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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2011 Alberto Ruiz <aruiz@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "config.h"
  21
  22 #include <stdlib.h>
  23 #include <glib/gprintf.h>
  24 #include <string.h>
  25
  26 #include <atk/atk.h>
  27
  28 #include "gtkfontchooser.h"
  29 #include "gtkcellrenderertext.h"
  30 #include "gtkentry.h"
  31 #include "gtkframe.h"
  32 #include "gtkhbbox.h"
  33 #include "gtkhbox.h"
  34 #include "gtklabel.h"
  35 #include "gtkliststore.h"
  36 #include "gtkstock.h"
  37 #include "gtktextview.h"
  38 #include "gtktreeselection.h"
  39 #include "gtktreeview.h"
  40 #include "gtkbox.h"
  41 #include "gtkscrolledwindow.h"
  42 #include "gtkintl.h"
  43 #include "gtkaccessible.h"
  44 #include "gtkbuildable.h"
  45 #include "gtkprivate.h"
  46 #include "gtkalignment.h"
  47 #include "gtkscale.h"
  48 #include "gtkbox.h"
  49 #include "gtkspinbutton.h"
  50 #include "gtkwidget.h"
  51 #include "gtkgrid.h"
  52
  53 /**
  54  * SECTION:gtkfontchooser
  55  * @Short_description: A widget for selecting fonts
  56  * @Title: GtkFontChooser
  57  * @See_also: #GtkFontChooserDialog
  58  *
  59  * The #GtkFontChooser widget lists the available fonts, styles and sizes,
  60  * allowing the user to select a font.
  61  * It is used in the #GtkFontChooserDialog widget to provide a dialog box for
  62  * selecting fonts.
  63  *
  64  * To set the font which is initially selected, use
  65  * gtk_font_chooser_set_font_name().
  66  *
  67  * To get the selected font use gtk_font_chooser_get_font_name().
  68  *
  69  * To change the text which is shown in the preview area, use
  70  * gtk_font_chooser_set_preview_text().
  71  *
  72  * Since: 3.2
  73  */
  74
  75
  76 struct _GtkFontChooserPrivate
  77 {
  78   GtkWidget    *search_entry;
  79   GtkWidget    *family_face_list;
  80   GtkWidget    *list_scrolled_window;
  81   GtkWidget    *empty_list;
  82   GtkListStore *model;
  83   GtkTreeModel *filter;
  84
  85   GtkWidget       *preview;
  86   gchar           *preview_text;
  87   gboolean         show_preview_entry;
  88
  89   GtkWidget *size_spin;
  90   GtkWidget *size_slider;
  91
  92   gint             size;
  93   PangoFontFace   *face;
  94   PangoFontFamily *family;
  95
  96   gulong           cursor_changed_handler;
  97 };
  98
  99 #define DEFAULT_FONT_NAME "Sans 10"
 100 #define MAX_FONT_SIZE 999
 101
 102 /* This is the initial fixed height and the top padding of the preview entry */
 103 #define PREVIEW_HEIGHT 72
 104 #define PREVIEW_TOP_PADDING 6
 105
 106 /* These are the sizes of the font, style & size lists. */
 107 #define FONT_LIST_HEIGHT  136
 108 #define FONT_LIST_WIDTH   190
 109 #define FONT_STYLE_LIST_WIDTH 170
 110 #define FONT_SIZE_LIST_WIDTH  60
 111
 112 #define ROW_FORMAT_STRING "<span weight=\"bold\" size=\"small\">%s</span>\n<span size=\"x-large\" font_desc=\"%s\">%s</span>"
 113
 114 #define NO_FONT_MATCHED_SEARCH "No fonts matched your search. You can revise your search and try again."
 115
 116 /* These are what we use as the standard font sizes, for the size list.
 117  */
 118 static const gint font_sizes[] = {
 119   6, 8, 9, 10, 11, 12, 13, 14, 16, 20, 24, 36, 48, 72
 120 };
 121
 122 enum {
 123    PROP_0,
 124    PROP_FONT_NAME,
 125    PROP_PREVIEW_TEXT,
 126    PROP_SHOW_PREVIEW_ENTRY
 127 };
 128
 129
 130 enum {
 131   FAMILY_COLUMN,
 132   FACE_COLUMN,
 133   PREVIEW_TEXT_COLUMN,
 134   PREVIEW_TITLE_COLUMN
 135 };
 136
 137 static void  gtk_font_chooser_set_property       (GObject         *object,
 138                                                   guint            prop_id,
 139                                                   const GValue    *value,
 140                                                   GParamSpec      *pspec);
 141 static void  gtk_font_chooser_get_property       (GObject         *object,
 142                                                   guint            prop_id,
 143                                                   GValue          *value,
 144                                                   GParamSpec      *pspec);
 145 static void  gtk_font_chooser_finalize           (GObject         *object);
 146 static void  gtk_font_chooser_dispose            (GObject         *object);
 147
 148 static void  gtk_font_chooser_screen_changed     (GtkWidget       *widget,
 149                                                   GdkScreen       *previous_screen);
 150 static void  gtk_font_chooser_style_updated      (GtkWidget      *widget);
 151
 152 static void  gtk_font_chooser_ref_family         (GtkFontChooser *fontchooser,
 153                                                   PangoFontFamily  *family);
 154 static void  gtk_font_chooser_ref_face           (GtkFontChooser *fontchooser,
 155                                                   PangoFontFace    *face);
 156
 157 static void gtk_font_chooser_bootstrap_fontlist (GtkFontChooser *fontchooser);
 158
 159 G_DEFINE_TYPE (GtkFontChooser, gtk_font_chooser, GTK_TYPE_BOX)
 160
 161 static void
 162 gtk_font_chooser_class_init (GtkFontChooserClass *klass)
 163 {
 164   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 165   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 166
 167   widget_class->screen_changed = gtk_font_chooser_screen_changed;
 168   widget_class->style_updated = gtk_font_chooser_style_updated;
 169
 170   gobject_class->dispose = gtk_font_chooser_dispose;
 171   gobject_class->finalize = gtk_font_chooser_finalize;
 172   gobject_class->set_property = gtk_font_chooser_set_property;
 173   gobject_class->get_property = gtk_font_chooser_get_property;
 174
 175   g_object_class_install_property (gobject_class,
 176                                    PROP_FONT_NAME,
