1 files changed, 184 insertions, 0 deletions
diff --git a/debug.go b/debug.go
new file mode 100644
index 0000000..f2be829
--- /dev/null
+++ b/debug.go
@@ -0,0 +1,184 @@
+package gui
+
+// Lots of debugging things:
+// A function dump out the binary tree
+
+import (
+	// "fmt"
+	"reflect"
+)
+
+// various debugging flags
+var debugGui bool = false
+var debugDump bool = false
+var debugNode bool = false
+var debugTabs bool = false
+var debugChange bool = false	// shows user events like mouse and keyboard
+var debugPlugin	bool = false
+var debugToolkit bool = false
+
+func GetDebug () bool {
+	return debugGui
+}
+
+func SetDebug (s bool) {
+	debugGui = s
+	// debugDump = s
+	// debugNode = s
+}
+
+/*
+func GetDebugToolkit () bool {
+	return debugToolkit
+}
+*/
+
+// This passes the debugToolkit flag to the toolkit plugin
+func SetDebugToolkit (s bool) {
+	debugToolkit = s
+	for _, aplug := range allPlugins {
+		log(debugPlugin, "gui.SetDebugToolkit() aplug =", aplug.name)
+		if (aplug.SetDebugToolkit == nil) {
+			log(debugPlugin, "\tgui.SetDebugToolkit() = nil", aplug.name)
+			continue
+		}
+		aplug.SetDebugToolkit(s)
+		return
+	}
+	log(debugPlugin, "\tgui.SetDebugToolkit() = nil in all plugins")
+}
+
+// This passes the debugChange flag to the toolkit plugin
+func SetDebugChange (s bool) {
+	// debugToolkit = s
+	for _, aplug := range allPlugins {
+		log(debugPlugin, "gui.SetDebugChange() aplug =", aplug.name)
+		if (aplug.SetDebugChange == nil) {
+			log(debugPlugin, "\tgui.SetDebugChange() = nil", aplug.name)
+			continue
+		}
+		aplug.SetDebugChange(s)
+		return
+	}
+	log(debugPlugin, "\tgui.SetDebugChange() = nil in all plugins")
+}
+
+func ShowDebugValues() {
+	log(true, "Debug =", debugGui)
+	log(true, "DebugDump =", debugDump)
+	log(true, "DebugNode =", debugNode)
+	log(true, "DebugTabs =", debugTabs)
+	log(true, "DebugPlugin =", debugPlugin)
+	log(true, "DebugChange =", debugChange)
+	log(true, "DebugToolkit =", debugToolkit)
+
+	// dump out the debugging flags for the plugins
+	for _, aplug := range allPlugins {
+		log(debugPlugin, "gui.ShowDebug() aplug =", aplug.name)
+		if (aplug.ShowDebug == nil) {
+			log(debugPlugin, "\tgui.ShowDebug() = nil", aplug.name)
+			continue
+		}
+		aplug.ShowDebug()
+		return
+	}
+}
+
+func (n *Node) Dump() {
+	if ! debugDump {
+		return
+	}
+	Indent("NODE DUMP START")
+	Indent("id         = ", n.id)
+	Indent("Name       = ", n.Name)
+	Indent("Width      = ", n.Width)
+	Indent("Height     = ", n.Height)
+
+	if (n.parent == nil) {
+		Indent("parent     = nil")
+	} else {
+		Indent("parent.id  =", n.parent.id)
+	}
+	if (n.children != nil) {
+		Indent("children   = ", n.children)
+	}
+	if (n.custom != nil) {
+		Indent("custom     = ", n.custom)
+	}
+	Indent("checked    = ", n.checked)
+	if (n.OnChanged != nil) {
+		Indent("OnChanged  = ", n.OnChanged)
+	}
+	Indent("text       = ", reflect.ValueOf(n.text).Kind(), n.text)
+	Indent("NODE DUMP END")
+}
+
+var listChildrenParent *Node
+var listChildrenDepth int = 0
+var defaultPadding = "  "
+
+func Indent(a ...interface{}) {
+	logindent(listChildrenDepth, defaultPadding, a...)
+}
+
+func (n *Node) dumpWidget() {
+	var info string
+
+	if (n.Widget.Type == "") {
+		n.Widget.Type = "UNDEF"
+	}
+	info = n.Widget.Type
+
+	info += ", " + n.Widget.Name
+	if (n.Name != n.Widget.Name) {
+		info += " NAME MISMATCH"
+	}
+
+	logindent(listChildrenDepth, defaultPadding, n.id, info)
+}
+
+func (n *Node) ListChildren(dump bool) {
+	n.dumpWidget()
+
+	if (dump == true) {
+		n.Dump()
+	}
+	if len(n.children) == 0 {
+		if (n.parent == nil) {
+		} else {
+			log(debugNode, "\t\t\tparent =",n.parent.id)
+			if (listChildrenParent != nil) {
+				log(debugNode, "\t\t\tlistChildrenParent =",listChildrenParent.id)
+				if (listChildrenParent.id != n.parent.id) {
+					// log("parent.child does not match child.parent")
+					exit("parent.child does not match child.parent")
+				}
+			}
+		}
+		log(debugNode, "\t\t", n.id, "has no children")
+		return
+	}
+	for _, child := range n.children {
+		if (child.parent != nil) {
+			log(debugNode, "\t\t\tparent =",child.parent.id)
+		} else {
+			log(debugGui, "\t\t\tno parent")
+			// memory corruption? non-threadsafe access?
+			// can all binary tree changes to Node.parent & Node.child be forced into a singular goroutine?
+			panic("something is wrong with the wit golang gui logic and the binary tree is broken. child has no parent")
+		}
+		if (dump == true) {
+			child.Dump()
+		}
+		if (child.children == nil) {
+			log(debugNode, "\t\t", child.id, "has no children")
+		} else {
+			log(debugNode, "\t\t\tHas children:", child.children)
+		}
+		listChildrenParent = n
+		listChildrenDepth += 1
+		child.ListChildren(dump)
+		listChildrenDepth -= 1
+	}
+	return
+}