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

   1 /* gtkcellrendereraccel.h
   2  * Copyright (C) 2000  Red Hat, Inc.,  Jonathan Blandford <jrb@redhat.com>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "config.h"
  21
  22 #include "gtkcellrendereraccel.h"
  23
  24 #include "gtkintl.h"
  25 #include "gtkaccelgroup.h"
  26 #include "gtkmarshalers.h"
  27 #include "gtklabel.h"
  28 #include "gtkeventbox.h"
  29 #include "gtkmain.h"
  30 #include "gtksizerequest.h"
  31 #include "gtkprivate.h"
  32
  33
  34 static void gtk_cell_renderer_accel_get_property (GObject         *object,
  35                                                   guint            param_id,
  36                                                   GValue          *value,
  37                                                   GParamSpec      *pspec);
  38 static void gtk_cell_renderer_accel_set_property (GObject         *object,
  39                                                   guint            param_id,
  40                                                   const GValue    *value,
  41                                                   GParamSpec      *pspec);
  42 static void gtk_cell_renderer_accel_get_size     (GtkCellRenderer    *cell,
  43                                                   GtkWidget          *widget,
  44                                                   const GdkRectangle *cell_area,
  45                                                   gint               *x_offset,
  46                                                   gint               *y_offset,
  47                                                   gint               *width,
  48                                                   gint               *height);
  49 static GtkCellEditable *
  50            gtk_cell_renderer_accel_start_editing (GtkCellRenderer      *cell,
  51                                                   GdkEvent             *event,
  52                                                   GtkWidget            *widget,
  53                                                   const gchar          *path,
  54                                                   const GdkRectangle   *background_area,
  55                                                   const GdkRectangle   *cell_area,
  56                                                   GtkCellRendererState  flags);
  57 static gchar *convert_keysym_state_to_string     (GtkCellRendererAccel *accel,
  58                                                   guint                 keysym,
  59                                                   GdkModifierType       mask,
  60                                                   guint                 keycode);
  61
  62 enum {
  63   ACCEL_EDITED,
  64   ACCEL_CLEARED,
  65   LAST_SIGNAL
  66 };
  67
  68 enum {
  69   PROP_0,
  70   PROP_ACCEL_KEY,
  71   PROP_ACCEL_MODS,
  72   PROP_KEYCODE,
  73   PROP_ACCEL_MODE
  74 };
  75
  76 struct _GtkCellRendererAccelPrivate
  77 {
  78   GtkCellRendererAccelMode accel_mode;
  79
  80   GtkWidget *edit_widget;
  81   GtkWidget *grab_widget;
  82   GtkWidget *sizing_label;
  83
  84   GdkDevice *grab_keyboard;
  85   GdkDevice *grab_pointer;
  86
  87   GdkModifierType accel_mods;
  88
  89   guint accel_key;
  90   guint keycode;
  91 };
  92
  93 static guint signals[LAST_SIGNAL] = { 0 };
  94
  95 G_DEFINE_TYPE (GtkCellRendererAccel, gtk_cell_renderer_accel, GTK_TYPE_CELL_RENDERER_TEXT)
  96
  97 static void
  98 gtk_cell_renderer_accel_init (GtkCellRendererAccel *cell_accel)
  99 {
 100   gchar *text;
 101
 102   cell_accel->priv = G_TYPE_INSTANCE_GET_PRIVATE (cell_accel,
 103                                                   GTK_TYPE_CELL_RENDERER_ACCEL,
 104                                                   GtkCellRendererAccelPrivate);
 105
 106   text = convert_keysym_state_to_string (cell_accel, 0, 0, 0);
 107   g_object_set (cell_accel, "text", text, NULL);
 108   g_free (text);
 109 }
 110
 111 static void
 112 gtk_cell_renderer_accel_class_init (GtkCellRendererAccelClass *cell_accel_class)
 113 {
 114   GObjectClass *object_class;
 115   GtkCellRendererClass *cell_renderer_class;
 116
 117   object_class = G_OBJECT_CLASS (cell_accel_class);
 118   cell_renderer_class = GTK_CELL_RENDERER_CLASS (cell_accel_class);
 119
 120   object_class->set_property = gtk_cell_renderer_accel_set_property;
 121   object_class->get_property = gtk_cell_renderer_accel_get_property;
 122
 123   cell_renderer_class->get_size      = gtk_cell_renderer_accel_get_size;
 124   cell_renderer_class->start_editing = gtk_cell_renderer_accel_start_editing;
 125
 126   /**
 127    * GtkCellRendererAccel:accel-key:
 128    *
 129    * The keyval of the accelerator.