 177                                    g_param_spec_string ("font-name",
 178                                                         P_("Font name"),
 179                                                         P_("The string that represents this font"),
 180                                                         DEFAULT_FONT_NAME,
 181                                                         GTK_PARAM_READWRITE));
 182   g_object_class_install_property (gobject_class,
 183                                    PROP_PREVIEW_TEXT,
 184                                    g_param_spec_string ("preview-text",
 185                                                         P_("Preview text"),
 186                                                         P_("The text to display in order to demonstrate the selected font"),
 187                                                         pango_language_get_sample_string (NULL),
 188                                                         GTK_PARAM_READWRITE));
 189
 190   g_object_class_install_property (gobject_class,
 191                                    PROP_SHOW_PREVIEW_ENTRY,
 192                                    g_param_spec_boolean ("show-preview-entry",
 193                                                         P_("Show preview text entry"),
 194                                                         P_("Whether the preview text entry is shown or not"),
 195                                                         TRUE,
 196                                                         GTK_PARAM_READWRITE));
 197
 198   g_type_class_add_private (klass, sizeof (GtkFontChooserPrivate));
 199 }
 200
 201 static void
 202 gtk_font_chooser_set_property (GObject         *object,
 203                                guint            prop_id,
 204                                const GValue    *value,
 205                                GParamSpec      *pspec)
 206 {
 207   GtkFontChooser *fontchooser;
 208
 209   fontchooser = GTK_FONT_CHOOSER (object);
 210
 211   switch (prop_id)
 212     {
 213     case PROP_FONT_NAME:
 214       gtk_font_chooser_set_font_name (fontchooser, g_value_get_string (value));
 215       break;
 216     case PROP_PREVIEW_TEXT:
 217       gtk_font_chooser_set_preview_text (fontchooser, g_value_get_string (value));
 218       break;
 219     case PROP_SHOW_PREVIEW_ENTRY:
 220       gtk_font_chooser_set_show_preview_entry (fontchooser, g_value_get_boolean (value));
 221       break;
 222     default:
 223       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 224       break;
 225     }
 226 }
 227
 228 static void
 229 gtk_font_chooser_get_property (GObject         *object,
 230                                guint            prop_id,
 231                                GValue          *value,
 232                                GParamSpec      *pspec)
 233 {
 234   GtkFontChooser *fontchooser;
 235
 236   fontchooser = GTK_FONT_CHOOSER (object);
 237
 238   switch (prop_id)
 239     {
 240     case PROP_FONT_NAME:
 241       g_value_take_string (value, gtk_font_chooser_get_font_name (fontchooser));
 242       break;
 243     case PROP_PREVIEW_TEXT:
 244       g_value_set_string (value, gtk_font_chooser_get_preview_text (fontchooser));
 245       break;
 246     case PROP_SHOW_PREVIEW_ENTRY:
 247       g_value_set_boolean (value, gtk_font_chooser_get_show_preview_entry (fontchooser));
 248       break;
 249     default:
 250       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 251       break;
 252     }
 253 }
 254
 255 static void
 256 text_changed_cb (GtkEntry       *entry,
 257                  GParamSpec     *pspec,
 258                  GtkFontChooser *fc)
 259 {
 260   GtkFontChooserPrivate *priv = fc->priv;
 261   const gchar *text;
 262
 263   text = gtk_entry_get_text (entry);
 264
 265   if (text == NULL || text[0] == '\0')
 266     {
 267       GIcon *icon;
 268
 269       icon = g_themed_icon_new_with_default_fallbacks ("edit-find-symbolic");
 270       g_object_set (G_OBJECT (priv->search_entry),
 271                     "secondary-icon-gicon", icon,
 272                     "secondary-icon-activatable", FALSE,
 273                     "secondary-icon-sensitive", FALSE,
 274                     NULL);
 275       g_object_unref (icon);
 276     }
 277   else
 278     {
 279       if (!gtk_entry_get_icon_activatable (GTK_ENTRY (priv->search_entry), GTK_ENTRY_ICON_SECONDARY))
 280         {
 281           GIcon *icon;
 282
 283           icon = g_themed_icon_new_with_default_fallbacks ("edit-clear-symbolic");
 284           g_object_set (G_OBJECT (priv->search_entry),
 285                         "secondary-icon-gicon", icon,
 286                         "secondary-icon-activatable", TRUE,
 287                         "secondary-icon-sensitive", TRUE,
 288                         NULL);
 289           g_object_unref (icon);
 290         }
 291     }
 292
 293   gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (priv->filter));
 294 }
 295
 296 static void
 297 icon_press_cb (GtkEntry             *entry,
 298                GtkEntryIconPosition  pos,
 299                GdkEvent             *event,
 300                gpointer              user_data)
 301 {
 302   gtk_entry_set_text (entry, "");
 303 }
 304
 305 static void
 306 slider_change_cb (GtkAdjustment *adjustment,
 307                   gpointer       user_data)
 308 {
 309   GtkFontChooser        *fc    = (GtkFontChooser*)user_data;
 310   GtkFontChooserPrivate *priv  = fc->priv;
 311   GtkAdjustment         *spin_adj     = gtk_spin_button_get_adjustment(GTK_SPIN_BUTTON (priv->size_spin));
 312   gdouble                slider_value = gtk_adjustment_get_value (adjustment);
 313   gdouble                spin_value   = gtk_adjustment_get_value (spin_adj);
