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

   1 /* gtkcellrendererprogress.c
   2  * Copyright (C) 2002 Naba Kumar <kh_naba@users.sourceforge.net>
   3  * heavily modified by Jörgen Scheibengruber <mfcn@gmx.de>
   4  * heavily modified by Marco Pesenti Gritti <marco@gnome.org>
   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
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the 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 this library; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21 /*
  22  * Modified by the GTK+ Team and others 1997-2007.  See the AUTHORS
  23  * file for a list of people on the GTK+ Team.  See the ChangeLog
  24  * files for a list of changes.  These files are distributed with
  25  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  26  */
  27
  28 #include "config.h"
  29 #include <stdlib.h>
  30
  31 #include "gtkcellrendererprogress.h"
  32 #include "gtkprogressbar.h"
  33 #include "gtkprivate.h"
  34 #include "gtkintl.h"
  35
  36 #define GTK_CELL_RENDERER_PROGRESS_GET_PRIVATE(object) (G_TYPE_INSTANCE_GET_PRIVATE ((object),                        \
  37                                                                                      GTK_TYPE_CELL_RENDERER_PROGRESS, \
  38                                                                                      GtkCellRendererProgressPrivate))
  39
  40 enum
  41 {
  42   PROP_0,
  43   PROP_VALUE,
  44   PROP_TEXT,
  45   PROP_PULSE,
  46   PROP_TEXT_XALIGN,
  47   PROP_TEXT_YALIGN,
  48   PROP_ORIENTATION
  49 };
  50
  51 struct _GtkCellRendererProgressPrivate
  52 {
  53   gint value;
  54   gchar *text;
  55   gchar *label;
  56   gint min_h;
  57   gint min_w;
  58   gint pulse;
  59   gint offset;
  60   gfloat text_xalign;
  61   gfloat text_yalign;
  62   GtkProgressBarOrientation orientation;
  63 };
  64
  65 static void gtk_cell_renderer_progress_finalize     (GObject                 *object);
  66 static void gtk_cell_renderer_progress_get_property (GObject                 *object,
  67                                                      guint                    param_id,
  68                                                      GValue                  *value,
  69                                                      GParamSpec              *pspec);
  70 static void gtk_cell_renderer_progress_set_property (GObject                 *object,
  71                                                      guint                    param_id,
  72                                                      const GValue            *value,
  73                                                      GParamSpec              *pspec);
  74 static void gtk_cell_renderer_progress_set_value    (GtkCellRendererProgress *cellprogress,
  75                                                      gint                     value);
  76 static void gtk_cell_renderer_progress_set_text     (GtkCellRendererProgress *cellprogress,
  77                                                      const gchar             *text);
  78 static void gtk_cell_renderer_progress_set_pulse    (GtkCellRendererProgress *cellprogress,
  79                                                      gint                     pulse);
  80 static void compute_dimensions                      (GtkCellRenderer         *cell,
  81                                                      GtkWidget               *widget,
  82                                                      const gchar             *text,
  83                                                      gint                    *width,
  84                                                      gint                    *height);
  85 static void gtk_cell_renderer_progress_get_size     (GtkCellRenderer         *cell,
  86                                                      GtkWidget               *widget,
  87                                                      GdkRectangle            *cell_area,
  88                                                      gint                    *x_offset,
  89                                                      gint                    *y_offset,
  90                                                      gint                    *width,
  91                                                      gint                    *height);
  92 static void gtk_cell_renderer_progress_render       (GtkCellRenderer         *cell,
  93                                                      GdkWindow               *window,
  94                                                      GtkWidget               *widget,
  95                                                      GdkRectangle            *background_area,
  96                                                      GdkRectangle            *cell_area,
  97                                                      GdkRectangle            *expose_area,
  98                                                      guint                    flags);
  99
 100
 101 G_DEFINE_TYPE (GtkCellRendererProgress, gtk_cell_renderer_progress, GTK_TYPE_CELL_RENDERER)
 102
 103 static void
 104 gtk_cell_renderer_progress_class_init (GtkCellRendererProgressClass *klass)
 105 {
 106   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 107   GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
 108
 109   object_class->finalize = gtk_cell_renderer_progress_finalize;
 110   object_class->get_property = gtk_cell_renderer_progress_get_property;
 111   object_class->set_property = gtk_cell_renderer_progress_set_property;
 112
 113   cell_class->get_size = gtk_cell_renderer_progress_get_size;
 114   cell_class->render = gtk_cell_renderer_progress_render;
 115
 116   /**
 117    * GtkCellRendererProgress:value:
 118    *
 119    * The "value" property determines the percentage to which the
 120    * progress bar will be "filled in".
