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

   1 /*
   2  * gtkappchooserbutton.h: an app-chooser combobox
   3  *
   4  * Copyright (C) 2010 Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with the Gnome Library; see the file COPYING.LIB.  If not,
  18  * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Cosimo Cecchi <ccecchi@redhat.com>
  22  */
  23
  24 /**
  25  * SECTION:gtkappchooserbutton
  26  * @Title: GtkAppChooserButton
  27  * @Short_description: A button to launch an application chooser dialog
  28  *
  29  * The #GtkAppChooserButton is a widget that lets the user select
  30  * an application. It implements the #GtkAppChooser interface.
  31  */
  32 #include "config.h"
  33
  34 #include "gtkappchooserbutton.h"
  35
  36 #include "gtkappchooser.h"
  37 #include "gtkappchooserdialog.h"
  38 #include "gtkappchooserprivate.h"
  39 #include "gtkcelllayout.h"
  40 #include "gtkcellrendererpixbuf.h"
  41 #include "gtkcellrenderertext.h"
  42 #include "gtkcombobox.h"
  43 #include "gtkdialog.h"
  44 #include "gtkintl.h"
  45 #include "gtkmarshalers.h"
  46
  47 enum {
  48   PROP_CONTENT_TYPE = 1,
  49   PROP_SHOW_DIALOG_ITEM,
  50 };
  51
  52 enum {
  53   SIGNAL_CUSTOM_ITEM_ACTIVATED,
  54   NUM_SIGNALS
  55 };
  56
  57 enum {
  58   COLUMN_APP_INFO,
  59   COLUMN_NAME,
  60   COLUMN_LABEL,
  61   COLUMN_ICON,
  62   COLUMN_CUSTOM,
  63   COLUMN_SEPARATOR,
  64   NUM_COLUMNS,
  65 };
  66
  67 #define CUSTOM_ITEM_OTHER_APP "gtk-internal-item-other-app"
  68
  69 static void app_chooser_iface_init (GtkAppChooserIface *iface);
  70
  71 static void real_insert_custom_item (GtkAppChooserButton *self,
  72                                      const gchar *name,
  73                                      const gchar *label,
  74                                      GIcon *icon,
  75                                      gboolean custom,
  76                                      GtkTreeIter *iter);
  77
  78 static void real_insert_separator (GtkAppChooserButton *self,
  79                                    gboolean custom,
  80                                    GtkTreeIter *iter);
  81
  82 static guint signals[NUM_SIGNALS] = { 0, };
  83
  84 G_DEFINE_TYPE_WITH_CODE (GtkAppChooserButton, gtk_app_chooser_button, GTK_TYPE_COMBO_BOX,
  85                          G_IMPLEMENT_INTERFACE (GTK_TYPE_APP_CHOOSER,
  86                                                 app_chooser_iface_init));
  87
  88 struct _GtkAppChooserButtonPrivate {
  89   GtkListStore *store;
  90
  91   gchar *content_type;
  92   gboolean show_dialog_item;
  93
  94   GHashTable *custom_item_names;
  95 };
  96
  97 static gboolean
  98 row_separator_func (GtkTreeModel *model,
  99                     GtkTreeIter  *iter,
 100                     gpointer      user_data)
 101 {
 102   gboolean separator;
 103
 104   gtk_tree_model_get (model, iter,
 105                       COLUMN_SEPARATOR, &separator,
 106                       -1);
 107
 108   return separator;
 109 }
 110
 111 static void
 112 get_first_iter (GtkListStore *store,
 113                 GtkTreeIter  *iter)
 114 {
 115   GtkTreeIter iter2;
 116
 117   if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), iter))
 118     {
 119       /* the model is empty, append */
 120       gtk_list_store_append (store, iter);
 121     }
 122   else
 123     {
 124       gtk_list_store_insert_before (store, &iter2, iter);
 125       *iter = iter2;
 126     }
 127 }
 128
 129 typedef struct {
 130   GtkAppChooserButton *self;
 131   GAppInfo *info;
 132   gint active_index;
 133 } SelectAppData;
 134
 135 static void
 136 select_app_data_free (SelectAppData *data)
 137 {
 138   g_clear_object (&data->self);
 139   g_clear_object (&data->info);
 140
 141   g_slice_free (SelectAppData, data);
 142 }
 143
 144 static gboolean
 145 select_application_func_cb (GtkTreeModel *model,
 146                             GtkTreePath *path,
 147                             GtkTreeIter *iter,
 148                             gpointer user_data)
 149 {
 150   SelectAppData *data = user_data;
 151   GAppInfo *app_to_match = data->info, *app = NULL;
 152   gboolean custom;
 153
 154   gtk_tree_model_get (model, iter,
 155                       COLUMN_APP_INFO, &app,
 156                       COLUMN_CUSTOM, &custom,
 157                       -1);
 158
 159   /* cutsom items are always after GAppInfos, so iterating further here
 160    * is just useless.
