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Diffstat (limited to 'xorg-server/dix/events.c')
| -rw-r--r-- | xorg-server/dix/events.c | 5145 |
1 files changed, 5145 insertions, 0 deletions
diff --git a/xorg-server/dix/events.c b/xorg-server/dix/events.c new file mode 100644 index 000000000..4a8e480c8 --- /dev/null +++ b/xorg-server/dix/events.c @@ -0,0 +1,5145 @@ +/************************************************************ + +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 +OPEN GROUP 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 Open Group 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 Open Group. + + +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. + +********************************************************/ + +/* The panoramix components contained the following notice */ +/***************************************************************** + +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. + +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. + +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 +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL 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 Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. + +******************************************************************/ + +/***************************************************************** + +Copyright 2003-2005 Sun Microsystems, Inc. + +All rights reserved. + +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, and/or sell copies of the Software, and to permit persons +to whom the Software is furnished to do so, provided that the above +copyright notice(s) and this permission notice appear in all copies of +the Software and that both the above copyright notice(s) and this +permission notice appear in supporting documentation. + +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 +OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR +HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR 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. + +Except as contained in this notice, the name of a copyright holder +shall not be used in advertising or otherwise to promote the sale, use +or other dealings in this Software without prior written authorization +of the copyright holder. + +******************************************************************/ + +/** @file + * This file handles event delivery and a big part of the server-side protocol + * handling (the parts for input devices). + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include <X11/keysym.h> +#include "misc.h" +#include "resource.h" +#define NEED_EVENTS +#define NEED_REPLIES +#include <X11/Xproto.h> +#include "windowstr.h" +#include "inputstr.h" +#include "scrnintstr.h" +#include "cursorstr.h" + +#include "dixstruct.h" +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif +#include "globals.h" + +#ifdef XKB +#include <X11/extensions/XKBproto.h> +#include <xkbsrv.h> +extern Bool XkbFilterEvents(ClientPtr, int, xEvent *); +#endif + +#include "xace.h" + +#ifdef XSERVER_DTRACE +#include <sys/types.h> +typedef const char *string; +#include "Xserver-dtrace.h" +#endif + +#ifdef XEVIE +extern WindowPtr *WindowTable; +extern int xevieFlag; +extern int xevieClientIndex; +extern DeviceIntPtr xeviemouse; +extern DeviceIntPtr xeviekb; +extern Mask xevieMask; +extern Mask xevieFilters[128]; +extern int xevieEventSent; +extern int xevieKBEventSent; +int xeviegrabState = 0; +#endif + +#include <X11/extensions/XIproto.h> +#include "exglobals.h" +#include "exevents.h" +#include "exglobals.h" +#include "extnsionst.h" + +#include "dixevents.h" +#include "dixgrabs.h" +#include "dispatch.h" +/** + * Extension events type numbering starts at EXTENSION_EVENT_BASE. + */ +#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 XE_KBPTR (xE->u.keyButtonPointer) + + +#define rClient(obj) (clients[CLIENT_ID((obj)->resource)]) + +_X_EXPORT CallbackListPtr EventCallback; +_X_EXPORT CallbackListPtr DeviceEventCallback; + +#define DNPMCOUNT 8 + +Mask DontPropagateMasks[DNPMCOUNT]; +static int DontPropagateRefCnts[DNPMCOUNT]; + +/** + * Main input device struct. + * inputInfo.pointer + * is the core pointer. Referred to as "virtual core pointer", "VCP", + * "core pointer" or inputInfo.pointer. There is exactly one core pointer, + * but multiple devices may send core events. If a device generates core + * events, those events will appear to originate from the core pointer. + * + * inputInfo.keyboard + * is the core keyboard ("virtual core keyboard", "VCK", "core keyboard"). + * See inputInfo.pointer. + * + * inputInfo.devices + * linked list containing all devices including VCK and VCP. The VCK will + * always be the first entry, the VCP the second entry in the device list. + * + * inputInfo.off_devices + * Devices that have not been initialized and are thus turned off. + * + * inputInfo.numDevices + * Total number of devices. + */ +_X_EXPORT 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. + * + * @see XYToWindow() for a documentation on how the array is set up. + */ +static WindowPtr *spriteTrace = (WindowPtr *)NULL; +#define ROOT spriteTrace[0] +static int spriteTraceSize = 0; +static int spriteTraceGood; + +/** + * DIX sprite information. This is the sprite as seen from the DIX. It does + * not represent the actual sprite rendered to the screen. + * + */ +static struct { + CursorPtr current; + BoxRec hotLimits; /* logical constraints of hot spot */ + Bool confined; /* confined to screen */ +#if defined(SHAPE) || defined(PANORAMIX) + 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 */ +#ifdef PANORAMIX + ScreenPtr screen; /* all others are in Screen 0 coordinates */ + RegionRec Reg1; /* Region 1 for confining motion */ + RegionRec Reg2; /* Region 2 for confining virtual motion */ + WindowPtr windows[MAXSCREENS]; + WindowPtr confineWin; /* confine window */ +#endif +} sprite; /* info about the cursor sprite */ + +#ifdef XEVIE +_X_EXPORT WindowPtr xeviewin; +_X_EXPORT HotSpot xeviehot; +#endif + +static void DoEnterLeaveEvents( + WindowPtr fromWin, + WindowPtr toWin, + int mode +); + +static WindowPtr XYToWindow( + int x, + int y +); + +/** + * Max event opcode. + */ +extern int lastEvent; + +static Mask lastEventMask; + +#ifdef XINPUT +extern int DeviceMotionNotify; +#endif + +#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] = +{ + 0x7c /* key and button events */ +}; + +#ifdef PANORAMIX +static void ConfineToShape(RegionPtr shape, int *px, int *py); +static void PostNewCursor(void); + +#define SyntheticMotion(x, y) \ + PostSyntheticMotion(x, y, noPanoramiXExtension ? 0 : \ + sprite.screen->myNum, \ + syncEvents.playingEvents ? \ + syncEvents.time.milliseconds : \ + currentTime.milliseconds); + +static Bool +XineramaSetCursorPosition( + int x, + int y, + Bool generateEvent +){ + ScreenPtr pScreen; + BoxRec box; + int i; + + /* x,y are in Screen 0 coordinates. We need to decide what Screen + to send the message too and what the coordinates relative to + that screen are. */ + + pScreen = sprite.screen; + x += panoramiXdataPtr[0].x; + y += panoramiXdataPtr[0].y; + + if(!POINT_IN_REGION(pScreen, &XineramaScreenRegions[pScreen->myNum], + x, y, &box)) + { + FOR_NSCREENS(i) + { + if(i == pScreen->myNum) + continue; + if(POINT_IN_REGION(pScreen, &XineramaScreenRegions[i], x, y, &box)) + { + pScreen = screenInfo.screens[i]; + break; + } + } + } + + sprite.screen = pScreen; + sprite.hotPhys.x = x - panoramiXdataPtr[0].x; + sprite.hotPhys.y = y - panoramiXdataPtr[0].y; + x -= panoramiXdataPtr[pScreen->myNum].x; + y -= panoramiXdataPtr[pScreen->myNum].y; + + return (*pScreen->SetCursorPosition)(pScreen, x, y, generateEvent); +} + + +static void +XineramaConstrainCursor(void) +{ + ScreenPtr pScreen = sprite.screen; + BoxRec newBox = sprite.physLimits; + + /* Translate the constraining box to the screen + the sprite is actually on */ + newBox.x1 += panoramiXdataPtr[0].x - panoramiXdataPtr[pScreen->myNum].x; + newBox.x2 += panoramiXdataPtr[0].x - panoramiXdataPtr[pScreen->myNum].x; + newBox.y1 += panoramiXdataPtr[0].y - panoramiXdataPtr[pScreen->myNum].y; + newBox.y2 += panoramiXdataPtr[0].y - panoramiXdataPtr[pScreen->myNum].y; + + (* pScreen->ConstrainCursor)(pScreen, &newBox); +} + +static void +XineramaCheckPhysLimits( + CursorPtr cursor, + Bool generateEvents +){ + HotSpot new; + + if (!cursor) + return; + + new = sprite.hotPhys; + + /* I don't care what the DDX has to say about it */ + sprite.physLimits = sprite.hotLimits; + + /* constrain the pointer to those limits */ + 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; + + if (sprite.hotShape) /* more work if the shape is a mess */ + ConfineToShape(sprite.hotShape, &new.x, &new.y); + + if((new.x != sprite.hotPhys.x) || (new.y != sprite.hotPhys.y)) + { + XineramaSetCursorPosition (new.x, new.y, generateEvents); + if (!generateEvents) + SyntheticMotion(new.x, new.y); + } + + /* Tell DDX what the limits are */ + XineramaConstrainCursor(); +} + + +static Bool +XineramaSetWindowPntrs(WindowPtr pWin) +{ + if(pWin == WindowTable[0]) { + memcpy(sprite.windows, WindowTable, + PanoramiXNumScreens*sizeof(WindowPtr)); + } else { + PanoramiXRes *win; + int i; + + win = (PanoramiXRes*)LookupIDByType(pWin->drawable.id, XRT_WINDOW); + + if(!win) + return FALSE; + + for(i = 0; i < PanoramiXNumScreens; i++) { + sprite.windows[i] = LookupIDByType(win->info[i].id, RT_WINDOW); + if(!sprite.windows[i]) /* window is being unmapped */ + return FALSE; + } + } + return TRUE; +} + +static void +XineramaCheckVirtualMotion( + QdEventPtr qe, + WindowPtr pWin +){ + + if (qe) + { + sprite.hot.pScreen = qe->pScreen; /* should always be Screen 0 */ + 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) + { + int x, y, off_x, off_y, i; + BoxRec lims; + + if(!XineramaSetWindowPntrs(pWin)) + return; + + i = PanoramiXNumScreens - 1; + + REGION_COPY(sprite.screen, &sprite.Reg2, + &sprite.windows[i]->borderSize); + off_x = panoramiXdataPtr[i].x; + off_y = panoramiXdataPtr[i].y; + + while(i--) { + x = off_x - panoramiXdataPtr[i].x; + y = off_y - panoramiXdataPtr[i].y; + + if(x || y) + REGION_TRANSLATE(sprite.screen, &sprite.Reg2, x, y); + + REGION_UNION(sprite.screen, &sprite.Reg2, &sprite.Reg2, + &sprite.windows[i]->borderSize); + + off_x = panoramiXdataPtr[i].x; + off_y = panoramiXdataPtr[i].y; + } + + lims = *REGION_EXTENTS(sprite.screen, &sprite.Reg2); + + 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; + + if (REGION_NUM_RECTS(&sprite.Reg2) > 1) + ConfineToShape(&sprite.Reg2, &sprite.hot.x, &sprite.hot.y); + + if (qe) + { + qe->pScreen = sprite.hot.pScreen; + qe->event->u.keyButtonPointer.rootX = sprite.hot.x; + qe->event->u.keyButtonPointer.rootY = sprite.hot.y; + } + } +#ifdef XEVIE + xeviehot.x = sprite.hot.x; + xeviehot.y = sprite.hot.y; +#endif +} + + +static Bool +XineramaCheckMotion(xEvent *xE) +{ + WindowPtr prevSpriteWin = sprite.win; + + if (xE && !syncEvents.playingEvents) + { + /* Motion events entering DIX get translated to Screen 0 + coordinates. Replayed events have already been + translated since they've entered DIX before */ + XE_KBPTR.rootX += panoramiXdataPtr[sprite.screen->myNum].x - + panoramiXdataPtr[0].x; + XE_KBPTR.rootY += panoramiXdataPtr[sprite.screen->myNum].y - + panoramiXdataPtr[0].y; + sprite.hot.x = XE_KBPTR.rootX; + sprite.hot.y = XE_KBPTR.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; + + if (sprite.hotShape) + ConfineToShape(sprite.hotShape, &sprite.hot.x, &sprite.hot.y); + + sprite.hotPhys = sprite.hot; + if ((sprite.hotPhys.x != XE_KBPTR.rootX) || + (sprite.hotPhys.y != XE_KBPTR.rootY)) + { + XineramaSetCursorPosition( + sprite.hotPhys.x, sprite.hotPhys.y, FALSE); + } + XE_KBPTR.rootX = sprite.hot.x; + XE_KBPTR.rootY = sprite.hot.y; + } + +#ifdef XEVIE + xeviehot.x = sprite.hot.x; + xeviehot.y = sprite.hot.y; + xeviewin = +#endif + sprite.win = XYToWindow(sprite.hot.x, sprite.hot.y); + + if (sprite.win != prevSpriteWin) + { + if (prevSpriteWin != NullWindow) { + if (!xE) + UpdateCurrentTimeIf(); + DoEnterLeaveEvents(prevSpriteWin, sprite.win, NotifyNormal); + } + PostNewCursor(); + return FALSE; + } + return TRUE; +} + + +static void +XineramaConfineCursorToWindow(WindowPtr pWin, Bool generateEvents) +{ + + if (syncEvents.playingEvents) + { + XineramaCheckVirtualMotion((QdEventPtr)NULL, pWin); + SyntheticMotion(sprite.hot.x, sprite.hot.y); + } + else + { + int x, y, off_x, off_y, i; + + if(!XineramaSetWindowPntrs(pWin)) + return; + + i = PanoramiXNumScreens - 1; + + REGION_COPY(sprite.screen, &sprite.Reg1, + &sprite.windows[i]->borderSize); + off_x = panoramiXdataPtr[i].x; + off_y = panoramiXdataPtr[i].y; + + while(i--) { + x = off_x - panoramiXdataPtr[i].x; + y = off_y - panoramiXdataPtr[i].y; + + if(x || y) + REGION_TRANSLATE(sprite.screen, &sprite.Reg1, x, y); + + REGION_UNION(sprite.screen, &sprite.Reg1, &sprite.Reg1, + &sprite.windows[i]->borderSize); + + off_x = panoramiXdataPtr[i].x; + off_y = panoramiXdataPtr[i].y; + } + + sprite.hotLimits = *REGION_EXTENTS(sprite.screen, &sprite.Reg1); + + if(REGION_NUM_RECTS(&sprite.Reg1) > 1) + sprite.hotShape = &sprite.Reg1; + else + sprite.hotShape = NullRegion; + + sprite.confined = FALSE; + sprite.confineWin = (pWin == WindowTable[0]) ? NullWindow : pWin; + + XineramaCheckPhysLimits(sprite.current, generateEvents); + } +} + + +static void +XineramaChangeToCursor(CursorPtr cursor) +{ + if (cursor != sprite.current) + { + if ((sprite.current->bits->xhot != cursor->bits->xhot) || + (sprite.current->bits->yhot != cursor->bits->yhot)) + XineramaCheckPhysLimits(cursor, FALSE); + (*sprite.screen->DisplayCursor)(sprite.screen, cursor); + FreeCursor(sprite.current, (Cursor)0); + sprite.current = cursor; + sprite.current->refcnt++; + } +} + +#else +#define SyntheticMotion(x, y) \ + PostSyntheticMotion(x, y, \ + 0, \ + syncEvents.playingEvents ? \ + syncEvents.time.milliseconds : \ + currentTime.milliseconds); + +#endif /* PANORAMIX */ + +void +SetMaskForEvent(Mask mask, int event) +{ + if ((event < LASTEvent) || (event >= 128)) + FatalError("SetMaskForEvent: bogus event number"); + filters[event] = mask; +} + +_X_EXPORT void +SetCriticalEvent(int event) +{ + if (event >= 128) + FatalError("SetCriticalEvent: bogus event number"); + criticalEvents[event >> 3] |= 1 << (event & 7); +} + +#ifdef SHAPE +static void +ConfineToShape(RegionPtr shape, int *px, int *py) +{ + 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 +CheckPhysLimits( + CursorPtr cursor, + Bool generateEvents, + Bool confineToScreen, + ScreenPtr pScreen) +{ + 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 +CheckVirtualMotion( + QdEventPtr qe, + WindowPtr pWin) +{ +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + XineramaCheckVirtualMotion(qe, pWin); + return; + } +#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; + } + } +#ifdef XEVIE + xeviehot.x = sprite.hot.x; + xeviehot.y = sprite.hot.y; +#endif + ROOT = WindowTable[sprite.hot.pScreen->myNum]; +} + +static void +ConfineCursorToWindow(WindowPtr pWin, Bool generateEvents, Bool confineToScreen) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + XineramaConfineCursorToWindow(pWin, generateEvents); + return; + } +#endif + + 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); + } +} + +_X_EXPORT Bool +PointerConfinedToScreen(void) +{ + return sprite.confined; +} + +/** + * Update the sprite cursor to the given cursor. + * + * ChangeToCursor() will display the new cursor and free the old cursor (if + * applicable). If the provided cursor is already the updated cursor, nothing + * happens. + */ +static void +ChangeToCursor(CursorPtr cursor) +{ +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + XineramaChangeToCursor(cursor); + return; + } +#endif + + if (cursor != sprite.current) + { + if ((sprite.current->bits->xhot != cursor->bits->xhot) || + (sprite.current->bits->yhot != cursor->bits->yhot)) + CheckPhysLimits(cursor, FALSE, sprite.confined, + (ScreenPtr)NULL); + (*sprite.hotPhys.pScreen->DisplayCursor) (sprite.hotPhys.pScreen, + cursor); + FreeCursor(sprite.current, (Cursor)0); + sprite.current = cursor; + sprite.current->refcnt++; + } +} + +/** + * @returns true if b is a descendent of a + */ +Bool +IsParent(WindowPtr a, WindowPtr b) +{ + for (b = b->parent; b; b = b->parent) + if (b == a) return TRUE; + return FALSE; +} + +/** + * Update the cursor displayed on the screen. + * + * Called whenever a cursor may have changed shape or position. + */ +static void +PostNewCursor(void) +{ + WindowPtr win; + 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; + } +} + +/** + * @return root window of current active screen. + */ +_X_EXPORT WindowPtr +GetCurrentRootWindow(void) +{ + return ROOT; +} + +/** + * @return window underneath the cursor sprite. + */ +_X_EXPORT WindowPtr +GetSpriteWindow(void) +{ + return sprite.win; +} + +/** + * @return current sprite cursor. + */ +_X_EXPORT CursorPtr +GetSpriteCursor(void) +{ + return sprite.current; +} + +/** + * Set x/y current sprite position in screen coordinates. + */ +_X_EXPORT void +GetSpritePosition(int *px, int *py) +{ + *px = sprite.hotPhys.x; + *py = sprite.hotPhys.y; +} + +#ifdef PANORAMIX +_X_EXPORT int +XineramaGetCursorScreen(void) +{ + if(!noPanoramiXExtension) { + return sprite.screen->myNum; + } else { + return 0; + } +} +#endif /* PANORAMIX */ + +#define TIMESLOP (5 * 60 * 1000) /* 5 minutes */ + +static void +MonthChangedOrBadTime(xEvent *xE) +{ + /* 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_KBPTR.time) > TIMESLOP) + currentTime.months++; + else + XE_KBPTR.