src/foldersel.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2018 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 #include "defs.h"
  20
  21 #include <glib.h>
  22 #include <glib/gi18n.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtk.h>
  25 #include <stdio.h>
  26 #include <unistd.h>
  27 #include <string.h>
  28 #include <sys/stat.h>
  29 #include <sys/types.h>
  30 #include <fcntl.h>
  31 #include <errno.h>
  32
  33 #include "main.h"
  34 #include "utils.h"
  35 #include "gtkutils.h"
  36 #include "stock_pixmap.h"
  37 #include "foldersel.h"
  38 #include "alertpanel.h"
  39 #include "manage_window.h"
  40 #include "folderview.h"
  41 #include "inputdialog.h"
  42 #include "folder.h"
  43 #include "prefs_common.h"
  44
  45 enum {
  46         FOLDERSEL_FOLDERNAME,
  47         FOLDERSEL_FOLDERITEM,
  48         FOLDERSEL_PIXBUF,
  49         FOLDERSEL_PIXBUF_OPEN,
  50         FOLDERSEL_FOREGROUND,
  51         FOLDERSEL_BOLD,
  52         N_FOLDERSEL_COLUMNS
  53 };
  54
  55 typedef struct _FolderItemSearch        FolderItemSearch;
  56
  57 struct _FolderItemSearch
  58 {
  59         FolderItem *item;
  60         GtkTreePath *path;
  61         GtkTreeIter iter;
  62 };
  63
  64 static GdkPixbuf *folder_pixbuf = NULL;
  65 static GdkPixbuf *folderopen_pixbuf = NULL;
  66 static GdkPixbuf *foldernoselect_pixbuf = NULL;
  67 static GdkPixbuf *foldernoselectopen_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            (const gchar *title);
  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                                  const gchar *title)
 137 {
 138         selected_item = NULL;
 139         root_selectable = can_sel_mailbox;
 140
 141         if (!window) {
 142                 foldersel_create(title);
 143                 foldersel_init();
 144         }
 145
 146         foldersel_set_tree(cur_folder, type);
 147
 148         /* select current */
 149         if (folder_item) {
 150                 FolderItemSearch fis;
 151
 152                 fis.item = folder_item;
 153                 fis.path = NULL;
 154
 155                 /* find matching model entry */
 156                 gtk_tree_model_foreach
 157                         (GTK_TREE_MODEL(tree_store),
 158                          (GtkTreeModelForeachFunc)tree_view_folder_item_func,
 159                          &fis);
 160
 161                 if (fis.path) {
 162                         GtkTreeSelection *selection;
 163
 164                         selection = gtk_tree_view_get_selection
 165                                 (GTK_TREE_VIEW(treeview));
 166                         gtk_tree_selection_select_iter(selection, &fis.iter);
 167                         gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview),
 168                                                  fis.path, NULL, FALSE);
 169                         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview),
 170                                                      fis.path,
 171                                                      NULL, TRUE, 0.5, 0.0);
 172                         gtk_tree_path_free(fis.path);
 173                 } else
 174                         gtk_tree_view_scroll_to_point
 175                                 (GTK_TREE_VIEW(treeview), 0, 0);
 176         } else
 177                 gtk_tree_view_scroll_to_point(GTK_TREE_VIEW(treeview), 0, 0);
 178
 179         gtk_widget_grab_focus(ok_button);
 180         gtk_widget_grab_focus(treeview);
 181
 182         gtk_window_present(GTK_WINDOW(window));
 183         manage_window_set_transient(GTK_WINDOW(window));
 184         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 185
 186         cancelled = finished = FALSE;
 187
 188         while (finished == FALSE)
 189                 gtk_main_iteration();
 190
 191         gtk_widget_destroy(window);
 192         window = NULL;
 193
 194         if (!cancelled &&
 195             selected_item && (selected_item->path || root_selectable)) {
 196                 folder_item = selected_item;
 197                 return folder_item;
 198         } else
 199                 return NULL;
 200 }
 201
 202 static gboolean foldersel_search_name_func(GtkTreeModel *model, gint column,
 203                 const gchar *key, GtkTreeIter *iter, gpointer search_data)
 204 {
 205         gchar *store_string = NULL;
 206         FolderItem *item;
 207         gboolean retval;
 208
 209         if (column == FOLDERSEL_FOLDERNAME) {
 210                 /* get the name of the FolderItem, not the displayed string */
 211                 gtk_tree_model_get(model, iter,
 212                            FOLDERSEL_FOLDERITEM, &item, -1);
 213                 store_string = folder_item_get_name(item);
 214         } else {
 215                 gtk_tree_model_get(model, iter, column, &store_string, -1);
 216         }
 217
 218         if (!store_string || !key)
 219                 return FALSE;
 220
 221         retval = (strcasestr(store_string, key) == NULL);
 222
 223         g_free(store_string);
 224
 225         return retval;
 226 }
 227
 228 static void foldersel_size_allocate_cb(GtkWidget *widget,
 229                                          GtkAllocation *allocation)
 230 {
 231         cm_return_if_fail(allocation != NULL);
 232
 233         prefs_common.folderselwin_width = allocation->width;
 234         prefs_common.folderselwin_height = allocation->height;
 235 }
 236
 237 static void foldersel_create(const gchar *title)
 238 {
 239         GtkWidget *vbox;
 240         GtkWidget *scrolledwin;
 241         GtkWidget *confirm_area;
 242         GtkWidget *label;
 243         GtkTreeViewColumn *column;
 244         GtkCellRenderer *renderer;
 245         GtkTreeSelection *selection;
 246         static GdkGeometry geometry;
 247
 248         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "foldersel");
 249         gtk_window_set_title(GTK_WINDOW(window),_("Select folder"));
 250         gtk_container_set_border_width(GTK_CONTAINER(window), 4);
 251         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 252         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 253
 254         gtk_widget_realize(window);
 255         g_signal_connect(G_OBJECT(window), "delete_event",
 256                          G_CALLBACK(delete_event), NULL);
 257         g_signal_connect(G_OBJECT(window), "key_press_event",
 258                          G_CALLBACK(key_pressed), NULL);
 259         g_signal_connect(G_OBJECT(window), "size_allocate",
 260                          G_CALLBACK(foldersel_size_allocate_cb), NULL);
 261         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 262
 263         vbox = gtk_vbox_new(FALSE, 4);
 264         gtk_container_add(GTK_CONTAINER(window), vbox);
 265
 266         if (title != NULL) {
 267                 label = gtk_label_new(title);
 268                 gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 269                 gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 270         }
 271
 272         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 273         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 274                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 275         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 276                                             GTK_SHADOW_IN);
 277         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 278
 279         tree_store = gtk_tree_store_new(N_FOLDERSEL_COLUMNS,
 280                                         G_TYPE_STRING,
 281                                         G_TYPE_POINTER,
 282                                         GDK_TYPE_PIXBUF,
 283                                         GDK_TYPE_PIXBUF,
 284                                         GDK_TYPE_COLOR,
 285                                         G_TYPE_INT);
 286         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(tree_store),
 287                                         FOLDERSEL_FOLDERNAME,
 288                                         foldersel_folder_name_compare,
 289                                         NULL, NULL);
 290
 291         treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
 292         g_object_unref(G_OBJECT(tree_store));
 293         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
 294         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(treeview),
 295                                      prefs_common.use_stripes_everywhere);
 296         gtk_tree_view_set_enable_tree_lines(GTK_TREE_VIEW(treeview), FALSE);
 297         gtk_tree_view_set_search_column(GTK_TREE_VIEW(treeview),
 298                                         FOLDERSEL_FOLDERNAME);
 299         if (prefs_common.folder_search_wildcard)
 300                 gtk_tree_view_set_search_equal_func(GTK_TREE_VIEW(treeview),
 301                                 foldersel_search_name_func, NULL, NULL);
 302
 303         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 304         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 305         gtk_tree_selection_set_select_function(selection, foldersel_selected,
 306                                                NULL, NULL);
 307
