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

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 2 -*- */
   2
   3 /* GTK+: gtkfilechooserbutton.c
   4  *
   5  * Copyright (c) 2004 James M. Cape <jcape@ignore-your.tv>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this library; if not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 #include <config.h>
  24
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #ifdef HAVE_UNISTD_H
  28 #include <unistd.h>
  29 #endif
  30
  31 #include <string.h>
  32
  33 #include "gtkintl.h"
  34 #include "gtkbutton.h"
  35 #include "gtkcelllayout.h"
  36 #include "gtkcellrenderertext.h"
  37 #include "gtkcellrendererpixbuf.h"
  38 #include "gtkcombobox.h"
  39 #include "gtkdnd.h"
  40 #include "gtkicontheme.h"
  41 #include "gtkiconfactory.h"
  42 #include "gtkimage.h"
  43 #include "gtklabel.h"
  44 #include "gtkliststore.h"
  45 #include "gtkstock.h"
  46 #include "gtktreemodelfilter.h"
  47 #include "gtkvseparator.h"
  48 #include "gtkfilechooserdialog.h"
  49 #include "gtkfilechooserprivate.h"
  50 #include "gtkfilechooserutils.h"
  51
  52 #include "gtkfilechooserbutton.h"
  53
  54 #ifdef G_OS_WIN32
  55 #include "gtkfilesystemwin32.h"
  56 #endif
  57
  58 #include "gtkprivate.h"
  59 #include "gtkalias.h"
  60
  61 /* **************** *
  62  *  Private Macros  *
  63  * **************** */
  64
  65 #define GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE(object) (GTK_FILE_CHOOSER_BUTTON ((object))->priv)
  66
  67 #define DEFAULT_TITLE           N_("Select A File")
  68 #define HOME_DISPLAY_NAME       N_("Home")
  69 #define DESKTOP_DISPLAY_NAME    N_("Desktop")
  70 #define FALLBACK_DISPLAY_NAME   N_("(None)")
  71 #define FALLBACK_ICON_NAME      "stock_unknown"
  72 #define FALLBACK_ICON_SIZE      16
  73
  74
  75 /* ********************** *
  76  *  Private Enumerations  *
  77  * ********************** */
  78
  79 /* Property IDs */
  80 enum
  81 {
  82   PROP_0,
  83
  84   PROP_DIALOG,
  85   PROP_TITLE,
  86   PROP_WIDTH_CHARS
  87 };
  88
  89 /* TreeModel Columns */
  90 enum
  91 {
  92   ICON_COLUMN,
  93   DISPLAY_NAME_COLUMN,
  94   TYPE_COLUMN,
  95   DATA_COLUMN,
  96   NUM_COLUMNS
  97 };
  98
  99 /* TreeModel Row Types */
 100 typedef enum
 101 {
 102   ROW_TYPE_SPECIAL,
 103   ROW_TYPE_VOLUME,
 104   ROW_TYPE_SHORTCUT,
 105   ROW_TYPE_BOOKMARK_SEPARATOR,
 106   ROW_TYPE_BOOKMARK,
 107   ROW_TYPE_CURRENT_FOLDER_SEPARATOR,
 108   ROW_TYPE_CURRENT_FOLDER,
 109   ROW_TYPE_OTHER_SEPARATOR,
 110   ROW_TYPE_OTHER,
 111
 112   ROW_TYPE_INVALID = -1
 113 }
 114 RowType;
 115
 116
 117 /* ******************** *
 118  *  Private Structures  *
 119  * ******************** */
 120
 121 struct _GtkFileChooserButtonPrivate
 122 {
 123   GtkWidget *dialog;
 124   GtkWidget *button;
 125   GtkWidget *image;
 126   GtkWidget *label;
 127   GtkWidget *combo_box;
 128   GtkCellRenderer *icon_cell;
 129   GtkCellRenderer *name_cell;
 130
 131   GtkTreeModel *model;
 132   GtkTreeModel *filter_model;
 133
 134   gchar *backend;
 135   GtkFileSystem *fs;
 136   GtkFilePath *old_path;
 137
 138   gulong combo_box_changed_id;
 139   gulong dialog_file_activated_id;
 140   gulong dialog_folder_changed_id;
 141   gulong dialog_selection_changed_id;
 142   gulong fs_volumes_changed_id;
 143   gulong fs_bookmarks_changed_id;
 144
 145   gint icon_size;
 146
 147   guint8 n_special;
 148   guint8 n_volumes;
 149   guint8 n_shortcuts;
 150   guint8 n_bookmarks;
 151   guint8 has_bookmark_separator       : 1;
 152   guint8 has_current_folder_separator : 1;
 153   guint8 has_current_folder           : 1;
 154   guint8 has_other_separator          : 1;
 155
 156   /* Used for hiding/showing the dialog when the button is hidden */
 157   guint8 active                       : 1;
 158 };
 159
 160
 161 /* ************* *
 162  *  DnD Support  *
 163  * ************* */
 164
 165 enum
 166 {
 167   TEXT_PLAIN,
 168   TEXT_URI_LIST
 169 };
 170
 171
 172 /* ********************* *
 173  *  Function Prototypes  *
 174  * ********************* */
 175
 176 /* GtkFileChooserIface Functions */
 177 static void     gtk_file_chooser_button_file_chooser_iface_init (GtkFileChooserIface *iface);
 178 static gboolean gtk_file_chooser_button_add_shortcut_folder     (GtkFileChooser      *chooser,
 179                                                                  const GtkFilePath   *path,
 180                                                                  GError             **error);
 181 static gboolean gtk_file_chooser_button_remove_shortcut_folder  (GtkFileChooser      *chooser,
 182                                                                  const GtkFilePath   *path,
 183                                                                  GError             **error);
 184
 185 /* GObject Functions */
 186 static GObject *gtk_file_chooser_button_constructor        (GType             type,
 187                                                             guint             n_params,
 188                                                             GObjectConstructParam *params);
 189 static void     gtk_file_chooser_button_set_property       (GObject          *object,
 190                                                             guint             param_id,
 191                                                             const GValue     *value,
 192                                                             GParamSpec       *pspec);
 193 static void     gtk_file_chooser_button_get_property       (GObject          *object,
 194                                                             guint             param_id,
 195                                                             GValue           *value,
 196                                                             GParamSpec       *pspec);
 197 static void     gtk_file_chooser_button_finalize           (GObject          *object);
 198
 199 /* GtkObject Functions */
 200 static void     gtk_file_chooser_button_destroy            (GtkObject        *object);
 201
 202 /* GtkWidget Functions */
 203 static void     gtk_file_chooser_button_drag_data_received (GtkWidget        *widget,
 204                                                             GdkDragContext   *context,
 205                                                             gint              x,
 206                                                             gint              y,
 207                                                             GtkSelectionData *data,
 208                                                             guint             info,
 209                                                             guint             drag_time);
 210 static void     gtk_file_chooser_button_show_all           (GtkWidget        *widget);
 211 static void     gtk_file_chooser_button_hide_all           (GtkWidget        *widget);
 212 static void     gtk_file_chooser_button_show               (GtkWidget        *widget);
 213 static void     gtk_file_chooser_button_hide               (GtkWidget        *widget);
 214 static gboolean gtk_file_chooser_button_mnemonic_activate  (GtkWidget        *widget,
 215                                                             gboolean          group_cycling);
 216 static void     gtk_file_chooser_button_style_set          (GtkWidget        *widget,
 217                                                             GtkStyle         *old_style);
 218 static void     gtk_file_chooser_button_screen_changed     (GtkWidget        *widget,
 219                                                             GdkScreen        *old_screen);
 220
 221 /* Utility Functions */
 222 static GtkIconTheme *get_icon_theme               (GtkWidget            *widget);
 223 static gchar        *get_display_name_for_path    (GtkFileSystem     *fs,
 224                                                    const GtkFilePath *path);
 225
 226 static gint          model_get_type_position      (GtkFileChooserButton *button,
 227                                                    RowType               row_type);
 228 static void          model_free_row_data          (GtkFileChooserButton *button,
 229                                                    GtkTreeIter          *iter);
 230 static inline void   model_add_special            (GtkFileChooserButton *button);
 231 static inline void   model_add_other              (GtkFileChooserButton *button);
 232 static void          model_add_volumes            (GtkFileChooserButton *button,
 233                                                    GSList               *volumes);
 234 static void          model_add_bookmarks          (GtkFileChooserButton *button,
 235                                                    GSList               *bookmarks);
 236 static void          model_update_current_folder  (GtkFileChooserButton *button,
 237                                                    const GtkFilePath    *path);
 238 static void          model_remove_rows            (GtkFileChooserButton *button,
 239                                                    gint                  pos,
 240                                                    gint                  n_rows);
 241
 242 static gboolean      filter_model_visible_func    (GtkTreeModel         *model,
 243                                                    GtkTreeIter          *iter,
 244                                                    gpointer              user_data);
 245
 246 static gboolean      combo_box_row_separator_func (GtkTreeModel         *model,
 247                                                    GtkTreeIter          *iter,
 248                                                    gpointer              user_data);
 249 static void          name_cell_data_func          (GtkCellLayout        *layout,
 250                                                    GtkCellRenderer      *cell,
 251                                                    GtkTreeModel         *model,
 252                                                    GtkTreeIter          *iter,
 253                                                    gpointer              user_data);
 254 static void          open_dialog                  (GtkFileChooserButton *button);
 255 static void          update_combo_box             (GtkFileChooserButton *button);
 256 static void          update_label_and_image       (GtkFileChooserButton *button);
 257
 258 /* Child Object Callbacks */
 259 static void     fs_volumes_changed_cb            (GtkFileSystem  *fs,
 260                                                   gpointer        user_data);
 261 static void     fs_bookmarks_changed_cb          (GtkFileSystem  *fs,
 262                                                   gpointer        user_data);
 263
 264 static void     combo_box_changed_cb             (GtkComboBox    *combo_box,
 265                                                   gpointer        user_data);
 266
 267 static void     button_clicked_cb                (GtkButton      *real_button,
 268                                                   gpointer        user_data);
 269
 270 static void     dialog_update_preview_cb         (GtkFileChooser *dialog,
 271                                                   gpointer        user_data);
 272 static void     dialog_selection_changed_cb      (GtkFileChooser *dialog,
 273                                                   gpointer        user_data);
 274 static void     dialog_file_activated_cb         (GtkFileChooser *dialog,
 275                                                   gpointer        user_data);
 276 static void     dialog_current_folder_changed_cb (GtkFileChooser *dialog,
 277                                                   gpointer        user_data);
 278 static void     dialog_notify_cb                 (GObject        *dialog,
 279                                                   GParamSpec     *pspec,
 280                                                   gpointer        user_data);
 281 static gboolean dialog_delete_event_cb           (GtkWidget      *dialog,
 282                                                   GdkEvent       *event,
 283                                                   gpointer        user_data);
 284 static void     dialog_response_cb               (GtkDialog      *dialog,
 285                                                   gint            response,
 286                                                   gpointer        user_data);
 287
 288
 289 /* ******************* *
 290  *  GType Declaration  *
 291  * ******************* */
 292
 293 G_DEFINE_TYPE_WITH_CODE (GtkFileChooserButton, gtk_file_chooser_button, GTK_TYPE_HBOX, { \
 294     G_IMPLEMENT_INTERFACE (GTK_TYPE_FILE_CHOOSER, gtk_file_chooser_button_file_chooser_iface_init) \
 295 });
 296
 297
 298 /* ***************** *
 299  *  GType Functions  *
 300  * ***************** */
 301
 302 static void
 303 gtk_file_chooser_button_class_init (GtkFileChooserButtonClass * class)
 304 {
 305   GObjectClass *gobject_class;
 306   GtkObjectClass *gtkobject_class;
 307   GtkWidgetClass *widget_class;
 308
 309   gobject_class = G_OBJECT_CLASS (class);
 310   gtkobject_class = GTK_OBJECT_CLASS (class);
 311   widget_class = GTK_WIDGET_CLASS (class);
 312
 313   gobject_class->constructor = gtk_file_chooser_button_constructor;
 314   gobject_class->set_property = gtk_file_chooser_button_set_property;
 315   gobject_class->get_property = gtk_file_chooser_button_get_property;
 316   gobject_class->finalize = gtk_file_chooser_button_finalize;
 317
 318   gtkobject_class->destroy = gtk_file_chooser_button_destroy;
 319
 320   widget_class->drag_data_received = gtk_file_chooser_button_drag_data_received;
 321   widget_class->show_all = gtk_file_chooser_button_show_all;
 322   widget_class->hide_all = gtk_file_chooser_button_hide_all;
 323   widget_class->show = gtk_file_chooser_button_show;
 324   widget_class->hide = gtk_file_chooser_button_hide;
 325   widget_class->style_set = gtk_file_chooser_button_style_set;
 326   widget_class->screen_changed = gtk_file_chooser_button_screen_changed;
 327   widget_class->mnemonic_activate = gtk_file_chooser_button_mnemonic_activate;
 328
 329   /**
 330    * GtkFileChooserButton:dialog:
 331    *
 332    * Instance of the #GtkFileChooserDialog associated with the button.
