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 static GdkPixbuf *foldernoselectopen_pixbuf = NULL;
  69
  70 static GtkWidget *window;
  71 static GtkWidget *treeview;
  72 static GtkWidget *entry;
  73 static GtkWidget *ok_button;
  74 static GtkWidget *cancel_button;
  75 static GtkWidget *new_button;
  76 static gboolean   root_selectable;
  77
  78 static FolderItem *folder_item;
  79 static FolderItem *selected_item;
  80
  81 static GtkTreeStore *tree_store;
  82
  83 static gboolean cancelled;
  84 static gboolean finished;
  85
  86 static void foldersel_create            (const gchar *title);
  87 static void foldersel_init              (void);
  88
  89 static void foldersel_append_item       (GtkTreeStore   *store,
  90                                          FolderItem     *item,
  91                                          GtkTreeIter    *iter,
  92                                          GtkTreeIter    *parent);
  93
  94 static void foldersel_set_tree          (Folder                 *cur_folder,
  95                                          FolderSelectionType     type);
  96
  97 static gboolean foldersel_selected      (GtkTreeSelection *selection,
  98                                          GtkTreeModel     *model,
  99                                          GtkTreePath      *path,
 100                                          gboolean          currently_selected,
 101                                          gpointer          data);
 102
 103 static void foldersel_ok                (GtkButton      *button,
 104                                          gpointer        data);
 105 static void foldersel_cancel            (GtkButton      *button,
 106                                          gpointer        data);
 107 static void foldersel_new_folder        (GtkButton      *button,
 108                                          gpointer        data);
 109
 110 static void foldersel_entry_activated   (GtkEntry       *entry,
 111                                          gpointer        data);
 112
 113 static void foldersel_tree_activated    (GtkTreeView            *treeview,
 114                                          GtkTreePath            *path,
 115                                          GtkTreeViewColumn      *column,
 116                                          gpointer                data);
 117
 118 static gint delete_event                (GtkWidget      *widget,
 119                                          GdkEventAny    *event,
 120                                          gpointer        data);
 121 static gboolean key_pressed             (GtkWidget      *widget,
 122                                          GdkEventKey    *event,
 123                                          gpointer        data);
 124
 125 static gint foldersel_folder_name_compare       (GtkTreeModel   *model,
 126                                                  GtkTreeIter    *a,
 127                                                  GtkTreeIter    *b,
 128                                                  gpointer        context);
 129
 130 static gboolean tree_view_folder_item_func      (GtkTreeModel     *model,
 131                                                  GtkTreePath      *path,
 132                                                  GtkTreeIter      *iter,
 133                                                  FolderItemSearch *data);
 134
 135 FolderItem *foldersel_folder_sel(Folder *cur_folder, FolderSelectionType type,
 136                                  const gchar *default_folder, gboolean can_sel_mailbox,
 137                                  const gchar *title)
 138 {
 139         selected_item = NULL;
 140         root_selectable = can_sel_mailbox;
 141
 142         if (!window) {
 143                 foldersel_create(title);
 144                 foldersel_init();
 145         }
 146
 147         foldersel_set_tree(cur_folder, type);
 148
 149         /* select current */
 150         if (folder_item) {
 151                 FolderItemSearch fis;
 152
 153                 fis.item = folder_item;
 154                 fis.path = NULL;
 155
 156                 /* find matching model entry */
 157                 gtk_tree_model_foreach
 158                         (GTK_TREE_MODEL(tree_store),
 159                          (GtkTreeModelForeachFunc)tree_view_folder_item_func,
 160                          &fis);
 161
 162                 if (fis.path) {
 163                         GtkTreeSelection *selection;
 164
 165                         selection = gtk_tree_view_get_selection
 166                                 (GTK_TREE_VIEW(treeview));
 167                         gtk_tree_selection_select_iter(selection, &fis.iter);
 168                         gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview),
 169                                                  fis.path, NULL, FALSE);
 170                         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview),
 171                                                      fis.path,
 172                                                      NULL, TRUE, 0.5, 0.0);
