src/foldersel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 Hiroyuki Yamamoto and the Claws Mail team
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtk.h>
  26 #include <stdio.h>
  27 #include <unistd.h>
  28 #include <string.h>
  29 #include <sys/stat.h>
  30 #include <sys/types.h>
  31 #include <fcntl.h>
  32 #include <errno.h>
  33
  34 #include "main.h"
  35 #include "utils.h"
  36 #include "gtkutils.h"
  37 #include "stock_pixmap.h"
  38 #include "foldersel.h"
  39 #include "alertpanel.h"
  40 #include "manage_window.h"
  41 #include "folderview.h"
  42 #include "inputdialog.h"
  43 #include "folder.h"
  44 #include "prefs_common.h"
  45
  46 enum {
  47         FOLDERSEL_FOLDERNAME,
  48         FOLDERSEL_FOLDERITEM,
  49         FOLDERSEL_PIXBUF,
  50         FOLDERSEL_PIXBUF_OPEN,
  51         FOLDERSEL_FOREGROUND,
  52         FOLDERSEL_BOLD,
  53         N_FOLDERSEL_COLUMNS
  54 };
  55
  56 typedef struct _FolderItemSearch        FolderItemSearch;
  57
  58 struct _FolderItemSearch
  59 {
  60         FolderItem *item;
  61         GtkTreePath *path;
  62         GtkTreeIter iter;
  63 };
  64
  65 static GdkPixbuf *folder_pixbuf = NULL;
  66 static GdkPixbuf *folderopen_pixbuf = NULL;
  67 static GdkPixbuf *foldernoselect_pixbuf = NULL;
  68
  69 static GtkWidget *window;
  70 static GtkWidget *treeview;
  71 static GtkWidget *entry;
  72 static GtkWidget *ok_button;
  73 static GtkWidget *cancel_button;
  74 static GtkWidget *new_button;
  75 static gboolean   root_selectable;
  76
  77 static FolderItem *folder_item;
  78 static FolderItem *selected_item;
  79
  80 static GtkTreeStore *tree_store;
  81
  82 static gboolean cancelled;
  83 static gboolean finished;
  84
  85 static void foldersel_create            (void);
  86 static void foldersel_init              (void);
  87
  88 static void foldersel_append_item       (GtkTreeStore   *store,
  89                                          FolderItem     *item,
  90                                          GtkTreeIter    *iter,
  91                                          GtkTreeIter    *parent);
  92
  93 static void foldersel_set_tree          (Folder                 *cur_folder,
  94                                          FolderSelectionType     type);
  95
  96 static gboolean foldersel_selected      (GtkTreeSelection *selection,
  97                                          GtkTreeModel     *model,
  98                                          GtkTreePath      *path,
  99                                          gboolean          currently_selected,
 100                                          gpointer          data);
 101
 102 static void foldersel_ok                (GtkButton      *button,
 103                                          gpointer        data);
 104 static void foldersel_cancel            (GtkButton      *button,
 105                                          gpointer        data);
 106 static void foldersel_new_folder        (GtkButton      *button,
 107                                          gpointer        data);
 108
 109 static void foldersel_entry_activated   (GtkEntry       *entry,
 110                                          gpointer        data);
 111
 112 static void foldersel_tree_activated    (GtkTreeView            *treeview,
 113                                          GtkTreePath            *path,
 114                                          GtkTreeViewColumn      *column,
 115                                          gpointer                data);
 116
 117 static gint delete_event                (GtkWidget      *widget,
 118                                          GdkEventAny    *event,
 119                                          gpointer        data);
 120 static gboolean key_pressed             (GtkWidget      *widget,
 121                                          GdkEventKey    *event,
 122                                          gpointer        data);
 123
 124 static gint foldersel_folder_name_compare       (GtkTreeModel   *model,
 125                                                  GtkTreeIter    *a,
 126                                                  GtkTreeIter    *b,
 127                                                  gpointer        context);
 128
 129 static gboolean tree_view_folder_item_func      (GtkTreeModel     *model,
 130                                                  GtkTreePath      *path,
 131                                                  GtkTreeIter      *iter,
 132                                                  FolderItemSearch *data);
 133
 134 FolderItem *foldersel_folder_sel(Folder *cur_folder, FolderSelectionType type,
 135                                  const gchar *default_folder, gboolean can_sel_mailbox)
 136 {
 137         selected_item = NULL;
