--- /dev/null
+/************************************************************
+
+Copyright (c) 1987 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+
+
+/* $XConsortium: events.c /main/187 1996/09/25 00:47:41 dpw $ */
+/* $XFree86: xc/programs/Xserver/dix/events.c,v 3.11 1996/12/24 02:23:45 dawes Exp $ */
+
+#include "X.h"
+#include "misc.h"
+#include "resource.h"
+#define NEED_EVENTS
+#define NEED_REPLIES
+#include "Xproto.h"
+#include "windowstr.h"
+#include "inputstr.h"
+#include "scrnintstr.h"
+#include "cursorstr.h"
+
+#include "dixstruct.h"
+
+#ifdef XKB
+#include "XKBsrv.h"
+#endif
+
+#ifdef XCSECURITY
+#define _SECURITY_SERVER
+#include "extensions/security.h"
+#endif
+
+#include "XIproto.h"
+#include "exevents.h"
+#include "extnsionst.h"
+
+#include "dixevents.h"
+#include "dixgrabs.h"
+#include "dispatch.h"
+
+extern WindowPtr *WindowTable;
+
+#define EXTENSION_EVENT_BASE 64
+
+#define NoSuchEvent 0x80000000 /* so doesn't match NoEventMask */
+#define StructureAndSubMask ( StructureNotifyMask | SubstructureNotifyMask )
+#define AllButtonsMask ( \
+ Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
+#define MotionMask ( \
+ PointerMotionMask | Button1MotionMask | \
+ Button2MotionMask | Button3MotionMask | Button4MotionMask | \
+ Button5MotionMask | ButtonMotionMask )
+#define PropagateMask ( \
+ KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | \
+ MotionMask )
+#define PointerGrabMask ( \
+ ButtonPressMask | ButtonReleaseMask | \
+ EnterWindowMask | LeaveWindowMask | \
+ PointerMotionHintMask | KeymapStateMask | \
+ MotionMask )
+#define AllModifiersMask ( \
+ ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
+ Mod3Mask | Mod4Mask | Mod5Mask )
+#define AllEventMasks (lastEventMask|(lastEventMask-1))
+/*
+ * The following relies on the fact that the Button<n>MotionMasks are equal
+ * to the corresponding Button<n>Masks from the current modifier/button state.
+ */
+#define Motion_Filter(class) (PointerMotionMask | \
+ (class)->state | (class)->motionMask)
+
+
+#define WID(w) ((w) ? ((w)->drawable.id) : 0)
+
+#define rClient(obj) (clients[CLIENT_ID((obj)->resource)])
+
+CallbackListPtr EventCallback;
+CallbackListPtr DeviceEventCallback;
+
+#define DNPMCOUNT 8
+
+Mask DontPropagateMasks[DNPMCOUNT];
+static int DontPropagateRefCnts[DNPMCOUNT];
+
+#ifdef DEBUG
+static debug_events = 0;
+#endif
+InputInfo inputInfo;
+
+static struct {
+ QdEventPtr pending, *pendtail;
+ DeviceIntPtr replayDev; /* kludgy rock to put flag for */
+ WindowPtr replayWin; /* ComputeFreezes */
+ Bool playingEvents;
+ TimeStamp time;
+} syncEvents;
+
+/*
+ * The window trace information is used to avoid having to compute all the
+ * windows between the root and the current pointer window each time a button
+ * or key goes down. The grabs on each of those windows must be checked.
+ */
+static WindowPtr *spriteTrace = (WindowPtr *)NULL;
+#define ROOT spriteTrace[0]
+static int spriteTraceSize = 0;
+static int spriteTraceGood;
+
+typedef struct {
+ int x, y;
+ ScreenPtr pScreen;
+} HotSpot;
+
+static struct {
+ CursorPtr current;
+ BoxRec hotLimits; /* logical constraints of hot spot */
+ Bool confined; /* confined to screen */
+#ifdef SHAPE
+ RegionPtr hotShape; /* additional logical shape constraint */
+#endif
+ BoxRec physLimits; /* physical constraints of hot spot */
+ WindowPtr win; /* window of logical position */
+ HotSpot hot; /* logical pointer position */
+ HotSpot hotPhys; /* physical pointer position */
+} sprite; /* info about the cursor sprite */
+
+static void DoEnterLeaveEvents(
+#if NeedFunctionPrototypes
+ WindowPtr /*fromWin*/,
+ WindowPtr /*toWin*/,
+ int /*mode*/
+#endif
+);
+
+static WindowPtr XYToWindow(
+#if NeedFunctionPrototypes
+ int /*x*/,
+ int /*y*/
+#endif
+);
+
+extern Bool permitOldBugs;
+extern Bool Must_have_memory;
+extern int lastEvent;
+#ifdef XINPUT
+extern int DeviceMotionNotify, DeviceButtonPress, DeviceKeyPress;
+#endif
+
+static Mask lastEventMask;
+
+#define CantBeFiltered NoEventMask
+static Mask filters[128] =
+{
+ NoSuchEvent, /* 0 */
+ NoSuchEvent, /* 1 */
+ KeyPressMask, /* KeyPress */
+ KeyReleaseMask, /* KeyRelease */
+ ButtonPressMask, /* ButtonPress */
+ ButtonReleaseMask, /* ButtonRelease */
+ PointerMotionMask, /* MotionNotify (initial state) */
+ EnterWindowMask, /* EnterNotify */
+ LeaveWindowMask, /* LeaveNotify */
+ FocusChangeMask, /* FocusIn */
+ FocusChangeMask, /* FocusOut */
+ KeymapStateMask, /* KeymapNotify */
+ ExposureMask, /* Expose */
+ CantBeFiltered, /* GraphicsExpose */
+ CantBeFiltered, /* NoExpose */
+ VisibilityChangeMask, /* VisibilityNotify */
+ SubstructureNotifyMask, /* CreateNotify */
+ StructureAndSubMask, /* DestroyNotify */
+ StructureAndSubMask, /* UnmapNotify */
+ StructureAndSubMask, /* MapNotify */
+ SubstructureRedirectMask, /* MapRequest */
+ StructureAndSubMask, /* ReparentNotify */
+ StructureAndSubMask, /* ConfigureNotify */
+ SubstructureRedirectMask, /* ConfigureRequest */
+ StructureAndSubMask, /* GravityNotify */
+ ResizeRedirectMask, /* ResizeRequest */
+ StructureAndSubMask, /* CirculateNotify */
+ SubstructureRedirectMask, /* CirculateRequest */
+ PropertyChangeMask, /* PropertyNotify */
+ CantBeFiltered, /* SelectionClear */
+ CantBeFiltered, /* SelectionRequest */
+ CantBeFiltered, /* SelectionNotify */
+ ColormapChangeMask, /* ColormapNotify */
+ CantBeFiltered, /* ClientMessage */
+ CantBeFiltered /* MappingNotify */
+};
+
+static CARD8 criticalEvents[32] =
+{
+ 0x3c /* key and button events */
+};
+
+Mask
+GetNextEventMask()
+{
+ lastEventMask <<= 1;
+ return lastEventMask;
+}
+
+void
+SetMaskForEvent(mask, event)
+ Mask mask;
+ int event;
+{
+ if ((event < LASTEvent) || (event >= 128))
+ FatalError("SetMaskForEvent: bogus event number");
+ filters[event] = mask;
+}
+
+void
+SetCriticalEvent(event)
+ int event;
+{
+ if (event >= 128)
+ FatalError("SetCriticalEvent: bogus event number");
+ criticalEvents[event >> 3] |= 1 << (event & 7);
+}
+
+static void
+#if NeedFunctionPrototypes
+SyntheticMotion(int x, int y)
+#else
+SyntheticMotion(x, y)
+ int x, y;
+#endif
+{
+ xEvent xE;
+
+ xE.u.keyButtonPointer.rootX = x;
+ xE.u.keyButtonPointer.rootY = y;
+ if (syncEvents.playingEvents)
+ xE.u.keyButtonPointer.time = syncEvents.time.milliseconds;
+ else
+ xE.u.keyButtonPointer.time = currentTime.milliseconds;
+ xE.u.u.type = MotionNotify;
+ (*inputInfo.pointer->public.processInputProc)(&xE, inputInfo.pointer, 1);
+}
+
+#ifdef SHAPE
+static void
+#if NeedFunctionPrototypes
+ConfineToShape(RegionPtr shape, int *px, int *py)
+#else
+ConfineToShape(shape, px, py)
+ RegionPtr shape;
+ int *px, *py;
+#endif
+{
+ BoxRec box;
+ int x = *px, y = *py;
+ int incx = 1, incy = 1;
+
+ if (POINT_IN_REGION(sprite.hot.pScreen, shape, x, y, &box))
+ return;
+ box = *REGION_EXTENTS(sprite.hot.pScreen, shape);
+ /* this is rather crude */
+ do {
+ x += incx;
+ if (x >= box.x2)
+ {
+ incx = -1;
+ x = *px - 1;
+ }
+ else if (x < box.x1)
+ {
+ incx = 1;
+ x = *px;
+ y += incy;
+ if (y >= box.y2)
+ {
+ incy = -1;
+ y = *py - 1;
+ }
+ else if (y < box.y1)
+ return; /* should never get here! */
+ }
+ } while (!POINT_IN_REGION(sprite.hot.pScreen, shape, x, y, &box));
+ *px = x;
+ *py = y;
+}
+#endif
+
+static void
+#if NeedFunctionPrototypes
+CheckPhysLimits(
+ CursorPtr cursor,
+ Bool generateEvents,
+ Bool confineToScreen,
+ ScreenPtr pScreen)
+#else
+CheckPhysLimits(cursor, generateEvents, confineToScreen, pScreen)
+ CursorPtr cursor;
+ Bool generateEvents;
+ Bool confineToScreen;
+ ScreenPtr pScreen;
+#endif
+{
+ HotSpot new;
+
+ if (!cursor)
+ return;
+ new = sprite.hotPhys;
+ if (pScreen)
+ new.pScreen = pScreen;
+ else
+ pScreen = new.pScreen;
+ (*pScreen->CursorLimits) (pScreen, cursor, &sprite.hotLimits,
+ &sprite.physLimits);
+ sprite.confined = confineToScreen;
+ (* pScreen->ConstrainCursor)(pScreen, &sprite.physLimits);
+ if (new.x < sprite.physLimits.x1)
+ new.x = sprite.physLimits.x1;
+ else
+ if (new.x >= sprite.physLimits.x2)
+ new.x = sprite.physLimits.x2 - 1;
+ if (new.y < sprite.physLimits.y1)
+ new.y = sprite.physLimits.y1;
+ else
+ if (new.y >= sprite.physLimits.y2)
+ new.y = sprite.physLimits.y2 - 1;
+#ifdef SHAPE
+ if (sprite.hotShape)
+ ConfineToShape(sprite.hotShape, &new.x, &new.y);
+#endif
+ if ((pScreen != sprite.hotPhys.pScreen) ||
+ (new.x != sprite.hotPhys.x) || (new.y != sprite.hotPhys.y))
+ {
+ if (pScreen != sprite.hotPhys.pScreen)
+ sprite.hotPhys = new;
+ (*pScreen->SetCursorPosition) (pScreen, new.x, new.y, generateEvents);
+ if (!generateEvents)
+ SyntheticMotion(new.x, new.y);
+ }
+}
+
+static void
+#if NeedFunctionPrototypes
+CheckVirtualMotion(
+ register QdEventPtr qe,
+ register WindowPtr pWin)
+#else
+CheckVirtualMotion(qe, pWin)
+ register QdEventPtr qe;
+ register WindowPtr pWin;
+#endif
+{
+
+ if (qe)
+ {
+ sprite.hot.pScreen = qe->pScreen;
+ sprite.hot.x = qe->event->u.keyButtonPointer.rootX;
+ sprite.hot.y = qe->event->u.keyButtonPointer.rootY;
+ pWin = inputInfo.pointer->grab ? inputInfo.pointer->grab->confineTo :
+ NullWindow;
+ }
+ if (pWin)
+ {
+ BoxRec lims;
+
+ if (sprite.hot.pScreen != pWin->drawable.pScreen)
+ {
+ sprite.hot.pScreen = pWin->drawable.pScreen;
+ sprite.hot.x = sprite.hot.y = 0;
+ }
+ lims = *REGION_EXTENTS(pWin->drawable.pScreen, &pWin->borderSize);
+ if (sprite.hot.x < lims.x1)
+ sprite.hot.x = lims.x1;
+ else if (sprite.hot.x >= lims.x2)
+ sprite.hot.x = lims.x2 - 1;
+ if (sprite.hot.y < lims.y1)
+ sprite.hot.y = lims.y1;
+ else if (sprite.hot.y >= lims.y2)
+ sprite.hot.y = lims.y2 - 1;
+#ifdef SHAPE
+ if (wBoundingShape(pWin))
+ ConfineToShape(&pWin->borderSize, &sprite.hot.x, &sprite.hot.y);
+#endif
+ if (qe)
+ {
+ qe->pScreen = sprite.hot.pScreen;
+ qe->event->u.keyButtonPointer.rootX = sprite.hot.x;
+ qe->event->u.keyButtonPointer.rootY = sprite.hot.y;
+ }
+ }
+ ROOT = WindowTable[sprite.hot.pScreen->myNum];
+}
+
+void
+ConfineCursorToWindow(pWin, generateEvents, confineToScreen)
+ WindowPtr pWin;
+ Bool generateEvents;
+ Bool confineToScreen;
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ if (syncEvents.playingEvents)
+ {
+ CheckVirtualMotion((QdEventPtr)NULL, pWin);
+ SyntheticMotion(sprite.hot.x, sprite.hot.y);
+ }
+ else
+ {
+ sprite.hotLimits = *REGION_EXTENTS( pScreen, &pWin->borderSize);
+#ifdef SHAPE
+ sprite.hotShape = wBoundingShape(pWin) ? &pWin->borderSize
+ : NullRegion;
+#endif
+ CheckPhysLimits(sprite.current, generateEvents, confineToScreen,
+ pScreen);
+ }
+}
+
+Bool
+PointerConfinedToScreen()
+{
+ return sprite.confined;
+}
+
+static void
+#if NeedFunctionPrototypes
+ChangeToCursor(CursorPtr cursor)
+#else
+ChangeToCursor(cursor)
+ CursorPtr cursor;
+#endif
+{
+ if (cursor != sprite.current)
+ {
+ if ((sprite.current->bits->xhot != cursor->bits->xhot) ||
+ (sprite.current->bits->yhot != cursor->bits->yhot))
+ CheckPhysLimits(cursor, FALSE, PointerConfinedToScreen(),
+ (ScreenPtr)NULL);
+ (*sprite.hotPhys.pScreen->DisplayCursor) (sprite.hotPhys.pScreen,
+ cursor);
+ sprite.current = cursor;
+ }
+}
+
+/* returns true if b is a descendent of a */
+Bool
+IsParent(a, b)
+ register WindowPtr a, b;
+{
+ for (b = b->parent; b; b = b->parent)
+ if (b == a) return TRUE;
+ return FALSE;
+}
+
+static void
+#if NeedFunctionPrototypes
+PostNewCursor(void)
+#else
+PostNewCursor()
+#endif
+{
+ register WindowPtr win;
+ register GrabPtr grab = inputInfo.pointer->grab;
+
+ if (syncEvents.playingEvents)
+ return;
+ if (grab)
+ {
+ if (grab->cursor)
+ {
+ ChangeToCursor(grab->cursor);
+ return;
+ }
+ if (IsParent(grab->window, sprite.win))
+ win = sprite.win;
+ else
+ win = grab->window;
+ }
+ else
+ win = sprite.win;
+ for (; win; win = win->parent)
+ if (win->optional && win->optional->cursor != NullCursor)
+ {
+ ChangeToCursor(win->optional->cursor);
+ return;
+ }
+}
+
+WindowPtr
+GetCurrentRootWindow()
+{
+ return ROOT;
+}
+
+WindowPtr
+GetSpriteWindow()
+{
+ return sprite.win;
+}
+
+CursorPtr
+GetSpriteCursor()
+{
+ return sprite.current;
+}
+
+void
+GetSpritePosition(px, py)
+ int *px, *py;
+{
+ *px = sprite.hotPhys.x;
+ *py = sprite.hotPhys.y;
+}
+
+#define TIMESLOP (5 * 60 * 1000) /* 5 minutes */
+
+static void
+#if NeedFunctionPrototypes
+MonthChangedOrBadTime(register xEvent *xE)
+#else
+MonthChangedOrBadTime(xE)
+ register xEvent *xE;
+#endif
+{
+ /* If the ddx/OS is careless about not processing timestamped events from
+ * different sources in sorted order, then it's possible for time to go
+ * backwards when it should not. Here we ensure a decent time.