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(xEvent *xE) +{ + if (!syncEvents.playingEvents) + NoticeTime(xE); +} + +/************************************************************************** + * The following procedures deal with synchronous events * + **************************************************************************/ + +void +EnqueueEvent(xEvent *xE, DeviceIntPtr device, int count) +{ + QdEventPtr tail = *syncEvents.pendtail; + QdEventPtr qe; + xEvent *qxE; + + NoticeTime(xE); + +#ifdef XKB + /* Fix for key repeating bug. */ + if (device->key != NULL && device->key->xkbInfo != NULL && + xE->u.u.type == KeyRelease) + AccessXCancelRepeatKey(device->key->xkbInfo, xE->u.u.detail); +#endif + + 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_KBPTR.root = + WindowTable[sprite.hotPhys.pScreen->myNum]->drawable.id; + eventinfo.events = xE; + eventinfo.count = count; + CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo); + } + if (xE->u.u.type == MotionNotify) + { +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + XE_KBPTR.rootX += panoramiXdataPtr[sprite.screen->myNum].x - + panoramiXdataPtr[0].x; + XE_KBPTR.rootY += panoramiXdataPtr[sprite.screen->myNum].y - + panoramiXdataPtr[0].y; + } +#endif + sprite.hotPhys.x = XE_KBPTR.rootX; + sprite.hotPhys.y = XE_KBPTR.rootY; + /* do motion compression, but not if from different devices */ + if (tail && + (tail->event->u.u.type == MotionNotify) && + (tail->device == device) && + (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_KBPTR.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 +PlayReleasedEvents(void) +{ + QdEventPtr *prev, qe; + 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; +#ifdef PANORAMIX + /* Translate back to the sprite screen since processInputProc + will translate from sprite screen to screen 0 upon reentry + to the DIX layer */ + if(!noPanoramiXExtension) { + qe->event->u.keyButtonPointer.rootX += + panoramiXdataPtr[0].x - + panoramiXdataPtr[sprite.screen->myNum].x; + qe->event->u.keyButtonPointer.rootY += + panoramiXdataPtr[0].y - + panoramiXdataPtr[sprite.screen->myNum].y; + } +#endif + (*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 +FreezeThaw(DeviceIntPtr dev, Bool frozen) +{ + dev->sync.frozen = frozen; + if (frozen) + dev->public.processInputProc = dev->public.enqueueInputProc; + else + dev->public.processInputProc = dev->public.realInputProc; +} + +static void +ComputeFreezes(void) +{ + DeviceIntPtr replayDev = syncEvents.replayDev; + int i; + WindowPtr w; + xEvent *xE; + int count; + GrabPtr grab; + 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_KBPTR.rootX, XE_KBPTR.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(); +} + +#ifdef RANDR +void +ScreenRestructured (ScreenPtr pScreen) +{ + GrabPtr grab; + + 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); +} +#endif + +static void +CheckGrabForSyncs(DeviceIntPtr thisDev, Bool thisMode, Bool otherMode) +{ + GrabPtr grab = thisDev->grab; + 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(); +} + +/** + * Activate a pointer grab on the given device. A pointer grab will cause all + * core pointer events to be delivered to the grabbing client only. Can cause + * the cursor to change if a grab cursor is set. + * + * As a pointer grab can only be issued on the core devices, mouse is always + * inputInfo.pointer. Extension devices are set up for ActivateKeyboardGrab(). + * + * @param mouse The device to grab. + * @param grab The grab structure, needs to be setup. + * @param autoGrab True if the grab was caused by a button down event and not + * explicitely by a client. + */ +void +ActivatePointerGrab(DeviceIntPtr mouse, GrabPtr grab, + 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); +} + +/** + * Delete grab on given device, update the sprite. + * + * As a pointer grab can only be issued on the core devices, mouse is always + * inputInfo.pointer. Extension devices are set up for ActivateKeyboardGrab(). + */ +void +DeactivatePointerGrab(DeviceIntPtr mouse) +{ + GrabPtr grab = mouse->grab; + 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(); +} + +/** + * Activate a keyboard grab on the given device. + * + * Extension devices have ActivateKeyboardGrab() set as their grabbing proc. + */ +void +ActivateKeyboardGrab(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); +} + +/** + * Delete keyboard grab for the given device. + */ +void +DeactivateKeyboardGrab(DeviceIntPtr keybd) +{ + GrabPtr grab = keybd->grab; + DeviceIntPtr dev; + 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(ClientPtr client, TimeStamp time, DeviceIntPtr thisDev, int newState) +{ + Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced; + TimeStamp grabTime; + 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; + } +} + +/** + * Server-side protocol handling for AllowEvents request. + * + * Release some events from a frozen device. Only applicable for core devices. + */ +int +ProcAllowEvents(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; +} + +/** + * Deactivate grabs from any device that has been grabbed by the client. + */ +void +ReleaseActiveGrabs(ClientPtr client) +{ + 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 * + **************************************************************************/ + +/** + * Deliver the given events to the given client. + * + * More than one event may be delivered at a time. This is the case with + * DeviceMotionNotifies which may be followed by DeviceValuator events. + * + * TryClientEvents() is the last station before actually writing the events to + * the socket. Anything that is not filtered here, will get delivered to the + * client. + * An event is only delivered if + * - mask and filter match up. + * - no other client has a grab on the device that caused the event. + * + * + * @param client The target client to deliver to. + * @param pEvents The events to be delivered. + * @param count Number of elements in pEvents. + * @param mask Event mask as set by the window. + * @param filter Mask based on event type. + * @param grab Possible grab on the device that caused the event. + * + * @return 1 if event was delivered, 0 if not or -1 if grab was not set by the + * client. + */ +_X_EXPORT int +TryClientEvents (ClientPtr client, xEvent *pEvents, int count, Mask mask, + Mask filter, GrabPtr grab) +{ + int i; + int type; + +#ifdef 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_EVENTS + ErrorF("\n"); + ErrorF("motionHintWindow == keyButtonPointer.event\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)) + { +#ifdef SMART_SCHEDULE + if (client->smart_priority < SMART_MAX_PRIORITY) + client->smart_priority++; +#endif + SetCriticalOutputPending(); + } + + WriteEventsToClient(client, count, pEvents); +#ifdef DEBUG_EVENTS + ErrorF( " delivered\n"); +#endif + return 1; + } + else + { +#ifdef DEBUG_EVENTS + ErrorF("\n"); +#endif + return 0; + } +} + +/** + * Deliver events to a window. At this point, we do not yet know if the event + * actually needs to be delivered. May activate a grab if the event is a + * button press. + * + * More than one event may be delivered at a time. This is the case with + * DeviceMotionNotifies which may be followed by DeviceValuator events. + * + * @param pWin The window that would get the event. + * @param pEvents The events to be delivered. + * @param count Number of elements in pEvents. + * @param filter Mask based on event type. + * @param grab Possible grab on the device that caused the event. + * @param mskidx Mask index, depending on device that caused event. + * + * @return Number of events delivered to various clients. + */ +int +DeliverEventsToWindow(WindowPtr pWin, xEvent *pEvents, int count, + Mask filter, GrabPtr grab, int mskidx) +{ + int deliveries = 0, nondeliveries = 0; + int attempt; + InputClients *other; + ClientPtr client = NullClient; + Mask deliveryMask = 0; /* 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 (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count)) + /* do nothing */; + else 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 (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin, pEvents, + count)) + /* do nothing */; + else 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) +#ifdef XKB + || (type == DeviceButtonPress) +#endif + ) && 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. +*/ + +#ifdef PANORAMIX +static int +XineramaTryClientEventsResult( + ClientPtr client, + GrabPtr grab, + Mask mask, + Mask filter +){ + if ((client) && (client != serverClient) && (!client->clientGone) && + ((filter == CantBeFiltered) || (mask & filter))) + { + if (grab && !SameClient(grab, client)) return -1; + else return 1; + } + return 0; +} +#endif + +/** + * Try to deliver events to the interested parties. + * + * @param pWin The window that would get the event. + * @param pEvents The events to be delivered. + * @param count Number of elements in pEvents. + * @param filter Mask based on event type. + * @param dontClient Don't deliver to the dontClient. + */ +int +MaybeDeliverEventsToClient(WindowPtr pWin, xEvent *pEvents, + int count, Mask filter, ClientPtr dontClient) +{ + OtherClients *other; + + + if (pWin->eventMask & filter) + { + if (wClient(pWin) == dontClient) + return 0; +#ifdef PANORAMIX + if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) + return XineramaTryClientEventsResult( + wClient(pWin), NullGrab, pWin->eventMask, filter); +#endif + if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count)) + return 1; /* don't send, but pretend we did */ + 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; +#ifdef