| ►CBaseFileSeeker | |
| CCanRefreshServer | |
| CChatLogArchive | |
| CChatLogRotate | |
| CChatLogsCfg | |
| CChatNetworkNamer | |
| CChatNetworksCfg | |
| CClipboard | Wrapper on QApplication::clipboard() with convenience appliances | 
| CColumnSort | |
| CComboBoxEx | Convenience methods for combo box | 
| CCommandLine | Class used for manipulating command line as it should appear in shell or cmd prompt | 
| CCommandLineInfo | Structure holding parameters for application launch | 
| CCommandLineTokenizer | Splits command line into separate arguments in a manner appropriate for current OS | 
| CCommonGUI | |
| CCreateServerDialogApi | Plugin proxy for CreateServerDialog | 
| CCustomServerInfo | |
| CDataPaths | Represents directories used by Doomseeker to store data | 
| CDataPaths::DirErrno | Struct which contains the relevant QDir, the errno reported, and the QString generated by the errno | 
| CDataStreamOperatorWrapper | Wraps around QDataStream stream operators to provide cleaner reading interface | 
| CDMFlag | A game setting that is a part of a group of settings that can be OR'ed logically as a single integer | 
| CDMFlagsSection | A group of DMFlag objects that can be safely OR'ed together to form a meaningful value | 
| CDoomseekerConfig | This Singleton holds entire Doomseeker configuration in memory | 
| CDoomseekerConfig::AutoUpdates | |
| CDoomseekerConfig::DoomseekerCfg | |
| CDoomseekerConfig::ServerFilter | |
| CDoomseekerConfig::WadseekerCfg | |
| CDoomseekerFilePaths | Static class responsible for retrieving paths to data files used by Doomseeker | 
| CEnginePlugin | |
| CEnginePlugin::Data | |
| CExeFilePath | A simple executable path & working dir structure | 
| CFileAlias | |
| CFileAliasList | |
| CFilePickWidget::NeighbourStrategy | |
| CFileSearchPath | |
| CFileUtils | |
| CGameCreateParams | Game parametrization data used when creating new games | 
| CGameCVar | A general game setting or variable (like fraglimit) | 
| CGameDemo | |
| CGameFile | Game file definition allows to browse this file in configuration box | 
| CGameFileList | GameFile collection | 
| CGameMode | Game mode representation | 
| CHostPort | |
| CIniSection | INI section representation | 
| CIniVariable | INI variable representation | 
| CIP2C::IP2CData | |
| CIP2CCountryInfo | Flag and name of the country | 
| CIP2CParser::ConstructorDestructorParserStateSetter | Sets states for IP2C when being constructed and destructed | 
| CIRCCompletionResult | |
| CIRCConfig | This Singleton holds most of Doomseeker IRC configuration in memory | 
| CIRCConfig::AppearanceCfg | |
| CIRCConfig::GeneralCfg | |
| CIRCConfig::PersonalCfg | |
| CIRCConfig::SoundsCfg | |
| CIRCGlobal | |
| CIRCISupportParser | |
| CIRCMessageClass | |
| CIRCNetworkConnectionInfo | Struct containing information about client's connection to the IRC server | 
| CIRCNetworkEntity | Data structure that describes and defines a connection to an IRC network or server | 
| CIRCNicknameCompleter | |
| CIRCResponseParseResult | Result info generated by the IRCResponseParser | 
| CIRCResponseType | Defines types of IRC network response message | 
| CIRCSounds | Part of IRC UI package. Plays IRC related sounds | 
| CIRCUserInfo | Holds information flags about given nickname | 
| CIRCUserList | Allows to perform operation on a list of users | 
| CIRCUserListModel | |
| CIRCUserPrefix | One-to-one association of visible prefixes to user mode | 
| CJoinError | Indicator of error for the server join process | 
| CLocalization | |
| CLocalizationInfo | |
| CMessage | Message object used to pass messages throughout the Doomseeker's system | 
| CMessage::Type | One of possible, Doomseeker recognizable error types | 
| CPasswordsCfg | |
| CPathFinder | Performs a case-insensitive (OS independent) file searches | 
| CPathFinderResult | Result of multiple file search operation done by PathFinder | 
| CPlayer | Data structure that holds information about players in a server | 
| CPlayersDiagramStyle | |
| CPlayersList | |
| CPluginLoader | |
| CPluginLoader::Plugin | |
| CPrivData< T > | |
| CPWad | PWAD hosted on a server | 
| ►CQApplication | |
| ►CQComboBox | |
| ►CQDialog | |
| ►CQDockWidget | |
| ►CQLabel | |
| ►CQLineEdit | |
| ►CQList | |
| ►CQListView | |
| ►CQMainWindow | |
| ►CQMenu | |
| ►CQObject | |
| ►CQPushButton | |
| ►CQScopedPointer | |
| ►CQSortFilterProxyModel | |
| ►CQStandardItemModel | |
| ►CQTableView | |
| ►CQTableWidget | |
| ►CQTableWidgetItem | |
| ►CQTabWidget | |
| ►CQThread | |
| CQtJson::Json | A JSON data parser | 
| CQtMetaPointer | |
| CQuerySpeed | |
| ►CQWidget | |
| CRandom | Random values generator | 
| CScanner | Scanner reads scripts by checking individual tokens | 
| CScanner::ParserState | |
| CServerConnectParams | A DTO for GameClientRunner; exchanges information between main program and plugins, and allows future extensions | 
| CServerListColumn | |
| CServerListCount | |
| CServerListFilterInfo | Structure describing server filter | 
| CServerPassword | |
| CServerPasswordSummary | |
| CServerPasswordType | |
| CServerSummary | |
| ►CSettingsProvider | |
| CSkill | Game difficulty setting | 
| CSpeedCalculator | |
| CStrings | |
| ►CTestBase | Base class for all Test classes | 
| CTestIniFixture | |
| CTestRuns | Use this class to execute test runs | 
| CUpdateChannel | |
| CUpdatePackage | |
| CUpdaterScriptParser | Interface to Mendeley updater .xml script files | 
| CUtf8Splitter | Splits valid arrays of UTF-8 characters into smaller arrays without splitting in-between chars | 
| CVersion | Provides interface for plugins and for Doomseeker itself to obtain version information on the program | 
| CVersionDump | |
| CWadFindResult | |
| CWadPathFinder | Wrapper for PathFinder that specializes in findings WADs |