 130    *
 131    * Since: 2.10
 132    */
 133   g_object_class_install_property (object_class,
 134                                    PROP_ACCEL_KEY,
 135                                    g_param_spec_uint ("accel-key",
 136                                                      P_("Accelerator key"),
 137                                                      P_("The keyval of the accelerator"),
 138                                                       0,
 139                                                       G_MAXINT,
 140                                                       0,
 141                                                       GTK_PARAM_READWRITE));
 142
 143   /**
 144    * GtkCellRendererAccel:accel-mods:
 145    *
 146    * The modifier mask of the accelerator.
 147    *
 148    * Since: 2.10
 149    */
 150   g_object_class_install_property (object_class,
 151                                    PROP_ACCEL_MODS,
 152                                    g_param_spec_flags ("accel-mods",
 153                                                        P_("Accelerator modifiers"),
 154                                                        P_("The modifier mask of the accelerator"),
 155                                                        GDK_TYPE_MODIFIER_TYPE,
 156                                                        0,
 157                                                        GTK_PARAM_READWRITE));
 158
 159   /**
 160    * GtkCellRendererAccel:keycode:
 161    *
 162    * The hardware keycode of the accelerator. Note that the hardware keycode is
 163    * only relevant if the key does not have a keyval. Normally, the keyboard
 164    * configuration should assign keyvals to all keys.
 165    *
 166    * Since: 2.10
 167    */
 168   g_object_class_install_property (object_class,
 169                                    PROP_KEYCODE,
 170                                    g_param_spec_uint ("keycode",
 171                                                       P_("Accelerator keycode"),
 172                                                       P_("The hardware keycode of the accelerator"),
 173                                                       0,
 174                                                       G_MAXINT,
 175                                                       0,
 176                                                       GTK_PARAM_READWRITE));
 177
 178   /**
 179    * GtkCellRendererAccel:accel-mode:
 180    *
 181    * Determines if the edited accelerators are GTK+ accelerators. If
 182    * they are, consumed modifiers are suppressed, only accelerators
 183    * accepted by GTK+ are allowed, and the accelerators are rendered
 184    * in the same way as they are in menus.
 185    *
 186    * Since: 2.10
 187    */
 188   g_object_class_install_property (object_class,
 189                                    PROP_ACCEL_MODE,
 190                                    g_param_spec_enum ("accel-mode",
 191                                                       P_("Accelerator Mode"),
 192                                                       P_("The type of accelerators"),
 193                                                       GTK_TYPE_CELL_RENDERER_ACCEL_MODE,
 194                                                       GTK_CELL_RENDERER_ACCEL_MODE_GTK,
 195                                                       GTK_PARAM_READWRITE));
 196
 197   /**
 198    * GtkCellRendererAccel::accel-edited:
 199    * @accel: the object reveiving the signal
 200    * @path_string: the path identifying the row of the edited cell
 201    * @accel_key: the new accelerator keyval
 202    * @accel_mods: the new acclerator modifier mask
 203    * @hardware_keycode: the keycode of the new accelerator
 204    *
 205    * Gets emitted when the user has selected a new accelerator.
 206    *
 207    * Since: 2.10
 208    */
 209   signals[ACCEL_EDITED] = g_signal_new (I_("accel-edited"),
 210                                         GTK_TYPE_CELL_RENDERER_ACCEL,
 211                                         G_SIGNAL_RUN_LAST,
 212                                         G_STRUCT_OFFSET (GtkCellRendererAccelClass, accel_edited),
 213                                         NULL, NULL,
 214                                         _gtk_marshal_VOID__STRING_UINT_FLAGS_UINT,
 215                                         G_TYPE_NONE, 4,
 216                                         G_TYPE_STRING,
 217                                         G_TYPE_UINT,
 218                                         GDK_TYPE_MODIFIER_TYPE,
 219                                         G_TYPE_UINT);
 220
 221   /**
 222    * GtkCellRendererAccel::accel-cleared:
 223    * @accel: the object reveiving the signal
 224    * @path_string: the path identifying the row of the edited cell
 225    *
 226    * Gets emitted when the user has removed the accelerator.
