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
  37 enum
  38 {
  39   PROP_0,
  40   PROP_VALUE,
  41   PROP_TEXT,
  42   PROP_PULSE,
  43   PROP_TEXT_XALIGN,
  44   PROP_TEXT_YALIGN,
  45   PROP_ORIENTATION
  46 };
  47
  48 struct _GtkCellRendererProgressPrivate
  49 {
  50   gint value;
  51   gchar *text;
  52   gchar *label;
  53   gint min_h;
  54   gint min_w;
  55   gint pulse;
  56   gint offset;
  57   gfloat text_xalign;
  58   gfloat text_yalign;
  59   GtkProgressBarOrientation orientation;
  60 };
  61
  62 static void gtk_cell_renderer_progress_finalize     (GObject                 *object);
  63 static void gtk_cell_renderer_progress_get_property (GObject                 *object,
  64                                                      guint                    param_id,
  65                                                      GValue                  *value,
  66                                                      GParamSpec              *pspec);
  67 static void gtk_cell_renderer_progress_set_property (GObject                 *object,
  68                                                      guint                    param_id,
  69                                                      const GValue            *value,
  70                                                      GParamSpec              *pspec);
  71 static void gtk_cell_renderer_progress_set_value    (GtkCellRendererProgress *cellprogress,
  72                                                      gint                     value);
  73 static void gtk_cell_renderer_progress_set_text     (GtkCellRendererProgress *cellprogress,
  74                                                      const gchar             *text);
  75 static void gtk_cell_renderer_progress_set_pulse    (GtkCellRendererProgress *cellprogress,
  76                                                      gint                     pulse);
  77 static void compute_dimensions                      (GtkCellRenderer         *cell,
  78                                                      GtkWidget               *widget,
  79                                                      const gchar             *text,
  80                                                      gint                    *width,
  81                                                      gint                    *height);
  82 static void gtk_cell_renderer_progress_get_size     (GtkCellRenderer         *cell,
  83                                                      GtkWidget               *widget,
  84                                                      GdkRectangle            *cell_area,
  85                                                      gint                    *x_offset,
  86                                                      gint                    *y_offset,
  87                                                      gint                    *width,
  88                                                      gint                    *height);
  89 static void gtk_cell_renderer_progress_render       (GtkCellRenderer         *cell,
  90                                                      GdkWindow               *window,
  91                                                      GtkWidget               *widget,
  92                                                      GdkRectangle            *background_area,
  93                                                      GdkRectangle            *cell_area,
  94                                                      GdkRectangle            *expose_area,
  95                                                      guint                    flags);
  96
  97
  98 G_DEFINE_TYPE (GtkCellRendererProgress, gtk_cell_renderer_progress, GTK_TYPE_CELL_RENDERER)
  99
 100 static void
 101 gtk_cell_renderer_progress_class_init (GtkCellRendererProgressClass *klass)
 102 {
 103   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 104   GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
 105
 106   object_class->finalize = gtk_cell_renderer_progress_finalize;
 107   object_class->get_property = gtk_cell_renderer_progress_get_property;
 108   object_class->set_property = gtk_cell_renderer_progress_set_property;
 109
 110   cell_class->get_size = gtk_cell_renderer_progress_get_size;
 111   cell_class->render = gtk_cell_renderer_progress_render;
 112
 113   /**
 114    * GtkCellRendererProgress:value:
 115    *
 116    * The "value" property determines the percentage to which the
 117    * progress bar will be "filled in".
 118    *
 119    * Since: 2.6
 120    **/
 121   g_object_class_install_property (object_class,
 122                                    PROP_VALUE,
 123                                    g_param_spec_int ("value",
 124                                                      P_("Value"),
 125                                                      P_("Value of the progress bar"),
 126                                                      0, 100, 0,
 127                                                      GTK_PARAM_READWRITE));
 128
 129   /**
 130    * GtkCellRendererProgress:text:
 131    *
 132    * The "text" property determines the label which will be drawn
 133    * over the progress bar. Setting this property to %NULL causes the default
 134    * label to be displayed. Setting this property to an empty string causes
 135    * no label to be displayed.
