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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2011 Alberto Ruiz <aruiz@gnome.org>
   3  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   4  *
   5  * Massively updated to rework the user interface by Alberto Ruiz, 2011
   6  * Massively updated for Pango by Owen Taylor, May 2000
   7  * GtkFontChooser widget for Gtk+, by Damon Chaplin, May 1998.
   8  * Based on the GnomeFontSelector widget, by Elliot Lee, but major changes.
   9  * The GnomeFontSelector was derived from app/text_tool.c in the GIMP.
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the
  23  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24  * Boston, MA 02111-1307, USA.
  25  */
  26
  27 #include "config.h"
  28
  29 #include <stdlib.h>
  30 #include <glib/gprintf.h>
  31 #include <string.h>
  32
  33 #include <atk/atk.h>
  34
  35 #include "gtkfontchooser.h"
  36 #include "gtkcellrenderertext.h"
  37 #include "gtkentry.h"
  38 #include "gtkframe.h"
  39 #include "gtkhbbox.h"
  40 #include "gtkhbox.h"
  41 #include "gtklabel.h"
  42 #include "gtkliststore.h"
  43 #include "gtkstock.h"
  44 #include "gtktreeselection.h"
  45 #include "gtktreeview.h"
  46 #include "gtkbox.h"
  47 #include "gtkscrolledwindow.h"
  48 #include "gtkintl.h"
  49 #include "gtkaccessible.h"
  50 #include "gtkbuildable.h"
  51 #include "gtkprivate.h"
  52 #include "gtkalignment.h"
  53 #include "gtkscale.h"
  54 #include "gtkbox.h"
  55 #include "gtkspinbutton.h"
  56 #include "gtkwidget.h"
  57 #include "gtkgrid.h"
  58
  59 /**
  60  * SECTION:gtkfontchooser
  61  * @Short_description: A widget for selecting fonts
  62  * @Title: GtkFontChooser
  63  * @See_also: #GtkFontChooserDialog
  64  *
  65  * The #GtkFontChooser widget lists the available fonts, styles and sizes,
  66  * allowing the user to select a font.
  67  * It is used in the #GtkFontChooserDialog widget to provide a dialog box for
  68  * selecting fonts.
  69  *
  70  * To set the font which is initially selected, use
  71  * gtk_font_chooser_set_font_name().
  72  *
  73  * To get the selected font use gtk_font_chooser_get_font_name().
  74  *
  75  * To change the text which is shown in the preview area, use
  76  * gtk_font_chooser_set_preview_text().
  77  *
  78  * Since: 3.2
  79  */
  80
  81
  82 struct _GtkFontChooserPrivate
  83 {
  84   GtkWidget    *search_entry;
  85   GtkWidget    *family_face_list;
  86   GtkListStore *model;
  87   GtkTreeModel *filter;
  88
  89   GtkWidget       *preview;
  90   GtkWidget       *preview_scrolled_window;
  91   gchar           *preview_text;
  92   gboolean         show_preview_entry;
  93
  94   GtkWidget *size_spin;
  95   GtkWidget *size_slider;
  96   gboolean   ignore_slider;
  97
  98   gint             size;
  99   PangoFontFace   *face;
 100   PangoFontFamily *family;
 101 };
 102
 103 #define DEFAULT_FONT_NAME "Sans 10"
 104 #define MAX_FONT_SIZE 999
 105
 106 /* This is the initial fixed height and the top padding of the preview entry */
 107 #define PREVIEW_HEIGHT 72
 108 #define PREVIEW_TOP_PADDING 6
 109
 110 /* Widget default geometry */
 111 #define FONT_CHOOSER_WIDTH           540
 112 #define FONT_CHOOSER_HEIGHT          408
 113
 114 /* These are the sizes of the font, style & size lists. */
 115 #define FONT_LIST_HEIGHT  136
 116 #define FONT_LIST_WIDTH   190
 117 #define FONT_STYLE_LIST_WIDTH 170
 118 #define FONT_SIZE_LIST_WIDTH  60
 119
 120 #define ROW_FORMAT_STRING "<span weight=\"bold\" size=\"small\" foreground=\"%s\">%s</span>\n<span size=\"x-large\" font_desc=\"%s\">%s</span>"
 121
 122 /* These are what we use as the standard font sizes, for the size list.
