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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_INC_UNX_SALDISP_HXX
#define INCLUDED_VCL_INC_UNX_SALDISP_HXX
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/render.h>
#include <epoxy/glx.h>
#include <rtl/string.hxx>
#include <unx/saltype.h>
#include <vcl/opengl/OpenGLContext.hxx>
#include <vcl/ptrstyle.hxx>
#include <sal/types.h>
#include <cassert>
#include <list>
#include <unordered_map>
#include <vector>
#include <tools/gen.hxx>
#include <salwtype.hxx>
#include <unx/gendata.hxx>
#include <unx/gendisp.hxx>
#include <o3tl/enumarray.hxx>
#include <vclpluginapi.h>
class SalDisplay;
class SalColormap;
class SalVisual;
class SalXLib;
/* From <X11/Intrinsic.h> */
typedef unsigned long Pixel;
class BitmapPalette;
class SalFrame;
class ColorMask;
namespace vcl_sal { class WMAdaptor; }
// server vendor
typedef enum {
vendor_none = 0,
vendor_sun,
vendor_unknown
} srv_vendor_t;
extern "C" srv_vendor_t sal_GetServerVendor( Display *p_display );
// MSB/Bigendian view (Color == RGB, r=0xFF0000, g=0xFF00, b=0xFF)
enum class SalRGB { RGB, RBG,
GBR, GRB,
BGR, BRG,
otherSalRGB };
class SalVisual : public XVisualInfo
{
SalRGB eRGBMode_;
int nRedShift_;
int nGreenShift_;
int nBlueShift_;
int nRedBits_;
int nGreenBits_;
int nBlueBits_;
public:
SalVisual();
SalVisual( const XVisualInfo* pXVI );
VisualID GetVisualId() const { return visualid; }
Visual *GetVisual() const { return visual; }
int GetClass() const { return c_class; }
int GetDepth() const { return depth; }
Pixel GetTCPixel( Color nColor ) const;
Color GetTCColor( Pixel nPixel ) const;
};
// A move-only flag, used by SalColormap to track ownership of its m_aVisual.visual:
struct OwnershipFlag {
bool owner = false;
OwnershipFlag() = default;
OwnershipFlag(OwnershipFlag && other) noexcept: owner(other.owner) { other.owner = false; }
OwnershipFlag & operator =(OwnershipFlag && other) noexcept {
assert(&other != this);
owner = other.owner;
other.owner = false;
return *this;
}
};
class SalColormap
{
const SalDisplay* m_pDisplay;
Colormap m_hColormap;
std::vector<Color> m_aPalette; // Pseudocolor
SalVisual m_aVisual;
OwnershipFlag m_aVisualOwnership;
std::vector<sal_uInt16> m_aLookupTable; // Pseudocolor: 12bit reduction
Pixel m_nWhitePixel;
Pixel m_nBlackPixel;
Pixel m_nUsed; // Pseudocolor
void GetPalette();
void GetLookupTable();
public:
SalColormap( const SalDisplay* pSalDisplay,
Colormap hColormap,
SalX11Screen nXScreen );
SalColormap( sal_uInt16 nDepth );
SalColormap();
~SalColormap();
SalColormap(SalColormap &&) = default;
SalColormap & operator =(SalColormap &&) = default;
Colormap GetXColormap() const { return m_hColormap; }
const SalDisplay* GetDisplay() const { return m_pDisplay; }
inline Display* GetXDisplay() const;
const SalVisual& GetVisual() const { return m_aVisual; }
Visual* GetXVisual() const { return m_aVisual.GetVisual(); }
Pixel GetWhitePixel() const { return m_nWhitePixel; }
Pixel GetBlackPixel() const { return m_nBlackPixel; }
Pixel GetUsed() const { return m_nUsed; }
bool GetXPixels( XColor &rColor,
int r,
int g,
int b ) const;
inline bool GetXPixel( XColor &rColor,
int r,
int g,
int b ) const;
Pixel GetPixel( std::optional<Color> nColor ) const;
Color GetColor( Pixel nPixel ) const;
};
class SalI18N_InputMethod;
typedef int(*YieldFunc)(int fd, void* data);
