git.maemo.org Git - hildon/blob - src/hildon-font-selection-dialog.c

   1 /*
   2  * This file is a part of hildon
   3  *
   4  * Copyright (C) 2005, 2006 Nokia Corporation, all rights reserved.
   5  *
   6  * Contact: Michael Dominic Kostrzewa <michael.kostrzewa@nokia.com>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; version 2.1 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  21  * 02110-1301 USA
  22  *
  23  */
  24
  25 /**
  26  * SECTION:hildon-font-selection-dialog
  27  * @short_description: A widget used to allow users to select a font
  28  * with certain properties.
  29  *
  30  * Font selection can be made using this widget. Users can select font name,
  31  * size, style, etc. Users can also preview text in the selected font.
  32  */
  33
  34 #ifdef                                          HAVE_CONFIG_H
  35 #include                                        <config.h>
  36 #endif
  37
  38 #include                                        <stdlib.h>
  39 #include                                        <string.h>
  40 #include                                        <gtk/gtkstock.h>
  41 #include                                        <gtk/gtkcombobox.h>
  42 #include                                        <gtk/gtktogglebutton.h>
  43 #include                                        <gtk/gtkcheckbutton.h>
  44 #include                                        <gtk/gtklabel.h>
  45 #include                                        <gtk/gtkvbox.h>
  46 #include                                        <gtk/gtkliststore.h>
  47 #include                                        <gtk/gtknotebook.h>
  48 #include                                        <gtk/gtk.h>
  49 #include                                        <glib.h>
  50 #include                                        <gdk/gdkkeysyms.h>
  51 #include                                        "hildon-font-selection-dialog.h"
  52 #include                                        "hildon-caption.h"
  53 #include                                        "hildon-color-button.h"
  54 #include                                        <libintl.h>
  55 #include                                        "hildon-font-selection-dialog-private.h"
  56
  57 /* These are what we use as the standard font sizes, for the size list */
  58
  59 static const guint16                            font_sizes[] =
  60 {
  61   6, 8, 10, 12, 16, 24, 32
  62 };
  63
  64 enum
  65 {
  66     PROP_0,
  67     PROP_FAMILY,
  68     PROP_FAMILY_SET,
  69     PROP_SIZE,
  70     PROP_SIZE_SET,
  71     PROP_COLOR,
  72     PROP_COLOR_SET,
  73     PROP_BOLD,
  74     PROP_BOLD_SET,
  75     PROP_ITALIC,
  76     PROP_ITALIC_SET,
  77     PROP_UNDERLINE,
  78     PROP_UNDERLINE_SET,
  79     PROP_STRIKETHROUGH,
  80     PROP_STRIKETHROUGH_SET,
  81     PROP_POSITION,
  82     PROP_POSITION_SET,
  83     PROP_PREVIEW_TEXT,
  84     PROP_FONT_SCALING
  85 };
  86
  87 /* combo box active row indicator -2--inconsistent, -1--undefined
  88  * please make sure that you use settings_init settings_apply
  89  * and settings_destroy, dont even try to touch this structure
  90  * without using the three above interface functions, of course
  91  * if you know what you are doing, do as you please ;-)*/
  92 typedef struct
  93 {
  94     HildonFontSelectionDialog *fsd;             /* pointer to our font selection dialog */
  95
  96     gint family;                                /* combo box indicator */
  97     gint size;                                  /* combo box indicator */
  98     GdkColor *color;                            /* free after read the setting */
  99     gboolean color_inconsist;
 100     gint weight;                                /* bit mask */
 101     gint style;                                 /* bit mask */
 102     gint underline;                             /* bit mask */
 103     gint strikethrough;                         /* bit mask */
 104     gint position;                              /* combo box indicator */
 105
 106 }                                               HildonFontSelectionDialogSettings;
 107
 108 static gboolean
 109 hildon_font_selection_dialog_preview_key_press  (GtkWidget *widget,
 110                                                  GdkEventKey *event,
 111                                                  gpointer unused);
 112
 113 static int
 114 cmp_families                                    (const void *a,
 115                                                  const void *b);
 116
 117 static void
 118 hildon_font_selection_dialog_show_preview       (HildonFontSelectionDialog *fontsel);
 119
 120 static PangoAttrList*
 121 hildon_font_selection_dialog_create_attrlist    (HildonFontSelectionDialog *fontsel,
 122                                                  guint start_index,
 123                                                  guint len);
 124
 125 static void
 126 hildon_font_selection_dialog_show_available_positionings (HildonFontSelectionDialogPrivate *priv);
 127
 128 static void
 129 hildon_font_selection_dialog_show_available_fonts (HildonFontSelectionDialog *fontsel);
 130
 131 static void
 132 hildon_font_selection_dialog_show_available_sizes (HildonFontSelectionDialogPrivate *priv);
 133
 134 static void
 135 hildon_font_selection_dialog_class_init         (HildonFontSelectionDialogClass *klass);
 136
 137 static void
 138 hildon_font_selection_dialog_init               (HildonFontSelectionDialog *fontseldiag);
 139
 140 static void
 141 hildon_font_selection_dialog_finalize           (GObject *object);
 142
 143 static void
 144 hildon_font_selection_dialog_construct_notebook (HildonFontSelectionDialog *fontsel);
 145
 146 static void
 147 color_modified_cb                               (HildonColorButton *button,
 148                                                  GParamSpec *pspec,
 149                                                  gpointer fsd_priv);
 150
 151 static void
 152 add_preview_text_attr                           (PangoAttrList *list,
 153                                                  PangoAttribute *attr,
 154                                                  guint start,
 155                                                  guint len);
 156
 157 static void
 158 toggle_clicked                                  (GtkButton *button,
 159                                                  gpointer unused);
 160
 161 static GtkDialogClass*                          parent_class = NULL;
 162
 163 #define                                         _(String) dgettext("hildon-libs", String)
 164
 165 #define                                         SUPERSCRIPT_RISE 3333
 166
 167 #define                                         SUBSCRIPT_LOW -3333
 168
 169 #define                                         ON_BIT  0x01
 170
 171 #define                                         OFF_BIT 0x02
 172
 173 /**
 174  * hildon_font_selection_dialog_get_type:
 175  *
 176  * Initializes and returns the type of a hildon font selection dialog
 177  *
 178  * @Returns: GType of #HildonFontSelectionDialog
 179  */
 180 GType G_GNUC_CONST
 181 hildon_font_selection_dialog_get_type           (void)
 182 {
 183     static GType font_selection_dialog_type = 0;
 184
 185     if (! font_selection_dialog_type) {
