juce_TopLevelWindow.h

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 /*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
//==============================================================================
class JUCE_API  TopLevelWindow  : public Component
{
public:
    //==============================================================================
    TopLevelWindow (const String& name, bool addToDesktop);
 
    ~TopLevelWindow() override;
 
    //==============================================================================
    bool isActiveWindow() const noexcept                    { return isCurrentlyActive; }
 
    //==============================================================================
    void centreAroundComponent (Component* componentToCentreAround,
                                int width, int height);
 
    //==============================================================================
    void setDropShadowEnabled (bool useShadow);
 
    bool isDropShadowEnabled() const noexcept               { return useDropShadow; }
 
    void setUsingNativeTitleBar (bool useNativeTitleBar);
 
    bool isUsingNativeTitleBar() const noexcept;
 
    //==============================================================================
    static int getNumTopLevelWindows() noexcept;
 
    static TopLevelWindow* getTopLevelWindow (int index) noexcept;
 
    static TopLevelWindow* getActiveTopLevelWindow() noexcept;
 
    void addToDesktop();
 
    //==============================================================================
    void addToDesktop (int windowStyleFlags, void* nativeWindowToAttachTo = nullptr) override;
    std::unique_ptr<AccessibilityHandler> createAccessibilityHandler() override;
 
protected:
    //==============================================================================
    virtual void activeWindowStatusChanged();
 
 
    //==============================================================================
    void focusOfChildComponentChanged (FocusChangeType) override;
    void parentHierarchyChanged() override;
    virtual int getDesktopWindowStyleFlags() const;
    void recreateDesktopWindow();
    void visibilityChanged() override;
 
private:
    friend class detail::TopLevelWindowManager;
    friend class ResizableWindow;
    bool useDropShadow = true, useNativeTitleBar = false, isCurrentlyActive = false;
    std::unique_ptr<DropShadower> shadower;
 
    void setWindowActive (bool);
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (TopLevelWindow)
};
 
} // namespace juce