Examples of com.sun.jna.examples.win32.WinNT$SID_AND_ATTRIBUTES

com.sun.jna.examples.win32.Kernel32
The SID_AND_ATTRIBUTES structure represents a security identifier (SID) and its attributes. SIDs are used to uniquely identify users or groups.

            });
        }


        // Take advantage of CreatePolyPolygonalRgn on w32
        private void setMask(final Component w, final Area area) {
            GDI32 gdi = GDI32.INSTANCE;
            PathIterator pi = area.getPathIterator(null);
            int mode = pi.getWindingRule() == PathIterator.WIND_NON_ZERO
                ? WinGDI.WINDING: WinGDI.ALTERNATE;
            float[] coords = new float[6];
            List points = new ArrayList();
            int size = 0;
            List sizes = new ArrayList();
            while (!pi.isDone()) {
                int type = pi.currentSegment(coords);
                if (type == PathIterator.SEG_MOVETO) {
                    size = 1;
                    points.add(new POINT((int)coords[0], (int)coords[1]));
                }
                else if (type == PathIterator.SEG_LINETO) {
                    ++size;
                    points.add(new POINT((int)coords[0], (int)coords[1]));
                }
                else if (type == PathIterator.SEG_CLOSE) {
                    sizes.add(new Integer(size));
                }
                else {
                    throw new RuntimeException("Area is not polygonal: " + area);
                }
                pi.next();
            }
            POINT[] lppt = (POINT[])new POINT().toArray(points.size());
            POINT[] pts = (POINT[])points.toArray(new POINT[points.size()]);
            for (int i=0;i < lppt.length;i++) {
                lppt[i].x = pts[i].x;
                lppt[i].y = pts[i].y;
            }
            int[] counts = new int[sizes.size()];
            for (int i=0;i < counts.length;i++) {
                counts[i] = ((Integer)sizes.get(i)).intValue();
            }
            HRGN hrgn = gdi.CreatePolyPolygonRgn(lppt, counts, counts.length, mode);
            setWindowRegion(w, hrgn);
        }

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            setWindowRegion(w, hrgn);
        }


        @Override
    protected void setMask(final Component w, final Raster raster) {
            GDI32 gdi = GDI32.INSTANCE;
            final HRGN region = raster != null
                ? gdi.CreateRectRgn(0, 0, 0, 0) : null;
            if (region != null) {
                final HRGN tempRgn = gdi.CreateRectRgn(0, 0, 0, 0);
                try {
                    RasterRangesUtils.outputOccupiedRanges(raster, new RasterRangesUtils.RangesOutput() {
                        public boolean outputRange(int x, int y, int w, int h) {
                            GDI32 gdi = GDI32.INSTANCE;
                            gdi.SetRectRgn(tempRgn, x, y, x + w, y + h);
                            return gdi.CombineRgn(region, region, tempRgn, WinGDI.RGN_OR) != WinGDI.ERROR;
                        }
                    });
                }
                finally {
                    gdi.DeleteObject(tempRgn);
                }
            }
            setWindowRegion(w, region);
        }

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    @Override
    protected void setMask(final Component w, final Rectangle[] rectangles) {
      whenDisplayable(w, new Runnable() {
        public void run() {
          GDI32 gdi = GDI32.INSTANCE;
          User32 user = User32.INSTANCE;
          HWND hWnd = getHWnd(w);
          final HRGN result = gdi.CreateRectRgn(0, 0, 0, 0);
          try {
            if (rectangles == null) {
              gdi.SetRectRgn(result, 0, 0, w.getWidth(), w
                  .getHeight());
            } else {
              final HRGN tempRgn = gdi.CreateRectRgn(0, 0, 0, 0);
              try {
                for (int i = 0; i < rectangles.length; i++) {
                  Rectangle rectangle = rectangles[i];
                  gdi.SetRectRgn(tempRgn, rectangle.x,
                      rectangle.y, rectangle.x
                      + rectangle.width,
                      rectangle.y + rectangle.height);
                  gdi.CombineRgn(result, result, tempRgn,
                      WinGDI.RGN_OR);
                }
              } finally {
                gdi.DeleteObject(tempRgn);
              }
            }
            user.SetWindowRgn(hWnd, result, true);
          } finally {
            gdi.DeleteObject(result);
          }
          setForceHeavyweightPopups(getWindow(w), rectangles != null);
        }
      });
    }

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            private Dimension bitmapSize;
            public W32TransparentContentPane(Container content) {
                super(content);
            }
            private void disposeBackingStore() {
                GDI32 gdi = GDI32.INSTANCE;
                if (hBitmap != null) {
                    gdi.DeleteObject(hBitmap);
                    hBitmap = null;
                }
                if (memDC != null) {
                    gdi.DeleteDC(memDC);
                    memDC = null;
                }
            }