 121    *
 122    * Since: 2.6
 123    **/
 124   g_object_class_install_property (object_class,
 125                                    PROP_VALUE,
 126                                    g_param_spec_int ("value",
 127                                                      P_("Value"),
 128                                                      P_("Value of the progress bar"),
 129                                                      0, 100, 0,
 130                                                      GTK_PARAM_READWRITE));
 131
 132   /**
 133    * GtkCellRendererProgress:text:
 134    *
 135    * The "text" property determines the label which will be drawn
 136    * over the progress bar. Setting this property to %NULL causes the default
 137    * label to be displayed. Setting this property to an empty string causes
 138    * no label to be displayed.
 139    *
 140    * Since: 2.6
 141    **/
 142   g_object_class_install_property (object_class,
 143                                    PROP_TEXT,
 144                                    g_param_spec_string ("text",
 145                                                         P_("Text"),
 146                                                         P_("Text on the progress bar"),
 147                                                         NULL,
 148                                                         GTK_PARAM_READWRITE));
 149
 150   /**
 151    * GtkCellRendererProgress:pulse:
 152    *
 153    * Setting this to a non-negative value causes the cell renderer to
 154    * enter "activity mode", where a block bounces back and forth to
 155    * indicate that some progress is made, without specifying exactly how
 156    * much.
 157    *
 158    * Each increment of the property causes the block to move by a little
 159    * bit.
 160    *
 161    * To indicate that the activity has not started yet, set the property
 162    * to zero. To indicate completion, set the property to %G_MAXINT.
 163    *
 164    * Since: 2.12
 165    */
 166   g_object_class_install_property (object_class,
 167                                    PROP_PULSE,
 168                                    g_param_spec_int ("pulse",
 169                                                      P_("Pulse"),
 170                                                      P_("Set this to positive values to indicate that some progress is made, but you don't know how much."),
 171                                                      -1, G_MAXINT, -1,
 172                                                      GTK_PARAM_READWRITE));
 173
 174   /**
 175    * GtkCellRendererProgress:text-xalign:
 176    *
 177    * The "text-xalign" property controls the horizontal alignment of the
 178    * text in the progress bar.  Valid values range from 0 (left) to 1
 179    * (right).  Reserved for RTL layouts.
 180    *
 181    * Since: 2.12
 182    */
 183   g_object_class_install_property (object_class,
 184                                    PROP_TEXT_XALIGN,
 185                                    g_param_spec_float ("text-xalign",
 186                                                        P_("Text x alignment"),
 187                                                        P_("The horizontal text alignment, from 0 (left) to 1 (right). Reversed for RTL layouts."),
 188                                                        0.0, 1.0, 0.5,
 189                                                        GTK_PARAM_READWRITE));
 190
 191   /**
 192    * GtkCellRendererProgress:text-yalign:
 193    *
 194    * The "text-yalign" property controls the vertical alignment of the
 195    * text in the progress bar.  Valid values range from 0 (top) to 1
 196    * (bottom).
 197    *
 198    * Since: 2.12
 199    */
 200   g_object_class_install_property (object_class,
 201                                    PROP_TEXT_YALIGN,
 202                                    g_param_spec_float ("text-yalign",
 203                                                        P_("Text y alignment"),
 204                                                        P_("The vertical text alignment, from 0 (top) to 1 (bottom)."),
 205                                                        0.0, 1.0, 0.5,
 206                                                        GTK_PARAM_READWRITE));
 207
 208   /**
 209    * GtkCellRendererProgress:orientation:
 210    *
 211    * The "orientation" property controls the direction and growth
 212    * direction of the progress bar (left-to-right, right-to-left,
 213    * top-to-bottom or bottom-to-top).
 214    *
 215    * Since: 2.12
 216    */
 217   g_object_class_install_property (object_class,
 218                                    PROP_ORIENTATION,
 219                                    g_param_spec_enum ("orientation",
 220                                                       P_("Orientation"),
 221                                                       P_("Orientation and growth direction of the progress bar"),
 222                                                       GTK_TYPE_PROGRESS_BAR_ORIENTATION,
 223                                                       GTK_PROGRESS_LEFT_TO_RIGHT,
 224                                                       GTK_PARAM_READWRITE));
 225
 226
 227   g_type_class_add_private (object_class,
 228                             sizeof (GtkCellRendererProgressPrivate));
 229 }
 230
 231 static void
 232 gtk_cell_renderer_progress_init (GtkCellRendererProgress *cellprogress)
 233 {
 234   GtkCellRendererProgressPrivate *priv = GTK_CELL_RENDERER_PROGRESS_GET_PRIVATE (cellprogress);
 235
 236   priv->value = 0;
 237   priv->text = NULL;
 238   priv->label = NULL;
 239   priv->min_w = -1;
 240   priv->min_h = -1;
 241   priv->pulse = -1;
 242   priv->offset = 0;
 243
 244   priv->text_xalign = 0.5;
 245   priv->text_yalign = 0.5;
 246
 247   priv->orientation = GTK_PROGRESS_LEFT_TO_RIGHT;
 248
 249   cellprogress->priv = priv;
 250 }
 251
 252
 253 /**
 254  * gtk_cell_renderer_progress_new:
 255  *
 256  * Creates a new #GtkCellRendererProgress.
 257  *
 258  * Return value: the new cell renderer
 259  *
 260  * Since: 2.6
 261  **/
 262 GtkCellRenderer*
 263 gtk_cell_renderer_progress_new (void)
 264 {
 265   return g_object_new (GTK_TYPE_CELL_RENDERER_PROGRESS, NULL);
 266 }
 267
 268 static void
 269 gtk_cell_renderer_progress_finalize (GObject *object)
 270 {
 271   GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (object);
 272   GtkCellRendererProgressPrivate *priv = cellprogress->priv;
 273
 274   g_free (priv->text);
 275   g_free (priv->label);
 276
 277   G_OBJECT_CLASS (gtk_cell_renderer_progress_parent_class)->finalize (object);
 278 }
 279
 280 static void
 281 gtk_cell_renderer_progress_get_property (GObject *object,
 282                                          guint param_id,
 283                                          GValue *value,
 284                                          GParamSpec *pspec)
 285 {
 286   GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (object);
 287   GtkCellRendererProgressPrivate *priv = cellprogress->priv;
 288
 289   switch (param_id)
 290     {
 291     case PROP_VALUE:
 292       g_value_set_int (value, priv->value);
 293       break;
 294     case PROP_TEXT:
 295       g_value_set_string (value, priv->text);
 296       break;
 297     case PROP_PULSE:
 298       g_value_set_int (value, priv->pulse);
 299       break;
 300     case PROP_TEXT_XALIGN:
 301       g_value_set_float (value, priv->text_xalign);
 302       break;
 303     case PROP_TEXT_YALIGN:
 304       g_value_set_float (value, priv->text_yalign);
 305       break;
 306     case PROP_ORIENTATION:
 307       g_value_set_enum (value, priv->orientation);
 308       break;
 309     default:
 310       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 311     }
 312 }
 313
 314 static void
 315 gtk_cell_renderer_progress_set_property (GObject *object,
 316                                          guint param_id,
 317                                          const GValue *value,
 318                                          GParamSpec   *pspec)
 319 {
 320   GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (object);
 321   GtkCellRendererProgressPrivate *priv = cellprogress->priv;
 322
 323   switch (param_id)
 324     {
 325     case PROP_VALUE:
 326       gtk_cell_renderer_progress_set_value (cellprogress,
