5559 lines
163 KiB
C
5559 lines
163 KiB
C
/************************************************************
|
|
|
|
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 events.c
|
|
* 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"
|
|
#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"
|
|
|
|
#include <X11/extensions/XKBproto.h>
|
|
#include "xkbsrv.h"
|
|
/* XKB FIXME: why is this here? */
|
|
extern Bool XkbFilterEvents(ClientPtr, int, xEvent *);
|
|
|
|
#include "xace.h"
|
|
|
|
#ifdef XSERVER_DTRACE
|
|
#include <sys/types.h>
|
|
typedef const char *string;
|
|
#include "Xserver-dtrace.h"
|
|
#endif
|
|
|
|
#include <X11/extensions/XIproto.h>
|
|
#include <X11/extensions/XI.h>
|
|
#include "exglobals.h"
|
|
#include "exevents.h"
|
|
#include "exglobals.h"
|
|
#include "extnsionst.h"
|
|
|
|
#include "dixevents.h"
|
|
#include "dixgrabs.h"
|
|
#include "dispatch.h"
|
|
|
|
#include <X11/extensions/ge.h>
|
|
#include "geext.h"
|
|
#include "geint.h"
|
|
|
|
#include "enterleave.h"
|
|
|
|
/* Extension events type numbering starts at EXTENSION_EVENT_BASE. */
|
|
#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))
|
|
|
|
/**
|
|
* Used to indicate a implicit passive grab created by a ButtonPress event.
|
|
* See DeliverEventsToWindow().
|
|
*/
|
|
#define ImplicitGrabMask (1 << 7)
|
|
/*
|
|
* 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)])
|
|
|
|
CallbackListPtr EventCallback;
|
|
CallbackListPtr DeviceEventCallback;
|
|
|
|
#define DNPMCOUNT 8
|
|
|
|
Mask DontPropagateMasks[DNPMCOUNT];
|
|
static int DontPropagateRefCnts[DNPMCOUNT];
|
|
|
|
static void CheckVirtualMotion( DeviceIntPtr pDev, QdEventPtr qe, WindowPtr pWin);
|
|
static void CheckPhysLimits(DeviceIntPtr pDev,
|
|
CursorPtr cursor,
|
|
Bool generateEvents,
|
|
Bool confineToScreen,
|
|
ScreenPtr pScreen);
|
|
|
|
/**
|
|
* Main input device struct.
|
|
* inputInfo.pointer
|
|
* is the core pointer. Referred to as "virtual core pointer", "VCP",
|
|
* "core pointer" or inputInfo.pointer. The VCP is the first master
|
|
* pointer device and cannot be deleted.
|
|
*
|
|
* inputInfo.keyboard
|
|
* is the core keyboard ("virtual core keyboard", "VCK", "core keyboard").
|
|
* See inputInfo.pointer.
|
|
*
|
|
* inputInfo.devices
|
|
* linked list containing all devices including VCP and VCK.
|
|
*
|
|
* inputInfo.off_devices
|
|
* Devices that have not been initialized and are thus turned off.
|
|
*
|
|
* inputInfo.numDevices
|
|
* Total number of devices.
|
|
*/
|
|
InputInfo inputInfo;
|
|
|
|
/**
|
|
* syncEvents is the global structure for queued events.
|
|
*
|
|
* Devices can be frozen through GrabModeSync pointer grabs. If this is the
|
|
* case, events from these devices are added to "pending" instead of being
|
|
* processed normally. When the device is unfrozen, events in "pending" are
|
|
* replayed and processed as if they would come from the device directly.
|
|
*/
|
|
static struct {
|
|
QdEventPtr pending, /**< list of queued events */
|
|
*pendtail; /**< last event in list */
|
|
/** The device to replay events for. Only set in AllowEvents(), in which
|
|
* case it is set to the device specified in the request. */
|
|
DeviceIntPtr replayDev; /* kludgy rock to put flag for */
|
|
|
|
/**
|
|
* The window the events are supposed to be replayed on.
|
|
* This window may be set to the grab's window (but only when
|
|
* Replay{Pointer|Keyboard} is given in the XAllowEvents()
|
|
* request. */
|
|
WindowPtr replayWin; /* ComputeFreezes */
|
|
/**
|
|
* Flag to indicate whether we're in the process of
|
|
* replaying events. Only set in ComputeFreezes(). */
|
|
Bool playingEvents;
|
|
TimeStamp time;
|
|
} syncEvents;
|
|
|
|
/**
|
|
* The root window the given device is currently on.
|
|
*/
|
|
#define RootWindow(dev) dev->spriteInfo->sprite->spriteTrace[0]
|
|
|
|
static xEvent* swapEvent = NULL;
|
|
static int swapEventLen = 0;
|
|
|
|
/**
|
|
* Convert the given event type from an XI event to a core event.
|
|
* @param[in] The XI 1.x event type.
|
|
* @return The matching core event type or 0 if there is none.
|
|
*/
|
|
int
|
|
XItoCoreType(int xitype)
|
|
{
|
|
int coretype = 0;
|
|
if (xitype == DeviceMotionNotify)
|
|
coretype = MotionNotify;
|
|
else if (xitype == DeviceButtonPress)
|
|
coretype = ButtonPress;
|
|
else if (xitype == DeviceButtonRelease)
|
|
coretype = ButtonRelease;
|
|
else if (xitype == DeviceKeyPress)
|
|
coretype = KeyPress;
|
|
else if (xitype == DeviceKeyRelease)
|
|
coretype = KeyRelease;
|
|
|
|
return coretype;
|
|
}
|
|
|
|
/**
|
|
* @return true if the device owns a cursor, false if device shares a cursor
|
|
* sprite with another device.
|
|
*/
|
|
Bool
|
|
DevHasCursor(DeviceIntPtr pDev)
|
|
{
|
|
return pDev->spriteInfo->spriteOwner;
|
|
}
|
|
|
|
/*
|
|
* @return true if a device is a pointer, check is the same as used by XI to
|
|
* fill the 'use' field.
|
|
*/
|
|
Bool
|
|
IsPointerDevice(DeviceIntPtr dev)
|
|
{
|
|
return (dev->valuator && dev->button);
|
|
}
|
|
|
|
/*
|
|
* @return true if a device is a keyboard, check is the same as used by XI to
|
|
* fill the 'use' field.
|
|
*
|
|
* Some pointer devices have keys as well (e.g. multimedia keys). Try to not
|
|
* count them as keyboard devices.
|
|
*/
|
|
Bool
|
|
IsKeyboardDevice(DeviceIntPtr dev)
|
|
{
|
|
return (dev->key && dev->kbdfeed) && !IsPointerDevice(dev);
|
|
}
|
|
|
|
static WindowPtr XYToWindow(
|
|
DeviceIntPtr pDev,
|
|
int x,
|
|
int y
|
|
);
|
|
|
|
/**
|
|
* Max event opcode.
|
|
*/
|
|
extern int lastEvent;
|
|
|
|
static Mask lastEventMask;
|
|
|
|
extern int DeviceMotionNotify;
|
|
|
|
#define CantBeFiltered NoEventMask
|
|
/**
|
|
* Event masks for each event type.
|
|
*
|
|
* One set of filters for each device, but only the first layer
|
|
* is initialized. The rest is memcpy'd in InitEvents.
|
|
*
|
|
* Filters are used whether a given event may be delivered to a client,
|
|
* usually in the form of if (window-event-mask & filter); then deliver event.
|
|
*
|
|
* One notable filter is for PointerMotion/DevicePointerMotion events. Each
|
|
* time a button is pressed, the filter is modified to also contain the
|
|
* matching ButtonXMotion mask.
|
|
*/
|
|
static Mask filters[MAXDEVICES][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 */
|
|
}};
|
|
|
|
|
|
/**
|
|
* same principle as filters, but one set of filters for each extension.
|
|
* The extension is responsible for setting the filters by calling
|
|
* SetGenericFilter().
