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