diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86Events.c')
| -rw-r--r-- | xorg-server/hw/xfree86/common/xf86Events.c | 1502 |
1 files changed, 751 insertions, 751 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Events.c b/xorg-server/hw/xfree86/common/xf86Events.c index c4a4db9be..72e969e6d 100644 --- a/xorg-server/hw/xfree86/common/xf86Events.c +++ b/xorg-server/hw/xfree86/common/xf86Events.c @@ -1,751 +1,751 @@ -/* - * 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 <X11/keysym.h> - -#ifdef XFreeXDGA -#include "dgaproc.h" -#endif - -#include <X11/extensions/XI.h> -#include <X11/extensions/XIproto.h> -#include "inputstr.h" -#include "xf86Xinput.h" - -#include "mi.h" -#include "mipointer.h" - -#include "xkbsrv.h" -#include "xkbstr.h" - -#ifdef DPMSExtension -#include <X11/extensions/dpmsconst.h> -#include "dpmsproc.h" -#endif - -/* - * 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) - */ - -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(void) -{ - if (xf86Info.lastEventTime == 0) { - xf86Info.lastEventTime = GetTimeInMillis(); - } - return GetTimeInMillis() - xf86Info.lastEventTime; -} - -/* - * SetTimeSinceLastInputEvent -- - * Set the lastEventTime to now. - */ -void -SetTimeSinceLastInputEvent(void) -{ - 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 (void) -{ - int x, y; - - mieqProcessInputEvents(); - - /* FIXME: This is a problem if we have multiple pointers */ - miPointerGetPosition(inputInfo.pointer, &x, &y); - xf86SetViewport(xf86Info.currentScreen, x, y); -} - -/* - * 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) -{ - DebugF("ProcessActionEvent(%d,%x)\n", (int) action, arg); - 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_SWITCHSCREEN: - if (VTSwitchEnabled && !xf86Info.dontVTSwitch && arg) { - int vtno = *((int *) arg); - - if (vtno != xf86Info.vtno) { - if (!xf86VTActivate(vtno)) { - ErrorF("Failed to switch from vt%02d to vt%02d: %s\n", - xf86Info.vtno, vtno, strerror(errno)); - } - } - } - break; - case ACTION_SWITCHSCREEN_NEXT: - if (VTSwitchEnabled && !xf86Info.dontVTSwitch) { - if (!xf86VTActivate(xf86Info.vtno + 1)) { - /* If first try failed, assume this is the last VT and - * try wrapping around to the first vt. - */ - if (!xf86VTActivate(1)) { - ErrorF("Failed to switch from vt%02d to next vt: %s\n", - xf86Info.vtno, strerror(errno)); - } - } - } - break; - case ACTION_SWITCHSCREEN_PREV: - if (VTSwitchEnabled && !xf86Info.dontVTSwitch && xf86Info.vtno > 0) { - if (!xf86VTActivate(xf86Info.vtno - 1)) { - /* Don't know what the maximum VT is, so can't wrap around */ - ErrorF("Failed to switch from vt%02d to previous vt: %s\n", - xf86Info.vtno, strerror(errno)); - } - } - break; - default: - break; - } -} - -/* - * xf86Wakeup -- - * Os wakeup handler. - */ - -/* ARGSUSED */ -void -xf86Wakeup(pointer blockData, int err, pointer pReadmask) -{ - 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(); - - /* - * Remove the descriptior from the set because more than one - * device may share the same file descriptor. - */ - FD_CLR(pInfo->fd, &devicesWithInput); - - pInfo->read_input(pInfo); - xf86UnblockSIGIO(sigstate); - } - pInfo = pInfo->next; - } - } - } - - 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(); -} - - -/* - * xf86SigioReadInput -- - * signal handler for the SIGIO signal. - */ -static void -xf86SigioReadInput(int fd, void *closure) -{ - int errno_save = errno; - InputInfoPtr pInfo = closure; - - pInfo->read_input(pInfo); - - errno = errno_save; -} - -/* - * xf86AddEnabledDevice -- - * - */ -void -xf86AddEnabledDevice(InputInfoPtr pInfo) -{ - if (!xf86InstallSIGIOHandler (pInfo->fd, xf86SigioReadInput, pInfo)) { - AddEnabledDevice(pInfo->fd); - } -} - -/* - * xf86RemoveEnabledDevice -- - * - */ -void -xf86RemoveEnabledDevice(InputInfoPtr pInfo) -{ - if (!xf86RemoveSIGIOHandler (pInfo->fd)) { - RemoveEnabledDevice(pInfo->fd); - } -} - -static int *xf86SignalIntercept = NULL; - -void -xf86InterceptSignals(int *signo) -{ - if ((xf86SignalIntercept = signo)) - *signo = -1; -} - -static void (*xf86SigIllHandler)(void) = NULL; - -void -xf86InterceptSigIll(void (*sigillhandler)(void)) -{ - xf86SigIllHandler = sigillhandler; -} - -/* - * xf86SigWrapper -- - * Catch unexpected signals and exit or continue cleanly. - */ -int -xf86SigWrapper(int signo) -{ - if ((signo == SIGILL) && xf86SigIllHandler) { - (*xf86SigIllHandler)(); - return 0; /* continue */ - } - - if (xf86SignalIntercept && (*xf86SignalIntercept < 0)) { - *xf86SignalIntercept = signo; - return 0; /* continue */ - } - - xf86Info.caughtSignal = TRUE; - return 1; /* abort */ -} - -/* - * xf86PrintBacktrace -- - * Print a stack backtrace for debugging purposes. - */ -void -xf86PrintBacktrace(void) -{ - xorg_backtrace(); -} - -static void -xf86ReleaseKeys(DeviceIntPtr pDev) -{ - KeyClassPtr keyc; - int i, sigstate; - - if (!pDev || !pDev->key) - return; - - keyc = pDev->key; - - /* - * 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->xkbInfo->desc->min_key_code; - i < keyc->xkbInfo->desc->max_key_code; - i++) { - if (key_is_down(pDev, i, KEY_POSTED)) { - sigstate = xf86BlockSIGIO (); - QueueKeyboardEvents(pDev, KeyRelease, i, NULL); - xf86UnblockSIGIO(sigstate); - } - } -} - -/* - * xf86VTSwitch -- - * Handle requests for switching the vt. - */ -static void -xf86VTSwitch(void) -{ - int i; - static int prevSIGIO; - InputInfoPtr pInfo; - IHPtr ih; - - DebugF("xf86VTSwitch()\n"); - -#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) { - - DebugF("xf86VTSwitch: Leaving, xf86Exiting is %s\n", - BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE)); -#ifdef DPMSExtension - if (DPMSPowerLevel != DPMSModeOn) - DPMSSet(serverClient, 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 - */ - for (ih = InputHandlers; ih; ih = ih->next) - xf86DisableInputHandler(ih); - for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next) { - if (pInfo->dev) { - xf86ReleaseKeys(pInfo->dev); - ProcessInputEvents(); - DisableDevice(pInfo->dev, TRUE); - } - } - - prevSIGIO = xf86BlockSIGIO(); - for (i = 0; i < xf86NumScreens; i++) - xf86Screens[i]->LeaveVT(i, 0); - - xf86AccessLeave(); /* We need this here, otherwise */ - - if (!xf86VTSwitchAway()) { - /* - * switch failed - */ - - DebugF("xf86VTSwitch: Leave failed\n"); - xf86AccessEnter(); - for (i = 0; i < xf86NumScreens; i++) { - if (!xf86Screens[i]->EnterVT(i, 0)) - FatalError("EnterVT failed for screen %d\n", i); - } - if (!