 314
 315   if (slider_value != spin_value)
 316     gtk_adjustment_set_value (spin_adj,
 317                               gtk_adjustment_get_value (adjustment));
 318 }
 319
 320 static void
 321 spin_change_cb (GtkAdjustment *adjustment,
 322                 gpointer       user_data)
 323 {
 324   PangoFontDescription    *desc;
 325   GtkFontChooser          *fontchooser = (GtkFontChooser*)user_data;
 326   GtkFontChooserPrivate   *priv        = fontchooser->priv;
 327   GtkAdjustment           *slider_adj  = gtk_range_get_adjustment (GTK_RANGE (priv->size_slider));
 328
 329   gdouble size = gtk_adjustment_get_value (adjustment);
 330   priv->size = ((gint)size) * PANGO_SCALE;
 331
 332   desc = pango_context_get_font_description (gtk_widget_get_pango_context (priv->preview));
 333   pango_font_description_set_size (desc, priv->size);
 334   gtk_widget_override_font (priv->preview, desc);
 335
 336   g_object_notify (G_OBJECT (fontchooser), "font-name");
 337
 338   /* If the new value is lower than the lower bound of the slider, we set
 339    * the slider adjustment to the lower bound value if it is not already set
 340    */
 341   if (size < gtk_adjustment_get_lower (slider_adj) &&
 342       gtk_adjustment_get_value (slider_adj) != gtk_adjustment_get_lower (slider_adj))
 343     gtk_adjustment_set_value (slider_adj, gtk_adjustment_get_lower (slider_adj));
 344
 345   /* If the new value is upper than the upper bound of the slider, we set
 346    * the slider adjustment to the upper bound value if it is not already set
 347    */
 348   else if (size > gtk_adjustment_get_upper (slider_adj) &&
 349            gtk_adjustment_get_value (slider_adj) != gtk_adjustment_get_upper (slider_adj))
 350     gtk_adjustment_set_value (slider_adj, gtk_adjustment_get_upper (slider_adj));
 351
 352   /* If the new value is not already set on the slider we set it */
 353   else if (size != gtk_adjustment_get_value (slider_adj))
 354     gtk_adjustment_set_value (slider_adj, size);
 355
 356   gtk_widget_queue_draw (priv->preview);
 357 }
 358
 359 static void
 360 set_range_marks (GtkFontChooserPrivate *priv,
 361                  GtkWidget             *size_slider,
 362                  gint                  *sizes,
 363                  gint                   length)
 364 {
 365   GtkAdjustment *adj;
 366   gint i;
 367   gdouble value;
 368
 369   if (length < 2)
 370     {
 371       sizes = (gint*)font_sizes;
 372       length = G_N_ELEMENTS (font_sizes);
 373     }
 374
 375   gtk_scale_clear_marks (GTK_SCALE (size_slider));
 376
 377   adj = gtk_range_get_adjustment(GTK_RANGE (size_slider));
 378
 379   gtk_adjustment_set_lower (adj, (gdouble) sizes[0]);
 380   gtk_adjustment_set_upper (adj, (gdouble) sizes[length-1]);
 381
 382   value = gtk_adjustment_get_value (adj);
 383   if (value > (gdouble) sizes[length-1])
 384     gtk_adjustment_set_value (adj, (gdouble) sizes[length-1]);
 385   else if (value < (gdouble) sizes[0])
 386     gtk_adjustment_set_value (adj, (gdouble) sizes[0]);
 387
 388   for (i = 0; i < length; i++)
 389     gtk_scale_add_mark (GTK_SCALE (size_slider),
 390                         (gdouble) sizes[i],
 391                         GTK_POS_BOTTOM, NULL);
 392 }
 393
 394 static void
 395 cursor_changed_cb (GtkTreeView *treeview,
 396                    gpointer     user_data)
 397 {
 398   PangoFontFamily      *family;
 399   PangoFontFace        *face;
 400   PangoFontDescription *desc;
 401
 402   gint *sizes;
 403   gint  i, n_sizes;
 404
 405   GtkTreeIter  iter;
 406   GtkTreePath *path = gtk_tree_path_new ();
 407
 408   GtkFontChooser *fontchooser = (GtkFontChooser*)user_data;
 409
 410   gtk_tree_view_get_cursor (treeview, &path, NULL);
 411
 412   if (!path)
 413     return;
 414
 415   if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (fontchooser->priv->filter), &iter, path))
 416     {
 417       gtk_tree_path_free (path);
 418       return;
 419     }
 420
 421
 422   gtk_tree_model_get (GTK_TREE_MODEL (fontchooser->priv->filter), &iter,
 423                       FACE_COLUMN, &face,
 424                       FAMILY_COLUMN, &family,
 425                       -1);
 426
 427   gtk_tree_view_scroll_to_cell (treeview, path, NULL, FALSE, 0.5, 0.5);
 428
 429   gtk_tree_path_free (path);
 430   path = NULL;
 431
 432   if (!face || !family)
 433     {
 434       g_object_unref (face);
 435       g_object_unref (family);
 436       return;
 437     }
 438
 439   desc = pango_font_face_describe (face);
 440   pango_font_description_set_size (desc, fontchooser->priv->size);
 441   gtk_widget_override_font (fontchooser->priv->preview, desc);
 442
 443   pango_font_face_list_sizes (face, &sizes, &n_sizes);
 444   /* It seems not many fonts actually have a sane set of sizes */
 445   for (i = 0; i < n_sizes; i++)
 446     sizes[i] = sizes[i] / PANGO_SCALE;
 447
 448   set_range_marks (fontchooser->priv, fontchooser->priv->size_slider, sizes, n_sizes);
 449
 450   gtk_font_chooser_ref_family (fontchooser, family);
 451   gtk_font_chooser_ref_face   (fontchooser, face);
 452
 453   /* Free resources */
 454   g_object_unref ((gpointer)family);
 455   g_object_unref ((gpointer)face);
 456   pango_font_description_free(desc);
 457
 458   g_object_notify (G_OBJECT (fontchooser), "font-name");
 459 }
 460
 461 static gboolean
 462 zoom_preview_cb (GtkWidget      *scrolled_window,
 463                  GdkEventScroll *event,
 464                  gpointer        user_data)
 465 {
 466   GtkFontChooser        *fc    = (GtkFontChooser*)user_data;
 467   GtkFontChooserPrivate *priv  = fc->priv;
 468
 469   GtkAdjustment *adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (priv->size_spin));
 470
 471   if (event->direction == GDK_SCROLL_UP || event->direction == GDK_SCROLL_RIGHT)