 138         root_selectable = can_sel_mailbox;
 139
 140         if (!window) {
 141                 foldersel_create();
 142                 foldersel_init();
 143         }
 144
 145         foldersel_set_tree(cur_folder, type);
 146
 147         /* select current */
 148         if (folder_item) {
 149                 FolderItemSearch fis;
 150
 151                 fis.item = folder_item;
 152                 fis.path = NULL;
 153
 154                 /* find matching model entry */
 155                 gtk_tree_model_foreach
 156                         (GTK_TREE_MODEL(tree_store),
 157                          (GtkTreeModelForeachFunc)tree_view_folder_item_func,
 158                          &fis);
 159
 160                 if (fis.path) {
 161                         GtkTreeSelection *selection;
 162
 163                         selection = gtk_tree_view_get_selection
 164                                 (GTK_TREE_VIEW(treeview));
 165                         gtk_tree_selection_select_iter(selection, &fis.iter);
 166                         gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview),
 167                                                  fis.path, NULL, FALSE);
 168                         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview),
 169                                                      fis.path,
 170                                                      NULL, TRUE, 0.5, 0.0);
 171                         gtk_tree_path_free(fis.path);
 172                 } else
 173                         gtk_tree_view_scroll_to_point
 174                                 (GTK_TREE_VIEW(treeview), 0, 0);
 175         } else
 176                 gtk_tree_view_scroll_to_point(GTK_TREE_VIEW(treeview), 0, 0);
 177
 178         gtk_widget_grab_focus(ok_button);
 179         gtk_widget_grab_focus(treeview);
 180
 181         gtk_widget_show(window);
 182         manage_window_set_transient(GTK_WINDOW(window));
 183
 184         cancelled = finished = FALSE;
 185
 186         while (finished == FALSE)
 187                 gtk_main_iteration();
 188
 189         gtk_widget_hide(window);
 190         gtk_entry_set_text(GTK_ENTRY(entry), "");
 191         gtk_tree_store_clear(tree_store);
 192
 193         if (!cancelled &&
 194             selected_item && (selected_item->path || root_selectable)) {
 195                 folder_item = selected_item;
 196                 return folder_item;
 197         } else
 198                 return NULL;
 199 }
 200
 201 static void foldersel_size_allocate_cb(GtkWidget *widget,
 202                                          GtkAllocation *allocation)
 203 {
 204         cm_return_if_fail(allocation != NULL);
 205
 206         prefs_common.folderselwin_width = allocation->width;
 207         prefs_common.folderselwin_height = allocation->height;
 208 }
 209
 210 static void foldersel_create(void)
 211 {
 212         GtkWidget *vbox;
 213         GtkWidget *scrolledwin;
 214         GtkWidget *confirm_area;
 215         GtkTreeViewColumn *column;
 216         GtkCellRenderer *renderer;
 217         GtkTreeSelection *selection;
 218         static GdkGeometry geometry;
 219
 220         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "foldersel");
 221         gtk_window_set_title(GTK_WINDOW(window), _("Select folder"));
 222         gtk_container_set_border_width(GTK_CONTAINER(window), 4);
 223         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 224         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 225         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 226
 227         gtk_widget_realize(window);
 228         g_signal_connect(G_OBJECT(window), "delete_event",
 229                          G_CALLBACK(delete_event), NULL);
 230         g_signal_connect(G_OBJECT(window), "key_press_event",
 231                          G_CALLBACK(key_pressed), NULL);
 232         g_signal_connect(G_OBJECT(window), "size_allocate",
 233                          G_CALLBACK(foldersel_size_allocate_cb), NULL);
 234         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 235
 236         vbox = gtk_vbox_new(FALSE, 4);
 237         gtk_container_add(GTK_CONTAINER(window), vbox);
 238
 239         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 240         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 241                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 242         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 243                                             GTK_SHADOW_IN);
 244         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 245
 246         tree_store = gtk_tree_store_new(N_FOLDERSEL_COLUMNS,
 247                                         G_TYPE_STRING,
