Source

ooo340 / vcl / inc / unx / saldisp.hxx

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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _SV_SALDISP_HXX
#define _SV_SALDISP_HXX

// -=-= exports =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
class	SalDisplay;
class	SalColormap;
class	SalVisual;
class	SalXLib;

// -=-= #includes =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#include <unx/salunx.h>
#include <vcl/salgtype.hxx>
#ifndef _SV_PTRSTYLE_HXX
#include <vcl/ptrstyle.hxx>
#endif
#include <sal/types.h>
#ifndef _OSL_MUTEX_H
#include <osl/mutex.h>
#endif
#include <vector>
#include <list>
#include <hash_map>
#include <tools/gen.hxx>
#include <salwtype.hxx>

#include <vclpluginapi.h>

// -=-= forwards -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
class	BitmapPalette;
class	SalFrame;
class	ColorMask;

namespace vcl_sal { class WMAdaptor; }
class DtIntegrator;

// -=-= #defines -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#define PROPERTY_SUPPORT_WM_SetPos				0x00000001
#define PROPERTY_SUPPORT_WM_Screen				0x00000002
#define PROPERTY_SUPPORT_WM_Parent_Pixmap_None	0x00000004
#define PROPERTY_SUPPORT_WM_ClientPos			0x00000008
#define	PROPERTY_SUPPORT_XSetClipMask			0x00000010	// for bitmap ops.
#define	PROPERTY_SUPPORT_3ButtonMouse			0x00000020

#define PROPERTY_BUG_XA_FAMILY_NAME_nil			0x00001000
#define PROPERTY_BUG_XCopyArea_GXxor			0x00002000	// from window
#define PROPERTY_BUG_Stipple					0x00004000	// 0/1 inverted
#define PROPERTY_BUG_Tile                       0x00008000  // Recreate the
                                            // dither brush each time
#define PROPERTY_BUG_FillPolygon_Tile           0x00010000  // always Toggle Fillstyle
#define PROPERTY_BUG_DrawLine			        0x00020000  // a DrawLine is one point to short
#define PROPERTY_BUG_CopyPlane_RevertBWPixel	0x00040000  // revert fg and bg for xcopyplane
#define PROPERTY_BUG_CopyArea_OnlySmallSlices	0x00080000
#define PROPERTY_BUG_Bitmap_Bit_Order			0x00100000

#define	PROPERTY_FEATURE_Maximize				0x01000000
#define PROPERTY_FEATURE_SharedMemory           0x02000000
#define PROPERTY_FEATURE_TrustedSolaris         0x04000000

#define	PROPERTY_DEFAULT						0x00000FCB

// ------------------------------------------------------------------------
// server vendor

typedef enum  {
	vendor_none = 0,
	vendor_attachmate,
	vendor_excursion,
	vendor_hp,
	vendor_hummingbird,
	vendor_ibm,
	vendor_sco,
	vendor_sgi,
	vendor_sun,
	vendor_xfree,
	vendor_xinside,
	vendor_xprinter,
	vendor_unknown
} srv_vendor_t;

extern "C" srv_vendor_t sal_GetServerVendor( Display *p_display );

// -=-= SalWM =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
enum SalWM { olwm,		// Open Look
			 mwm, 		// Motif
			 kwm,		// KDE Desktop Environment
			 FourDwm,	// SGI
			 vuewm,		// HP
			 dtwm,		// CDE
			 winmgr,	// Oracle NC
			 twm,
			 fvwm,		// ...
			 pmwm,		// SCO
             otherwm };

// -=-= SalRGB -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// MSB/Bigendian Sicht (SalColor == RGB, r=0xFF0000, g=0xFF00, b=0xFF)

enum SalRGB { RGB,  RBG,
			  GBR,  GRB,
			  BGR,  BRG,
			  RGBA,	RBGA,
			  GBRA, GRBA,
			  BGRA, BRGA,
              otherSalRGB };