 173                         gtk_tree_path_free(fis.path);
 174                 } else
 175                         gtk_tree_view_scroll_to_point
 176                                 (GTK_TREE_VIEW(treeview), 0, 0);
 177         } else
 178                 gtk_tree_view_scroll_to_point(GTK_TREE_VIEW(treeview), 0, 0);
 179
 180         gtk_widget_grab_focus(ok_button);
 181         gtk_widget_grab_focus(treeview);
 182
 183         gtk_window_present(GTK_WINDOW(window));
 184         manage_window_set_transient(GTK_WINDOW(window));
 185         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 186
 187         cancelled = finished = FALSE;
 188
 189         while (finished == FALSE)
 190                 gtk_main_iteration();
 191
 192         gtk_widget_destroy(window);
 193         window = NULL;
 194
 195         if (!cancelled &&
 196             selected_item && (selected_item->path || root_selectable)) {
 197                 folder_item = selected_item;
 198                 return folder_item;
 199         } else
 200                 return NULL;
 201 }
 202
 203 static gboolean foldersel_search_name_func(GtkTreeModel *model, gint column,
 204                 const gchar *key, GtkTreeIter *iter, gpointer search_data)
 205 {
 206         gchar *store_string = NULL;
 207         FolderItem *item;
 208         gboolean retval;
 209
 210         if (column == FOLDERSEL_FOLDERNAME) {
 211                 /* get the name of the FolderItem, not the displayed string */
 212                 gtk_tree_model_get(model, iter,
 213                            FOLDERSEL_FOLDERITEM, &item, -1);
 214                 store_string = folder_item_get_name(item);
 215         } else {
 216                 gtk_tree_model_get(model, iter, column, &store_string, -1);
 217         }
 218
 219         if (!store_string || !key)
 220                 return FALSE;
 221
 222         retval = (strcasestr(store_string, key) == NULL);
 223
 224         g_free(store_string);
 225
 226         return retval;
 227 }
 228
 229 static void foldersel_size_allocate_cb(GtkWidget *widget,
 230                                          GtkAllocation *allocation)
 231 {
 232         cm_return_if_fail(allocation != NULL);
 233
 234         prefs_common.folderselwin_width = allocation->width;
 235         prefs_common.folderselwin_height = allocation->height;
 236 }
 237
 238 static void foldersel_create(const gchar *title)
 239 {
 240         GtkWidget *vbox;
 241         GtkWidget *scrolledwin;
 242         GtkWidget *confirm_area;
 243         GtkWidget *label;
 244         GtkTreeViewColumn *column;
 245         GtkCellRenderer *renderer;
 246         GtkTreeSelection *selection;
 247         static GdkGeometry geometry;
 248
 249         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "foldersel");
 250         gtk_window_set_title(GTK_WINDOW(window),_("Select folder"));
 251         gtk_container_set_border_width(GTK_CONTAINER(window), 4);
 252         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 253         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 254
 255         gtk_widget_realize(window);
 256         g_signal_connect(G_OBJECT(window), "delete_event",
 257                          G_CALLBACK(delete_event), NULL);
 258         g_signal_connect(G_OBJECT(window), "key_press_event",
 259                          G_CALLBACK(key_pressed), NULL);
 260         g_signal_connect(G_OBJECT(window), "size_allocate",
 261                          G_CALLBACK(foldersel_size_allocate_cb), NULL);
 262         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 263
 264         vbox = gtk_vbox_new(FALSE, 4);
 265         gtk_container_add(GTK_CONTAINER(window), vbox);
 266
 267         if (title != NULL) {
 268                 label = gtk_label_new(title);
 269                 gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 270                 gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 271         }
 272
 273         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 274         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 275                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 276         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 277                                             GTK_SHADOW_IN);
 278         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 279
 280         tree_store = gtk_tree_store_new(N_FOLDERSEL_COLUMNS,
 281                                         G_TYPE_STRING,
 282                                         G_TYPE_POINTER,
 283                                         GDK_TYPE_PIXBUF,
 284                                         GDK_TYPE_PIXBUF,
 285                                         GDK_TYPE_COLOR,
 286                                         G_TYPE_INT);
 287         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(tree_store),
 288                                         FOLDERSEL_FOLDERNAME,
 289                                         foldersel_folder_name_compare,
 290                                         NULL, NULL);
 291
 292         treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
 293         g_object_unref(G_OBJECT(tree_store));