 123  */
 124 #define FONT_SIZES_LENGTH 14
 125 static const gint font_sizes[] = {
 126   6, 8, 9, 10, 11, 12, 13, 14, 16, 20, 24, 36, 48, 72
 127 };
 128
 129 enum {
 130    PROP_0,
 131    PROP_FONT_NAME,
 132    PROP_PREVIEW_TEXT,
 133    PROP_SHOW_PREVIEW_ENTRY
 134 };
 135
 136
 137 enum {
 138   FAMILY_COLUMN,
 139   FACE_COLUMN,
 140   PREVIEW_TEXT_COLUMN,
 141   PREVIEW_TITLE_COLUMN
 142 };
 143
 144 static void  gtk_font_chooser_set_property       (GObject         *object,
 145                                                   guint            prop_id,
 146                                                   const GValue    *value,
 147                                                   GParamSpec      *pspec);
 148 static void  gtk_font_chooser_get_property       (GObject         *object,
 149                                                   guint            prop_id,
 150                                                   GValue          *value,
 151                                                   GParamSpec      *pspec);
 152 static void  gtk_font_chooser_finalize           (GObject         *object);
 153
 154 static void  gtk_font_chooser_screen_changed     (GtkWidget       *widget,
 155                                                   GdkScreen       *previous_screen);
 156 static void  gtk_font_chooser_style_updated      (GtkWidget      *widget);
 157
 158 static void  gtk_font_chooser_ref_family         (GtkFontChooser *fontchooser,
 159                                                   PangoFontFamily  *family);
 160 static void  gtk_font_chooser_ref_face           (GtkFontChooser *fontchooser,
 161                                                   PangoFontFace    *face);
 162
 163 static void gtk_font_chooser_bootstrap_fontlist (GtkFontChooser *fontchooser);
 164
 165 G_DEFINE_TYPE (GtkFontChooser, gtk_font_chooser, GTK_TYPE_BOX)
 166
 167 static void
 168 gtk_font_chooser_class_init (GtkFontChooserClass *klass)
 169 {
 170   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 171   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 172
 173   widget_class->screen_changed = gtk_font_chooser_screen_changed;
 174   widget_class->style_updated = gtk_font_chooser_style_updated;
 175
 176   gobject_class->finalize = gtk_font_chooser_finalize;
 177   gobject_class->set_property = gtk_font_chooser_set_property;
 178   gobject_class->get_property = gtk_font_chooser_get_property;
 179
 180   g_object_class_install_property (gobject_class,
 181                                    PROP_FONT_NAME,
 182                                    g_param_spec_string ("font-name",
 183                                                         P_("Font name"),
 184                                                         P_("The string that represents this font"),
 185                                                         DEFAULT_FONT_NAME,
 186                                                         GTK_PARAM_READWRITE));
 187   g_object_class_install_property (gobject_class,
 188                                    PROP_PREVIEW_TEXT,
 189                                    g_param_spec_string ("preview-text",
 190                                                         P_("Preview text"),
 191                                                         P_("The text to display in order to demonstrate the selected font"),
 192                                                         pango_language_get_sample_string (NULL),
 193                                                         GTK_PARAM_READWRITE));
 194
 195   g_object_class_install_property (gobject_class,
 196                                    PROP_SHOW_PREVIEW_ENTRY,
 197                                    g_param_spec_boolean ("show-preview-entry",
 198                                                         P_("Show preview text entry"),
 199                                                         P_("Whether the preview text entry is shown or not"),
 200                                                         TRUE,
 201                                                         GTK_PARAM_READWRITE));
 202
 203   g_type_class_add_private (klass, sizeof (GtkFontChooserPrivate));
 204 }
 205
 206 static void
 207 gtk_font_chooser_set_property (GObject         *object,
 208                                  guint            prop_id,
 209                                  const GValue    *value,
 210                                  GParamSpec      *pspec)
 211 {
 212   GtkFontChooser *fontchooser;
 213
 214   fontchooser = GTK_FONT_CHOOSER (object);
 215
 216   switch (prop_id)
 217     {
 218     case PROP_FONT_NAME:
 219       gtk_font_chooser_set_font_name (fontchooser, g_value_get_string (value));
 220       break;
 221     case PROP_PREVIEW_TEXT:
 222       gtk_font_chooser_set_preview_text (fontchooser, g_value_get_string (value));
 223       break;
 224     case PROP_SHOW_PREVIEW_ENTRY:
 225       gtk_font_chooser_set_show_preview_entry (fontchooser, g_value_get_boolean (value));
 226     default:
 227       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 228       break;
 229     }
 230 }
 231
 232 static void
 233 gtk_font_chooser_get_property (GObject         *object,
 234                                  guint            prop_id,
 235                                  GValue          *value,
 236                                  GParamSpec      *pspec)
 237 {
 238   GtkFontChooser *fontchooser;
 239
 240   fontchooser = GTK_FONT_CHOOSER (object);
 241
 242   switch (prop_id)
 243     {
 244     case PROP_FONT_NAME:
 245       g_value_take_string (value, gtk_font_chooser_get_font_name (fontchooser));
 246       break;
 247     case PROP_PREVIEW_TEXT:
 248       g_value_set_string (value, gtk_font_chooser_get_preview_text (fontchooser));
 249       break;
 250     case PROP_SHOW_PREVIEW_ENTRY:
 251       g_value_set_boolean (value, gtk_font_chooser_get_show_preview_entry (fontchooser));
 252     default:
 253       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 254       break;
 255     }
 256 }
 257
 258 void
 259 refilter_and_focus (GtkFontChooserPrivate *priv)
 260 {
 261   GtkTreeIter  iter;
 262   GtkTreeView *treeview = GTK_TREE_VIEW (priv->family_face_list);
 263   GtkTreePath *path = gtk_tree_path_new ();
 264
 265   gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter));
 266
 267   if (!path)
 268     return;
 269
 270   gtk_tree_view_get_cursor (treeview, &path, NULL);
 271
 272   if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->filter), &iter, path))
 273     {
 274       gtk_tree_path_free (path);
 275       return;
 276     }
 277
 278   gtk_tree_view_scroll_to_cell (treeview, path, NULL, FALSE, 0.5, 0.5);
 279   gtk_tree_path_free (path);
 280 }
 281
 282 void
 283 deleted_text_cb (GtkEntryBuffer *buffer,
 284                  guint           position,
 285                  guint           n_chars,
 286                  gpointer        user_data)
 287 {
 288   GtkFontChooserPrivate *priv  = (GtkFontChooserPrivate*)user_data;
 289   GtkWidget             *entry = priv->search_entry;
 290
 291   if (gtk_entry_buffer_get_length (buffer) == 0)
 292     {
 293       GIcon *icon = g_themed_icon_new_with_default_fallbacks ("edit-find-symbolic");
 294       gtk_entry_set_icon_from_gicon (GTK_ENTRY (entry),
 295                                      GTK_ENTRY_ICON_SECONDARY,
 296                                      icon);
 297       g_object_unref (icon);
 298     }
 299
 300   gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter));
 301 }
 302
 303 void
 304 inserted_text_cb (GtkEntryBuffer *buffer,
 305                   guint           position,
 306                   gchar          *chars,
 307                   guint           n_chars,
 308                   gpointer        user_data)
 309 {
 310   GtkFontChooserPrivate *priv  = (GtkFontChooserPrivate*)user_data;
 311   GtkWidget             *entry = priv->search_entry;
 312
 313   if (g_strcmp0 (gtk_entry_get_icon_stock (GTK_ENTRY (entry), GTK_ENTRY_ICON_SECONDARY),
 314                  "edit-clear-symbolic") ||
 315       g_strcmp0 (gtk_entry_get_icon_stock (GTK_ENTRY (entry), GTK_ENTRY_ICON_SECONDARY),
 316                  GTK_STOCK_CLEAR))
 317     {
 318       GIcon *icon = g_themed_icon_new_with_default_fallbacks ("edit-clear-symbolic");
 319       gtk_entry_set_icon_from_gicon (GTK_ENTRY (entry),
 320                                      GTK_ENTRY_ICON_SECONDARY,
 321                                      icon);
 322       g_object_unref (icon);
 323     }
 324
 325   gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter));
 326 }
 327
 328 void
 329 icon_press_cb (GtkEntry             *entry,
 330                GtkEntryIconPosition  pos,
 331                GdkEvent             *event,
 332                gpointer              user_data)
 333 {
 334   gtk_entry_buffer_delete_text (gtk_entry_get_buffer (entry), 0, -1);
 335 }
 336
 337 void
 338 slider_change_cb (GtkAdjustment *adjustment, gpointer data)
 339 {
 340   GtkFontChooserPrivate *priv = (GtkFontChooserPrivate*)data;
 341
 342   priv->ignore_slider = TRUE;
 343
 344   gtk_adjustment_set_value (gtk_spin_button_get_adjustment(GTK_SPIN_BUTTON (priv->size_spin)),
 345                             gtk_adjustment_get_value (adjustment));
 346 }
 347
 348 void
 349 spin_change_cb (GtkAdjustment *adjustment, gpointer data)
 350 {
 351   PangoFontDescription    *desc;
 352   GtkFontChooser          *fontchooser = (GtkFontChooser*)data;
 353   GtkFontChooserPrivate   *priv        = fontchooser->priv;
 354
 355   gdouble size = gtk_adjustment_get_value (adjustment);
 356   priv->size = ((gint)size) * PANGO_SCALE;
 357
 358   desc = pango_context_get_font_description (gtk_widget_get_pango_context (priv->preview));
 359   pango_font_description_set_size (desc, priv->size);
 360   gtk_widget_override_font (priv->preview, desc);
 361
 362   g_object_notify (G_OBJECT (fontchooser), "font-name");
 363
 364   if (priv->ignore_slider)
 365   {
 366     priv->ignore_slider = FALSE;
 367     return;
 368   }
 369
 370   GtkAdjustment *slider_adj = gtk_range_get_adjustment (GTK_RANGE (priv->size_slider));
 371
 372   if (size < gtk_adjustment_get_lower (slider_adj))
 373     gtk_adjustment_set_value (slider_adj, gtk_adjustment_get_lower (slider_adj));
 374   else if (size > gtk_adjustment_get_upper (slider_adj))
 375     gtk_adjustment_set_value (slider_adj, gtk_adjustment_get_upper (slider_adj));
 376   else
 377     gtk_adjustment_set_value (slider_adj, size);
 378
 379   gtk_widget_queue_draw (priv->preview);
 380 }
 381
 382 void
 383 set_range_marks (GtkFontChooserPrivate *priv,
 384                  GtkWidget* size_slider,
 385                  gint* sizes,
 386                  gint length)
 387 {
 388   GtkAdjustment *adj;
 389   gint i;
 390   gdouble value;
 391
 392   if (length<2)
 393     {
 394       sizes = (gint*)font_sizes;
 395       length = FONT_SIZES_LENGTH;
 396     }
 397
 398   gtk_scale_clear_marks (GTK_SCALE (size_slider));
 399
 400   adj = gtk_range_get_adjustment(GTK_RANGE (size_slider));
 401
 402   gtk_adjustment_set_lower (adj, (gdouble) sizes[0]);
 403   gtk_adjustment_set_upper (adj, (gdouble) sizes[length-1]);
 404
 405   value = gtk_adjustment_get_value (adj);
 406   if (value > (gdouble) sizes[length-1])
 407     {
 408       gtk_adjustment_set_value (adj, (gdouble) sizes[length-1]);
 409       priv->ignore_slider = TRUE;
 410     }
 411   else if (value < (gdouble) sizes[0])
 412     {
 413       gtk_adjustment_set_value (adj, (gdouble) sizes[0]);
 414       priv->ignore_slider = TRUE;
 415     }
 416
 417   for (i=0; i<length; i++)
 418     gtk_scale_add_mark (GTK_SCALE (size_slider),
 419                         (gdouble) sizes[i],
 420                         GTK_POS_BOTTOM, NULL);
 421 }
 422
 423 void
 424 cursor_changed_cb (GtkTreeView *treeview, gpointer data)
 425 {
 426   PangoFontFamily      *family;
 427   PangoFontFace        *face;
 428   PangoFontDescription *desc;
 429
 430   gint *sizes;
 431   gint  i, n_sizes;
 432
 433   GtkTreeIter  iter;
 434   GtkTreePath *path = gtk_tree_path_new ();
 435
 436   GtkFontChooser *fontchooser = (GtkFontChooser*)data;
 437
 438   gtk_tree_view_get_cursor (treeview, &path, NULL);
 439
 440   if (!path)
 441     return;
 442
 443   if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (fontchooser->priv->filter), &iter, path))
 444     {
 445       gtk_tree_path_free (path);
 446       return;
 447     }
 448
 449
 450   gtk_tree_model_get (GTK_TREE_MODEL (fontchooser->priv->filter), &iter,
