Pileus Git - ~andy/gtk/blob - gtk/gtkfilechooserentry.c

   1 /* GTK - The GIMP Toolkit
   2  * gtkfilechooserentry.c: Entry with filename completion
   3  * Copyright (C) 2003, Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library 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 GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include <config.h>
  22 #include <string.h>
  23
  24 #include "gtkcelllayout.h"
  25 #include "gtkcellrenderertext.h"
  26 #include "gtkentry.h"
  27 #include "gtkfilechooserentry.h"
  28 #include "gtkmain.h"
  29 #include "gtkintl.h"
  30 #include "gtkalias.h"
  31
  32 typedef struct _GtkFileChooserEntryClass GtkFileChooserEntryClass;
  33
  34 #define GTK_FILE_CHOOSER_ENTRY_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_CHOOSER_ENTRY, GtkFileChooserEntryClass))
  35 #define GTK_IS_FILE_CHOOSER_ENTRY_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_CHOOSER_ENTRY))
  36 #define GTK_FILE_CHOOSER_ENTRY_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_CHOOSER_ENTRY, GtkFileChooserEntryClass))
  37
  38 struct _GtkFileChooserEntryClass
  39 {
  40   GtkEntryClass parent_class;
  41 };
  42
  43 /* Action to take when the current folder finishes loading (for explicit or automatic completion) */
  44 typedef enum {
  45   LOAD_COMPLETE_NOTHING,
  46   LOAD_COMPLETE_AUTOCOMPLETE,
  47   LOAD_COMPLETE_INSERT_PREFIX
  48 } LoadCompleteAction;
  49
  50 struct _GtkFileChooserEntry
  51 {
  52   GtkEntry parent_instance;
  53
  54   GtkFileChooserAction action;
  55
  56   GtkFileSystem *file_system;
  57   GtkFilePath *base_folder;
  58   gchar *file_part;
  59   gint file_part_pos;
  60   guint check_completion_idle;
  61
  62   /* Folder being loaded or already loaded */
  63   GtkFilePath *current_folder_path;
  64   GtkFileFolder *current_folder;
  65   GtkFileSystemHandle *load_folder_handle;
  66
  67   LoadCompleteAction load_complete_action;
  68
  69   GtkListStore *completion_store;
  70
  71   guint start_autocompletion_idle_id;
  72
  73   guint has_completion : 1;
  74   guint in_change      : 1;
  75   guint eat_tabs       : 1;
  76 };
  77
  78 enum
  79 {
  80   DISPLAY_NAME_COLUMN,
  81   PATH_COLUMN,
  82   N_COLUMNS
  83 };
  84
  85 static void     gtk_file_chooser_entry_iface_init     (GtkEditableClass *iface);
  86
  87 static void     gtk_file_chooser_entry_finalize       (GObject          *object);
  88 static void     gtk_file_chooser_entry_dispose        (GObject          *object);
  89 static void     gtk_file_chooser_entry_grab_focus     (GtkWidget        *widget);
  90 static gboolean gtk_file_chooser_entry_focus          (GtkWidget        *widget,
  91                                                        GtkDirectionType  direction);
  92 static void     gtk_file_chooser_entry_activate       (GtkEntry         *entry);
  93 static void     gtk_file_chooser_entry_changed        (GtkEditable      *editable);
  94 static void     gtk_file_chooser_entry_do_insert_text (GtkEditable *editable,
  95                                                        const gchar *new_text,
  96                                                        gint         new_text_length,
  97                                                        gint        *position);
  98
  99 static void     clear_completion_callback (GtkFileChooserEntry *chooser_entry,
 100                                            GParamSpec          *pspec);
 101
 102 #ifdef G_OS_WIN32
 103 static gint     insert_text_callback      (GtkFileChooserEntry *widget,
 104                                            const gchar         *new_text,
 105                                            gint                 new_text_length,
 106                                            gint                *position,
 107                                            gpointer             user_data);
 108 static void     delete_text_callback      (GtkFileChooserEntry *widget,
 109                                            gint                 start_pos,
 110                                            gint                 end_pos,
 111                                            gpointer             user_data);
 112 #endif
 113
 114 static gboolean match_selected_callback   (GtkEntryCompletion  *completion,
 115                                            GtkTreeModel        *model,
 116                                            GtkTreeIter         *iter,
 117                                            GtkFileChooserEntry *chooser_entry);
 118 static gboolean completion_match_func     (GtkEntryCompletion  *comp,
 119                                            const char          *key,
 120                                            GtkTreeIter         *iter,
 121                                            gpointer             data);
 122 static void     files_added_cb            (GtkFileSystem       *file_system,
 123                                            GSList              *added_uris,
 124                                            GtkFileChooserEntry *chooser_entry);
 125 static void     files_deleted_cb          (GtkFileSystem       *file_system,
 126                                            GSList              *deleted_uris,
 127                                            GtkFileChooserEntry *chooser_entry);
 128 static char    *maybe_append_separator_to_path (GtkFileChooserEntry *chooser_entry,
 129                                                 GtkFilePath         *path,
 130                                                 gchar               *display_name);
 131
 132 static GtkEditableClass *parent_editable_iface;
 133
 134 G_DEFINE_TYPE_WITH_CODE (GtkFileChooserEntry, _gtk_file_chooser_entry, GTK_TYPE_ENTRY,
 135                          G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE,
 136                                                 gtk_file_chooser_entry_iface_init))
 137
 138 static void
 139 _gtk_file_chooser_entry_class_init (GtkFileChooserEntryClass *class)
 140 {
 141   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 142   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
 143   GtkEntryClass *entry_class = GTK_ENTRY_CLASS (class);
 144
 145   gobject_class->finalize = gtk_file_chooser_entry_finalize;
 146   gobject_class->dispose = gtk_file_chooser_entry_dispose;
 147
 148   widget_class->grab_focus = gtk_file_chooser_entry_grab_focus;
