (!node)
 935                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 936         if (!node)
 937                 return FALSE;
 938
 939         node = GTK_CTREE_ROW(node)->children;
 940
 941         while (node) {
 942                 if (folderview_search_new_recursive(ctree, node) == TRUE)
 943                         return TRUE;
 944                 node = GTK_CTREE_ROW(node)->sibling;
 945         }
 946
 947         return FALSE;
 948 }
 949
 950 static gboolean folderview_search_unread_recursive(GtkCTree *ctree,
 951                                                    GtkCTreeNode *node)
 952 {
 953         FolderItem *item;
 954
 955         if (node) {
 956                 item = gtk_ctree_node_get_row_data(ctree, node);
 957                 if (item) {
 958                         if (item->unread_msgs > 0 ||
 959                             (item->stype == F_QUEUE && item->total_msgs > 0))
 960                                 return TRUE;
 961                 }
 962                 node = GTK_CTREE_ROW(node)->children;
 963         } else
 964                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 965
 966         while (node) {
 967                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 968                         return TRUE;
 969                 node = GTK_CTREE_ROW(node)->sibling;
 970         }
 971
 972         return FALSE;
 973 }
 974
 975 static gboolean folderview_have_unread_children(FolderView *folderview,
 976                                                 GtkCTreeNode *node)
 977 {
 978         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 979
 980         if (!node)
 981                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 982         if (!node)
 983                 return FALSE;
 984
 985         node = GTK_CTREE_ROW(node)->children;
 986
 987         while (node) {
 988                 if (folderview_search_unread_recursive(ctree, node) == TRUE)
 989                         return TRUE;
 990                 node = GTK_CTREE_ROW(node)->sibling;
 991         }
 992
 993         return FALSE;
 994 }
 995
 996 static gboolean folderview_search_matching_recursive(GtkCTree *ctree,
 997                                                    GtkCTreeNode *node)
 998 {
 999         FolderItem *item;
1000
1001         if (node) {
1002                 item = gtk_ctree_node_get_row_data(ctree, node);
1003                 if (item) {
1004                         if (item->search_match)
1005                                 return TRUE;
1006                 }
1007                 node = GTK_CTREE_ROW(node)->children;
1008         } else
1009                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1010
1011         while (node) {
1012                 if (folderview_search_matching_recursive(ctree, node) == TRUE)
1013                         return TRUE;
1014                 node = GTK_CTREE_ROW(node)->sibling;
1015         }
1016
1017         return FALSE;
1018 }
1019
1020 static gboolean folderview_have_matching_children(FolderView *folderview,
1021                                                 GtkCTreeNode *node)
1022 {
1023         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1024
1025         if (!node)
1026                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
1027         if (!node)
1028                 return FALSE;
1029
1030         node = GTK_CTREE_ROW(node)->children;
1031
1032         while (node) {
1033                 if (folderview_search_matching_recursive(ctree, node) == TRUE)
1034                         return TRUE;
1035                 node = GTK_CTREE_ROW(node)->sibling;
1036         }
1037
1038         return FALSE;
1039 }
1040
1041 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1042 {
1043         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1044         GtkStyle *style = NULL;
1045         GtkStyle *color_style = NULL;
1046         FolderItem *item;
1047         GdkPixmap *xpm, *openxpm;
1048         GdkBitmap *mask, *openmask;
1049         static GdkPixmap *searchicon;
1050         static GdkBitmap *searchmask;
1051
1052         gchar *name;
1053         gchar *str;
1054         gboolean add_unread_mark;
1055         gboolean add_sub_match_mark;
1056         gboolean use_bold, use_color;
1057
1058         item = gtk_ctree_node_get_row_data(ctree, node);
1059         g_return_if_fail(item != NULL);
1060
1061         switch (item->stype) {
1062         case F_INBOX:
1063                 if (item->hide_read_msgs) {
1064                         xpm = inboxhrmxpm;
1065                         mask = inboxhrmxpmmask;
1066                         openxpm = inboxopenhrmxpm;
1067                         openmask = inboxopenhrmxpmmask;
1068                 } else {
1069                         xpm = inboxxpm;
1070                         mask = inboxxpmmask;
1071                         openxpm = inboxopenxpm;
1072                         openmask = inboxopenxpmmask;
1073                 }
1074                 break;
1075         case F_OUTBOX:
1076                 if (item->hide_read_msgs) {
1077                         xpm = outboxhrmxpm;
1078                         mask = outboxhrmxpmmask;
1079                         openxpm = outboxopenhrmxpm;
1080                         openmask = outboxopenhrmxpmmask;
1081                 } else {
1082                         xpm = outboxxpm;
1083                         mask = outboxxpmmask;
1084                         openxpm = outboxopenxpm;
1085                         openmask = outboxopenxpmmask;
1086                 }
1087                 break;
1088         case F_QUEUE:
1089                 if (item->hide_read_msgs) {
1090                         xpm = queuehrmxpm;
1091                         mask = queuehrmxpmmask;
1092                         openxpm = queueopenhrmxpm;
1093                         openmask = queueopenhrmxpmmask;
1094                 } else {
1095                         xpm = queuexpm;
1096                         mask = queuexpmmask;
1097                         openxpm = queueopenxpm;
1098                         openmask = queueopenxpmmask;
1099                 }
1100                 break;
1101         case F_TRASH:
1102                 if (item->hide_read_msgs) {
1103                         xpm = trashhrmxpm;
1104                         mask = trashhrmxpmmask;
1105                         openxpm = trashopenhrmxpm;
1106                         openmask = trashopenhrmxpmmask;
1107                 } else {
1108                         xpm = trashxpm;
1109                         mask = trashxpmmask;
1110                         openxpm = trashopenxpm;
1111                         openmask = trashopenxpmmask;
1112                 }
1113                 break;
1114         case F_DRAFT:
1115                 xpm = draftsxpm;
1116                 mask = draftsxpmmask;
1117                 openxpm = draftsopenxpm;
1118                 openmask = draftsopenxpmmask;
1119                 break;
1120         default:
1121                 if (item->hide_read_msgs) {
