juce_LookAndFeel.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_LOOKANDFEEL_H_INCLUDED
#define JUCE_LOOKANDFEEL_H_INCLUDED
 
//==============================================================================
struct JUCE_API  ExtraLookAndFeelBaseClasses
{
    //==============================================================================
    struct JUCE_API  LassoComponentMethods
    {
        virtual ~LassoComponentMethods() {}
 
        virtual void drawLasso (Graphics&, Component& lassoComp) = 0;
    };
 
    //==============================================================================
    struct JUCE_API  KeyMappingEditorComponentMethods
    {
        virtual ~KeyMappingEditorComponentMethods() {}
 
        virtual void drawKeymapChangeButton (Graphics&, int width, int height, Button&, const String& keyDescription) = 0;
    };
 
    //==============================================================================
    struct JUCE_API  AudioDeviceSelectorComponentMethods
    {
        virtual ~AudioDeviceSelectorComponentMethods() {}
 
        virtual void drawLevelMeter (Graphics&, int width, int height, float level) = 0;
    };
};
 
 
//==============================================================================
class JUCE_API  LookAndFeel   : public ScrollBar::LookAndFeelMethods,
                                public Button::LookAndFeelMethods,
                                public ImageButton::LookAndFeelMethods,
                                public TextEditor::LookAndFeelMethods,
                                public FileBrowserComponent::LookAndFeelMethods,
                                public TreeView::LookAndFeelMethods,
                                public BubbleComponent::LookAndFeelMethods,
                                public AlertWindow::LookAndFeelMethods,
                                public PopupMenu::LookAndFeelMethods,
                                public ComboBox::LookAndFeelMethods,
                                public Label::LookAndFeelMethods,
                                public Slider::LookAndFeelMethods,
                                public ResizableWindow::LookAndFeelMethods,
                                public DocumentWindow::LookAndFeelMethods,
                                public TooltipWindow::LookAndFeelMethods,
                                public TabbedButtonBar::LookAndFeelMethods,
                                public PropertyComponent::LookAndFeelMethods,
                                public FilenameComponent::LookAndFeelMethods,
                                public GroupComponent::LookAndFeelMethods,
                                public TableHeaderComponent::LookAndFeelMethods,
                                public CallOutBox::LookAndFeelMethods,
                                public Toolbar::LookAndFeelMethods,
                                public ConcertinaPanel::LookAndFeelMethods,
                                public ProgressBar::LookAndFeelMethods,
                                public StretchableLayoutResizerBar::LookAndFeelMethods,
                                public ExtraLookAndFeelBaseClasses::KeyMappingEditorComponentMethods,
                                public ExtraLookAndFeelBaseClasses::AudioDeviceSelectorComponentMethods,
                                public ExtraLookAndFeelBaseClasses::LassoComponentMethods
{
public:
    //==============================================================================
    LookAndFeel();
 
    virtual ~LookAndFeel();
 
    //==============================================================================
    static LookAndFeel& getDefaultLookAndFeel() noexcept;
 
    static void setDefaultLookAndFeel (LookAndFeel* newDefaultLookAndFeel) noexcept;
 
    //==============================================================================
    Colour findColour (int colourId) const noexcept;
 
    void setColour (int colourId, Colour colour) noexcept;
 
    bool isColourSpecified (int colourId) const noexcept;
 
    //==============================================================================
    virtual Typeface::Ptr getTypefaceForFont (const Font&);
 
    void setDefaultSansSerifTypefaceName (const String& newName);
 
    //==============================================================================
    virtual MouseCursor getMouseCursorFor (Component&);
 
    //==============================================================================
    virtual LowLevelGraphicsContext* createGraphicsContext (const Image& imageToRenderOn,
                                                            const Point<int>& origin,
                                                            const RectangleList<int>& initialClip);
 
    void setUsingNativeAlertWindows (bool shouldUseNativeAlerts);
    bool isUsingNativeAlertWindows();
 
    //==============================================================================
    virtual void drawSpinningWaitAnimation (Graphics&, const Colour& colour,
                                            int x, int y, int w, int h) = 0;
 
    //==============================================================================
    virtual Path getTickShape (float height) = 0;
    virtual Path getCrossShape (float height) = 0;
 
    //==============================================================================
    virtual DropShadower* createDropShadowerForComponent (Component*) = 0;
 
    //==============================================================================
    virtual void playAlertSound();
 
private:
    //==============================================================================
    friend class WeakReference<LookAndFeel>;
    WeakReference<LookAndFeel>::Master masterReference;
 
    struct ColourSetting
    {
        int colourID;
        Colour colour;
 
        bool operator<  (const ColourSetting& other) const noexcept  { return colourID <  other.colourID; }
        bool operator== (const ColourSetting& other) const noexcept  { return colourID == other.colourID; }
    };
 
    SortedSet<ColourSetting> colours;
    String defaultSans, defaultSerif, defaultFixed;
    bool useNativeAlertWindows;
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LookAndFeel)
};
 
 
#endif   // JUCE_LOOKANDFEEL_H_INCLUDED