Mercurial > sdl-ios-xcode
view src/video/x11/SDL_x11touch.c @ 5088:c2539ff054c8
Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 24 Jan 2011 15:46:11 -0800 |
parents | 4913042e8572 |
children | b530ef003506 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2010 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 "SDL_x11touch.h" #include "../../events/SDL_touch_c.h" #ifdef SDL_INPUT_LINUXEV #include <linux/input.h> #include <fcntl.h> #endif void X11_InitTouch(_THIS) { #ifdef SDL_INPUT_LINUXEV FILE *fd; fd = fopen("/proc/bus/input/devices","r"); char c; int i = 0; char line[256]; char tstr[256]; int vendor = -1,product = -1,event = -1; while(!feof(fd)) { if(fgets(line,256,fd) <=0) continue; if(line[0] == '\n') { if(vendor == 1386){ /*printf("Wacom... Assuming it is a touch device\n");*/ /*sprintf(tstr,"/dev/input/event%i",event);*/ /*printf("At location: %s\n",tstr);*/ SDL_Touch touch; touch.pressure_max = 0; touch.pressure_min = 0; touch.id = event; touch.driverdata = SDL_malloc(sizeof(EventTouchData)); EventTouchData* data = (EventTouchData*)(touch.driverdata); data->x = -1; data->y = -1; data->pressure = -1; data->finger = 0; data->up = SDL_FALSE; data->eventStream = open(tstr, O_RDONLY | O_NONBLOCK); ioctl (data->eventStream, EVIOCGNAME (sizeof (tstr)), tstr); int abs[5]; ioctl(data->eventStream,EVIOCGABS(0),abs); touch.x_min = abs[1]; touch.x_max = abs[2]; touch.native_xres = touch.x_max - touch.x_min; ioctl(data->eventStream,EVIOCGABS(ABS_Y),abs); touch.y_min = abs[1]; touch.y_max = abs[2]; touch.native_yres = touch.y_max - touch.y_min; ioctl(data->eventStream,EVIOCGABS(ABS_PRESSURE),abs); touch.pressure_min = abs[1]; touch.pressure_max = abs[2]; touch.native_pressureres = touch.pressure_max - touch.pressure_min; SDL_AddTouch(&touch, tstr); } vendor = -1; product = -1; event = -1; } else if(line[0] == 'I') { i = 1; while(line[i]) { sscanf(&line[i],"Vendor=%x",&vendor); sscanf(&line[i],"Product=%x",&product); i++; } } else if(line[0] == 'H') { i = 1; while(line[i]) { sscanf(&line[i],"event%d",&event); i++; } } } close(fd); #endif } void X11_QuitTouch(_THIS) { SDL_TouchQuit(); } /* vi: set ts=4 sw=4 expandtab: */