GtkFontChooser: Add a ::font-activated signal

This signal gets emitted when a font in the list is activated.
This commit is contained in:
Matthias Clasen 2011-08-24 00:49:16 -04:00
parent ca0c7c1649
commit f7bf35052e
2 changed files with 50 additions and 1 deletions

View File

@ -141,6 +141,13 @@ enum {
PREVIEW_TITLE_COLUMN
};
enum {
SIGNAL_FONT_ACTIVATED,
N_SIGNALS
};
static guint signals[N_SIGNALS] = { 0, };
static void gtk_font_chooser_set_property (GObject *object,
guint prop_id,
const GValue *value,
@ -199,6 +206,26 @@ gtk_font_chooser_class_init (GtkFontChooserClass *klass)
TRUE,
GTK_PARAM_READWRITE));
/**
* GtkFontChooserWidget::font-activated:
* @self: the object which received the signal
* @fontname: the font name
*
* Emitted when a font is activated from the widget's list.
* This usually happens when the user double clicks an item,
* or an item is selected and the user presses one of the keys
* Space, Shift+Space, Return or Enter.
*/
signals[SIGNAL_FONT_ACTIVATED] =
g_signal_new ("font-activated",
GTK_TYPE_FONT_CHOOSER,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkFontChooserClass, font_activated),
NULL, NULL,
NULL,
G_TYPE_NONE,
1, G_TYPE_STRING);
g_type_class_add_private (klass, sizeof (GtkFontChooserPrivate));
}
@ -395,6 +422,21 @@ set_range_marks (GtkFontChooserPrivate *priv,
GTK_POS_BOTTOM, NULL);
}
static void
row_activated_cb (GtkTreeView *view,
GtkTreePath *path,
GtkTreeViewColumn *column,
gpointer user_data)
{
GtkFontChooser *self = user_data;
gchar *fontname;
fontname = gtk_font_chooser_get_font_name (self);
g_signal_emit (self, signals[SIGNAL_FONT_ACTIVATED], 0, fontname);
g_free (fontname);
}
static void
cursor_changed_cb (GtkTreeView *treeview,
gpointer user_data)
@ -642,7 +684,10 @@ gtk_font_chooser_init (GtkFontChooser *fontchooser)
g_signal_connect (priv->family_face_list, "cursor-changed",
G_CALLBACK (cursor_changed_cb), fontchooser);
/* Zoom on preview scroll*/
g_signal_connect (priv->family_face_list, "row-activated",
G_CALLBACK (row_activated_cb), fontchooser);
/* Zoom on preview scroll */
g_signal_connect (priv->preview, "scroll-event",
G_CALLBACK (zoom_preview_cb), fontchooser);
@ -1070,6 +1115,7 @@ gtk_font_chooser_get_font_name (GtkFontChooser *fontchooser)
font_name = g_strdup_printf ("%s %d", font_desc_name, fontchooser->priv->size / PANGO_SCALE);
g_free (font_desc_name);
return font_name;
}

View File

@ -51,6 +51,9 @@ struct _GtkFontChooserClass
{
GtkBoxClass parent_class;
void (* font_activated) (GtkFontChooser *chooser,
const gchar *fontname);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);