 294         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
 295         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(treeview),
 296                                      prefs_common.use_stripes_everywhere);
 297         gtk_tree_view_set_enable_tree_lines(GTK_TREE_VIEW(treeview), FALSE);
 298         gtk_tree_view_set_search_column(GTK_TREE_VIEW(treeview),
 299                                         FOLDERSEL_FOLDERNAME);
 300         if (prefs_common.folder_search_wildcard)
 301                 gtk_tree_view_set_search_equal_func(GTK_TREE_VIEW(treeview),
 302                                 foldersel_search_name_func, NULL, NULL);
 303
 304         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 305         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 306         gtk_tree_selection_set_select_function(selection, foldersel_selected,
 307                                                NULL, NULL);
 308
 309         g_signal_connect(G_OBJECT(treeview), "row-activated",
 310                          G_CALLBACK(foldersel_tree_activated), NULL);
 311         gtk_container_add(GTK_CONTAINER(scrolledwin), treeview);
 312
 313         column = gtk_tree_view_column_new();
 314         gtk_tree_view_column_set_spacing(column, 2);
 315         renderer = gtk_cell_renderer_pixbuf_new();
 316         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 317         gtk_tree_view_column_set_attributes
 318                 (column, renderer,
 319                  "pixbuf", FOLDERSEL_PIXBUF,
 320                  "pixbuf-expander-open", FOLDERSEL_PIXBUF_OPEN,
 321                  "pixbuf-expander-closed", FOLDERSEL_PIXBUF,
 322                  NULL);
 323
 324         /* create text renderer */
 325         renderer = gtk_cell_renderer_text_new();
 326         gtk_cell_renderer_set_padding(renderer, 0, 0);
 327         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 328         gtk_tree_view_column_set_attributes
 329                 (column, renderer,
 330                  "text", FOLDERSEL_FOLDERNAME,
 331                  "foreground-gdk", FOLDERSEL_FOREGROUND,
 332                  "weight", FOLDERSEL_BOLD,
 333                  NULL);
 334         g_object_set(G_OBJECT(renderer), "weight", PANGO_WEIGHT_BOLD, NULL);
 335         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 336
 337         gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
 338
 339         entry = gtk_entry_new();
 340         gtk_editable_set_editable(GTK_EDITABLE(entry), FALSE);
 341         gtk_box_pack_start(GTK_BOX(vbox), entry, FALSE, FALSE, 0);
 342         g_signal_connect(G_OBJECT(entry), "activate",
 343                          G_CALLBACK(foldersel_entry_activated), NULL);
 344
 345         gtkut_stock_button_set_create(&confirm_area,
 346                                       &new_button,    GTK_STOCK_NEW,
 347                                       &cancel_button, GTK_STOCK_CANCEL,
 348                                       &ok_button,     GTK_STOCK_OK);
 349
 350         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 351         gtk_widget_grab_default(ok_button);
 352
 353         g_signal_connect(G_OBJECT(ok_button), "clicked",
 354                          G_CALLBACK(foldersel_ok), NULL);
 355         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 356                          G_CALLBACK(foldersel_cancel), NULL);
 357         g_signal_connect(G_OBJECT(new_button), "clicked",
 358                          G_CALLBACK(foldersel_new_folder), NULL);
 359
 360         if (!geometry.min_height) {
 361                 geometry.min_width = 300;
 362                 geometry.min_height = 360;
 363         }
 364
 365         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 366                                       GDK_HINT_MIN_SIZE);
 367         gtk_widget_set_size_request(window, prefs_common.folderselwin_width,
 368                                     prefs_common.folderselwin_height);
 369
 370         gtk_widget_show_all(vbox);
 371 }
 372
 373 static void foldersel_init(void)
 374 {
 375         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE, &folder_pixbuf);
 376         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN, &folderopen_pixbuf);
 377         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE, &foldernoselect_pixbuf);
 378         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_OPEN, &foldernoselectopen_pixbuf);
 379 }
 380
 381 void foldersel_reflect_prefs_pixmap_theme(void)
 382 {
 383         if (folder_pixbuf)
 384                 g_object_unref(folder_pixbuf);
 385         if (folderopen_pixbuf)
 386                 g_object_unref(folderopen_pixbuf);
 387         if (foldernoselect_pixbuf)
 388                 g_object_unref(foldernoselect_pixbuf);
 389         if (foldernoselectopen_pixbuf)
 390                 g_object_unref(foldernoselectopen_pixbuf);
 391         foldersel_init();
 392 }
 393
 394 static void foldersel_append_item(GtkTreeStore *store, FolderItem *item,
 395                                   GtkTreeIter *iter, GtkTreeIter *parent)
 396 {
 397         gchar *name, *tmpname;