 136    *
 137    * Since: 2.6
 138    **/
 139   g_object_class_install_property (object_class,
 140                                    PROP_TEXT,
 141                                    g_param_spec_string ("text",
 142                                                         P_("Text"),
 143                                                         P_("Text on the progress bar"),
 144                                                         NULL,
 145                                                         GTK_PARAM_READWRITE));
 146
 147   /**
 148    * GtkCellRendererProgress:pulse:
 149    *
 150    * Setting this to a non-negative value causes the cell renderer to
 151    * enter "activity mode", where a block bounces back and forth to
 152    * indicate that some progress is made, without specifying exactly how
 153    * much.
 154    *
 155    * Each increment of the property causes the block to move by a little
 156    * bit.
 157    *
 158    * To indicate that the activity has not started yet, set the property
 159    * to zero. To indicate completion, set the property to %G_MAXINT.
 160    *
 161    * Since: 2.12
 162    */
 163   g_object_class_install_property (object_class,
 164                                    PROP_PULSE,
 165                                    g_param_spec_int ("pulse",
 166                                                      P_("Pulse"),
 167                                                      P_("Set this to positive values to indicate that some progress is made, but you don't know how much."),
 168                                                      -1, G_MAXINT, -1,
 169                                                      GTK_PARAM_READWRITE));
 170
 171   /**
 172    * GtkCellRendererProgress:text-xalign:
 173    *
 174    * The "text-xalign" property controls the horizontal alignment of the
 175    * text in the progress bar.  Valid values range from 0 (left) to 1
 176    * (right).  Reserved for RTL layouts.
 177    *
 178    * Since: 2.12
 179    */
 180   g_object_class_install_property (object_class,
 181                                    PROP_TEXT_XALIGN,
 182                                    g_param_spec_float ("text-xalign",
 183                                                        P_("Text x alignment"),
 184                                                        P_("The horizontal text alignment, from 0 (left) to 1 (right). Reversed for RTL layouts."),
 185                                                        0.0, 1.0, 0.5,
 186                                                        GTK_PARAM_READWRITE));
 187
 188   /**
 189    * GtkCellRendererProgress:text-yalign:
 190    *
 191    * The "text-yalign" property controls the vertical alignment of the
 192    * text in the progress bar.  Valid values range from 0 (top) to 1
 193    * (bottom).
 194    *
 195    * Since: 2.12
 196    */
 197   g_object_class_install_property (object_class,
 198                                    PROP_TEXT_YALIGN,
 199                                    g_param_spec_float ("text-yalign",
 200                                                        P_("Text y alignment"),
 201                                                        P_("The vertical text alignment, from 0 (top) to 1 (bottom)."),
 202                                                        0.0, 1.0, 0.5,
 203                                                        GTK_PARAM_READWRITE));
 204
 205   /**
 206    * GtkCellRendererProgress:orientation:
 207    *
 208    * The "orientation" property controls the direction and growth
 209    * direction of the progress bar (left-to-right, right-to-left,
 210    * top-to-bottom or bottom-to-top).
 211    *
 212    * Since: 2.12
 213    */
 214   g_object_class_install_property (object_class,
 215                                    PROP_ORIENTATION,
 216                                    g_param_spec_enum ("orientation",
 217                                                       P_("Orientation"),
 218                                                       P_("Orientation and growth direction of the progress bar"),
 219                                                       GTK_TYPE_PROGRESS_BAR_ORIENTATION,
 220                                                       GTK_PROGRESS_LEFT_TO_RIGHT,
 221                                                       GTK_PARAM_READWRITE));
 222
 223
 224   g_type_class_add_private (object_class,
 225                             sizeof (GtkCellRendererProgressPrivate));
 226 }
 227
 228 static void
 229 gtk_cell_renderer_progress_init (GtkCellRendererProgress *cellprogress)
 230 {
 231   GtkCellRendererProgressPrivate *priv;
 232
 233   cellprogress->priv = G_TYPE_INSTANCE_GET_PRIVATE (cellprogress,
 234                                                     GTK_TYPE_CELL_RENDERER_PROGRESS,
 235                                                     GtkCellRendererProgressPrivate);
 236   priv = cellprogress->priv;
 237
 238   priv->value = 0;
