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wails/v2/internal/system/operatingsystem/os_windows.go
2025-01-21 21:15:24 +02:00

68 lines
1.7 KiB
Go

//go:build windows
package operatingsystem
import (
"fmt"
"strings"
"syscall"
"unsafe"
"golang.org/x/sys/windows"
"golang.org/x/sys/windows/registry"
)
func stripNulls(str string) string {
// Split the string into substrings at each null character
substrings := strings.Split(str, "\x00")
// Join the substrings back into a single string
strippedStr := strings.Join(substrings, "")
return strippedStr
}
func mustStringToUTF16Ptr(input string) *uint16 {
input = stripNulls(input)
result, err := syscall.UTF16PtrFromString(input)
if err != nil {
panic(err)
}
return result
}
func getBranding() string {
var modBranding = syscall.NewLazyDLL("winbrand.dll")
var brandingFormatString = modBranding.NewProc("BrandingFormatString")
windowsLong := mustStringToUTF16Ptr("%WINDOWS_LONG%\x00")
ret, _, _ := brandingFormatString.Call(
uintptr(unsafe.Pointer(windowsLong)),
)
return windows.UTF16PtrToString((*uint16)(unsafe.Pointer(ret)))
}
func platformInfo() (*OS, error) {
// Default value
var result OS
result.ID = "Unknown"
result.Name = "Windows"
result.Version = "Unknown"
// Credit: https://stackoverflow.com/a/33288328
// Ignore errors as it isn't a showstopper
key, _ := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
productName, _, _ := key.GetStringValue("ProductName")
currentBuild, _, _ := key.GetStringValue("CurrentBuildNumber")
displayVersion, _, _ := key.GetStringValue("DisplayVersion")
releaseId, _, _ := key.GetStringValue("ReleaseId")
result.Name = productName
result.Version = fmt.Sprintf("%s (Build: %s)", releaseId, currentBuild)
result.ID = displayVersion
result.Branding = getBranding()
return &result, key.Close()
}