syschild.hxx

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#ifndef INCLUDED_VCL_SYSCHILD_HXX
#define INCLUDED_VCL_SYSCHILD_HXX
 
#include <vcl/dllapi.h>
#include <vcl/window.hxx>
 
struct SystemEnvData;
struct SystemWindowData;
 
class VCL_DLLPUBLIC SystemChildWindow : public vcl::Window
{
private:
    using Window::ImplInit;
    SAL_DLLPRIVATE void     ImplInitSysChild( vcl::Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow = false );
 
    // Copy assignment is forbidden and not implemented.
                            SystemChildWindow (const SystemChildWindow &) = delete;
                            SystemChildWindow & operator= (const SystemChildWindow &) = delete;
 
public:
    explicit                SystemChildWindow( vcl::Window* pParent, WinBits nStyle );
                            // create a SystemChildWindow using the given SystemWindowData
    explicit                SystemChildWindow( vcl::Window* pParent, WinBits nStyle, SystemWindowData *pData, bool bShow = true );
    virtual                 ~SystemChildWindow() override;
    virtual Size            GetOptimalSize() const override;
    virtual void            dispose() override;
 
    virtual const SystemEnvData* GetSystemData() const override;
 
    //  per default systemchildwindows erase their background for better plugin support
    //  however, this might not always be required
    void                    EnableEraseBackground( bool bEnable );
    void                    SetForwardKey( bool bEnable );
    //To avoid annoying flashing under X entering and leaving slides with opengl effects set the leaving
    //bitmap as the background pixmap of the opengl child window and the entering bitmap as the background
    //pixmap of the non-opengl parent window. If any expose events occur around the start and end of
    //the transition then those windows are default filled by X with the desired start/end image so there's
    //no visible flash
    void                    SetLeaveEnterBackgrounds(const css::uno::Sequence<css::uno::Any>& rLeaveArgs, const css::uno::Sequence<css::uno::Any>& rEnterArgs);
    // return the platform specific handle/id of this window;
    sal_IntPtr              GetParentWindowHandle() const;
 
    void*                   CreateGStreamerSink();
};
 
#endif // INCLUDED_VCL_SYSCHILD_HXX
 
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