src/foldersel.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2013 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_window_present(GTK_WINDOW(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_destroy(window);
 191         window = NULL;
 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 gboolean foldersel_search_name_func(GtkTreeModel *model, gint column,
 202                 const gchar *key, GtkTreeIter *iter, gpointer search_data)
 203 {
 204         gchar *store_string = NULL;
 205         FolderItem *item;
 206         gboolean retval;
 207
 208         if (column == FOLDERSEL_FOLDERNAME) {
 209                 /* get the name of the FolderItem, not the displayed string */
 210                 gtk_tree_model_get(model, iter,
 211                            FOLDERSEL_FOLDERITEM, &item, -1);
 212                 store_string = folder_item_get_name(item);
 213         } else {
 214                 gtk_tree_model_get(model, iter, column, &store_string, -1);
 215         }
 216
 217         if (!store_string || !key)
 218                 return FALSE;
 219
 220         retval = (strcasestr(store_string, key) == NULL);
 221
 222         g_free(store_string);
 223
 224         return retval;
 225 }
 226
 227 static void foldersel_size_allocate_cb(GtkWidget *widget,
 228                                          GtkAllocation *allocation)
 229 {
 230         cm_return_if_fail(allocation != NULL);
 231
 232         prefs_common.folderselwin_width = allocation->width;
 233         prefs_common.folderselwin_height = allocation->height;
 234 }
 235
 236 static void foldersel_create(void)
 237 {
 238         GtkWidget *vbox;
 239         GtkWidget *scrolledwin;
 240         GtkWidget *confirm_area;
 241         GtkTreeViewColumn *column;
 242         GtkCellRenderer *renderer;
 243         GtkTreeSelection *selection;
 244         static GdkGeometry geometry;
 245
 246         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "foldersel");
 247         gtk_window_set_title(GTK_WINDOW(window), _("Select folder"));
 248         gtk_container_set_border_width(GTK_CONTAINER(window), 4);
 249         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 250         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 251
 252         gtk_widget_realize(window);
 253         g_signal_connect(G_OBJECT(window), "delete_event",
 254                          G_CALLBACK(delete_event), NULL);
 255         g_signal_connect(G_OBJECT(window), "key_press_event",
 256                          G_CALLBACK(key_pressed), NULL);
 257         g_signal_connect(G_OBJECT(window), "size_allocate",
 258                          G_CALLBACK(foldersel_size_allocate_cb), NULL);
 259         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 260
 261         vbox = gtk_vbox_new(FALSE, 4);
 262         gtk_container_add(GTK_CONTAINER(window), vbox);
 263
 264         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 265         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 266                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 267         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 268                                             GTK_SHADOW_IN);
 269         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 270
 271         tree_store = gtk_tree_store_new(N_FOLDERSEL_COLUMNS,
 272                                         G_TYPE_STRING,
 273                                         G_TYPE_POINTER,
 274                                         GDK_TYPE_PIXBUF,
 275                                         GDK_TYPE_PIXBUF,
 276                                         GDK_TYPE_COLOR,
 277                                         G_TYPE_INT);
 278         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(tree_store),
 279                                         FOLDERSEL_FOLDERNAME,
 280                                         foldersel_folder_name_compare,
 281                                         NULL, NULL);
 282
 283         treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
 284         g_object_unref(G_OBJECT(tree_store));
 285         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
 286         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(treeview),
 287                                      prefs_common.use_stripes_everywhere);
 288         gtk_tree_view_set_enable_tree_lines(GTK_TREE_VIEW(treeview), FALSE);
 289         gtk_tree_view_set_search_column(GTK_TREE_VIEW(treeview),
 290                                         FOLDERSEL_FOLDERNAME);
