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 "gdk/gdkkeysyms.h"
  25
  26 #include "gtkintl.h"
  27 #include "gtkaccelgroup.h"
  28 #include "gtkmarshalers.h"
  29 #include "gtklabel.h"
  30 #include "gtkeventbox.h"
  31 #include "gtkmain.h"
  32 #include "gtksizerequest.h"
  33 #include "gtkprivate.h"
  34
  35
  36 static void gtk_cell_renderer_accel_get_property (GObject         *object,
  37                                                   guint            param_id,
  38                                                   GValue          *value,
  39                                                   GParamSpec      *pspec);
  40 static void gtk_cell_renderer_accel_set_property (GObject         *object,
  41                                                   guint            param_id,
  42                                                   const GValue    *value,
  43                                                   GParamSpec      *pspec);
  44 static void gtk_cell_renderer_accel_get_size     (GtkCellRenderer *cell,
  45                                                   GtkWidget       *widget,
  46                                                   GdkRectangle    *cell_area,
  47                                                   gint            *x_offset,
  48                                                   gint            *y_offset,
  49                                                   gint            *width,
  50                                                   gint            *height);
  51 static GtkCellEditable *
  52            gtk_cell_renderer_accel_start_editing (GtkCellRenderer *cell,
  53                                                   GdkEvent        *event,
  54                                                   GtkWidget       *widget,
  55                                                   const gchar     *path,
  56                                                   GdkRectangle    *background_area,
  57                                                   GdkRectangle    *cell_area,
  58                                                   GtkCellRendererState flags);
  59 static gchar *convert_keysym_state_to_string     (GtkCellRendererAccel *accel,
  60                                                   guint                 keysym,
  61                                                   GdkModifierType       mask,
  62                                                   guint                 keycode);
  63
  64 enum {
  65   ACCEL_EDITED,
  66   ACCEL_CLEARED,
  67   LAST_SIGNAL
  68 };
  69
  70 enum {
  71   PROP_0,
  72   PROP_ACCEL_KEY,
  73   PROP_ACCEL_MODS,
  74   PROP_KEYCODE,
  75   PROP_ACCEL_MODE
  76 };
  77
  78 struct _GtkCellRendererAccelPrivate
  79 {
  80   GtkCellRendererAccelMode accel_mode;
  81
  82   GtkWidget *edit_widget;
  83   GtkWidget *grab_widget;
  84   GtkWidget *sizing_label;
  85
  86   GdkDevice *grab_keyboard;
  87   GdkDevice *grab_pointer;
  88
  89   GdkModifierType accel_mods;
  90
  91   guint accel_key;
  92   guint keycode;
  93 };
  94
  95 static guint signals[LAST_SIGNAL] = { 0 };
  96
  97 G_DEFINE_TYPE (GtkCellRendererAccel, gtk_cell_renderer_accel, GTK_TYPE_CELL_RENDERER_TEXT)
  98
  99 static void
 100 gtk_cell_renderer_accel_init (GtkCellRendererAccel *cell_accel)
 101 {
 102   gchar *text;
 103
 104   cell_accel->priv = G_TYPE_INSTANCE_GET_PRIVATE (cell_accel,
 105                                                   GTK_TYPE_CELL_RENDERER_ACCEL,
 106                                                   GtkCellRendererAccelPrivate);
 107
 108   text = convert_keysym_state_to_string (cell_accel, 0, 0, 0);
 109   g_object_set (cell_accel, "text", text, NULL);
 110   g_free (text);
 111 }
 112
 113 static void
 114 gtk_cell_renderer_accel_class_init (GtkCellRendererAccelClass *cell_accel_class)
 115 {
 116   GObjectClass *object_class;
 117   GtkCellRendererClass *cell_renderer_class;
 118
 119   object_class = G_OBJECT_CLASS (cell_accel_class);
 120   cell_renderer_class = GTK_CELL_RENDERER_CLASS (cell_accel_class);
 121
 122   object_class->set_property = gtk_cell_renderer_accel_set_property;
 123   object_class->get_property = gtk_cell_renderer_accel_get_property;
 124
 125   cell_renderer_class->get_size      = gtk_cell_renderer_accel_get_size;
 126   cell_renderer_class->start_editing = gtk_cell_renderer_accel_start_editing;
 127
 128   /**
 129    * GtkCellRendererAccel:accel-key:
 130    *
 131    * The keyval of the accelerator.
