/******************************************************************************
*                            recordMyDesktop                                  *
*******************************************************************************
*                                                                             *
*            Copyright (C) 2006,2007 John Varouhakis                          *
*                                                                             *
*                                                                             *
*   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  *
*                                                                             *
*                                                                             *
*                                                                             *
*   For further information contact me at johnvarouhakis@gmail.com            *
******************************************************************************/


#ifdef HAVE_CONFIG_H
    #include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <X11/Xlibint.h>
#include <X11/extensions/Xdamage.h>
#include <pthread.h>
#include <rmdfunc.h>
#include <rmdtypes.h>
#include <rmdmacro.h>


void *PollEvents(ProgData *pdata){
    Window root_return,
           parent_return,
           *children;
    unsigned int i,
                 nchildren,
                 inserts=0;
    XEvent event;


    XSelectInput (pdata->dpy,pdata->specs.root, SubstructureNotifyMask);

    if(!pdata->args.full_shots){
        XQueryTree (pdata->dpy,
                    pdata->specs.root,
                    &root_return,
                    &parent_return,
                    &children,
                    &nchildren);

        for (i = 0; i < nchildren; i++){
            XWindowAttributes attribs;
            if (XGetWindowAttributes (pdata->dpy,children[i],&attribs)){
                if(!attribs.override_redirect && 
                   attribs.depth==pdata->specs.depth)
                    XDamageCreate(pdata->dpy,
                                  children[i],
                                  XDamageReportRawRectangles);
            }
        }
        XFree(children);
        XDamageCreate(pdata->dpy,
                      pdata->specs.root,
                      XDamageReportRawRectangles);
    }


    while(pdata->running){
        XNextEvent(pdata->dpy,&event);
        if(event.type == KeyPress){
            XKeyEvent *e=(XKeyEvent *)(&event);
            if(e->keycode == pdata->pause_key.key){
                int i=0;
                int found=0;
                for(i=0;i<pdata->pause_key.modnum;i++){
                    if(pdata->pause_key.mask[i]==e->state){
                        found=1;
                        break;
                    }
                }
                if(found){
                    raise(SIGUSR1);
                    continue;
                }
            }
            if(e->keycode == pdata->stop_key.key){
                int i=0;
                int found=0;
                for(i=0;i<pdata->stop_key.modnum;i++){
                    if(pdata->stop_key.mask[i]==e->state){
                        found=1;
                        break;
                    }
                }
                if(found){
                    raise(SIGINT);
                    continue;
                }
            }
        }
        else if(!pdata->args.full_shots){
            if(event.type == MapNotify ){
                XWindowAttributes attribs;
                if (!((XMapEvent *)(&event))->override_redirect&&
                    XGetWindowAttributes(pdata->dpy,
                                         event.xcreatewindow.window,
                                         &attribs)){
                    if(!attribs.override_redirect&&
                       attribs.depth==pdata->specs.depth)
                        XDamageCreate(pdata->dpy,
                                      event.xcreatewindow.window,
                                      XDamageReportRawRectangles);
                }
            }
            else if(event.type == pdata->damage_event + XDamageNotify ){
                XDamageNotifyEvent *e =(XDamageNotifyEvent *)( &event );
                WGeometry wgeom;
                CLIP_EVENT_AREA(e,&(pdata->brwin),&wgeom);
                if((wgeom.x>=0)&&(wgeom.y>=0)&&
                   (wgeom.width>0)&&(wgeom.height>0)){

                    int tlist_sel=pdata->list_selector;
                    pthread_mutex_lock(&pdata->list_mutex[tlist_sel]);
                    inserts+=RectInsert(&pdata->rect_root[tlist_sel],&wgeom);
                    pthread_mutex_unlock(&pdata->list_mutex[tlist_sel]);

                }
            }
        }

    }

    pthread_exit(&errno);
}