 248                                         G_TYPE_POINTER,
 249                                         GDK_TYPE_PIXBUF,
 250                                         GDK_TYPE_PIXBUF,
 251                                         GDK_TYPE_COLOR,
 252                                         G_TYPE_INT);
 253         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(tree_store),
 254                                         FOLDERSEL_FOLDERNAME,
 255                                         foldersel_folder_name_compare,
 256                                         NULL, NULL);
 257
 258         treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
 259         g_object_unref(G_OBJECT(tree_store));
 260         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
 261         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(treeview),
 262                                      prefs_common.use_stripes_everywhere);
 263 #if GTK_CHECK_VERSION(2,10,0)
 264         gtk_tree_view_set_enable_tree_lines(GTK_TREE_VIEW(treeview),
 265                                                         prefs_common.enable_dotted_lines);
 266 #endif
 267         gtk_tree_view_set_search_column(GTK_TREE_VIEW(treeview),
 268                                         FOLDERSEL_FOLDERNAME);
 269
 270         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 271         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 272         gtk_tree_selection_set_select_function(selection, foldersel_selected,
 273                                                NULL, NULL);
 274
 275         g_signal_connect(G_OBJECT(treeview), "row-activated",
 276                          G_CALLBACK(foldersel_tree_activated), NULL);
 277         gtk_container_add(GTK_CONTAINER(scrolledwin), treeview);
 278
 279         column = gtk_tree_view_column_new();
 280         gtk_tree_view_column_set_spacing(column, 2);
 281         renderer = gtk_cell_renderer_pixbuf_new();
 282         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 283         gtk_tree_view_column_set_attributes
 284                 (column, renderer,
 285                  "pixbuf", FOLDERSEL_PIXBUF,
 286                  "pixbuf-expander-open", FOLDERSEL_PIXBUF_OPEN,
 287                  "pixbuf-expander-closed", FOLDERSEL_PIXBUF,
 288                  NULL);
 289
 290         /* create text renderer */
 291         renderer = gtk_cell_renderer_text_new();
 292         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 293         gtk_tree_view_column_set_attributes
 294                 (column, renderer,
 295                  "text", FOLDERSEL_FOLDERNAME,
 296                  "foreground-gdk", FOLDERSEL_FOREGROUND,
 297                  "weight", FOLDERSEL_BOLD,
 298                  NULL);
 299         g_object_set(G_OBJECT(renderer), "weight", PANGO_WEIGHT_BOLD, NULL);
 300         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 301
 302         gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
 303
 304         entry = gtk_entry_new();
 305         gtk_editable_set_editable(GTK_EDITABLE(entry), FALSE);
 306         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 307         g_signal_connect(G_OBJECT(entry), "activate",
 308                          G_CALLBACK(foldersel_entry_activated), NULL);
 309
 310         gtkut_stock_button_set_create(&confirm_area,
 311                                       &new_button,    GTK_STOCK_NEW,
 312                                       &cancel_button, GTK_STOCK_CANCEL,
 313                                       &ok_button,     GTK_STOCK_OK);
 314
 315         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 316         gtk_widget_grab_default(ok_button);
 317
 318         g_signal_connect(G_OBJECT(ok_button), "clicked",
 319                          G_CALLBACK(foldersel_ok), NULL);
 320         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 321                          G_CALLBACK(foldersel_cancel), NULL);
 322         g_signal_connect(G_OBJECT(new_button), "clicked",
 323                          G_CALLBACK(foldersel_new_folder), NULL);
 324
 325         if (!geometry.min_height) {
 326                 geometry.min_width = 300;
 327                 geometry.min_height = 360;
 328         }
 329
 330         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 331                                       GDK_HINT_MIN_SIZE);
 332         gtk_widget_set_size_request(window, prefs_common.folderselwin_width,
 333                                     prefs_common.folderselwin_height);
 334
 335         gtk_widget_show_all(vbox);
 336 }
 337
 338 static void foldersel_init(void)
 339 {
 340         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_CLOSE,
 341                          &folder_pixbuf);
