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Add GtkFontChooser:font-desc property

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Add a way to set/get the font as a PangoFontDescription.
This commit is contained in:
Christian Persch 2011-09-12 00:13:26 +02:00
parent 1b818f2e46
commit abd9242f33
10 changed files with 362 additions and 116 deletions
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2
docs/reference/gtk/gtk3-sections.txt
View File

@ -1485,6 +1485,8 @@ gtk_font_chooser_get_face
gtk_font_chooser_get_size
gtk_font_chooser_get_font
gtk_font_chooser_set_font
gtk_font_chooser_get_font_desc
gtk_font_chooser_set_font_desc
gtk_font_chooser_get_preview_text
gtk_font_chooser_set_preview_text
gtk_font_chooser_get_show_preview_entry

2
gtk/gtk.symbols
View File

@ -1052,12 +1052,14 @@ gtk_font_chooser_dialog_new
gtk_font_chooser_get_face
gtk_font_chooser_get_family
gtk_font_chooser_get_font
gtk_font_chooser_get_font_desc
gtk_font_chooser_get_preview_text
gtk_font_chooser_get_show_preview_entry
gtk_font_chooser_get_size
gtk_font_chooser_get_type
gtk_font_chooser_set_filter_func
gtk_font_chooser_set_font
gtk_font_chooser_set_font_desc
gtk_font_chooser_set_preview_text
gtk_font_chooser_set_show_preview_entry
gtk_font_chooser_widget_get_type