 327                                             g_value_get_int (value));
 328       break;
 329     case PROP_TEXT:
 330       gtk_cell_renderer_progress_set_text (cellprogress,
 331                                            g_value_get_string (value));
 332       break;
 333     case PROP_PULSE:
 334       gtk_cell_renderer_progress_set_pulse (cellprogress,
 335                                             g_value_get_int (value));
 336       break;
 337     case PROP_TEXT_XALIGN:
 338       priv->text_xalign = g_value_get_float (value);
 339       break;
 340     case PROP_TEXT_YALIGN:
 341       priv->text_yalign = g_value_get_float (value);
 342       break;
 343     case PROP_ORIENTATION:
 344       priv->orientation = g_value_get_enum (value);
 345       break;
 346     default:
 347       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 348     }
 349 }
 350
 351 static void
 352 recompute_label (GtkCellRendererProgress *cellprogress)
 353 {
 354   GtkCellRendererProgressPrivate *priv = cellprogress->priv;
 355   gchar *label;
 356
 357   if (priv->text)
 358     label = g_strdup (priv->text);
 359   else if (priv->pulse < 0)
 360     label = g_strdup_printf (C_("progress bar label", "%d %%"), priv->value);
 361   else
 362     label = NULL;
 363
 364   g_free (priv->label);
 365   priv->label = label;
 366 }
 367
 368 static void
 369 gtk_cell_renderer_progress_set_value (GtkCellRendererProgress *cellprogress,
 370                                       gint                     value)
 371 {
 372   cellprogress->priv->value = value;
 373
 374   recompute_label (cellprogress);
 375 }
 376
 377 static void
 378 gtk_cell_renderer_progress_set_text (GtkCellRendererProgress *cellprogress,
 379                                      const gchar             *text)
 380 {
 381   gchar *new_text;
 382
 383   new_text = g_strdup (text);
 384   g_free (cellprogress->priv->text);
 385   cellprogress->priv->text = new_text;
 386
 387   recompute_label (cellprogress);
 388 }
 389
 390 static void
 391 gtk_cell_renderer_progress_set_pulse (GtkCellRendererProgress *cellprogress,
 392                                       gint                     pulse)
 393 {
 394    GtkCellRendererProgressPrivate *priv = cellprogress->priv;
 395
 396    if (pulse != priv->pulse)
 397      {
 398        if (pulse <= 0)
 399          priv->offset = 0;
 400        else
 401          priv->offset = pulse;
 402      }
 403
 404    priv->pulse = pulse;
 405
 406    recompute_label (cellprogress);
 407 }
 408
 409 static void
 410 compute_dimensions (GtkCellRenderer *cell,
 411                     GtkWidget       *widget,
 412                     const gchar     *text,
 413                     gint            *width,
 414                     gint            *height)
 415 {
 416   PangoRectangle logical_rect;
 417   PangoLayout *layout;
 418
 419   layout = gtk_widget_create_pango_layout (widget, text);
 420   pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
 421
 422   if (width)
 423     *width = logical_rect.width + cell->xpad * 2;
 424
 425   if (height)
 426     *height = logical_rect.height + cell->ypad * 2;
 427
 428   g_object_unref (layout);
 429 }
 430
 431 static void
 432 gtk_cell_renderer_progress_get_size (GtkCellRenderer *cell,
 433                                      GtkWidget       *widget,
 434                                      GdkRectangle    *cell_area,
 435                                      gint            *x_offset,
 436                                      gint            *y_offset,
 437                                      gint            *width,
 438                                      gint            *height)
 439 {
 440   GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (cell);
 441   GtkCellRendererProgressPrivate *priv = cellprogress->priv;
 442   gint w, h;
 443   gchar *text;
 444
 445   if (priv->min_w < 0)
 446     {
 447       text = g_strdup_printf (C_("progress bar label", "%d %%"), 100);
 448       compute_dimensions (cell, widget, text,
 449                           &priv->min_w,
 450                           &priv->min_h);
 451       g_free (text);
 452     }
 453
 454   compute_dimensions (cell, widget, priv->label, &w, &h);
 455
 456   if (width)
 457     *width = MAX (priv->min_w, w);
 458
 459   if (height)
 460     *height = MIN (priv->min_h, h);
 461
 462   /* FIXME: at the moment cell_area is only set when we are requesting
 463    * the size for drawing the focus rectangle. We now just return
 464    * the last size we used for drawing the progress bar, which will
 465    * work for now. Not a really nice solution though.