class SalXLib
{
timeval m_aTimeout;
sal_uLong m_nTimeoutMS;
int m_pTimeoutFDS[2];
int nFDs_;
fd_set aReadFDS_;
fd_set aExceptionFDS_;
Display *m_pDisplay;
std::unique_ptr<SalI18N_InputMethod> m_pInputMethod;
public:
SalXLib();
~SalXLib();
void Init();
bool Yield( bool bWait, bool bHandleAllCurrentEvents );
void Wakeup();
void TriggerUserEventProcessing();
void Insert( int fd, void* data,
YieldFunc pending,
YieldFunc queued,
YieldFunc handle );
void Remove( int fd );
void StartTimer( sal_uInt64 nMS );
void StopTimer();
bool CheckTimeout( bool bExecuteTimers = true );
SalI18N_InputMethod* GetInputMethod() const { return m_pInputMethod.get(); }
Display* GetDisplay() const { return m_pDisplay; }
};
class SalI18N_KeyboardExtension;
class AttributeProvider;
extern "C" {
typedef Bool(*X_if_predicate)(Display*,XEvent*,XPointer);
}
class GLX11Window final : public GLWindow
{
public:
Display* dpy;
int screen;
Window win;
XVisualInfo* vi;
GLXContext ctx;
OString GLXExtensions;
bool HasGLXExtension(const char* name) const;
GLX11Window();
virtual bool Synchronize(bool bOnoff) const override;
virtual ~GLX11Window() override;
};
class VCLPLUG_GEN_PUBLIC SalDisplay : public SalGenericDisplay
{
public:
struct ScreenData
{
bool m_bInit;
::Window m_aRoot;
::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;
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 )
{}
};
protected:
SalXLib *pXLib_;
SalI18N_KeyboardExtension *mpKbdExtension;
Display *pDisp_; // X Display
SalX11Screen m_nXDefaultScreen;
std::vector< ScreenData > m_aScreens;
ScreenData m_aInvalidScreenData;
Pair aResolution_; // [dpi]
sal_uLong nMaxRequestSize_; // [byte]
srv_vendor_t meServerVendor;
// until x bytes
o3tl::enumarray<PointerStyle, Cursor> aPointerCache_;
// Keyboard
bool bNumLockFromXS_; // Num Lock handled by X Server
int nNumLockIndex_; // modifier index in modmap
KeySym nShiftKeySym_; // first shift modifier
KeySym nCtrlKeySym_; // first control modifier
KeySym nMod1KeySym_; // first mod1 modifier
std::unique_ptr<vcl_sal::WMAdaptor> m_pWMAdaptor;
bool m_bXinerama;
std::vector< tools::Rectangle > m_aXineramaScreens;
std::vector< int > m_aXineramaScreenIndexMap;
std::list<SalObject*> m_aSalObjects;
mutable Time m_nLastUserEventTime; // mutable because changed on first access
virtual void Dispatch( XEvent *pEvent ) = 0;
void InitXinerama();
void InitRandR( ::Window aRoot ) const;
static void DeInitRandR();
void processRandREvent( XEvent* );
void doDestruct();
void addXineramaScreenUnique( int i, tools::Long i_nX, tools::Long i_nY, tools::Long i_nWidth, tools::Long i_nHeight );
Time GetEventTimeImpl( bool bAlwaysReget = false ) const;
public:
static bool BestVisual(Display *pDisp, int nScreen, XVisualInfo &rVI);
SalDisplay( Display* pDisp );
virtual ~SalDisplay() override;
void Init();
#ifdef DBG_UTIL
void PrintInfo() const;
void DbgPrintDisplayEvent(const char *pComment, const XEvent *pEvent) const;
#endif
void Beep() const;
void ModifierMapping();
void SimulateKeyPress( sal_uInt16 nKeyCode );
KeyIndicatorState GetIndicatorState() const;
OUString GetKeyNameFromKeySym( KeySym keysym ) const;
OUString GetKeyName( sal_uInt16 nKeyCode ) const;
sal_uInt16 GetKeyCode( KeySym keysym, char*pcPrintable ) const;
KeySym GetKeySym( XKeyEvent *pEvent,
char *pPrintable,
int *pLen,
