debian/gocui/main.go

105 lines
2.5 KiB
Go

// 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 (
"os"
"go.wit.com/log"
"go.wit.com/gui/widget"
)
// 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")
pluginChan = make(chan widget.Action)
log.Log(NOW, "Init() start pluginChan")
go catchActionChannel()
log.Sleep(.1) // probably not needed, but in here for now under development
go main()
log.Sleep(.1) // probably not needed, but in here for now under development
}
/*
recieves requests from the program to do things like:
* add new widgets
* change the text of a label
* etc..
*/
func catchActionChannel() {
log.Log(INFO, "catchActionChannel() START")
for {
log.Log(INFO, "catchActionChannel() infinite for() loop restarted select on channel")
select {
case a := <-pluginChan:
if (me.baseGui == nil) {
// something went wrong initializing the gocui
log.Log(ERROR, "ERROR: console did not initialize")
continue
}
log.Log(INFO, "catchActionChannel()", a.WidgetId, a.ActionType, a.WidgetType, a.Name)
action(&a)
}
}
}
func Exit() {
// TODO: what should actually happen here?
log.Log(NOW, "Exit() here. doing standardExit()")
standardExit()
}
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 sendBackQuit() {
// send 'Quit' back to the program (?)
var a widget.Action
a.ActionType = widget.UserQuit
callback <- a
}
var outf *os.File
func main() {
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)
}
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)
os.Stderr = ferr
gocuiMain()
log.Log(NOW, "MouseMain() closed")
standardExit()
}