 308         g_signal_connect(G_OBJECT(treeview), "row-activated",
 309                          G_CALLBACK(foldersel_tree_activated), NULL);
 310         gtk_container_add(GTK_CONTAINER(scrolledwin), treeview);
 311
 312         column = gtk_tree_view_column_new();
 313         gtk_tree_view_column_set_spacing(column, 2);
 314         renderer = gtk_cell_renderer_pixbuf_new();
 315         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 316         gtk_tree_view_column_set_attributes
 317                 (column, renderer,
 318                  "pixbuf", FOLDERSEL_PIXBUF,
 319                  "pixbuf-expander-open", FOLDERSEL_PIXBUF_OPEN,
 320                  "pixbuf-expander-closed", FOLDERSEL_PIXBUF,
 321                  NULL);
 322
 323         /* create text renderer */
 324         renderer = gtk_cell_renderer_text_new();
 325         gtk_cell_renderer_set_padding(renderer, 0, 0);
 326         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 327         gtk_tree_view_column_set_attributes
 328                 (column, renderer,
 329                  "text", FOLDERSEL_FOLDERNAME,
 330                  "foreground-gdk", FOLDERSEL_FOREGROUND,
 331                  "weight", FOLDERSEL_BOLD,
 332                  NULL);
 333         g_object_set(G_OBJECT(renderer), "weight", PANGO_WEIGHT_BOLD, NULL);
 334         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 335
 336         gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
 337
 338         entry = gtk_entry_new();
 339         gtk_editable_set_editable(GTK_EDITABLE(entry), FALSE);
 340         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 341         g_signal_connect(G_OBJECT(entry), "activate",
 342                          G_CALLBACK(foldersel_entry_activated), NULL);
 343
 344         gtkut_stock_button_set_create(&confirm_area,
 345                                       &new_button,    GTK_STOCK_NEW,
 346                                       &cancel_button, GTK_STOCK_CANCEL,
 347                                       &ok_button,     GTK_STOCK_OK);
 348
 349         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 350         gtk_widget_grab_default(ok_button);
 351
 352         g_signal_connect(G_OBJECT(ok_button), "clicked",
 353                          G_CALLBACK(foldersel_ok), NULL);
 354         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 355                          G_CALLBACK(foldersel_cancel), NULL);
 356         g_signal_connect(G_OBJECT(new_button), "clicked",
 357                          G_CALLBACK(foldersel_new_folder), NULL);
 358
 359         if (!geometry.min_height) {
 360                 geometry.min_width = 300;
 361                 geometry.min_height = 360;
 362         }
 363
 364         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 365                                       GDK_HINT_MIN_SIZE);
 366         gtk_widget_set_size_request(window, prefs_common.folderselwin_width,
 367                                     prefs_common.folderselwin_height);
 368
 369         gtk_widget_show_all(vbox);
 370 }
 371
 372 static void foldersel_init(void)
 373 {
 374         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE, &folder_pixbuf);
 375         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN, &folderopen_pixbuf);
 376         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE, &foldernoselect_pixbuf);
 377         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_OPEN, &foldernoselectopen_pixbuf);
 378 }
 379
 380 void foldersel_reflect_prefs_pixmap_theme(void)
 381 {
 382         if (folder_pixbuf)
 383                 g_object_unref(folder_pixbuf);
 384         if (folderopen_pixbuf)
 385                 g_object_unref(folderopen_pixbuf);
 386         if (foldernoselect_pixbuf)
 387                 g_object_unref(foldernoselect_pixbuf);
 388         if (foldernoselectopen_pixbuf)
 389                 g_object_unref(foldernoselectopen_pixbuf);
 390         foldersel_init();
 391 }
 392
 393 static void foldersel_append_item(GtkTreeStore *store, FolderItem *item,
 394                                   GtkTreeIter *iter, GtkTreeIter *parent)
 395 {
 396         gchar *name, *tmpname;
 397         GdkPixbuf *pixbuf, *pixbuf_open;
 398         gboolean use_color;
 399         PangoWeight weight = PANGO_WEIGHT_NORMAL;
 400         GdkColor *foreground = NULL;
 401         static GdkColor color_noselect = {0, COLOR_DIM, COLOR_DIM, COLOR_DIM};
 402         static GdkColor color_new;
 403
 404         gtkut_convert_int_to_gdk_color(prefs_common.color[COL_NEW], &color_new);
 405
 406         name = folder_item_get_name(item);
 407
