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Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
RelativeCoordinatePositionerBase::ComponentScope Class Reference
juce_gui_basics » positioning

Used for resolving a RelativeCoordinate expression in the context of a component. More...

`#include <juce_RelativeCoordinatePositioner.h>`

Inheritance diagram for RelativeCoordinatePositionerBase::ComponentScope:

## Public Member Functions
| ComponentScope (Component &)
Expression | getSymbolValue (const String &symbol) const override
| Returns the value of a symbol.
void | visitRelativeScope (const String &scopeName, Visitor &) const override
| Creates a Scope object for a named scope, and then calls a visitor to do some kind of processing with this new scope.
String | getScopeUID () const override
| Returns some kind of globally unique ID that identifies this scope.
Public Member Functions inherited from Expression::Scope
| Scope ()
virtual | ~Scope ()
virtual double | evaluateFunction (const String &functionName, const double *parameters, int numParameters) const
| Executes a named function.

## Protected Member Functions
Component * | findSiblingComponent (const String &componentID) const

## Protected Attributes
Component & | component

## Detailed Description

Used for resolving a RelativeCoordinate expression in the context of a component.

## Constructor & Destructor Documentation

## ◆ ComponentScope()

RelativeCoordinatePositionerBase::ComponentScope::ComponentScope | ( | Component & |  | ) |

## Member Function Documentation

## ◆ getSymbolValue()

Expression RelativeCoordinatePositionerBase::ComponentScope::getSymbolValue | ( | const String & | symbol | ) | const
| override virtual

Returns the value of a symbol.

If the symbol is unknown, this can throw an Expression::EvaluationError exception. The member value is set to the part of the symbol that followed the dot, if there is one, e.g. for "foo.bar", symbol = "foo" and member = "bar".

Exceptions

  Expression::EvaluationError |

Reimplemented from Expression::Scope.

## ◆ visitRelativeScope()

void RelativeCoordinatePositionerBase::ComponentScope::visitRelativeScope | ( | const String & | scopeName,
|  | Visitor & | visitor ) const
| override virtual

Creates a Scope object for a named scope, and then calls a visitor to do some kind of processing with this new scope.

If the name is valid, this method must create a suitable (temporary) Scope object to represent it, and must call the Visitor::visit() method with this new scope.

Reimplemented from Expression::Scope.

## ◆ getScopeUID()

String RelativeCoordinatePositionerBase::ComponentScope::getScopeUID | ( |  | ) | const
| override virtual

Returns some kind of globally unique ID that identifies this scope.

Reimplemented from Expression::Scope.

## ◆ findSiblingComponent()

Component * RelativeCoordinatePositionerBase::ComponentScope::findSiblingComponent | ( | const String & | componentID | ) | const
| protected

## Member Data Documentation

## ◆ component

Component& RelativeCoordinatePositionerBase::ComponentScope::component
| protected

The documentation for this class was generated from the following file:

- juce_RelativeCoordinatePositioner.h