 132    *
 133    * Since: 2.10
 134    */
 135   g_object_class_install_property (object_class,
 136                                    PROP_ACCEL_KEY,
 137                                    g_param_spec_uint ("accel-key",
 138                                                      P_("Accelerator key"),
 139                                                      P_("The keyval of the accelerator"),
 140                                                       0,
 141                                                       G_MAXINT,
 142                                                       0,
 143                                                       GTK_PARAM_READWRITE));
 144
 145   /**
 146    * GtkCellRendererAccel:accel-mods:
 147    *
 148    * The modifier mask of the accelerator.
 149    *
 150    * Since: 2.10
 151    */
 152   g_object_class_install_property (object_class,
 153                                    PROP_ACCEL_MODS,
 154                                    g_param_spec_flags ("accel-mods",
 155                                                        P_("Accelerator modifiers"),
 156                                                        P_("The modifier mask of the accelerator"),
 157                                                        GDK_TYPE_MODIFIER_TYPE,
 158                                                        0,
 159                                                        GTK_PARAM_READWRITE));
 160
 161   /**
 162    * GtkCellRendererAccel:keycode:
 163    *
 164    * The hardware keycode of the accelerator. Note that the hardware keycode is
 165    * only relevant if the key does not have a keyval. Normally, the keyboard
 166    * configuration should assign keyvals to all keys.
 167    *
 168    * Since: 2.10
 169    */
 170   g_object_class_install_property (object_class,
 171                                    PROP_KEYCODE,
 172                                    g_param_spec_uint ("keycode",
 173                                                       P_("Accelerator keycode"),
 174                                                       P_("The hardware keycode of the accelerator"),
 175                                                       0,
 176                                                       G_MAXINT,
 177                                                       0,
 178                                                       GTK_PARAM_READWRITE));
 179
 180   /**
 181    * GtkCellRendererAccel:accel-mode:
 182    *
 183    * Determines if the edited accelerators are GTK+ accelerators. If
 184    * they are, consumed modifiers are suppressed, only accelerators
 185    * accepted by GTK+ are allowed, and the accelerators are rendered
 186    * in the same way as they are in menus.
 187    *
 188    * Since: 2.10
 189    */
 190   g_object_class_install_property (object_class,
 191                                    PROP_ACCEL_MODE,
 192                                    g_param_spec_enum ("accel-mode",
 193                                                       P_("Accelerator Mode"),
 194                                                       P_("The type of accelerators"),
 195                                                       GTK_TYPE_CELL_RENDERER_ACCEL_MODE,
 196                                                       GTK_CELL_RENDERER_ACCEL_MODE_GTK,
 197                                                       GTK_PARAM_READWRITE));
 198
 199   /**
 200    * GtkCellRendererAccel::accel-edited:
 201    * @accel: the object reveiving the signal
 202    * @path_string: the path identifying the row of the edited cell
 203    * @accel_key: the new accelerator keyval
 204    * @accel_mods: the new acclerator modifier mask
 205    * @hardware_keycode: the keycode of the new accelerator
 206    *
 207    * Gets emitted when the user has selected a new accelerator.
 208    *
 209    * Since: 2.10
 210    */
 211   signals[ACCEL_EDITED] = g_signal_new (I_("accel-edited"),
 212                                         GTK_TYPE_CELL_RENDERER_ACCEL,
 213                                         G_SIGNAL_RUN_LAST,
 214                                         G_STRUCT_OFFSET (GtkCellRendererAccelClass, accel_edited),
 215                                         NULL, NULL,
 216                                         _gtk_marshal_VOID__STRING_UINT_FLAGS_UINT,
 217                                         G_TYPE_NONE, 4,
 218                                         G_TYPE_STRING,
 219                                         G_TYPE_UINT,
 220                                         GDK_TYPE_MODIFIER_TYPE,
 221                                         G_TYPE_UINT);
 222
 223   /**
 224    * GtkCellRendererAccel::accel-cleared:
 225    * @accel: the object reveiving the signal
 226    * @path_string: the path identifying the row of the edited cell
 227    *
 228    * Gets emitted when the user has removed the accelerator.