 408         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0) {
 409                 tmpname = g_strdup_printf("%s (%d)", name, item->total_msgs);
 410         } else if (item->unread_msgs > 0) {
 411                 tmpname = g_strdup_printf("%s (%d)", name, item->unread_msgs);
 412         } else
 413                 tmpname = g_strdup(name);
 414
 415         g_free(name);
 416         name = tmpname;
 417
 418         pixbuf = item->no_select ? foldernoselect_pixbuf : folder_pixbuf;
 419         pixbuf_open =
 420                 item->no_select ? foldernoselectopen_pixbuf : folderopen_pixbuf;
 421
 422         if (folder_has_parent_of_type(item, F_DRAFT) ||
 423             folder_has_parent_of_type(item, F_OUTBOX) ||
 424             folder_has_parent_of_type(item, F_TRASH)) {
 425                 use_color = FALSE;
 426         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
 427                 use_color = (item->total_msgs > 0);
 428                 if (item->total_msgs > 0)
 429                         weight = PANGO_WEIGHT_BOLD;
 430         } else {
 431                 if (item->unread_msgs > 0)
 432                         weight = PANGO_WEIGHT_BOLD;
 433                 use_color = (item->new_msgs > 0);
 434         }
 435
 436         if (item->no_select)
 437                 foreground = &color_noselect;
 438         else if (use_color)
 439                 foreground = &color_new;
 440
 441         /* insert this node */
 442         gtk_tree_store_append(store, iter, parent);
 443         gtk_tree_store_set(store, iter,
 444                            FOLDERSEL_FOLDERNAME, name,
 445                            FOLDERSEL_FOLDERITEM, item,
 446                            FOLDERSEL_PIXBUF, pixbuf,
 447                            FOLDERSEL_PIXBUF_OPEN, pixbuf_open,
 448                            FOLDERSEL_FOREGROUND, foreground,
 449                            FOLDERSEL_BOLD, weight,
 450                            -1);
 451
 452         g_free(name);
 453 }
 454
 455 static void foldersel_insert_gnode_in_store(GtkTreeStore *store, GNode *node,
 456                                             GtkTreeIter *parent)
 457 {
 458         FolderItem *item;
 459         GtkTreeIter child;
 460         GNode *iter;
 461
 462         cm_return_if_fail(node != NULL);
 463         cm_return_if_fail(node->data != NULL);
 464         cm_return_if_fail(store != NULL);
 465
 466         item = FOLDER_ITEM(node->data);
 467         foldersel_append_item(store, item, &child, parent);
 468
 469         /* insert its children (this node as parent) */
 470         for (iter = node->children; iter != NULL; iter = iter->next)
 471                 foldersel_insert_gnode_in_store(store, iter, &child);
 472 }
 473
 474 static void foldersel_set_tree(Folder *cur_folder, FolderSelectionType type)
 475 {
 476         Folder *folder;
 477         GList *list;
 478
 479         for (list = folder_get_list(); list != NULL; list = list->next) {
 480                 folder = FOLDER(list->data);
 481                 cm_return_if_fail(folder != NULL);
 482
 483                 if (type != FOLDER_SEL_ALL) {
 484                         if (FOLDER_TYPE(folder) == F_NEWS)
 485                                 continue;
 486                 }
 487
 488                 if (cur_folder && (cur_folder->klass != folder->klass
 489                     && strcmp2(cur_folder->name, folder->name) != 0))
 490                     continue;
 491
 492                 foldersel_insert_gnode_in_store(tree_store, folder->node, NULL);
 493         }
 494
 495         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(tree_store),
 496                                              FOLDERSEL_FOLDERNAME,
 497                                              GTK_SORT_ASCENDING);
 498
 499         gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
 500 }
 501
 502 #include "localfolder.h"
 503 static gboolean foldersel_selected(GtkTreeSelection *selection,
 504                                    GtkTreeModel *model, GtkTreePath *path,
 505                                    gboolean currently_selected, gpointer data)
 506 {
 507         GtkTreeIter iter;
 508         FolderItem *item = NULL;
 509
 510         if (currently_selected)
 511                 return TRUE;
 512
 513         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 514                 return TRUE;
 515
 516         gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter,
 517                            FOLDERSEL_FOLDERITEM, &item, -1);
 518
 519         selected_item = item;
 520         if (selected_item && selected_item->path) {
