Add "key_press" action

Signed-off-by: Knut Ahlers <knut@ahlers.me>

cmd/streamdeck/action_keyPress.go

@@ -0,0 +1,81 @@
+package main
+
+import (
+	"strconv"
+	"time"
+
+	"github.com/pkg/errors"
+	"github.com/sashko/go-uinput"
+)
+
+func init() {
+	registerAction("key_press", actionKeyPress{})
+}
+
+type actionKeyPress struct{}
+
+func (actionKeyPress) Execute(attributes map[string]interface{}) error {
+	keys, ok := attributes["keys"].([]interface{})
+	if !ok {
+		return errors.New("No keys array present")
+	}
+
+	var (
+		delay    time.Duration
+		keyCodes []uint16
+	)
+
+	if v, ok := attributes["delay"].(string); ok {
+		if d, err := time.ParseDuration(v); err == nil {
+			delay = d
+		}
+	}
+
+	for _, k := range keys {
+		// Convert misdetections into strings
+		switch k.(type) {
+		case int:
+			k = strconv.Itoa(k.(int))
+		}
+
+		if kv, ok := k.(string); ok {
+			if kc, ok := uinputKeyMapping[kv]; ok {
+				keyCodes = append(keyCodes, kc)
+			} else {
+				return errors.Errorf("Unknown key %q", kv)
+			}
+		} else {
+			return errors.New("Unknown key type detected")
+		}
+	}
+
+	if v, ok := attributes["mod_shift"].(bool); ok && v {
+		if err := kbd.KeyDown(uinput.KeyLeftShift); err != nil {
+			return errors.Wrap(err, "Unable to set shift")
+		}
+		defer kbd.KeyUp(uinput.KeyLeftShift)
+	}
+
+	if v, ok := attributes["mod_alt"].(bool); ok && v {
+		if err := kbd.KeyDown(uinput.KeyLeftAlt); err != nil {
+			return errors.Wrap(err, "Unable to set shift")
+		}
+		defer kbd.KeyUp(uinput.KeyLeftAlt)
+	}
+
+	if v, ok := attributes["mod_ctrl"].(bool); ok && v {
+		if err := kbd.KeyDown(uinput.KeyLeftCtrl); err != nil {
+			return errors.Wrap(err, "Unable to set shift")
+		}
+		defer kbd.KeyUp(uinput.KeyLeftCtrl)
+	}
+
+	for _, kc := range keyCodes {
+		if err := kbd.KeyPress(kc); err != nil {
+			return errors.Wrap(err, "Unable to press key")
+		}
+		time.Sleep(delay)
+	}
+
+	return nil
+}

cmd/streamdeck/go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/Luzifer/streamdeck v0.0.0-20191120013804-40fbd11001d0
 	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
 	github.com/pkg/errors v0.8.1
+	github.com/sashko/go-uinput v0.0.0-20180923134002-15fcac7aa54a
 	github.com/sirupsen/logrus v1.4.2
 	github.com/spf13/pflag v1.0.5 // indirect
 	golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e // indirect

cmd/streamdeck/go.sum

@@ -13,6 +13,8 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxv
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sashko/go-uinput v0.0.0-20180923134002-15fcac7aa54a h1:AWRVuJ7oUaZdSQviWTIV14AuNzoNHrodAQjY5VTpSdk=
+github.com/sashko/go-uinput v0.0.0-20180923134002-15fcac7aa54a/go.mod h1:5XNvpYRRmWADwhphlimZLWP70oEL1f54E4Guo20fvV4=
 github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=

