diff options
Diffstat (limited to 'hw/xfree86/os-support/shared/posix_tty.c')
| -rw-r--r-- | hw/xfree86/os-support/shared/posix_tty.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/shared/posix_tty.c b/hw/xfree86/os-support/shared/posix_tty.c new file mode 100644 index 000000000..8e92511d3 --- /dev/null +++ b/hw/xfree86/os-support/shared/posix_tty.c @@ -0,0 +1,174 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/posix_tty.c,v 3.8.2.1 1998/02/07 14:27:25 dawes Exp $ */ +/* + * Copyright 1993 by David Dawes <dawes@physics.su.oz.au> + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of David Dawes + * not be used in advertising or publicity pertaining to distribution of + * the software without specific, written prior permission. + * David Dawes makes no representations about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + * + * DAVID DAWES DISCLAIMS ALL WARRANTIES WITH REGARD TO + * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL DAVID DAWES BE LIABLE FOR + * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF + * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ +/* $Xorg: posix_tty.c,v 1.3 2000/08/17 19:51:30 cpqbld Exp $ */ + +#define NEED_EVENTS +#include "X.h" +#include "Xproto.h" +#include "inputstr.h" +#include "scrnintstr.h" + +#include "xf86Procs.h" +#include "xf86_OSlib.h" +#include "xf86_Config.h" + +static Bool not_a_tty = FALSE; + +void xf86SetMouseSpeed(mouse, old, new, cflag) +MouseDevPtr mouse; +int old; +int new; +unsigned cflag; +{ + struct termios tty; + char *c; + + if (not_a_tty) + return; + + if (tcgetattr(mouse->mseFd, &tty) < 0) + { + not_a_tty = TRUE; + ErrorF("Warning: %s unable to get status of mouse fd (%s)\n", + mouse->mseDevice, strerror(errno)); + return; + } + + /* this will query the initial baudrate only once */ + if (mouse->oldBaudRate < 0) { + switch (cfgetispeed(&tty)) + { + case B9600: + mouse->oldBaudRate = 9600; + break; + case B4800: + mouse->oldBaudRate = 4800; + break; + case B2400: + mouse->oldBaudRate = 2400; + break; + case B1200: + default: + mouse->oldBaudRate = 1200; + break; + } + } + + tty.c_iflag = IGNBRK | IGNPAR; + tty.c_oflag = 0; + tty.c_lflag = 0; + tty.c_cflag = (tcflag_t)cflag; + tty.c_cc[VTIME] = 0; + tty.c_cc[VMIN] = 1; + + switch (old) + { + case 9600: + cfsetispeed(&tty, B9600); + cfsetospeed(&tty, B9600); + break; + case 4800: + cfsetispeed(&tty, B4800); + cfsetospeed(&tty, B4800); + break; + case 2400: + cfsetispeed(&tty, B2400); + cfsetospeed(&tty, B2400); + break; + case 1200: + default: + cfsetispeed(&tty, B1200); + cfsetospeed(&tty, B1200); + } + + if (tcsetattr(mouse->mseFd, TCSADRAIN, &tty) < 0) + { + if (xf86AllowMouseOpenFail) { + ErrorF("Unable to set status of mouse fd (%s) - Continuing...\n", + strerror(errno)); + return; + } + xf86FatalError("Unable to set status of mouse fd (%s)\n", + strerror(errno)); + } + + switch (new) + { + case 9600: + c = "*q"; + cfsetispeed(&tty, B9600); + cfsetospeed(&tty, B9600); + break; + case 4800: + c = "*p"; + cfsetispeed(&tty, B4800); + cfsetospeed(&tty, B4800); + break; + case 2400: + c = "*o"; + cfsetispeed(&tty, B2400); + cfsetospeed(&tty, B2400); + break; + case 1200: + default: + c = "*n"; + cfsetispeed(&tty, B1200); + cfsetospeed(&tty, B1200); + } + + if (mouse->mseType == P_LOGIMAN || mouse->mseType == P_LOGI) + { + if (write(mouse->mseFd, c, 2) != 2) + { + if (xf86AllowMouseOpenFail) { + ErrorF("Unable to write to mouse fd (%s) - Continuing...\n", + strerror(errno)); + return; + } + xf86FatalError("Unable to write to mouse fd (%s)\n", + strerror(errno)); + } + } + usleep(100000); + + if (tcsetattr(mouse->mseFd, TCSADRAIN, &tty) < 0) + { + if (xf86AllowMouseOpenFail) { + ErrorF("Unable to set status of mouse fd (%s) - Continuing...\n", + strerror(errno)); + return; + } + xf86FatalError("Unable to set status of mouse fd (%s)\n", + strerror(errno)); + } +} + +int +xf86FlushInput(fd) +int fd; +{ + return tcflush(fd, TCIFLUSH); +} + |