lukajankovic/remote-touchpad
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minor refactoring

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This commit is contained in:
Unrud 2018-08-23 17:12:33 +02:00
parent 67e1f31362
commit 1787e573cb
1 changed files with 11 additions and 11 deletions
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22
plugin_windows.go
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@ -47,6 +47,11 @@ const (
scrollMult int = 6 scrollMult int = 6
) )
var (
user32DLL = syscall.NewLazyDLL("user32.dll")
sendInputProc = user32DLL.NewProc("SendInput")
)
type mouseInput struct { type mouseInput struct {
typ uintptr // HACK: padded uint32 typ uintptr // HACK: padded uint32
@ -65,16 +70,11 @@ type keybdInput struct {
padding [8]byte padding [8]byte
} }
type windowsPlugin struct { type windowsPlugin struct{}
userDLL *syscall.LazyDLL
sendInputProc *syscall.LazyProc
}
func InitWindowsPlugin() (Plugin, error) { func InitWindowsPlugin() (Plugin, error) {
p := &windowsPlugin{} p := &windowsPlugin{}
p.userDLL = syscall.NewLazyDLL("user32.dll") if err := sendInputProc.Find(); err != nil {
p.sendInputProc = p.userDLL.NewProc("SendInput")
if err := p.sendInputProc.Find(); err != nil {
return nil, UnsupportedPlatformError{err} return nil, UnsupportedPlatformError{err}
} }
return p, nil return p, nil
@ -98,7 +98,7 @@ func (p *windowsPlugin) KeyboardText(text string) error {
inputs[i].dwFlags |= keyeventfKeyup inputs[i].dwFlags |= keyeventfKeyup
} }
} }
if r, _, err := p.sendInputProc.Call(uintptr(len(inputs)), if r, _, err := sendInputProc.Call(uintptr(len(inputs)),
uintptr(unsafe.Pointer(&inputs[0])), uintptr(unsafe.Pointer(&inputs[0])),
unsafe.Sizeof(inputs[0])); int(r) != len(inputs) { unsafe.Sizeof(inputs[0])); int(r) != len(inputs) {
return err return err
@ -125,7 +125,7 @@ func (p *windowsPlugin) PointerButton(button uint, press bool) error {
} else { } else {
return errors.New("unsupported pointer button") return errors.New("unsupported pointer button")
} }
if r, _, err := p.sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)), if r, _, err := sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)),
unsafe.Sizeof(input)); int(r) != 1 { unsafe.Sizeof(input)); int(r) != 1 {
return err return err
} }
@ -139,7 +139,7 @@ func (p *windowsPlugin) PointerMove(deltaX, deltaY int) error {
dy: int32(deltaY), dy: int32(deltaY),
dwFlags: mouseeventfMove, dwFlags: mouseeventfMove,
} }
if r, _, err := p.sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)), if r, _, err := sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)),
unsafe.Sizeof(input)); int(r) != 1 { unsafe.Sizeof(input)); int(r) != 1 {
return err return err
} }
@ -165,7 +165,7 @@ func (p *windowsPlugin) PointerScroll(deltaHorizontal, deltaVertical int) error
if len(inputs) == 0 { if len(inputs) == 0 {
return nil return nil
} }
if r, _, err := p.sendInputProc.Call(uintptr(len(inputs)), if r, _, err := sendInputProc.Call(uintptr(len(inputs)),
uintptr(unsafe.Pointer(&inputs[0])), uintptr(unsafe.Pointer(&inputs[0])),
unsafe.Sizeof(inputs[0])); int(r) != len(inputs) { unsafe.Sizeof(inputs[0])); int(r) != len(inputs) {
return err return err