 472     gtk_adjustment_set_value (adj,
 473                               gtk_adjustment_get_value (adj) +
 474                               gtk_adjustment_get_step_increment (adj));
 475   else if (event->direction == GDK_SCROLL_DOWN || event->direction == GDK_SCROLL_LEFT)
 476     gtk_adjustment_set_value (adj,
 477                               gtk_adjustment_get_value (adj) -
 478                               gtk_adjustment_get_step_increment (adj));
 479   return TRUE;
 480 }
 481
 482 #if 0
 483 static void
 484 row_inserted_cb (GtkTreeModel *model,
 485                  GtkTreePath  *path,
 486                  GtkTreeIter  *iter,
 487                  gpointer      user_data)
 488 {
 489   GtkFontChooser        *fontchooser = (GtkFontChooser*)user_data;
 490   GtkFontChooserPrivate *priv        = fontchooser->priv;
 491
 492   if (gtk_bin_get_child (GTK_BIN (priv->list_scrolled_window)) ==
 493       priv->empty_list)
 494     {
 495       g_object_ref (priv->empty_list);
 496       gtk_container_remove (GTK_CONTAINER (priv->list_scrolled_window),
 497                             priv->empty_list);
 498       gtk_container_add (GTK_CONTAINER (priv->list_scrolled_window),
 499                          priv->family_face_list);
 500     }
 501 }
 502
 503 static void
 504 row_deleted_cb  (GtkTreeModel *model,
 505                  GtkTreePath  *path,
 506                  gpointer      user_data)
 507 {
 508   GtkFontChooser        *fontchooser = (GtkFontChooser*)user_data;
 509   GtkFontChooserPrivate *priv        = fontchooser->priv;
 510
 511   if (gtk_tree_model_iter_n_children (model, NULL) == 0)
 512     {
 513       if (gtk_bin_get_child (GTK_BIN (priv->list_scrolled_window)) ==
 514           priv->family_face_list)
 515         {
 516           g_object_ref (priv->family_face_list);
 517           gtk_container_remove (GTK_CONTAINER (priv->list_scrolled_window),
 518                                 priv->family_face_list);
 519           gtk_container_add (GTK_CONTAINER (priv->list_scrolled_window),
 520                              priv->empty_list);
 521         }
 522     }
 523 }
 524 #endif
 525
 526 static void
 527 gtk_font_chooser_init (GtkFontChooser *fontchooser)
 528 {
 529   GIcon                   *icon;
 530   GtkFontChooserPrivate   *priv;
 531   PangoFontDescription    *font_desc;
 532   GtkWidget               *scrolled_win;
 533   GtkWidget               *grid;
 534   GtkWidget               *sub_grid;
 535
 536   fontchooser->priv = G_TYPE_INSTANCE_GET_PRIVATE (fontchooser,
 537                                                    GTK_TYPE_FONT_CHOOSER,
 538                                                    GtkFontChooserPrivate);
 539
 540   priv = fontchooser->priv;
 541
 542   /* Default preview string  */
 543   priv->preview_text = g_strdup (pango_language_get_sample_string (NULL));
 544   priv->show_preview_entry = TRUE;
 545
 546   /* Getting the default size */
 547   font_desc  = pango_context_get_font_description (gtk_widget_get_pango_context (GTK_WIDGET (fontchooser)));
 548   priv->size = pango_font_description_get_size (font_desc);
 549   priv->face = NULL;
 550   priv->family = NULL;
 551
 552   gtk_widget_push_composite_child ();
 553
 554   /* Creating fundamental widgets for the private struct */
 555   priv->search_entry = gtk_entry_new ();
 556   priv->family_face_list = gtk_tree_view_new ();
 557   priv->preview = gtk_entry_new ();
 558   priv->size_slider = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL,
 559                                                 (gdouble) font_sizes[0],
 560                                                 (gdouble) font_sizes[G_N_ELEMENTS (font_sizes) - 1],
 561                                                 1.0);
 562
 563   priv->size_spin = gtk_spin_button_new_with_range (0.0, (gdouble)(G_MAXINT / PANGO_SCALE), 1.0);
 564
 565   /** Bootstrapping widget layout **/
 566   gtk_box_set_spacing (GTK_BOX (fontchooser), 6);
 567
 568   /* Main font family/face view */
 569   priv->list_scrolled_window = gtk_scrolled_window_new (NULL, NULL);
 570   scrolled_win = priv->list_scrolled_window;
 571   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
 572                                   GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 573   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_win),
 574                                        GTK_SHADOW_ETCHED_IN);
 575   gtk_container_add (GTK_CONTAINER (scrolled_win),
 576                      priv->family_face_list);
 577
 578   /* Text to display when list is empty */
 579   priv->empty_list = gtk_text_view_new ();
 580   gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->empty_list)),
 581                             _(NO_FONT_MATCHED_SEARCH),
 582                             -1);
 583
 584   /* Basic layout */
 585   grid = gtk_grid_new ();
 586   sub_grid = gtk_grid_new ();
 587
 588   gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
 589   gtk_grid_set_row_spacing (GTK_GRID (sub_grid), 6);
 590
 591   gtk_grid_attach (GTK_GRID (grid), priv->search_entry, 0, 0, 3, 1);
 592   gtk_grid_attach (GTK_GRID (grid), scrolled_win,       0, 1, 3, 1);
 593   gtk_grid_attach (GTK_GRID (grid), priv->preview,      0, 2, 3, 1);
 594   gtk_grid_attach (GTK_GRID (grid), sub_grid,           0, 4, 3, 1);
 595
 596   gtk_widget_set_hexpand  (GTK_WIDGET (sub_grid),          TRUE);
 597   gtk_grid_attach (GTK_GRID (sub_grid), priv->size_slider,  0, 3, 2, 1);
 598   gtk_grid_attach (GTK_GRID (sub_grid), priv->size_spin,    2, 3, 1, 1);
 599
 600   gtk_widget_set_hexpand  (GTK_WIDGET (scrolled_win),      TRUE);
 601   gtk_widget_set_vexpand  (GTK_WIDGET (scrolled_win),      TRUE);
 602   gtk_widget_set_hexpand  (GTK_WIDGET (priv->search_entry), TRUE);