1122                         xpm = folderhrmxpm;
1123                         mask = folderhrmxpmmask;
1124                         openxpm = folderopenhrmxpm;
1125                         openmask = folderopenhrmxpmmask;
1126                 } else {
1127                         xpm = folderxpm;
1128                         mask = folderxpmmask;
1129                         openxpm = folderopenxpm;
1130                         openmask = folderopenxpmmask;
1131                 }
1132         }
1133         name = folder_item_get_name(item);
1134
1135         if (!GTK_CTREE_ROW(node)->expanded) {
1136                 add_unread_mark = folderview_have_unread_children(
1137                                         folderview, node);
1138                 add_sub_match_mark = folderview_have_matching_children(
1139                                         folderview, node);
1140         } else {
1141                 add_unread_mark = FALSE;
1142                 add_sub_match_mark = FALSE;
1143         }
1144
1145         if (item->search_match) {
1146                 if (!searchicon) {
1147                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1148                          &searchicon, &searchmask);
1149                 }
1150                 xpm = openxpm = searchicon;
1151                 mask = openmask = searchmask;
1152         }
1153
1154         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1155             prefs_common.display_folder_unread) {
1156                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1157                                       add_unread_mark ? "+" : "");
1158                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1159                                         xpm, mask, openxpm, openmask,
1160                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1161                 g_free(str);
1162         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1163                     prefs_common.display_folder_unread)
1164                    || add_sub_match_mark) {
1165
1166                 if (item->unread_msgs > 0)
1167                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1168                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1169                                               item->unreadmarked_msgs > 0 ? "!":"");
1170                 else
1171                         str = g_strdup_printf("%s (+)", name);
1172                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1173                                         xpm, mask, openxpm, openmask,
1174                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1175                 g_free(str);
1176         } else {
1177                 str = g_strdup_printf("%s%s", name,
1178                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1179
1180                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1181                                         xpm, mask, openxpm, openmask,
1182                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1183                 g_free(str);
1184         }
1185         g_free(name);
1186
1187         if (!folder_item_parent(item)) {
1188                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    "-");
1189                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, "-");
1190                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  "-");
1191         } else {
1192                 gtk_ctree_node_set_text(ctree, node, COL_NEW,    itos(item->new_msgs));
1193                 gtk_ctree_node_set_text(ctree, node, COL_UNREAD, itos(item->unread_msgs));
1194                 gtk_ctree_node_set_text(ctree, node, COL_TOTAL,  itos(item->total_msgs));
1195         }
1196
1197         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1198             item->stype == F_TRASH) {
1199                 use_bold = use_color = FALSE;
1200         } else if (item->stype == F_QUEUE) {
1201                 /* highlight queue folder if there are any messages */
1202                 use_bold = use_color = (item->total_msgs > 0);
1203         } else {
1204                 /* if unread messages exist, print with bold font */
1205                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1206                 /* if new messages exist, print with colored letter */
1207                 use_color =
1208                         (item->new_msgs > 0) ||
1209                         (add_unread_mark &&
1210                          folderview_have_new_children(folderview, node));
1211         }
1212
1213         gtk_ctree_node_set_foreground(ctree, node, NULL);
1214
1215         if (use_bold) {
1216                 if (item->prefs->color > 0 && !use_color) {
1217                         GdkColor gdk_color;
1218
1219                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1220                         color_style = gtk_style_copy(bold_style);
1221                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1222                         style = color_style;
1223                 } else if (use_color)
1224                         style = bold_color_style;
1225                 else
1226                         style = bold_style;
1227                 if (item->op_count > 0) {
1228                         style = bold_tgtfold_style;
1229                 }
1230         } else if (use_color) {
1231                 style = normal_color_style;
1232                 gtk_ctree_node_set_foreground(ctree, node,
1233                                               &folderview->color_new);
1234         } else if (item->op_count > 0) {
1235                 style = bold_tgtfold_style;
1236         } else if (item->prefs->color > 0) {
1237                 GdkColor gdk_color;
1238
1239                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1240                 color_style = gtk_style_copy(normal_style);
1241                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1242                 style = color_style;
1243         } else {
1244                 style = normal_style;
1245         }
1246
1247         gtk_ctree_node_set_row_style(ctree, node, style);
1248
1249         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1250                 folderview_update_node(folderview, node);
1251 }
1252
1253 #if !CLAWS /* keep it here for syncs */
1254 void folderview_update_item(FolderItem *item, gboolean update_summary)
1255 {
1256         GList *list;
1257         FolderView *folderview;
1258         GtkCTree *ctree;
1259         GtkCTreeNode *node;
1260
1261         g_return_if_fail(item != NULL);
1262
1263         for (list = folderview_list; list != NULL; list = list->next) {
1264                 folderview = (FolderView *)list->data;
1265                 ctree = GTK_CTREE(folderview->ctree);
1266
1267                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1268                 if (node) {
1269                         folderview_update_node(folderview, node);
1270                         if (update_summary && folderview->opened == node)