 451                       FACE_COLUMN, &face,
 452                       FAMILY_COLUMN, &family,
 453                       -1);
 454
 455   gtk_tree_view_scroll_to_cell (treeview, path, NULL, FALSE, 0.5, 0.5);
 456
 457   gtk_tree_path_free (path);
 458   path = NULL;
 459
 460   if (!face || !family)
 461     {
 462       g_object_unref (face);
 463       g_object_unref (family);
 464       return;
 465     }
 466
 467   desc = pango_font_face_describe (face);
 468   pango_font_description_set_size (desc, fontchooser->priv->size);
 469   gtk_widget_override_font (fontchooser->priv->preview, desc);
 470
 471   pango_font_face_list_sizes (face, &sizes, &n_sizes);
 472   /* It seems not many fonts actually have a sane set of sizes */
 473   for (i=0; i<n_sizes; i++)
 474     sizes[i] = sizes[i] / PANGO_SCALE;
 475
 476   set_range_marks (fontchooser->priv, fontchooser->priv->size_slider, sizes, n_sizes);
 477
 478   gtk_font_chooser_ref_family (fontchooser, family);
 479   gtk_font_chooser_ref_face   (fontchooser, face);
 480
 481   /* Free resources */
 482   g_object_unref ((gpointer)family);
 483   g_object_unref ((gpointer)face);
 484   pango_font_description_free(desc);
 485
 486   g_object_notify (G_OBJECT (fontchooser), "font-name");
 487 }
 488
 489 gboolean
 490 zoom_preview_cb (GtkWidget *scrolled_window, GdkEventScroll *event, gpointer data)
 491 {
 492   GtkFontChooserPrivate *priv = (GtkFontChooserPrivate*)data;
 493
 494   GtkAdjustment *adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (priv->size_spin));
 495
 496   if (event->direction == GDK_SCROLL_UP || event->direction == GDK_SCROLL_RIGHT)
 497     gtk_adjustment_set_value (adj,
 498                               gtk_adjustment_get_value (adj) +
 499                               gtk_adjustment_get_step_increment (adj));
 500   else if (event->direction == GDK_SCROLL_DOWN || event->direction == GDK_SCROLL_LEFT)
 501     gtk_adjustment_set_value (adj,
 502                               gtk_adjustment_get_value (adj) -
 503                               gtk_adjustment_get_step_increment (adj));
 504   return TRUE;
 505 }
 506
 507 static void
 508 gtk_font_chooser_init (GtkFontChooser *fontchooser)
 509 {
 510   GIcon                   *icon;
 511   GtkFontChooserPrivate   *priv;
 512   PangoFontDescription    *font_desc;
 513   GtkWidget               *scrolled_win;
 514   GtkWidget               *grid;
 515   GtkWidget               *sub_grid;
 516
 517   fontchooser->priv = G_TYPE_INSTANCE_GET_PRIVATE (fontchooser,
 518                                                    GTK_TYPE_FONT_CHOOSER,
 519                                                    GtkFontChooserPrivate);
 520
 521   priv = fontchooser->priv;
 522
 523   /* Default preview string  */
 524   priv->preview_text = g_strdup (pango_language_get_sample_string (NULL));
 525   priv->show_preview_entry = TRUE;
 526
 527   /* Getting the default size */
 528   font_desc  = pango_context_get_font_description (gtk_widget_get_pango_context (GTK_WIDGET (fontchooser)));
 529   priv->size = pango_font_description_get_size (font_desc);
 530   priv->face = NULL;
 531   priv->family = NULL;
 532
 533   gtk_widget_push_composite_child ();
 534
 535   /* Creating fundamental widgets for the private struct */
 536   priv->search_entry = gtk_entry_new ();
 537   priv->family_face_list = gtk_tree_view_new ();
 538   priv->preview = gtk_entry_new ();
 539   priv->size_slider = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL,
 540                                                 (gdouble) font_sizes[0],
 541                                                 (gdouble) font_sizes[FONT_SIZES_LENGTH - 1],
 542                                                 1.0);
 543
 544   priv->size_spin = gtk_spin_button_new_with_range (0.0, (gdouble)(G_MAXINT / PANGO_SCALE), 1.0);
 545
 546   /** Bootstrapping widget layout **/
 547   gtk_box_set_spacing (GTK_BOX (fontchooser), 6);
 548
 549   /* Main font family/face view */
 550   scrolled_win = gtk_scrolled_window_new (NULL, NULL);
 551   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
 552                                   GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 553   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_win),
 554                                        GTK_SHADOW_ETCHED_IN);
 555   gtk_container_add (GTK_CONTAINER (scrolled_win), priv->family_face_list);
 556
 557   /* Basic layout */
 558   grid = gtk_grid_new ();
 559   sub_grid = gtk_grid_new ();
 560
 561   gtk_grid_attach (GTK_GRID (grid), priv->search_entry, 0, 0, 3, 1);
 562   gtk_grid_attach (GTK_GRID (grid), scrolled_win,       0, 1, 3, 1);
 563   gtk_grid_attach (GTK_GRID (grid), priv->preview,      0, 2, 3, 1);
 564   gtk_grid_attach (GTK_GRID (grid), sub_grid,           0, 3, 3, 1);
 565
 566   gtk_widget_set_hexpand  (GTK_WIDGET (sub_grid),          TRUE);
 567   gtk_grid_attach (GTK_GRID (sub_grid), priv->size_slider,  0, 3, 2, 1);
 568   gtk_grid_attach (GTK_GRID (sub_grid), priv->size_spin,    2, 3, 1, 1);
 569
 570   gtk_widget_set_hexpand  (GTK_WIDGET (scrolled_win),      TRUE);
 571   gtk_widget_set_vexpand  (GTK_WIDGET (scrolled_win),      TRUE);
 572   gtk_widget_set_hexpand  (GTK_WIDGET (priv->search_entry), TRUE);
 573
 574   gtk_widget_set_hexpand  (GTK_WIDGET (priv->size_slider), TRUE);
 575   gtk_widget_set_hexpand  (GTK_WIDGET (priv->size_spin),   FALSE);
 576
 577   gtk_grid_set_column_homogeneous (GTK_GRID (sub_grid), FALSE);
 578   gtk_box_pack_start (GTK_BOX (fontchooser), grid, TRUE, TRUE, 0);
 579
 580   /* Setting the adjustment values for the size slider */
 581   gtk_adjustment_set_value (gtk_range_get_adjustment (GTK_RANGE (priv->size_slider)),
 582                             (gdouble)(priv->size / PANGO_SCALE));
 583   gtk_adjustment_set_value (gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (priv->size_spin)),
 584                             (gdouble)(priv->size / PANGO_SCALE));
 585
 586   gtk_widget_show_all (GTK_WIDGET (fontchooser));
 587   gtk_widget_hide     (GTK_WIDGET (fontchooser));
 588
 589   /* Treeview column and model bootstrapping */
 590   gtk_font_chooser_bootstrap_fontlist (fontchooser);
 591
 592   /* Set default preview text */
