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// Copyright 2014 The gocui Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"errors"
"os"
"runtime/debug"
"github.com/awesome-gocui/gocui"
"go.wit.com/log"
"go.wit.com/toolkits/tree"
)
func queueToolkitClose() {
me.baseGui.Close()
}
func queueSetChecked(n *tree.Node, b bool) {
setChecked(n, b)
}
// sets defaults and establishes communication
// to this toolkit from the wit/gui golang package
func init() {
log.Log(INFO, "Init() of awesome-gocui")
// init the config struct default values
Set(&me, "default")
// Set(&me, "dense")
me.myTree = tree.New()
me.myTree.PluginName = "gocui"
me.myTree.NodeAction = newaction
me.myTree.Add = newAdd
me.myTree.SetTitle = newSetTitle
me.myTree.SetLabel = newSetLabel
me.myTree.SetText = newSetText
me.myTree.AddText = newAddText
me.myTree.SetChecked = queueSetChecked
me.myTree.ToolkitClose = queueToolkitClose
log.Log(NOW, "Init() start pluginChan")
log.Sleep(.1) // probably not needed, but in here for now under development
go mainGogui()
log.Sleep(.1) // probably not needed, but in here for now under development
}
func standardExit() {
log.Log(NOW, "standardExit() doing baseGui.Close()")
me.baseGui.Close()
log.Log(NOW, "standardExit() doing outf.Close()")
outf.Close()
// log(true, "standardExit() setOutput(os.Stdout)")
// setOutput(os.Stdout)
log.Log(NOW, "standardExit() send back Quit()")
// go sendBackQuit() // don't stall here in case the
// induces a delay in case the callback channel is broken
log.Sleep(1)
log.Log(NOW, "standardExit() exit()")
os.Exit(0)
}
func standardClose() {
log.Log(NOW, "standardExit() doing baseGui.Close()")
me.baseGui.Close()
log.Log(NOW, "standardExit() doing outf.Close()")
outf.Close()
os.Stdin = os.Stdin
os.Stdout = os.Stdout
os.Stderr = os.Stderr
log.Log(NOW, "standardExit() send back Quit()")
}
var outf *os.File
func main() {
}
var origStdout *os.File
var origStderr *os.File
func mainGogui() {
defer func() {
if r := recover(); r != nil {
log.Warn("YAHOOOO Recovered in guiMain application:", r)
log.Warn("Recovered from panic:", r)
me.baseGui.Close()
me.myTree.SendToolkitPanic()
// attempts to control STDOUT
/*
// allow gocui to close if possible, then print stack
log.Sleep(1)
me.myTree.SendToolkitLoad("nocui")
log.Sleep(3)
os.Stdout = origStdout
os.Stderr = origStderr
log.Warn("Stack trace:")
debug.PrintStack()
// attempt to switch to the nocui toolkit
log.Sleep(1)
// panic("BUMMER")
*/
return
}
}()
// attempts to control STDOUT
/*
var err error
log.Log(INFO, "main() start Init()")
outf, err = os.OpenFile("/tmp/witgui.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
log.Error(err, "error opening file: %v")
os.Exit(0)
}
origStdout = os.Stdout
os.Stdout = outf
defer outf.Close()
// setOutput(outf)
// log("This is a test log entry")
ferr, _ := os.OpenFile("/tmp/witgui.err", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0664)
origStderr = os.Stderr
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() {
defer func() {
if r := recover(); r != nil {
log.Warn("YAHOOOO Recovered in gocuiMain()", r)
log.Warn("Recovered from panic:", r)
me.baseGui.Close()
// 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 2")
// attempt to switch to the nocui toolkit
log.Sleep(1)
me.myTree.SendToolkitLoad("nocui")
log.Sleep(3)
me.myTree.SendToolkitLoad("nocui")
// panic("BUMMER")
return
}
}()
g, err := gocui.NewGui(gocui.OutputNormal, true)
if err != nil {
return
}
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 {
// normally panic here
log.Log(NOW, "defaultKeybindings(g) panic err =", err)
panic("gocuiTKdefaultkeybindings OOPS")
}
if err := g.MainLoop(); err != nil && !errors.Is(err, gocui.ErrQuit) {
log.Log(NOW, "g.MainLoop() panic err =", err)
// normally panic here
panic("gocuiTKmainloop OOPS")
}
}
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