 603
 604   gtk_widget_set_hexpand  (GTK_WIDGET (priv->size_slider), TRUE);
 605   gtk_widget_set_hexpand  (GTK_WIDGET (priv->size_spin),   FALSE);
 606
 607   gtk_grid_set_column_homogeneous (GTK_GRID (sub_grid), FALSE);
 608   gtk_box_pack_start (GTK_BOX (fontchooser), grid, TRUE, TRUE, 0);
 609
 610   /* Setting the adjustment values for the size slider */
 611   gtk_adjustment_set_value (gtk_range_get_adjustment (GTK_RANGE (priv->size_slider)),
 612                             (gdouble)(priv->size / PANGO_SCALE));
 613   gtk_adjustment_set_value (gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (priv->size_spin)),
 614                             (gdouble)(priv->size / PANGO_SCALE));
 615
 616   gtk_widget_show_all (GTK_WIDGET (fontchooser));
 617   gtk_widget_hide     (GTK_WIDGET (fontchooser));
 618
 619   /* Treeview column and model bootstrapping */
 620   gtk_font_chooser_bootstrap_fontlist (fontchooser);
 621
 622   /* Set default preview text */
 623   gtk_entry_set_text (GTK_ENTRY (priv->preview),
 624                       pango_language_get_sample_string (NULL));
 625
 626   /* Set search icon and place holder text */
 627   icon = g_themed_icon_new_with_default_fallbacks ("edit-find-symbolic");
 628   g_object_set (G_OBJECT (priv->search_entry),
 629                 "secondary-icon-gicon", icon,
 630                 "secondary-icon-activatable", FALSE,
 631                 "secondary-icon-sensitive", FALSE,
 632                 NULL);
 633   g_object_unref (icon);
 634
 635   gtk_entry_set_placeholder_text (GTK_ENTRY (priv->search_entry), _("Search font name"));
 636
 637   /** Callback connections **/
 638   g_signal_connect (priv->search_entry, "notify::text",
 639                     G_CALLBACK (text_changed_cb), fontchooser);
 640   g_signal_connect (priv->search_entry,
 641                     "icon-press", G_CALLBACK (icon_press_cb), NULL);
 642
 643   g_signal_connect (gtk_range_get_adjustment (GTK_RANGE (priv->size_slider)),
 644                     "value-changed", G_CALLBACK (slider_change_cb), fontchooser);
 645   g_signal_connect (gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (priv->size_spin)),
 646                     "value-changed", G_CALLBACK (spin_change_cb), fontchooser);
 647
 648   priv->cursor_changed_handler =
 649       g_signal_connect (priv->family_face_list, "cursor-changed",
 650                         G_CALLBACK (cursor_changed_cb), fontchooser);
 651
 652   /* Zoom on preview scroll*/
 653   g_signal_connect (priv->preview, "scroll-event",
 654                     G_CALLBACK (zoom_preview_cb), fontchooser);
 655
 656   g_signal_connect (priv->size_slider, "scroll-event",
 657                     G_CALLBACK (zoom_preview_cb), fontchooser);
 658
 659   set_range_marks (priv, priv->size_slider, (gint*)font_sizes, G_N_ELEMENTS (font_sizes));
 660
 661   /* Font list empty hides the scrolledwindow */
 662   /*
 663   g_signal_connect (G_OBJECT (priv->filter), "row-deleted",
 664                     G_CALLBACK (row_deleted_cb), fontchooser);
 665   g_signal_connect (G_OBJECT (priv->filter), "row-inserted",
 666                     G_CALLBACK (row_inserted_cb), fontchooser);
 667   */
 668
 669   /* Set default focus */
 670   gtk_widget_pop_composite_child ();
 671 }
 672
 673 /**
 674  * gtk_font_chooser_new:
 675  *
 676  * Creates a new #GtkFontChooser.
 677  *
 678  * Return value: a new #GtkFontChooser
 679  *
 680  * Since: 3.2
 681  */
 682 GtkWidget *
 683 gtk_font_chooser_new (void)
 684 {
 685   GtkFontChooser *fontchooser;
 686
 687   fontchooser = g_object_new (GTK_TYPE_FONT_CHOOSER, NULL);
 688
 689   return GTK_WIDGET (fontchooser);
 690 }
 691
 692 static int
 693 cmp_families (const void *a,
 694               const void *b)
 695 {
 696   const char *a_name = pango_font_family_get_name (*(PangoFontFamily **)a);
 697   const char *b_name = pango_font_family_get_name (*(PangoFontFamily **)b);
 698
 699   return g_utf8_collate (a_name, b_name);
 700 }
 701
 702 static void
 703 populate_list (GtkFontChooser *fontchooser,
 704                GtkTreeView    *treeview,
 705                GtkListStore   *model)
 706 {
 707   GtkStyleContext      *style_context;
 708   PangoFontDescription *default_font;
 709
 710   GtkTreeIter   match_row;
 711   GtkTreePath  *path;
 712
 713   gint n_families, i;
 714   PangoFontFamily **families;
 715   GString     *tmp;
 716   GString     *family_and_face;
 717
 718   if (!gtk_widget_has_screen (GTK_WIDGET (fontchooser)))
 719     return;
 720
 721   tmp = g_string_new (NULL);
 722   family_and_face = g_string_new (NULL);
 723
 724   pango_context_list_families (gtk_widget_get_pango_context (GTK_WIDGET (treeview)),
 725                                &families,
 726                                &n_families);
 727
 728   qsort (families, n_families, sizeof (PangoFontFamily *), cmp_families);
 729
 730   gtk_list_store_clear (model);
 731
 732   /* Get row header font color */
 733   style_context = gtk_widget_get_style_context (GTK_WIDGET (treeview));
 734
 735   /* Get theme font */
 736   default_font  = (PangoFontDescription*) gtk_style_context_get_font (style_context,
 737                                                                       GTK_STATE_NORMAL);
 738
 739   /* Iterate over families and faces */
 740   for (i = 0; i < n_families; i++)
 741     {
 742       GtkTreeIter     iter;
 743       PangoFontFace **faces;
 744
 745       int             j, n_faces;
 746       const gchar    *fam_name = pango_font_family_get_name (families[i]);
 747
 748       pango_font_family_list_faces (families[i], &faces, &n_faces);
 749
 750       for (j = 0; j < n_faces; j++)
 751         {
 752           PangoFontDescription *pango_desc = pango_font_face_describe (faces[j]);
