Imported nxcompshad-3.1.0-2.tar.gz

nxcompshad/CHANGELOG

+ChangeLog:
+
+nxcompshad-3.1.0-2
+
+- Updated file VERSION to match the current release version.
+
+nxcompshad-3.1.0-1
+
+- Opened the 3.1.0 branch based on nxcompshad-3.0.0-19.
+
+nxcompshad-3.0.0-19
+
+- Skip initialization of damage extension if it was already disabled.
+
+nxcompshad-3.0.0-18
+
+- The poller destructor checks if the damage extension is in use.
+
+- Small changes to the function getting the screen content in the case
+  damage is not in use.
+
+nxcompshad-3.0.0-17
+
+- Cleanup of some log messages.
+
+nxcompshad-3.0.0-16
+
+- Disabled some log message in the functions initializing the poller.
+
+nxcompshad-3.0.0-15
+
+- Before calling XTest functions, it is checked if the connection to
+  master X server has been initialized.
+
+nxcompshad-3.0.0-14
+
+- After the shm segment is created, its mode is changed and it is
+  marked for destroying. A check on the number of attaches is done.
+
+nxcompshad-3.0.0-13
+
+- Creating the shm segment even if the uid of master X server can't be
+  retrieved.
+
+- Fixed reallocation of update region.
+
+- Checking if the master X server provides XTest extension.
+
+nxcompshad-3.0.0-12
+
+- Fixed a compiler warning on AMD64 platform.
+
+- Changed configure script to add -fPIC option.
+
+- Fixed a mismatch in UpdateManager destructor.
+
+nxcompshad-3.0.0-11
+
+- Fixed the function setting the uid of shm segment.
+
+- Sync with the master X server before marking the shm segment to be
+  destroyed.
+
+nxcompshad-3.0.0-10
+
+- Setting the shm segments as readable only by the master X server
+  process.
+
+- Mark shm segments to be destroyed when the last process detach.
+
+- Enabled keycode translation in order to allow keyboards of different
+  models to work.
+
+nxcompshad-3.0.0-9
+
+- Changed the LICENSE file to state that the software is only made
+  available under the version 2 of the GPL.
+
+- Added file COPYING.
+
+- Changes to translate keycodes between different keyboard types. The
+  keycodes are translated through the keysym.
+
+- Changes to convert a Mode_switch key to ISO_Level3_Shift if it is
+  needed.
+
+nxcompshad-3.0.0-8
+
+- Added interface function NXShadowDisableShm disabling the use of
+  MIT-SHM extension.
+
+- Added interface function NXShadowDisableDamage disabling the use of
+  DAMAGE extension.
+
+- Added interface function NXShadowSetDisplayUid setting the uid of
+  shadowed X server
+
+- Changed the owner of shared memory segments to the uid of the sha-
+  dowed X server.
+
+- Fixed logWarning method.
+
+- Moved the code initializing the use of shared memory to shmInit
+  method of X11 Poller.
+
+nxcompshad-3.0.0-7
+
+- Removed the class qualifier in the declaration of destroyUpdate-
+  ManagerRegion().
+
+nxcompshad-3.0.0-6
+
+- Fixed build errors on 64 bit platforms.
+
+- Called XTestGrabControl to override possible grabs of the X server.
+
+nxcompshad-3.0.0-5
+
+- Added some stub members to the Poller class. These are intended to
+  handle keyboard state.
+
+- Changes in the default polling algorithm to disable the line pri-
+  ority persistence.
+
+nxcompshad-3.0.0-4
+
+- If a low layer handling of screen changes is available (DAMAGE in
+  case of X11), polling routine uses it and returns immediately.
+
+- Creating a Damage notify object if the extension is supported.
+
+- DamageNotify events are saved in the update region. After all avail-
+  able events have been handled, the content of screen is retrieved
+  by ShnGetImage requests.
+
+- XDamageSubtract and XSync are done before any event handling.
+
+- Damages are requested as raw rectangles.
+
+- Added Xdamage and Xrandr to required libraries.
+
+- Fixed a problem with some lines not refreshed in shadowing mode.
+
+nxcompshad-3.0.0-3
+
+- Added destroyUpdateManagerRegion() method to UpdateManager class.
+
+- Turned off some log messages.
+
+- Changed configure.in to remove warnings related to deprecated header
+  files and options.
+
+- Changed Makefile.in to remove autom4te.cache dir if the target is
+  'distclean'.
+
+- Removed multi-word file names.
+
+nxcompshad-3.0.0-2
+
+- Changes to get the screen of original display by a ShmGetImage.
+
+- Exit the polling loop if more than 50 ms have elapsed.
+
+nxcompshad-3.0.0-1
+
+- Created nxcompshad based on nxshadow-3.0.0-7.
+
+nxshadow-3.0.0-7
+
+- Deleted files KeyCursorTmp.cpp, scancodes.h, constant.h.
+
+- Renamed NXshadow.h to Shadow.h.
+
+- Merged NXshadowEvent.h with Shadow.h.
+
+- Fixed configure.in, changed Makefile.in to build Xcompshad library,
+  rebuilt configure script.
+
+nxshadow-3.0.0-6
+
+- Implemented a callback mechanism to ask the caller program if screen
+  polling have to be suspended.
+
+nxshadow-3.0.0-5
+
+- Changes to comply with the library name.
+
+- Fixed a bug in CorePoller that could prevent the update of the last
+  line of a rectangle.
+
+nxshadow-3.0.0-4
+
+- Removed some parameters of the NXShadowAddUpdaterDisplay() function.
+
+nxshadow-3.0.0-3
+
+- Updated copyright notices to the current year.
+
+- Code cleanup in KeysCursorTmp.c file.
+
+nxshadow-3.0.0-2
+
+- If master agent uses shared memory extension, the GetImage is rea-
+  lized by XShmGetImage() function.
+
+- Added new parameters to NXShadowAddUpdaterDisplay() function, the
+  depth and bit mask color of the master display.
+
+nxshadow-3.0.0-1
+
+- Opened the nxshadow-3.0.0 branch based on the nxaccess-3.0.0-13.
+
+- Renamed NXaccess.h NXaccessEvent.h and RegionM.h files as NXshadow.h
+  NXshadowEvent.h and Regions.h.
+
+- Modified the Makefile.in file and configure scripts in order to
+  compile the component.
+
+nxaccess-3.0.0-13
+
+- Fixed X11Poller.cpp pre-processing.
+
+nxaccess-3.0.0-12
+
+- Fixed build problems on Solaris.
+
+nxaccess-3.0.0-11
+
+- Added NXShadowUpdateBuffer() function. This function creates the
+  buffer for the polling.
+
+- If the scaline fails, the polling will suspend for 50 ms.
+
+- Added some functions in order to access data member class.
+
+nxaccess-3.0.0-10
+
+- Used XTEST extension to make the shared display create input events.
+
+nxaccess-3.0.0-9
+
+- Added the mouse events.
+
+- Now, it's possible to connect to X server display or agent display,
+  the display's content is captured by GetImage and sent to another
+  display by PutImage.
+
+nxaccess-3.0.0-8
+
+- Added KeysCursorTmp.cpp file.
+
+- Solved a problem with the keys, when the window lost focus the Key-
+  Release events weren't propagated.
+
+nxaccess-3.0.0-7
+
+- Added functions in order to remove issues with some keys combina-
+  tion.
+
+nxaccess-3.0.0-6
+
+- Added functions to simulate keys Ctrl + Alt + Del in order to run
+  the Task Manager application.
+
+- Now nxaccess is able to manage all switches between desktops.
+
+nxaccess-3.0.0-5
+
+- Solved a problem with the cursor shape. After a while, the cursor
+  shape are no more updated.
+
+- Now the cursor is updated only when it changes its shape.
+
+- Removed a dirty lines after screen updates.
+
+- Removed the unused file Keyboard.cpp.
+
+- Added the colorCorrect() macro in NXaccess.h.
+
+- Removed the colorCorrect() function in Updater.cpp.
+
+nxaccess-3.0.0-4
+
+- Renamed some source files and functions conforming them to the name
+  of component.
+
+nxaccess-3.0.0-3
+
+- Removed the parameter of type Display in all methods of the class
+  Poller.
+
+- Print, Break and Pause keys are enabled.
+
+nxaccess-3.0.0-2
+
+- Modified the Makefile.in in order to avoid compiling the executive
+  file.
+
+- Removed the unused file Main.cpp.
+
+- The Windows keys are enabled.
+
+- Synchronized local and remote states of Num_Lock, Caps_Lock and
+  Scroll_Lock.
+
+- Updated the NoMachine copyright notices.
+
+nxaccess-3.0.0-1
+
+- Opened the 3.0.0 branch based on the nxmirror-2.0.0-3.
+
+nxmirror-2.0.0-3
+
+- Added the keyboard events for all layouts.
+
+- The mouse wheel button is enabled.
+
+nxmirror-2.0.0-2
+
+- Completed implementation of the keyboard events only for italian
+  layout.
+
+- Added the mouse events and shape cursor.
+
+nxmirror-2.0.0-1
+
+- Opened the 2.0.0 branch based on the 1.5.0-60.
+
+- Added CHANGELOG.

