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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package ui
import (
"fmt"
"path"
"github.com/lxn/walk"
"github.com/lxn/win"
"golang.org/x/sys/windows"
)
var (
systemIconAddTunnel,
systemIconAddTunnelFromScratch,
systemIconAddTunnelFromFile,
systemIconDeleteTunnel,
systemIconExportTunnels,
systemIconSaveTunnelsToZip,
_ *walk.Icon
)
func loadSystemIcon(dll string, index uint) (*walk.Icon, error) {
system32, err := windows.GetSystemDirectory()
if err != nil {
return nil, err
}
hicon := win.ExtractIcon(win.GetModuleHandle(nil), windows.StringToUTF16Ptr(path.Join(system32, dll+".dll")), int32(index))
if hicon <= 1 {
return nil, fmt.Errorf("Unable to find icon %d of %s", index, dll)
}
return walk.NewIconFromHICON(hicon)
}
func setIconOnAction(wb *walk.WindowBase, action *walk.Action, icon *walk.Icon) error {
//TODO: this is an unholy hack. Fix walk!
bitmap, err := walk.NewBitmapFromIcon(icon, walk.Size{32, 32})
if err != nil {
return err
}
wb.AddDisposable(bitmap)
return action.SetImage(bitmap)
}
func loadSystemIcons() (err error) {
//TODO: this should probably be in an object that is disposable instead of using globals like this
systemIconAddTunnel, err = loadSystemIcon("shell32", 149)
if err != nil {
return
}
systemIconAddTunnelFromScratch, err = loadSystemIcon("imageres", 2)
if err != nil {
return
}
systemIconAddTunnelFromFile, err = loadSystemIcon("imageres", 3)
if err != nil {
return
}
systemIconDeleteTunnel, err = loadSystemIcon("shell32", 131)
if err != nil {
return
}
systemIconExportTunnels, err = loadSystemIcon("shell32", 45)
if err != nil {
return
}
systemIconSaveTunnelsToZip, err = loadSystemIcon("imageres", 165)
if err != nil {
return
}
return
}
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