 593   gtk_entry_set_text (GTK_ENTRY (priv->preview),
 594                       pango_language_get_sample_string (NULL));
 595
 596   /* Set search icon and place holder text */
 597   icon = g_themed_icon_new_with_default_fallbacks ("edit-find-symbolic");
 598   gtk_entry_set_icon_from_gicon (GTK_ENTRY (priv->search_entry),
 599                                  GTK_ENTRY_ICON_SECONDARY,
 600                                  icon);
 601   g_object_unref (icon);
 602
 603   gtk_entry_set_placeholder_text (GTK_ENTRY (priv->search_entry), _("Search font name"));
 604
 605   /** Callback connections **/
 606   /* Connect to callback for the live search text entry */
 607   g_signal_connect (G_OBJECT (gtk_entry_get_buffer (GTK_ENTRY (priv->search_entry))),
 608                     "deleted-text", G_CALLBACK (deleted_text_cb), priv);
 609   g_signal_connect (G_OBJECT (gtk_entry_get_buffer (GTK_ENTRY (priv->search_entry))),
 610                     "inserted-text", G_CALLBACK (inserted_text_cb), priv);
 611   g_signal_connect (G_OBJECT (priv->search_entry),
 612                     "icon-press", G_CALLBACK (icon_press_cb), priv);
 613
 614   /* Size controls callbacks */
 615   g_signal_connect (G_OBJECT (gtk_range_get_adjustment (GTK_RANGE (priv->size_slider))),
 616                     "value-changed", G_CALLBACK (slider_change_cb), priv);
 617   g_signal_connect (G_OBJECT (gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (priv->size_spin))),
 618                     "value-changed", G_CALLBACK (spin_change_cb), fontchooser);
 619   priv->ignore_slider = FALSE;
 620
 621   /* Font selection callback */
 622   g_signal_connect (G_OBJECT (priv->family_face_list), "cursor-changed",
 623                     G_CALLBACK (cursor_changed_cb),    fontchooser);
 624
 625   /* Zoom on preview scroll*/
 626   g_signal_connect (G_OBJECT (scrolled_win),      "scroll-event",
 627                     G_CALLBACK (zoom_preview_cb), priv);
 628
 629   g_signal_connect (G_OBJECT (priv->size_slider), "scroll-event",
 630                     G_CALLBACK (zoom_preview_cb), priv);
 631
 632   set_range_marks (priv, priv->size_slider, (gint*)font_sizes, FONT_SIZES_LENGTH);
 633
 634   /* Set default focus */
 635   gtk_widget_pop_composite_child();
 636 }
 637
 638 /**
 639  * gtk_font_chooser_new:
 640  *
 641  * Creates a new #GtkFontChooser.
 642  *
 643  * Return value: a new #GtkFontChooser
 644  *
 645  * Since: 3.2
 646  */
 647 GtkWidget *
 648 gtk_font_chooser_new (void)
 649 {
 650   GtkFontChooser *fontchooser;
 651
 652   fontchooser = g_object_new (GTK_TYPE_FONT_CHOOSER, NULL);
 653
 654   return GTK_WIDGET (fontchooser);
 655 }
 656
 657 static int
 658 cmp_families (const void *a, const void *b)
 659 {
 660   const char *a_name = pango_font_family_get_name (*(PangoFontFamily **)a);
 661   const char *b_name = pango_font_family_get_name (*(PangoFontFamily **)b);
 662
 663   return g_utf8_collate (a_name, b_name);
 664 }
 665
 666 static void
 667 populate_list (GtkFontChooser *fontchooser, GtkTreeView* treeview, GtkListStore* model)
 668 {
 669   GtkStyleContext      *style_context;
 670   GdkRGBA               g_color;
 671   PangoColor            p_color;
 672   gchar                *color_string;
 673   PangoFontDescription *default_font;
 674
 675   GtkTreeIter   match_row;
 676   GtkTreePath  *path;
 677
 678   gint n_families, i;
 679   PangoFontFamily **families;
 680
 681   GString     *tmp = g_string_new (NULL);
 682   GString     *family_and_face = g_string_new (NULL);
 683
 684   pango_context_list_families (gtk_widget_get_pango_context (GTK_WIDGET (treeview)),
 685                                &families,
 686                                &n_families);
 687
 688   qsort (families, n_families, sizeof (PangoFontFamily *), cmp_families);
 689
 690   gtk_list_store_clear (model);
 691
 692   /* Get row header font color */
 693   style_context = gtk_widget_get_style_context (GTK_WIDGET (treeview));
 694   gtk_style_context_get_color (style_context,
 695                                GTK_STATE_FLAG_NORMAL | GTK_STATE_FLAG_INSENSITIVE,
 696                                &g_color);
 697
 698   p_color.red   = (guint16)((gdouble)G_MAXUINT16 * g_color.red);
 699   p_color.green = (guint16)((gdouble)G_MAXUINT16 * g_color.green);
 700   p_color.blue  = (guint16)((gdouble)G_MAXUINT16 * g_color.blue);
 701   color_string  = pango_color_to_string (&p_color);
 702
 703   /* Get theme font */
 704   default_font  = (PangoFontDescription*) gtk_style_context_get_font (style_context,
 705                                                                       GTK_STATE_NORMAL);
 706
 707   /* Iterate over families and faces */
 708   for (i=0; i<n_families; i++)
 709     {
 710       GtkTreeIter     iter;
 711       PangoFontFace **faces;
 712
 713       int             j, n_faces;
 714       const gchar    *fam_name = pango_font_family_get_name (families[i]);
 715
 716       pango_font_family_list_faces (families[i], &faces, &n_faces);
 717
 718       for (j=0; j<n_faces; j++)
 719         {
 720           PangoFontDescription *pango_desc = pango_font_face_describe (faces[j]);
 721           const gchar *face_name = pango_font_face_get_face_name (faces[j]);
 722           gchar       *font_desc = pango_font_description_to_string (pango_desc);
 723
 724           /* foreground_color, family_name, face_name, desc, sample string */
 725           g_string_printf (family_and_face, "%s %s",
 726                                             fam_name,
 727                                             face_name);
 728
 729           g_string_printf (tmp, ROW_FORMAT_STRING,
 730                            color_string,
 731                            family_and_face->str,
 732                            font_desc,
 733                            fontchooser->priv->preview_text);
 734
 735           gtk_list_store_append (model, &iter);
 736           gtk_list_store_set (model, &iter,
 737                               FAMILY_COLUMN, families[i],
 738                               FACE_COLUMN, faces[j],
 739                               PREVIEW_TITLE_COLUMN, family_and_face->str,
 740                               PREVIEW_TEXT_COLUMN, tmp->str,
 741                               -1);
 742