+ */
+ if ((currentTime.milliseconds - xE->u.keyButtonPointer.time) > TIMESLOP)
+ currentTime.months++;
+ else
+ xE->u.keyButtonPointer.time = currentTime.milliseconds;
+}
+
+#define NoticeTime(xE) { \
+ if ((xE)->u.keyButtonPointer.time < currentTime.milliseconds) \
+ MonthChangedOrBadTime(xE); \
+ currentTime.milliseconds = (xE)->u.keyButtonPointer.time; \
+ lastDeviceEventTime = currentTime; }
+
+void
+NoticeEventTime(xE)
+ register xEvent *xE;
+{
+ if (!syncEvents.playingEvents)
+ NoticeTime(xE);
+}
+
+/**************************************************************************
+ * The following procedures deal with synchronous events *
+ **************************************************************************/
+
+void
+EnqueueEvent(xE, device, count)
+ xEvent *xE;
+ DeviceIntPtr device;
+ int count;
+{
+ register QdEventPtr tail = *syncEvents.pendtail;
+ register QdEventPtr qe;
+ xEvent *qxE;
+
+ NoticeTime(xE);
+ if (DeviceEventCallback)
+ {
+ DeviceEventInfoRec eventinfo;
+ /* The RECORD spec says that the root window field of motion events
+ * must be valid. At this point, it hasn't been filled in yet, so
+ * we do it here. The long expression below is necessary to get
+ * the current root window; the apparently reasonable alternative
+ * GetCurrentRootWindow()->drawable.id doesn't give you the right
+ * answer on the first motion event after a screen change because
+ * the data that GetCurrentRootWindow relies on hasn't been
+ * updated yet.
+ */
+ if (xE->u.u.type == MotionNotify)
+ xE->u.keyButtonPointer.root =
+ WindowTable[sprite.hotPhys.pScreen->myNum]->drawable.id;
+ eventinfo.events = xE;
+ eventinfo.count = count;
+ CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
+ }
+ if (xE->u.u.type == MotionNotify)
+ {
+ sprite.hotPhys.x = xE->u.keyButtonPointer.rootX;
+ sprite.hotPhys.y = xE->u.keyButtonPointer.rootY;
+ /* do motion compression */
+ if (tail &&
+ (tail->event->u.u.type == MotionNotify) &&
+ (tail->pScreen == sprite.hotPhys.pScreen))
+ {
+ tail->event->u.keyButtonPointer.rootX = sprite.hotPhys.x;
+ tail->event->u.keyButtonPointer.rootY = sprite.hotPhys.y;
+ tail->event->u.keyButtonPointer.time = xE->u.keyButtonPointer.time;
+ tail->months = currentTime.months;
+ return;
+ }
+ }
+ qe = (QdEventPtr)xalloc(sizeof(QdEventRec) + (count * sizeof(xEvent)));
+ if (!qe)
+ return;
+ qe->next = (QdEventPtr)NULL;
+ qe->device = device;
+ qe->pScreen = sprite.hotPhys.pScreen;
+ qe->months = currentTime.months;
+ qe->event = (xEvent *)(qe + 1);
+ qe->evcount = count;
+ for (qxE = qe->event; --count >= 0; qxE++, xE++)
+ *qxE = *xE;
+ if (tail)
+ syncEvents.pendtail = &tail->next;
+ *syncEvents.pendtail = qe;
+}
+
+static void
+#if NeedFunctionPrototypes
+PlayReleasedEvents(void)
+#else
+PlayReleasedEvents()
+#endif
+{
+ register QdEventPtr *prev, qe;
+ register DeviceIntPtr dev;
+
+ prev = &syncEvents.pending;
+ while ( (qe = *prev) )
+ {
+ if (!qe->device->sync.frozen)
+ {
+ *prev = qe->next;
+ if (*syncEvents.pendtail == *prev)
+ syncEvents.pendtail = prev;
+ if (qe->event->u.u.type == MotionNotify)
+ CheckVirtualMotion(qe, NullWindow);
+ syncEvents.time.months = qe->months;
+ syncEvents.time.milliseconds = qe->event->u.keyButtonPointer.time;
+ (*qe->device->public.processInputProc)(qe->event, qe->device,
+ qe->evcount);
+ xfree(qe);
+ for (dev = inputInfo.devices; dev && dev->sync.frozen; dev = dev->next)
+ ;
+ if (!dev)
+ break;
+ /* Playing the event may have unfrozen another device. */
+ /* So to play it safe, restart at the head of the queue */
+ prev = &syncEvents.pending;
+ }
+ else
+ prev = &qe->next;
+ }
+}
+
+static void
+#if NeedFunctionPrototypes
+FreezeThaw(register DeviceIntPtr dev, Bool frozen)
+#else
+FreezeThaw(dev, frozen)
+ register DeviceIntPtr dev;
+ Bool frozen;
+#endif
+{
+ dev->sync.frozen = frozen;
+ if (frozen)
+ dev->public.processInputProc = dev->public.enqueueInputProc;
+ else
+ dev->public.processInputProc = dev->public.realInputProc;
+}
+
+void
+ComputeFreezes()
+{
+ register DeviceIntPtr replayDev = syncEvents.replayDev;
+ register int i;
+ WindowPtr w;
+ register xEvent *xE;
+ int count;
+ GrabPtr grab;
+ register DeviceIntPtr dev;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ FreezeThaw(dev, dev->sync.other || (dev->sync.state >= FROZEN));
+ if (syncEvents.playingEvents || (!replayDev && !syncEvents.pending))
+ return;
+ syncEvents.playingEvents = TRUE;
+ if (replayDev)
+ {
+ xE = replayDev->sync.event;
+ count = replayDev->sync.evcount;
+ syncEvents.replayDev = (DeviceIntPtr)NULL;
+ w = XYToWindow(
+ xE->u.keyButtonPointer.rootX, xE->u.keyButtonPointer.rootY);
+ for (i = 0; i < spriteTraceGood; i++)
+ if (syncEvents.replayWin == spriteTrace[i])
+ {
+ if (!CheckDeviceGrabs(replayDev, xE, i+1, count))
+ if (replayDev->focus)
+ DeliverFocusedEvent(replayDev, xE, w, count);
+ else
+ DeliverDeviceEvents(w, xE, NullGrab, NullWindow,
+ replayDev, count);
+ goto playmore;
+ }
+ /* must not still be in the same stack */
+ if (replayDev->focus)
+ DeliverFocusedEvent(replayDev, xE, w, count);
+ else
+ DeliverDeviceEvents(w, xE, NullGrab, NullWindow, replayDev, count);
+ }
+playmore:
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (!dev->sync.frozen)
+ {
+ PlayReleasedEvents();
+ break;
+ }
+ }
+ syncEvents.playingEvents = FALSE;
+ /* the following may have been skipped during replay, so do it now */
+ if ((grab = inputInfo.pointer->grab) && grab->confineTo)
+ {
+ if (grab->confineTo->drawable.pScreen != sprite.hotPhys.pScreen)
+ sprite.hotPhys.x = sprite.hotPhys.y = 0;
+ ConfineCursorToWindow(grab->confineTo, TRUE, TRUE);
+ }
+ else
+ ConfineCursorToWindow(WindowTable[sprite.hotPhys.pScreen->myNum],
+ TRUE, FALSE);
+ PostNewCursor();
+}
+
+void
+CheckGrabForSyncs(thisDev, thisMode, otherMode)
+ register DeviceIntPtr thisDev;
+ Bool thisMode, otherMode;
+{
+ register GrabPtr grab = thisDev->grab;
+ register DeviceIntPtr dev;
+
+ if (thisMode == GrabModeSync)
+ thisDev->sync.state = FROZEN_NO_EVENT;
+ else
+ { /* free both if same client owns both */
+ thisDev->sync.state = THAWED;
+ if (thisDev->sync.other &&
+ (CLIENT_BITS(thisDev->sync.other->resource) ==
+ CLIENT_BITS(grab->resource)))
+ thisDev->sync.other = NullGrab;
+ }
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev != thisDev)
+ {
+ if (otherMode == GrabModeSync)
+ dev->sync.other = grab;
+ else
+ { /* free both if same client owns both */
+ if (dev->sync.other &&
+ (CLIENT_BITS(dev->sync.other->resource) ==
+ CLIENT_BITS(grab->resource)))
+ dev->sync.other = NullGrab;
+ }
+ }
+ }
+ ComputeFreezes();
+}
+
+void
+ActivatePointerGrab(mouse, grab, time, autoGrab)
+ register GrabPtr grab;
+ register DeviceIntPtr mouse;
+ TimeStamp time;
+ Bool autoGrab;
+{
+ WindowPtr oldWin = (mouse->grab) ? mouse->grab->window
+ : sprite.win;
+
+ if (grab->confineTo)
+ {
+ if (grab->confineTo->drawable.pScreen != sprite.hotPhys.pScreen)
+ sprite.hotPhys.x = sprite.hotPhys.y = 0;
+ ConfineCursorToWindow(grab->confineTo, FALSE, TRUE);
+ }
+ DoEnterLeaveEvents(oldWin, grab->window, NotifyGrab);
+ mouse->valuator->motionHintWindow = NullWindow;
+ if (syncEvents.playingEvents)
+ mouse->grabTime = syncEvents.time;
+ else
+ mouse->grabTime = time;
+ if (grab->cursor)
+ grab->cursor->refcnt++;
+ mouse->activeGrab = *grab;
+ mouse->grab = &mouse->activeGrab;
+ mouse->fromPassiveGrab = autoGrab;
+ PostNewCursor();
+ CheckGrabForSyncs(mouse,
+ (Bool)grab->pointerMode, (Bool)grab->keyboardMode);
+}
+
+void
+DeactivatePointerGrab(mouse)
+ register DeviceIntPtr mouse;
+{
+ register GrabPtr grab = mouse->grab;
+ register DeviceIntPtr dev;
+
+ mouse->valuator->motionHintWindow = NullWindow;
+ mouse->grab = NullGrab;
+ mouse->sync.state = NOT_GRABBED;
+ mouse->fromPassiveGrab = FALSE;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->sync.other == grab)
+ dev->sync.other = NullGrab;
+ }
+ DoEnterLeaveEvents(grab->window, sprite.win, NotifyUngrab);
+ if (grab->confineTo)
+ ConfineCursorToWindow(ROOT, FALSE, FALSE);
+ PostNewCursor();
+ if (grab->cursor)
+ FreeCursor(grab->cursor, (Cursor)0);
+ ComputeFreezes();
+}
+
+void
+ActivateKeyboardGrab(keybd, grab, time, passive)
+ register DeviceIntPtr keybd;
+ GrabPtr grab;
+ TimeStamp time;
+ Bool passive;
+{
+ WindowPtr oldWin;
+
+ if (keybd->grab)
+ oldWin = keybd->grab->window;
+ else if (keybd->focus)
+ oldWin = keybd->focus->win;
+ else
+ oldWin = sprite.win;
+ if (oldWin == FollowKeyboardWin)
+ oldWin = inputInfo.keyboard->focus->win;
+ if (keybd->valuator)
+ keybd->valuator->motionHintWindow = NullWindow;
+ DoFocusEvents(keybd, oldWin, grab->window, NotifyGrab);
+ if (syncEvents.playingEvents)
+ keybd->grabTime = syncEvents.time;
+ else
+ keybd->grabTime = time;
+ keybd->activeGrab = *grab;
+ keybd->grab = &keybd->activeGrab;
+ keybd->fromPassiveGrab = passive;
+ CheckGrabForSyncs(keybd,
+ (Bool)grab->keyboardMode, (Bool)grab->pointerMode);
+}
+
+void
+DeactivateKeyboardGrab(keybd)
+ register DeviceIntPtr keybd;
+{
+ register GrabPtr grab = keybd->grab;
+ register DeviceIntPtr dev;
+ register WindowPtr focusWin = keybd->focus ? keybd->focus->win
+ : sprite.win;
+
+ if (focusWin == FollowKeyboardWin)
+ focusWin = inputInfo.keyboard->focus->win;
+ if (keybd->valuator)
+ keybd->valuator->motionHintWindow = NullWindow;
+ keybd->grab = NullGrab;
+ keybd->sync.state = NOT_GRABBED;
+ keybd->fromPassiveGrab = FALSE;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->sync.other == grab)
+ dev->sync.other = NullGrab;
+ }
+ DoFocusEvents(keybd, grab->window, focusWin, NotifyUngrab);
+ ComputeFreezes();
+}
+
+void
+AllowSome(client, time, thisDev, newState)
+ ClientPtr client;
+ TimeStamp time;
+ register DeviceIntPtr thisDev;
+ int newState;
+{
+ Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced;
+ TimeStamp grabTime;
+ register DeviceIntPtr dev;
+
+ thisGrabbed = thisDev->grab && SameClient(thisDev->grab, client);
+ thisSynced = FALSE;
+ otherGrabbed = FALSE;
+ othersFrozen = TRUE;
+ grabTime = thisDev->grabTime;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev == thisDev)
+ continue;
+ if (dev->grab && SameClient(dev->grab, client))
+ {
+ if (!(thisGrabbed || otherGrabbed) ||
+ (CompareTimeStamps(dev->grabTime, grabTime) == LATER))
+ grabTime = dev->grabTime;
+ otherGrabbed = TRUE;
+ if (thisDev->sync.other == dev->grab)
+ thisSynced = TRUE;
+ if (dev->sync.state < FROZEN)
+ othersFrozen = FALSE;
+ }
+ else if (!dev->sync.other || !SameClient(dev->sync.other, client))
+ othersFrozen = FALSE;
+ }
+ if (!((thisGrabbed && thisDev->sync.state >= FROZEN) || thisSynced))
+ return;
+ if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, grabTime) == EARLIER))
+ return;
+ switch (newState)
+ {
+ case THAWED: /* Async */
+ if (thisGrabbed)
+ thisDev->sync.state = THAWED;
+ if (thisSynced)
+ thisDev->sync.other = NullGrab;
+ ComputeFreezes();
+ break;
+ case FREEZE_NEXT_EVENT: /* Sync */
+ if (thisGrabbed)
+ {
+ thisDev->sync.state = FREEZE_NEXT_EVENT;
+ if (thisSynced)
+ thisDev->sync.other = NullGrab;
+ ComputeFreezes();
+ }
+ break;
+ case THAWED_BOTH: /* AsyncBoth */
+ if (othersFrozen)
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->grab && SameClient(dev->grab, client))
+ dev->sync.state = THAWED;
+ if (dev->sync.other && SameClient(dev->sync.other, client))
+ dev->sync.other = NullGrab;
+ }
+ ComputeFreezes();
+ }
+ break;
+ case FREEZE_BOTH_NEXT_EVENT: /* SyncBoth */
+ if (othersFrozen)
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->grab && SameClient(dev->grab, client))
+ dev->sync.state = FREEZE_BOTH_NEXT_EVENT;
+ if (dev->sync.other && SameClient(dev->sync.other, client))
+ dev->sync.other = NullGrab;
+ }
+ ComputeFreezes();
+ }
+ break;
+ case NOT_GRABBED: /* Replay */
+ if (thisGrabbed && thisDev->sync.state == FROZEN_WITH_EVENT)
+ {
+ if (thisSynced)
+ thisDev->sync.other = NullGrab;
+ syncEvents.replayDev = thisDev;
+ syncEvents.replayWin = thisDev->grab->window;
+ (*thisDev->DeactivateGrab)(thisDev);
+ syncEvents.replayDev = (DeviceIntPtr)NULL;
+ }
+ break;
+ case THAW_OTHERS: /* AsyncOthers */
+ if (othersFrozen)
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev == thisDev)
+ continue;
+ if (dev->grab && SameClient(dev->grab, client))
+ dev->sync.state = THAWED;
+ if (dev->sync.other && SameClient(dev->sync.other, client))
+ dev->sync.other = NullGrab;
+ }
+ ComputeFreezes();
+ }
+ break;
+ }
+}
+
+int
+ProcAllowEvents(client)
+ register ClientPtr client;
+{
+ TimeStamp time;
+ DeviceIntPtr mouse = inputInfo.pointer;
+ DeviceIntPtr keybd = inputInfo.keyboard;
+ REQUEST(xAllowEventsReq);
+
+ REQUEST_SIZE_MATCH(xAllowEventsReq);
+ time = ClientTimeToServerTime(stuff->time);
+ switch (stuff->mode)
+ {
+ case ReplayPointer:
+ AllowSome(client, time, mouse, NOT_GRABBED);
+ break;
+ case SyncPointer:
+ AllowSome(client, time, mouse, FREEZE_NEXT_EVENT);
+ break;
+ case AsyncPointer:
+ AllowSome(client, time, mouse, THAWED);
+ break;
+ case ReplayKeyboard:
+ AllowSome(client, time, keybd, NOT_GRABBED);
+ break;
+ case SyncKeyboard:
+ AllowSome(client, time, keybd, FREEZE_NEXT_EVENT);
+ break;
+ case AsyncKeyboard:
+ AllowSome(client, time, keybd, THAWED);
+ break;
+ case SyncBoth:
+ AllowSome(client, time, keybd, FREEZE_BOTH_NEXT_EVENT);
+ break;
+ case AsyncBoth:
+ AllowSome(client, time, keybd, THAWED_BOTH);
+ break;
+ default:
+ client->errorValue = stuff->mode;
+ return BadValue;
+ }
+ return Success;
+}
+
+void
+ReleaseActiveGrabs(client)
+ ClientPtr client;
+{
+ register DeviceIntPtr dev;
+ Bool done;
+
+ /* XXX CloseDownClient should remove passive grabs before
+ * releasing active grabs.
