20fb07f436
The current approach to event posting required the DDX to request the event list (allocated by the DIX) and then pass that list into QueuePointerEvent and friends. Remove this step and use the DIX event list directly. This means that QueuePointerEvent is not reentrant but it wasn't before anyway. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
752 lines
17 KiB
C
752 lines
17 KiB
C
/*
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* Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Thomas Roell not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Thomas Roell makes no representations
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* about the suitability of this software for any purpose. It is provided
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* "as is" without express or implied warranty.
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*
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* THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THOMAS ROELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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/*
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* Copyright (c) 1994-2003 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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/* [JCH-96/01/21] Extended std reverse map to four buttons. */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xpoll.h>
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#include <X11/Xproto.h>
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#include "misc.h"
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#include "compiler.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#define XF86_OS_PRIVS
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#include "xf86_OSlib.h"
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#include <X11/keysym.h>
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#ifdef XFreeXDGA
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#include "dgaproc.h"
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#endif
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "inputstr.h"
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#include "xf86Xinput.h"
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#include "mi.h"
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#include "mipointer.h"
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#include "xkbsrv.h"
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#include "xkbstr.h"
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#ifdef DPMSExtension
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#include <X11/extensions/dpmsconst.h>
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#include "dpmsproc.h"
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#endif
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/*
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* This is a toggling variable:
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* FALSE = No VT switching keys have been pressed last time around
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* TRUE = Possible VT switch Pending
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* (DWH - 12/2/93)
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*
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* This has been generalised to work with Linux and *BSD+syscons (DHD)
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*/
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Bool VTSwitchEnabled = TRUE; /* Allows run-time disabling for
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*BSD and for avoiding VT
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switches when using the DRI
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automatic full screen mode.*/
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extern fd_set EnabledDevices;
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#ifdef XF86PM
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extern void (*xf86OSPMClose)(void);
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#endif
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static void xf86VTSwitch(void);
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/*
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* Allow arbitrary drivers or other XFree86 code to register with our main
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* Wakeup handler.
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*/
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typedef struct x_IHRec {
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int fd;
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InputHandlerProc ihproc;
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pointer data;
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Bool enabled;
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struct x_IHRec * next;
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} IHRec, *IHPtr;
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static IHPtr InputHandlers = NULL;
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Bool
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LegalModifier(unsigned int key, DeviceIntPtr pDev)
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{
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return TRUE;
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}
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/*
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* TimeSinceLastInputEvent --
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* Function used for screensaver purposes by the os module. Returns the
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* time in milliseconds since there last was any input.
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*/
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int
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TimeSinceLastInputEvent(void)
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{
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if (xf86Info.lastEventTime == 0) {
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xf86Info.lastEventTime = GetTimeInMillis();
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}
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return GetTimeInMillis() - xf86Info.lastEventTime;
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}
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/*
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* SetTimeSinceLastInputEvent --
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* Set the lastEventTime to now.
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*/
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void
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SetTimeSinceLastInputEvent(void)
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{
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xf86Info.lastEventTime = GetTimeInMillis();
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}
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/*
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* ProcessInputEvents --
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* Retrieve all waiting input events and pass them to DIX in their
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* correct chronological order. Only reads from the system pointer
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* and keyboard.
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*/
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void
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ProcessInputEvents (void)
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{
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int x, y;
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mieqProcessInputEvents();
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/* FIXME: This is a problem if we have multiple pointers */
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miPointerGetPosition(inputInfo.pointer, &x, &y);
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xf86SetViewport(xf86Info.currentScreen, x, y);
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}
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/*
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* Handle keyboard events that cause some kind of "action"
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* (i.e., server termination, video mode changes, VT switches, etc.)
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*/
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void
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xf86ProcessActionEvent(ActionEvent action, void *arg)
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{
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DebugF("ProcessActionEvent(%d,%x)\n", (int) action, arg);
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switch (action) {
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case ACTION_TERMINATE:
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if (!xf86Info.dontZap) {
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#ifdef XFreeXDGA
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DGAShutdown();
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#endif
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GiveUp(0);
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}
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break;
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case ACTION_NEXT_MODE:
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if (!xf86Info.dontZoom)
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xf86ZoomViewport(xf86Info.currentScreen, 1);
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break;
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case ACTION_PREV_MODE:
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if (!xf86Info.dontZoom)
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xf86ZoomViewport(xf86Info.currentScreen, -1);
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break;
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case ACTION_SWITCHSCREEN:
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if (VTSwitchEnabled && !xf86Info.dontVTSwitch && arg) {
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int vtno = *((int *) arg);
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if (vtno != xf86Info.vtno) {
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if (!xf86VTActivate(vtno)) {
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ErrorF("Failed to switch from vt%02d to vt%02d: %s\n",
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xf86Info.vtno, vtno, strerror(errno));
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}
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}
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}
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break;
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case ACTION_SWITCHSCREEN_NEXT:
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if (VTSwitchEnabled && !xf86Info.dontVTSwitch) {
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if (!xf86VTActivate(xf86Info.vtno + 1)) {
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/* If first try failed, assume this is the last VT and
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* try wrapping around to the first vt.
