revelation/filepick.go

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2025-02-27 10:52:51 -03:00
package main
import (
"fmt"
"log"
"os"
"github.com/godbus/dbus/v5"
)
func SelectFile() string {
conn, err := dbus.ConnectSessionBus()
if err != nil {
fmt.Fprintln(os.Stderr, "Failed to connect to session bus:", err)
os.Exit(1)
}
defer conn.Close()
token := "revelation"
options := map[string]dbus.Variant{
"handle_token": dbus.MakeVariant(token),
"title": dbus.MakeVariant("Choose file"),
}
obj := conn.Object("org.freedesktop.portal.Desktop", "/org/freedesktop/portal/desktop")
call := obj.Call("org.freedesktop.portal.FileChooser.OpenFile", 0, "revelation", "", options)
if call.Err != nil {
log.Fatalf("Failed to trigger file picker: %v", call.Err)
}
replyPath := call.Body[0].(dbus.ObjectPath)
err = conn.AddMatchSignal(
dbus.WithMatchOption("interface", "org.freedesktop.portal.Request"),
dbus.WithMatchOption("member", "Response"),
dbus.WithMatchOption("path", string(replyPath)),
)
if err != nil {
log.Fatalf("Failed to add match signal: %v", err)
}
c := make(chan *dbus.Signal, 1)
conn.Signal(c)
for signal := range c {
if signal.Path == replyPath && signal.Name == "org.freedesktop.portal.Request.Response" {
reply := signal.Body
if len(reply) > 1 {
results, ok := reply[1].(map[string]dbus.Variant)
if ok {
if urisVariant, exists := results["uris"]; exists {
uris, ok := urisVariant.Value().([]string)
if ok && len(uris) > 0 {
return uris[0]
} else {
return ""
}
}
}
}
break
}
}
return ""
}