 291         if (prefs_common.folder_search_wildcard)
 292                 gtk_tree_view_set_search_equal_func(GTK_TREE_VIEW(treeview),
 293                                 foldersel_search_name_func, NULL, NULL);
 294
 295         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 296         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 297         gtk_tree_selection_set_select_function(selection, foldersel_selected,
 298                                                NULL, NULL);
 299
 300         g_signal_connect(G_OBJECT(treeview), "row-activated",
 301                          G_CALLBACK(foldersel_tree_activated), NULL);
 302         gtk_container_add(GTK_CONTAINER(scrolledwin), treeview);
 303
 304         column = gtk_tree_view_column_new();
 305         gtk_tree_view_column_set_spacing(column, 2);
 306         renderer = gtk_cell_renderer_pixbuf_new();
 307         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 308         gtk_tree_view_column_set_attributes
 309                 (column, renderer,
 310                  "pixbuf", FOLDERSEL_PIXBUF,
 311                  "pixbuf-expander-open", FOLDERSEL_PIXBUF_OPEN,
 312                  "pixbuf-expander-closed", FOLDERSEL_PIXBUF,
 313                  NULL);
 314
 315         /* create text renderer */
 316         renderer = gtk_cell_renderer_text_new();
 317         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 318         gtk_tree_view_column_set_attributes
 319                 (column, renderer,
 320                  "text", FOLDERSEL_FOLDERNAME,
 321                  "foreground-gdk", FOLDERSEL_FOREGROUND,
 322                  "weight", FOLDERSEL_BOLD,
 323                  NULL);
 324         g_object_set(G_OBJECT(renderer), "weight", PANGO_WEIGHT_BOLD, NULL);
 325         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 326
 327         gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
 328
 329         entry = gtk_entry_new();
 330         gtk_editable_set_editable(GTK_EDITABLE(entry), FALSE);
 331         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 332         g_signal_connect(G_OBJECT(entry), "activate",
 333                          G_CALLBACK(foldersel_entry_activated), NULL);
 334
 335         gtkut_stock_button_set_create(&confirm_area,
 336                                       &new_button,    GTK_STOCK_NEW,
 337                                       &cancel_button, GTK_STOCK_CANCEL,
 338                                       &ok_button,     GTK_STOCK_OK);
 339
 340         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 341         gtk_widget_grab_default(ok_button);
 342
 343         g_signal_connect(G_OBJECT(ok_button), "clicked",
 344                          G_CALLBACK(foldersel_ok), NULL);
 345         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 346                          G_CALLBACK(foldersel_cancel), NULL);
 347         g_signal_connect(G_OBJECT(new_button), "clicked",
 348                          G_CALLBACK(foldersel_new_folder), NULL);
 349
 350         if (!geometry.min_height) {
 351                 geometry.min_width = 300;
 352                 geometry.min_height = 360;
 353         }
 354
 355         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 356                                       GDK_HINT_MIN_SIZE);
 357         gtk_widget_set_size_request(window, prefs_common.folderselwin_width,
 358                                     prefs_common.folderselwin_height);
 359
 360         gtk_widget_show_all(vbox);
 361 }
 362
 363 static void foldersel_init(void)
 364 {
 365         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_CLOSE,
 366                          &folder_pixbuf);
 367         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_OPEN,
 368                          &folderopen_pixbuf);
 369         stock_pixbuf_gdk(treeview, STOCK_PIXMAP_DIR_NOSELECT,
 370                          &foldernoselect_pixbuf);
 371 }
 372
 373 void foldersel_reflect_prefs_pixmap_theme(void)
 374 {
 375         if (folder_pixbuf)
 376                 g_object_unref(folder_pixbuf);
 377         if (folderopen_pixbuf)
 378                 g_object_unref(folderopen_pixbuf);
 379         if (foldernoselect_pixbuf)
 380                 g_object_unref(foldernoselect_pixbuf);
 381         foldersel_init();
 382 }
 383
 384 static void foldersel_append_item(GtkTreeStore *store, FolderItem *item,
 385                                   GtkTreeIter *iter, GtkTreeIter *parent)
 386 {
 387         gchar *name, *tmpname;
 388         GdkPixbuf *pixbuf, *pixbuf_open;