 753           const gchar *face_name = pango_font_face_get_face_name (faces[j]);
 754           gchar       *font_desc = pango_font_description_to_string (pango_desc);
 755
 756           /* foreground_color, family_name, face_name, desc, sample string */
 757           g_string_printf (family_and_face, "%s %s", fam_name, face_name);
 758
 759           g_string_printf (tmp, ROW_FORMAT_STRING,
 760                            family_and_face->str,
 761                            font_desc,
 762                            fontchooser->priv->preview_text);
 763
 764           gtk_list_store_append (model, &iter);
 765           gtk_list_store_set (model, &iter,
 766                               FAMILY_COLUMN, families[i],
 767                               FACE_COLUMN, faces[j],
 768                               PREVIEW_TITLE_COLUMN, family_and_face->str,
 769                               PREVIEW_TEXT_COLUMN, tmp->str,
 770                               -1);
 771
 772           /* Select the first font or the default font/face from the style context */
 773           if ((i == 0 && j == 0) ||
 774               (!strcmp (fam_name, pango_font_description_get_family (default_font)) && j == 0))
 775             match_row = iter;
 776
 777           pango_font_description_free(pango_desc);
 778           g_free (font_desc);
 779         }
 780
 781       g_free (faces);
 782     }
 783
 784   path = gtk_tree_model_get_path (GTK_TREE_MODEL (model), &match_row);
 785
 786   if (path)
 787     {
 788       gtk_tree_view_set_cursor (treeview, path, NULL, FALSE);
 789       gtk_tree_view_scroll_to_cell (treeview, path, NULL, FALSE, 0.5, 0.5);
 790       gtk_tree_path_free(path);
 791     }
 792
 793   g_string_free (family_and_face, TRUE);
 794   g_string_free (tmp, TRUE);
 795   g_free (families);
 796 }
 797
 798 static gboolean
 799 visible_func (GtkTreeModel *model,
 800               GtkTreeIter  *iter,
 801               gpointer      user_data)
 802 {
 803   gboolean result = TRUE;
 804   GtkFontChooserPrivate *priv = (GtkFontChooserPrivate*)user_data;
 805
 806   const gchar *search_text = (const gchar*)gtk_entry_get_text (GTK_ENTRY (priv->search_entry));
 807   gchar       *font_name;
 808   gchar       *term;
 809   gchar      **split_terms;
 810   gint         n_terms = 0;
 811
 812   /* If there's no filter string we show the item */
 813   if (strlen (search_text) == 0)
 814     return TRUE;
 815
 816   gtk_tree_model_get (model, iter,
 817                       PREVIEW_TITLE_COLUMN, &font_name,
 818                       -1);
 819
 820   if (font_name == NULL)
 821     return FALSE;
 822
 823   split_terms = g_strsplit (search_text, " ", 0);
 824   term = split_terms[0];
 825
 826   while (term && result)
 827   {
 828     gchar* font_name_casefold = g_utf8_casefold (font_name, -1);
 829     gchar* term_casefold = g_utf8_casefold (term, -1);
 830
 831     if (g_strrstr (font_name_casefold, term_casefold))
 832       result = result && TRUE;
 833     else
 834       result = FALSE;
 835
 836     n_terms++;
 837     term = split_terms[n_terms];
 838
 839     g_free (term_casefold);
 840     g_free (font_name_casefold);
 841   }
 842
 843   g_free (font_name);
 844   g_strfreev (split_terms);
 845
 846   return result;
 847 }
 848
 849 static void
 850 gtk_font_chooser_bootstrap_fontlist (GtkFontChooser *fontchooser)
 851 {
 852   GtkTreeView       *treeview = GTK_TREE_VIEW (fontchooser->priv->family_face_list);
 853   GtkCellRenderer   *cell;
 854   GtkTreeViewColumn *col;
 855
 856   fontchooser->priv->model = gtk_list_store_new (4,
 857                                                  PANGO_TYPE_FONT_FAMILY,
 858                                                  PANGO_TYPE_FONT_FACE,
 859                                                  G_TYPE_STRING,
 860                                                  G_TYPE_STRING);
 861
 862   fontchooser->priv->filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (fontchooser->priv->model),
 863                                                          NULL);
 864   g_object_unref (fontchooser->priv->model);
 865
 866   gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (fontchooser->priv->filter),
 867                                           visible_func,
 868                                           (gpointer)fontchooser->priv,
 869                                           NULL);
 870
 871   gtk_tree_view_set_model (treeview, GTK_TREE_MODEL (fontchooser->priv->filter));
 872   g_object_unref (fontchooser->priv->filter);
 873
 874   gtk_tree_view_set_rules_hint      (treeview, TRUE);
 875   gtk_tree_view_set_headers_visible (treeview, FALSE);
 876
 877   cell = gtk_cell_renderer_text_new ();
 878   col = gtk_tree_view_column_new_with_attributes ("Family",
 879                                                   cell,
 880                                                   "markup", PREVIEW_TEXT_COLUMN,
 881                                                   NULL);
 882
 883   g_object_set (cell, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
 884
 885   gtk_tree_view_append_column (treeview, col);
 886
 887   populate_list (fontchooser, treeview, fontchooser->priv->model);
 888 }
 889
 890 static void
 891 gtk_font_chooser_dispose (GObject *object)
 892 {
 893   GtkFontChooser *fontchooser = GTK_FONT_CHOOSER (object);
 894   GtkFontChooserPrivate *priv = fontchooser->priv;
 895
 896   if (priv->cursor_changed_handler != 0)
 897     {
 898       g_signal_handler_disconnect (priv->family_face_list,
 899                                    priv->cursor_changed_handler);
 900       priv->cursor_changed_handler = 0;
 901     }
 902
 903   G_OBJECT_CLASS (gtk_font_chooser_parent_class)->dispose (object);
 904 }
 905
 906 static void
