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

[detail level 123]

▼CFileLauncher
CPCManFM::Launcher
CPCManFM::FolderSettings
▼CFolderView
▼CPCManFM::View
CPCManFM::DesktopWindow
▼CProxyFolderModelFilter
CPCManFM::ProxyFilter
▼CQApplication
CPCManFM::Application
▼CQDialog
CPCManFM::AutoRunDialog
CPCManFM::DesktopPreferencesDialog
CPCManFM::PreferencesDialog
▼CQMainWindow
CPCManFM::MainWindow
▼CQObject
CPCManFM::Settings
CXdgDir
▼CQProxyStyle
CPCManFM::ProxyStyle
▼CQStyledItemDelegate
CPCManFM::DesktopItemDelegate
▼CQTabBar
CPCManFM::TabBar
▼CQWidget
CPCManFM::TabPage