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 #include "prefs_folder_column.h"
  67
  68 #define COL_FOLDER_WIDTH        150
  69 #define COL_NUM_WIDTH           32
  70
  71 static GList *folderview_list = NULL;
  72
  73 static GtkStyle *normal_style;
  74 static GtkStyle *normal_color_style;
  75 static GtkStyle *bold_style;
  76 static GtkStyle *bold_color_style;
  77 static GtkStyle *bold_tgtfold_style;
  78
  79 static GdkPixmap *inboxxpm;
  80 static GdkBitmap *inboxxpmmask;
  81 static GdkPixmap *inboxhrmxpm;
  82 static GdkBitmap *inboxhrmxpmmask;
  83 static GdkPixmap *inboxopenxpm;
  84 static GdkBitmap *inboxopenxpmmask;
  85 static GdkPixmap *inboxopenhrmxpm;
  86 static GdkBitmap *inboxopenhrmxpmmask;
  87 static GdkPixmap *outboxxpm;
  88 static GdkBitmap *outboxxpmmask;
  89 static GdkPixmap *outboxhrmxpm;
  90 static GdkBitmap *outboxhrmxpmmask;
  91 static GdkPixmap *outboxopenxpm;
  92 static GdkBitmap *outboxopenxpmmask;
  93 static GdkPixmap *outboxopenhrmxpm;
  94 static GdkBitmap *outboxopenhrmxpmmask;
  95 static GdkPixmap *folderxpm;
  96 static GdkBitmap *folderxpmmask;
  97 static GdkPixmap *folderhrmxpm;
  98 static GdkBitmap *folderhrmxpmmask;
  99 static GdkPixmap *folderopenxpm;
 100 static GdkBitmap *folderopenxpmmask;
 101 static GdkPixmap *folderopenhrmxpm;
 102 static GdkBitmap *folderopenhrmxpmmask;
 103 static GdkPixmap *trashopenxpm;
 104 static GdkBitmap *trashopenxpmmask;
 105 static GdkPixmap *trashopenhrmxpm;
 106 static GdkBitmap *trashopenhrmxpmmask;
 107 static GdkPixmap *trashxpm;
 108 static GdkBitmap *trashxpmmask;
 109 static GdkPixmap *trashhrmxpm;
 110 static GdkBitmap *trashhrmxpmmask;
 111 static GdkPixmap *queuexpm;
 112 static GdkBitmap *queuexpmmask;
 113 static GdkPixmap *queuehrmxpm;
 114 static GdkBitmap *queuehrmxpmmask;
 115 static GdkPixmap *queueopenxpm;
 116 static GdkBitmap *queueopenxpmmask;
 117 static GdkPixmap *queueopenhrmxpm;
 118 static GdkBitmap *queueopenhrmxpmmask;
 119 static GdkPixmap *draftsxpm;
 120 static GdkBitmap *draftsxpmmask;
 121 static GdkPixmap *draftsopenxpm;
 122 static GdkBitmap *draftsopenxpmmask;
 123 static GdkPixmap *noselectxpm;
 124 static GdkBitmap *noselectxpmmask;
 125
 126 static GdkPixmap *m_inboxxpm;
 127 static GdkBitmap *m_inboxxpmmask;
 128 static GdkPixmap *m_inboxhrmxpm;
 129 static GdkBitmap *m_inboxhrmxpmmask;
 130 static GdkPixmap *m_inboxopenxpm;
 131 static GdkBitmap *m_inboxopenxpmmask;
 132 static GdkPixmap *m_inboxopenhrmxpm;
 133 static GdkBitmap *m_inboxopenhrmxpmmask;
 134 static GdkPixmap *m_outboxxpm;
 135 static GdkBitmap *m_outboxxpmmask;
 136 static GdkPixmap *m_outboxhrmxpm;
 137 static GdkBitmap *m_outboxhrmxpmmask;
 138 static GdkPixmap *m_outboxopenxpm;
 139 static GdkBitmap *m_outboxopenxpmmask;
 140 static GdkPixmap *m_outboxopenhrmxpm;
 141 static GdkBitmap *m_outboxopenhrmxpmmask;
 142 static GdkPixmap *m_folderxpm;
 143 static GdkBitmap *m_folderxpmmask;
 144 static GdkPixmap *m_folderhrmxpm;
 145 static GdkBitmap *m_folderhrmxpmmask;
 146 static GdkPixmap *m_folderopenxpm;
 147 static GdkBitmap *m_folderopenxpmmask;
 148 static GdkPixmap *m_folderopenhrmxpm;
 149 static GdkBitmap *m_folderopenhrmxpmmask;
 150 static GdkPixmap *m_trashopenxpm;
 151 static GdkBitmap *m_trashopenxpmmask;
 152 static GdkPixmap *m_trashopenhrmxpm;
 153 static GdkBitmap *m_trashopenhrmxpmmask;
 154 static GdkPixmap *m_trashxpm;
 155 static GdkBitmap *m_trashxpmmask;
 156 static GdkPixmap *m_trashhrmxpm;
 157 static GdkBitmap *m_trashhrmxpmmask;
 158 static GdkPixmap *m_queuexpm;
 159 static GdkBitmap *m_queuexpmmask;
 160 static GdkPixmap *m_queuehrmxpm;
 161 static GdkBitmap *m_queuehrmxpmmask;
 162 static GdkPixmap *m_queueopenxpm;
 163 static GdkBitmap *m_queueopenxpmmask;
 164 static GdkPixmap *m_queueopenhrmxpm;
 165 static GdkBitmap *m_queueopenhrmxpmmask;
 166 static GdkPixmap *m_draftsxpm;
 167 static GdkBitmap *m_draftsxpmmask;
 168 static GdkPixmap *m_draftsopenxpm;
 169 static GdkBitmap *m_draftsopenxpmmask;
 170
 171 static GdkPixmap *newxpm;
 172 static GdkBitmap *newxpmmask;
 173 static GdkPixmap *unreadxpm;
 174 static GdkBitmap *unreadxpmmask;
 175 static GdkPixmap *readxpm;
 176 static GdkBitmap *readxpmmask;
 177
 178
 179 static void folderview_select_node       (FolderView    *folderview,
 180                                           GtkCTreeNode  *node);
 181 static void folderview_set_folders       (FolderView    *folderview);
 182 static void folderview_sort_folders      (FolderView    *folderview,
 183                                           GtkCTreeNode  *root,
 184                                           Folder        *folder);
 185 static void folderview_append_folder     (FolderView    *folderview,
 186                                           Folder        *folder);
 187 static void folderview_update_node       (FolderView    *folderview,
 188                                           GtkCTreeNode  *node);
 189
 190 static gint folderview_clist_compare    (GtkCList       *clist,
 191                                          gconstpointer   ptr1,
 192                                          gconstpointer   ptr2);
 193
 194 /* callback functions */
 195 static gboolean folderview_button_pressed       (GtkWidget      *ctree,
 196                                                  GdkEventButton *event,
 197                                                  FolderView     *folderview);
 198 static gboolean folderview_button_released      (GtkWidget      *ctree,
 199                                                  GdkEventButton *event,
 200                                                  FolderView     *folderview);
 201 static gboolean folderview_key_pressed  (GtkWidget      *widget,
 202                                          GdkEventKey    *event,
 203                                          FolderView     *folderview);
 204 static void folderview_selected         (GtkCTree       *ctree,
 205                                          GtkCTreeNode   *row,
 206                                          gint            column,
 207                                          FolderView     *folderview);
 208 static void folderview_tree_expanded    (GtkCTree       *ctree,
 209                                          GtkCTreeNode   *node,
 210                                          FolderView     *folderview);
 211 static void folderview_tree_collapsed   (GtkCTree       *ctree,
 212                                          GtkCTreeNode   *node,
 213                                          FolderView     *folderview);
 214 static void folderview_popup_close      (GtkMenuShell   *menu_shell,
 215                                          FolderView     *folderview);
 216 static void folderview_col_resized      (GtkCList       *clist,
 217                                          gint            column,
 218                                          gint            width,
 219                                          FolderView     *folderview);
 220
 221 static void mark_all_read_cb            (FolderView    *folderview,
 222                                          guint           action,
 223                                          GtkWidget      *widget);
 224
 225 static void folderview_empty_trash_cb   (FolderView     *folderview,
 226                                          guint           action,
 227                                          GtkWidget      *widget);
 228
 229 static void folderview_search_cb        (FolderView     *folderview,
 230                                          guint           action,
 231                                          GtkWidget      *widget);
 232
 233 static void folderview_property_cb      (FolderView     *folderview,
 234                                          guint           action,
 235                                          GtkWidget      *widget);
 236
 237 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
 238                                           GdkDragContext *context,
 239                                           gint            x,
 240                                           gint            y,
 241                                           guint           time,
 242                                           FolderView     *folderview);
 243 static void folderview_drag_leave_cb     (GtkWidget        *widget,
 244                                           GdkDragContext   *context,
 245                                           guint             time,
 246                                           FolderView       *folderview);
 247 static void folderview_drag_received_cb  (GtkWidget        *widget,
 248                                           GdkDragContext   *drag_context,
 249                                           gint              x,
 250                                           gint              y,
 251                                           GtkSelectionData *data,
 252                                           guint             info,
 253                                           guint             time,
 254                                           FolderView       *folderview);
 255 static void folderview_start_drag        (GtkWidget *widget, gint button, GdkEvent *event,
 256                                           FolderView       *folderview);
 257 static void folderview_drag_data_get     (GtkWidget        *widget,
 258                                           GdkDragContext   *drag_context,
 259                                           GtkSelectionData *selection_data,
 260                                           guint             info,
 261                                           guint             time,
 262                                           FolderView       *folderview);
 263 static void folderview_drag_end_cb       (GtkWidget        *widget,
 264                                           GdkDragContext   *drag_context,
 265                                           FolderView       *folderview);
 266
 267 void folderview_create_folder_node       (FolderView       *folderview,
 268                                           FolderItem       *item);
 269 gboolean folderview_update_folder        (gpointer          source,
 270                                           gpointer          userdata);
 271 gboolean folderview_update_item_claws    (gpointer          source,
 272                                           gpointer          data);
 273 static void folderview_processing_cb(FolderView *folderview, guint action,
 274                                      GtkWidget *widget);
 275
 276 GHashTable *folderview_popups;
 277
 278 static GtkItemFactoryEntry folderview_common_popup_entries[] =
 279 {
 280         {N_("/Mark all re_ad"),         NULL, mark_all_read_cb, 0, NULL},
 281         {N_("/_Search folder..."),      NULL, folderview_search_cb, 0, NULL},
 282         {N_("/_Properties..."),         NULL, folderview_property_cb, 0, NULL},
 283         {N_("/Process_ing..."),         NULL, folderview_processing_cb, 0, NULL},
 284 };
 285
 286 static GtkItemFactoryEntry folder_view_trash_popup_entries[] = {
 287         {N_("/------"),                 NULL, NULL, 0, "<Separator>"},
 288         {N_("/Empty _trash..."),        NULL, folderview_empty_trash_cb, 0, NULL},
 289 };
 290
 291
 292 GtkTargetEntry folderview_drag_types[] =
 293 {
 294         {"text/plain", GTK_TARGET_SAME_APP, TARGET_DUMMY}
 295 };
 296
 297 void folderview_initialize(void)
 298 {
 299         FolderViewPopup *fpopup;
 300         guint i, n_entries;
 301         GSList *entries = NULL;
 302
 303         fpopup = g_new0(FolderViewPopup, 1);
 304
 305         n_entries = sizeof(folderview_common_popup_entries) /
 306                 sizeof(folderview_common_popup_entries[0]);
 307         for (i = 0; i < n_entries; i++)
 308                 entries = g_slist_append(entries, &folderview_common_popup_entries[i]);
 309
 310         fpopup->klass = "common";
 311         fpopup->path = "<CommonFolder>";
 312         fpopup->entries = entries;
 313         fpopup->set_sensitivity = NULL;
 314
 315         folderview_popups = g_hash_table_new(g_str_hash, g_str_equal);
 316         g_hash_table_insert(folderview_popups, "common", fpopup);
 317 }
 318
 319 static GtkItemFactory *create_ifactory(FolderView *folderview, FolderViewPopup *fpopup)
 320 {
 321         GSList *entries;
 322         GtkItemFactory *factory;
 323         FolderViewPopup *fpopup_common;
 324         GtkWidget *popup;
 325
 326         factory = gtk_item_factory_new(GTK_TYPE_MENU, fpopup->path, NULL);
 327         gtk_item_factory_set_translate_func(factory, menu_translate,
 328                                             NULL, NULL);
 329
 330         for (entries = fpopup->entries; entries != NULL; entries = g_slist_next(entries))
 331                 gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 332
 333         fpopup_common = g_hash_table_lookup(folderview_popups, "common");
 334         if (fpopup_common != fpopup)
 335                 for (entries = fpopup_common->entries; entries != NULL; entries = g_slist_next(entries))
 336                         gtk_item_factory_create_item(factory, entries->data, folderview, 1);
 337
 338         popup = gtk_item_factory_get_widget(factory, fpopup->path);
 339         g_signal_connect(G_OBJECT(popup), "selection_done",
 340                          G_CALLBACK(folderview_popup_close),
 341                          folderview);
 342
 343         return factory;
 344 }
 345
 346 static void create_ifactories(gpointer key, gpointer value, gpointer data)
 347 {
 348         FolderView *folderview = data;
 349         FolderViewPopup *fpopup = value;
 350         GtkItemFactory *factory;
 351
 352         factory = create_ifactory(folderview, fpopup);
 353         g_hash_table_insert(folderview->popups, fpopup->klass, factory);
 354 }
 355
 356 static void folderview_column_set_titles(FolderView *folderview)
 357 {
 358         GtkWidget *ctree = folderview->ctree;
 359         GtkWidget *label_new;
 360         GtkWidget *label_unread;
