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         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 183         manage_window_set_transient(GTK_WINDOW(window));
 184
 185         cancelled = finished = FALSE;
 186
 187         while (finished == FALSE)
 188                 gtk_main_iteration();
 189
 190         gtk_widget_hide(window);
 191         gtk_window_set_modal(GTK_WINDOW(window), FALSE);
 192         gtk_entry_set_text(GTK_ENTRY(entry), "");
 193         gtk_tree_store_clear(tree_store);
 194
 195         if (!cancelled &&
 196             selected_item && (selected_item->path || root_selectable)) {
 197                 folder_item = selected_item;
 198                 return folder_item;
 199         } else
 200                 return NULL;
 201 }
 202
 203 static void foldersel_size_allocate_cb(GtkWidget *widget,
 204                                          GtkAllocation *allocation)
 205 {
 206         cm_return_if_fail(allocation != NULL);
 207
 208         prefs_common.folderselwin_width = allocation->width;
 209         prefs_common.folderselwin_height = allocation->height;
 210 }
 211
 212 static void foldersel_create(void)
 213 {
 214         GtkWidget *vbox;
 215         GtkWidget *scrolledwin;
 216         GtkWidget *confirm_area;
 217         GtkTreeViewColumn *column;
 218         GtkCellRenderer *renderer;
 219         GtkTreeSelection *selection;
 220         static GdkGeometry geometry;
 221
 222         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "foldersel");
 223         gtk_window_set_title(GTK_WINDOW(window), _("Select folder"));
 224         gtk_container_set_border_width(GTK_CONTAINER(window), 4);
 225         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 226         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 227
 228         gtk_widget_realize(window);
 229         g_signal_connect(G_OBJECT(window), "delete_event",
 230                          G_CALLBACK(delete_event), NULL);
 231         g_signal_connect(G_OBJECT(window), "key_press_event",
 232                          G_CALLBACK(key_pressed), NULL);
 233         g_signal_connect(G_OBJECT(window), "size_allocate",
 234                          G_CALLBACK(foldersel_size_allocate_cb), NULL);
 235         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 236
 237         vbox = gtk_vbox_new(FALSE, 4);
 238         gtk_container_add(GTK_CONTAINER(window), vbox);
 239
 240         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 241         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 242                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 243         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 244                                             GTK_SHADOW_IN);
 245         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 246
 247         tree_store = gtk_tree_store_new(N_FOLDERSEL_COLUMNS,
 248                                         G_TYPE_STRING,
 249                                         G_TYPE_POINTER,
 250                                         GDK_TYPE_PIXBUF,
 251                                         GDK_TYPE_PIXBUF,
 252                                         GDK_TYPE_COLOR,
 253                                         G_TYPE_INT);
 254         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(tree_store),
 255                                         FOLDERSEL_FOLDERNAME,
 256                                         foldersel_folder_name_compare,
 257                                         NULL, NULL);
 258
 259         treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
 260         g_object_unref(G_OBJECT(tree_store));
 261         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
 262         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(treeview),
 263                                      prefs_common.use_stripes_everywhere);
 264         gtk_tree_view_set_enable_tree_lines(GTK_TREE_VIEW(treeview),
 265                                                         prefs_common.enable_dotted_lines);
 266         gtk_tree_view_set_search_column(GTK_TREE_VIEW(treeview),
 267                                         FOLDERSEL_FOLDERNAME);
 268
 269         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 270         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 271         gtk_tree_selection_set_select_function(selection, foldersel_selected,