 389         gboolean use_color;
 390         PangoWeight weight = PANGO_WEIGHT_NORMAL;
 391         GdkColor *foreground = NULL;
 392         static GdkColor color_noselect = {0, COLOR_DIM, COLOR_DIM, COLOR_DIM};
 393         static GdkColor color_new;
 394
 395         gtkut_convert_int_to_gdk_color(prefs_common.color_new, &color_new);
 396
 397         name = tmpname = folder_item_get_name(item);
 398
 399         if (item->stype != F_NORMAL && FOLDER_IS_LOCAL(item->folder)) {
 400                 switch (item->stype) {
 401                 case F_INBOX:
 402                         if (!strcmp2(item->name, INBOX_DIR))
 403                                 name = _("Inbox");
 404                         break;
 405                 case F_OUTBOX:
 406                         if (!strcmp2(item->name, OUTBOX_DIR))
 407                                 name = _("Sent");
 408                         break;
 409                 case F_QUEUE:
 410                         if (!strcmp2(item->name, QUEUE_DIR))
 411                                 name = _("Queue");
 412                         break;
 413                 case F_TRASH:
 414                         if (!strcmp2(item->name, TRASH_DIR))
 415                                 name = _("Trash");
 416                         break;
 417                 case F_DRAFT:
 418                         if (!strcmp2(item->name, DRAFT_DIR))
 419                                 name = _("Drafts");
 420                         break;
 421                 default:
 422                         break;
 423                 }
 424         }
 425
 426         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0) {
 427                 name = g_strdup_printf("%s (%d)", name, item->total_msgs);
 428         } else if (item->unread_msgs > 0) {
 429                 name = g_strdup_printf("%s (%d)", name, item->unread_msgs);
 430         } else
 431                 name = g_strdup(name);
 432
 433         pixbuf = item->no_select ? foldernoselect_pixbuf : folder_pixbuf;
 434         pixbuf_open =
 435                 item->no_select ? foldernoselect_pixbuf : folderopen_pixbuf;
 436
 437         if (folder_has_parent_of_type(item, F_DRAFT) ||
 438             folder_has_parent_of_type(item, F_OUTBOX) ||
 439             folder_has_parent_of_type(item, F_TRASH)) {
 440                 use_color = FALSE;
 441         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
 442                 use_color = (item->total_msgs > 0);
 443                 if (item->total_msgs > 0)
 444                         weight = PANGO_WEIGHT_BOLD;
 445         } else {
 446                 if (item->unread_msgs > 0)
 447                         weight = PANGO_WEIGHT_BOLD;
 448                 use_color = (item->new_msgs > 0);
 449         }
 450
 451         if (item->no_select)
 452                 foreground = &color_noselect;
 453         else if (use_color)
 454                 foreground = &color_new;
 455
 456         /* insert this node */
 457         gtk_tree_store_append(store, iter, parent);
 458         gtk_tree_store_set(store, iter,
 459                            FOLDERSEL_FOLDERNAME, name,
 460                            FOLDERSEL_FOLDERITEM, item,
 461                            FOLDERSEL_PIXBUF, pixbuf,
 462                            FOLDERSEL_PIXBUF_OPEN, pixbuf_open,
 463                            FOLDERSEL_FOREGROUND, foreground,
 464                            FOLDERSEL_BOLD, weight,
 465                            -1);
 466
 467         g_free(tmpname);
 468 }
 469
 470 static void foldersel_insert_gnode_in_store(GtkTreeStore *store, GNode *node,
 471                                             GtkTreeIter *parent)
 472 {
 473         FolderItem *item;
 474         GtkTreeIter child;
 475         GNode *iter;
 476
 477         cm_return_if_fail(node != NULL);
 478         cm_return_if_fail(node->data != NULL);
 479         cm_return_if_fail(store != NULL);
 480
 481         item = FOLDER_ITEM(node->data);
 482         foldersel_append_item(store, item, &child, parent);
 483
 484         /* insert its children (this node as parent) */
 485         for (iter = node->children; iter != NULL; iter = iter->next)
 486                 foldersel_insert_gnode_in_store(store, iter, &child);
 487 }
 488
 489 static void foldersel_set_tree(Folder *cur_folder, FolderSelectionType type)
 490 {
 491         Folder *folder;
 492         GList *list;
 493
 494         for (list = folder_get_list(); list != NULL; list = list->next) {
 495                 folder = FOLDER(list->data);
