src/foldersel.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2022 the Claws Mail team and Hiroyuki Yamamoto
   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 "config.h"
  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 #include "folder_item_prefs.h"
  46
  47 enum {
  48         FOLDERSEL_FOLDERNAME,
  49         FOLDERSEL_FOLDERITEM,
  50         FOLDERSEL_PIXBUF,
  51         FOLDERSEL_PIXBUF_OPEN,
  52         FOLDERSEL_FOREGROUND,
  53         FOLDERSEL_BOLD,
  54         N_FOLDERSEL_COLUMNS
  55 };
  56
  57 typedef struct _FolderItemSearch        FolderItemSearch;
  58
  59 struct _FolderItemSearch
  60 {
  61         FolderItem *item;
  62         GtkTreePath *path;
  63         GtkTreeIter iter;
  64 };
  65
  66 static GdkPixbuf *folder_pixbuf = NULL;
  67 static GdkPixbuf *folderopen_pixbuf = NULL;
  68 static GdkPixbuf *foldernoselect_pixbuf = NULL;
  69 static GdkPixbuf *foldernoselectopen_pixbuf = NULL;
  70
  71 static GtkWidget *window;
  72 static GtkWidget *treeview;
  73 static GtkWidget *statusbar;
  74 static gint statusbar_cid;
  75 static GtkWidget *ok_button;
  76 static GtkWidget *cancel_button;
  77 static GtkWidget *new_button;
  78 static gboolean   root_selectable;
  79
  80 static FolderItem *folder_item;
  81 static FolderItem *selected_item;
  82
  83 static GtkTreeStore *tree_store;
  84
  85 static gboolean cancelled;
  86 static gboolean finished;
  87
  88 static void foldersel_create            (const gchar *title);
  89 static void foldersel_init              (void);
  90
  91 static void foldersel_append_item       (GtkTreeStore   *store,
  92                                          FolderItem     *item,
  93                                          GtkTreeIter    *iter,
  94                                          GtkTreeIter    *parent);
  95
  96 static void foldersel_set_tree          (Folder                 *cur_folder,
  97                                          FolderSelectionType     type);
  98
  99 static gboolean foldersel_selected      (GtkTreeSelection *selection,
 100                                          GtkTreeModel     *model,
 101                                          GtkTreePath      *path,
 102                                          gboolean          currently_selected,
 103                                          gpointer          data);
 104
 105 static void foldersel_ok                (GtkButton      *button,
 106                                          gpointer        data);
 107 static void foldersel_cancel            (GtkButton      *button,
 108                                          gpointer        data);
 109 static void foldersel_new_folder        (GtkButton      *button,
 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)
 219                 return FALSE;
 220
 221         if (!key)
 222                 retval = FALSE;
 223         else
 224                 retval = (strcasestr(store_string, key) == NULL);
 225
 226         g_free(store_string);
 227
 228         return retval;
 229 }
 230
 231 static void foldersel_size_allocate_cb(GtkWidget *widget,
 232                                          GtkAllocation *allocation)
 233 {
 234         cm_return_if_fail(allocation != NULL);
 235
 236         gtk_window_get_size(GTK_WINDOW(widget),
 237                 &prefs_common.folderselwin_width, &prefs_common.folderselwin_height);
 238 }
 239
 240 static void foldersel_create(const gchar *title)
 241 {
 242         GtkWidget *vbox;
 243         GtkWidget *scrolledwin;
 244         GtkWidget *confirm_area;
 245         GtkWidget *label;
 246         GtkTreeViewColumn *column;
 247         GtkCellRenderer *renderer;
 248         GtkTreeSelection *selection;
 249         static GdkGeometry geometry;
 250
 251         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "foldersel");
 252         gtk_window_set_title(GTK_WINDOW(window),_("Select folder"));
 253         gtk_container_set_border_width(GTK_CONTAINER(window), 4);
 254         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 255         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 256         gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
 257
 258         gtk_widget_realize(window);
 259         g_signal_connect(G_OBJECT(window), "delete_event",
 260                          G_CALLBACK(delete_event), NULL);
 261         g_signal_connect(G_OBJECT(window), "key_press_event",
 262                          G_CALLBACK(key_pressed), NULL);
 263         g_signal_connect(G_OBJECT(window), "size_allocate",
 264                          G_CALLBACK(foldersel_size_allocate_cb), NULL);
 265         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 266
 267         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
 268         gtk_container_add(GTK_CONTAINER(window), vbox);
 269
 270         if (title != NULL) {
 271                 label = gtk_label_new(title);