133
gtk/gtkfontbutton.c
View File

@ -61,7 +61,7 @@
struct _GtkFontButtonPrivate
{
gchar *title;
gchar *fontname;
guint use_font : 1;
@ -75,13 +75,14 @@ struct _GtkFontButtonPrivate
GtkWidget *font_label;
GtkWidget *size_label;
PangoFontFamily *font_family;
PangoFontFace *font_face;
gint font_size;
gchar *preview_text;
GtkFontFilterFunc font_filter;
gpointer font_filter_data;
GDestroyNotify font_filter_data_destroy;
PangoFontDescription *font_desc;
PangoFontFamily *font_family;
PangoFontFace *font_face;
gint font_size;
gchar *preview_text;
GtkFontFilterFunc font_filter;
gpointer font_filter_data;
GDestroyNotify font_filter_data_destroy;
};
/* Signals */
@ -244,6 +245,51 @@ gtk_font_button_font_chooser_set_filter_func (GtkFontChooser *chooser,
priv->font_filter_data_destroy = data_destroy;
}
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);
if (priv->font_desc)
pango_font_description_free (priv->font_desc);
if (font_desc)
priv->font_desc = font_desc; /* adopted */
else
priv->font_desc = pango_font_description_from_string (_("Sans 12"));
g_free (priv->fontname);
priv->fontname = pango_font_description_to_string (priv->font_desc);
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);
}
static const PangoFontDescription *
gtk_font_button_get_font_desc (GtkFontButton *font_button)
{
return font_button->priv->font_desc;
}
static void
gtk_font_button_font_chooser_notify (GObject *object,
GParamSpec *pspec,
@ -417,7 +463,6 @@ gtk_font_button_init (GtkFontButton *font_button)
GtkFontButtonPrivate);
/* 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;
@ -432,10 +477,9 @@ gtk_font_button_init (GtkFontButton *font_button)
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);
gtk_font_button_take_font_desc (font_button, NULL);
}
static void
gtk_font_button_finalize (GObject *object)
{
@ -447,7 +491,7 @@ gtk_font_button_finalize (GObject *object)
g_free (font_button->priv->fontname);
font_button->priv->fontname = NULL;
g_free (font_button->priv->title);
font_button->priv->title = NULL;
@ -464,6 +508,10 @@ gtk_font_button_finalize (GObject *object)
g_object_unref (font_button->priv->font_face);
font_button->priv->font_face = NULL;
if (font_button->priv->font_desc)
pango_font_description_free (font_button->priv->font_desc);
font_button->priv->font_desc = NULL;
G_OBJECT_CLASS (gtk_font_button_parent_class)->finalize (object);
}
@ -486,6 +534,9 @@ gtk_font_button_set_property (GObject *object,
case PROP_TITLE:
gtk_font_button_set_title (font_button, g_value_get_string (value));
break;
case GTK_FONT_CHOOSER_PROP_FONT_DESC:
gtk_font_button_take_font_desc (font_button, g_value_dup_boxed (value));
break;
case GTK_FONT_CHOOSER_PROP_FONT:
case PROP_FONT_NAME:
gtk_font_button_set_font_name (font_button, g_value_get_string (value));
@ -527,6 +578,9 @@ gtk_font_button_get_property (GObject *object,
case PROP_TITLE:
g_value_set_string (value, gtk_font_button_get_title (font_button));
break;
case GTK_FONT_CHOOSER_PROP_FONT_DESC:
g_value_set_boxed (value, gtk_font_button_get_font_desc (font_button));
break;
case GTK_FONT_CHOOSER_PROP_FONT:
case PROP_FONT_NAME:
g_value_set_string (value, gtk_font_button_get_font_name (font_button));
@ -834,7 +888,7 @@ const gchar *
gtk_font_button_get_font_name (GtkFontButton *font_button)
{
g_return_val_if_fail (GTK_IS_FONT_BUTTON (font_button), NULL);
return font_button->priv->fontname;
}
@ -845,8 +899,7 @@ gtk_font_button_get_font_name (GtkFontButton *font_button)
*
* Sets or updates the currently-displayed font in font picker dialog.
*
* Returns: Return value of gtk_font_chooser_dialog_set_font_name() if the
* font chooser dialog exists, otherwise %FALSE.
* Returns: %TRUE
*
* Since: 2.4
*/
@ -854,26 +907,13 @@ gboolean
gtk_font_button_set_font_name (GtkFontButton *font_button,
const gchar *fontname)
{
gchar *old_fontname;
PangoFontDescription *font_desc;
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)
gtk_font_chooser_set_font (GTK_FONT_CHOOSER (font_button->priv->font_dialog),
font_button->priv->fontname);
g_object_notify (G_OBJECT (font_button), "font");
g_object_notify (G_OBJECT (font_button), "font-name");
font_desc = pango_font_description_from_string (fontname);
gtk_font_button_take_font_desc (font_button, font_desc);
return TRUE;
}
@ -936,7 +976,7 @@ gtk_font_button_clicked (GtkButton *button)
if (!gtk_widget_get_visible (font_button->priv->font_dialog))
{
font_dialog = GTK_FONT_CHOOSER (font_button->priv->font_dialog);
gtk_font_chooser_set_font (font_dialog, font_button->priv->fontname);
gtk_font_chooser_set_font_desc (font_dialog, font_button->priv->font_desc);
}
gtk_window_present (GTK_WINDOW (font_button->priv->font_dialog));
@ -951,6 +991,7 @@ response_cb (GtkDialog *dialog,
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);
@ -958,9 +999,16 @@ response_cb (GtkDialog *dialog,
return;
font_chooser = GTK_FONT_CHOOSER (priv->font_dialog);
object = G_OBJECT (font_chooser);
g_object_freeze_notify (object);
if (priv->font_desc)
pango_font_description_free (priv->font_desc);
priv->font_desc = gtk_font_chooser_get_font_desc (font_chooser);
g_free (priv->fontname);
priv->fontname = gtk_font_chooser_get_font (font_chooser);
priv->fontname = pango_font_description_to_string (priv->font_desc);
if (priv->font_family)
g_object_unref (priv->font_family);
@ -980,8 +1028,11 @@ response_cb (GtkDialog *dialog,
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);
}
@ -1032,8 +1083,8 @@ gtk_font_button_label_use_font (GtkFontButton *font_button)
if (!font_button->priv->use_font)
return;
desc = pango_font_description_from_string (font_button->priv->fontname);
desc = pango_font_description_copy (font_button->priv->font_desc);
if (!font_button->priv->use_size)
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
@ -1055,12 +1106,14 @@ font_description_style_equal (const PangoFontDescription *a,
static void
gtk_font_button_update_font_info (GtkFontButton *font_button)
{
PangoFontDescription *desc;
const PangoFontDescription *desc;
const gchar *family;
gchar *style;
gchar *family_style;
desc = pango_font_description_from_string (font_button->priv->fontname);
desc = font_button->priv->font_desc;
g_assert (desc != NULL);
family = pango_font_description_get_family (desc);
#if 0
@ -1134,6 +1187,4 @@ gtk_font_button_update_font_info (GtkFontButton *font_button)
}
gtk_font_button_label_use_font (font_button);
pango_font_description_free (desc);
}

