show last 20 events works

doGui.go

@@ -51,12 +51,7 @@ func doGui() {
 		makePortmapWin()
 	})
 
-	grid.NewButton("Save Events", func() {
-		log.Info("event log is len =", me.events.Len())
-		me.events.Save()
-	})
-
-	grid.NewButton("Show Last 20 Events", func() {
+	grid.NewButton("Show Events", func() {
 		// if the window exists, just toggle it open or closed
 		if me.eventswin != nil {
 			me.eventswin.Toggle()

windowEvents.go

@@ -11,24 +11,51 @@ import (
 
 func makeEventsWin() {
 	me.eventswin = new(stdEventTableWin)
-	me.eventswin.win = gadgets.NewGenericWindow("zood daemon versions", "todo: add global controls here")
+	me.eventswin.win = gadgets.NewGenericWindow("Gus current event log", "who is squirreling around?")
 	me.eventswin.win.Custom = func() {
 		log.Info("test delete window here")
 	}
 	grid := me.eventswin.win.Group.RawGrid()
-	grid.NewButton("ConfigSave() ", func() {
-		saveMachineState()
+
+	grid.NewButton("first 20", func() {
+		var count int
+		found := NewEvents()
+		all := me.events.All()
+		for all.Scan() {
+			e := all.Next()
+			count += 1
+			found.Append(e)
+			if count > 20 {
+				break
+			}
+		}
+		doEventsTable(found)
 	})
-	grid.NewButton("Add() ", func() {
+
+	grid.NewButton("last 20", func() {
+		var count int
+		total := me.events.Len()
+		found := NewEvents()
+		all := me.events.All()
+		for all.Scan() {
+			e := all.Next()
+			count += 1
+			if count < total-20 {
+				continue
+			}
+			found.Append(e)
+		}
+		doEventsTable(found)
 	})
-	grid.NewCheckbox("hide active")
-	grid.NewButton("update", func() {
-		doMachinesUpgradeTable()
+
+	grid.NewButton("Save Current", func() {
+		log.Info("event log is len =", me.events.Len())
+		me.events.Save()
 	})
 
 	// make a box at the bottom of the window for the protobuf table
 	me.eventswin.box = me.eventswin.win.Bottom.Box().SetProgName("TBOX")
-	doEventsTable(me.events)
+	// doEventsTable(me.events)
 }
 
 func doEventsTable(currentEvents *Events) {