 186         static const GTypeInfo fontsel_diag_info = {
 187             sizeof(HildonFontSelectionDialogClass),
 188             NULL,       /* base_init */
 189             NULL,       /* base_finalize */
 190             (GClassInitFunc) hildon_font_selection_dialog_class_init,
 191             NULL,       /* class_finalize */
 192             NULL,       /* class_data */
 193             sizeof(HildonFontSelectionDialog),
 194             0,  /* n_preallocs */
 195             (GInstanceInitFunc) hildon_font_selection_dialog_init,
 196         };
 197
 198         font_selection_dialog_type =
 199             g_type_register_static (GTK_TYPE_DIALOG,
 200                     "HildonFontSelectionDialog",
 201                     &fontsel_diag_info, 0);
 202     }
 203
 204     return font_selection_dialog_type;
 205 }
 206
 207 static void
 208 hildon_font_selection_dialog_get_property       (GObject *object,
 209                                                  guint prop_id,
 210                                                  GValue *value,
 211                                                  GParamSpec *pspec)
 212 {
 213     gint i;
 214     GdkColor color;
 215
 216     HildonFontSelectionDialogPrivate *priv =
 217         HILDON_FONT_SELECTION_DIALOG_GET_PRIVATE(object);
 218
 219     g_assert (priv);
 220
 221     switch (prop_id)
 222     {
 223         case PROP_FAMILY:
 224             i = gtk_combo_box_get_active (GTK_COMBO_BOX (priv->cbx_font_type));
 225             if(i >= 0 && i < priv->n_families)
 226                 g_value_set_string(value,
 227                         pango_font_family_get_name (priv->families[i]));
 228             else
 229                 g_value_set_string (value, "Sans");
 230                 /* FIXME Bad hardcoding here */
 231             break;
 232
 233         case PROP_FAMILY_SET:
 234             i = gtk_combo_box_get_active (GTK_COMBO_BOX (priv->cbx_font_type));
 235             if(i >= 0 && i < priv->n_families)
 236                 g_value_set_boolean (value, TRUE);
 237             else
 238                 g_value_set_boolean (value, FALSE);
 239             break;
 240
 241         case PROP_SIZE:
 242             i = gtk_combo_box_get_active (GTK_COMBO_BOX (priv->cbx_font_size));
 243             if(i >= 0 && i < G_N_ELEMENTS (font_sizes))
 244                 g_value_set_int (value, font_sizes[i]);
 245             else
 246                 g_value_set_int (value, 16);
 247             break;
 248
 249         case PROP_SIZE_SET:
 250             i = gtk_combo_box_get_active (GTK_COMBO_BOX (priv->cbx_font_size));
 251             if(i >= 0 && i < G_N_ELEMENTS (font_sizes))
 252                 g_value_set_boolean (value, TRUE);
 253             else
 254                 g_value_set_boolean (value, FALSE);
 255             break;
 256
 257         case PROP_COLOR:
 258             hildon_color_button_get_color
 259                 (HILDON_COLOR_BUTTON (priv->font_color_button), &color);
 260             g_value_set_boxed (value, (gconstpointer) &color);
 261             break;
 262
 263         case PROP_COLOR_SET:
 264             g_value_set_boolean (value, priv->color_set);
 265             break;
 266
 267         case PROP_BOLD:
 268             g_value_set_boolean (value,
 269                     gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->chk_bold)));
 270             break;
 271
 272         case PROP_BOLD_SET:
 273             g_value_set_boolean (value,
 274                     ! gtk_toggle_button_get_inconsistent
 275                     (GTK_TOGGLE_BUTTON (priv->chk_bold)));
 276             break;
 277
 278         case PROP_ITALIC:
 279             g_value_set_boolean (value,
 280                     gtk_toggle_button_get_active
 281                     (GTK_TOGGLE_BUTTON (priv->chk_italic)));
 282             break;
 283
 284         case PROP_ITALIC_SET:
 285             g_value_set_boolean (value,
 286                     ! gtk_toggle_button_get_inconsistent
 287                     (GTK_TOGGLE_BUTTON (priv->chk_italic)));
 288             break;
 289
 290         case PROP_UNDERLINE:
 291             g_value_set_boolean (value,
 292                     gtk_toggle_button_get_active
 293                     (GTK_TOGGLE_BUTTON (priv->chk_underline)));
 294             break;
 295
 296         case PROP_UNDERLINE_SET:
 297             g_value_set_boolean (value,
 298                     ! gtk_toggle_button_get_inconsistent
 299                     (GTK_TOGGLE_BUTTON (priv->chk_underline)));
 300             break;
 301
 302         case PROP_STRIKETHROUGH:
 303             g_value_set_boolean(value,
 304                     gtk_toggle_button_get_active
 305                     (GTK_TOGGLE_BUTTON (priv->chk_strikethrough)));
 306             break;
 307
 308         case PROP_STRIKETHROUGH_SET:
 309             g_value_set_boolean(value,
 310                     ! gtk_toggle_button_get_inconsistent
 311                     (GTK_TOGGLE_BUTTON (priv->chk_strikethrough)));
 312             break;
 313
 314         case PROP_POSITION:
 315             i = gtk_combo_box_get_active (GTK_COMBO_BOX (priv->cbx_positioning));
 316             if(i == 1) /* super */
 317                 g_value_set_int (value, 1);
 318             else if(i == 2)/* sub */
 319                 g_value_set_int (value, -1);
 320             else
 321                 g_value_set_int (value, 0);
 322             break;
 323
 324         case PROP_FONT_SCALING:
 325             g_value_set_double (value, priv->font_scaling);
 326             break;
 327
 328         case PROP_POSITION_SET:
 329             i = gtk_combo_box_get_active (GTK_COMBO_BOX (priv->cbx_positioning));
 330             if(i >= 0 && i < 3)
 331                 g_value_set_boolean (value, TRUE);
 332             else
 333                 g_value_set_boolean (value, FALSE);
 334             break;
 335
 336         case PROP_PREVIEW_TEXT:
 337             g_value_set_string (value,
 338                     hildon_font_selection_dialog_get_preview_text (HILDON_FONT_SELECTION_DIALOG (object)));
 339             break;
 340
 341         default:
 342             G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 343             break;
 344     }
 345 }
 346
 347 static void
 348 hildon_font_selection_dialog_set_property       (GObject *object,
 349                                                  guint prop_id,
 350                                                  const GValue *value,
 351                                                  GParamSpec *pspec)
 352 {
 353     gint i, size;
 354     const gchar *str;
 355     gboolean b;
 356     GdkColor *color = NULL;
 357     GdkColor black;
 358
 359     HildonFontSelectionDialogPrivate *priv = HILDON_FONT_SELECTION_DIALOG_GET_PRIVATE (object);
 360     g_assert (priv);
 361
 362     black.red = black.green = black.blue = 0;
 363
 364     switch (prop_id)
 365     {
 366         case PROP_FAMILY:
 367             str = g_value_get_string (value);
 368             for(i = 0; i < priv->n_families; i++)
 369             {
 370                 if (strcmp (str, pango_font_family_get_name (priv->families[i]))
 371                         == 0)
 372                 {
 373                     gtk_combo_box_set_active (GTK_COMBO_BOX (priv->cbx_font_type), i);