+ */
+ do {
+ done = TRUE;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->grab && SameClient(dev->grab, client))
+ {
+ (*dev->DeactivateGrab)(dev);
+ done = FALSE;
+ }
+ }
+ } while (!done);
+}
+
+/**************************************************************************
+ * The following procedures deal with delivering events *
+ **************************************************************************/
+
+int
+TryClientEvents (client, pEvents, count, mask, filter, grab)
+ ClientPtr client;
+ GrabPtr grab;
+ xEvent *pEvents;
+ int count;
+ Mask mask, filter;
+{
+ int i;
+ int type;
+
+#ifdef DEBUG
+ if (debug_events) ErrorF(
+ "Event([%d, %d], mask=0x%x), client=%d",
+ pEvents->u.u.type, pEvents->u.u.detail, mask, client->index);
+#endif
+ if ((client) && (client != serverClient) && (!client->clientGone) &&
+ ((filter == CantBeFiltered) || (mask & filter)))
+ {
+ if (grab && !SameClient(grab, client))
+ return -1; /* don't send, but notify caller */
+ type = pEvents->u.u.type;
+ if (type == MotionNotify)
+ {
+ if (mask & PointerMotionHintMask)
+ {
+ if (WID(inputInfo.pointer->valuator->motionHintWindow) ==
+ pEvents->u.keyButtonPointer.event)
+ {
+#ifdef DEBUG
+ if (debug_events) ErrorF("\n");
+#endif
+ return 1; /* don't send, but pretend we did */
+ }
+ pEvents->u.u.detail = NotifyHint;
+ }
+ else
+ {
+ pEvents->u.u.detail = NotifyNormal;
+ }
+ }
+#ifdef XINPUT
+ else
+ {
+ if ((type == DeviceMotionNotify) &&
+ MaybeSendDeviceMotionNotifyHint
+ ((deviceKeyButtonPointer*)pEvents, mask) != 0)
+ return 1;
+ }
+#endif
+ type &= 0177;
+ if (type != KeymapNotify)
+ {
+ /* all extension events must have a sequence number */
+ for (i = 0; i < count; i++)
+ pEvents[i].u.u.sequenceNumber = client->sequence;
+ }
+
+ if (BitIsOn(criticalEvents, type))
+ SetCriticalOutputPending();
+
+ WriteEventsToClient(client, count, pEvents);
+#ifdef DEBUG
+ if (debug_events) ErrorF( " delivered\n");
+#endif
+ return 1;
+ }
+ else
+ {
+#ifdef DEBUG
+ if (debug_events) ErrorF("\n");
+#endif
+ return 0;
+ }
+}
+
+int
+DeliverEventsToWindow(pWin, pEvents, count, filter, grab, mskidx)
+ register WindowPtr pWin;
+ GrabPtr grab;
+ xEvent *pEvents;
+ int count;
+ Mask filter;
+ int mskidx;
+{
+ int deliveries = 0, nondeliveries = 0;
+ int attempt;
+ register InputClients *other;
+ ClientPtr client = NullClient;
+ Mask deliveryMask; /* If a grab occurs due to a button press, then
+ this mask is the mask of the grab. */
+ int type = pEvents->u.u.type;
+
+ /* CantBeFiltered means only window owner gets the event */
+ if ((filter == CantBeFiltered) || !(type & EXTENSION_EVENT_BASE))
+ {
+ /* if nobody ever wants to see this event, skip some work */
+ if (filter != CantBeFiltered &&
+ !((wOtherEventMasks(pWin)|pWin->eventMask) & filter))
+ return 0;
+ if ( (attempt = TryClientEvents(wClient(pWin), pEvents, count,
+ pWin->eventMask, filter, grab)) )
+ {
+ if (attempt > 0)
+ {
+ deliveries++;
+ client = wClient(pWin);
+ deliveryMask = pWin->eventMask;
+ } else
+ nondeliveries--;
+ }
+ }
+ if (filter != CantBeFiltered)
+ {
+ if (type & EXTENSION_EVENT_BASE)
+ {
+ OtherInputMasks *inputMasks;
+
+ inputMasks = wOtherInputMasks(pWin);
+ if (!inputMasks ||
+ !(inputMasks->inputEvents[mskidx] & filter))
+ return 0;
+ other = inputMasks->inputClients;
+ }
+ else
+ other = (InputClients *)wOtherClients(pWin);
+ for (; other; other = other->next)
+ {
+ if ( (attempt = TryClientEvents(rClient(other), pEvents, count,
+ other->mask[mskidx], filter, grab)) )
+ {
+ if (attempt > 0)
+ {
+ deliveries++;
+ client = rClient(other);
+ deliveryMask = other->mask[mskidx];
+ } else
+ nondeliveries--;
+ }
+ }
+ }
+ if ((type == ButtonPress) && deliveries && (!grab))
+ {
+ GrabRec tempGrab;
+
+ tempGrab.device = inputInfo.pointer;
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.window = pWin;
+ tempGrab.ownerEvents = (deliveryMask & OwnerGrabButtonMask) ? TRUE : FALSE;
+ tempGrab.eventMask = deliveryMask;
+ tempGrab.keyboardMode = GrabModeAsync;
+ tempGrab.pointerMode = GrabModeAsync;
+ tempGrab.confineTo = NullWindow;
+ tempGrab.cursor = NullCursor;
+ (*inputInfo.pointer->ActivateGrab)(inputInfo.pointer, &tempGrab,
+ currentTime, TRUE);
+ }
+ else if ((type == MotionNotify) && deliveries)
+ inputInfo.pointer->valuator->motionHintWindow = pWin;
+#ifdef XINPUT
+ else
+ {
+ if (((type == DeviceMotionNotify) || (type == DeviceButtonPress)) &&
+ deliveries)
+ CheckDeviceGrabAndHintWindow (pWin, type,
+ (deviceKeyButtonPointer*) pEvents,
+ grab, client, deliveryMask);
+ }
+#endif
+ if (deliveries)
+ return deliveries;
+ return nondeliveries;
+}
+
+/* If the event goes to dontClient, don't send it and return 0. if
+ send works, return 1 or if send didn't work, return 2.
+ Only works for core events.
+*/
+
+int
+MaybeDeliverEventsToClient(pWin, pEvents, count, filter, dontClient)
+ register WindowPtr pWin;
+ xEvent *pEvents;
+ int count;
+ Mask filter;
+ ClientPtr dontClient;
+{
+ register OtherClients *other;
+
+ if (pWin->eventMask & filter)
+ {
+ if (wClient(pWin) == dontClient)
+ return 0;
+ return TryClientEvents(wClient(pWin), pEvents, count,
+ pWin->eventMask, filter, NullGrab);
+ }
+ for (other = wOtherClients(pWin); other; other = other->next)
+ {
+ if (other->mask & filter)
+ {
+ if (SameClient(other, dontClient))
+ return 0;
+ return TryClientEvents(rClient(other), pEvents, count,
+ other->mask, filter, NullGrab);
+ }
+ }
+ return 2;
+}
+
+static void
+#if NeedFunctionPrototypes
+FixUpEventFromWindow(
+ xEvent *xE,
+ WindowPtr pWin,
+ Window child,
+ Bool calcChild)
+#else
+FixUpEventFromWindow(xE, pWin, child, calcChild)
+ xEvent *xE;
+ WindowPtr pWin;
+ Window child;
+ Bool calcChild;
+#endif
+{
+ if (calcChild)
+ {
+ WindowPtr w=spriteTrace[spriteTraceGood-1];
+
+ /* If the search ends up past the root should the child field be
+ set to none or should the value in the argument be passed
+ through. It probably doesn't matter since everyone calls
+ this function with child == None anyway. */
+
+ while (w)
+ {
+ /* If the source window is same as event window, child should be
+ none. Don't bother going all all the way back to the root. */
+
+ if (w == pWin)
+ {
+ child = None;
+ break;
+ }
+
+ if (w->parent == pWin)
+ {
+ child = w->drawable.id;
+ break;
+ }
+ w = w->parent;
+ }
+ }
+ xE->u.keyButtonPointer.root = ROOT->drawable.id;
+ xE->u.keyButtonPointer.event = pWin->drawable.id;
+ if (sprite.hot.pScreen == pWin->drawable.pScreen)
+ {
+ xE->u.keyButtonPointer.sameScreen = xTrue;
+ xE->u.keyButtonPointer.child = child;
+ xE->u.keyButtonPointer.eventX =
+ xE->u.keyButtonPointer.rootX - pWin->drawable.x;
+ xE->u.keyButtonPointer.eventY =
+ xE->u.keyButtonPointer.rootY - pWin->drawable.y;
+ }
+ else
+ {
+ xE->u.keyButtonPointer.sameScreen = xFalse;
+ xE->u.keyButtonPointer.child = None;
+ xE->u.keyButtonPointer.eventX = 0;
+ xE->u.keyButtonPointer.eventY = 0;
+ }
+}
+
+int
+DeliverDeviceEvents(pWin, xE, grab, stopAt, dev, count)
+ register WindowPtr pWin, stopAt;
+ register xEvent *xE;
+ GrabPtr grab;
+ DeviceIntPtr dev;
+ int count;
+{
+ Window child = None;
+ int type = xE->u.u.type;
+ Mask filter = filters[type];
+ int deliveries = 0;
+
+ if (type & EXTENSION_EVENT_BASE)
+ {
+ register OtherInputMasks *inputMasks;
+ int mskidx = dev->id;
+
+ inputMasks = wOtherInputMasks(pWin);
+ if (inputMasks && !(filter & inputMasks->deliverableEvents[mskidx]))
+ return 0;
+ while (pWin)
+ {
+ if (inputMasks && (inputMasks->inputEvents[mskidx] & filter))
+ {
+ FixUpEventFromWindow(xE, pWin, child, FALSE);
+ deliveries = DeliverEventsToWindow(pWin, xE, count, filter,
+ grab, mskidx);
+ if (deliveries > 0)
+ return deliveries;
+ }
+ if ((deliveries < 0) ||
+ (pWin == stopAt) ||
+ (inputMasks &&
+ (filter & inputMasks->dontPropagateMask[mskidx])))
+ return 0;
+ child = pWin->drawable.id;
+ pWin = pWin->parent;
+ if (pWin)
+ inputMasks = wOtherInputMasks(pWin);
+ }
+ }
+ else
+ {
+ if (!(filter & pWin->deliverableEvents))
+ return 0;
+ while (pWin)
+ {
+ if ((wOtherEventMasks(pWin)|pWin->eventMask) & filter)
+ {
+ FixUpEventFromWindow(xE, pWin, child, FALSE);
+ deliveries = DeliverEventsToWindow(pWin, xE, count, filter,
+ grab, 0);
+ if (deliveries > 0)
+ return deliveries;
+ }
+ if ((deliveries < 0) ||
+ (pWin == stopAt) ||
+ (filter & wDontPropagateMask(pWin)))
+ return 0;
+ child = pWin->drawable.id;
+ pWin = pWin->parent;
+ }
+ }
+ return 0;
+}
+
+/* not useful for events that propagate up the tree or extension events */
+int
+DeliverEvents(pWin, xE, count, otherParent)
+ register WindowPtr pWin, otherParent;
+ register xEvent *xE;
+ int count;
+{
+ Mask filter;
+ int deliveries;
+
+ if (!count)
+ return 0;
+ filter = filters[xE->u.u.type];
+ if ((filter & SubstructureNotifyMask) && (xE->u.u.type != CreateNotify))
+ xE->u.destroyNotify.event = pWin->drawable.id;
+ if (filter != StructureAndSubMask)
+ return DeliverEventsToWindow(pWin, xE, count, filter, NullGrab, 0);
+ deliveries = DeliverEventsToWindow(pWin, xE, count, StructureNotifyMask,
+ NullGrab, 0);
+ if (pWin->parent)
+ {
+ xE->u.destroyNotify.event = pWin->parent->drawable.id;
+ deliveries += DeliverEventsToWindow(pWin->parent, xE, count,
+ SubstructureNotifyMask, NullGrab,
+ 0);
+ if (xE->u.u.type == ReparentNotify)
+ {
+ xE->u.destroyNotify.event = otherParent->drawable.id;
+ deliveries += DeliverEventsToWindow(otherParent, xE, count,
+ SubstructureNotifyMask,
+ NullGrab, 0);
+ }
+ }
+ return deliveries;
+}
+
+static WindowPtr
+#if NeedFunctionPrototypes
+XYToWindow(int x, int y)
+#else
+XYToWindow(x, y)
+ int x, y;
+#endif
+{
+ register WindowPtr pWin;
+#ifdef SHAPE
+ BoxRec box;
+#endif
+
+ spriteTraceGood = 1; /* root window still there */
+ pWin = ROOT->firstChild;
+ while (pWin)
+ {
+ if ((pWin->mapped) &&
+ (x >= pWin->drawable.x - wBorderWidth (pWin)) &&
+ (x < pWin->drawable.x + (int)pWin->drawable.width +
+ wBorderWidth(pWin)) &&
+ (y >= pWin->drawable.y - wBorderWidth (pWin)) &&
+ (y < pWin->drawable.y + (int)pWin->drawable.height +
+ wBorderWidth (pWin))
+#ifdef SHAPE
+ /* When a window is shaped, a further check
+ * is made to see if the point is inside
+ * borderSize
+ */
+ && (!wBoundingShape(pWin) ||
+ POINT_IN_REGION(pWin->drawable.pScreen,
+ &pWin->borderSize, x, y, &box))
+#endif
+ )
+ {
+ if (spriteTraceGood >= spriteTraceSize)
+ {
+ spriteTraceSize += 10;
+ Must_have_memory = TRUE; /* XXX */
+ spriteTrace = (WindowPtr *)xrealloc(
+ spriteTrace, spriteTraceSize*sizeof(WindowPtr));
+ Must_have_memory = FALSE; /* XXX */
+ }
+ spriteTrace[spriteTraceGood++] = pWin;
+ pWin = pWin->firstChild;
+ }
+ else
+ pWin = pWin->nextSib;
+ }
+ return spriteTrace[spriteTraceGood-1];
+}
+
+static Bool
+#if NeedFunctionPrototypes
+CheckMotion(xEvent *xE)
+#else
+CheckMotion(xE)
+ xEvent *xE;
+#endif
+{
+ WindowPtr prevSpriteWin = sprite.win;
+
+ if (xE && !syncEvents.playingEvents)
+ {
+ if (sprite.hot.pScreen != sprite.hotPhys.pScreen)
+ {
+ sprite.hot.pScreen = sprite.hotPhys.pScreen;
+ ROOT = WindowTable[sprite.hot.pScreen->myNum];
+ }
+ sprite.hot.x = xE->u.keyButtonPointer.rootX;
+ sprite.hot.y = xE->u.keyButtonPointer.rootY;
+ if (sprite.hot.x < sprite.physLimits.x1)
+ sprite.hot.x = sprite.physLimits.x1;
+ else if (sprite.hot.x >= sprite.physLimits.x2)
+ sprite.hot.x = sprite.physLimits.x2 - 1;
+ if (sprite.hot.y < sprite.physLimits.y1)
+ sprite.hot.y = sprite.physLimits.y1;
+ else if (sprite.hot.y >= sprite.physLimits.y2)
+ sprite.hot.y = sprite.physLimits.y2 - 1;
+#ifdef SHAPE
+ if (sprite.hotShape)
+ ConfineToShape(sprite.hotShape, &sprite.hot.x, &sprite.hot.y);