// -=-= SalVisual =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
class SalVisual : public XVisualInfo
{
    SalRGB			eRGBMode_;
    int				nRedShift_;
    int				nGreenShift_;
    int				nBlueShift_;
    int				nRedBits_;
    int				nGreenBits_;
    int				nBlueBits_;
public:
                            SalVisual();
							~SalVisual();
							SalVisual( const XVisualInfo* pXVI );

	inline	VisualID		GetVisualId() const { return visualid; }
	inline	Visual		   *GetVisual() const { return visual; }
	inline	int				GetClass() const { return c_class; }
	inline	int				GetDepth() const { return depth; }
	inline  SalRGB			GetMode() const { return eRGBMode_; }
	
			Pixel			GetTCPixel( SalColor nColor ) const;
			SalColor		GetTCColor( Pixel nPixel ) const;
            sal_Bool			Convert( int &n0, int &n1, int &n2, int &n3 ); // 32bit
         	sal_Bool			Convert( int &n0, int &n1, int &n2 ); // 24bit
};

// -=-= SalColormap =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
class SalColormap
{
    const SalDisplay*       m_pDisplay;
    Colormap                m_hColormap;
    std::vector<SalColor>   m_aPalette;			// Pseudocolor
    SalVisual               m_aVisual;
    std::vector<sal_uInt16>     m_aLookupTable;		// Pseudocolor: 12bit reduction
    Pixel                   m_nWhitePixel;
    Pixel                   m_nBlackPixel;
    Pixel                   m_nUsed;			// Pseudocolor
    int                     m_nScreen;

    void			GetPalette();
    void			GetLookupTable();
public:
    SalColormap( const SalDisplay*  pSalDisplay,
                 Colormap           hColormap,
                 int                nScreen );
    SalColormap( sal_uInt16             nDepth );
    SalColormap();
	~SalColormap();

	inline	Colormap		    GetXColormap() const { return m_hColormap; }
	inline	const SalDisplay*   GetDisplay() const { return m_pDisplay; }
	inline	Display*            GetXDisplay() const;
	inline	const SalVisual&    GetVisual() const { return m_aVisual; }
	inline	Visual*             GetXVisual() const { return m_aVisual.GetVisual(); }
	inline	Pixel			    GetWhitePixel() const { return m_nWhitePixel; }
	inline	Pixel			    GetBlackPixel() const { return m_nBlackPixel; }
	inline	Pixel			    GetUsed() const { return m_nUsed; }
	inline	int				    GetClass() const { return m_aVisual.GetClass(); }
    inline  int                 GetScreenNumber() const { return m_nScreen; }

    sal_Bool			GetXPixels( XColor  &rColor,
                                int      r,
                                int      g,
                                int      b ) const;
	inline	sal_Bool			GetXPixel( XColor  &rColor,
									   int      r,
									   int      g,
									   int      b ) const;
    Pixel			GetPixel( SalColor nColor ) const;
    SalColor		GetColor( Pixel nPixel ) const;
};

// -=-= SalXLib =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
typedef int(*YieldFunc)(int fd, void* data);
struct YieldEntry;

class VCLPLUG_GEN_PUBLIC SalXLib
{
protected:
    timeval			m_aTimeout;
    sal_uLong           m_nTimeoutMS;
	int             m_pTimeoutFDS[2];

    bool			m_bHaveSystemChildFrames;

    int				nFDs_;
    fd_set	        aReadFDS_;
    fd_set	        aExceptionFDS_;
    YieldEntry		*pYieldEntries_;

    
    struct XErrorStackEntry
    {
        bool            m_bIgnore;
        bool            m_bWas;
        unsigned int    m_nLastErrorRequest;
        XErrorHandler   m_aHandler;
    };
    std::vector< XErrorStackEntry > m_aXErrorHandlerStack;
    XIOErrorHandler m_aOrigXIOErrorHandler;
public:
    SalXLib();
    virtual			~SalXLib();
    virtual void		Init();

    virtual void		Yield( bool bWait, bool bHandleAllCurrentEvents );
    virtual void        Wakeup();
    virtual void		PostUserEvent();

    virtual void    Insert( int fd, void* data,
                            YieldFunc	pending,
                            YieldFunc	queued,
                            YieldFunc	handle );
    virtual void    Remove( int fd );

    void			XError( Display *pDisp, XErrorEvent *pEvent );
    bool            HasXErrorOccured() const { return m_aXErrorHandlerStack.back().m_bWas; }
    unsigned int    GetLastXErrorRequestCode() const { return m_aXErrorHandlerStack.back().m_nLastErrorRequest; }
    void            ResetXErrorOccured() { m_aXErrorHandlerStack.back().m_bWas = false; }
    void PushXErrorLevel( bool bIgnore );
    void PopXErrorLevel();

	virtual void			StartTimer( sal_uLong nMS );
	virtual void			StopTimer();    

    bool            CheckTimeout( bool bExecuteTimers = true );

    void			setHaveSystemChildFrame() 
    { m_bHaveSystemChildFrames = true; }
    bool            getHaveSystemChildFrame() const
    { return m_bHaveSystemChildFrames; }
};