 466    */
 467   if (cell_area)
 468     {
 469       if (width)
 470         *width = cell_area->width;
 471       if (height)
 472         *height = cell_area->height;
 473     }
 474
 475   if (x_offset) *x_offset = 0;
 476   if (y_offset) *y_offset = 0;
 477 }
 478
 479 static inline gint
 480 get_bar_size (gint pulse,
 481               gint value,
 482               gint full_size)
 483 {
 484   gint bar_size;
 485
 486   if (pulse < 0)
 487     bar_size = full_size * MAX (0, value) / 100;
 488   else if (pulse == 0)
 489     bar_size = 0;
 490   else if (pulse == G_MAXINT)
 491     bar_size = full_size;
 492   else
 493     bar_size = MAX (2, full_size / 5);
 494
 495   return bar_size;
 496 }
 497
 498 static inline gint
 499 get_bar_position (gint     start,
 500                   gint     full_size,
 501                   gint     bar_size,
 502                   gint     pulse,
 503                   gint     offset,
 504                   gboolean is_rtl)
 505 {
 506   gint position;
 507
 508   if (pulse < 0 || pulse == 0 || pulse == G_MAXINT)
 509     {
 510       position = is_rtl ? (start + full_size - bar_size) : start;
 511     }
 512   else
 513     {
 514       position = (is_rtl ? offset + 12 : offset) % 24;
 515       if (position > 12)
 516         position = 24 - position;
 517       position = start + full_size * position / 15;
 518     }
 519
 520   return position;
 521 }
 522
 523 static void
 524 gtk_cell_renderer_progress_render (GtkCellRenderer *cell,
 525                                    GdkWindow       *window,
 526                                    GtkWidget       *widget,
 527                                    GdkRectangle    *background_area,
 528                                    GdkRectangle    *cell_area,
 529                                    GdkRectangle    *expose_area,
 530                                    guint            flags)
 531 {
 532   GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (cell);
 533   GtkCellRendererProgressPrivate *priv= cellprogress->priv;
 534   PangoLayout *layout;
 535   PangoRectangle logical_rect;
 536   gint x, y, w, h, x_pos, y_pos, bar_position, bar_size, start, full_size;
 537   GdkRectangle clip;
 538   gboolean is_rtl;
 539
 540   is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL;
 541
 542   x = cell_area->x + cell->xpad;
 543   y = cell_area->y + cell->ypad;
 544   w = cell_area->width - cell->xpad * 2;
 545   h = cell_area->height - cell->ypad * 2;
 546
 547   /* FIXME: GtkProgressBar draws the box with "trough" detail,
 548    * but some engines don't paint anything with that detail for
 549    * non-GtkProgressBar widgets.