+#endif
+ sprite.hotPhys = sprite.hot;
+ if ((sprite.hotPhys.x != xE->u.keyButtonPointer.rootX) ||
+ (sprite.hotPhys.y != xE->u.keyButtonPointer.rootY))
+ (*sprite.hotPhys.pScreen->SetCursorPosition)(
+ sprite.hotPhys.pScreen,
+ sprite.hotPhys.x, sprite.hotPhys.y, FALSE);
+ xE->u.keyButtonPointer.rootX = sprite.hot.x;
+ xE->u.keyButtonPointer.rootY = sprite.hot.y;
+ }
+
+ sprite.win = XYToWindow(sprite.hot.x, sprite.hot.y);
+#ifdef notyet
+ if (!(sprite.win->deliverableEvents &
+ Motion_Filter(inputInfo.pointer->button))
+ !syncEvents.playingEvents)
+ {
+ /* XXX Do PointerNonInterestBox here */
+ }
+#endif
+ if (sprite.win != prevSpriteWin)
+ {
+ if (prevSpriteWin != NullWindow) {
+ if (!xE)
+ UpdateCurrentTimeIf();
+ DoEnterLeaveEvents(prevSpriteWin, sprite.win, NotifyNormal);
+ }
+ PostNewCursor();
+ return FALSE;
+ }
+ return TRUE;
+}
+
+void
+WindowsRestructured()
+{
+ (void) CheckMotion((xEvent *)NULL);
+}
+
+void
+DefineInitialRootWindow(win)
+ register WindowPtr win;
+{
+ register ScreenPtr pScreen = win->drawable.pScreen;
+
+ sprite.hotPhys.pScreen = pScreen;
+ sprite.hotPhys.x = pScreen->width / 2;
+ sprite.hotPhys.y = pScreen->height / 2;
+ sprite.hot = sprite.hotPhys;
+ sprite.hotLimits.x2 = pScreen->width;
+ sprite.hotLimits.y2 = pScreen->height;
+ sprite.win = win;
+ sprite.current = wCursor (win);
+ spriteTraceGood = 1;
+ ROOT = win;
+ (*pScreen->CursorLimits) (
+ pScreen, sprite.current, &sprite.hotLimits, &sprite.physLimits);
+ sprite.confined = FALSE;
+ (*pScreen->ConstrainCursor) (pScreen, &sprite.physLimits);
+ (*pScreen->SetCursorPosition) (pScreen, sprite.hot.x, sprite.hot.y, FALSE);
+ (*pScreen->DisplayCursor) (pScreen, sprite.current);
+}
+
+/*
+ * This does not take any shortcuts, and even ignores its argument, since
+ * it does not happen very often, and one has to walk up the tree since
+ * this might be a newly instantiated cursor for an intermediate window
+ * between the one the pointer is in and the one that the last cursor was
+ * instantiated from.
+ */
+/*ARGSUSED*/
+void
+WindowHasNewCursor(pWin)
+ WindowPtr pWin;
+{
+ PostNewCursor();
+}
+
+void
+NewCurrentScreen(newScreen, x, y)
+ ScreenPtr newScreen;
+ int x,y;
+{
+ sprite.hotPhys.x = x;
+ sprite.hotPhys.y = y;
+ if (newScreen != sprite.hotPhys.pScreen)
+ ConfineCursorToWindow(WindowTable[newScreen->myNum], TRUE, FALSE);
+}
+
+int
+ProcWarpPointer(client)
+ ClientPtr client;
+{
+ WindowPtr dest = NULL;
+ int x, y;
+ ScreenPtr newScreen;
+
+ REQUEST(xWarpPointerReq);
+
+ REQUEST_SIZE_MATCH(xWarpPointerReq);
+ if (stuff->dstWid != None)
+ {
+ dest = SecurityLookupWindow(stuff->dstWid, client, SecurityReadAccess);
+ if (!dest)
+ return BadWindow;
+ }
+ x = sprite.hotPhys.x;
+ y = sprite.hotPhys.y;
+ if (stuff->srcWid != None)
+ {
+ int winX, winY;
+ WindowPtr source = SecurityLookupWindow(stuff->srcWid, client,
+ SecurityReadAccess);
+ if (!source)
+ return BadWindow;
+ winX = source->drawable.x;
+ winY = source->drawable.y;
+ if (source->drawable.pScreen != sprite.hotPhys.pScreen ||
+ x < winX + stuff->srcX ||
+ y < winY + stuff->srcY ||
+ (stuff->srcWidth != 0 &&
+ winX + stuff->srcX + (int)stuff->srcWidth < x) ||
+ (stuff->srcHeight != 0 &&
+ winY + stuff->srcY + (int)stuff->srcHeight < y) ||
+ !PointInWindowIsVisible(source, x, y))
+ return Success;
+ }
+ if (dest)
+ {
+ x = dest->drawable.x;
+ y = dest->drawable.y;
+ newScreen = dest->drawable.pScreen;
+ }
+ else
+ newScreen = sprite.hotPhys.pScreen;
+ x += stuff->dstX;
+ y += stuff->dstY;
+ if (x < 0)
+ x = 0;
+ else if (x >= newScreen->width)
+ x = newScreen->width - 1;
+ if (y < 0)
+ y = 0;
+ else if (y >= newScreen->height)
+ y = newScreen->height - 1;
+
+ if (newScreen == sprite.hotPhys.pScreen)
+ {
+ if (x < sprite.physLimits.x1)
+ x = sprite.physLimits.x1;
+ else if (x >= sprite.physLimits.x2)
+ x = sprite.physLimits.x2 - 1;
+ if (y < sprite.physLimits.y1)
+ y = sprite.physLimits.y1;
+ else if (y >= sprite.physLimits.y2)
+ y = sprite.physLimits.y2 - 1;
+#ifdef SHAPE
+ if (sprite.hotShape)
+ ConfineToShape(sprite.hotShape, &x, &y);
+#endif
+ (*newScreen->SetCursorPosition)(newScreen, x, y, TRUE);
+ }
+ else if (!PointerConfinedToScreen())
+ {
+ NewCurrentScreen(newScreen, x, y);
+ }
+ return Success;
+}
+
+/* "CheckPassiveGrabsOnWindow" checks to see if the event passed in causes a
+ passive grab set on the window to be activated. */
+
+static Bool
+#if NeedFunctionPrototypes
+CheckPassiveGrabsOnWindow(
+ WindowPtr pWin,
+ register DeviceIntPtr device,
+ register xEvent *xE,
+ int count)
+#else
+CheckPassiveGrabsOnWindow(pWin, device, xE, count)
+ WindowPtr pWin;
+ register DeviceIntPtr device;
+ register xEvent *xE;
+ int count;
+#endif
+{
+ register GrabPtr grab = wPassiveGrabs(pWin);
+ GrabRec tempGrab;
+ register xEvent *dxE;
+
+ if (!grab)
+ return FALSE;
+ tempGrab.window = pWin;
+ tempGrab.device = device;
+ tempGrab.type = xE->u.u.type;
+ tempGrab.detail.exact = xE->u.u.detail;
+ tempGrab.detail.pMask = NULL;
+ tempGrab.modifiersDetail.pMask = NULL;
+ for (; grab; grab = grab->next)
+ {
+#ifdef XKB
+ DeviceIntPtr gdev;
+ XkbSrvInfoPtr xkbi;
+
+ gdev= grab->modifierDevice;
+ xkbi= gdev->key->xkbInfo;
+#endif
+ tempGrab.modifierDevice = grab->modifierDevice;
+ if (device == grab->modifierDevice &&
+ (xE->u.u.type == KeyPress
+#ifdef XINPUT
+ || xE->u.u.type == DeviceKeyPress
+#endif
+ ))
+ tempGrab.modifiersDetail.exact =
+#ifdef XKB
+ (noXkbExtension?gdev->key->prev_state:xkbi->state.grab_mods);
+#else
+ grab->modifierDevice->key->prev_state;
+#endif
+ else
+ tempGrab.modifiersDetail.exact =
+#ifdef XKB
+ (noXkbExtension ? gdev->key->state : xkbi->state.grab_mods);
+#else
+ grab->modifierDevice->key->state;
+#endif
+ if (GrabMatchesSecond(&tempGrab, grab) &&
+ (!grab->confineTo ||
+ (grab->confineTo->realized &&
+ REGION_NOTEMPTY( grab->confineTo->drawable.pScreen,
+ &grab->confineTo->borderSize))))
+ {
+#ifdef XCSECURITY
+ if (!SecurityCheckDeviceAccess(wClient(pWin), device, FALSE))
+ return FALSE;
+#endif
+#ifdef XKB
+ if (!noXkbExtension) {
+ xE->u.keyButtonPointer.state &= 0x1f00;
+ xE->u.keyButtonPointer.state |=
+ tempGrab.modifiersDetail.exact&(~0x1f00);
+ }
+#endif
+ (*device->ActivateGrab)(device, grab, currentTime, TRUE);
+
+ FixUpEventFromWindow(xE, grab->window, None, TRUE);
+
+ (void) TryClientEvents(rClient(grab), xE, count,
+ filters[xE->u.u.type],
+ filters[xE->u.u.type], grab);
+
+ if (device->sync.state == FROZEN_NO_EVENT)
+ {
+ if (device->sync.evcount < count)
+ {
+ Must_have_memory = TRUE; /* XXX */
+ device->sync.event = (xEvent *)xrealloc(device->sync.event,
+ count*
+ sizeof(xEvent));
+ Must_have_memory = FALSE; /* XXX */
+ }
+ device->sync.evcount = count;
+ for (dxE = device->sync.event; --count >= 0; dxE++, xE++)
+ *dxE = *xE;
+ device->sync.state = FROZEN_WITH_EVENT;
+ }
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+/*
+"CheckDeviceGrabs" handles both keyboard and pointer events that may cause
+a passive grab to be activated. If the event is a keyboard event, the
+ancestors of the focus window are traced down and tried to see if they have
+any passive grabs to be activated. If the focus window itself is reached and
+it's descendants contain they pointer, the ancestors of the window that the
+pointer is in are then traced down starting at the focus window, otherwise no
+grabs are activated. If the event is a pointer event, the ancestors of the
+window that the pointer is in are traced down starting at the root until
+CheckPassiveGrabs causes a passive grab to activate or all the windows are
+tried. PRH
+*/
+
+Bool
+CheckDeviceGrabs(device, xE, checkFirst, count)
+ register DeviceIntPtr device;
+ register xEvent *xE;
+ int checkFirst;
+ int count;
+{
+ register int i;
+ register WindowPtr pWin;
+ register FocusClassPtr focus = device->focus;
+
+ if ((xE->u.u.type == ButtonPress
+#ifdef XINPUT
+ || xE->u.u.type == DeviceButtonPress
+#endif
+ ) && device->button->buttonsDown != 1)
+ return FALSE;
+
+ i = checkFirst;
+
+ if (focus)
+ {
+ for (; i < focus->traceGood; i++)
+ {
+ pWin = focus->trace[i];
+ if (pWin->optional &&
+ CheckPassiveGrabsOnWindow(pWin, device, xE, count))
+ return TRUE;
+ }
+
+ if ((focus->win == NoneWin) ||
+ (i >= spriteTraceGood) ||
+ ((i > checkFirst) && (pWin != spriteTrace[i-1])))
+ return FALSE;
+ }
+
+ for (; i < spriteTraceGood; i++)
+ {
+ pWin = spriteTrace[i];
+ if (pWin->optional &&
+ CheckPassiveGrabsOnWindow(pWin, device, xE, count))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+void
+DeliverFocusedEvent(keybd, xE, window, count)
+ xEvent *xE;
+ DeviceIntPtr keybd;
+ WindowPtr window;
+ int count;
+{
+ WindowPtr focus = keybd->focus->win;
+ int mskidx = 0;
+
+ if (focus == FollowKeyboardWin)
+ focus = inputInfo.keyboard->focus->win;
+ if (!focus)
+ return;
+ if (focus == PointerRootWin)
+ {
+ DeliverDeviceEvents(window, xE, NullGrab, NullWindow, keybd, count);
+ return;
+ }
+ if ((focus == window) || IsParent(focus, window))
+ {
+ if (DeliverDeviceEvents(window, xE, NullGrab, focus, keybd, count))
+ return;
+ }
+ /* just deliver it to the focus window */
+ FixUpEventFromWindow(xE, focus, None, FALSE);
+ if (xE->u.u.type & EXTENSION_EVENT_BASE)
+ mskidx = keybd->id;
+ (void)DeliverEventsToWindow(focus, xE, count, filters[xE->u.u.type],
+ NullGrab, mskidx);
+}
+
+void
+DeliverGrabbedEvent(xE, thisDev, deactivateGrab, count)
+ register xEvent *xE;
+ register DeviceIntPtr thisDev;
+ Bool deactivateGrab;
+ int count;
+{
+ register GrabPtr grab = thisDev->grab;
+ int deliveries = 0;
+ register DeviceIntPtr dev;
+ register xEvent *dxE;
+
+ if (grab->ownerEvents)
+ {
+ WindowPtr focus;
+
+ if (thisDev->focus)
+ {
+ focus = thisDev->focus->win;
+ if (focus == FollowKeyboardWin)
+ focus = inputInfo.keyboard->focus->win;
+ }
+ else
+ focus = PointerRootWin;
+ if (focus == PointerRootWin)
+ deliveries = DeliverDeviceEvents(sprite.win, xE, grab, NullWindow,
+ thisDev, count);
+ else if (focus && (focus == sprite.win || IsParent(focus, sprite.win)))
+ deliveries = DeliverDeviceEvents(sprite.win, xE, grab, focus,
+ thisDev, count);
+ else if (focus)
+ deliveries = DeliverDeviceEvents(focus, xE, grab, focus,
+ thisDev, count);
+ }
+ if (!deliveries)
+ {
+ FixUpEventFromWindow(xE, grab->window, None, TRUE);
+ deliveries = TryClientEvents(rClient(grab), xE, count,
+ (Mask)grab->eventMask,
+ filters[xE->u.u.type], grab);
+ if (deliveries && (xE->u.u.type == MotionNotify
+#ifdef XINPUT
+ || xE->u.u.type == DeviceMotionNotify
+#endif
+ ))
+ thisDev->valuator->motionHintWindow = grab->window;
+ }
+ if (deliveries && !deactivateGrab && (xE->u.u.type != MotionNotify
+#ifdef XINPUT
+ && xE->u.u.type != DeviceMotionNotify
+#endif
+ ))
+ switch (thisDev->sync.state)
+ {
+ case FREEZE_BOTH_NEXT_EVENT:
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev == thisDev)
+ continue;
+ FreezeThaw(dev, TRUE);
+ if ((dev->sync.state == FREEZE_BOTH_NEXT_EVENT) &&
+ (CLIENT_BITS(dev->grab->resource) ==
+ CLIENT_BITS(thisDev->grab->resource)))
+ dev->sync.state = FROZEN_NO_EVENT;
+ else
+ dev->sync.other = thisDev->grab;
+ }
+ /* fall through */
+ case FREEZE_NEXT_EVENT:
+ thisDev->sync.state = FROZEN_WITH_EVENT;
+ FreezeThaw(thisDev, TRUE);
+ if (thisDev->sync.evcount < count)
+ {
+ Must_have_memory = TRUE; /* XXX */
+ thisDev->sync.event = (xEvent *)xrealloc(thisDev->sync.event,
+ count*sizeof(xEvent));
+ Must_have_memory = FALSE; /* XXX */
+ }
+ thisDev->sync.evcount = count;
+ for (dxE = thisDev->sync.event; --count >= 0; dxE++, xE++)
+ *dxE = *xE;
