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line endings switch, and add missed stubs / go.mod update
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,159 +1,159 @@ | ||
| //go:build windows | ||
|
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| package backend | ||
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| /* | ||
| #cgo CFLAGS: -I . | ||
| void btn_callback_cgo(int in); | ||
| void seek_callback_cgo(int in); | ||
| */ | ||
| import "C" | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "unsafe" | ||
|
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| "golang.org/x/sys/windows" | ||
| ) | ||
|
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| type SMTCPlaybackState int | ||
| type SMTCButton int | ||
|
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| const ( | ||
| // constants from smtc.h in github.com/supersonic-app/smtc-dll | ||
| SMTCPlaybackStateStopped SMTCPlaybackState = 2 | ||
| SMTCPlaybackStatePlaying SMTCPlaybackState = 3 | ||
| SMTCPlaybackStatePaused SMTCPlaybackState = 4 | ||
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| SMTCButtonPlay SMTCButton = 0 | ||
| SMTCButtonPause SMTCButton = 1 | ||
| SMTCButtonStop SMTCButton = 2 | ||
| SMTCButtonPrevious SMTCButton = 4 | ||
| SMTCButtonNext SMTCButton = 5 | ||
| ) | ||
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| type SMTC struct { | ||
| dll *windows.DLL | ||
|
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| onButtonPressed func(SMTCButton) | ||
| onSeek func(int) | ||
| } | ||
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| var smtcInstance *SMTC | ||
|
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| func InitSMTCForWindow(hwnd uintptr) (*SMTC, error) { | ||
| dll, err := windows.LoadDLL("smtc.dll") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| proc, err := dll.FindProc("InitializeForWindow") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| hr, _, _ := proc.Call(hwnd, uintptr(unsafe.Pointer(C.btn_callback_cgo)), uintptr(unsafe.Pointer(C.seek_callback_cgo))) | ||
| if hr < 0 { | ||
| return nil, fmt.Errorf("InitializeForWindow failed with HRESULT=%d", hr) | ||
| } | ||
|
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| smtcInstance = &SMTC{dll: dll} | ||
| return smtcInstance, nil | ||
| } | ||
|
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| func (s *SMTC) OnButtonPressed(f func(SMTCButton)) { | ||
| s.onButtonPressed = f | ||
| } | ||
|
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| func (s *SMTC) OnSeek(f func(millis int)) { | ||
| s.onSeek = f | ||
| } | ||
|
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| func (s *SMTC) Shutdown() { | ||
| if s.dll == nil { | ||
| return | ||
| } | ||
| proc, err := s.dll.FindProc("Destroy") | ||
| if err == nil { | ||
| proc.Call() | ||
| } | ||
|
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| s.dll.Release() | ||
| s.dll = nil | ||
| smtcInstance = nil | ||
| } | ||
|
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| func (s *SMTC) UpdatePlaybackState(state SMTCPlaybackState) error { | ||
| if s.dll == nil { | ||
| return errors.New("SMTC DLL not available") | ||
| } | ||
|
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| proc, err := s.dll.FindProc("UpdatePlaybackState") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| if hr, _, _ := proc.Call(uintptr(state)); hr < 0 { | ||
| return fmt.Errorf("UpdatePlaybackState failed with HRESULT=%d", hr) | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (s *SMTC) UpdateMetadata(title, artist string) error { | ||
| if s.dll == nil { | ||
| return errors.New("SMTC DLL not available") | ||
| } | ||
|
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| utfTitle, err := windows.UTF16PtrFromString(title) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| utfArtist, err := windows.UTF16PtrFromString(artist) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| proc, err := s.dll.FindProc("UpdateMetadata") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| hr, _, _ := proc.Call(uintptr(unsafe.Pointer(utfTitle)), uintptr(unsafe.Pointer(utfArtist))) | ||
| if hr < 0 { | ||
| return fmt.Errorf("UpdateMetadata failed with HRESULT=%d", hr) | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (s *SMTC) UpdatePosition(positionMillis, durationMillis int) error { | ||
| if s.dll == nil { | ||
| return errors.New("SMTC DLL not available") | ||
| } | ||
|
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| proc, err := s.dll.FindProc("UpdatePosition") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| hr, _, _ := proc.Call(uintptr(positionMillis), uintptr(durationMillis)) | ||
| if hr < 0 { | ||
| return fmt.Errorf("UpdatePosition failed with HRESULT=%d", hr) | ||
| } | ||
| return nil | ||
| } | ||
|
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| //export btnCallback | ||
| func btnCallback(in int) { | ||
| if smtcInstance != nil && smtcInstance.onButtonPressed != nil { | ||
| smtcInstance.onButtonPressed(SMTCButton(in)) | ||
| } | ||
| } | ||
|
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| //export seekCallback | ||
| func seekCallback(millis int) { | ||
| if smtcInstance != nil && smtcInstance.onSeek != nil { | ||
| smtcInstance.onSeek(millis) | ||
| } | ||
| } | ||
| //go:build windows | ||
|
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||
| package backend | ||
|
|
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| /* | ||
| #cgo CFLAGS: -I . | ||
