PROP_METRIC
};
-static void gtk_ruler_class_init (GtkRulerClass *klass);
-static void gtk_ruler_init (GtkRuler *ruler);
static void gtk_ruler_realize (GtkWidget *widget);
static void gtk_ruler_unrealize (GtkWidget *widget);
static void gtk_ruler_size_allocate (GtkWidget *widget,
GValue *value,
GParamSpec *pspec);
-static GtkWidgetClass *parent_class;
-
static const GtkRulerMetric ruler_metrics[] =
{
- {"Pixels", "Pi", 1.0, { 1, 2, 5, 10, 25, 50, 100, 250, 500, 1000 }, { 1, 5, 10, 50, 100 }},
- {"Inches", "In", 72.0, { 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 }, { 1, 2, 4, 8, 16 }},
- {"Centimeters", "Cn", 28.35, { 1, 2, 5, 10, 25, 50, 100, 250, 500, 1000 }, { 1, 5, 10, 50, 100 }},
+ { "Pixel", "Pi", 1.0, { 1, 2, 5, 10, 25, 50, 100, 250, 500, 1000 }, { 1, 5, 10, 50, 100 }},
+ { "Inches", "In", 72.0, { 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 }, { 1, 2, 4, 8, 16 }},
+ { "Centimeters", "Cn", 28.35, { 1, 2, 5, 10, 25, 50, 100, 250, 500, 1000 }, { 1, 5, 10, 50, 100 }},
};
-
-GType
-gtk_ruler_get_type (void)
-{
- static GType ruler_type = 0;
-
- if (!ruler_type)
- {
- static const GTypeInfo ruler_info =
- {
- sizeof (GtkRulerClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) gtk_ruler_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (GtkRuler),
- 0, /* n_preallocs */
- (GInstanceInitFunc) gtk_ruler_init,
- };
-
- ruler_type = g_type_register_static (GTK_TYPE_WIDGET, g_intern_static_string ("GtkRuler"),
- &ruler_info, 0);
- }
-
- return ruler_type;
-}
+G_DEFINE_TYPE (GtkRuler, gtk_ruler, GTK_TYPE_WIDGET)
static void
gtk_ruler_class_init (GtkRulerClass *class)
gobject_class = G_OBJECT_CLASS (class);
widget_class = (GtkWidgetClass*) class;
- parent_class = g_type_class_peek_parent (class);
-
gobject_class->set_property = gtk_ruler_set_property;
gobject_class->get_property = gtk_ruler_get_property;
return 0;
}
+/**
+ * gtk_ruler_set_range:
+ * @ruler: the gtkruler
+ * @lower: the lower limit of the ruler
+ * @upper: the upper limit of the ruler
+ * @position: the mark on the ruler
+ * @max_size: the maximum size of the ruler used when calculating the space to
+ * leave for the text
+ *
+ * This sets the range of the ruler.
+ */
void
gtk_ruler_set_range (GtkRuler *ruler,
gdouble lower,
GtkRuler *ruler = GTK_RULER (widget);
if (ruler->backing_store)
- g_object_unref (ruler->backing_store);
+ {
+ g_object_unref (ruler->backing_store);
+ ruler->backing_store = NULL;
+ }
- ruler->backing_store = NULL;
- ruler->non_gr_exp_gc = NULL;
+ if (ruler->non_gr_exp_gc)
+ {
+ g_object_unref (ruler->non_gr_exp_gc);
+ ruler->non_gr_exp_gc = NULL;
+ }
- if (GTK_WIDGET_CLASS (parent_class)->unrealize)
- (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+ if (GTK_WIDGET_CLASS (gtk_ruler_parent_class)->unrealize)
+ (* GTK_WIDGET_CLASS (gtk_ruler_parent_class)->unrealize) (widget);
}
static void