 272                 gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
 273                 gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
 274         }
 275
 276         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 277         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 278                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 279         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 280                                             GTK_SHADOW_IN);
 281         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 282
 283         tree_store = gtk_tree_store_new(N_FOLDERSEL_COLUMNS,
 284                                         G_TYPE_STRING,
 285                                         G_TYPE_POINTER,
 286                                         GDK_TYPE_PIXBUF,
 287                                         GDK_TYPE_PIXBUF,
 288                                         GDK_TYPE_RGBA,
 289                                         G_TYPE_INT);
 290         gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(tree_store),
 291                                         FOLDERSEL_FOLDERNAME,
 292                                         foldersel_folder_name_compare,
 293                                         NULL, NULL);
 294
 295         treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
 296         g_object_unref(G_OBJECT(tree_store));
 297         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
 298         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(treeview),
 299                                      prefs_common.use_stripes_everywhere);
 300         gtk_tree_view_set_enable_tree_lines(GTK_TREE_VIEW(treeview), FALSE);
 301         gtk_tree_view_set_search_column(GTK_TREE_VIEW(treeview),
 302                                         FOLDERSEL_FOLDERNAME);
 303         if (prefs_common.folder_search_wildcard)
 304                 gtk_tree_view_set_search_equal_func(GTK_TREE_VIEW(treeview),
 305                                 foldersel_search_name_func, NULL, NULL);
 306
 307         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
 308         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 309         gtk_tree_selection_set_select_function(selection, foldersel_selected,
 310                                                NULL, NULL);
 311
 312         g_signal_connect(G_OBJECT(treeview), "row-activated",
 313                          G_CALLBACK(foldersel_tree_activated), NULL);
 314         gtk_container_add(GTK_CONTAINER(scrolledwin), treeview);
 315
 316         column = gtk_tree_view_column_new();
 317         gtk_tree_view_column_set_spacing(column, 2);
 318         renderer = gtk_cell_renderer_pixbuf_new();
 319         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 320         gtk_tree_view_column_set_attributes
 321                 (column, renderer,
 322                  "pixbuf", FOLDERSEL_PIXBUF,
 323                  "pixbuf-expander-open", FOLDERSEL_PIXBUF_OPEN,
 324                  "pixbuf-expander-closed", FOLDERSEL_PIXBUF,
 325                  NULL);
 326
 327         /* create text renderer */
 328         renderer = gtk_cell_renderer_text_new();
 329         gtk_cell_renderer_set_padding(renderer, 0, 0);
 330         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 331         gtk_tree_view_column_set_attributes
 332                 (column, renderer,
 333                  "text", FOLDERSEL_FOLDERNAME,
 334                  "foreground-rgba", FOLDERSEL_FOREGROUND,
 335                  "weight", FOLDERSEL_BOLD,
 336                  NULL);
 337         g_object_set(G_OBJECT(renderer), "weight", PANGO_WEIGHT_BOLD, NULL);
 338         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 339
 340         gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
 341
 342         statusbar = gtk_statusbar_new();
 343         statusbar_cid = gtk_statusbar_get_context_id(
 344                         GTK_STATUSBAR(statusbar), "Select Folder Dialog" );
 345         gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
 346
 347         gtkut_stock_button_set_create(&confirm_area,
 348                                       &new_button,    NULL, _("_New"),
 349                                       &cancel_button, NULL, _("_Cancel"),
 350                                       &ok_button,     NULL, _("_OK"));
 351
 352         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 353         gtk_widget_grab_default(ok_button);
 354
 355         g_signal_connect(G_OBJECT(ok_button), "clicked",
 356                          G_CALLBACK(foldersel_ok), NULL);
 357         g_signal_connect(G_OBJECT(cancel_button), "clicked",
 358                          G_CALLBACK(foldersel_cancel), NULL);
 359         g_signal_connect(G_OBJECT(new_button), "clicked",
 360                          G_CALLBACK(foldersel_new_folder), NULL);
