SDL: src/video/x11/SDL_x11mouse.c@24db5d326f57

     1 /*

     2     SDL - Simple DirectMedia Layer

     3     Copyright (C) 1997-2006 Sam Lantinga

     5     This library is free software; you can redistribute it and/or

     6     modify it under the terms of the GNU Lesser General Public

     7     License as published by the Free Software Foundation; either

     8     version 2.1 of the License, or (at your option) any later version.

    10     This library is distributed in the hope that it will be useful,

    11     but WITHOUT ANY WARRANTY; without even the implied warranty of

    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13     Lesser General Public License for more details.

    15     You should have received a copy of the GNU Lesser General Public

    16     License along with this library; if not, write to the Free Software

    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    19     Sam Lantinga

    20     slouken@libsdl.org

    21 */

    22 #include "SDL_config.h"

    24 #include "SDL_x11video.h"

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

    28 void

    29 X11_InitMouse(_THIS)

    30 {

    31     extern XDevice **SDL_XDevices;

    32     XDevice **newDevices;

    33     int i,j,index=0, numOfDevices;

    34     extern int SDL_NumOfXDevices;

    35     XDeviceInfo *DevList;

    36     XAnyClassPtr deviceClass;

    37     SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;

    39     DevList=XListInputDevices(data->display, &numOfDevices);

    40     SDL_XDevices=(XDevice**) SDL_malloc(sizeof(XDevice));

    41     for(i=0;i<numOfDevices;++i)

    42     {

    43         if((DevList[i].use!=IsXPointer && DevList[i].use!=IsXKeyboard))

    44         {

    45             deviceClass=DevList[i].inputclassinfo;

    46             for(j=0;j<DevList[i].num_classes;++j)

    47             {

    48                 if(deviceClass->class==ValuatorClass)

    49                 {

    50                     XValuatorInfo* valInfo;

    51                     newDevices= (XDevice**) SDL_realloc(SDL_XDevices, (index+1)*sizeof(*newDevices));

    52                     if(!newDevices)

    53                     {

    54                         SDL_OutOfMemory();

    55                         return -1;

    56                     }

    57                     SDL_XDevices=newDevices;

    58                     SDL_XDevices[index]=XOpenDevice(data->display,DevList[i].id);

    59                     SDL_Mouse mouse;

    60                     SDL_zero(mouse);

    61                     SDL_SetIndexId(DevList[i].id,index);

    62                     valInfo=(XValuatorInfo*)deviceClass;

    63                     if(valInfo->num_axes>2)

    64                     {

    65                         data->mouse = SDL_AddMouse(&mouse, index++,DevList[i].name,valInfo->axes[2].max_value,valInfo->axes[2].min_value);

    66                     }

    67                     else

    68                     {

    69                          data->mouse = SDL_AddMouse(&mouse, index++,DevList[i].name,0,0);

    70                     }

    71                     break;

    72                 }

    73                 deviceClass=(XAnyClassPtr)((char*)deviceClass + deviceClass->length);

    74             }

    75         }

    76     }

    77     XFreeDeviceList(DevList);

    78     SDL_NumOfXDevices=index;

    79 }

    81 void

    82 X11_QuitMouse(_THIS)

    83 {

    84     SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;

    86     SDL_MouseQuit();

    87 }

    89 /* vi: set ts=4 sw=4 expandtab: */

author	Szymon Wilczek
	Sun, 06 Jul 2008 09:24:56 +0000
branch	gsoc2008_manymouse
changeset 3766	24db5d326f57
parent 3761	e0c95ad1ba87
child 3772	9087a84cba51
permissions	-rw-r--r--