This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 123]

CPCManFM::BulkRenamer
▼CFm::FileLauncher
CPCManFM::Launcher
CPCManFM::FolderSettings
▼CFm::FolderView
▼CPCManFM::View
CPCManFM::DesktopWindow
▼CFm::ProxyFolderModelFilter
CPCManFM::ProxyFilter
▼CQApplication
CPCManFM::Application
▼CQDialog
CPCManFM::AutoRunDialog
CPCManFM::BulkRenameDialog
CPCManFM::ConnectServerDialog
CPCManFM::DesktopEntryDialog
CPCManFM::DesktopPreferencesDialog
CPCManFM::PreferencesDialog
▼CQFrame
CPCManFM::ViewFrame
▼CQLabel
CPCManFM::Label
▼CQLineEdit
CPCManFM::FilterEdit
▼CQMainWindow
CPCManFM::MainWindow
▼CQObject
CPCManFM::Settings
CXdgDir
▼CQProxyStyle
CPCManFM::ProxyStyle
▼CQStatusBar
CPCManFM::StatusBar
▼CQTabBar
CPCManFM::TabBar
▼CQWidget
CPCManFM::FilterBar
CPCManFM::TabPage