compute window size

1 files changed, 30 insertions, 0 deletions

diff --git a/find.go b/find.go
index b8f4d4c..30344de 100644
--- a/find.go
+++ b/find.go
@@ -57,6 +57,36 @@ func (tk *guiWidget) findByXYreal(w int, h int) []*guiWidget {
 	return widgets
 }
 
+// this checks a widget to see if it is under (W,H), then checks the widget's children
+// anything that matches is passed back as an array of widgets
+func (tk *guiWidget) getFullSize() rectType {
+	var r rectType
+
+	r.w0 = tk.gocuiSize.w0
+	r.w1 = tk.gocuiSize.w1
+	r.h0 = tk.gocuiSize.h0
+	r.h1 = tk.gocuiSize.h1
+
+	// search through the children widgets in the binary tree
+	for _, child := range tk.children {
+		cr := child.getFullSize()
+		if r.w0 > cr.w0 {
+			r.w0 = cr.w0
+		}
+		if r.h0 > cr.h0 {
+			r.h0 = cr.h0
+		}
+		if r.w1 < cr.w1 {
+			r.w1 = cr.w1
+		}
+		if r.h1 < cr.h1 {
+			r.h1 = cr.h1
+		}
+	}
+
+	return r
+}
+
 // returns the "highest priority widget under the mouse
 func findUnderMouse() *guiWidget {
 	w, h := me.baseGui.MousePosition()