 272                                                NULL, NULL);
 273
 274         g_signal_connect(G_OBJECT(treeview), "row-activated",
 275                          G_CALLBACK(foldersel_tree_activated), NULL);
 276         gtk_container_add(GTK_CONTAINER(scrolledwin), treeview);
 277
 278         column = gtk_tree_view_column_new();
 279         gtk_tree_view_column_set_spacing(column, 2);
 280         renderer = gtk_cell_renderer_pixbuf_new();
 281         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 282         gtk_tree_view_column_set_attributes
 283                 (column, renderer,
 284                  "pixbuf", FOLDERSEL_PIXBUF,
 285                  "pixbuf-expander-open", FOLDERSEL_PIXBUF_OPEN,
 286                  "pixbuf-expander-closed", FOLDERSEL_PIXBUF,
 287                  NULL);
 288
 289         /* create text renderer */
 290         renderer = gtk_cell_renderer_text_new();
 291         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 292         gtk_tree_view_column_set_attributes
 293                 (column, renderer,
 294                  "text", FOLDERSEL_FOLDERNAME,
 295                  "foreground-gdk", FOLDERSEL_FOREGROUND,
 296                  "weight", FOLDERSEL_BOLD,
 297                  NULL);
 298         g_object_set(G_OBJECT(renderer), "weight", PANGO_WEIGHT_BOLD, NULL);
 299         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 300
 301         gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
 302
 303         entry = gtk_entry_new();
 304         gtk_editable_set_editable(GTK_EDITABLE(entry), FALSE);
 305         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 306         g_signal_connect(G_OBJECT(entry), "activate",
 307                          G_CALLBACK(foldersel_entry_activated), NULL);
 308
 309         gtkut_stock_button_set_create(&confirm_area,
 310                                       &new_button,    GTK_STOCK_NEW,
 311                                       &cancel_button, GTK_STOCK_CANCEL,
 312                                       &ok_button,     GTK_STOCK_OK);
 313
 314         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 315         gtk_widget_grab_default(ok_button);
 316
 317         g_signal_connect(G_OBJECT(ok_button), "clicked",
 318                          G_CALLBACK(foldersel_ok), NULL);
 319         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 320                          G_CALLBACK(foldersel_cancel), NULL);
 321         g_signal_connect(G_OBJECT(new_button), "clicked",
 322                          G_CALLBACK(foldersel_new_folder), NULL);
 323
 324         if (!geometry.min_height) {
 325                 geometry.min_width = 300;
 326                 geometry.min_height = 360;
 327         }
 328
 329         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 330                                       GDK_HINT_MIN_SIZE);
 331         gtk_widget_set_size_request(window, prefs_common.folderselwin_width,
 332                                     prefs_common.folderselwin_height);
 333
 334         gtk_widget_show_all(vbox);
 335 }
 336
 337 static void foldersel_init(void)
 338 {
 339         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_CLOSE,
 340                          &folder_pixbuf);
 341         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_OPEN,
 342                          &folderopen_pixbuf);
 343         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_NOSELECT,
 344                          &foldernoselect_pixbuf);
 345 }
 346
 347 void foldersel_reflect_prefs_pixmap_theme(void)
 348 {
 349         if (folder_pixbuf)
 350                 g_object_unref(folder_pixbuf);
 351         if (folderopen_pixbuf)
 352                 g_object_unref(folderopen_pixbuf);
 353         if (foldernoselect_pixbuf)
 354                 g_object_unref(foldernoselect_pixbuf);
 355         foldersel_init();
 356 }
 357
 358 static void foldersel_append_item(GtkTreeStore *store, FolderItem *item,
 359                                   GtkTreeIter *iter, GtkTreeIter *parent)
 360 {
 361         gchar *name, *tmpname;
 362         GdkPixbuf *pixbuf, *pixbuf_open;
 363         gboolean use_color;
 364         PangoWeight weight = PANGO_WEIGHT_NORMAL;
 365         GdkColor *foreground = NULL;
 366         static GdkColor color_noselect = {0, COLOR_DIM, COLOR_DIM, COLOR_DIM};
 367         static GdkColor color_new;