 229    *
 230    * Since: 2.10
 231    */
 232   signals[ACCEL_CLEARED] = g_signal_new (I_("accel-cleared"),
 233                                          GTK_TYPE_CELL_RENDERER_ACCEL,
 234                                          G_SIGNAL_RUN_LAST,
 235                                          G_STRUCT_OFFSET (GtkCellRendererAccelClass, accel_cleared),
 236                                          NULL, NULL,
 237                                          g_cclosure_marshal_VOID__STRING,
 238                                          G_TYPE_NONE, 1,
 239                                          G_TYPE_STRING);
 240
 241   g_type_class_add_private (cell_accel_class, sizeof (GtkCellRendererAccelPrivate));
 242 }
 243
 244
 245 /**
 246  * gtk_cell_renderer_accel_new:
 247  *
 248  * Creates a new #GtkCellRendererAccel.
 249  *
 250  * Returns: the new cell renderer
 251  *
 252  * Since: 2.10
 253  */
 254 GtkCellRenderer *
 255 gtk_cell_renderer_accel_new (void)
 256 {
 257   return g_object_new (GTK_TYPE_CELL_RENDERER_ACCEL, NULL);
 258 }
 259
 260 static gchar *
 261 convert_keysym_state_to_string (GtkCellRendererAccel *accel,
 262                                 guint                 keysym,
 263                                 GdkModifierType       mask,
 264                                 guint                 keycode)
 265 {
 266   GtkCellRendererAccelPrivate *priv = accel->priv;
 267
 268   if (keysym == 0 && keycode == 0)
 269     /* This label is displayed in a treeview cell displaying
 270      * a disabled accelerator key combination.
 271      */
 272     return g_strdup (C_("Accelerator", "Disabled"));
 273   else
 274     {
 275       if (priv->accel_mode == GTK_CELL_RENDERER_ACCEL_MODE_GTK)
 276         {
 277           if (!gtk_accelerator_valid (keysym, mask))
 278             /* This label is displayed in a treeview cell displaying
 279              * an accelerator key combination that is not valid according
 280              * to gtk_accelerator_valid().
 281              */
 282             return g_strdup (C_("Accelerator", "Invalid"));
 283
 284           return gtk_accelerator_get_label (keysym, mask);
 285         }
 286       else
 287         {
 288           gchar *name;
 289
 290           name = gtk_accelerator_get_label (keysym, mask);
 291           if (name == NULL)
 292             name = gtk_accelerator_name (keysym, mask);
 293
 294           if (keysym == 0)
 295             {
 296               gchar *tmp;
 297
 298               tmp = name;
 299               name = g_strdup_printf ("%s0x%02x", tmp, keycode);
 300               g_free (tmp);
 301             }
 302
 303           return name;
 304         }
 305     }
 306 }
 307
 308 static void
 309 gtk_cell_renderer_accel_get_property  (GObject    *object,
 310                                        guint       param_id,
 311                                        GValue     *value,
 312                                        GParamSpec *pspec)
 313 {
 314   GtkCellRendererAccelPrivate *priv = GTK_CELL_RENDERER_ACCEL (object)->priv;
 315
 316   switch (param_id)
 317     {
 318     case PROP_ACCEL_KEY:
 319       g_value_set_uint (value, priv->accel_key);
 320       break;
 321
 322     case PROP_ACCEL_MODS:
 323       g_value_set_flags (value, priv->accel_mods);
 324       break;
 325
 326     case PROP_KEYCODE:
 327       g_value_set_uint (value, priv->keycode);
 328       break;
 329
 330     case PROP_ACCEL_MODE:
 331       g_value_set_enum (value, priv->accel_mode);
 332       break;
 333
 334     default:
 335       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 336     }
 337 }
 338
 339 static void
 340 gtk_cell_renderer_accel_set_property  (GObject      *object,
 341                                        guint         param_id,
 342                                        const GValue *value,
 343                                        GParamSpec   *pspec)
 344 {
 345   GtkCellRendererAccel *accel = GTK_CELL_RENDERER_ACCEL (object);
 346   GtkCellRendererAccelPrivate *priv = accel->priv;
 347   gboolean changed = FALSE;
