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/*
* p4vasp is a GUI-program and library for processing outputs of the
* Vienna Ab-inition Simulation Package (VASP)
* (see http://cms.mpi.univie.ac.at/vasp/Welcome.html)
*
* Copyright (C) 2003 Orest Dubay <odubay@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <p4vasp/VisBackEvent.h>
#include <stdio.h>
#include <string.h>
VisBackEvent::~VisBackEvent(){
#if VERBOSE>0
printf("VisBackEvent::~VisBackEvent()\n");
#endif
}
VisBackEventQueue *VisBackEventQueue::queue=NULL;
VisStructureDrawer *VisBackEvent::getStructureDrawer()
{
if ((type ==BE_SELECTED)||(type ==BE_DESELECTED)){
return (VisStructureDrawer *)pointer;
}
else{
#if VERBOSE>0
printf("VisBackEvent::getStructureDrawer() for incorrect type. (%d)\n",type);
#endif
return NULL;
}
}
VisWindow *VisBackEvent::getWindow()
{
switch(type){
case BE_SELECTED:
case BE_DESELECTED:
return ((VisStructureDrawer *)pointer)->getWindow();
case BE_WIN_ACTIVATE:
case BE_WIN_DEACTIVATE:
case BE_WIN_SHOW:
case BE_WIN_HIDE:
case BE_WIN_CLOSE:
return (VisWindow *)pointer;
default:
#if VERBOSE>0
printf("VisBackEvent::getWindow() for incorrect type. (%d)\n",type);
#endif
return NULL;
}
}
void VisBackEventQueue::pop(){
MUTEX_LOCK(bemutex);
if (first != NULL){
VisBackEvent *x=first;
first=x->next;
delete x;
}
MUTEX_UNLOCK(bemutex);
}
VisBackEvent *VisBackEventQueue::last(){
MUTEX_LOCK(bemutex);
if (first != NULL){
VisBackEvent *x=first;
while(x->next!=NULL){
x=x->next;
}
MUTEX_UNLOCK(bemutex);
return x;
}
MUTEX_UNLOCK(bemutex);
return NULL;
}
void VisBackEventQueue::append(VisBackEvent *e){
MUTEX_LOCK(bemutex);
VisBackEvent *l=last();
if (l==NULL){
first=e;
}
else{
l->next=e;
}
MUTEX_UNLOCK(bemutex);
}
void VisBackEventQueue::prepend(VisBackEvent *e){
MUTEX_LOCK(bemutex);
e->next=first;
first=e;
MUTEX_UNLOCK(bemutex);
}
VisBackEventQueue::~VisBackEventQueue(){
MUTEX_LOCK(bemutex);
while(first!=NULL){
pop();
}
MUTEX_UNLOCK(bemutex);
}
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