83
gtk/gtkfontchooser.c
View File

@ -56,14 +56,37 @@ G_DEFINE_INTERFACE (GtkFontChooser, gtk_font_chooser, G_TYPE_OBJECT);
static void
gtk_font_chooser_default_init (GtkFontChooserInterface *iface)
{
/**
* GtkFontChooser:font:
*
* The font description as a string, e.g. "Sans Italic 12".
*/
g_object_interface_install_property
(iface,
g_param_spec_string ("font",
P_("Font"),
P_("The string that represents this font"),
GTK_FONT_CHOOSER_DEFAULT_FONT_NAME,
P_("Font description as a string, e.g. \"Sans Italic 12\""),
GTK_FONT_CHOOSER_DEFAULT_FONT_NAME,
GTK_PARAM_READWRITE));
/**
* GtkFontChooser:font-desc:
*
* The font description as a #PangoFontDescription.
*/
g_object_interface_install_property
(iface,
g_param_spec_boxed ("font-desc",
P_("Font"),
P_("Font description as a PangoFontDescription struct"),
PANGO_TYPE_FONT_DESCRIPTION,
GTK_PARAM_READWRITE));
/**
* GtkFontChooser:preview-text:
*
* The string with which to preview the font.
*/
g_object_interface_install_property
(iface,
g_param_spec_string ("preview-text",
@ -72,6 +95,11 @@ gtk_font_chooser_default_init (GtkFontChooserInterface *iface)
pango_language_get_sample_string (NULL),
GTK_PARAM_READWRITE));
/**
* GtkFontChooser:show-preview-entry:
*
* Whether to show an entry to change the preview text.
*/
g_object_interface_install_property
(iface,
g_param_spec_boolean ("show-preview-entry",
@ -215,6 +243,57 @@ gtk_font_chooser_set_font (GtkFontChooser *fontchooser,
g_object_set (fontchooser, "font", fontname, NULL);
}
/**
* gtk_font_chooser_get_font_desc:
* @fontchooser: a #GtkFontChooser
*
* Gets the currently-selected font.
*
* Note that this can be a different string than what you set with
* gtk_font_chooser_set_font(), as the font chooser widget may
* normalize font names and thus return a string with a different
* structure. For example, "Helvetica Italic Bold 12" could be
* normalized to "Helvetica Bold Italic 12".
*
* Use pango_font_description_equal() if you want to compare two
* font descriptions.
*
* Return value: (transfer full) (allow-none): A #PangoFontDescription for the
* current font, or %NULL if no font is selected.
*
* Since: 3.2
*/
PangoFontDescription *
gtk_font_chooser_get_font_desc (GtkFontChooser *fontchooser)
{
PangoFontDescription *font_desc;
g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
g_object_get (fontchooser, "font-desc", &font_desc, NULL);
return font_desc;
}
/**
* gtk_font_chooser_set_font_desc:
* @fontchooser: a #GtkFontChooser
* @font_desc: a #PangoFontDescription
*
* Sets the currently-selected font from @font_desc.
*
* Since: 3.2
*/
void
gtk_font_chooser_set_font_desc (GtkFontChooser *fontchooser,
const PangoFontDescription *font_desc)
{
g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
g_return_if_fail (font_desc != NULL);
g_object_set (fontchooser, "font-desc", font_desc, NULL);
}
/**
* gtk_font_chooser_get_preview_text:
* @fontchooser: a #GtkFontChooser