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            }
            @Override
      protected void paintDirect(BufferedImage buf, Rectangle bounds) {
                // TODO: paint frame decoration if window is decorated
                Window win = SwingUtilities.getWindowAncestor(this);
                GDI32 gdi = GDI32.INSTANCE;
                User32 user = User32.INSTANCE;
                int x = bounds.x;
                int y = bounds.y;
                Point origin = SwingUtilities.convertPoint(this, x, y, win);
                int w = bounds.width;
                int h = bounds.height;
                int ww = win.getWidth();
                int wh = win.getHeight();
                HDC screenDC = user.GetDC(null);
                HANDLE oldBitmap = null;
                try {
                    if (memDC == null) {
                        memDC = gdi.CreateCompatibleDC(screenDC);
                    }
                    if (hBitmap == null || !win.getSize().equals(bitmapSize)) {
                        if (hBitmap != null) {
                            gdi.DeleteObject(hBitmap);
                            hBitmap = null;
                        }
                        BITMAPINFO bmi = new BITMAPINFO();
                        bmi.bmiHeader.biWidth = ww;
                        bmi.bmiHeader.biHeight = wh;
                        bmi.bmiHeader.biPlanes = 1;
                        bmi.bmiHeader.biBitCount = 32;
                        bmi.bmiHeader.biCompression = WinGDI.BI_RGB;
                        bmi.bmiHeader.biSizeImage = ww * wh * 4;
                        PointerByReference ppbits = new PointerByReference();
                        hBitmap = gdi.CreateDIBSection(memDC, bmi,
                                                       WinGDI.DIB_RGB_COLORS,
                                                       ppbits, null, 0);
                        pbits = ppbits.getValue();
                        bitmapSize = new Dimension(ww, wh);
                    }
                    oldBitmap = gdi.SelectObject(memDC, hBitmap);
                    Raster raster = buf.getData();
                    int[] pixel = new int[4];
                    int[] bits = new int[w];
                    for (int row = 0; row < h; row++) {
                        for (int col = 0; col < w; col++) {
                            raster.getPixel(col, row, pixel);
                            int alpha = (pixel[3] & 0xFF) << 24;
                            int red = (pixel[2] & 0xFF);
                            int green = (pixel[1] & 0xFF) << 8;
                            int blue = (pixel[0] & 0xFF) << 16;
                            bits[col] = alpha | red | green | blue;
                        }
                        int v = wh - (origin.y + row) - 1;
                        pbits.write((v*ww+origin.x)*4, bits, 0, bits.length);
                    }
                    SIZE winSize = new SIZE();
                    winSize.cx = win.getWidth();
                    winSize.cy = win.getHeight();
                    POINT winLoc = new POINT();
                    winLoc.x = win.getX();
                    winLoc.y = win.getY();
                    POINT srcLoc = new POINT();
                    BLENDFUNCTION blend = new BLENDFUNCTION();
                    HWND hWnd = getHWnd(win);
                    // extract current constant alpha setting, if possible
                    ByteByReference bref = new ByteByReference();
                    IntByReference iref = new IntByReference();
                    byte level = getAlpha(win);
                    try {
                        // GetLayeredwindowAttributes supported WinXP and later
                        if (user.GetLayeredWindowAttributes(hWnd, null, bref, iref)
                            && (iref.getValue() & User32.LWA_ALPHA) != 0) {
                            level = bref.getValue();
                        }
                    }
                    catch(UnsatisfiedLinkError e) {
                    }
                    blend.SourceConstantAlpha = level;
                    blend.AlphaFormat = User32.AC_SRC_ALPHA;
                    user.UpdateLayeredWindow(hWnd, screenDC, winLoc, winSize, memDC,
                                             srcLoc, 0, blend, User32.ULW_ALPHA);
                }
                finally {
                    user.ReleaseDC(null, screenDC);
                    if (memDC != null && oldBitmap != null) {
                        gdi.SelectObject(memDC, oldBitmap);
                    }
                }
            }

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        private HANDLE port;
        private Map fileMap = new HashMap();
        private Map handleMap = new HashMap();
        
        private void handleChanges(FileInfo finfo) throws IOException {
            Kernel32 klib = Kernel32.INSTANCE;
            FILE_NOTIFY_INFORMATION fni = finfo.info;
            // Need an explicit read, since data was filled in asynchronously
            fni.read();
            do {
                FileEvent event = null;
                File file = new File(finfo.file, fni.getFilename());
                switch(fni.Action) {
                case Kernel32.FILE_ACTION_MODIFIED:
                    event = new FileEvent(file, FILE_MODIFIED); break;
                case Kernel32.FILE_ACTION_ADDED:
                    event = new FileEvent(file, FILE_CREATED); break;
                case Kernel32.FILE_ACTION_REMOVED:
                    event = new FileEvent(file, FILE_DELETED); break;
                case Kernel32.FILE_ACTION_RENAMED_OLD_NAME:
                    event = new FileEvent(file, FILE_NAME_CHANGED_OLD); break;
                case Kernel32.FILE_ACTION_RENAMED_NEW_NAME:
                    event = new FileEvent(file, FILE_NAME_CHANGED_NEW); break;
                default:
                    // TODO: other actions...
                    System.err.println("Unrecognized file action '" + fni.Action + "'");
                }
                if (event != null)
                    notify(event);
                fni = fni.next();
            } while (fni != null);
            // Trigger the next read
            if (!finfo.file.exists()) {
                unwatch(finfo.file);
                return;
            }
            
