src/foldersel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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/gtkmain.h>
  26 #include <gtk/gtkwidget.h>
  27 #include <gtk/gtktreestore.h>
  28 #include <gtk/gtktreeview.h>
  29 #include <gtk/gtkwindow.h>
  30 #include <gtk/gtkvbox.h>
  31 #include <gtk/gtkscrolledwindow.h>
  32 #include <gtk/gtkentry.h>
  33 #include <gtk/gtkhbbox.h>
  34 #include <gtk/gtksignal.h>
  35 #include <stdio.h>
  36 #include <unistd.h>
  37 #include <string.h>
  38 #include <sys/stat.h>
  39 #include <sys/types.h>
  40 #include <fcntl.h>
  41 #include <errno.h>
  42
  43 #include "main.h"
  44 #include "utils.h"
  45 #include "gtkutils.h"
  46 #include "stock_pixmap.h"
  47 #include "foldersel.h"
  48 #include "alertpanel.h"
  49 #include "manage_window.h"
  50 #include "folderview.h"
  51 #include "inputdialog.h"
  52 #include "folder.h"
  53 #include "prefs_common.h"
  54
  55 enum {
  56         FOLDERSEL_FOLDERNAME,
  57         FOLDERSEL_FOLDERITEM,
  58         FOLDERSEL_PIXBUF,
  59         FOLDERSEL_PIXBUF_OPEN,
  60         FOLDERSEL_FOREGROUND,
  61         FOLDERSEL_BOLD,
  62         N_FOLDERSEL_COLUMNS
  63 };
  64
  65 typedef struct _FolderItemSearch        FolderItemSearch;
  66
  67 struct _FolderItemSearch
  68 {
  69         FolderItem *item;
  70         GtkTreePath *path;
  71         GtkTreeIter iter;
  72 };
  73
  74 static GdkPixbuf *folder_pixbuf;
  75 static GdkPixbuf *folderopen_pixbuf;
  76 static GdkPixbuf *foldernoselect_pixbuf;
  77
  78 static GtkWidget *window;
  79 static GtkWidget *treeview;
  80 static GtkWidget *entry;
  81 static GtkWidget *ok_button;
  82 static GtkWidget *cancel_button;
  83 static GtkWidget *new_button;
  84
  85 static FolderItem *folder_item;
  86 static FolderItem *selected_item;
  87
  88 static GtkTreeStore *tree_store;
  89
  90 static gboolean cancelled;
  91 static gboolean finished;
  92
  93 static void foldersel_create            (void);
  94 static void foldersel_init              (void);
  95
  96 static void foldersel_append_item       (GtkTreeStore   *store,
  97                                          FolderItem     *item,
  98                                          GtkTreeIter    *iter,
  99                                          GtkTreeIter    *parent);
 100
 101 static void foldersel_set_tree          (Folder                 *cur_folder,
 102                                          FolderSelectionType     type);
 103
 104 static gboolean foldersel_selected      (GtkTreeSelection *selection,
 105                                          GtkTreeModel     *model,
 106                                          GtkTreePath      *path,
 107                                          gboolean          currently_selected,
 108                                          gpointer          data);
 109
 110 static void foldersel_ok                (GtkButton      *button,
 111                                          gpointer        data);
 112 static void foldersel_cancel            (GtkButton      *button,
 113                                          gpointer        data);
 114 static void foldersel_new_folder        (GtkButton      *button,
 115                                          gpointer        data);
 116
 117 static void foldersel_entry_activated   (GtkEntry       *entry,
 118                                          gpointer        data);
 119
 120 static void foldersel_tree_activated    (GtkTreeView            *treeview,
 121                                          GtkTreePath            *path,
 122                                          GtkTreeViewColumn      *column,
 123                                          gpointer                data);
 124
 125 static gint delete_event                (GtkWidget      *widget,
 126                                          GdkEventAny    *event,
 127                                          gpointer        data);
 128 static gboolean key_pressed             (GtkWidget      *widget,
 129                                          GdkEventKey    *event,
 130                                          gpointer        data);
 131
 132 static gint foldersel_folder_name_compare       (GtkTreeModel   *model,
 133                                                  GtkTreeIter    *a,
 134                                                  GtkTreeIter    *b,
 135                                                  gpointer        context);
 136
 137 static gboolean tree_view_folder_item_func      (GtkTreeModel     *model,
 138                                                  GtkTreePath      *path,
