Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */