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xserver-multidpi/hw/xfree86/common/xf86Events.c
Keith Packard accd71bda6 Deliver correct event when releasing keys on VT switch. 
In commit 41bb9fce47, the event delivery loop
for Xinput enabled keyboards was changed and accidentally used the wrong
index variable, causing random events to be delivered when returning from VT
switch.

In addition, in commit aeba855b07,
SIGIO was blocked during delivery of these events, but not for the entire
period the xf86Events array was being used. Block SIGIO for the whole loop
to avoid other event delivery from trashing the key release events.
(cherry picked from commit aa7ed1f5f3)
2007-09-05 14:56:56 -07:00

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/*
* Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
*
* 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 Thomas Roell not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Thomas Roell makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THOMAS ROELL 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.
*
*/
/*
* Copyright (c) 1994-2003 by The XFree86 Project, Inc.
*
* 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
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Except as contained in this notice, the name of the copyright holder(s)
* and author(s) shall not be used in advertising or otherwise to promote
* the sale, use or other dealings in this Software without prior written
* authorization from the copyright holder(s) and author(s).
*/
/* [JCH-96/01/21] Extended std reverse map to four buttons. */
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include <X11/Xpoll.h>
#include <X11/Xproto.h>
#include "misc.h"
#include "compiler.h"
#include "xf86.h"
#include "xf86Priv.h"
#define XF86_OS_PRIVS
#include "xf86_OSlib.h"
#include "atKeynames.h"
#ifdef XFreeXDGA
#include "dgaproc.h"
#endif
#ifdef XINPUT
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>
#else
#include "inputstr.h"
#endif
#include "xf86Xinput.h"
#include "mi.h"
#include "mipointer.h"
#ifdef XF86BIGFONT
#define _XF86BIGFONT_SERVER_
#include <X11/extensions/xf86bigfont.h>
#endif
#ifdef XKB
extern Bool noXkbExtension;
#endif
#ifdef DPMSExtension
#define DPMS_SERVER
#include <X11/extensions/dpms.h>
#include "dpmsproc.h"
#endif
#define XE_POINTER 1
#define XE_KEYBOARD 2
#define EqEnqueue(pDev, ev) { \
int __sigstate = xf86BlockSIGIO (); \
mieqEnqueue (pDev, ev); \
xf86UnblockSIGIO(__sigstate); \
}
/*
* The first of many hacks to get VT switching to work under
* Solaris 2.1 for x86. The basic problem is that Solaris is supposed
* to be SVR4. It is for the most part, except where the video interface
* is concerned. These hacks work around those problems.
* See the comments for Linux, and SCO.
*
* This is a toggling variable:
* FALSE = No VT switching keys have been pressed last time around
* TRUE = Possible VT switch Pending
* (DWH - 12/2/93)
*
* This has been generalised to work with Linux and *BSD+syscons (DHD)
*/
_X_EXPORT Bool VTSwitchEnabled = TRUE; /* Allows run-time disabling for
*BSD and for avoiding VT
switches when using the DRI
automatic full screen mode.*/
extern fd_set EnabledDevices;
#ifdef XF86PM
extern void (*xf86OSPMClose)(void);
#endif
static void xf86VTSwitch(void);
/*
* Allow arbitrary drivers or other XFree86 code to register with our main
* Wakeup handler.
*/
typedef struct x_IHRec {
int fd;
InputHandlerProc ihproc;
pointer data;
Bool enabled;
struct x_IHRec * next;
} IHRec, *IHPtr;
static IHPtr InputHandlers = NULL;
Bool
LegalModifier(unsigned int key, DeviceIntPtr pDev)
{
return TRUE;
}
/*
* TimeSinceLastInputEvent --
* Function used for screensaver purposes by the os module. Returns the
* time in milliseconds since there last was any input.
*/
int
TimeSinceLastInputEvent()
{
if (xf86Info.lastEventTime == 0) {
xf86Info.lastEventTime = GetTimeInMillis();
}
return GetTimeInMillis() - xf86Info.lastEventTime;
}
/*
* SetTimeSinceLastInputEvent --
* Set the lastEventTime to now.
*/
_X_EXPORT void
SetTimeSinceLastInputEvent()
{
xf86Info.lastEventTime = GetTimeInMillis();
}
/*
* ProcessInputEvents --
* Retrieve all waiting input events and pass them to DIX in their
* correct chronological order. Only reads from the system pointer
* and keyboard.
*/
void
ProcessInputEvents ()
{
int x, y;
#ifdef INHERIT_LOCK_STATE
static int generation = 0;
#endif
/*
* With INHERIT_LOCK_STATE defined, the initial state of CapsLock, NumLock
* and ScrollLock will be set to match that of the VT the server is
* running on.
*/
#ifdef INHERIT_LOCK_STATE
if (generation != serverGeneration) {
xEvent kevent;
DevicePtr pKeyboard = xf86Info.pKeyboard;
extern unsigned int xf86InitialCaps, xf86InitialNum, xf86InitialScroll;
generation = serverGeneration;
kevent.u.keyButtonPointer.time = GetTimeInMillis();
kevent.u.keyButtonPointer.rootX = 0;
kevent.u.keyButtonPointer.rootY = 0;
kevent.u.u.type = KeyPress;
if (xf86InitialCaps) {
kevent.u.u.detail = xf86InitialCaps;
(* pKeyboard->processInputProc)(&kevent, (DeviceIntPtr)pKeyboard, 1);
xf86InitialCaps = 0;
}
if (xf86InitialNum) {
kevent.u.u.detail = xf86InitialNum;
(* pKeyboard->processInputProc)(&kevent, (DeviceIntPtr)pKeyboard, 1);
xf86InitialNum = 0;
}
if (xf86InitialScroll) {
kevent.u.u.detail = xf86InitialScroll;
(* pKeyboard->processInputProc)(&kevent, (DeviceIntPtr)pKeyboard, 1);
xf86InitialScroll = 0;
}
}
#endif
xf86Info.inputPending = FALSE;
mieqProcessInputEvents();
miPointerUpdateSprite(inputInfo.pointer);
miPointerGetPosition(inputInfo.pointer, &x, &y);
xf86SetViewport(xf86Info.currentScreen, x, y);
}
void
xf86GrabServerCallback(CallbackListPtr *callbacks, pointer data, pointer args)
{
ServerGrabInfoRec *grab = (ServerGrabInfoRec*)args;
xf86Info.grabInfo.server.client = grab->client;
xf86Info.grabInfo.server.grabstate = grab->grabstate;
}
/*
* Handle keyboard events that cause some kind of "action"
* (i.e., server termination, video mode changes, VT switches, etc.)
*/
void
xf86ProcessActionEvent(ActionEvent action, void *arg)
{
#ifdef DEBUG
ErrorF("ProcessActionEvent(%d,%x)\n", (int) action, arg);
#endif
switch (action) {
case ACTION_TERMINATE:
if (!xf86Info.dontZap) {
#ifdef XFreeXDGA
DGAShutdown();
#endif
GiveUp(0);
}
break;
case ACTION_NEXT_MODE:
if (!xf86Info.dontZoom)
xf86ZoomViewport(xf86Info.currentScreen, 1);
break;
case ACTION_PREV_MODE:
if (!xf86Info.dontZoom)
xf86ZoomViewport(xf86Info.currentScreen, -1);
break;
case ACTION_DISABLEGRAB:
if (!xf86Info.grabInfo.disabled && xf86Info.grabInfo.allowDeactivate) {
if (inputInfo.pointer && inputInfo.pointer->grab != NULL &&
inputInfo.pointer->DeactivateGrab)
inputInfo.pointer->DeactivateGrab(inputInfo.pointer);
if (inputInfo.keyboard && inputInfo.keyboard->grab != NULL &&
inputInfo.keyboard->DeactivateGrab)
inputInfo.keyboard->DeactivateGrab(inputInfo.keyboard);
}
break;
case ACTION_CLOSECLIENT:
if (!xf86Info.grabInfo.disabled && xf86Info.grabInfo.allowClosedown) {
ClientPtr pointer, keyboard, server;
pointer = keyboard = server = NULL;
if (inputInfo.pointer && inputInfo.pointer->grab != NULL)
pointer = clients[CLIENT_ID(inputInfo.pointer->grab->resource)];
if (inputInfo.keyboard && inputInfo.keyboard->grab != NULL) {
keyboard = clients[CLIENT_ID(inputInfo.keyboard->grab->resource)];
if (keyboard == pointer)
keyboard = NULL;
}
if ((xf86Info.grabInfo.server.grabstate == SERVER_GRABBED) &&
(((server = xf86Info.grabInfo.server.client) == pointer) ||
(server == keyboard)))
server = NULL;
if (pointer)
CloseDownClient(pointer);
if (keyboard)
CloseDownClient(keyboard);
if (server)
CloseDownClient(server);
}
break;
#if !defined(__SOL8__) && !defined(sgi) && \
(!defined(sun) || defined(i386)) && defined(VT_ACTIVATE)
case ACTION_SWITCHSCREEN:
if (VTSwitchEnabled && !xf86Info.dontVTSwitch && arg) {
int vtno = *((int *) arg);
#if defined(__SCO__) || defined(__UNIXWARE__)
vtno--;
#endif
#if defined(QNX4)
xf86Info.vtRequestsPending = vtno;
#else
if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0)
ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
#endif
}
break;
case ACTION_SWITCHSCREEN_NEXT:
if (VTSwitchEnabled && !xf86Info.dontVTSwitch) {
/* Shouldn't this be true for (sun) && (i386) && (SVR4) ? */
#if defined(__SCO__) || defined(__UNIXWARE__)
if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) < 0)
#else
if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno + 1) < 0)
#endif
#if defined (__SCO__) || (defined(sun) && defined (i386) && defined (SVR4)) || defined(__UNIXWARE__)
if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 0) < 0)
#else
if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, 1) < 0)
#endif
ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
}
break;
case ACTION_SWITCHSCREEN_PREV:
if (VTSwitchEnabled && !xf86Info.dontVTSwitch && xf86Info.vtno > 0) {
if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno - 1) < 0)
ErrorF("Failed to switch consoles (%s)\n", strerror(errno));
}
break;
#endif
case ACTION_MESSAGE:
{
char *retstr, *message = (char *) arg;
ScrnInfoPtr pScr = XF86SCRNINFO(xf86Info.currentScreen);
#ifdef DEBUG
ErrorF("ActionMessage: '%s'\n", message);
#endif
/* Okay the message made it to the ddx. The common layer */
/* can check for relevant messages here and react to any */
/* that have a global effect. For example: */
/* */
/* if (!strcmp(message, "foo") { */
/* do_foo(); break */
/* } */
/* */
/* otherwise fallback to sending a key event message to */
/* the current screen's driver: */
if (*pScr->HandleMessage != NULL) {
(void) (*pScr->HandleMessage)(pScr->scrnIndex,
"KeyEventMessage", message, &retstr);
}
}
break;
default:
break;
}
}
#define ModifierIsSet(k) ((modifiers & (k)) == (k))
_X_EXPORT Bool
xf86CommonSpecialKey(int key, Bool down, int modifiers)
{
if ((!ModifierIsSet(ShiftMask)) &&
(((ModifierIsSet(ControlMask | AltMask)) ||
(ModifierIsSet(ControlMask | AltLangMask))))) {
switch (key) {
case KEY_BackSpace:
xf86ProcessActionEvent(ACTION_TERMINATE, NULL);
break;
/*
* Check grabs
*/
case KEY_KP_Divide:
xf86ProcessActionEvent(ACTION_DISABLEGRAB, NULL);
break;
case KEY_KP_Multiply:
xf86ProcessActionEvent(ACTION_CLOSECLIENT, NULL);
break;
/*
* The idea here is to pass the scancode down to a list of
* registered routines. There should be some standard conventions
* for processing certain keys.
*/
case KEY_KP_Minus: /* Keypad - */
if (down) xf86ProcessActionEvent(ACTION_PREV_MODE, NULL);
if (!xf86Info.dontZoom) return TRUE;
break;
case KEY_KP_Plus: /* Keypad + */
if (down) xf86ProcessActionEvent(ACTION_NEXT_MODE, NULL);
if (!xf86Info.dontZoom) return TRUE;
break;
}
}
return FALSE;
}
/*
* xf86Wakeup --
* Os wakeup handler.
*/
/* ARGSUSED */
void
xf86Wakeup(pointer blockData, int err, pointer pReadmask)
{
#if !defined(__QNX__)
fd_set* LastSelectMask = (fd_set*)pReadmask;
fd_set devicesWithInput;
InputInfoPtr pInfo;
if (err >= 0) {
XFD_ANDSET(&devicesWithInput, LastSelectMask, &EnabledDevices);
if (XFD_ANYSET(&devicesWithInput)) {
pInfo = xf86InputDevs;
while (pInfo) {
if (pInfo->read_input && pInfo->fd >= 0 &&
(FD_ISSET(pInfo->fd, &devicesWithInput) != 0)) {
int sigstate = xf86BlockSIGIO();
pInfo->read_input(pInfo);
xf86UnblockSIGIO(sigstate);
/*
* Remove the descriptior from the set because more than one
* device may share the same file descriptor.
*/
FD_CLR(pInfo->fd, &devicesWithInput);
}
pInfo = pInfo->next;
}
}
}
#else /* __QNX__ */
InputInfoPtr pInfo;
pInfo = xf86InputDevs;
while (pInfo) {
if (pInfo->read_input && pInfo->fd >= 0) {
int sigstate = xf86BlockSIGIO();
pInfo->read_input(pInfo);
xf86UnblockSIGIO(sigstate);
/*
* Must break here because more than one device may share
* the same file descriptor.
*/
break;
}
pInfo = pInfo->next;
}
#endif /* __QNX__ */
if (err >= 0) { /* we don't want the handlers called if select() */
IHPtr ih; /* returned with an error condition, do we? */
for (ih = InputHandlers; ih; ih = ih->next) {
if (ih->enabled && ih->fd >= 0 && ih->ihproc &&
(FD_ISSET(ih->fd, ((fd_set *)pReadmask)) != 0)) {
ih->ihproc(ih->fd, ih->data);
}
}
}
if (xf86VTSwitchPending()) xf86VTSwitch();
if (xf86Info.inputPending) ProcessInputEvents();
}
/*
* xf86SigioReadInput --
* signal handler for the SIGIO signal.
*/
static void
xf86SigioReadInput(int fd,
void *closure)
{
int sigstate = xf86BlockSIGIO();
InputInfoPtr pInfo = (InputInfoPtr) closure;
pInfo->read_input(pInfo);
xf86UnblockSIGIO(sigstate);
}
/*
* xf86AddEnabledDevice --
*
*/
_X_EXPORT void
xf86AddEnabledDevice(InputInfoPtr pInfo)
{
if (!xf86InstallSIGIOHandler (pInfo->fd, xf86SigioReadInput, pInfo)) {
AddEnabledDevice(pInfo->fd);
}
}
/*
* xf86RemoveEnabledDevice --
*
*/
_X_EXPORT void
xf86RemoveEnabledDevice(InputInfoPtr pInfo)
{
if (!xf86RemoveSIGIOHandler (pInfo->fd)) {
RemoveEnabledDevice(pInfo->fd);
}
}
static int *xf86SignalIntercept = NULL;
_X_EXPORT void
xf86InterceptSignals(int *signo)
{
if ((xf86SignalIntercept = signo))
*signo = -1;
}
static void (*xf86SigIllHandler)(void) = NULL;
_X_EXPORT void
xf86InterceptSigIll(void (*sigillhandler)(void))
{
xf86SigIllHandler = sigillhandler;
}
#ifdef HAVE_BACKTRACE
#include <execinfo.h>
static __inline__ void xorg_backtrace(void)
{
void *array[32]; /* deeper nesting than this means something's wrong */
size_t size, i;
char **strings;
ErrorF("\nBacktrace:\n");
size = backtrace(array, 32);
strings = backtrace_symbols(array, size);
for (i = 0; i < size; i++)
ErrorF("%d: %s\n", i, strings[i]);
free(strings);
}
#else /* not glibc or glibc < 2.1 */