 139                                                  GtkTreeIter      *iter,
 140                                                  FolderItemSearch *data);
 141
 142 FolderItem *foldersel_folder_sel(Folder *cur_folder, FolderSelectionType type,
 143                                  const gchar *default_folder)
 144 {
 145         selected_item = NULL;
 146
 147         if (!window) {
 148                 foldersel_create();
 149                 foldersel_init();
 150         }
 151
 152         foldersel_set_tree(cur_folder, type);
 153
 154         /* select current */
 155         if (folder_item) {
 156                 FolderItemSearch fis;
 157
 158                 fis.item = folder_item;
 159                 fis.path = NULL;
 160
 161                 /* find matching model entry */
 162                 gtk_tree_model_foreach
 163                         (GTK_TREE_MODEL(tree_store),
 164                          (GtkTreeModelForeachFunc)tree_view_folder_item_func,
 165                          &fis);
 166
 167                 if (fis.path) {
 168                         GtkTreeSelection *selection;
 169
 170                         selection = gtk_tree_view_get_selection
 171                                 (GTK_TREE_VIEW(treeview));
 172                         gtk_tree_selection_select_iter(selection, &fis.iter);
 173                         gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview),
 174                                                  fis.path, NULL, FALSE);
 175                         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview),
 176                                                      fis.path,
 177                                                      NULL, TRUE, 0.5, 0.0);
 178                         gtk_tree_path_free(fis.path);
 179                 } else
 180                         gtk_tree_view_scroll_to_point
 181                                 (GTK_TREE_VIEW(treeview), 0, 0);
 182         } else
 183                 gtk_tree_view_scroll_to_point(GTK_TREE_VIEW(treeview), 0, 0);
 184
 185         gtk_widget_grab_focus(ok_button);
 186         gtk_widget_grab_focus(treeview);
 187
 188         gtk_widget_show(window);
 189         manage_window_set_transient(GTK_WINDOW(window));
 190
 191         cancelled = finished = FALSE;
 192
 193         while (finished == FALSE)
 194                 gtk_main_iteration();
 195
 196         gtk_widget_hide(window);
 197         gtk_entry_set_text(GTK_ENTRY(entry), "");
 198         gtk_tree_store_clear(tree_store);
 199
 200         if (!cancelled &&
 201             selected_item && selected_item->path && !selected_item->no_select) {
 202                 folder_item = selected_item;
 203                 return folder_item;
 204         } else
 205                 return NULL;
 206 }
 207
 208 static void foldersel_size_allocate_cb(GtkWidget *widget,
 209                                          GtkAllocation *allocation)
 210 {
 211         g_return_if_fail(allocation != NULL);
 212
 213         prefs_common.folderselwin_width = allocation->width;
 214         prefs_common.folderselwin_height = allocation->height;
 215 }
 216
 217 static void foldersel_create(void)
 218 {
 219         GtkWidget *vbox;
 220         GtkWidget *scrolledwin;
 221         GtkWidget *confirm_area;
 222         GtkTreeViewColumn *column;
 223         GtkCellRenderer *renderer;
 224         GtkTreeSelection *selection;
 225         static GdkGeometry geometry;
 226
 227         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "foldersel");
 228         gtk_window_set_title(GTK_WINDOW(window), _("Select folder"));
 229         gtk_container_set_border_width(GTK_CONTAINER(window), 4);
 230         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 231         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 232         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 233
 234         gtk_widget_realize(window);
 235         g_signal_connect(G_OBJECT(window), "delete_event",
 236                          G_CALLBACK(delete_event), NULL);
 237         g_signal_connect(G_OBJECT(window), "key_press_event",
 238                          G_CALLBACK(key_pressed), NULL);
 239         g_signal_connect(G_OBJECT(window), "size_allocate",
 240                          G_CALLBACK(foldersel_size_allocate_cb), NULL);
 241         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 242
 243         vbox = gtk_vbox_new(FALSE, 4);
 244         gtk_container_add(GTK_CONTAINER(window), vbox);
 245