 333    *
 334    * Since: 2.6
 335    */
 336   g_object_class_install_property (gobject_class, PROP_DIALOG,
 337                                    g_param_spec_object ("dialog",
 338                                                         P_("Dialog"),
 339                                                         P_("The file chooser dialog to use."),
 340                                                         GTK_TYPE_FILE_CHOOSER_DIALOG,
 341                                                         (GTK_PARAM_WRITABLE |
 342                                                          G_PARAM_CONSTRUCT_ONLY)));
 343
 344   /**
 345    * GtkFileChooserButton:title:
 346    *
 347    * Title to put on the #GtkFileChooserDialog associated with the button.
 348    *
 349    * Since: 2.6
 350    */
 351   g_object_class_install_property (gobject_class, PROP_TITLE,
 352                                    g_param_spec_string ("title",
 353                                                         P_("Title"),
 354                                                         P_("The title of the file chooser dialog."),
 355                                                         _(DEFAULT_TITLE),
 356                                                         GTK_PARAM_READWRITE));
 357
 358   /**
 359    * GtkFileChooserButton:width-chars:
 360    *
 361    * The width of the entry and label inside the button, in characters.
 362    *
 363    * Since: 2.6
 364    */
 365   g_object_class_install_property (gobject_class, PROP_WIDTH_CHARS,
 366                                    g_param_spec_int ("width-chars",
 367                                                      P_("Width In Characters"),
 368                                                      P_("The desired width of the button widget, in characters."),
 369                                                      -1, G_MAXINT, -1,
 370                                                      GTK_PARAM_READWRITE));
 371
 372   _gtk_file_chooser_install_properties (gobject_class);
 373
 374   g_type_class_add_private (class, sizeof (GtkFileChooserButtonPrivate));
 375 }
 376
 377 static void
 378 gtk_file_chooser_button_init (GtkFileChooserButton *button)
 379 {
 380   GtkFileChooserButtonPrivate *priv;
 381   GtkWidget *box, *image, *sep;
 382   GtkTargetList *target_list;
 383
 384   priv = G_TYPE_INSTANCE_GET_PRIVATE (button, GTK_TYPE_FILE_CHOOSER_BUTTON,
 385                                       GtkFileChooserButtonPrivate);
 386   button->priv = priv;
 387
 388   priv->icon_size = FALLBACK_ICON_SIZE;
 389
 390   gtk_widget_push_composite_child ();
 391
 392   /* Button */
 393   priv->button = gtk_button_new ();
 394   g_signal_connect (priv->button, "clicked", G_CALLBACK (button_clicked_cb),
 395                     button);
 396   gtk_container_add (GTK_CONTAINER (button), priv->button);
 397   gtk_widget_show (priv->button);
 398
 399   box = gtk_hbox_new (FALSE, 4);
 400   gtk_container_add (GTK_CONTAINER (priv->button), box);
 401   gtk_widget_show (box);
 402
 403   priv->image = gtk_image_new ();
 404   gtk_box_pack_start (GTK_BOX (box), priv->image, FALSE, FALSE, 0);
 405   gtk_widget_show (priv->image);
 406
 407   priv->label = gtk_label_new (_(FALLBACK_DISPLAY_NAME));
 408   gtk_label_set_ellipsize (GTK_LABEL (priv->label), PANGO_ELLIPSIZE_END);
 409   gtk_misc_set_alignment (GTK_MISC (priv->label), 0.0, 0.5);
 410   gtk_container_add (GTK_CONTAINER (box), priv->label);
 411   gtk_widget_show (priv->label);
 412
 413   sep = gtk_vseparator_new ();
 414   gtk_box_pack_start (GTK_BOX (box), sep, FALSE, FALSE, 0);
 415   gtk_widget_show (sep);
 416
 417   image = gtk_image_new_from_stock (GTK_STOCK_OPEN,
 418                                     GTK_ICON_SIZE_MENU);
 419   gtk_box_pack_start (GTK_BOX (box), image, FALSE, FALSE, 0);
 420   gtk_widget_show (image);
 421
 422   /* Combo Box */
 423   /* Keep in sync with columns enum, line 88 */
 424   priv->model =
 425     GTK_TREE_MODEL (gtk_list_store_new (NUM_COLUMNS,
 426                                         GDK_TYPE_PIXBUF, /* Icon */
 427                                         G_TYPE_STRING,   /* Display Name */
 428                                         G_TYPE_CHAR,     /* Row Type */
 429                                         G_TYPE_POINTER   /* Volume || Path */));
 430
 431   priv->combo_box = gtk_combo_box_new ();
 432   priv->combo_box_changed_id =
 433     g_signal_connect (priv->combo_box, "changed",
 434                       G_CALLBACK (combo_box_changed_cb), button);
 435   gtk_container_add (GTK_CONTAINER (button), priv->combo_box);
 436
 437   priv->icon_cell = gtk_cell_renderer_pixbuf_new ();
 438   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (priv->combo_box),
 439                               priv->icon_cell, FALSE);
 440   gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (priv->combo_box),
 441                                  priv->icon_cell, "pixbuf", ICON_COLUMN);
 442
 443   priv->name_cell = gtk_cell_renderer_text_new ();
 444   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (priv->combo_box),
 445                               priv->name_cell, TRUE);
 446   gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (priv->combo_box),
 447                                  priv->name_cell, "text", DISPLAY_NAME_COLUMN);
 448   gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (priv->combo_box),
 449                                       priv->name_cell, name_cell_data_func,
 450                                       NULL, NULL);
 451
 452   gtk_widget_pop_composite_child ();
 453
 454   /* DnD */
 455   gtk_drag_dest_set (GTK_WIDGET (button),
 456                      (GTK_DEST_DEFAULT_ALL),
 457                      NULL, 0,
 458                      GDK_ACTION_COPY);
 459   target_list = gtk_target_list_new (NULL, 0);
 460   gtk_target_list_add_uri_targets (target_list, TEXT_URI_LIST);
 461   gtk_target_list_add_text_targets (target_list, TEXT_PLAIN);
 462   gtk_drag_dest_set_target_list (GTK_WIDGET (button), target_list);
 463   gtk_target_list_unref (target_list);
 464 }
 465
 466
 467 /* ******************************* *
 468  *  GtkFileChooserIface Functions  *
 469  * ******************************* */
 470 static void
 471 gtk_file_chooser_button_file_chooser_iface_init (GtkFileChooserIface *iface)
 472 {
 473   _gtk_file_chooser_delegate_iface_init (iface);
 474
 475   iface->add_shortcut_folder = gtk_file_chooser_button_add_shortcut_folder;
 476   iface->remove_shortcut_folder = gtk_file_chooser_button_remove_shortcut_folder;
 477 }
 478
 479 static gboolean
 480 gtk_file_chooser_button_add_shortcut_folder (GtkFileChooser     *chooser,
 481                                              const GtkFilePath  *path,
 482                                              GError            **error)
 483 {
 484   GtkFileChooser *delegate;
 485   gboolean retval;
 486
 487   delegate = g_object_get_qdata (G_OBJECT (chooser),
 488                                  GTK_FILE_CHOOSER_DELEGATE_QUARK);
 489   retval = _gtk_file_chooser_add_shortcut_folder (delegate, path, error);
 490
 491   if (retval)
 492     {
 493       GtkFileChooserButtonPrivate *priv;
 494       GtkTreeIter iter;
 495       gint pos;
 496       GdkPixbuf *pixbuf;
 497       gchar *display_name;
 498
 499       priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (chooser);
 500
 501       pos = model_get_type_position (GTK_FILE_CHOOSER_BUTTON (chooser),
 502                                      ROW_TYPE_SHORTCUT);
 503       pos += priv->n_shortcuts;
 504
 505       pixbuf = gtk_file_system_render_icon (priv->fs, path,
 506                                             GTK_WIDGET (chooser),
 507                                             priv->icon_size, NULL);
 508       display_name = get_display_name_for_path (priv->fs, path);
 509
 510       gtk_list_store_insert (GTK_LIST_STORE (priv->model), &iter, pos);
 511       gtk_list_store_set (GTK_LIST_STORE (priv->model), &iter,
 512                           ICON_COLUMN, pixbuf,
 513                           DISPLAY_NAME_COLUMN, display_name,
 514                           TYPE_COLUMN, ROW_TYPE_SHORTCUT,
 515                           DATA_COLUMN, gtk_file_path_copy (path),
 516                           -1);
 517       priv->n_shortcuts++;
 518
 519       if (pixbuf)
 520         g_object_unref (pixbuf);
 521       g_free (display_name);
 522
 523       gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
 524     }
 525
 526   return retval;
 527 }
 528
 529 static gboolean
 530 gtk_file_chooser_button_remove_shortcut_folder (GtkFileChooser     *chooser,
 531                                                 const GtkFilePath  *path,
 532                                                 GError            **error)
 533 {
 534   GtkFileChooser *delegate;
 535   gboolean retval;
 536
 537   delegate = g_object_get_qdata (G_OBJECT (chooser),
 538                                  GTK_FILE_CHOOSER_DELEGATE_QUARK);
 539
 540   retval = _gtk_file_chooser_remove_shortcut_folder (delegate, path, error);
 541
 542   if (retval)
 543     {
 544       GtkFileChooserButtonPrivate *priv;
 545       GtkTreeIter iter;
 546       gint pos;
 547       gchar type;
 548
 549       priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (chooser);
 550
 551       pos = model_get_type_position (GTK_FILE_CHOOSER_BUTTON (chooser),
 552                                      ROW_TYPE_SHORTCUT);
 553       g_assert (gtk_tree_model_iter_nth_child (priv->model, &iter, NULL, pos));
 554
 555       do
 556         {
 557           gpointer data;
 558
 559           gtk_tree_model_get (priv->model, &iter,
 560                               TYPE_COLUMN, &type,
 561                               DATA_COLUMN, &data,
 562                               -1);
 563
 564           if (type == ROW_TYPE_SHORTCUT &&
 565               data &&
 566               gtk_file_path_compare (data, path) == 0)
 567             {
 568               model_free_row_data (GTK_FILE_CHOOSER_BUTTON (chooser), &iter);
 569               gtk_list_store_remove (GTK_LIST_STORE (priv->model), &iter);
 570               priv->n_shortcuts--;
 571               gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
 572               update_combo_box (GTK_FILE_CHOOSER_BUTTON (chooser));
 573               break;
 574             }
 575         }
 576       while (type == ROW_TYPE_SHORTCUT &&