|
|
*/
|
|
static Mask* generic_filters[MAXEXTENSIONS];
|
|
|
|
static CARD8 criticalEvents[32] =
|
|
{
|
|
0x7c, 0x30, 0x40 /* key, button, expose, and configure events */
|
|
};
|
|
|
|
static void
|
|
SyntheticMotion(DeviceIntPtr dev, int x, int y) {
|
|
int screenno = 0;
|
|
|
|
#ifdef PANORAMIX
|
|
if (!noPanoramiXExtension)
|
|
screenno = dev->spriteInfo->sprite->screen->myNum;
|
|
#endif
|
|
PostSyntheticMotion(dev, x, y, screenno,
|
|
(syncEvents.playingEvents) ? syncEvents.time.milliseconds : currentTime.milliseconds);
|
|
|
|
}
|
|
|
|
#ifdef PANORAMIX
|
|
static void PostNewCursor(DeviceIntPtr pDev);
|
|
|
|
static Bool
|
|
XineramaSetCursorPosition(
|
|
DeviceIntPtr pDev,
|
|
int x,
|
|
int y,
|
|
Bool generateEvent
|
|
){
|
|
ScreenPtr pScreen;
|
|
BoxRec box;
|
|
int i;
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
|
|
/* 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 = pSprite->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;
|
|
}
|
|
}
|
|
}
|
|
|
|
pSprite->screen = pScreen;
|
|
pSprite->hotPhys.x = x - panoramiXdataPtr[0].x;
|
|
pSprite->hotPhys.y = y - panoramiXdataPtr[0].y;
|
|
x -= panoramiXdataPtr[pScreen->myNum].x;
|
|
y -= panoramiXdataPtr[pScreen->myNum].y;
|
|
|
|
return (*pScreen->SetCursorPosition)(pDev, pScreen, x, y, generateEvent);
|
|
}
|
|
|
|
|
|
static void
|
|
XineramaConstrainCursor(DeviceIntPtr pDev)
|
|
{
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
ScreenPtr pScreen;
|
|
BoxRec newBox;
|
|
|
|
pScreen = pSprite->screen;
|
|
newBox = pSprite->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)(pDev, pScreen, &newBox);
|
|
}
|
|
|
|
|
|
static Bool
|
|
XineramaSetWindowPntrs(DeviceIntPtr pDev, WindowPtr pWin)
|
|
{
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
|
|
if(pWin == WindowTable[0]) {
|
|
memcpy(pSprite->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++) {
|
|
pSprite->windows[i] = LookupIDByType(win->info[i].id, RT_WINDOW);
|
|
if(!pSprite->windows[i]) /* window is being unmapped */
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
XineramaConfineCursorToWindow(DeviceIntPtr pDev,
|
|
WindowPtr pWin,
|
|
Bool generateEvents)
|
|
{
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
|
|
int x, y, off_x, off_y, i;
|
|
|
|
if(!XineramaSetWindowPntrs(pDev, pWin))
|
|
return;
|
|
|
|
i = PanoramiXNumScreens - 1;
|
|
|
|
REGION_COPY(pSprite->screen, &pSprite->Reg1,
|
|
&pSprite->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(pSprite->screen, &pSprite->Reg1, x, y);
|
|
|
|
REGION_UNION(pSprite->screen, &pSprite->Reg1, &pSprite->Reg1,
|
|
&pSprite->windows[i]->borderSize);
|
|
|
|
off_x = panoramiXdataPtr[i].x;
|
|
off_y = panoramiXdataPtr[i].y;
|
|
}
|
|
|
|
pSprite->hotLimits = *REGION_EXTENTS(pSprite->screen, &pSprite->Reg1);
|
|
|
|
if(REGION_NUM_RECTS(&pSprite->Reg1) > 1)
|
|
pSprite->hotShape = &pSprite->Reg1;
|
|
else
|
|
pSprite->hotShape = NullRegion;
|
|
|
|
pSprite->confined = FALSE;
|
|
pSprite->confineWin = (pWin == WindowTable[0]) ? NullWindow : pWin;
|
|
|
|
CheckPhysLimits(pDev, pSprite->current, generateEvents, FALSE, NULL);
|
|
}
|
|
|
|
#endif /* PANORAMIX */
|
|
|
|
void
|
|
SetMaskForEvent(int deviceid, Mask mask, int event)
|
|