 743           /* Select the first font or the default font/face from the style context */
 744           if ((i == 0 && j == 0) ||
 745               (!strcmp (fam_name, pango_font_description_get_family (default_font)) && j == 0))
 746             match_row = iter;
 747
 748           pango_font_description_free(pango_desc);
 749           g_free (font_desc);
 750         }
 751
 752       g_free (faces);
 753     }
 754
 755   path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &match_row);
 756
 757   if (path)
 758     {
 759       gtk_tree_view_set_cursor (treeview, path, NULL, FALSE);
 760       gtk_tree_view_scroll_to_cell (treeview, path, NULL, FALSE, 0.5, 0.5);
 761       gtk_tree_path_free(path);
 762     }
 763
 764   g_string_free (family_and_face, TRUE);
 765   g_string_free (tmp, TRUE);
 766   g_free (color_string);
 767   g_free (families);
 768 }
 769
 770 gboolean
 771 visible_func (GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
 772 {
 773   gboolean result = TRUE;
 774   GtkFontChooserPrivate *priv = (GtkFontChooserPrivate*) data;
 775
 776   const gchar *search_text = (const gchar*)gtk_entry_get_text (GTK_ENTRY (priv->search_entry));
 777   gchar       *font_name;
 778   gchar       *term;
 779   gchar      **split_terms;
 780   gint         n_terms = 0;
 781
 782   /* If there's no filter string we show the item */
 783   if (strlen (search_text) == 0)
 784     return TRUE;
 785
 786   gtk_tree_model_get (model, iter,
 787                       PREVIEW_TITLE_COLUMN, &font_name,
 788                       -1);
 789
 790   if (font_name == NULL)
 791        return FALSE;
 792
 793   split_terms = g_strsplit (search_text, " ", 0);
 794   term = split_terms[0];
 795
 796   while (term && result)
 797   {
 798     gchar* font_name_casefold = g_utf8_casefold (font_name, -1);
 799     gchar* term_casefold = g_utf8_casefold (term, -1);
 800
 801     if (g_strrstr (font_name_casefold, term_casefold))
 802       result = result && TRUE;
 803     else
 804       result = FALSE;
 805
 806     n_terms++;
 807     term = split_terms[n_terms];
 808
 809     g_free (term_casefold);
 810     g_free (font_name_casefold);
 811   }
 812
 813   g_free (font_name);
 814   g_strfreev (split_terms);
 815
 816   return result;
 817 }
 818
 819 static void
 820 gtk_font_chooser_bootstrap_fontlist (GtkFontChooser* fontchooser)
 821 {
 822   GtkTreeView       *treeview = GTK_TREE_VIEW (fontchooser->priv->family_face_list);
 823   GtkCellRenderer   *cell;
 824   GtkTreeViewColumn *col;
 825
 826   fontchooser->priv->model = gtk_list_store_new (4,
 827                                                  PANGO_TYPE_FONT_FAMILY,
 828                                                  PANGO_TYPE_FONT_FACE,
 829                                                  G_TYPE_STRING,
 830                                                  G_TYPE_STRING);
 831
 832   fontchooser->priv->filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (fontchooser->priv->model),
 833                                                          NULL);
 834   g_object_unref (fontchooser->priv->model);
 835
 836   gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (fontchooser->priv->filter),
 837                                           visible_func,
 838                                           (gpointer)fontchooser->priv,
 839                                           NULL);
 840
 841   gtk_tree_view_set_model (treeview, GTK_TREE_MODEL (fontchooser->priv->filter));
 842   g_object_unref (fontchooser->priv->filter);
 843
 844   gtk_tree_view_set_rules_hint      (treeview, TRUE);
 845   gtk_tree_view_set_headers_visible (treeview, FALSE);
 846
 847   cell = gtk_cell_renderer_text_new ();
 848   col = gtk_tree_view_column_new_with_attributes ("Family",
 849                                                   cell,
 850                                                   "markup", PREVIEW_TEXT_COLUMN,
 851                                                   NULL);
 852
 853   g_object_set (cell, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
 854
 855   gtk_tree_view_append_column (treeview, col);
 856
 857   populate_list (fontchooser, treeview, fontchooser->priv->model);
 858 }
 859
 860
 861 static void
 862 gtk_font_chooser_finalize (GObject *object)
 863 {
 864   GtkFontChooser *fontchooser = GTK_FONT_CHOOSER (object);
 865
 866   gtk_font_chooser_ref_family (fontchooser, NULL);
 867   gtk_font_chooser_ref_face (fontchooser, NULL);
 868
 869   G_OBJECT_CLASS (gtk_font_chooser_parent_class)->finalize (object);
 870 }
 871
 872
 873 static void
 874 gtk_font_chooser_screen_changed (GtkWidget *widget,
 875                                    GdkScreen *previous_screen)
 876 {
 877   GtkFontChooser *fontchooser = GTK_FONT_CHOOSER (widget);
 878
 879   populate_list (fontchooser,
 880                  GTK_TREE_VIEW (fontchooser->priv->family_face_list),
 881                  fontchooser->priv->model);
 882   return;
 883 }
 884
 885 static void
 886 gtk_font_chooser_style_updated (GtkWidget *widget)
 887 {
 888   GtkFontChooser *fontchooser = GTK_FONT_CHOOSER (widget);
 889
 890   GTK_WIDGET_CLASS (gtk_font_chooser_parent_class)->style_updated (widget);
 891
 892   populate_list (fontchooser,
 893                  GTK_TREE_VIEW (fontchooser->priv->family_face_list),
 894                  fontchooser->priv->model);
 895   return;
 896 }
 897
 898 static void
 899 gtk_font_chooser_ref_family (GtkFontChooser *fontchooser,
 900                                PangoFontFamily  *family)
 901 {
 902   GtkFontChooserPrivate *priv = fontchooser->priv;
 903
 904   if (family)
 905     family = g_object_ref (family);
 906   if (priv->family)
 907     g_object_unref (priv->family);
 908   priv->family = family;
 909 }
 910
 911 static void
 912 gtk_font_chooser_ref_face (GtkFontChooser *fontchooser,
 913                              PangoFontFace    *face)
 914 {
 915   GtkFontChooserPrivate *priv = fontchooser->priv;
 916
 917   if (face)
 918     face = g_object_ref (face);
 919   if (priv->face)
 920     g_object_unref (priv->face);
 921   priv->face = face;
 922 }
 923
 924
 925 /*****************************************************************************
 926  * These functions are the main public interface for getting/setting the font.