 361
 362         if (!geometry.min_height) {
 363                 geometry.min_width = 300;
 364                 geometry.min_height = 360;
 365         }
 366
 367         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 368                                       GDK_HINT_MIN_SIZE);
 369         gtk_window_set_default_size(GTK_WINDOW(window),
 370                                     prefs_common.folderselwin_width,
 371                                     prefs_common.folderselwin_height);
 372
 373         gtk_widget_show_all(vbox);
 374 }
 375
 376 static void foldersel_init(void)
 377 {
 378         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_CLOSE, &folder_pixbuf);
 379         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_OPEN, &folderopen_pixbuf);
 380         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_CLOSE, &foldernoselect_pixbuf);
 381         stock_pixbuf_gdk(STOCK_PIXMAP_DIR_NOSELECT_OPEN, &foldernoselectopen_pixbuf);
 382 }
 383
 384 void foldersel_reflect_prefs_pixmap_theme(void)
 385 {
 386         if (folder_pixbuf)
 387                 g_object_unref(folder_pixbuf);
 388         if (folderopen_pixbuf)
 389                 g_object_unref(folderopen_pixbuf);
 390         if (foldernoselect_pixbuf)
 391                 g_object_unref(foldernoselect_pixbuf);
 392         if (foldernoselectopen_pixbuf)
 393                 g_object_unref(foldernoselectopen_pixbuf);
 394         foldersel_init();
 395 }
 396
 397 static void foldersel_append_item(GtkTreeStore *store, FolderItem *item,
 398                                   GtkTreeIter *iter, GtkTreeIter *parent)
 399 {
 400         gchar *name, *tmpname;
 401         GdkPixbuf *pixbuf, *pixbuf_open;
 402         gboolean use_color;
 403         PangoWeight weight = PANGO_WEIGHT_NORMAL;
 404         GdkRGBA *foreground = NULL;
 405         GdkRGBA color_noselect = {COLOR_DIM, COLOR_DIM, COLOR_DIM, 1.0};
 406
 407         name = folder_item_get_name(item);
 408
 409         if (folder_has_parent_of_type(item, F_QUEUE) && item->total_msgs > 0) {
 410                 tmpname = g_strdup_printf("%s (%d)", name, item->total_msgs);
 411         } else if (item->unread_msgs > 0) {
 412                 tmpname = g_strdup_printf("%s (%d)", name, item->unread_msgs);
 413         } else
 414                 tmpname = g_strdup(name);
 415
 416         g_free(name);
 417         name = tmpname;
 418
 419         pixbuf = item->no_select ? foldernoselect_pixbuf : folder_pixbuf;
 420         pixbuf_open =
 421                 item->no_select ? foldernoselectopen_pixbuf : folderopen_pixbuf;
 422
 423         if (folder_has_parent_of_type(item, F_DRAFT) ||
 424             folder_has_parent_of_type(item, F_OUTBOX) ||
 425             folder_has_parent_of_type(item, F_TRASH)) {
 426                 use_color = FALSE;
 427         } else if (folder_has_parent_of_type(item, F_QUEUE)) {
 428                 use_color = (item->total_msgs > 0);
 429                 if (item->total_msgs > 0)
 430                         weight = PANGO_WEIGHT_BOLD;
 431         } else {
 432                 if (item->unread_msgs > 0)
 433                         weight = PANGO_WEIGHT_BOLD;
 434                 use_color = (item->new_msgs > 0);
 435         }
 436
 437         if (item->no_select)
 438                 foreground = &color_noselect;
 439         else if (use_color)
 440                 foreground = &prefs_common.color[COL_NEW];
 441
 442         /* insert this node */
 443         gtk_tree_store_append(store, iter, parent);
 444         gtk_tree_store_set(store, iter,
 445                            FOLDERSEL_FOLDERNAME, name,
 446                            FOLDERSEL_FOLDERITEM, item,
 447                            FOLDERSEL_PIXBUF, pixbuf,
 448                            FOLDERSEL_PIXBUF_OPEN, pixbuf_open,
 449                            FOLDERSEL_FOREGROUND, foreground,
 450                            FOLDERSEL_BOLD, weight,
 451                            -1);
 452
 453         g_free(name);
 454 }
 455
 456 static void foldersel_insert_gnode_in_store(GtkTreeStore *store, GNode *node,
 457                                             GtkTreeIter *parent)
 458 {
 459         FolderItem *item;
 460         GtkTreeIter child;
 461         GNode *iter;
 462
 463         cm_return_if_fail(node != NULL);
 464         cm_return_if_fail(node->data != NULL);
 465         cm_return_if_fail(store != NULL);
 466
 467         item = FOLDER_ITEM(node->data);
 468         foldersel_append_item(store, item, &child, parent);
 469
 470         /* insert its children (this node as parent) */
 471         for (iter = node->children; iter != NULL; iter = iter->next)
 472                 foldersel_insert_gnode_in_store(store, iter, &child);
 473 }
 474
 475 static void foldersel_set_tree(Folder *cur_folder, FolderSelectionType type)
 476 {
 477         Folder *folder;
 478         GList *list;
