feat(term): input: support OSC52 request events

charmbracelet · Apr 8, 2024 · e9202e3 · e9202e3
1 parent c2c5fe8
commit e9202e3
Show file tree

Hide file tree

Showing 4 changed files with 26 additions and 1 deletion.
diff --git a/exp/term/examples/readinput/main.go b/exp/term/examples/readinput/main.go
@@ -105,6 +105,8 @@ OUT:
 						execute(ansi.EnableWin32Input)
 					}
 					win32Input = !win32Input
+				case "c" == prev && "c" == curr:
+					execute(ansi.RequestClipboard('c'))
 				case prev == "k":
 					switch curr {
 					case "0":
@@ -228,7 +230,7 @@ OUT:
 		}
 
 		for _, e := range events {
-			log.Printf("%v, %#v\r\n", e, e)
+			log.Printf("%T %#v\r\n", e, e)
 		}
 
 		// Store last keypress

diff --git a/exp/term/input/clipboard.go b/exp/term/input/clipboard.go
@@ -0,0 +1,9 @@
+package input
+
+// ClipboardEvent is a clipboard read event.
+type ClipboardEvent string
+
+// String returns the string representation of the clipboard event.
+func (e ClipboardEvent) String() string {
+	return string(e)
+}
diff --git a/exp/term/input/parse.go b/exp/term/input/parse.go
@@ -1,6 +1,8 @@
 package input
 
 import (
+	"encoding/base64"
+	"strings"
 	"unicode/utf8"
 
 	"github.com/charmbracelet/x/exp/term/ansi"
@@ -595,6 +597,17 @@ func parseOsc(b []byte) (int, Event) {
 		return i, BackgroundColorEvent{xParseColor(data)}
 	case 12:
 		return i, CursorColorEvent{xParseColor(data)}
+	case 52:
+		parts := strings.Split(data, ";")
+		if len(parts) == 0 {
+			return i, ClipboardEvent("")
+		}
+		b64 := parts[len(parts)-1]
+		bts, err := base64.StdEncoding.DecodeString(b64)
+		if err != nil {
+			return i, ClipboardEvent("")
+		}
+		return i, ClipboardEvent(bts)
 	default:
 		return i, UnknownOscEvent(b[:i])
 	}

diff --git a/go.work.sum b/go.work.sum
@@ -8,6 +8,7 @@ golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.13.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.16.0 h1:m+B6fahuftsE9qjo0VWp2FW0mB3MTJvR0BaMQrq0pmE=
 golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=