 398         GdkPixbuf *pixbuf, *pixbuf_open;
 399         gboolean use_color;
 400         PangoWeight weight = PANGO_WEIGHT_NORMAL;
 401         GdkColor *foreground = NULL;
 402         static GdkColor color_noselect = {0, COLOR_DIM, COLOR_DIM, COLOR_DIM};
 403         static GdkColor color_new;
 404
 405         gtkut_convert_int_to_gdk_color(prefs_common.color_new, &color_new);
 406
 407         name = tmpname = folder_item_get_name(item);
 408
 409         if (item->stype != F_NORMAL && FOLDER_IS_LOCAL(item->folder)) {
 410                 switch (item->stype) {
 411                 case F_INBOX:
 412                         if (!strcmp2(item->name, INBOX_DIR))
 413                                 name = _("Inbox");
 414                         break;
 415                 case F_OUTBOX:
 416                         if (!strcmp2(item->name, OUTBOX_DIR))
 417                                 name = _("Sent");
 418                         break;
 419                 case F_QUEUE:
 420                         if (!strcmp2(item->name, QUEUE_DIR))
 421                                 name = _("Queue");
 422                         break;
 423                 case F_TRASH:
 424                         if (!strcmp2(item->name, TRASH_DIR))
 425                                 name = _("Trash");
 426                         break;
 427                 case F_DRAFT:
 428                         if (!strcmp2(item->name, DRAFT_DIR))
 429                                 name = _("Drafts");
 430                         break;
 431                 default:
 432                         break;
 433                 }
 434         }
 435
 436         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0) {
 437                 name = g_strdup_printf("%s (%d)", name, item->total_msgs);
 438         } else if (item->unread_msgs > 0) {
 439                 name = g_strdup_printf("%s (%d)", name, item->unread_msgs);
 440         } else
 441                 name = g_strdup(name);
 442
 443         pixbuf = item->no_select ? foldernoselect_pixbuf : folder_pixbuf;
 444         pixbuf_open =
 445                 item->no_select ? foldernoselectopen_pixbuf : folderopen_pixbuf;
 446
 447         if (folder_has_parent_of_type(item, F_DRAFT) ||
 448             folder_has_parent_of_type(item, F_OUTBOX) ||
 449             folder_has_parent_of_type(item, F_TRASH)) {
 450                 use_color = FALSE;
 451         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
 452                 use_color = (item->total_msgs > 0);
 453                 if (item->total_msgs > 0)
 454                         weight = PANGO_WEIGHT_BOLD;
 455         } else {
 456                 if (item->unread_msgs > 0)
 457                         weight = PANGO_WEIGHT_BOLD;
 458                 use_color = (item->new_msgs > 0);
 459         }
 460
 461         if (item->no_select)
 462                 foreground = &color_noselect;
 463         else if (use_color)
 464                 foreground = &color_new;
 465
 466         /* insert this node */
 467         gtk_tree_store_append(store, iter, parent);
 468         gtk_tree_store_set(store, iter,
 469                            FOLDERSEL_FOLDERNAME, name,
 470                            FOLDERSEL_FOLDERITEM, item,
 471                            FOLDERSEL_PIXBUF, pixbuf,
 472                            FOLDERSEL_PIXBUF_OPEN, pixbuf_open,
 473                            FOLDERSEL_FOREGROUND, foreground,
 474                            FOLDERSEL_BOLD, weight,
 475                            -1);
 476
 477         g_free(tmpname);
 478 }
 479
 480 static void foldersel_insert_gnode_in_store(GtkTreeStore *store, GNode *node,
 481                                             GtkTreeIter *parent)
 482 {
 483         FolderItem *item;
 484         GtkTreeIter child;
 485         GNode *iter;
 486
 487         cm_return_if_fail(node != NULL);
 488         cm_return_if_fail(node->data != NULL);
 489         cm_return_if_fail(store != NULL);
 490
 491         item = FOLDER_ITEM(node->data);
 492         foldersel_append_item(store, item, &child, parent);
 493
 494         /* insert its children (this node as parent) */
 495         for (iter = node->children; iter != NULL; iter = iter->next)
 496                 foldersel_insert_gnode_in_store(store, iter, &child);
 497 }
 498
 499 static void foldersel_set_tree(Folder *cur_folder, FolderSelectionType type)
 500 {
 501         Folder *folder;
 502         GList *list;
 503
 504         for (list = folder_get_list(); list != NULL; list = list->next) {
 505                 folder = FOLDER(list->data);
 506                 cm_return_if_fail(folder != NULL);
 507
 508                 if (type != FOLDER_SEL_ALL) {
 509                         if (FOLDER_TYPE(folder) == F_NEWS)
 510                                 continue;
 511                 }
 512
 513                 if (cur_folder && (cur_folder->klass != folder->klass
 514                     && strcmp2(cur_folder->name, folder->name) != 0))
 515                     continue;
 516
 517                 foldersel_insert_gnode_in_store(tree_store, folder->node, NULL);