1271                                 summary_show(folderview->summaryview,
1272                                              item, FALSE);
1273                 }
1274         }
1275 }
1276 #endif
1277
1278 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1279 {
1280         GList *list;
1281         FolderView *folderview;
1282         GtkCTree *ctree;
1283         GtkCTreeNode *node;
1284
1285         g_return_if_fail(item != NULL);
1286
1287         for (list = folderview_list; list != NULL; list = list->next) {
1288                 folderview = (FolderView *)list->data;
1289                 ctree = GTK_CTREE(folderview->ctree);
1290
1291                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1292                 if (node) {
1293                         item->search_match = matches;
1294                         folderview_update_node(folderview, node);
1295                 }
1296         }
1297 }
1298
1299 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1300 {
1301         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1302         FolderView *folderview = (FolderView *)data;
1303         GtkCTree *ctree;
1304         GtkCTreeNode *node;
1305
1306         g_return_val_if_fail(update_info != NULL, TRUE);
1307         g_return_val_if_fail(update_info->item != NULL, TRUE);
1308         g_return_val_if_fail(folderview != NULL, FALSE);
1309
1310         ctree = GTK_CTREE(folderview->ctree);
1311
1312         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1313         if (node) {
1314                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1315                         folderview_update_node(folderview, node);
1316                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1317                         summary_show(folderview->summaryview, update_info->item);
1318         }
1319
1320         return FALSE;
1321 }
1322
1323 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1324                                                 gpointer data)
1325 {
1326         /* CLAWS: share this joy with other hook functions ... */
1327         folder_item_update((FolderItem *)key,
1328                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1329 }
1330
1331 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1332 {
1333         GList *list;
1334         FolderItemUpdateFlags flags;
1335
1336         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1337                 : 0;
1338         for (list = folderview_list; list != NULL; list = list->next)
1339                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1340                                      GINT_TO_POINTER(flags));
1341 }
1342
1343 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1344                                       GNode *gnode, GtkCTreeNode *cnode,
1345                                       gpointer data)
1346 {
1347         FolderView *folderview = (FolderView *)data;
1348         FolderItem *item = FOLDER_ITEM(gnode->data);
1349
1350         g_return_val_if_fail(item != NULL, FALSE);
1351
1352         gtk_ctree_node_set_row_data(ctree, cnode, item);
1353         folderview_update_node(folderview, cnode);
1354
1355         return TRUE;
1356 }
1357
1358 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1359                                    gpointer data)
1360 {
1361         FolderView *folderview = (FolderView *)data;
1362         FolderItem *item;
1363
1364         if (GTK_CTREE_ROW(node)->children) {
1365                 item = gtk_ctree_node_get_row_data(ctree, node);
1366                 g_return_if_fail(item != NULL);
1367
1368                 if (!item->collapsed)
1369                         gtk_ctree_expand(ctree, node);
1370                 else
1371                         folderview_update_node(folderview, node);
1372         }
1373 }
1374
1375 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1376                                GtkCTreeNode *root, GtkCTreeNode **prev)
1377 {
1378         if (item) {
1379                 GtkCTreeNode *node, *parent, *sibling;
1380
1381                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1382                 if (!node)
1383                         g_warning("%s not found.\n", item->path);
1384                 else {
1385                         parent = GTK_CTREE_ROW(node)->parent;
1386                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1387                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1388                         else
1389                                 sibling = GTK_CTREE_ROW(parent)->children;
1390                         while (sibling) {
1391                                 FolderItem *tmp;
1392
1393                                 tmp = gtk_ctree_node_get_row_data
1394                                         (ctree, sibling);
1395                                 if (tmp->stype != F_NORMAL)
1396                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1397                                 else
1398                                         break;
1399                         }
1400                         if (node != sibling)
1401                                 gtk_ctree_move(ctree, node, parent, sibling);
1402                 }
1403
1404                 *prev = node;
1405         }
1406 }
1407
1408 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1409                                     Folder *folder)
1410 {
1411         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1412         GtkCTreeNode *prev = NULL;
1413
1414         gtk_sctree_sort_recursive(ctree, root);
1415
1416         if (root && GTK_CTREE_ROW(root)->parent) return;
1417
1418         set_special_folder(ctree, folder->inbox, root, &prev);
1419         set_special_folder(ctree, folder->outbox, root, &prev);
1420         set_special_folder(ctree, folder->draft, root, &prev);
1421         set_special_folder(ctree, folder->queue, root, &prev);
1422         set_special_folder(ctree, folder->trash, root, &prev);
1423 }
1424
1425 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1426 {
1427         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1428         GtkCTreeNode *root;
1429
1430         g_return_if_fail(folder != NULL);
1431
1432         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1433                                       folderview_gnode_func, folderview);
1434         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1435                                 folderview);
1436         folderview_sort_folders(folderview, root, folder);
1437 }
1438
1439 /* callback functions */
1440
1441 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1442                                           FolderView *folderview)
1443 {
1444         GtkCList *clist = GTK_CLIST(ctree);
1445         gint prev_row = -1, row = -1, column = -1;
1446         FolderItem *item;
1447         Folder *folder;
1448         FolderViewPopup *fpopup;
1449         GtkItemFactory *fpopup_factory;
1450         GtkWidget *popup;
1451
