4017d31902
over to new system. Need to update documentation and address some remaining vestiges of old system such as CursorRec structure, fb "offman" structure, and FontRec privates.
700 lines
19 KiB
C
700 lines
19 KiB
C
/************************************************************
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Copyright 2003-2005 Sun Microsystems, Inc.
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All rights reserved.
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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
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, and/or sell copies of the Software, and to permit persons
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to whom the Software is furnished to do so, provided that the above
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copyright notice(s) and this permission notice appear in all copies of
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the Software and that both the above copyright notice(s) and this
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permission notice appear in supporting documentation.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
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OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
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INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
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FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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Except as contained in this notice, the name of a copyright holder
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shall not be used in advertising or otherwise to promote the sale, use
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or other dealings in this Software without prior written authorization
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of the copyright holder.
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************************************************************/
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#define NEED_REPLIES
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#define NEED_EVENTS
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include "misc.h"
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#include "dixstruct.h"
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#include "extnsionst.h"
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#include "colormapst.h"
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#include "scrnintstr.h"
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#include "servermd.h"
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#define _XEVIE_SERVER_
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#include <X11/extensions/Xeviestr.h>
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#include <X11/Xfuncproto.h>
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#include "input.h"
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#include "inputstr.h"
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#include "windowstr.h"
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#include "cursorstr.h"
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#include <xkbsrv.h>
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#include "../os/osdep.h"
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#define NoSuchEvent 0x80000000
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#ifdef XKB
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extern Bool noXkbExtension;
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#endif
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extern int xeviegrabState;
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static int ProcDispatch (register ClientPtr client), SProcDispatch (register ClientPtr client);
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static void ResetProc (ExtensionEntry *extEntry);
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static unsigned char ReqCode = 0;
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static int ErrorBase;
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int xevieFlag = 0;
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int xevieClientIndex = 0;
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DeviceIntPtr xeviekb = NULL;
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DeviceIntPtr xeviemouse = NULL;
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Mask xevieMask = 0;
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int xevieEventSent = 0;
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int xevieKBEventSent = 0;
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static DevPrivateKey xevieDevicePrivateKey = &xevieDevicePrivateKey;
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static Bool xevieModifiersOn = FALSE;
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#define XEVIEINFO(dev) ((xevieDeviceInfoPtr) \
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dixLookupPrivate(&(dev)->devPrivates, xevieDevicePrivateKey))
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Mask xevieFilters[128] =
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{
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NoSuchEvent, /* 0 */
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NoSuchEvent, /* 1 */
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KeyPressMask, /* KeyPress */
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KeyReleaseMask, /* KeyRelease */
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ButtonPressMask, /* ButtonPress */
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ButtonReleaseMask, /* ButtonRelease */
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PointerMotionMask /* MotionNotify (initial state) */
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};
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typedef struct {
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ProcessInputProc processInputProc;
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ProcessInputProc realInputProc;
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DeviceUnwrapProc unwrapProc;
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} xevieDeviceInfoRec, *xevieDeviceInfoPtr;
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typedef struct {
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CARD32 time;
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KeyClassPtr keyc;
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} xevieKeycQueueRec, *xevieKeycQueuePtr;
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#define KEYC_QUEUE_SIZE 100