 149   widget_class->focus = gtk_file_chooser_entry_focus;
 150
 151   entry_class->activate = gtk_file_chooser_entry_activate;
 152 }
 153
 154 static void
 155 gtk_file_chooser_entry_iface_init (GtkEditableClass *iface)
 156 {
 157   parent_editable_iface = g_type_interface_peek_parent (iface);
 158
 159   iface->do_insert_text = gtk_file_chooser_entry_do_insert_text;
 160   iface->changed = gtk_file_chooser_entry_changed;
 161 }
 162
 163 static void
 164 _gtk_file_chooser_entry_init (GtkFileChooserEntry *chooser_entry)
 165 {
 166   GtkEntryCompletion *comp;
 167   GtkCellRenderer *cell;
 168
 169   g_object_set (chooser_entry, "truncate-multiline", TRUE, NULL);
 170
 171   comp = gtk_entry_completion_new ();
 172   gtk_entry_completion_set_popup_single_match (comp, FALSE);
 173
 174   gtk_entry_completion_set_match_func (comp,
 175                                        completion_match_func,
 176                                        chooser_entry,
 177                                        NULL);
 178
 179   cell = gtk_cell_renderer_text_new ();
 180   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (comp),
 181                               cell, TRUE);
 182   gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (comp),
 183                                  cell,
 184                                  "text", 0);
 185
 186   g_signal_connect (comp, "match_selected",
 187                     G_CALLBACK (match_selected_callback), chooser_entry);
 188
 189   gtk_entry_set_completion (GTK_ENTRY (chooser_entry), comp);
 190   g_object_unref (comp);
 191
 192   g_signal_connect (chooser_entry, "notify::cursor-position",
 193                     G_CALLBACK (clear_completion_callback), NULL);
 194   g_signal_connect (chooser_entry, "notify::selection-bound",
 195                     G_CALLBACK (clear_completion_callback), NULL);
 196
 197 #ifdef G_OS_WIN32
 198   g_signal_connect (chooser_entry, "insert_text",
 199                     G_CALLBACK (insert_text_callback), NULL);
 200   g_signal_connect (chooser_entry, "delete_text",
 201                     G_CALLBACK (delete_text_callback), NULL);
 202 #endif
 203 }
 204
 205 static void
 206 gtk_file_chooser_entry_finalize (GObject *object)
 207 {
 208   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (object);
 209
 210   gtk_file_path_free (chooser_entry->base_folder);
 211   gtk_file_path_free (chooser_entry->current_folder_path);
 212   g_free (chooser_entry->file_part);
 213
 214   G_OBJECT_CLASS (_gtk_file_chooser_entry_parent_class)->finalize (object);
 215 }
 216
 217 static void
 218 gtk_file_chooser_entry_dispose (GObject *object)
 219 {
 220   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (object);
 221
 222   if (chooser_entry->start_autocompletion_idle_id != 0)
 223     {
 224       g_source_remove (chooser_entry->start_autocompletion_idle_id);
 225       chooser_entry->start_autocompletion_idle_id = 0;
 226     }
 227
 228   if (chooser_entry->completion_store)
 229     {
 230       g_object_unref (chooser_entry->completion_store);
 231       chooser_entry->completion_store = NULL;
 232     }
 233
 234   if (chooser_entry->load_folder_handle)
 235     {
 236       gtk_file_system_cancel_operation (chooser_entry->load_folder_handle);
 237       chooser_entry->load_folder_handle = NULL;
 238     }
 239
 240   if (chooser_entry->current_folder)
 241     {
 242       g_signal_handlers_disconnect_by_func (chooser_entry->current_folder,
 243                                             G_CALLBACK (files_added_cb), chooser_entry);
 244       g_signal_handlers_disconnect_by_func (chooser_entry->current_folder,
 245                                             G_CALLBACK (files_deleted_cb), chooser_entry);
 246       g_object_unref (chooser_entry->current_folder);
 247       chooser_entry->current_folder = NULL;
 248     }
 249
 250   if (chooser_entry->file_system)
 251     {
 252       g_object_unref (chooser_entry->file_system);
 253       chooser_entry->file_system = NULL;
 254     }
 255
 256   if (chooser_entry->check_completion_idle)
 257     {
 258       g_source_remove (chooser_entry->check_completion_idle);
 259       chooser_entry->check_completion_idle = 0;
 260     }
 261
 262   G_OBJECT_CLASS (_gtk_file_chooser_entry_parent_class)->dispose (object);
 263 }
 264
 265 /* Match functions for the GtkEntryCompletion */
 266 static gboolean
 267 match_selected_callback (GtkEntryCompletion  *completion,
 268                          GtkTreeModel        *model,
 269                          GtkTreeIter         *iter,
 270                          GtkFileChooserEntry *chooser_entry)
 271 {
 272   char *display_name;
 273   GtkFilePath *path;
 274   gint pos;
 275
 276   gtk_tree_model_get (model, iter,
 277                       DISPLAY_NAME_COLUMN, &display_name,
 278                       PATH_COLUMN, &path,
 279                       -1);
 280
 281   if (!display_name || !path)
 282     {
 283       /* these shouldn't complain if passed NULL */
 284       gtk_file_path_free (path);
 285       g_free (display_name);
 286       return FALSE;
 287     }
 288
 289   display_name = maybe_append_separator_to_path (chooser_entry, path, display_name);
 290
 291   pos = chooser_entry->file_part_pos;
 292
 293   /* We don't set in_change here as we want to update the current_folder
 294    * variable */
 295   gtk_editable_delete_text (GTK_EDITABLE (chooser_entry),
 296                             pos, -1);
 297   gtk_editable_insert_text (GTK_EDITABLE (chooser_entry),
 298                             display_name, -1,
 299                             &pos);
 300   gtk_editable_set_position (GTK_EDITABLE (chooser_entry), -1);
 301
 302   gtk_file_path_free (path);
 303   g_free (display_name);
 304
 305   return TRUE;
 306 }
 307
 308 /* Match function for the GtkEntryCompletion */
 309 static gboolean
 310 completion_match_func (GtkEntryCompletion *comp,
 311                        const char         *key_unused,
 312                        GtkTreeIter        *iter,
 313                        gpointer            data)
 314 {
 315   GtkFileChooserEntry *chooser_entry;
 316   char *name;
 317   gboolean result;
 318   char *norm_file_part;
 319   char *norm_name;
 320
 321   chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
 322
 323   /* We ignore the key because it is the contents of the entry.  Instead, we
 324    * just use our precomputed file_part.