{
|
|
int coretype;
|
|
if (deviceid < 0 || deviceid > MAXDEVICES)
|
|
FatalError("SetMaskForEvent: bogus device id");
|
|
if ((event < LASTEvent) || (event >= 128))
|
|
FatalError("SetMaskForEvent: bogus event number");
|
|
filters[deviceid][event] = mask;
|
|
|
|
/* Need to change the mask for the core events too */
|
|
coretype = XItoCoreType(event);
|
|
if (coretype)
|
|
filters[deviceid][coretype] = mask;
|
|
}
|
|
|
|
void
|
|
SetCriticalEvent(int event)
|
|
{
|
|
if (event >= 128)
|
|
FatalError("SetCriticalEvent: bogus event number");
|
|
criticalEvents[event >> 3] |= 1 << (event & 7);
|
|
}
|
|
|
|
void
|
|
ConfineToShape(DeviceIntPtr pDev, RegionPtr shape, int *px, int *py)
|
|
{
|
|
BoxRec box;
|
|
int x = *px, y = *py;
|
|
int incx = 1, incy = 1;
|
|
SpritePtr pSprite;
|
|
|
|
pSprite = pDev->spriteInfo->sprite;
|
|
if (POINT_IN_REGION(pSprite->hot.pScreen, shape, x, y, &box))
|
|
return;
|
|
box = *REGION_EXTENTS(pSprite->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(pSprite->hot.pScreen, shape, x, y, &box));
|
|
*px = x;
|
|
*py = y;
|
|
}
|
|
|
|
static void
|
|
CheckPhysLimits(
|
|
DeviceIntPtr pDev,
|
|
CursorPtr cursor,
|
|
Bool generateEvents,
|
|
Bool confineToScreen, /* unused if PanoramiX on */
|
|
ScreenPtr pScreen) /* unused if PanoramiX on */
|
|
{
|
|
HotSpot new;
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
|
|
if (!cursor)
|
|
return;
|
|
new = pSprite->hotPhys;
|
|
#ifdef PANORAMIX
|
|
if (!noPanoramiXExtension)
|
|
/* I don't care what the DDX has to say about it */
|
|
pSprite->physLimits = pSprite->hotLimits;
|
|
else
|
|
#endif
|
|
{
|
|
if (pScreen)
|
|
new.pScreen = pScreen;
|
|
else
|
|
pScreen = new.pScreen;
|
|
(*pScreen->CursorLimits) (pDev, pScreen, cursor, &pSprite->hotLimits,
|
|
&pSprite->physLimits);
|
|
pSprite->confined = confineToScreen;
|
|
(* pScreen->ConstrainCursor)(pDev, pScreen, &pSprite->physLimits);
|
|
}
|
|
|
|
/* constrain the pointer to those limits */
|
|
if (new.x < pSprite->physLimits.x1)
|
|
new.x = pSprite->physLimits.x1;
|
|
else
|
|
if (new.x >= pSprite->physLimits.x2)
|
|
new.x = pSprite->physLimits.x2 - 1;
|
|
if (new.y < pSprite->physLimits.y1)
|
|
new.y = pSprite->physLimits.y1;
|
|
else
|
|
if (new.y >= pSprite->physLimits.y2)
|
|
new.y = pSprite->physLimits.y2 - 1;
|
|
if (pSprite->hotShape)
|
|
ConfineToShape(pDev, pSprite->hotShape, &new.x, &new.y);
|
|
if ((pScreen != pSprite->hotPhys.pScreen) ||
|
|
(new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y))
|
|
{
|
|
#ifdef PANORAMIX
|
|
if (!noPanoramiXExtension)
|
|
XineramaSetCursorPosition (pDev, new.x, new.y, generateEvents);
|
|
else
|
|
#endif
|
|
{
|
|
if (pScreen != pSprite->hotPhys.pScreen)
|
|
pSprite->hotPhys = new;
|
|
(*pScreen->SetCursorPosition)
|
|
(pDev, pScreen, new.x, new.y, generateEvents);
|
|
}
|
|
if (!generateEvents)
|
|
SyntheticMotion(pDev, new.x, new.y);
|
|
}
|
|
|
|
#ifdef PANORAMIX
|
|
/* Tell DDX what the limits are */
|
|
if (!noPanoramiXExtension)
|
|
XineramaConstrainCursor(pDev);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
CheckVirtualMotion(
|
|
DeviceIntPtr pDev,
|
|
QdEventPtr qe,
|
|
WindowPtr pWin)
|
|
{
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