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static xevieKeycQueueRec keycq[KEYC_QUEUE_SIZE] = {{0, NULL}};
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static int keycqHead = 0, keycqTail = 0;
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static int ProcDispatch (ClientPtr), SProcDispatch (ClientPtr);
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static void ResetProc (ExtensionEntry*);
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static int ErrorBase;
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static Bool XevieStart(void);
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static void XevieEnd(int clientIndex);
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static void XevieClientStateCallback(CallbackListPtr *pcbl, pointer nulldata,
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pointer calldata);
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static void XevieServerGrabStateCallback(CallbackListPtr *pcbl,
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pointer nulldata,
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pointer calldata);
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static Bool XevieAdd(DeviceIntPtr device, pointer data);
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static void XevieWrap(DeviceIntPtr device, ProcessInputProc proc);
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static Bool XevieRemove(DeviceIntPtr device, pointer data);
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static void doSendEvent(xEvent *xE, DeviceIntPtr device);
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static void XeviePointerProcessInputProc(xEvent *xE, DeviceIntPtr dev,
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int count);
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static void XevieKbdProcessInputProc(xEvent *xE, DeviceIntPtr dev, int count);
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void
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XevieExtensionInit (void)
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{
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ExtensionEntry* extEntry;
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if (!AddCallback(&ServerGrabCallback,XevieServerGrabStateCallback,NULL))
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return;
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if ((extEntry = AddExtension (XEVIENAME,
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0,
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XevieNumberErrors,
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ProcDispatch,
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SProcDispatch,
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ResetProc,
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StandardMinorOpcode))) {
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ReqCode = (unsigned char)extEntry->base;
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ErrorBase = extEntry->errorBase;
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}
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/* PC servers initialize the desktop colors (citems) here! */
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}
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/*ARGSUSED*/
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static
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void ResetProc (ExtensionEntry *extEntry)
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{
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}
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static
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int ProcQueryVersion (register ClientPtr client)
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{
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xXevieQueryVersionReply rep;
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REQUEST_SIZE_MATCH (xXevieQueryVersionReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequence_number = client->sequence;
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rep.server_major_version = XEVIE_MAJOR_VERSION;
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rep.server_minor_version = XEVIE_MINOR_VERSION;
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WriteToClient (client, sizeof (xXevieQueryVersionReply), (char *)&rep);
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return client->noClientException;
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}
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static
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int ProcStart (register ClientPtr client)
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{
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xXevieStartReply rep;
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REQUEST_SIZE_MATCH (xXevieStartReq);
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rep.pad1 = 0;
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if(!xevieFlag){
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if (AddCallback(&ClientStateCallback,XevieClientStateCallback,NULL)) {
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xevieFlag = 1;
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rep.pad1 = 1;
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xevieClientIndex = client->index;
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if(!keycq[0].time ) {
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int i;
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for(i=0; i<KEYC_QUEUE_SIZE; i++) {
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keycq[i].keyc = xalloc(sizeof(KeyClassRec));
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keycq[i].keyc->xkbInfo = xalloc(sizeof(XkbSrvInfoRec));
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}
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}
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} else
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return BadAlloc;
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} else
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return BadAccess;
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#ifdef XKB
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if (!noXkbExtension) {
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if (!XevieStart()) {
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DeleteCallback(&ClientStateCallback,XevieClientStateCallback,NULL);
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return BadAlloc;
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}
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}
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#endif