 374                     break;
 375                 }
 376             }
 377             break;
 378
 379         case PROP_FAMILY_SET:
 380             b = g_value_get_boolean (value);
 381             if(!b)
 382                 gtk_combo_box_set_active (GTK_COMBO_BOX (priv->cbx_font_type), -1);
 383             break;
 384
 385         case PROP_SIZE:
 386             size = g_value_get_int (value);
 387             for(i = 0; i < G_N_ELEMENTS (font_sizes); i++)
 388             {
 389                 if(size == font_sizes[i])
 390                 {
 391                     gtk_combo_box_set_active (GTK_COMBO_BOX (priv->cbx_font_size), i);
 392                     break;
 393                 }
 394             }
 395             break;
 396
 397         case PROP_SIZE_SET:
 398             b = g_value_get_boolean (value);
 399             if(!b)
 400                 gtk_combo_box_set_active (GTK_COMBO_BOX (priv->cbx_font_size), -1);
 401             break;
 402
 403         case PROP_COLOR:
 404             color = (GdkColor *) g_value_get_boxed (value);
 405             if(color != NULL)
 406                 hildon_color_button_set_color (HILDON_COLOR_BUTTON
 407                         (priv->font_color_button),
 408                         color);
 409             else
 410                 hildon_color_button_set_color (HILDON_COLOR_BUTTON
 411                         (priv->font_color_button),
 412                         &black);
 413             break;
 414
 415         case PROP_COLOR_SET:
 416             priv->color_set = g_value_get_boolean (value);
 417             if(! priv->color_set)
 418             {
 419                 /* set color to black, but block our signal handler */
 420                 g_signal_handler_block ((gpointer) priv->font_color_button,
 421                         priv->color_modified_signal_handler);
 422
 423                 hildon_color_button_set_color (HILDON_COLOR_BUTTON
 424                         (priv->font_color_button),
 425                         &black);
 426
 427                 g_signal_handler_unblock ((gpointer) priv->font_color_button,
 428                         priv->color_modified_signal_handler);
 429             }
 430             break;
 431
 432         case PROP_BOLD:
 433             /* this call will make sure that we dont get extra clicked signal */
 434             gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON(priv->chk_bold), FALSE);
 435             gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(priv->chk_bold), g_value_get_boolean (value));
 436             break;
 437
 438         case PROP_BOLD_SET:
 439             gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON (priv->chk_bold),! g_value_get_boolean(value));
 440             break;
 441
 442         case PROP_ITALIC:
 443             gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(priv->chk_italic),
 444                     FALSE);
 445             gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(priv->chk_italic),
 446                     g_value_get_boolean(value));
 447             break;
 448
 449         case PROP_ITALIC_SET:
 450             gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(priv->chk_italic),
 451                     !g_value_get_boolean(value));
 452             break;
 453
 454         case PROP_UNDERLINE:
 455             gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON
 456                     (priv->chk_underline),
 457                     FALSE);
 458             gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(priv->chk_underline),
 459                     g_value_get_boolean(value));
 460             break;
 461
 462         case PROP_UNDERLINE_SET:
 463             gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(priv->chk_underline),
 464                     !g_value_get_boolean(value));
 465             break;
 466
 467         case PROP_STRIKETHROUGH:
 468             gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON
 469                     (priv->chk_strikethrough),
 470                     FALSE);
 471             gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(priv->chk_strikethrough),
 472                     g_value_get_boolean(value));
 473             break;
 474
 475         case PROP_STRIKETHROUGH_SET:
 476             gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON
 477                     (priv->chk_strikethrough),
 478                     !g_value_get_boolean(value));
 479             break;
 480
 481         case PROP_POSITION:
 482             i = g_value_get_int(value);
 483             if( i == 1 )
 484                 gtk_combo_box_set_active(GTK_COMBO_BOX(priv->cbx_positioning), 1);
 485             else if(i == -1)
 486                 gtk_combo_box_set_active(GTK_COMBO_BOX(priv->cbx_positioning), 2);
 487             else
 488                 gtk_combo_box_set_active(GTK_COMBO_BOX(priv->cbx_positioning), 0);
 489             break;
 490
 491         case PROP_FONT_SCALING:
 492             priv->font_scaling = g_value_get_double(value);
 493             break;
 494
 495         case PROP_POSITION_SET:
 496             b = g_value_get_boolean(value);
 497             if(!b)
 498                 gtk_combo_box_set_active(GTK_COMBO_BOX(priv->cbx_positioning), -1);
 499             break;
 500
 501         case PROP_PREVIEW_TEXT:
 502             hildon_font_selection_dialog_set_preview_text(
 503                     HILDON_FONT_SELECTION_DIALOG(object),
 504                     g_value_get_string(value));
 505             break;
 506
 507         default:
 508             G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 509             break;
 510     }
 511 }
 512
 513 static void
 514 hildon_font_selection_dialog_class_init         (HildonFontSelectionDialogClass *klass)
 515 {
 516     GObjectClass *gobject_class;
 517
 518     parent_class = g_type_class_peek_parent (klass);
 519     gobject_class = G_OBJECT_CLASS (klass);
 520
 521     gobject_class->finalize         = hildon_font_selection_dialog_finalize;
 522     gobject_class->get_property     = hildon_font_selection_dialog_get_property;
 523     gobject_class->set_property     = hildon_font_selection_dialog_set_property;
 524
 525     /* Install properties to the class */
 526
 527     /**
 528      * HildonFontSelectionDialog:family:
 529      *
 530      * Font family used.
 531      */
 532     g_object_class_install_property (gobject_class, PROP_FAMILY,
 533             g_param_spec_string ("family",
 534                 "Font family", "String defines"
 535                 " the font family", "Sans",
 536                 G_PARAM_READWRITE));
 537
 538     /**
 539      * HildonFontSelectionDialog:family-set:
 540      *
 541      * Is font family set or inconsistent.
 542      */
 543     g_object_class_install_property (gobject_class, PROP_FAMILY_SET,
 544             g_param_spec_boolean ("family-set",
 545                 "family inconsistent state",
 546                 "Whether the family property"
 547                 " is inconsistent", FALSE,
 548                 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 549
 550     /**
 551      * HildonFontSelectionDialog:size:
 552      *
 553      * Font size.