+ break;
+ }
+}
+
+void
+#ifdef XKB
+CoreProcessKeyboardEvent (xE, keybd, count)
+#else
+ProcessKeyboardEvent (xE, keybd, count)
+#endif
+ register xEvent *xE;
+ register DeviceIntPtr keybd;
+ int count;
+{
+ int key, bit;
+ register BYTE *kptr;
+ register int i;
+ register CARD8 modifiers;
+ register CARD16 mask;
+ GrabPtr grab = keybd->grab;
+ Bool deactivateGrab = FALSE;
+ register KeyClassPtr keyc = keybd->key;
+
+ if (!syncEvents.playingEvents)
+ {
+ NoticeTime(xE);
+ if (DeviceEventCallback)
+ {
+ DeviceEventInfoRec eventinfo;
+ eventinfo.events = xE;
+ eventinfo.count = count;
+ CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
+ }
+ }
+ xE->u.keyButtonPointer.state = (keyc->state |
+ inputInfo.pointer->button->state);
+ xE->u.keyButtonPointer.rootX = sprite.hot.x;
+ xE->u.keyButtonPointer.rootY = sprite.hot.y;
+ key = xE->u.u.detail;
+ kptr = &keyc->down[key >> 3];
+ bit = 1 << (key & 7);
+ modifiers = keyc->modifierMap[key];
+#ifdef DEBUG
+ if ((xkbDebugFlags&0x4)&&
+ ((xE->u.u.type==KeyPress)||(xE->u.u.type==KeyRelease))) {
+ ErrorF("CoreProcessKbdEvent: Key %d %s\n",key,
+ (xE->u.u.type==KeyPress?"down":"up"));
+ }
+#endif
+ switch (xE->u.u.type)
+ {
+ case KeyPress:
+ if (*kptr & bit) /* allow ddx to generate multiple downs */
+ {
+ if (!modifiers)
+ {
+ xE->u.u.type = KeyRelease;
+ (*keybd->public.processInputProc)(xE, keybd, count);
+ xE->u.u.type = KeyPress;
+ /* release can have side effects, don't fall through */
+ (*keybd->public.processInputProc)(xE, keybd, count);
+ }
+ return;
+ }
+ inputInfo.pointer->valuator->motionHintWindow = NullWindow;
+ *kptr |= bit;
+ keyc->prev_state = keyc->state;
+ for (i = 0, mask = 1; modifiers; i++, mask <<= 1)
+ {
+ if (mask & modifiers)
+ {
+ /* This key affects modifier "i" */
+ keyc->modifierKeyCount[i]++;
+ keyc->state |= mask;
+ modifiers &= ~mask;
+ }
+ }
+ if (!grab && CheckDeviceGrabs(keybd, xE, 0, count))
+ {
+ keybd->activatingKey = key;
+ return;
+ }
+ break;
+ case KeyRelease:
+ if (!(*kptr & bit)) /* guard against duplicates */
+ return;
+ inputInfo.pointer->valuator->motionHintWindow = NullWindow;
+ *kptr &= ~bit;
+ keyc->prev_state = keyc->state;
+ for (i = 0, mask = 1; modifiers; i++, mask <<= 1)
+ {
+ if (mask & modifiers) {
+ /* This key affects modifier "i" */
+ if (--keyc->modifierKeyCount[i] <= 0) {
+ keyc->state &= ~mask;
+ keyc->modifierKeyCount[i] = 0;
+ }
+ modifiers &= ~mask;
+ }
+ }
+ if (keybd->fromPassiveGrab && (key == keybd->activatingKey))
+ deactivateGrab = TRUE;
+ break;
+ default:
+ FatalError("Impossible keyboard event");
+ }
+ if (grab)
+ DeliverGrabbedEvent(xE, keybd, deactivateGrab, count);
+ else
+ DeliverFocusedEvent(keybd, xE, sprite.win, count);
+ if (deactivateGrab)
+ (*keybd->DeactivateGrab)(keybd);
+}
+
+void
+#ifdef XKB
+CoreProcessPointerEvent (xE, mouse, count)
+#else
+ProcessPointerEvent (xE, mouse, count)
+#endif
+ register xEvent *xE;
+ register DeviceIntPtr mouse;
+ int count;
+{
+ register GrabPtr grab = mouse->grab;
+ Bool deactivateGrab = FALSE;
+ register ButtonClassPtr butc = mouse->button;
+#ifdef XKB
+ XkbSrvInfoPtr xkbi= inputInfo.keyboard->key->xkbInfo;
+#endif
+
+ if (!syncEvents.playingEvents)
+ NoticeTime(xE)
+ xE->u.keyButtonPointer.state = (butc->state | (
+#ifdef XKB
+ (noXkbExtension ?
+ inputInfo.keyboard->key->state :
+ xkbi->state.grab_mods)
+#else
+ inputInfo.keyboard->key->state
+#endif
+ ));
+ {
+ NoticeTime(xE);
+ if (DeviceEventCallback)
+ {
+ DeviceEventInfoRec eventinfo;
+ /* see comment in EnqueueEvents regarding the next three lines */
+ if (xE->u.u.type == MotionNotify)
+ xE->u.keyButtonPointer.root =
+ WindowTable[sprite.hotPhys.pScreen->myNum]->drawable.id;
+ eventinfo.events = xE;
+ eventinfo.count = count;
+ CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
+ }
+ }
+ if (xE->u.u.type != MotionNotify)
+ {
+ register int key;
+ register BYTE *kptr;
+ int bit;
+
+ xE->u.keyButtonPointer.rootX = sprite.hot.x;
+ xE->u.keyButtonPointer.rootY = sprite.hot.y;
+ key = xE->u.u.detail;
+ kptr = &butc->down[key >> 3];
+ bit = 1 << (key & 7);
+ switch (xE->u.u.type)
+ {
+ case ButtonPress:
+ mouse->valuator->motionHintWindow = NullWindow;
+ butc->buttonsDown++;
+ butc->motionMask = ButtonMotionMask;
+ *kptr |= bit;
+ xE->u.u.detail = butc->map[key];
+ if (xE->u.u.detail == 0)
+ return;
+ if (xE->u.u.detail <= 5)
+ butc->state |= (Button1Mask >> 1) << xE->u.u.detail;
+ filters[MotionNotify] = Motion_Filter(butc);
+ if (!grab)
+ if (CheckDeviceGrabs(mouse, xE, 0, count))
+ return;
+ break;
+ case ButtonRelease:
+ mouse->valuator->motionHintWindow = NullWindow;
+ if (!--butc->buttonsDown)
+ butc->motionMask = 0;
+ *kptr &= ~bit;
+ xE->u.u.detail = butc->map[key];
+ if (xE->u.u.detail == 0)
+ return;
+ if (xE->u.u.detail <= 5)
+ butc->state &= ~((Button1Mask >> 1) << xE->u.u.detail);
+ filters[MotionNotify] = Motion_Filter(butc);
+ if (!butc->state && mouse->fromPassiveGrab)
+ deactivateGrab = TRUE;
+ break;
+ default:
+ FatalError("bogus pointer event from ddx");
+ }
+ }
+ else if (!CheckMotion(xE))
+ return;
+ if (grab)
+ DeliverGrabbedEvent(xE, mouse, deactivateGrab, count);
+ else
+ DeliverDeviceEvents(sprite.win, xE, NullGrab, NullWindow,
+ mouse, count);
+ if (deactivateGrab)
+ (*mouse->DeactivateGrab)(mouse);
+}
+
+#define AtMostOneClient \
+ (SubstructureRedirectMask | ResizeRedirectMask | ButtonPressMask)
+
+void
+RecalculateDeliverableEvents(pWin)
+ register WindowPtr pWin;
+{
+ register OtherClients *others;
+ register WindowPtr pChild;
+
+ pChild = pWin;
+ while (1)
+ {
+ if (pChild->optional)
+ {
+ pChild->optional->otherEventMasks = 0;
+ for (others = wOtherClients(pChild); others; others = others->next)
+ {
+ pChild->optional->otherEventMasks |= others->mask;
+ }
+ }
+ pChild->deliverableEvents = pChild->eventMask|
+ wOtherEventMasks(pChild);
+ if (pChild->parent)
+ pChild->deliverableEvents |=
+ (pChild->parent->deliverableEvents &
+ ~wDontPropagateMask(pChild) & PropagateMask);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+}
+
+int
+OtherClientGone(value, id)
+ pointer value; /* must conform to DeleteType */
+ XID id;
+{
+ register OtherClientsPtr other, prev;
+ register WindowPtr pWin = (WindowPtr)value;
+
+ prev = 0;
+ for (other = wOtherClients(pWin); other; other = other->next)
+ {
+ if (other->resource == id)
+ {
+ if (prev)
+ prev->next = other->next;
+ else
+ {
+ if (!(pWin->optional->otherClients = other->next))
+ CheckWindowOptionalNeed (pWin);
+ }
+ xfree(other);
+ RecalculateDeliverableEvents(pWin);
+ return(Success);
+ }
+ prev = other;
+ }
+ FatalError("client not on event list");
+ /*NOTREACHED*/
+ return -1; /* make compiler happy */
+}
+
+int
+EventSelectForWindow(pWin, client, mask)
+ register WindowPtr pWin;
+ register ClientPtr client;
+ Mask mask;
+{
+ Mask check;
+ OtherClients * others;
+
+ if (mask & ~AllEventMasks)
+ {
+ client->errorValue = mask;
+ return BadValue;
+ }
+ check = (mask & AtMostOneClient);
+ if (check & (pWin->eventMask|wOtherEventMasks(pWin)))
+ { /* It is illegal for two different
+ clients to select on any of the
+ events for AtMostOneClient. However,
+ it is OK, for some client to
+ continue selecting on one of those
+ events. */
+ if ((wClient(pWin) != client) && (check & pWin->eventMask))
+ return BadAccess;
+ for (others = wOtherClients (pWin); others; others = others->next)
+ {
+ if (!SameClient(others, client) && (check & others->mask))
+ return BadAccess;
+ }
+ }
+ if (wClient (pWin) == client)
+ {
+ check = pWin->eventMask;
+#if SGIMISC
+ pWin->eventMask =
+ (mask & ~SGIMiscSpecialDestroyMask) | (pWin->eventMask & SGIMiscSpecialDestroyMask);
+#else
+ pWin->eventMask = mask;
+#endif
+ }
+ else
+ {
+ for (others = wOtherClients (pWin); others; others = others->next)
+ {
+ if (SameClient(others, client))
+ {
+ check = others->mask;
+#if SGIMISC
+ mask = (mask & ~SGIMiscSpecialDestroyMask) | (others->mask & SGIMiscSpecialDestroyMask);
+#endif
+ if (mask == 0)
+ {
+ FreeResource(others->resource, RT_NONE);
+ return Success;
+ }
+ else
+ others->mask = mask;
+ goto maskSet;
+ }
+ }
+ check = 0;
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ return BadAlloc;
+ others = (OtherClients *) xalloc(sizeof(OtherClients));
+ if (!others)
+ return BadAlloc;
+ others->mask = mask;
+ others->resource = FakeClientID(client->index);
+ others->next = pWin->optional->otherClients;
+ pWin->optional->otherClients = others;
+ if (!AddResource(others->resource, RT_OTHERCLIENT, (pointer)pWin))
+ return BadAlloc;
+ }
+maskSet:
+ if ((inputInfo.pointer->valuator->motionHintWindow == pWin) &&
+ (mask & PointerMotionHintMask) &&
+ !(check & PointerMotionHintMask) &&
+ !inputInfo.pointer->grab)
+ inputInfo.pointer->valuator->motionHintWindow = NullWindow;
+ RecalculateDeliverableEvents(pWin);
+ return Success;
+}
+
+/*ARGSUSED*/
+int
+EventSuppressForWindow(pWin, client, mask, checkOptional)
+ register WindowPtr pWin;
+ register ClientPtr client;
+ Mask mask;
+ Bool *checkOptional;
+{
+ register int i, free;
+
+ if ((mask & ~PropagateMask) && !permitOldBugs)
+ {
+ client->errorValue = mask;
+ return BadValue;
+ }
+ if (pWin->dontPropagate)
+ DontPropagateRefCnts[pWin->dontPropagate]--;
+ if (!mask)
+ i = 0;
+ else
+ {
+ for (i = DNPMCOUNT, free = 0; --i > 0; )
+ {
+ if (!DontPropagateRefCnts[i])
+ free = i;
+ else if (mask == DontPropagateMasks[i])
+ break;
+ }
+ if (!i && free)
+ {
+ i = free;
+ DontPropagateMasks[i] = mask;
+ }
+ }
+ if (i || !mask)
+ {
+ pWin->dontPropagate = i;
+ if (i)
+ DontPropagateRefCnts[i]++;
+ if (pWin->optional)
+ {
+ pWin->optional->dontPropagateMask = mask;
+ *checkOptional = TRUE;
+ }
+ }
+ else
+ {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ {
+ if (pWin->dontPropagate)
+ DontPropagateRefCnts[pWin->dontPropagate]++;
+ return BadAlloc;
+ }
+ pWin->dontPropagate = 0;
+ pWin->optional->dontPropagateMask = mask;
+ }
+ RecalculateDeliverableEvents(pWin);
+ return Success;
+}
+
+static WindowPtr
+#if NeedFunctionPrototypes
+CommonAncestor(
+ register WindowPtr a,
+ register WindowPtr b)
+#else
+CommonAncestor(a, b)
+ register WindowPtr a, b;
+#endif
+{
+ for (b = b->parent; b; b = b->parent)
+ if (IsParent(b, a)) return b;
+ return NullWindow;
+}
+
+static void
+#if NeedFunctionPrototypes
+EnterLeaveEvent(
+ int type,
+ int mode,
+ int detail,
+ register WindowPtr pWin,
+ Window child)
+#else
+EnterLeaveEvent(type, mode, detail, pWin, child)
+ int type, mode, detail;
+ register WindowPtr pWin;
+ Window child;
+#endif
+{
+ xEvent event;
+ register DeviceIntPtr keybd = inputInfo.keyboard;
+ WindowPtr focus;
+ register DeviceIntPtr mouse = inputInfo.pointer;
+ register GrabPtr grab = mouse->grab;
+ Mask mask;
+
+ if ((pWin == mouse->valuator->motionHintWindow) &&
+ (detail != NotifyInferior))
+ mouse->valuator->motionHintWindow = NullWindow;
+ if (grab)
+ {
+ mask = (pWin == grab->window) ? grab->eventMask : 0;
+ if (grab->ownerEvents)
+ mask |= EventMaskForClient(pWin, rClient(grab));
+ }
+ else
+ {
+ mask = pWin->eventMask | wOtherEventMasks(pWin);
+ }
+ if (mask & filters[type])
+ {
+ event.u.u.type = type;
+ event.u.u.detail = detail;
+ event.u.enterLeave.time = currentTime.milliseconds;
+ event.u.enterLeave.rootX = sprite.hot.x;
+ event.u.enterLeave.rootY = sprite.hot.y;
+ /* Counts on the same initial structure of crossing & button events! */
+ FixUpEventFromWindow(&event, pWin, None, FALSE);
+ /* Enter/Leave events always set child */
+ event.u.enterLeave.child = child;
+ event.u.enterLeave.flags = event.u.keyButtonPointer.sameScreen ?