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xevieModifiersOn = FALSE;
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rep.type = X_Reply;
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rep.sequence_number = client->sequence;
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WriteToClient (client, sizeof (xXevieStartReply), (char *)&rep);
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return client->noClientException;
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}
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static
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int ProcEnd (register ClientPtr client)
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{
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xXevieEndReply rep;
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if (xevieFlag) {
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if (client->index != xevieClientIndex)
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return BadAccess;
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DeleteCallback(&ClientStateCallback,XevieClientStateCallback,NULL);
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XevieEnd(xevieClientIndex);
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}
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rep.type = X_Reply;
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rep.sequence_number = client->sequence;
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WriteToClient (client, sizeof (xXevieEndReply), (char *)&rep);
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return client->noClientException;
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}
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static
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int ProcSend (register ClientPtr client)
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{
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REQUEST (xXevieSendReq);
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xXevieSendReply rep;
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xEvent *xE;
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static unsigned char lastDetail = 0, lastType = 0;
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if (client->index != xevieClientIndex)
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return BadAccess;
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xE = (xEvent *)&stuff->event;
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rep.type = X_Reply;
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rep.sequence_number = client->sequence;
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WriteToClient (client, sizeof (xXevieSendReply), (char *)&rep);
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switch(xE->u.u.type) {
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case KeyPress:
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case KeyRelease:
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xevieKBEventSent = 1;
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#ifdef XKB
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if(!noXkbExtension)
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doSendEvent(xE, inputInfo.keyboard);
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else
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#endif
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CoreProcessKeyboardEvent (xE, xeviekb, 1);
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break;
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case ButtonPress:
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case ButtonRelease:
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case MotionNotify:
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xevieEventSent = 1;
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#ifdef XKB
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if(!noXkbExtension)
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doSendEvent(xE, inputInfo.pointer);
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else
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#endif
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CoreProcessPointerEvent(xE, xeviemouse, 1);
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break;
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default:
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break;
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}
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lastType = xE->u.u.type;
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lastDetail = xE->u.u.detail;
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return client->noClientException;
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}
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static
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int ProcSelectInput (register ClientPtr client)
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{
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REQUEST (xXevieSelectInputReq);
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xXevieSelectInputReply rep;
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if (client->index != xevieClientIndex)
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return BadAccess;
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xevieMask = (long)stuff->event_mask;
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rep.type = X_Reply;
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rep.sequence_number = client->sequence;
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WriteToClient (client, sizeof (xXevieSelectInputReply), (char *)&rep);
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return client->noClientException;
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}
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static
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int ProcDispatch (register ClientPtr client)
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{
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REQUEST (xReq);
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switch (stuff->data)
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{
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case X_XevieQueryVersion:
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return ProcQueryVersion (client);
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case X_XevieStart:
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return ProcStart (client);
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case X_XevieEnd:
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return ProcEnd (client);