 518         }
 519
 520         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(tree_store),
 521                                              FOLDERSEL_FOLDERNAME,
 522                                              GTK_SORT_ASCENDING);
 523
 524         gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
 525 }
 526
 527 #include "localfolder.h"
 528 static gboolean foldersel_selected(GtkTreeSelection *selection,
 529                                    GtkTreeModel *model, GtkTreePath *path,
 530                                    gboolean currently_selected, gpointer data)
 531 {
 532         GtkTreeIter iter;
 533         FolderItem *item = NULL;
 534
 535         if (currently_selected)
 536                 return TRUE;
 537
 538         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 539                 return TRUE;
 540
 541         gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter,
 542                            FOLDERSEL_FOLDERITEM, &item, -1);
 543
 544         selected_item = item;
 545         if (selected_item && selected_item->path) {
 546                 gchar *id;
 547                 id = folder_item_get_identifier(selected_item);
 548                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 549                 g_free(id);
 550         } else
 551         if (root_selectable && selected_item && selected_item->folder &&
 552                         (FOLDER_TYPE(selected_item->folder) == F_MH ||
 553                          FOLDER_TYPE(selected_item->folder) == F_MBOX ||
 554                          FOLDER_TYPE(selected_item->folder) == F_IMAP)) {
 555                 gchar *id = folder_get_identifier(selected_item->folder);
 556                 gtk_entry_set_text(GTK_ENTRY(entry), id);
 557                 g_free(id);
 558         } else
 559                 gtk_entry_set_text(GTK_ENTRY(entry), "");
 560
 561         return TRUE;
 562 }
 563
 564 static void foldersel_ok(GtkButton *button, gpointer data)
 565 {
 566         finished = TRUE;
 567 }
 568
 569 static void foldersel_cancel(GtkButton *button, gpointer data)
 570 {
 571         cancelled = TRUE;
 572         finished = TRUE;
 573 }
 574
 575 static void foldersel_new_folder(GtkButton *button, gpointer data)
 576 {
 577         FolderItem *new_item;
 578         gchar *new_folder;
 579         gchar *disp_name;
 580         gchar *p;
 581         GtkTreeIter selected, new_child;
 582         GtkTreePath *selected_p, *new_child_p;
 583         GtkTreeStore *store;
 584         GtkTreeModel *model;
 585         GtkTreeSelection *selection;
 586
 587         if (!selected_item || FOLDER_TYPE(selected_item->folder) == F_NEWS)
 588                 return;
 589
 590         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 591         if (!gtk_tree_selection_get_selected(selection, &model, &selected))
 592                 return;
 593         store = GTK_TREE_STORE(model);
 594
 595         new_folder = input_dialog(_("New folder"),
 596                                   _("Input the name of new folder:"),
 597                                   _("NewFolder"));
 598         if (!new_folder) return;
 599         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
 600
 601         p = strchr(new_folder, G_DIR_SEPARATOR);
 602         if ((p && FOLDER_TYPE(selected_item->folder) != F_IMAP) ||
 603             (p && FOLDER_TYPE(selected_item->folder) == F_IMAP &&
 604              *(p + 1) != '\0')) {
 605                 alertpanel_error(_("'%c' can't be included in folder name."),
 606                                 G_DIR_SEPARATOR);
 607                 return;
 608         }
 609
 610         if (FOLDER_TYPE(selected_item->folder) != F_IMAP &&
 611                         FOLDER_TYPE(selected_item->folder) != F_NEWS &&
 612                         !folder_local_name_ok(new_folder))
 613                 return;
 614
 615         disp_name = trim_string(new_folder, 32);
 616         AUTORELEASE_STR(disp_name, {g_free(disp_name); return;});
 617
 618         /* find whether the directory already exists */
 619         if (folder_find_child_item_by_name(selected_item, new_folder)) {
 620                 alertpanel_error(_("The folder '%s' already exists."),
 621                                  disp_name);
 622                 return;
 623         }
 624
 625         new_item = folder_create_folder(selected_item, new_folder);
 626         if (!new_item) {
 627                 alertpanel_error(_("Can't create the folder '%s'."), disp_name);
 628                 return;
 629         }
 630
 631         /* add new child */
 632         foldersel_append_item(store, new_item, &new_child, &selected);
 633
 634         selected_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &selected);
 635         new_child_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store),
 636                                               &new_child);
 637
 638         gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), selected_p, FALSE);
 639         gtk_tree_selection_select_iter(selection, &new_child);
 640         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), new_child_p,