 496                 cm_return_if_fail(folder != NULL);
 497
 498                 if (type != FOLDER_SEL_ALL) {
 499                         if (FOLDER_TYPE(folder) == F_NEWS)
 500                                 continue;
 501                 }
 502
 503                 if (cur_folder && (cur_folder->klass != folder->klass
 504                     && strcmp2(cur_folder->name, folder->name) != 0))
 505                     continue;
 506
 507                 foldersel_insert_gnode_in_store(tree_store, folder->node, NULL);
 508         }
 509
 510         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(tree_store),
 511                                              FOLDERSEL_FOLDERNAME,
 512                                              GTK_SORT_ASCENDING);
 513
 514         gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
 515 }
 516
 517 #include "localfolder.h"
 518 static gboolean foldersel_selected(GtkTreeSelection *selection,
 519                                    GtkTreeModel *model, GtkTreePath *path,
 520                                    gboolean currently_selected, gpointer data)
 521 {
 522         GtkTreeIter iter;
 523         FolderItem *item = NULL;
 524
 525         if (currently_selected)
 526                 return TRUE;
 527
 528         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 529                 return TRUE;
 530
 531         gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter,
 532                            FOLDERSEL_FOLDERITEM, &item, -1);
 533
 534         selected_item = item;
 535         if (selected_item && selected_item->path) {
 536                 gchar *id;
 537                 id = folder_item_get_identifier(selected_item);
 538                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 539                 g_free(id);
 540         } else
 541         if (root_selectable && selected_item && selected_item->folder &&
 542                         (FOLDER_TYPE(selected_item->folder) == F_MH ||
 543                          FOLDER_TYPE(selected_item->folder) == F_MBOX ||
 544                          FOLDER_TYPE(selected_item->folder) == F_IMAP)) {
 545                 gchar *id = folder_get_identifier(selected_item->folder);
 546                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 547                 g_free(id);
 548         } else
 549                 gtk_entry_set_text(GTK_ENTRY(entry), "");
 550
 551         return TRUE;
 552 }
 553
 554 static void foldersel_ok(GtkButton *button, gpointer data)
 555 {
 556         finished = TRUE;
 557 }
 558
 559 static void foldersel_cancel(GtkButton *button, gpointer data)
 560 {
 561         cancelled = TRUE;
 562         finished = TRUE;
 563 }
 564
 565 static void foldersel_new_folder(GtkButton *button, gpointer data)
 566 {
 567         FolderItem *new_item;
 568         gchar *new_folder;
 569         gchar *disp_name;
 570         gchar *p;
 571         GtkTreeIter selected, new_child;
 572         GtkTreePath *selected_p, *new_child_p;
 573         GtkTreeStore *store;
 574         GtkTreeModel *model;
 575         GtkTreeSelection *selection;
 576
 577         if (!selected_item || FOLDER_TYPE(selected_item->folder) == F_NEWS)
 578                 return;
 579
 580         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 581         if (!gtk_tree_selection_get_selected(selection, &model, &selected))
 582                 return;
 583         store = GTK_TREE_STORE(model);
 584
 585         new_folder = input_dialog(_("New folder"),
 586                                   _("Input the name of new folder:"),
 587                                   _("NewFolder"));
 588         if (!new_folder) return;
 589         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
 590
 591         p = strchr(new_folder, G_DIR_SEPARATOR);
 592         if ((p && FOLDER_TYPE(selected_item->folder) != F_IMAP) ||
 593             (p && FOLDER_TYPE(selected_item->folder) == F_IMAP &&
 594              *(p + 1) != '\0')) {
 595                 alertpanel_error(_("'%c' can't be included in folder name."),
 596                                 G_DIR_SEPARATOR);
 597                 return;
 598         }
 599
 600         disp_name = trim_string(new_folder, 32);
 601         AUTORELEASE_STR(disp_name, {g_free(disp_name); return;});
 602
 603         /* find whether the directory already exists */
 604         if (folder_find_child_item_by_name(selected_item, new_folder)) {
 605                 alertpanel_error(_("The folder '%s' already exists."),