PANORAMIX + if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) + return XineramaTryClientEventsResult( + rClient(other), NullGrab, other->mask, filter); +#endif + if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin, pEvents, + count)) + return 1; /* don't send, but pretend we did */ + return TryClientEvents(rClient(other), pEvents, count, + other->mask, filter, NullGrab); + } + } + return 2; +} + +/** + * Adjust event fields to comply with the window properties. + * + * @param xE Event to be modified in place + * @param pWin The window to get the information from. + * @param child Child window setting for event (if applicable) + * @param calcChild If True, calculate the child window. + */ +static void +FixUpEventFromWindow( + xEvent *xE, + WindowPtr pWin, + Window child, + Bool calcChild) +{ + 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_KBPTR.root = ROOT->drawable.id; + XE_KBPTR.event = pWin->drawable.id; + if (sprite.hot.pScreen == pWin->drawable.pScreen) + { + XE_KBPTR.sameScreen = xTrue; + XE_KBPTR.child = child; + XE_KBPTR.eventX = + XE_KBPTR.rootX - pWin->drawable.x; + XE_KBPTR.eventY = + XE_KBPTR.rootY - pWin->drawable.y; + } + else + { + XE_KBPTR.sameScreen = xFalse; + XE_KBPTR.child = None; + XE_KBPTR.eventX = 0; + XE_KBPTR.eventY = 0; + } +} + +/** + * Deliver events caused by input devices. Called for all core input events + * and XI events. No filtering of events happens before DeliverDeviceEvents(), + * it will be called for any event that comes out of the event queue. + * + * For all core events, dev is either inputInfo.pointer or inputInfo.keyboard. + * For all extension events, dev is the device that caused the event. + * + * @param pWin Window to deliver event to. + * @param xE Events to deliver. + * @param grab Possible grab on a device. + * @param stopAt Don't recurse up to the root window. + * @param dev The device that is responsible for the event. + * @param count number of events in xE. + * + */ +int +DeliverDeviceEvents(WindowPtr pWin, xEvent *xE, GrabPtr grab, + WindowPtr stopAt, DeviceIntPtr dev, int count) +{ + Window child = None; + int type = xE->u.u.type; + Mask filter = filters[type]; + int deliveries = 0; + + if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, xE, count)) + return 0; + + if (type & EXTENSION_EVENT_BASE) + { + 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; +} + +/** + * Deliver event to a window and it's immediate parent. Used for most window + * events (CreateNotify, ConfigureNotify, etc.). Not useful for events that + * propagate up the tree or extension events + * + * In case of a ReparentNotify event, the event will be delivered to the + * otherParent as well. + * + * @param pWin Window to deliver events to. + * @param xE Events to deliver. + * @param count number of events in xE. + * @param otherParent Used for ReparentNotify events. + */ +_X_EXPORT int +DeliverEvents(WindowPtr pWin, xEvent *xE, int count, + WindowPtr otherParent) +{ + Mask filter; + int deliveries; + +#ifdef PANORAMIX + if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) + return count; +#endif + + 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 Bool +PointInBorderSize(WindowPtr pWin, int x, int y) +{ + BoxRec box; + + if(POINT_IN_REGION(pWin->drawable.pScreen, &pWin->borderSize, x, y, &box)) + return TRUE; + +#ifdef PANORAMIX + if(!noPanoramiXExtension && XineramaSetWindowPntrs(pWin)) { + int i; + + for(i = 1; i < PanoramiXNumScreens; i++) { + if(POINT_IN_REGION(sprite.screen, + &sprite.windows[i]->borderSize, + x + panoramiXdataPtr[0].x - panoramiXdataPtr[i].x, + y + panoramiXdataPtr[0].y - panoramiXdataPtr[i].y, + &box)) + return TRUE; + } + } +#endif + return FALSE; +} + +/** + * Traversed from the root window to the window at the position x/y. While + * traversing, it sets up the traversal history in the spriteTrace array. + * After completing, the spriteTrace history is set in the following way: + * spriteTrace[0] ... root window + * spriteTrace[1] ... top level window that encloses x/y + * ... + * spriteTrace[spriteTraceGood - 1] ... window at x/y + * + * @returns the window at the given coordinates. + */ +static WindowPtr +XYToWindow(int x, int y) +{ + WindowPtr pWin; + BoxRec box; + + 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) || PointInBorderSize(pWin, x, y)) + && (!wInputShape(pWin) || + POINT_IN_REGION(pWin->drawable.pScreen, + wInputShape(pWin), + x - pWin->drawable.x, + y - pWin->drawable.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]; +} + +/** + * Update the sprite coordinates based on the event. Update the cursor + * position, then update the event with the new coordinates that may have been + * changed. If the window underneath the sprite has changed, change to new + * cursor and send enter/leave events. + */ +static Bool +CheckMotion(xEvent *xE) +{ + WindowPtr prevSpriteWin = sprite.win; + +#ifdef PANORAMIX + if(!noPanoramiXExtension) + return XineramaCheckMotion(xE); +#endif + + 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_KBPTR.rootX; + sprite.hot.y = XE_KBPTR.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 +#ifdef XEVIE + xeviehot.x = sprite.hot.x; + xeviehot.y = sprite.hot.y; +#endif + sprite.hotPhys = sprite.hot; + if ((sprite.hotPhys.x != XE_KBPTR.rootX) || + (sprite.hotPhys.y != XE_KBPTR.rootY)) + { + (*sprite.hotPhys.pScreen->SetCursorPosition)( + sprite.hotPhys.pScreen, + sprite.hotPhys.x, sprite.hotPhys.y, FALSE); + } + XE_KBPTR.rootX = sprite.hot.x; + XE_KBPTR.rootY = sprite.hot.y; + } + +#ifdef XEVIE + xeviewin = +#endif + 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; +} + +/** + * Windows have restructured, we need to update the sprite position and the + * sprite's cursor. + */ +_X_EXPORT void +WindowsRestructured(void) +{ + (void) CheckMotion((xEvent *)NULL); +} + +#ifdef PANORAMIX +/* This was added to support reconfiguration under Xdmx. The problem is + * that if the 0th screen (i.e., WindowTable[0]) is moved to an origin + * other than 0,0, the information in the private sprite structure must + * be updated accordingly, or XYToWindow (and other routines) will not + * compute correctly. */ +void ReinitializeRootWindow(WindowPtr win, int xoff, int yoff) +{ + GrabPtr grab; + + if (noPanoramiXExtension) return; + + sprite.hot.x -= xoff; + sprite.hot.y -= yoff; + + sprite.hotPhys.x -= xoff; + sprite.hotPhys.y -= yoff; + + sprite.hotLimits.x1 -= xoff; + sprite.hotLimits.y1 -= yoff; + sprite.hotLimits.x2 -= xoff; + sprite.hotLimits.y2 -= yoff; + + if (REGION_NOTEMPTY(sprite.screen, &sprite.Reg1)) + REGION_TRANSLATE(sprite.screen, &sprite.Reg1, xoff, yoff); + if (REGION_NOTEMPTY(sprite.screen, &sprite.Reg2)) + REGION_TRANSLATE(sprite.screen, &sprite.Reg2, xoff, yoff); + + /* FIXME: if we call ConfineCursorToWindow, must we do anything else? */ + 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); +} +#endif + +/** + * Set the given window to sane values, display the cursor in the center of + * the screen. Called from main() with the root window on the first screen. + */ +void +DefineInitialRootWindow(WindowPtr win) +{ + 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; +#ifdef XEVIE + xeviewin = +#endif + sprite.win = win; + sprite.current = wCursor (win); + sprite.current->refcnt++; + 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); + +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + sprite.hotLimits.x1 = -panoramiXdataPtr[0].x; + sprite.hotLimits.y1 = -panoramiXdataPtr[0].y; + sprite.hotLimits.x2 = PanoramiXPixWidth - panoramiXdataPtr[0].x; + sprite.hotLimits.y2 = PanoramiXPixHeight - panoramiXdataPtr[0].y; + sprite.physLimits = sprite.hotLimits; + sprite.confineWin = NullWindow; +#ifdef SHAPE + sprite.hotShape = NullRegion; +#endif + sprite.screen = pScreen; + /* gotta UNINIT these someplace */ + REGION_NULL(pScreen, &sprite.Reg1); + REGION_NULL(pScreen, &sprite.Reg2); + } +#endif +} + +/** + * Update the mouse sprite info when the server switches from a pScreen to another. + * Otherwise, the pScreen of the mouse sprite is never updated when we switch + * from a pScreen to another. Never updating the pScreen of the mouse sprite + * implies that windows that are in pScreen whose pScreen->myNum >0 will never + * get pointer events. This is because in CheckMotion(), sprite.hotPhys.pScreen + * always points to the first pScreen it has been set by + * DefineInitialRootWindow(). + * + * Calling this function is useful for use cases where the server + * has more than one pScreen. + * This function is similar to DefineInitialRootWindow() but it does not + * reset the mouse pointer position. + * @param win must be the new pScreen we are switching to. + */ +void +UpdateSpriteForScreen(ScreenPtr pScreen) +{ + WindowPtr win = NULL; + if (!pScreen) + return ; + win = WindowTable[pScreen->myNum]; + + sprite.hotPhys.pScreen = pScreen; + sprite.hot = sprite.hotPhys; + sprite.hotLimits.x2 = pScreen->width; + sprite.hotLimits.y2 = pScreen->height; +#ifdef XEVIE + xeviewin = +#endif + sprite.win = win; + sprite.current = wCursor (win); + sprite.current->refcnt++; + spriteTraceGood = 1; + ROOT = win; + (*pScreen->CursorLimits) (pScreen, + sprite.current, + &sprite.hotLimits, + &sprite.physLimits); + sprite.confined = FALSE; + (*pScreen->ConstrainCursor) (pScreen, &sprite.physLimits); + (*pScreen->DisplayCursor) (pScreen, sprite.current); + +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + sprite.hotLimits.x1 = -panoramiXdataPtr[0].x; + sprite.hotLimits.y1 = -panoramiXdataPtr[0].y; + sprite.hotLimits.x2 = PanoramiXPixWidth - panoramiXdataPtr[0].x; + sprite.hotLimits.y2 = PanoramiXPixHeight - panoramiXdataPtr[0].y; + sprite.physLimits = sprite.hotLimits; + sprite.screen = pScreen; + } +#endif +} + +/* + * 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. + */ +void +WindowHasNewCursor(WindowPtr pWin) +{ + PostNewCursor(); +} + +_X_EXPORT void +NewCurrentScreen(ScreenPtr newScreen, int x, int y) +{ + sprite.hotPhys.x = x; + sprite.hotPhys.y = y; +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + sprite.hotPhys.x += panoramiXdataPtr[newScreen->myNum].x - + panoramiXdataPtr[0].x; + sprite.hotPhys.y += panoramiXdataPtr[newScreen->myNum].y - + panoramiXdataPtr[0].y; + if (newScreen != sprite.screen) { + sprite.screen = newScreen; + /* Make sure we tell the DDX to update its copy of the screen */ + if(sprite.confineWin) + XineramaConfineCursorToWindow(sprite.confineWin, TRUE); + else + XineramaConfineCursorToWindow(WindowTable[0], TRUE); + /* if the pointer wasn't confined, the DDX won't get + told of the pointer warp so we reposition it here */ + if(!syncEvents.playingEvents) + (*sprite.screen->SetCursorPosition)(sprite.screen, + sprite.hotPhys.x + panoramiXdataPtr[0].x - + panoramiXdataPtr[sprite.screen->myNum].x, + sprite.hotPhys.y + panoramiXdataPtr[0].y - + panoramiXdataPtr[sprite.screen->myNum].y, FALSE); + } + } else +#endif + if (newScreen != sprite.hotPhys.pScreen) + ConfineCursorToWindow(WindowTable[newScreen->myNum], TRUE, FALSE); +} + +#ifdef PANORAMIX + +static Bool +XineramaPointInWindowIsVisible( + WindowPtr pWin, + int x, + int y +) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + BoxRec box; + int i, xoff, yoff; + + if (!pWin->realized) return FALSE; + + if (POINT_IN_REGION(pScreen, &pWin->borderClip, x, y, &box)) + return TRUE; + + if(!XineramaSetWindowPntrs(pWin)) return FALSE; + + xoff = x + panoramiXdataPtr[0].x; + yoff = y + panoramiXdataPtr[0].y; + + for(i = 1; i < PanoramiXNumScreens; i++) { + pWin = sprite.windows[i]; + pScreen = pWin->drawable.pScreen; + x = xoff - panoramiXdataPtr[i].x; + y = yoff - panoramiXdataPtr[i].y; + + if(POINT_IN_REGION(pScreen, &pWin->borderClip, x, y, &box) + && (!wInputShape(pWin) || + POINT_IN_REGION(pWin->drawable.pScreen, + wInputShape(pWin), + x - pWin->drawable.x, + y - pWin->drawable.y, &box))) + return TRUE; + + } + + return FALSE; +} + +static int +XineramaWarpPointer(ClientPtr client) +{ + WindowPtr dest = NULL; + int x, y, rc; + + REQUEST(xWarpPointerReq); + + + if (stuff->dstWid != None) { + rc = dixLookupWindow(&dest, stuff->dstWid, client, DixReadAccess); + if (rc != Success) + return rc; + } + x = sprite.hotPhys.x; + y = sprite.hotPhys.y; + + if (stuff->srcWid != None) + { + int winX, winY; + XID winID = stuff->srcWid; + WindowPtr source; + + rc = dixLookupWindow(&source, winID, client, DixReadAccess); + if (rc != Success) + return rc; + + winX = source->drawable.x; + winY = source->drawable.y; + if(source == WindowTable[0]) { + winX -= panoramiXdataPtr[0].x; + winY -= panoramiXdataPtr[0].y; + } + if (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) || + !XineramaPointInWindowIsVisible(source, x, y)) + return Success; + } + if (dest) { + x = dest->drawable.x; + y = dest->drawable.y; + if(dest == WindowTable[0]) { + x -= panoramiXdataPtr[0].x; + y -= panoramiXdataPtr[0].y; + } + } + + x += stuff->dstX; + y += stuff->dstY; + + 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; + if (sprite.hotShape) + ConfineToShape(sprite.hotShape, &x, &y); + + XineramaSetCursorPosition(x, y, TRUE); + + return Success; +} + +#endif + + +/** + * Server-side protocol handling for WarpPointer request. + * Warps the cursor position to the coordinates given in the request. + */ +int +ProcWarpPointer(ClientPtr client) +{ + WindowPtr dest = NULL; + int x, y, rc; + ScreenPtr newScreen; + DeviceIntPtr dev; + REQUEST(xWarpPointerReq); + REQUEST_SIZE_MATCH(xWarpPointerReq); + + for (dev = inputInfo.devices; dev; dev = dev->next) { + if ((dev->coreEvents || dev == inputInfo.pointer) && dev->button) { + rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixWriteAccess); + if (rc != Success) + return rc; + } + } +#ifdef PANORAMIX + if(!noPanoramiXExtension) + return XineramaWarpPointer(client); +#endif + + if (stuff->dstWid != None) { + rc = dixLookupWindow(&dest, stuff->dstWid, client, DixGetAttrAccess); + if (rc != Success) + return rc; + } + x = sprite.hotPhys.x; + y = sprite.hotPhys.y; + + if (stuff->srcWid != None) + { + int winX, winY; + XID winID = stuff->srcWid; + WindowPtr source; + + rc = dixLookupWindow(&source, winID, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + 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; +#if defined(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; +} + +static Bool +BorderSizeNotEmpty(WindowPtr pWin) +{ + if(REGION_NOTEMPTY(sprite.hotPhys.pScreen, &pWin->borderSize)) + return TRUE; + +#ifdef PANORAMIX + if(!noPanoramiXExtension && XineramaSetWindowPntrs(pWin)) { + int i; + + for(i = 1; i < PanoramiXNumScreens; i++) { + if(REGION_NOTEMPTY(sprite.screen, &sprite.windows[i]->borderSize)) + return TRUE; + } + } +#endif + return FALSE; +} + +/** + * "CheckPassiveGrabsOnWindow" checks to see if the event passed in causes a + * passive grab set on the window to be activated. + * If a passive grab is activated, the event will be delivered to the client. + * + * @param pWin The window that may be subject to a passive grab. + * @param device Device that caused the event. + * @param xE List of events (multiple ones for DeviceMotionNotify) + * @count number of elements in xE. + */ + +static Bool +CheckPassiveGrabsOnWindow( + WindowPtr pWin, + DeviceIntPtr device, + xEvent *xE, + int count) +{ + GrabPtr grab = wPassiveGrabs(pWin); + GrabRec tempGrab; + 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) +#if defined(XINPUT) && defined(XKB) + || (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 && + BorderSizeNotEmpty(grab->confineTo)))) + { +#ifdef XKB + if (!noXkbExtension) { + XE_KBPTR.state &= 0x1f00; + XE_KBPTR.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 the 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 + * + * If a grab is activated, the event has been sent to the client already! + * + * @param device The device that caused the event. + * @param xE The event to handle (most likely {Device}ButtonPress). + * @param count Number of events in list. + * @return TRUE if a grab has been activated or false otherwise. +*/ + +Bool +CheckDeviceGrabs(DeviceIntPtr device, xEvent *xE, + int checkFirst, int count) +{ + int i; + WindowPtr pWin = NULL; + FocusClassPtr focus = device->focus; + + if (((xE->u.u.type == ButtonPress) +#if defined(XINPUT) && defined(XKB) + || (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; +} + +/** + * Called for keyboard events to deliver event to whatever client owns the + * focus. Event is delivered to the keyboard's focus window, the root window + * or to the window owning the input focus. + * + * @param keybd The keyboard originating the event. + * @param xE The event list. + * @param window Window underneath the sprite. + * @param count number of events in xE. + */ +void +DeliverFocusedEvent(DeviceIntPtr keybd, xEvent *xE, 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; + } + if (XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, xE, 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); +} + +/** + * Deliver an event from a device that is currently grabbed. Uses + * DeliverDeviceEvents() for further delivery if a ownerEvents is set on the + * grab. If not, TryClientEvents() is used. + * + * @param deactivateGrab True if the device's grab should be deactivated. + */ +void +DeliverGrabbedEvent(xEvent *xE, DeviceIntPtr thisDev, + Bool deactivateGrab, int count) +{ + GrabPtr grab = thisDev->grab; + int deliveries = 0; + DeviceIntPtr dev; + 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); + if (XaceHook(XACE_SEND_ACCESS, 0, thisDev, grab->window, xE, count) || + XaceHook(XACE_RECEIVE_ACCESS, rClient(grab), grab->window, xE, + count)) + deliveries = 1; /* don't send, but pretend we did */ + else + 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; + } +} + +/** + * Main keyboard event processing function for core keyboard events. + * Updates the events fields from the current pointer state and delivers the + * event. + * + * For key events, xE will always be a single event. + * + * @param xE Event list + * @param keybd The device that caused an event. + * @param count Number of elements in xE. + */ +void +#ifdef XKB +CoreProcessKeyboardEvent (xEvent *xE, DeviceIntPtr keybd, int count) +#else +ProcessKeyboardEvent (xEvent *xE, DeviceIntPtr keybd, int count) +#endif +{ + int key, bit; + BYTE *kptr; + int i; + CARD8 modifiers; + CARD16 mask; + GrabPtr grab = keybd->grab; + Bool deactivateGrab = FALSE; + KeyClassPtr keyc = keybd->key; +#ifdef XEVIE + static Window rootWin = 0; + + if(!xeviegrabState && xevieFlag && clients[xevieClientIndex] && + (xevieMask & xevieFilters[xE->u.u.type])) { + key = xE->u.u.detail; + kptr = &keyc->down[key >> 3]; + bit = 1 << (key & 7); + if((xE->u.u.type == KeyPress && (*kptr & bit)) || + (xE->u.u.type == KeyRelease && !