 907 gtk_font_chooser_finalize (GObject *object)
 908 {
 909   GtkFontChooser *fontchooser = GTK_FONT_CHOOSER (object);
 910
 911   gtk_font_chooser_ref_family (fontchooser, NULL);
 912   gtk_font_chooser_ref_face (fontchooser, NULL);
 913
 914   G_OBJECT_CLASS (gtk_font_chooser_parent_class)->finalize (object);
 915 }
 916
 917 static void
 918 gtk_font_chooser_screen_changed (GtkWidget *widget,
 919                                  GdkScreen *previous_screen)
 920 {
 921   GtkFontChooser *fontchooser = GTK_FONT_CHOOSER (widget);
 922
 923   populate_list (fontchooser,
 924                  GTK_TREE_VIEW (fontchooser->priv->family_face_list),
 925                  fontchooser->priv->model);
 926 }
 927
 928 static void
 929 gtk_font_chooser_style_updated (GtkWidget *widget)
 930 {
 931   GtkFontChooser *fontchooser = GTK_FONT_CHOOSER (widget);
 932
 933   GTK_WIDGET_CLASS (gtk_font_chooser_parent_class)->style_updated (widget);
 934
 935   populate_list (fontchooser,
 936                  GTK_TREE_VIEW (fontchooser->priv->family_face_list),
 937                  fontchooser->priv->model);
 938 }
 939
 940 static void
 941 gtk_font_chooser_ref_family (GtkFontChooser  *fontchooser,
 942                              PangoFontFamily *family)
 943 {
 944   GtkFontChooserPrivate *priv = fontchooser->priv;
 945
 946   if (family)
 947     family = g_object_ref (family);
 948   if (priv->family)
 949     g_object_unref (priv->family);
 950   priv->family = family;
 951 }
 952
 953 static void
 954 gtk_font_chooser_ref_face (GtkFontChooser *fontchooser,
 955                            PangoFontFace  *face)
 956 {
 957   GtkFontChooserPrivate *priv = fontchooser->priv;
 958
 959   if (face)
 960     face = g_object_ref (face);
 961   if (priv->face)
 962     g_object_unref (priv->face);
 963   priv->face = face;
 964 }
 965
 966 /**
 967  * gtk_font_chooser_get_family:
 968  * @fontchooser: a #GtkFontChooser
 969  *
 970  * Gets the #PangoFontFamily representing the selected font family.
 971  * Font families are a collection of font faces.
 972  *
 973  * Return value: (transfer none): A #PangoFontFamily representing the
 974  *     selected font family. The returned object is owned by @fontchooser
 975  *     and must not be modified or freed.
 976  *
 977  * Since: 3.2
 978  */
 979 PangoFontFamily *
 980 gtk_font_chooser_get_family (GtkFontChooser *fontchooser)
 981 {
 982   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
 983
 984   return fontchooser->priv->family;
 985 }
 986
 987 /**
 988  * gtk_font_chooser_get_face:
 989  * @fontchooser: a #GtkFontChooser
 990  *
 991  * Gets the #PangoFontFace representing the selected font group
 992  * details (i.e. family, slant, weight, width, etc).
 993  *
 994  * Return value: (transfer none): A #PangoFontFace representing the
 995  *     selected font group details. The returned object is owned by
 996  *     @fontchooser and must not be modified or freed.
 997  *
 998  * Since: 3.2
 999  */
1000 PangoFontFace *
1001 gtk_font_chooser_get_face (GtkFontChooser *fontchooser)
1002 {
1003   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
1004
1005   return fontchooser->priv->face;
1006 }
1007
1008 /**
1009  * gtk_font_chooser_get_size:
1010  * @fontchooser: a #GtkFontChooser
1011  *
1012  * The selected font size.
1013  *
1014  * Return value: A n integer representing the selected font size,
1015  *     or -1 if no font size is selected.
1016  *
1017  * Since: 3.2
1018  **/
1019 gint
1020 gtk_font_chooser_get_size (GtkFontChooser *fontchooser)
1021 {
1022   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), -1);
1023
1024   return fontchooser->priv->size;
1025 }
1026
1027 /**
1028  * gtk_font_chooser_get_font_name:
1029  * @fontchooser: a #GtkFontChooser
1030  *
1031  * Gets the currently-selected font name.
1032  *
1033  * Note that this can be a different string than what you set with
1034  * gtk_font_chooser_set_font_name(), as the font chooser widget may
1035  * normalize font names and thus return a string with a different
1036  * structure. For example, "Helvetica Italic Bold 12" could be
1037  * normalized to "Helvetica Bold Italic 12".
1038  *
1039  * Use pango_font_description_equal() if you want to compare two
1040  * font descriptions.
1041  *
1042  * Return value: (transfer full) (allow-none): A string with the name
1043  *     of the current font, or %NULL if  no font is selected. You must
1044  *     free this string with g_free().
1045  *
1046  * Since: 3.2
1047  */
1048 gchar *
1049 gtk_font_chooser_get_font_name (GtkFontChooser *fontchooser)
1050 {
1051   gchar                *font_name;
1052   gchar                *font_desc_name;
1053   PangoFontDescription *desc;
1054
1055   if (!fontchooser->priv->face)
1056     return NULL;
1057
1058   desc = pango_font_face_describe (fontchooser->priv->face);
1059   font_desc_name = pango_font_description_to_string (desc);
1060   pango_font_description_free (desc);
1061
1062   font_name = g_strdup_printf ("%s %d", font_desc_name, fontchooser->priv->size / PANGO_SCALE);
1063   g_free (font_desc_name);
1064   return font_name;
1065 }
1066
1067 /**
1068  * gtk_font_chooser_set_font_name:
1069  * @fontchooser: a #GtkFontChooser
1070  * @fontname: a font name like "Helvetica 12" or "Times Bold 18"
1071  *
1072  * Sets the currently-selected font.
1073  *
1074  * Note that the @fontchooser needs to know the screen in which
1075  * it will appear for this to work; this can be guaranteed by simply
1076  * making sure that the @fontchooser is inserted in a toplevel window
1077  * before you call this function.
1078  *
1079  * Return value: %TRUE if the font could be set successfully; %FALSE
1080  *     if no such font exists or if the @fontchooser doesn't belong
1081  *     to a particular screen yet.