6
gtk/gtkfontchooser.h
View File

@ -81,6 +81,12 @@ GType gtk_font_chooser_get_type (void) G_GNUC_CONST;
PangoFontFamily *gtk_font_chooser_get_family (GtkFontChooser *fontchooser);
PangoFontFace *gtk_font_chooser_get_face (GtkFontChooser *fontchooser);
gint gtk_font_chooser_get_size (GtkFontChooser *fontchooser);
PangoFontDescription *
gtk_font_chooser_get_font_desc (GtkFontChooser *fontchooser);
void gtk_font_chooser_set_font_desc (GtkFontChooser *fontchooser,
const PangoFontDescription *font_desc);
gchar* gtk_font_chooser_get_font (GtkFontChooser *fontchooser);
void gtk_font_chooser_set_font (GtkFontChooser *fontchooser,

3
gtk/gtkfontchooserutils.c
View File

@ -114,6 +114,9 @@ _gtk_font_chooser_install_properties (GObjectClass *klass)
g_object_class_override_property (klass,
GTK_FONT_CHOOSER_PROP_FONT,
"font");
g_object_class_override_property (klass,
GTK_FONT_CHOOSER_PROP_FONT_DESC,
"font-desc");
g_object_class_override_property (klass,
GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT,
"preview-text");

1
gtk/gtkfontchooserutils.h
View File

@ -36,6 +36,7 @@ G_BEGIN_DECLS
typedef enum {
GTK_FONT_CHOOSER_PROP_FIRST = 0x4000,
GTK_FONT_CHOOSER_PROP_FONT,
GTK_FONT_CHOOSER_PROP_FONT_DESC,
GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT,
GTK_FONT_CHOOSER_PROP_SHOW_PREVIEW_ENTRY,
GTK_FONT_CHOOSER_PROP_LAST

