/**
* gtk_font_button_set_font_name:
* @font_button: a #GtkFontButton
* @fontname: Name of font to display in font selection dialog
*
* Sets or updates the currently-displayed font in font picker dialog.
*
* Returns: Return value of gtk_font_selection_dialog_set_font_name() if the
* font selection dialog exists, otherwise %FALSE.
*
* Since: 2.4
*/
gboolean
gtk_font_button_set_font_name (GtkFontButton *font_button,
const gchar *fontname)
{
gboolean result;
gchar *old_fontname;
g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), FALSE);
g_return_val_if_fail (fontname != NULL, FALSE);
if (g_ascii_strcasecmp (font_button->priv->fontname, fontname))
{
old_fontname = font_button->priv->fontname;
font_button->priv->fontname = g_strdup (fontname);
g_free (old_fontname);
}
gtk_font_button_update_font_info (font_button);
if (font_button->priv->font_dialog)
result = gtk_font_selection_dialog_set_font_name (GTK_FONT_SELECTION_DIALOG (font_button->priv->font_dialog),
font_button->priv->fontname);
else
result = FALSE;
g_object_notify (G_OBJECT (font_button), "font-name");
return result;
}
/**
* gtk_font_button_set_show_style:
* @font_button: a #GtkFontButton
* @show_style: %TRUE if font style should be displayed in label.
*
* If @show_style is %TRUE, the font style will be displayed along with name of the selected font.
*
* Since: 2.4
*/
void
gtk_font_button_set_show_style (GtkFontButton *font_button,
gboolean show_style)
{
g_return_if_fail (GTK_IS_FONT_BUTTON (font_button));
show_style = (show_style != FALSE);
if (font_button->priv->show_style != show_style)
{
font_button->priv->show_style = show_style;
gtk_font_button_update_font_info (font_button);
g_object_notify (G_OBJECT (font_button), "show-style");
}
}
static void
response_cb (GtkDialog *dialog,
gint response_id,
gpointer data)
{
GtkFontButton *font_button = GTK_FONT_BUTTON (data);
GtkFontButtonPrivate *priv = font_button->priv;
GtkFontChooser *font_chooser;
GObject *object;
gtk_widget_hide (font_button->priv->font_dialog);
if (response_id != GTK_RESPONSE_OK)
return;
font_chooser = GTK_FONT_CHOOSER (priv->font_dialog);
object = G_OBJECT (font_chooser);
g_object_freeze_notify (object);
clear_font_data (font_button);
priv->font_desc = gtk_font_chooser_get_font_desc (font_chooser);
if (priv->font_desc)
priv->fontname = pango_font_description_to_string (priv->font_desc);
priv->font_family = gtk_font_chooser_get_font_family (font_chooser);
if (priv->font_family)
g_object_ref (priv->font_family);
priv->font_face = gtk_font_chooser_get_font_face (font_chooser);
if (priv->font_face)
g_object_ref (priv->font_face);
priv->font_size = gtk_font_chooser_get_font_size (font_chooser);
/* Set label font */
gtk_font_button_update_font_info (font_button);
g_object_notify (G_OBJECT (font_button), "font");
g_object_notify (G_OBJECT (font_button), "font-desc");
g_object_notify (G_OBJECT (font_button), "font-name");
g_object_thaw_notify (object);
/* Emit font_set signal */
g_signal_emit (font_button, font_button_signals[FONT_SET], 0);
}
static void
dialog_ok_clicked (GtkWidget *widget,
gpointer data)
{
GtkFontButton *font_button = GTK_FONT_BUTTON (data);
gtk_widget_hide (font_button->priv->font_dialog);
g_free (font_button->priv->fontname);
font_button->priv->fontname = gtk_font_selection_dialog_get_font_name (GTK_FONT_SELECTION_DIALOG (font_button->priv->font_dialog));
/* Set label font */
gtk_font_button_update_font_info (font_button);
g_object_notify (G_OBJECT (font_button), "font-name");
/* Emit font_set signal */