 361         GtkWidget *label_total;
 362         GtkWidget *hbox_new;
 363         GtkWidget *hbox_unread;
 364         GtkWidget *hbox_total;
 365         gint *col_pos = folderview->col_pos;
 366
 367         gtk_widget_realize(folderview->ctree);
 368         gtk_widget_show_all(folderview->scrolledwin);
 369
 370         /* CLAWS: titles for "New" and "Unread" show new & unread pixmaps
 371          * instead text (text overflows making them unreadable and ugly) */
 372         stock_pixmap_gdk(ctree, STOCK_PIXMAP_NEW,
 373                          &newxpm, &newxpmmask);
 374         stock_pixmap_gdk(ctree, STOCK_PIXMAP_UNREAD,
 375                          &unreadxpm, &unreadxpmmask);
 376         stock_pixmap_gdk(ctree, STOCK_PIXMAP_READ,
 377                          &readxpm, &readxpmmask);
 378
 379         label_new = gtk_pixmap_new(newxpm, newxpmmask);
 380         label_unread = gtk_pixmap_new(unreadxpm, unreadxpmmask);
 381         label_total = gtk_pixmap_new(readxpm, readxpmmask);
 382
 383         hbox_new = gtk_hbox_new(FALSE, 4);
 384         hbox_unread = gtk_hbox_new(FALSE, 4);
 385         hbox_total = gtk_hbox_new(FALSE, 4);
 386
 387         /* left justified */
 388         gtk_box_pack_start(GTK_BOX(hbox_new), label_new, TRUE, TRUE, 0);
 389         gtk_misc_set_alignment (GTK_MISC (label_new), 1, 0.5);
 390         gtk_box_pack_start(GTK_BOX(hbox_unread), label_unread, TRUE, TRUE, 0);
 391         gtk_misc_set_alignment (GTK_MISC (label_unread), 1, 0.5);
 392         gtk_box_pack_start(GTK_BOX(hbox_total), label_total, TRUE, TRUE, 0);
 393         gtk_misc_set_alignment (GTK_MISC (label_total), 1, 0.5);
 394
 395         gtk_widget_show_all(hbox_new);
 396         gtk_widget_show_all(hbox_unread);
 397         gtk_widget_show_all(hbox_total);
 398
 399         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_NEW],hbox_new);
 400         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_UNREAD],hbox_unread);
 401         gtk_clist_set_column_widget(GTK_CLIST(ctree),col_pos[F_COL_TOTAL],hbox_total);
 402 }
 403
 404 GtkWidget *folderview_ctree_create(FolderView *folderview)
 405 {
 406         GtkWidget *ctree;
 407         gint *col_pos;
 408         FolderColumnState *col_state;
 409         FolderColumnType type;
 410         gchar *titles[N_FOLDER_COLS];
 411         gint i;
 412         GtkWidget *scrolledwin = folderview->scrolledwin;
 413
 414         memset(titles, 0, sizeof(titles));
 415
 416         col_state = prefs_folder_column_get_config();
 417         memset(titles, 0, sizeof(titles));
 418
 419         col_pos = folderview->col_pos;
 420
 421         for (i = 0; i < N_FOLDER_COLS; i++) {
 422                 folderview->col_state[i] = col_state[i];
 423                 type = col_state[i].type;
 424                 col_pos[type] = i;
 425         }
 426
 427         titles[col_pos[F_COL_FOLDER]] = _("Folder");
 428         titles[col_pos[F_COL_NEW]]    = _("New");
 429         titles[col_pos[F_COL_UNREAD]] = _("Unread");
 430         titles[col_pos[F_COL_TOTAL]]  = _("#");
 431
 432         ctree = gtk_sctree_new_with_titles(N_FOLDER_COLS, col_pos[F_COL_FOLDER],
 433                                            titles);
 434
 435         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 436         gtk_clist_set_column_justification(GTK_CLIST(ctree), col_pos[F_COL_NEW],
 437                                            GTK_JUSTIFY_RIGHT);
 438         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 439                                            col_pos[F_COL_UNREAD],
 440                                            GTK_JUSTIFY_RIGHT);
 441         gtk_clist_set_column_justification(GTK_CLIST(ctree),
 442                                            col_pos[F_COL_TOTAL],
 443                                            GTK_JUSTIFY_RIGHT);
 444         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_DOTTED);
 445         gtk_ctree_set_expander_style(GTK_CTREE(ctree),
 446                                      GTK_CTREE_EXPANDER_SQUARE);
 447         gtk_ctree_set_indent(GTK_CTREE(ctree), CTREE_INDENT);
 448         gtk_clist_set_compare_func(GTK_CLIST(ctree), folderview_clist_compare);
 449
 450         /* don't let title buttons take key focus */
 451         for (i = 0; i < N_FOLDER_COLS; i++) {
 452                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 453                                        GTK_CAN_FOCUS);
 454                 gtk_clist_set_column_width(GTK_CLIST(ctree), col_pos[i],
 455                                    prefs_common.folder_col_size[i]);
 456                 gtk_clist_set_column_visibility
 457                         (GTK_CLIST(ctree), i, col_state[i].visible);
 458         }
 459
 460         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 461                          G_CALLBACK(folderview_key_pressed),
 462                          folderview);
 463         g_signal_connect(G_OBJECT(ctree), "button_press_event",
 464                          G_CALLBACK(folderview_button_pressed),
 465                          folderview);
 466         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 467                          G_CALLBACK(folderview_button_released),
 468                          folderview);
 469         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 470                          G_CALLBACK(folderview_selected), folderview);
 471         g_signal_connect(G_OBJECT(ctree), "start_drag",
 472                          G_CALLBACK(folderview_start_drag), folderview);
 473         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 474                          G_CALLBACK(folderview_drag_data_get),
 475                          folderview);
 476
 477         g_signal_connect_after(G_OBJECT(ctree), "tree_expand",
 478                                G_CALLBACK(folderview_tree_expanded),
 479                                folderview);
 480         g_signal_connect_after(G_OBJECT(ctree), "tree_collapse",
 481                                G_CALLBACK(folderview_tree_collapsed),
 482                                folderview);
 483
 484         g_signal_connect(G_OBJECT(ctree), "resize_column",
 485                          G_CALLBACK(folderview_col_resized),
 486                          folderview);
 487
 488         /* drop callback */
 489         gtk_drag_dest_set(ctree, GTK_DEST_DEFAULT_ALL & ~GTK_DEST_DEFAULT_HIGHLIGHT,
 490                           summary_drag_types, 1,
 491                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_DEFAULT);
 492         g_signal_connect(G_OBJECT(ctree), "drag_motion",
 493                          G_CALLBACK(folderview_drag_motion_cb),
 494                          folderview);
 495         g_signal_connect(G_OBJECT(ctree), "drag_leave",
 496                          G_CALLBACK(folderview_drag_leave_cb),
 497                          folderview);
 498         g_signal_connect(G_OBJECT(ctree), "drag_data_received",
 499                          G_CALLBACK(folderview_drag_received_cb),
 500                          folderview);
 501         g_signal_connect(G_OBJECT(ctree), "drag_end",
 502                          G_CALLBACK(folderview_drag_end_cb),
 503                          folderview);
 504
 505         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 506
 507         return ctree;
 508 }
 509
 510 void folderview_set_column_order(FolderView *folderview)
 511 {
 512         GtkWidget *ctree;
 513         FolderItem *item = folderview_get_selected_item(folderview);
 514         GtkWidget *scrolledwin = folderview->scrolledwin;
 515
 516         gtk_widget_destroy(folderview->ctree);
 517
 518         folderview->ctree = ctree = folderview_ctree_create(folderview);
 519         gtk_scrolled_window_set_hadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 520                                             GTK_CLIST(ctree)->hadjustment);
 521         gtk_scrolled_window_set_vadjustment(GTK_SCROLLED_WINDOW(scrolledwin),
 522                                             GTK_CLIST(ctree)->vadjustment);
 523         gtk_widget_show(ctree);
 524
 525         folderview_set(folderview);
 526         folderview_column_set_titles(folderview);
 527
 528         folderview_select(folderview,item);
 529 }
 530
 531 FolderView *folderview_create(void)
 532 {
 533         FolderView *folderview;
 534         GtkWidget *scrolledwin;
 535         GtkWidget *ctree;
 536
 537         debug_print("Creating folder view...\n");
 538         folderview = g_new0(FolderView, 1);
 539
 540         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 541         gtk_scrolled_window_set_policy
 542                 (GTK_SCROLLED_WINDOW(scrolledwin),
 543                  GTK_POLICY_AUTOMATIC,
 544                  prefs_common.folderview_vscrollbar_policy);
 545         gtk_widget_set_size_request(scrolledwin,
 546                              prefs_common.folderview_width,
 547                              prefs_common.folderview_height);
 548
 549         folderview->scrolledwin  = scrolledwin;
 550         ctree = folderview_ctree_create(folderview);
 551
 552         /* create popup factories */
 553         folderview->popups = g_hash_table_new(g_str_hash, g_str_equal);
 554         g_hash_table_foreach(folderview_popups, create_ifactories, folderview);
 555
 556         folderview->ctree        = ctree;
 557
 558         folderview->folder_update_callback_id =
 559                 hooks_register_hook(FOLDER_UPDATE_HOOKLIST, folderview_update_folder, (gpointer) folderview);
 560         folderview->folder_item_update_callback_id =
 561                 hooks_register_hook(FOLDER_ITEM_UPDATE_HOOKLIST, folderview_update_item_claws, (gpointer) folderview);
 562
 563         gtk_widget_show_all(scrolledwin);
 564
 565         folderview->target_list = gtk_target_list_new(folderview_drag_types, 1);
 566         folderview_list = g_list_append(folderview_list, folderview);
 567
 568         return folderview;
 569 }
 570
 571 void folderview_init(FolderView *folderview)
 572 {
 573         GtkWidget *ctree = folderview->ctree;
 574
 575         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE, &inboxxpm, &inboxxpmmask);
 576         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM, &inboxhrmxpm, &inboxhrmxpmmask);
 577         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN, &inboxopenxpm, &inboxopenxpmmask);
 578         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM, &inboxopenhrmxpm, &inboxopenhrmxpmmask);
 579         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE, &outboxxpm, &outboxxpmmask);
 580         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM, &outboxhrmxpm, &outboxhrmxpmmask);
 581         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN, &outboxopenxpm, &outboxopenxpmmask);
 582         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM, &outboxopenhrmxpm, &outboxopenhrmxpmmask);
 583         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE, &folderxpm, &folderxpmmask);
 584         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM, &folderhrmxpm, &folderhrmxpmmask);
 585         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN, &folderopenxpm, &folderopenxpmmask);
 586         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM, &folderopenhrmxpm, &folderopenhrmxpmmask);
 587         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN, &trashopenxpm, &trashopenxpmmask);
 588         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM, &trashopenhrmxpm, &trashopenhrmxpmmask);
 589         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE, &trashxpm, &trashxpmmask);
 590         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM, &trashhrmxpm, &trashhrmxpmmask);
 591         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE, &queuexpm, &queuexpmmask);
 592         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM, &queuehrmxpm, &queuehrmxpmmask);
 593         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN, &queueopenxpm, &queueopenxpmmask);
 594         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM, &queueopenhrmxpm, &queueopenhrmxpmmask);
 595         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE, &draftsxpm, &draftsxpmmask);
 596         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN, &draftsopenxpm, &draftsopenxpmmask);
 597         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_NOSELECT, &noselectxpm, &noselectxpmmask);
 598
 599         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_MARK, &m_inboxxpm, &m_inboxxpmmask);
 600         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_CLOSE_HRM_MARK, &m_inboxhrmxpm, &m_inboxhrmxpmmask);
 601         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_MARK, &m_inboxopenxpm, &m_inboxopenxpmmask);
 602         stock_pixmap_gdk(ctree, STOCK_PIXMAP_INBOX_OPEN_HRM_MARK, &m_inboxopenhrmxpm, &m_inboxopenhrmxpmmask);
 603         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_MARK, &m_outboxxpm, &m_outboxxpmmask);
 604         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_CLOSE_HRM_MARK, &m_outboxhrmxpm, &m_outboxhrmxpmmask);
 605         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_MARK, &m_outboxopenxpm, &m_outboxopenxpmmask);
 606         stock_pixmap_gdk(ctree, STOCK_PIXMAP_OUTBOX_OPEN_HRM_MARK, &m_outboxopenhrmxpm, &m_outboxopenhrmxpmmask);
 607         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_MARK, &m_folderxpm, &m_folderxpmmask);
 608         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_CLOSE_HRM_MARK, &m_folderhrmxpm, &m_folderhrmxpmmask);
 609         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_MARK, &m_folderopenxpm, &m_folderopenxpmmask);
 610         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DIR_OPEN_HRM_MARK, &m_folderopenhrmxpm, &m_folderopenhrmxpmmask);
 611         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_MARK, &m_trashopenxpm, &m_trashopenxpmmask);