169
gtk/gtkfontchooserwidget.c
View File

@ -54,17 +54,18 @@
* SECTION:gtkfontchooser
* @Short_description: A widget for selecting fonts
* @Title: GtkFontChooserWidget
* @See_also: #GtkFontChooserWidgetDialog
* @See_also: #GtkFontChooserDialog
*
* The #GtkFontChooserWidget widget lists the available fonts,
* styles and sizes, allowing the user to select a font. It is
* used in the #GtkFontChooserWidgetDialog widget to provide a
* used in the #GtkFontChooserDialog widget to provide a
* dialog box for selecting fonts.
*
* To set the font which is initially selected, use
* gtk_font_chooser_set_font().
* gtk_font_chooser_set_font() or gtk_font_chooser_set_font_desc().
*
* To get the selected font use gtk_font_chooser_get_font().
* To get the selected font use gtk_font_chooser_get_font() or
* gtk_font_chooser_get_font_desc().
*
* To change the text which is shown in the preview area, use
* gtk_font_chooser_set_preview_text().
@ -90,7 +91,7 @@ struct _GtkFontChooserWidgetPrivate
GtkWidget *size_spin;
GtkWidget *size_slider;
gchar *fontname;
PangoFontDescription *font_desc;
gint size;
PangoFontFace *face;
PangoFontFamily *family;
@ -146,12 +147,17 @@ static void gtk_font_chooser_widget_style_updated (GtkWidget *widge
static void gtk_font_chooser_widget_bootstrap_fontlist (GtkFontChooserWidget *fontchooser);
static void gtk_font_chooser_widget_select_font_name (GtkFontChooserWidget *fontchooser);
static void gtk_font_chooser_widget_select_font (GtkFontChooserWidget *fontchooser);
static gchar *gtk_font_chooser_widget_get_font (GtkFontChooser *chooser);
static void gtk_font_chooser_widget_set_font (GtkFontChooser *chooser,
const gchar *fontname);
static PangoFontDescription *gtk_font_chooser_widget_get_font_desc (GtkFontChooser *chooser);
static void gtk_font_chooser_widget_take_font_desc (GtkFontChooser *chooser,
PangoFontDescription *font_desc);
static const gchar *gtk_font_chooser_widget_get_preview_text (GtkFontChooserWidget *fontchooser);
static void gtk_font_chooser_widget_set_preview_text (GtkFontChooserWidget *fontchooser,
const gchar *text);
@ -198,6 +204,9 @@ gtk_font_chooser_widget_set_property (GObject *object,
case GTK_FONT_CHOOSER_PROP_FONT:
gtk_font_chooser_widget_set_font (GTK_FONT_CHOOSER (fontchooser), g_value_get_string (value));
break;
case GTK_FONT_CHOOSER_PROP_FONT_DESC:
gtk_font_chooser_widget_take_font_desc (GTK_FONT_CHOOSER (fontchooser), g_value_dup_boxed (value));
break;
case GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT:
gtk_font_chooser_widget_set_preview_text (fontchooser, g_value_get_string (value));
break;
@ -223,6 +232,9 @@ gtk_font_chooser_widget_get_property (GObject *object,
case GTK_FONT_CHOOSER_PROP_FONT:
g_value_take_string (value, gtk_font_chooser_widget_get_font (GTK_FONT_CHOOSER (fontchooser)));
break;
case GTK_FONT_CHOOSER_PROP_FONT_DESC:
g_value_set_boxed (value, gtk_font_chooser_widget_get_font_desc (GTK_FONT_CHOOSER (fontchooser)));
break;
case GTK_FONT_CHOOSER_PROP_PREVIEW_TEXT:
g_value_set_string (value, gtk_font_chooser_widget_get_preview_text (fontchooser));
break;
@ -317,7 +329,8 @@ spin_change_cb (GtkAdjustment *adjustment,
gtk_widget_override_font (priv->preview, desc);
g_object_notify (G_OBJECT (fontchooser), "font");
g_object_notify (G_OBJECT (fontchooser), "font-desc");
/* If the new value is lower than the lower bound of the slider, we set
* the slider adjustment to the lower bound value if it is not already set
*/
@ -416,7 +429,6 @@ cursor_changed_cb (GtkTreeView *treeview,
return;
}
gtk_tree_model_get (GTK_TREE_MODEL (priv->filter_model), &iter,
FACE_COLUMN, &face,
FAMILY_COLUMN, &family,
@ -456,9 +468,12 @@ cursor_changed_cb (GtkTreeView *treeview,
g_object_unref (priv->face);
priv->face = face;
pango_font_description_free (desc);
if (priv->font_desc)