KeySym *pUnmodifiedKeySym,
Status *pStatus,
XIC = nullptr ) const;
Cursor GetPointer( PointerStyle ePointerStyle );
int CaptureMouse( SalFrame *pCapture );
ScreenData* initScreen( SalX11Screen nXScreen ) const;
const ScreenData& getDataForScreen( SalX11Screen nXScreen ) const
{
if( nXScreen.getXScreen() >= m_aScreens.size() )
return m_aInvalidScreenData;
if( ! m_aScreens[nXScreen.getXScreen()].m_bInit )
initScreen( nXScreen );
return m_aScreens[nXScreen.getXScreen()];
}
::Window GetDrawable( SalX11Screen nXScreen ) const { return getDataForScreen( nXScreen ).m_aRefWindow; }
Display *GetDisplay() const { return pDisp_; }
const SalX11Screen& GetDefaultXScreen() const { return m_nXDefaultScreen; }
const Size& GetScreenSize( SalX11Screen nXScreen ) const { return getDataForScreen( nXScreen ).m_aSize; }
srv_vendor_t GetServerVendor() const { return meServerVendor; }
bool IsDisplay() const { return !!pXLib_; }
GC GetCopyGC( SalX11Screen nXScreen ) const { return getDataForScreen(nXScreen).m_aCopyGC; }
Pixmap GetInvert50( SalX11Screen nXScreen ) const { return getDataForScreen(nXScreen).m_hInvert50; }
const SalColormap& GetColormap( SalX11Screen nXScreen ) const { return getDataForScreen(nXScreen).m_aColormap; }
const SalVisual& GetVisual( SalX11Screen nXScreen ) const { return getDataForScreen(nXScreen).m_aVisual; }
const Pair &GetResolution() const { return aResolution_; }
sal_uLong GetMaxRequestSize() const { return nMaxRequestSize_; }
Time GetLastUserEventTime() const { return GetEventTimeImpl(); }
// this is an equivalent of gdk_x11_get_server_time()
Time GetX11ServerTime() const { return GetEventTimeImpl( true ); }
bool XIfEventWithTimeout( XEvent*, XPointer, X_if_predicate ) const;
SalXLib* GetXLib() const { return pXLib_; }
SalI18N_InputMethod* GetInputMethod() const { return pXLib_->GetInputMethod(); }
SalI18N_KeyboardExtension* GetKbdExtension() const { return mpKbdExtension; }
void SetKbdExtension(SalI18N_KeyboardExtension *pKbdExtension)
{ mpKbdExtension = pKbdExtension; }
::vcl_sal::WMAdaptor* getWMAdaptor() const { return m_pWMAdaptor.get(); }
bool IsXinerama() const { return m_bXinerama; }
const std::vector< tools::Rectangle >& GetXineramaScreens() const { return m_aXineramaScreens; }
::Window GetRootWindow( SalX11Screen nXScreen ) const
{ return getDataForScreen( nXScreen ).m_aRoot; }
unsigned int GetXScreenCount() const { return m_aScreens.size(); }
const SalFrameSet& getFrames() const { return m_aFrames; }
std::list< SalObject* >& getSalObjects() { return m_aSalObjects; }
};
inline Display *SalColormap::GetXDisplay() const
{ return m_pDisplay->GetDisplay(); }
class SalX11Display final : public SalDisplay
{
public:
SalX11Display( Display* pDisp );
virtual ~SalX11Display() override;
virtual void Dispatch( XEvent *pEvent ) override;
virtual void Yield();
virtual void TriggerUserEventProcessing() override;
bool IsEvent();
void SetupInput();
};
namespace vcl_sal {
// get foreign key names
OUString getKeysymReplacementName(
std::u16string_view pLang,
KeySym nSymbol );
inline SalDisplay *getSalDisplay(GenericUnixSalData const * data)
{
assert(data != nullptr);
return static_cast<SalDisplay *>(data->GetDisplay());
}
}
#endif // INCLUDED_VCL_INC_UNX_SALDISP_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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