g_signal_emit (font_button, font_button_signals[FONT_SET], 0);
}
static void
gtk_font_button_init (GtkFontButton *font_button)
{
font_button->priv = GTK_FONT_BUTTON_GET_PRIVATE (font_button);
/* Initialize fields */
font_button->priv->fontname = g_strdup (_("Sans 12"));
font_button->priv->use_font = FALSE;
font_button->priv->use_size = FALSE;
font_button->priv->show_style = TRUE;
font_button->priv->show_size = TRUE;
font_button->priv->font_dialog = NULL;
font_button->priv->title = g_strdup (_("Pick a Font"));
font_button->priv->inside = gtk_font_button_create_inside (font_button);
gtk_container_add (GTK_CONTAINER (font_button), font_button->priv->inside);
gtk_font_button_update_font_info (font_button);
}
static void
gtk_font_button_take_font_desc (GtkFontButton *font_button,
PangoFontDescription *font_desc)
{
GtkFontButtonPrivate *priv = font_button->priv;
GObject *object = G_OBJECT (font_button);
if (priv->font_desc && font_desc &&
pango_font_description_equal (priv->font_desc, font_desc))
{
pango_font_description_free (font_desc);
return;
}
g_object_freeze_notify (object);
clear_font_data (font_button);
if (font_desc)
priv->font_desc = font_desc; /* adopted */
else
priv->font_desc = pango_font_description_from_string (_("Sans 12"));
if (pango_font_description_get_size_is_absolute (priv->font_desc))
priv->font_size = pango_font_description_get_size (priv->font_desc);
else
priv->font_size = pango_font_description_get_size (priv->font_desc) / PANGO_SCALE;
gtk_font_button_update_font_data (font_button);
gtk_font_button_update_font_info (font_button);
if (priv->font_dialog)
gtk_font_chooser_set_font_desc (GTK_FONT_CHOOSER (priv->font_dialog),
priv->font_desc);
g_object_notify (G_OBJECT (font_button), "font");
g_object_notify (G_OBJECT (font_button), "font-desc");
g_object_notify (G_OBJECT (font_button), "font-name");
g_object_thaw_notify (object);
}
/**
* gtk_font_button_set_show_size:
* @font_button: a #GtkFontButton
* @show_size: %TRUE if font size should be displayed in dialog.
*
* If @show_size is %TRUE, the font size will be displayed along with the name of the selected font.
*
* Since: 2.4
*/
void
gtk_font_button_set_show_size (GtkFontButton *font_button,
gboolean show_size)
{
g_return_if_fail (GTK_IS_FONT_BUTTON (font_button));
show_size = (show_size != FALSE);
if (font_button->priv->show_size != show_size)
{
font_button->priv->show_size = show_size;
gtk_container_remove (GTK_CONTAINER (font_button), font_button->priv->inside);
font_button->priv->inside = gtk_font_button_create_inside (font_button);
gtk_container_add (GTK_CONTAINER (font_button), font_button->priv->inside);
gtk_font_button_update_font_info (font_button);
g_object_notify (G_OBJECT (font_button), "show-size");
}
}
/**
* gtk_font_button_set_show_size:
* @font_button: a #GtkFontButton
* @show_size: %TRUE if font size should be displayed in dialog.
*
* If @show_size is %TRUE, the font size will be displayed along with the name of the selected font.
*
* Since: 2.4
*/
void
gtk_font_button_set_show_size (GtkFontButton *font_button,
gboolean show_size)
{
g_return_if_fail (GTK_IS_FONT_BUTTON (font_button));
show_size = (show_size != FALSE);
if (font_button->priv->show_size != show_size)
{
font_button->priv->show_size = show_size;
if (font_button->priv->show_size)
gtk_widget_show (font_button->priv->font_size_box);
else
gtk_widget_hide (font_button->priv->font_size_box);
gtk_font_button_update_font_info (font_button);
g_object_notify (G_OBJECT (font_button), "show-size");
}
}