 577              gtk_tree_model_iter_next (priv->model, &iter));
 578     }
 579
 580   return retval;
 581 }
 582
 583
 584 /* ******************* *
 585  *  GObject Functions  *
 586  * ******************* */
 587
 588 static GObject *
 589 gtk_file_chooser_button_constructor (GType                  type,
 590                                      guint                  n_params,
 591                                      GObjectConstructParam *params)
 592 {
 593   GObject *object;
 594   GtkFileChooserButtonPrivate *priv;
 595   GSList *list;
 596
 597   object = (*G_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->constructor) (type,
 598                                                                                   n_params,
 599                                                                                   params);
 600   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
 601
 602   if (!priv->dialog)
 603     {
 604       if (priv->backend)
 605         priv->dialog = gtk_file_chooser_dialog_new_with_backend (NULL, NULL,
 606                                                                  GTK_FILE_CHOOSER_ACTION_OPEN,
 607                                                                  priv->backend,
 608                                                                  GTK_STOCK_CANCEL,
 609                                                                  GTK_RESPONSE_CANCEL,
 610                                                                  GTK_STOCK_OPEN,
 611                                                                  GTK_RESPONSE_ACCEPT,
 612                                                                  NULL);
 613       else
 614         priv->dialog = gtk_file_chooser_dialog_new (NULL, NULL,
 615                                                     GTK_FILE_CHOOSER_ACTION_OPEN,
 616                                                     GTK_STOCK_CANCEL,
 617                                                     GTK_RESPONSE_CANCEL,
 618                                                     GTK_STOCK_OPEN,
 619                                                     GTK_RESPONSE_ACCEPT,
 620                                                     NULL);
 621
 622       gtk_dialog_set_default_response (GTK_DIALOG (priv->dialog),
 623                                        GTK_RESPONSE_ACCEPT);
 624       gtk_dialog_set_alternative_button_order (GTK_DIALOG (priv->dialog),
 625                                                GTK_RESPONSE_ACCEPT,
 626                                                GTK_RESPONSE_CANCEL,
 627                                                -1);
 628     }
 629
 630   g_free (priv->backend);
 631   priv->backend = NULL;
 632
 633   g_signal_connect (priv->dialog, "delete-event",
 634                     G_CALLBACK (dialog_delete_event_cb), object);
 635   g_signal_connect (priv->dialog, "response",
 636                     G_CALLBACK (dialog_response_cb), object);
 637
 638   /* This is used, instead of the standard delegate, to ensure that signals are only
 639    * delegated when the OK button is pressed. */
 640   g_object_set_qdata (object, GTK_FILE_CHOOSER_DELEGATE_QUARK, priv->dialog);
 641   priv->dialog_folder_changed_id =
 642     g_signal_connect (priv->dialog, "current-folder-changed",
 643                       G_CALLBACK (dialog_current_folder_changed_cb), object);
 644   priv->dialog_file_activated_id =
 645     g_signal_connect (priv->dialog, "file-activated",
 646                       G_CALLBACK (dialog_file_activated_cb), object);
 647   priv->dialog_selection_changed_id =
 648     g_signal_connect (priv->dialog, "selection-changed",
 649                       G_CALLBACK (dialog_selection_changed_cb), object);
 650   g_signal_connect (priv->dialog, "update-preview",
 651                     G_CALLBACK (dialog_update_preview_cb), object);
 652   g_signal_connect (priv->dialog, "notify",
 653                     G_CALLBACK (dialog_notify_cb), object);
 654   g_object_add_weak_pointer (G_OBJECT (priv->dialog),
 655                              (gpointer *) (&priv->dialog));
 656
 657   priv->fs =
 658     g_object_ref (_gtk_file_chooser_get_file_system (GTK_FILE_CHOOSER (priv->dialog)));
 659
 660   model_add_special (GTK_FILE_CHOOSER_BUTTON (object));
 661
 662   list = gtk_file_system_list_volumes (priv->fs);
 663   model_add_volumes (GTK_FILE_CHOOSER_BUTTON (object), list);
 664   g_slist_free (list);
 665
 666   list = gtk_file_system_list_bookmarks (priv->fs);
 667   model_add_bookmarks (GTK_FILE_CHOOSER_BUTTON (object), list);
 668   gtk_file_paths_free (list);
 669
 670   model_add_other (GTK_FILE_CHOOSER_BUTTON (object));
 671
 672   priv->filter_model = gtk_tree_model_filter_new (priv->model, NULL);
 673   gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (priv->filter_model),
 674                                           filter_model_visible_func,
 675                                           object, NULL);
 676
 677   gtk_combo_box_set_model (GTK_COMBO_BOX (priv->combo_box), priv->filter_model);
 678   gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (priv->combo_box),
 679                                         combo_box_row_separator_func,
 680                                         NULL, NULL);
 681
 682   /* set up the action for a user-provided dialog, this also updates
 683    * the label, image and combobox
 684    */
 685   g_object_set (object,
 686                 "action", gtk_file_chooser_get_action (GTK_FILE_CHOOSER (priv->dialog)),
 687                 NULL);
 688
 689   priv->fs_volumes_changed_id =
 690     g_signal_connect (priv->fs, "volumes-changed",
 691                       G_CALLBACK (fs_volumes_changed_cb), object);
 692   priv->fs_bookmarks_changed_id =
 693     g_signal_connect (priv->fs, "bookmarks-changed",
 694                       G_CALLBACK (fs_bookmarks_changed_cb), object);
 695
 696   return object;
 697 }
 698
 699 static void
 700 gtk_file_chooser_button_set_property (GObject      *object,
 701                                       guint         param_id,
 702                                       const GValue *value,
 703                                       GParamSpec   *pspec)
 704 {
 705   GtkFileChooserButtonPrivate *priv;
 706
 707   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
 708
 709   switch (param_id)
 710     {
 711     case PROP_DIALOG:
 712       /* Construct-only */
 713       priv->dialog = g_value_get_object (value);
 714       break;
 715     case PROP_WIDTH_CHARS:
 716       gtk_file_chooser_button_set_width_chars (GTK_FILE_CHOOSER_BUTTON (object),
 717                                                g_value_get_int (value));
 718       break;
 719     case GTK_FILE_CHOOSER_PROP_ACTION:
 720       switch (g_value_get_enum (value))
 721         {
 722         case GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER:
 723         case GTK_FILE_CHOOSER_ACTION_SAVE:
 724           {
 725             GEnumClass *eclass;
 726             GEnumValue *eval;
 727
 728             eclass = g_type_class_peek (GTK_TYPE_FILE_CHOOSER_ACTION);
 729             eval = g_enum_get_value (eclass, g_value_get_enum (value));
 730             g_warning ("%s: Choosers of type `%s' do not support `%s'.",
 731                        G_STRFUNC, G_OBJECT_TYPE_NAME (object), eval->value_name);
 732
 733             g_value_set_enum ((GValue *) value, GTK_FILE_CHOOSER_ACTION_OPEN);
 734           }
 735           break;
 736         }
 737
 738       g_object_set_property (G_OBJECT (priv->dialog), pspec->name, value);
 739       update_label_and_image (GTK_FILE_CHOOSER_BUTTON (object));
 740       update_combo_box (GTK_FILE_CHOOSER_BUTTON (object));
 741
 742       switch (g_value_get_enum (value))
 743         {
 744         case GTK_FILE_CHOOSER_ACTION_OPEN:
 745           gtk_widget_hide (priv->combo_box);
 746           gtk_widget_show (priv->button);
 747           break;
 748         case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
 749           gtk_widget_hide (priv->button);
 750           gtk_widget_show (priv->combo_box);
 751           break;
 752         default:
 753           g_assert_not_reached ();
 754           break;
 755         }
 756       break;
 757
 758     case PROP_TITLE:
 759     case GTK_FILE_CHOOSER_PROP_FILTER:
 760     case GTK_FILE_CHOOSER_PROP_LOCAL_ONLY:
 761     case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET:
 762     case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE:
 763     case GTK_FILE_CHOOSER_PROP_USE_PREVIEW_LABEL:
 764     case GTK_FILE_CHOOSER_PROP_EXTRA_WIDGET:
 765     case GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN:
 766     case GTK_FILE_CHOOSER_PROP_DO_OVERWRITE_CONFIRMATION:
 767       g_object_set_property (G_OBJECT (priv->dialog), pspec->name, value);
 768       break;
 769
 770     case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND:
 771       /* Construct-only */
 772       priv->backend = g_value_dup_string (value);
 773       break;
 774
 775     case GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE:
 776       g_warning ("%s: Choosers of type `%s` do not support selecting multiple files.",
 777                  G_STRFUNC, G_OBJECT_TYPE_NAME (object));
 778       break;
 779     default:
 780       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 781       break;
 782     }
 783 }
 784
 785 static void
 786 gtk_file_chooser_button_get_property (GObject    *object,
 787                                       guint       param_id,
 788                                       GValue     *value,
 789                                       GParamSpec *pspec)
 790 {
 791   GtkFileChooserButtonPrivate *priv;
 792
 793   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
 794
 795   switch (param_id)
 796     {
 797     case PROP_WIDTH_CHARS:
 798       g_value_set_int (value,
 799                        gtk_label_get_width_chars (GTK_LABEL (priv->label)));
 800       break;
 801
 802     case PROP_TITLE:
 803     case GTK_FILE_CHOOSER_PROP_ACTION:
 804     case GTK_FILE_CHOOSER_PROP_FILE_SYSTEM_BACKEND:
 805     case GTK_FILE_CHOOSER_PROP_FILTER:
 806     case GTK_FILE_CHOOSER_PROP_LOCAL_ONLY:
 807     case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET:
 808     case GTK_FILE_CHOOSER_PROP_PREVIEW_WIDGET_ACTIVE:
 809     case GTK_FILE_CHOOSER_PROP_USE_PREVIEW_LABEL:
 810     case GTK_FILE_CHOOSER_PROP_EXTRA_WIDGET:
 811     case GTK_FILE_CHOOSER_PROP_SELECT_MULTIPLE:
 812     case GTK_FILE_CHOOSER_PROP_SHOW_HIDDEN:
 813     case GTK_FILE_CHOOSER_PROP_DO_OVERWRITE_CONFIRMATION:
 814       g_object_get_property (G_OBJECT (priv->dialog), pspec->name, value);
 815       break;
 816
 817     default:
 818       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 819       break;
 820     }
 821 }
 822
 823 static void
 824 gtk_file_chooser_button_finalize (GObject *object)
 825 {
 826   GtkFileChooserButtonPrivate *priv;
 827   GtkTreeIter iter;
 828
 829   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
 830
 831   if (priv->old_path)
 832     gtk_file_path_free (priv->old_path);
 833
 834   g_assert (gtk_tree_model_get_iter_first (priv->model, &iter));
 835
 836   do
 837     {
 838       model_free_row_data (GTK_FILE_CHOOSER_BUTTON (object), &iter);
 839     }
 840   while (gtk_tree_model_iter_next (priv->model, &iter));
 841
 842   g_object_unref (priv->model);
 843   g_object_unref (priv->filter_model);
 844
 845   g_signal_handler_disconnect (priv->fs, priv->fs_volumes_changed_id);
 846   g_signal_handler_disconnect (priv->fs, priv->fs_bookmarks_changed_id);
 847   g_object_unref (priv->fs);
 848
 849   if (G_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->finalize != NULL)
 850     (*G_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->finalize) (object);
 851 }
 852
 853 /* ********************* *
 854  *  GtkObject Functions  *
 855  * ********************* */
 856
 857 static void
 858 gtk_file_chooser_button_destroy (GtkObject *object)
 859 {
 860   GtkFileChooserButtonPrivate *priv;
 861
 862   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (object);
 863
 864   if (priv->dialog != NULL)
 865     gtk_widget_destroy (priv->dialog);
 866
 867   if (GTK_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->destroy != NULL)
 868     (*GTK_OBJECT_CLASS (gtk_file_chooser_button_parent_class)->destroy) (object);
 869 }
 870
 871
 872 /* ********************* *
 873  *  GtkWidget Functions  *
 874  * ********************* */
 875
 876 static void
 877 gtk_file_chooser_button_drag_data_received (GtkWidget        *widget,
 878                                             GdkDragContext   *context,
 879                                             gint              x,
 880                                             gint              y,
 881                                             GtkSelectionData *data,
 882                                             guint             info,
 883                                             guint             drag_time)
 884 {
 885   GtkFileChooserButtonPrivate *priv;
 886   GtkFilePath *path;
 887   gchar *text;
 888
 889   if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->drag_data_received != NULL)
 890     (*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->drag_data_received) (widget,
 891                                                                                     context,
 892                                                                                     x, y,
 893                                                                                     data, info,
 894                                                                                     drag_time);
 895
 896   if (widget == NULL || context == NULL || data == NULL || data->length < 0)
 897     return;
 898
 899   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
 900
 901   switch (info)
 902     {
 903     case TEXT_URI_LIST:
 904       {
 905         gchar **uris;
 906         GtkFilePath *base_path;
 907         guint i;
 908         gboolean selected;
 909
 910         uris = gtk_selection_data_get_uris (data);
 911
 912         if (uris == NULL)
 913           break;
 914
 915         selected = FALSE;
 916         for (i = 0; !selected && uris[i] != NULL; i++)
 917           {
 918             path = gtk_file_system_uri_to_path (priv->fs, uris[i]);
 919
 920             base_path = NULL;
 921             if (path != NULL &&
 922                 gtk_file_system_get_parent (priv->fs, path, &base_path, NULL))
 923               {
 924                 GtkFileFolder *folder;
 925                 GtkFileInfo *info;
 926
 927                 folder = gtk_file_system_get_folder (priv->fs, base_path,
 928                                                      GTK_FILE_INFO_IS_FOLDER,
 929                                                      NULL);
 930
 931                 info = gtk_file_folder_get_info (folder, path, NULL);
 932
 933                 if (info != NULL)
 934                   {
 935                     GtkFileChooserAction action;
 936
 937                     g_object_get (priv->dialog, "action", &action, NULL);
 938
 939                     selected =
 940                       (((action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER &&
 941                          gtk_file_info_get_is_folder (info)) ||
 942                         (action == GTK_FILE_CHOOSER_ACTION_OPEN &&
 943                          !gtk_file_info_get_is_folder (info))) &&
 944                         _gtk_file_chooser_select_path (GTK_FILE_CHOOSER (priv->dialog),
 945                                                        path, NULL));
 946
 947                     gtk_file_info_free (info);
 948                   }
 949                 else
 950                   selected = FALSE;
 951
 952                 gtk_file_path_free (base_path);
 953               }
 954
 955             gtk_file_path_free (path);
 956           }
 957
 958         g_strfreev (uris);
 959       }
 960       break;
 961
 962     case TEXT_PLAIN:
 963       text = gtk_selection_data_get_text (data);
 964       path = gtk_file_path_new_steal (text);
 965       _gtk_file_chooser_select_path (GTK_FILE_CHOOSER (priv->dialog), path,
 966                                      NULL);
 967       gtk_file_path_free (path);
 968       break;
 969
 970     default:
 971       break;
 972     }
 973
 974   gtk_drag_finish (context, TRUE, FALSE, drag_time);
 975 }
 976
 977 static void
 978 gtk_file_chooser_button_show_all (GtkWidget *widget)
 979 {
 980   gtk_widget_show (widget);
 981 }
 982
 983 static void
 984 gtk_file_chooser_button_hide_all (GtkWidget *widget)
 985 {
 986   gtk_widget_hide (widget);
 987 }
 988
 989 static void
 990 gtk_file_chooser_button_show (GtkWidget *widget)
 991 {
 992   GtkFileChooserButtonPrivate *priv;
 993
 994   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
 995
 996   if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->show)
 997     (*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->show) (widget);
 998
 999   if (priv->active)
1000     open_dialog (GTK_FILE_CHOOSER_BUTTON (widget));
1001 }
1002
1003 static void
1004 gtk_file_chooser_button_hide (GtkWidget *widget)
1005 {
1006   GtkFileChooserButtonPrivate *priv;
1007
1008   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
1009
1010   gtk_widget_hide (priv->dialog);
1011
1012   if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->hide)
1013     (*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->hide) (widget);
1014 }
1015
1016 static gboolean
1017 gtk_file_chooser_button_mnemonic_activate (GtkWidget *widget,
1018                                            gboolean   group_cycling)
1019 {
1020   GtkFileChooserButtonPrivate *priv;
1021
1022   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
1023   switch (gtk_file_chooser_get_action (GTK_FILE_CHOOSER (priv->dialog)))
1024     {
1025     case GTK_FILE_CHOOSER_ACTION_OPEN:
1026       gtk_widget_grab_focus (priv->button);
1027       break;
1028     case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
1029       return gtk_widget_mnemonic_activate (priv->combo_box, group_cycling);
1030       break;
1031     default:
1032       g_assert_not_reached ();
1033       break;
1034     }
1035
1036   return TRUE;
1037 }
1038
1039 /* Changes the icons wherever it is needed */
1040 static void
1041 change_icon_theme (GtkFileChooserButton *button)
1042 {
1043   GtkFileChooserButtonPrivate *priv;
1044   GtkSettings *settings;
1045   GtkIconTheme *theme;
1046   GtkTreeIter iter;
1047   gint width, height;
1048
1049   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (button);
1050
1051   settings = gtk_settings_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (button)));
1052
1053   if (gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU,
1054                                          &width, &height))
1055     priv->icon_size = MAX (width, height);
1056   else
1057     priv->icon_size = FALLBACK_ICON_SIZE;
1058
1059   update_label_and_image (button);
1060
1061   g_assert (gtk_tree_model_get_iter_first (priv->model, &iter));
1062
1063   theme = get_icon_theme (GTK_WIDGET (button));
1064
1065   do
1066     {
1067       GdkPixbuf *pixbuf;
1068       gchar type;
1069       gpointer data;
1070
1071       type = ROW_TYPE_INVALID;
1072       gtk_tree_model_get (priv->model, &iter,
1073                           TYPE_COLUMN, &type,
1074                           DATA_COLUMN, &data,
1075                           -1);
1076
1077       switch (type)
1078         {
1079         case ROW_TYPE_SPECIAL:
1080         case ROW_TYPE_SHORTCUT:
1081         case ROW_TYPE_BOOKMARK:
1082         case ROW_TYPE_CURRENT_FOLDER:
1083           if (data)
1084             pixbuf = gtk_file_system_render_icon (priv->fs, data,
1085                                                   GTK_WIDGET (button),
1086                                                   priv->icon_size, NULL);
1087           else
1088             pixbuf = gtk_icon_theme_load_icon (theme, FALLBACK_ICON_NAME,
1089                                                priv->icon_size, 0, NULL);
1090           break;
1091         case ROW_TYPE_VOLUME:
1092           if (data)
1093             pixbuf = gtk_file_system_volume_render_icon (priv->fs, data,
1094                                                          GTK_WIDGET (button),
1095                                                          priv->icon_size,
1096                                                          NULL);
1097           else
1098             pixbuf = gtk_icon_theme_load_icon (theme, FALLBACK_ICON_NAME,
1099                                                priv->icon_size, 0, NULL);
1100           break;
1101         default:
1102           continue;
1103           break;
1104         }
1105
1106       if (pixbuf)
1107         width = MAX (width, gdk_pixbuf_get_width (pixbuf));
1108