 521                 gchar *id;
 522                 id = folder_item_get_identifier(selected_item);
 523                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 524                 g_free(id);
 525         } else
 526         if (root_selectable && selected_item && selected_item->folder &&
 527                         (FOLDER_TYPE(selected_item->folder) == F_MH ||
 528                          FOLDER_TYPE(selected_item->folder) == F_MBOX ||
 529                          FOLDER_TYPE(selected_item->folder) == F_IMAP)) {
 530                 gchar *id = folder_get_identifier(selected_item->folder);
 531                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 532                 g_free(id);
 533         } else
 534                 gtk_entry_set_text(GTK_ENTRY(entry), "");
 535
 536         return TRUE;
 537 }
 538
 539 static void foldersel_ok(GtkButton *button, gpointer data)
 540 {
 541         finished = TRUE;
 542 }
 543
 544 static void foldersel_cancel(GtkButton *button, gpointer data)
 545 {
 546         cancelled = TRUE;
 547         finished = TRUE;
 548 }
 549
 550 static void foldersel_new_folder(GtkButton *button, gpointer data)
 551 {
 552         FolderItem *new_item;
 553         gchar *new_folder;
 554         gchar *disp_name;
 555         gchar *p;
 556         GtkTreeIter selected, new_child;
 557         GtkTreePath *selected_p, *new_child_p;
 558         GtkTreeStore *store;
 559         GtkTreeModel *model;
 560         GtkTreeSelection *selection;
 561
 562         if (!selected_item || FOLDER_TYPE(selected_item->folder) == F_NEWS)
 563                 return;
 564
 565         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 566         if (!gtk_tree_selection_get_selected(selection, &model, &selected))
 567                 return;
 568         store = GTK_TREE_STORE(model);
 569
 570         new_folder = input_dialog(_("New folder"),
 571                                   _("Input the name of new folder:"),
 572                                   _("NewFolder"));
 573         if (!new_folder) return;
 574         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
 575
 576         p = strchr(new_folder, G_DIR_SEPARATOR);
 577         if ((p && FOLDER_TYPE(selected_item->folder) != F_IMAP) ||
 578             (p && FOLDER_TYPE(selected_item->folder) == F_IMAP &&
 579              *(p + 1) != '\0')) {
 580                 alertpanel_error(_("'%c' can't be included in folder name."),
 581                                 G_DIR_SEPARATOR);
 582                 return;
 583         }
 584
 585         if (FOLDER_TYPE(selected_item->folder) != F_IMAP &&
 586                         FOLDER_TYPE(selected_item->folder) != F_NEWS &&
 587                         !folder_local_name_ok(new_folder))
 588                 return;
 589
 590         disp_name = trim_string(new_folder, 32);
 591         AUTORELEASE_STR(disp_name, {g_free(disp_name); return;});
 592
 593         /* find whether the directory already exists */
 594         if (folder_find_child_item_by_name(selected_item, new_folder)) {
 595                 alertpanel_error(_("The folder '%s' already exists."),
 596                                  disp_name);
 597                 return;
 598         }
 599
 600         new_item = folder_create_folder(selected_item, new_folder);
 601         if (!new_item) {
 602                 alertpanel_error(_("Can't create the folder '%s'."), disp_name);
 603                 return;
 604         }
 605
 606         /* add new child */
 607         foldersel_append_item(store, new_item, &new_child, &selected);
 608
 609         selected_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &selected);
 610         new_child_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store),
 611                                               &new_child);
 612
 613         gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), selected_p, FALSE);
 614         gtk_tree_selection_select_iter(selection, &new_child);
 615         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), new_child_p,
 616                                      NULL, TRUE, 0.5, 0.0);
 617         gtk_tree_path_free(new_child_p);
 618         gtk_tree_path_free(selected_p);
 619
 620         folder_write_list();
 621 }
 622
 623 static void foldersel_entry_activated(GtkEntry *entry, gpointer data)
 624 {
 625         gtk_button_clicked(GTK_BUTTON(ok_button));
 626 }
 627
 628 static void foldersel_tree_activated(GtkTreeView *treeview, GtkTreePath *path,
 629                                      GtkTreeViewColumn *column, gpointer data)
 630 {