nxcompshad/Core.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef CorePoller_H
+#define CorePoller_H
+
+#include <stdio.h>
+
+#include "Logger.h"
+#include "Regions.h"
+#include "Input.h"
+
+typedef enum{
+  LINE_HAS_CHANGED,
+  LINE_NOT_CHECKED,
+  LINE_NOT_CHANGED
+} LineStatus;
+
+typedef enum{
+  HIGHEST_PRIORITY = 0,
+  PRIORITY = 30,
+  NOT_PRIORITY = 90
+} LinePriority;
+
+class CorePoller
+{
+  public:
+
+  CorePoller(Input*, Display*);
+
+  virtual ~CorePoller();
+
+  virtual int init();
+
+  unsigned int width() const;
+
+  unsigned int height() const;
+
+  unsigned char depth() const;
+
+  int isChanged(int (*)(void*), void *, int *);
+
+  char *getFrameBuffer() const;
+
+  void destroyFrameBuffer();
+
+  void createFrameBuffer();
+
+  Region lastUpdatedRegion();
+
+  Region getLastUpdatedRegion();
+
+  void handleInput();
+
+  void handleEvent(Display *, XEvent *);
+
+  Display *getShadowDisplay();
+
+  void setShadowDisplay(Display *shadowDisplay);
+
+  protected:
+
+  unsigned int bpp_;
+
+  unsigned int bpl_;
+
+  unsigned int width_;
+
+  unsigned int height_;
+
+  int depth_;
+
+  char *buffer_;
+
+  unsigned long redMask_;
+  unsigned long greenMask_;
+  unsigned long blueMask_;
+  unsigned long colorMask_[3];
+
+  char mirror_;
+
+  char mirrorChanges_;
+
+  virtual int updateShadowFrameBuffer(void) = 0;
+
+  virtual char *getRect(XRectangle r) = 0;
+
+  int imageByteOrder_;
+
+  #ifdef __CYGWIN32__
+  virtual char checkDesktop(void) = 0;
+  #endif
+
+  Display *shadowDisplay_;
+
+  void update(char *src, XRectangle r);
+
+  Region lastUpdatedRegion_;
+
+  private:
+
+  virtual void handleKeyboardEvent(Display *, XEvent *) = 0;
+
+  virtual void handleMouseEvent(Display *, XEvent *) = 0;
+
+  Input *input_;
+
+  static const int maxSliceHeight_;
+  static const int minSliceHeight_;
+
+  LineStatus *lineStatus_;
+  int *linePriority_;
+
+  static const char interlace_[];
+
+  int *lefts_;
+  int *rights_;
+
+  // FIXME: Make them friend.
+
+  int differ(char *src, XRectangle r);
+};
+
+inline unsigned int CorePoller::width() const
+{
+  return width_;
+}
+
+inline unsigned int CorePoller::height() const
+{
+  return height_;
+}
+
+inline unsigned char CorePoller::depth() const
+{
+  return depth_;
+}
+
+inline char *CorePoller::getFrameBuffer() const
+{
+  return buffer_;
+}
+
+inline void CorePoller::destroyFrameBuffer()
+{
+  if (buffer_ != NULL)
+  {
+    delete[] buffer_;
+    buffer_ = NULL;
+  }
+}
+
+inline Region CorePoller::lastUpdatedRegion()
+{
+  Region region = lastUpdatedRegion_;
+
+  lastUpdatedRegion_ = XCreateRegion();
+
+  if (lastUpdatedRegion_ == NULL)
+  {
+    logError("CorePoller::lastUpdatedRegion", ESET(ENOMEM));
+
+    lastUpdatedRegion_ = region;
+
+    return NULL;
+  }
+
+  return region;
+}
+
+inline Region CorePoller::getLastUpdatedRegion()
+{
+  return lastUpdatedRegion_;
+}
+
+inline Display *CorePoller::getShadowDisplay()
+{
+  return shadowDisplay_ ;
+}
+
+inline void CorePoller::setShadowDisplay(Display *shadowDisplay)
+{
+  shadowDisplay_ = shadowDisplay;
+}
+
+#endif /* CorePoller_H */

nxcompshad/Input.cpp

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include <string.h>
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+#include "Input.h"
+#include "Logger.h"
+
+Input::Input()
+{
+  logTrace("Input::Input");
+
+  eventsHead_ = NULL;
+  eventsTail_ = NULL;
+  keymap_ = NULL;
+}
+
+Input::~Input()
+{
+  logTrace("Input::~Input");
+
+  Event *head = eventsHead_;
+
+  while (head)
+  {
+    Event *next = head -> next;
+
+    delete head -> event;
+    delete head;
+
+    head = next;
+  }
+
+  if (keymap_ != NULL)
+  {
+    logDebug("Input::~Input", "Delete keymap_ [%p].", keymap_);
+
+    delete [] keymap_;
+  }
+}
+
+void Input::pushEvent(Display *display, XEvent *event)
+{
+  Event *tail = new Event;
+
+  if (tail == NULL)
+  {
+    logError("Input::pushEvent", ESET(ENOMEM));
+
+    return;
+  }
+
+  tail -> next = NULL;
+  tail -> display = display;
+  tail -> event = event;
+
+  if (eventsHead_ == NULL)
+  {
+    eventsHead_ = tail;
+  }
+  else
+  {
+    eventsTail_ -> next = tail;
+  }
+
+  eventsTail_ = tail;
+}
+
+XEvent *Input::popEvent()
+{
+  Event *head = eventsHead_;
+
+  if (head == NULL)
+  {
+    return 0;
+  }
+
+  XEvent *event = head -> event;
+
+  eventsHead_ = head -> next;
+
+  delete head;
+
+  if (eventsHead_ == NULL)
+  {
+    eventsTail_ = NULL;
+  }
+
+  return event;
+}
+
+int Input::removeAllEvents(Display *display)
+{
+  logTrace("Input::removeAllEvents");
+
+  int nRemoved = 0;
+
+  Event *current = eventsHead_;
+
+  while (current)
+  {
+    if (display == current -> display)
+    {
+      //
+      // Update head of list.
+      //
+
+      if (current == eventsHead_)
+      {
+        eventsHead_ = current -> next;
+      }
+
+      //
+      // Update tail of list.
+      //
+
+      if (current == eventsTail_)
+      {
+        eventsTail_ = eventsHead_;
+
+        while (eventsTail_ && eventsTail_ -> next)
+        {
+          eventsTail_ = eventsTail_ -> next;
+        }
+      }
+
+      //
+      // Remove event.
+      //
+
+      Event *next = current -> next;
+
+      delete current -> event;
+      delete current;
+
+      current = next;
+
+      nRemoved++;
+    }
+    else
+    {
+      current = current -> next;
+    }
+  }
+
+  return nRemoved;
+}
+

nxcompshad/Input.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef Input_H
+#define Input_H
+
+#include <X11/Xlib.h>
+
+typedef struct Event
+{
+  struct Event *next;
+  Display *display;
+  XEvent *event;
+} Event;
+
+class Input
+{
+  public:
+
+  Input();
+
+  ~Input();
+
+  int checkIfEvent();
+
+  void pushEvent(Display *, XEvent *);
+
+  XEvent *popEvent();
+  Display *currentDisplay();
+
+  int removeAllEvents(Display *);
+
+  void setKeymap(char *keymap);
+  char *getKeymap();
+
+  void setShadowDisplayName(char *shadowDisplayName);
+  char *getShadowDisplayName();
+
+  private:
+
+  Event *eventsHead_;
+  Event *eventsTail_;
+  char *keymap_;
+  char *shadowDisplayName_;
+};
+
+inline Display *Input::currentDisplay()
+{
+  return eventsHead_ ? eventsHead_ -> display : NULL;
+}
+
+inline int Input::checkIfEvent()
+{
+  return (eventsHead_ != NULL);
+}
+
+inline void Input::setKeymap(char *keymap)
+{
+  keymap_ = keymap;
+}
+
+inline char *Input::getKeymap()
+{
+  return keymap_;
+}
+
+inline void Input::setShadowDisplayName(char *shadowDisplayName)
+{
+  shadowDisplayName_ = shadowDisplayName;
+}
+
+inline char *Input::getShadowDisplayName()
+{
+  return shadowDisplayName_;
+}
+
+#endif /* Input_H */

nxcompshad/LICENSE

+Copyright (C) 2001, 2007 NoMachine - http://www.nomachine.com/.
+
+NXCOMPSHAD and NX extensions to X are copyright of NoMachine.
+
+Redistribution and use of this software is allowed according to the
+following terms:
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License Version 2, and
+not any other version, as published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTA-
+BILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, you can request a copy to NoMachine
+or write to the Free Software Foundation, Inc., 59 Temple Place,
+Suite 330, Boston, MA  02111-1307 USA
+
+All rights reserved.

nxcompshad/Logger.cpp

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com.          */
+/*                                                                        */
+/* NXCOMP, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include <stdio.h>
+#include <ctype.h>
+#include <unistd.h>
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#define DEBUG
+
+#include "Misc.h"
+#include "Logger.h"
+
+Logger logger;
+
+void Logger::user(const char *format, va_list arguments)
+{
+  char string[1024];
+
+  vsnprintf(string, 1024, format, arguments);
+
+  fprintf(stderr, "%s\n", string);
+}
+
+void Logger::error(const char *name, int error)
+{
+  fprintf(stderr, "PANIC! %s: Failed with code %d: %s\n",
+               name, error, strerror(error));
+}
+
+void Logger::warning(const char *name, const char *format, va_list arguments)
+{
+  char string[1024];
+
+  vsnprintf(string, 1024, format, arguments);
+
+  fprintf(stderr, "%s: WARNING! %s\n", name, string);
+}
+
+void Logger::test(const char *name, const char *format, va_list arguments)
+{
+  char string[1024];
+
+  vsnprintf(string, 1024, format, arguments);
+
+  fprintf(stderr, "%s: %s\n", name, string);
+}
+
+void Logger::trace(const char *name)
+{
+  fprintf(stderr, "%s\n", name);
+}
+
+void Logger::debug(const char *name, const char *format, va_list arguments)
+{
+  char string[1024];
+
+  vsnprintf(string, 1024, format, arguments);
+
+  fprintf(stderr, "%s: %s\n", name, string);
+}
+
+void Logger::dump(const char *name, const char *data, int size)
+{
+  fprintf(stderr, "%s: Dumping %d bytes of data at %p\n",
+              name, size, data);
+
+  for (int i = 0; i < size;)
+  {
+    fprintf(stderr, "[%d]\t", i);
+
+    int t = i;
+
+    for (unsigned int ii = 0; i < size && ii < 8; i++, ii++)
+    {
+      fprintf(stderr, "%02x/%d\t", data[i] & 0xff, data[i]);
+    }
+
+    for (unsigned int ii = i % 8; ii > 0 && ii < 8; ii++)
+    {
+      fprintf(stderr, "\t");
+    }
+
+    i = t;
+
+    for (unsigned int ii = 0; i < size && ii < 8; i++, ii++)
+    {
+      if (isprint(data[i]))
+      {
+        fprintf(stderr, "%c", data[i]);
+      }
+      else
+      {
+        fprintf(stderr, ".");
+      }
+    }
+
+    fprintf(stderr, "\n");
+  }
+}

nxcompshad/Logger.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com.          */
+/*                                                                        */
+/* NXCOMP, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef Logger_H
+#define Logger_H
+
+#include <errno.h>
+#include <stdarg.h>
+
+//
+// Error handling macros.
+//
+
+#define ESET(e)  (errno = (e))
+#define EGET()   (errno)
+#define ESTR()   strerror(errno)
+
+extern class Logger logger;
+
+class Logger
+{
+  public:
+
+  void user(const char *format, va_list arguments);
+
+  void error(const char *name, int error);
+
+  void warning(const char *name, const char *format, va_list arguments);
+
+  void test(const char *name, const char *format, va_list arguments);
+
+  void trace(const char *name);
+
+  void debug(const char *name, const char *format, va_list arguments);
+
+  void dump(const char *name, const char *data, int size);
+};
+
+static inline void logUser(const char *format, ...) \
+    __attribute__((format(printf, 1, 2))) __attribute__((__unused__));
+
+static inline void logError(const char *name, int error) \
+    __attribute__((__unused__));
+
+static inline void logWarning(const char *name, const char *format, ...) \
+    __attribute__((__unused__));
+
+static inline void logTest(const char *name, const char *format, ...) \
+    __attribute__((format(printf, 2, 3))) __attribute__((__unused__));
+
+static inline void logTrace(const char *name) \
+    __attribute__((__unused__));
+
+static inline void logDebug(const char *name, const char *format, ...) \
+    __attribute__((format(printf, 2, 3))) __attribute__((__unused__));
+
+static inline void logDump(const char *name, const char *data, int size) \
+    __attribute__((__unused__));
+
+static inline void logUser(const char *format, ...)
+{
+  va_list arguments;
+
+  va_start(arguments, format);
+
+  logger.user(format, arguments);
+
+  va_end(arguments);
+}
+
+static inline void logError(const char *name, int error)
+{
+  #if defined(DEBUG) || defined(TEST) || \
+          defined(WARNING) || defined(PANIC)
+
+  logger.error(name, error);
+
+  #endif
+}
+
+static inline void logWarning(const char *name, const char *format, ...)
+{
+  #if defined(DEBUG) || defined(TEST) || \
+          defined(WARNING)
+
+  va_list arguments;
+
+  va_start(arguments, format);
+
+  logger.warning(name, format, arguments);
+
+  va_end(arguments);
+
+  #endif
+}
+
+static inline void logTest(const char *name, const char *format, ...)
+{
+  #if defined(TEST)
+
+  va_list arguments;
+
+  va_start(arguments, format);
+
+  logger.test(name, format, arguments);
+
+  va_end(arguments);
+
+  #endif
+}
+
+static inline void logTrace(const char *name)
+{
+  #if defined(DEBUG)
+
+  logger.trace(name);
+
+  #endif
+}
+
+static inline void logDebug(const char *name, const char *format, ...)
+{
+  #if defined(DEBUG)
+
+  va_list arguments;
+
+  va_start(arguments, format);
+
+  logger.debug(name, format, arguments);
+
+  va_end(arguments);
+
+  #endif
+}
+
+static inline void logDump(const char *name, const char *data, int size)
+{
+  #if defined(TEST)
+
+  logger.dump(name, data, size);
+
+  #endif
+}
+
+#endif /* Logger_H */