pango_font_description_free (priv->font_desc);
priv->font_desc = desc;
g_object_notify (G_OBJECT (fontchooser), "font");
g_object_notify (G_OBJECT (fontchooser), "font-desc");
}
static gboolean
@ -511,7 +526,7 @@ gtk_font_chooser_widget_init (GtkFontChooserWidget *fontchooser)
{
GIcon *icon;
GtkFontChooserWidgetPrivate *priv;
PangoFontDescription *font_desc;
const PangoFontDescription *font_desc;
GtkWidget *scrolled_win;
GtkWidget *grid;
@ -530,6 +545,7 @@ gtk_font_chooser_widget_init (GtkFontChooserWidget *fontchooser)
priv->size = pango_font_description_get_size (font_desc);
priv->face = NULL;
priv->family = NULL;
priv->font_desc = NULL;
gtk_widget_push_composite_child ();
@ -655,6 +671,8 @@ gtk_font_chooser_widget_init (GtkFontChooserWidget *fontchooser)
/* Set default focus */
gtk_widget_pop_composite_child ();
gtk_font_chooser_widget_take_font_desc (GTK_FONT_CHOOSER (fontchooser), NULL);
}
/**
@ -885,7 +903,7 @@ gtk_font_chooser_widget_bootstrap_fontlist (GtkFontChooserWidget *fontchooser)
gtk_tree_view_set_headers_visible (treeview, FALSE);
cell = gtk_cell_renderer_text_new ();
col = gtk_tree_view_column_new_with_attributes ("Family",
col = gtk_tree_view_column_new_with_attributes (_("Font Family"),
cell,
"markup", PREVIEW_TEXT_COLUMN,
NULL);
@ -919,8 +937,8 @@ gtk_font_chooser_widget_finalize (GObject *object)
GtkFontChooserWidget *fontchooser = GTK_FONT_CHOOSER_WIDGET (object);
GtkFontChooserWidgetPrivate *priv = fontchooser->priv;
if (priv->fontname)
g_free (priv->fontname);
if (priv->font_desc)
pango_font_description_free (priv->font_desc);
if (priv->family)
g_object_unref (priv->family);
@ -936,16 +954,21 @@ gtk_font_chooser_widget_finalize (GObject *object)
static void
gtk_font_chooser_widget_screen_changed (GtkWidget *widget,
GdkScreen *previous_screen)
GdkScreen *previous_screen)
{
GtkFontChooserWidget *fontchooser = GTK_FONT_CHOOSER_WIDGET (widget);
GtkFontChooserWidgetPrivate *priv = fontchooser->priv;
void (* screen_changed) (GtkWidget *, GdkScreen *) =
GTK_WIDGET_CLASS (gtk_font_chooser_widget_parent_class)->screen_changed;
if (screen_changed)
screen_changed (widget, previous_screen);
populate_list (fontchooser,
GTK_TREE_VIEW (priv->family_face_list),
priv->model);
gtk_font_chooser_widget_select_font_name (fontchooser);
gtk_font_chooser_widget_select_font (fontchooser);
}
static void
@ -988,69 +1011,77 @@ static gchar *
gtk_font_chooser_widget_get_font (GtkFontChooser *chooser)
{
GtkFontChooserWidget *fontchooser = GTK_FONT_CHOOSER_WIDGET (chooser);
gchar *font_name;
gchar *font_desc_name;
PangoFontDescription *desc;
if (!fontchooser->priv->face)
return g_strdup (GTK_FONT_CHOOSER_DEFAULT_FONT_NAME);
return pango_font_description_to_string (fontchooser->priv->font_desc);
}
desc = pango_font_face_describe (fontchooser->priv->face);
font_desc_name = pango_font_description_to_string (desc);
pango_font_description_free (desc);
static PangoFontDescription *
gtk_font_chooser_widget_get_font_desc (GtkFontChooser *chooser)
{
GtkFontChooserWidget *fontchooser = GTK_FONT_CHOOSER_WIDGET (chooser);
font_name = g_strdup_printf ("%s %d", font_desc_name, fontchooser->priv->size / PANGO_SCALE);
g_free (font_desc_name);
return font_name;
return fontchooser->priv->font_desc;
}
static void
gtk_font_chooser_widget_set_font (GtkFontChooser *chooser,
const gchar *fontname)
{
GtkFontChooserWidget *fontchooser = GTK_FONT_CHOOSER_WIDGET (chooser);
GtkFontChooserWidgetPrivate *priv = fontchooser->priv;
PangoFontDescription *font_desc;
if (priv->fontname)
g_free (priv->fontname);
priv->fontname = g_strdup (fontname);
if (gtk_widget_has_screen (GTK_WIDGET (fontchooser)))
gtk_font_chooser_widget_select_font_name (fontchooser);
g_object_notify (G_OBJECT (fontchooser), "font");
font_desc = pango_font_description_from_string (fontname);