 161    */
 162   if (custom)
 163     return TRUE;
 164
 165   if (g_app_info_equal (app, app_to_match))
 166     {
 167       gtk_combo_box_set_active_iter (GTK_COMBO_BOX (data->self), iter);
 168       return TRUE;
 169     }
 170
 171   return FALSE;
 172 }
 173
 174 static void
 175 gtk_app_chooser_button_select_application (GtkAppChooserButton *self,
 176                                            GAppInfo *info)
 177 {
 178   SelectAppData *data;
 179
 180   data = g_slice_new0 (SelectAppData);
 181   data->self = g_object_ref (self);
 182   data->info = g_object_ref (info);
 183
 184   gtk_tree_model_foreach (GTK_TREE_MODEL (self->priv->store),
 185                           select_application_func_cb, data);
 186
 187   select_app_data_free (data);
 188 }
 189
 190 static void
 191 other_application_dialog_response_cb (GtkDialog *dialog,
 192                                       gint response_id,
 193                                       gpointer user_data)
 194 {
 195   GtkAppChooserButton *self = user_data;
 196   GAppInfo *info;
 197
 198   if (response_id != GTK_RESPONSE_OK)
 199     {
 200       /* reset the active item, otherwise we are stuck on
 201        * 'Other application...'
 202        */
 203       gtk_combo_box_set_active (GTK_COMBO_BOX (self), 0);
 204       gtk_widget_destroy (GTK_WIDGET (dialog));
 205       return;
 206     }
 207
 208   info = gtk_app_chooser_get_app_info (GTK_APP_CHOOSER (dialog));
 209
 210   /* refresh the combobox to get the new application */
 211   gtk_app_chooser_refresh (GTK_APP_CHOOSER (self));
 212   gtk_app_chooser_button_select_application (self, info);
 213
 214   g_object_unref (info);
 215 }
 216
 217 static void
 218 other_application_item_activated_cb (GtkAppChooserButton *self)
 219 {
 220   GtkWidget *dialog, *widget;
 221   GtkWindow *toplevel;
 222
 223   toplevel = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (self)));
 224   dialog = gtk_app_chooser_dialog_new_for_content_type (toplevel, GTK_DIALOG_DESTROY_WITH_PARENT,
 225                                                         self->priv->content_type);
 226   widget = gtk_app_chooser_dialog_get_widget (GTK_APP_CHOOSER_DIALOG (dialog));
 227   g_object_set (widget,
 228                 "show-fallback", TRUE,
 229                 "show-other", TRUE,
 230                 NULL);
 231   gtk_widget_show (dialog);
 232
 233   g_signal_connect (dialog, "response",
 234                     G_CALLBACK (other_application_dialog_response_cb), self);
 235 }
 236
 237 static void
 238 gtk_app_chooser_button_ensure_dialog_item (GtkAppChooserButton *self,
 239                                            GtkTreeIter *prev_iter)
 240 {
 241   GtkTreeIter iter, iter2;
 242
 243   if (!self->priv->show_dialog_item)
 244     return;
 245
 246   if (prev_iter == NULL)
 247     gtk_list_store_append (self->priv->store, &iter);
 248   else
 249     gtk_list_store_insert_after (self->priv->store, &iter, prev_iter);
 250
 251   real_insert_separator (self, FALSE, &iter);
 252   iter2 = iter;
 253
 254   gtk_list_store_insert_after (self->priv->store, &iter, &iter2);
 255   real_insert_custom_item (self, CUSTOM_ITEM_OTHER_APP,
 256                            _("Other application..."), NULL,
 257                            FALSE, &iter);
 258 }
 259
 260 static void