 348
 349   switch (param_id)
 350     {
 351     case PROP_ACCEL_KEY:
 352       {
 353         guint accel_key = g_value_get_uint (value);
 354
 355         if (priv->accel_key != accel_key)
 356           {
 357             priv->accel_key = accel_key;
 358             changed = TRUE;
 359           }
 360       }
 361       break;
 362
 363     case PROP_ACCEL_MODS:
 364       {
 365         guint accel_mods = g_value_get_flags (value);
 366
 367         if (priv->accel_mods != accel_mods)
 368           {
 369             priv->accel_mods = accel_mods;
 370             changed = TRUE;
 371           }
 372       }
 373       break;
 374     case PROP_KEYCODE:
 375       {
 376         guint keycode = g_value_get_uint (value);
 377
 378         if (priv->keycode != keycode)
 379           {
 380             priv->keycode = keycode;
 381             changed = TRUE;
 382           }
 383       }
 384       break;
 385
 386     case PROP_ACCEL_MODE:
 387       priv->accel_mode = g_value_get_enum (value);
 388       break;
 389
 390     default:
 391       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 392     }
 393
 394   if (changed)
 395     {
 396       gchar *text;
 397
 398       text = convert_keysym_state_to_string (accel, priv->accel_key, priv->accel_mods, priv->keycode);
 399       g_object_set (accel, "text", text, NULL);
 400       g_free (text);
 401     }
 402 }
 403
 404 static void
 405 gtk_cell_renderer_accel_get_size (GtkCellRenderer *cell,
 406                                   GtkWidget       *widget,
 407                                   GdkRectangle    *cell_area,
 408                                   gint            *x_offset,
 409                                   gint            *y_offset,
 410                                   gint            *width,
 411                                   gint            *height)
 412
 413 {
 414   GtkCellRendererAccelPrivate *priv = GTK_CELL_RENDERER_ACCEL (cell)->priv;
 415   GtkRequisition requisition;
 416
 417   if (priv->sizing_label == NULL)
 418     priv->sizing_label = gtk_label_new (_("New accelerator..."));
 419
 420   gtk_widget_get_preferred_size (priv->sizing_label, &requisition, NULL);
 421
 422   GTK_CELL_RENDERER_CLASS (gtk_cell_renderer_accel_parent_class)->get_size (cell, widget, cell_area,
 423                                                                             x_offset, y_offset, width, height);
 424
 425   /* FIXME: need to take the cell_area et al. into account */
 426   if (width)
 427     *width = MAX (*width, requisition.width);
 428   if (height)
 429     *height = MAX (*height, requisition.height);
 430 }
 431
 432 static gboolean
 433 grab_key_callback (GtkWidget            *widget,
 434                    GdkEventKey          *event,
 435                    GtkCellRendererAccel *accel)
 436 {
 437   GtkCellRendererAccelPrivate *priv = accel->priv;
 438   GdkModifierType accel_mods = 0;
 439   guint accel_key;
 440   gchar *path;
 441   gboolean edited;
 442   gboolean cleared;
 443   GdkModifierType consumed_modifiers;
 444   GdkDisplay *display;
 445
 446   display = gtk_widget_get_display (widget);
 447
 448   if (event->is_modifier)
 449     return TRUE;
 450
 451   edited = FALSE;
 452   cleared = FALSE;
 453
 454   gdk_keymap_translate_keyboard_state (gdk_keymap_get_for_display (display),
 455                                        event->hardware_keycode,
 456                                        event->state,
 457                                        event->group,
 458                                        NULL, NULL, NULL, &consumed_modifiers);
 459
 460   accel_key = gdk_keyval_to_lower (event->keyval);
 461   if (accel_key == GDK_KEY_ISO_Left_Tab)
 462     accel_key = GDK_KEY_Tab;
 463
 464   accel_mods = event->state & gtk_accelerator_get_default_mod_mask ();
 465
 466   /* Filter consumed modifiers
 467    */
 468   if (priv->accel_mode == GTK_CELL_RENDERER_ACCEL_MODE_GTK)
 469     accel_mods &= ~consumed_modifiers;
 470
 471   /* Put shift back if it changed the case of the key, not otherwise.