nxcompshad/Makefile.in

+############################################################################
+#                                                                          #
+#  Copyright (c) 2001, 2005 NoMachine, http://www.nomachine.com.           #
+#                                                                          #
+#  NXCOMP, NX protocol compression and NX extensions to this software      #
+#  are copyright of NoMachine. Redistribution and use of the present       #
+#  software is allowed according to terms specified in the file LICENSE    #
+#  which comes in the source distribution.                                 #
+#                                                                          #
+#  Check http://www.nomachine.com/licensing.html for applicability.        #
+#                                                                          #
+#  NX and NoMachine are trademarks of Medialogic S.p.A.                    #
+#                                                                          #
+#  All rights reserved.                                                    #
+#                                                                          #
+############################################################################
+
+#
+# Get values from configure script.
+#
+
+VERSION=@VERSION@
+LIBVERSION=@LIBVERSION@
+
+#
+# We would really like to enable all warnings, -Wredundant-decls,
+# though, gives a warning caused by pthread.h and unistd.h and
+# GCC 3.4 was changed in a way that it now complains about some
+# of the -W directives we used before (-Wmissing-declarations,
+# -Wnested-externs, -Wstrict-prototypes and -Wmissing-prototypes).
+#
+
+CXX         = @CXX@
+CXXFLAGS    = @CXXFLAGS@ @X_CFLAGS@ @DEFS@ \
+              -Wall -Wpointer-arith
+CXXINCLUDES =
+CXXDEFINES  =
+
+#
+# C programs don't share the C++ flags. They should
+# have their own @CCFLAGS@.
+#
+
+CC          = @CC@
+CCFLAGS     = @X_CFLAGS@ @DEFS@ \
+              -Wall -Wpointer-arith
+CCINCLUDES  =
+CCDEFINES   =
+
+LDFLAGS     = @LDFLAGS@
+LIBS        = @LIBS@ -L/usr/X11R6/lib -lX11
+
+#
+# Only if THREADS is defined.
+#
+# LIBS = $(LIBS) -lpthread
+#
+
+#
+# Only if you want ElectricFence.
+#
+# LIBS = $(LIBS) -lefence
+#
+
+#
+# Only if you want mpatrol.
+#
+# LIBS = $(LIBS) -lmpatrol -lbfd -liberty
+#
+
+srcdir      = @srcdir@
+prefix      = @prefix@
+exec_prefix = @exec_prefix@
+bindir      = @bindir@
+man1dir     = @mandir@/man1
+VPATH       = @srcdir@
+
+INSTALL         = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_DATA    = @INSTALL_DATA@
+
+#
+# This should be autodetected.
+#
+
+MAKEDEPEND     = @MAKEDEPEND@
+DEPENDINCLUDES = -I/usr/include/g++ -I/usr/include/g++-3
+
+.SUFFIXES: .cpp.c
+
+.cpp.o:
+	$(CXX) -c $(CXXFLAGS) $(CXXINCLUDES) $(CXXDEFINES) $<
+.c.o:
+	$(CC) -c $(CCFLAGS) $(CCINCLUDES) $(CCDEFINES) $<
+
+LIBRARY = Xcompshad
+
+LIBNAME    = lib$(LIBRARY)
+LIBFULL    = lib$(LIBRARY).so.$(VERSION)
+LIBLOAD    = lib$(LIBRARY).so.$(LIBVERSION)
+LIBSHARED  = lib$(LIBRARY).so
+LIBARCHIVE = lib$(LIBRARY).a
+
+MSRC   = Main.c
+
+CSRC   =
+
+CXXSRC = Core.cpp \
+	 Input.cpp \
+	 Logger.cpp \
+	 Shadow.cpp \
+	 X11.cpp \
+	 Win.cpp \
+	 Updater.cpp \
+	 Manager.cpp
+
+MOBJ   = $(MSRC:.c.cpp=.o)
+COBJ   = $(CSRC:.c=.o)
+CXXOBJ = $(CXXSRC:.cpp=.o)
+
+MLIBS  = -L. -lXShadow
+
+ifeq ($(findstring -lgdi32,$(LIBS)),-lgdi32)
+
+# We need a smarter way to detect windows
+# platform.
+
+LIBDLL       = cyg$(LIBRARY).dll
+LIBDLLSTATIC = lib${LIBRARY}.dll.a
+
+all: depend $(LIBARCHIVE) $(LIBDLL)
+
+else
+
+EXTRALIBS = -lXtst -lXrandr -lXdamage
+
+all: depend $(LIBFULL) $(LIBLOAD) $(LIBSHARED) $(LIBARCHIVE)
+
+endif
+
+$(LIBFULL):	$(CXXOBJ) $(COBJ)
+		$(CXX) -o $@ $(LDFLAGS) $(CXXOBJ) $(COBJ) $(LIBS) $(EXTRALIBS)
+
+$(LIBLOAD):	$(LIBFULL)
+		rm -f $(LIBLOAD)
+		ln -s $(LIBFULL) $(LIBLOAD)
+
+$(LIBSHARED):	$(LIBFULL)
+		rm -f $(LIBSHARED)
+		ln -s $(LIBFULL) $(LIBSHARED)
+
+$(LIBARCHIVE):	$(CXXOBJ) $(COBJ)
+		rm -f  $(LIBARCHIVE)
+		ar clq $(LIBARCHIVE) $(CXXOBJ) $(COBJ)
+		ranlib $(LIBARCHIVE)
+
+$(LIBDLL): $(LIBARCHIVE)
+		$(CC) -o $@ \
+		-shared \
+		-Wl,--out-implib=$(LIBDLLSTATIC) \
+		-Wl,--export-all-symbols \
+		-Wl,--enable-auto-import \
+		-Wl,--whole-archive ${LIBARCHIVE} \
+		-Wl,--no-whole-archive \
+		${LIBS} -L/usr/X11R6/lib
+
+$(PROGRAM):	$(MOBJ) $(COBJ) $(CXXOBJ) $(LIBDLL)
+#		$(CC) $(CCFLAGS) -o $@ $(MOBJ) $(MLIBS)
+
+depends:	depend.status
+
+depend:		depend.status
+
+depend.status:	
+		if [ -x $(MAKEDEPEND) ] ; then \
+			$(MAKEDEPEND) $(CXXINCLUDES) $(CCINCLUDES) \
+                        $(DEPENDINCLUDES) -f Makefile $(MSRC) $(CSRC) $(CXXSRC) 2>/dev/null; \
+		fi
+		touch depend.status
+
+install:	install.bin install.man
+
+install.bin:
+
+install.man:
+
+clean:
+		-rm -f *~ *.o *.bak st?????? core core.* *.out.* *.exe.stackdump \
+		$(LIBFULL) $(LIBLOAD) $(LIBSHARED) $(LIBARCHIVE) $(LIBDLL) $(LIBDLLSTATIC) $(PROGRAM) $(PROGRAM).exe
+
+distclean:	clean
+		-rm -rf config.status config.log config.cache depend.status Makefile tags autom4te.cache