(dispatchException & DE_TERMINATE)) { - for (i = 0; i < xf86NumScreens; i++) { - if (xf86Screens[i]->EnableDisableFBAccess) - (*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE); - } - } - dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); - - pInfo = xf86InputDevs; - while (pInfo) { - if (pInfo->dev) - EnableDevice(pInfo->dev, TRUE); - pInfo = pInfo->next; - } - 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; - } - if (xorgHWAccess) - xf86DisableIO(); - } - } else { - DebugF("xf86VTSwitch: Entering\n"); - if (!xf86VTSwitchTo()) return; - -#ifdef XF86PM - xf86OSPMClose = xf86OSPMOpen(); -#endif - - if (xorgHWAccess) - xf86EnableIO(); - xf86AccessEnter(); - for (i = 0; i < xf86NumScreens; i++) { - xf86Screens[i]->vtSema = TRUE; - if (!xf86Screens[i]->EnterVT(i, 0)) - FatalError("EnterVT failed for screen %d\n", i); - } - for (i = 0; i < xf86NumScreens; i++) { - if (xf86Screens[i]->EnableDisableFBAccess) - (*xf86Screens[i]->EnableDisableFBAccess)(i, TRUE); - } - - /* Turn screen saver off when switching back */ - dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); - - pInfo = xf86InputDevs; - while (pInfo) { - if (pInfo->dev) - EnableDevice(pInfo->dev, TRUE); - pInfo = pInfo->next; - } - - 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 = calloc(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; -} - -pointer -xf86AddInputHandler(int fd, InputHandlerProc proc, pointer data) -{ - IHPtr ih = addInputHandler(fd, proc, data); - - if (ih) - AddEnabledDevice(fd); - return ih; -} - -pointer -xf86AddGeneralHandler(int fd, InputHandlerProc proc, pointer data) -{ - IHPtr ih = addInputHandler(fd, proc, data); - - if (ih) - AddGeneralSocket(fd); - return ih; -} - -/** - * Set the handler for the console's fd. Replaces (and returns) the previous - * handler or NULL, whichever appropriate. - * proc may be NULL if the server should not handle events on the console. - */ -InputHandlerProc -xf86SetConsoleHandler(InputHandlerProc proc, pointer data) -{ - static InputHandlerProc handler = NULL; - InputHandlerProc old_handler = handler; - - if (old_handler) - xf86RemoveGeneralHandler(old_handler); - - xf86AddGeneralHandler(xf86Info.consoleFd, proc, data); - handler = proc; - - return old_handler; -} - -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; - } - free(ih); -} - -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; -} - -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; -} - -void -xf86DisableInputHandler(pointer handler) -{ - IHPtr ih; - - if (!handler) - return; - - ih = handler; - ih->enabled = FALSE; - if (ih->fd >= 0) - RemoveEnabledDevice(ih->fd); -} - -void -xf86DisableGeneralHandler(pointer handler) -{ - IHPtr ih; - - if (!handler) - return; - - ih = handler; - ih->enabled = FALSE; - if (ih->fd >= 0) - RemoveGeneralSocket(ih->fd); -} - -void -xf86EnableInputHandler(pointer handler) -{ - IHPtr ih; - - if (!handler) - return; - - ih = handler; - ih->enabled = TRUE; - if (ih->fd >= 0) - AddEnabledDevice(ih->fd); -} - -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. - */ -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 -DDXRingBell(int volume, int pitch, int duration) { - xf86OSRingBell(volume, pitch, duration); -} +/*
+ * 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 <X11/keysym.h>
+
+#ifdef XFreeXDGA
+#include "dgaproc.h"
+#endif
+
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "inputstr.h"
+#include "xf86Xinput.h"
+
+#include "mi.h"
+#include "mipointer.h"
+
+#include "xkbsrv.h"
+#include "xkbstr.h"
+
+#ifdef DPMSExtension
+#include <X11/extensions/dpmsconst.h>
+#include "dpmsproc.h"
+#endif
+
+/*
+ * 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)
+ */
+
+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(void)
+{
+ if (xf86Info.lastEventTime == 0) {
+ xf86Info.lastEventTime = GetTimeInMillis();
+ }
+ return GetTimeInMillis() - xf86Info.lastEventTime;
+}
+
+/*
+ * SetTimeSinceLastInputEvent --
+ * Set the lastEventTime to now.