 261 gtk_app_chooser_button_populate (GtkAppChooserButton *self)
 262 {
 263   GList *recommended_apps = NULL, *l;
 264   GAppInfo *app;
 265   GtkTreeIter iter, iter2;
 266   GIcon *icon;
 267   gboolean cycled_recommended;
 268
 269 #ifndef G_OS_WIN32
 270   recommended_apps = g_app_info_get_recommended_for_type (self->priv->content_type);
 271 #endif
 272   cycled_recommended = FALSE;
 273
 274   for (l = recommended_apps; l != NULL; l = l->next)
 275     {
 276       app = l->data;
 277
 278       icon = g_app_info_get_icon (app);
 279
 280       if (icon == NULL)
 281         icon = g_themed_icon_new ("application-x-executable");
 282       else
 283         g_object_ref (icon);
 284
 285       if (cycled_recommended)
 286         {
 287           gtk_list_store_insert_after (self->priv->store, &iter2, &iter);
 288           iter = iter2;
 289         }
 290       else
 291         {
 292           get_first_iter (self->priv->store, &iter);
 293           cycled_recommended = TRUE;
 294         }
 295
 296       gtk_list_store_set (self->priv->store, &iter,
 297                           COLUMN_APP_INFO, app,
 298                           COLUMN_LABEL, g_app_info_get_display_name (app),
 299                           COLUMN_ICON, icon,
 300                           COLUMN_CUSTOM, FALSE,
 301                           -1);
 302
 303       g_object_unref (icon);
 304     }
 305
 306   if (!cycled_recommended)
 307     gtk_app_chooser_button_ensure_dialog_item (self, NULL);
 308   else
 309     gtk_app_chooser_button_ensure_dialog_item (self, &iter);
 310
 311   gtk_combo_box_set_active (GTK_COMBO_BOX (self), 0);
 312 }
 313
 314 static void
 315 gtk_app_chooser_button_build_ui (GtkAppChooserButton *self)
 316 {
 317   GtkCellRenderer *cell;
 318
 319   self->priv->store = gtk_list_store_new (NUM_COLUMNS,
 320                                           G_TYPE_APP_INFO,
 321                                           G_TYPE_STRING, /* name */
 322                                           G_TYPE_STRING, /* label */
 323                                           G_TYPE_ICON,
 324                                           G_TYPE_BOOLEAN, /* separator */
 325                                           G_TYPE_BOOLEAN); /* custom */
 326
 327   gtk_combo_box_set_model (GTK_COMBO_BOX (self),
 328                            GTK_TREE_MODEL (self->priv->store));
 329
 330   gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (self),
 331                                         row_separator_func, NULL, NULL);
 332
 333   cell = gtk_cell_renderer_pixbuf_new ();
 334   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (self), cell, FALSE);
 335   gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (self), cell,
 336                                   "gicon", COLUMN_ICON,
 337                                   NULL);
 338
 339   cell = gtk_cell_renderer_text_new ();
 340   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (self), cell, TRUE);
 341   gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (self), cell,
 342                                   "text", COLUMN_LABEL,
 343                                   NULL);
 344   g_object_set (cell,
 345                 "xpad", 6,
 346                 NULL);
 347
 348   gtk_app_chooser_button_populate (self);
 349 }
 350
 351 static void