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case X_XevieSend:
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return ProcSend (client);
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case X_XevieSelectInput:
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return ProcSelectInput(client);
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default:
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return BadRequest;
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}
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}
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static
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int SProcQueryVersion (register ClientPtr client)
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{
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register int n;
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REQUEST(xXevieQueryVersionReq);
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swaps(&stuff->length, n);
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return ProcQueryVersion(client);
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}
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static
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int SProcStart (ClientPtr client)
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{
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register int n;
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REQUEST (xXevieStartReq);
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swaps (&stuff->length, n);
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swapl (&stuff->screen, n);
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REQUEST_AT_LEAST_SIZE (xXevieStartReq);
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return ProcStart (client);
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}
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static
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int SProcEnd (ClientPtr client)
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{
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register int n;
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REQUEST (xXevieEndReq);
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swaps (&stuff->length, n);
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REQUEST_AT_LEAST_SIZE (xXevieEndReq);
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swapl(&stuff->cmap, n);
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return ProcEnd (client);
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}
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static
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int SProcSend (ClientPtr client)
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{
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register int n;
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REQUEST (xXevieSendReq);
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swaps (&stuff->length, n);
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REQUEST_AT_LEAST_SIZE (xXevieSendReq);
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swapl(&stuff->event, n);
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return ProcSend (client);
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}
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static
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int SProcSelectInput (ClientPtr client)
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{
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register int n;
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REQUEST (xXevieSelectInputReq);
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swaps (&stuff->length, n);
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REQUEST_AT_LEAST_SIZE (xXevieSendReq);
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swapl(&stuff->event_mask, n);
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return ProcSelectInput (client);
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}
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static
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int SProcDispatch (register ClientPtr client)
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{
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REQUEST(xReq);
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switch (stuff->data)
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{
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case X_XevieQueryVersion:
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return SProcQueryVersion (client);
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case X_XevieStart:
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return SProcStart (client);
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case X_XevieEnd:
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return SProcEnd (client);
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case X_XevieSend:
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return SProcSend (client);
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case X_XevieSelectInput:
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return SProcSelectInput(client);
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default:
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return BadRequest;
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}
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}
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/*======================================================*/
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#define WRAP_INPUTPROC(dev,store,inputProc) \
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store->processInputProc = dev->public.processInputProc; \
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dev->public.processInputProc = inputProc; \
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store->realInputProc = dev->public.realInputProc; \
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dev->public.realInputProc = inputProc;
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#define COND_WRAP_INPUTPROC(dev,store,inputProc) \
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if (dev->public.processInputProc == dev->public.realInputProc) \
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dev->public.processInputProc = inputProc; \
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store->processInputProc = \
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store->realInputProc = dev->public.realInputProc; \
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dev->public.realInputProc = inputProc;
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#define UNWRAP_INPUTPROC(dev,restore) \