 246         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 247         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 248                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 249         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 250                                             GTK_SHADOW_IN);
 251         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 252
 253         tree_store = gtk_tree_store_new(N_FOLDERSEL_COLUMNS,
 254                                         G_TYPE_STRING,
 255                                         G_TYPE_POINTER,
 256                                         GDK_TYPE_PIXBUF,
 257                                         GDK_TYPE_PIXBUF,
 258                                         GDK_TYPE_COLOR,
 259                                         G_TYPE_INT);
 260         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(tree_store),
 261                                         FOLDERSEL_FOLDERNAME,
 262                                         foldersel_folder_name_compare,
 263                                         NULL, NULL);
 264
 265         treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
 266         g_object_unref(G_OBJECT(tree_store));
 267         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
 268         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(treeview),
 269                                      prefs_common.use_stripes_everywhere);
 270         gtk_tree_view_set_search_column(GTK_TREE_VIEW(treeview),
 271                                         FOLDERSEL_FOLDERNAME);
 272
 273         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 274         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 275         gtk_tree_selection_set_select_function(selection, foldersel_selected,
 276                                                NULL, NULL);
 277
 278         g_signal_connect(G_OBJECT(treeview), "row-activated",
 279                          G_CALLBACK(foldersel_tree_activated), NULL);
 280         gtk_container_add(GTK_CONTAINER(scrolledwin), treeview);
 281
 282         column = gtk_tree_view_column_new();
 283         gtk_tree_view_column_set_spacing(column, 2);
 284         renderer = gtk_cell_renderer_pixbuf_new();
 285         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 286         gtk_tree_view_column_set_attributes
 287                 (column, renderer,
 288                  "pixbuf", FOLDERSEL_PIXBUF,
 289                  "pixbuf-expander-open", FOLDERSEL_PIXBUF_OPEN,
 290                  "pixbuf-expander-closed", FOLDERSEL_PIXBUF,
 291                  NULL);
 292
 293         /* create text renderer */
 294         renderer = gtk_cell_renderer_text_new();
 295         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 296         gtk_tree_view_column_set_attributes
 297                 (column, renderer,
 298                  "text", FOLDERSEL_FOLDERNAME,
 299                  "foreground-gdk", FOLDERSEL_FOREGROUND,
 300                  "weight", FOLDERSEL_BOLD,
 301                  NULL);
 302         g_object_set(G_OBJECT(renderer), "weight", PANGO_WEIGHT_BOLD, NULL);
 303         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 304
 305         gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
 306
 307         entry = gtk_entry_new();
 308         gtk_entry_set_editable(GTK_ENTRY(entry), FALSE);
 309         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 310         g_signal_connect(G_OBJECT(entry), "activate",
 311                          G_CALLBACK(foldersel_entry_activated), NULL);
 312
 313         gtkut_stock_button_set_create(&confirm_area,
 314                                       &new_button,    GTK_STOCK_NEW,
 315                                       &cancel_button, GTK_STOCK_CANCEL,
 316                                       &ok_button,     GTK_STOCK_OK);
 317
 318         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 319         gtk_widget_grab_default(ok_button);
 320
 321         g_signal_connect(G_OBJECT(ok_button), "clicked",
 322                          G_CALLBACK(foldersel_ok), NULL);
 323         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 324                          G_CALLBACK(foldersel_cancel), NULL);
 325         g_signal_connect(G_OBJECT(new_button), "clicked",
 326                          G_CALLBACK(foldersel_new_folder), NULL);
 327
 328         if (!geometry.min_height) {
 329                 geometry.min_width = 300;
 330                 geometry.min_height = 360;
 331         }
 332
 333         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 334                                       GDK_HINT_MIN_SIZE);