 612         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_OPEN_HRM_MARK, &m_trashopenhrmxpm, &m_trashopenhrmxpmmask);
 613         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_MARK, &m_trashxpm, &m_trashxpmmask);
 614         stock_pixmap_gdk(ctree, STOCK_PIXMAP_TRASH_CLOSE_HRM_MARK, &m_trashhrmxpm, &m_trashhrmxpmmask);
 615         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_MARK, &m_queuexpm, &m_queuexpmmask);
 616         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_CLOSE_HRM_MARK, &m_queuehrmxpm, &m_queuehrmxpmmask);
 617         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_MARK, &m_queueopenxpm, &m_queueopenxpmmask);
 618         stock_pixmap_gdk(ctree, STOCK_PIXMAP_QUEUE_OPEN_HRM_MARK, &m_queueopenhrmxpm, &m_queueopenhrmxpmmask);
 619         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_CLOSE_MARK, &m_draftsxpm, &m_draftsxpmmask);
 620         stock_pixmap_gdk(ctree, STOCK_PIXMAP_DRAFTS_OPEN_MARK, &m_draftsopenxpm, &m_draftsopenxpmmask);
 621
 622         if (!normal_style) {
 623                 PangoFontDescription *font_desc;
 624                 normal_style = gtk_style_copy(gtk_widget_get_style(ctree));
 625                 font_desc = pango_font_description_from_string(NORMAL_FONT);
 626                 if (font_desc) {
 627                         if (normal_style->font_desc)
 628                                 pango_font_description_free
 629                                         (normal_style->font_desc);
 630                         normal_style->font_desc = font_desc;
 631                 }
 632                 normal_color_style = gtk_style_copy(normal_style);
 633                 normal_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 634
 635                 gtk_widget_set_style(ctree, normal_style);
 636         }
 637
 638         if (!bold_style) {
 639                 PangoFontDescription *font_desc;
 640                 bold_style = gtk_style_copy(gtk_widget_get_style(ctree));
 641                 font_desc = pango_font_description_from_string(BOLD_FONT);
 642                 if (font_desc) {
 643                         if (bold_style->font_desc)
 644                                 pango_font_description_free
 645                                         (bold_style->font_desc);
 646                         bold_style->font_desc = font_desc;
 647                 }
 648                 pango_font_description_set_weight
 649                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
 650                 bold_color_style = gtk_style_copy(bold_style);
 651                 bold_color_style->fg[GTK_STATE_NORMAL] = folderview->color_new;
 652
 653                 bold_tgtfold_style = gtk_style_copy(bold_style);
 654                 bold_tgtfold_style->fg[GTK_STATE_NORMAL] = folderview->color_op;
 655         }
 656 }
 657
 658 void folderview_set(FolderView *folderview)
 659 {
 660         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 661         MainWindow *mainwin = folderview->mainwin;
 662
 663         debug_print("Setting folder info...\n");
 664         STATUSBAR_PUSH(mainwin, _("Setting folder info..."));
 665
 666         main_window_cursor_wait(mainwin);
 667
 668         folderview->selected = NULL;
 669         folderview->opened = NULL;
 670
 671         gtk_clist_freeze(GTK_CLIST(ctree));
 672         gtk_clist_clear(GTK_CLIST(ctree));
 673         gtk_clist_thaw(GTK_CLIST(ctree));
 674         gtk_clist_freeze(GTK_CLIST(ctree));
 675
 676         folderview_set_folders(folderview);
 677
 678         gtk_clist_thaw(GTK_CLIST(ctree));
 679         main_window_cursor_normal(mainwin);
 680         STATUSBAR_POP(mainwin);
 681 }
 682
 683 void folderview_set_all(void)
 684 {
 685         GList *list;
 686
 687         for (list = folderview_list; list != NULL; list = list->next)
 688                 folderview_set((FolderView *)list->data);
 689 }
 690
 691 void folderview_select(FolderView *folderview, FolderItem *item)
 692 {
 693         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 694         GtkCTreeNode *node;
 695         GtkCTreeNode *old_selected = folderview->selected;
 696
 697         if (!item) return;
 698
 699         node = gtk_ctree_find_by_row_data(ctree, NULL, item);
 700         if (node) folderview_select_node(folderview, node);
 701
 702         if (old_selected != node)
 703                 folder_update_op_count();
 704 }
 705
 706 static void mark_all_read_cb(FolderView *folderview, guint action,
 707                              GtkWidget *widget)
 708 {
 709         FolderItem *item;
 710
 711         item = folderview_get_selected_item(folderview);
 712         if (item == NULL)
 713                 return;
 714
 715         summary_lock(folderview->summaryview);
 716         folder_item_update_freeze();
 717         if (folderview->summaryview->folder_item == item)
 718                 gtk_clist_freeze(GTK_CLIST(folderview->summaryview->ctree));
 719         folderutils_mark_all_read(item);
 720         if (folderview->summaryview->folder_item == item)
 721                 gtk_clist_thaw(GTK_CLIST(folderview->summaryview->ctree));
 722         folder_item_update_thaw();
 723         summary_unlock(folderview->summaryview);
 724 }
 725
 726 static void folderview_select_node(FolderView *folderview, GtkCTreeNode *node)
 727 {
 728         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 729
 730         g_return_if_fail(node != NULL);
 731
 732         folderview->open_folder = TRUE;
 733         gtkut_ctree_set_focus_row(ctree, node);
 734         gtk_ctree_select(ctree, node);
 735         if (folderview->summaryview->folder_item &&
 736             folderview->summaryview->folder_item->total_msgs > 0)
 737                 gtk_widget_grab_focus(folderview->summaryview->ctree);
 738         else
 739                 gtk_widget_grab_focus(folderview->ctree);
 740
 741         gtkut_ctree_expand_parent_all(ctree, node);
 742 }
 743
 744 void folderview_unselect(FolderView *folderview)
 745 {
 746         if (folderview->opened && !GTK_CTREE_ROW(folderview->opened)->children)
 747                 gtk_ctree_collapse
 748                         (GTK_CTREE(folderview->ctree), folderview->opened);
 749
 750         folderview->selected = folderview->opened = NULL;
 751 }
 752
 753 static GtkCTreeNode *folderview_find_next_unread(GtkCTree *ctree,
 754                                                  GtkCTreeNode *node)
 755 {
 756         FolderItem *item;
 757
 758         if (node)
 759                 node = gtkut_ctree_node_next(ctree, node);
 760         else
 761                 node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 762
 763         for (; node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 764                 item = gtk_ctree_node_get_row_data(ctree, node);
 765                 if (item && item->unread_msgs > 0 && item->stype != F_TRASH)
 766                         return node;
 767         }
 768
 769         return NULL;
 770 }
 771
 772 void folderview_select_next_unread(FolderView *folderview)
 773 {
 774         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 775         GtkCTreeNode *node = NULL;
 776
 777         if ((node = folderview_find_next_unread(ctree, folderview->opened))
 778             != NULL) {
 779                 folderview_select_node(folderview, node);
 780                 return;
 781         }
 782
 783         if (!folderview->opened ||
 784             folderview->opened == GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list))
 785                 return;
 786         /* search again from the first node */
 787         if ((node = folderview_find_next_unread(ctree, NULL)) != NULL)
 788                 folderview_select_node(folderview, node);
 789 }
 790
 791 FolderItem *folderview_get_selected_item(FolderView *folderview)
 792 {
 793         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 794
 795         if (!folderview->selected) return NULL;
 796         return gtk_ctree_node_get_row_data(ctree, folderview->selected);
 797 }
 798
 799 void folderview_update_msg_num(FolderView *folderview, GtkCTreeNode *row)
 800 {
 801         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 802         static GtkCTreeNode *prev_row = NULL;
 803         FolderItem *item;
 804         gint new, unread, total;
 805         gchar *new_str, *unread_str, *total_str;
 806         gint *col_pos = folderview->col_pos;
 807
 808         if (!row) return;
 809
 810         item = gtk_ctree_node_get_row_data(ctree, row);
 811         if (!item) return;
 812
 813         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_NEW], &new_str);
 814         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_UNREAD], &unread_str);
 815         gtk_ctree_node_get_text(ctree, row, col_pos[F_COL_TOTAL], &total_str);
 816         new = atoi(new_str);
 817         unread = atoi(unread_str);
 818         total = atoi(total_str);
 819
 820         prev_row = row;
 821
 822         folderview_update_node(folderview, row);
 823 }
 824
 825 void folderview_append_item(FolderItem *item)
 826 {
 827         GList *list;
 828
 829         g_return_if_fail(item != NULL);
 830         g_return_if_fail(item->folder != NULL);
 831         if (folder_item_parent(item)) return;
 832
 833         for (list = folderview_list; list != NULL; list = list->next) {
 834                 FolderView *folderview = (FolderView *)list->data;
 835                 GtkCTree *ctree = GTK_CTREE(folderview->ctree);
 836                 GtkCTreeNode *node, *child;
 837                 gint *col_pos = folderview->col_pos;
 838
 839                 node = gtk_ctree_find_by_row_data(ctree, NULL,
 840                                                   folder_item_parent(item));
 841                 if (node) {
 842                         child = gtk_ctree_find_by_row_data(ctree, node, item);
 843                         if (!child) {
 844                                 gchar *text[N_FOLDER_COLS] =
 845                                         {NULL, "0", "0", "0"};
 846
 847                                 gtk_clist_freeze(GTK_CLIST(ctree));
 848
 849                                 text[col_pos[F_COL_FOLDER]] = item->name;
 850                                 child = gtk_ctree_insert_node
 851                                         (ctree, node, NULL, text,
 852                                          FOLDER_SPACING,
 853                                          folderxpm, folderxpmmask,
 854                                          folderopenxpm, folderopenxpmmask,
 855                                          FALSE, FALSE);
 856                                 gtk_ctree_node_set_row_data(ctree, child, item);
 857                                 gtk_ctree_expand(ctree, node);
 858                                 folderview_update_node(folderview, child);
 859                                 folderview_sort_folders(folderview, node,
 860                                                         item->folder);
 861
 862                                 gtk_clist_thaw(GTK_CLIST(ctree));
 863                         }
 864                 }
 865         }
 866 }
 867
 868 static void folderview_set_folders(FolderView *folderview)
 869 {
 870         GList *list;
 871
 872         list = folder_get_list();
 873
 874         for (; list != NULL; list = list->next)
 875                 folderview_append_folder(folderview, FOLDER(list->data));
 876 }
 877
 878 static void folderview_scan_tree_func(Folder *folder, FolderItem *item,
 879                                       gpointer data)
 880 {
 881         GList *list;
 882
 883         for (list = folderview_list; list != NULL; list = list->next) {
 884                 FolderView *folderview = (FolderView *)list->data;
 885                 MainWindow *mainwin = folderview->mainwin;
 886                 gchar *str;
 887
 888                 if (item->path)
 889                         str = g_strdup_printf(_("Scanning folder %s%c%s ..."),
 890                                               item->folder->name, G_DIR_SEPARATOR,
 891                                               item->path);
 892                 else
 893                         str = g_strdup_printf(_("Scanning folder %s ..."),
 894                                               item->folder->name);
 895
 896                 STATUSBAR_PUSH(mainwin, str);
 897                 STATUSBAR_POP(mainwin);
 898                 g_free(str);
 899         }
 900 }
 901
 902 static GtkWidget *label_window_create(const gchar *str)
 903 {
 904         GtkWidget *window;
 905         GtkWidget *label;
 906
 907         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 908         gtk_widget_set_size_request(window, 380, 60);
 909         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 910         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 911         gtk_window_set_title(GTK_WINDOW(window), str);
 912         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 913         gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 914         manage_window_set_transient(GTK_WINDOW(window));
 915
 916         label = gtk_label_new(str);
 917         gtk_container_add(GTK_CONTAINER(window), label);
 918         gtk_widget_show(label);
 919
 920         gtk_widget_show_now(window);
 921
 922         return window;
 923 }
 924
 925 void folderview_rescan_tree(Folder *folder)
 926 {
 927         GtkWidget *window;
 928
 929         g_return_if_fail(folder != NULL);
 930
 931         if (!folder->klass->scan_tree) return;
 932
 933         inc_lock();
 934         window = label_window_create(_("Rebuilding folder tree..."));
 935
 936         folder_set_ui_func(folder, folderview_scan_tree_func, NULL);
 937         folder_scan_tree(folder);
 938         folder_set_ui_func(folder, NULL, NULL);
 939
 940         folderview_set_all();
 941
 942         gtk_widget_destroy(window);
 943         inc_unlock();
 944 }
 945
 946 /** folderview_check_new()
 947  *  Scan and update the folder and return the
 948  *  count the number of new messages since last check.
