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/**************************************************************************/
/* */
/* 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;
}
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