1082  *
1083  * Since: 3.2
1084  */
1085 gboolean
1086 gtk_font_chooser_set_font_name (GtkFontChooser *fontchooser,
1087                                 const gchar    *fontname)
1088 {
1089   GtkFontChooserPrivate *priv = fontchooser->priv;
1090   GtkTreeIter           iter;
1091   gboolean              valid;
1092   gchar                *family_name;
1093   PangoFontDescription *desc;
1094   gboolean              found = FALSE;
1095
1096   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), FALSE);
1097   g_return_val_if_fail (fontname != NULL, FALSE);
1098
1099   if (!gtk_widget_has_screen (GTK_WIDGET (fontchooser)))
1100     return FALSE;
1101
1102   desc = pango_font_description_from_string (fontname);
1103   family_name = (gchar*)pango_font_description_get_family (desc);
1104
1105   if (!family_name)
1106     {
1107       pango_font_description_free (desc);
1108       return FALSE;
1109     }
1110
1111   /* We make sure the filter is clear */
1112   gtk_entry_set_text (GTK_ENTRY (priv->search_entry), "");
1113
1114   /* We find the matching family/face */
1115   for (valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->filter), &iter);
1116        valid;
1117        valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->filter), &iter))
1118     {
1119       PangoFontFace        *face;
1120       PangoFontDescription *tmp_desc;
1121
1122       gtk_tree_model_get (GTK_TREE_MODEL (priv->filter), &iter,
1123                           FACE_COLUMN,   &face,
1124                           -1);
1125
1126       tmp_desc = pango_font_face_describe (face);
1127       if (pango_font_description_get_size_is_absolute (desc))
1128         pango_font_description_set_absolute_size (tmp_desc,
1129                                                   pango_font_description_get_size (desc));
1130       else
1131         pango_font_description_set_size (tmp_desc,
1132                                          pango_font_description_get_size (desc));
1133
1134       if (pango_font_description_equal (desc, tmp_desc))
1135         {
1136           GtkTreePath *path;
1137           gint size = pango_font_description_get_size (desc);
1138
1139           if (size)
1140             {
1141               if (pango_font_description_get_size_is_absolute (desc))
1142                 size = size * PANGO_SCALE;
1143               gtk_spin_button_set_value (GTK_SPIN_BUTTON (priv->size_spin),
1144                                          size / PANGO_SCALE);
1145             }
1146
1147           path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->filter),
1148                                           &iter);
1149
1150           if (path)
1151             {
1152               gtk_tree_view_set_cursor (GTK_TREE_VIEW (priv->family_face_list),
1153                                         path,
1154                                         NULL,
1155                                         FALSE);
1156               gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (priv->family_face_list),
1157                                             path,
1158                                             NULL,
1159                                             FALSE,
1160                                             0.5,
1161                                             0.5);
1162               gtk_tree_path_free (path);
1163             }
1164
1165           found = TRUE;
1166         }
1167
1168       g_object_unref (face);
1169       pango_font_description_free (tmp_desc);
1170
1171       if (found)
1172         break;
1173     }
1174
1175   pango_font_description_free (desc);
1176   g_object_notify (G_OBJECT (fontchooser), "font-name");
1177
1178   return found;
1179 }
1180
1181 /**
1182  * gtk_font_chooser_get_preview_text:
1183  * @fontchooser: a #GtkFontChooser
1184  *
1185  * Gets the text displayed in the preview area.
1186  *
1187  * Return value: (transfer none): the text displayed in the
1188  *     preview area. This string is owned by the widget and
1189  *     should not be modified or freed
1190  *
1191  * Since: 3.2
1192  */
1193 const gchar*
1194 gtk_font_chooser_get_preview_text (GtkFontChooser *fontchooser)
1195 {
1196   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
1197
1198   return (const gchar*)fontchooser->priv->preview_text;
1199 }
1200
1201
1202 /**
1203  * gtk_font_chooser_set_preview_text:
1204  * @fontchooser: a #GtkFontChooser
1205  * @text: (transfer none): the text to display in the preview area
1206  *
1207  * Sets the text displayed in the preview area.
1208  * The @text is used to show how the selected font looks.
1209  *
1210  * Since: 3.2
1211  */
1212 void
1213 gtk_font_chooser_set_preview_text (GtkFontChooser *fontchooser,
1214                                    const gchar    *text)
1215 {
1216   g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
1217   g_return_if_fail (text != NULL);
1218
1219   g_free (fontchooser->priv->preview_text);
1220   fontchooser->priv->preview_text = g_strdup (text);
1221
1222   populate_list (fontchooser,
1223                  GTK_TREE_VIEW (fontchooser->priv->family_face_list),
1224                  fontchooser->priv->model);
1225
1226   gtk_entry_set_text (GTK_ENTRY (fontchooser->priv->preview), text);
1227
1228   g_object_notify (G_OBJECT (fontchooser), "preview-text");
1229 }
1230
1231 /**
1232  * gtk_font_chooser_get_show_preview_entry:
1233  * @fontchooser: a #GtkFontChooser
1234  *
1235  * Returns whether the preview entry is shown or not.
1236  *
1237  * Return value: %TRUE if the preview entry is shown
1238  *     or %FALSE if it is hidden.
1239  *
1240  * Since: 3.2
1241  */
1242 gboolean
1243 gtk_font_chooser_get_show_preview_entry (GtkFontChooser *fontchooser)
1244 {
1245   g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), FALSE);
1246
1247   return fontchooser->priv->show_preview_entry;
1248 }
1249
1250 /**
1251  * gtk_font_chooser_set_show_preview_entry:
1252  * @fontchooser: a #GtkFontChooser
1253  * @show_preview_entry: whether to show the editable preview entry or not
1254  *
1255  * Shows or hides the editable preview entry.
1256  *
1257  * Since: 3.2
1258  */
1259 void
1260 gtk_font_chooser_set_show_preview_entry (GtkFontChooser *fontchooser,
1261                                          gboolean        show_preview_entry)
1262 {
1263   GtkFontChooserPrivate *priv = fontchooser->priv;
1264
1265   g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
1266
1267   if (priv->show_preview_entry != show_preview_entry)
1268     {
1269       fontchooser->priv->show_preview_entry = show_preview_entry;
1270
1271       if (show_preview_entry)
1272         gtk_widget_show (fontchooser->priv->preview);
1273       else
1274         gtk_widget_hide (fontchooser->priv->preview);
1275
1276       g_object_notify (G_OBJECT (fontchooser), "show-preview-entry");
1277     }
1278 }