JUCE/modules/juce_gui_basics/layout/juce_GroupComponent.h

/*
  ==============================================================================

   This file is part of the JUCE library - "Jules' Utility Class Extensions"
   Copyright 2004-11 by Raw Material Software Ltd.

  ------------------------------------------------------------------------------

   JUCE can be redistributed and/or modified under the terms of the GNU General
   Public License (Version 2), as published by the Free Software Foundation.
   A copy of the license is included in the JUCE distribution, or can be found
   online at www.gnu.org/licenses.

   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

  ------------------------------------------------------------------------------

   To release a closed-source product which uses JUCE, commercial licenses are
   available: visit www.rawmaterialsoftware.com/juce for more information.

  ==============================================================================
*/

#ifndef __JUCE_GROUPCOMPONENT_JUCEHEADER__
#define __JUCE_GROUPCOMPONENT_JUCEHEADER__

#include "../components/juce_Component.h"


//==============================================================================
/**
    A component that draws an outline around itself and has an optional title at
    the top, for drawing an outline around a group of controls.

*/
class JUCE_API  GroupComponent    : public Component
{
public:
    //==============================================================================
    /** Creates a GroupComponent.

        @param componentName    the name to give the component
        @param labelText        the text to show at the top of the outline
    */
    GroupComponent (const String& componentName = String::empty,
                    const String& labelText = String::empty);

    /** Destructor. */
    ~GroupComponent();

    //==============================================================================
    /** Changes the text that's shown at the top of the component. */
    void setText (const String& newText);

    /** Returns the currently displayed text label. */
    String getText() const;

    /** Sets the positioning of the text label.

        (The default is Justification::left)

        @see getTextLabelPosition
    */
    void setTextLabelPosition (const Justification& justification);

    /** Returns the current text label position.

        @see setTextLabelPosition
    */
    const Justification getTextLabelPosition() const noexcept           { return justification; }

    //==============================================================================
    /** A set of colour IDs to use to change the colour of various aspects of the component.

        These constants can be used either via the Component::setColour(), or LookAndFeel::setColour()
        methods.

        @see Component::setColour, Component::findColour, LookAndFeel::setColour, LookAndFeel::findColour
    */
    enum ColourIds
    {
        outlineColourId     = 0x1005400,    /**< The colour to use for drawing the line around the edge. */
        textColourId        = 0x1005410     /**< The colour to use to draw the text label. */
    };

    //==============================================================================
    struct Ids
    {
        static const Identifier tagType, text, justification;
    };

    void refreshFromValueTree (const ValueTree&, ComponentBuilder&);

    //==============================================================================
    /** @internal */
    void paint (Graphics& g);
    /** @internal */
    void enablementChanged();
    /** @internal */
    void colourChanged();

private:
    String text;
    Justification justification;

    JUCE_DECLARE_NON_COPYABLE (GroupComponent);
};


#endif   // __JUCE_GROUPCOMPONENT_JUCEHEADER__