nxcompshad/Manager.cpp

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <string.h>
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+#include "Manager.h"
+#include "Logger.h"
+
+UpdateManager::UpdateManager(int w, int h, char *f, Input *i)
+  : width_(w), height_(h), frameBuffer_(f), input_(i)
+{
+  logTrace("UpdateManager::UpdateManager");
+
+  nUpdater = 0;
+  updaterVector = NULL;
+  updateManagerRegion_ = NULL;
+}
+
+UpdateManager::~UpdateManager()
+{
+  logTrace("UpdateManager::~UpdateManager");
+
+  for (int i = 0; i < nUpdater; i++)
+  {
+    delete updaterVector[i];
+  }
+
+  delete [] updaterVector;
+}
+
+Updater *UpdateManager::createUpdater(char *displayName, Display *display)
+{
+  Updater *updater = new Updater(displayName, display);
+
+  if (updater == NULL)
+  {
+    logError("UpdateManager::createUpdater", ESET(ENOMEM));
+
+    return NULL;
+  }
+
+  if (updater -> init(width_, height_, frameBuffer_, input_) == -1)
+  {
+    logError("UpdateManager::createUpdater", EGET());
+
+    delete updater;
+
+    return NULL;
+  }
+
+  return updater;
+}
+
+UpdaterHandle UpdateManager::addUpdater(char *displayName, Display *display)
+{
+  Updater *newUpdater = createUpdater(displayName, display);
+
+  if (newUpdater == NULL)
+  {
+    logError("UpdateManager::addUpdater", EGET());
+
+    return NULL;
+  }
+
+  Updater **newUpdaterVector = new Updater*[nUpdater + 1];
+
+  if (newUpdaterVector == NULL)
+  {
+    logError("UpdateManager::addUpdater", ESET(ENOMEM));
+
+    delete newUpdater;
+
+    return NULL;
+  }
+
+  for (int i = 0; i < nUpdater; i++)
+  {
+    newUpdaterVector[i] = updaterVector[i];
+  }
+
+  newUpdaterVector[nUpdater] = newUpdater;
+
+  delete [] updaterVector;
+
+  updaterVector = newUpdaterVector;
+
+  nUpdater++;
+
+  logTest("UpdateManager::AddUpdater", "Number of updaters [%d].", nUpdater);
+
+  return reinterpret_cast<UpdaterHandle>(newUpdater);
+}
+
+int UpdateManager::removeAllUpdaters()
+{
+  logTest("UpdateManager::removeAllUpdaters", "Number of updaters [%d].", nUpdater);
+
+  int nullUpdaters = 0;
+
+  for (int i = nUpdater; i > 0; i--)
+  {
+    if (removeUpdater(reinterpret_cast<UpdaterHandle>(updaterVector[i - 1])) == 0)
+    {
+      nullUpdaters++;
+    }
+  }
+
+  if (nUpdater == 0)
+  {
+    return 1;
+  }
+
+  if (nUpdater == nullUpdaters)
+  {
+    logTest("UpdateManager::removeAllUpdaters", "Ignored null records in Updater vector.");
+
+    return 0;
+  }
+
+  logTest("UpdateManager::removeAllUpdaters", "Failed to remove some updaters.");
+
+  return -1;
+}
+
+int UpdateManager::removeUpdater(UpdaterHandle handle)
+{
+  Updater * const updater = (Updater*) handle;
+
+  logTest("UpdateManager::removeUpdater", "Removing Updater [%p].", updater);
+
+  if (updater == NULL)
+  {
+    return 0;
+  }
+
+  for (int i = 0; i < nUpdater; i++)
+  {
+    if (updater == updaterVector[i])
+    {
+      updaterVector[i] = updaterVector[nUpdater - 1];
+
+      nUpdater--;
+
+      delete updater;
+
+      return 1;
+    }
+  }
+
+  logTest("UpdateManager::removeUpdater", "Couldn't find Updater [%p].", updater);
+
+  return -1;
+}
+
+void UpdateManager::addRegion(Region region)
+{
+  logTrace("UpdateManager::addRegion");
+
+  for (int i = 0; i < nUpdater; i++)
+  {
+    updaterVector[i] -> addRegion(region);
+  }
+
+  XDestroyRegion(region);
+}
+
+void UpdateManager::update()
+{
+  logTrace("UpdateManager::update");
+
+  for (int i = 0; i < nUpdater; i++)
+  {
+    /*updaterVector[i] -> update();*/
+    if (updaterVector[i] -> getUpdateRegion())
+    {
+      logDebug("UpdateManager::update", "pRegion [%p] rect[%ld].",
+                   updaterVector[i] -> getUpdateRegion(), (updaterVector[i] -> getUpdateRegion()) -> numRects);
+
+      updateManagerRegion_ = updaterVector[i] -> getUpdateRegion();
+      //
+      // FIXME: Remove me.
+      //
+      for (int j = 0; j < updateManagerRegion_ -> numRects; j++)
+      {
+        int x = updateManagerRegion_ -> rects[j].x1;
+        int y = updateManagerRegion_ -> rects[j].y1;
+        unsigned int width = updateManagerRegion_ -> rects[j].x2 - updateManagerRegion_ -> rects[j].x1;
+        unsigned int height = updateManagerRegion_ -> rects[j].y2 - updateManagerRegion_ -> rects[j].y1;
+        logDebug("UpdateManager::update", "x[%d]y[%d]width[%u]height[%u], updateManagerRegion_[%p]",
+                  x, y, width, height, updateManagerRegion_);
+      }
+    }
+  }
+}
+
+void UpdateManager::handleInput()
+{
+  logTrace("UpdateManager::handleInput");
+
+  for (int i = 0; i < nUpdater; i++)
+  {
+    try
+    {
+      updaterVector[i] -> handleInput();
+    }
+    catch (UpdaterClosing u)
+    {
+      logTest("UpdateManager::handleInput", "Catched exception UpdaterClosing().");
+
+      removeUpdater((UpdaterHandle)updaterVector[i]);
+
+      //
+      // Now the i-element of the updaterVector
+      // is changed. We don't want to skip it.
+      //
+
+      i--;
+    }
+  }
+}
+
+void UpdateManager::newRegion()
+{
+  logTrace("UpdateManager::newRegion");
+
+  for (int i = 0; i < nUpdater; i++)
+  {
+    updaterVector[i] -> newRegion();
+  }
+}

nxcompshad/Manager.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef UpdateManager_H
+#define UpdateManager_H
+
+#include <X11/Xlib.h>
+
+#include "Updater.h"
+#include "Regions.h"
+#include "Input.h"
+
+typedef char* UpdaterHandle;
+
+class UpdateManager
+{
+  public:
+
+  UpdateManager(int, int, char *, Input *);
+
+  ~UpdateManager();
+
+  void handleInput();
+
+  void addRegion(Region);
+
+  void update();
+
+  UpdaterHandle addUpdater(char *displayName, Display *display);
+
+  int removeUpdater(UpdaterHandle);
+
+  int removeAllUpdaters();
+
+  int numberOfUpdaters();
+
+  int getWidth();
+
+  int getHeight();
+
+  char *getBuffer();
+
+  Region getUpdateManagerRegion();
+
+  void destroyUpdateManagerRegion();
+
+  void newRegion();
+
+  private:
+
+  Updater *createUpdater(char *displayName, Display *display);
+
+  int width_;
+  int height_;
+  char *frameBuffer_;
+  Input *input_;
+
+  int nUpdater;
+
+  Updater **updaterVector;
+
+  Region updateManagerRegion_;
+
+};
+
+inline int UpdateManager::numberOfUpdaters()
+{
+  return nUpdater;
+}
+
+inline int UpdateManager::getWidth()
+{
+  return width_;
+}
+
+inline int UpdateManager::getHeight()
+{
+  return height_;
+}
+
+inline char *UpdateManager::getBuffer()
+{
+  return frameBuffer_;
+}
+
+inline Region UpdateManager::getUpdateManagerRegion()
+{
+  return updateManagerRegion_;
+}
+
+inline void UpdateManager::destroyUpdateManagerRegion()
+{
+  if (updateManagerRegion_ != NULL)
+  {
+    XDestroyRegion(updateManagerRegion_);
+
+    updateManagerRegion_ = NULL;
+  }
+}
+
+#endif /* UpdateManager_H */

nxcompshad/Misc.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef Misc_H
+#define Misc_H
+
+#include <iostream.h>
+
+#include <errno.h>
+#include <string.h>
+
+//
+// Error handling macros.
+//
+
+#define ESET(e)  (errno = (e))
+#define EGET()   (errno)
+#define ESTR()   strerror(errno)
+
+//
+// Log file.
+//
+
+extern ostream *logofs;
+
+#endif /* Misc_H */

nxcompshad/Poller.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef Poller_H
+#define Poller_H
+
+#if defined(__CYGWIN32__) || defined(WIN32)
+
+#include "Win.h"
+
+#else
+
+#include "X11.h"
+
+#endif
+
+#endif /* Poller_H */

nxcompshad/Regions.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef Region_H
+#define Region_H
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+typedef struct {
+    short x1, x2, y1, y2;
+} Box, BOX, BoxRec, *BoxPtr;
+
+typedef struct _XRegion {
+    long size;
+    long numRects;
+    BOX *rects;
+    BOX extents;
+};
+
+#endif /* Region_H */

