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Splitting the Windows-specific input device code into its own file

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@992 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
fayjf 2012-01-22 01:42:57 +00:00
parent cc36c34c2a
commit e0b5c3f20a
2 changed files with 146 additions and 94 deletions
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113
freeglut/freeglut/src/Common/freeglut_input_devices.c
View File

@ -46,22 +46,16 @@
#include <termios.h>
#include <fcntl.h>
typedef struct {
struct {
int fd;
struct termios termio, termio_save;
} SERIALPORT;
#elif TARGET_HOST_MS_WINDOWS
#include <sys/types.h>
#include <winbase.h>
typedef struct {
HANDLE fh;
COMMTIMEOUTS timeouts_save;
DCB dcb_save;
} SERIALPORT;
} _serialport;
#endif
typedef struct _serialport SERIALPORT;
/********************* Dialbox definitions ***********************/
#define DIAL_NUM_VALUATORS 8
@ -99,12 +93,13 @@ typedef struct {
/*****************************************************************/
static SERIALPORT *serial_open ( const char *device );
static void serial_close ( SERIALPORT *port );
static int serial_getchar ( SERIALPORT *port );
static int serial_putchar ( SERIALPORT *port, unsigned char ch );
static void serial_flush ( SERIALPORT *port );
extern SERIALPORT *serial_open ( const char *device );
extern void serial_close ( SERIALPORT *port );
extern int serial_getchar ( SERIALPORT *port );
extern int serial_putchar ( SERIALPORT *port, unsigned char ch );
extern void serial_flush ( SERIALPORT *port );
extern void fghRegisterDialDevice ( const char *dial_device );
static void send_dial_event(int dial, int value);
static void poll_dials(int id);
@ -132,26 +127,20 @@ int fgInputDeviceDetect( void )
/*
* Try initializing the input device(s)
*/
#if TARGET_HOST_POSIX_X11
static void fghRegisterDialDevice ( const char *dial_device )
{
}
#endif
void fgInitialiseInputDevices ( void )
{
if( !fgState.InputDevsInitialised )
{
const char *dial_device=NULL;
dial_device = getenv ( "GLUT_DIALS_SERIAL" );
#if TARGET_HOST_MS_WINDOWS
if (!dial_device){
static char devname[256];
DWORD size=sizeof(devname);
DWORD type = REG_SZ;
HKEY key;
if (RegOpenKeyA(HKEY_LOCAL_MACHINE,"SOFTWARE\\FreeGLUT",&key)==ERROR_SUCCESS) {
if (RegQueryValueExA(key,"DialboxSerialPort",NULL,&type,(LPBYTE)devname,&size)==ERROR_SUCCESS){
dial_device=devname;
}
RegCloseKey(key);
}
}
#endif
fghRegisterDialDevice ( dial_device );
if ( !dial_device ) return;
if ( !( dialbox_port = serial_open ( dial_device ) ) ) return;
serial_putchar(dialbox_port,DIAL_INITIALIZE);
@ -311,68 +300,4 @@ static void serial_flush ( SERIALPORT *port )
tcflush ( port->fd, TCIOFLUSH );
}
#elif TARGET_HOST_MS_WINDOWS
static SERIALPORT *serial_open(const char *device){
HANDLE fh;
DCB dcb={sizeof(DCB)};
COMMTIMEOUTS timeouts;
SERIALPORT *port;
fh = CreateFile(device,GENERIC_READ|GENERIC_WRITE,0,NULL,
OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
if (!fh) return NULL;
port = malloc(sizeof(SERIALPORT));
ZeroMemory(port, sizeof(SERIALPORT));
port->fh = fh;
/* save current port settings */
GetCommState(fh,&port->dcb_save);
GetCommTimeouts(fh,&port->timeouts_save);
dcb.DCBlength=sizeof(DCB);
BuildCommDCB("96,n,8,1",&dcb);
SetCommState(fh,&dcb);
ZeroMemory(&timeouts,sizeof(timeouts));
timeouts.ReadTotalTimeoutConstant=1;
timeouts.WriteTotalTimeoutConstant=1;
SetCommTimeouts(fh,&timeouts);
serial_flush(port);
return port;
}
static void serial_close(SERIALPORT *port){
if (port){
/* restore old port settings */
SetCommState(port->fh,&port->dcb_save);
SetCommTimeouts(port->fh,&port->timeouts_save);
CloseHandle(port->fh);
free(port);
}
}
static int serial_getchar(SERIALPORT *port){
DWORD n;
unsigned char ch;
if (!port) return EOF;
if (!ReadFile(port->fh,&ch,1,&n,NULL)) return EOF;
if (n==1) return ch;
return EOF;
}
static int serial_putchar(SERIALPORT *port, unsigned char ch){
DWORD n;
if (!port) return 0;
return WriteFile(port->fh,&ch,1,&n,NULL);
}
static void serial_flush ( SERIALPORT *port )
{
FlushFileBuffers(port->fh);
}
#endif

