khenaidoo | ab1f7bd | 2019-11-14 14:00:27 -0500 | [diff] [blame] | 1 | // +build windows |
| 2 | |
| 3 | package sequences |
| 4 | |
| 5 | import ( |
| 6 | "syscall" |
| 7 | "unsafe" |
| 8 | ) |
| 9 | |
| 10 | var ( |
| 11 | kernel32Dll *syscall.LazyDLL = syscall.NewLazyDLL("Kernel32.dll") |
| 12 | setConsoleMode *syscall.LazyProc = kernel32Dll.NewProc("SetConsoleMode") |
| 13 | ) |
| 14 | |
| 15 | func EnableVirtualTerminalProcessing(stream syscall.Handle, enable bool) error { |
| 16 | const ENABLE_VIRTUAL_TERMINAL_PROCESSING uint32 = 0x4 |
| 17 | |
| 18 | var mode uint32 |
| 19 | err := syscall.GetConsoleMode(syscall.Stdout, &mode) |
| 20 | if err != nil { |
| 21 | return err |
| 22 | } |
| 23 | |
| 24 | if enable { |
| 25 | mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING |
| 26 | } else { |
| 27 | mode &^= ENABLE_VIRTUAL_TERMINAL_PROCESSING |
| 28 | } |
| 29 | |
| 30 | ret, _, err := setConsoleMode.Call(uintptr(unsafe.Pointer(stream)), uintptr(mode)) |
| 31 | if ret == 0 { |
| 32 | return err |
| 33 | } |
| 34 | |
| 35 | return nil |
| 36 | } |