 342         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_OPEN,
 343                          &folderopen_pixbuf);
 344         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_NOSELECT,
 345                          &foldernoselect_pixbuf);
 346 }
 347
 348 void foldersel_reflect_prefs_pixmap_theme(void)
 349 {
 350         if (folder_pixbuf)
 351                 g_object_unref(folder_pixbuf);
 352         if (folderopen_pixbuf)
 353                 g_object_unref(folderopen_pixbuf);
 354         if (foldernoselect_pixbuf)
 355                 g_object_unref(foldernoselect_pixbuf);
 356         foldersel_init();
 357 }
 358
 359 static void foldersel_append_item(GtkTreeStore *store, FolderItem *item,
 360                                   GtkTreeIter *iter, GtkTreeIter *parent)
 361 {
 362         gchar *name, *tmpname;
 363         GdkPixbuf *pixbuf, *pixbuf_open;
 364         gboolean use_color;
 365         PangoWeight weight = PANGO_WEIGHT_NORMAL;
 366         GdkColor *foreground = NULL;
 367         static GdkColor color_noselect = {0, COLOR_DIM, COLOR_DIM, COLOR_DIM};
 368         static GdkColor color_new;
 369
 370         gtkut_convert_int_to_gdk_color(prefs_common.color_new, &color_new);
 371
 372         name = tmpname = folder_item_get_name(item);
 373
 374         if (item->stype != F_NORMAL && FOLDER_IS_LOCAL(item->folder)) {
 375                 switch (item->stype) {
 376                 case F_INBOX:
 377                         if (!strcmp2(item->name, INBOX_DIR))
 378                                 name = _("Inbox");
 379                         break;
 380                 case F_OUTBOX:
 381                         if (!strcmp2(item->name, OUTBOX_DIR))
 382                                 name = _("Sent");
 383                         break;
 384                 case F_QUEUE:
 385                         if (!strcmp2(item->name, QUEUE_DIR))
 386                                 name = _("Queue");
 387                         break;
 388                 case F_TRASH:
 389                         if (!strcmp2(item->name, TRASH_DIR))
 390                                 name = _("Trash");
 391                         break;
 392                 case F_DRAFT:
 393                         if (!strcmp2(item->name, DRAFT_DIR))
 394                                 name = _("Drafts");
 395                         break;
 396                 default:
 397                         break;
 398                 }
 399         }
 400
 401         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0) {
 402                 name = g_strdup_printf("%s (%d)", name, item->total_msgs);
 403         } else if (item->unread_msgs > 0) {
 404                 name = g_strdup_printf("%s (%d)", name, item->unread_msgs);
 405         } else
 406                 name = g_strdup(name);
 407
 408         pixbuf = item->no_select ? foldernoselect_pixbuf : folder_pixbuf;
 409         pixbuf_open =
 410                 item->no_select ? foldernoselect_pixbuf : folderopen_pixbuf;
 411
 412         if (folder_has_parent_of_type(item, F_DRAFT) ||
 413             folder_has_parent_of_type(item, F_OUTBOX) ||
 414             folder_has_parent_of_type(item, F_TRASH)) {
 415                 use_color = FALSE;
 416         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
 417                 use_color = (item->total_msgs > 0);
 418                 if (item->total_msgs > 0)
 419                         weight = PANGO_WEIGHT_BOLD;
 420         } else {
 421                 if (item->unread_msgs > 0)
 422                         weight = PANGO_WEIGHT_BOLD;
 423                 use_color = (item->new_msgs > 0);
 424         }
 425
 426         if (item->no_select)
 427                 foreground = &color_noselect;
 428         else if (use_color)
 429                 foreground = &color_new;
 430
 431         /* insert this node */
 432         gtk_tree_store_append(store, iter, parent);
 433         gtk_tree_store_set(store, iter,
 434                            FOLDERSEL_FOLDERNAME, name,
 435                            FOLDERSEL_FOLDERITEM, item,
 436                            FOLDERSEL_PIXBUF, pixbuf,
 437                            FOLDERSEL_PIXBUF_OPEN, pixbuf_open,
 438                            FOLDERSEL_FOREGROUND, foreground,
 439                            FOLDERSEL_BOLD, weight,
 440                            -1);
 441
 442         g_free(tmpname);
 443 }
 444
 445 static void foldersel_insert_gnode_in_store(GtkTreeStore *store, GNode *node,
 446                                             GtkTreeIter *parent)
 447 {
 448         FolderItem *item;
 449         GtkTreeIter child;
 450         GNode *iter;
 451
 452         cm_return_if_fail(node != NULL);
 453         cm_return_if_fail(node->data != NULL);