 352 gtk_app_chooser_button_remove_non_custom (GtkAppChooserButton *self)
 353 {
 354   GtkTreeModel *model;
 355   GtkTreeIter iter;
 356   gboolean custom, res;
 357
 358   model = GTK_TREE_MODEL (self->priv->store);
 359
 360   if (!gtk_tree_model_get_iter_first (model, &iter))
 361     return;
 362
 363   do {
 364     gtk_tree_model_get (model, &iter,
 365                         COLUMN_CUSTOM, &custom,
 366                         -1);
 367     if (custom)
 368       res = gtk_tree_model_iter_next (model, &iter);
 369     else
 370       res = gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
 371   } while (res);
 372 }
 373
 374 static void
 375 gtk_app_chooser_button_changed (GtkComboBox *object)
 376 {
 377   GtkAppChooserButton *self = GTK_APP_CHOOSER_BUTTON (object);
 378   GtkTreeIter iter;
 379   gchar *name = NULL;
 380   gboolean custom;
 381   GQuark name_quark;
 382
 383   if (!gtk_combo_box_get_active_iter (object, &iter))
 384     return;
 385
 386   gtk_tree_model_get (GTK_TREE_MODEL (self->priv->store), &iter,
 387                       COLUMN_NAME, &name,
 388                       COLUMN_CUSTOM, &custom,
 389                       -1);
 390
 391   if (name != NULL)
 392     {
 393       if (custom)
 394         {
 395           name_quark = g_quark_from_string (name);
 396           g_signal_emit (self, signals[SIGNAL_CUSTOM_ITEM_ACTIVATED], name_quark, name);
 397         }
 398       else
 399         {
 400           /* trigger the dialog internally */
 401           other_application_item_activated_cb (self);
 402         }
 403
 404       g_free (name);
 405     }
 406 }
 407
 408 static void
 409 gtk_app_chooser_button_refresh (GtkAppChooser *object)
 410 {
 411   GtkAppChooserButton *self = GTK_APP_CHOOSER_BUTTON (object);
 412
 413   gtk_app_chooser_button_remove_non_custom (self);
 414   gtk_app_chooser_button_populate (self);
 415 }
 416
 417 static GAppInfo *
 418 gtk_app_chooser_button_get_app_info (GtkAppChooser *object)
 419 {
 420   GtkAppChooserButton *self = GTK_APP_CHOOSER_BUTTON (object);
 421   GtkTreeIter iter;
 422   GAppInfo *info;
 423
 424   if (!gtk_combo_box_get_active_iter (GTK_COMBO_BOX (self), &iter))
 425     return NULL;
 426
 427   gtk_tree_model_get (GTK_TREE_MODEL (self->priv->store), &iter,
 428                       COLUMN_APP_INFO, &info,
 429                       -1);
 430
 431   return info;
 432 }
 433
 434 static void
 435 gtk_app_chooser_button_constructed (GObject *obj)
 436 {
 437   GtkAppChooserButton *self = GTK_APP_CHOOSER_BUTTON (obj);
 438
 439   if (G_OBJECT_CLASS (gtk_app_chooser_button_parent_class)->constructed != NULL)
 440     G_OBJECT_CLASS (gtk_app_chooser_button_parent_class)->constructed (obj);
 441
 442   g_assert (self->priv->content_type != NULL);
 443
 444   gtk_app_chooser_button_build_ui (self);
 445 }
 446
 447 static void
 448 gtk_app_chooser_button_set_property (GObject      *obj,
 449                                      guint         property_id,
 450                                      const GValue *value,
 451                                      GParamSpec   *pspec)
 452 {
 453   GtkAppChooserButton *self = GTK_APP_CHOOSER_BUTTON (obj);
 454
 455   switch (property_id)
 456     {
 457     case PROP_CONTENT_TYPE:
 458       self->priv->content_type = g_value_dup_string (value);