nxcompshad/Shadow.cpp

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com.          */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include <signal.h>
+#include <string.h>
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+#include "Logger.h"
+#include "Shadow.h"
+#include "Poller.h"
+#include "Manager.h"
+
+ShadowOptions NXShadowOptions = {1, 1, -1};
+
+static int mirrorException = 0;
+
+static UpdateManager *updateManager;
+static Poller *poller;
+static Input *input;
+
+int NXShadowRemoveAllUpdaters();
+
+inline bool NXShadowNotInitialized()
+{
+  //
+  // updateManager depends on input and poller.
+  // So this test seem redundant.
+  //
+  // return (input == NULL) || (poller == NULL) || (updateManager == NULL);
+  //
+
+  return (updateManager == NULL);
+}
+
+#ifdef NEED_SIGNAL_HANDLER
+static void NXSignalHandler(int signal)
+{
+  logTest("NXSignalHandler", "Got signal [%d]", signal);
+
+  if (signal == SIGINT)
+  {
+    mirrorException = 1;
+  }
+  else if (signal == SIGTERM)
+  {
+    mirrorException = 1;
+  }
+}
+
+static int NXInitSignal()
+{
+  logTrace("NXInitSignal");
+
+  struct sigaction sa;
+
+  sa.sa_handler = NXSignalHandler;
+  sigfillset(&sa.sa_mask);
+  sa.sa_flags = 0;
+
+  int res;
+
+  while ((res = sigaction(SIGINT, &sa, NULL)) == -1 &&
+             errno == EINTR);
+
+  if (res == -1)
+  {
+    logError("NXInitSignal", EGET());
+
+    return -1;
+  }
+
+  return 1;
+}
+#endif
+
+static void NXHandleException()
+{
+  if (mirrorException)
+  {
+    mirrorException = 0;
+
+    NXShadowRemoveAllUpdaters();
+  }
+}
+
+static int NXCreateInput(char *keymap, char *shadowDisplayName)
+{
+  logTrace("NXCreateInput");
+
+  input = new Input;
+
+  if (input == NULL)
+  {
+    logError("NXCreateInput", ESET(ENOMEM));
+
+    return -1;
+  }
+
+  input -> setKeymap(keymap);
+
+  input -> setShadowDisplayName(shadowDisplayName);
+
+  return 1;
+}
+
+static int NXCreatePoller(Display *display, Display **shadowDisplay)
+{
+  logTrace("NXCreatePoller");
+
+  if (input == NULL)
+  {
+    logError("NXCreatePoller", ESET(EBADFD));
+
+    return -1;
+  }
+
+  poller = new Poller(input,display);
+
+  if (poller == NULL)
+  {
+    logError("NXCreatePoller", ESET(ENOMEM));
+
+    return -1;
+  }
+
+  if (poller -> init() == -1)
+  {
+    logTest("NXCreatePoller", "Failed to initialize poller.");
+
+    return -1;
+  }
+
+  *shadowDisplay = poller -> getShadowDisplay();
+
+  logTest("NXCreatePoller", "Poller geometry [%d, %d], ShadowDisplay[%p].", poller -> width(),
+              poller -> height(), (Display *) *shadowDisplay);
+
+  return 1;
+}
+
+static int NXCreateUpdateManager()
+{
+  logTrace("NXCreateUpdateManager");
+
+  if (input == NULL || poller == NULL)
+  {
+    logError("NXCreateUpdateManager", ESET(EBADFD));
+
+    return -1;
+  }
+
+  updateManager = new UpdateManager(poller -> width(), poller -> height(),
+                                        poller -> getFrameBuffer(), input);
+
+  if (updateManager == NULL)
+  {
+    logError("NXCreateUpdateManager", ESET(ENOMEM));
+
+    return -1;
+  }
+
+  return 1;
+}
+
+void  NXShadowResetOptions()
+{
+  NXShadowOptions.optionShmExtension = 1;
+  NXShadowOptions.optionDamageExtension = 1;
+}
+
+//
+// Exported functions.
+//
+
+int NXShadowHasUpdaters()
+{
+  logTrace("NXShadowHasUpdaters");
+
+  return (updateManager && updateManager -> numberOfUpdaters()) ? 1 : 0;
+}
+
+int NXShadowRemoveAllUpdaters()
+{
+  logTrace("NXShadowRemoveAllUpdaters");
+
+  return updateManager ? updateManager -> removeAllUpdaters() : 0;
+}
+
+int NXShadowRemoveUpdater(UpdaterHandle handle)
+{
+  logTrace("NXShadowRemoveUpdater");
+
+  return updateManager ? updateManager -> removeUpdater(handle) : 0;
+}
+
+UpdaterHandle NXShadowAddUpdater(char *displayName)
+{
+  logTrace("NXShadowAddUpdater");
+
+  return updateManager ? updateManager -> addUpdater(displayName, NULL) : NULL;
+}
+
+int NXShadowAddUpdaterDisplay(void *dpy, int *w, int *h, unsigned char *d)
+{
+  Display *display = reinterpret_cast<Display*>(dpy);
+
+  logTrace("NXShadowAddUpdaterDisplay");
+
+  if ((updateManager ? updateManager -> addUpdater(NULL, display) : NULL) == NULL)
+  {
+    logTest("NXShadowAddUpdaterDisplay", "Error");
+
+    return 0;
+  }
+
+  *w = updateManager -> getWidth();
+  *h = updateManager -> getHeight();
+  *d = poller -> depth();
+
+  return 1;
+}
+
+int NXShadowCreate(void *dpy, char *keymap, char* shadowDisplayName, void **shadowDpy)
+{
+  logTrace("NXShadowCreate");
+
+  Display *display = reinterpret_cast<Display*>(dpy);
+  Display **shadowDisplay = reinterpret_cast<Display**>(shadowDpy);
+
+/*  if (NXInitSignal() != 1)
+  {
+    logError("NXShadowCreate", EGET());
+
+    return -1;
+  }*/
+
+  if (NXCreateInput(keymap, shadowDisplayName) != 1)
+  {
+    logError("NXShadowCreate", EGET());
+
+    return -1;
+  }
+
+  if (NXCreatePoller(display, shadowDisplay) != 1)
+  {
+    logTest("NXShadowCreate", "NXCreatePoller failed.");
+
+    return -1;
+  }
+
+  if (NXCreateUpdateManager() != 1)
+  {
+    logError("NXShadowCreate", EGET());
+
+    return -1;
+  }
+
+  return 1;
+}
+
+#if !defined(__CYGWIN32__) && !defined(WIN32)
+
+void NXShadowSetDisplayUid(int uid)
+{
+  NXShadowOptions.optionShadowDisplayUid = uid;
+}
+
+void NXShadowDisableShm(void)
+{
+  logUser("NXShadowDisableShm: Disabling SHM.\n");
+
+  NXShadowOptions.optionShmExtension = 0;
+}
+
+void NXShadowDisableDamage(void)
+{
+  NXShadowOptions.optionDamageExtension = 0;
+}
+
+#endif
+
+void NXShadowDestroy()
+{
+  if (poller)
+  {
+    delete poller;
+
+    poller = NULL;
+  }
+
+  if (updateManager)
+  {
+    delete updateManager;
+
+    updateManager = NULL;
+  }
+
+  if (input)
+  {
+    delete input;
+
+    input = NULL;
+  }
+}
+
+void NXShadowHandleInput()
+{
+  logTrace("NXShadowHandleInput");
+
+  if (NXShadowNotInitialized())
+  {
+    logError("NXShadowHandleInput - NXShadow not properly initialized.", ESET(EBADFD));
+
+    return;
+  }
+
+  NXHandleException();
+
+  updateManager -> handleInput();
+
+  poller -> handleInput();
+}
+
+int NXShadowHasChanged(int (*callback)(void *), void *arg, int *suspended)
+{
+  int result;
+
+  logTrace("NXShadowHasChanged");
+
+  if (NXShadowNotInitialized())
+  {
+    logError("NXShadowHasChanged - NXShadow not properly initialized.", ESET(EBADFD));
+
+    return -1;
+  }
+
+  //
+  // FIXME
+  //updateManager -> destroyUpdateManagerRegion();
+  //
+
+  updateManager -> newRegion();
+
+#if !defined(__CYGWIN32__) && !defined(WIN32)
+  poller -> getEvents();
+#endif
+
+  result = poller -> isChanged(callback, arg, suspended);
+
+  if (result == 1)
+  {
+    updateManager -> addRegion(poller -> lastUpdatedRegion());
+
+    return 1;
+  }
+  else if (result == -1)
+  {
+    logTest("NXShadowHasChanged", "Scanline error.");
+    return -1;
+  }
+
+  return 0;
+}
+
+void NXShadowExportChanges(long *numRects, char **pBox)
+{
+  Region pReg;
+
+  logTrace("NXShadowExportChanges");
+
+  if (NXShadowNotInitialized())
+  {
+    logError("NXShadowExportChanges - NXShadow not properly initialized.", ESET(EBADFD));
+  }
+
+  updateManager -> update();
+  pReg = updateManager -> getUpdateManagerRegion();
+  *numRects = pReg -> numRects;
+  *pBox = (char *)pReg -> rects;
+
+  logTest("NXShadowExportChanges", "numRects [%ld] pBox[%p], pReg->numRects[%ld], rects[%p], size[%lu]",
+              *numRects, *pBox, pReg -> numRects, &(pReg -> rects -> x2),
+                  (unsigned long) sizeof(pReg -> rects -> x2));
+}
+
+void NXShadowEvent(Display *display, XEvent event)
+{
+  poller -> handleEvent(display, &event);
+}
+
+#ifdef __CYGWIN32__
+
+int NXShadowCaptureCursor(unsigned int wnd, void *vis)
+{
+  Window window = (Window)wnd;
+  Visual *visual = reinterpret_cast<Visual*>(vis);
+
+  logTrace("NXShadowCaptureCursor");
+
+  logTest("NXShadowCaptureCursor","Init");
+
+  return poller -> updateCursor(window, visual);
+}
+
+#endif
+
+void NXShadowUpdateBuffer(void **buffer)
+{
+  char **fBuffer = reinterpret_cast<char **>(buffer);
+
+  if (*fBuffer != NULL)
+  {
+    poller -> destroyFrameBuffer();
+
+    poller -> init();
+  }
+
+  *fBuffer = poller -> getFrameBuffer();
+
+  logTest("NXShadowUpdateBuffer","New frame buffer [0x%p]", (void *)*fBuffer);
+}

nxcompshad/Shadow.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com.          */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef Shadow_H
+#define Shadow_H
+
+#include <X11/Xlib.h>
+
+#define NXShadowCorrectColor(length, buffer) \
+\
+{ \
+  unsigned short a; \
+  unsigned short b; \
+  unsigned short *shorts; \
+  int i; \
+\
+  length >>= 1; \
+  shorts = (unsigned short *)buffer; \
+  for (i = 0; i < length ; i++) \
+  { \
+    a = shorts[i]; \
+\
+    b = a & 63; \
+    a <<= 1; \
+    a = (a & ~127) | b; \
+\
+    shorts[i] = a; \
+  } \
+}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef char* UpdaterHandle;
+
+typedef struct _ShadowOptions
+{
+  char  optionShmExtension;
+  char  optionDamageExtension;
+  int   optionShadowDisplayUid;
+} ShadowOptions;
+
+extern ShadowOptions NXShadowOptions;
+
+extern int           NXShadowCreate(void *, char *, char *, void **);
+extern void          NXShadowDestroy(void);
+
+/*
+ * Use an already opened Display connection.
+ * We use <void *> instead of <Display *> to avoid
+ * useless dependences from Xlib headers.
+ */
+
+extern int NXShadowAddUpdaterDisplay(void *display, int *width, int *height,
+                                         unsigned char *depth);
+extern UpdaterHandle NXShadowAddUpdater(char *displayName);
+extern int           NXShadowRemoveUpdater(UpdaterHandle handle);
+extern int           NXShadowRemoveAllUpdaters(void);
+
+extern void          NXShadowHandleInput(void);
+extern int           NXShadowHasChanged(int (*)(void *), void *, int *);
+extern void          NXShadowExportChanges(long *, char **);
+extern int           NXShadowHasUpdaters(void);
+extern int           NXShadowCaptureCursor(unsigned int wnd, void *vis);
+extern void          NXShadowColorCorrect(int, int, unsigned int, unsigned int, char *);
+extern void          NXShadowUpdateBuffer(void **);
+
+extern void          NXShadowEvent(Display *, XEvent);
+
+extern void          NXShadowSetDisplayUid(int uid);
+
+extern void          NXShadowDisableShm(void);
+extern void          NXShadowDisableDamage(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* Shadow_H */
+