 550    */
 551   gtk_paint_box (widget->style,
 552                  window,
 553                  GTK_STATE_NORMAL, GTK_SHADOW_IN,
 554                  NULL, widget, NULL,
 555                  x, y, w, h);
 556
 557   if (priv->orientation == GTK_PROGRESS_LEFT_TO_RIGHT
 558       || priv->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
 559     {
 560       clip.y = y;
 561       clip.height = h;
 562
 563       start = x;
 564       full_size = w;
 565
 566       bar_size = get_bar_size (priv->pulse, priv->value, full_size);
 567
 568       if (priv->orientation == GTK_PROGRESS_LEFT_TO_RIGHT)
 569         bar_position = get_bar_position (start, full_size, bar_size,
 570                                          priv->pulse, priv->offset, is_rtl);
 571       else
 572         bar_position = get_bar_position (start, full_size, bar_size,
 573                                          priv->pulse, priv->offset, !is_rtl);
 574
 575       clip.width = bar_size;
 576       clip.x = bar_position;
 577     }
 578   else
 579     {
 580       clip.x = x;
 581       clip.width = w;
 582
 583       start = y;
 584       full_size = h;
 585
 586       bar_size = get_bar_size (priv->pulse, priv->value, full_size);
 587
 588       if (priv->orientation == GTK_PROGRESS_BOTTOM_TO_TOP)
 589         bar_position = get_bar_position (start, full_size, bar_size,
 590                                          priv->pulse, priv->offset, TRUE);
 591       else
 592         bar_position = get_bar_position (start, full_size, bar_size,
 593                                          priv->pulse, priv->offset, FALSE);
 594
 595       clip.height = bar_size;
 596       clip.y = bar_position;
 597     }
 598
 599   gtk_paint_box (widget->style,
 600                  window,
 601                  GTK_STATE_SELECTED, GTK_SHADOW_OUT,
 602                  &clip, widget, "bar",
 603                  clip.x, clip.y,
 604                  clip.width, clip.height);
 605
 606   if (priv->label)
 607     {
 608       gfloat text_xalign;
 609
 610       layout = gtk_widget_create_pango_layout (widget, priv->label);
 611       pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
 612
 613       if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_LTR)
 614         text_xalign = 1.0 - priv->text_xalign;
 615       else
 616         text_xalign = priv->text_xalign;
 617
 618       x_pos = x + widget->style->xthickness + text_xalign *
 619         (w - 2 * widget->style->xthickness - logical_rect.width);
 620
 621       y_pos = y + widget->style->ythickness + priv->text_yalign *
 622         (h - 2 * widget->style->ythickness - logical_rect.height);
 623
 624       gtk_paint_layout (widget->style, window,
 625                         GTK_STATE_SELECTED,
 626                         FALSE, &clip, widget, "progressbar",
 627                         x_pos, y_pos,
 628                         layout);
 629
 630       if (bar_position > start)
 631         {
 632           if (priv->orientation == GTK_PROGRESS_LEFT_TO_RIGHT
 633               || priv->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
 634             {
 635               clip.x = x;
 636               clip.width = bar_position - x;
 637             }
 638           else
 639             {
 640               clip.y = y;
 641               clip.height = bar_position - y;
 642             }
 643
 644           gtk_paint_layout (widget->style, window,
 645                             GTK_STATE_NORMAL,
 646                             FALSE, &clip, widget, "progressbar",
 647                             x_pos, y_pos,
 648                             layout);
 649         }
 650
 651       if (bar_position + bar_size < start + full_size)
 652         {
 653           if (priv->orientation == GTK_PROGRESS_LEFT_TO_RIGHT
 654               || priv->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
 655             {
 656               clip.x = bar_position + bar_size;
 657               clip.width = x + w - (bar_position + bar_size);
 658             }
 659           else
 660             {
 661               clip.y = bar_position + bar_size;
 662               clip.height = y + h - (bar_position + bar_size);
 663             }
 664
 665           gtk_paint_layout (widget->style, window,
 666                             GTK_STATE_NORMAL,
 667                             FALSE, &clip, widget, "progressbar",
 668                             x_pos, y_pos,
 669                             layout);
 670         }
 671
 672       g_object_unref (layout);
 673     }
 674 }