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windows: add GetShellWindow and GetWindowThreadProcessId

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I am trying to implement

https://devblogs.microsoft.com/oldnewthing/20190425-00/?p=102443

so I need these functions.

Change-Id: Id5082e4cc450569ffd021f4a300d56de325e4952
Reviewed-on: https://go-review.googlesource.com/c/sys/+/280717
Trust: Alex Brainman <alex.brainman@gmail.com>
Trust: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Alex Brainman
2021-01-06 18:08:16 +11:00
committed by Brad Fitzpatrick
parent 16f7687f50
commit 0df2131ae3
2 changed files with 16 additions and 0 deletions
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2
windows/syscall_windows.go
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@@ -213,6 +213,8 @@ func NewCallbackCDecl(fn interface{}) uintptr {
//sys CancelIoEx(s Handle, o *Overlapped) (err error)
//sys CreateProcess(appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) = CreateProcessW
//sys OpenProcess(desiredAccess uint32, inheritHandle bool, processId uint32) (handle Handle, err error)
//sys GetWindowThreadProcessId(wnd uintptr, pid *uint32) (tid uint32) = user32.GetWindowThreadProcessId
//sys GetShellWindow() (desktopWindow uintptr) = user32.GetShellWindow
//sys ShellExecute(hwnd Handle, verb *uint16, file *uint16, args *uint16, cwd *uint16, showCmd int32) (err error) [failretval<=32] = shell32.ShellExecuteW
//sys shGetKnownFolderPath(id *KNOWNFOLDERID, flags uint32, token Token, path **uint16) (ret error) = shell32.SHGetKnownFolderPath
//sys TerminateProcess(handle Handle, exitcode uint32) (err error)

14
windows/zsyscall_windows.go
View File

@@ -341,6 +341,8 @@ var (
procSHGetKnownFolderPath = modshell32.NewProc("SHGetKnownFolderPath")
procShellExecuteW = modshell32.NewProc("ShellExecuteW")
procExitWindowsEx = moduser32.NewProc("ExitWindowsEx")
procGetShellWindow = moduser32.NewProc("GetShellWindow")
procGetWindowThreadProcessId = moduser32.NewProc("GetWindowThreadProcessId")
procMessageBoxW = moduser32.NewProc("MessageBoxW")
procCreateEnvironmentBlock = moduserenv.NewProc("CreateEnvironmentBlock")
procDestroyEnvironmentBlock = moduserenv.NewProc("DestroyEnvironmentBlock")
@@ -2896,6 +2898,18 @@ func ExitWindowsEx(flags uint32, reason uint32) (err error) {
return
}
func GetShellWindow() (desktopWindow uintptr) {
r0, _, _ := syscall.Syscall(procGetShellWindow.Addr(), 0, 0, 0, 0)
desktopWindow = uintptr(r0)
return
}
func GetWindowThreadProcessId(wnd uintptr, pid *uint32) (tid uint32) {
r0, _, _ := syscall.Syscall(procGetWindowThreadProcessId.Addr(), 2, uintptr(wnd), uintptr(unsafe.Pointer(pid)), 0)
tid = uint32(r0)
return
}
func MessageBox(hwnd Handle, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) {
r0, _, e1 := syscall.Syscall6(procMessageBoxW.Addr(), 4, uintptr(hwnd), uintptr(unsafe.Pointer(text)), uintptr(unsafe.Pointer(caption)), uintptr(boxtype), 0, 0)
ret = int32(r0)