 927  *****************************************************************************/
 928
 929 /**
 930  * gtk_font_chooser_get_family:
 931  * @fontchooser: a #GtkFontChooser
 932  *
 933  * Gets the #PangoFontFamily representing the selected font family.
 934  *
 935  * Return value: (transfer none): A #PangoFontFamily representing the
 936  *     selected font family. Font families are a collection of font
 937  *     faces. The returned object is owned by @fontchooser and must not
 938  *     be modified or freed.
 939  *
 940  * Since: 3.2
 941  */
 942 PangoFontFamily *
 943 gtk_font_chooser_get_family (GtkFontChooser *fontchooser)
 944 {
 945   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
 946
 947   return fontchooser->priv->family;
 948 }
 949
 950 /**
 951  * gtk_font_chooser_get_face:
 952  * @fontchooser: a #GtkFontChooser
 953  *
 954  * Gets the #PangoFontFace representing the selected font group
 955  * details (i.e. family, slant, weight, width, etc).
 956  *
 957  * Return value: (transfer none): A #PangoFontFace representing the
 958  *     selected font group details. The returned object is owned by
 959  *     @fontchooser and must not be modified or freed.
 960  *
 961  * Since: 3.2
 962  */
 963 PangoFontFace *
 964 gtk_font_chooser_get_face (GtkFontChooser *fontchooser)
 965 {
 966   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
 967
 968   return fontchooser->priv->face;
 969 }
 970
 971 /**
 972  * gtk_font_chooser_get_size:
 973  * @fontchooser: a #GtkFontChooser
 974  *
 975  * The selected font size.
 976  *
 977  * Return value: A n integer representing the selected font size,
 978  *     or -1 if no font size is selected.
 979  *
 980  * Since: 3.2
 981  **/
 982 gint
 983 gtk_font_chooser_get_size (GtkFontChooser *fontchooser)
 984 {
 985   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), -1);
 986
 987   return fontchooser->priv->size;
 988 }
 989
 990 /**
 991  * gtk_font_chooser_get_font_name:
 992  * @fontchooser: a #GtkFontChooser
 993  *
 994  * Gets the currently-selected font name.
 995  *
 996  * Note that this can be a different string than what you set with
 997  * gtk_font_chooser_set_font_name(), as the font chooser widget may
 998  * normalize font names and thus return a string with a different structure.
 999  * For example, "Helvetica Italic Bold 12" could be normalized to
1000  * "Helvetica Bold Italic 12". Use pango_font_description_equal()
1001  * if you want to compare two font descriptions.
1002  *
1003  * Return value: (transfer full) (allow-none): A string with the name of the
1004  *     current font, or %NULL if  no font is selected. You must free this
1005  *     string with g_free().
1006  *
1007  * Since: 3.2
1008  */
1009 gchar *
1010 gtk_font_chooser_get_font_name (GtkFontChooser *fontchooser)
1011 {
1012   gchar                *font_name;
1013   PangoFontDescription *desc;
1014
1015   if (!fontchooser->priv->face)
1016     return NULL;
1017
1018   desc = pango_font_face_describe (fontchooser->priv->face);
1019   font_name = pango_font_description_to_string (desc);
1020   pango_font_description_free (desc);
1021   return font_name;
1022 }
1023
1024 /* This sets the current font, then selecting the appropriate list rows. */
1025
1026 /**
1027  * gtk_font_chooser_set_font_name:
1028  * @fontchooser: a #GtkFontChooser
1029  * @fontname: a font name like "Helvetica 12" or "Times Bold 18"
1030  *
1031  * Sets the currently-selected font.
1032  *
1033  * Note that the @fontchooser needs to know the screen in which it will appear
1034  * for this to work; this can be guaranteed by simply making sure that the
1035  * @fontchooser is inserted in a toplevel window before you call this function.
1036  *
1037  * Return value: %TRUE if the font could be set successfully; %FALSE if no
1038  *     such font exists or if the @fontchooser doesn't belong to a particular
1039  *     screen yet.
