729 lines
18 KiB
C
729 lines
18 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 <errno.h>
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <X11/Xatom.h>
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#include "dix/dix_priv.h"
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#include "misc.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86_os_support.h"
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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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#include "dgaproc_priv.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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#include "xf86platformBus.h"
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#include "systemd-logind.h"
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extern void (*xf86OSPMClose) (void);
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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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void *data;
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Bool enabled;
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Bool is_input;
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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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/*
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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,%p)\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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xf86Msg(X_INFO, "Server zapped. Shutting down.\n");
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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 (!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 (!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 (!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(void *blockData, int err)
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{
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if (xf86VTSwitchPending())
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xf86VTSwitch();
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}
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/*
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* xf86ReadInput --
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* input thread handler
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*/
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static void
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xf86ReadInput(int fd, int ready, void *closure)
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{
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InputInfoPtr pInfo = closure;
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pInfo->read_input(pInfo);
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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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InputThreadRegisterDev(pInfo->fd, xf86ReadInput, pInfo);
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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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InputThreadUnregisterDev(pInfo->fd);
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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;
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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 necessary 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 almost completely....
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* OK, what we are doing here is after returning from the vt-switch
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* explicitly unrelease all keyboard keys before the input-devices
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* are re-enabled.
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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; i++) {
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if (key_is_down(pDev, i, KEY_POSTED)) {
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input_lock();
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QueueKeyboardEvents(pDev, KeyRelease, i);
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input_unlock();
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}
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}
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}
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void
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xf86DisableInputDeviceForVTSwitch(InputInfoPtr pInfo)
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{
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if (!pInfo->dev)
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return;
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if (!pInfo->dev->enabled)
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pInfo->flags |= XI86_DEVICE_DISABLED;
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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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void
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xf86EnableInputDeviceForVTSwitch(InputInfoPtr pInfo)
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{
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if (pInfo->dev && (pInfo->flags & XI86_DEVICE_DISABLED) == 0)
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EnableDevice(pInfo->dev, TRUE);
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pInfo->flags &= ~XI86_DEVICE_DISABLED;
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}
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/*
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* xf86UpdateHasVTProperty --
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* Update a flag property on the root window to say whether the server VT
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* is currently the active one as some clients need to know this.
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*/
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static void
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xf86UpdateHasVTProperty(Bool hasVT)
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{
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Atom property_name;
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int32_t value = hasVT ? 1 : 0;
