- Extending Qt Creator Manual
- Qt Creator C++ Classes
- Extending Qt Creator Manual 14.0.0

# Qt Creator C++ Classes

## Namespaces

Aggregation | Contains support for bundling related components, so that each component exposes the properties and behavior of the other components to the outside
Core | Contains all classes that make up the Core plugin which constitute the basic functionality of Qt Creator
Core::MessageManager | Used to post messages in the General Messages pane
Core::SettingsDatabase | Offers an alternative to the application-wide QSettings that is more suitable for storing large amounts of data
ExtensionSystem | Classes that belong to the core plugin system
Layouting | Contains classes and functions to conveniently create layouts in code
Utils | Contains a collection of utility classes and functions for use by all plugins
Utils::MathUtils | Contains functions for interpolation

## Classes

Aggregation::Aggregate | Defines a collection of related components that can be viewed as a unit
Core::ActionBuilder | Convienience class to set up Core::Commands
Core::ActionContainer | Represents a menu or menu bar in Qt Creator
Core::ActionManager | Responsible for registration of menus and menu items and keyboard shortcuts
Core::BaseFileWizard | Implements a is a convenience class for creating files
Core::BaseFileWizardFactory | Implements a generic wizard for creating files
Core::BaseTextDocument | Very general base class for documents that work with text
Core::BaseTextFind | Implements a find filter for QPlainTextEdit and QTextEdit based widgets
Core::Command | Represents an action, such as a menu item, tool button, or shortcut
Core::Context | Implements a list of context IDs
Core::DesignMode | Implements the mode for the Design mode, which is for example used by Qt Quick Designer and Qt Widgets Designer
Core::DocumentManager | Manages a set of documents
Core::EditorManager | Manages the editors created for files according to their MIME type
Core::EditorManagerPlaceHolder | Used to integrate an editor area into a mode
Core::FileChangeBlocker | Blocks all change notifications to all IDocument objects that match the given filename
Core::FutureProgress | Used to adapt the appearance of progress indicators that were created through the ProgressManager class
Core::GeneratedFile | Represents a file generated by a wizard
Core::IContext | Associates a widget with a context list and context help
Core::ICore | Allows access to the different parts that make up the basic functionality of Qt Creator
Core::IDocument | Describes a document that can be saved and reloaded
Core::IEditor | Interface for editing an open document in Qt Creator
Core::IEditorFactory | Creates suitable editors for documents according to their MIME type
Core::IFeatureProvider | Defines an interface to manage features for wizards
Core::IFindFilter | The base class for find implementations that are invoked by selecting Edit > Find/Replace > Advanced Find
Core::IFindSupport | Functions for searching in a document or widget
Core::ILocatorFilter | Adds a locator filter
Core::IMode | Represents a mode in Qt Creator
Core::INavigationWidgetFactory | New instances of navigation widgets
Core::IOptionsPage | Interface for providing pages for the Options dialog (called Preferences on macOS)
Core::IOptionsPageWidget | Used to standardize the interaction between an IOptionsPage and its widget
Core::IOutputPane | Interface for providing Output panes
Core::IWizardFactory | The base class for all wizard factories
Core::LocatorFileCache | Encapsulates all the responsibilities needed for implementing a cache for file filters
Core::MiniSplitter | Simple helper-class to obtain macOS style 1-pixel wide splitters
Core::ModeManager | Manages the activation of modes and the actions in the mode selector's tool bar
Core::NonResizingSplitter | MiniSplitter that keeps its first widget's size fixed when it is resized
Core::ProcessProgress | Responsible for showing progress of the running process
Core::ProgressManager | Used to show a user interface for running tasks in Qt Creator
Core::SearchResult | Reports user interaction, such as the activation of a search result item
Core::SearchResultWindow | The implementation of a commonly shared Search Results output pane
Core::SessionManager | Manages sessions
Core::TaskProgress | Responsible for showing progress of the running task tree
Core::WizardDialogParameters | Holds parameters for the new file wizard dialog
ExtensionSystem::IPlugin | Abstract base class that must be implemented once for each plugin
ExtensionSystem::PluginArgumentDescription | PluginArgumentDescriptions class holds a list of descriptions of command line arguments that a plugin processes
ExtensionSystem::PluginDependency | Contains the name and required compatible version number of a plugin's dependency
ExtensionSystem::PluginDetailsView | Implements a widget that displays the contents of a PluginSpec
ExtensionSystem::PluginErrorView | Implements a widget that displays the state and error message of a PluginSpec
ExtensionSystem::PluginManager | Implements the core plugin system that manages the plugins, their life cycle, and their registered objects
ExtensionSystem::PluginSpec | Contains the information of the plugin's embedded meta data and information about the plugin's current state
ExtensionSystem::PluginView | Implements a widget that shows a list of all plugins and their state
Layouting::Layout
Layouting::LayoutItem
Layouting::Space | Represents some empty space in a layout
Layouting::Stretch | Represents some stretch in a layout
Layouting::Widget
Utils::Action | Intended for actions that act on a 'current', string-type parameter (typically a file name), for example 'Save file %1'
Utils::AnsiEscapeCodeHandler | Parses text and extracts ANSI escape codes from it
Utils::AspectContainer | Wraps one or more aspects while providing the interface of a single aspect
Utils::BaseAspect | Common base for classes implementing aspects
Utils::BoolAspect | A boolean aspect is a boolean property of some object, together with a description of its behavior for common operations like visualizing or persisting
Utils::CheckableMessageBox | Implements a message box suitable for questions with a Do not ask again or Do not show again checkbox
Utils::ClassNameValidatingLineEdit | Implements a line edit that validates a C++ class name and emits a signal to derive suggested file names from it
Utils::ColorAspect | A color aspect is a color property of some object, together with a description of its behavior for common operations like visualizing or persisting