 325    */
 326   if (!chooser_entry->file_part)
 327     {
 328       return FALSE;
 329     }
 330
 331   gtk_tree_model_get (GTK_TREE_MODEL (chooser_entry->completion_store), iter, DISPLAY_NAME_COLUMN, &name, -1);
 332   if (!name)
 333     {
 334       return FALSE; /* Uninitialized row, ugh */
 335     }
 336
 337   /* If we have an empty file_part, then we're at the root of a directory.  In
 338    * that case, we want to match all non-dot files.  We might want to match
 339    * dot_files too if show_hidden is TRUE on the fileselector in the future.
 340    */
 341   /* Additionally, support for gnome .hidden files would be sweet, too */
 342   if (chooser_entry->file_part[0] == '\000')
 343     {
 344       if (name[0] == '.')
 345         result = FALSE;
 346       else
 347         result = TRUE;
 348       g_free (name);
 349
 350       return result;
 351     }
 352
 353
 354   norm_file_part = g_utf8_normalize (chooser_entry->file_part, -1, G_NORMALIZE_ALL);
 355   norm_name = g_utf8_normalize (name, -1, G_NORMALIZE_ALL);
 356
 357 #ifdef G_PLATFORM_WIN32
 358   {
 359     gchar *temp;
 360
 361     temp = norm_file_part;
 362     norm_file_part = g_utf8_casefold (norm_file_part, -1);
 363     g_free (temp);
 364
 365     temp = norm_name;
 366     norm_name = g_utf8_casefold (norm_name, -1);
 367     g_free (temp);
 368   }
 369 #endif
 370
 371   result = (strncmp (norm_file_part, norm_name, strlen (norm_file_part)) == 0);
 372
 373   g_free (norm_file_part);
 374   g_free (norm_name);
 375   g_free (name);
 376
 377   return result;
 378 }
 379
 380 /* This function will append a directory separator to paths to
 381  * display_name iff the path associated with it is a directory.
 382  * maybe_append_separator_to_path will g_free the display_name and
 383  * return a new one if needed.  Otherwise, it will return the old one.
 384  * You should be safe calling
 385  *
 386  * display_name = maybe_append_separator_to_path (entry, path, display_name);
 387  * ...
 388  * g_free (display_name);
 389  */
 390 static char *
 391 maybe_append_separator_to_path (GtkFileChooserEntry *chooser_entry,
 392                                 GtkFilePath         *path,
 393                                 gchar               *display_name)
 394 {
 395   if (!g_str_has_suffix (display_name, G_DIR_SEPARATOR_S) && path)
 396     {
 397       GtkFileInfo *info;
 398
 399       info = gtk_file_folder_get_info (chooser_entry->current_folder,
 400                                        path, NULL); /* NULL-GError */
 401
 402       if (info)
 403         {
 404           if (gtk_file_info_get_is_folder (info))
 405             {
 406               gchar *tmp = display_name;
 407               display_name = g_strconcat (tmp, G_DIR_SEPARATOR_S, NULL);
 408               g_free (tmp);
 409             }
 410
 411           gtk_file_info_free (info);
 412         }
 413     }
 414
 415   return display_name;
 416 }
 417
 418 /* Determines if the completion model has entries with a common prefix relative
 419  * to the current contents of the entry.  Also, if there's one and only one such
 420  * path, stores it in unique_path_ret.
 421  */
 422 static void
 423 find_common_prefix (GtkFileChooserEntry *chooser_entry,
 424                     gchar               **common_prefix_ret,
 425                     GtkFilePath         **unique_path_ret)
 426 {
 427   GtkEditable *editable;
 428   GtkTreeIter iter;
 429   gboolean parsed;
 430   gboolean valid;
 431   char *text_up_to_cursor;
 432   GtkFilePath *parsed_folder_path;
 433   char *parsed_file_part;
 434
 435   *common_prefix_ret = NULL;
 436   *unique_path_ret = NULL;
 437
 438   if (chooser_entry->completion_store == NULL)
 439     return;
 440
 441   editable = GTK_EDITABLE (chooser_entry);
 442
 443   text_up_to_cursor = gtk_editable_get_chars (editable, 0, gtk_editable_get_position (editable));
 444
 445   parsed = gtk_file_system_parse (chooser_entry->file_system,
 446                                   chooser_entry->base_folder,
 447                                   text_up_to_cursor,
 448                                   &parsed_folder_path,
 449                                   &parsed_file_part,
 450                                   NULL); /* NULL-GError */
 451
 452   g_free (text_up_to_cursor);
 453
 454   if (!parsed)
 455     return;
 456
 457   valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (chooser_entry->completion_store), &iter);
 458
 459   while (valid)
 460     {
 461       gchar *display_name;
 462       GtkFilePath *path;
 463
 464       gtk_tree_model_get (GTK_TREE_MODEL (chooser_entry->completion_store),
 465                           &iter,
 466                           DISPLAY_NAME_COLUMN, &display_name,
 467                           PATH_COLUMN, &path,
 468                           -1);
 469
 470       if (g_str_has_prefix (display_name, parsed_file_part))
 471         {
 472           if (!*common_prefix_ret)
 473             {
 474               *common_prefix_ret = g_strdup (display_name);
 475               *unique_path_ret = gtk_file_path_copy (path);
 476             }
 477           else
 478             {
 479               gchar *p = *common_prefix_ret;
 480               const gchar *q = display_name;
 481
 482               while (*p && *p == *q)
 483                 {
 484                   p++;
 485                   q++;
 486                 }
 487
 488               *p = '\0';
 489
 490               gtk_file_path_free (*unique_path_ret);
 491               *unique_path_ret = NULL;
 492             }
 493         }
 494
 495       g_free (display_name);
 496       gtk_file_path_free (path);
 497       valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (chooser_entry->completion_store), &iter);
 498     }
 499
 500   gtk_file_path_free (parsed_folder_path);
 501   g_free (parsed_file_part);
 502 }
 503
 504 /* Finds a common prefix based on the contents of the entry and mandatorily appends it */
 505 static void
 506 append_common_prefix (GtkFileChooserEntry *chooser_entry,
 507                       gboolean             highlight)
 508 {