+ */
+void
+SetTimeSinceLastInputEvent(void)
+{
+ 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 (void)
+{
+ int x, y;
+
+ mieqProcessInputEvents();
+
+ /* FIXME: This is a problem if we have multiple pointers */
+ miPointerGetPosition(inputInfo.pointer, &x, &y);
+ xf86SetViewport(xf86Info.currentScreen, x, y);
+}
+
+/*
+ * 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)
+{
+ DebugF("ProcessActionEvent(%d,%x)\n", (int) action, arg);
+ 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_SWITCHSCREEN:
+ if (VTSwitchEnabled && !xf86Info.dontVTSwitch && arg) {
+ int vtno = *((int *) arg);
+
+ if (vtno != xf86Info.vtno) {
+ if (!xf86VTActivate(vtno)) {
+ ErrorF("Failed to switch from vt%02d to vt%02d: %s\n",
+ xf86Info.vtno, vtno, strerror(errno));
+ }
+ }
+ }
+ break;
+ case ACTION_SWITCHSCREEN_NEXT:
+ if (VTSwitchEnabled && !xf86Info.dontVTSwitch) {
+ if (!xf86VTActivate(xf86Info.vtno + 1)) {
+ /* If first try failed, assume this is the last VT and
+ * try wrapping around to the first vt.
+ */
+ if (!xf86VTActivate(1)) {
+ ErrorF("Failed to switch from vt%02d to next vt: %s\n",
+ xf86Info.vtno, strerror(errno));
+ }
+ }
+ }
+ break;
+ case ACTION_SWITCHSCREEN_PREV:
+ if (VTSwitchEnabled && !xf86Info.dontVTSwitch && xf86Info.vtno > 0) {
+ if (!xf86VTActivate(xf86Info.vtno - 1)) {
+ /* Don't know what the maximum VT is, so can't wrap around */
+ ErrorF("Failed to switch from vt%02d to previous vt: %s\n",
+ xf86Info.vtno, strerror(errno));
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/*
+ * xf86Wakeup --
+ * Os wakeup handler.
+ */
+
+/* ARGSUSED */
+void
+xf86Wakeup(pointer blockData, int err, pointer pReadmask)
+{
+ 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();
+
+ /*
+ * Remove the descriptior from the set because more than one
+ * device may share the same file descriptor.
+ */
+ FD_CLR(pInfo->fd, &devicesWithInput);
+
+ pInfo->read_input(pInfo);
+ xf86UnblockSIGIO(sigstate);
+ }
+ pInfo = pInfo->next;
+ }
+ }
+ }
+
+ 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();
+}
+
+
+/*
+ * xf86SigioReadInput --
+ * signal handler for the SIGIO signal.
+ */
+static void
+xf86SigioReadInput(int fd, void *closure)
+{
+ int errno_save = errno;
+ InputInfoPtr pInfo = closure;
+
+ pInfo->read_input(pInfo);
+
+ errno = errno_save;
+}
+
+/*
+ * xf86AddEnabledDevice --
+ *
+ */
+void
+xf86AddEnabledDevice(InputInfoPtr pInfo)
+{
+ if (!xf86InstallSIGIOHandler (pInfo->fd, xf86SigioReadInput, pInfo)) {
+ AddEnabledDevice(pInfo->fd);
+ }
+}
+
+/*
+ * xf86RemoveEnabledDevice --
+ *
+ */
+void
+xf86RemoveEnabledDevice(InputInfoPtr pInfo)
+{
+ if (!xf86RemoveSIGIOHandler (pInfo->fd)) {
+ RemoveEnabledDevice(pInfo->fd);
+ }
+}
+
+static int *xf86SignalIntercept = NULL;
+
+void
+xf86InterceptSignals(int *signo)
+{
+ if ((xf86SignalIntercept = signo))
+ *signo = -1;
+}
+
+static void (*xf86SigIllHandler)(void) = NULL;
+
+void
+xf86InterceptSigIll(void (*sigillhandler)(void))
+{
+ xf86SigIllHandler = sigillhandler;
+}
+
+/*
+ * xf86SigWrapper --
+ * Catch unexpected signals and exit or continue cleanly.