 454         cm_return_if_fail(store != NULL);
 455
 456         item = FOLDER_ITEM(node->data);
 457         foldersel_append_item(store, item, &child, parent);
 458
 459         /* insert its children (this node as parent) */
 460         for (iter = node->children; iter != NULL; iter = iter->next)
 461                 foldersel_insert_gnode_in_store(store, iter, &child);
 462 }
 463
 464 static void foldersel_set_tree(Folder *cur_folder, FolderSelectionType type)
 465 {
 466         Folder *folder;
 467         GList *list;
 468
 469         for (list = folder_get_list(); list != NULL; list = list->next) {
 470                 folder = FOLDER(list->data);
 471                 cm_return_if_fail(folder != NULL);
 472
 473                 if (type != FOLDER_SEL_ALL) {
 474                         if (FOLDER_TYPE(folder) == F_NEWS)
 475                                 continue;
 476                 }
 477
 478                 foldersel_insert_gnode_in_store(tree_store, folder->node, NULL);
 479         }
 480
 481         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(tree_store),
 482                                              FOLDERSEL_FOLDERNAME,
 483                                              GTK_SORT_ASCENDING);
 484
 485         gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
 486 }
 487
 488 #include "localfolder.h"
 489 static gboolean foldersel_selected(GtkTreeSelection *selection,
 490                                    GtkTreeModel *model, GtkTreePath *path,
 491                                    gboolean currently_selected, gpointer data)
 492 {
 493         GtkTreeIter iter;
 494         FolderItem *item = NULL;
 495
 496         if (currently_selected)
 497                 return TRUE;
 498
 499         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 500                 return TRUE;
 501
 502         gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter,
 503                            FOLDERSEL_FOLDERITEM, &item, -1);
 504
 505         selected_item = item;
 506         if (selected_item && selected_item->path) {
 507                 gchar *id;
 508                 id = folder_item_get_identifier(selected_item);
 509                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 510                 g_free(id);
 511         } else
 512         if (root_selectable && selected_item && selected_item->folder &&
 513                         (FOLDER_TYPE(selected_item->folder) == F_MH ||
 514                          FOLDER_TYPE(selected_item->folder) == F_MBOX ||
 515                          FOLDER_TYPE(selected_item->folder) == F_IMAP)) {
 516                 gchar *id = folder_get_identifier(selected_item->folder);
 517                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 518                 g_free(id);
 519         } else
 520                 gtk_entry_set_text(GTK_ENTRY(entry), "");
 521
 522         return TRUE;
 523 }
 524
 525 static void foldersel_ok(GtkButton *button, gpointer data)
 526 {
 527         finished = TRUE;
 528 }
 529
 530 static void foldersel_cancel(GtkButton *button, gpointer data)
 531 {
 532         cancelled = TRUE;
 533         finished = TRUE;
 534 }
 535
 536 static void foldersel_new_folder(GtkButton *button, gpointer data)
 537 {
 538         FolderItem *new_item;
 539         gchar *new_folder;
 540         gchar *disp_name;
 541         gchar *p;
 542         GtkTreeIter selected, new_child;
 543         GtkTreePath *selected_p, *new_child_p;
 544         GtkTreeStore *store;
 545         GtkTreeModel *model;
 546         GtkTreeSelection *selection;
 547
 548         if (!selected_item || FOLDER_TYPE(selected_item->folder) == F_NEWS)
 549                 return;
 550
 551         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 552         if (!gtk_tree_selection_get_selected(selection, &model, &selected))
 553                 return;
 554         store = GTK_TREE_STORE(model);
 555
 556         new_folder = input_dialog(_("New folder"),
 557                                   _("Input the name of new folder:"),
 558                                   _("NewFolder"));
 559         if (!new_folder) return;
 560         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
 561
 562         p = strchr(new_folder, G_DIR_SEPARATOR);
 563         if ((p && FOLDER_TYPE(selected_item->folder) != F_IMAP) ||
 564             (p && FOLDER_TYPE(selected_item->folder) == F_IMAP &&
 565              *(p + 1) != '\0')) {
 566                 alertpanel_error(_("'%c' can't be included in folder name."),
 567                                 G_DIR_SEPARATOR);
 568                 return;
 569         }
 570
 571         disp_name = trim_string(new_folder, 32);
 572         AUTORELEASE_STR(disp_name, {g_free(disp_name); return;});
 573
