dropdown & combobox's pop up

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

add.go

@@ -49,6 +49,11 @@ func addWidget(n *tree.Node) {
 		nw.color = &colorWindow
 		wRoot := me.treeRoot.TK.(*guiWidget)
 		wRoot.redoWindows(0, 0)
+		// TODO: record the first window here?
+		// do initial setup of helper widgets here:
+		if me.ddview == nil {
+			me.ddview = makeDropdownView("addWidget() ddview")
+		}
 		return
 	case widget.Tab:
 		nw.color = &colorTab

click.go

@@ -198,9 +198,11 @@ func (w *guiWidget) doWidgetClick() {
 			log.Log(NOW, "ddItem:", w.String(), i, s)
 			ddItems += s + "\n"
 		}
+		/*
 		if me.ddview == nil {
 			me.ddview = makeDropdownView(ddItems)
 		}
+		*/
 		showDropdownItems(ddItems)
 		me.ddNode = w.node
 		/*

dropdown.go

@@ -155,12 +155,13 @@ func showDDview() error {
 	return nil
 }
 
-	/*
+/*
-		// if there is a drop down view active, treat it like a dialog box and close it
+// if there is a drop down view active, treat it like a dialog box and close it
+
 	if (hideDDview() == nil) {
 		return nil
 	}
-	*/
+*/
 func (w *guiWidget) dropdownClicked(mouseW, mouseH int) {
 	log.Log(NOW, "dropdownClicked() (w,h) =", mouseW, mouseH)
 	w.SetVisible(false)

gocui.go

@@ -12,35 +12,6 @@ import (
 	"go.wit.com/log"
 )
 
-// This initializes the gocui package
-// it runs SetManagerFunc which passes every input
-// event (keyboard, mouse, etc) to the function "gocuiEvent()"
-func gocuiMain() {
-	g, err := gocui.NewGui(gocui.OutputNormal, true)
-	if err != nil {
-		panic(err)
-	}
-	defer g.Close()
-
-	me.baseGui = g
-
-	g.Cursor = true
-	g.Mouse = true
-
-	// this sets the function that is run on every event. For example:
-	// When you click the mouse, move the mouse, or press a key on the keyboard
-	// This is equivalent to xev or similar to cat /dev/input on linux
-	g.SetManagerFunc(gocuiEvent)
-
-	if err := defaultKeybindings(g); err != nil {
-		panic(err)
-	}
-
-	if err := g.MainLoop(); err != nil && !errors.Is(err, gocui.ErrQuit) {
-		panic(err)
-	}
-}
-
 // Thanks to the gocui developers -- your package kicks ass
 // This function is called on every event. It is a callback function from the gocui package
 // which has an excellent implementation. While gocui handles things like text highlighting

main.go

@@ -5,9 +5,11 @@
 package main
 
 import (
+	"errors"
 	"os"
 	"runtime/debug"
 
+	"github.com/awesome-gocui/gocui"
 	"go.wit.com/log"
 	"go.wit.com/toolkits/tree"
 )
@@ -75,14 +77,19 @@ func mainGogui() {
 			log.Warn("YAHOOOO Recovered in guiMain application:", r)
 			log.Warn("Recovered from panic:", r)
 			me.baseGui.Close()
-			log.Sleep(3)
+
+			// allow gocui to close if possible, then print stack
+			log.Sleep(1)
 			os.Stdout = origStdout
 			os.Stderr = origStderr
-
 			me.myTree.SendToolkitPanic()
 			log.Warn("Stack trace:")
 			debug.PrintStack()
-			panic("BUMMER")
+
+			// attempt to switch to the nocui toolkit
+			log.Sleep(1)
+			me.myTree.SendToolkitLoad("nocui")
+			// panic("BUMMER")
 			return
 		}
 	}()
@@ -106,3 +113,32 @@ func mainGogui() {
 	os.Stderr = ferr
 	gocuiMain()
 }
+
+// This initializes the gocui package
+// it runs SetManagerFunc which passes every input
+// event (keyboard, mouse, etc) to the function "gocuiEvent()"
+func gocuiMain() {
+	g, err := gocui.NewGui(gocui.OutputNormal, true)
+	if err != nil {
+		panic(err)
+	}
+	defer g.Close()
+
+	me.baseGui = g
+
+	g.Cursor = true
+	g.Mouse = true
+
+	// this sets the function that is run on every event. For example:
+	// When you click the mouse, move the mouse, or press a key on the keyboard
+	// This is equivalent to xev or similar to cat /dev/input on linux
+	g.SetManagerFunc(gocuiEvent)
+
+	if err := defaultKeybindings(g); err != nil {
+		panic(err)
+	}
+
+	if err := g.MainLoop(); err != nil && !errors.Is(err, gocui.ErrQuit) {
+		panic(err)
+	}
+}