 227    *
 228    * Since: 2.10
 229    */
 230   signals[ACCEL_CLEARED] = g_signal_new (I_("accel-cleared"),
 231                                          GTK_TYPE_CELL_RENDERER_ACCEL,
 232                                          G_SIGNAL_RUN_LAST,
 233                                          G_STRUCT_OFFSET (GtkCellRendererAccelClass, accel_cleared),
 234                                          NULL, NULL,
 235                                          g_cclosure_marshal_VOID__STRING,
 236                                          G_TYPE_NONE, 1,
 237                                          G_TYPE_STRING);
 238
 239   g_type_class_add_private (cell_accel_class, sizeof (GtkCellRendererAccelPrivate));
 240 }
 241
 242
 243 /**
 244  * gtk_cell_renderer_accel_new:
 245  *
 246  * Creates a new #GtkCellRendererAccel.
 247  *
 248  * Returns: the new cell renderer
 249  *
 250  * Since: 2.10
 251  */
 252 GtkCellRenderer *
 253 gtk_cell_renderer_accel_new (void)
 254 {
 255   return g_object_new (GTK_TYPE_CELL_RENDERER_ACCEL, NULL);
 256 }
 257
 258 static gchar *
 259 convert_keysym_state_to_string (GtkCellRendererAccel *accel,
 260                                 guint                 keysym,
 261                                 GdkModifierType       mask,
 262                                 guint                 keycode)
 263 {
 264   GtkCellRendererAccelPrivate *priv = accel->priv;
 265
 266   if (keysym == 0 && keycode == 0)
 267     /* This label is displayed in a treeview cell displaying
 268      * a disabled accelerator key combination.
 269      */
 270     return g_strdup (C_("Accelerator", "Disabled"));
 271   else
 272     {
 273       if (priv->accel_mode == GTK_CELL_RENDERER_ACCEL_MODE_GTK)
 274         {
 275           if (!gtk_accelerator_valid (keysym, mask))
 276             /* This label is displayed in a treeview cell displaying
 277              * an accelerator key combination that is not valid according
 278              * to gtk_accelerator_valid().
 279              */
 280             return g_strdup (C_("Accelerator", "Invalid"));
 281
 282           return gtk_accelerator_get_label (keysym, mask);
 283         }
 284       else
 285         {
 286           gchar *name;
 287
 288           name = gtk_accelerator_get_label (keysym, mask);
 289           if (name == NULL)
 290             name = gtk_accelerator_name (keysym, mask);
 291
 292           if (keysym == 0)
 293             {
 294               gchar *tmp;
 295
 296               tmp = name;
 297               name = g_strdup_printf ("%s0x%02x", tmp, keycode);
 298               g_free (tmp);
 299             }
 300
 301           return name;
 302         }
 303     }
 304 }
 305
 306 static void
 307 gtk_cell_renderer_accel_get_property  (GObject    *object,
 308                                        guint       param_id,
 309                                        GValue     *value,
 310                                        GParamSpec *pspec)
 311 {
 312   GtkCellRendererAccelPrivate *priv = GTK_CELL_RENDERER_ACCEL (object)->priv;
 313
 314   switch (param_id)
 315     {
 316     case PROP_ACCEL_KEY:
 317       g_value_set_uint (value, priv->accel_key);
 318       break;
 319
 320     case PROP_ACCEL_MODS:
 321       g_value_set_flags (value, priv->accel_mods);
 322       break;
 323
 324     case PROP_KEYCODE:
 325       g_value_set_uint (value, priv->keycode);
 326       break;
 327
 328     case PROP_ACCEL_MODE:
 329       g_value_set_enum (value, priv->accel_mode);
 330       break;
 331
 332     default:
 333       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 334     }
 335 }
 336
 337 static void
 338 gtk_cell_renderer_accel_set_property  (GObject      *object,
 339                                        guint         param_id,
 340                                        const GValue *value,
 341                                        GParamSpec   *pspec)
 342 {
 343   GtkCellRendererAccel *accel = GTK_CELL_RENDERER_ACCEL (object);
 344   GtkCellRendererAccelPrivate *priv = accel->priv;
 345   gboolean changed = FALSE;
 346