 459       break;
 460     case PROP_SHOW_DIALOG_ITEM:
 461       gtk_app_chooser_button_set_show_dialog_item (self, g_value_get_boolean (value));
 462       break;
 463     default:
 464       G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
 465       break;
 466     }
 467 }
 468
 469 static void
 470 gtk_app_chooser_button_get_property (GObject    *obj,
 471                                      guint       property_id,
 472                                      GValue     *value,
 473                                      GParamSpec *pspec)
 474 {
 475   GtkAppChooserButton *self = GTK_APP_CHOOSER_BUTTON (obj);
 476
 477   switch (property_id)
 478     {
 479     case PROP_CONTENT_TYPE:
 480       g_value_set_string (value, self->priv->content_type);
 481       break;
 482     case PROP_SHOW_DIALOG_ITEM:
 483       g_value_set_boolean (value, self->priv->show_dialog_item);
 484       break;
 485     default:
 486       G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
 487       break;
 488     }
 489 }
 490
 491 static void
 492 gtk_app_chooser_button_finalize (GObject *obj)
 493 {
 494   GtkAppChooserButton *self = GTK_APP_CHOOSER_BUTTON (obj);
 495
 496   g_hash_table_destroy (self->priv->custom_item_names);
 497   g_free (self->priv->content_type);
 498
 499   G_OBJECT_CLASS (gtk_app_chooser_button_parent_class)->finalize (obj);
 500 }
 501
 502 static void
 503 app_chooser_iface_init (GtkAppChooserIface *iface)
 504 {
 505   iface->get_app_info = gtk_app_chooser_button_get_app_info;
 506   iface->refresh = gtk_app_chooser_button_refresh;
 507 }
 508
 509 static void
 510 gtk_app_chooser_button_class_init (GtkAppChooserButtonClass *klass)
 511 {
 512   GObjectClass *oclass = G_OBJECT_CLASS (klass);
 513   GtkComboBoxClass *combo_class = GTK_COMBO_BOX_CLASS (klass);
 514   GParamSpec *pspec;
 515
 516   oclass->set_property = gtk_app_chooser_button_set_property;
 517   oclass->get_property = gtk_app_chooser_button_get_property;
 518   oclass->finalize = gtk_app_chooser_button_finalize;
 519   oclass->constructed = gtk_app_chooser_button_constructed;
 520
 521   combo_class->changed = gtk_app_chooser_button_changed;
 522
 523   g_object_class_override_property (oclass, PROP_CONTENT_TYPE, "content-type");
 524
 525   /**
 526    * GtkAppChooserButton:show-dialog-item:
 527    *
 528    * The #GtkAppChooserButton:show-dialog-item property determines whether the dropdown menu
 529    * should show an item that triggers a #GtkAppChooserDialog when clicked.
 530    */
 531   pspec =
 532     g_param_spec_boolean ("show-dialog-item",
 533                           P_("Include an 'Other...' item"),
 534                           P_("Whether the combobox should include an item that triggers a GtkAppChooserDialog"),
 535                           FALSE,
 536                           G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
 537   g_object_class_install_property (oclass, PROP_SHOW_DIALOG_ITEM, pspec);
 538
 539   /**
 540    * GtkAppChooserButton::custom-item-activated:
 541    * @self: the object which received the signal
 542    * @item_name: the name of the activated item
 543    *
 544    * Emitted when a custom item, previously added with
 545    * gtk_app_chooser_button_append_custom_item(), is activated from the
 546    * dropdown menu.