 509   gchar *common_prefix;
 510   GtkFilePath *unique_path;
 511
 512   find_common_prefix (chooser_entry, &common_prefix, &unique_path);
 513
 514   if (unique_path)
 515     {
 516       common_prefix = maybe_append_separator_to_path (chooser_entry,
 517                                                       unique_path,
 518                                                       common_prefix);
 519       gtk_file_path_free (unique_path);
 520     }
 521
 522   printf ("common prefix: \"%s\"\n",
 523           common_prefix ? common_prefix : "<NONE>");
 524
 525   if (common_prefix)
 526     {
 527       gint cursor_pos;
 528       gint common_prefix_len;
 529       gint pos;
 530
 531       cursor_pos = gtk_editable_get_position (GTK_EDITABLE (chooser_entry));
 532       common_prefix_len = g_utf8_strlen (common_prefix, -1);
 533
 534       pos = chooser_entry->file_part_pos;
 535
 536       chooser_entry->in_change = TRUE;
 537       printf ("Deleting range (%d, %d)\n", pos, cursor_pos);
 538       gtk_editable_delete_text (GTK_EDITABLE (chooser_entry),
 539                                 pos, cursor_pos);
 540       printf ("Inserting common prefix at %d\n", pos);
 541       gtk_editable_insert_text (GTK_EDITABLE (chooser_entry),
 542                                 common_prefix, -1,
 543                                 &pos);
 544       chooser_entry->in_change = FALSE;
 545
 546       if (highlight)
 547         {
 548           printf ("Selecting range (%d, %d)\n", cursor_pos, pos);
 549           gtk_editable_select_region (GTK_EDITABLE (chooser_entry),
 550                                       cursor_pos,
 551                                       pos); /* cursor_pos + common_prefix_len); */
 552           chooser_entry->has_completion = TRUE;
 553         }
 554       else
 555         gtk_editable_set_position (GTK_EDITABLE (chooser_entry), pos);
 556
 557       g_free (common_prefix);
 558     }
 559 }
 560
 561 static gboolean
 562 check_completion_callback (GtkFileChooserEntry *chooser_entry)
 563 {
 564   GDK_THREADS_ENTER ();
 565
 566   g_assert (chooser_entry->file_part);
 567
 568   chooser_entry->check_completion_idle = 0;
 569
 570   if (strcmp (chooser_entry->file_part, "") == 0)
 571     goto done;
 572
 573   /* We only insert the common prefix without requiring the user to hit Tab in
 574    * the "open" modes.  For "save" modes, the user must hit Tab to cause the prefix
 575    * to be inserted.  That happens in gtk_file_chooser_entry_focus().
 576    */
 577   if ((chooser_entry->action == GTK_FILE_CHOOSER_ACTION_OPEN
 578        || chooser_entry->action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER)
 579       && gtk_editable_get_position (GTK_EDITABLE (chooser_entry)) == GTK_ENTRY (chooser_entry)->text_length)
 580     append_common_prefix (chooser_entry, TRUE);
 581
 582  done:
 583
 584   GDK_THREADS_LEAVE ();
 585
 586   return FALSE;
 587 }
 588
 589 static guint
 590 idle_add (GtkFileChooserEntry *chooser_entry,
 591           GCallback            cb)
 592 {
 593   GSource *source;
 594   guint id;
 595
 596   source = g_idle_source_new ();
 597   g_source_set_priority (source, G_PRIORITY_HIGH);
 598   g_source_set_closure (source,
 599                         g_cclosure_new_object (cb, G_OBJECT (chooser_entry)));
 600   id = g_source_attach (source, NULL);
 601   g_source_unref (source);
 602
 603   return id;
 604 }
 605
 606 static void
 607 add_completion_idle (GtkFileChooserEntry *chooser_entry)
 608 {
 609   /* idle to update the selection based on the file list */
 610   if (chooser_entry->check_completion_idle == 0)
 611     chooser_entry->check_completion_idle =
 612       idle_add (chooser_entry, G_CALLBACK (check_completion_callback));
 613 }
 614
 615
 616 static void
 617 update_current_folder_files (GtkFileChooserEntry *chooser_entry,
 618                              GSList              *added_uris)
 619 {
 620   GSList *tmp_list;
 621
 622   g_assert (chooser_entry->completion_store != NULL);
 623
 624   /* Bah.  Need to turn off sorting */
 625   for (tmp_list = added_uris; tmp_list; tmp_list = tmp_list->next)
 626     {
 627       GtkFileInfo *info;
 628       GtkFilePath *path;
 629
 630       path = tmp_list->data;
 631
 632       info = gtk_file_folder_get_info (chooser_entry->current_folder,
 633                                        path,
 634                                        NULL); /* NULL-GError */
 635       if (info)
 636         {
 637           gchar *display_name = g_strdup (gtk_file_info_get_display_name (info));
 638           GtkTreeIter iter;
 639
 640           display_name = maybe_append_separator_to_path (chooser_entry, path, display_name);
 641
 642           gtk_list_store_append (chooser_entry->completion_store, &iter);
 643           gtk_list_store_set (chooser_entry->completion_store, &iter,
 644                               DISPLAY_NAME_COLUMN, display_name,
 645                               PATH_COLUMN, path,
 646                               -1);
 647
 648           gtk_file_info_free (info);
 649           g_free (display_name);
 650         }
 651     }
 652
 653   /* FIXME: we want to turn off sorting temporarily.  I suck... */
 654   gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (chooser_entry->completion_store),
 655                                         DISPLAY_NAME_COLUMN, GTK_SORT_ASCENDING);
 656
 657   add_completion_idle (chooser_entry);
 658 }
 659
 660 static void
 661 files_added_cb (GtkFileSystem       *file_system,
 662                 GSList              *added_uris,
 663                 GtkFileChooserEntry *chooser_entry)
 664 {
 665   update_current_folder_files (chooser_entry, added_uris);
 666 }
 667
 668 static void
 669 files_deleted_cb (GtkFileSystem       *file_system,
 670                   GSList              *deleted_uris,
 671                   GtkFileChooserEntry *chooser_entry)
 672 {
 673   /* FIXME: gravy... */
 674 }
 675
 676 static void
 677 gtk_file_chooser_entry_do_insert_text (GtkEditable *editable,
 678                                        const gchar *new_text,
 679                                        gint         new_text_length,