1109       gtk_list_store_set (GTK_LIST_STORE (priv->model), &iter,
1110                           ICON_COLUMN, pixbuf,
1111                           -1);
1112     }
1113   while (gtk_tree_model_iter_next (priv->model, &iter));
1114
1115   g_object_set (button->priv->icon_cell,
1116                 "width", width,
1117                 NULL);
1118 }
1119
1120 static void
1121 gtk_file_chooser_button_style_set (GtkWidget *widget,
1122                                    GtkStyle  *old_style)
1123 {
1124   GtkFileChooserButtonPrivate *priv;
1125
1126   if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->style_set)
1127     (*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->style_set) (widget,
1128                                                                            old_style);
1129
1130   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (widget);
1131
1132   if (gtk_widget_has_screen (widget))
1133     change_icon_theme (GTK_FILE_CHOOSER_BUTTON (widget));
1134 }
1135
1136 static void
1137 gtk_file_chooser_button_screen_changed (GtkWidget *widget,
1138                                         GdkScreen *old_screen)
1139 {
1140   if (GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->screen_changed)
1141     (*GTK_WIDGET_CLASS (gtk_file_chooser_button_parent_class)->screen_changed) (widget,
1142                                                                                 old_screen);
1143
1144   change_icon_theme (GTK_FILE_CHOOSER_BUTTON (widget));
1145 }
1146
1147
1148 /* ******************* *
1149  *  Utility Functions  *
1150  * ******************* */
1151
1152 /* General */
1153 static GtkIconTheme *
1154 get_icon_theme (GtkWidget *widget)
1155 {
1156   if (gtk_widget_has_screen (widget))
1157     return gtk_icon_theme_get_for_screen (gtk_widget_get_screen (widget));
1158
1159   return gtk_icon_theme_get_default ();
1160 }
1161
1162 static gchar *
1163 get_display_name_for_path (GtkFileSystem     *fs,
1164                            const GtkFilePath *path)
1165 {
1166   GtkFilePath *parent_path;
1167   GtkFileFolder *folder;
1168   gchar *retval;
1169
1170   parent_path = NULL;
1171   retval = NULL;
1172
1173   gtk_file_system_get_parent (fs, path, &parent_path, NULL);
1174
1175   folder = gtk_file_system_get_folder (fs, parent_path ? parent_path : path,
1176                                        GTK_FILE_INFO_DISPLAY_NAME, NULL);
1177
1178   if (folder)
1179     {
1180       GtkFileInfo *info;
1181
1182       info = gtk_file_folder_get_info (folder, path, NULL);
1183       g_object_unref (folder);
1184
1185       if (info)
1186         {
1187           retval = g_strdup (gtk_file_info_get_display_name (info));
1188           gtk_file_info_free (info);
1189         }
1190     }
1191
1192   if (parent_path)
1193     gtk_file_path_free (parent_path);
1194
1195   if (!retval)
1196     retval = g_strdup (_(FALLBACK_DISPLAY_NAME));
1197
1198   return retval;
1199 }
1200
1201 /* Shortcuts Model */
1202 static gint
1203 model_get_type_position (GtkFileChooserButton *button,
1204                          RowType               row_type)
1205 {
1206   gint retval = 0;
1207
1208   if (row_type == ROW_TYPE_SPECIAL)
1209     return retval;
1210
1211   retval += button->priv->n_special;
1212
1213   if (row_type == ROW_TYPE_VOLUME)
1214     return retval;
1215
1216   retval += button->priv->n_volumes;
1217
1218   if (row_type == ROW_TYPE_SHORTCUT)
1219     return retval;
1220
1221   retval += button->priv->n_shortcuts;
1222
1223   if (row_type == ROW_TYPE_BOOKMARK_SEPARATOR)
1224     return retval;
1225
1226   retval += button->priv->has_bookmark_separator;
1227
1228   if (row_type == ROW_TYPE_BOOKMARK)
1229     return retval;
1230
1231   retval += button->priv->n_bookmarks;
1232
1233   if (row_type == ROW_TYPE_CURRENT_FOLDER_SEPARATOR)
1234     return retval;
1235
1236   retval += button->priv->has_current_folder_separator;
1237
1238   if (row_type == ROW_TYPE_CURRENT_FOLDER)
1239     return retval;
1240
1241   retval += button->priv->has_current_folder;
1242
1243   if (row_type == ROW_TYPE_OTHER_SEPARATOR)
1244     return retval;
1245
1246   retval += button->priv->has_other_separator;
1247
1248   if (row_type == ROW_TYPE_OTHER)
1249     return retval;
1250
1251   g_assert_not_reached ();
1252   return -1;
1253 }
1254
1255 static void
1256 model_free_row_data (GtkFileChooserButton *button,
1257                      GtkTreeIter          *iter)
1258 {
1259   gchar type;
1260   gpointer data;
1261
1262   gtk_tree_model_get (button->priv->model, iter,
1263                       TYPE_COLUMN, &type,
1264                       DATA_COLUMN, &data,
1265                       -1);
1266
1267   switch (type)
1268     {
1269     case ROW_TYPE_SPECIAL:
1270     case ROW_TYPE_SHORTCUT:
1271     case ROW_TYPE_BOOKMARK:
1272     case ROW_TYPE_CURRENT_FOLDER:
1273       gtk_file_path_free (data);
1274       break;
1275     case ROW_TYPE_VOLUME:
1276       gtk_file_system_volume_free (button->priv->fs, data);
1277       break;
1278     default:
1279       break;
1280     }
1281 }
1282
1283 static inline void
1284 model_add_special (GtkFileChooserButton *button)
1285 {
1286   const gchar *homedir;
1287   gchar *desktopdir = NULL;
1288   GtkListStore *store;
1289   GtkTreeIter iter;
1290   GtkFilePath *path;
1291   GdkPixbuf *pixbuf;
1292   gint pos;
1293
1294   store = GTK_LIST_STORE (button->priv->model);
1295   pos = model_get_type_position (button, ROW_TYPE_SPECIAL);
1296
1297   homedir = g_get_home_dir ();
1298
1299   if (homedir)
1300     {
1301       path = gtk_file_system_filename_to_path (button->priv->fs, homedir);
1302       pixbuf = gtk_file_system_render_icon (button->priv->fs, path,
1303                                             GTK_WIDGET (button),
1304                                             button->priv->icon_size, NULL);
1305       gtk_list_store_insert (store, &iter, pos);
1306       pos++;
1307       gtk_list_store_set (store, &iter,
1308                           ICON_COLUMN, pixbuf,
1309                           DISPLAY_NAME_COLUMN, _(HOME_DISPLAY_NAME),
1310                           TYPE_COLUMN, ROW_TYPE_SPECIAL,
1311                           DATA_COLUMN, path,
1312                           -1);
1313
1314       g_object_unref (pixbuf);
1315       button->priv->n_special++;
1316
1317 #ifndef G_OS_WIN32
1318       desktopdir = g_build_filename (homedir, DESKTOP_DISPLAY_NAME, NULL);
1319 #endif
1320     }
1321
1322 #ifdef G_OS_WIN32
1323   desktopdir = _gtk_file_system_win32_get_desktop ();
1324 #endif
1325
1326   if (desktopdir)
1327     {
1328       path = gtk_file_system_filename_to_path (button->priv->fs, desktopdir);
1329       g_free (desktopdir);
1330       pixbuf = gtk_file_system_render_icon (button->priv->fs, path,
1331                                             GTK_WIDGET (button),
1332                                             button->priv->icon_size, NULL);
1333       gtk_list_store_insert (store, &iter, pos);
1334       pos++;
1335       gtk_list_store_set (store, &iter,
1336                           TYPE_COLUMN, ROW_TYPE_SPECIAL,
1337                           ICON_COLUMN, pixbuf,
1338                           DISPLAY_NAME_COLUMN, _(DESKTOP_DISPLAY_NAME),
1339                           DATA_COLUMN, path,
1340                           -1);
1341
1342       g_object_unref (pixbuf);
1343       button->priv->n_special++;
1344     }
1345 }
1346
1347 static void
1348 model_add_volumes (GtkFileChooserButton *button,
1349                    GSList               *volumes)
1350 {
1351   GtkListStore *store;
1352   gint pos;
1353
1354   if (!volumes)
1355     return;
1356
1357   store = GTK_LIST_STORE (button->priv->model);
1358   pos = model_get_type_position (button, ROW_TYPE_VOLUME);
1359
1360   do
1361     {
1362       GtkTreeIter iter;
1363       GdkPixbuf *pixbuf;
1364       gchar *display_name;
1365
1366       pixbuf = gtk_file_system_volume_render_icon (button->priv->fs,
1367                                                    volumes->data,
1368                                                    GTK_WIDGET (button),
1369                                                    button->priv->icon_size,
1370                                                    NULL);
1371       display_name = gtk_file_system_volume_get_display_name (button->priv->fs,
1372                                                               volumes->data);
1373
1374       gtk_list_store_insert (store, &iter, pos);
1375       gtk_list_store_set (store, &iter,
1376                           ICON_COLUMN, pixbuf,
1377                           DISPLAY_NAME_COLUMN, display_name,
1378                           TYPE_COLUMN, ROW_TYPE_VOLUME,
1379                           DATA_COLUMN, volumes->data,
1380                           -1);
1381
1382       g_object_unref (pixbuf);
1383       g_free (display_name);
1384
1385       button->priv->n_volumes++;
1386       pos++;
1387       volumes = volumes->next;
1388     }
1389   while (volumes);
1390 }
1391
1392 static void
1393 model_add_bookmarks (GtkFileChooserButton *button,
1394                      GSList               *bookmarks)
1395 {
1396   GtkListStore *store;
1397   GtkTreeIter iter;
1398   gint pos;
1399
1400   if (!bookmarks)
1401     return;
1402
1403   store = GTK_LIST_STORE (button->priv->model);
1404   pos = model_get_type_position (button, ROW_TYPE_BOOKMARK_SEPARATOR);
1405
1406   if (!button->priv->has_bookmark_separator)
1407     {
1408       gtk_list_store_insert (store, &iter, pos);
1409       gtk_list_store_set (store, &iter,
1410                           ICON_COLUMN, NULL,
1411                           DISPLAY_NAME_COLUMN, NULL,
1412                           TYPE_COLUMN, ROW_TYPE_BOOKMARK_SEPARATOR,
1413                           DATA_COLUMN, NULL,
1414                           -1);
1415       button->priv->has_bookmark_separator = TRUE;
1416     }
1417
1418   do
1419     {
1420       GdkPixbuf *pixbuf;
1421       gchar *display_name;
1422
1423       pos++;
1424       pixbuf = gtk_file_system_render_icon (button->priv->fs, bookmarks->data,
1425                                             GTK_WIDGET (button),
1426                                             button->priv->icon_size, NULL);
1427       display_name = get_display_name_for_path (button->priv->fs,
1428                                                 bookmarks->data);
1429
1430       gtk_list_store_insert (store, &iter, pos);
1431       gtk_list_store_set (store, &iter,
