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| -rw-r--r-- | vcl/inc/unx/saldisp.hxx | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/vcl/inc/unx/saldisp.hxx b/vcl/inc/unx/saldisp.hxx new file mode 100644 index 000000000..4dd37c321 --- /dev/null +++ b/vcl/inc/unx/saldisp.hxx @@ -0,0 +1,427 @@ +/* -*- 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( Color nColor ) const; + Color GetColor( Pixel nPixel ) const; +}; + +class SalI18N_InputMethod; + +typedef int(*YieldFunc)(int fd, void* data); + +class SalXLib +{ +protected: + 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 RenderEntry + { + Pixmap m_aPixmap; + Picture m_aPicture; + + RenderEntry() : m_aPixmap( 0 ), m_aPicture( 0 ) {} + }; + + typedef std::unordered_map<int,RenderEntry> RenderEntryMap; + + 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; + 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 ) + {} + }; + +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; } + RenderEntryMap& GetRenderEntries( SalX11Screen nXScreen ) const { return getDataForScreen(nXScreen).m_aRenderData; } + 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: */ |