 479
 480         for (list = folder_get_list(); list != NULL; list = list->next) {
 481                 folder = FOLDER(list->data);
 482                 cm_return_if_fail(folder != NULL);
 483
 484                 if (type != FOLDER_SEL_ALL) {
 485                         if (FOLDER_TYPE(folder) == F_NEWS)
 486                                 continue;
 487                 }
 488
 489                 if (cur_folder && (cur_folder->klass != folder->klass
 490                     && g_strcmp0(cur_folder->name, folder->name) != 0))
 491                     continue;
 492
 493                 foldersel_insert_gnode_in_store(tree_store, folder->node, NULL);
 494         }
 495
 496         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(tree_store),
 497                                              FOLDERSEL_FOLDERNAME,
 498                                              GTK_SORT_ASCENDING);
 499
 500         gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
 501 }
 502
 503 #include "localfolder.h"
 504 static gboolean foldersel_selected(GtkTreeSelection *selection,
 505                                    GtkTreeModel *model, GtkTreePath *path,
 506                                    gboolean currently_selected, gpointer data)
 507 {
 508         GtkTreeIter iter;
 509         FolderItem *item = NULL;
 510
 511         if (currently_selected)
 512                 return TRUE;
 513
 514         if (!gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path))
 515                 return TRUE;
 516
 517         gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter,
 518                            FOLDERSEL_FOLDERITEM, &item, -1);
 519
 520         selected_item = item;
 521         if (selected_item && selected_item->path) {
 522                 gchar *id;
 523                 id = folder_item_get_identifier(selected_item);
 524                 gtk_statusbar_push(GTK_STATUSBAR(statusbar), statusbar_cid, id);
 525                 g_free(id);
 526         } else 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_statusbar_push(GTK_STATUSBAR(statusbar), statusbar_cid,  id);
 532                 g_free(id);
 533         } else
 534                 gtk_statusbar_push(GTK_STATUSBAR(statusbar), statusbar_cid, "");
 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_with_checkbtn(_("New folder"),
 571                 _("Input the name of new folder:"),
 572                 _("NewFolder"),
 573                 _("Inherit properties and processing rules from parent folder"),
 574                 &(prefs_common.inherit_folder_props));
 575
 576         if (!new_folder) return;
 577         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
 578
 579         p = strchr(new_folder, G_DIR_SEPARATOR);
 580         if ((p && FOLDER_TYPE(selected_item->folder) != F_IMAP) ||
 581             (p && FOLDER_TYPE(selected_item->folder) == F_IMAP &&
 582              *(p + 1) != '\0')) {
 583                 alertpanel_error(_("'%c' can't be included in folder name."),
 584                                 G_DIR_SEPARATOR);
 585                 return;
 586         }
 587
 588         if (FOLDER_TYPE(selected_item->folder) != F_IMAP &&
 589                         FOLDER_TYPE(selected_item->folder) != F_NEWS &&
 590                         !folder_local_name_ok(new_folder))
 591                 return;
 592
 593         disp_name = trim_string(new_folder, 32);
 594         AUTORELEASE_STR(disp_name, {g_free(disp_name); return;});
 595
 596         /* find whether the directory already exists */
 597         if (folder_find_child_item_by_name(selected_item, new_folder)) {
 598                 alertpanel_error(_("The folder '%s' already exists."),
 599                                  disp_name);
 600                 return;
 601         }
 602
 603         new_item = folder_create_folder(selected_item, new_folder);
 604         if (!new_item) {
 605                 alertpanel_error(_("Can't create the folder '%s'."), disp_name);
 606                 return;
 607         }
 608
 609         if (prefs_common.inherit_folder_props) {
 610                 folder_item_prefs_copy_prefs(selected_item, new_item);
 611         }
 612
 613         /* add new child */
 614         foldersel_append_item(store, new_item, &new_child, &selected);
 615
 616         selected_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &selected);
 617         new_child_p = gtk_tree_model_get_path(GTK_TREE_MODEL(store),
 618                                               &new_child);
 619
 620         gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), selected_p, FALSE);
 621         gtk_tree_selection_select_iter(selection, &new_child);
 622         gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(treeview), new_child_p,
 623                                      NULL, TRUE, 0.5, 0.0);
 624         gtk_tree_path_free(new_child_p);
