dvui › DialogsDialogsFields#mutex:Io.MutexIo.Mutexstack:std.ArrayList(Dialog)std.ArrayList(Dialog)Types#DialogIdMutexIteratorFunctions#addAdd a dialog to be displayed on the GUI thread during Window.end. removeOnly called from gui thread. iteratorindexOfSubwindowFinds the index of the first dialog with the specific subwindow_id, or null if none exists showRuns the display function for all the current dialogs deinit