juce_MenuBarComponent.h

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/*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2015 - ROLI Ltd.
 
   Permission is granted to use this software under the terms of either:
   a) the GPL v2 (or any later version)
   b) the Affero GPL v3
 
   Details of these licenses can be found 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.juce.com for more information.
 
  ==============================================================================
*/
 
#ifndef JUCE_MENUBARCOMPONENT_H_INCLUDED
#define JUCE_MENUBARCOMPONENT_H_INCLUDED
 
 
//==============================================================================
class JUCE_API  MenuBarComponent  : public Component,
                                    private MenuBarModel::Listener,
                                    private Timer
{
public:
    //==============================================================================
    MenuBarComponent (MenuBarModel* model = nullptr);
 
    ~MenuBarComponent();
 
    //==============================================================================
    void setModel (MenuBarModel* newModel);
 
    MenuBarModel* getModel() const noexcept;
 
    //==============================================================================
    void showMenu (int menuIndex);
 
    //==============================================================================
    void paint (Graphics&) override;
    void resized() override;
    void mouseEnter (const MouseEvent&) override;
    void mouseExit (const MouseEvent&) override;
    void mouseDown (const MouseEvent&) override;
    void mouseDrag (const MouseEvent&) override;
    void mouseUp (const MouseEvent&) override;
    void mouseMove (const MouseEvent&) override;
    void handleCommandMessage (int commandId) override;
    bool keyPressed (const KeyPress&) override;
    void menuBarItemsChanged (MenuBarModel*) override;
    void menuCommandInvoked (MenuBarModel*, const ApplicationCommandTarget::InvocationInfo&) override;
 
private:
    //==============================================================================
    MenuBarModel* model;
 
    StringArray menuNames;
    Array<int> xPositions;
    Point<int> lastMousePos;
    int itemUnderMouse, currentPopupIndex, topLevelIndexClicked;
 
    int getItemAt (Point<int>);
    void setItemUnderMouse (int index);
    void setOpenItem (int index);
    void updateItemUnderMouse (Point<int>);
    void timerCallback() override;
    void repaintMenuItem (int index);
    void menuDismissed (int topLevelIndex, int itemId);
    static void menuBarMenuDismissedCallback (int, MenuBarComponent*, int);
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MenuBarComponent)
};
 
#endif   // JUCE_MENUBARCOMPONENT_H_INCLUDED