 335         gtk_widget_set_size_request(window, prefs_common.folderselwin_width,
 336                                     prefs_common.folderselwin_height);
 337
 338         gtk_widget_show_all(vbox);
 339 }
 340
 341 static void foldersel_init(void)
 342 {
 343         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_CLOSE,
 344                          &folder_pixbuf);
 345         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_OPEN,
 346                          &folderopen_pixbuf);
 347         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_NOSELECT,
 348                          &foldernoselect_pixbuf);
 349 }
 350
 351 static void foldersel_append_item(GtkTreeStore *store, FolderItem *item,
 352                                   GtkTreeIter *iter, GtkTreeIter *parent)
 353 {
 354         gchar *name, *tmpname;
 355         GdkPixbuf *pixbuf, *pixbuf_open;
 356         gboolean use_color;
 357         PangoWeight weight = PANGO_WEIGHT_NORMAL;
 358         GdkColor *foreground = NULL;
 359         static GdkColor color_noselect = {0, COLOR_DIM, COLOR_DIM, COLOR_DIM};
 360         static GdkColor color_new;
 361
 362         gtkut_convert_int_to_gdk_color(prefs_common.color_new, &color_new);
 363
 364         name = tmpname = folder_item_get_name(item);
 365
 366         if (item->stype != F_NORMAL && FOLDER_IS_LOCAL(item->folder)) {
 367                 switch (item->stype) {
 368                 case F_INBOX:
 369                         if (!strcmp2(item->name, INBOX_DIR))
 370                                 name = _("Inbox");
 371                         break;
 372                 case F_OUTBOX:
 373                         if (!strcmp2(item->name, OUTBOX_DIR))
 374                                 name = _("Sent");
 375                         break;
 376                 case F_QUEUE:
 377                         if (!strcmp2(item->name, QUEUE_DIR))
 378                                 name = _("Queue");
 379                         break;
 380                 case F_TRASH:
 381                         if (!strcmp2(item->name, TRASH_DIR))
 382                                 name = _("Trash");
 383                         break;
 384                 case F_DRAFT:
 385                         if (!strcmp2(item->name, DRAFT_DIR))
 386                                 name = _("Drafts");
 387                         break;
 388                 default:
 389                         break;
 390                 }
 391         }
 392
 393         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0) {
 394                 name = g_strdup_printf("%s (%d)", name, item->total_msgs);
 395         } else if (item->unread_msgs > 0) {
 396                 name = g_strdup_printf("%s (%d)", name, item->unread_msgs);
 397         } else
 398                 name = g_strdup(name);
 399
 400         pixbuf = item->no_select ? foldernoselect_pixbuf : folder_pixbuf;
 401         pixbuf_open =
 402                 item->no_select ? foldernoselect_pixbuf : folderopen_pixbuf;
 403
 404         if (folder_has_parent_of_type(item, F_DRAFT) ||
 405             folder_has_parent_of_type(item, F_OUTBOX) ||
 406             folder_has_parent_of_type(item, F_TRASH)) {
 407                 use_color = FALSE;
 408         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
 409                 use_color = (item->total_msgs > 0);
 410                 if (item->total_msgs > 0)
 411                         weight = PANGO_WEIGHT_BOLD;
 412         } else {
 413                 if (item->unread_msgs > 0)
 414                         weight = PANGO_WEIGHT_BOLD;
 415                 use_color = (item->new_msgs > 0);
 416         }
 417
 418         if (item->no_select)
 419                 foreground = &color_noselect;
 420         else if (use_color)
 421                 foreground = &color_new;
 422
 423         /* insert this node */
 424         gtk_tree_store_append(store, iter, parent);
 425         gtk_tree_store_set(store, iter,
 426                            FOLDERSEL_FOLDERNAME, name,
 427                            FOLDERSEL_FOLDERITEM, item,
 428                            FOLDERSEL_PIXBUF, pixbuf,
 429                            FOLDERSEL_PIXBUF_OPEN, pixbuf_open,
 430                            FOLDERSEL_FOREGROUND, foreground,
 431                            FOLDERSEL_BOLD, weight,
 432                            -1);
 433
 434         g_free(tmpname);
 435 }
 436
 437 static void foldersel_insert_gnode_in_store(GtkTreeStore *store, GNode *node,
 438                                             GtkTreeIter *parent)
 439 {