 631         gtk_button_clicked(GTK_BUTTON(ok_button));
 632 }
 633
 634 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 635 {
 636         foldersel_cancel(NULL, NULL);
 637         return TRUE;
 638 }
 639
 640 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 641 {
 642         if (!event)
 643                 return FALSE;
 644
 645         if (event->keyval == GDK_KEY_Escape) {
 646                 foldersel_cancel(NULL, NULL);
 647                 return TRUE;
 648         }
 649
 650         GtkTreePath *path = NULL;
 651         gtk_tree_view_get_cursor(GTK_TREE_VIEW(treeview), &path, NULL);
 652         if (path == NULL)
 653                 return FALSE;
 654
 655         switch (event->keyval) {
 656                 case GDK_KEY_Left:
 657                         if (gtk_tree_view_row_expanded(GTK_TREE_VIEW(treeview), path)) {
 658                                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(treeview), path);
 659                         } else {
 660                                 gtk_tree_path_up(path);
 661                                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), path, NULL, FALSE);
 662                         }
 663                         return TRUE;
 664                         break;
 665                 case GDK_KEY_Right:
 666                         if (!gtk_tree_view_row_expanded(GTK_TREE_VIEW(treeview), path)) {
 667                                 gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), path, FALSE);
 668                         } else {
 669                                 gtk_tree_path_down(path);
 670                                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), path, NULL, FALSE);
 671                         }
 672                         return TRUE;
 673                         break;
 674         }
 675
 676         gtk_tree_path_free(path);
 677
 678         return FALSE;
 679 }
 680
 681 static gint foldersel_folder_name_compare(GtkTreeModel *model, GtkTreeIter *a,
 682                                           GtkTreeIter *b, gpointer context)
 683 {
 684         gchar *str_a = NULL, *str_b = NULL;
 685         gint val = 0;
 686         FolderItem *item_a = NULL, *item_b = NULL;
 687         GtkTreeIter parent;
 688
 689         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERITEM, &item_a, -1);
 690         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERITEM, &item_b, -1);
 691
 692         /* no sort for root folder */
 693         if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(model), &parent, a))
 694                 return 0;
 695
 696         /* if both a and b are special folders, sort them according to
 697          * their types (which is in-order). Note that this assumes that
 698          * there are no multiple folders of a special type. */
 699         if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
 700                 return item_a->stype - item_b->stype;
 701
 702         /* if b is normal folder, and a is not, b is smaller (ends up
 703          * lower in the list) */
 704         if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
 705                 return item_b->stype - item_a->stype;
 706
 707         /* if b is special folder, and a is not, b is larger (ends up
 708          * higher in the list) */
 709         if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
 710                 return item_b->stype - item_a->stype;
 711
 712         /* XXX g_utf8_collate_key() comparisons may speed things
 713          * up when having large lists of folders */
 714         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERNAME, &str_a, -1);
 715         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERNAME, &str_b, -1);
 716
 717         /* otherwise just compare the folder names */
 718         val = g_utf8_collate(str_a, str_b);
 719
 720         g_free(str_a);
 721         g_free(str_b);
 722
 723         return val;
 724 }
 725
 726 static gboolean tree_view_folder_item_func(GtkTreeModel *model,
 727                                            GtkTreePath *path,
 728                                            GtkTreeIter *iter,
 729                                            FolderItemSearch *data)
 730 {
 731         FolderItem *item = NULL;
 732
 733         gtk_tree_model_get(model, iter, FOLDERSEL_FOLDERITEM, &item, -1);
 734
 735         if (data->item == item) {
 736                 data->path = gtk_tree_path_copy(path);
 737                 data->iter = *iter;
 738                 return TRUE;
 739         }
 740
 741         return FALSE;
 742 }