clip large windows

1 files changed, 42 insertions, 0 deletions

diff --git a/treeDraw.go b/treeDraw.go
index 802e498..e9f9d20 100644
--- a/treeDraw.go
+++ b/treeDraw.go
@@ -13,6 +13,34 @@ import (
 	"go.wit.com/widget"
 )
 
+// don't draw widgets that are too far down the window
+func (tk *guiWidget) doNotDraw() bool {
+	var check bool
+	switch tk.node.WidgetType {
+	case widget.Button:
+		check = true
+	case widget.Label:
+		check = true
+	default:
+	}
+	if !check {
+		return false
+	}
+	win := tk.findParentWindow()
+	if win == nil {
+		// don't draw anything if you can't find the parent window
+		return true
+	}
+
+	h := tk.gocuiSize.h0 - win.gocuiSize.h0
+
+	if h > 20 {
+		return true
+	}
+
+	return false
+}
+
 // display's the text of the widget in gocui
 // deletes the old view if it exists and recreates it
 func (tk *guiWidget) drawView() {
@@ -33,11 +61,22 @@ func (tk *guiWidget) drawView() {
 	me.baseGui.DeleteView(tk.cuiName)
 	tk.v = nil
 
+	if tk.doNotDraw() {
+		return
+	}
+
 	a := tk.gocuiSize.w0
 	b := tk.gocuiSize.h0
 	c := tk.gocuiSize.w1
 	d := tk.gocuiSize.h1
 
+	if tk.node.WidgetType == widget.Window || tk.node.WidgetType == widget.Flag {
+		if tk.gocuiSize.Height() > 30 {
+			tk.gocuiSize.h1 = tk.gocuiSize.h0 + 30
+			d = tk.gocuiSize.h1
+		}
+	}
+
 	// this is all terrible. This sets the title. kinda
 	if tk.node.WidgetType == widget.Window {
 		tk.textResize()
@@ -139,6 +178,9 @@ func (w *guiWidget) Show() {
 		// never show hidden widgets
 		return
 	}
+	if me.debug {
+		w.dumpWidget("drawView()")
+	}
 
 	w.drawView()
 }