 440         FolderItem *item;
 441         GtkTreeIter child;
 442         GNode *iter;
 443
 444         g_return_if_fail(node != NULL);
 445         g_return_if_fail(node->data != NULL);
 446         g_return_if_fail(store != NULL);
 447
 448         item = FOLDER_ITEM(node->data);
 449         foldersel_append_item(store, item, &child, parent);
 450
 451         /* insert its children (this node as parent) */
 452         for (iter = node->children; iter != NULL; iter = iter->next)
 453                 foldersel_insert_gnode_in_store(store, iter, &child);
 454 }
 455
 456 static void foldersel_set_tree(Folder *cur_folder, FolderSelectionType type)
 457 {
 458         Folder *folder;
 459         GList *list;
 460
 461         for (list = folder_get_list(); list != NULL; list = list->next) {
 462                 folder = FOLDER(list->data);
 463                 g_return_if_fail(folder != NULL);
 464
 465                 if (type != FOLDER_SEL_ALL) {
 466                         if (FOLDER_TYPE(folder) == F_NEWS)
 467                                 continue;
 468                 }
 469
 470                 foldersel_insert_gnode_in_store(tree_store, folder->node, NULL);
 471         }
 472
 473         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(tree_store),
 474                                              FOLDERSEL_FOLDERNAME,
 475                                              GTK_SORT_ASCENDING);
 476
 477         gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
 478 }
 479
 480 static gboolean foldersel_selected(GtkTreeSelection *selection,
 481                                    GtkTreeModel *model, GtkTreePath *path,
 482                                    gboolean currently_selected, gpointer data)
 483 {
 484         GtkTreeIter iter;
 485         FolderItem *item = NULL;
 486
 487         if (currently_selected)
 488                 return TRUE;
 489
 490         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 491                 return TRUE;
 492
 493         gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter,
 494                            FOLDERSEL_FOLDERITEM, &item, -1);
 495
 496         selected_item = item;
 497         if (selected_item && selected_item->path && !selected_item->no_select) {
 498                 gchar *id;
 499                 id = folder_item_get_identifier(selected_item);
 500                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 501                 g_free(id);
 502         } else
 503                 gtk_entry_set_text(GTK_ENTRY(entry), "");
 504
 505         return TRUE;
 506 }
 507
 508 static void foldersel_ok(GtkButton *button, gpointer data)
 509 {
 510         finished = TRUE;
 511 }
 512
 513 static void foldersel_cancel(GtkButton *button, gpointer data)
 514 {
 515         cancelled = TRUE;
 516         finished = TRUE;
 517 }
 518
 519 static void foldersel_new_folder(GtkButton *button, gpointer data)
 520 {
 521         FolderItem *new_item;
 522         gchar *new_folder;
 523         gchar *disp_name;
 524         gchar *p;
 525         GtkTreeIter selected, new_child;
 526         GtkTreePath *selected_p, *new_child_p;
 527         GtkTreeStore *store;
 528         GtkTreeModel *model;
 529         GtkTreeSelection *selection;
 530
 531         if (!selected_item || FOLDER_TYPE(selected_item->folder) == F_NEWS)
 532                 return;
 533
 534         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 535         if (!gtk_tree_selection_get_selected(selection, &model, &selected))
 536                 return;
 537         store = GTK_TREE_STORE(model);
 538
 539         new_folder = input_dialog(_("New folder"),
 540                                   _("Input the name of new folder:"),
 541                                   _("NewFolder"));
 542         if (!new_folder) return;
 543         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
 544
 545         p = strchr(new_folder, G_DIR_SEPARATOR);
 546         if ((p && FOLDER_TYPE(selected_item->folder) != F_IMAP) ||
 547             (p && FOLDER_TYPE(selected_item->folder) == F_IMAP &&
 548              *(p + 1) != '\0')) {
 549                 alertpanel_error(_("'%c' can't be included in folder name."),
 550                                 G_DIR_SEPARATOR);
 551                 return;
 552         }
 553
 554         disp_name = trim_string(new_folder, 32);
 555         AUTORELEASE_STR(disp_name, {g_free(disp_name); return;});
 556
 557         /* find whether the directory already exists */
 558         if (folder_find_child_item_by_name(selected_item, new_folder)) {