 949  *  \param folder the folder to check for new messages
 950  *  \return the number of new messages since last check
 951  */
 952 gint folderview_check_new(Folder *folder)
 953 {
 954         GList *list;
 955         FolderItem *item;
 956         FolderView *folderview;
 957         GtkCTree *ctree;
 958         GtkCTreeNode *node;
 959         gint new_msgs = 0;
 960         gint former_new_msgs = 0;
 961         gint former_new = 0;
 962
 963         for (list = folderview_list; list != NULL; list = list->next) {
 964                 folderview = (FolderView *)list->data;
 965                 ctree = GTK_CTREE(folderview->ctree);
 966
 967                 inc_lock();
 968                 main_window_lock(folderview->mainwin);
 969                 gtk_widget_set_sensitive(folderview->ctree, FALSE);
 970
 971                 for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 972                      node != NULL; node = gtkut_ctree_node_next(ctree, node)) {
 973                         item = gtk_ctree_node_get_row_data(ctree, node);
 974                         if (!item || !item->path || !item->folder) continue;
 975                         if (item->no_select) continue;
 976                         if (folder && folder != item->folder) continue;
 977                         if (!folder && !FOLDER_IS_LOCAL(item->folder)) continue;
 978                         if (!item->prefs->newmailcheck) continue;
 979
 980                         folderview_scan_tree_func(item->folder, item, NULL);
 981                         former_new = item->new_msgs;
 982
 983                         if (folder_item_scan(item) < 0) {
 984                                 summaryview_unlock(folderview->summaryview, item);
 985                                 if (folder && !FOLDER_IS_LOCAL(folder))
 986                                         break;
 987                         }
 988
 989                         folderview_update_node(folderview, node);
 990                         new_msgs += item->new_msgs;
 991                         former_new_msgs += former_new;
 992                 }
 993
 994                 gtk_widget_set_sensitive(folderview->ctree, TRUE);
 995                 main_window_unlock(folderview->mainwin);
 996                 inc_unlock();
 997         }
 998
 999         folder_write_list();
1000         /* Number of new messages since last check is the just the difference
1001          * between former_new_msgs and new_msgs. If new_msgs is less than
1002          * former_new_msgs, that would mean another session accessed the folder
1003          * and the result is not well defined.
1004          */
1005         new_msgs = (former_new_msgs < new_msgs ? new_msgs - former_new_msgs : 0);
1006         return new_msgs;
1007 }
1008
1009 void folderview_check_new_all(void)
1010 {
1011         GList *list;
1012         GtkWidget *window;
1013         FolderView *folderview;
1014
1015         folderview = (FolderView *)folderview_list->data;
1016
1017         inc_lock();
1018         main_window_lock(folderview->mainwin);
1019         window = label_window_create
1020                 (_("Checking for new messages in all folders..."));
1021
1022         list = folder_get_list();
1023         for (; list != NULL; list = list->next) {
1024                 Folder *folder = list->data;
1025
1026                 folderview_check_new(folder);
1027         }
1028
1029         folder_write_list();
1030         folderview_set_all();
1031
1032         gtk_widget_destroy(window);
1033         main_window_unlock(folderview->mainwin);
1034         inc_unlock();
1035 }
1036
1037 static gboolean folderview_have_new_children_sub(FolderView *folderview,
1038                                                  FolderItem *item,
1039                                                  gboolean in_sub)
1040 {
1041         GNode *node = NULL;
1042
1043         if (!item || !item->folder || !item->folder->node)
1044                 return FALSE;
1045
1046         node = item->folder->node;
1047
1048         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1049         node = node->children;
1050
1051         if (in_sub &&
1052             (item->new_msgs > 0 ||
1053             (item->stype == F_QUEUE && item->total_msgs > 0))) {
1054                 return TRUE;
1055         }
1056
1057         while (node != NULL) {
1058                 if (node && node->data) {
1059                         FolderItem *next_item = (FolderItem*) node->data;
1060                         node = node->next;
1061                         if (folderview_have_new_children_sub(folderview,
1062                                                              next_item, TRUE))
1063                                 return TRUE;
1064                 }
1065         }
1066
1067         return FALSE;
1068 }
1069
1070 static gboolean folderview_have_new_children(FolderView *folderview,
1071                                              FolderItem *item)
1072 {
1073         return folderview_have_new_children_sub(folderview, item, FALSE);
1074 }
1075
1076 static gboolean folderview_have_unread_children_sub(FolderView *folderview,
1077                                                     FolderItem *item,
1078                                                     gboolean in_sub)
1079 {
1080         GNode *node = NULL;
1081
1082         if (!item || !item->folder || !item->folder->node)
1083                 return FALSE;
1084
1085         node = item->folder->node;
1086
1087         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1088         node = node->children;
1089
1090         if (in_sub &&
1091             (item->unread_msgs > 0 ||
1092             (item->stype == F_QUEUE && item->total_msgs > 0))) {
1093                 return TRUE;
1094         }
1095
1096         while (node != NULL) {
1097                 if (node && node->data) {
1098                         FolderItem *next_item = (FolderItem*) node->data;
1099                         node = node->next;
1100                         if (folderview_have_unread_children_sub(folderview,
1101                                                                 next_item,
1102                                                                 TRUE))
1103                                 return TRUE;
1104                 }
1105         }
1106
1107         return FALSE;
1108 }
1109
1110 static gboolean folderview_have_unread_children(FolderView *folderview,
1111                                                 FolderItem *item)
1112 {
1113         return folderview_have_unread_children_sub(folderview, item, FALSE);
1114 }
1115
1116 static gboolean folderview_have_matching_children_sub(FolderView *folderview,
1117                                                       FolderItem *item,
1118                                                       gboolean in_sub)
1119 {
1120         GNode *node = NULL;
1121
1122         if (!item || !item->folder || !item->folder->node)
1123                 return FALSE;
1124
1125         node = item->folder->node;
1126
1127         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1128         node = node->children;
1129
1130         if (in_sub && item->search_match){
1131                 return TRUE;
1132         }
1133
1134         while (node != NULL) {
1135                 if (node && node->data) {
1136                         FolderItem *next_item = (FolderItem*) node->data;
1137                         node = node->next;
1138                         if (folderview_have_matching_children_sub(folderview,
1139                                                                   next_item,
1140                                                                   TRUE))
1141                                 return TRUE;
1142                 }
1143         }
1144
1145         return FALSE;
1146 }
1147
1148 static gboolean folderview_have_matching_children(FolderView *folderview,
1149                                                   FolderItem *item)
1150 {
1151         return folderview_have_matching_children_sub(folderview, item, FALSE);
1152 }
1153
1154 static void folderview_update_node(FolderView *folderview, GtkCTreeNode *node)
1155 {
1156         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1157         GtkStyle *style = NULL;
1158         GtkStyle *color_style = NULL;
1159         FolderItem *item;
1160         GdkPixmap *xpm, *openxpm;
1161         GdkBitmap *mask, *openmask;
1162         static GdkPixmap *searchicon;
1163         static GdkBitmap *searchmask;
1164         gboolean mark = FALSE;
1165         gchar *name;
1166         gchar *str;
1167         gboolean add_unread_mark;
1168         gboolean add_sub_match_mark;
1169         gboolean use_bold, use_color;
1170         gint *col_pos = folderview->col_pos;
1171
1172         item = gtk_ctree_node_get_row_data(ctree, node);
1173         g_return_if_fail(item != NULL);
1174
1175         mark = (item->marked_msgs != 0);
1176
1177         switch (item->stype) {
1178         case F_INBOX:
1179                 if (item->hide_read_msgs) {
1180                         xpm = mark?m_inboxhrmxpm:inboxhrmxpm;
1181                         mask = mark?m_inboxhrmxpmmask:inboxhrmxpmmask;
1182                         openxpm = mark?m_inboxopenhrmxpm:inboxopenhrmxpm;
1183                         openmask = mark?m_inboxopenhrmxpmmask:inboxopenhrmxpmmask;
1184                 } else {
1185                         xpm = mark?m_inboxxpm:inboxxpm;
1186                         mask = mark?m_inboxxpmmask:inboxxpmmask;
1187                         openxpm = mark?m_inboxopenxpm:inboxopenxpm;
1188                         openmask = mark?m_inboxopenxpmmask:inboxopenxpmmask;
1189                 }
1190                 break;
1191         case F_OUTBOX:
1192                 if (item->hide_read_msgs) {
1193                         xpm = mark?m_outboxhrmxpm:outboxhrmxpm;
1194                         mask = mark?m_outboxhrmxpmmask:outboxhrmxpmmask;
1195                         openxpm = mark?m_outboxopenhrmxpm:outboxopenhrmxpm;
1196                         openmask = mark?m_outboxopenhrmxpmmask:outboxopenhrmxpmmask;
1197                 } else {
1198                         xpm = mark?m_outboxxpm:outboxxpm;
1199                         mask = mark?m_outboxxpmmask:outboxxpmmask;
1200                         openxpm = mark?m_outboxopenxpm:outboxopenxpm;
1201                         openmask = mark?m_outboxopenxpmmask:outboxopenxpmmask;
1202                 }
1203                 break;
1204         case F_QUEUE:
1205                 if (item->hide_read_msgs) {
1206                         xpm = mark?m_queuehrmxpm:queuehrmxpm;
1207                         mask = mark?m_queuehrmxpmmask:queuehrmxpmmask;
1208                         openxpm = mark?m_queueopenhrmxpm:queueopenhrmxpm;
1209                         openmask = mark?m_queueopenhrmxpmmask:queueopenhrmxpmmask;
1210                 } else {
1211                         xpm = mark?m_queuexpm:queuexpm;
1212                         mask = mark?m_queuexpmmask:queuexpmmask;
1213                         openxpm = mark?m_queueopenxpm:queueopenxpm;
1214                         openmask = mark?m_queueopenxpmmask:queueopenxpmmask;
1215                 }
1216                 break;
1217         case F_TRASH:
1218                 if (item->hide_read_msgs) {
1219                         xpm = mark?m_trashhrmxpm:trashhrmxpm;
1220                         mask = mark?m_trashhrmxpmmask:trashhrmxpmmask;
1221                         openxpm = mark?m_trashopenhrmxpm:trashopenhrmxpm;
1222                         openmask = mark?m_trashopenhrmxpmmask:trashopenhrmxpmmask;
1223                 } else {
1224                         xpm = mark?m_trashxpm:trashxpm;
1225                         mask = mark?m_trashxpmmask:trashxpmmask;
1226                         openxpm = mark?m_trashopenxpm:trashopenxpm;
1227                         openmask = mark?m_trashopenxpmmask:trashopenxpmmask;
1228                 }
1229                 break;
1230         case F_DRAFT:
1231                 xpm = mark?m_draftsxpm:draftsxpm;
1232                 mask = mark?m_draftsxpmmask:draftsxpmmask;
1233                 openxpm = mark?m_draftsopenxpm:draftsopenxpm;