 547    */
 548   signals[SIGNAL_CUSTOM_ITEM_ACTIVATED] =
 549     g_signal_new ("custom-item-activated",
 550                   GTK_TYPE_APP_CHOOSER_BUTTON,
 551                   G_SIGNAL_RUN_FIRST | G_SIGNAL_DETAILED,
 552                   G_STRUCT_OFFSET (GtkAppChooserButtonClass, custom_item_activated),
 553                   NULL, NULL,
 554                   _gtk_marshal_VOID__STRING,
 555                   G_TYPE_NONE,
 556                   1, G_TYPE_STRING);
 557
 558   g_type_class_add_private (klass, sizeof (GtkAppChooserButtonPrivate));
 559 }
 560
 561 static void
 562 gtk_app_chooser_button_init (GtkAppChooserButton *self)
 563 {
 564   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GTK_TYPE_APP_CHOOSER_BUTTON,
 565                                             GtkAppChooserButtonPrivate);
 566   self->priv->custom_item_names =
 567     g_hash_table_new_full (g_str_hash, g_str_equal,
 568                            g_free, NULL);
 569 }
 570
 571 static gboolean
 572 app_chooser_button_iter_from_custom_name (GtkAppChooserButton *self,
 573                                           const gchar *name,
 574                                           GtkTreeIter *set_me)
 575 {
 576   GtkTreeIter iter;
 577   gchar *custom_name = NULL;
 578
 579   if (!gtk_tree_model_get_iter_first
 580       (GTK_TREE_MODEL (self->priv->store), &iter))
 581     return FALSE;
 582
 583   do {
 584     gtk_tree_model_get (GTK_TREE_MODEL (self->priv->store), &iter,
 585                         COLUMN_NAME, &custom_name,
 586                         -1);
 587
 588     if (g_strcmp0 (custom_name, name) == 0)
 589       {
 590         g_free (custom_name);
 591         *set_me = iter;
 592
 593         return TRUE;
 594       }
 595
 596     g_free (custom_name);
 597   } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (self->priv->store), &iter));
 598
 599   return FALSE;
 600 }
 601
 602 static void
 603 real_insert_custom_item (GtkAppChooserButton *self,
 604                          const gchar *name,
 605                          const gchar *label,
 606                          GIcon *icon,
 607                          gboolean custom,
 608                          GtkTreeIter *iter)
 609 {
 610   if (custom)
 611     {
 612       if (g_hash_table_lookup (self->priv->custom_item_names,
 613                                name) != NULL)
 614         {
 615           g_warning ("Attempting to add custom item %s to GtkAppChooserButton, "
 616                      "when there's already an item with the same name", name);
 617           return;
 618         }
 619
 620       g_hash_table_insert (self->priv->custom_item_names,
 621                            g_strdup (name), GINT_TO_POINTER (1));
 622     }
 623
 624   gtk_list_store_set (self->priv->store, iter,
 625                       COLUMN_NAME, name,
 626                       COLUMN_LABEL, label,
 627                       COLUMN_ICON, icon,
 628                       COLUMN_CUSTOM, custom,
 629                       COLUMN_SEPARATOR, FALSE,
 630                       -1);
 631 }
 632
 633 static void
 634 real_insert_separator (GtkAppChooserButton *self,
 635                        gboolean custom,
 636                        GtkTreeIter *iter)
 637 {
 638   gtk_list_store_set (self->priv->store, iter,
 639                       COLUMN_CUSTOM, custom,
 640                       COLUMN_SEPARATOR, TRUE,
 641                       -1);
 642 }
 643
 644 /**
 645  * gtk_app_chooser_button_new:
 646  * @content_type: the content type to show applications for
 647  *
 648  * Creates a new #GtkAppChooserButton for applications
 649  * that can handle content of the given type.
 650  *
 651  * Returns: a newly created #GtkAppChooserButton
 652  *
 653  * Since: 3.0
 654  */
 655 GtkWidget *
 656 gtk_app_chooser_button_new (const gchar *content_type)
 657 {
 658   g_return_val_if_fail (content_type != NULL, NULL);
 659
 660   return g_object_new (GTK_TYPE_APP_CHOOSER_BUTTON,
 661                        "content-type", content_type,
 662                        NULL);
 663 }
 664
 665 /**
 666  * gtk_app_chooser_button_append_separator:
 667  * @self: a #GtkAppChooserButton
 668  *
 669  * Appends a separator to the list of applications that is shown
 670  * in the popup.
 671  *
 672  * Since: 3.0
 673  */
 674 void
 675 gtk_app_chooser_button_append_separator (GtkAppChooserButton *self)
 676 {
 677   GtkTreeIter iter;
 678
 679   g_return_if_fail (GTK_IS_APP_CHOOSER_BUTTON (self));
 680
 681   gtk_list_store_append (self->priv->store, &iter);
 682   real_insert_separator (self, TRUE, &iter);
 683 }
 684
 685 /**
 686  * gtk_app_chooser_button_append_custom_item:
 687  * @self: a #GtkAppChooserButton
 688  * @name: the name of the custom item
 689  * @label: the label for the custom item
 690  * @icon: the icon for the custom item
 691  *
 692  * Appends a custom item to the list of applications that is shown
 693  * in the popup; the item name must be unique per-widget.
