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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package ui
import (
"fmt"
"runtime"
"runtime/debug"
"time"
"github.com/lxn/walk"
"github.com/lxn/win"
"golang.org/x/sys/windows"
"golang.zx2c4.com/wireguard/windows/manager"
"golang.zx2c4.com/wireguard/windows/version"
)
var noTrayAvailable = false
var shouldQuitManagerWhenExiting = false
var startTime = time.Now()
func RunUI() {
runtime.LockOSThread()
thisProcess, _ := windows.GetCurrentProcess()
windows.SetProcessPriorityBoost(thisProcess, false)
defer func() {
if err := recover(); err != nil {
showErrorCustom(nil, "Panic", fmt.Sprint(err, "\n\n", string(debug.Stack())))
panic(err)
}
}()
var err error
var (
mtw *ManageTunnelsWindow
tray *Tray
)
for mtw == nil {
mtw, err = NewManageTunnelsWindow()
if err != nil {
time.Sleep(time.Millisecond * 400)
}
}
for tray == nil {
tray, err = NewTray(mtw)
if err != nil {
if version.OsIsCore() {
noTrayAvailable = true
break
}
time.Sleep(time.Millisecond * 400)
}
}
manager.IPCClientRegisterManagerStopping(func() {
mtw.Synchronize(func() {
walk.App().Exit(0)
})
})
onUpdateNotification := func(updateState manager.UpdateState) {
if updateState == manager.UpdateStateUnknown {
return
}
mtw.Synchronize(func() {
switch updateState {
case manager.UpdateStateFoundUpdate:
mtw.UpdateFound()
if tray != nil {
tray.UpdateFound()
}
case manager.UpdateStateUpdatesDisabledUnofficialBuild:
mtw.SetTitle(mtw.Title() + " (unsigned build, no updates)")
}
})
}
manager.IPCClientRegisterUpdateFound(onUpdateNotification)
go func() {
updateState, err := manager.IPCClientUpdateState()
if err == nil {
onUpdateNotification(updateState)
}
}()
if tray == nil {
win.ShowWindow(mtw.Handle(), win.SW_MINIMIZE)
}
mtw.Run()
if tray != nil {
tray.Dispose()
}
mtw.Dispose()
if shouldQuitManagerWhenExiting {
_, err := manager.IPCClientQuit(true)
if err != nil {
showErrorCustom(nil, "Error Exiting WireGuard", fmt.Sprintf("Unable to exit service due to: %v. You may want to stop WireGuard from the service manager.", err))
}
}
}
func onQuit() {
shouldQuitManagerWhenExiting = true
walk.App().Exit(0)
}
func showError(err error, owner walk.Form) bool {
if err == nil {
return false
}
showErrorCustom(owner, "Error", err.Error())
return true
}
func showErrorCustom(owner walk.Form, title, message string) {
walk.MsgBox(owner, title, message, walk.MsgBoxIconError)
}
func showWarningCustom(owner walk.Form, title, message string) {
walk.MsgBox(owner, title, message, walk.MsgBoxIconWarning)
}
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