1234                 openmask = mark?m_draftsopenxpmmask:draftsopenxpmmask;
1235                 break;
1236         default:
1237                 if (item->hide_read_msgs) {
1238                         xpm = mark?m_folderhrmxpm:folderhrmxpm;
1239                         mask = mark?m_folderhrmxpmmask:folderhrmxpmmask;
1240                         openxpm = mark?m_folderopenhrmxpm:folderopenhrmxpm;
1241                         openmask = mark?m_folderopenhrmxpmmask:folderopenhrmxpmmask;
1242                 } else {
1243                         xpm = mark?m_folderxpm:folderxpm;
1244                         mask = mark?m_folderxpmmask:folderxpmmask;
1245                         openxpm = mark?m_folderopenxpm:folderopenxpm;
1246                         openmask = mark?m_folderopenxpmmask:folderopenxpmmask;
1247                 }
1248         }
1249
1250         if (item->no_select) {
1251                 xpm = openxpm = noselectxpm;
1252                 mask = openmask = noselectxpmmask;
1253         }
1254
1255         name = folder_item_get_name(item);
1256
1257         if (!GTK_CTREE_ROW(node)->expanded) {
1258                 add_unread_mark = folderview_have_unread_children(
1259                                         folderview, item);
1260                 add_sub_match_mark = folderview_have_matching_children(
1261                                         folderview, item);
1262         } else {
1263                 add_unread_mark = FALSE;
1264                 add_sub_match_mark = FALSE;
1265         }
1266
1267         if (item->search_match) {
1268                 if (!searchicon) {
1269                         stock_pixmap_gdk(folderview->ctree, STOCK_PIXMAP_QUICKSEARCH,
1270                          &searchicon, &searchmask);
1271                 }
1272                 xpm = openxpm = searchicon;
1273                 mask = openmask = searchmask;
1274         }
1275
1276         if (item->stype == F_QUEUE && item->total_msgs > 0 &&
1277             prefs_common.display_folder_unread) {
1278                 str = g_strdup_printf("%s (%d%s)", name, item->total_msgs,
1279                                       add_unread_mark ? "+" : "");
1280                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1281                                         xpm, mask, openxpm, openmask,
1282                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1283                 g_free(str);
1284         } else if (((item->unread_msgs > 0 || add_unread_mark) &&
1285                     prefs_common.display_folder_unread)
1286                    || add_sub_match_mark) {
1287
1288                 if (item->unread_msgs > 0)
1289                         str = g_strdup_printf("%s (%d%s%s)", name, item->unread_msgs,
1290                                               add_unread_mark || add_sub_match_mark ? "+" : "",
1291                                               item->unreadmarked_msgs > 0 ? "!":"");
1292                 else
1293                         str = g_strdup_printf("%s (+)", name);
1294                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1295                                         xpm, mask, openxpm, openmask,
1296                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1297                 g_free(str);
1298         } else {
1299                 str = g_strdup_printf("%s%s", name,
1300                                       item->unreadmarked_msgs > 0 ? " (!)":"");
1301
1302                 gtk_ctree_set_node_info(ctree, node, str, FOLDER_SPACING,
1303                                         xpm, mask, openxpm, openmask,
1304                                         FALSE, GTK_CTREE_ROW(node)->expanded);
1305                 g_free(str);
1306         }
1307         g_free(name);
1308
1309         if (!folder_item_parent(item)) {
1310                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    "-");
1311                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], "-");
1312                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  "-");
1313         } else {
1314                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_NEW],    itos(item->new_msgs));
1315                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_UNREAD], itos(item->unread_msgs));
1316                 gtk_ctree_node_set_text(ctree, node, col_pos[F_COL_TOTAL],  itos(item->total_msgs));
1317         }
1318
1319         if (item->stype == F_OUTBOX || item->stype == F_DRAFT ||
1320             item->stype == F_TRASH) {
1321                 use_bold = use_color = FALSE;
1322         } else if (item->stype == F_QUEUE) {
1323                 /* highlight queue folder if there are any messages */
1324                 use_bold = use_color = (item->total_msgs > 0);
1325         } else {
1326                 /* if unread messages exist, print with bold font */
1327                 use_bold = (item->unread_msgs > 0) || add_unread_mark;
1328                 /* if new messages exist, print with colored letter */
1329                 use_color =
1330                         (item->new_msgs > 0) ||
1331                         (add_unread_mark &&
1332                          folderview_have_new_children(folderview, item));
1333         }
1334
1335         gtk_ctree_node_set_foreground(ctree, node, NULL);
1336
1337         if (use_bold) {
1338                 if (item->prefs->color > 0 && !use_color) {
1339                         GdkColor gdk_color;
1340
1341                         gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1342                         color_style = gtk_style_copy(bold_style);
1343                         color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1344                         style = color_style;
1345                 } else if (use_color)
1346                         style = bold_color_style;
1347                 else
1348                         style = bold_style;
1349                 if (item->op_count > 0) {
1350                         style = bold_tgtfold_style;
1351                 }
1352         } else if (use_color) {
1353                 style = normal_color_style;
1354                 gtk_ctree_node_set_foreground(ctree, node,
1355                                               &folderview->color_new);
1356         } else if (item->op_count > 0) {
1357                 style = bold_tgtfold_style;
1358         } else if (item->prefs->color > 0) {
1359                 GdkColor gdk_color;
1360                 gtkut_convert_int_to_gdk_color(item->prefs->color, &gdk_color);
1361                 color_style = gtk_style_copy(normal_style);
1362                 color_style->fg[GTK_STATE_NORMAL] = gdk_color;
1363                 style = color_style;
1364         } else {
1365                 style = normal_style;
1366         }
1367
1368         gtk_ctree_node_set_row_style(ctree, node, style);
1369
1370         if ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL)
1371                 folderview_update_node(folderview, node);
1372 }
1373
1374 #if !CLAWS /* keep it here for syncs */
1375 void folderview_update_item(FolderItem *item, gboolean update_summary)
1376 {
1377         GList *list;
1378         FolderView *folderview;
1379         GtkCTree *ctree;
1380         GtkCTreeNode *node;
1381
1382         g_return_if_fail(item != NULL);
1383
1384         for (list = folderview_list; list != NULL; list = list->next) {
1385                 folderview = (FolderView *)list->data;
1386                 ctree = GTK_CTREE(folderview->ctree);
1387
1388                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1389                 if (node) {
1390                         folderview_update_node(folderview, node);
1391                         if (update_summary && folderview->opened == node)
1392                                 summary_show(folderview->summaryview,
1393                                              item, FALSE);
1394                 }
1395         }
1396 }
1397 #endif
1398
1399 void folderview_update_search_icon(FolderItem *item, gboolean matches)
1400 {
1401         GList *list;
1402         FolderView *folderview;
1403         GtkCTree *ctree;
1404         GtkCTreeNode *node;
1405
1406         g_return_if_fail(item != NULL);
1407
1408         for (list = folderview_list; list != NULL; list = list->next) {
1409                 folderview = (FolderView *)list->data;
1410                 ctree = GTK_CTREE(folderview->ctree);
1411
1412                 node = gtk_ctree_find_by_row_data(ctree, NULL, item);
1413                 if (node) {
1414                         item->search_match = matches;
1415                         folderview_update_node(folderview, node);
1416                 }
1417         }
1418 }
1419
1420 gboolean folderview_update_item_claws(gpointer source, gpointer data)
1421 {
1422         FolderItemUpdateData *update_info = (FolderItemUpdateData *)source;
1423         FolderView *folderview = (FolderView *)data;
1424         GtkCTree *ctree;
1425         GtkCTreeNode *node;
1426         g_return_val_if_fail(update_info != NULL, TRUE);
1427         g_return_val_if_fail(update_info->item != NULL, TRUE);
1428         g_return_val_if_fail(folderview != NULL, FALSE);
1429
1430         ctree = GTK_CTREE(folderview->ctree);
1431
1432         node = gtk_ctree_find_by_row_data(ctree, NULL, update_info->item);
1433         if (node) {
1434                 if (update_info->update_flags & (F_ITEM_UPDATE_MSGCNT | F_ITEM_UPDATE_NAME))
1435                         folderview_update_node(folderview, node);
1436                 if ((update_info->update_flags & F_ITEM_UPDATE_CONTENT) && (folderview->opened == node))
1437                         summary_show(folderview->summaryview, update_info->item);
1438         }
1439
1440         return FALSE;
1441 }
1442
1443 static void folderview_update_item_foreach_func(gpointer key, gpointer val,
1444                                                 gpointer data)
1445 {
1446         /* CLAWS: share this joy with other hook functions ... */
1447         folder_item_update((FolderItem *)key,
1448                            (FolderItemUpdateFlags)GPOINTER_TO_INT(data));
1449 }
1450
1451 void folderview_update_item_foreach(GHashTable *table, gboolean update_summary)
1452 {
1453         GList *list;
1454         FolderItemUpdateFlags flags;
1455
1456         flags = update_summary ?  F_ITEM_UPDATE_CONTENT | F_ITEM_UPDATE_MSGCNT
1457                 : 0;
1458         for (list = folderview_list; list != NULL; list = list->next)
1459                 g_hash_table_foreach(table, folderview_update_item_foreach_func,
1460                                      GINT_TO_POINTER(flags));
1461 }
1462
1463 static gboolean folderview_gnode_func(GtkCTree *ctree, guint depth,
1464                                       GNode *gnode, GtkCTreeNode *cnode,
1465                                       gpointer data)
1466 {
1467         FolderView *folderview = (FolderView *)data;
1468         FolderItem *item = FOLDER_ITEM(gnode->data);
1469
1470         g_return_val_if_fail(item != NULL, FALSE);
1471
1472         gtk_ctree_node_set_row_data(ctree, cnode, item);
1473         folderview_update_node(folderview, cnode);
1474
1475         return TRUE;
1476 }
1477
1478 static void folderview_expand_func(GtkCTree *ctree, GtkCTreeNode *node,
1479                                    gpointer data)
1480 {
1481         FolderView *folderview = (FolderView *)data;
1482         FolderItem *item;
1483
1484         if (GTK_CTREE_ROW(node)->children) {
1485                 item = gtk_ctree_node_get_row_data(ctree, node);
1486                 g_return_if_fail(item != NULL);
1487
1488                 if (!item->collapsed)
1489                         gtk_ctree_expand(ctree, node);
1490                 else
1491                         folderview_update_node(folderview, node);
1492         }
1493 }
1494
1495 static void set_special_folder(GtkCTree *ctree, FolderItem *item,
1496                                GtkCTreeNode *root, GtkCTreeNode **prev)
1497 {
1498         if (item) {
1499                 GtkCTreeNode *node, *parent, *sibling;
1500
1501                 node = gtk_ctree_find_by_row_data(ctree, root, item);