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dev->public.processInputProc = restore->processInputProc; \
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dev->public.realInputProc = restore->realInputProc;
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#define UNWRAP_INPUTPROC(dev,restore) \
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dev->public.processInputProc = restore->processInputProc; \
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dev->public.realInputProc = restore->realInputProc;
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#define XEVIE_EVENT(xE) \
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(xevieFlag \
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&& !xeviegrabState \
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&& clients[xevieClientIndex] \
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&& (xevieMask & xevieFilters[xE->u.u.type]))
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static void
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sendEvent(ClientPtr pClient, xEvent *xE)
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{
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if(pClient->swapped) {
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xEvent eventTo;
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/* Remember to strip off the leading bit of type in case
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this event was sent with "SendEvent." */
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(*EventSwapVector[xE->u.u.type & 0177]) (xE, &eventTo);
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(void)WriteToClient(pClient, sizeof(xEvent), (char *)&eventTo);
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} else {
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(void)WriteToClient(pClient, sizeof(xEvent), (char *) xE);
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}
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}
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static void
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XevieKbdProcessInputProc(xEvent *xE, DeviceIntPtr dev, int count)
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{
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int key, bit;
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BYTE *kptr;
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ProcessInputProc tmp;
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KeyClassPtr keyc = dev->key;
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xevieDeviceInfoPtr xeviep = XEVIEINFO(dev);
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if(XEVIE_EVENT(xE)) {
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key = xE->u.u.detail;
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kptr = &keyc->down[key >> 3];
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bit = 1 << (key & 7);
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if (dev->key->modifierMap[xE->u.u.detail])
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xevieModifiersOn = TRUE;
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xE->u.keyButtonPointer.event = xeviewin->drawable.id;
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xE->u.keyButtonPointer.root = GetCurrentRootWindow()->drawable.id;
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xE->u.keyButtonPointer.child = (xeviewin->firstChild)
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? xeviewin->firstChild->drawable.id:0;
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xE->u.keyButtonPointer.rootX = xeviehot.x;
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xE->u.keyButtonPointer.rootY = xeviehot.y;
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xE->u.keyButtonPointer.state = keyc->state | inputInfo.pointer->button->state;
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/* fix bug: sequence lost in Xlib */
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xE->u.u.sequenceNumber = clients[xevieClientIndex]->sequence;
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#ifdef XKB
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/* fix for bug5092586 */
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if(!noXkbExtension) {
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switch(xE->u.u.type) {
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case KeyPress: *kptr |= bit; break;
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case KeyRelease: *kptr &= ~bit; break;
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}
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}
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#endif
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keycq[keycqHead].time = xE->u.keyButtonPointer.time;
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memcpy(keycq[keycqHead].keyc, keyc, sizeof(KeyClassRec) - sizeof(KeyClassPtr));
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memcpy(keycq[keycqHead].keyc->xkbInfo, keyc->xkbInfo, sizeof(XkbSrvInfoRec));
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if(++keycqHead >=KEYC_QUEUE_SIZE)
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keycqHead = 0;
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sendEvent(clients[xevieClientIndex], xE);
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return;
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}
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tmp = dev->public.realInputProc;
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UNWRAP_INPUTPROC(dev,xeviep);
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dev->public.processInputProc(xE,dev,count);
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COND_WRAP_INPUTPROC(dev,xeviep,tmp);
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}
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static void
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XeviePointerProcessInputProc(xEvent *xE, DeviceIntPtr dev, int count)
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{
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xevieDeviceInfoPtr xeviep = XEVIEINFO(dev);
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ProcessInputProc tmp;
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if (XEVIE_EVENT(xE)) {
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/* fix bug: sequence lost in Xlib */
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xE->u.u.sequenceNumber = clients[xevieClientIndex]->sequence;
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sendEvent(clients[xevieClientIndex], xE);
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return;