nxcompshad/Updater.cpp

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <string.h>
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+//
+#include <stdio.h>
+//
+#include "Updater.h"
+#include "Logger.h"
+
+Updater::Updater(char *displayName, Display *display)
+{
+  logTrace("Updater::Updater");
+
+  displayName_ = displayName;
+  display_ = display;
+  closeDisplay_ = false;
+  image_ = NULL;
+  updateRegion_ = NULL;
+  buffer_ = NULL;
+}
+
+Updater::~Updater()
+{
+  logTrace("Updater::~Updater");
+
+  if (input_)
+  {
+    int removedEvents = input_ -> removeAllEvents(display_);
+
+    logTest("Updater::~Updater", "Removed events in input queue is [%d].", removedEvents);
+  }
+
+  if (display_)
+  {
+    XDestroyWindow(display_, window_);
+    XFreePixmap(display_, pixmap_);
+
+    if (closeDisplay_)
+    {
+      XCloseDisplay(display_);
+    }
+  }
+
+  if (image_)
+  {
+    image_ -> data = NULL;
+
+    XDestroyImage(image_);
+  }
+
+  if (updateRegion_)
+  {
+    XDestroyRegion(updateRegion_);
+  }
+}
+
+int Updater::init(int width, int height, char *fb, Input *input)
+{
+  logTrace("Updater::init");
+
+  if (fb == NULL || input == NULL || width <= 0 || height <= 0)
+  {
+    logError("Updater::init", ESET(EINVAL));
+
+    return -1;
+  }
+
+  width_ = width;
+  height_ = height;
+  buffer_ = fb;
+  input_ = input;
+/*
+  if (display_ == NULL)
+  {
+    display_ = XOpenDisplay(displayName_);
+
+    closeDisplay_ = true;
+
+    if (display_ == NULL)
+    {
+      logError("Updater::init", ESET(ENOMSG));
+
+      return -1;
+    }
+  }
+*/
+  depth_ = DefaultDepth(display_, DefaultScreen(display_));
+
+  if (depth_ == 8) bpl_ = width_;
+  else if (depth_ == 16) bpl_ = width_ * 2;
+  else bpl_ = width_ * 4;
+
+  logTest("Updater::init", "Server geometry [%d, %d] depth [%d] bpl [%d].", width_, height_, depth_, bpl_);
+
+/*  int bitmap_pad = 8;
+
+  image_ = XCreateImage(display_, DefaultVisual(display_, DefaultScreen(display_)), depth_, ZPixmap, 0,
+                            buffer_, width_, height_, bitmap_pad, 0);
+
+  if (image_ == NULL)
+  {
+    logError("Updater::init", ESET(ENOMSG));
+
+    logTest("Updater::init", "Failed to create default image.");
+
+    return -1;
+  }
+
+  pixmap_ = XCreatePixmap(display_, DefaultRootWindow(display_), width_, height_, depth_);
+
+  unsigned int mask = CWBackPixmap | CWBorderPixel | CWEventMask;
+
+  XSetWindowAttributes attributes;
+
+  attributes.background_pixmap = pixmap_;
+  attributes.border_pixel = WhitePixel(display_, DefaultScreen(display_));
+  attributes.event_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask;
+
+  window_ = XCreateWindow(display_, DefaultRootWindow(display_),
+                              0, 0, width_, height_, 0, depth_, InputOutput,
+                                  DefaultVisual(display_, DefaultScreen(display_)), mask, &attributes);
+
+  if (window_ == None)
+  {
+    logError("Updater::init", ESET(ENOMSG));
+
+    return -1;
+  }
+
+  XSizeHints *size_hints;
+
+  if ((size_hints = XAllocSizeHints()) == NULL)
+  {
+    logError("Updater::init", ESET(ENOMEM));
+
+    return -1;
+  }
+
+  size_hints -> flags = PMinSize | PMaxSize;
+  size_hints -> min_width = width_;
+  size_hints -> max_width = width_;
+  size_hints -> min_height = height_;
+  size_hints -> max_height = height_;
+
+  XSetWMNormalHints(display_, window_, size_hints);
+
+  XFree(size_hints);
+
+  Atom deleteWMatom = XInternAtom(display_, "WM_DELETE_WINDOW", 1);
+
+  XSetWMProtocols(display_, window_, &deleteWMatom, 1);
+
+  XMapWindow(display_, window_);*/
+
+  updateRegion_ = XCreateRegion();
+
+  logTest("Updater::init", "updateRegion_[%p]", updateRegion_);
+  return 1;
+}
+
+void Updater::addRegion(Region region)
+{
+  //
+  // FIXME: Is this too paranoid ?
+  //
+
+  if (updateRegion_ == NULL)
+  {
+    logError("Updater::addRegion", ESET(EINVAL));
+
+    return;
+  }
+
+  XUnionRegion(region, updateRegion_, updateRegion_);
+}
+
+void Updater::update()
+{
+  logTrace("Updater::update");
+
+  if (updateRegion_ == NULL)
+  {
+    logError("Updater::update", ESET(EINVAL));
+
+    return;
+  }
+
+  logTest("Updater::update", "Number of rectangles [%ld].", updateRegion_ -> numRects);
+
+/*  for (; updateRegion_ -> numRects > 0; updateRegion_ -> numRects--)
+  {
+    int n = updateRegion_ -> numRects - 1;
+
+    int x = updateRegion_ -> rects[n].x1;
+    int y = updateRegion_ -> rects[n].y1;
+    unsigned int width = updateRegion_ -> rects[n].x2 - updateRegion_ -> rects[n].x1;
+    unsigned int height = updateRegion_ -> rects[n].y2 - updateRegion_ -> rects[n].y1;
+
+    logDebug("Updater::update", "Sending rectangle: [%d, %d, %d, %d].", x, y, width, height);
+
+    //
+    // We need to update the extents.
+    //
+
+    int bitmap_pad;
+
+    if (depth_ == 32 || depth_ == 24)
+    {
+      bitmap_pad = 32;
+    }
+    else if (depth_ == 16)
+    {
+      if ((width & 1) == 0)
+      {
+        bitmap_pad = 32;
+      }
+      else
+      {
+        bitmap_pad = 16;
+      }
+    }
+    else if ((width & 3) == 0)
+    {
+      bitmap_pad = 32;
+    }
+    else if ((width & 1) == 0)
+    {
+      bitmap_pad = 16;
+    }
+    else
+    {
+      bitmap_pad = 8;
+    }*/
+
+/*    image_ -> bitmap_pad = bitmap_pad;*/
+
+   /* NXShadowCorrectColor(x, y, width, height);*/
+
+/*    XPutImage(display_, pixmap_, DefaultGC(display_, DefaultScreen(display_)),
+                  image_, x, y, x, y, width, height);
+
+    XClearArea(display_, window_, x, y, width, height, 0);
+  }*/
+
+  //
+  // Should we reduces the box vector ?
+  //
+  // BOX *box = Xrealloc(updateRegion_ -> rects,
+  //                         updateRegion_ -> numRects == 0 ? sizeof(BOX) :
+  //                             updateRegion_ -> numRects * sizeof(BOX));
+  //
+  // if (box)
+  // {
+  //   updateRegion_ -> rects = box;
+  //   updateRegion_ -> size = 1;
+  // }
+  //
+
+  if (updateRegion_ -> numRects == 0)
+  {
+    updateRegion_ -> extents.x1 = 0;
+    updateRegion_ -> extents.y1 = 0;
+    updateRegion_ -> extents.x2 = 0;
+    updateRegion_ -> extents.y2 = 0;
+  }
+  else
+  {
+    //
+    // FIXME: We have to update the region extents.
+    //
+
+    logTest("Updater::update", "Region extents has not been updated.");
+  }
+}
+
+void Updater::handleInput()
+{
+  logTrace("Updater::handleInput");
+
+  XEvent *event = new XEvent;
+
+  if (event == NULL)
+  {
+    logError("Updater::handleInput", ESET(ENOMEM));
+
+    return;
+  }
+
+  while (XCheckIfEvent(display_, event, anyEventPredicate, NULL))
+  {
+    switch (event -> type)
+    {
+     /* case ClientMessage:
+      {
+        Atom wmProtocols = XInternAtom(display_, "WM_PROTOCOLS", 0);
+        Atom wmDeleteWindow = XInternAtom(display_, "WM_DELETE_WINDOW", 0);
+
+        if (event -> xclient.message_type == wmProtocols &&
+                (Atom)event -> xclient.data.l[0] == wmDeleteWindow)
+        {
+          logTest("Updater::handleInput", "Got client message of type WM_PROTOCOLS and value WM_DELETE_WINDOW,"
+                      " throwing exception UpdaterClosing.");
+
+          delete event;
+
+          throw UpdaterClosing();
+        }
+        else
+        {
+          logTest("Updater::handleInput", "Unexpected client message type [%ld] format [%d] first value [%ld]",
+                      event -> xclient.message_type, event -> xclient.format, event -> xclient.data.l[0]);
+        }
+
+        break;
+      }*/
+      case KeyPress:
+      case KeyRelease:
+      case ButtonPress:
+      case ButtonRelease:
+      case MotionNotify:
+      {
+        input_ -> pushEvent(display_, event);
+
+        event = new XEvent;
+
+        if (event == NULL)
+        {
+          logError("Updater::handleInput", ESET(ENOMEM));
+
+          return;
+        }
+
+        break;
+      }
+      default:
+      {
+        logTest("Updater::handleInput", "Handling unexpected event [%d].", event -> type);
+
+        break;
+      }
+    }
+  }
+
+  delete event;
+}
+
+void Updater::newRegion()
+{
+  if (updateRegion_ != NULL)
+  {
+    XDestroyRegion(updateRegion_);
+  }
+
+  updateRegion_ = XCreateRegion();
+
+  logTest("Updater::newRegion", "updateRegion_ [%p].", updateRegion_);
+}
+//
+// Private functions.
+//

nxcompshad/Updater.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef Updater_H
+#define Updater_H
+
+#include <X11/Xlib.h>
+
+#include "Regions.h"
+#include "Input.h"
+
+class UpdaterClosing {};
+
+class Updater
+{
+  public:
+
+  Updater(char *displayName, Display *display);
+
+  ~Updater();
+
+  int init(int, int, char *, Input*);
+
+  void addRegion(Region r);
+
+  void update();
+
+  void handleInput();
+
+  XImage *getImage();
+
+  Region getUpdateRegion();
+
+  void newRegion();
+
+  private:
+
+  Input *input_;
+
+  static inline Bool anyEventPredicate(Display*, XEvent*, XPointer);
+
+  void handleKeyboardEvent(XEvent &event);
+
+  char *displayName_;
+
+  char *buffer_;
+
+  bool closeDisplay_;
+
+  Display *display_;
+
+  int depth_;
+
+  int width_;
+  int height_;
+
+  int bpl_;
+
+  Window window_;
+  XImage *image_;
+
+  Pixmap pixmap_;
+
+  Region updateRegion_;
+
+};
+
+Bool Updater::anyEventPredicate(Display*, XEvent*, XPointer)
+{
+  return true;
+}
+
+inline XImage* Updater::getImage()
+{
+  return image_;
+}
+inline Region Updater::getUpdateRegion()
+{
+  return updateRegion_;
+}
+#endif /* Updater_H */