gtk_font_chooser_widget_take_font_desc (chooser, font_desc);
}
static void
gtk_font_chooser_widget_select_font_name (GtkFontChooserWidget *fontchooser)
gtk_font_chooser_widget_take_font_desc (GtkFontChooser *chooser,
PangoFontDescription *font_desc)
{
GtkFontChooserWidget *fontchooser = GTK_FONT_CHOOSER_WIDGET (chooser);
GtkFontChooserWidgetPrivate *priv = fontchooser->priv;
GtkTreeIter iter;
gboolean valid;
gchar *family_name;
PangoFontDescription *desc;
gboolean found = FALSE;
if (priv->fontname)
desc = pango_font_description_from_string (priv->fontname);
else
desc = pango_font_description_from_string (GTK_FONT_CHOOSER_DEFAULT_FONT_NAME);
family_name = (gchar*)pango_font_description_get_family (desc);
g_free (priv->fontname);
priv->fontname = NULL;
if (!family_name)
if (font_desc && priv->font_desc &&
pango_font_description_equal (font_desc, priv->font_desc))
{
pango_font_description_free (desc);
pango_font_description_free (font_desc);
return;
}
if (priv->font_desc)
pango_font_description_free (priv->font_desc);
if (font_desc)
priv->font_desc = font_desc; /* adopted */
else
priv->font_desc = pango_font_description_from_string (GTK_FONT_CHOOSER_DEFAULT_FONT_NAME);
gtk_font_chooser_widget_select_font (fontchooser);
}
static void
gtk_font_chooser_widget_select_font (GtkFontChooserWidget *fontchooser)
{
GtkFontChooserWidgetPrivate *priv = fontchooser->priv;
const PangoFontDescription *desc;
const gchar *family_name;
gint font_size;
gboolean font_size_is_absolute;
GtkTreeIter iter;
gboolean valid;
gboolean found = FALSE;
desc = priv->font_desc;
g_assert (desc != NULL);
font_size = pango_font_description_get_size (desc);
font_size_is_absolute = pango_font_description_get_size_is_absolute (desc);
family_name = pango_font_description_get_family (desc);
/* We make sure the filter is clear */
gtk_entry_set_text (GTK_ENTRY (priv->search_entry), "");
if (!family_name)
goto deselect;
/* We find the matching family/face */
for (valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->filter_model), &iter);
valid;
@ -1064,24 +1095,21 @@ gtk_font_chooser_widget_select_font_name (GtkFontChooserWidget *fontchooser)
-1);
tmp_desc = pango_font_face_describe (face);
if (pango_font_description_get_size_is_absolute (desc))
pango_font_description_set_absolute_size (tmp_desc,
pango_font_description_get_size (desc));
if (font_size_is_absolute)
pango_font_description_set_absolute_size (tmp_desc, font_size);
else
pango_font_description_set_size (tmp_desc,
pango_font_description_get_size (desc));
pango_font_description_set_size (tmp_desc, font_size);
if (pango_font_description_equal (desc, tmp_desc))
{
GtkTreePath *path;
gint size = pango_font_description_get_size (desc);
if (size)
if (font_size)
{
if (pango_font_description_get_size_is_absolute (desc))
size = size * PANGO_SCALE;
if (font_size_is_absolute)
font_size *= PANGO_SCALE;
gtk_spin_button_set_value (GTK_SPIN_BUTTON (priv->size_spin),
size / PANGO_SCALE);
font_size / PANGO_SCALE);
}
path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->filter_model), &iter);
@ -1111,21 +1139,24 @@ gtk_font_chooser_widget_select_font_name (GtkFontChooserWidget *fontchooser)
break;
}
pango_font_description_free (desc);
deselect:
if (!found)
{
gtk_tree_selection_unselect_all
(gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->family_face_list)));
}
}
static const gchar*
gtk_font_chooser_widget_get_preview_text (GtkFontChooserWidget *fontchooser)
{
return (const gchar*)fontchooser->priv->preview_text;
return fontchooser->priv->preview_text;
}
static void
gtk_font_chooser_widget_set_preview_text (GtkFontChooserWidget *fontchooser,
const gchar *text)
{
g_return_if_fail (text != NULL);
g_free (fontchooser->priv->preview_text);
fontchooser->priv->preview_text = g_strdup (text);

