Add xgbsel as dependency

x/selection.go

@@ -0,0 +1,26 @@
+package x
+
+import "io"
+import "strings"
+import "git.tebibyte.media/tomo/xgbsel/v2"
+import "git.tebibyte.media/tomo/tomo/data"
+
+type selectionData struct {
+	data data.Data
+}
+
+func (this selectionData) Convert (target xgbsel.Target) (io.ReadSeekCloser, bool) {
+	mimeStr, _ := target.ToMime()
+	ty, subty, _ := strings.Cut(string(mimeStr), "/")
+	mime := data.M(ty, subty)
+	stream, ok := this.data[mime]
+	stream.Seek(0, io.SeekStart)
+	return stream, ok
+}
+
+func (this selectionData) Supported () (targets []xgbsel.Target) {
+	for mime := range this.data {
+		targets = append(targets, xgbsel.MimeToTargets(mime.String())...)
+	}
+	return targets
+}