nxcompshad/VERSION

+3.1.0

nxcompshad/Win.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifdef __CYGWIN32__
+
+#ifndef Win32Poller_H
+#define Win32Poller_H
+
+//#include <X11/X.h>
+
+#include <Windows.h>
+#include <wingdi.h>
+#include <winable.h>
+#include <winuser.h>
+
+#define CAPTUREBLT 0x40000000
+
+#define KEYEVENTF_SCANCODE 0x00000008
+#define MAPVK_VSC_TO_VK_EX 3
+//
+// The CAPTUREBLT is a raster operation used
+// in bit blit transfer.
+//
+// Using this operation includes any windows
+// that are layered on top of your window in
+// the resulting image. By default, the image
+// only contains your window.
+//
+
+#include "Core.h"
+
+typedef struct _keyTranslation
+{
+ unsigned char scancode;
+ unsigned short modifiers;
+
+}keyTranslation;
+
+class Poller : public CorePoller
+{
+  public:
+
+  Display *display_;
+  keyTranslation *keymap_;
+  unsigned char keymapLoaded_;
+  int minKeycode_;
+
+  Poller(Input *, Display *display, int = 16);
+
+  ~Poller();
+
+  int init();
+
+  int updateCursor(Window, Visual*);
+
+  private:
+
+  
+  int Poller::updateShadowFrameBuffer(void);
+  void handleKeyboardEvent(Display *, XEvent *);
+  void addToKeymap(char *keyname, unsigned char scancode, unsigned short modifiers, char *mapname);
+  int xkeymapRead(char *mapname);
+  FILE *xkeymapOpen(char *filename);
+  void xkeymapInit(char *keyMapName);
+  keyTranslation xkeymapTranslateKey(unsigned int keysym, unsigned int keycode, unsigned int state);
+  unsigned char getKeyState(unsigned int state, unsigned int keysym);
+  char *getKsname(unsigned int keysym);
+  unsigned char specialKeys(unsigned int keysym, unsigned int state, int pressed);
+
+  unsigned char toggleSwitch(unsigned char ToggleStateClient, unsigned char ToggleStateServer, UINT scancode,
+                                 int *lengthArrayINPUT);
+
+  void updateModifierState(UINT, unsigned char);
+
+  unsigned char toggleServerState(UINT scancode);
+  unsigned char keyState(UINT scancode, UINT mapType);
+  unsigned char keyStateAsync(UINT scancode);
+
+  void handleMouseEvent(Display *, XEvent *);
+
+  Cursor createCursor(Window wnd, Visual *vis, unsigned int x, unsigned int y, int width,
+                           int height, unsigned char *xormask, unsigned char *andmask);
+
+  Pixmap createGlyph(Window wnd, Visual *visual, int width, int height, unsigned char *data);
+
+  char isWinNT();
+  char selectDesktop(HDESK new_desktop);
+  char selectDesktopByName(char *name);
+  void platformOS();
+  char simulateCtrlAltDel(void);
+  DWORD platformID_;
+
+  INPUT *pKey_, *pMouse_;
+
+  char *keymapName_;
+  char *path_;
+
+  unsigned char toggleButtonState_;
+  unsigned short serverModifierState_;
+  unsigned short savedServerModifierState_;
+
+  void ensureServerModifiers(keyTranslation tr, int *lenghtArrayINPUT);
+  void restoreServerModifiers(UINT scancode);
+  unsigned char isModifier(UINT scancode);
+
+  char sendInput(unsigned char scancode, unsigned char pressed, int *lengthArrayINPUT);
+
+  char *getRect(XRectangle);
+  char checkDesktop();
+
+  char *DIBBuffer_;
+
+  HCURSOR oldCursor_;
+
+  VOID *pDIBbits_;
+  HDC screenDC_;
+  HDC memoryDC_;
+  BITMAPINFO bmi_;
+  HBITMAP screenBmp_;
+
+  Cursor xCursor_;
+
+};
+
+#undef TEST
+
+inline unsigned char Poller::toggleSwitch(unsigned char ToggleStateClient, unsigned char ToggleStateServer,
+                                              UINT scancode, int *lengthArrayINPUT)
+{
+  return 1;
+}
+
+inline unsigned char Poller::toggleServerState(UINT scancode)
+{
+  return (GetKeyState(MapVirtualKeyEx(scancode, 3, GetKeyboardLayout((DWORD)NULL))) & 0x1);
+}
+
+inline unsigned char Poller::keyStateAsync(UINT vKeycode)
+{
+  return GetAsyncKeyState(vKeycode);
+}
+
+inline unsigned char Poller::keyState(UINT code, UINT mapType)
+{
+  if (mapType == 0)
+  {
+    //
+    // Virtual Keycode
+    //
+    return ((GetKeyState(code) & 0x80) == 0x80);
+  }
+  else
+  {
+    //
+    // scancode
+    //
+    return ((GetKeyState(MapVirtualKeyEx(code, 3, GetKeyboardLayout((DWORD)NULL))) & 0x80) == 0x80);
+  }
+}
+
+inline char Poller::isWinNT()
+{
+  return (platformID_ == VER_PLATFORM_WIN32_NT);
+}
+
+inline char Poller::sendInput(unsigned char scancode, unsigned char pressed, int *lengthArrayINPUT)
+{
+  DWORD keyEvent = 0;
+  DWORD extended = 0;
+
+  if (scancode > 0)
+  {
+    if (pressed == 0)
+    {
+      keyEvent = KEYEVENTF_KEYUP;
+    }
+
+    if (scancode & 0x80)
+    {
+      scancode &= ~0x80;
+      extended = KEYEVENTF_EXTENDEDKEY;
+    }
+
+    pKey_[*lengthArrayINPUT].ki.wScan = (WORD) scancode;
+    pKey_[*lengthArrayINPUT].ki.dwFlags = (DWORD) (keyEvent | KEYEVENTF_SCANCODE | extended);
+    (*lengthArrayINPUT)++;
+  }
+
+
+  if (*lengthArrayINPUT > 0)                                                                                                   {
+    // FIXME: Remove me.
+    logTest("Poller::sendInput", "length Input [%d] event: %s", *lengthArrayINPUT,
+              pressed == 1 ? "KeyPress": "KeyRelease");
+
+    if (SendInput(*lengthArrayINPUT, pKey_, sizeof(INPUT)) == 0)
+    {
+      logTest("Poller::sendInput", "Failed SendInput, event: %s", pressed == 1 ? "KeyPress": "KeyRelease");
+      *lengthArrayINPUT = 0;
+      return 0;
+    }
+
+    *lengthArrayINPUT = 0;
+  }
+
+  return 1;
+}
+#endif /* Win32Poller_H */
+
+#endif /* __CYGWIN32__ */

nxcompshad/X11.h

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef X11Poller_H
+#define X11Poller_H
+
+#include <X11/Xlib.h>
+#include <X11/extensions/XShm.h>
+#include <X11/extensions/Xdamage.h>
+#include <X11/extensions/Xrandr.h>
+
+#include "Core.h"
+
+class Poller : public CorePoller
+{
+  public:
+
+  Poller(Input *, Display *display, int = 0);
+
+  ~Poller();
+
+  int init();
+
+  void setRootSize();
+
+  void destroyShmImage();
+
+  void getEvents(void);
+
+  private:
+
+  Display *display_;
+
+  char *shadowDisplayName_;
+
+  int shadowDisplayUid_;
+
+  char *tmpBuffer_;
+
+  char xtestExtension_;
+
+  char shmExtension_;
+
+  char randrExtension_;
+
+  int randrEventBase_;
+
+  char damageExtension_;
+
+  int damageEventBase_;
+
+  Damage damage_;
+
+  Region repair_;
+
+  char damageChanges_;
+
+  XShmSegmentInfo *shminfo_;
+
+  XImage *image_;
+
+  int updateShadowFrameBuffer(void);
+
+  char *getRect(XRectangle);
+
+  void handleKeyboardEvent(Display *display, XEvent *);
+
+  void handleMouseEvent(Display *, XEvent *);
+
+  void xtestInit(void);
+
+  void shmInit(void);
+
+  void randrInit(void);
+
+  void damageInit(void);
+
+  void handleRRScreenChangeNotify(XEvent *);
+
+  void handleDamageNotify(XEvent *);
+
+  void updateDamagedAreas(void);
+};
+
+int anyEventPredicate(Display *display, XEvent *event, XPointer parameter);
+
+#endif /* X11Poller_H */