1502                 if (!node)
1503                         g_warning("%s not found.\n", item->path);
1504                 else {
1505                         parent = GTK_CTREE_ROW(node)->parent;
1506                         if (*prev && parent == GTK_CTREE_ROW(*prev)->parent)
1507                                 sibling = GTK_CTREE_ROW(*prev)->sibling;
1508                         else
1509                                 sibling = GTK_CTREE_ROW(parent)->children;
1510                         while (sibling) {
1511                                 FolderItem *tmp;
1512
1513                                 tmp = gtk_ctree_node_get_row_data
1514                                         (ctree, sibling);
1515                                 if (tmp->stype != F_NORMAL)
1516                                         sibling = GTK_CTREE_ROW(sibling)->sibling;
1517                                 else
1518                                         break;
1519                         }
1520                         if (node != sibling)
1521                                 gtk_ctree_move(ctree, node, parent, sibling);
1522                 }
1523
1524                 *prev = node;
1525         }
1526 }
1527
1528 static void folderview_sort_folders(FolderView *folderview, GtkCTreeNode *root,
1529                                     Folder *folder)
1530 {
1531         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1532         GtkCTreeNode *prev = NULL;
1533
1534         gtk_sctree_sort_recursive(ctree, root);
1535
1536         if (root && GTK_CTREE_ROW(root)->parent) return;
1537
1538         set_special_folder(ctree, folder->inbox, root, &prev);
1539         set_special_folder(ctree, folder->outbox, root, &prev);
1540         set_special_folder(ctree, folder->draft, root, &prev);
1541         set_special_folder(ctree, folder->queue, root, &prev);
1542         set_special_folder(ctree, folder->trash, root, &prev);
1543 }
1544
1545 static void folderview_append_folder(FolderView *folderview, Folder *folder)
1546 {
1547         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1548         GtkCTreeNode *root;
1549
1550         g_return_if_fail(folder != NULL);
1551
1552         root = gtk_ctree_insert_gnode(ctree, NULL, NULL, folder->node,
1553                                       folderview_gnode_func, folderview);
1554         gtk_ctree_pre_recursive(ctree, root, folderview_expand_func,
1555                                 folderview);
1556         folderview_sort_folders(folderview, root, folder);
1557 }
1558
1559 /* callback functions */
1560
1561 static gboolean folderview_button_pressed(GtkWidget *ctree, GdkEventButton *event,
1562                                           FolderView *folderview)
1563 {
1564         GtkCList *clist = GTK_CLIST(ctree);
1565         gint prev_row = -1, row = -1, column = -1;
1566         FolderItem *item;
1567         Folder *folder;
1568         FolderViewPopup *fpopup;
1569         GtkItemFactory *fpopup_factory;
1570         GtkWidget *popup;
1571
1572         if (!event) return FALSE;
1573
1574         if (event->button == 1) {
1575                 folderview->open_folder = TRUE;
1576
1577                 if (event->type == GDK_2BUTTON_PRESS) {
1578                         if (clist->selection) {
1579                                 GtkCTreeNode *node;
1580
1581                                 node = GTK_CTREE_NODE(clist->selection->data);
1582                                 if (node)
1583                                         gtk_ctree_toggle_expansion(
1584                                                 GTK_CTREE(ctree),
1585                                                 node);
1586                         }
1587                 }
1588                 return FALSE;
1589         }
1590
1591         if (event->button == 2 || event->button == 3) {
1592                 /* right clicked */
1593                 if (clist->selection) {
1594                         GtkCTreeNode *node;
1595
1596                         node = GTK_CTREE_NODE(clist->selection->data);
1597                         if (node)
1598                                 prev_row = gtkut_ctree_get_nth_from_node
1599                                         (GTK_CTREE(ctree), node);
1600                 }
1601
1602                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1603                                                   &row, &column))
1604                         return FALSE;
1605                 if (prev_row != row) {
1606                         gtk_clist_unselect_all(clist);
1607                         if (event->button == 2)
1608                                 folderview_select_node
1609                                         (folderview,
1610                                          gtk_ctree_node_nth(GTK_CTREE(ctree),
1611                                                             row));
1612                         else
1613                                 gtk_clist_select_row(clist, row, column);
1614                 }
1615         }
1616
1617         if (event->button != 3) return FALSE;
1618
1619         item = gtk_clist_get_row_data(clist, row);
1620         g_return_val_if_fail(item != NULL, FALSE);
1621         g_return_val_if_fail(item->folder != NULL, FALSE);
1622         folder = item->folder;
1623
1624         fpopup = g_hash_table_lookup(folderview_popups, folder->klass->idstr);
1625         if (fpopup != NULL)
1626                 fpopup_factory = g_hash_table_lookup(folderview->popups, folder->klass->idstr);
1627         else {
1628                 fpopup = g_hash_table_lookup(folderview_popups, "common");
1629                 fpopup_factory = g_hash_table_lookup(folderview->popups, "common");
1630         }
1631
1632         if (fpopup->set_sensitivity != NULL)
1633                 fpopup->set_sensitivity(fpopup_factory, item);
1634
1635         if (item == folder->trash &&
1636             gtk_item_factory_get_item(fpopup_factory, "/Empty trash...") == NULL) {
1637                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[0], folderview, 1);
1638                 gtk_item_factory_create_item(fpopup_factory, &folder_view_trash_popup_entries[1], folderview, 1);
1639         } else if (item != folder->trash) {
1640                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[0]);
1641                 gtk_item_factory_delete_entry(fpopup_factory, &folder_view_trash_popup_entries[1]);
1642         }
1643
1644 #define SET_SENS(name, sens) \
1645         menu_set_sensitive(fpopup_factory, name, sens)
1646
1647         SET_SENS("/Mark all read", item->unread_msgs >= 1);
1648         SET_SENS("/Search folder...", item->total_msgs >= 1 &&
1649                  folderview->selected == folderview->opened);
1650         SET_SENS("/Properties...", item->node->parent != NULL);
1651         SET_SENS("/Processing...", item->node->parent != NULL);
1652         if (item == folder->trash) {
1653                 GSList *msglist = folder_item_get_msg_list(item);
1654                 SET_SENS("/Empty trash...", msglist != NULL);
1655                 procmsg_msg_list_free(msglist);
1656         }
1657 #undef SET_SENS
1658
1659         popup = gtk_item_factory_get_widget(fpopup_factory, fpopup->path);
1660         gtk_menu_popup(GTK_MENU(popup), NULL, NULL, NULL, NULL,
1661                        event->button, event->time);
1662
1663         return FALSE;
1664 }
1665
1666 static gboolean folderview_button_released(GtkWidget *ctree, GdkEventButton *event,
1667                                            FolderView *folderview)
1668 {
1669         if (!event) return FALSE;
1670
1671         if (event->button == 1 && folderview->open_folder == FALSE &&
1672             folderview->opened != NULL) {
1673                 gtkut_ctree_set_focus_row(GTK_CTREE(ctree),
1674                                           folderview->opened);
1675                 gtk_ctree_select(GTK_CTREE(ctree), folderview->opened);
1676         }
1677
1678         return FALSE;
1679 }
1680
1681 static gboolean folderview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1682                                        FolderView *folderview)
1683 {
1684         if (!event) return FALSE;
1685
1686         if (quicksearch_has_focus(folderview->summaryview->quicksearch))
1687                 return FALSE;
1688
1689         switch (event->keyval) {
1690         case GDK_Return:
1691                 if (folderview->selected) {
1692                         folderview_select_node(folderview,
1693                                                folderview->selected);
1694                 }
1695                 break;
1696         case GDK_space:
1697                 if (folderview->selected) {
1698                         if (folderview->opened == folderview->selected &&
1699                             (!folderview->summaryview->folder_item ||
1700                              folderview->summaryview->folder_item->total_msgs == 0))
1701                                 folderview_select_next_unread(folderview);
1702                         else
1703                                 folderview_select_node(folderview,
1704                                                        folderview->selected);
1705                 }
1706                 break;
1707         default:
1708                 break;
1709         }
1710
1711         return FALSE;
1712 }
1713
1714 static void folderview_selected(GtkCTree *ctree, GtkCTreeNode *row,
1715                                 gint column, FolderView *folderview)
1716 {
1717         static gboolean can_select = TRUE;      /* exclusive lock */
1718         gboolean opened;
1719         FolderItem *item;
1720         gchar *buf;
1721
1722         folderview->selected = row;
1723
1724         if (folderview->opened == row) {
1725                 folderview->open_folder = FALSE;
1726                 return;
1727         }
1728
1729         if (!can_select || summary_is_locked(folderview->summaryview)) {
1730                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1731                 gtk_ctree_select(ctree, folderview->opened);
1732                 return;
1733         }
1734
1735         if (!folderview->open_folder) return;
1736
1737         item = gtk_ctree_node_get_row_data(ctree, row);
1738         if (!item || item->no_select) return;
1739
1740         can_select = FALSE;
1741
1742         /* Save cache for old folder */
1743         /* We don't want to lose all caches if sylpheed crashed */
1744         if (folderview->opened) {
1745                 FolderItem *olditem;
1746
1747                 olditem = gtk_ctree_node_get_row_data(ctree, folderview->opened);
1748                 if (olditem) {
1749                         /* will be null if we just moved the previously opened folder */
1750                         summary_save_prefs_to_folderitem(folderview->summaryview, olditem);
1751                         folder_item_close(olditem);
1752                 }
1753         }
1754
1755         /* CLAWS: set compose button type: news folder items
1756          * always have a news folder as parent */
1757         if (item->folder)
1758                 toolbar_set_compose_button
1759                         (folderview->mainwin->toolbar,
1760                          FOLDER_TYPE(item->folder) == F_NEWS ?
1761                          COMPOSEBUTTON_NEWS : COMPOSEBUTTON_MAIL);
1762
1763         if (item->path)
1764                 debug_print("Folder %s is selected\n", item->path);
1765
1766         if (!GTK_CTREE_ROW(row)->children)
1767                 gtk_ctree_expand(ctree, row);
1768         if (folderview->opened &&
1769             !GTK_CTREE_ROW(folderview->opened)->children)
1770                 gtk_ctree_collapse(ctree, folderview->opened);
1771
1772         /* ungrab the mouse event */
1773         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1774                 gtk_grab_remove(GTK_WIDGET(ctree));
1775                 if (gdk_pointer_is_grabbed())
1776                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1777         }
1778
1779         /* Open Folder */
1780         buf = g_strdup_printf(_("Opening Folder %s..."), item->path ?