# if defined(sun) && defined(__SVR4)
# define HAVE_PSTACK
# endif
# if defined(HAVE_WALKCONTEXT) /* Solaris 9 & later */
# include <ucontext.h>
# include <signal.h>
# include <dlfcn.h>
# include <sys/elf.h>
#ifdef _LP64
# define ElfSym Elf64_Sym
#else
# define ElfSym Elf32_Sym
#endif
/* Called for each frame on the stack to print it's contents */
static int xorg_backtrace_frame(uintptr_t pc, int signo, void *arg)
{
Dl_info dlinfo;
ElfSym *dlsym;
char header[32];
int depth = *((int *) arg);
if (signo) {
char signame[SIG2STR_MAX];
if (sig2str(signo, signame) != 0) {
strcpy(signame, "unknown");
}
ErrorF("** Signal %d (%s)\n", signo, signame);
}
snprintf(header, sizeof(header), "%d: 0x%lx", depth, pc);
*((int *) arg) = depth + 1;
/* Ask system dynamic loader for info on the address */
if (dladdr1((void *) pc, &dlinfo, (void **) &dlsym, RTLD_DL_SYMENT)) {
unsigned long offset = pc - (uintptr_t) dlinfo.dli_saddr;
const char *symname;
if (offset < dlsym->st_size) { /* inside a function */
symname = dlinfo.dli_sname;
} else { /* found which file it was in, but not which function */
symname = "<section start>";
offset = pc - (uintptr_t)dlinfo.dli_fbase;
}
ErrorF("%s: %s:%s+0x%lx\n", header, dlinfo.dli_fname,
symname, offset);
} else {
/* Couldn't find symbol info from system dynamic loader, should
* probably poke elfloader here, but haven't written that code yet,
* so we just print the pc.
*/
ErrorF("%s\n", header);
}
return 0;
}
# endif /* HAVE_WALKCONTEXT */
# ifdef HAVE_PSTACK
static int xorg_backtrace_pstack(void) {
pid_t kidpid;
int pipefd[2];
if (pipe(pipefd) != 0) {
return -1;
}
kidpid = fork1();
if (kidpid == -1) {
/* ERROR */
return -1;
} else if (kidpid == 0) {
/* CHILD */
char parent[16];
seteuid(0);
close(STDIN_FILENO);
close(STDOUT_FILENO);
dup2(pipefd[1],STDOUT_FILENO);
closefrom(STDERR_FILENO);
snprintf(parent, sizeof(parent), "%d", getppid());
execle("/usr/bin/pstack", "pstack", parent, NULL);
exit(1);
} else {
/* PARENT */
char btline[256];
int kidstat;
int bytesread;
int done = 0;
close(pipefd[1]);
while (!done) {
bytesread = read(pipefd[0], btline, sizeof(btline) - 1);
if (bytesread > 0) {
btline[bytesread] = 0;
ErrorF("%s", btline);
}
else if ((bytesread < 0) ||
((errno != EINTR) && (errno != EAGAIN)))
done = 1;
}
close(pipefd[0]);
waitpid(kidpid, &kidstat, 0);
if (kidstat != 0)
return -1;
}
return 0;
}
# endif /* HAVE_PSTACK */
# if defined(HAVE_PSTACK) || defined(HAVE_WALKCONTEXT)
static __inline__ void xorg_backtrace(void) {
ErrorF("\nBacktrace:\n");
# ifdef HAVE_PSTACK
/* First try fork/exec of pstack - otherwise fall back to walkcontext
pstack is preferred since it can print names of non-exported functions */
if (xorg_backtrace_pstack() < 0)
# endif
{
# ifdef HAVE_WALKCONTEXT
ucontext_t u;
int depth = 1;
if (getcontext(&u) == 0)
walkcontext(&u, xorg_backtrace_frame, &depth);
else
# endif
Error("Failed to get backtrace info");
}
ErrorF("\n");
}
# else
/* Default fallback if we can't find any way to get a backtrace */
static __inline__ void xorg_backtrace(void) { return; }
# endif
#endif
/*
* xf86SigHandler --
* Catch unexpected signals and exit or continue cleanly.