 239   priv->text = NULL;
 240   priv->label = NULL;
 241   priv->min_w = -1;
 242   priv->min_h = -1;
 243   priv->pulse = -1;
 244   priv->offset = 0;
 245
 246   priv->text_xalign = 0.5;
 247   priv->text_yalign = 0.5;
 248
 249   priv->orientation = GTK_PROGRESS_LEFT_TO_RIGHT;
 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   gint xpad, ypad;
 419
 420   layout = gtk_widget_create_pango_layout (widget, text);
 421   pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
 422
 423   gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
 424
 425   if (width)
 426     *width = logical_rect.width + xpad * 2;
 427
 428   if (height)
 429     *height = logical_rect.height + ypad * 2;
 430
 431   g_object_unref (layout);
 432 }
 433
 434 static void
 435 gtk_cell_renderer_progress_get_size (GtkCellRenderer *cell,
 436                                      GtkWidget       *widget,
 437                                      GdkRectangle    *cell_area,
 438                                      gint            *x_offset,
 439                                      gint            *y_offset,
 440                                      gint            *width,
 441                                      gint            *height)
 442 {
 443   GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (cell);
 444   GtkCellRendererProgressPrivate *priv = cellprogress->priv;
 445   gint w, h;
 446   gchar *text;
 447
 448   if (priv->min_w < 0)
 449     {
 450       text = g_strdup_printf (C_("progress bar label", "%d %%"), 100);
 451       compute_dimensions (cell, widget, text,
 452                           &priv->min_w,
 453                           &priv->min_h);
 454       g_free (text);
 455     }
 456
 457   compute_dimensions (cell, widget, priv->label, &w, &h);
 458
 459   if (width)
 460     *width = MAX (priv->min_w, w);
 461
 462   if (height)
 463     *height = MIN (priv->min_h, h);
 464
 465   /* FIXME: at the moment cell_area is only set when we are requesting
 466    * the size for drawing the focus rectangle. We now just return
 467    * the last size we used for drawing the progress bar, which will
 468    * work for now. Not a really nice solution though.
 469    */
 470   if (cell_area)
 471     {
 472       if (width)
 473         *width = cell_area->width;
 474       if (height)
 475         *height = cell_area->height;
 476     }
 477
 478   if (x_offset) *x_offset = 0;
 479   if (y_offset) *y_offset = 0;
 480 }
 481
 482 static inline gint
 483 get_bar_size (gint pulse,
 484               gint value,
 485               gint full_size)
 486 {
 487   gint bar_size;
 488
 489   if (pulse < 0)
 490     bar_size = full_size * MAX (0, value) / 100;
 491   else if (pulse == 0)
 492     bar_size = 0;
 493   else if (pulse == G_MAXINT)
 494     bar_size = full_size;
 495   else
 496     bar_size = MAX (2, full_size / 5);
 497
 498   return bar_size;
 499 }
 500
 501 static inline gint
 502 get_bar_position (gint     start,
 503                   gint     full_size,
 504                   gint     bar_size,
 505                   gint     pulse,
 506                   gint     offset,
 507                   gboolean is_rtl)
 508 {
 509   gint position;
 510
 511   if (pulse < 0 || pulse == 0 || pulse == G_MAXINT)
 512     {
 513       position = is_rtl ? (start + full_size - bar_size) : start;
 514     }
 515   else
 516     {
 517       position = (is_rtl ? offset + 12 : offset) % 24;
 518       if (position > 12)
 519         position = 24 - position;
 520       position = start + full_size * position / 15;
 521     }
 522
 523   return position;
 524 }
 525
 526 static void
 527 gtk_cell_renderer_progress_render (GtkCellRenderer *cell,
 528                                    GdkWindow       *window,
 529                                    GtkWidget       *widget,
 530                                    GdkRectangle    *background_area,
 531                                    GdkRectangle    *cell_area,
 532                                    GdkRectangle    *expose_area,
 533                                    guint            flags)
 534 {
 535   GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (cell);
 536   GtkCellRendererProgressPrivate *priv= cellprogress->priv;
 537   GtkStyle *style;
 538   PangoLayout *layout;
 539   PangoRectangle logical_rect;
 540   gint x, y, w, h, x_pos, y_pos, bar_position, bar_size, start, full_size;
 541   gint xpad, ypad;
 542   GdkRectangle clip;
 543   gboolean is_rtl;
 544
 545   style = gtk_widget_get_style (widget);
 546
 547   is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL;
 548
 549   gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
 550   x = cell_area->x + xpad;
 551   y = cell_area->y + ypad;
 552   w = cell_area->width - xpad * 2;
 553   h = cell_area->height - ypad * 2;
 554
 555   /* FIXME: GtkProgressBar draws the box with "trough" detail,
 556    * but some engines don't paint anything with that detail for
 557    * non-GtkProgressBar widgets.