1432                           ICON_COLUMN, pixbuf,
1433                           DISPLAY_NAME_COLUMN, display_name,
1434                           TYPE_COLUMN, ROW_TYPE_BOOKMARK,
1435                           DATA_COLUMN, gtk_file_path_copy (bookmarks->data),
1436                           -1);
1437       if (pixbuf)
1438         g_object_unref (pixbuf);
1439       g_free (display_name);
1440
1441       button->priv->n_bookmarks++;
1442       bookmarks = bookmarks->next;
1443     }
1444   while (bookmarks);
1445 }
1446
1447 static void
1448 model_update_current_folder (GtkFileChooserButton *button,
1449                              const GtkFilePath    *path)
1450 {
1451   GtkListStore *store;
1452   GtkTreeIter iter;
1453   gint pos;
1454   GdkPixbuf *pixbuf;
1455   gchar *display_name;
1456
1457   if (!path)
1458     return;
1459
1460   store = GTK_LIST_STORE (button->priv->model);
1461
1462   if (!button->priv->has_current_folder_separator)
1463     {
1464       pos = model_get_type_position (button, ROW_TYPE_CURRENT_FOLDER_SEPARATOR);
1465       gtk_list_store_insert (store, &iter, pos);
1466       gtk_list_store_set (store, &iter,
1467                           ICON_COLUMN, NULL,
1468                           DISPLAY_NAME_COLUMN, NULL,
1469                           TYPE_COLUMN, ROW_TYPE_CURRENT_FOLDER_SEPARATOR,
1470                           DATA_COLUMN, NULL,
1471                           -1);
1472       button->priv->has_current_folder_separator = TRUE;
1473     }
1474
1475   pos = model_get_type_position (button, ROW_TYPE_CURRENT_FOLDER);
1476   if (!button->priv->has_current_folder)
1477     {
1478       gtk_list_store_insert (store, &iter, pos);
1479       button->priv->has_current_folder = TRUE;
1480     }
1481   else
1482     {
1483       gtk_tree_model_iter_nth_child (button->priv->model, &iter, NULL, pos);
1484       model_free_row_data (button, &iter);
1485     }
1486
1487   pixbuf = gtk_file_system_render_icon (button->priv->fs, path,
1488                                         GTK_WIDGET (button),
1489                                         button->priv->icon_size, NULL);
1490   display_name = get_display_name_for_path (button->priv->fs, path);
1491   gtk_list_store_set (store, &iter,
1492                       ICON_COLUMN, pixbuf,
1493                       DISPLAY_NAME_COLUMN, display_name,
1494                       TYPE_COLUMN, ROW_TYPE_CURRENT_FOLDER,
1495                       DATA_COLUMN, gtk_file_path_copy (path),
1496                       -1);
1497   if (pixbuf)
1498     g_object_unref (pixbuf);
1499   g_free (display_name);
1500 }
1501
1502 static inline void
1503 model_add_other (GtkFileChooserButton *button)
1504 {
1505   GtkListStore *store;
1506   GtkTreeIter iter;
1507   gint pos;
1508
1509   store = GTK_LIST_STORE (button->priv->model);
1510   pos = model_get_type_position (button, ROW_TYPE_OTHER_SEPARATOR);
1511
1512   gtk_list_store_insert (store, &iter, pos);
1513   gtk_list_store_set (store, &iter,
1514                       ICON_COLUMN, NULL,
1515                       DISPLAY_NAME_COLUMN, NULL,
1516                       TYPE_COLUMN, ROW_TYPE_OTHER_SEPARATOR,
1517                       DATA_COLUMN, NULL,
1518                       -1);
1519   button->priv->has_other_separator = TRUE;
1520   pos++;
1521
1522   gtk_list_store_insert (store, &iter, pos);
1523   gtk_list_store_set (store, &iter,
1524                       ICON_COLUMN, NULL,
1525                       DISPLAY_NAME_COLUMN, _("Other..."),
1526                       TYPE_COLUMN, ROW_TYPE_OTHER,
1527                       DATA_COLUMN, NULL,
1528                       -1);
1529 }
1530
1531 static void
1532 model_remove_rows (GtkFileChooserButton *button,
1533                    gint                  pos,
1534                    gint                  n_rows)
1535 {
1536   GtkListStore *store;
1537
1538   if (!n_rows)
1539     return;
1540
1541   store = GTK_LIST_STORE (button->priv->model);
1542
1543   do
1544     {
1545       GtkTreeIter iter;
1546
1547       if (!gtk_tree_model_iter_nth_child (button->priv->model, &iter, NULL, pos))
1548         g_assert_not_reached ();
1549
1550       model_free_row_data (button, &iter);
1551       gtk_list_store_remove (store, &iter);
1552       n_rows--;
1553     }
1554   while (n_rows);
1555 }
1556
1557 /* Filter Model */
1558 static inline gboolean
1559 test_if_path_is_visible (GtkFileSystem     *fs,
1560                          const GtkFilePath *path,
1561                          gboolean           local_only)
1562 {
1563   GtkFilePath *parent_path;
1564   GtkFileFolder *folder;
1565   GtkFileInfo *info;
1566
1567   if (!path)
1568     return FALSE;
1569
1570   if (local_only && !gtk_file_system_path_is_local (fs, path))
1571     return FALSE;
1572
1573   parent_path = NULL;
1574   gtk_file_system_get_parent (fs, path, &parent_path, NULL);
1575
1576   folder = gtk_file_system_get_folder (fs, parent_path ? parent_path : path,
1577                                        GTK_FILE_INFO_IS_FOLDER, NULL);
1578   gtk_file_path_free (parent_path);
1579
1580   if (folder)
1581     {
1582       info = gtk_file_folder_get_info (folder, path, NULL);
1583       g_object_unref (folder);
1584     }
1585   else
1586     info = NULL;
1587
1588   if (!info)
1589     return FALSE;
1590   else if (!gtk_file_info_get_is_folder (info))
1591     {
1592       gtk_file_info_free (info);
1593       return FALSE;
1594     }
1595
1596   gtk_file_info_free (info);
1597
1598   return TRUE;
1599 }
1600
1601 static gboolean
1602 filter_model_visible_func (GtkTreeModel *model,
1603                            GtkTreeIter  *iter,
1604                            gpointer      user_data)
1605 {
1606   GtkFileChooserButtonPrivate *priv;
1607   gchar type;
1608   gpointer data;
1609   gboolean local_only, retval;
1610
1611   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
1612   type = ROW_TYPE_INVALID;
1613   data = NULL;
1614   local_only = gtk_file_chooser_get_local_only (GTK_FILE_CHOOSER (priv->dialog));
1615
1616   gtk_tree_model_get (model, iter,
1617                       TYPE_COLUMN, &type,
1618                       DATA_COLUMN, &data,
1619                       -1);
1620
1621   switch (type)
1622     {
1623     case ROW_TYPE_CURRENT_FOLDER:
1624       retval = TRUE;
1625       break;
1626     case ROW_TYPE_SPECIAL:
1627     case ROW_TYPE_SHORTCUT:
1628     case ROW_TYPE_BOOKMARK:
1629       retval = test_if_path_is_visible (priv->fs, data, local_only);
1630       break;
1631     case ROW_TYPE_VOLUME:
1632       {
1633         GtkFilePath *base_path;
1634
1635         base_path = gtk_file_system_volume_get_base_path (priv->fs, data);
1636         if (base_path)
1637           {
1638             retval = (!local_only ||
1639                       gtk_file_system_path_is_local (priv->fs, base_path));
1640             gtk_file_path_free (base_path);
1641           }
1642         else
1643           retval = FALSE;
1644       }
1645       break;
1646     default:
1647       retval = TRUE;
1648       break;
1649     }
1650
1651   return retval;
1652 }
1653
1654 /* Combo Box */
1655 static void
1656 name_cell_data_func (GtkCellLayout   *layout,
1657                      GtkCellRenderer *cell,
1658                      GtkTreeModel    *model,
1659                      GtkTreeIter     *iter,
1660                      gpointer         user_data)
1661 {
1662   gchar type;
1663
1664   type = 0;
1665   gtk_tree_model_get (model, iter,
1666                       TYPE_COLUMN, &type,
1667                       -1);
1668
1669   if (type == ROW_TYPE_CURRENT_FOLDER)
1670     g_object_set (cell, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
1671   else
1672     g_object_set (cell, "ellipsize", PANGO_ELLIPSIZE_NONE, NULL);
1673 }
1674
1675 static gboolean
1676 combo_box_row_separator_func (GtkTreeModel *model,
1677                               GtkTreeIter  *iter,
1678                               gpointer      user_data)
1679 {
1680   gchar type = ROW_TYPE_INVALID;
1681
1682   gtk_tree_model_get (model, iter, TYPE_COLUMN, &type, -1);
1683
1684   return (type == ROW_TYPE_BOOKMARK_SEPARATOR ||
1685           type == ROW_TYPE_CURRENT_FOLDER_SEPARATOR ||
1686           type == ROW_TYPE_OTHER_SEPARATOR);
1687 }
1688
1689 static void
1690 update_combo_box (GtkFileChooserButton *button)
1691 {
1692   GtkFileChooserButtonPrivate *priv;
1693   GSList *paths;
1694   GtkTreeIter iter;
1695   gboolean row_found;
1696
1697   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (button);
1698
1699   g_assert (gtk_tree_model_get_iter_first (priv->filter_model, &iter));
1700
1701   paths = _gtk_file_chooser_get_paths (GTK_FILE_CHOOSER (priv->dialog));
1702
1703   row_found = FALSE;
1704
1705   do
1706     {
1707       gchar type;
1708       gpointer data;
1709
1710       type = ROW_TYPE_INVALID;
1711       data = NULL;
1712
1713       gtk_tree_model_get (priv->filter_model, &iter,
1714                           TYPE_COLUMN, &type,
1715                           DATA_COLUMN, &data,
1716                           -1);
1717
1718       switch (type)
1719         {
1720         case ROW_TYPE_SPECIAL:
1721         case ROW_TYPE_SHORTCUT:
1722         case ROW_TYPE_BOOKMARK:
1723         case ROW_TYPE_CURRENT_FOLDER:
1724           row_found = (paths &&
1725                        paths->data &&
1726                        gtk_file_path_compare (data, paths->data) == 0);
1727           break;
1728         case ROW_TYPE_VOLUME:
1729           {
1730             GtkFilePath *base_path;
1731
1732             base_path = gtk_file_system_volume_get_base_path (priv->fs, data);
1733             row_found = (paths &&
1734                          paths->data &&
1735                          gtk_file_path_compare (base_path, paths->data) == 0);
1736             gtk_file_path_free (base_path);
1737           }
1738           break;
1739         default:
1740           row_found = FALSE;
1741           break;
1742         }
1743
1744       if (row_found)
1745         {
1746           g_signal_handler_block (priv->combo_box, priv->combo_box_changed_id);
1747           gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->combo_box),
1748                                          &iter);
1749           g_signal_handler_unblock (priv->combo_box,
1750                                     priv->combo_box_changed_id);
1751         }
1752     }
1753   while (!row_found && gtk_tree_model_iter_next (priv->filter_model, &iter));
1754