 347   switch (param_id)
 348     {
 349     case PROP_ACCEL_KEY:
 350       {
 351         guint accel_key = g_value_get_uint (value);
 352
 353         if (priv->accel_key != accel_key)
 354           {
 355             priv->accel_key = accel_key;
 356             changed = TRUE;
 357           }
 358       }
 359       break;
 360
 361     case PROP_ACCEL_MODS:
 362       {
 363         guint accel_mods = g_value_get_flags (value);
 364
 365         if (priv->accel_mods != accel_mods)
 366           {
 367             priv->accel_mods = accel_mods;
 368             changed = TRUE;
 369           }
 370       }
 371       break;
 372     case PROP_KEYCODE:
 373       {
 374         guint keycode = g_value_get_uint (value);
 375
 376         if (priv->keycode != keycode)
 377           {
 378             priv->keycode = keycode;
 379             changed = TRUE;
 380           }
 381       }
 382       break;
 383
 384     case PROP_ACCEL_MODE:
 385       priv->accel_mode = g_value_get_enum (value);
 386       break;
 387
 388     default:
 389       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 390     }
 391
 392   if (changed)
 393     {
 394       gchar *text;
 395
 396       text = convert_keysym_state_to_string (accel, priv->accel_key, priv->accel_mods, priv->keycode);
 397       g_object_set (accel, "text", text, NULL);
 398       g_free (text);
 399     }
 400 }
 401
 402 static void
 403 gtk_cell_renderer_accel_get_size (GtkCellRenderer    *cell,
 404                                   GtkWidget          *widget,
 405                                   const GdkRectangle *cell_area,
 406                                   gint               *x_offset,
 407                                   gint               *y_offset,
 408                                   gint               *width,
 409                                   gint               *height)
 410
 411 {
 412   GtkCellRendererAccelPrivate *priv = GTK_CELL_RENDERER_ACCEL (cell)->priv;
 413   GtkRequisition requisition;
 414
 415   if (priv->sizing_label == NULL)
 416     priv->sizing_label = gtk_label_new (_("New accelerator..."));
 417
 418   gtk_widget_get_preferred_size (priv->sizing_label, &requisition, NULL);
 419
 420   GTK_CELL_RENDERER_CLASS (gtk_cell_renderer_accel_parent_class)->get_size (cell, widget, cell_area,
 421                                                                             x_offset, y_offset, width, height);
 422
 423   /* FIXME: need to take the cell_area et al. into account */
 424   if (width)
 425     *width = MAX (*width, requisition.width);
 426   if (height)
 427     *height = MAX (*height, requisition.height);
 428 }
 429
 430 static gboolean
 431 grab_key_callback (GtkWidget            *widget,
 432                    GdkEventKey          *event,
 433                    GtkCellRendererAccel *accel)
 434 {
 435   GtkCellRendererAccelPrivate *priv = accel->priv;
 436   GdkModifierType accel_mods = 0;
 437   guint accel_key;
 438   gchar *path;
 439   gboolean edited;
 440   gboolean cleared;
 441   GdkModifierType consumed_modifiers;
 442   GdkDisplay *display;
 443
 444   display = gtk_widget_get_display (widget);
 445
 446   if (event->is_modifier)
 447     return TRUE;
 448
 449   edited = FALSE;
 450   cleared = FALSE;
 451
 452   gdk_keymap_translate_keyboard_state (gdk_keymap_get_for_display (display),
 453                                        event->hardware_keycode,
 454                                        event->state,
 455                                        event->group,
 456                                        NULL, NULL, NULL, &consumed_modifiers);
 457
 458   accel_key = gdk_keyval_to_lower (event->keyval);
 459   if (accel_key == GDK_KEY_ISO_Left_Tab)
 460     accel_key = GDK_KEY_Tab;
 461
 462   accel_mods = event->state & gtk_accelerator_get_default_mod_mask ();
 463
 464   /* Filter consumed modifiers
 465    */
 466   if (priv->accel_mode == GTK_CELL_RENDERER_ACCEL_MODE_GTK)
 467     accel_mods &= ~consumed_modifiers;
 468
 469   /* Put shift back if it changed the case of the key, not otherwise.
