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Listens to the global hotkey MEDIA_PLAY_PAUSE and toggles mumble's self mute.
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| package main | |
| import ( | |
| "fmt" | |
| "os" | |
| "os/exec" | |
| "syscall" | |
| "time" | |
| "unsafe" | |
| ) | |
| type ( | |
| HANDLE uintptr | |
| HWND HANDLE | |
| ) | |
| var ( | |
| user32dll = syscall.NewLazyDLL("user32.dll") | |
| procGetMessage = user32dll.NewProc("GetMessageW") | |
| procRegisterHotKey = user32dll.NewProc("RegisterHotKey") | |
| ) | |
| type MSG struct { | |
| Hwnd HWND | |
| Message uint32 | |
| WParam uintptr | |
| LParam uintptr | |
| Time uint32 | |
| Pt struct{ X, Y int64 } | |
| } | |
| func registerHotKey(hWnd HWND, id int, fsModifiers uint, vk uint) bool { | |
| // modifiers: https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-registerhotkey#parameters | |
| // kecodes: https://docs.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes | |
| ret, _, _ := procRegisterHotKey.Call( | |
| uintptr(hWnd), | |
| uintptr(id), | |
| uintptr(fsModifiers), | |
| uintptr(vk), | |
| ) | |
| return ret != 0 | |
| } | |
| func getMessage(msg *MSG, hwnd HWND, msgFilterMin, msgFilterMax uint32) int { | |
| ret, _, _ := procGetMessage.Call( | |
| uintptr(unsafe.Pointer(msg)), | |
| uintptr(hwnd), | |
| uintptr(msgFilterMin), | |
| uintptr(msgFilterMax)) | |
| return int(ret) | |
| } | |
| func main() { | |
| // default Mumble binary | |
| mumblePath := "c:\\Program Files\\Mumble\\mumble.exe" | |
| // can be overwritten by first command line argument | |
| if len(os.Args) > 1 { | |
| mumblePath = os.Args[1] | |
| } | |
| if _, err := os.Stat(mumblePath); os.IsNotExist(err) { | |
| fmt.Printf("Path to mumble doesn't exists: %s", mumblePath) | |
| return | |
| } | |
| var msg MSG | |
| regOk := registerHotKey(0, 42030, 0x0, 0xB3) | |
| if !regOk { | |
| fmt.Println("Cant register hotkey!") | |
| return | |
| } | |
| fmt.Printf("Okay, using Mumble at: %s\n", mumblePath) | |
| for { | |
| ok := getMessage(&msg, 0, 0, 0) | |
| if ok != 1 { | |
| time.Sleep(time.Millisecond * 50) | |
| continue | |
| } | |
| switch msg.WParam { | |
| case 42030: | |
| fmt.Println("Toggle.") | |
| cmdInstance := exec.Command("cmd", "/c", mumblePath, "rpc", "togglemute") | |
| cmdInstance.SysProcAttr = &syscall.SysProcAttr{HideWindow: true} | |
| err := cmdInstance.Run() | |
| if err != nil { | |
| fmt.Printf("ERROR: %s\n", err.Error()) | |
| } | |
| } | |
| } | |
| } |
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