Merge branch 'nxcompshad'

1 files changed, 167 insertions, 0 deletions

diff --git a/nxcompshad/Input.cpp b/nxcompshad/Input.cpp
new file mode 100644
index 000000000..f9bf1810d
--- /dev/null
+++ b/nxcompshad/Input.cpp
@@ -0,0 +1,167 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 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;
+}
+