 470    */
 471   if (accel_key != event->keyval)
 472     accel_mods |= GDK_SHIFT_MASK;
 473
 474   if (accel_mods == 0)
 475     {
 476       switch (event->keyval)
 477         {
 478         case GDK_KEY_Escape:
 479           goto out; /* cancel */
 480         case GDK_KEY_BackSpace:
 481           /* clear the accelerator on Backspace */
 482           cleared = TRUE;
 483           goto out;
 484         default:
 485           break;
 486         }
 487     }
 488
 489   if (priv->accel_mode == GTK_CELL_RENDERER_ACCEL_MODE_GTK)
 490     {
 491       if (!gtk_accelerator_valid (accel_key, accel_mods))
 492         {
 493           gtk_widget_error_bell (widget);
 494
 495           return TRUE;
 496         }
 497     }
 498
 499   edited = TRUE;
 500
 501  out:
 502   gtk_device_grab_remove (priv->grab_widget, priv->grab_pointer);
 503   gdk_device_ungrab (priv->grab_keyboard, event->time);
 504   gdk_device_ungrab (priv->grab_pointer, event->time);
 505
 506   path = g_strdup (g_object_get_data (G_OBJECT (priv->edit_widget), "gtk-cell-renderer-text"));
 507
 508   gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (priv->edit_widget));
 509   gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (priv->edit_widget));
 510   priv->edit_widget = NULL;
 511   priv->grab_widget = NULL;
 512   priv->grab_keyboard = NULL;
 513   priv->grab_pointer = NULL;
 514
 515   if (edited)
 516     g_signal_emit (accel, signals[ACCEL_EDITED], 0, path,
 517                    accel_key, accel_mods, event->hardware_keycode);
 518   else if (cleared)
 519     g_signal_emit (accel, signals[ACCEL_CLEARED], 0, path);
 520
 521   g_free (path);
 522
 523   return TRUE;
 524 }
 525
 526 static void
 527 ungrab_stuff (GtkWidget            *widget,
 528               GtkCellRendererAccel *accel)
 529 {
 530   GtkCellRendererAccelPrivate *priv = accel->priv;
 531
 532   gtk_device_grab_remove (priv->grab_widget, priv->grab_pointer);
 533   gdk_device_ungrab (priv->grab_keyboard, GDK_CURRENT_TIME);
 534   gdk_device_ungrab (priv->grab_pointer, GDK_CURRENT_TIME);
 535
 536   priv->grab_keyboard = NULL;
 537   priv->grab_pointer = NULL;
 538
 539   g_signal_handlers_disconnect_by_func (priv->grab_widget,
 540                                         G_CALLBACK (grab_key_callback),
 541                                         accel);
 542 }
 543
 544 static void
 545 _gtk_cell_editable_event_box_start_editing (GtkCellEditable *cell_editable,
 546                                             GdkEvent        *event)
 547 {
 548   /* do nothing, because we are pointless */
 549 }
 550
 551 static void
 552 _gtk_cell_editable_event_box_cell_editable_init (GtkCellEditableIface *iface)
 553 {
 554   iface->start_editing = _gtk_cell_editable_event_box_start_editing;
 555 }
 556
 557 typedef GtkEventBox      GtkCellEditableEventBox;
 558 typedef GtkEventBoxClass GtkCellEditableEventBoxClass;
 559
 560 G_DEFINE_TYPE_WITH_CODE (GtkCellEditableEventBox, _gtk_cell_editable_event_box, GTK_TYPE_EVENT_BOX, { \
 561     G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_EDITABLE, _gtk_cell_editable_event_box_cell_editable_init)   \
 562       })
 563
 564
 565 static void
 566 _gtk_cell_editable_event_box_class_init (GtkCellEditableEventBoxClass *class)
 567 {
 568 }
 569
 570 static void
 571 _gtk_cell_editable_event_box_init (GtkCellEditableEventBox *box)
 572 {
 573 }
 574
 575 static GtkCellEditable *
 576 gtk_cell_renderer_accel_start_editing (GtkCellRenderer      *cell,
 577                                        GdkEvent             *event,
 578                                        GtkWidget            *widget,
 579                                        const gchar          *path,