 641                                      NULL, TRUE, 0.5, 0.0);
 642         gtk_tree_path_free(new_child_p);
 643         gtk_tree_path_free(selected_p);
 644
 645         folder_write_list();
 646 }
 647
 648 static void foldersel_entry_activated(GtkEntry *entry, gpointer data)
 649 {
 650         gtk_button_clicked(GTK_BUTTON(ok_button));
 651 }
 652
 653 static void foldersel_tree_activated(GtkTreeView *treeview, GtkTreePath *path,
 654                                      GtkTreeViewColumn *column, gpointer data)
 655 {
 656         gtk_button_clicked(GTK_BUTTON(ok_button));
 657 }
 658
 659 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 660 {
 661         foldersel_cancel(NULL, NULL);
 662         return TRUE;
 663 }
 664
 665 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 666 {
 667         if (!event)
 668                 return FALSE;
 669
 670         if (event->keyval == GDK_KEY_Escape) {
 671                 foldersel_cancel(NULL, NULL);
 672                 return TRUE;
 673         }
 674
 675         GtkTreePath *path = NULL;
 676         gtk_tree_view_get_cursor(GTK_TREE_VIEW(treeview), &path, NULL);
 677         if (path == NULL)
 678                 return FALSE;
 679
 680         switch (event->keyval) {
 681                 case GDK_KEY_Left:
 682                         if (gtk_tree_view_row_expanded(GTK_TREE_VIEW(treeview), path)) {
 683                                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(treeview), path);
 684                         } else {
 685                                 gtk_tree_path_up(path);
 686                                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), path, NULL, FALSE);
 687                         }
 688                         return TRUE;
 689                         break;
 690                 case GDK_KEY_Right:
 691                         if (!gtk_tree_view_row_expanded(GTK_TREE_VIEW(treeview), path)) {
 692                                 gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), path, FALSE);
 693                         } else {
 694                                 gtk_tree_path_down(path);
 695                                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), path, NULL, FALSE);
 696                         }
 697                         return TRUE;
 698                         break;
 699         }
 700
 701         gtk_tree_path_free(path);
 702
 703         return FALSE;
 704 }
 705
 706 static gint foldersel_folder_name_compare(GtkTreeModel *model, GtkTreeIter *a,
 707                                           GtkTreeIter *b, gpointer context)
 708 {
 709         gchar *str_a = NULL, *str_b = NULL;
 710         gint val = 0;
 711         FolderItem *item_a = NULL, *item_b = NULL;
 712         GtkTreeIter parent;
 713
 714         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERITEM, &item_a, -1);
 715         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERITEM, &item_b, -1);
 716
 717         /* no sort for root folder */
 718         if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(model), &parent, a))
 719                 return 0;
 720
 721         /* if both a and b are special folders, sort them according to
 722          * their types (which is in-order). Note that this assumes that
 723          * there are no multiple folders of a special type. */
 724         if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
 725                 return item_a->stype - item_b->stype;
 726
 727         /* if b is normal folder, and a is not, b is smaller (ends up
 728          * lower in the list) */
 729         if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
 730                 return item_b->stype - item_a->stype;
 731
 732         /* if b is special folder, and a is not, b is larger (ends up
 733          * higher in the list) */
 734         if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
 735                 return item_b->stype - item_a->stype;
 736
 737         /* XXX g_utf8_collate_key() comparisons may speed things
 738          * up when having large lists of folders */
 739         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERNAME, &str_a, -1);
 740         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERNAME, &str_b, -1);
 741
 742         /* otherwise just compare the folder names */
 743         val = g_utf8_collate(str_a, str_b);
 744
 745         g_free(str_a);
 746         g_free(str_b);
 747
 748         return val;
 749 }
 750
 751 static gboolean tree_view_folder_item_func(GtkTreeModel *model,
 752                                            GtkTreePath *path,
 753                                            GtkTreeIter *iter,
 754                                            FolderItemSearch *data)
 755 {
 756         FolderItem *item = NULL;
 757
 758         gtk_tree_model_get(model, iter, FOLDERSEL_FOLDERITEM, &item, -1);
 759
 760         if (data->item == item) {
 761                 data->path = gtk_tree_path_copy(path);
 762                 data->iter = *iter;
 763                 return TRUE;
 764         }
 765
 766         return FALSE;
 767 }