Added Control.preferredSize() and preferredSize() for all the standard Controls.

1 files changed, 8 insertions, 0 deletions

diff --git a/checkbox.go b/checkbox.go
index c57059d..4e07a0d 100644
--- a/checkbox.go
+++ b/checkbox.go
@@ -74,3 +74,11 @@ func (c *Checkbox) setRect(x int, y int, width int, height int) error {
 
 	return c.sysData.setRect(x, y, width, height)
 }
+
+func (c *Checkbox) preferredSize() (width int, height int, err error) {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+
+	width, height = c.sysData.preferredSize()
+	return
+}