 680                                        gint        *position)
 681 {
 682   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
 683
 684   parent_editable_iface->do_insert_text (editable, new_text, new_text_length, position);
 685
 686   if (! chooser_entry->in_change)
 687     add_completion_idle (GTK_FILE_CHOOSER_ENTRY (editable));
 688 }
 689
 690 static void
 691 gtk_file_chooser_entry_grab_focus (GtkWidget *widget)
 692 {
 693   GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->grab_focus (widget);
 694   _gtk_file_chooser_entry_select_filename (GTK_FILE_CHOOSER_ENTRY (widget));
 695 }
 696
 697 static gboolean
 698 gtk_file_chooser_entry_focus (GtkWidget        *widget,
 699                               GtkDirectionType  direction)
 700 {
 701   GtkFileChooserEntry *chooser_entry;
 702   GtkEditable *editable;
 703   GtkEntry *entry;
 704   GdkModifierType state;
 705   gboolean control_pressed;
 706
 707   chooser_entry = GTK_FILE_CHOOSER_ENTRY (widget);
 708   editable = GTK_EDITABLE (widget);
 709   entry = GTK_ENTRY (widget);
 710
 711   if (!chooser_entry->eat_tabs)
 712     return GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->focus (widget, direction);
 713
 714   control_pressed = FALSE;
 715
 716   if (gtk_get_current_event_state (&state))
 717     {
 718       if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
 719         control_pressed = TRUE;
 720     }
 721
 722   /* This is a bit evil -- it makes Tab never leave the entry. It basically
 723    * makes it 'safe' for people to hit. */
 724   if ((direction == GTK_DIR_TAB_FORWARD) &&
 725       (GTK_WIDGET_HAS_FOCUS (widget)) &&
 726       (! control_pressed))
 727     {
 728       gint pos = 0;
 729
 730       if (chooser_entry->has_completion)
 731         {
 732           gint sel_end;
 733
 734           if (gtk_editable_get_selection_bounds (editable, NULL, &sel_end))
 735             gtk_editable_set_position (editable, sel_end);
 736         }
 737       else
 738         append_common_prefix (chooser_entry, FALSE);
 739
 740       /* Trigger the completion window to pop up again by a
 741        * zero-length insertion, a bit of a hack.
 742        */
 743       gtk_editable_insert_text (editable, "", -1, &pos);
 744
 745       return TRUE;
 746     }
 747   else
 748     return GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->focus (widget, direction);
 749 }
 750
 751 static void
 752 gtk_file_chooser_entry_activate (GtkEntry *entry)
 753 {
 754   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (entry);
 755
 756   if (chooser_entry->has_completion)
 757     {
 758       gtk_editable_set_position (GTK_EDITABLE (entry),
 759                                  entry->text_length);
 760     }
 761
 762   GTK_ENTRY_CLASS (_gtk_file_chooser_entry_parent_class)->activate (entry);
 763 }
 764
 765 static void
 766 load_directory_get_folder_callback (GtkFileSystemHandle *handle,
 767                                     GtkFileFolder       *folder,
 768                                     const GError        *error,
 769                                     gpointer             data)
 770 {
 771   gboolean cancelled = handle->cancelled;
 772   GtkFileChooserEntry *chooser_entry = data;
 773
 774   if (handle != chooser_entry->load_folder_handle)
 775     goto out;
 776
 777   chooser_entry->load_folder_handle = NULL;
 778
 779   if (cancelled || error)
 780     goto out;
 781
 782   /* FIXME: connect to "finished-loading".  In that callback, see our
 783    * load_complete_action and do the appropriate thing.
 784    *
 785    * Do we need to populate the completion store here?  (O(n^2))
 786    * Maybe we should wait until the folder is finished loading.
 787    */
 788
 789   chooser_entry->current_folder = folder;
 790   g_signal_connect (chooser_entry->current_folder, "files-added",
 791                     G_CALLBACK (files_added_cb), chooser_entry);
 792   g_signal_connect (chooser_entry->current_folder, "files-removed",
 793                     G_CALLBACK (files_deleted_cb), chooser_entry);
 794
 795   chooser_entry->completion_store = gtk_list_store_new (N_COLUMNS,
 796                                                         G_TYPE_STRING,
 797                                                         GTK_TYPE_FILE_PATH);
 798
 799   gtk_entry_completion_set_model (gtk_entry_get_completion (GTK_ENTRY (chooser_entry)),
 800                                   GTK_TREE_MODEL (chooser_entry->completion_store));
 801
 802 out:
 803   g_object_unref (chooser_entry);
 804   g_object_unref (handle);
 805 }
 806
 807 static void
 808 load_current_folder (GtkFileChooserEntry *chooser_entry)
 809 {
 810   if (chooser_entry->current_folder_path == NULL ||
 811       chooser_entry->file_system == NULL)
 812     return;
 813
 814   g_assert (chooser_entry->current_folder == NULL);
 815   g_assert (chooser_entry->completion_store == NULL);
 816   g_assert (chooser_entry->load_folder_handle == NULL);
 817
 818   printf ("Starting async load of folder %s\n", (char *) chooser_entry->current_folder_path);
 819
 820   chooser_entry->load_folder_handle =
 821     gtk_file_system_get_folder (chooser_entry->file_system,
 822                                 chooser_entry->current_folder_path,
 823                                 GTK_FILE_INFO_DISPLAY_NAME | GTK_FILE_INFO_IS_FOLDER,
 824                                 load_directory_get_folder_callback,
 825                                 g_object_ref (chooser_entry));
 826 }
 827
 828 static void
 829 reload_current_folder (GtkFileChooserEntry *chooser_entry,
 830                        GtkFilePath         *folder_path,
 831                        gboolean             force_reload)
 832 {
 833   gboolean reload = FALSE;
 834
 835   if (chooser_entry->current_folder_path)
 836     {
 837       if ((folder_path && gtk_file_path_compare (folder_path, chooser_entry->current_folder_path) != 0)
 838           || force_reload)
 839         {
 840           reload = TRUE;
 841
 842           /* We changed our current directory.  We need to clear out the old
 843            * directory information.