cmd/streamdeck/keymap.go

@@ -0,0 +1,89 @@
+package main
+
+import "github.com/sashko/go-uinput"
+
+var uinputKeyMapping = map[string]uint16{
+	`<esc>`:    uinput.KeyEsc,
+	`1`:        uinput.Key1,
+	`2`:        uinput.Key2,
+	`3`:        uinput.Key3,
+	`4`:        uinput.Key4,
+	`5`:        uinput.Key5,
+	`6`:        uinput.Key6,
+	`7`:        uinput.Key7,
+	`8`:        uinput.Key8,
+	`9`:        uinput.Key9,
+	`0`:        uinput.Key0,
+	`-`:        uinput.KeyMinus,
+	`=`:        uinput.KeyEqual,
+	`<bsp>`:    uinput.KeyBackspace,
+	`<tab>`:    uinput.KeyTab,
+	`q`:        uinput.KeyQ,
+	`w`:        uinput.KeyW,
+	`e`:        uinput.KeyE,
+	`r`:        uinput.KeyR,
+	`t`:        uinput.KeyT,
+	`y`:        uinput.KeyY,
+	`u`:        uinput.KeyU,
+	`i`:        uinput.KeyI,
+	`o`:        uinput.KeyO,
+	`p`:        uinput.KeyP,
+	`[`:        uinput.KeyLeftBrace,
+	`]`:        uinput.KeyRightBrace,
+	`<enter>`:  uinput.KeyEnter,
+	`<lctrl>`:  uinput.KeyLeftCtrl,
+	`a`:        uinput.KeyA,
+	`s`:        uinput.KeyS,
+	`d`:        uinput.KeyD,
+	`f`:        uinput.KeyF,
+	`g`:        uinput.KeyG,
+	`h`:        uinput.KeyH,
+	`j`:        uinput.KeyJ,
+	`k`:        uinput.KeyK,
+	`l`:        uinput.KeyL,
+	`;`:        uinput.KeySemicolon,
+	`'`:        uinput.KeyApostrophe,
+	``:         uinput.KeyGrave,
+	`<lshift>`: uinput.KeyLeftShift,
+	`\`:        uinput.KeyBackslash,
+	`z`:        uinput.KeyZ,
+	`x`:        uinput.KeyX,
+	`c`:        uinput.KeyC,
+	`v`:        uinput.KeyV,
+	`b`:        uinput.KeyB,
+	`n`:        uinput.KeyN,
+	`m`:        uinput.KeyM,
+	`,`:        uinput.KeyComma,
+	`.`:        uinput.KeyDot,
+	`/`:        uinput.KeySlash,
+	`<rshift>`: uinput.KeyRightShift,
+	`<lalt>`:   uinput.KeyLeftAlt,
+	`<space>`:  uinput.KeySpace,
+	`<caps>`:   uinput.KeyCapsLock,
+	`f1`:       uinput.KeyF1,
+	`f2`:       uinput.KeyF2,
+	`f3`:       uinput.KeyF3,
+	`f4`:       uinput.KeyF4,
+	`f5`:       uinput.KeyF5,
+	`f6`:       uinput.KeyF6,
+	`f7`:       uinput.KeyF7,
+	`f8`:       uinput.KeyF8,
+	`f9`:       uinput.KeyF9,
+	`f10`:      uinput.KeyF10,
+	`<num>`:    uinput.KeyNumLock,
+	`<scroll>`: uinput.KeyScrollLock,
+	`f11`:      uinput.KeyF11,
+	`f12`:      uinput.KeyF12,
+	`f13`:      uinput.KeyF13,
+	`f14`:      uinput.KeyF14,
+	`f15`:      uinput.KeyF15,
+	`f16`:      uinput.KeyF16,
+	`f17`:      uinput.KeyF17,
+	`f18`:      uinput.KeyF18,
+	`f19`:      uinput.KeyF19,
+	`f20`:      uinput.KeyF20,
+	`f21`:      uinput.KeyF21,
+	`f22`:      uinput.KeyF22,
+	`f23`:      uinput.KeyF23,
+	`f24`:      uinput.KeyF24,
+}

cmd/streamdeck/main.go

@@ -7,6 +7,7 @@ import (
 	"github.com/Luzifer/rconfig/v2"
 	"github.com/Luzifer/streamdeck"
 	"github.com/pkg/errors"
+	"github.com/sashko/go-uinput"
 	log "github.com/sirupsen/logrus"
 	"gopkg.in/yaml.v2"
 )
@@ -25,6 +26,8 @@ var (
 
 	sd *streamdeck.Client
 
+	kbd uinput.Keyboard
+
 	version = "dev"
 )
 
@@ -58,6 +61,13 @@ func main() {
 
 	userConfFile.Close()
 
+	// Initalize control devices
+	kbd, err = uinput.CreateKeyboard()
+	if err != nil {
+		log.WithError(err).Fatal("Unable to create uinput keyboard")
+	}
+	defer kbd.Close()
+
 	// Initialize device
 	sd, err = streamdeck.New(streamdeck.StreamDeckOriginalV2)
 	if err != nil {