 554      */
 555     g_object_class_install_property (gobject_class, PROP_SIZE,
 556             g_param_spec_int ("size",
 557                 "Font size",
 558                 "Font size in Pt",
 559                 6, 32, 16,
 560                 G_PARAM_READWRITE));
 561
 562     /**
 563      * HildonFontSelectionDialog:size-set:
 564      *
 565      * Is font size set or inconsistent.
 566      */
 567     g_object_class_install_property (gobject_class, PROP_SIZE_SET,
 568             g_param_spec_boolean ("size-set",
 569                 "size inconsistent state",
 570                 "Whether the size property"
 571                 " is inconsistent", FALSE,
 572                 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 573
 574     /**
 575      * HildonFontSelectionDialog:color:
 576      *
 577      * GdkColor for the text.
 578      */
 579     g_object_class_install_property (gobject_class, PROP_COLOR,
 580             g_param_spec_boxed ("color",
 581                 "text color",
 582                 "gdk color for the text",
 583                 GDK_TYPE_COLOR,
 584                 G_PARAM_READWRITE));
 585
 586     /**
 587      * HildonFontSelectionDialog:color-set:
 588      *
 589      * Is font color set or inconsistent.
 590      */
 591     g_object_class_install_property (gobject_class, PROP_COLOR_SET,
 592             g_param_spec_boolean ("color-set",
 593                 "color inconsistent state",
 594                 "Whether the color property"
 595                 " is inconsistent", FALSE,
 596                 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 597
 598     /**
 599      * HildonFontSelectionDialog:color-set:
 600      *
 601      * Is font set as bold.
 602      */
 603     g_object_class_install_property (gobject_class, PROP_BOLD,
 604             g_param_spec_boolean ("bold",
 605                 "text weight",
 606                 "Whether the text is bold",
 607                 FALSE,
 608                 G_PARAM_READWRITE));
 609
 610     /**
 611      * HildonFontSelectionDialog:color-set:
 612      *
 613      * Is font bold status set or inconsistent.
 614      */
 615     g_object_class_install_property (gobject_class, PROP_BOLD_SET,
 616             g_param_spec_boolean ("bold-set",
 617                 "bold inconsistent state",
 618                 "Whether the bold"
 619                 " is inconsistent", FALSE,
 620                 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 621
 622     /**
 623      * HildonFontSelectionDialog:italic:
 624      *
 625      * Is font set as italic.
 626      */
 627     g_object_class_install_property (gobject_class, PROP_ITALIC,
 628             g_param_spec_boolean ("italic",
 629                 "text style",
 630                 "Whether the text is italic",
 631                 FALSE,
 632                 G_PARAM_READWRITE));
 633
 634     /**
 635      * HildonFontSelectionDialog:italic-set:
 636      *
 637      * Is font italic status set or inconsistent.
 638      */
 639     g_object_class_install_property (gobject_class, PROP_ITALIC_SET,
 640             g_param_spec_boolean ("italic-set",
 641                 "italic inconsistent state",
 642                 "Whether the italic"
 643                 " is inconsistent", FALSE,
 644                 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 645
 646     /**
 647      * HildonFontSelectionDialog:underline:
 648      *
 649      * Is the font underlined.
 650      */
 651     g_object_class_install_property (gobject_class, PROP_UNDERLINE,
 652             g_param_spec_boolean ("underline",
 653                 "text underline",
 654                 "Whether the text is underlined",
 655                 FALSE,
 656                 G_PARAM_READWRITE));
 657
 658     /**
 659      * HildonFontSelectionDialog:underline:
 660      *
 661      * Is font underline status set or inconsistent.
 662      */
 663     g_object_class_install_property (gobject_class, PROP_UNDERLINE_SET,
 664             g_param_spec_boolean ("underline-set",
 665                 "underline inconsistent state",
 666                 "Whether the underline"
 667                 " is inconsistent", FALSE,
 668                 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 669
 670     /**
 671      * HildonFontSelectionDialog:strikethrough:
 672      *
 673      * Is the font striken-through.
 674      */
 675     g_object_class_install_property (gobject_class, PROP_STRIKETHROUGH,
 676             g_param_spec_boolean ("strikethrough",
 677                 "strikethroughed text",
 678                 "Whether the text is strikethroughed",
 679                 FALSE,
 680                 G_PARAM_READWRITE));
 681
 682     /**
 683      * HildonFontSelectionDialog:strikethrough-set:
 684      *
 685      * Is the font strikenthrough status set.
 686      */
 687     g_object_class_install_property (gobject_class, PROP_STRIKETHROUGH_SET,
 688             g_param_spec_boolean ("strikethrough-set",
 689                 "strikethrough inconsistent state",
 690                 "Whether the strikethrough"
 691                 " is inconsistent", FALSE,
 692                 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 693
 694     /**
 695      * HildonFontSelectionDialog:position:
 696      *
 697      * The font positioning versus baseline.
 698      */
 699     g_object_class_install_property (gobject_class, PROP_POSITION,
 700             g_param_spec_int ("position",
 701                 "Font position",
 702                 "Font position super or subscript",
 703                 -1, 1, 0,
 704                 G_PARAM_READWRITE));
 705
 706     /**
 707      * HildonFontSelectionDialog:position-set:
 708      *
 709      * Is the font positioning set.
 710      */
 711     g_object_class_install_property (gobject_class, PROP_POSITION_SET,
 712             g_param_spec_boolean ("position-set",
 713                 "position inconsistent state",
 714                 "Whether the position"
 715                 " is inconsistent", FALSE,
 716                 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 717
 718     /**
 719      * HildonFontSelectionDialog:font-scaling:
 720      *
 721      * The font scaling factor applied to the preview dialog.
 722      */
 723     g_object_class_install_property (gobject_class, PROP_FONT_SCALING,
 724             g_param_spec_double ("font-scaling",
 725                 "Font scaling",
 726                 "Font scaling for the preview dialog",
 727                 0, 10, 1,
 728                 G_PARAM_READWRITE));
 729
 730     /**
 731      * HildonFontSelectionDialog:preview-text:
 732      *
 733      * The text used for the preview dialog.
