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

[detail level 1234]

CYQPkgObjList::ExcludeRule
CHistoryItemCollector
▼CQCheckBox
CYQPkgMultiVersion
▼CQDialog
▼CYQPkgChangesDialog	Changes dialog: Show a dialog with a list of packages that are changed
CYQPkgUnsupportedPackagesDialog
CYQPkgConflictDialog	Dialog that takes care of dependency checking and resolving conflicts
CYQPkgDescriptionDialog	Pkg status and description as a standalone popup dialog
CYQPkgDiskUsageWarningDialog	Warning dialog about partitions that are getting full or overflowing
CYQPkgHistoryDialog	Pkg status and History as a standalone popup dialog
CYQPkgProductDialog	Products list with dependencies details view
CYQPkgTextDialog	Dialog that shows a scrolled (HTML) text
▼CQFrame
▼CYQPackageSelectorBase	Abstract base class for package selectors
CYQPackageSelector
CYQPatternSelector
CYQSimplePatchSelector
CYQPkgConflict	Root item for each individual conflict
▼CQItemDelegate
CYQPkgPatchItemDelegate
CYQPkgPatternItemDelegate
▼CQRadioButton
CYQPkgVersion
▼CQScrollArea
CYQPkgConflictList	Display package dependency conflicts in a tree list and let the user choose how to resolve each conflict
CYQPkgSearchFilterView	Filter view for searching within packages
CYQPkgStatusFilterView	Filter view for packages that made problems during update
CYQPkgVersionsView	Package version selector: Display a list of available versions from all the different installation sources and let the user change the candidate version for installation / update
▼CQTabWidget
CYQPkgFilterTab	Widget for "tabbed browsing" in packages:
▼CQTextBrowser
▼CYQPkgGenericDetailsView	Abstract base class for details views
CYQPkgChangeLogView	Display a pkg's file list
CYQPkgDependenciesView	Display technical details ( very much like 'rpm -qi' ) for a zypp::Package object - the installed instance, the candidate instance or both ( in two columns ) if both exist
▼CYQPkgDescriptionView	Display the description of a ZyppObj derived object along with its name and summary
CYQPkgSelDescriptionView	Display the description of a zypp::ResObject derived object along with its name and summary
CYQPkgFileListView	Display a pkg's file list
CYQPkgTechnicalDetailsView	Display technical details (very much like 'rpm -qi') for a ZYPP object - the installed instance, the candidate instance or both ( in two columns ) if both exist
CYQPkgUpdateProblemFilterView	Filter view for packages that made problems during update
▼CQTreeWidget
CYQPkgClassFilterView	Filter view for package classes (categories) like suggested, recommended, orphaned etc
▼CQTreeWidgetItem
CYQPkgClassItem
▼CQWidget
CYQPkgPatchFilterView	Display a list of zypp::Patch objects and ( below ) details about the currently selected patch
▼CYQPkgSecondaryFilterView	This is a base class for filter views containing a secondary filter
CYQPkgRepoFilterView
CYQPkgServiceFilterView	A widget to display a libzypp servic filter view
▼CQY2DiskUsageList
CYQPkgDiskUsageList	List of disk usage of all attached partitions
▼CQY2DiskUsageListItem
CYQPkgDiskUsageListItem
▼CQY2ListView
▼CYQPkgObjList	Abstract base class to display a list of zypp::ResObjects
CYQPkgLangList	Display a list of zypp::Selection objects
CYQPkgList	Display a list of zypp::Package objects
CYQPkgPatchList	Display a list of zypp::Patch objects
CYQPkgPatternList	Display a list of zypp::Pattern objects
CYQPkgProductList	Display a list of zypp::Product objects
CYQPkgSelList	Display a list of zypp::Selection objects
CYQPkgRepoList	Display a list of libzypp repositories
CYQPkgServiceList	A widget to display a list of libzypp services
▼CQY2ListViewItem
▼CYQPkgObjListItem
CYQPkgLangListItem
CYQPkgListItem
CYQPkgPatchListItem
CYQPkgPatternListItem
CYQPkgProductListItem
CYQPkgSelListItem
CYQPkgPatchCategoryItem
CYQPkgPatternCategoryItem
CYQPkgRepoListItem
CYQPkgServiceListItem
▼CYEventFilter
CYQPkgSelWmCloseHandler	Helper class: Event filter for the WM_CLOSE event
▼CYPackageSelector
CYQPackageSelectorBase	Abstract base class for package selectors
▼CYPackageSelectorPlugin
CYQPackageSelectorPlugin	Simplified access to the Qt UI's package selector plugin
CYQIconPool
▼CYQPackageSelectorPluginIf
CYQPackageSelectorPluginImpl
CYQPkgFilterPage	Helper class for filter pages
CYQPkgFilters	Zypp filtering helpers
CYQPkgFilterTabPrivate
CYQPkgSelMapper	Mapping from ZyppPkg to the correspoinding ZyppSel
CYQPkgWarningRangeNotifier	Helper class to manage warnings that are to be issued when a value enters a predefined range, but repeated only when that value leaves a (wider) "proximity" range and then re-enters the (narrower) "inner" range