// -=-= SalDisplay -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

class SalI18N_InputMethod;
class SalI18N_KeyboardExtension;
class AttributeProvider;
class SalUnicodeConverter;

extern "C" {
    struct SnDisplay;
    struct SnLauncheeContext;
    typedef Bool(*X_if_predicate)(Display*,XEvent*,XPointer);
}

class VCLPLUG_GEN_PUBLIC SalDisplay
{
public:
    struct RenderEntry
    {
        Pixmap      m_aPixmap;
        Picture     m_aPicture;

        RenderEntry() : m_aPixmap( 0 ), m_aPicture( 0 ) {}
    };

    typedef std::hash_map<int,RenderEntry> RenderEntryMap;

    struct ScreenData
    {
        bool                m_bInit;

        XLIB_Window         m_aRoot;
        XLIB_Window         m_aRefWindow;
        Size                m_aSize;
        SalVisual           m_aVisual;
        SalColormap         m_aColormap;
        GC				    m_aMonoGC;
        GC				    m_aCopyGC;
        GC				    m_aAndInvertedGC;
        GC				    m_aAndGC;
        GC				    m_aOrGC;
        GC			        m_aStippleGC;
        Pixmap			    m_hInvert50;
        mutable RenderEntryMap m_aRenderData;

        ScreenData() :
        m_bInit( false ),
        m_aRoot( None ),
        m_aRefWindow( None ),
        m_aMonoGC( None ),
        m_aCopyGC( None ),
        m_aAndInvertedGC( None ),
        m_aAndGC( None ),
        m_aOrGC( None ),
        m_aStippleGC( None ),
        m_hInvert50( None ),
        m_aRenderData( 1 )
        {}
    };
// -=-= UserEvent =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
    struct SalUserEvent
    {
        SalFrame*		m_pFrame;
        void*			m_pData;
        sal_uInt16			m_nEvent;

        SalUserEvent( SalFrame* pFrame, void* pData, sal_uInt16 nEvent = SALEVENT_USEREVENT ) 
                : m_pFrame( pFrame ),
                  m_pData( pData ),
                  m_nEvent( nEvent )
        {}
    };

protected:	
    SalXLib		   *pXLib_;
    SalI18N_InputMethod			*mpInputMethod;
    SalI18N_KeyboardExtension	*mpKbdExtension;

    AttributeProvider 			*mpFactory;

    Display		   *pDisp_;				// X Display
    int				m_nDefaultScreen;			// XDefaultScreen
    std::vector< ScreenData >    m_aScreens;
    ScreenData      m_aInvalidScreenData;
    Pair			aResolution_;		// [dpi]
    bool			mbExactResolution;
    sal_uLong			nMaxRequestSize_;	// [byte]

    srv_vendor_t	meServerVendor;
    SalWM			eWindowManager_;
    sal_uLong			nProperties_;		// PROPERTY_SUPPORT, BUG, FEATURE
    sal_Bool			bLocal_;			// Server==Client? Init 
    // in SalDisplay::IsLocal()
    sal_Bool			mbLocalIsValid;		// bLocal_ is valid ?
    // until x bytes

    oslMutex        hEventGuard_;
    std::list< SalUserEvent > m_aUserEvents;

    XLIB_Cursor		aPointerCache_[POINTER_COUNT];
    SalFrame*		m_pCapture;