 734      */
 735     g_object_class_install_property (gobject_class, PROP_PREVIEW_TEXT,
 736             g_param_spec_string("preview-text",
 737                 "Preview Text",
 738                 "the text in preview dialog, which does"
 739                 "not include the reference text",
 740                 "",
 741                 G_PARAM_READWRITE));
 742
 743     g_type_class_add_private (klass,
 744             sizeof (struct _HildonFontSelectionDialogPrivate));
 745 }
 746
 747 static void
 748 hildon_font_selection_dialog_init               (HildonFontSelectionDialog *fontseldiag)
 749 {
 750     HildonFontSelectionDialogPrivate *priv = HILDON_FONT_SELECTION_DIALOG_GET_PRIVATE (fontseldiag);
 751     GtkWidget *preview_button;
 752
 753     g_assert (priv);
 754     priv->notebook = GTK_NOTEBOOK (gtk_notebook_new ());
 755
 756     hildon_font_selection_dialog_construct_notebook (fontseldiag);
 757
 758     gtk_box_pack_start (GTK_BOX (GTK_DIALOG (fontseldiag)->vbox),
 759             GTK_WIDGET (priv->notebook), TRUE, TRUE, 0);
 760
 761     /* Add dialog buttons */
 762     gtk_dialog_add_button (GTK_DIALOG (fontseldiag),
 763             _("ecdg_bd_font_dialog_ok"),
 764             GTK_RESPONSE_OK);
 765
 766     preview_button = gtk_button_new_with_label (_("ecdg_bd_font_dialog_preview"));
 767     gtk_box_pack_start (GTK_BOX(GTK_DIALOG (fontseldiag)->action_area),
 768             preview_button, FALSE, TRUE, 0);
 769
 770     g_signal_connect_swapped (preview_button, "clicked",
 771             G_CALLBACK
 772             (hildon_font_selection_dialog_show_preview),
 773             fontseldiag);
 774     gtk_widget_show(preview_button);
 775
 776     gtk_dialog_add_button (GTK_DIALOG (fontseldiag),
 777             _("ecdg_bd_font_dialog_cancel"),
 778             GTK_RESPONSE_CANCEL);
 779
 780     /*Set default preview text*/
 781     priv->preview_text = g_strdup (_("ecdg_fi_preview_font_preview_text"));
 782
 783     gtk_window_set_title (GTK_WINDOW (fontseldiag), _("ecdg_ti_font"));
 784     /*here is the line to make sure that notebook has the default focus*/
 785     gtk_container_set_focus_child (GTK_CONTAINER (GTK_DIALOG (fontseldiag)->vbox),
 786             GTK_WIDGET (priv->notebook));
 787 }
 788
 789 static void
 790 hildon_font_selection_dialog_construct_notebook (HildonFontSelectionDialog *fontsel)
 791 {
 792     gint i;
 793     GtkWidget *vbox_tab[3];
 794     GtkWidget *font_color_box;
 795     GtkWidget *caption_control;
 796     GtkSizeGroup *group;
 797
 798     HildonFontSelectionDialogPrivate *priv = HILDON_FONT_SELECTION_DIALOG_GET_PRIVATE (fontsel);
 799     g_assert (priv);
 800
 801     for (i = 0; i < 3; i++)
 802         vbox_tab[i] = gtk_vbox_new (TRUE, 0);
 803
 804     group = GTK_SIZE_GROUP (gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL));
 805
 806     /* Build the first page of the GtkNotebook: font style */
 807     priv->cbx_font_type = gtk_combo_box_new_text ();
 808     hildon_font_selection_dialog_show_available_fonts (fontsel);
 809     caption_control = hildon_caption_new (group,
 810             _("ecdg_fi_font_font"),
 811             priv->cbx_font_type,
 812             NULL,
 813             HILDON_CAPTION_OPTIONAL);
 814
 815     gtk_box_pack_start (GTK_BOX (vbox_tab[0]), caption_control, FALSE, FALSE, 0);
 816
 817     priv->cbx_font_size = gtk_combo_box_new_text ();
 818     hildon_font_selection_dialog_show_available_sizes (priv);
 819     caption_control = hildon_caption_new (group,
 820             _("ecdg_fi_font_size"),
 821             priv->cbx_font_size,
 822             NULL,
 823             HILDON_CAPTION_OPTIONAL);
 824
 825     gtk_box_pack_start (GTK_BOX (vbox_tab[0]), caption_control, FALSE, FALSE, 0);
 826
 827     font_color_box = gtk_hbox_new (FALSE, 0);
 828     priv->font_color_button = hildon_color_button_new ();
 829     priv->color_set = FALSE;
 830     priv->font_scaling = 1.0;
 831     priv->color_modified_signal_handler =
 832         g_signal_connect (G_OBJECT (priv->font_color_button), "notify::color",
 833                 G_CALLBACK (color_modified_cb), (gpointer) priv);
 834
 835     gtk_box_pack_start (GTK_BOX (font_color_box), priv->font_color_button, FALSE, FALSE, 0);
 836
 837     caption_control =
 838         hildon_caption_new (group, _("ecdg_fi_font_colour_selector"),
 839                 font_color_box,
 840                 NULL, HILDON_CAPTION_OPTIONAL);
 841
 842     gtk_box_pack_start (GTK_BOX (vbox_tab[0]), caption_control, FALSE, FALSE, 0);
 843
 844     /* Build the second page of the GtkNotebook: font formatting */
 845     priv->chk_bold = gtk_check_button_new ();
 846     caption_control = hildon_caption_new (group,
 847             _("ecdg_fi_font_bold"),
 848             priv->chk_bold,
 849             NULL,
 850             HILDON_CAPTION_OPTIONAL);
 851
 852     gtk_box_pack_start (GTK_BOX (vbox_tab[1]), caption_control, FALSE, FALSE, 0);
 853     g_signal_connect (G_OBJECT (priv->chk_bold), "clicked",
 854             G_CALLBACK(toggle_clicked), NULL);
 855
 856     priv->chk_italic = gtk_check_button_new ();
 857     caption_control = hildon_caption_new (group, _("ecdg_fi_font_italic"),
 858                 priv->chk_italic,
 859                 NULL, HILDON_CAPTION_OPTIONAL);
 860
 861     gtk_box_pack_start (GTK_BOX (vbox_tab[1]), caption_control, FALSE, FALSE, 0);
 862     g_signal_connect(G_OBJECT(priv->chk_italic), "clicked",
 863             G_CALLBACK(toggle_clicked), NULL);
 864
 865     priv->chk_underline = gtk_check_button_new();
 866     caption_control =
 867         hildon_caption_new (group, _("ecdg_fi_font_underline"),
 868                 priv->chk_underline, NULL,
 869                 HILDON_CAPTION_OPTIONAL);
 870
 871     gtk_box_pack_start (GTK_BOX (vbox_tab[1]), caption_control, FALSE, FALSE, 0);
 872     g_signal_connect (G_OBJECT(priv->chk_underline), "clicked",
 873             G_CALLBACK (toggle_clicked), NULL);
 874
 875     /* Build the third page of the GtkNotebook: other font properties */
 876     priv->chk_strikethrough = gtk_check_button_new ();
 877     caption_control = hildon_caption_new(group, _("ecdg_fi_font_strikethrough"),
 878                 priv->chk_strikethrough, NULL,