1452         if (!event) return FALSE;
1453
1454         if (event->button == 1) {
1455                 folderview->open_folder = TRUE;
1456                 return FALSE;
1457         }
1458
1459         if (event->button == 2 || event->button == 3) {
1460                 /* right clicked */
1461                 if (clist->selection) {
1462                         GtkCTreeNode *node;
1463
1464                         node = GTK_CTREE_NODE(clist->selection->data);
1465                         if (node)
1466                                 prev_row = gtkut_ctree_get_nth_from_node
1467                                         (GTK_CTREE(ctree), node);
1468                 }
1469
1470                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1471                                                   &row, &column))
1472                         return FALSE;
1473                 if (prev_row != row) {
1474                         gtk_clist_unselect_all(clist);
1475                         if (event->button == 2)
1476                                 folderview_select_node
1477                                         (folderview,
1478                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1479                                                             row));
1480                         else
1481                                 gtk_clist_select_row(clist, row, column);
1482                 }
1483         }
1484
1485         if (event->button != 3) return FALSE;
1486
1487         item = gtk_clist_get_row_data(clist, row);
1488         g_return_val_if_fail(item != NULL, FALSE);
1489         g_return_val_if_fail(item->folder != NULL, FALSE);
1490         folder = item->folder;
1491
1492         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1493         if (fpopup != NULL)
1494                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1495         else {
1496                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1497                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1498         }
1499
1500         if (fpopup->set_sensitivity != NULL)
1501                 fpopup->set_sensitivity(fpopup_factory, item);
1502
1503         if (item == folder->trash &&
1504             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1505                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1506                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1507         } else if (item != folder->trash) {
1508                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1509                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1510         }
1511
1512 #define SET_SENS(name, sens) \
1513         menu_set_sensitive(fpopup_factory, name, sens)
1514
1515         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1516         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1517                  folderview->selected == folderview->opened);
1518         SET_SENS("/Properties...", item->node->parent != NULL);
1519         SET_SENS("/Processing...", item->node->parent != NULL);
1520         if (item == folder->trash)
1521                 SET_SENS("/Empty trash...", folder_item_get_msg_list(item) != NULL);
1522 #undef SET_SENS
1523
1524         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1525         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1526                        event->button, event->time);
1527
1528         return FALSE;
1529 }
1530
1531 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1532                                            FolderView *folderview)
1533 {
1534         if (!event) return FALSE;
1535
1536         if (event->button == 1 && folderview->open_folder == FALSE &&
1537             folderview->opened != NULL) {
1538                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1539                                           folderview->opened);
1540                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1541         }
1542
1543         return FALSE;
1544 }
1545
1546 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1547                                        FolderView *folderview)
1548 {
1549         if (!event) return FALSE;
1550
1551         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1552                 return FALSE;
1553
1554         switch (event->keyval) {
1555         case GDK_Return:
1556                 if (folderview->selected) {
1557                         folderview_select_node(folderview,
1558                                                folderview->selected);
1559                 }
1560                 break;
1561         case GDK_space:
1562                 if (folderview->selected) {
1563                         if (folderview->opened == folderview->selected &&
1564                             (!folderview->summaryview->folder_item ||
1565                              folderview->summaryview->folder_item->total_msgs == 0))
1566                                 folderview_select_next_unread(folderview);
1567                         else
1568                                 folderview_select_node(folderview,
1569                                                        folderview->selected);
1570                 }
1571                 break;
1572         default:
1573                 break;
1574         }
1575
1576         return FALSE;
1577 }
1578
1579 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1580                                 gint column, FolderView *folderview)
1581 {
1582         static gboolean can_select = TRUE;      /* exclusive lock */
1583         gboolean opened;
1584         FolderItem *item;
1585         gchar *buf;
1586
1587         folderview->selected = row;
1588
1589         if (folderview->opened == row) {
1590                 folderview->open_folder = FALSE;
1591                 return;
1592         }
1593
1594         if (!can_select || summary_is_locked(folderview->summaryview)) {
1595                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1596                 gtk_ctree_select(ctree, folderview->opened);
1597                 return;
1598         }
1599
1600         if (!folderview->open_folder) return;
1601
1602         item = gtk_ctree_node_get_row_data(ctree, row);
1603         if (!item) return;
1604
1605         can_select = FALSE;
1606
1607         /* Save cache for old folder */
1608         /* We don't want to lose all caches if sylpheed crashed */
1609         if (folderview->opened) {
1610                 FolderItem *olditem;
1611
1612                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1613                 if (olditem) {
1614                         /* will be null if we just moved the previously opened folder */
1615                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1616                         folder_item_close(olditem);
1617                 }
1618         }
1619
1620         /* CLAWS: set compose button type: news folder items
1621          * always have a news folder as parent */
1622         if (item->folder)