 368
 369         gtkut_convert_int_to_gdk_color(prefs_common.color_new, &color_new);
 370
 371         name = tmpname = folder_item_get_name(item);
 372
 373         if (item->stype != F_NORMAL && FOLDER_IS_LOCAL(item->folder)) {
 374                 switch (item->stype) {
 375                 case F_INBOX:
 376                         if (!strcmp2(item->name, INBOX_DIR))
 377                                 name = _("Inbox");
 378                         break;
 379                 case F_OUTBOX:
 380                         if (!strcmp2(item->name, OUTBOX_DIR))
 381                                 name = _("Sent");
 382                         break;
 383                 case F_QUEUE:
 384                         if (!strcmp2(item->name, QUEUE_DIR))
 385                                 name = _("Queue");
 386                         break;
 387                 case F_TRASH:
 388                         if (!strcmp2(item->name, TRASH_DIR))
 389                                 name = _("Trash");
 390                         break;
 391                 case F_DRAFT:
 392                         if (!strcmp2(item->name, DRAFT_DIR))
 393                                 name = _("Drafts");
 394                         break;
 395                 default:
 396                         break;
 397                 }
 398         }
 399
 400         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0) {
 401                 name = g_strdup_printf("%s (%d)", name, item->total_msgs);
 402         } else if (item->unread_msgs > 0) {
 403                 name = g_strdup_printf("%s (%d)", name, item->unread_msgs);
 404         } else
 405                 name = g_strdup(name);
 406
 407         pixbuf = item->no_select ? foldernoselect_pixbuf : folder_pixbuf;
 408         pixbuf_open =
 409                 item->no_select ? foldernoselect_pixbuf : folderopen_pixbuf;
 410
 411         if (folder_has_parent_of_type(item, F_DRAFT) ||
 412             folder_has_parent_of_type(item, F_OUTBOX) ||
 413             folder_has_parent_of_type(item, F_TRASH)) {
 414                 use_color = FALSE;
 415         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
 416                 use_color = (item->total_msgs > 0);
 417                 if (item->total_msgs > 0)
 418                         weight = PANGO_WEIGHT_BOLD;
 419         } else {
 420                 if (item->unread_msgs > 0)
 421                         weight = PANGO_WEIGHT_BOLD;
 422                 use_color = (item->new_msgs > 0);
 423         }
 424
 425         if (item->no_select)
 426                 foreground = &color_noselect;
 427         else if (use_color)
 428                 foreground = &color_new;
 429
 430         /* insert this node */
 431         gtk_tree_store_append(store, iter, parent);
 432         gtk_tree_store_set(store, iter,
 433                            FOLDERSEL_FOLDERNAME, name,
 434                            FOLDERSEL_FOLDERITEM, item,
 435                            FOLDERSEL_PIXBUF, pixbuf,
 436                            FOLDERSEL_PIXBUF_OPEN, pixbuf_open,
 437                            FOLDERSEL_FOREGROUND, foreground,
 438                            FOLDERSEL_BOLD, weight,
 439                            -1);
 440
 441         g_free(tmpname);
 442 }
 443
 444 static void foldersel_insert_gnode_in_store(GtkTreeStore *store, GNode *node,
 445                                             GtkTreeIter *parent)
 446 {
 447         FolderItem *item;
 448         GtkTreeIter child;
 449         GNode *iter;
 450
 451         cm_return_if_fail(node != NULL);
 452         cm_return_if_fail(node->data != NULL);
 453         cm_return_if_fail(store != NULL);
 454
 455         item = FOLDER_ITEM(node->data);
 456         foldersel_append_item(store, item, &child, parent);
 457
 458         /* insert its children (this node as parent) */
 459         for (iter = node->children; iter != NULL; iter = iter->next)
 460                 foldersel_insert_gnode_in_store(store, iter, &child);
 461 }
 462
 463 static void foldersel_set_tree(Folder *cur_folder, FolderSelectionType type)
 464 {
 465         Folder *folder;
 466         GList *list;
 467
 468         for (list = folder_get_list(); list != NULL; list = list->next) {
 469                 folder = FOLDER(list->data);
 470                 cm_return_if_fail(folder != NULL);
 471