 879                 HILDON_CAPTION_OPTIONAL);
 880
 881     gtk_box_pack_start (GTK_BOX (vbox_tab[2]), caption_control, FALSE, FALSE, 0);
 882     g_signal_connect (G_OBJECT(priv->chk_strikethrough), "clicked",
 883             G_CALLBACK (toggle_clicked), NULL);
 884
 885     priv->cbx_positioning = gtk_combo_box_new_text ();
 886     hildon_font_selection_dialog_show_available_positionings (priv);
 887     caption_control =
 888         hildon_caption_new(group, _("ecdg_fi_font_special"),
 889                 priv->cbx_positioning, NULL,
 890                 HILDON_CAPTION_OPTIONAL);
 891
 892     gtk_box_pack_start (GTK_BOX (vbox_tab[2]), caption_control, FALSE, FALSE, 0);
 893
 894     /* Populate notebook */
 895     gtk_notebook_insert_page (priv->notebook, vbox_tab[0], NULL, 0);
 896     gtk_notebook_insert_page (priv->notebook, vbox_tab[1], NULL, 1);
 897     gtk_notebook_insert_page (priv->notebook, vbox_tab[2], NULL, 2);
 898
 899     gtk_notebook_set_tab_label_text (priv->notebook, vbox_tab[0],
 900             _("ecdg_ti_font_dialog_style"));
 901     gtk_notebook_set_tab_label_text (priv->notebook, vbox_tab[1],
 902             _("ecdg_ti_font_dialog_format"));
 903     gtk_notebook_set_tab_label_text (priv->notebook, vbox_tab[2],
 904             _("ecdg_ti_font_dialog_other"));
 905
 906     gtk_widget_show_all (GTK_WIDGET (priv->notebook));
 907 }
 908
 909 static void
 910 color_modified_cb                               (HildonColorButton *button,
 911                                                  GParamSpec *pspec,
 912                                                  gpointer fsd_priv)
 913 {
 914     HildonFontSelectionDialogPrivate *priv = (HildonFontSelectionDialogPrivate *) fsd_priv;
 915     g_assert (priv);
 916
 917     priv->color_set = TRUE;
 918 }
 919
 920 static void
 921 hildon_font_selection_dialog_finalize           (GObject *object)
 922 {
 923     HildonFontSelectionDialogPrivate *priv;
 924     HildonFontSelectionDialog *fontsel;
 925
 926     g_assert (HILDON_IS_FONT_SELECTION_DIALOG (object));
 927     fontsel = HILDON_FONT_SELECTION_DIALOG (object);
 928
 929     priv = HILDON_FONT_SELECTION_DIALOG_GET_PRIVATE (fontsel);
 930     g_assert (priv);
 931
 932     if (priv->preview_text != NULL) {
 933         g_free (priv->preview_text);
 934         priv->preview_text = NULL;
 935     }
 936
 937     if (priv->families != NULL) {
 938         g_free (priv->families);
 939         priv->families = NULL;
 940     }
 941
 942     if (G_OBJECT_CLASS (parent_class)->finalize)
 943         G_OBJECT_CLASS (parent_class)->finalize (object);
 944 }
 945
 946 static int
 947 cmp_families                                    (const void *a,
 948                                                  const void *b)
 949 {
 950     const char *a_name =
 951         pango_font_family_get_name (* (PangoFontFamily **) a);
 952
 953     const char *b_name =
 954         pango_font_family_get_name (* (PangoFontFamily **) b);
 955
 956     return g_utf8_collate (a_name, b_name);
 957 }
 958
 959 /* Exits the preview dialog with GTK_RESPONSE_CANCEL if Esc key
 960  * was pressed
 961  * FIXME This should be handled automatically */
 962 static gboolean
 963 hildon_font_selection_dialog_preview_key_press  (GtkWidget *widget,
 964                                                  GdkEventKey *event,
 965                                                  gpointer unused)
 966 {
 967     g_assert (widget);
 968     g_assert (event);
 969
 970     if (event->keyval == GDK_Escape)
 971     {
 972         gtk_dialog_response (GTK_DIALOG (widget), GTK_RESPONSE_CANCEL);
 973         return TRUE;
 974     }
 975
 976     return FALSE;
 977 }
 978
 979 static void
 980 add_preview_text_attr                           (PangoAttrList *list,
 981                                                  PangoAttribute *attr,
 982                                                  guint start,
 983                                                  guint len)
 984 {
 985     attr->start_index = start;
 986     attr->end_index = start + len;
 987     pango_attr_list_insert (list, attr);
 988 }
 989
 990 static PangoAttrList*
 991 hildon_font_selection_dialog_create_attrlist    (HildonFontSelectionDialog *fontsel,
 992                                                  guint start_index,
 993                                                  guint len)
 994 {
 995     PangoAttrList *list;
 996     PangoAttribute *attr;
 997     gint size, position;
 998     gboolean family_set, size_set, color_set, bold, bold_set,
 999              italic, italic_set, underline, underline_set,
1000              strikethrough, strikethrough_set, position_set;
1001     GdkColor *color = NULL;
1002     gchar *family = NULL;
1003     gdouble font_scaling = 1.0;
1004
1005     list = pango_attr_list_new ();
1006
1007     g_object_get (G_OBJECT (fontsel),
1008             "family", &family, "family-set", &family_set,
1009             "size", &size, "size-set", &size_set,
1010             "color", &color, "color-set", &color_set,
1011             "bold", &bold, "bold-set", &bold_set,
1012             "italic", &italic, "italic-set", &italic_set,
1013             "underline", &underline, "underline-set", &underline_set,
1014             "strikethrough", &strikethrough, "strikethrough-set",
1015             &strikethrough_set, "position", &position,
1016             "position-set", &position_set,
1017             "font-scaling", &font_scaling,
1018             NULL);
1019
1020     /* family */
1021     if (family_set)
1022     {
1023         attr = pango_attr_family_new (family);
1024         add_preview_text_attr (list, attr, start_index, len);
1025     }
1026     g_free (family);
1027
1028     /* size */
1029     if (size_set)
1030     {
1031         attr = pango_attr_size_new (size * PANGO_SCALE);
1032         add_preview_text_attr (list, attr, start_index, len);
1033     }
1034
1035     /*color*/
1036     if (color_set)
1037     {
1038         attr = pango_attr_foreground_new (color->red, color->green, color->blue);
1039         add_preview_text_attr (list, attr, start_index, len);
1040     }
1041
1042     if (color != NULL)
1043         gdk_color_free (color);
1044