 558    */
 559   gtk_paint_box (style,
 560                  window,
 561                  GTK_STATE_NORMAL, GTK_SHADOW_IN,
 562                  NULL, widget, NULL,
 563                  x, y, w, h);
 564
 565   if (priv->orientation == GTK_PROGRESS_LEFT_TO_RIGHT
 566       || priv->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
 567     {
 568       clip.y = y;
 569       clip.height = h;
 570
 571       start = x;
 572       full_size = w;
 573
 574       bar_size = get_bar_size (priv->pulse, priv->value, full_size);
 575
 576       if (priv->orientation == GTK_PROGRESS_LEFT_TO_RIGHT)
 577         bar_position = get_bar_position (start, full_size, bar_size,
 578                                          priv->pulse, priv->offset, is_rtl);
 579       else
 580         bar_position = get_bar_position (start, full_size, bar_size,
 581                                          priv->pulse, priv->offset, !is_rtl);
 582
 583       clip.width = bar_size;
 584       clip.x = bar_position;
 585     }
 586   else
 587     {
 588       clip.x = x;
 589       clip.width = w;
 590
 591       start = y;
 592       full_size = h;
 593
 594       bar_size = get_bar_size (priv->pulse, priv->value, full_size);
 595
 596       if (priv->orientation == GTK_PROGRESS_BOTTOM_TO_TOP)
 597         bar_position = get_bar_position (start, full_size, bar_size,
 598                                          priv->pulse, priv->offset, TRUE);
 599       else
 600         bar_position = get_bar_position (start, full_size, bar_size,
 601                                          priv->pulse, priv->offset, FALSE);
 602
 603       clip.height = bar_size;
 604       clip.y = bar_position;
 605     }
 606
 607   gtk_paint_box (style,
 608                  window,
 609                  GTK_STATE_SELECTED, GTK_SHADOW_OUT,
 610                  &clip, widget, "bar",
 611                  clip.x, clip.y,
 612                  clip.width, clip.height);
 613
 614   if (priv->label)
 615     {
 616       gfloat text_xalign;
 617
 618       layout = gtk_widget_create_pango_layout (widget, priv->label);
 619       pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
 620
 621       if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_LTR)
 622         text_xalign = 1.0 - priv->text_xalign;
 623       else
 624         text_xalign = priv->text_xalign;
 625
 626       x_pos = x + style->xthickness + text_xalign *
 627         (w - 2 * style->xthickness - logical_rect.width);
 628
 629       y_pos = y + style->ythickness + priv->text_yalign *
 630         (h - 2 * style->ythickness - logical_rect.height);
 631
 632       gtk_paint_layout (style, window,
 633                         GTK_STATE_SELECTED,
 634                         FALSE, &clip, widget, "progressbar",
 635                         x_pos, y_pos,
 636                         layout);
 637
 638       if (bar_position > start)
 639         {
 640           if (priv->orientation == GTK_PROGRESS_LEFT_TO_RIGHT
 641               || priv->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
 642             {
 643               clip.x = x;
 644               clip.width = bar_position - x;
 645             }
 646           else
 647             {
 648               clip.y = y;
 649               clip.height = bar_position - y;
 650             }
 651
 652           gtk_paint_layout (style, window,
 653                             GTK_STATE_NORMAL,
 654                             FALSE, &clip, widget, "progressbar",
 655                             x_pos, y_pos,
 656                             layout);
 657         }
 658
 659       if (bar_position + bar_size < start + full_size)
 660         {
 661           if (priv->orientation == GTK_PROGRESS_LEFT_TO_RIGHT
 662               || priv->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
 663             {
 664               clip.x = bar_position + bar_size;
 665               clip.width = x + w - (bar_position + bar_size);
 666             }
 667           else
 668             {
 669               clip.y = bar_position + bar_size;
 670               clip.height = y + h - (bar_position + bar_size);
 671             }
 672
 673           gtk_paint_layout (style, window,
 674                             GTK_STATE_NORMAL,
 675                             FALSE, &clip, widget, "progressbar",
 676                             x_pos, y_pos,
 677                             layout);
 678         }
 679
 680       g_object_unref (layout);
 681     }
 682 }