+ */
+int
+xf86SigWrapper(int signo)
+{
+ if ((signo == SIGILL) && xf86SigIllHandler) {
+ (*xf86SigIllHandler)();
+ return 0; /* continue */
+ }
+
+ if (xf86SignalIntercept && (*xf86SignalIntercept < 0)) {
+ *xf86SignalIntercept = signo;
+ return 0; /* continue */
+ }
+
+ xf86Info.caughtSignal = TRUE;
+ return 1; /* abort */
+}
+
+/*
+ * xf86PrintBacktrace --
+ * Print a stack backtrace for debugging purposes.
+ */
+void
+xf86PrintBacktrace(void)
+{
+ xorg_backtrace();
+}
+
+static void
+xf86ReleaseKeys(DeviceIntPtr pDev)
+{
+ KeyClassPtr keyc;
+ int i, sigstate;
+
+ if (!pDev || !pDev->key)
+ return;
+
+ keyc = pDev->key;
+
+ /*
+ * 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->xkbInfo->desc->min_key_code;
+ i < keyc->xkbInfo->desc->max_key_code;
+ i++) {
+ if (key_is_down(pDev, i, KEY_POSTED)) {
+ sigstate = xf86BlockSIGIO ();
+ QueueKeyboardEvents(pDev, KeyRelease, i, NULL);
+ xf86UnblockSIGIO(sigstate);
+ }
+ }
+}
+
+/*
+ * xf86VTSwitch --
+ * Handle requests for switching the vt.
+ */
+static void
+xf86VTSwitch(void)
+{
+ int i;
+ static int prevSIGIO;
+ InputInfoPtr pInfo;
+ IHPtr ih;
+
+ DebugF("xf86VTSwitch()\n");
+
+#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) {
+
+ DebugF("xf86VTSwitch: Leaving, xf86Exiting is %s\n",
+ BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE));
+#ifdef DPMSExtension
+ if (DPMSPowerLevel != DPMSModeOn)
+ DPMSSet(serverClient, 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
+ */
+ for (ih = InputHandlers; ih; ih = ih->next)
+ xf86DisableInputHandler(ih);
+ for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next) {
+ if (pInfo->dev) {
+ xf86ReleaseKeys(pInfo->dev);
+ ProcessInputEvents();
+ DisableDevice(pInfo->dev, TRUE);
+ }
+ }
+
+ prevSIGIO = xf86BlockSIGIO();
+ for (i = 0; i < xf86NumScreens; i++)
+ xf86Screens[i]->LeaveVT(i, 0);
+
+ xf86AccessLeave(); /* We need this here, otherwise */
+
+ if (!xf86VTSwitchAway()) {
+ /*
+ * switch failed
+ */
+
+ DebugF("xf86VTSwitch: Leave failed\n");
+ xf86AccessEnter();
+ for (i = 0; i < xf86NumScreens; i++) {
+ if (!xf86Screens[i]->EnterVT(i, 0))
+ FatalError("EnterVT failed for screen %d\n", i);
+ }
+ if (!(dispatchException & DE_TERMINATE)) {
+ for (i = 0; i < xf86NumScreens; i++) {
+ if (xf86Screens[i]->EnableDisableFBAccess)
+ (*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE);
+ }
+ }
+ dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
+
+ pInfo = xf86InputDevs;
+ while (pInfo) {
+ if (pInfo->dev)
+ EnableDevice(pInfo->dev, TRUE);
+ pInfo = pInfo->next;
+ }
+ 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;
+ }
+ if (xorgHWAccess)
+ xf86DisableIO();
+ }
+ } else {
+ DebugF("xf86VTSwitch: Entering\n");
+ if (!xf86VTSwitchTo()) return;
