/
cmd_color.go
58 lines (48 loc) · 1.38 KB
/
cmd_color.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
//+build windows
package main
import (
"fmt"
"log"
"os"
"syscall"
"unsafe"
)
// https://docs.microsoft.com/en-us/windows/console/console-virtual-terminal-sequences#samples
// go run _examples/ref/cmd_color.go
func main() {
err := EnableVirtualTerminalProcessing(syscall.Stdout, true)
if err != nil {
fmt.Println(err)
log.Fatal(err)
}
//noinspection GoUnhandledErrorResult
defer EnableVirtualTerminalProcessing(syscall.Stdout, false)
fmt.Println("\x1b[34mHello \x1b[35mWorld\x1b[0m!")
_, _ = fmt.Fprintf(os.Stdout, "\x1b[34mHello \x1b[35mWorld\x1b[0m!\n")
}
var (
kernel32Dll *syscall.LazyDLL = syscall.NewLazyDLL("Kernel32.dll")
setConsoleMode *syscall.LazyProc = kernel32Dll.NewProc("SetConsoleMode")
)
// https://docs.microsoft.com/zh-cn/windows/console/console-virtual-terminal-sequences#samples
// from github.com/konsorten/go-windows-terminal-sequences
// Usage:
// EnableVirtualTerminalProcessing()
func EnableVirtualTerminalProcessing(stream syscall.Handle, enable bool) error {
const EnableVirtualTerminalProcessing uint32 = 0x4
var mode uint32
err := syscall.GetConsoleMode(syscall.Stdout, &mode)
if err != nil {
return err
}
if enable {
mode |= EnableVirtualTerminalProcessing
} else {
mode &^= EnableVirtualTerminalProcessing
}
ret, _, err := setConsoleMode.Call(uintptr(unsafe.Pointer(stream)), uintptr(mode))
if ret == 0 {
return err
}
return nil
}