1755   /* If it hasn't been found already, update & select the current-folder row. */
1756   if (!row_found && paths && paths->data)
1757     {
1758       GtkTreeIter filter_iter;
1759       gint pos;
1760
1761       model_update_current_folder (button, paths->data);
1762       gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
1763
1764       pos = model_get_type_position (button, ROW_TYPE_CURRENT_FOLDER);
1765       g_assert (gtk_tree_model_iter_nth_child (priv->model, &iter, NULL, pos));
1766
1767       gtk_tree_model_filter_convert_child_iter_to_iter (GTK_TREE_MODEL_FILTER (priv->filter_model),
1768                                                         &filter_iter, &iter);
1769
1770       g_signal_handler_block (priv->combo_box, priv->combo_box_changed_id);
1771       gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->combo_box), &filter_iter);
1772       g_signal_handler_unblock (priv->combo_box, priv->combo_box_changed_id);
1773     }
1774
1775   gtk_file_paths_free (paths);
1776 }
1777
1778 /* Button */
1779 static void
1780 update_label_and_image (GtkFileChooserButton *button)
1781 {
1782   GtkFileChooserButtonPrivate *priv;
1783   GdkPixbuf *pixbuf;
1784   gchar *label_text;
1785   GSList *paths;
1786
1787   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (button);
1788   paths = _gtk_file_chooser_get_paths (GTK_FILE_CHOOSER (button->priv->dialog));
1789   label_text = NULL;
1790   pixbuf = NULL;
1791
1792   if (paths)
1793     {
1794       GtkFilePath *path, *parent_path;
1795       GtkFileSystemVolume *volume;
1796       GtkFileFolder *folder;
1797
1798       path = paths->data;
1799
1800       volume = gtk_file_system_get_volume_for_path (priv->fs, path);
1801       if (volume)
1802         {
1803           GtkFilePath *base_path;
1804
1805           base_path = gtk_file_system_volume_get_base_path (priv->fs, volume);
1806           if (base_path && gtk_file_path_compare (base_path, path) == 0)
1807             {
1808               label_text = gtk_file_system_volume_get_display_name (priv->fs,
1809                                                                     volume);
1810               pixbuf = gtk_file_system_volume_render_icon (priv->fs, volume,
1811                                                            GTK_WIDGET (button),
1812                                                            priv->icon_size,
1813                                                            NULL);
1814             }
1815
1816           if (base_path)
1817             gtk_file_path_free (base_path);
1818
1819           gtk_file_system_volume_free (priv->fs, volume);
1820
1821           if (label_text)
1822             goto out;
1823         }
1824
1825       if (!pixbuf)
1826         pixbuf = gtk_file_system_render_icon (priv->fs, path,
1827                                               GTK_WIDGET (button),
1828                                               priv->icon_size, NULL);
1829
1830       parent_path = NULL;
1831       gtk_file_system_get_parent (priv->fs, path, &parent_path, NULL);
1832
1833       folder = gtk_file_system_get_folder (priv->fs,
1834                                            parent_path ? parent_path : path,
1835                                            GTK_FILE_INFO_DISPLAY_NAME, NULL);
1836       gtk_file_path_free (parent_path);
1837
1838       if (folder)
1839         {
1840           GtkFileInfo *info;
1841
1842           info = gtk_file_folder_get_info (folder, path, NULL);
1843           g_object_unref (folder);
1844
1845           if (info)
1846             {
1847               label_text = g_strdup (gtk_file_info_get_display_name (info));
1848               gtk_file_info_free (info);
1849             }
1850         }
1851
1852      out:
1853       gtk_file_paths_free (paths);
1854     }
1855
1856   if (label_text)
1857     {
1858       gtk_label_set_text (GTK_LABEL (priv->label), label_text);
1859       g_free (label_text);
1860     }
1861   else
1862     gtk_label_set_text (GTK_LABEL (priv->label), _(FALLBACK_DISPLAY_NAME));
1863
1864   if (!pixbuf)
1865     pixbuf = gtk_icon_theme_load_icon (get_icon_theme (GTK_WIDGET (button)),
1866                                        FALLBACK_ICON_NAME,
1867                                        priv->icon_size, 0, NULL);
1868
1869   gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), pixbuf);
1870   if (pixbuf)
1871     g_object_unref (pixbuf);
1872 }
1873
1874
1875 /* ************************ *
1876  *  Child Object Callbacks  *
1877  * ************************ */
1878
1879 /* File System */
1880 static void
1881 fs_volumes_changed_cb (GtkFileSystem *fs,
1882                        gpointer       user_data)
1883 {
1884   GtkFileChooserButtonPrivate *priv;
1885   GSList *volumes;
1886
1887   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
1888
1889   model_remove_rows (user_data,
1890                      model_get_type_position (user_data, ROW_TYPE_VOLUME),
1891                      priv->n_volumes);
1892
1893   priv->n_volumes = 0;
1894
1895   volumes = gtk_file_system_list_volumes (fs);
1896   model_add_volumes (user_data, volumes);
1897   g_slist_free (volumes);
1898
1899   gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
1900
1901   update_label_and_image (user_data);
1902   update_combo_box (user_data);
1903 }
1904
1905 static void
1906 fs_bookmarks_changed_cb (GtkFileSystem *fs,
1907                          gpointer       user_data)
1908 {
1909   GtkFileChooserButtonPrivate *priv;
1910   GSList *bookmarks;
1911
1912   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
1913
1914   bookmarks = gtk_file_system_list_bookmarks (fs);
1915   if (!bookmarks)
1916     {
1917       model_remove_rows (user_data,
1918                          model_get_type_position (user_data,
1919                                                   ROW_TYPE_BOOKMARK_SEPARATOR),
1920                          (priv->n_bookmarks + priv->has_bookmark_separator));
1921       priv->has_bookmark_separator = FALSE;
1922     }
1923   else
1924     model_remove_rows (user_data,
1925                        model_get_type_position (user_data, ROW_TYPE_BOOKMARK),
1926                        priv->n_bookmarks);
1927
1928   priv->n_bookmarks = 0;
1929   model_add_bookmarks (user_data, bookmarks);
1930   gtk_file_paths_free (bookmarks);
1931
1932   gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
1933
1934   update_label_and_image (user_data);
1935   update_combo_box (user_data);
1936 }
1937
1938 /* Dialog */
1939 static void
1940 open_dialog (GtkFileChooserButton *button)
1941 {
1942   GtkFileChooserButtonPrivate *priv;
1943
1944   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (button);
1945
1946   /* Setup the dialog parent to be chooser button's toplevel, and be modal
1947      as needed. */
1948   if (!GTK_WIDGET_VISIBLE (priv->dialog))
1949     {
1950       GtkWidget *toplevel;
1951
1952       toplevel = gtk_widget_get_toplevel (GTK_WIDGET (button));
1953
1954       if (GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel))
1955         {
1956           if (GTK_WINDOW (toplevel) != gtk_window_get_transient_for (GTK_WINDOW (priv->dialog)))
1957             gtk_window_set_transient_for (GTK_WINDOW (priv->dialog),
1958                                           GTK_WINDOW (toplevel));
1959
1960           gtk_window_set_modal (GTK_WINDOW (priv->dialog),
1961                                 gtk_window_get_modal (GTK_WINDOW (toplevel)));
1962         }
1963     }
1964
1965   if (!priv->active)
1966     {
1967       GSList *paths;
1968
1969       g_signal_handler_block (priv->dialog,
1970                               priv->dialog_folder_changed_id);
1971       g_signal_handler_block (priv->dialog,
1972                               priv->dialog_file_activated_id);
1973       g_signal_handler_block (priv->dialog,
1974                               priv->dialog_selection_changed_id);
1975       paths = _gtk_file_chooser_get_paths (GTK_FILE_CHOOSER (priv->dialog));
1976       if (paths)
1977         {
1978           if (paths->data)
1979             priv->old_path = gtk_file_path_copy (paths->data);
1980
1981           gtk_file_paths_free (paths);
1982         }
1983
1984       priv->active = TRUE;
1985     }
1986
1987   gtk_widget_set_sensitive (priv->combo_box, FALSE);
1988   gtk_window_present (GTK_WINDOW (priv->dialog));
1989 }
1990
1991 /* Combo Box */
1992 static void
1993 combo_box_changed_cb (GtkComboBox *combo_box,
1994                       gpointer     user_data)
1995 {
1996   GtkTreeIter iter;
1997
1998   if (gtk_combo_box_get_active_iter (combo_box, &iter))
1999     {
2000       GtkFileChooserButtonPrivate *priv;
2001       gchar type;
2002       gpointer data;
2003
2004       priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
2005
2006       type = ROW_TYPE_INVALID;
2007       data = NULL;
2008
2009       gtk_tree_model_get (priv->filter_model, &iter,
2010                           TYPE_COLUMN, &type,
2011                           DATA_COLUMN, &data,
2012                           -1);
2013
2014       switch (type)
2015         {
2016         case ROW_TYPE_SPECIAL:
2017         case ROW_TYPE_SHORTCUT:
2018         case ROW_TYPE_BOOKMARK:
2019         case ROW_TYPE_CURRENT_FOLDER:
2020           gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER (priv->dialog));
2021           if (data)
2022             _gtk_file_chooser_set_current_folder_path (GTK_FILE_CHOOSER (priv->dialog),
2023                                                        data, NULL);
2024           break;
2025         case ROW_TYPE_VOLUME:
2026           {
2027             GtkFilePath *base_path;
2028
2029             gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER (priv->dialog));
2030             base_path = gtk_file_system_volume_get_base_path (priv->fs, data);
2031             if (base_path)
2032               {
2033                 _gtk_file_chooser_set_current_folder_path (GTK_FILE_CHOOSER (priv->dialog),
2034                                                            base_path, NULL);
2035                 gtk_file_path_free (base_path);
2036               }
2037           }
2038           break;
2039         case ROW_TYPE_OTHER:
2040           open_dialog (user_data);
2041           break;
2042         default:
2043           break;
2044         }
2045     }
2046 }
2047
2048 /* Button */
2049 static void
2050 button_clicked_cb (GtkButton *real_button,
2051                    gpointer   user_data)
2052 {
2053   open_dialog (user_data);