            if (!klib.ReadDirectoryChangesW(finfo.handle, finfo.info,
                                            finfo.info.size(), finfo.recursive,
                                            finfo.notifyMask, finfo.infoLength, 
                                            finfo.overlapped, null)) {
                int err = klib.GetLastError();
                throw new IOException("ReadDirectoryChangesW failed on "
                                      + finfo.file + ": '" 
                                      + getSystemError(err)
                                      + "' (" + err + ")");
            }

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                                      + getSystemError(err)
                                      + "' (" + err + ")");
            }
        }
        private FileInfo waitForChange() {
            Kernel32 klib = Kernel32.INSTANCE;
            IntByReference rcount = new IntByReference();
            HANDLEByReference rkey = new HANDLEByReference();
            PointerByReference roverlap = new PointerByReference();
            klib.GetQueuedCompletionStatus(port, rcount, rkey, roverlap, Kernel32.INFINITE);
            return (FileInfo)handleMap.get(rkey.getValue());
        }

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                dir = dir.getParentFile();
            }
            if (dir == null) {
                throw new FileNotFoundException("No ancestor found for " + file);
            }
            Kernel32 klib = Kernel32.INSTANCE;
            int mask = Kernel32.FILE_SHARE_READ
                | Kernel32.FILE_SHARE_WRITE | Kernel32.FILE_SHARE_DELETE;
            int flags = Kernel32.FILE_FLAG_BACKUP_SEMANTICS
                | Kernel32.FILE_FLAG_OVERLAPPED;
            HANDLE handle = klib.CreateFile(file.getAbsolutePath(), 
                                            Kernel32.FILE_LIST_DIRECTORY,
                                            mask, null, Kernel32.OPEN_EXISTING,
                                            flags, null);
            if (Kernel32.INVALID_HANDLE_VALUE.equals(handle)) {
                throw new IOException("Unable to open " + file + " (" 
                                      + klib.GetLastError() + ")");
            }
            int notifyMask = convertMask(eventMask);
            FileInfo finfo = new FileInfo(file, handle, notifyMask, recursive);
            fileMap.put(file, finfo);
            handleMap.put(handle, finfo);
            // Existing port is returned
            port = klib.CreateIoCompletionPort(handle, port, handle.getPointer(), 0);
            if (Kernel32.INVALID_HANDLE_VALUE.equals(port)) {
                throw new IOException("Unable to create/use I/O Completion port "
                        + "for " + file + " ("
                        + klib.GetLastError() + ")");
            }
            // TODO: use FileIOCompletionRoutine callback method instead of a 
            // dedicated thread
            if (!klib.ReadDirectoryChangesW(handle, finfo.info, finfo.info.size(), 
                                            recursive, notifyMask, finfo.infoLength, 
                                            finfo.overlapped, null)) {
                int err = klib.GetLastError();
                throw new IOException("ReadDirectoryChangesW failed on "
                                      + finfo.file 
                                      + ": '" + getSystemError(err)
                                      + "' (" + err + ")");
            }

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        }
        protected synchronized void unwatch(File file) {
            FileInfo finfo = (FileInfo)fileMap.remove(file);
            if (finfo != null) {
                handleMap.remove(finfo.handle);
                Kernel32 klib = Kernel32.INSTANCE;
                klib.CloseHandle(finfo.handle);
            }
        }

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                Kernel32 klib = Kernel32.INSTANCE;
                klib.CloseHandle(finfo.handle);
            }
        }
        protected synchronized void dispose() {
            Kernel32 klib = Kernel32.INSTANCE;
            klib.PostQueuedCompletionStatus(port, 0, null, null);
            klib.CloseHandle(port);
            port = null;
            watcher = null;
        }

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Related Classes of com.sun.jna.examples.win32.WinNT$SID_AND_ATTRIBUTES

com.sun.jna.examples.AlphaMaskDemo

com.sun.jna.examples.FileMonitor$W32FileMonitor

com.sun.jna.examples.FileUtils$W32FileUtils

com.sun.jna.examples.KeyboardUtils$W32KeyboardUtils

com.sun.jna.examples.win32.Advapi32Util

com.sun.jna.examples.win32.Advapi32Util$EventLogRecord

com.sun.jna.examples.win32.Kernel32Util

com.sun.jna.examples.win32.W32Errors

com.sun.jna.examples.win32.WinNT.ACCESS_ACEStructure

com.sun.jna.examples.win32.WinNT.ACL

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