Utils::CommandLine | Represents a command line of a QProcess or similar utility
Utils::CompletingTextEdit | QTextEdit with auto-completion support
Utils::DetailsWidget | Implements a button to expand a Details area
Utils::DoubleAspect | An double aspect is a numerical property of some object, together with a description of its behavior for common operations like visualizing or persisting
Utils::ElidingLabel | Label suitable for displaying elided text
Utils::Environment | Sets Qt Creator's system environment
Utils::FakeToolTip | Widget that pretends to be a tooltip
Utils::FancyLineEdit | Enhanced line edit with several opt-in features
Utils::FancyMainWindow | MainWindow with dock widgets and additional "lock" functionality (locking the dock widgets in place) and "reset layout" functionality
Utils::FileInProjectFinder | Helper class to find the original file in the project directory for a given file URL
Utils::FileNameValidatingLineEdit | Control that lets the user choose a (base) file name, based on a QLineEdit
Utils::FilePath | Abstraction for handles to objects in a (possibly remote) file system, similar to a URL or, in the local case, a path to a file or directory
Utils::FilePathAspect | A file path aspect is shallow wrapper around a Utils::StringAspect that represents a file in the file system
Utils::FilePathListAspect | A filepath list aspect represents a property of some object that is a list of filepathList
Utils::FileSystemWatcher | File watcher that internally uses a centralized QFileSystemWatcher and enforces limits on Mac OS
Utils::FileUtils | Contains file and directory related convenience functions
Utils::FileWizardPage | Standard wizard page for a single file letting the user choose name and path
Utils::FutureSynchronizer | Enhanced version of QFutureSynchronizer
Utils::Guard | Implements a recursive guard with locking mechanism
Utils::HeaderViewStretcher | Fixes QHeaderView to resize all columns to contents, except one stretching column
Utils::Id | Encapsulates an identifier that is unique within a specific running Qt Creator process
Utils::IntegerAspect | An integer aspect is a integral property of some object, together with a description of its behavior for common operations like visualizing or persisting
Utils::ListView | Adds setActivationMode to QListView to allow for single click/double click behavior on platforms where the default is different. Use with care
Utils::ListWidget | Adds setActivationMode to QListWidget to allow for single click/double click behavior on platforms where the default is different. Use with care
Utils::MacroExpander | Manages Qt Creator wide variables, that a user can enter into many string settings. The variables are replaced by an actual value when the string is used, similar to how environment variables are expanded by a shell
Utils::MultiSelectionAspect | A multi-selection aspect represents one or more choices out of several
Utils::NavigationTreeView | Implements a general TreeView for any sidebar widget
Utils::NetworkAccessManager | Network access manager for use with Qt Creator
Utils::OptionPushButton | Implements a QPushButton for which the menu is only opened if the user presses the menu indicator
Utils::PathChooser | Control that lets the user choose a path. The control consist of a QLineEdit and a "Browse" button, and is optionally able to perform variable substitution
Utils::PathListEditor | Control that lets the user edit a list of (directory) paths using the platform separator (';',':')
Utils::PersistentSettingsReader | Reads a QVariantMap of arbitrary, nested data structures from an XML file
Utils::PersistentSettingsWriter | Serializes a Store of arbitrary, nested data structures to an XML file
Utils::Port | Implements a wrapper around a 16 bit port number to be used in conjunction with IP addresses
Utils::Process | Functionality for with processes
Utils::ProcessArgs | Functionality for dealing with shell-quoted process arguments
Utils::ProcessHandle | Helper class to describe a process
Utils::ProjectIntroPage | The standard wizard page for a project, letting the user choose its name and path
Utils::QrcCache | Caches the contents of parsed QRC files
Utils::QrcParser | Parses one or more QRC files and keeps their content cached
Utils::QtcSettings | Extension of the QSettings class the uses Utils::Key instead of QString for keys
Utils::SelectionAspect | A selection aspect represents a specific choice out of several
Utils::StatusLabel | Displays messages for a while with a timeout
Utils::StringAspect | A string aspect is a string-like property of some object, together with a description of its behavior for common operations like visualizing or persisting
Utils::StringListAspect | A string list aspect represents a property of some object that is a list of strings
Utils::TextDisplay | A text display is a phony aspect with the sole purpose of providing some text display using an Utils::InfoLabel in places where otherwise more expensive Utils::StringAspect items would be used
Utils::TextFieldCheckBox | Aheckbox that plays with QWizard::registerField
Utils::TextFieldComboBox | Non-editable combo box for text editing purposes that plays with QWizard::registerField (providing a settable 'text' property)
Utils::TextFileFormat | Describes the format of a text file and provides autodetection
Utils::ToggleAspect | A toggle aspect is a boolean property of some object, together with a description of its behavior for common operations like visualizing or persisting. It also contains independent tooltips, icons and text for the action() according to the on / off state of the aspect
Utils::TreeModel | Convienience base class for models to use in a QTreeView
Utils::TreeView | Adds setActivationMode to QTreeView to allow for single click/double click behavior on platforms where the default is different. Use with care
Utils::TreeWidget | Adds setActivationMode to QTreeWidget to allow for single click/double click behavior on platforms where the default is different. Use with care
Utils::TriStateAspect | A tristate aspect is a property of some object that can have three values: enabled, disabled, and unspecified
Utils::TypedAspect | Helper class for implementing a simple aspect
Utils::VariableChooser | Used to add a tool window for selecting Qt Creator variables to line edits, text edits or plain text edits
Utils::Wizard | Implements a wizard with a progress bar on the left
Utils::WizardPage | QWizardPage with a couple of improvements

This topic lists the documented Qt Creator C++ classes. For information about the classes that have not been documented, please inspect the source code.