/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2006 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#include "SDL_x11video.h"

#include "../../events/SDL_mouse_c.h"

void
X11_InitMouse(_THIS)
{
    extern XDevice **SDL_XDevices;
    XDevice **newDevices;
    int i,j,index=0, numOfDevices;
    extern int SDL_NumOfXDevices;
    XDeviceInfo *DevList;
    XAnyClassPtr deviceClass;
    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
   
    DevList=XListInputDevices(data->display, &numOfDevices);
    SDL_XDevices=(XDevice**) SDL_malloc(sizeof(XDevice));
    for(i=0;i<numOfDevices;++i)
    {
        if((DevList[i].use!=IsXPointer && DevList[i].use!=IsXKeyboard))
        {
            deviceClass=DevList[i].inputclassinfo;
            for(j=0;j<DevList[i].num_classes;++j)
            {
                if(deviceClass->class==ValuatorClass)
                {
                    newDevices= (XDevice**) SDL_realloc(SDL_XDevices, (index+1)*sizeof(*newDevices));
                    if(!newDevices)
                    {
                        SDL_OutOfMemory();
                        return -1;
                    }
                    SDL_XDevices=newDevices;
                    SDL_XDevices[index]=XOpenDevice(data->display,DevList[i].id);
                    SDL_Mouse mouse;
                    SDL_zero(mouse);
                    SDL_SetIndexId(DevList[i].id,index);
                    data->mouse = SDL_AddMouse(&mouse, index++,DevList[i].name);
                    break;
                }
                deviceClass=(XAnyClassPtr)((char*)deviceClass + deviceClass->length);
            }
        }
    }
    XFreeDeviceList(DevList);
    SDL_NumOfXDevices=index;
}

void
X11_QuitMouse(_THIS)
{
    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;

    SDL_MouseQuit();
}

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