1045     /*weight*/
1046     if (bold_set)
1047     {
1048         if (bold)
1049             attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
1050         else
1051             attr = pango_attr_weight_new (PANGO_WEIGHT_NORMAL);
1052
1053         add_preview_text_attr(list, attr, start_index, len);
1054     }
1055
1056     /* style */
1057     if (italic_set)
1058     {
1059         if (italic)
1060             attr = pango_attr_style_new (PANGO_STYLE_ITALIC);
1061         else
1062             attr = pango_attr_style_new (PANGO_STYLE_NORMAL);
1063
1064         add_preview_text_attr(list, attr, start_index, len);
1065     }
1066
1067     /* underline */
1068     if (underline_set)
1069     {
1070         if (underline)
1071             attr = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
1072         else
1073             attr = pango_attr_underline_new (PANGO_UNDERLINE_NONE);
1074
1075         add_preview_text_attr(list, attr, start_index, len);
1076     }
1077
1078     /* strikethrough */
1079     if (strikethrough_set)
1080     {
1081         if (strikethrough)
1082             attr = pango_attr_strikethrough_new (TRUE);
1083         else
1084             attr = pango_attr_strikethrough_new (FALSE);
1085
1086         add_preview_text_attr(list, attr, start_index, len);
1087     }
1088
1089     /* position */
1090     if (position_set)
1091     {
1092         switch (position)
1093         {
1094             case 1: /*super*/
1095                 attr = pango_attr_rise_new (SUPERSCRIPT_RISE);
1096                 break;
1097             case -1: /*sub*/
1098                 attr = pango_attr_rise_new (SUBSCRIPT_LOW);
1099                 break;
1100             default: /*normal*/
1101                 attr = pango_attr_rise_new (0);
1102                 break;
1103         }
1104
1105         add_preview_text_attr (list, attr, start_index, len);
1106     }
1107
1108     /* font scaling for preview */
1109     if (font_scaling)
1110     {
1111         attr = pango_attr_scale_new(font_scaling);
1112         add_preview_text_attr(list, attr, 0, len + start_index);
1113     }
1114
1115     return list;
1116 }
1117
1118 static void
1119 hildon_font_selection_dialog_show_preview       (HildonFontSelectionDialog *fontsel)
1120 {
1121     HildonFontSelectionDialogPrivate *priv = HILDON_FONT_SELECTION_DIALOG_GET_PRIVATE (fontsel);
1122     gint size;
1123     gboolean family_set, size_set;
1124     PangoAttribute *attr;
1125     PangoAttrList *list;
1126     GtkWidget *preview_dialog;
1127     GtkWidget *preview_label;
1128     gchar *str = NULL;
1129     gboolean position_set = FALSE;
1130     gint position = 0;
1131     gboolean show_ref = FALSE;
1132
1133     g_assert (priv);
1134
1135     g_object_get (G_OBJECT (fontsel), "position-set", &position_set, NULL);
1136
1137     if (position_set) {
1138         g_object_get (G_OBJECT (fontsel), "position", &position, NULL);
1139         if (position == 1 || position == -1)
1140             show_ref = TRUE;
1141     }
1142
1143     /* preview dialog init */
1144     preview_dialog =
1145         gtk_dialog_new_with_buttons (_("ecdg_ti_preview_font"), NULL,
1146                 GTK_DIALOG_MODAL |
1147                 GTK_DIALOG_DESTROY_WITH_PARENT |
1148                 GTK_DIALOG_NO_SEPARATOR,
1149                 _("ecdg_bd_font_dialog_ok"),
1150                 GTK_RESPONSE_ACCEPT,
1151                 NULL);
1152
1153     str = (show_ref) ? g_strconcat (_("ecdg_fi_preview_font_preview_reference"), priv->preview_text, 0) :
1154         g_strdup (priv->preview_text);
1155
1156     preview_label = gtk_label_new (str);
1157     gtk_label_set_line_wrap (GTK_LABEL(preview_label), TRUE);
1158
1159     if (str)
1160         g_free (str);
1161
1162     str = NULL;
1163
1164     /* set keypress handler (ESC hardkey) */
1165     g_signal_connect (G_OBJECT (preview_dialog), "key-press-event",
1166             G_CALLBACK(hildon_font_selection_dialog_preview_key_press),
1167             NULL);
1168
1169     /* Set the font */
1170     list = (show_ref) ? hildon_font_selection_dialog_create_attrlist (fontsel,
1171             strlen (_("ecdg_fi_preview_font_preview_reference")),
1172             strlen (priv->preview_text)) :
1173         hildon_font_selection_dialog_create_attrlist (fontsel, 0, strlen(priv->preview_text));
1174
1175     g_object_get (G_OBJECT (fontsel), "family", &str, "family-set",
1176             &family_set, "size", &size, "size-set", &size_set,
1177             NULL);
1178
1179     /* A smallish hack to add scrollbar when font size is really big */
1180
1181     if (size_set && size > 24) {
1182         GtkScrolledWindow *scrolled = GTK_SCROLLED_WINDOW (gtk_scrolled_window_new (NULL, NULL));
1183         gtk_scrolled_window_set_policy (scrolled, GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
1184         gtk_scrolled_window_add_with_viewport (scrolled, GTK_WIDGET (preview_label));
1185         gtk_container_add (GTK_CONTAINER (GTK_DIALOG(preview_dialog)->vbox), GTK_WIDGET (scrolled));
1186         gtk_widget_set_size_request (GTK_WIDGET (scrolled), -1, 400);
1187     } else
1188         gtk_container_add (GTK_CONTAINER (GTK_DIALOG(preview_dialog)->vbox), GTK_WIDGET (preview_label));
1189
1190     /* make reference text to have the same fontface and size */
1191     if (family_set)
1192     {
1193         attr = pango_attr_family_new (str);
1194         add_preview_text_attr (list, attr, 0, strlen (_("ecdg_fi_preview_font_preview_reference")));
1195     }
1196     if (str != NULL)
1197         g_free (str);
1198
1199     str = NULL;
1200
1201     /* size */
1202     if (size_set)
1203     {
1204         attr = pango_attr_size_new (size * PANGO_SCALE);
1205         add_preview_text_attr (list, attr, 0, strlen (_("ecdg_fi_preview_font_preview_reference")));
1206     }
1207
1208     gtk_label_set_attributes (GTK_LABEL (preview_label), list);
1209     pango_attr_list_unref (list);
1210
1211     /*And show the dialog*/
1212     gtk_window_set_transient_for (GTK_WINDOW (preview_dialog),
1213             GTK_WINDOW (fontsel));
1214
1215     gtk_widget_show_all (preview_dialog);
1216     gtk_dialog_run (GTK_DIALOG (preview_dialog));
1217     gtk_widget_destroy (preview_dialog);