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}
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tmp = dev->public.realInputProc;
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UNWRAP_INPUTPROC(dev,xeviep);
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dev->public.processInputProc(xE,dev,count);
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COND_WRAP_INPUTPROC(dev,xeviep,tmp);
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}
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static Bool
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XevieStart(void)
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{
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ProcessInputProc prp;
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prp = XevieKbdProcessInputProc;
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if (!XevieAdd(inputInfo.keyboard,&prp))
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return FALSE;
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prp = XeviePointerProcessInputProc;
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if (!XevieAdd(inputInfo.pointer,&prp))
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return FALSE;
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return TRUE;
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}
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static void
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XevieEnd(int clientIndex)
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{
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if (!clientIndex || clientIndex == xevieClientIndex) {
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#ifdef XKB
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if(!noXkbExtension) {
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XevieRemove(inputInfo.keyboard,NULL);
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inputInfo.keyboard->public.processInputProc = CoreProcessKeyboardEvent;
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inputInfo.keyboard->public.realInputProc = CoreProcessKeyboardEvent;
|
|
XkbSetExtension(inputInfo.keyboard,ProcessKeyboardEvent);
|
|
|
|
|
|
XevieRemove(inputInfo.pointer,NULL);
|
|
|
|
inputInfo.pointer->public.processInputProc = CoreProcessPointerEvent;
|
|
inputInfo.pointer->public.realInputProc = CoreProcessPointerEvent;
|
|
XkbSetExtension(inputInfo.pointer,ProcessPointerEvent);
|
|
}
|
|
#endif
|
|
|
|
xevieFlag = 0;
|
|
xevieClientIndex = 0;
|
|
DeleteCallback (&ClientStateCallback, XevieClientStateCallback, NULL);
|
|
}
|
|
}
|
|
|
|
static void
|
|
XevieClientStateCallback(CallbackListPtr *pcbl, pointer nulldata,
|
|
pointer calldata)
|
|
{
|
|
NewClientInfoRec *pci = (NewClientInfoRec *)calldata;
|
|
ClientPtr client = pci->client;
|
|
if (client->clientState == ClientStateGone
|
|
|| client->clientState == ClientStateRetained)
|
|
XevieEnd(client->index);
|
|
}
|
|
|
|
static void
|
|
XevieServerGrabStateCallback(CallbackListPtr *pcbl, pointer nulldata,
|
|
pointer calldata)
|
|
{
|
|
ServerGrabInfoRec *grbinfo = (ServerGrabInfoRec *)calldata;
|
|
if (grbinfo->grabstate == SERVER_GRABBED)
|
|
xeviegrabState = TRUE;
|
|
else
|
|
xeviegrabState = FALSE;
|
|
}
|
|
|
|
#define UNWRAP_UNWRAPPROC(device,proc_store) \
|
|
device->unwrapProc = proc_store;
|
|
|
|
#define WRAP_UNWRAPPROC(device,proc_store,proc) \
|
|
proc_store = device->unwrapProc; \
|
|
device->unwrapProc = proc;
|
|
|
|
static void
|
|
xevieUnwrapProc(DeviceIntPtr device, DeviceHandleProc proc, pointer data)
|
|
{
|
|
xevieDeviceInfoPtr xeviep = XEVIEINFO(device);
|
|
ProcessInputProc tmp = device->public.processInputProc;
|
|
|
|
UNWRAP_INPUTPROC(device,xeviep);
|
|
UNWRAP_UNWRAPPROC(device,xeviep->unwrapProc);
|
|
proc(device,data);
|
|
WRAP_INPUTPROC(device,xeviep,tmp);
|
|
WRAP_UNWRAPPROC(device,xeviep->unwrapProc,xevieUnwrapProc);
|
|
}
|
|
|
|
static Bool
|
|
XevieUnwrapAdd(DeviceIntPtr device, void* data)
|
|
{
|
|
if (device->unwrapProc)
|
|
device->unwrapProc(device,XevieUnwrapAdd,data);
|
|
else {
|
|
ProcessInputProc *ptr = data;
|
|
XevieWrap(device,*ptr);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
XevieAdd(DeviceIntPtr device, void* data)
|
|
{
|
|
xevieDeviceInfoPtr xeviep;
|
|
|
|
xeviep = xalloc (sizeof (xevieDeviceInfoRec));
|
|
if (!xeviep)
|
|
return FALSE;
|
|
|
|
dixSetPrivate(&device->devPrivates, xevieDevicePrivateKey, xeviep);
|
|
XevieUnwrapAdd(device, data);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
XevieRemove(DeviceIntPtr device,pointer data)
|
|
{
|
|
xevieDeviceInfoPtr xeviep = XEVIEINFO(device);
|
|
|
|
if (!xeviep) return TRUE;
|
|
|
|
UNWRAP_INPUTPROC(device,xeviep);
|
|
UNWRAP_UNWRAPPROC(device,xeviep->unwrapProc);
|
|
|
|
xfree(xeviep);
|
|
dixSetPrivate(&device->devPrivates, xevieDevicePrivateKey, NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
XevieWrap(DeviceIntPtr device, ProcessInputProc proc)
|
|
{
|
|
xevieDeviceInfoPtr xeviep = XEVIEINFO(device);
|
|
|
|
WRAP_INPUTPROC(device,xeviep,proc);
|
|
WRAP_UNWRAPPROC(device,xeviep->unwrapProc,xevieUnwrapProc);
|
|
}
|
|
|
|
static void
|
|
doSendEvent(xEvent *xE, DeviceIntPtr dev)
|
|
{
|
|
xevieDeviceInfoPtr xeviep = XEVIEINFO(dev);
|
|
ProcessInputProc tmp = dev->public.realInputProc;
|
|
if (((xE->u.u.type==KeyPress)||(xE->u.u.type==KeyRelease))
|
|
&& !xevieModifiersOn) {
|
|
KeyClassPtr keyc = dev->key;
|
|
CARD8 realModes = dev->key->modifierMap[xE->u.u.detail];
|
|
int notFound = 0;
|
|
/* if some events are consumed by client, move the queue tail pointer to the current
|
|
event which just comes back from Xevie client .
|
|
*/
|
|
if(keycq[keycqTail].time != xE->u.keyButtonPointer.time) {
|
|
while(keycq[keycqTail].time != xE->u.keyButtonPointer.time) {
|
|
if(++keycqTail >= KEYC_QUEUE_SIZE)
|
|
keycqTail = 0;
|
|
if(keycqTail == keycqHead) {
|
|
notFound = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(!notFound) {
|
|
dev->key = keycq[keycqTail].keyc;
|
|
if(++keycqTail >= KEYC_QUEUE_SIZE)
|
|
keycqTail = 0;
|
|
}
|
|
dev->key->modifierMap[xE->u.u.detail] = 0;
|
|
|
|
if(dev->key->xkbInfo->repeatKey != 0 && xE->u.u.type != KeyPress)
|
|
XkbLastRepeatEvent= (pointer)xE;
|
|
UNWRAP_INPUTPROC(dev,xeviep);
|
|
dev->public.processInputProc(xE,dev,1);
|
|
COND_WRAP_INPUTPROC(dev,xeviep,tmp);
|
|
XkbLastRepeatEvent= NULL;
|
|
|
|
dev->key->modifierMap[xE->u.u.detail] = realModes;
|
|
dev->key = keyc;
|
|
if(notFound) {
|
|
DeleteCallback(&ClientStateCallback,XevieClientStateCallback,NULL);
|
|
XevieEnd(xevieClientIndex);
|
|
ErrorF("Error: Xevie keyc queue size is not enough, disable Xevie\n");
|
|
}
|
|
} else {
|
|
UNWRAP_INPUTPROC(dev,xeviep);
|
|
dev->public.processInputProc(xE,dev,1);
|
|
COND_WRAP_INPUTPROC(dev,xeviep,tmp);
|
|
}
|
|
}
|
|
|