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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package ui
import (
"github.com/lxn/walk"
"github.com/lxn/win"
"golang.zx2c4.com/wireguard/windows/service"
)
type ManageTunnelsWindow struct {
walk.FormBase
tabs *walk.TabWidget
tunnelsPage *TunnelsPage
logPage *LogPage
updatePage *UpdatePage
tunnelChangedCB *service.TunnelChangeCallback
}
const (
manageWindowWindowClass = "WireGuard UI - Manage Tunnels"
raiseMsg = win.WM_USER + 0x3510
)
func init() {
walk.MustRegisterWindowClass(manageWindowWindowClass)
}
func NewManageTunnelsWindow() (*ManageTunnelsWindow, error) {
var err error
font, err := walk.NewFont("Segoe UI", 9, 0)
if err != nil {
return nil, err
}
mtw := new(ManageTunnelsWindow)
mtw.SetName("WireGuard")
err = walk.InitWindow(mtw, nil, manageWindowWindowClass, win.WS_OVERLAPPEDWINDOW, win.WS_EX_CONTROLPARENT)
if err != nil {
return nil, err
}
win.ChangeWindowMessageFilterEx(mtw.Handle(), raiseMsg, win.MSGFLT_ALLOW, nil)
mtw.SetPersistent(true)
if icon, err := loadLogoIcon(mtw.DPI() / 3); err == nil { //TODO: calculate DPI dynamically
mtw.SetIcon(icon)
}
mtw.SetTitle("WireGuard")
mtw.AddDisposable(font)
mtw.SetFont(font)
mtw.SetSize(walk.Size{670, 525})
mtw.SetMinMaxSize(walk.Size{500, 400}, walk.Size{0, 0})
vlayout := walk.NewVBoxLayout()
vlayout.SetMargins(walk.Margins{5, 5, 5, 5})
mtw.SetLayout(vlayout)
mtw.Closing().Attach(func(canceled *bool, reason walk.CloseReason) {
// "Close to tray" instead of exiting application
*canceled = true
mtw.Hide()
})
mtw.VisibleChanged().Attach(func() {
if mtw.Visible() {
mtw.tunnelsPage.updateConfView()
win.SetForegroundWindow(mtw.Handle())
win.BringWindowToTop(mtw.Handle())
mtw.logPage.scrollToBottom()
}
})
mtw.tabs, _ = walk.NewTabWidget(mtw)
if mtw.tunnelsPage, err = NewTunnelsPage(); err != nil {
return nil, err
}
mtw.tabs.Pages().Add(mtw.tunnelsPage.TabPage)
mtw.tunnelsPage.CreateToolbar()
if mtw.logPage, err = NewLogPage(); err != nil {
return nil, err
}
mtw.tabs.Pages().Add(mtw.logPage.TabPage)
mtw.tunnelChangedCB = service.IPCClientRegisterTunnelChange(mtw.onTunnelChange)
globalState, _ := service.IPCClientGlobalState()
mtw.onTunnelChange(nil, service.TunnelUnknown, globalState, nil)
return mtw, nil
}
func (mtw *ManageTunnelsWindow) Dispose() {
if mtw.tunnelChangedCB != nil {
mtw.tunnelChangedCB.Unregister()
mtw.tunnelChangedCB = nil
}
mtw.FormBase.Dispose()
}
func (mtw *ManageTunnelsWindow) onTunnelChange(tunnel *service.Tunnel, state service.TunnelState, globalState service.TunnelState, err error) {
mtw.Synchronize(func() {
icon, err2 := iconWithOverlayForState(globalState, mtw.DPI()/3) //TODO: calculate DPI dynamically
if err2 == nil {
mtw.SetIcon(icon)
}
if err != nil && mtw.Visible() {
errMsg := err.Error()
if len(errMsg) > 0 && errMsg[len(errMsg)-1] != '.' {
errMsg += "."
}
walk.MsgBox(mtw, "Tunnel Error", errMsg+"\n\nPlease consult the log for more information.", walk.MsgBoxIconWarning)
}
})
}
func (mtw *ManageTunnelsWindow) UpdateFound() {
if mtw.updatePage != nil {
return
}
mtw.SetTitle(mtw.Title() + " (out of date)")
updatePage, err := NewUpdatePage()
if err == nil {
mtw.updatePage = updatePage
mtw.tabs.Pages().Add(updatePage.TabPage)
}
}
func (mtw *ManageTunnelsWindow) WndProc(hwnd win.HWND, msg uint32, wParam, lParam uintptr) uintptr {
switch msg {
case win.WM_QUERYENDSESSION:
if lParam == win.ENDSESSION_CLOSEAPP {
return win.TRUE
}
case win.WM_ENDSESSION:
if lParam == win.ENDSESSION_CLOSEAPP && wParam == 1 {
walk.App().Exit(198)
}
case raiseMsg:
if !mtw.Visible() {
mtw.tunnelsPage.listView.SelectFirstActiveTunnel()
if mtw.tabs.Pages().Len() != 3 {
mtw.tabs.SetCurrentIndex(0)
}
}
if mtw.tabs.Pages().Len() == 3 {
mtw.tabs.SetCurrentIndex(2)
}
raise(mtw.Handle())
}
return mtw.FormBase.WndProc(hwnd, msg, wParam, lParam)
}
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