1623                 toolbar_set_compose_button
1624                         (folderview->mainwin->toolbar,
1625                          FOLDER_TYPE(item->folder) == F_NEWS ?
1626                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1627
1628         if (item->path)
1629                 debug_print("Folder %s is selected\n", item->path);
1630
1631         if (!GTK_CTREE_ROW(row)->children)
1632                 gtk_ctree_expand(ctree, row);
1633         if (folderview->opened &&
1634             !GTK_CTREE_ROW(folderview->opened)->children)
1635                 gtk_ctree_collapse(ctree, folderview->opened);
1636
1637         /* ungrab the mouse event */
1638         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1639                 gtk_grab_remove(GTK_WIDGET(ctree));
1640                 if (gdk_pointer_is_grabbed())
1641                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1642         }
1643
1644         /* Open Folder */
1645         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1646                                         item->path : "(null)");
1647         debug_print("%s\n", buf);
1648         STATUSBAR_PUSH(folderview->mainwin, buf);
1649         g_free(buf);
1650
1651         main_window_cursor_wait(folderview->mainwin);
1652
1653         if (folder_item_open(item) != 0) {
1654                 main_window_cursor_normal(folderview->mainwin);
1655                 STATUSBAR_POP(folderview->mainwin);
1656
1657                 alertpanel_error(_("Folder could not be opened."));
1658
1659                 folderview->open_folder = FALSE;
1660                 can_select = TRUE;
1661
1662                 return;
1663         }
1664
1665         main_window_cursor_normal(folderview->mainwin);
1666
1667         /* Show messages */
1668         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1669         opened = summary_show(folderview->summaryview, item);
1670
1671         folder_clean_cache_memory();
1672
1673         if (!opened) {
1674                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1675                 gtk_ctree_select(ctree, folderview->opened);
1676         } else {
1677                 folderview->opened = row;
1678                 if (gtk_ctree_node_is_visible(ctree, row)
1679                     != GTK_VISIBILITY_FULL)
1680                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1681         }
1682
1683         STATUSBAR_POP(folderview->mainwin);
1684
1685         folderview->open_folder = FALSE;
1686         can_select = TRUE;
1687 }
1688
1689 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1690                                      FolderView *folderview)
1691 {
1692         FolderItem *item;
1693
1694         item = gtk_ctree_node_get_row_data(ctree, node);
1695         g_return_if_fail(item != NULL);
1696         item->collapsed = FALSE;
1697         folderview_update_node(folderview, node);
1698 }
1699
1700 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1701                                       FolderView *folderview)
1702 {
1703         FolderItem *item;
1704
1705         item = gtk_ctree_node_get_row_data(ctree, node);
1706         g_return_if_fail(item != NULL);
1707         item->collapsed = TRUE;
1708         folderview_update_node(folderview, node);
1709 }
1710
1711 static void folderview_popup_close(GtkMenuShell *menu_shell,
1712                                    FolderView *folderview)
1713 {
1714         if (!folderview->opened) return;
1715
1716         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1717                                   folderview->opened);
1718         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1719 }
1720
1721 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1722                                    FolderView *folderview)
1723 {
1724         switch (column) {
1725         case COL_FOLDER:
1726                 prefs_common.folder_col_folder = width;
1727                 break;
1728         case COL_NEW:
1729                 prefs_common.folder_col_new = width;
1730                 break;
1731         case COL_UNREAD:
1732                 prefs_common.folder_col_unread = width;
1733                 break;
1734         case COL_TOTAL:
1735                 prefs_common.folder_col_total = width;
1736                 break;
1737         default:
1738                 break;
1739         }
1740 }
1741
1742 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1743 {
1744         GNode *srcnode;
1745
1746         folderview_create_folder_node(folderview, item);
1747
1748         srcnode = item->folder->node;
1749         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1750         srcnode = srcnode->children;
1751         while (srcnode != NULL) {
1752                 if (srcnode && srcnode->data) {
1753                         FolderItem *next_item = (FolderItem*) srcnode->data;
1754                         folderview_create_folder_node_recursive(folderview, next_item);
1755                 }
1756                 srcnode = srcnode->next;
1757         }
1758 }
1759
1760 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1761 {
1762         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1763         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1764         GtkCTreeNode *node, *parent_node;
1765
1766         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1767         if (parent_node == NULL)
1768                 return;
1769
1770         gtk_clist_freeze(GTK_CLIST(ctree));
1771
1772         text[COL_FOLDER] = item->name;
1773         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1774                                      FOLDER_SPACING,
1775                                      folderxpm, folderxpmmask,
1776                                      folderopenxpm, folderopenxpmmask,
1777                                      FALSE, FALSE);
1778         gtk_ctree_expand(ctree, parent_node);
1779         gtk_ctree_node_set_row_data(ctree, node, item);
1780         if (normal_style)
1781                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1782         folderview_sort_folders(folderview, folderview->selected, item->folder);
1783
1784         gtk_clist_thaw(GTK_CLIST(ctree));
1785 }
1786
1787 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1788                                       GtkWidget *widget)
1789 {
1790         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1791         FolderItem *item;
1792         GSList *mlist = NULL;
1793         GSList *cur = NULL;
1794         if (!folderview->selected) return;
1795
1796         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1797         g_return_if_fail(item != NULL);
1798         g_return_if_fail(item->folder != NULL);
1799         if (item != item->folder->trash) return;
1800
1801         if (prefs_common.ask_on_clean) {
1802                 if (alertpanel(_("Empty trash"),
1803                                _("Empty all messages in trash?"),