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int i;
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property_name = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1,
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FALSE);
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if (property_name == BAD_RESOURCE)
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FatalError("Failed to retrieve \"HAS_VT\" atom\n");
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for (i = 0; i < xf86NumScreens; i++) {
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dixChangeWindowProperty(serverClient,
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xf86ScrnToScreen(xf86Screens[i])->root,
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property_name, XA_INTEGER, 32,
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PropModeReplace, 1, &value, TRUE);
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}
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}
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void
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xf86VTLeave(void)
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{
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int i;
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InputInfoPtr pInfo;
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IHPtr ih;
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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) (xf86Screens[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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if (ih->is_input)
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xf86DisableInputHandler(ih);
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else
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xf86DisableGeneralHandler(ih);
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}
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for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next)
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xf86DisableInputDeviceForVTSwitch(pInfo);
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input_lock();
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for (i = 0; i < xf86NumScreens; i++)
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xf86Screens[i]->LeaveVT(xf86Screens[i]);
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for (i = 0; i < xf86NumGPUScreens; i++)
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xf86GPUScreens[i]->LeaveVT(xf86GPUScreens[i]);
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if (systemd_logind_controls_session()) {
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systemd_logind_drop_master();
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}
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if (!xf86VTSwitchAway())
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goto switch_failed;
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if (xf86OSPMClose)
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xf86OSPMClose();
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xf86OSPMClose = NULL;
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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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xf86UpdateHasVTProperty(FALSE);
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return;
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switch_failed:
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DebugF("xf86VTSwitch: Leave failed\n");
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for (i = 0; i < xf86NumScreens; i++) {
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if (!xf86Screens[i]->EnterVT(xf86Screens[i]))
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FatalError("EnterVT failed for screen %d\n", i);
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}
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for (i = 0; i < xf86NumGPUScreens; i++) {
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if (!xf86GPUScreens[i]->EnterVT(xf86GPUScreens[i]))
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FatalError("EnterVT failed for gpu 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) (xf86Screens[i], TRUE);
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}
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}
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dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
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for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next)
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xf86EnableInputDeviceForVTSwitch(pInfo);
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for (ih = InputHandlers; ih; ih = ih->next) {
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if (ih->is_input)
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xf86EnableInputHandler(ih);
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else
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xf86EnableGeneralHandler(ih);
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}
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input_unlock();
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}
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void
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xf86VTEnter(void)
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{
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int i;
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InputInfoPtr pInfo;
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IHPtr ih;
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DebugF("xf86VTSwitch: Entering\n");
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if (!xf86VTSwitchTo())
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return;
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xf86OSPMClose = xf86OSPMOpen();
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if (xorgHWAccess)
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xf86EnableIO();
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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(xf86Screens[i]))
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FatalError("EnterVT failed for screen %d\n", i);
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}