*/
void
xf86SigHandler(int signo)
{
if ((signo == SIGILL) && xf86SigIllHandler) {
(*xf86SigIllHandler)();
/* Re-arm handler just in case we unexpectedly return here */
(void) signal(signo, xf86SigHandler);
return;
}
if (xf86SignalIntercept && (*xf86SignalIntercept < 0)) {
*xf86SignalIntercept = signo;
/* Re-arm handler just in case */
(void) signal(signo, xf86SigHandler);
return;
}
signal(signo,SIG_IGN);
xf86Info.caughtSignal = TRUE;
#ifdef XF86BIGFONT
XF86BigfontCleanup();
#endif
xorg_backtrace();
FatalError("Caught signal %d. Server aborting\n", signo);
}
static void
xf86ReleaseKeys(DeviceIntPtr pDev)
{
KeyClassPtr keyc = NULL;
KeySym *map = NULL;
xEvent ke;
int i = 0, j = 0, nevents = 0;
if (!pDev || !pDev->key)
return;
keyc = pDev->key;
map = keyc->curKeySyms.map;
/*
* Hmm... here is the biggest hack of every time !
* It may be possible that a switch-vt procedure has finished BEFORE
* you released all keys neccessary to do this. That peculiar behavior
* can fool the X-server pretty much, cause it assumes that some keys
* were not released. TWM may stuck alsmost completly....
* OK, what we are doing here is after returning from the vt-switch
* exeplicitely unrelease all keyboard keys before the input-devices
* are reenabled.
*/
for (i = keyc->curKeySyms.minKeyCode, map = keyc->curKeySyms.map;
i < keyc->curKeySyms.maxKeyCode;
i++, map += keyc->curKeySyms.mapWidth) {
if (KeyPressed(i)) {
switch (*map) {
/* Don't release the lock keys */
case XK_Caps_Lock:
case XK_Shift_Lock:
case XK_Num_Lock:
case XK_Scroll_Lock:
case XK_Kana_Lock:
break;
default:
if (pDev == inputInfo.keyboard) {
ke.u.keyButtonPointer.time = GetTimeInMillis();
ke.u.keyButtonPointer.rootX = 0;
ke.u.keyButtonPointer.rootY = 0;
ke.u.u.type = KeyRelease;
ke.u.u.detail = i;
(*pDev->public.processInputProc) (&ke, pDev, 1);
}
else {
int sigstate = xf86BlockSIGIO ();
nevents = GetKeyboardEvents(xf86Events, pDev, KeyRelease, i);
for (j = 0; j < nevents; j++)
mieqEnqueue(pDev, xf86Events + j);
xf86UnblockSIGIO(sigstate);
}
break;
}
}
}
}
/*
* xf86VTSwitch --
* Handle requests for switching the vt.
*/
static void
xf86VTSwitch()
{
int i, prevSIGIO;
InputInfoPtr pInfo;
IHPtr ih;
#ifdef DEBUG
ErrorF("xf86VTSwitch()\n");
#endif
#ifdef XFreeXDGA
if(!DGAVTSwitch())
return;
#endif
/*
* Since all screens are currently all in the same state it is sufficient
* check the first. This might change in future.