 625         gtk_tree_path_free(selected_p);
 626
 627         folder_write_list();
 628 }
 629
 630 static void foldersel_tree_activated(GtkTreeView *treeview, GtkTreePath *path,
 631                                      GtkTreeViewColumn *column, gpointer data)
 632 {
 633         gtk_button_clicked(GTK_BUTTON(ok_button));
 634 }
 635
 636 static gint delete_event(GtkWidget *widget, GdkEventAny *event, gpointer data)
 637 {
 638         foldersel_cancel(NULL, NULL);
 639         return TRUE;
 640 }
 641
 642 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 643 {
 644         if (!event)
 645                 return FALSE;
 646
 647         if (event->keyval == GDK_KEY_Escape) {
 648                 foldersel_cancel(NULL, NULL);
 649                 return TRUE;
 650         }
 651
 652         GtkTreePath *path = NULL;
 653         gtk_tree_view_get_cursor(GTK_TREE_VIEW(treeview), &path, NULL);
 654         if (path == NULL)
 655                 return FALSE;
 656
 657         switch (event->keyval) {
 658                 case GDK_KEY_Left:
 659                         if (gtk_tree_view_row_expanded(GTK_TREE_VIEW(treeview), path)) {
 660                                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(treeview), path);
 661                         } else {
 662                                 gtk_tree_path_up(path);
 663                                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), path, NULL, FALSE);
 664                         }
 665                         return TRUE;
 666                         break;
 667                 case GDK_KEY_Right:
 668                         if (!gtk_tree_view_row_expanded(GTK_TREE_VIEW(treeview), path)) {
 669                                 gtk_tree_view_expand_row(GTK_TREE_VIEW(treeview), path, FALSE);
 670                         } else {
 671                                 gtk_tree_path_down(path);
 672                                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), path, NULL, FALSE);
 673                         }
 674                         return TRUE;
 675                         break;
 676         }
 677
 678         gtk_tree_path_free(path);
 679
 680         return FALSE;
 681 }
 682
 683 static gint foldersel_folder_name_compare(GtkTreeModel *model, GtkTreeIter *a,
 684                                           GtkTreeIter *b, gpointer context)
 685 {
 686         gchar *str_a = NULL, *str_b = NULL;
 687         gint val = 0;
 688         FolderItem *item_a = NULL, *item_b = NULL;
 689         GtkTreeIter parent;
 690
 691         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERITEM, &item_a, -1);
 692         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERITEM, &item_b, -1);
 693
 694         /* no sort for root folder */
 695         if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(model), &parent, a))
 696                 return 0;
 697
 698         /* if both a and b are special folders, sort them according to
 699          * their types (which is in-order). Note that this assumes that
 700          * there are no multiple folders of a special type. */
 701         if (item_a->stype != F_NORMAL && item_b->stype != F_NORMAL)
 702                 return item_a->stype - item_b->stype;
 703
 704         /* if b is normal folder, and a is not, b is smaller (ends up
 705          * lower in the list) */
 706         if (item_a->stype != F_NORMAL && item_b->stype == F_NORMAL)
 707                 return item_b->stype - item_a->stype;
 708
 709         /* if b is special folder, and a is not, b is larger (ends up
 710          * higher in the list) */
 711         if (item_a->stype == F_NORMAL && item_b->stype != F_NORMAL)
 712                 return item_b->stype - item_a->stype;
 713
 714         /* XXX g_utf8_collate_key() comparisons may speed things
 715          * up when having large lists of folders */
 716         gtk_tree_model_get(model, a, FOLDERSEL_FOLDERNAME, &str_a, -1);
 717         gtk_tree_model_get(model, b, FOLDERSEL_FOLDERNAME, &str_b, -1);
 718
 719         /* otherwise just compare the folder names */
 720         val = g_utf8_collate(str_a, str_b);
 721
 722         g_free(str_a);
 723         g_free(str_b);
 724
 725         return val;
 726 }
 727
 728 static gboolean tree_view_folder_item_func(GtkTreeModel *model,
 729                                            GtkTreePath *path,
 730                                            GtkTreeIter *iter,
 731                                            FolderItemSearch *data)
 732 {
 733         FolderItem *item = NULL;
 734
 735         gtk_tree_model_get(model, iter, FOLDERSEL_FOLDERITEM, &item, -1);
 736
 737         if (data->item == item) {
 738                 data->path = gtk_tree_path_copy(path);
 739                 data->iter = *iter;
 740                 return TRUE;
 741         }
 742
 743         return FALSE;
 744 }