 472    */
 473   if (accel_key != event->keyval)
 474     accel_mods |= GDK_SHIFT_MASK;
 475
 476   if (accel_mods == 0)
 477     {
 478       switch (event->keyval)
 479         {
 480         case GDK_KEY_Escape:
 481           goto out; /* cancel */
 482         case GDK_KEY_BackSpace:
 483           /* clear the accelerator on Backspace */
 484           cleared = TRUE;
 485           goto out;
 486         default:
 487           break;
 488         }
 489     }
 490
 491   if (priv->accel_mode == GTK_CELL_RENDERER_ACCEL_MODE_GTK)
 492     {
 493       if (!gtk_accelerator_valid (accel_key, accel_mods))
 494         {
 495           gtk_widget_error_bell (widget);
 496
 497           return TRUE;
 498         }
 499     }
 500
 501   edited = TRUE;
 502
 503  out:
 504   gtk_device_grab_remove (priv->grab_widget, priv->grab_pointer);
 505   gdk_device_ungrab (priv->grab_keyboard, event->time);
 506   gdk_device_ungrab (priv->grab_pointer, event->time);
 507
 508   path = g_strdup (g_object_get_data (G_OBJECT (priv->edit_widget), "gtk-cell-renderer-text"));
 509
 510   gtk_cell_editable_editing_done (GTK_CELL_EDITABLE (priv->edit_widget));
 511   gtk_cell_editable_remove_widget (GTK_CELL_EDITABLE (priv->edit_widget));
 512   priv->edit_widget = NULL;
 513   priv->grab_widget = NULL;
 514   priv->grab_keyboard = NULL;
 515   priv->grab_pointer = NULL;
 516
 517   if (edited)
 518     g_signal_emit (accel, signals[ACCEL_EDITED], 0, path,
 519                    accel_key, accel_mods, event->hardware_keycode);
 520   else if (cleared)
 521     g_signal_emit (accel, signals[ACCEL_CLEARED], 0, path);
 522
 523   g_free (path);
 524
 525   return TRUE;
 526 }
 527
 528 static void
 529 ungrab_stuff (GtkWidget            *widget,
 530               GtkCellRendererAccel *accel)
 531 {
 532   GtkCellRendererAccelPrivate *priv = accel->priv;
 533
 534   gtk_device_grab_remove (priv->grab_widget, priv->grab_pointer);
 535   gdk_device_ungrab (priv->grab_keyboard, GDK_CURRENT_TIME);
 536   gdk_device_ungrab (priv->grab_pointer, GDK_CURRENT_TIME);
 537
 538   priv->grab_keyboard = NULL;
 539   priv->grab_pointer = NULL;
 540
 541   g_signal_handlers_disconnect_by_func (priv->grab_widget,
 542                                         G_CALLBACK (grab_key_callback),
 543                                         accel);
 544 }
 545
 546 static void
 547 _gtk_cell_editable_event_box_start_editing (GtkCellEditable *cell_editable,
 548                                             GdkEvent        *event)
 549 {
 550   /* do nothing, because we are pointless */
 551 }
 552
 553 static void
 554 _gtk_cell_editable_event_box_cell_editable_init (GtkCellEditableIface *iface)
 555 {
 556   iface->start_editing = _gtk_cell_editable_event_box_start_editing;
 557 }
 558
 559 typedef GtkEventBox      GtkCellEditableEventBox;
 560 typedef GtkEventBoxClass GtkCellEditableEventBoxClass;
 561
 562 G_DEFINE_TYPE_WITH_CODE (GtkCellEditableEventBox, _gtk_cell_editable_event_box, GTK_TYPE_EVENT_BOX, { \
 563     G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_EDITABLE, _gtk_cell_editable_event_box_cell_editable_init)   \
 564       })
 565
 566
 567 static void
 568 _gtk_cell_editable_event_box_class_init (GtkCellEditableEventBoxClass *class)
 569 {
 570 }
 571
 572 static void
 573 _gtk_cell_editable_event_box_init (GtkCellEditableEventBox *box)
 574 {
 575 }
 576
 577 static GtkCellEditable *
 578 gtk_cell_renderer_accel_start_editing (GtkCellRenderer      *cell,
 579                                        GdkEvent             *event,
 580                                        GtkWidget            *widget,
 581                                        const gchar          *path,