*/
if (xf86Screens[0]->vtSema) {
#ifdef DEBUG
ErrorF("xf86VTSwitch: Leaving, xf86Exiting is %s\n",
BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE));
#endif
#ifdef DPMSExtension
if (DPMSPowerLevel != DPMSModeOn)
DPMSSet(DPMSModeOn);
#endif
for (i = 0; i < xf86NumScreens; i++) {
if (!(dispatchException & DE_TERMINATE))
if (xf86Screens[i]->EnableDisableFBAccess)
(*xf86Screens[i]->EnableDisableFBAccess) (i, FALSE);
}
/*
* Keep the order: Disable Device > LeaveVT
* EnterVT > EnableDevice
*/
pInfo = xf86InputDevs;
while (pInfo) {
if (pInfo->dev)
DisableDevice(pInfo->dev);
pInfo = pInfo->next;
}
xf86EnterServerState(SETUP);
for (i = 0; i < xf86NumScreens; i++)
xf86Screens[i]->LeaveVT(i, 0);
for (ih = InputHandlers; ih; ih = ih->next)
xf86DisableInputHandler(ih);
xf86AccessLeave(); /* We need this here, otherwise */
xf86AccessLeaveState(); /* console won't be restored */
if (!xf86VTSwitchAway()) {
/*
* switch failed
*/
#ifdef DEBUG
ErrorF("xf86VTSwitch: Leave failed\n");
#endif
prevSIGIO = xf86BlockSIGIO();
xf86AccessEnter();
xf86EnterServerState(SETUP);
for (i = 0; i < xf86NumScreens; i++) {
if (!xf86Screens[i]->EnterVT(i, 0))
FatalError("EnterVT failed for screen %d\n", i);
}
xf86EnterServerState(OPERATING);
if (!(dispatchException & DE_TERMINATE)) {
for (i = 0; i < xf86NumScreens; i++) {
if (xf86Screens[i]->EnableDisableFBAccess)
(*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE);
}
}
SaveScreens(SCREEN_SAVER_FORCER, ScreenSaverReset);
pInfo = xf86InputDevs;
while (pInfo) {
if (pInfo->dev) {
xf86ReleaseKeys(pInfo->dev);
EnableDevice(pInfo->dev);
}
pInfo = pInfo->next;
}
/* XXX HACK */
xf86ReleaseKeys(inputInfo.keyboard);
for (ih = InputHandlers; ih; ih = ih->next)
xf86EnableInputHandler(ih);
xf86UnblockSIGIO(prevSIGIO);
} else {
#ifdef XF86PM
if (xf86OSPMClose)
xf86OSPMClose();
xf86OSPMClose = NULL;
#endif
for (i = 0; i < xf86NumScreens; i++) {
/*
* zero all access functions to
* trap calls when switched away.
*/
xf86Screens[i]->vtSema = FALSE;
xf86Screens[i]->access = NULL;
xf86Screens[i]->busAccess = NULL;
}
if (xorgHWAccess)
xf86DisableIO();
}
} else {
#ifdef DEBUG
ErrorF("xf86VTSwitch: Entering\n");
#endif
if (!xf86VTSwitchTo()) return;
prevSIGIO = xf86BlockSIGIO();
#ifdef XF86PM
xf86OSPMClose = xf86OSPMOpen();
#endif
if (xorgHWAccess)
xf86EnableIO();
xf86AccessEnter();
xf86EnterServerState(SETUP);
for (i = 0; i < xf86NumScreens; i++) {
xf86Screens[i]->vtSema = TRUE;
if (!xf86Screens[i]->EnterVT(i, 0))
FatalError("EnterVT failed for screen %d\n", i);
}
xf86EnterServerState(OPERATING);
for (i = 0; i < xf86NumScreens; i++) {
if (xf86Screens[i]->EnableDisableFBAccess)
(*xf86Screens[i]->EnableDisableFBAccess)(i, TRUE);
}
/* Turn screen saver off when switching back */
SaveScreens(SCREEN_SAVER_FORCER,ScreenSaverReset);
pInfo = xf86InputDevs;
while (pInfo) {
if (pInfo->dev) {
xf86ReleaseKeys(pInfo->dev);
EnableDevice(pInfo->dev);
}
