diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/hurd/hurd_mouse.c')
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/hurd/hurd_mouse.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/os-support/hurd/hurd_mouse.c b/xorg-server/hw/xfree86/os-support/hurd/hurd_mouse.c new file mode 100644 index 000000000..089cba38d --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/hurd/hurd_mouse.c @@ -0,0 +1,242 @@ +/* + * Copyright 1997,1998 by UCHIYAMA Yasushi + * + * 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 UCHIYAMA Yasushi not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. UCHIYAMA Yasushi makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * UCHIYAMA YASUSHI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL UCHIYAMA YASUSHI 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. + * + */ + +#define NEED_EVENTS +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "inputstr.h" +#include "scrnintstr.h" +#include "mipointer.h" + +#include "xf86.h" +#include "xf86Xinput.h" +#include "xf86OSmouse.h" +#include "xf86_OSlib.h" +#include "xisb.h" + +#include <stdio.h> +#include <errno.h> +#include <sys/time.h> +#include <sys/file.h> +#include <assert.h> +#include <mach.h> +#include <sys/ioctl.h> + +#define DEFAULT_MOUSE_DEV "/dev/mouse" + +typedef unsigned short kev_type; /* kd event type */ +typedef unsigned char Scancode; + +struct mouse_motion { + short mm_deltaX; /* units? */ + short mm_deltaY; +}; + +typedef struct { + kev_type type; /* see below */ + struct timeval time; /* timestamp */ + union { /* value associated with event */ + boolean_t up; /* MOUSE_LEFT .. MOUSE_RIGHT */ + Scancode sc; /* KEYBD_EVENT */ + struct mouse_motion mmotion; /* MOUSE_MOTION */ + } value; +} kd_event; + +/* + * kd_event ID's. + */ +#define MOUSE_LEFT 1 /* mouse left button up/down */ +#define MOUSE_MIDDLE 2 +#define MOUSE_RIGHT 3 +#define MOUSE_MOTION 4 /* mouse motion */ +#define KEYBD_EVENT 5 /* key up/down */ + +#define NUMEVENTS 64 + +/* + * OsMouseReadInput -- + * Get some events from our queue. Process all outstanding events now. + */ +static void +OsMouseReadInput(InputInfoPtr pInfo) +{ + MouseDevPtr pMse; + static kd_event eventList[NUMEVENTS]; + int n, c; + kd_event *event = eventList; + unsigned char *pBuf; + + pMse = pInfo->private; + + XisbBlockDuration(pMse->buffer, -1); + pBuf = (unsigned char *)eventList; + n = 0; + while ((c = XisbRead(pMse->buffer)) >= 0 && n < sizeof(eventList)) + pBuf[n++] = (unsigned char)c; + + if (n == 0) + return; + + n /= sizeof(kd_event); + while( n-- ) { + int buttons = pMse->lastButtons; + int dx = 0, dy = 0; + switch (event->type) { + case MOUSE_RIGHT: + buttons = buttons & 6 |(event->value.up ? 0 : 1); + break; + case MOUSE_MIDDLE: + buttons = buttons & 5 |(event->value.up ? 0 : 2); + break; + case MOUSE_LEFT: + buttons = buttons & 3 |(event->value.up ? 0 : 4) ; + break; + case MOUSE_MOTION: + dx = event->value.mmotion.mm_deltaX; + dy = - event->value.mmotion.mm_deltaY; + break; + default: + ErrorF("Bad mouse event (%d)\n",event->type); + continue; + } + pMse->PostEvent(pInfo, buttons, dx, dy, 0, 0); + ++event; + } + return; +} + +static Bool +OsMousePreInit(InputInfoPtr pInfo, const char *protocol, int flags) +{ + MouseDevPtr pMse; + + /* This is called when the protocol is "OSMouse". */ + + pMse = pInfo->private; + pMse->protocol = protocol; + xf86Msg(X_CONFIG, "%s: Protocol: %s\n", pInfo->name, protocol); + + /* Collect the options, and process the common options. */ + xf86CollectInputOptions(pInfo, NULL, NULL); + xf86ProcessCommonOptions(pInfo, pInfo->options); + + /* Check if the device can be opened. */ + pInfo->fd = xf86OpenSerial(pInfo->options); + if (pInfo->fd == -1) { + if (xf86GetAllowMouseOpenFail()) + xf86Msg(X_WARNING, "%s: cannot open input device\n", pInfo->name); + else { + xf86Msg(X_ERROR, "%s: cannot open input device\n", pInfo->name); + xfree(pMse); + return FALSE; + } + } + xf86CloseSerial(pInfo->fd); + pInfo->fd = -1; + + /* Process common mouse options (like Emulate3Buttons, etc). */ + pMse->CommonOptions(pInfo); + + /* Setup the local procs. */ + pInfo->read_input = OsMouseReadInput; + + pInfo->flags |= XI86_CONFIGURED; + return TRUE; +} + +static const char * +FindDevice(InputInfoPtr pInfo, const char *protocol, int flags) +{ + const char path[] = DEFAULT_MOUSE_DEV; + int fd; + + SYSCALL (fd = open(path, O_RDWR | O_NONBLOCK | O_EXCL)); + + if (fd == -1) + return NULL; + + close(fd); + pInfo->conf_idev->commonOptions = + xf86AddNewOption(pInfo->conf_idev->commonOptions, "Device", path); + xf86Msg(X_INFO, "%s: Setting Device option to \"%s\"\n", pInfo->name, + path); + + return path; +} + +static int +SupportedInterfaces(void) +{ + /* XXX Need to check this. */ + return MSE_SERIAL | MSE_BUS | MSE_PS2 | MSE_XPS2 | MSE_AUTO; +} + +static const char *internalNames[] = { + "OSMouse", + NULL +}; + +static const char ** +BuiltinNames(void) +{ + return internalNames; +} + +static Bool +CheckProtocol(const char *protocol) +{ + int i; + + for (i = 0; internalNames[i]; i++) + if (xf86NameCmp(protocol, internalNames[i]) == 0) + return TRUE; + return FALSE; +} + +static const char * +DefaultProtocol(void) +{ + return "OSMouse"; +} + +OSMouseInfoPtr +xf86OSMouseInit(int flags) +{ + OSMouseInfoPtr p; + + p = xcalloc(sizeof(OSMouseInfoRec), 1); + if (!p) + return NULL; + p->SupportedInterfaces = SupportedInterfaces; + p->BuiltinNames = BuiltinNames; + p->FindDevice = FindDevice; + p->DefaultProtocol = DefaultProtocol; + p->CheckProtocol = CheckProtocol; + p->PreInit = OsMousePreInit; + return p; +} + |