    // Keyboard
    sal_Bool			bNumLockFromXS_;	// Num Lock handled by X Server
    int				nNumLockIndex_;		// modifier index in modmap
    int				nNumLockMask_;		// keyevent state mask for
    KeySym			nShiftKeySym_;		// first shift modifier
    KeySym			nCtrlKeySym_;		// first control modifier
    KeySym			nMod1KeySym_;		// first mod1 modifier
    ByteString		m_aKeyboardName;

    vcl_sal::WMAdaptor*	m_pWMAdaptor;
    DtIntegrator*       m_pDtIntegrator;

    bool			m_bXinerama;
    std::vector< Rectangle > m_aXineramaScreens;
    std::list<SalFrame*> m_aFrames;
    std::list<SalObject*> m_aSalObjects;
    
    bool            m_bUseRandRWrapper; // don't use randr on gtk, use gdk signals there
    
    mutable XLIB_Time  m_nLastUserEventTime; // mutable because changed on first access

    virtual long	Dispatch( XEvent *pEvent ) = 0;
    void			InitXinerama();
    void            InitRandR( XLIB_Window aRoot ) const;
    void            DeInitRandR();
    int             processRandREvent( XEvent* );

    void			doDestruct();
    int             addXineramaScreenUnique( long i_nX, long i_nY, long i_nWidth, long i_nHeight );
public:
	static	SalDisplay	   *GetSalDisplay( Display* display );
	static	sal_Bool			BestVisual( Display     *pDisp,
										int          nScreen,
										XVisualInfo &rVI );

							SalDisplay( Display* pDisp );

    virtual ~SalDisplay();


    virtual void			registerFrame( SalFrame* pFrame );
    virtual void			deregisterFrame( SalFrame* pFrame );
    void					setHaveSystemChildFrame() const 
    { pXLib_->setHaveSystemChildFrame(); }
    bool                    getHaveSystemChildFrame() const
    { return pXLib_->getHaveSystemChildFrame(); }

    void			Init();

    void			SendInternalEvent( SalFrame* pFrame, void* pData, sal_uInt16 nEvent = SALEVENT_USEREVENT );
    void            CancelInternalEvent( SalFrame* pFrame, void* pData, sal_uInt16 nEvent );
    bool			DispatchInternalEvent();
    void			PrintInfo() const;

    void			PrintEvent( const ByteString &rComment,
                                XEvent       *pEvent ) const;

    void			Beep() const;

    void			ModifierMapping();
    String			GetKeyNameFromKeySym( KeySym keysym ) const;
    XubString		GetKeyName( sal_uInt16 nKeyCode ) const;
    sal_uInt16			GetKeyCode( KeySym keysym, char*pcPrintable ) const;
    KeySym			GetKeySym( XKeyEvent      *pEvent,
                               unsigned char  *pPrintable,
                               int			  *pLen,
                               KeySym         *pUnmodifiedKeySym,
                               Status         *pStatus,
                               XIC = NULL ) const;

    XLIB_Cursor		GetPointer( int ePointerStyle );
    virtual int	CaptureMouse( SalFrame *pCapture );

    sal_Bool			IsLocal();

    void			Remove( XEvent   *pEvent );

    virtual void          initScreen( int nScreen ) const;
    const ScreenData&     getDataForScreen( int nScreen ) const
    {
        if( nScreen < 0 || nScreen >= static_cast<int>(m_aScreens.size()) )
            return m_aInvalidScreenData;
        if( ! m_aScreens[nScreen].m_bInit )
            initScreen( nScreen );
        return m_aScreens[nScreen];
    }