+ ELFlagSameScreen : 0;
+#ifdef XKB
+ if (!noXkbExtension) {
+ event.u.enterLeave.state = mouse->button->state & 0x1f00;
+ event.u.enterLeave.state |=
+ XkbGrabStateFromRec(&keybd->key->xkbInfo->state);
+ } else
+#endif
+ event.u.enterLeave.state = keybd->key->state | mouse->button->state;
+ event.u.enterLeave.mode = mode;
+ focus = keybd->focus->win;
+ if ((focus != NoneWin) &&
+ ((pWin == focus) || (focus == PointerRootWin) ||
+ IsParent(focus, pWin)))
+ event.u.enterLeave.flags |= ELFlagFocus;
+ if (grab)
+ (void)TryClientEvents(rClient(grab), &event, 1, mask,
+ filters[type], grab);
+ else
+ (void)DeliverEventsToWindow(pWin, &event, 1, filters[type],
+ NullGrab, 0);
+ }
+ if ((type == EnterNotify) && (mask & KeymapStateMask))
+ {
+ xKeymapEvent ke;
+
+#ifdef XCSECURITY
+ ClientPtr client = grab ? rClient(grab)
+ : clients[CLIENT_ID(pWin->drawable.id)];
+ if (!SecurityCheckDeviceAccess(client, keybd, FALSE))
+ {
+ bzero((char *)&ke.map[0], 31);
+ }
+ else
+#endif
+ memmove((char *)&ke.map[0], (char *)&keybd->key->down[1], 31);
+ ke.type = KeymapNotify;
+ if (grab)
+ (void)TryClientEvents(rClient(grab), (xEvent *)&ke, 1, mask,
+ KeymapStateMask, grab);
+ else
+ (void)DeliverEventsToWindow(pWin, (xEvent *)&ke, 1,
+ KeymapStateMask, NullGrab, 0);
+ }
+}
+
+static void
+#if NeedFunctionPrototypes
+EnterNotifies(WindowPtr ancestor, WindowPtr child, int mode, int detail)
+#else
+EnterNotifies(ancestor, child, mode, detail)
+ WindowPtr ancestor, child;
+ int mode, detail;
+#endif
+{
+ WindowPtr parent = child->parent;
+
+ if (ancestor == parent)
+ return;
+ EnterNotifies(ancestor, parent, mode, detail);
+ EnterLeaveEvent(EnterNotify, mode, detail, parent, child->drawable.id);
+}
+
+static void
+#if NeedFunctionPrototypes
+LeaveNotifies(WindowPtr child, WindowPtr ancestor, int mode, int detail)
+#else
+LeaveNotifies(child, ancestor, mode, detail)
+ WindowPtr child, ancestor;
+ int detail, mode;
+#endif
+{
+ register WindowPtr pWin;
+
+ if (ancestor == child)
+ return;
+ for (pWin = child->parent; pWin != ancestor; pWin = pWin->parent)
+ {
+ EnterLeaveEvent(LeaveNotify, mode, detail, pWin, child->drawable.id);
+ child = pWin;
+ }
+}
+
+static void
+#if NeedFunctionPrototypes
+DoEnterLeaveEvents(WindowPtr fromWin, WindowPtr toWin, int mode)
+#else
+DoEnterLeaveEvents(fromWin, toWin, mode)
+ WindowPtr fromWin, toWin;
+ int mode;
+#endif
+{
+ if (fromWin == toWin)
+ return;
+ if (IsParent(fromWin, toWin))
+ {
+ EnterLeaveEvent(LeaveNotify, mode, NotifyInferior, fromWin, None);
+ EnterNotifies(fromWin, toWin, mode, NotifyVirtual);
+ EnterLeaveEvent(EnterNotify, mode, NotifyAncestor, toWin, None);
+ }
+ else if (IsParent(toWin, fromWin))
+ {
+ EnterLeaveEvent(LeaveNotify, mode, NotifyAncestor, fromWin, None);
+ LeaveNotifies(fromWin, toWin, mode, NotifyVirtual);
+ EnterLeaveEvent(EnterNotify, mode, NotifyInferior, toWin, None);
+ }
+ else
+ { /* neither fromWin nor toWin is descendent of the other */
+ WindowPtr common = CommonAncestor(toWin, fromWin);
+ /* common == NullWindow ==> different screens */
+ EnterLeaveEvent(LeaveNotify, mode, NotifyNonlinear, fromWin, None);
+ LeaveNotifies(fromWin, common, mode, NotifyNonlinearVirtual);
+ EnterNotifies(common, toWin, mode, NotifyNonlinearVirtual);
+ EnterLeaveEvent(EnterNotify, mode, NotifyNonlinear, toWin, None);
+ }
+}
+
+static void
+#if NeedFunctionPrototypes
+FocusEvent(DeviceIntPtr dev, int type, int mode, int detail, register WindowPtr pWin)
+#else
+FocusEvent(dev, type, mode, detail, pWin)
+ DeviceIntPtr dev;
+ int type, mode, detail;
+ register WindowPtr pWin;
+#endif
+{
+ xEvent event;
+
+#ifdef XINPUT
+ if (dev != inputInfo.keyboard)
+ {
+ DeviceFocusEvent(dev, type, mode, detail, pWin);
+ return;
+ }
+#endif
+ event.u.focus.mode = mode;
+ event.u.u.type = type;
+ event.u.u.detail = detail;
+ event.u.focus.window = pWin->drawable.id;
+ (void)DeliverEventsToWindow(pWin, &event, 1, filters[type], NullGrab,
+ 0);
+ if ((type == FocusIn) &&
+ ((pWin->eventMask | wOtherEventMasks(pWin)) & KeymapStateMask))
+ {
+ xKeymapEvent ke;
+#ifdef XCSECURITY
+ ClientPtr client = clients[CLIENT_ID(pWin->drawable.id)];
+ if (!SecurityCheckDeviceAccess(client, dev, FALSE))
+ {
+ bzero((char *)&ke.map[0], 31);
+ }
+ else
+#endif
+ memmove((char *)&ke.map[0], (char *)&dev->key->down[1], 31);
+ ke.type = KeymapNotify;
+ (void)DeliverEventsToWindow(pWin, (xEvent *)&ke, 1,
+ KeymapStateMask, NullGrab, 0);
+ }
+}
+
+ /*
+ * recursive because it is easier
+ * no-op if child not descended from ancestor
+ */
+static Bool
+#if NeedFunctionPrototypes
+FocusInEvents(
+ DeviceIntPtr dev,
+ WindowPtr ancestor, WindowPtr child, WindowPtr skipChild,
+ int mode, int detail,
+ Bool doAncestor)
+#else
+FocusInEvents(dev, ancestor, child, skipChild, mode, detail, doAncestor)
+ DeviceIntPtr dev;
+ WindowPtr ancestor, child, skipChild;
+ int mode, detail;
+ Bool doAncestor;
+#endif
+{
+ if (child == NullWindow)
+ return ancestor == NullWindow;
+ if (ancestor == child)
+ {
+ if (doAncestor)
+ FocusEvent(dev, FocusIn, mode, detail, child);
+ return TRUE;
+ }
+ if (FocusInEvents(dev, ancestor, child->parent, skipChild, mode, detail,
+ doAncestor))
+ {
+ if (child != skipChild)
+ FocusEvent(dev, FocusIn, mode, detail, child);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/* dies horribly if ancestor is not an ancestor of child */
+static void
+#if NeedFunctionPrototypes
+FocusOutEvents(
+ DeviceIntPtr dev,
+ WindowPtr child, WindowPtr ancestor,
+ int mode, int detail,
+ Bool doAncestor)
+#else
+FocusOutEvents(dev, child, ancestor, mode, detail, doAncestor)
+ DeviceIntPtr dev;
+ WindowPtr child, ancestor;
+ int mode;
+ int detail;
+ Bool doAncestor;
+#endif
+{
+ register WindowPtr pWin;
+
+ for (pWin = child; pWin != ancestor; pWin = pWin->parent)
+ FocusEvent(dev, FocusOut, mode, detail, pWin);
+ if (doAncestor)
+ FocusEvent(dev, FocusOut, mode, detail, ancestor);
+}
+
+void
+DoFocusEvents(dev, fromWin, toWin, mode)
+ DeviceIntPtr dev;
+ WindowPtr fromWin, toWin;
+ int mode;
+{
+ int out, in; /* for holding details for to/from
+ PointerRoot/None */
+ int i;
+
+ if (fromWin == toWin)
+ return;
+ out = (fromWin == NoneWin) ? NotifyDetailNone : NotifyPointerRoot;
+ in = (toWin == NoneWin) ? NotifyDetailNone : NotifyPointerRoot;
+ /* wrong values if neither, but then not referenced */
+
+ if ((toWin == NullWindow) || (toWin == PointerRootWin))
+ {
+ if ((fromWin == NullWindow) || (fromWin == PointerRootWin))
+ {
+ if (fromWin == PointerRootWin)
+ FocusOutEvents(dev, sprite.win, ROOT, mode, NotifyPointer,
+ TRUE);
+ /* Notify all the roots */
+ for (i=0; i<screenInfo.numScreens; i++)
+ FocusEvent(dev, FocusOut, mode, out, WindowTable[i]);
+ }
+ else
+ {
+ if (IsParent(fromWin, sprite.win))
+ FocusOutEvents(dev, sprite.win, fromWin, mode, NotifyPointer,
+ FALSE);
+ FocusEvent(dev, FocusOut, mode, NotifyNonlinear, fromWin);
+ /* next call catches the root too, if the screen changed */
+ FocusOutEvents(dev, fromWin->parent, NullWindow, mode,
+ NotifyNonlinearVirtual, FALSE);
+ }
+ /* Notify all the roots */
+ for (i=0; i<screenInfo.numScreens; i++)
+ FocusEvent(dev, FocusIn, mode, in, WindowTable[i]);
+ if (toWin == PointerRootWin)
+ (void)FocusInEvents(dev, ROOT, sprite.win, NullWindow, mode,
+ NotifyPointer, TRUE);
+ }
+ else
+ {
+ if ((fromWin == NullWindow) || (fromWin == PointerRootWin))
+ {
+ if (fromWin == PointerRootWin)
+ FocusOutEvents(dev, sprite.win, ROOT, mode, NotifyPointer,
+ TRUE);
+ for (i=0; i<screenInfo.numScreens; i++)
+ FocusEvent(dev, FocusOut, mode, out, WindowTable[i]);
+ if (toWin->parent != NullWindow)
+ (void)FocusInEvents(dev, ROOT, toWin, toWin, mode,
+ NotifyNonlinearVirtual, TRUE);
+ FocusEvent(dev, FocusIn, mode, NotifyNonlinear, toWin);
+ if (IsParent(toWin, sprite.win))
+ (void)FocusInEvents(dev, toWin, sprite.win, NullWindow, mode,
+ NotifyPointer, FALSE);
+ }
+ else
+ {
+ if (IsParent(toWin, fromWin))
+ {
+ FocusEvent(dev, FocusOut, mode, NotifyAncestor, fromWin);
+ FocusOutEvents(dev, fromWin->parent, toWin, mode,
+ NotifyVirtual, FALSE);
+ FocusEvent(dev, FocusIn, mode, NotifyInferior, toWin);
+ if ((IsParent(toWin, sprite.win)) &&
+ (sprite.win != fromWin) &&
+ (!IsParent(fromWin, sprite.win)) &&
+ (!IsParent(sprite.win, fromWin)))
+ (void)FocusInEvents(dev, toWin, sprite.win, NullWindow,
+ mode, NotifyPointer, FALSE);
+ }
+ else
+ if (IsParent(fromWin, toWin))
+ {
+ if ((IsParent(fromWin, sprite.win)) &&
+ (sprite.win != fromWin) &&
+ (!IsParent(toWin, sprite.win)) &&
+ (!IsParent(sprite.win, toWin)))
+ FocusOutEvents(dev, sprite.win, fromWin, mode,
+ NotifyPointer, FALSE);
+ FocusEvent(dev, FocusOut, mode, NotifyInferior, fromWin);
+ (void)FocusInEvents(dev, fromWin, toWin, toWin, mode,
+ NotifyVirtual, FALSE);
+ FocusEvent(dev, FocusIn, mode, NotifyAncestor, toWin);
+ }
+ else
+ {
+ /* neither fromWin or toWin is child of other */
+ WindowPtr common = CommonAncestor(toWin, fromWin);
+ /* common == NullWindow ==> different screens */
+ if (IsParent(fromWin, sprite.win))
+ FocusOutEvents(dev, sprite.win, fromWin, mode,
+ NotifyPointer, FALSE);
+ FocusEvent(dev, FocusOut, mode, NotifyNonlinear, fromWin);
+ if (fromWin->parent != NullWindow)
+ FocusOutEvents(dev, fromWin->parent, common, mode,
+ NotifyNonlinearVirtual, FALSE);
+ if (toWin->parent != NullWindow)
+ (void)FocusInEvents(dev, common, toWin, toWin, mode,
+ NotifyNonlinearVirtual, FALSE);
+ FocusEvent(dev, FocusIn, mode, NotifyNonlinear, toWin);
+ if (IsParent(toWin, sprite.win))
+ (void)FocusInEvents(dev, toWin, sprite.win, NullWindow,
+ mode, NotifyPointer, FALSE);
+ }
+ }
+ }
+}
+
+int
+#if NeedFunctionPrototypes
+SetInputFocus(
+ ClientPtr client,
+ DeviceIntPtr dev,
+ Window focusID,
+ CARD8 revertTo,
+ Time ctime,
+ Bool followOK)
+#else
+SetInputFocus(client, dev, focusID, revertTo, ctime, followOK)
+ ClientPtr client;
+ DeviceIntPtr dev;
+ Window focusID;
+ CARD8 revertTo;
+ Time ctime;
+ Bool followOK;
+#endif
+{
+ register FocusClassPtr focus;
+ register WindowPtr focusWin;
+ int mode;
+ TimeStamp time;
+
+ UpdateCurrentTime();
+ if ((revertTo != RevertToParent) &&
+ (revertTo != RevertToPointerRoot) &&
+ (revertTo != RevertToNone) &&
+ ((revertTo != RevertToFollowKeyboard) || !followOK))
+ {
+ client->errorValue = revertTo;
+ return BadValue;
+ }
+ time = ClientTimeToServerTime(ctime);
+ if ((focusID == None) || (focusID == PointerRoot))
+ focusWin = (WindowPtr)focusID;
+ else if ((focusID == FollowKeyboard) && followOK)
+ focusWin = inputInfo.keyboard->focus->win;
+ else if (!(focusWin = SecurityLookupWindow(focusID, client,
+ SecurityReadAccess)))
+ return BadWindow;
+ else
+ {
+ /* It is a match error to try to set the input focus to an
+ unviewable window. */
+
+ if(!focusWin->realized)
+ return(BadMatch);
+ }
+ focus = dev->focus;
+ if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, focus->time) == EARLIER))
+ return Success;
+ mode = (dev->grab) ? NotifyWhileGrabbed : NotifyNormal;
+ if (focus->win == FollowKeyboardWin)
+ DoFocusEvents(dev, inputInfo.keyboard->focus->win, focusWin, mode);
+ else
+ DoFocusEvents(dev, focus->win, focusWin, mode);
+ focus->time = time;
+ focus->revert = revertTo;
+ if (focusID == FollowKeyboard)
+ focus->win = FollowKeyboardWin;
+ else
+ focus->win = focusWin;
+ if ((focusWin == NoneWin) || (focusWin == PointerRootWin))
+ focus->traceGood = 0;
+ else
+ {
+ int depth = 0;
+ register WindowPtr pWin;
+
+ for (pWin = focusWin; pWin; pWin = pWin->parent) depth++;
+ if (depth > focus->traceSize)
+ {
