allow to set a custom title for the FileDialog

Signed-off-by: Florian Thienel <[email protected]>

dialog/file.go

@@ -55,6 +55,7 @@ type fileDialogPanel interface {
 type fileDialog struct {
 	file             *FileDialog
 	fileName         textWidget
+	title            *widget.Label
 	dismiss          *widget.Button
 	open             *widget.Button
 	breadcrumb       *fyne.Container
@@ -87,6 +88,7 @@ type FileDialog struct {
 	parent           fyne.Window
 	dialog           *fileDialog
 
+	titleText                string
 	confirmText, dismissText string
 	desiredSize              fyne.Size
 	filter                   storage.FileFilter
@@ -153,6 +155,10 @@ func (f *fileDialog) makeUI() fyne.CanvasObject {
 	if f.file.isDirectory() {
 		title = label + " " + lang.L("Folder")
 	}
+	if f.file.titleText != "" {
+		title = f.file.titleText
+	}
+	f.title = widget.NewLabelWithStyle(title, fyne.TextAlignLeading, fyne.TextStyle{Bold: true})
 
 	view := ViewLayout(fyne.CurrentApp().Preferences().Int(viewLayoutKey))
 
@@ -234,9 +240,7 @@ func (f *fileDialog) makeUI() fyne.CanvasObject {
 		optionsButton,
 	)
 
-	header := container.NewBorder(nil, nil, nil, optionsbuttons,
-		optionsbuttons, widget.NewLabelWithStyle(title, fyne.TextAlignLeading, fyne.TextStyle{Bold: true}),
-	)
+	header := container.NewBorder(nil, nil, nil, optionsbuttons, optionsbuttons, f.title)
 
 	footer := container.NewBorder(nil, nil, nil, buttons,
 		buttons, container.NewHScroll(f.fileName),
@@ -745,6 +749,15 @@ func (f *FileDialog) Hide() {
 	}
 }
 
+func (f *FileDialog) SetTitleText(label string) {
+	f.titleText = label
+	if f.dialog == nil {
+		return
+	}
+	f.dialog.title.SetText(label)
+	f.dialog.win.Refresh()
+}
+
 // SetConfirmText allows custom text to be set in the confirmation button
 //
 // Since: 2.2