 580                                        const GdkRectangle   *background_area,
 581                                        const GdkRectangle   *cell_area,
 582                                        GtkCellRendererState  flags)
 583 {
 584   GtkCellRendererAccelPrivate *priv;
 585   GtkCellRendererText *celltext;
 586   GtkCellRendererAccel *accel;
 587   GtkStyle *style;
 588   GtkWidget *label;
 589   GtkWidget *eventbox;
 590   GdkDevice *device, *keyb, *pointer;
 591   GdkWindow *window;
 592   gboolean editable;
 593   guint32 time;
 594
 595   celltext = GTK_CELL_RENDERER_TEXT (cell);
 596   accel = GTK_CELL_RENDERER_ACCEL (cell);
 597   priv = accel->priv;
 598
 599   /* If the cell isn't editable we return NULL. */
 600   g_object_get (celltext, "editable", &editable, NULL);
 601   if (editable == FALSE)
 602     return NULL;
 603
 604   window = gtk_widget_get_window (widget);
 605   style = gtk_widget_get_style (widget);
 606
 607   g_return_val_if_fail (window != NULL, NULL);
 608
 609   if (event)
 610     device = gdk_event_get_device (event);
 611   else
 612     device = gtk_get_current_event_device ();
 613
 614   if (!device)
 615     return NULL;
 616
 617   if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
 618     {
 619       keyb = device;
 620       pointer = gdk_device_get_associated_device (device);
 621     }
 622   else
 623     {
 624       pointer = device;
 625       keyb = gdk_device_get_associated_device (device);
 626     }
 627
 628   time = gdk_event_get_time (event);
 629
 630   if (gdk_device_grab (keyb, window,
 631                        GDK_OWNERSHIP_WINDOW, FALSE,
 632                        GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
 633                        NULL, time) != GDK_GRAB_SUCCESS)
 634     return NULL;
 635
 636   if (gdk_device_grab (pointer, window,
 637                        GDK_OWNERSHIP_WINDOW, FALSE,
 638                        GDK_BUTTON_PRESS_MASK,
 639                        NULL, time) != GDK_GRAB_SUCCESS)
 640     {
 641       gdk_device_ungrab (keyb, time);
 642       return NULL;
 643     }
 644
 645   priv->grab_keyboard = keyb;
 646   priv->grab_pointer = pointer;
 647   priv->grab_widget = widget;
 648
 649   g_signal_connect (G_OBJECT (widget), "key-press-event",
 650                     G_CALLBACK (grab_key_callback),
 651                     accel);
 652
 653   eventbox = g_object_new (_gtk_cell_editable_event_box_get_type (), NULL);
 654   priv->edit_widget = eventbox;
 655   g_object_add_weak_pointer (G_OBJECT (priv->edit_widget),
 656                              (gpointer) &priv->edit_widget);
 657
 658   label = gtk_label_new (NULL);
 659   gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
 660
 661
 662
 663   gtk_widget_modify_bg (eventbox, GTK_STATE_NORMAL,
 664                         &style->bg[GTK_STATE_SELECTED]);
 665
 666   gtk_widget_modify_fg (label, GTK_STATE_NORMAL,
 667                         &style->fg[GTK_STATE_SELECTED]);
 668
 669   /* This label is displayed in a treeview cell displaying
 670    * an accelerator when the cell is clicked to change the
 671    * acelerator.
 672    */
 673   gtk_label_set_text (GTK_LABEL (label), _("New accelerator..."));
 674
 675   gtk_container_add (GTK_CONTAINER (eventbox), label);
 676
 677   g_object_set_data_full (G_OBJECT (priv->edit_widget), "gtk-cell-renderer-text",
 678                           g_strdup (path), g_free);
 679
 680   gtk_widget_show_all (priv->edit_widget);
 681
 682   gtk_device_grab_add (priv->grab_widget, pointer, TRUE);
 683
 684   g_signal_connect (priv->edit_widget, "unrealize",
 685                     G_CALLBACK (ungrab_stuff), accel);
 686
 687   return GTK_CELL_EDITABLE (priv->edit_widget);
 688 }