pInfo = pInfo->next;
}
/* XXX HACK */
xf86ReleaseKeys(inputInfo.keyboard);
for (ih = InputHandlers; ih; ih = ih->next)
xf86EnableInputHandler(ih);
xf86UnblockSIGIO(prevSIGIO);
}
}
/* Input handler registration */
static pointer
addInputHandler(int fd, InputHandlerProc proc, pointer data)
{
IHPtr ih;
if (fd < 0 || !proc)
return NULL;
ih = xcalloc(sizeof(*ih), 1);
if (!ih)
return NULL;
ih->fd = fd;
ih->ihproc = proc;
ih->data = data;
ih->enabled = TRUE;
ih->next = InputHandlers;
InputHandlers = ih;
return ih;
}
_X_EXPORT pointer
xf86AddInputHandler(int fd, InputHandlerProc proc, pointer data)
{
IHPtr ih = addInputHandler(fd, proc, data);
if (ih)
AddEnabledDevice(fd);
return ih;
}
_X_EXPORT pointer
xf86AddGeneralHandler(int fd, InputHandlerProc proc, pointer data)
{
IHPtr ih = addInputHandler(fd, proc, data);
if (ih)
AddGeneralSocket(fd);
return ih;
}
static void
removeInputHandler(IHPtr ih)
{
IHPtr p;
if (ih == InputHandlers)
InputHandlers = ih->next;
else {
p = InputHandlers;
while (p && p->next != ih)
p = p->next;
if (ih)
p->next = ih->next;
}
xfree(ih);
}
_X_EXPORT int
xf86RemoveInputHandler(pointer handler)
{
IHPtr ih;
int fd;
if (!handler)
return -1;
ih = handler;
fd = ih->fd;
if (ih->fd >= 0)
RemoveEnabledDevice(ih->fd);
removeInputHandler(ih);
return fd;
}
_X_EXPORT int
xf86RemoveGeneralHandler(pointer handler)
{
IHPtr ih;
int fd;
if (!handler)
return -1;
ih = handler;
fd = ih->fd;
if (ih->fd >= 0)
RemoveGeneralSocket(ih->fd);
removeInputHandler(ih);
return fd;
}
_X_EXPORT void
xf86DisableInputHandler(pointer handler)
{
IHPtr ih;
if (!handler)
return;
ih = handler;
ih->enabled = FALSE;
if (ih->fd >= 0)
RemoveEnabledDevice(ih->fd);
}
_X_EXPORT void
xf86DisableGeneralHandler(pointer handler)
{
IHPtr ih;
if (!handler)
return;
ih = handler;
ih->enabled = FALSE;
if (ih->fd >= 0)
RemoveGeneralSocket(ih->fd);
}
_X_EXPORT void
xf86EnableInputHandler(pointer handler)
{
IHPtr ih;
if (!handler)
return;
ih = handler;
ih->enabled = TRUE;
if (ih->fd >= 0)
AddEnabledDevice(ih->fd);
}
_X_EXPORT void
xf86EnableGeneralHandler(pointer handler)
{
IHPtr ih;
if (!handler)
return;
ih = handler;
ih->enabled = TRUE;
if (ih->fd >= 0)
AddGeneralSocket(ih->fd);
}
/*
* As used currently by the DRI, the return value is ignored.
*/
_X_EXPORT Bool
xf86EnableVTSwitch(Bool new)
{
static Bool def = TRUE;
Bool old;
old = VTSwitchEnabled;
if (!new) {
/* Disable VT switching */
def = VTSwitchEnabled;
VTSwitchEnabled = FALSE;
} else {
/* Restore VT switching to default */
VTSwitchEnabled = def;
}
return old;
}
void
xf86ReloadInputDevs(int sig)
{
InputInfoPtr pInfo;
signal(sig, (void(*)(int))xf86ReloadInputDevs);
pInfo = xf86InputDevs;
while (pInfo) {
DisableDevice(pInfo->dev);
EnableDevice(pInfo->dev);
pInfo = pInfo->next;
}
return;
}
_X_EXPORT void
DDXRingBell(int volume, int pitch, int duration) {
xf86OSRingBell(volume, pitch, duration);
}
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