2054 }
2055
2056 /* Dialog */
2057 static void
2058 dialog_current_folder_changed_cb (GtkFileChooser *dialog,
2059                                   gpointer        user_data)
2060 {
2061   g_signal_emit_by_name (user_data, "current-folder-changed");
2062 }
2063
2064 static void
2065 dialog_file_activated_cb (GtkFileChooser *dialog,
2066                           gpointer        user_data)
2067 {
2068   g_signal_emit_by_name (user_data, "file-activated");
2069 }
2070
2071 static void
2072 dialog_selection_changed_cb (GtkFileChooser *dialog,
2073                              gpointer        user_data)
2074 {
2075   update_label_and_image (user_data);
2076   update_combo_box (user_data);
2077   g_signal_emit_by_name (user_data, "selection-changed");
2078 }
2079
2080 static void
2081 dialog_update_preview_cb (GtkFileChooser *dialog,
2082                           gpointer        user_data)
2083 {
2084   g_signal_emit_by_name (user_data, "update-preview");
2085 }
2086
2087 static void
2088 dialog_notify_cb (GObject    *dialog,
2089                   GParamSpec *pspec,
2090                   gpointer    user_data)
2091 {
2092   gpointer iface;
2093
2094   iface = g_type_interface_peek (g_type_class_peek (G_OBJECT_TYPE (dialog)),
2095                                  GTK_TYPE_FILE_CHOOSER);
2096   if (g_object_interface_find_property (iface, pspec->name))
2097     g_object_notify (user_data, pspec->name);
2098
2099   if (g_ascii_strcasecmp (pspec->name, "local-only") == 0)
2100     {
2101       GtkFileChooserButtonPrivate *priv;
2102
2103       priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
2104
2105       if (priv->has_current_folder)
2106         {
2107           GtkTreeIter iter;
2108           gint pos;
2109           gpointer data;
2110
2111           pos = model_get_type_position (user_data,
2112                                          ROW_TYPE_CURRENT_FOLDER);
2113           g_assert (gtk_tree_model_iter_nth_child (priv->model, &iter, NULL, pos));
2114
2115           data = NULL;
2116           gtk_tree_model_get (priv->model, &iter, DATA_COLUMN, &data, -1);
2117
2118           /* If the path isn't local but we're in local-only mode now, remove
2119            * the custom-folder row */
2120           if (data &&
2121               (!gtk_file_system_path_is_local (priv->fs, data) &&
2122                gtk_file_chooser_get_local_only (GTK_FILE_CHOOSER (priv->dialog))))
2123             {
2124               pos--;
2125               model_remove_rows (user_data, pos, 2);
2126             }
2127         }
2128
2129       gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter_model));
2130       update_combo_box (user_data);
2131     }
2132 }
2133
2134 static gboolean
2135 dialog_delete_event_cb (GtkWidget *dialog,
2136                         GdkEvent  *event,
2137                         gpointer   user_data)
2138 {
2139   g_signal_emit_by_name (dialog, "response", GTK_RESPONSE_DELETE_EVENT);
2140
2141   return TRUE;
2142 }
2143
2144 static void
2145 dialog_response_cb (GtkDialog *dialog,
2146                     gint       response,
2147                     gpointer   user_data)
2148 {
2149   GtkFileChooserButtonPrivate *priv;
2150
2151   priv = GTK_FILE_CHOOSER_BUTTON_GET_PRIVATE (user_data);
2152
2153   if (response == GTK_RESPONSE_ACCEPT)
2154     {
2155       g_signal_emit_by_name (user_data, "current-folder-changed");
2156       g_signal_emit_by_name (user_data, "selection-changed");
2157     }
2158   else if (priv->old_path)
2159     {
2160       switch (gtk_file_chooser_get_action (GTK_FILE_CHOOSER (dialog)))
2161         {
2162         case GTK_FILE_CHOOSER_ACTION_OPEN:
2163           _gtk_file_chooser_select_path (GTK_FILE_CHOOSER (dialog), priv->old_path,
2164                                          NULL);
2165           break;
2166         case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
2167           _gtk_file_chooser_set_current_folder_path (GTK_FILE_CHOOSER (dialog),
2168                                                      priv->old_path, NULL);
2169           break;
2170         default:
2171           g_assert_not_reached ();
2172           break;
2173         }
2174     }
2175   else
2176     gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER (dialog));
2177
2178   if (priv->old_path)
2179     {
2180       gtk_file_path_free (priv->old_path);
2181       priv->old_path = NULL;
2182     }
2183
2184   update_label_and_image (user_data);
2185   update_combo_box (user_data);
2186
2187   if (priv->active)
2188     {
2189       g_signal_handler_unblock (priv->dialog,
2190                                 priv->dialog_folder_changed_id);
2191       g_signal_handler_unblock (priv->dialog,
2192                                 priv->dialog_file_activated_id);
2193       g_signal_handler_unblock (priv->dialog,
2194                                 priv->dialog_selection_changed_id);
2195       priv->active = FALSE;
2196     }
2197
2198   gtk_widget_set_sensitive (priv->combo_box, TRUE);
2199   gtk_widget_hide (priv->dialog);
2200 }
2201
2202
2203 /* ************************************************************************** *
2204  *  Public API                                                                *
2205  * ************************************************************************** */
2206
2207 /**
2208  * gtk_file_chooser_button_new:
2209  * @title: the title of the browse dialog.
2210  * @action: the open mode for the widget.
2211  *
2212  * Creates a new file-selecting button widget.
2213  *
2214  * Returns: a new button widget.
2215  *
2216  * Since: 2.6
2217  **/
2218 GtkWidget *
2219 gtk_file_chooser_button_new (const gchar          *title,
2220                              GtkFileChooserAction  action)
2221 {
2222   g_return_val_if_fail (action == GTK_FILE_CHOOSER_ACTION_OPEN ||
2223                         action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER, NULL);
2224
2225   return g_object_new (GTK_TYPE_FILE_CHOOSER_BUTTON,
2226                        "action", action,
2227                        "title", (title ? title : _(DEFAULT_TITLE)),
2228                        NULL);
2229 }
2230
2231 /**
2232  * gtk_file_chooser_button_new_with_backend:
2233  * @title: the title of the browse dialog.
2234  * @action: the open mode for the widget.
2235  * @backend: the name of the #GtkFileSystem backend to use.
2236  *
2237  * Creates a new file-selecting button widget using @backend.
2238  *
2239  * Returns: a new button widget.
2240  *
2241  * Since: 2.6
2242  **/
2243 GtkWidget *
2244 gtk_file_chooser_button_new_with_backend (const gchar          *title,
2245                                           GtkFileChooserAction  action,
2246                                           const gchar          *backend)
2247 {
2248   g_return_val_if_fail (action == GTK_FILE_CHOOSER_ACTION_OPEN ||
2249                         action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER, NULL);
2250
2251   return g_object_new (GTK_TYPE_FILE_CHOOSER_BUTTON,
2252                        "action", action,
2253                        "title", (title ? title : _(DEFAULT_TITLE)),
2254                        "file-system-backend", backend,
2255                        NULL);
2256 }
2257
2258 /**
2259  * gtk_file_chooser_button_new_with_dialog:
2260  * @dialog: the #GtkFileChooserDialog widget to use.
2261  *
2262  * Creates a #GtkFileChooserButton widget which uses @dialog as it's
2263  * file-picking window. Note that @dialog must be a #GtkFileChooserDialog (or
2264  * subclass).
2265  *
2266  * Returns: a new button widget.
2267  *
2268  * Since: 2.6
2269  **/
2270 GtkWidget *
2271 gtk_file_chooser_button_new_with_dialog (GtkWidget *dialog)
2272 {
2273   g_return_val_if_fail (GTK_IS_FILE_CHOOSER_DIALOG (dialog), NULL);
2274
2275   return g_object_new (GTK_TYPE_FILE_CHOOSER_BUTTON,
2276                        "dialog", dialog,
2277                        NULL);
2278 }
2279
2280 /**
2281  * gtk_file_chooser_button_set_title:
2282  * @button: the button widget to modify.
2283  * @title: the new browse dialog title.
2284  *
2285  * Modifies the @title of the browse dialog used by @button.
2286  *
2287  * Since: 2.6
2288  **/
2289 void
2290 gtk_file_chooser_button_set_title (GtkFileChooserButton *button,
2291                                    const gchar          *title)
2292 {
2293   g_return_if_fail (GTK_IS_FILE_CHOOSER_BUTTON (button));
2294
2295   gtk_window_set_title (GTK_WINDOW (button->priv->dialog), title);
2296   g_object_notify (G_OBJECT (button), "title");
2297 }
2298
2299 /**
2300  * gtk_file_chooser_button_get_title:
2301  * @button: the button widget to examine.
2302  *
2303  * Retrieves the title of the browse dialog used by @button. The returned value
2304  * should not be modified or freed.
2305  *
2306  * Returns: a pointer to the browse dialog's title.
2307  *
2308  * Since: 2.6
2309  **/
2310 G_CONST_RETURN gchar *
2311 gtk_file_chooser_button_get_title (GtkFileChooserButton *button)
2312 {
2313   g_return_val_if_fail (GTK_IS_FILE_CHOOSER_BUTTON (button), NULL);
2314
2315   return gtk_window_get_title (GTK_WINDOW (button->priv->dialog));
2316 }
2317
2318 /**
2319  * gtk_file_chooser_button_get_width_chars:
2320  * @button: the button widget to examine.
2321  *
2322  * Retrieves the width in characters of the @button widget's entry and/or label.
2323  *
2324  * Returns: an integer width (in characters) that the button will use to size itself.
2325  *
2326  * Since: 2.6
2327  **/
2328 gint
2329 gtk_file_chooser_button_get_width_chars (GtkFileChooserButton *button)
2330 {
2331   g_return_val_if_fail (GTK_IS_FILE_CHOOSER_BUTTON (button), -1);
2332
2333   return gtk_label_get_width_chars (GTK_LABEL (button->priv->label));
2334 }
2335
2336 /**
2337  * gtk_file_chooser_button_set_width_chars:
2338  * @button: the button widget to examine.
2339  * @n_chars: the new width, in characters.
2340  *
2341  * Sets the width (in characters) that @button will use to @n_chars.
2342  *
2343  * Since: 2.6
2344  **/
2345 void
2346 gtk_file_chooser_button_set_width_chars (GtkFileChooserButton *button,
2347                                          gint                  n_chars)
2348 {
2349   g_return_if_fail (GTK_IS_FILE_CHOOSER_BUTTON (button));
2350
2351   gtk_label_set_width_chars (GTK_LABEL (button->priv->label), n_chars);
2352   g_object_notify (G_OBJECT (button), "width-chars");
2353 }
2354
2355 #define __GTK_FILE_CHOOSER_BUTTON_C__
2356 #include "gtkaliasdef.c"