127
freeglut/freeglut/src/mswin/freeglut_input_devices_mswin.c
View File

@ -0,0 +1,127 @@
/*
* freeglut_input_devices_mswin.c
*
* The Windows-specific mouse cursor related stuff.
*
* Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
* Written by John F. Fay, <fayjf@sourceforge.net>
* Creation date: Sat Jan 21, 2012
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <GL/freeglut.h>
#include "freeglut_internal_mswin.h"
#include <sys/types.h>
#include <winbase.h>
typedef struct {
HANDLE fh;
COMMTIMEOUTS timeouts_save;
DCB dcb_save;
} SERIALPORT;
/* Serial Port Prototypes */
SERIALPORT *serial_open ( const char *device );
void serial_close ( SERIALPORT *port );
int serial_getchar ( SERIALPORT *port );
int serial_putchar ( SERIALPORT *port, unsigned char ch );
void serial_flush ( SERIALPORT *port );
void fghRegisterDialDevice ( const char *dial_device )
{
if (!dial_device){
static char devname[256];
DWORD size=sizeof(devname);
DWORD type = REG_SZ;
HKEY key;
if (RegOpenKeyA(HKEY_LOCAL_MACHINE,"SOFTWARE\\FreeGLUT",&key)==ERROR_SUCCESS) {
if (RegQueryValueExA(key,"DialboxSerialPort",NULL,&type,(LPBYTE)devname,&size)==ERROR_SUCCESS){
dial_device=devname;
}
RegCloseKey(key);
}
}
}
/* Serial Port Functions */
SERIALPORT *serial_open(const char *device){
HANDLE fh;
DCB dcb={sizeof(DCB)};
COMMTIMEOUTS timeouts;
SERIALPORT *port;
fh = CreateFile(device,GENERIC_READ|GENERIC_WRITE,0,NULL,
OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
if (!fh) return NULL;
port = malloc(sizeof(SERIALPORT));
ZeroMemory(port, sizeof(SERIALPORT));
port->fh = fh;
/* save current port settings */
GetCommState(fh,&port->dcb_save);
GetCommTimeouts(fh,&port->timeouts_save);
dcb.DCBlength=sizeof(DCB);
BuildCommDCB("96,n,8,1",&dcb);
SetCommState(fh,&dcb);
ZeroMemory(&timeouts,sizeof(timeouts));
timeouts.ReadTotalTimeoutConstant=1;
timeouts.WriteTotalTimeoutConstant=1;
SetCommTimeouts(fh,&timeouts);
serial_flush(port);
return port;
}
void serial_close(SERIALPORT *port){
if (port){
/* restore old port settings */
SetCommState(port->fh,&port->dcb_save);
SetCommTimeouts(port->fh,&port->timeouts_save);
CloseHandle(port->fh);
free(port);
}
}
int serial_getchar(SERIALPORT *port){
DWORD n;
unsigned char ch;
if (!port) return EOF;
if (!ReadFile(port->fh,&ch,1,&n,NULL)) return EOF;
if (n==1) return ch;
return EOF;
}
int serial_putchar(SERIALPORT *port, unsigned char ch){
DWORD n;
if (!port) return 0;
return WriteFile(port->fh,&ch,1,&n,NULL);
}
void serial_flush ( SERIALPORT *port )
{
FlushFileBuffers(port->fh);
}