74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
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// Example copy shows how to place text data in the CLIPBOARD selection.
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package main
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import "os"
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import "io"
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import "log"
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import "bytes"
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import "github.com/jezek/xgbutil"
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import "github.com/jezek/xgb/xproto"
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import "git.tebibyte.media/tomo/xgbsel"
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import "github.com/jezek/xgbutil/xprop"
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import "github.com/jezek/xgbutil/xevent"
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import "github.com/jezek/xgbutil/xwindow"
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// data is a very basic implementation of xgbsel.Data that only serves data of
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// one type.
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type data struct {
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buffer io.ReadSeekCloser
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mime string
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}
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func (this *data) Convert (target xgbsel.Target) (io.ReadSeekCloser, bool) {
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if mime, _ := target.ToMime(); mime == this.mime {
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return this.buffer, true
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} else {
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return nil, false
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}
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}
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func (this *data) Supported () []xgbsel.Target {
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return xgbsel.MimeToTargets(this.mime)
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}
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// nopSeekCloser is like io.NopCloser but for an io.ReadSeeker.
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type nopSeekCloser struct { io.ReadSeeker }
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func (nopSeekCloser) Close () error { return nil }
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func main () {
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// get data from user
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log.Println("enter data, ^D when done: ")
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buffer, _ := io.ReadAll(os.Stdin)
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data := &data {
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buffer: nopSeekCloser {
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ReadSeeker: bytes.NewReader(buffer),
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},
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mime: "text/plain",
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}
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// establish connection
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X, err := xgbutil.NewConn()
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if err != nil {
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log.Fatal(err)
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}
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// create window
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window, err := xwindow.Generate(X)
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if err != nil {
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log.Fatalln("could not generate a new window X id:", err)
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}
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window.Create(X.RootWin(), 0, 0, 500, 500, xproto.CwBackPixel, 0xffffffff)
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// obtain claim on CLIPBOARD
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log.Println("obtaining claim")
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clipboard, _ := xprop.Atm(X, "CLIPBOARD")
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claim := xgbsel.NewClaim(window, clipboard, data)
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// listen for events
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window.Listen(xproto.EventMaskPropertyChange)
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xevent.SelectionRequestFun(claim.HandleSelectionRequest).Connect(X, window.Id)
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log.Println("running main event loop")
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xevent.Main(X)
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}
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