1804                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
1805                         return;
1806         }
1807
1808         mlist = folder_item_get_msg_list(item);
1809
1810         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1811                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1812                 /* is it partially received? (partial_recv isn't cached) */
1813                 if (msginfo->total_size != 0 &&
1814                     msginfo->size != (off_t)msginfo->total_size)
1815                         partial_mark_for_delete(msginfo);
1816         }
1817         procmsg_msg_list_free(mlist);
1818
1819         folder_item_remove_all_msg(item);
1820 }
1821
1822 static void folderview_search_cb(FolderView *folderview, guint action,
1823                                  GtkWidget *widget)
1824 {
1825         summary_search(folderview->summaryview);
1826 }
1827
1828 static void folderview_property_cb(FolderView *folderview, guint action,
1829                                    GtkWidget *widget)
1830 {
1831         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1832         FolderItem *item;
1833
1834         if (!folderview->selected) return;
1835
1836         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1837         g_return_if_fail(item != NULL);
1838         g_return_if_fail(item->folder != NULL);
1839
1840         if (folder_item_parent(item) == NULL)
1841                 return;
1842
1843         prefs_folder_item_open(item);
1844 }
1845
1846 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1847 {
1848         GSList *list = NULL;
1849         GSList *done = NULL;
1850         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1851
1852         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1853                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1854                 &&  list->data != node) {
1855                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1856                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1857                 }
1858         }
1859         for (list = done; list != NULL; list = g_slist_next(list)) {
1860                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1861                                                                  list->data);
1862         }
1863         g_slist_free(done);
1864 }
1865
1866 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1867                             FolderItem *to_folder)
1868 {
1869         FolderItem *from_parent = NULL;
1870         FolderItem *new_folder = NULL;
1871         GtkCTreeNode *src_node = NULL;
1872         gchar *buf;
1873         gint status;
1874
1875         g_return_if_fail(folderview != NULL);
1876         g_return_if_fail(from_folder != NULL);
1877         g_return_if_fail(to_folder != NULL);
1878
1879         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
1880         from_parent = folder_item_parent(from_folder);
1881         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
1882         STATUSBAR_PUSH(folderview->mainwin, buf);
1883         g_free(buf);
1884         summary_clear_all(folderview->summaryview);
1885         folderview->opened = NULL;
1886         folderview->selected = NULL;
1887         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
1888         inc_lock();
1889         main_window_cursor_wait(folderview->mainwin);
1890         statusbar_verbosity_set(TRUE);
1891         folder_item_update_freeze();
1892         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
1893                 statusbar_verbosity_set(FALSE);
1894                 main_window_cursor_normal(folderview->mainwin);
1895                 STATUSBAR_POP(folderview->mainwin);
1896                 folder_item_update_thaw();
1897                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
1898
1899                 folderview_sort_folders(folderview,
1900                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
1901                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
1902                 folderview_select(folderview, new_folder);
1903         } else {
1904                 statusbar_verbosity_set(FALSE);
1905                 main_window_cursor_normal(folderview->mainwin);
1906                 STATUSBAR_POP(folderview->mainwin);
1907                 folder_item_update_thaw();
1908                 switch (status) {
1909                 case F_MOVE_FAILED_DEST_IS_PARENT:
1910                         alertpanel_error(_("Source and destination are the same."));
1911                         break;
1912                 case F_MOVE_FAILED_DEST_IS_CHILD:
1913                         alertpanel_error(_("Can't move a folder to one of its children."));
1914                         break;
1915                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
1916                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
1917                         break;
1918                 default:
1919                         alertpanel_error(_("Move failed!"));
1920                         break;
1921                 }
1922         }
1923         inc_unlock();
1924         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
1925 }
1926
1927 static gint folderview_clist_compare(GtkCList *clist,
1928                                      gconstpointer ptr1, gconstpointer ptr2)
1929 {
1930         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
1931         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
1932
1933         if (!item1->name)
1934                 return (item2->name != NULL);
1935         if (!item2->name)
1936                 return -1;
1937
1938         return g_utf8_collate(item1->name, item2->name);
1939 }
1940
1941 static void folderview_processing_cb(FolderView *folderview, guint action,
1942                                      GtkWidget *widget)
1943 {
1944         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1945         FolderItem *item;
1946
1947         if (!folderview->selected) return;
1948
1949         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1950         g_return_if_fail(item != NULL);
1951         g_return_if_fail(item->folder != NULL);
1952
1953         prefs_filtering_open(&item->prefs->processing,
1954                              _("Processing configuration"), NULL, NULL);
1955 }
1956
1957 void folderview_set_target_folder_color(gint color_op)
1958 {
1959         gint firstone = 1;
1960         GList *list;
1961         FolderView *folderview;
1962
1963         for (list = folderview_list; list != NULL; list = list->next) {
1964                 folderview = (FolderView *)list->data;
1965                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
1966                 if (firstone) {
1967                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
1968                                 folderview->color_op;
1969                         firstone = 0;
1970                 }