 582                                        GdkRectangle         *background_area,
 583                                        GdkRectangle         *cell_area,
 584                                        GtkCellRendererState  flags)
 585 {
 586   GtkCellRendererAccelPrivate *priv;
 587   GtkCellRendererText *celltext;
 588   GtkCellRendererAccel *accel;
 589   GtkStyle *style;
 590   GtkWidget *label;
 591   GtkWidget *eventbox;
 592   GdkDevice *device, *keyb, *pointer;
 593   GdkWindow *window;
 594   gboolean editable;
 595   guint32 time;
 596
 597   celltext = GTK_CELL_RENDERER_TEXT (cell);
 598   accel = GTK_CELL_RENDERER_ACCEL (cell);
 599   priv = accel->priv;
 600
 601   /* If the cell isn't editable we return NULL. */
 602   g_object_get (celltext, "editable", &editable, NULL);
 603   if (editable == FALSE)
 604     return NULL;
 605
 606   window = gtk_widget_get_window (widget);
 607   style = gtk_widget_get_style (widget);
 608
 609   g_return_val_if_fail (window != NULL, NULL);
 610
 611   if (event)
 612     device = gdk_event_get_device (event);
 613   else
 614     device = gtk_get_current_event_device ();
 615
 616   if (!device)
 617     return NULL;
 618
 619   if (device->source == GDK_SOURCE_KEYBOARD)
 620     {
 621       keyb = device;
 622       pointer = gdk_device_get_associated_device (device);
 623     }
 624   else
 625     {
 626       pointer = device;
 627       keyb = gdk_device_get_associated_device (device);
 628     }
 629
 630   time = gdk_event_get_time (event);
 631
 632   if (gdk_device_grab (keyb, window,
 633                        GDK_OWNERSHIP_WINDOW, FALSE,
 634                        GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
 635                        NULL, time) != GDK_GRAB_SUCCESS)
 636     return NULL;
 637
 638   if (gdk_device_grab (pointer, window,
 639                        GDK_OWNERSHIP_WINDOW, FALSE,
 640                        GDK_BUTTON_PRESS_MASK,
 641                        NULL, time) != GDK_GRAB_SUCCESS)
 642     {
 643       gdk_device_ungrab (keyb, time);
 644       return NULL;
 645     }
 646
 647   priv->grab_keyboard = keyb;
 648   priv->grab_pointer = pointer;
 649   priv->grab_widget = widget;
 650
 651   g_signal_connect (G_OBJECT (widget), "key-press-event",
 652                     G_CALLBACK (grab_key_callback),
 653                     accel);
 654
 655   eventbox = g_object_new (_gtk_cell_editable_event_box_get_type (), NULL);
 656   priv->edit_widget = eventbox;
 657   g_object_add_weak_pointer (G_OBJECT (priv->edit_widget),
 658                              (gpointer) &priv->edit_widget);
 659
 660   label = gtk_label_new (NULL);
 661   gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
 662
 663
 664
 665   gtk_widget_modify_bg (eventbox, GTK_STATE_NORMAL,
 666                         &style->bg[GTK_STATE_SELECTED]);
 667
 668   gtk_widget_modify_fg (label, GTK_STATE_NORMAL,
 669                         &style->fg[GTK_STATE_SELECTED]);
 670
 671   /* This label is displayed in a treeview cell displaying
 672    * an accelerator when the cell is clicked to change the
 673    * acelerator.
 674    */
 675   gtk_label_set_text (GTK_LABEL (label), _("New accelerator..."));
 676
 677   gtk_container_add (GTK_CONTAINER (eventbox), label);
 678
 679   g_object_set_data_full (G_OBJECT (priv->edit_widget), "gtk-cell-renderer-text",
 680                           g_strdup (path), g_free);
 681
 682   gtk_widget_show_all (priv->edit_widget);
 683
 684   gtk_device_grab_add (priv->grab_widget, pointer, TRUE);
 685
 686   g_signal_connect (priv->edit_widget, "unrealize",
 687                     G_CALLBACK (ungrab_stuff), accel);
 688
 689   return GTK_CELL_EDITABLE (priv->edit_widget);
 690 }