(*kptr & bit))) + {} else { +#ifdef XKB + if(!noXkbExtension) + xevieKBEventSent = 1; +#endif + if(!xevieKBEventSent) + { + xeviekb = keybd; + if(!rootWin) { + rootWin = GetCurrentRootWindow()->drawable.id; + } + xE->u.keyButtonPointer.event = xeviewin->drawable.id; + xE->u.keyButtonPointer.root = rootWin; + xE->u.keyButtonPointer.child = (xeviewin->firstChild) ? xeviewin->firstChild-> +drawable.id:0; + xE->u.keyButtonPointer.rootX = xeviehot.x; + xE->u.keyButtonPointer.rootY = xeviehot.y; + xE->u.keyButtonPointer.state = keyc->state; + WriteToClient(clients[xevieClientIndex], sizeof(xEvent), (char *)xE); +#ifdef XKB + if(noXkbExtension) +#endif + return; + } else { + xevieKBEventSent = 0; + } + } + } +#endif + + if (!syncEvents.playingEvents) + { + NoticeTime(xE); + if (DeviceEventCallback) + { + DeviceEventInfoRec eventinfo; + eventinfo.events = xE; + eventinfo.count = count; + CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo); + } + } +#ifdef XEVIE + /* fix for bug5094030: don't change the state bit if the event is from XEvIE client */ + if(!(!xeviegrabState && xevieFlag && clients[xevieClientIndex] && + (xevieMask & xevieFilters[xE->u.u.type] +#ifdef XKB + && !noXkbExtension +#endif + ))) +#endif + XE_KBPTR.state = (keyc->state | inputInfo.pointer->button->state); + XE_KBPTR.rootX = sprite.hot.x; + XE_KBPTR.rootY = sprite.hot.y; + key = xE->u.u.detail; + kptr = &keyc->down[key >> 3]; + bit = 1 << (key & 7); + modifiers = keyc->modifierMap[key]; +#if defined(XKB) && defined(XEVIE) + if(!noXkbExtension && !xeviegrabState && + xevieFlag && clients[xevieClientIndex] && + (xevieMask & xevieFilters[xE->u.u.type])) { + switch(xE->u.u.type) { + case KeyPress: *kptr &= ~bit; break; + case KeyRelease: *kptr |= bit; break; + } + } +#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); + + XaceHook(XACE_KEY_AVAIL, xE, keybd, count); +} + +#ifdef XKB +/* This function is used to set the key pressed or key released state - + this is only used when the pressing of keys does not cause + the device's processInputProc to be called, as in for example Mouse Keys. +*/ +void +FixKeyState (xEvent *xE, DeviceIntPtr keybd) +{ + int key, bit; + BYTE *kptr; + KeyClassPtr keyc = keybd->key; + + key = xE->u.u.detail; + kptr = &keyc->down[key >> 3]; + bit = 1 << (key & 7); + + if (((xE->u.u.type==KeyPress)||(xE->u.u.type==KeyRelease)|| + (xE->u.u.type==DeviceKeyPress)||(xE->u.u.type==DeviceKeyRelease)) + ) { + DebugF("FixKeyState: Key %d %s\n",key, + (((xE->u.u.type==KeyPress)||(xE->u.u.type==DeviceKeyPress))?"down":"up")); + } + + if (xE->u.u.type == KeyPress || xE->u.u.type == DeviceKeyPress) + *kptr |= bit; + else if (xE->u.u.type == KeyRelease || xE->u.u.type == DeviceKeyRelease) + *kptr &= ~bit; + else + FatalError("Impossible keyboard event"); +} +#endif + +/** + * Main pointer event processing function for core pointer events. + * For motion events: update the sprite. + * For all other events: Update the event fields based on the current sprite + * state. + * + * For core pointer events, xE will always be a single event. + * + * @param xE Event list + * @param mouse The device that caused an event. + * @param count Number of elements in xE. + */ +void +#ifdef XKB +CoreProcessPointerEvent (xEvent *xE, DeviceIntPtr mouse, int count) +#else +ProcessPointerEvent (xEvent *xE, DeviceIntPtr mouse, int count) +#endif +{ + GrabPtr grab = mouse->grab; + Bool deactivateGrab = FALSE; + ButtonClassPtr butc = mouse->button; +#ifdef XKB + XkbSrvInfoPtr xkbi= inputInfo.keyboard->key->xkbInfo; +#endif +#ifdef XEVIE + if(xevieFlag && clients[xevieClientIndex] && !xeviegrabState && + (xevieMask & xevieFilters[xE->u.u.type])) { + if(xevieEventSent) + xevieEventSent = 0; + else { + xeviemouse = mouse; + WriteToClient(clients[xevieClientIndex], sizeof(xEvent), (char *)xE); + return; + } + } +#endif + + if (!syncEvents.playingEvents) + NoticeTime(xE) + XE_KBPTR.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_KBPTR.root = + WindowTable[sprite.hotPhys.pScreen->myNum]->drawable.id; + eventinfo.events = xE; + eventinfo.count = count; + CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo); + } + } + if (xE->u.u.type != MotionNotify) + { + int key; + BYTE *kptr; + int bit; + + XE_KBPTR.rootX = sprite.hot.x; + XE_KBPTR.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; + if (!(*kptr & bit)) + butc->buttonsDown++; + butc->motionMask = ButtonMotionMask; + *kptr |= bit; + 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 (*kptr & bit) + --butc->buttonsDown; + if (!butc->buttonsDown) + butc->motionMask = 0; + *kptr &= ~bit; + 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: %d", xE->u.u.type); + } + } + 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) +#define ManagerMask \ + (SubstructureRedirectMask | ResizeRedirectMask) + +/** + * Recalculate which events may be deliverable for the given window. + * Recalculated mask is used for quicker determination which events may be + * delivered to a window. + * + * The otherEventMasks on a WindowOptional is the combination of all event + * masks set by all clients on the window. + * deliverableEventMask is the combination of the eventMask and the + * otherEventMask. + * + * Traverses to siblings and parents of the window. + */ +void +RecalculateDeliverableEvents(pWin) + WindowPtr pWin; +{ + OtherClients *others; + 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; + } +} + +/** + * + * \param value must conform to DeleteType + */ +int +OtherClientGone(pointer value, XID id) +{ + OtherClientsPtr other, prev; + 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(WindowPtr pWin, ClientPtr client, Mask mask) +{ + Mask check; + OtherClients * others; + int rc; + + if (mask & ~AllEventMasks) + { + client->errorValue = mask; + return BadValue; + } + check = (mask & ManagerMask); + if (check) { + rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, + RT_WINDOW, pWin, RT_NONE, NULL, DixManageAccess); + if (rc != Success) + return rc; + } + 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; + pWin->eventMask = mask; + } + else + { + for (others = wOtherClients (pWin); others; others = others->next) + { + if (SameClient(others, client)) + { + check = others->mask; + 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; +} + +int +EventSuppressForWindow(WindowPtr pWin, ClientPtr client, + Mask mask, Bool *checkOptional) +{ + int i, free; + + if (mask & ~PropagateMask) + { + 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; +} + +/** + * @return The window that is the first ancestor of both a and b. + */ +static WindowPtr +CommonAncestor( + WindowPtr a, + WindowPtr b) +{ + for (b = b->parent; b; b = b->parent) + if (IsParent(b, a)) return b; + return NullWindow; +} + +/** + * Assembles an EnterNotify or LeaveNotify and sends it event to the client. + * The core devices are used to fill in the event fields. + */ +static void +EnterLeaveEvent( + int type, + int mode, + int detail, + WindowPtr pWin, + Window child) +{ + xEvent event; + DeviceIntPtr keybd = inputInfo.keyboard; + WindowPtr focus; + DeviceIntPtr mouse = inputInfo.pointer; + 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; + ClientPtr client = grab ? rClient(grab) + : clients[CLIENT_ID(pWin->drawable.id)]; + if (XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess)) + bzero((char *)&ke.map[0], 31); + else + 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); + } +} + +/** + * Send enter notifies to all parent windows up to ancestor. + * This function recurses. + */ +static void +EnterNotifies(WindowPtr ancestor, WindowPtr child, int mode, int detail) +{ + WindowPtr parent = child->parent; + + if (ancestor == parent) + return; + EnterNotifies(ancestor, parent, mode, detail); + EnterLeaveEvent(EnterNotify, mode, detail, parent, child->drawable.id); +} + + +/** + * Send leave notifies to all parent windows up to ancestor. + * This function recurses. + */ +static void +LeaveNotifies(WindowPtr child, WindowPtr ancestor, int mode, int detail) +{ + 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; + } +} + +/** + * Figure out if enter/leave events are necessary and send them to the + * appropriate windows. + * + * @param fromWin Window the sprite moved out of. + * @param toWin Window the sprite moved into. + */ +static void +DoEnterLeaveEvents(WindowPtr fromWin, WindowPtr toWin, int mode) +{ + 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 +FocusEvent(DeviceIntPtr dev, int type, int mode, int detail, WindowPtr pWin) +{ + 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; + ClientPtr client = clients[CLIENT_ID(pWin->drawable.id)]; + if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixReadAccess)) + bzero((char *)&ke.map[0], 31); + else + 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 +FocusInEvents( + DeviceIntPtr dev, + WindowPtr ancestor, WindowPtr child, WindowPtr skipChild, + int mode, int detail, + Bool doAncestor) +{ + 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 +FocusOutEvents( + DeviceIntPtr dev, + WindowPtr child, WindowPtr ancestor, + int mode, int detail, + Bool doAncestor) +{ + 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(DeviceIntPtr dev, WindowPtr fromWin, WindowPtr 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 */ +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + FocusEvent(dev, FocusOut, mode, out, WindowTable[0]); + else +#endif + 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 */ +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + FocusEvent(dev, FocusIn, mode, in, WindowTable[0]); + else +#endif + 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); +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + FocusEvent(dev, FocusOut, mode, out, WindowTable[0]); + else +#endif + 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); + } + } + } +} + +/** + * Set the input focus to the given window. Subsequent keyboard events will be + * delivered to the given window. + * + * Usually called from ProcSetInputFocus as result of a client request. If so, + * the device is the inputInfo.keyboard. + * If called from ProcXSetInputFocus as result of a client xinput request, the + * device is set to the device specified by the client. + * + * @param client Client that requested input focus change. + * @param dev Focus device. + * @param focusID The window to obtain the focus. Can be PointerRoot or None. + * @param revertTo Specifies where the focus reverts to when window becomes + * unviewable. + * @param ctime Specifies the time. + * @param followOK True if pointer is allowed to follow the keyboard. + */ +int +SetInputFocus( + ClientPtr client, + DeviceIntPtr dev, + Window focusID, + CARD8 revertTo, + Time ctime, + Bool followOK) +{ + FocusClassPtr focus; + WindowPtr focusWin; + int mode, rc; + 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)(long)focusID; + else if ((focusID == FollowKeyboard) && followOK) + focusWin = inputInfo.keyboard->focus->win; + else { + rc = dixLookupWindow(&focusWin, focusID, client, DixSetAttrAccess); + if (rc != Success) + return rc; + /* It is a match error to try to set the input focus to an + unviewable window. */ + if(!focusWin->realized) + return(BadMatch); + } + rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixSetFocusAccess); + if (rc != Success) + return Success; + + 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; + 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; +} + +/** + * Server-side protocol handling for SetInputFocus request. + * + * Sets the input focus for the virtual core keyboard. + */ +int +ProcSetInputFocus(client) + ClientPtr client; +{ + REQUEST(xSetInputFocusReq); + + REQUEST_SIZE_MATCH(xSetInputFocusReq); + + return SetInputFocus(client, inputInfo.keyboard, stuff->focus, + stuff->revertTo, stuff->time, FALSE); +} + +/** + * Server-side protocol handling for GetInputFocus request. + * + * Sends the current input focus for the virtual core keyboard back to the + * client. + */ +int +ProcGetInputFocus(ClientPtr client) +{ + xGetInputFocusReply rep; + FocusClassPtr focus = inputInfo.keyboard->focus; + int rc; + /* REQUEST(xReq); */ + REQUEST_SIZE_MATCH(xReq); + + rc = XaceHook(XACE_DEVICE_ACCESS, client, inputInfo.keyboard, + DixGetFocusAccess); + if (rc != Success) + return rc; + + 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; +} + +/** + * Server-side protocol handling for Grabpointer request. + * + * Sets an active grab on the inputInfo.pointer and returns success status to + * client. + */ +int +ProcGrabPointer(ClientPtr client) +{ + xGrabPointerReply rep; + DeviceIntPtr device = inputInfo.pointer; + GrabPtr grab; + WindowPtr pWin, confineTo; + CursorPtr cursor, oldCursor; + REQUEST(xGrabPointerReq); + TimeStamp time; + Mask access_mode = DixGrabAccess; + int rc; + + 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) + { + client->errorValue = stuff->eventMask; + return BadValue; + } + rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess); + if (rc != Success) + return rc; + if (stuff->confineTo == None) + confineTo = NullWindow; + else + { + rc = dixLookupWindow(&confineTo, stuff->confineTo, client, + DixSetAttrAccess); + if (rc != Success) + return rc; + } + if (stuff->cursor == None) + cursor = NullCursor; + else + { + rc = dixLookupResource((pointer *)&cursor, stuff->cursor, RT_CURSOR, + client, DixUseAccess); + if (rc != Success) + { + client->errorValue = stuff->cursor; + return (rc == BadValue) ? BadCursor : rc; + } + access_mode |= DixForceAccess; + } + if (stuff->pointerMode == GrabModeSync || + stuff->keyboardMode == GrabModeSync) + access_mode |= DixFreezeAccess; + rc = XaceHook(XACE_DEVICE_ACCESS, client, device, access_mode); + if (rc != Success) + return rc; + + /* 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 && BorderSizeNotEmpty(confineTo)))) + 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; +} + +/** + * Server-side protocol handling for ChangeActivePointerGrab request. + * + * Changes properties of the grab hold by the client. If the client does not + * hold an active grab on the device, nothing happens. + * + * Works on the core pointer only. + */ +int +ProcChangeActivePointerGrab(ClientPtr client) +{ + DeviceIntPtr device = inputInfo.pointer; + GrabPtr grab = device->grab; + CursorPtr newCursor, oldCursor; + REQUEST(xChangeActivePointerGrabReq); + TimeStamp time; + + REQUEST_SIZE_MATCH(xChangeActivePointerGrabReq); + if (stuff->eventMask & ~PointerGrabMask) + { + client->errorValue = stuff->eventMask; + return BadValue; + } + if (stuff->cursor == None) + newCursor = NullCursor; + else + { + int rc = dixLookupResource((pointer *)&newCursor, stuff->cursor, + RT_CURSOR, client, DixUseAccess); + if (rc != Success) + { + client->errorValue = stuff->cursor; + return (rc == BadValue) ? BadCursor : rc; + } + } + 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; +} + +/** + * Server-side protocol handling for UngrabPointer request. + * + * Deletes the pointer grab on the core pointer device. + */ +int +ProcUngrabPointer(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; +} + +/** + * Sets a grab on the given device. + * + * Called from ProcGrabKeyboard to work on the inputInfo.keyboard. + * Called from ProcXGrabDevice to work on the device specified by the client. + * + * The parameters this_mode and other_mode represent the keyboard_mode and + * pointer_mode parameters of XGrabKeyboard(). + * See man page for details on all the parameters + * + * @param client Client that owns the grab. + * @param dev The device to grab. + * @param this_mode GrabModeSync or GrabModeAsync + * @param other_mode GrabModeSync or GrabModeAsync + * @param status Return code to be returned to the caller. + * + * @returns Success or BadValue. + */ +int +GrabDevice(ClientPtr client, DeviceIntPtr dev, + unsigned this_mode, unsigned other_mode, Window grabWindow, + unsigned ownerEvents, Time ctime, Mask mask, CARD8 *status) +{ + WindowPtr pWin; + GrabPtr grab; + TimeStamp time; + Mask access_mode = DixGrabAccess; + int rc; + + 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; + } + + rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess); + if (rc != Success) + return rc; + if (this_mode == GrabModeSync || other_mode == GrabModeSync) + access_mode |= DixFreezeAccess; + rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); + if (rc != Success) + return rc; + + 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; +} + +/** + * Server-side protocol handling for GrabKeyboard request. + * + * Grabs the inputInfo.keyboad and returns success status to client. + */ +int +ProcGrabKeyboard(ClientPtr client) +{ + xGrabKeyboardReply rep; + REQUEST(xGrabKeyboardReq); + int result; + + REQUEST_SIZE_MATCH(xGrabKeyboardReq); + + 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; +} + +/** + * Server-side protocol handling for UngrabKeyboard request. + * + * Deletes a possible grab on the inputInfo.keyboard. + */ +int +ProcUngrabKeyboard(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; +} + +/** + * Server-side protocol handling for QueryPointer request. + * + * Returns the current state and position of the core pointer to the client. + */ +int +ProcQueryPointer(ClientPtr client) +{ + xQueryPointerReply rep; + WindowPtr pWin, t; + DeviceIntPtr mouse = inputInfo.pointer; + int rc; + REQUEST(xResourceReq); + REQUEST_SIZE_MATCH(xResourceReq); + + rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess); + if (rc != Success) + return