 694  * Clients can use the provided name as a detail for the ::custom-item-activated
 695  * signal, to add a callback for the activation of a particular
 696  * custom item in the list.
 697  * See also gtk_app_chooser_button_append_separator().
 698  *
 699  * Since: 3.0
 700  */
 701 void
 702 gtk_app_chooser_button_append_custom_item (GtkAppChooserButton *self,
 703                                            const gchar         *name,
 704                                            const gchar         *label,
 705                                            GIcon               *icon)
 706 {
 707   GtkTreeIter iter;
 708
 709   g_return_if_fail (GTK_IS_APP_CHOOSER_BUTTON (self));
 710   g_return_if_fail (name != NULL);
 711
 712   gtk_list_store_append (self->priv->store, &iter);
 713   real_insert_custom_item (self, name, label, icon, TRUE, &iter);
 714 }
 715
 716 /**
 717  * gtk_app_chooser_button_select_custom_item:
 718  * @self: a #GtkAppChooserButton
 719  * @name: the name of the custom item
 720  *
 721  * Selects a custom item previously added with
 722  * gtk_app_chooser_button_append_custom_item().
 723  * Use gtk_app_chooser_refresh() to bring the selection to its initial
 724  * state.
 725  *
 726  * Since: 3.0
 727  */
 728 void
 729 gtk_app_chooser_button_set_active_custom_item (GtkAppChooserButton *self,
 730                                                const gchar         *name)
 731 {
 732   GtkTreeIter iter;
 733
 734   g_return_if_fail (GTK_IS_APP_CHOOSER_BUTTON (self));
 735   g_return_if_fail (name != NULL);
 736
 737   if (g_hash_table_lookup (self->priv->custom_item_names, name) == NULL ||
 738       !app_chooser_button_iter_from_custom_name (self, name, &iter))
 739     {
 740       g_warning ("Can't find the item named %s in the app chooser.",
 741                  name);
 742       return;
 743     }
 744
 745   gtk_combo_box_set_active_iter (GTK_COMBO_BOX (self), &iter);
 746 }
 747
 748 /**
 749  * gtk_app_chooser_button_get_show_dialog_item:
 750  * @self: a #GtkAppChooserButton
 751  *
 752  * Returns the current value of the #GtkAppChooserButton:show-dialog-item
 753  * property.
 754  *
 755  * Returns: the value of #GtkAppChooserButton:show-dialog-item
 756  *
 757  * Since: 3.0
 758  */
 759 gboolean
 760 gtk_app_chooser_button_get_show_dialog_item (GtkAppChooserButton *self)
 761 {
 762   g_return_val_if_fail (GTK_IS_APP_CHOOSER_BUTTON (self), FALSE);
 763
 764   return self->priv->show_dialog_item;
 765 }
 766
 767 /**
 768  * gtk_app_chooser_button_set_show_dialog_item:
 769  * @self: a #GtkAppChooserButton
 770  * @setting: the new value for #GtkAppChooserButton:show-dialog-item
 771  *
 772  * Sets whether the dropdown menu of this button should show an
 773  * entry to trigger a #GtkAppChooserDialog.
 774  *
 775  * Since: 3.0
 776  */
 777 void
 778 gtk_app_chooser_button_set_show_dialog_item (GtkAppChooserButton *self,
 779                                              gboolean setting)
 780 {
 781   if (self->priv->show_dialog_item != setting)
 782     {
 783       self->priv->show_dialog_item = setting;
 784
 785       g_object_notify (G_OBJECT (self), "show-dialog-item");
 786
 787       gtk_app_chooser_refresh (GTK_APP_CHOOSER (self));
 788     }
 789 }