1971         }
1972 }
1973
1974 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
1975 {
1976         folderview_init(folderview);
1977         folderview_set_all();
1978 }
1979
1980 static void drag_state_stop(FolderView *folderview)
1981 {
1982         if (folderview->drag_timer)
1983                 gtk_timeout_remove(folderview->drag_timer);
1984         folderview->drag_timer = 0;
1985         folderview->drag_node = NULL;
1986 }
1987
1988 static gint folderview_defer_expand(FolderView *folderview)
1989 {
1990         if (folderview->drag_node) {
1991                 folderview_recollapse_nodes(folderview, folderview->drag_node);
1992                 if (folderview->drag_item->collapsed) {
1993                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
1994                         folderview->nodes_to_recollapse = g_slist_append
1995                                 (folderview->nodes_to_recollapse, folderview->drag_node);
1996                 }
1997         }
1998         folderview->drag_item  = NULL;
1999         folderview->drag_timer = 0;
2000         return FALSE;
2001 }
2002
2003 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2004 {
2005         /* the idea is that we call drag_state_start() whenever we want expansion to
2006          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2007          * we need to call drag_state_stop() */
2008         drag_state_stop(folderview);
2009         /* request expansion */
2010         if (0 != (folderview->drag_timer = gtk_timeout_add
2011                         (prefs_common.hover_timeout,
2012                          (GtkFunction)folderview_defer_expand,
2013                          folderview))) {
2014                 folderview->drag_node = node;
2015                 folderview->drag_item = item;
2016         }
2017 }
2018
2019 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2020                                   FolderView       *folderview)
2021 {
2022         GdkDragContext *context;
2023
2024         g_return_if_fail(folderview != NULL);
2025         if (folderview->selected == NULL) return;
2026         if (folderview->nodes_to_recollapse)
2027                 g_slist_free(folderview->nodes_to_recollapse);
2028         folderview->nodes_to_recollapse = NULL;
2029         context = gtk_drag_begin(widget, folderview->target_list,
2030                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2031         gtk_drag_set_icon_default(context);
2032 }
2033
2034 static void folderview_drag_data_get(GtkWidget        *widget,
2035                                      GdkDragContext   *drag_context,
2036                                      GtkSelectionData *selection_data,
2037                                      guint             info,
2038                                      guint             time,
2039                                      FolderView       *folderview)
2040 {
2041         FolderItem *item;
2042         GList *cur;
2043         gchar *source = NULL;
2044
2045         for (cur = GTK_CLIST(folderview->ctree)->selection;
2046              cur != NULL; cur = cur->next) {
2047                 item = gtk_ctree_node_get_row_data
2048                         (GTK_CTREE(folderview->ctree),
2049                          GTK_CTREE_NODE(cur->data));
2050                 if (item) {
2051                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2052                         gtk_selection_data_set(selection_data,
2053                                                selection_data->target, 8,
2054                                                source, strlen(source));
2055                         break;
2056                 } else
2057                         return;
2058         }
2059 }
2060
2061 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2062 {
2063         FolderUpdateData *hookdata;
2064         FolderView *folderview;
2065         GtkWidget *ctree;
2066
2067         hookdata = source;
2068         folderview = (FolderView *) userdata;
2069         g_return_val_if_fail(hookdata != NULL, FALSE);
2070         g_return_val_if_fail(folderview != NULL, FALSE);
2071
2072         ctree = folderview->ctree;
2073         g_return_val_if_fail(ctree != NULL, FALSE);
2074
2075         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2076                 folderview_create_folder_node(folderview, hookdata->item);
2077         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2078                 GtkCTreeNode *node;
2079
2080                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2081                 if (node != NULL)
2082                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2083         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2084                 folderview_set(folderview);
2085
2086         return FALSE;
2087 }
2088
2089 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2090                                           GdkDragContext *context,
2091                                           gint            x,
2092                                           gint            y,
2093                                           guint           time,
2094                                           FolderView     *folderview)
2095 {
2096         gint row, column;
2097         FolderItem *item, *src_item = NULL;
2098         GtkCTreeNode *node = NULL;
2099         gboolean acceptable = FALSE;
2100         gint height = folderview->ctree->allocation.height;
2101         gint total_height = folderview->ctree->requisition.height;
2102         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2103                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2104         gfloat vpos = pos->value;
2105
2106         if (gtk_clist_get_selection_info
2107                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2108                 GtkWidget *srcwidget;
2109
2110                 if (y > height - 24 && height + vpos < total_height)
2111                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2112
2113                 if (y < 24 && y > 0)
2114                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2115
2116                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2117                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2118                 src_item = folderview->summaryview->folder_item;
2119
2120                 srcwidget = gtk_drag_get_source_widget(context);
2121                 if (srcwidget == folderview->summaryview->ctree) {
2122                         /* comes from summaryview */
2123                         /* we are copying messages, so only accept folder items that are not
2124                            the source item, are no root items and can copy messages */
2125                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2126                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2127                                 acceptable = TRUE;