+ focus->traceSize = depth+1;
+ Must_have_memory = TRUE; /* XXX */
+ focus->trace = (WindowPtr *)xrealloc(focus->trace,
+ focus->traceSize *
+ sizeof(WindowPtr));
+ Must_have_memory = FALSE; /* XXX */
+ }
+ focus->traceGood = depth;
+ for (pWin = focusWin, depth--; pWin; pWin = pWin->parent, depth--)
+ focus->trace[depth] = pWin;
+ }
+ return Success;
+}
+
+int
+ProcSetInputFocus(client)
+ ClientPtr client;
+{
+ REQUEST(xSetInputFocusReq);
+
+ REQUEST_SIZE_MATCH(xSetInputFocusReq);
+#ifdef XCSECURITY
+ if (!SecurityCheckDeviceAccess(client, inputInfo.keyboard, TRUE))
+ return Success;
+#endif
+ return SetInputFocus(client, inputInfo.keyboard, stuff->focus,
+ stuff->revertTo, stuff->time, FALSE);
+}
+
+int
+ProcGetInputFocus(client)
+ ClientPtr client;
+{
+ xGetInputFocusReply rep;
+ FocusClassPtr focus = inputInfo.keyboard->focus;
+
+ REQUEST_SIZE_MATCH(xReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ if (focus->win == NoneWin)
+ rep.focus = None;
+ else if (focus->win == PointerRootWin)
+ rep.focus = PointerRoot;
+ else rep.focus = focus->win->drawable.id;
+ rep.revertTo = focus->revert;
+ WriteReplyToClient(client, sizeof(xGetInputFocusReply), &rep);
+ return Success;
+}
+
+int
+ProcGrabPointer(client)
+ ClientPtr client;
+{
+ xGrabPointerReply rep;
+ DeviceIntPtr device = inputInfo.pointer;
+ GrabPtr grab;
+ WindowPtr pWin, confineTo;
+ CursorPtr cursor, oldCursor;
+ REQUEST(xGrabPointerReq);
+ TimeStamp time;
+
+ REQUEST_SIZE_MATCH(xGrabPointerReq);
+ UpdateCurrentTime();
+ if ((stuff->pointerMode != GrabModeSync) &&
+ (stuff->pointerMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->pointerMode;
+ return BadValue;
+ }
+ if ((stuff->keyboardMode != GrabModeSync) &&
+ (stuff->keyboardMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->keyboardMode;
+ return BadValue;
+ }
+ if ((stuff->ownerEvents != xFalse) && (stuff->ownerEvents != xTrue))
+ {
+ client->errorValue = stuff->ownerEvents;
+ return BadValue;
+ }
+ if ((stuff->eventMask & ~PointerGrabMask) && !permitOldBugs)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+ pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+ if (!pWin)
+ return BadWindow;
+ if (stuff->confineTo == None)
+ confineTo = NullWindow;
+ else
+ {
+ confineTo = SecurityLookupWindow(stuff->confineTo, client,
+ SecurityReadAccess);
+ if (!confineTo)
+ return BadWindow;
+ }
+ if (stuff->cursor == None)
+ cursor = NullCursor;
+ else
+ {
+ cursor = (CursorPtr)SecurityLookupIDByType(client, stuff->cursor,
+ RT_CURSOR, SecurityReadAccess);
+ if (!cursor)
+ {
+ client->errorValue = stuff->cursor;
+ return BadCursor;
+ }
+ }
+ /* at this point, some sort of reply is guaranteed. */
+ time = ClientTimeToServerTime(stuff->time);
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ grab = device->grab;
+ if ((grab) && !SameClient(grab, client))
+ rep.status = AlreadyGrabbed;
+ else if ((!pWin->realized) ||
+ (confineTo &&
+ !(confineTo->realized &&
+ REGION_NOTEMPTY( confineTo->drawable.pScreen,
+ &confineTo->borderSize))))
+ rep.status = GrabNotViewable;
+ else if (device->sync.frozen &&
+ device->sync.other && !SameClient(device->sync.other, client))
+ rep.status = GrabFrozen;
+ else if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, device->grabTime) == EARLIER))
+ rep.status = GrabInvalidTime;
+ else
+ {
+ GrabRec tempGrab;
+
+ oldCursor = NullCursor;
+ if (grab)
+ {
+ if (grab->confineTo && !confineTo)
+ ConfineCursorToWindow(ROOT, FALSE, FALSE);
+ oldCursor = grab->cursor;
+ }
+ tempGrab.cursor = cursor;
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.ownerEvents = stuff->ownerEvents;
+ tempGrab.eventMask = stuff->eventMask;
+ tempGrab.confineTo = confineTo;
+ tempGrab.window = pWin;
+ tempGrab.keyboardMode = stuff->keyboardMode;
+ tempGrab.pointerMode = stuff->pointerMode;
+ tempGrab.device = device;
+ (*device->ActivateGrab)(device, &tempGrab, time, FALSE);
+ if (oldCursor)
+ FreeCursor (oldCursor, (Cursor)0);
+ rep.status = GrabSuccess;
+ }
+ WriteReplyToClient(client, sizeof(xGrabPointerReply), &rep);
+ return Success;
+}
+
+int
+ProcChangeActivePointerGrab(client)
+ ClientPtr client;
+{
+ DeviceIntPtr device = inputInfo.pointer;
+ register GrabPtr grab = device->grab;
+ CursorPtr newCursor, oldCursor;
+ REQUEST(xChangeActivePointerGrabReq);
+ TimeStamp time;
+
+ REQUEST_SIZE_MATCH(xChangeActivePointerGrabReq);
+ if ((stuff->eventMask & ~PointerGrabMask) && !permitOldBugs)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+ if (stuff->cursor == None)
+ newCursor = NullCursor;
+ else
+ {
+ newCursor = (CursorPtr)SecurityLookupIDByType(client, stuff->cursor,
+ RT_CURSOR, SecurityReadAccess);
+ if (!newCursor)
+ {
+ client->errorValue = stuff->cursor;
+ return BadCursor;
+ }
+ }
+ if (!grab)
+ return Success;
+ if (!SameClient(grab, client))
+ return Success;
+ time = ClientTimeToServerTime(stuff->time);
+ if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, device->grabTime) == EARLIER))
+ return Success;
+ oldCursor = grab->cursor;
+ grab->cursor = newCursor;
+ if (newCursor)
+ newCursor->refcnt++;
+ PostNewCursor();
+ if (oldCursor)
+ FreeCursor(oldCursor, (Cursor)0);
+ grab->eventMask = stuff->eventMask;
+ return Success;
+}
+
+int
+ProcUngrabPointer(client)
+ ClientPtr client;
+{
+ DeviceIntPtr device = inputInfo.pointer;
+ GrabPtr grab;
+ TimeStamp time;
+ REQUEST(xResourceReq);
+
+ REQUEST_SIZE_MATCH(xResourceReq);
+ UpdateCurrentTime();
+ grab = device->grab;
+ time = ClientTimeToServerTime(stuff->id);
+ if ((CompareTimeStamps(time, currentTime) != LATER) &&
+ (CompareTimeStamps(time, device->grabTime) != EARLIER) &&
+ (grab) && SameClient(grab, client))
+ (*device->DeactivateGrab)(device);
+ return Success;
+}
+
+int
+GrabDevice(client, dev, this_mode, other_mode, grabWindow, ownerEvents, ctime,
+ mask, status)
+ register ClientPtr client;
+ register DeviceIntPtr dev;
+ unsigned this_mode;
+ unsigned other_mode;
+ Window grabWindow;
+ unsigned ownerEvents;
+ Time ctime;
+ Mask mask;
+ CARD8 *status;
+{
+ register WindowPtr pWin;
+ register GrabPtr grab;
+ TimeStamp time;
+
+ UpdateCurrentTime();
+ if ((this_mode != GrabModeSync) && (this_mode != GrabModeAsync))
+ {
+ client->errorValue = this_mode;
+ return BadValue;
+ }
+ if ((other_mode != GrabModeSync) && (other_mode != GrabModeAsync))
+ {
+ client->errorValue = other_mode;
+ return BadValue;
+ }
+ if ((ownerEvents != xFalse) && (ownerEvents != xTrue))
+ {
+ client->errorValue = ownerEvents;
+ return BadValue;
+ }
+ pWin = SecurityLookupWindow(grabWindow, client, SecurityReadAccess);
+ if (!pWin)
+ return BadWindow;
+ time = ClientTimeToServerTime(ctime);
+ grab = dev->grab;
+ if (grab && !SameClient(grab, client))
+ *status = AlreadyGrabbed;
+ else if (!pWin->realized)
+ *status = GrabNotViewable;
+ else if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, dev->grabTime) == EARLIER))
+ *status = GrabInvalidTime;
+ else if (dev->sync.frozen &&
+ dev->sync.other && !SameClient(dev->sync.other, client))
+ *status = GrabFrozen;
+ else
+ {
+ GrabRec tempGrab;
+
+ tempGrab.window = pWin;
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.ownerEvents = ownerEvents;
+ tempGrab.keyboardMode = this_mode;
+ tempGrab.pointerMode = other_mode;
+ tempGrab.eventMask = mask;
+ tempGrab.device = dev;
+ (*dev->ActivateGrab)(dev, &tempGrab, time, FALSE);
+ *status = GrabSuccess;
+ }
+ return Success;
+}
+
+int
+ProcGrabKeyboard(client)
+ ClientPtr client;
+{
+ xGrabKeyboardReply rep;
+ REQUEST(xGrabKeyboardReq);
+ int result;
+
+ REQUEST_SIZE_MATCH(xGrabKeyboardReq);
+#ifdef XCSECURITY
+ if (!SecurityCheckDeviceAccess(client, inputInfo.keyboard, TRUE))
+ {
+ result = Success;
+ rep.status = AlreadyGrabbed;
+ }
+ else
+#endif
+ result = GrabDevice(client, inputInfo.keyboard, stuff->keyboardMode,
+ stuff->pointerMode, stuff->grabWindow,
+ stuff->ownerEvents, stuff->time,
+ KeyPressMask | KeyReleaseMask, &rep.status);
+ if (result != Success)
+ return result;
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ WriteReplyToClient(client, sizeof(xGrabKeyboardReply), &rep);
+ return Success;
+}
+
+int
+ProcUngrabKeyboard(client)
+ ClientPtr client;
+{
+ DeviceIntPtr device = inputInfo.keyboard;
+ GrabPtr grab;
+ TimeStamp time;
+ REQUEST(xResourceReq);
+
+ REQUEST_SIZE_MATCH(xResourceReq);
+ UpdateCurrentTime();
+ grab = device->grab;
+ time = ClientTimeToServerTime(stuff->id);
+ if ((CompareTimeStamps(time, currentTime) != LATER) &&
+ (CompareTimeStamps(time, device->grabTime) != EARLIER) &&
+ (grab) && SameClient(grab, client))
+ (*device->DeactivateGrab)(device);
+ return Success;
+}
+
+int
+ProcQueryPointer(client)
+ ClientPtr client;
+{
+ xQueryPointerReply rep;
+ WindowPtr pWin, t;
+ REQUEST(xResourceReq);
+ DeviceIntPtr mouse = inputInfo.pointer;
+
+ REQUEST_SIZE_MATCH(xResourceReq);
+ pWin = SecurityLookupWindow(stuff->id, client, SecurityReadAccess);
+ if (!pWin)
+ return BadWindow;
+ if (mouse->valuator->motionHintWindow)
+ MaybeStopHint(mouse, client);
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.mask = mouse->button->state | inputInfo.keyboard->key->state;
+ rep.length = 0;
+ rep.root = (ROOT)->drawable.id;
+ rep.rootX = sprite.hot.x;
+ rep.rootY = sprite.hot.y;
+ rep.child = None;
+ if (sprite.hot.pScreen == pWin->drawable.pScreen)
+ {
+ rep.sameScreen = xTrue;
+ rep.winX = sprite.hot.x - pWin->drawable.x;
+ rep.winY = sprite.hot.y - pWin->drawable.y;
+ for (t = sprite.win; t; t = t->parent)
+ if (t->parent == pWin)
+ {
+ rep.child = t->drawable.id;
+ break;
+ }
+ }
+ else
+ {
+ rep.sameScreen = xFalse;
+ rep.winX = 0;
+ rep.winY = 0;
+ }
+ WriteReplyToClient(client, sizeof(xQueryPointerReply), &rep);
+
+ return(Success);
+}
+
+void
+InitEvents()
+{
+ int i;
+
+ sprite.hot.pScreen = sprite.hotPhys.pScreen = (ScreenPtr)NULL;
+ inputInfo.numDevices = 0;
+ inputInfo.devices = (DeviceIntPtr)NULL;
+ inputInfo.off_devices = (DeviceIntPtr)NULL;
+ inputInfo.keyboard = (DeviceIntPtr)NULL;
+ inputInfo.pointer = (DeviceIntPtr)NULL;
+ if (spriteTraceSize == 0)
+ {
+ spriteTraceSize = 32;
+ spriteTrace = (WindowPtr *)xalloc(32*sizeof(WindowPtr));
+ if (!spriteTrace)
+ FatalError("failed to allocate spriteTrace");
+ }
+ spriteTraceGood = 0;
+ lastEventMask = OwnerGrabButtonMask;
+ filters[MotionNotify] = PointerMotionMask;
+ sprite.win = NullWindow;
+ sprite.current = NullCursor;
+ sprite.hotLimits.x1 = 0;
+ sprite.hotLimits.y1 = 0;
+ sprite.hotLimits.x2 = 0;
+ sprite.hotLimits.y2 = 0;
+ sprite.confined = FALSE;
+ syncEvents.replayDev = (DeviceIntPtr)NULL;
+ syncEvents.replayWin = NullWindow;
+ while (syncEvents.pending)
+ {
+ QdEventPtr next = syncEvents.pending->next;
+ xfree(syncEvents.pending);
+ syncEvents.pending = next;
+ }
+ syncEvents.pendtail = &syncEvents.pending;
+ syncEvents.playingEvents = FALSE;
+ syncEvents.time.months = 0;
+ syncEvents.time.milliseconds = 0; /* hardly matters */
+ currentTime.months = 0;
+ currentTime.milliseconds = GetTimeInMillis();
+ lastDeviceEventTime = currentTime;
+ for (i = 0; i < DNPMCOUNT; i++)
+ {
+ DontPropagateMasks[i] = 0;
+ DontPropagateRefCnts[i] = 0;
+ }
+}
+
+int
+ProcSendEvent(client)
+ ClientPtr client;
+{
+ WindowPtr pWin;
+ WindowPtr effectiveFocus = NullWindow; /* only set if dest==InputFocus */
+ REQUEST(xSendEventReq);
+
+ REQUEST_SIZE_MATCH(xSendEventReq);
+
+ /* The client's event type must be a core event type or one defined by an
+ extension. */
+
+ if ( ! ((stuff->event.u.u.type > X_Reply &&
+ stuff->event.u.u.type < LASTEvent) ||
+ (stuff->event.u.u.type >= EXTENSION_EVENT_BASE &&