1040  *
1041  * Since: 3.2
1042  */
1043 gboolean
1044 gtk_font_chooser_set_font_name (GtkFontChooser *fontchooser,
1045                                   const gchar      *fontname)
1046 {
1047   GtkFontChooserPrivate *priv = fontchooser->priv;
1048   GtkTreeIter           iter;
1049   gboolean              valid;
1050   gchar                *family_name;
1051   PangoFontDescription *desc;
1052   gboolean              found = FALSE;
1053
1054   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), FALSE);
1055   g_return_val_if_fail (fontname != NULL, FALSE);
1056
1057   if (!gtk_widget_has_screen (GTK_WIDGET (fontchooser)))
1058     return FALSE;
1059
1060   desc = pango_font_description_from_string (fontname);
1061   family_name = (gchar*)pango_font_description_get_family (desc);
1062
1063   if (!family_name)
1064   {
1065     pango_font_description_free (desc);
1066     return FALSE;
1067   }
1068
1069   /* We make sure the filter is clear */
1070   gtk_entry_set_text (GTK_ENTRY (priv->search_entry), "");
1071
1072   /* We find the matching family/face */
1073   for (valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->filter), &iter);
1074        valid;
1075        valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->filter), &iter))
1076     {
1077       PangoFontFace        *face;
1078       PangoFontDescription *tmp_desc;
1079
1080       gtk_tree_model_get (GTK_TREE_MODEL (priv->filter), &iter,
1081                           FACE_COLUMN,   &face,
1082                           -1);
1083
1084       tmp_desc = pango_font_face_describe (face);
1085       if (pango_font_description_get_size_is_absolute (desc))
1086         pango_font_description_set_absolute_size (tmp_desc,
1087                                                   pango_font_description_get_size (desc));
1088       else
1089         pango_font_description_set_size (tmp_desc,
1090                                          pango_font_description_get_size (desc));
1091
1092
1093       if (pango_font_description_equal (desc, tmp_desc))
1094         {
1095           GtkTreePath *path;
1096           gint size = pango_font_description_get_size (desc);
1097
1098           if (size)
1099             {
1100               if (pango_font_description_get_size_is_absolute (desc))
1101                 size = size * PANGO_SCALE;
1102               gtk_spin_button_set_value (GTK_SPIN_BUTTON (priv->size_spin),
1103                                          size / PANGO_SCALE);
1104             }
1105
1106           path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->filter),
1107                                           &iter);
1108
1109           if (path)
1110             {
1111               gtk_tree_view_set_cursor (GTK_TREE_VIEW (priv->family_face_list),
1112                                         path,
1113                                         NULL,
1114                                         FALSE);
1115               gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (priv->family_face_list),
1116                                             path,
1117                                             NULL,
1118                                             FALSE,
1119                                             0.5,
1120                                             0.5);
1121               gtk_tree_path_free (path);
1122             }
1123
1124           found = TRUE;
1125         }
1126
1127       g_object_unref (face);
1128       pango_font_description_free (tmp_desc);
1129
1130       if (found)
1131         break;
1132     }
1133
1134   pango_font_description_free (desc);
1135   g_object_notify (G_OBJECT (fontchooser), "font-name");
1136
1137   return found;
1138 }
1139
1140 /**
1141  * gtk_font_chooser_get_preview_text:
1142  * @fontchooser: a #GtkFontChooser
1143  *
1144  * Gets the text displayed in the preview area.
1145  *
1146  * Return value: (transfer none): the text displayed in the
1147  *     preview area. This string is owned by the widget and
1148  *     should not be modified or freed
1149  *
1150  * Since: 3.2
1151  */
1152 const gchar*
1153 gtk_font_chooser_get_preview_text (GtkFontChooser *fontchooser)
1154 {
1155   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
1156   return (const gchar*)fontchooser->priv->preview_text;
1157 }
1158
1159
1160 /**
1161  * gtk_font_chooser_set_preview_text:
1162  * @fontchooser: a #GtkFontChooser
1163  * @text: (transfer none): the text to display in the preview area
1164  *
1165  * Sets the text displayed in the preview area.
1166  * The @text is used to show how the selected font looks.
1167  *
1168  * Since: 3.2
1169  */
1170 void
1171 gtk_font_chooser_set_preview_text  (GtkFontChooser *fontchooser,
1172                                       const gchar      *text)
1173 {
1174   g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
1175   g_return_if_fail (text != NULL);
1176
1177   g_free (fontchooser->priv->preview_text);
1178   fontchooser->priv->preview_text = g_strdup (text);
1179
1180   populate_list (fontchooser,
1181                  GTK_TREE_VIEW (fontchooser->priv->family_face_list),
1182                  fontchooser->priv->model);
1183
1184   gtk_entry_set_text (GTK_ENTRY (fontchooser->priv->preview), text);
1185
1186   g_object_notify (G_OBJECT (fontchooser), "preview-text");
1187 }
1188
1189 /**
1190  * gtk_font_chooser_get_show_preview_entry:
1191  * @fontchooser: a #GtkFontChooser
1192  *
1193  * Return value: %TRUE if the preview entry is shown or %FALSE if
1194  *               it is hidden.
1195  * Since: 3.2
1196  */
1197 gboolean
1198 gtk_font_chooser_get_show_preview_entry (GtkFontChooser *fontchooser)
1199 {
1200   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), FALSE);
1201
1202   return fontchooser->priv->show_preview_entry;
1203 }
1204
1205 /**
1206  * gtk_font_chooser_set_show_preview_entry:
1207  * @fontchooser: a #GtkFontChooser
1208  * @show_preview_entry: whether to show the editable preview entry or not
1209  *
1210  * Shows or hides the editable preview entry.
1211  * Since: 3.2
1212  */
1213 void
1214 gtk_font_chooser_set_show_preview_entry (GtkFontChooser *fontchooser,
1215                                            gboolean          show_preview_entry)
1216 {
1217   g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
1218
1219   if (show_preview_entry)
1220     gtk_widget_show (fontchooser->priv->preview_scrolled_window);
1221   else
1222     gtk_widget_hide (fontchooser->priv->preview_scrolled_window);
1223
1224   fontchooser->priv->show_preview_entry = show_preview_entry;
1225   g_object_notify (G_OBJECT (fontchooser), "show-preview-entry");
1226 }