rc; + rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess); + if (rc != Success) + return rc; + + 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; + } + +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + rep.rootX += panoramiXdataPtr[0].x; + rep.rootY += panoramiXdataPtr[0].y; + if(stuff->id == rep.root) { + rep.winX += panoramiXdataPtr[0].x; + rep.winY += panoramiXdataPtr[0].y; + } + } +#endif + + WriteReplyToClient(client, sizeof(xQueryPointerReply), &rep); + + return(Success); +} + +/** + * Initializes the device list and the DIX sprite to sane values. Allocates + * trace memory used for quick window traversal. + */ +void +InitEvents(void) +{ + 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; +#ifdef XEVIE + xeviewin = +#endif + 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; + } +} + +void +CloseDownEvents(void) +{ + xfree(spriteTrace); + spriteTrace = NULL; + spriteTraceSize = 0; +} + +/** + * Server-side protocol handling for SendEvent request. + * + * Locates the window to send the event to and forwards the event. + */ +int +ProcSendEvent(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) + { + client->errorValue = stuff->event.u.u.detail; + return BadValue; + } + if (stuff->eventMask & ~AllEventMasks) + { + 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 + dixLookupWindow(&pWin, stuff->destination, client, DixSendAccess); + + 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 (XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, + &stuff->event, 1)) + return Success; + 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 if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, &stuff->event, 1)) + (void)DeliverEventsToWindow(pWin, &stuff->event, 1, stuff->eventMask, + NullGrab, 0); + return Success; +} + +/** + * Server-side protocol handling for UngrabKey request. + * + * Deletes a passive grab for the given key. Only works on the + * inputInfo.keyboard. + */ +int +ProcUngrabKey(ClientPtr client) +{ + REQUEST(xUngrabKeyReq); + WindowPtr pWin; + GrabRec tempGrab; + DeviceIntPtr keybd = inputInfo.keyboard; + int rc; + + REQUEST_SIZE_MATCH(xUngrabKeyReq); + rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixReadAccess); + if (rc != Success) + return rc; + + 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); +} + +/** + * Server-side protocol handling for GrabKey request. + * + * Creates a grab for the inputInfo.keyboard and adds it to the list of + * passive grabs. + */ +int +ProcGrabKey(ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xGrabKeyReq); + GrabPtr grab; + DeviceIntPtr keybd = inputInfo.keyboard; + int rc; + + 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; + } + rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess); + if (rc != Success) + return rc; + + 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(client, grab); +} + + +/** + * Server-side protocol handling for GrabButton request. + * + * Creates a grab for the inputInfo.pointer and adds it as a passive grab to + * the list. + */ +int +ProcGrabButton(ClientPtr client) +{ + WindowPtr pWin, confineTo; + REQUEST(xGrabButtonReq); + CursorPtr cursor; + GrabPtr grab; + Mask access_mode = DixGrabAccess; + int rc; + + 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; + } + rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess); + if (rc != Success) + return rc; + if (stuff->confineTo == None) + confineTo = NullWindow; + else { + rc = dixLookupWindow(&confineTo, stuff->confineTo, client, + DixSetAttrAccess); + if (rc != Success) + return rc; + } + if (stuff->cursor == None) + cursor = NullCursor; + else + { + rc = dixLookupResource((pointer *)&cursor, stuff->cursor, RT_CURSOR, + client, DixUseAccess); + if (rc != Success) + if (!cursor) + { + client->errorValue = stuff->cursor; + return (rc == BadValue) ? BadCursor : rc; + } + access_mode |= DixForceAccess; + } + if (stuff->pointerMode == GrabModeSync || + stuff->keyboardMode == GrabModeSync) + access_mode |= DixFreezeAccess; + rc = XaceHook(XACE_DEVICE_ACCESS, client, inputInfo.pointer, access_mode); + if (rc != Success) + return rc; + + grab = CreateGrab(client->index, inputInfo.pointer, pWin, + (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(client, grab); +} + +/** + * Server-side protocol handling for UngrabButton request. + * + * Deletes a passive grab on the inputInfo.pointer from the list. + */ +int +ProcUngrabButton(ClientPtr client) +{ + REQUEST(xUngrabButtonReq); + WindowPtr pWin; + GrabRec tempGrab; + int rc; + + REQUEST_SIZE_MATCH(xUngrabButtonReq); + if ((stuff->modifiers != AnyModifier) && + (stuff->modifiers & ~AllModifiersMask)) + { + client->errorValue = stuff->modifiers; + return BadValue; + } + rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixReadAccess); + if (rc != Success) + return rc; + 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); +} + +/** + * Deactivate any grab that may be on the window, remove the focus. + * Delete any XInput extension events from the window too. Does not change the + * window mask. Use just before the window is deleted. + * + * If freeResources is set, passive grabs on the window are deleted. + * + * @param pWin The window to delete events from. + * @param freeResources True if resources associated with the window should be + * deleted. + */ +void +DeleteWindowFromAnyEvents(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. If + * there is a grab on the window, the cursor will be re-confined into the + * window. + */ +_X_EXPORT void +CheckCursorConfinement(WindowPtr pWin) +{ + GrabPtr grab = inputInfo.pointer->grab; + WindowPtr confineTo; + +#ifdef PANORAMIX + if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) return; +#endif + + if (grab && (confineTo = grab->confineTo)) + { + if (!BorderSizeNotEmpty(confineTo)) + (*inputInfo.pointer->DeactivateGrab)(inputInfo.pointer); + else if ((pWin == confineTo) || IsParent(pWin, confineTo)) + ConfineCursorToWindow(confineTo, TRUE, TRUE); + } +} + +Mask +EventMaskForClient(WindowPtr pWin, ClientPtr client) +{ + 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; +} + +/** + * Server-side protocol handling for RecolorCursor request. + */ +int +ProcRecolorCursor(ClientPtr client) +{ + CursorPtr pCursor; + int rc, nscr; + ScreenPtr pscr; + Bool displayed; + REQUEST(xRecolorCursorReq); + + REQUEST_SIZE_MATCH(xRecolorCursorReq); + rc = dixLookupResource((pointer *)&pCursor, stuff->cursor, RT_CURSOR, + client, DixWriteAccess); + if (rc != Success) + { + client->errorValue = stuff->cursor; + return (rc == BadValue) ? BadCursor : rc; + } + + 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]; +#ifdef PANORAMIX + if(!noPanoramiXExtension) + displayed = (pscr == sprite.screen); + else +#endif + displayed = (pscr == sprite.hotPhys.pScreen); + ( *pscr->RecolorCursor)(pscr, pCursor, + (pCursor == sprite.current) && displayed); + } + return (Success); +} + +/** + * Write the given events to a client, swapping the byte order if necessary. + * To swap the byte ordering, a callback is called that has to be set up for + * the given event type. + * + * In the case of DeviceMotionNotify trailed by DeviceValuators, the events + * can be more than one. Usually it's just one event. + * + * Do not modify the event structure passed in. See comment below. + * + * @param pClient Client to send events to. + * @param count Number of events. + * @param events The event list. + */ +_X_EXPORT void +WriteEventsToClient(ClientPtr pClient, int count, xEvent *events) +{ +#ifdef PANORAMIX + xEvent eventCopy; +#endif + xEvent eventTo, *eventFrom; + int i; + +#ifdef XKB + if ((!noXkbExtension)&&(!XkbFilterEvents(pClient, count, events))) + return; +#endif + +#ifdef PANORAMIX + if(!noPanoramiXExtension && + (panoramiXdataPtr[0].x || panoramiXdataPtr[0].y)) + { + switch(events->u.u.type) { + case MotionNotify: + case ButtonPress: + case ButtonRelease: + case KeyPress: + case KeyRelease: + case EnterNotify: + case LeaveNotify: + /* + When multiple clients want the same event DeliverEventsToWindow + passes the same event structure multiple times so we can't + modify the one passed to us + */ + count = 1; /* should always be 1 */ + memcpy(&eventCopy, events, sizeof(xEvent)); + eventCopy.u.keyButtonPointer.rootX += panoramiXdataPtr[0].x; + eventCopy.u.keyButtonPointer.rootY += panoramiXdataPtr[0].y; + if(eventCopy.u.keyButtonPointer.event == + eventCopy.u.keyButtonPointer.root) + { + eventCopy.u.keyButtonPointer.eventX += panoramiXdataPtr[0].x; + eventCopy.u.keyButtonPointer.eventY += panoramiXdataPtr[0].y; + } + events = &eventCopy; + break; + default: break; + } + } +#endif + + if (EventCallback) + { + EventInfoRec eventinfo; + eventinfo.client = pClient; + eventinfo.events = events; + eventinfo.count = count; + CallCallbacks(&EventCallback, (pointer)&eventinfo); + } +#ifdef XSERVER_DTRACE + if (XSERVER_SEND_EVENT_ENABLED()) { + for (i = 0; i < count; i++) + { + XSERVER_SEND_EVENT(pClient->index, events[i].u.u.type, &events[i]); + } + } +#endif + 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); + } +} |