1218 }
1219
1220 static gboolean
1221 is_internal_font                                (const gchar * name)
1222 {
1223     /* FIXME Extremally BAD BAD BAD way of doing things */
1224
1225     return strcmp(name, "DeviceSymbols") == 0
1226         || strcmp(name, "Nokia Smiley" ) == 0
1227         || strcmp(name, "NewCourier" ) == 0
1228         || strcmp(name, "NewTimes" ) == 0
1229         || strcmp(name, "SwissA" ) == 0
1230         || strcmp(name, "Nokia Sans"   ) == 0
1231         || strcmp(name, "Nokia Sans Cn") == 0;
1232 }
1233
1234 static void
1235 filter_out_internal_fonts                       (PangoFontFamily **families,
1236                                                  int *n_families)
1237 {
1238     int i;
1239     int n; /* counts valid fonts */
1240     const gchar * name = NULL;
1241
1242     for(i = 0, n = 0; i < * n_families; i++){
1243
1244         name = pango_font_family_get_name (families[i]);
1245
1246         if(!is_internal_font(name))
1247         {
1248
1249             if (i!=n){ /* there are filtered out families */
1250                 families[n] = families[i]; /* shift the current family */
1251             }
1252
1253             n++; /* count one more valid */
1254         }
1255     } /* foreach font family */
1256
1257     *n_families = n;
1258 }
1259
1260 static void
1261 hildon_font_selection_dialog_show_available_fonts (HildonFontSelectionDialog *fontsel)
1262
1263 {
1264     gint i;
1265
1266     HildonFontSelectionDialogPrivate *priv = HILDON_FONT_SELECTION_DIALOG_GET_PRIVATE (fontsel);
1267     g_assert (priv);
1268
1269     pango_context_list_families (gtk_widget_get_pango_context
1270             (GTK_WIDGET (fontsel)), &priv->families,
1271             &priv->n_families);
1272
1273     filter_out_internal_fonts (priv->families, &priv->n_families);
1274
1275     qsort (priv->families, priv->n_families, sizeof(PangoFontFamily *), cmp_families);
1276
1277     for (i = 0; i < priv->n_families; i++)
1278     {
1279         const gchar *name = pango_font_family_get_name (priv->families[i]);
1280         gtk_combo_box_append_text (GTK_COMBO_BOX (priv->cbx_font_type), name);
1281     }
1282 }
1283
1284 static void
1285 hildon_font_selection_dialog_show_available_positionings (HildonFontSelectionDialogPrivate *priv)
1286 {
1287     gtk_combo_box_append_text (GTK_COMBO_BOX (priv->cbx_positioning), _("ecdg_va_font_printpos_1"));
1288     gtk_combo_box_append_text (GTK_COMBO_BOX (priv->cbx_positioning), _("ecdg_va_font_printpos_2"));
1289     gtk_combo_box_append_text (GTK_COMBO_BOX (priv->cbx_positioning), _("ecdg_va_font_printpos_3"));
1290 }
1291
1292 /* Loads the sizes from a pre-allocated table */
1293 static void
1294 hildon_font_selection_dialog_show_available_sizes (HildonFontSelectionDialogPrivate *priv)
1295 {
1296     gchar *size_str;
1297     gint i;
1298
1299     g_assert (priv);
1300
1301     for (i = 0; i < G_N_ELEMENTS (font_sizes); i++)
1302     {
1303         size_str = g_strdup_printf ("%i%s",
1304                 font_sizes[i],
1305                 _("ecdg_va_font_size_trailer"));
1306
1307         gtk_combo_box_append_text (GTK_COMBO_BOX (priv->cbx_font_size), size_str);
1308         g_free (size_str);
1309     }
1310 }
1311
1312 static void
1313 toggle_clicked                                  (GtkButton *button,
1314                                                  gpointer unused)
1315 {
1316     GtkToggleButton *t_b = GTK_TOGGLE_BUTTON (button);
1317
1318     /* we have to remove the inconsistent state ourselves */
1319     if (gtk_toggle_button_get_inconsistent (t_b))
1320     {
1321         gtk_toggle_button_set_inconsistent (t_b, FALSE);
1322         gtk_toggle_button_set_active (t_b, FALSE);
1323     }
1324 }
1325
1326 /**
1327  * hildon_font_selection_dialog_new:
1328  * @parent: the parent window
1329  * @title: the title of font selection dialog
1330  *
1331  * If NULL is passed for title, then default title
1332  * "Font" will be used.
1333  *
1334  * Returns: a new #HildonFontSelectionDialog
1335  */
1336 GtkWidget*
1337 hildon_font_selection_dialog_new                (GtkWindow *parent,
1338                                                  const gchar *title)
1339 {
1340     HildonFontSelectionDialog *fontseldiag;
1341
1342     fontseldiag = g_object_new (HILDON_TYPE_FONT_SELECTION_DIALOG,
1343             "has-separator", FALSE, NULL);
1344
1345     if (title)
1346         gtk_window_set_title (GTK_WINDOW (fontseldiag), title);
1347
1348     if (parent)
1349         gtk_window_set_transient_for (GTK_WINDOW (fontseldiag), parent);
1350
1351     return GTK_WIDGET (fontseldiag);
1352 }
1353
1354 /**
1355  * hildon_font_selection_dialog_get_preview_text:
1356  * @fsd: the font selection dialog
1357  *
1358  * Gets the text in preview dialog, which does not include the
1359  * reference text. The returned string must be freed by the user.
1360  *
1361  * Returns: a string pointer
1362  */
1363 gchar*
1364 hildon_font_selection_dialog_get_preview_text   (HildonFontSelectionDialog * fsd)
1365 {
1366     /* FIXME Return a const pointer? */
1367     HildonFontSelectionDialogPrivate *priv;
1368
1369     g_return_val_if_fail (HILDON_IS_FONT_SELECTION_DIALOG (fsd), FALSE);
1370
1371     priv = HILDON_FONT_SELECTION_DIALOG_GET_PRIVATE (fsd);
1372     g_assert (priv);
1373
1374     return g_strdup (priv->preview_text);
1375 }
1376
1377 /**
1378  * hildon_font_selection_dialog_set_preview_text:
1379  * @fsd: the font selection dialog
1380  * @text: the text to be displayed in the preview dialog
1381  *
1382  * The default preview text is
1383  * "The quick brown fox jumped over the lazy dogs"
1384  */
1385 void
1386 hildon_font_selection_dialog_set_preview_text   (HildonFontSelectionDialog *fsd,
1387                                                  const gchar * text)
1388 {
1389     HildonFontSelectionDialogPrivate *priv = NULL;
1390
1391     g_return_if_fail (HILDON_IS_FONT_SELECTION_DIALOG (fsd));
1392     g_return_if_fail (text);
1393
1394     priv = HILDON_FONT_SELECTION_DIALOG_GET_PRIVATE (fsd);
1395     g_assert (priv);
1396
1397     g_free (priv->preview_text);
1398     priv->preview_text = g_strdup (text);
1399     g_object_notify (G_OBJECT (fsd), "preview-text");
1400 }
1401