	XLIB_Window		GetDrawable( int nScreen ) const { return getDataForScreen( nScreen ).m_aRefWindow; }
	Display		   *GetDisplay() const { return pDisp_; }
	int				GetDefaultScreenNumber() const { return m_nDefaultScreen; }
	virtual int		GetDefaultMonitorNumber() const { return 0; }
    const Size&     GetScreenSize( int nScreen ) const { return getDataForScreen( nScreen ).m_aSize; }
	srv_vendor_t	GetServerVendor() const { return meServerVendor; }
	void			SetServerVendor() { meServerVendor = sal_GetServerVendor(pDisp_); }
	sal_Bool			IsDisplay() const { return !!pXLib_; }
	GC				GetMonoGC( int nScreen ) const { return getDataForScreen(nScreen).m_aMonoGC; }
	GC				GetCopyGC( int nScreen ) const { return getDataForScreen(nScreen).m_aCopyGC; }
	GC				GetAndInvertedGC( int nScreen ) const { return getDataForScreen(nScreen).m_aAndInvertedGC; }
	GC				GetAndGC( int nScreen ) const { return getDataForScreen(nScreen).m_aAndGC; }
	GC				GetOrGC( int nScreen ) const { return getDataForScreen(nScreen).m_aOrGC; }
	GC				GetStippleGC( int nScreen ) const { return getDataForScreen(nScreen).m_aStippleGC; }
	GC				GetGC( sal_uInt16 nDepth, int nScreen ) const;
	Pixmap			GetInvert50( int nScreen ) const { return getDataForScreen(nScreen).m_hInvert50; }
	const SalColormap&    GetColormap( int nScreen ) const { return getDataForScreen(nScreen).m_aColormap; }
	const SalVisual&      GetVisual( int nScreen ) const { return getDataForScreen(nScreen).m_aVisual; }
	RenderEntryMap&       GetRenderEntries( int nScreen ) const { return getDataForScreen(nScreen).m_aRenderData; }
	const Pair	   &GetResolution() const { return aResolution_; }
    bool			GetExactResolution() const { return mbExactResolution; }
	sal_uLong			GetProperties() const { return nProperties_; }
	sal_uLong			GetMaxRequestSize() const { return nMaxRequestSize_; }
    XLIB_Time       GetLastUserEventTime( bool bAlwaysReget = false ) const;
    
    bool            XIfEventWithTimeout( XEvent*, XPointer, X_if_predicate, long i_nTimeout = 1000 ) const;

	sal_Bool			MouseCaptured( const SalFrame *pFrameData ) const
    { return m_pCapture == pFrameData; }
    SalFrame*	GetCaptureFrame() const
    { return m_pCapture; }
	SalXLib*         GetXLib() const { return pXLib_; }

	SalI18N_InputMethod*			GetInputMethod()  const { return mpInputMethod;  }
	SalI18N_KeyboardExtension* 	GetKbdExtension() const { return mpKbdExtension; }
	void 			SetInputMethod( SalI18N_InputMethod *pInputMethod ) 
    { mpInputMethod = pInputMethod; }
	void			SetKbdExtension(SalI18N_KeyboardExtension *pKbdExtension)
    { mpKbdExtension = pKbdExtension; } 
	const char*	GetKeyboardName( sal_Bool bRefresh = sal_False );
    ::vcl_sal::WMAdaptor* getWMAdaptor() const { return m_pWMAdaptor; }
    DtIntegrator* getDtIntegrator() const { return m_pDtIntegrator; }
    bool			IsXinerama() const { return m_bXinerama; }
    const std::vector< Rectangle >& GetXineramaScreens() const { return m_aXineramaScreens; }
    XLIB_Window     GetRootWindow( int nScreen ) const
    { return getDataForScreen( nScreen ).m_aRoot; }
    const std::vector< ScreenData >& GetScreenData()
    { return m_aScreens; }
    int GetScreenCount() const { return static_cast<int>(m_aScreens.size()); }

    const std::list< SalFrame* >& getFrames() const
    { return m_aFrames; }

    sal_Bool            IsNumLockFromXS() const { return bNumLockFromXS_; }

    std::list< SalObject* >& getSalObjects() { return m_aSalObjects; }
};

// -=-= inlines =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

inline GC SalDisplay::GetGC( sal_uInt16 nDepth, int nScreen ) const
{ return 1 == nDepth
	     ? GetMonoGC( nScreen )
	     : getDataForScreen(nScreen).m_aVisual.GetDepth() == nDepth
	       ? GetCopyGC( nScreen )
	       : None; }

inline	Display	*SalColormap::GetXDisplay() const
{ return m_pDisplay->GetDisplay(); }

class VCLPLUG_GEN_PUBLIC SalX11Display : public SalDisplay
{
public:
		     SalX11Display( Display* pDisp );
    virtual ~SalX11Display();

    virtual long		Dispatch( XEvent *pEvent );
    virtual void		Yield();

    sal_Bool	 IsEvent();
};

/*----------------------------------------------------------
 keep track of correct size of the initial window
 */
// get foreign key names
namespace vcl_sal {
	String getKeysymReplacementName(
		const char* pKeyboard,
		KeySym nSymbol );
}


#endif // _SV_SALDISP_HXX