+
+#ifdef XF86PM
+ xf86OSPMClose = xf86OSPMOpen();
+#endif
+
+ if (xorgHWAccess)
+ xf86EnableIO();
+ xf86AccessEnter();
+ for (i = 0; i < xf86NumScreens; i++) {
+ xf86Screens[i]->vtSema = TRUE;
+ if (!xf86Screens[i]->EnterVT(i, 0))
+ FatalError("EnterVT failed for screen %d\n", i);
+ }
+ for (i = 0; i < xf86NumScreens; i++) {
+ if (xf86Screens[i]->EnableDisableFBAccess)
+ (*xf86Screens[i]->EnableDisableFBAccess)(i, TRUE);
+ }
+
+ /* Turn screen saver off when switching back */
+ dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
+
+ pInfo = xf86InputDevs;
+ while (pInfo) {
+ if (pInfo->dev)
+ EnableDevice(pInfo->dev, TRUE);
+ pInfo = pInfo->next;
+ }
+
+ 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 = calloc(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;
+}
+
+pointer
+xf86AddInputHandler(int fd, InputHandlerProc proc, pointer data)
+{
+ IHPtr ih = addInputHandler(fd, proc, data);
+
+ if (ih)
+ AddEnabledDevice(fd);
+ return ih;
+}
+
+pointer
+xf86AddGeneralHandler(int fd, InputHandlerProc proc, pointer data)
+{
+ IHPtr ih = addInputHandler(fd, proc, data);
+
+ if (ih)
+ AddGeneralSocket(fd);
+ return ih;
+}
+
+/**
+ * Set the handler for the console's fd. Replaces (and returns) the previous
+ * handler or NULL, whichever appropriate.
+ * proc may be NULL if the server should not handle events on the console.
+ */
+InputHandlerProc
+xf86SetConsoleHandler(InputHandlerProc proc, pointer data)
+{
+ static InputHandlerProc handler = NULL;
+ InputHandlerProc old_handler = handler;
+
+ if (old_handler)
+ xf86RemoveGeneralHandler(old_handler);
+
+ xf86AddGeneralHandler(xf86Info.consoleFd, proc, data);
+ handler = proc;
+
+ return old_handler;
+}
+
+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;
+ }
+ free(ih);
+}
+
+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;
+}
+
+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;
+}
+
+void
+xf86DisableInputHandler(pointer handler)
+{
+ IHPtr ih;
+
+ if (!handler)
+ return;
+
+ ih = handler;
+ ih->enabled = FALSE;
+ if (ih->fd >= 0)
+ RemoveEnabledDevice(ih->fd);
+}
+
+void
+xf86DisableGeneralHandler(pointer handler)
+{
+ IHPtr ih;
+
+ if (!handler)
+ return;
+
+ ih = handler;
+ ih->enabled = FALSE;
+ if (ih->fd >= 0)
+ RemoveGeneralSocket(ih->fd);
+}
+
+void
+xf86EnableInputHandler(pointer handler)
+{
+ IHPtr ih;
+
+ if (!handler)
+ return;
+
+ ih = handler;
+ ih->enabled = TRUE;
+ if (ih->fd >= 0)
+ AddEnabledDevice(ih->fd);
+}
+
+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.
+ */
+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
+DDXRingBell(int volume, int pitch, int duration) {
+ xf86OSRingBell(volume, pitch, duration);
+}
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