+ stuff->event.u.u.type < (unsigned)lastEvent)))
+ {
+ client->errorValue = stuff->event.u.u.type;
+ return BadValue;
+ }
+ if (stuff->event.u.u.type == ClientMessage &&
+ stuff->event.u.u.detail != 8 &&
+ stuff->event.u.u.detail != 16 &&
+ stuff->event.u.u.detail != 32 &&
+ !permitOldBugs)
+ {
+ client->errorValue = stuff->event.u.u.detail;
+ return BadValue;
+ }
+ if ((stuff->eventMask & ~AllEventMasks) && !permitOldBugs)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+
+ if (stuff->destination == PointerWindow)
+ pWin = sprite.win;
+ else if (stuff->destination == InputFocus)
+ {
+ WindowPtr inputFocus = inputInfo.keyboard->focus->win;
+
+ if (inputFocus == NoneWin)
+ return Success;
+
+ /* If the input focus is PointerRootWin, send the event to where
+ the pointer is if possible, then perhaps propogate up to root. */
+ if (inputFocus == PointerRootWin)
+ inputFocus = ROOT;
+
+ if (IsParent(inputFocus, sprite.win))
+ {
+ effectiveFocus = inputFocus;
+ pWin = sprite.win;
+ }
+ else
+ effectiveFocus = pWin = inputFocus;
+ }
+ else
+ pWin = SecurityLookupWindow(stuff->destination, client,
+ SecurityReadAccess);
+ if (!pWin)
+ return BadWindow;
+ if ((stuff->propagate != xFalse) && (stuff->propagate != xTrue))
+ {
+ client->errorValue = stuff->propagate;
+ return BadValue;
+ }
+ stuff->event.u.u.type |= 0x80;
+ if (stuff->propagate)
+ {
+ for (;pWin; pWin = pWin->parent)
+ {
+ if (DeliverEventsToWindow(pWin, &stuff->event, 1, stuff->eventMask,
+ NullGrab, 0))
+ return Success;
+ if (pWin == effectiveFocus)
+ return Success;
+ stuff->eventMask &= ~wDontPropagateMask(pWin);
+ if (!stuff->eventMask)
+ break;
+ }
+ }
+ else
+ (void)DeliverEventsToWindow(pWin, &stuff->event, 1, stuff->eventMask,
+ NullGrab, 0);
+ return Success;
+}
+
+int
+ProcUngrabKey(client)
+ ClientPtr client;
+{
+ REQUEST(xUngrabKeyReq);
+ WindowPtr pWin;
+ GrabRec tempGrab;
+ DeviceIntPtr keybd = inputInfo.keyboard;
+
+ REQUEST_SIZE_MATCH(xUngrabKeyReq);
+ pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+ if (!pWin)
+ return BadWindow;
+ if (((stuff->key > keybd->key->curKeySyms.maxKeyCode) ||
+ (stuff->key < keybd->key->curKeySyms.minKeyCode))
+ && (stuff->key != AnyKey))
+ {
+ client->errorValue = stuff->key;
+ return BadValue;
+ }
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.device = keybd;
+ tempGrab.window = pWin;
+ tempGrab.modifiersDetail.exact = stuff->modifiers;
+ tempGrab.modifiersDetail.pMask = NULL;
+ tempGrab.modifierDevice = inputInfo.keyboard;
+ tempGrab.type = KeyPress;
+ tempGrab.detail.exact = stuff->key;
+ tempGrab.detail.pMask = NULL;
+
+ if (!DeletePassiveGrabFromList(&tempGrab))
+ return(BadAlloc);
+ return(Success);
+}
+
+int
+ProcGrabKey(client)
+ ClientPtr client;
+{
+ WindowPtr pWin;
+ REQUEST(xGrabKeyReq);
+ GrabPtr grab;
+ DeviceIntPtr keybd = inputInfo.keyboard;
+
+ REQUEST_SIZE_MATCH(xGrabKeyReq);
+ if ((stuff->ownerEvents != xTrue) && (stuff->ownerEvents != xFalse))
+ {
+ client->errorValue = stuff->ownerEvents;
+ return(BadValue);
+ }
+ if ((stuff->pointerMode != GrabModeSync) &&
+ (stuff->pointerMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->pointerMode;
+ return BadValue;
+ }
+ if ((stuff->keyboardMode != GrabModeSync) &&
+ (stuff->keyboardMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->keyboardMode;
+ return BadValue;
+ }
+ if (((stuff->key > keybd->key->curKeySyms.maxKeyCode) ||
+ (stuff->key < keybd->key->curKeySyms.minKeyCode))
+ && (stuff->key != AnyKey))
+ {
+ client->errorValue = stuff->key;
+ return BadValue;
+ }
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+ pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+ if (!pWin)
+ return BadWindow;
+
+ grab = CreateGrab(client->index, keybd, pWin,
+ (Mask)(KeyPressMask | KeyReleaseMask), (Bool)stuff->ownerEvents,
+ (Bool)stuff->keyboardMode, (Bool)stuff->pointerMode,
+ keybd, stuff->modifiers, KeyPress, stuff->key, NullWindow, NullCursor);
+ if (!grab)
+ return BadAlloc;
+ return AddPassiveGrabToList(grab);
+}
+
+int
+ProcGrabButton(client)
+ ClientPtr client;
+{
+ WindowPtr pWin, confineTo;
+ REQUEST(xGrabButtonReq);
+ CursorPtr cursor;
+ GrabPtr grab;
+
+ REQUEST_SIZE_MATCH(xGrabButtonReq);
+ if ((stuff->pointerMode != GrabModeSync) &&
+ (stuff->pointerMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->pointerMode;
+ return BadValue;
+ }
+ if ((stuff->keyboardMode != GrabModeSync) &&
+ (stuff->keyboardMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->keyboardMode;
+ return BadValue;
+ }
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+ if ((stuff->ownerEvents != xFalse) && (stuff->ownerEvents != xTrue))
+ {
+ client->errorValue = stuff->ownerEvents;
+ return BadValue;
+ }
+ if (stuff->eventMask & ~PointerGrabMask)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+ pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+ if (!pWin)
+ return BadWindow;
+ if (stuff->confineTo == None)
+ confineTo = NullWindow;
+ else
+ {
+ confineTo = SecurityLookupWindow(stuff->confineTo, client,
+ SecurityReadAccess);
+ if (!confineTo)
+ return BadWindow;
+ }
+ if (stuff->cursor == None)
+ cursor = NullCursor;
+ else
+ {
+ cursor = (CursorPtr)SecurityLookupIDByType(client, stuff->cursor,
+ RT_CURSOR, SecurityReadAccess);
+ if (!cursor)
+ {
+ client->errorValue = stuff->cursor;
+ return BadCursor;
+ }
+ }
+
+ grab = CreateGrab(client->index, inputInfo.pointer, pWin,
+ permitOldBugs ? (Mask)(stuff->eventMask |
+ ButtonPressMask | ButtonReleaseMask) :
+ (Mask)stuff->eventMask,
+ (Bool)stuff->ownerEvents, (Bool) stuff->keyboardMode,
+ (Bool)stuff->pointerMode, inputInfo.keyboard, stuff->modifiers,
+ ButtonPress, stuff->button, confineTo, cursor);
+ if (!grab)
+ return BadAlloc;
+ return AddPassiveGrabToList(grab);
+}
+
+int
+ProcUngrabButton(client)
+ ClientPtr client;
+{
+ REQUEST(xUngrabButtonReq);
+ WindowPtr pWin;
+ GrabRec tempGrab;
+
+ REQUEST_SIZE_MATCH(xUngrabButtonReq);
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+ pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+ if (!pWin)
+ return BadWindow;
+
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.device = inputInfo.pointer;
+ tempGrab.window = pWin;
+ tempGrab.modifiersDetail.exact = stuff->modifiers;
+ tempGrab.modifiersDetail.pMask = NULL;
+ tempGrab.modifierDevice = inputInfo.keyboard;
+ tempGrab.type = ButtonPress;
+ tempGrab.detail.exact = stuff->button;
+ tempGrab.detail.pMask = NULL;
+
+ if (!DeletePassiveGrabFromList(&tempGrab))
+ return(BadAlloc);
+ return(Success);
+}
+
+void
+DeleteWindowFromAnyEvents(pWin, freeResources)
+ WindowPtr pWin;
+ Bool freeResources;
+{
+ WindowPtr parent;
+ DeviceIntPtr mouse = inputInfo.pointer;
+ DeviceIntPtr keybd = inputInfo.keyboard;
+ FocusClassPtr focus = keybd->focus;
+ OtherClientsPtr oc;
+ GrabPtr passive;
+
+
+ /* Deactivate any grabs performed on this window, before making any
+ input focus changes. */
+
+ if (mouse->grab &&
+ ((mouse->grab->window == pWin) || (mouse->grab->confineTo == pWin)))
+ (*mouse->DeactivateGrab)(mouse);
+
+ /* Deactivating a keyboard grab should cause focus events. */
+
+ if (keybd->grab && (keybd->grab->window == pWin))
+ (*keybd->DeactivateGrab)(keybd);
+
+ /* If the focus window is a root window (ie. has no parent) then don't
+ delete the focus from it. */
+
+ if ((pWin == focus->win) && (pWin->parent != NullWindow))
+ {
+ int focusEventMode = NotifyNormal;
+
+ /* If a grab is in progress, then alter the mode of focus events. */
+
+ if (keybd->grab)
+ focusEventMode = NotifyWhileGrabbed;
+
+ switch (focus->revert)
+ {
+ case RevertToNone:
+ DoFocusEvents(keybd, pWin, NoneWin, focusEventMode);
+ focus->win = NoneWin;
+ focus->traceGood = 0;
+ break;
+ case RevertToParent:
+ parent = pWin;
+ do
+ {
+ parent = parent->parent;
+ focus->traceGood--;
+ } while (!parent->realized
+/* This would be a good protocol change -- windows being reparented
+ during SaveSet processing would cause the focus to revert to the
+ nearest enclosing window which will survive the death of the exiting
+ client, instead of ending up reverting to a dying window and thence
+ to None
+ */
+#ifdef NOTDEF
+ || clients[CLIENT_ID(parent->drawable.id)]->clientGone
+#endif
+ );
+ DoFocusEvents(keybd, pWin, parent, focusEventMode);
+ focus->win = parent;
+ focus->revert = RevertToNone;
+ break;
+ case RevertToPointerRoot:
+ DoFocusEvents(keybd, pWin, PointerRootWin, focusEventMode);
+ focus->win = PointerRootWin;
+ focus->traceGood = 0;
+ break;
+ }
+ }
+
+ if (mouse->valuator->motionHintWindow == pWin)
+ mouse->valuator->motionHintWindow = NullWindow;
+
+ if (freeResources)
+ {
+ if (pWin->dontPropagate)
+ DontPropagateRefCnts[pWin->dontPropagate]--;
+ while ( (oc = wOtherClients(pWin)) )
+ FreeResource(oc->resource, RT_NONE);
+ while ( (passive = wPassiveGrabs(pWin)) )
+ FreeResource(passive->resource, RT_NONE);
+ }
+#ifdef XINPUT
+ DeleteWindowFromAnyExtEvents(pWin, freeResources);
+#endif
+}
+
+/* Call this whenever some window at or below pWin has changed geometry */
+
+/*ARGSUSED*/
+void
+CheckCursorConfinement(pWin)
+ WindowPtr pWin;
+{
+ GrabPtr grab = inputInfo.pointer->grab;
+ WindowPtr confineTo;
+
+ if (grab && (confineTo = grab->confineTo))
+ {
+ if (!REGION_NOTEMPTY( confineTo->drawable.pScreen,
+ &confineTo->borderSize))
+ (*inputInfo.pointer->DeactivateGrab)(inputInfo.pointer);
+ else if ((pWin == confineTo) || IsParent(pWin, confineTo))
+ ConfineCursorToWindow(confineTo, TRUE, TRUE);
+ }
+}
+
+Mask
+EventMaskForClient(pWin, client)
+ WindowPtr pWin;
+ ClientPtr client;
+{
+ register OtherClientsPtr other;
+
+ if (wClient (pWin) == client)
+ return pWin->eventMask;
+ for (other = wOtherClients(pWin); other; other = other->next)
+ {
+ if (SameClient(other, client))
+ return other->mask;
+ }
+ return 0;
+}
+
+int
+ProcRecolorCursor(client)
+ ClientPtr client;
+{
+ CursorPtr pCursor;
+ int nscr;
+ ScreenPtr pscr;
+ REQUEST(xRecolorCursorReq);
+
+ REQUEST_SIZE_MATCH(xRecolorCursorReq);
+ pCursor = (CursorPtr)SecurityLookupIDByType(client, stuff->cursor,
+ RT_CURSOR, SecurityWriteAccess);
+ if ( !pCursor)
+ {
+ client->errorValue = stuff->cursor;
+ return (BadCursor);
+ }
+
+ pCursor->foreRed = stuff->foreRed;
+ pCursor->foreGreen = stuff->foreGreen;
+ pCursor->foreBlue = stuff->foreBlue;
+
+ pCursor->backRed = stuff->backRed;
+ pCursor->backGreen = stuff->backGreen;
+ pCursor->backBlue = stuff->backBlue;
+
+ for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
+ {
+ pscr = screenInfo.screens[nscr];
+ ( *pscr->RecolorCursor)(pscr, pCursor,
+ (pCursor == sprite.current) &&
+ (pscr == sprite.hotPhys.pScreen));
+ }
+ return (Success);
+}
+
+void
+WriteEventsToClient(pClient, count, events)
+ ClientPtr pClient;
+ int count;
+ xEvent *events;
+{
+ xEvent eventTo, *eventFrom;
+ int i;
+
+#ifdef XKB
+ if ((!noXkbExtension)&&(!XkbFilterEvents(pClient, count, events)))
+ return;
+#endif
+
+ if (EventCallback)
+ {
+ EventInfoRec eventinfo;
+ eventinfo.client = pClient;
+ eventinfo.events = events;
+ eventinfo.count = count;
+ CallCallbacks(&EventCallback, (pointer)&eventinfo);
+ }
+ if(pClient->swapped)
+ {
+ for(i = 0; i < count; i++)
+ {
+ eventFrom = &events[i];
+ /* Remember to strip off the leading bit of type in case
+ this event was sent with "SendEvent." */
+ (*EventSwapVector[eventFrom->u.u.type & 0177])
+ (eventFrom, &eventTo);
+ (void)WriteToClient(pClient, sizeof(xEvent), (char *)&eventTo);
+ }
+ }
+ else
+ {
+ (void)WriteToClient(pClient, count * sizeof(xEvent), (char *) events);
+ }
+}
projects / rdpsrv / blobdiff