 559                 alertpanel_error(_("The folder '%s' already exists."),
 560                                  disp_name);
 561                 return;
 562         }
 563
 564         new_item = folder_create_folder(selected_item, new_folder);
 565         if (!new_item) {
 566                 alertpanel_error(_("Can't create the folder '%s'."), disp_name);
 567                 return;
 568         }
 569
 570         /* add new child */
 571         foldersel_append_item(store, new_item, &new_child, &selected);
 572
 573         selected_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &selected);
 574         new_child_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store),
 575                                               &new_child);
 576
 577         gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), selected_p, FALSE);
 578         gtk_tree_selection_select_iter(selection, &new_child);
 579         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), new_child_p,
 580                                      NULL, TRUE, 0.5, 0.0);
 581         gtk_tree_path_free(new_child_p);
 582         gtk_tree_path_free(selected_p);
 583
 584         folder_write_list();
 585 }
 586
 587 static void foldersel_entry_activated(GtkEntry *entry, gpointer data)
 588 {
 589         gtk_button_clicked(GTK_BUTTON(ok_button));
 590 }
 591
 592 static void foldersel_tree_activated(GtkTreeView *treeview, GtkTreePath *path,
 593                                      GtkTreeViewColumn *column, gpointer data)
 594 {
 595         gtk_button_clicked(GTK_BUTTON(ok_button));
 596 }
 597
 598 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 599 {
 600         foldersel_cancel(NULL, NULL);
 601         return TRUE;
 602 }
 603
 604 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 605 {
 606         if (event && event->keyval == GDK_Escape)
 607                 foldersel_cancel(NULL, NULL);
 608         return FALSE;
 609 }
 610
 611 static gint foldersel_folder_name_compare(GtkTreeModel *model, GtkTreeIter *a,
 612                                           GtkTreeIter *b, gpointer context)
 613 {
 614         gchar *str_a = NULL, *str_b = NULL;
 615         gint val = 0;
 616         FolderItem *item_a = NULL, *item_b = NULL;
 617         GtkTreeIter parent;
 618
 619         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERITEM, &item_a, -1);
 620         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERITEM, &item_b, -1);
 621
 622         /* no sort for root folder */
 623         if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(model), &parent, a))
 624                 return 0;
 625
 626         /* if both a and b are special folders, sort them according to
 627          * their types (which is in-order). Note that this assumes that
 628          * there are no multiple folders of a special type. */
 629         if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
 630                 return item_a->stype - item_b->stype;
 631
 632         /* if b is normal folder, and a is not, b is smaller (ends up
 633          * lower in the list) */
 634         if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
 635                 return item_b->stype - item_a->stype;
 636
 637         /* if b is special folder, and a is not, b is larger (ends up
 638          * higher in the list) */
 639         if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
 640                 return item_b->stype - item_a->stype;
 641
 642         /* XXX g_utf8_collate_key() comparisons may speed things
 643          * up when having large lists of folders */
 644         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERNAME, &str_a, -1);
 645         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERNAME, &str_b, -1);
 646
 647         /* otherwise just compare the folder names */
 648         val = g_utf8_collate(str_a, str_b);
 649
 650         g_free(str_a);
 651         g_free(str_b);
 652
 653         return val;
 654 }
 655
 656 static gboolean tree_view_folder_item_func(GtkTreeModel *model,
 657                                            GtkTreePath *path,
 658                                            GtkTreeIter *iter,
 659                                            FolderItemSearch *data)
 660 {
 661         FolderItem *item = NULL;
 662
 663         gtk_tree_model_get(model, iter, FOLDERSEL_FOLDERITEM, &item, -1);
 664
 665         if (data->item == item) {
 666                 data->path = gtk_tree_path_copy(path);
 667                 data->iter = *iter;
 668                 return TRUE;
 669         }
 670
 671         return FALSE;
 672 }