35
tests/testfontchooser.c
View File

@ -21,9 +21,28 @@
#include "prop-editor.h"
static void
notify_font_name_cb (GObject *fontchooser, GParamSpec *pspec, gpointer data)
notify_font_cb (GtkFontChooser *fontchooser, GParamSpec *pspec, gpointer data)
{
g_debug ("Changed font name %s", gtk_font_chooser_get_font (GTK_FONT_CHOOSER (fontchooser)));
PangoFontFamily *family;
PangoFontFace *face;
g_debug ("Changed font name %s", gtk_font_chooser_get_font (fontchooser));
family = gtk_font_chooser_get_family (fontchooser);
face = gtk_font_chooser_get_face (fontchooser);
if (family)
{
g_debug (" Family: %s is-monospace:%s",
pango_font_family_get_name (family),
pango_font_family_is_monospace (family) ? "true" : "false");
}
else
g_debug (" No font family!");
if (face)
g_debug (" Face description: %s", pango_font_face_get_face_name (face));
else
g_debug (" No font face!");
}
static void
@ -32,6 +51,12 @@ notify_preview_text_cb (GObject *fontchooser, GParamSpec *pspec, gpointer data)
g_debug ("Changed preview text %s", gtk_font_chooser_get_preview_text (GTK_FONT_CHOOSER (fontchooser)));
}
static void
font_activated_cb (GtkFontChooser *chooser, const gchar *font_name, gpointer data)
{
g_debug ("font-activated: %s", font_name);
}
int
main (int argc, char *argv[])
{
@ -53,10 +78,12 @@ main (int argc, char *argv[])
g_signal_connect (window, "delete-event",
G_CALLBACK (gtk_main_quit), NULL);
g_signal_connect (fontchooser, "notify::font-name",
G_CALLBACK (notify_font_name_cb), NULL);
g_signal_connect (fontchooser, "notify::font",
G_CALLBACK (notify_font_cb), NULL);
g_signal_connect (fontchooser, "notify::preview-text",
G_CALLBACK (notify_preview_text_cb), NULL);
g_signal_connect (fontchooser, "font-activated",
G_CALLBACK (font_activated_cb), NULL);
gtk_font_chooser_set_font (GTK_FONT_CHOOSER (fontchooser), "Bitstream Vera Sans 45");
gtk_font_chooser_set_preview_text (GTK_FONT_CHOOSER (fontchooser), "[user@host ~]$ &>>");

44
tests/testfontchooserdialog.c
View File

@ -20,6 +20,43 @@
#include <gtk/gtk.h>
#include "prop-editor.h"
static void
notify_font_cb (GtkFontChooser *fontchooser, GParamSpec *pspec, gpointer data)
{
PangoFontFamily *family;
PangoFontFace *face;
g_debug ("Changed font name %s", gtk_font_chooser_get_font (fontchooser));
family = gtk_font_chooser_get_family (fontchooser);
face = gtk_font_chooser_get_face (fontchooser);
if (family)
{
g_debug (" Family: %s is-monospace:%s",
pango_font_family_get_name (family),
pango_font_family_is_monospace (family) ? "true" : "false");
}
else
g_debug (" No font family!");
if (face)
g_debug (" Face description: %s", pango_font_face_get_face_name (face));
else
g_debug (" No font face!");
}
static void
notify_preview_text_cb (GObject *fontchooser, GParamSpec *pspec, gpointer data)
{
g_debug ("Changed preview text %s", gtk_font_chooser_get_preview_text (GTK_FONT_CHOOSER (fontchooser)));
}
static void
font_activated_cb (GtkFontChooser *chooser, const gchar *font_name, gpointer data)
{
g_debug ("font-activated: %s", font_name);
}
int
main (int argc, char *argv[])
{
@ -33,6 +70,13 @@ main (int argc, char *argv[])
gtk_container_add (GTK_CONTAINER (window), font_button);
gtk_widget_show_all (window);
g_signal_connect (font_button, "notify::font",
G_CALLBACK (notify_font_cb), NULL);
g_signal_connect (font_button, "notify::preview-text",
G_CALLBACK (notify_preview_text_cb), NULL);
g_signal_connect (font_button, "font-activated",
G_CALLBACK (font_activated_cb), NULL);
g_signal_connect (window, "delete-event",
G_CALLBACK (gtk_main_quit), NULL);