 472                 if (type != FOLDER_SEL_ALL) {
 473                         if (FOLDER_TYPE(folder) == F_NEWS)
 474                                 continue;
 475                 }
 476
 477                 foldersel_insert_gnode_in_store(tree_store, folder->node, NULL);
 478         }
 479
 480         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(tree_store),
 481                                              FOLDERSEL_FOLDERNAME,
 482                                              GTK_SORT_ASCENDING);
 483
 484         gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
 485 }
 486
 487 #include "localfolder.h"
 488 static gboolean foldersel_selected(GtkTreeSelection *selection,
 489                                    GtkTreeModel *model, GtkTreePath *path,
 490                                    gboolean currently_selected, gpointer data)
 491 {
 492         GtkTreeIter iter;
 493         FolderItem *item = NULL;
 494
 495         if (currently_selected)
 496                 return TRUE;
 497
 498         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 499                 return TRUE;
 500
 501         gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter,
 502                            FOLDERSEL_FOLDERITEM, &item, -1);
 503
 504         selected_item = item;
 505         if (selected_item && selected_item->path) {
 506                 gchar *id;
 507                 id = folder_item_get_identifier(selected_item);
 508                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 509                 g_free(id);
 510         } else
 511         if (root_selectable && selected_item && selected_item->folder &&
 512                         (FOLDER_TYPE(selected_item->folder) == F_MH ||
 513                          FOLDER_TYPE(selected_item->folder) == F_MBOX ||
 514                          FOLDER_TYPE(selected_item->folder) == F_IMAP)) {
 515                 gchar *id = folder_get_identifier(selected_item->folder);
 516                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 517                 g_free(id);
 518         } else
 519                 gtk_entry_set_text(GTK_ENTRY(entry), "");
 520
 521         return TRUE;
 522 }
 523
 524 static void foldersel_ok(GtkButton *button, gpointer data)
 525 {
 526         finished = TRUE;
 527 }
 528
 529 static void foldersel_cancel(GtkButton *button, gpointer data)
 530 {
 531         cancelled = TRUE;
 532         finished = TRUE;
 533 }
 534
 535 static void foldersel_new_folder(GtkButton *button, gpointer data)
 536 {
 537         FolderItem *new_item;
 538         gchar *new_folder;
 539         gchar *disp_name;
 540         gchar *p;
 541         GtkTreeIter selected, new_child;
 542         GtkTreePath *selected_p, *new_child_p;
 543         GtkTreeStore *store;
 544         GtkTreeModel *model;
 545         GtkTreeSelection *selection;
 546
 547         if (!selected_item || FOLDER_TYPE(selected_item->folder) == F_NEWS)
 548                 return;
 549
 550         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 551         if (!gtk_tree_selection_get_selected(selection, &model, &selected))
 552                 return;
 553         store = GTK_TREE_STORE(model);
 554
 555         new_folder = input_dialog(_("New folder"),
 556                                   _("Input the name of new folder:"),
 557                                   _("NewFolder"));
 558         if (!new_folder) return;
 559         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
 560
 561         p = strchr(new_folder, G_DIR_SEPARATOR);
 562         if ((p && FOLDER_TYPE(selected_item->folder) != F_IMAP) ||
 563             (p && FOLDER_TYPE(selected_item->folder) == F_IMAP &&
 564              *(p + 1) != '\0')) {
 565                 alertpanel_error(_("'%c' can't be included in folder name."),
 566                                 G_DIR_SEPARATOR);
 567                 return;
 568         }
 569
 570         disp_name = trim_string(new_folder, 32);
 571         AUTORELEASE_STR(disp_name, {g_free(disp_name); return;});
 572
 573         /* find whether the directory already exists */
 574         if (folder_find_child_item_by_name(selected_item, new_folder)) {
 575                 alertpanel_error(_("The folder '%s' already exists."),
 576                                  disp_name);
 577                 return;
 578         }
 579
 580         new_item = folder_create_folder(selected_item, new_folder);
