Merge branch 'nxagent'

1 files changed, 191 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Pointer.c b/nx-X11/programs/Xserver/hw/nxagent/Pointer.c
new file mode 100644
index 000000000..a751974af
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/Pointer.c
@@ -0,0 +1,191 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXAGENT, 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.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+/*
+
+Copyright 1993 by Davor Matic
+
+Permission to use, copy, modify, distribute, and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation.  Davor Matic makes no representations about
+the suitability of this software for any purpose.  It is provided "as
+is" without express or implied warranty.
+
+*/
+
+#include "X.h"
+#include "Xproto.h"
+#include "screenint.h"
+#include "input.h"
+#include "misc.h"
+#include "scrnintstr.h"
+#include "servermd.h"
+#include "mipointer.h"
+
+#include "Agent.h"
+#include "Args.h"
+#include "Display.h"
+#include "Screen.h"
+#include "Pointer.h"
+#include "Events.h"
+#include "Options.h"
+
+#include "NXlib.h"
+
+/*
+ * Set here the required log level.
+ */
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+/*
+ * The nxagentReversePointerMap array is used to
+ * memorize remote display pointer map.
+ */
+
+unsigned char nxagentReversePointerMap[MAXBUTTONS];
+
+void nxagentChangePointerControl(DeviceIntPtr pDev, PtrCtrl *ctrl)
+{
+  /*
+   * The original behaviour was to reset the pointer settings
+   * (acceleration and alas) to the default values. What the
+   * average user expects, on the contrary, is to have agent
+   * inheriting whatever value is set on the real X display.
+   * Having to reflect changes made inside the agent session,
+   * the correct behavior would be saving the original values
+   * and restoring them as soon as focus leaves the agent's
+   * window.
+   */
+
+  if (nxagentOption(DeviceControl) == True)
+  {
+    #ifdef TEST
+    fprintf(stderr, "nxagentChangePointerControl: WARNING! Propagating changes to pointer settings.\n");
+    #endif
+
+    XChangePointerControl(nxagentDisplay, True, True, 
+                              ctrl->num, ctrl->den, ctrl->threshold);
+
+    return;
+  }
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentChangePointerControl: WARNING! Not propagating changes to pointer settings.\n");
+  #endif
+}
+
+int nxagentPointerProc(DeviceIntPtr pDev, int onoff)
+{
+  CARD8 map[MAXBUTTONS];
+  int nmap;
+  int i;
+
+  switch (onoff)
+  {
+    case DEVICE_INIT:
+
+      #ifdef TEST
+      fprintf(stderr, "nxagentPointerProc: Called for [DEVICE_INIT].\n");
+      #endif
+
+      if (NXDisplayError(nxagentDisplay) == 1)
+      {
+        return Success;
+      }
+
+      nmap = XGetPointerMapping(nxagentDisplay, map, MAXBUTTONS);
+      for (i = 0; i <= nmap; i++)
+	map[i] = i; /* buttons are already mapped */
+      InitPointerDeviceStruct((DevicePtr) pDev, map, nmap,
+			      miPointerGetMotionEvents,
+			      nxagentChangePointerControl,
+			      miPointerGetMotionBufferSize());
+      break;
+    case DEVICE_ON:
+
+      #ifdef TEST
+      fprintf(stderr, "nxagentPointerProc: Called for [DEVICE_ON].\n");
+      #endif
+
+      if (NXDisplayError(nxagentDisplay) == 1)
+      {
+        return Success;
+      }
+
+      nxagentInitPointerMap();
+
+      nxagentEnablePointerEvents();
+
+      break;
+
+    case DEVICE_OFF:
+
+      #ifdef TEST
+      fprintf(stderr, "nxagentPointerProc: Called for [DEVICE_OFF].\n");
+      #endif
+
+      if (NXDisplayError(nxagentDisplay) == 1)
+      {
+        return Success;
+      }
+
+      nxagentDisablePointerEvents();
+
+      break;
+
+    case DEVICE_CLOSE:
+
+      #ifdef TEST
+      fprintf(stderr, "nxagentPointerProc: Called for [DEVICE_CLOSE].\n");
+      #endif
+
+      break;
+    }
+
+  return Success;
+}
+
+void nxagentInitPointerMap(void)
+{
+  int numButtons;
+
+  int i;
+
+  unsigned char pointerMap[MAXBUTTONS];
+
+  #ifdef DEBUG
+  fprintf(stderr, "nxagentInitPointerMap: Going to retrieve the "
+              "pointer map from remote display.\n");
+  #endif
+
+  numButtons = XGetPointerMapping(nxagentDisplay, pointerMap, MAXBUTTONS);
+
+  /*
+   * Computing revers pointer map.
+   */
+
+  for (i = 1; i <= numButtons; i++)
+  {
+    nxagentReversePointerMap[pointerMap[i - 1] - 1] = i;
+  }
+}