 844            */
 845           if (chooser_entry->current_folder)
 846             {
 847               g_signal_handlers_disconnect_by_func (chooser_entry->current_folder,
 848                                                     G_CALLBACK (files_added_cb), chooser_entry);
 849               g_signal_handlers_disconnect_by_func (chooser_entry->current_folder,
 850                                                     G_CALLBACK (files_deleted_cb), chooser_entry);
 851
 852               if (chooser_entry->load_folder_handle)
 853                 {
 854                   printf ("Cancelling folder load\n");
 855                   gtk_file_system_cancel_operation (chooser_entry->load_folder_handle);
 856                   chooser_entry->load_folder_handle = NULL;
 857                 }
 858
 859               g_object_unref (chooser_entry->current_folder);
 860               chooser_entry->current_folder = NULL;
 861             }
 862
 863           if (chooser_entry->completion_store)
 864             {
 865               gtk_entry_completion_set_model (gtk_entry_get_completion (GTK_ENTRY (chooser_entry)), NULL);
 866               g_object_unref (chooser_entry->completion_store);
 867               chooser_entry->completion_store = NULL;
 868             }
 869
 870           gtk_file_path_free (chooser_entry->current_folder_path);
 871           chooser_entry->current_folder_path = gtk_file_path_copy (folder_path);
 872         }
 873     }
 874   else
 875     {
 876       chooser_entry->current_folder_path = gtk_file_path_copy (folder_path);
 877       reload = TRUE;
 878     }
 879
 880   if (reload)
 881     load_current_folder (chooser_entry);
 882 }
 883
 884 static void
 885 refresh_current_folder_and_file_part (GtkFileChooserEntry *chooser_entry)
 886 {
 887   GtkEditable *editable;
 888   gchar *text_up_to_cursor;
 889   GtkFilePath *folder_path;
 890   gchar *file_part;
 891   gsize total_len, file_part_len;
 892   gint file_part_pos;
 893
 894   editable = GTK_EDITABLE (chooser_entry);
 895
 896   text_up_to_cursor = gtk_editable_get_chars (editable, 0, gtk_editable_get_position (editable));
 897
 898   if (!chooser_entry->file_system ||
 899       !chooser_entry->base_folder ||
 900       !gtk_file_system_parse (chooser_entry->file_system,
 901                               chooser_entry->base_folder, text_up_to_cursor,
 902                               &folder_path, &file_part, NULL)) /* NULL-GError */
 903     {
 904       folder_path = gtk_file_path_copy (chooser_entry->base_folder);
 905       file_part = g_strdup ("");
 906       file_part_pos = -1;
 907     }
 908   else
 909     {
 910       file_part_len = strlen (file_part);
 911       total_len = strlen (text_up_to_cursor);
 912       if (total_len > file_part_len)
 913         file_part_pos = g_utf8_strlen (text_up_to_cursor, total_len - file_part_len);
 914       else
 915         file_part_pos = 0;
 916     }
 917
 918   printf ("Parsed text \"%s\", file_part=\"%s\", file_part_pos=%d, folder_path=\"%s\"\n",
 919           text_up_to_cursor,
 920           file_part,
 921           file_part_pos,
 922           folder_path ? (char *) folder_path : "(NULL)");
 923
 924   g_free (text_up_to_cursor);
 925
 926   g_free (chooser_entry->file_part);
 927
 928   chooser_entry->file_part = file_part;
 929   chooser_entry->file_part_pos = file_part_pos;
 930
 931   reload_current_folder (chooser_entry, folder_path, file_part_pos == -1);
 932   gtk_file_path_free (folder_path);
 933 }
 934
 935 static void
 936 autocomplete (GtkFileChooserEntry *chooser_entry)
 937 {
 938   g_assert (chooser_entry->current_folder != NULL);
 939   g_assert (gtk_file_folder_is_finished_loading (chooser_entry->current_folder));
 940   g_assert (gtk_editable_get_position (GTK_EDITABLE (chooser_entry)) == GTK_ENTRY (chooser_entry)->text_length);
 941
 942   printf ("Doing autocompletion since our folder is finished loading\n");
 943
 944   append_common_prefix (chooser_entry, TRUE);
 945 }
 946
 947 static void
 948 start_autocompletion (GtkFileChooserEntry *chooser_entry)
 949 {
 950   printf ("Starting autocompletion\n");
 951
 952   refresh_current_folder_and_file_part (chooser_entry);
 953
 954   if (!chooser_entry->current_folder)
 955     {
 956       /* We don't beep or anything, since this is autocompletion - the user
 957        * didn't request any action explicitly.
 958        */
 959       printf ("No current_folder; not doing autocompletion after all\n");
 960       return;
 961     }
 962
 963   if (gtk_file_folder_is_finished_loading (chooser_entry->current_folder))
 964     {
 965       printf ("File folder is finished loading; doing autocompletion immediately\n");
 966       autocomplete (chooser_entry);
 967     }
 968   else
 969     {
 970       printf ("File folder is not yet loaded; will do autocompletion later\n");
 971       chooser_entry->load_complete_action = LOAD_COMPLETE_AUTOCOMPLETE;
 972     }
 973 }
 974
 975 static gboolean
 976 start_autocompletion_idle_handler (gpointer data)
 977 {
 978   GtkFileChooserEntry *chooser_entry;
 979
 980   chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
 981
 982   if (gtk_editable_get_position (GTK_EDITABLE (chooser_entry)) == GTK_ENTRY (chooser_entry)->text_length)
 983     start_autocompletion (chooser_entry);
 984
 985   chooser_entry->start_autocompletion_idle_id = 0;
 986
 987   return FALSE;
 988 }
 989
 990 static void
 991 install_start_autocompletion_idle (GtkFileChooserEntry *chooser_entry)
 992 {
 993   /* We set up an idle handler because we must test the cursor position.  However,
 994    * the cursor is not updated in GtkEntry::changed, so we wait for the idle loop.