 581         if (!new_item) {
 582                 alertpanel_error(_("Can't create the folder '%s'."), disp_name);
 583                 return;
 584         }
 585
 586         /* add new child */
 587         foldersel_append_item(store, new_item, &new_child, &selected);
 588
 589         selected_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &selected);
 590         new_child_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store),
 591                                               &new_child);
 592
 593         gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), selected_p, FALSE);
 594         gtk_tree_selection_select_iter(selection, &new_child);
 595         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), new_child_p,
 596                                      NULL, TRUE, 0.5, 0.0);
 597         gtk_tree_path_free(new_child_p);
 598         gtk_tree_path_free(selected_p);
 599
 600         folder_write_list();
 601 }
 602
 603 static void foldersel_entry_activated(GtkEntry *entry, gpointer data)
 604 {
 605         gtk_button_clicked(GTK_BUTTON(ok_button));
 606 }
 607
 608 static void foldersel_tree_activated(GtkTreeView *treeview, GtkTreePath *path,
 609                                      GtkTreeViewColumn *column, gpointer data)
 610 {
 611         gtk_button_clicked(GTK_BUTTON(ok_button));
 612 }
 613
 614 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 615 {
 616         foldersel_cancel(NULL, NULL);
 617         return TRUE;
 618 }
 619
 620 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 621 {
 622         if (event && event->keyval == GDK_Escape)
 623                 foldersel_cancel(NULL, NULL);
 624         return FALSE;
 625 }
 626
 627 static gint foldersel_folder_name_compare(GtkTreeModel *model, GtkTreeIter *a,
 628                                           GtkTreeIter *b, gpointer context)
 629 {
 630         gchar *str_a = NULL, *str_b = NULL;
 631         gint val = 0;
 632         FolderItem *item_a = NULL, *item_b = NULL;
 633         GtkTreeIter parent;
 634
 635         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERITEM, &item_a, -1);
 636         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERITEM, &item_b, -1);
 637
 638         /* no sort for root folder */
 639         if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(model), &parent, a))
 640                 return 0;
 641
 642         /* if both a and b are special folders, sort them according to
 643          * their types (which is in-order). Note that this assumes that
 644          * there are no multiple folders of a special type. */
 645         if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
 646                 return item_a->stype - item_b->stype;
 647
 648         /* if b is normal folder, and a is not, b is smaller (ends up
 649          * lower in the list) */
 650         if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
 651                 return item_b->stype - item_a->stype;
 652
 653         /* if b is special folder, and a is not, b is larger (ends up
 654          * higher in the list) */
 655         if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
 656                 return item_b->stype - item_a->stype;
 657
 658         /* XXX g_utf8_collate_key() comparisons may speed things
 659          * up when having large lists of folders */
 660         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERNAME, &str_a, -1);
 661         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERNAME, &str_b, -1);
 662
 663         /* otherwise just compare the folder names */
 664         val = g_utf8_collate(str_a, str_b);
 665
 666         g_free(str_a);
 667         g_free(str_b);
 668
 669         return val;
 670 }
 671
 672 static gboolean tree_view_folder_item_func(GtkTreeModel *model,
 673                                            GtkTreePath *path,
 674                                            GtkTreeIter *iter,
 675                                            FolderItemSearch *data)
 676 {
 677         FolderItem *item = NULL;
 678
 679         gtk_tree_model_get(model, iter, FOLDERSEL_FOLDERITEM, &item, -1);
 680
 681         if (data->item == item) {
 682                 data->path = gtk_tree_path_copy(path);
 683                 data->iter = *iter;
 684                 return TRUE;
 685         }
 686
 687         return FALSE;
 688 }