stub in code to page large windows

1 files changed, 51 insertions, 3 deletions

diff --git a/treeDraw.go b/treeDraw.go
index e9f9d20..c2d8864 100644
--- a/treeDraw.go
+++ b/treeDraw.go
@@ -41,6 +41,41 @@ func (tk *guiWidget) doNotDraw() bool {
 	return false
 }
 
+// page widgets in the window
+func (tk *guiWidget) pageWidget() *rectType {
+	r := new(rectType)
+
+	var check bool
+	switch tk.node.WidgetType {
+	case widget.Button:
+		check = true
+	case widget.Label:
+		check = true
+	default:
+	}
+	if !check {
+		return nil
+	}
+	win := tk.findParentWindow()
+	if win == nil {
+		// don't draw anything if you can't find the parent window
+		return nil
+	}
+
+	r.w0 = tk.gocuiSize.w0
+	r.h0 = tk.gocuiSize.h0
+	r.w1 = tk.gocuiSize.w1
+	r.h1 = tk.gocuiSize.h1
+
+	// r.h0 = tk.gocuiSize.h0 - win.gocuiSize.h0
+
+	if r.h0 > 20 {
+		return r
+	}
+
+	return r
+}
+
 // display's the text of the widget in gocui
 // deletes the old view if it exists and recreates it
 func (tk *guiWidget) drawView() {
@@ -70,9 +105,23 @@ func (tk *guiWidget) drawView() {
 	c := tk.gocuiSize.w1
 	d := tk.gocuiSize.h1
 
+	if r := tk.pageWidget(); r == nil {
+		// if nil, draw whatever it is anyway
+	} else {
+		if r.Width() == 0 && r.Height() == 0 {
+			// don't draw empty stuff
+			return
+		}
+		a = r.w0
+		b = r.h0
+		c = r.w1
+		d = r.h1
+	}
+
 	if tk.node.WidgetType == widget.Window || tk.node.WidgetType == widget.Flag {
-		if tk.gocuiSize.Height() > 30 {
-			tk.gocuiSize.h1 = tk.gocuiSize.h0 + 30
+		if tk.gocuiSize.Height() > 40 {
+			tk.window.large = true
+			tk.gocuiSize.h1 = tk.gocuiSize.h0 + 40
 			d = tk.gocuiSize.h1
 		}
 	}
@@ -98,7 +147,6 @@ func (tk *guiWidget) drawView() {
 		b = tk.gocuiSize.h0
 		c = tk.gocuiSize.w1
 		d = tk.gocuiSize.h1
-
 	}
 
 	tk.v, err = me.baseGui.SetView(tk.cuiName, a, b, c, d, 0)