2128                 } else if (srcwidget == folderview->ctree) {
2129                         /* comes from folderview */
2130                         /* we are moving folder items, only accept folders that are not
2131                            the source items and can copy messages and create folder items */
2132                         if (item && item->folder && src_item && src_item != item &&
2133                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2134                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2135                                 acceptable = TRUE;
2136                 }
2137         }
2138
2139         if (acceptable || (src_item && src_item == item))
2140                 drag_state_start(folderview, node, item);
2141
2142         if (acceptable) {
2143                 g_signal_handlers_block_by_func
2144                         (G_OBJECT(widget),
2145                          G_CALLBACK(folderview_selected), folderview);
2146                 gtk_ctree_select(GTK_CTREE(widget), node);
2147                 g_signal_handlers_unblock_by_func
2148                         (G_OBJECT(widget),
2149                          G_CALLBACK(folderview_selected), folderview);
2150                 gdk_drag_status(context,
2151                                         (context->actions == GDK_ACTION_COPY ?
2152                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2153         } else {
2154                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2155                 gdk_drag_status(context, 0, time);
2156         }
2157
2158         return acceptable;
2159 }
2160
2161 static void folderview_drag_leave_cb(GtkWidget      *widget,
2162                                      GdkDragContext *context,
2163                                      guint           time,
2164                                      FolderView     *folderview)
2165 {
2166         drag_state_stop(folderview);
2167         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2168 }
2169
2170 static void folderview_drag_received_cb(GtkWidget        *widget,
2171                                         GdkDragContext   *drag_context,
2172                                         gint              x,
2173                                         gint              y,
2174                                         GtkSelectionData *data,
2175                                         guint             info,
2176                                         guint             time,
2177                                         FolderView       *folderview)
2178 {
2179         gint row, column;
2180         FolderItem *item, *src_item;
2181         GtkCTreeNode *node;
2182
2183         drag_state_stop(folderview);
2184         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2185                 /* comes from summaryview */
2186                 if (gtk_clist_get_selection_info
2187                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2188                         return;
2189
2190                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2191                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2192                 src_item = folderview->summaryview->folder_item;
2193
2194                 /* re-check (due to acceptable possibly set for folder moves */
2195                 if (!(item && item->folder && item->path &&
2196                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2197                         return;
2198                 }
2199                 if (item && src_item) {
2200                         switch (drag_context->action) {
2201                         case GDK_ACTION_COPY:
2202                                 summary_copy_selected_to(folderview->summaryview, item);
2203                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2204                                 break;
2205                         case GDK_ACTION_MOVE:
2206                         case GDK_ACTION_DEFAULT:
2207                         default:
2208                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2209                                         summary_copy_selected_to(folderview->summaryview, item);
2210                                 else
2211                                         summary_move_selected_to(folderview->summaryview, item);
2212                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2213                         }
2214                 } else
2215                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2216         } else {
2217                 /* comes from folderview */
2218                 char *source;
2219
2220                 source = data->data + 17;
2221                 if (gtk_clist_get_selection_info
2222                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2223                     || *source == 0) {
2224                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2225                         return;
2226                 }
2227                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2228                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2229                 src_item = folder_find_item_from_identifier(source);
2230
2231                 if (!item || !src_item || src_item->stype != F_NORMAL) {
2232                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2233                         return;
2234                 }
2235
2236                 folderview_move_folder(folderview, src_item, item);
2237                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2238         }
2239         folderview->nodes_to_recollapse = NULL;
2240 }
2241
2242 static void folderview_drag_end_cb(GtkWidget        *widget,
2243                                    GdkDragContext   *drag_context,
2244                                    FolderView       *folderview)
2245 {
2246         drag_state_stop(folderview);
2247         g_slist_free(folderview->nodes_to_recollapse);
2248         folderview->nodes_to_recollapse = NULL;
2249 }
2250
2251 void folderview_register_popup(FolderViewPopup *fpopup)
2252 {
2253         GList *folderviews;
2254
2255         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2256                 FolderView *folderview = folderviews->data;
2257                 GtkItemFactory *factory;
2258
2259                 factory = create_ifactory(folderview, fpopup);
2260                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2261         }
2262         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2263 }
2264
2265 void folderview_unregister_popup(FolderViewPopup *fpopup)
2266 {
2267         GList *folderviews;
2268
2269         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2270                 FolderView *folderview = folderviews->data;
2271
2272                 g_hash_table_remove(folderview->popups, fpopup->klass);
2273         }
2274         g_hash_table_remove(folderview_popups, fpopup->klass);
2275 }