Add support for handle tokens

filechooser/open.go

@@ -10,6 +10,7 @@ const openFileCallName = fileChooserCallName + ".OpenFile"
 
 // OpenFileOptions contains the options for how files are to be selected.
 type OpenFileOptions struct {
+	HandleToken   string // A string that will be used as the last element of the handle. Must be a valid object path element.
 	AcceptLabel   string // Label for the accept button. Mnemonic underlines are allowed.
 	NotModal      bool   // Whether the dialog should not be modal.
 	Multiple      bool   // Whether multiple files can be selected or not.
@@ -31,6 +32,10 @@ func OpenFile(parentWindow, title string, options *OpenFileOptions) ([]string, e
 		"directory": dbus.MakeVariant(options.Directory),
 	}
 
+	if options.HandleToken != "" {
+		data["handle_token"] = dbus.MakeVariant(options.HandleToken)
+	}
+
 	if options.AcceptLabel != "" {
 		data["accept_label"] = dbus.MakeVariant(options.AcceptLabel)
 	}

filechooser/save.go

@@ -13,6 +13,7 @@ const (
 
 // SaveFileOptions contains the options for how a file is saved.
 type SaveFileOptions struct {
+	HandleToken   string // A string that will be used as the last element of the handle. Must be a valid object path element.
 	AcceptLabel   string // Label for the accept button. Mnemonic underlines are allowed.
 	NotModal      bool   // Whether the dialog should not be modal.
 	CurrentName   string // Suggested name of the file.
@@ -31,6 +32,10 @@ func SaveFile(parentWindow, title string, options *SaveFileOptions) ([]string, e
 		"modal": dbus.MakeVariant(!options.NotModal),
 	}
 
+	if options.HandleToken != "" {
+		data["handle_token"] = dbus.MakeVariant(options.HandleToken)
+	}
+
 	if options.AcceptLabel != "" {
 		data["accept_label"] = dbus.MakeVariant(options.AcceptLabel)
 	}
@@ -54,6 +59,7 @@ func SaveFile(parentWindow, title string, options *SaveFileOptions) ([]string, e
 
 // SaveFilesOptions contains the options for how files are saved.
 type SaveFilesOptions struct {
+	HandleToken   string // A string that will be used as the last element of the handle. Must be a valid object path element.
 	AcceptLabel   string // Label for the accept button. Mnemonic underlines are allowed.
 	NotModal      bool   // Whether the dialog should be modal.
 	CurrentFolder string // Suggested folder in which the file should be saved.
@@ -71,6 +77,10 @@ func SaveFiles(parentWindow, title string, options *SaveFilesOptions) ([]string,
 		"modal": dbus.MakeVariant(!options.NotModal),
 	}
 
+	if options.HandleToken != "" {
+		data["handle_token"] = dbus.MakeVariant(options.HandleToken)
+	}
+
 	if options.AcceptLabel != "" {
 		data["accept_label"] = dbus.MakeVariant(options.AcceptLabel)
 	}