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*/
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if (!xf86VTActivate(1)) {
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ErrorF("Failed to switch from vt%02d to next vt: %s\n",
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xf86Info.vtno, strerror(errno));
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}
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}
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}
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break;
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case ACTION_SWITCHSCREEN_PREV:
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if (VTSwitchEnabled && !xf86Info.dontVTSwitch && xf86Info.vtno > 0) {
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if (!xf86VTActivate(xf86Info.vtno - 1)) {
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/* Don't know what the maximum VT is, so can't wrap around */
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ErrorF("Failed to switch from vt%02d to previous vt: %s\n",
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xf86Info.vtno, strerror(errno));
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}
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}
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break;
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default:
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break;
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}
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}
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/*
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* xf86Wakeup --
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* Os wakeup handler.
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*/
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/* ARGSUSED */
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void
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xf86Wakeup(pointer blockData, int err, pointer pReadmask)
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{
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fd_set* LastSelectMask = (fd_set*)pReadmask;
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fd_set devicesWithInput;
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InputInfoPtr pInfo;
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if (err >= 0) {
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XFD_ANDSET(&devicesWithInput, LastSelectMask, &EnabledDevices);
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if (XFD_ANYSET(&devicesWithInput)) {
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pInfo = xf86InputDevs;
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while (pInfo) {
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if (pInfo->read_input && pInfo->fd >= 0 &&
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(FD_ISSET(pInfo->fd, &devicesWithInput) != 0)) {
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int sigstate = xf86BlockSIGIO();
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/*
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* Remove the descriptior from the set because more than one
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* device may share the same file descriptor.
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*/
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FD_CLR(pInfo->fd, &devicesWithInput);
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pInfo->read_input(pInfo);
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xf86UnblockSIGIO(sigstate);
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}
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pInfo = pInfo->next;
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}
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}
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}
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if (err >= 0) { /* we don't want the handlers called if select() */
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IHPtr ih; /* returned with an error condition, do we? */
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for (ih = InputHandlers; ih; ih = ih->next) {
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if (ih->enabled && ih->fd >= 0 && ih->ihproc &&
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(FD_ISSET(ih->fd, ((fd_set *)pReadmask)) != 0)) {
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ih->ihproc(ih->fd, ih->data);
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}
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}
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}
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if (xf86VTSwitchPending()) xf86VTSwitch();
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}
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/*
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* xf86SigioReadInput --
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* signal handler for the SIGIO signal.
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*/
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static void
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xf86SigioReadInput(int fd, void *closure)
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{
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int errno_save = errno;
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InputInfoPtr pInfo = closure;
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pInfo->read_input(pInfo);
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errno = errno_save;
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}
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/*
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* xf86AddEnabledDevice --
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*
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*/
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void
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xf86AddEnabledDevice(InputInfoPtr pInfo)
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{
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if (!xf86InstallSIGIOHandler (pInfo->fd, xf86SigioReadInput, pInfo)) {
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AddEnabledDevice(pInfo->fd);
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}
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}
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/*
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* xf86RemoveEnabledDevice --
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*
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*/
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void
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xf86RemoveEnabledDevice(InputInfoPtr pInfo)
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{
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if (!xf86RemoveSIGIOHandler (pInfo->fd)) {
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RemoveEnabledDevice(pInfo->fd);
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}
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}
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static int *xf86SignalIntercept = NULL;
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void
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xf86InterceptSignals(int *signo)
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{
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if ((xf86SignalIntercept = signo))
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*signo = -1;
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}
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static void (*xf86SigIllHandler)(void) = NULL;
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void
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xf86InterceptSigIll(void (*sigillhandler)(void))
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{
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xf86SigIllHandler = sigillhandler;
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}
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/*
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* xf86SigWrapper --
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* Catch unexpected signals and exit or continue cleanly.
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*/
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int
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xf86SigWrapper(int signo)
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{
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if ((signo == SIGILL) && xf86SigIllHandler) {
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(*xf86SigIllHandler)();
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return 0; /* continue */
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}
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if (xf86SignalIntercept && (*xf86SignalIntercept < 0)) {
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*xf86SignalIntercept = signo;
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return 0; /* continue */
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}
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xf86Info.caughtSignal = TRUE;
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return 1; /* abort */
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}
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/*
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* xf86PrintBacktrace --
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* Print a stack backtrace for debugging purposes.
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*/
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void
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xf86PrintBacktrace(void)
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{
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xorg_backtrace();
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}
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static void
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xf86ReleaseKeys(DeviceIntPtr pDev)
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{
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KeyClassPtr keyc;
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int i, sigstate;
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if (!pDev || !pDev->key)
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return;
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keyc = pDev->key;
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/*
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* Hmm... here is the biggest hack of every time !