 606                                  disp_name);
 607                 return;
 608         }
 609
 610         new_item = folder_create_folder(selected_item, new_folder);
 611         if (!new_item) {
 612                 alertpanel_error(_("Can't create the folder '%s'."), disp_name);
 613                 return;
 614         }
 615
 616         /* add new child */
 617         foldersel_append_item(store, new_item, &new_child, &selected);
 618
 619         selected_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &selected);
 620         new_child_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store),
 621                                               &new_child);
 622
 623         gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), selected_p, FALSE);
 624         gtk_tree_selection_select_iter(selection, &new_child);
 625         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), new_child_p,
 626                                      NULL, TRUE, 0.5, 0.0);
 627         gtk_tree_path_free(new_child_p);
 628         gtk_tree_path_free(selected_p);
 629
 630         folder_write_list();
 631 }
 632
 633 static void foldersel_entry_activated(GtkEntry *entry, gpointer data)
 634 {
 635         gtk_button_clicked(GTK_BUTTON(ok_button));
 636 }
 637
 638 static void foldersel_tree_activated(GtkTreeView *treeview, GtkTreePath *path,
 639                                      GtkTreeViewColumn *column, gpointer data)
 640 {
 641         gtk_button_clicked(GTK_BUTTON(ok_button));
 642 }
 643
 644 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 645 {
 646         foldersel_cancel(NULL, NULL);
 647         return TRUE;
 648 }
 649
 650 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 651 {
 652         if (event && event->keyval == GDK_KEY_Escape)
 653                 foldersel_cancel(NULL, NULL);
 654         return FALSE;
 655 }
 656
 657 static gint foldersel_folder_name_compare(GtkTreeModel *model, GtkTreeIter *a,
 658                                           GtkTreeIter *b, gpointer context)
 659 {
 660         gchar *str_a = NULL, *str_b = NULL;
 661         gint val = 0;
 662         FolderItem *item_a = NULL, *item_b = NULL;
 663         GtkTreeIter parent;
 664
 665         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERITEM, &item_a, -1);
 666         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERITEM, &item_b, -1);
 667
 668         /* no sort for root folder */
 669         if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(model), &parent, a))
 670                 return 0;
 671
 672         /* if both a and b are special folders, sort them according to
 673          * their types (which is in-order). Note that this assumes that
 674          * there are no multiple folders of a special type. */
 675         if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
 676                 return item_a->stype - item_b->stype;
 677
 678         /* if b is normal folder, and a is not, b is smaller (ends up
 679          * lower in the list) */
 680         if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
 681                 return item_b->stype - item_a->stype;
 682
 683         /* if b is special folder, and a is not, b is larger (ends up
 684          * higher in the list) */
 685         if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
 686                 return item_b->stype - item_a->stype;
 687
 688         /* XXX g_utf8_collate_key() comparisons may speed things
 689          * up when having large lists of folders */
 690         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERNAME, &str_a, -1);
 691         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERNAME, &str_b, -1);
 692
 693         /* otherwise just compare the folder names */
 694         val = g_utf8_collate(str_a, str_b);
 695
 696         g_free(str_a);
 697         g_free(str_b);
 698
 699         return val;
 700 }
 701
 702 static gboolean tree_view_folder_item_func(GtkTreeModel *model,
 703                                            GtkTreePath *path,
 704                                            GtkTreeIter *iter,
 705                                            FolderItemSearch *data)
 706 {
 707         FolderItem *item = NULL;
 708
 709         gtk_tree_model_get(model, iter, FOLDERSEL_FOLDERITEM, &item, -1);
 710
 711         if (data->item == item) {
 712                 data->path = gtk_tree_path_copy(path);
 713                 data->iter = *iter;
 714                 return TRUE;
 715         }
 716
 717         return FALSE;
 718 }