gocui: preliminary log() output window

Signed-off-by: Jeff Carr <jcarr@wit.com>

toolkit/gocui/log.go

@@ -1,7 +1,9 @@
 package main
 
 import 	(
+	"fmt"
 	"os"
+	"strings"
 	witlog "git.wit.org/wit/gui/log"
 )
 
@@ -12,9 +14,24 @@ var logWarn bool = false
 var logInfo bool = false
 var logVerbose bool = false
 
+var outputS []string
+
 func log(a ...any) {
 	witlog.Where = "wit/gocui"
 	witlog.Log(a...)
+	s := fmt.Sprint(a...)
+	tmp := strings.Split(s, "\n")
+	outputS = append(outputS, tmp...)
+	if (len(outputS) > 50) {
+		outputS = outputS[10:]
+	}
+	if (me.baseGui != nil) {
+		v, _ := me.baseGui.View("msg")
+		if (v != nil) {
+			v.Clear()
+			fmt.Fprintln(v, strings.Join(outputS, "\n"))
+		}
+	}
 }
 
 func sleep(a ...any) {

toolkit/gocui/showMsg.go

@@ -11,12 +11,15 @@ import (
 	"github.com/awesome-gocui/gocui"
 )
 
+var outputW int = 80
+var outputH int = 24
+
 func moveMsg(g *gocui.Gui) {
 	mx, my := g.MousePosition()
 	if !movingMsg && (mx != initialMouseX || my != initialMouseY) {
 		movingMsg = true
 	}
-	g.SetView("msg", mx-xOffset, my-yOffset, mx-xOffset+20, my-yOffset+7, 0)
+	g.SetView("msg", mx-xOffset, my-yOffset, mx-xOffset+outputW, my-yOffset+outputH, 0)
 }
 
 func showMsg(g *gocui.Gui, v *gocui.View) error {
@@ -31,14 +34,16 @@ func showMsg(g *gocui.Gui, v *gocui.View) error {
 	if l, err = v.Line(cy); err != nil {
 		l = ""
 	}
+	// setOutput(me.rootNode)
 
 	maxX, maxY := g.Size()
-	if v, err := g.SetView("msg", maxX/2-10, maxY/2, maxX/2+10, maxY/2+7, 0); err == nil || errors.Is(err, gocui.ErrUnknownView) {
+	if v, err := g.SetView("msg", maxX/2, maxY/2, maxX/2+outputW, maxY/2+outputH, 0); err == nil || errors.Is(err, gocui.ErrUnknownView) {
 		v.Clear()
 		v.SelBgColor = gocui.ColorCyan
 		v.SelFgColor = gocui.ColorBlack
 		l += "foo\n" + "bar\n"
 		fmt.Fprintln(v, l)
 	}
+	g.SetViewOnTop("msg")
 	return nil
 }