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* It may be possible that a switch-vt procedure has finished BEFORE
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* you released all keys neccessary to do this. That peculiar behavior
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* can fool the X-server pretty much, cause it assumes that some keys
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* were not released. TWM may stuck alsmost completly....
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* OK, what we are doing here is after returning from the vt-switch
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* exeplicitely unrelease all keyboard keys before the input-devices
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* are reenabled.
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*/
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for (i = keyc->xkbInfo->desc->min_key_code;
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i < keyc->xkbInfo->desc->max_key_code;
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i++) {
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if (key_is_down(pDev, i, KEY_POSTED)) {
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sigstate = xf86BlockSIGIO ();
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QueueKeyboardEvents(pDev, KeyRelease, i, NULL);
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xf86UnblockSIGIO(sigstate);
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}
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}
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}
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/*
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* xf86VTSwitch --
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* Handle requests for switching the vt.
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*/
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static void
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xf86VTSwitch(void)
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{
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int i;
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static int prevSIGIO;
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InputInfoPtr pInfo;
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IHPtr ih;
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DebugF("xf86VTSwitch()\n");
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#ifdef XFreeXDGA
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if(!DGAVTSwitch())
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return;
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#endif
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/*
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* Since all screens are currently all in the same state it is sufficient
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* check the first. This might change in future.
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*/
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if (xf86Screens[0]->vtSema) {
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DebugF("xf86VTSwitch: Leaving, xf86Exiting is %s\n",
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BOOLTOSTRING((dispatchException & DE_TERMINATE) ? TRUE : FALSE));
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#ifdef DPMSExtension
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if (DPMSPowerLevel != DPMSModeOn)
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DPMSSet(serverClient, DPMSModeOn);
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#endif
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for (i = 0; i < xf86NumScreens; i++) {
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if (!(dispatchException & DE_TERMINATE))
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if (xf86Screens[i]->EnableDisableFBAccess)
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(*xf86Screens[i]->EnableDisableFBAccess) (i, FALSE);
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}
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/*
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* Keep the order: Disable Device > LeaveVT
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* EnterVT > EnableDevice
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*/
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for (ih = InputHandlers; ih; ih = ih->next)
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xf86DisableInputHandler(ih);
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for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next) {
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if (pInfo->dev) {
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xf86ReleaseKeys(pInfo->dev);
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ProcessInputEvents();
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DisableDevice(pInfo->dev, TRUE);
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}
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}
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prevSIGIO = xf86BlockSIGIO();
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for (i = 0; i < xf86NumScreens; i++)
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xf86Screens[i]->LeaveVT(i, 0);
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xf86AccessLeave(); /* We need this here, otherwise */
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if (!xf86VTSwitchAway()) {
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/*
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* switch failed
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*/
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DebugF("xf86VTSwitch: Leave failed\n");
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xf86AccessEnter();
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for (i = 0; i < xf86NumScreens; i++) {
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if (!xf86Screens[i]->EnterVT(i, 0))
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FatalError("EnterVT failed for screen %d\n", i);
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}
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if (!(dispatchException & DE_TERMINATE)) {
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for (i = 0; i < xf86NumScreens; i++) {
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if (xf86Screens[i]->EnableDisableFBAccess)
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(*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE);
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}
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}
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dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
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pInfo = xf86InputDevs;
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while (pInfo) {
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if (pInfo->dev)
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EnableDevice(pInfo->dev, TRUE);
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pInfo = pInfo->next;
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}
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for (ih = InputHandlers; ih; ih = ih->next)
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xf86EnableInputHandler(ih);
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xf86UnblockSIGIO(prevSIGIO);
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} else {
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#ifdef XF86PM
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if (xf86OSPMClose)
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xf86OSPMClose();
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xf86OSPMClose = NULL;
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#endif
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for (i = 0; i < xf86NumScreens; i++) {
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/*
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* zero all access functions to
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* trap calls when switched away.
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*/
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xf86Screens[i]->vtSema = FALSE;
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}
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if (xorgHWAccess)
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xf86DisableIO();
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}
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} else {
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DebugF("xf86VTSwitch: Entering\n");
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if (!xf86VTSwitchTo()) return;
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#ifdef XF86PM
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xf86OSPMClose = xf86OSPMOpen();
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#endif
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if (xorgHWAccess)
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xf86EnableIO();
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xf86AccessEnter();
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for (i = 0; i < xf86NumScreens; i++) {
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xf86Screens[i]->vtSema = TRUE;
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if (!xf86Screens[i]->EnterVT(i, 0))
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FatalError("EnterVT failed for screen %d\n", i);
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}
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for (i = 0; i < xf86NumScreens; i++) {
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if (xf86Screens[i]->EnableDisableFBAccess)
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(*xf86Screens[i]->EnableDisableFBAccess)(i, TRUE);
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}
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/* Turn screen saver off when switching back */
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dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
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pInfo = xf86InputDevs;
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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);
|
|
}
|