 995    */
 996
 997   if (chooser_entry->start_autocompletion_idle_id != 0)
 998     return;
 999
1000   chooser_entry->start_autocompletion_idle_id = g_idle_add (start_autocompletion_idle_handler, chooser_entry);
1001 }
1002
1003 static void
1004 gtk_file_chooser_entry_changed (GtkEditable *editable)
1005 {
1006   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
1007
1008   if (chooser_entry->in_change)
1009     return;
1010
1011   chooser_entry->load_complete_action = LOAD_COMPLETE_NOTHING;
1012
1013   if ((chooser_entry->action == GTK_FILE_CHOOSER_ACTION_OPEN
1014        || chooser_entry->action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER))
1015     install_start_autocompletion_idle (chooser_entry);
1016
1017   /* FIXME: see when the cursor changes (see GtkEntry's cursor_position property, or GtkEditable::set_position and GtkEntry::move_cursor).
1018    * When the cursor changes, cancel the load_complete_action.
1019    * When the entry is activated, cancel the load_complete_action.
1020    * In general, cancel the load_complete_action when the entry loses the focus.
1021    */
1022 }
1023
1024 static void
1025 clear_completion_callback (GtkFileChooserEntry *chooser_entry,
1026                            GParamSpec          *pspec)
1027 {
1028   if (chooser_entry->has_completion)
1029     {
1030       chooser_entry->has_completion = FALSE;
1031       gtk_file_chooser_entry_changed (GTK_EDITABLE (chooser_entry));
1032     }
1033 }
1034
1035 #ifdef G_OS_WIN32
1036 static gint
1037 insert_text_callback (GtkFileChooserEntry *chooser_entry,
1038                       const gchar         *new_text,
1039                       gint                 new_text_length,
1040                       gint                *position,
1041                       gpointer             user_data)
1042 {
1043   const gchar *colon = memchr (new_text, ':', new_text_length);
1044   gint i;
1045
1046   /* Disallow these characters altogether */
1047   for (i = 0; i < new_text_length; i++)
1048     {
1049       if (new_text[i] == '<' ||
1050           new_text[i] == '>' ||
1051           new_text[i] == '"' ||
1052           new_text[i] == '|' ||
1053           new_text[i] == '*' ||
1054           new_text[i] == '?')
1055         break;
1056     }
1057
1058   if (i < new_text_length ||
1059       /* Disallow entering text that would cause a colon to be anywhere except
1060        * after a drive letter.
1061        */
1062       (colon != NULL &&
1063        *position + (colon - new_text) != 1) ||
1064       (new_text_length > 0 &&
1065        *position <= 1 &&
1066        GTK_ENTRY (chooser_entry)->text_length >= 2 &&
1067        gtk_entry_get_text (GTK_ENTRY (chooser_entry))[1] == ':'))
1068     {
1069       gtk_widget_error_bell (GTK_WIDGET (chooser_entry));
1070       g_signal_stop_emission_by_name (chooser_entry, "insert_text");
1071       return FALSE;
1072     }
1073
1074   return TRUE;
1075 }
1076
1077 static void
1078 delete_text_callback (GtkFileChooserEntry *chooser_entry,
1079                       gint                 start_pos,
1080                       gint                 end_pos,
1081                       gpointer             user_data)
1082 {
1083   /* If deleting a drive letter, delete the colon, too */
1084   if (start_pos == 0 && end_pos == 1 &&
1085       GTK_ENTRY (chooser_entry)->text_length >= 2 &&
1086       gtk_entry_get_text (GTK_ENTRY (chooser_entry))[1] == ':')
1087     {
1088       g_signal_handlers_block_by_func (chooser_entry,
1089                                        G_CALLBACK (delete_text_callback),
1090                                        user_data);
1091       gtk_editable_delete_text (GTK_EDITABLE (chooser_entry), 0, 1);
1092       g_signal_handlers_unblock_by_func (chooser_entry,
1093                                          G_CALLBACK (delete_text_callback),
1094                                          user_data);
1095     }
1096 }
1097 #endif
1098
1099 /**
1100  * _gtk_file_chooser_entry_new:
1101  * @eat_tabs: If %FALSE, allow focus navigation with the tab key.
1102  *
1103  * Creates a new #GtkFileChooserEntry object. #GtkFileChooserEntry
1104  * is an internal implementation widget for the GTK+ file chooser
1105  * which is an entry with completion with respect to a
1106  * #GtkFileSystem object.
1107  *
1108  * Return value: the newly created #GtkFileChooserEntry
1109  **/
1110 GtkWidget *
1111 _gtk_file_chooser_entry_new (gboolean eat_tabs)
1112 {
1113   GtkFileChooserEntry *chooser_entry;
1114
1115   chooser_entry = g_object_new (GTK_TYPE_FILE_CHOOSER_ENTRY, NULL);
1116   chooser_entry->eat_tabs = (eat_tabs != FALSE);
1117
1118   return GTK_WIDGET (chooser_entry);
1119 }
1120
1121 /**
1122  * _gtk_file_chooser_entry_set_file_system:
1123  * @chooser_entry: a #GtkFileChooser
1124  * @file_system: an object implementing #GtkFileSystem
1125  *
1126  * Sets the file system for @chooser_entry.
1127  **/
1128 void
1129 _gtk_file_chooser_entry_set_file_system (GtkFileChooserEntry *chooser_entry,
1130                                          GtkFileSystem       *file_system)
1131 {
1132   g_return_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry));
1133   g_return_if_fail (GTK_IS_FILE_SYSTEM (file_system));
1134
1135   if (file_system != chooser_entry->file_system)
1136     {
1137       if (chooser_entry->file_system)
1138         g_object_unref (chooser_entry->file_system);
1139
1140       chooser_entry->file_system = g_object_ref (file_system);
1141     }
1142 }
1143
1144 /**
1145  * _gtk_file_chooser_entry_set_base_folder:
1146  * @chooser_entry: a #GtkFileChooserEntry
1147  * @path: path of a folder in the chooser entries current file system.
1148  *
1149  * Sets the folder with respect to which completions occur.
