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93 lines
3.3 KiB
93 lines
3.3 KiB
11 years ago
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_RELATIVECOORDINATEPOSITIONER_H_INCLUDED
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#define JUCE_RELATIVECOORDINATEPOSITIONER_H_INCLUDED
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//==============================================================================
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/**
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Base class for Component::Positioners that are based upon relative coordinates.
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*/
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class JUCE_API RelativeCoordinatePositionerBase : public Component::Positioner,
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public ComponentListener,
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public MarkerList::Listener
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{
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public:
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RelativeCoordinatePositionerBase (Component& component);
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~RelativeCoordinatePositionerBase();
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void componentMovedOrResized (Component&, bool, bool);
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void componentParentHierarchyChanged (Component&);
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void componentChildrenChanged (Component& component);
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void componentBeingDeleted (Component& component);
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void markersChanged (MarkerList*);
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void markerListBeingDeleted (MarkerList* markerList);
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void apply();
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bool addCoordinate (const RelativeCoordinate& coord);
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bool addPoint (const RelativePoint& point);
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//==============================================================================
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/** Used for resolving a RelativeCoordinate expression in the context of a component. */
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class ComponentScope : public Expression::Scope
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{
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public:
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ComponentScope (Component& component);
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Expression getSymbolValue (const String& symbol) const;
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void visitRelativeScope (const String& scopeName, Visitor& visitor) const;
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String getScopeUID() const;
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protected:
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Component& component;
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Component* findSiblingComponent (const String& componentID) const;
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private:
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JUCE_DECLARE_NON_COPYABLE (ComponentScope)
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};
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protected:
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virtual bool registerCoordinates() = 0;
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virtual void applyToComponentBounds() = 0;
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private:
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class DependencyFinderScope;
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friend class DependencyFinderScope;
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Array <Component*> sourceComponents;
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Array <MarkerList*> sourceMarkerLists;
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bool registeredOk;
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void registerComponentListener (Component& comp);
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void registerMarkerListListener (MarkerList* const list);
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void unregisterListeners();
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (RelativeCoordinatePositionerBase)
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};
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#endif // JUCE_RELATIVECOORDINATEPOSITIONER_H_INCLUDED
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