 574         /* find whether the directory already exists */
 575         if (folder_find_child_item_by_name(selected_item, new_folder)) {
 576                 alertpanel_error(_("The folder '%s' already exists."),
 577                                  disp_name);
 578                 return;
 579         }
 580
 581         new_item = folder_create_folder(selected_item, new_folder);
 582         if (!new_item) {
 583                 alertpanel_error(_("Can't create the folder '%s'."), disp_name);
 584                 return;
 585         }
 586
 587         /* add new child */
 588         foldersel_append_item(store, new_item, &new_child, &selected);
 589
 590         selected_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &selected);
 591         new_child_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store),
 592                                               &new_child);
 593
 594         gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), selected_p, FALSE);
 595         gtk_tree_selection_select_iter(selection, &new_child);
 596         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), new_child_p,
 597                                      NULL, TRUE, 0.5, 0.0);
 598         gtk_tree_path_free(new_child_p);
 599         gtk_tree_path_free(selected_p);
 600
 601         folder_write_list();
 602 }
 603
 604 static void foldersel_entry_activated(GtkEntry *entry, gpointer data)
 605 {
 606         gtk_button_clicked(GTK_BUTTON(ok_button));
 607 }
 608
 609 static void foldersel_tree_activated(GtkTreeView *treeview, GtkTreePath *path,
 610                                      GtkTreeViewColumn *column, gpointer data)
 611 {
 612         gtk_button_clicked(GTK_BUTTON(ok_button));
 613 }
 614
 615 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 616 {
 617         foldersel_cancel(NULL, NULL);
 618         return TRUE;
 619 }
 620
 621 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 622 {
 623         if (event && event->keyval == GDK_Escape)
 624                 foldersel_cancel(NULL, NULL);
 625         return FALSE;
 626 }
 627
 628 static gint foldersel_folder_name_compare(GtkTreeModel *model, GtkTreeIter *a,
 629                                           GtkTreeIter *b, gpointer context)
 630 {
 631         gchar *str_a = NULL, *str_b = NULL;
 632         gint val = 0;
 633         FolderItem *item_a = NULL, *item_b = NULL;
 634         GtkTreeIter parent;
 635
 636         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERITEM, &item_a, -1);
 637         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERITEM, &item_b, -1);
 638
 639         /* no sort for root folder */
 640         if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(model), &parent, a))
 641                 return 0;
 642
 643         /* if both a and b are special folders, sort them according to
 644          * their types (which is in-order). Note that this assumes that
 645          * there are no multiple folders of a special type. */
 646         if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
 647                 return item_a->stype - item_b->stype;
 648
 649         /* if b is normal folder, and a is not, b is smaller (ends up
 650          * lower in the list) */
 651         if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
 652                 return item_b->stype - item_a->stype;
 653
 654         /* if b is special folder, and a is not, b is larger (ends up
 655          * higher in the list) */
 656         if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
 657                 return item_b->stype - item_a->stype;
 658
 659         /* XXX g_utf8_collate_key() comparisons may speed things
 660          * up when having large lists of folders */
 661         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERNAME, &str_a, -1);
 662         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERNAME, &str_b, -1);
 663
 664         /* otherwise just compare the folder names */
 665         val = g_utf8_collate(str_a, str_b);
 666
 667         g_free(str_a);
 668         g_free(str_b);
 669
 670         return val;
 671 }
 672
 673 static gboolean tree_view_folder_item_func(GtkTreeModel *model,
 674                                            GtkTreePath *path,
 675                                            GtkTreeIter *iter,
 676                                            FolderItemSearch *data)
 677 {
 678         FolderItem *item = NULL;
 679
 680         gtk_tree_model_get(model, iter, FOLDERSEL_FOLDERITEM, &item, -1);
 681
 682         if (data->item == item) {
 683                 data->path = gtk_tree_path_copy(path);
 684                 data->iter = *iter;
 685                 return TRUE;
 686         }
 687
 688         return FALSE;
 689 }