1150  **/
1151 void
1152 _gtk_file_chooser_entry_set_base_folder (GtkFileChooserEntry *chooser_entry,
1153                                          const GtkFilePath   *path)
1154 {
1155   if (chooser_entry->base_folder)
1156     gtk_file_path_free (chooser_entry->base_folder);
1157
1158   chooser_entry->base_folder = gtk_file_path_copy (path);
1159
1160   gtk_file_chooser_entry_changed (GTK_EDITABLE (chooser_entry));
1161   _gtk_file_chooser_entry_select_filename (chooser_entry);
1162 }
1163
1164 /**
1165  * _gtk_file_chooser_entry_get_current_folder:
1166  * @chooser_entry: a #GtkFileChooserEntry
1167  *
1168  * Gets the current folder for the #GtkFileChooserEntry. If the
1169  * user has only entered a filename, this will be the base folder
1170  * (see _gtk_file_chooser_entry_set_base_folder()), but if the
1171  * user has entered a relative or absolute path, then it will
1172  * be different. If the user has entered a relative or absolute
1173  * path that doesn't point to a folder in the file system, it will
1174  * be %NULL.
1175  *
1176  * Return value: the path of current folder - this value is owned by the
1177  *  chooser entry and must not be modified or freed.
1178  **/
1179 const GtkFilePath *
1180 _gtk_file_chooser_entry_get_current_folder (GtkFileChooserEntry *chooser_entry)
1181 {
1182   if (chooser_entry->has_completion)
1183     {
1184       gtk_editable_set_position (GTK_EDITABLE (chooser_entry),
1185                                  GTK_ENTRY (chooser_entry)->text_length);
1186     }
1187   return chooser_entry->current_folder_path;
1188 }
1189
1190 /**
1191  * _gtk_file_chooser_entry_get_file_part:
1192  * @chooser_entry: a #GtkFileChooserEntry
1193  *
1194  * Gets the non-folder portion of whatever the user has entered
1195  * into the file selector. What is returned is a UTF-8 string,
1196  * and if a filename path is needed, gtk_file_system_make_path()
1197  * must be used
1198   *
1199  * Return value: the entered filename - this value is owned by the
1200  *  chooser entry and must not be modified or freed.
1201  **/
1202 const gchar *
1203 _gtk_file_chooser_entry_get_file_part (GtkFileChooserEntry *chooser_entry)
1204 {
1205   if (chooser_entry->has_completion)
1206     {
1207       gtk_editable_set_position (GTK_EDITABLE (chooser_entry),
1208                                  GTK_ENTRY (chooser_entry)->text_length);
1209     }
1210   return chooser_entry->file_part;
1211 }
1212
1213 /**
1214  * _gtk_file_chooser_entry_set_file_part:
1215  * @chooser_entry: a #GtkFileChooserEntry
1216  * @file_part: text to display in the entry, in UTF-8
1217  *
1218  * Sets the current text shown in the file chooser entry.
1219  **/
1220 void
1221 _gtk_file_chooser_entry_set_file_part (GtkFileChooserEntry *chooser_entry,
1222                                        const gchar         *file_part)
1223 {
1224   g_return_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry));
1225
1226   gtk_entry_set_text (GTK_ENTRY (chooser_entry), file_part);
1227 }
1228
1229
1230 /**
1231  * _gtk_file_chooser_entry_set_action:
1232  * @chooser_entry: a #GtkFileChooserEntry
1233  * @action: the action which is performed by the file selector using this entry
1234  *
1235  * Sets action which is performed by the file selector using this entry.
1236  * The #GtkFileChooserEntry will use different completion strategies for
1237  * different actions.
1238  **/
1239 void
1240 _gtk_file_chooser_entry_set_action (GtkFileChooserEntry *chooser_entry,
1241                                     GtkFileChooserAction action)
1242 {
1243   g_return_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry));
1244
1245   if (chooser_entry->action != action)
1246     {
1247       GtkEntryCompletion *comp;
1248
1249       chooser_entry->action = action;
1250
1251       comp = gtk_entry_get_completion (GTK_ENTRY (chooser_entry));
1252
1253       switch (action)
1254         {
1255         case GTK_FILE_CHOOSER_ACTION_OPEN:
1256         case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
1257           gtk_entry_completion_set_popup_single_match (comp, FALSE);
1258           break;
1259         case GTK_FILE_CHOOSER_ACTION_SAVE:
1260         case GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER:
1261           gtk_entry_completion_set_popup_single_match (comp, TRUE);
1262           break;
1263         }
1264     }
1265 }
1266
1267
1268 /**
1269  * _gtk_file_chooser_entry_get_action:
1270  * @chooser_entry: a #GtkFileChooserEntry
1271  *
1272  * Gets the action for this entry.
1273  *
1274  * Returns: the action
1275  **/
1276 GtkFileChooserAction
1277 _gtk_file_chooser_entry_get_action (GtkFileChooserEntry *chooser_entry)
1278 {
1279   g_return_val_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry),
1280                         GTK_FILE_CHOOSER_ACTION_OPEN);
1281
1282   return chooser_entry->action;
1283 }
1284
1285 gboolean
1286 _gtk_file_chooser_entry_get_is_folder (GtkFileChooserEntry *chooser_entry,
1287                                        const GtkFilePath   *path)
1288 {
1289   gboolean retval = FALSE;
1290
1291   if (chooser_entry->current_folder)
1292     {
1293       GtkFileInfo *file_info;
1294
1295       file_info = gtk_file_folder_get_info (chooser_entry->current_folder,
1296                                             path, NULL);
1297       if (file_info)
1298         {
1299           retval = gtk_file_info_get_is_folder (file_info);
1300           gtk_file_info_free (file_info);
1301         }
1302     }
1303
1304   return retval;
1305 }
1306
1307
1308 /*
1309  * _gtk_file_chooser_entry_select_filename:
1310  * @chooser_entry: a #GtkFileChooserEntry
1311  *
1312  * Selects the filename (without the extension) for user edition.
1313  */
1314 void
1315 _gtk_file_chooser_entry_select_filename (GtkFileChooserEntry *chooser_entry)
1316 {
1317   const gchar *str, *ext;
1318   glong len = -1;
1319
1320   if (chooser_entry->action == GTK_FILE_CHOOSER_ACTION_SAVE)
1321     {
1322       str = gtk_entry_get_text (GTK_ENTRY (chooser_entry));
1323       ext = g_strrstr (str, ".");
1324
1325       if (ext)
1326        len = g_utf8_pointer_to_offset (str, ext);
1327     }
1328
1329   gtk_editable_select_region (GTK_EDITABLE (chooser_entry), 0, (gint) len);
1330 }
1331