1781                                         item->path : "(null)");
1782         debug_print("%s\n", buf);
1783         STATUSBAR_PUSH(folderview->mainwin, buf);
1784         g_free(buf);
1785
1786         main_window_cursor_wait(folderview->mainwin);
1787
1788         if (folder_item_open(item) != 0) {
1789                 main_window_cursor_normal(folderview->mainwin);
1790                 STATUSBAR_POP(folderview->mainwin);
1791
1792                 alertpanel_error(_("Folder could not be opened."));
1793
1794                 folderview->open_folder = FALSE;
1795                 can_select = TRUE;
1796
1797                 return;
1798         }
1799
1800         main_window_cursor_normal(folderview->mainwin);
1801
1802         /* Show messages */
1803         summary_set_prefs_from_folderitem(folderview->summaryview, item);
1804         opened = summary_show(folderview->summaryview, item);
1805
1806         folder_clean_cache_memory();
1807
1808         if (!opened) {
1809                 gtkut_ctree_set_focus_row(ctree, folderview->opened);
1810                 gtk_ctree_select(ctree, folderview->opened);
1811         } else {
1812                 folderview->opened = row;
1813                 if (gtk_ctree_node_is_visible(ctree, row)
1814                     != GTK_VISIBILITY_FULL)
1815                         gtk_ctree_node_moveto(ctree, row, -1, 0.5, 0);
1816         }
1817
1818         STATUSBAR_POP(folderview->mainwin);
1819
1820         folderview->open_folder = FALSE;
1821         can_select = TRUE;
1822 }
1823
1824 static void folderview_tree_expanded(GtkCTree *ctree, GtkCTreeNode *node,
1825                                      FolderView *folderview)
1826 {
1827         FolderItem *item;
1828
1829         item = gtk_ctree_node_get_row_data(ctree, node);
1830         g_return_if_fail(item != NULL);
1831         item->collapsed = FALSE;
1832         folderview_update_node(folderview, node);
1833 }
1834
1835 static void folderview_tree_collapsed(GtkCTree *ctree, GtkCTreeNode *node,
1836                                       FolderView *folderview)
1837 {
1838         FolderItem *item;
1839
1840         item = gtk_ctree_node_get_row_data(ctree, node);
1841         g_return_if_fail(item != NULL);
1842         item->collapsed = TRUE;
1843         folderview_update_node(folderview, node);
1844 }
1845
1846 static void folderview_popup_close(GtkMenuShell *menu_shell,
1847                                    FolderView *folderview)
1848 {
1849         if (!folderview->opened) return;
1850
1851         gtkut_ctree_set_focus_row(GTK_CTREE(folderview->ctree),
1852                                   folderview->opened);
1853         gtk_ctree_select(GTK_CTREE(folderview->ctree), folderview->opened);
1854 }
1855
1856 static void folderview_col_resized(GtkCList *clist, gint column, gint width,
1857                                    FolderView *folderview)
1858 {
1859         FolderColumnType type = folderview->col_state[column].type;
1860
1861         prefs_common.folder_col_size[type] = width;
1862 }
1863
1864 void folderview_create_folder_node_recursive(FolderView *folderview, FolderItem *item)
1865 {
1866         GNode *srcnode;
1867
1868         folderview_create_folder_node(folderview, item);
1869
1870         if (!item || !item->folder || !item->folder->node)
1871                 return;
1872
1873         srcnode = item->folder->node;
1874         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, item);
1875         srcnode = srcnode->children;
1876         while (srcnode != NULL) {
1877                 if (srcnode && srcnode->data) {
1878                         FolderItem *next_item = (FolderItem*) srcnode->data;
1879                         folderview_create_folder_node_recursive(folderview, next_item);
1880                 }
1881                 srcnode = srcnode->next;
1882         }
1883 }
1884
1885 void folderview_create_folder_node(FolderView *folderview, FolderItem *item)
1886 {
1887         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1888         gchar *text[N_FOLDER_COLS] = {NULL, "0", "0", "0"};
1889         GtkCTreeNode *node, *parent_node;
1890         gint *col_pos = folderview->col_pos;
1891
1892         parent_node = gtk_ctree_find_by_row_data(ctree, NULL, folder_item_parent(item));
1893         if (parent_node == NULL)
1894                 return;
1895
1896         gtk_clist_freeze(GTK_CLIST(ctree));
1897
1898         text[col_pos[F_COL_FOLDER]] = item->name;
1899         node = gtk_ctree_insert_node(ctree, parent_node, NULL, text,
1900                                      FOLDER_SPACING,
1901                                      folderxpm, folderxpmmask,
1902                                      folderopenxpm, folderopenxpmmask,
1903                                      FALSE, FALSE);
1904         gtk_ctree_expand(ctree, parent_node);
1905         gtk_ctree_node_set_row_data(ctree, node, item);
1906         if (normal_style)
1907                 gtk_ctree_node_set_row_style(ctree, node, normal_style);
1908         folderview_sort_folders(folderview, folderview->selected, item->folder);
1909
1910         gtk_clist_thaw(GTK_CLIST(ctree));
1911 }
1912
1913 static void folderview_empty_trash_cb(FolderView *folderview, guint action,
1914                                       GtkWidget *widget)
1915 {
1916         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1917         FolderItem *item;
1918         GSList *mlist = NULL;
1919         GSList *cur = NULL;
1920         if (!folderview->selected) return;
1921
1922         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1923         g_return_if_fail(item != NULL);
1924         g_return_if_fail(item->folder != NULL);
1925         if (item != item->folder->trash) return;
1926
1927         if (prefs_common.ask_on_clean) {
1928                 if (alertpanel(_("Empty trash"),
1929                                _("Empty all messages in trash?"),
1930                                GTK_STOCK_YES, GTK_STOCK_NO, NULL) != G_ALERTDEFAULT)
1931                         return;
1932         }
1933
1934         mlist = folder_item_get_msg_list(item);
1935
1936         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1937                 MsgInfo * msginfo = (MsgInfo *) cur->data;
1938                 if (MSG_IS_LOCKED(msginfo->flags))
1939                         continue;
1940                 /* is it partially received? (partial_recv isn't cached) */
1941                 if (msginfo->total_size != 0 &&
1942                     msginfo->size != (off_t)msginfo->total_size)
1943                         partial_mark_for_delete(msginfo);
1944         }
1945         procmsg_msg_list_free(mlist);
1946
1947         folder_item_remove_all_msg(item);
1948 }
1949
1950 static void folderview_search_cb(FolderView *folderview, guint action,
1951                                  GtkWidget *widget)
1952 {
1953         summary_search(folderview->summaryview);
1954 }
1955
1956 static void folderview_property_cb(FolderView *folderview, guint action,
1957                                    GtkWidget *widget)
1958 {
1959         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1960         FolderItem *item;
1961
1962         if (!folderview->selected) return;
1963
1964         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
1965         g_return_if_fail(item != NULL);
1966         g_return_if_fail(item->folder != NULL);
1967
1968         if (folder_item_parent(item) == NULL)
1969                 return;
1970
1971         prefs_folder_item_open(item);
1972 }
1973
1974 static void folderview_recollapse_nodes(FolderView *folderview, GtkCTreeNode *node)
1975 {
1976         GSList *list = NULL;
1977         GSList *done = NULL;
1978         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
1979
1980         for (list = folderview->nodes_to_recollapse; list != NULL; list = g_slist_next(list)) {
1981                 if (!gtkut_ctree_node_is_parent(GTK_CTREE_NODE(list->data), node)
1982                 &&  list->data != node) {
1983                         gtk_ctree_collapse(ctree, GTK_CTREE_NODE(list->data));
1984                         done = g_slist_append(done, GTK_CTREE_NODE(list->data));
1985                 }
1986         }
1987         for (list = done; list != NULL; list = g_slist_next(list)) {
1988                 folderview->nodes_to_recollapse = g_slist_remove(folderview->nodes_to_recollapse,
1989                                                                  list->data);
1990         }
1991         g_slist_free(done);
1992 }
1993
1994 void folderview_move_folder(FolderView *folderview, FolderItem *from_folder,
1995                             FolderItem *to_folder)
1996 {
1997         FolderItem *from_parent = NULL;
1998         FolderItem *new_folder = NULL;
1999         GtkCTreeNode *src_node = NULL;
2000         gchar *buf;
2001         gint status;
2002
2003         g_return_if_fail(folderview != NULL);
2004         g_return_if_fail(from_folder != NULL);
2005         g_return_if_fail(to_folder != NULL);
2006
2007         src_node = gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree), NULL, from_folder);
2008         from_parent = folder_item_parent(from_folder);
2009
2010         if (prefs_common.warn_dnd) {
2011                 buf = g_strdup_printf(_("Do you really want to make folder '%s' a "
2012                                         "sub-folder of '%s' ?"), from_folder->name,
2013                                         to_folder->name);
2014                 status = alertpanel_full(_("Move folder"), buf,
2015                                          GTK_STOCK_YES, GTK_STOCK_NO, NULL, TRUE,
2016                                          NULL, ALERT_QUESTION, G_ALERTALTERNATE);
2017                 g_free(buf);
2018
2019                 if (status != G_ALERTDEFAULT
2020                  && status != (G_ALERTDEFAULT | G_ALERTDISABLE))
2021                         return;
2022                 if (status & G_ALERTDISABLE)
2023                         prefs_common.warn_dnd = FALSE;
2024         }
2025
2026         buf = g_strdup_printf(_("Moving %s to %s..."), from_folder->name, to_folder->name);
2027         STATUSBAR_PUSH(folderview->mainwin, buf);
2028         g_free(buf);
2029         summary_clear_all(folderview->summaryview);
2030         folderview->opened = NULL;
2031         folderview->selected = NULL;
2032         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), FALSE);
2033         inc_lock();
2034         main_window_cursor_wait(folderview->mainwin);
2035         statusbar_verbosity_set(TRUE);
2036         folder_item_update_freeze();
2037         if ((status = folder_item_move_to(from_folder, to_folder, &new_folder)) == F_MOVE_OK) {
2038                 statusbar_verbosity_set(FALSE);
2039                 main_window_cursor_normal(folderview->mainwin);
2040                 STATUSBAR_POP(folderview->mainwin);
2041                 folder_item_update_thaw();
2042                 folder_item_update_recursive(new_folder, F_ITEM_UPDATE_MSGCNT);
2043
2044                 folderview_sort_folders(folderview,
2045                         gtk_ctree_find_by_row_data(GTK_CTREE(folderview->ctree),
2046                                 NULL, folder_item_parent(new_folder)), new_folder->folder);
2047                 folderview_select(folderview, new_folder);
2048         } else {
2049                 statusbar_verbosity_set(FALSE);
2050                 main_window_cursor_normal(folderview->mainwin);
2051                 STATUSBAR_POP(folderview->mainwin);
2052                 folder_item_update_thaw();
2053                 switch (status) {
2054                 case F_MOVE_FAILED_DEST_IS_PARENT:
2055                         alertpanel_error(_("Source and destination are the same."));
2056                         break;
2057                 case F_MOVE_FAILED_DEST_IS_CHILD:
2058                         alertpanel_error(_("Can't move a folder to one of its children."));
2059                         break;
2060                 case F_MOVE_FAILED_DEST_OUTSIDE_MAILBOX:
2061                         alertpanel_error(_("Folder moving cannot be done between different mailboxes."));
2062                         break;
2063                 default:
2064                         alertpanel_error(_("Move failed!"));
2065                         break;
2066                 }
2067         }
2068         inc_unlock();
2069         gtk_widget_set_sensitive(GTK_WIDGET(folderview->ctree), TRUE);
2070 }
2071
2072 static gint folderview_clist_compare(GtkCList *clist,
2073                                      gconstpointer ptr1, gconstpointer ptr2)
2074 {
2075         FolderItem *item1 = ((GtkCListRow *)ptr1)->data;
2076         FolderItem *item2 = ((GtkCListRow *)ptr2)->data;
2077
2078         if (!item1->name)
2079                 return (item2->name != NULL);
2080         if (!item2->name)
2081                 return -1;
2082
2083         return g_utf8_collate(item1->name, item2->name);
2084 }
2085
2086 static void folderview_processing_cb(FolderView *folderview, guint action,
2087                                      GtkWidget *widget)
2088 {
2089         GtkCTree *ctree = GTK_CTREE(folderview->ctree);
2090         FolderItem *item;
2091
2092         if (!folderview->selected) return;
2093
2094         item = gtk_ctree_node_get_row_data(ctree, folderview->selected);
2095         g_return_if_fail(item != NULL);
2096         g_return_if_fail(item->folder != NULL);
2097
2098         prefs_filtering_open(&item->prefs->processing,
2099                              _("Processing configuration"), NULL, NULL);
2100 }
2101
2102 void folderview_set_target_folder_color(gint color_op)
2103 {
2104         gint firstone = 1;
2105         GList *list;
2106         FolderView *folderview;
2107
2108         for (list = folderview_list; list != NULL; list = list->next) {
2109                 folderview = (FolderView *)list->data;
2110                 gtkut_convert_int_to_gdk_color(color_op, &folderview->color_op);
2111                 if (firstone) {
2112                         bold_tgtfold_style->fg[GTK_STATE_NORMAL] =
2113                                 folderview->color_op;
2114                         firstone = 0;
2115                 }
2116         }
2117 }
2118
2119 void folderview_reflect_prefs_pixmap_theme(FolderView *folderview)
2120 {
2121 }
2122
2123 void folderview_reflect_prefs(void)
2124 {
2125         FolderView *folderview = mainwindow_get_mainwindow()->folderview;
2126         normal_style = normal_color_style = bold_style =
2127                 bold_color_style = bold_tgtfold_style = NULL;
2128         FolderItem *item = folderview_get_selected_item(folderview);