nxcompshad/configure.in

+dnl Process this file with autoconf to produce a configure script.
+
+dnl Prolog
+
+AC_INIT(Shadow.h)
+AC_PREREQ(2.13)
+
+dnl Reset default compilation flags.
+
+CXXFLAGS="-O3"
+CPPFLAGS="-O3"
+
+dnl Reset default linking directives.
+
+LIBSTATIC=""
+LIBSHARED=""
+
+dnl Prefer headers and libraries from nx-X11, if present.
+
+if test -d "../nx-X11/exports/include" ; then
+    CXXFLAGS="$CXXFLAGS -I../nx-X11/exports/include"
+    LIBS="$LIBS -L../nx-X11/exports/lib"
+fi
+
+dnl Check whether --with-ipaq was given.
+
+if test "${with_ipaq}" = yes; then
+  echo -e "enabling IPAQ configuration"
+  CXX="arm-linux-c++"
+  CC="arm-linux-gcc"
+  unset ac_cv_prog_armcxx
+  unset ac_cv_prog_armcc
+  unset ac_cv_prog_CXXCPP
+  AC_CHECK_PROG([armcxx],["$CXX"],[yes],[no],[$PATH])
+  AC_CHECK_PROG([armcc],["$CC"],[yes],[no],[$PATH])
+  if test $armcxx = "yes" && test $armcc = "yes" ; then
+    ac_cv_prog_CXX="$CXX"
+    ac_cv_prog_CC="$CC"
+  else
+    AC_MSG_ERROR(installation or configuration problem: I cannot find compiler for arm-linux)
+  fi
+else
+  unset ac_cv_prog_CXX
+  unset ac_cv_prog_CC
+  unset ac_cv_prog_CXXCPP
+fi  
+
+dnl Check for programs.
+
+AC_PROG_CXX
+AC_PROG_CC
+AC_LANG_CPLUSPLUS
+
+dnl Check whether option -Wno-deprecated
+dnl is needed by GCC compiler.
+
+AC_MSG_CHECKING([whether compiler needs -Wno-deprecated])
+gcc_version=`${CC} --version | grep 'gcc (GCC) [[3-4]].' | head -n 1`
+case "${gcc_version}" in
+     gcc*)
+        AC_MSG_RESULT([yes])
+        CXXFLAGS="$CXXFLAGS -Wno-deprecated"
+        CPPFLAGS="$CPPFLAGS -Wno-deprecated"
+        ;;
+
+     *)
+        AC_MSG_RESULT([no])
+        ;;
+esac
+
+AC_MSG_CHECKING([whether compiler accepts -Wmissing-declarations and -Wnested-externs])
+gcc_version=`${CC} --version | grep 'gcc (GCC) [[3-4]].' | head -n 1`
+case "${gcc_version}" in
+     gcc*)
+        AC_MSG_RESULT([no])
+        ;;
+
+     *)
+        AC_MSG_RESULT([yes])
+        CXXFLAGS="$CXXFLAGS -Wmissing-declarations -Wnested-externs"
+        CPPFLAGS="$CPPFLAGS -Wmissing-declarations -Wnested-externs"
+        ;;
+esac
+
+dnl Check for BSD compatible install.
+
+AC_PROG_INSTALL
+
+dnl Check for extra header files.
+
+AC_PATH_XTRA
+
+dnl Custom addition.
+
+ac_help="$ac_help
+  --with-symbols          give -g flag to compiler to produce debug symbols
+  --with-info             define INFO at compile time to get basic log output
+  --with-valgrind         clean up allocated buffers to avoid valgrind warnings
+  --with-version          use this version for produced libraries
+
+  --with-static-jpeg      enable static linking of JPEG library
+  --with-static-z         enable static linking of Z library"
+
+dnl Check to see if we're running under Cygwin32.
+
+AC_DEFUN(nxconf_CYGWIN32,
+[AC_CACHE_CHECK(for Cygwin32 environment, nxconf_cv_cygwin32,
+[AC_TRY_COMPILE(,[return __CYGWIN32__;],
+nxconf_cv_cygwin32=yes, nxconf_cv_cygwin32=no)
+rm -f conftest*])
+CYGWIN32=
+test "$nxconf_cv_cygwin32" = yes && CYGWIN32=yes])
+nxconf_CYGWIN32
+
+dnl Cygwin32 requires the stdc++ library explicitly linked.
+
+if test "$CYGWIN32" = yes; then
+    LIBS="$LIBS -lstdc++ -lcygipc -lgdi32"
+fi
+
+dnl Check for Darwin environment.
+
+AC_DEFUN(nxconf_DARWIN,
+[AC_CACHE_CHECK(for Darwin environment, nxconf_cv_darwin,
+[AC_TRY_COMPILE(,[return __APPLE__;],
+nxconf_cv_darwin=yes, nxconf_cv_darwin=no)
+rm -f conftest*])
+DARWIN=
+test "$nxconf_cv_darwin" = yes && DARWIN=yes])
+nxconf_DARWIN
+
+dnl Check to see if we're running under Solaris.
+
+AC_DEFUN(nxconf_SUN,
+[AC_CACHE_CHECK(for Solaris environment, nxconf_cv_sun,
+[AC_TRY_COMPILE(,[return __sun;],
+nxconf_cv_sun=yes, nxconf_cv_sun=no)
+rm -f conftest*])
+SUN=
+test "$nxconf_cv_sun" = yes && SUN=yes])
+nxconf_SUN
+
+dnl Check to see if we're running under FreeBSD.
+
+AC_DEFUN(nxconf_FreeBSD,
+[AC_CACHE_CHECK(for FreeBSD environment, nxconf_cv_freebsd,
+[AC_TRY_COMPILE(,[return __FreeBSD__;],
+nxconf_cv_freebsd=yes, nxconf_cv_freebsd=no)
+rm -f conftest*])
+FreeBSD=
+test "$nxconf_cv_freebsd" = yes && FreeBSD=yes])
+nxconf_FreeBSD
+
+dnl Build PIC libraries.
+
+if test "$CYGWIN32" != yes -a "$DARWIN" != yes; then
+  CXXFLAGS="$CXXFLAGS -fPIC"
+  CFLAGS="$CFLAGS -fPIC"
+fi
+
+dnl Solaris requires the socket and gcc_s libs explicitly linked.
+dnl Note also that headers from default /usr/openwin/include/X11
+dnl cause a warning due to pragma in Xmd.h.
+
+if test "$SUN" = yes; then
+  LIBS="$LIBS  -L/usr/sfw/lib -lsocket "
+  CXXFLAGS="$CXXFLAGS -I/usr/sfw/include"
+fi
+
+dnl On FreeBSD search libraries and includes under /usr/local.
+
+if test "$FreeBSD" = yes; then
+  LIBS="$LIBS  -L/usr/local/lib"
+  CXXFLAGS="$CXXFLAGS -I/usr/local/include"
+fi
+
+dnl Under Darwin we don't have support for -soname option and
+dnl we need the -bundle flag. Under Solaris, instead, we need
+dnl the options -G -h.
+
+if test "$DARWIN" = yes; then
+  LDFLAGS="$LDFLAGS -bundle"
+elif test "$SUN" = yes; then
+  LDFLAGS="$LDFLAGS -G -h \$(LIBLOAD)"
+else
+  LDFLAGS="$LDFLAGS -Wl,-soname,\$(LIBLOAD)"
+fi
+
+dnl Check to see if in_addr_t is defined.
+dnl Could use a specific configure test.
+
+AC_DEFUN(nxconf_INADDRT,
+[AC_CACHE_CHECK(for in_addr_t, nxconf_cv_inaddrt,
+[AC_TRY_COMPILE([#include <netinet/in.h>],[in_addr_t t; t = 1; return t;],
+nxconf_cv_inaddrt=yes, nxconf_cv_inaddrt=no)
+rm -f conftest*])
+INADDRT=
+test "$nxconf_cv_inaddrt" = yes && INADDRT=yes])
+nxconf_INADDRT
+
+dnl If in_addr_t is not defined use unsigned int.
+
+if test "$INADDRT" != yes ; then
+  echo -e "using unsigned int for type in_addr_t"
+  CXXFLAGS="$CXXFLAGS -DIN_ADDR_T=unsigned"
+  CPPFLAGS="$CPPFLAGS -DIN_ADDR_T=unsigned"
+else
+  CXXFLAGS="$CXXFLAGS -DIN_ADDR_T=in_addr_t"
+  CPPFLAGS="$CPPFLAGS -DIN_ADDR_T=in_addr_t"
+fi
+
+dnl Check whether --with-version was given.
+
+AC_SUBST(LIBVERSION)
+AC_SUBST(VERSION)
+if test "${with_version}" = yes; then
+  VERSION=${ac_option}
+else
+  VERSION=`cat VERSION`
+fi
+echo -e "compiling version ${VERSION}"
+
+LIBVERSION=`echo ${VERSION} | cut -d '.' -f 1`
+
+CXXFLAGS="$CXXFLAGS -DVERSION=\\\"${VERSION}\\\""
+CPPFLAGS="$CPPFLAGS -DVERSION=\\\"${VERSION}\\\""
+
+dnl Finally compose the LIB variable.
+
+if test "$DARWIN" = yes ; then
+  LIBS="$LIBS $LIBSTATIC $LIBSHARED"
+elif test "$SUN" = yes ; then
+  LIBS="$LIBS $LIBSTATIC $LIBSHARED"
+else
+  LIBS="$LIBS $LIBSTATIC -shared $LIBSHARED"
+fi
+
+dnl Check whether --with-symbols or --without-symbols was
+dnl given and set the required optimization level.
+
+if test "${with_symbols}" = yes; then
+  echo -e "enabling production of debug symbols"
+  CXXFLAGS="-g $CXXFLAGS"
+  CPPFLAGS="-g $CPPFLAGS"
+else
+  echo -e "disabling production of debug symbols"
+fi
+
+dnl Check whether --with-info or --without-info was given.
+
+if test "${with_info}" = yes; then
+  echo -e "enabling info output in the log file"
+  CXXFLAGS="$CXXFLAGS -DINFO"
+  CPPFLAGS="$CPPFLAGS -DINFO"
+else
+  echo -e "disabling info output in the log file"
+fi
+
+dnl Check whether --with-valgrind or --without-valgrind was given.
+
+if test "${with_valgrind}" = yes; then
+  echo -e "enabling valgrind memory checker workarounds"
+  CXXFLAGS="$CXXFLAGS -DVALGRIND"
+  CPPFLAGS="$CPPFLAGS -DVALGRIND"
+else
+  echo -e "disabling valgrind memory checker workarounds"
+fi
+
+dnl Find makedepend somewhere.
+
+AC_SUBST(MAKEDEPEND)
+
+if test -x "../nx-X11/config/makedepend/makedepend" ; then
+  MAKEDEPEND=../nx-X11/config/makedepend/makedepend
+else
+  if test -x "/usr/X11R6/bin/makedepend" ; then
+    MAKEDEPEND=/usr/X11R6/bin/makedepend
+  else
+    if test -x "/usr/openwin/bin/makedepend" ; then
+      MAKEDEPEND=/usr/openwin/bin/makedepend
+    else
+      MAKEDEPEND=makedepend
+    fi
+  fi
+fi
+
+AC_OUTPUT(Makefile)

nxcompshad/install-sh

+#! /bin/sh
+#
+# install - install a program, script, or datafile
+# This comes from X11R5.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+#
+
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit="${DOITPROG-}"
+
+
+# put in absolute paths if you don't have them in your path; or use env. vars.
+
+mvprog="${MVPROG-mv}"
+cpprog="${CPPROG-cp}"
+chmodprog="${CHMODPROG-chmod}"
+chownprog="${CHOWNPROG-chown}"
+chgrpprog="${CHGRPPROG-chgrp}"
+stripprog="${STRIPPROG-strip}"
+rmprog="${RMPROG-rm}"
+mkdirprog="${MKDIRPROG-mkdir}"
+
+transformbasename=""
+transform_arg=""
+instcmd="$mvprog"
+chmodcmd="$chmodprog 0755"
+chowncmd=""
+chgrpcmd=""
+stripcmd=""
+rmcmd="$rmprog -f"
+mvcmd="$mvprog"
+src=""
+dst=""
+dir_arg=""
+
+while [ x"$1" != x ]; do
+    case $1 in
+	-c) instcmd="$cpprog"
+	    shift
+	    continue;;
+
+	-d) dir_arg=true
+	    shift
+	    continue;;
+
+	-m) chmodcmd="$chmodprog $2"
+	    shift
+	    shift
+	    continue;;
+
+	-o) chowncmd="$chownprog $2"
+	    shift
+	    shift
+	    continue;;
+
+	-g) chgrpcmd="$chgrpprog $2"
+	    shift
+	    shift
+	    continue;;
+
+	-s) stripcmd="$stripprog"
+	    shift
+	    continue;;
+
+	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
+	    shift
+	    continue;;
+
+	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
+	    shift
+	    continue;;
+
+	*)  if [ x"$src" = x ]
+	    then
+		src=$1
+	    else
+		# this colon is to work around a 386BSD /bin/sh bug
+		:
+		dst=$1
+	    fi
+	    shift
+	    continue;;
+    esac
+done
+
+if [ x"$src" = x ]
+then
+	echo "install:	no input file specified"
+	exit 1
+else
+	true
+fi
+
+if [ x"$dir_arg" != x ]; then
+	dst=$src
+	src=""
+	
+	if [ -d $dst ]; then
+		instcmd=:
+	else
+		instcmd=mkdir
+	fi
+else
+
+# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
+# might cause directories to be created, which would be especially bad 
+# if $src (and thus $dsttmp) contains '*'.
+
+	if [ -f $src -o -d $src ]
+	then
+		true
+	else
+		echo "install:  $src does not exist"
+		exit 1
+	fi
+	
+	if [ x"$dst" = x ]
+	then
+		echo "install:	no destination specified"
+		exit 1
+	else
+		true
+	fi
+
+# If destination is a directory, append the input filename; if your system
+# does not like double slashes in filenames, you may need to add some logic
+
+	if [ -d $dst ]
+	then
+		dst="$dst"/`basename $src`
+	else
+		true
+	fi
+fi
+
+## this sed command emulates the dirname command
+dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
+
+# Make sure that the destination directory exists.
+#  this part is taken from Noah Friedman's mkinstalldirs script
+
+# Skip lots of stat calls in the usual case.
+if [ ! -d "$dstdir" ]; then
+defaultIFS='	
+'
+IFS="${IFS-${defaultIFS}}"
+
+oIFS="${IFS}"
+# Some sh's can't handle IFS=/ for some reason.
+IFS='%'
+set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
+IFS="${oIFS}"
+
+pathcomp=''
+
+while [ $# -ne 0 ] ; do
+	pathcomp="${pathcomp}${1}"
+	shift
+
+	if [ ! -d "${pathcomp}" ] ;
+        then
+		$mkdirprog "${pathcomp}"
+	else
+		true
+	fi
+
+	pathcomp="${pathcomp}/"
+done
+fi
+
+if [ x"$dir_arg" != x ]
+then
+	$doit $instcmd $dst &&
+
+	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
+	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
+	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
+	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
+else
+
+# If we're going to rename the final executable, determine the name now.
+
+	if [ x"$transformarg" = x ] 
+	then
+		dstfile=`basename $dst`
+	else
+		dstfile=`basename $dst $transformbasename | 
+			sed $transformarg`$transformbasename
+	fi
+
+# don't allow the sed command to completely eliminate the filename
+
+	if [ x"$dstfile" = x ] 
+	then
+		dstfile=`basename $dst`
+	else
+		true
+	fi
+
+# Make a temp file name in the proper directory.
+
+	dsttmp=$dstdir/#inst.$$#
+
+# Move or copy the file name to the temp name
+
+	$doit $instcmd $src $dsttmp &&
+
+	trap "rm -f ${dsttmp}" 0 &&
+
+# and set any options; do chmod last to preserve setuid bits
+
+# If any of these fail, we abort the whole thing.  If we want to
+# ignore errors from any of these, just make sure not to ignore
+# errors from the above "$doit $instcmd $src $dsttmp" command.
+
+	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
+	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
+	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
+	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
+
+# Now rename the file to the real destination.
+
+	$doit $rmcmd -f $dstdir/$dstfile &&
+	$doit $mvcmd $dsttmp $dstdir/$dstfile 
+
+fi &&
+
+
+exit 0