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for (i = 0; i < xf86NumGPUScreens; i++) {
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xf86GPUScreens[i]->vtSema = TRUE;
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if (!xf86GPUScreens[i]->EnterVT(xf86GPUScreens[i]))
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FatalError("EnterVT failed for gpu 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) (xf86Screens[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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for (pInfo = xf86InputDevs; pInfo; pInfo = pInfo->next) {
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/* Devices with server managed fds get enabled on logind resume */
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if (!(pInfo->flags & XI86_SERVER_FD))
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xf86EnableInputDeviceForVTSwitch(pInfo);
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}
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for (ih = InputHandlers; ih; ih = ih->next) {
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if (ih->is_input)
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xf86EnableInputHandler(ih);
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else
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xf86EnableGeneralHandler(ih);
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}
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#ifdef XSERVER_PLATFORM_BUS
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/* check for any new output devices */
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xf86platformVTProbe();
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#endif
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xf86UpdateHasVTProperty(TRUE);
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input_unlock();
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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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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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* VTLeave is always handled here (VT_PROCESS guarantees this is safe),
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* if we use systemd_logind xf86VTEnter() gets called by systemd-logind.c
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* once it has resumed all drm nodes.
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*/
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if (xf86VTOwner())
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xf86VTLeave();
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else if (!systemd_logind_controls_session())
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xf86VTEnter();
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}
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/* Input handler registration */
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static void
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xf86InputHandlerNotify(int fd, int ready, void *data)
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{
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IHPtr ih = data;
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if (ih->enabled && ih->fd >= 0 && ih->ihproc) {
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|
ih->ihproc(ih->fd, ih->data);
|
|
}
|
|
}
|
|
|
|
static void *
|
|
addInputHandler(int fd, InputHandlerProc proc, void *data)
|
|
{
|
|
IHPtr ih;
|
|
|
|
if (fd < 0 || !proc)
|
|
return NULL;
|
|
|
|
ih = calloc(1, sizeof(*ih));
|
|
if (!ih)
|
|
return NULL;
|
|
|
|
ih->fd = fd;
|
|
ih->ihproc = proc;
|
|
ih->data = data;
|
|
ih->enabled = TRUE;
|
|
|
|
if (!SetNotifyFd(fd, xf86InputHandlerNotify, X_NOTIFY_READ, ih)) {
|
|
free(ih);
|
|
return NULL;
|
|
}
|
|
|
|
ih->next = InputHandlers;
|
|
InputHandlers = ih;
|
|
|
|
return ih;
|
|
}
|
|
|
|
void *
|
|
xf86AddInputHandler(int fd, InputHandlerProc proc, void *data)
|
|
{
|
|
IHPtr ih = addInputHandler(fd, proc, data);
|
|
|
|
if (ih)
|
|
ih->is_input = TRUE;
|
|
return ih;
|
|
}
|
|
|
|
void *
|
|
xf86AddGeneralHandler(int fd, InputHandlerProc proc, void *data)
|
|
{
|
|
IHPtr ih = addInputHandler(fd, proc, data);
|
|
|
|
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, void *data)
|
|
{
|
|
static IHPtr handler = NULL;
|
|
InputHandlerProc old_proc = NULL;
|
|
|
|
if (handler) {
|
|
old_proc = handler->ihproc;
|
|
xf86RemoveGeneralHandler(handler);
|
|
}
|
|
|
|
handler = xf86AddGeneralHandler(xf86Info.consoleFd, proc, data);
|
|
|
|
return old_proc;
|
|
}
|
|
|
|
static void
|
|
removeInputHandler(IHPtr ih)
|
|
{
|
|
IHPtr p;
|
|
|
|
if (ih->fd >= 0)
|
|
RemoveNotifyFd(ih->fd);
|
|
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(void *handler)
|
|
{
|
|
IHPtr ih;
|
|
int fd;
|
|
|
|
if (!handler)
|
|
return -1;
|
|
|
|
ih = handler;
|
|
fd = ih->fd;
|
|
|
|
removeInputHandler(ih);
|
|
|
|
return fd;
|
|
}
|
|
|
|
int
|
|
xf86RemoveGeneralHandler(void *handler)
|
|
{
|
|
IHPtr ih;
|
|
int fd;
|
|
|
|
if (!handler)
|
|
return -1;
|
|
|
|
ih = handler;
|
|
fd = ih->fd;
|
|
|
|
removeInputHandler(ih);
|
|
|
|
return fd;
|
|
}
|
|
|
|
void
|
|
xf86DisableInputHandler(void *handler)
|
|
{
|
|
IHPtr ih;
|
|
|
|
if (!handler)
|
|
return;
|
|
|
|
ih = handler;
|
|
ih->enabled = FALSE;
|
|
if (ih->fd >= 0)
|
|
RemoveNotifyFd(ih->fd);
|
|
}
|
|
|
|
void
|
|
xf86DisableGeneralHandler(void *handler)
|
|
{
|
|
IHPtr ih;
|
|
|
|
if (!handler)
|
|
return;
|
|
|
|
ih = handler;
|
|
ih->enabled = FALSE;
|
|
if (ih->fd >= 0)
|
|
RemoveNotifyFd(ih->fd);
|
|
}
|
|
|
|
void
|
|
xf86EnableInputHandler(void *handler)
|
|
{
|
|
IHPtr ih;
|
|
|
|
if (!handler)
|
|
return;
|
|
|
|
ih = handler;
|
|
ih->enabled = TRUE;
|
|
if (ih->fd >= 0)
|
|
SetNotifyFd(ih->fd, xf86InputHandlerNotify, X_NOTIFY_READ, ih);
|
|
}
|
|
|
|
void
|
|
xf86EnableGeneralHandler(void *handler)
|
|
{
|
|
IHPtr ih;
|
|
|
|
if (!handler)
|
|
return;
|
|
|
|
ih = handler;
|
|
ih->enabled = TRUE;
|
|
if (ih->fd >= 0)
|
|
SetNotifyFd(ih->fd, xf86InputHandlerNotify, X_NOTIFY_READ, ih);
|
|
}
|
|
|
|
void
|
|
DDXRingBell(int volume, int pitch, int duration)
|
|
{
|
|
xf86OSRingBell(volume, pitch, duration);
|
|
}
|
|
|
|
Bool
|
|
xf86VTOwner(void)
|
|
{
|
|
/* at system startup xf86Screens[0] won't be set - but we will own the VT */
|
|
if (xf86NumScreens == 0)
|
|
return TRUE;
|
|
return xf86Screens[0]->vtSema;
|
|
}
|