2129         folderview_init(folderview);
2130         folderview_column_set_titles(folderview);
2131         folderview_set_all();
2132         if (item)
2133                 folderview_select(folderview, item);
2134 }
2135
2136 static void drag_state_stop(FolderView *folderview)
2137 {
2138         if (folderview->drag_timer)
2139                 gtk_timeout_remove(folderview->drag_timer);
2140         folderview->drag_timer = 0;
2141         folderview->drag_node = NULL;
2142 }
2143
2144 static gint folderview_defer_expand(FolderView *folderview)
2145 {
2146         if (folderview->drag_node) {
2147                 folderview_recollapse_nodes(folderview, folderview->drag_node);
2148                 if (folderview->drag_item->collapsed) {
2149                         gtk_ctree_expand(GTK_CTREE(folderview->ctree), folderview->drag_node);
2150                         folderview->nodes_to_recollapse = g_slist_append
2151                                 (folderview->nodes_to_recollapse, folderview->drag_node);
2152                 }
2153         }
2154         folderview->drag_item  = NULL;
2155         folderview->drag_timer = 0;
2156         return FALSE;
2157 }
2158
2159 static void drag_state_start(FolderView *folderview, GtkCTreeNode *node, FolderItem *item)
2160 {
2161         /* the idea is that we call drag_state_start() whenever we want expansion to
2162          * start after 'prefs_common.hover_time' msecs. if we want to cancel expansion,
2163          * we need to call drag_state_stop() */
2164         drag_state_stop(folderview);
2165         /* request expansion */
2166         if (0 != (folderview->drag_timer = gtk_timeout_add
2167                         (prefs_common.hover_timeout,
2168                          (GtkFunction)folderview_defer_expand,
2169                          folderview))) {
2170                 folderview->drag_node = node;
2171                 folderview->drag_item = item;
2172         }
2173 }
2174
2175 static void folderview_start_drag(GtkWidget *widget, gint button, GdkEvent *event,
2176                                   FolderView       *folderview)
2177 {
2178         GdkDragContext *context;
2179
2180         g_return_if_fail(folderview != NULL);
2181         if (folderview->selected == NULL) return;
2182         if (folderview->nodes_to_recollapse)
2183                 g_slist_free(folderview->nodes_to_recollapse);
2184         folderview->nodes_to_recollapse = NULL;
2185         context = gtk_drag_begin(widget, folderview->target_list,
2186                                  GDK_ACTION_MOVE|GDK_ACTION_COPY|GDK_ACTION_DEFAULT, button, event);
2187         gtk_drag_set_icon_default(context);
2188 }
2189
2190 static void folderview_drag_data_get(GtkWidget        *widget,
2191                                      GdkDragContext   *drag_context,
2192                                      GtkSelectionData *selection_data,
2193                                      guint             info,
2194                                      guint             time,
2195                                      FolderView       *folderview)
2196 {
2197         FolderItem *item;
2198         GList *cur;
2199         gchar *source = NULL;
2200
2201         for (cur = GTK_CLIST(folderview->ctree)->selection;
2202              cur != NULL; cur = cur->next) {
2203                 item = gtk_ctree_node_get_row_data
2204                         (GTK_CTREE(folderview->ctree),
2205                          GTK_CTREE_NODE(cur->data));
2206                 if (item) {
2207                         source = g_strdup_printf ("FROM_OTHER_FOLDER%s", folder_item_get_identifier(item));
2208                         gtk_selection_data_set(selection_data,
2209                                                selection_data->target, 8,
2210                                                source, strlen(source));
2211                         break;
2212                 } else
2213                         return;
2214         }
2215 }
2216
2217 gboolean folderview_update_folder(gpointer source, gpointer userdata)
2218 {
2219         FolderUpdateData *hookdata;
2220         FolderView *folderview;
2221         GtkWidget *ctree;
2222
2223         hookdata = source;
2224         folderview = (FolderView *) userdata;
2225         g_return_val_if_fail(hookdata != NULL, FALSE);
2226         g_return_val_if_fail(folderview != NULL, FALSE);
2227
2228         ctree = folderview->ctree;
2229         g_return_val_if_fail(ctree != NULL, FALSE);
2230
2231         if (hookdata->update_flags & FOLDER_ADD_FOLDERITEM)
2232                 folderview_create_folder_node(folderview, hookdata->item);
2233         else if (hookdata->update_flags & FOLDER_REMOVE_FOLDERITEM) {
2234                 GtkCTreeNode *node;
2235
2236                 node = gtk_ctree_find_by_row_data(GTK_CTREE(ctree), NULL, hookdata->item);
2237                 if (node != NULL)
2238                         gtk_ctree_remove_node(GTK_CTREE(ctree), node);
2239         } else if (hookdata->update_flags & (FOLDER_TREE_CHANGED | FOLDER_ADD_FOLDER | FOLDER_REMOVE_FOLDER))
2240                 folderview_set(folderview);
2241
2242         return FALSE;
2243 }
2244
2245 static gboolean folderview_drag_motion_cb(GtkWidget      *widget,
2246                                           GdkDragContext *context,
2247                                           gint            x,
2248                                           gint            y,
2249                                           guint           time,
2250                                           FolderView     *folderview)
2251 {
2252         gint row, column;
2253         FolderItem *item = NULL, *src_item = NULL;
2254         GtkCTreeNode *node = NULL;
2255         gboolean acceptable = FALSE;
2256         GtkAdjustment *pos = gtk_scrolled_window_get_vadjustment(
2257                                 GTK_SCROLLED_WINDOW(folderview->scrolledwin));
2258         int height = (int)pos->page_size;
2259         int total_height = (int)pos->upper;
2260         int vpos = (int) pos->value;
2261
2262         if (gtk_clist_get_selection_info
2263                 (GTK_CLIST(widget), x - 24, y - 24, &row, &column)) {
2264                 GtkWidget *srcwidget;
2265
2266                 if (y > height - 24 && height + vpos < total_height)
2267                         gtk_adjustment_set_value(pos, (vpos+5 > height ? height : vpos+5));
2268
2269                 if (y < 48 && y > 0)
2270                         gtk_adjustment_set_value(pos, (vpos-5 < 0 ? 0 : vpos-5));
2271
2272                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2273                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2274                 src_item = folderview->summaryview->folder_item;
2275
2276                 srcwidget = gtk_drag_get_source_widget(context);
2277                 if (srcwidget == folderview->summaryview->ctree) {
2278                         /* comes from summaryview */
2279                         /* we are copying messages, so only accept folder items that are not
2280                            the source item, are no root items and can copy messages */
2281                         if (item && item->folder && folder_item_parent(item) != NULL && src_item &&
2282                             src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)
2283                                 acceptable = TRUE;
2284                 } else if (srcwidget == folderview->ctree) {
2285                         /* comes from folderview */
2286                         /* we are moving folder items, only accept folders that are not
2287                            the source items and can copy messages and create folder items */
2288                         if (item && item->folder && src_item && src_item != item &&
2289                             FOLDER_CLASS(item->folder)->copy_msg != NULL &&
2290                             FOLDER_CLASS(item->folder)->create_folder != NULL)
2291                                 acceptable = TRUE;
2292                 }
2293         }
2294
2295         if (acceptable || (src_item && src_item == item))
2296                 drag_state_start(folderview, node, item);
2297
2298         if (acceptable) {
2299                 g_signal_handlers_block_by_func
2300                         (G_OBJECT(widget),
2301                          G_CALLBACK(folderview_selected), folderview);
2302                 gtk_ctree_select(GTK_CTREE(widget), node);
2303                 g_signal_handlers_unblock_by_func
2304                         (G_OBJECT(widget),
2305                          G_CALLBACK(folderview_selected), folderview);
2306                 gdk_drag_status(context,
2307                                         (context->actions == GDK_ACTION_COPY ?
2308                                         GDK_ACTION_COPY : GDK_ACTION_MOVE) , time);
2309         } else {
2310                 gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2311                 gdk_drag_status(context, 0, time);
2312         }
2313
2314         return acceptable;
2315 }
2316
2317 static void folderview_drag_leave_cb(GtkWidget      *widget,
2318                                      GdkDragContext *context,
2319                                      guint           time,
2320                                      FolderView     *folderview)
2321 {
2322         drag_state_stop(folderview);
2323         gtk_ctree_select(GTK_CTREE(widget), folderview->opened);
2324 }
2325
2326 static void folderview_drag_received_cb(GtkWidget        *widget,
2327                                         GdkDragContext   *drag_context,
2328                                         gint              x,
2329                                         gint              y,
2330                                         GtkSelectionData *data,
2331                                         guint             info,
2332                                         guint             time,
2333                                         FolderView       *folderview)
2334 {
2335         gint row, column;
2336         FolderItem *item, *src_item;
2337         GtkCTreeNode *node;
2338
2339         drag_state_stop(folderview);
2340         if ((void *)strstr(data->data, "FROM_OTHER_FOLDER") != (void *)data->data) {
2341                 /* comes from summaryview */
2342                 if (gtk_clist_get_selection_info
2343                         (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0)
2344                         return;
2345
2346                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2347                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2348                 src_item = folderview->summaryview->folder_item;
2349
2350                 /* re-check (due to acceptable possibly set for folder moves */
2351                 if (!(item && item->folder && item->path && !item->no_select &&
2352                       src_item && src_item != item && FOLDER_CLASS(item->folder)->copy_msg != NULL)) {
2353                         return;
2354                 }
2355                 if (item && src_item) {
2356                         switch (drag_context->action) {
2357                         case GDK_ACTION_COPY:
2358                                 summary_copy_selected_to(folderview->summaryview, item);
2359                                 gtk_drag_finish(drag_context, TRUE, FALSE, time);
2360                                 break;
2361                         case GDK_ACTION_MOVE:
2362                         case GDK_ACTION_DEFAULT:
2363                         default:
2364                                 if (FOLDER_CLASS(src_item->folder)->remove_msg == NULL)
2365                                         summary_copy_selected_to(folderview->summaryview, item);
2366                                 else
2367                                         summary_move_selected_to(folderview->summaryview, item);
2368                                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2369                         }
2370                 } else
2371                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2372         } else {
2373                 /* comes from folderview */
2374                 char *source;
2375
2376                 source = data->data + 17;
2377                 if (gtk_clist_get_selection_info
2378                     (GTK_CLIST(widget), x - 24, y - 24, &row, &column) == 0
2379                     || *source == 0) {
2380                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2381                         return;
2382                 }
2383                 node = gtk_ctree_node_nth(GTK_CTREE(widget), row);
2384                 item = gtk_ctree_node_get_row_data(GTK_CTREE(widget), node);
2385                 src_item = folder_find_item_from_identifier(source);
2386
2387                 if (!item || item->no_select || !src_item || src_item->stype != F_NORMAL) {
2388                         gtk_drag_finish(drag_context, FALSE, FALSE, time);
2389                         return;
2390                 }
2391
2392                 folderview_move_folder(folderview, src_item, item);
2393                 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2394         }
2395         folderview->nodes_to_recollapse = NULL;
2396 }
2397
2398 static void folderview_drag_end_cb(GtkWidget        *widget,
2399                                    GdkDragContext   *drag_context,
2400                                    FolderView       *folderview)
2401 {
2402         drag_state_stop(folderview);
2403         g_slist_free(folderview->nodes_to_recollapse);
2404         folderview->nodes_to_recollapse = NULL;
2405 }
2406
2407 void folderview_register_popup(FolderViewPopup *fpopup)
2408 {
2409         GList *folderviews;
2410
2411         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2412                 FolderView *folderview = folderviews->data;
2413                 GtkItemFactory *factory;
2414
2415                 factory = create_ifactory(folderview, fpopup);
2416                 g_hash_table_insert(folderview->popups, fpopup->klass, factory);
2417         }
2418         g_hash_table_insert(folderview_popups, fpopup->klass, fpopup);
2419 }
2420
2421 void folderview_unregister_popup(FolderViewPopup *fpopup)
2422 {
2423         GList *folderviews;
2424
2425         for (folderviews = folderview_list; folderviews != NULL; folderviews = g_list_next(folderviews)) {
2426                 FolderView *folderview = folderviews->data;
2427
2428                 g_hash_table_remove(folderview->popups, fpopup->klass);
2429         }
2430         g_hash_table_remove(folderview_popups, fpopup->klass);
2431 }