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GtkGLArea: Handle window scale factor changes

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We need to re-allocate the buffers for the new gl size.
This commit is contained in:
Alexander Larsson 2014-12-16 13:27:49 +01:00
parent 08853c7364
commit b52a06ac6f
1 changed files with 17 additions and 0 deletions
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17
gtk/gtkglarea.c
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@ -298,6 +298,22 @@ gtk_gl_area_realize (GtkWidget *widget)
priv->needs_resize = TRUE;
}
static void
gtk_gl_area_notify (GObject *object,
GParamSpec *pspec)
{
if (strcmp (pspec->name, "scale-factor") == 0)
{
GtkGLArea *area = GTK_GL_AREA (object);
GtkGLAreaPrivate *priv = gtk_gl_area_get_instance_private (area);
priv->needs_resize = TRUE;
}
if (G_OBJECT_CLASS (gtk_gl_area_parent_class)->notify)
G_OBJECT_CLASS (gtk_gl_area_parent_class)->notify (object, pspec);
}
static GdkGLContext *
gtk_gl_area_real_create_context (GtkGLArea *area)
{
@ -843,6 +859,7 @@ gtk_gl_area_class_init (GtkGLAreaClass *klass)
gobject_class->set_property = gtk_gl_area_set_property;
gobject_class->get_property = gtk_gl_area_get_property;
gobject_class->dispose = gtk_gl_area_dispose;
gobject_class->notify = gtk_gl_area_notify;
g_object_class_install_properties (gobject_class, LAST_PROP, obj_props);