| void btn_callback_cgo(int in); | ||
| void seek_callback_cgo(int in); | ||
| */ | ||
| import "C" | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "unsafe" | ||
|
|
||
| "golang.org/x/sys/windows" | ||
| ) | ||
|
|
||
| type SMTCPlaybackState int | ||
| type SMTCButton int | ||
|
|
||
| const ( | ||
| // constants from smtc.h in github.com/supersonic-app/smtc-dll | ||
| SMTCPlaybackStateStopped SMTCPlaybackState = 2 | ||
| SMTCPlaybackStatePlaying SMTCPlaybackState = 3 | ||
| SMTCPlaybackStatePaused SMTCPlaybackState = 4 | ||
|
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||
| SMTCButtonPlay SMTCButton = 0 | ||
| SMTCButtonPause SMTCButton = 1 | ||
| SMTCButtonStop SMTCButton = 2 | ||
| SMTCButtonPrevious SMTCButton = 4 | ||
| SMTCButtonNext SMTCButton = 5 | ||
| ) | ||
|
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||
| type SMTC struct { | ||
| dll *windows.DLL | ||
|
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| onButtonPressed func(SMTCButton) | ||
| onSeek func(int) | ||
| } | ||
|
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| var smtcInstance *SMTC | ||
|
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| func InitSMTCForWindow(hwnd uintptr) (*SMTC, error) { | ||
| dll, err := windows.LoadDLL("smtc.dll") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| proc, err := dll.FindProc("InitializeForWindow") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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||
| hr, _, _ := proc.Call(hwnd, uintptr(unsafe.Pointer(C.btn_callback_cgo)), uintptr(unsafe.Pointer(C.seek_callback_cgo))) | ||
| if hr < 0 { | ||
| return nil, fmt.Errorf("InitializeForWindow failed with HRESULT=%d", hr) | ||
| } | ||
|
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| smtcInstance = &SMTC{dll: dll} | ||
| return smtcInstance, nil | ||
| } | ||
|
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| func (s *SMTC) OnButtonPressed(f func(SMTCButton)) { | ||
| s.onButtonPressed = f | ||
| } | ||
|
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| func (s *SMTC) OnSeek(f func(millis int)) { | ||
| s.onSeek = f | ||
| } | ||
|
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||
| func (s *SMTC) Shutdown() { | ||
| if s.dll == nil { | ||
| return | ||
| } | ||
| proc, err := s.dll.FindProc("Destroy") | ||
| if err == nil { | ||
| proc.Call() | ||
| } | ||
|
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||
| s.dll.Release() | ||
| s.dll = nil | ||
| smtcInstance = nil | ||
| } | ||
|
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| func (s *SMTC) UpdatePlaybackState(state SMTCPlaybackState) error { | ||
| if s.dll == nil { | ||
| return errors.New("SMTC DLL not available") | ||
| } | ||
|
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| proc, err := s.dll.FindProc("UpdatePlaybackState") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| if hr, _, _ := proc.Call(uintptr(state)); hr < 0 { | ||
| return fmt.Errorf("UpdatePlaybackState failed with HRESULT=%d", hr) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (s *SMTC) UpdateMetadata(title, artist string) error { | ||
| if s.dll == nil { | ||
| return errors.New("SMTC DLL not available") | ||
| } | ||
|
|
||
| utfTitle, err := windows.UTF16PtrFromString(title) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| utfArtist, err := windows.UTF16PtrFromString(artist) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| proc, err := s.dll.FindProc("UpdateMetadata") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| hr, _, _ := proc.Call(uintptr(unsafe.Pointer(utfTitle)), uintptr(unsafe.Pointer(utfArtist))) | ||
| if hr < 0 { | ||
| return fmt.Errorf("UpdateMetadata failed with HRESULT=%d", hr) | ||
| } | ||
| return nil | ||
| } | ||
|
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||
| func (s *SMTC) UpdatePosition(positionMillis, durationMillis int) error { | ||
| if s.dll == nil { | ||
| return errors.New("SMTC DLL not available") | ||
| } | ||
|
|
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| proc, err := s.dll.FindProc("UpdatePosition") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| hr, _, _ := proc.Call(uintptr(positionMillis), uintptr(durationMillis)) | ||
| if hr < 0 { | ||
| return fmt.Errorf("UpdatePosition failed with HRESULT=%d", hr) | ||
| } | ||
| return nil | ||
| } | ||
|
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| //export btnCallback | ||
| func btnCallback(in int) { | ||
| if smtcInstance != nil && smtcInstance.onButtonPressed != nil { | ||
| smtcInstance.onButtonPressed(SMTCButton(in)) | ||
| } | ||
| } | ||
|
|
||
| //export seekCallback | ||
| func seekCallback(millis int) { | ||
| if smtcInstance != nil && smtcInstance.onSeek != nil { | ||
| smtcInstance.onSeek(millis) | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,16 +1,16 @@ | ||
| //go:build windows | ||
|
|
||
| package backend | ||
|
|
||
| /* | ||
| void btn_callback_cgo(int in) { | ||
| void btnCallback(int); | ||
| btnCallback(in); | ||
| } | ||
| void seek_callback_cgo(int in) { | ||
| void seekCallback(int); | ||
| seekCallback(in); | ||
| } | ||
| */ | ||
| import "C" | ||
| //go:build windows | ||
|
|
||
| package backend | ||
|
|
||
| /* | ||
| void btn_callback_cgo(int in) { | ||
| void btnCallback(int); | ||
| btnCallback(in); | ||
| } | ||
| void seek_callback_cgo(int in) { | ||
| void seekCallback(int); | ||
| seekCallback(in); | ||
| } | ||
| */ | ||
| import "C" |
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