RegionPtr reg = NULL;
|
|
|
|
if (qe)
|
|
{
|
|
pSprite->hot.pScreen = qe->pScreen;
|
|
pSprite->hot.x = qe->event->u.keyButtonPointer.rootX;
|
|
pSprite->hot.y = qe->event->u.keyButtonPointer.rootY;
|
|
pWin = pDev->deviceGrab.grab ? pDev->deviceGrab.grab->confineTo : NullWindow;
|
|
}
|
|
if (pWin)
|
|
{
|
|
BoxRec lims;
|
|
|
|
#ifdef PANORAMIX
|
|
if (!noPanoramiXExtension) {
|
|
int x, y, off_x, off_y, i;
|
|
|
|
if(!XineramaSetWindowPntrs(pDev, pWin))
|
|
return;
|
|
|
|
i = PanoramiXNumScreens - 1;
|
|
|
|
REGION_COPY(pSprite->screen, &pSprite->Reg2,
|
|
&pSprite->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(pSprite->screen, &pSprite->Reg2, x, y);
|
|
|
|
REGION_UNION(pSprite->screen, &pSprite->Reg2, &pSprite->Reg2,
|
|
&pSprite->windows[i]->borderSize);
|
|
|
|
off_x = panoramiXdataPtr[i].x;
|
|
off_y = panoramiXdataPtr[i].y;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
if (pSprite->hot.pScreen != pWin->drawable.pScreen)
|
|
{
|
|
pSprite->hot.pScreen = pWin->drawable.pScreen;
|
|
pSprite->hot.x = pSprite->hot.y = 0;
|
|
}
|
|
}
|
|
|
|
lims = *REGION_EXTENTS(pWin->drawable.pScreen, &pWin->borderSize);
|
|
if (pSprite->hot.x < lims.x1)
|
|
pSprite->hot.x = lims.x1;
|
|
else if (pSprite->hot.x >= lims.x2)
|
|
pSprite->hot.x = lims.x2 - 1;
|
|
if (pSprite->hot.y < lims.y1)
|
|
pSprite->hot.y = lims.y1;
|
|
else if (pSprite->hot.y >= lims.y2)
|
|
pSprite->hot.y = lims.y2 - 1;
|
|
|
|
#ifdef PANORAMIX
|
|
if (!noPanoramiXExtension)
|
|
{
|
|
if (REGION_NUM_RECTS(&pSprite->Reg2) > 1)
|
|
reg = &pSprite->Reg2;
|
|
|
|
} else
|
|
#endif
|
|
{
|
|
if (wBoundingShape(pWin))
|
|
reg = &pWin->borderSize;
|
|
}
|
|
|
|
if (reg)
|
|
ConfineToShape(pDev, reg, &pSprite->hot.x, &pSprite->hot.y);
|
|
|
|
if (qe)
|
|
{
|
|
qe->pScreen = pSprite->hot.pScreen;
|
|
qe->event->u.keyButtonPointer.rootX = pSprite->hot.x;
|
|
qe->event->u.keyButtonPointer.rootY = pSprite->hot.y;
|
|
}
|
|
}
|
|
#ifdef PANORAMIX
|
|
if (noPanoramiXExtension) /* No typo. Only set the root win if disabled */
|
|
#endif
|
|
RootWindow(pDev) = WindowTable[pSprite->hot.pScreen->myNum];
|
|
}
|
|
|
|
static void
|
|
ConfineCursorToWindow(DeviceIntPtr pDev, WindowPtr pWin, Bool generateEvents, Bool confineToScreen)
|
|
{
|
|
ScreenPtr pScreen = pWin->drawable.pScreen;
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
|
|
if (syncEvents.playingEvents)
|
|
{
|
|
CheckVirtualMotion(pDev, (QdEventPtr)NULL, pWin);
|
|
SyntheticMotion(pDev, pSprite->hot.x, pSprite->hot.y);
|
|
}
|
|
else
|
|
{
|
|
#ifdef PANORAMIX
|
|
if(!noPanoramiXExtension) {
|
|
XineramaConfineCursorToWindow(pDev, pWin, generateEvents);
|
|
return;
|
|
}
|
|
#endif
|
|
pSprite->hotLimits = *REGION_EXTENTS( pScreen, &pWin->borderSize);
|
|
pSprite->hotShape = wBoundingShape(pWin) ? &pWin->borderSize
|
|
: NullRegion;
|
|
CheckPhysLimits(pDev, pSprite->current, generateEvents,
|
|
confineToScreen, pScreen);
|
|
}
|
|
}
|
|
|
|
Bool
|
|
PointerConfinedToScreen(DeviceIntPtr pDev)
|
|
{
|
|
return pDev->spriteInfo->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(DeviceIntPtr pDev, CursorPtr cursor)
|
|
{
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
ScreenPtr pScreen;
|
|
|
|
if (cursor != pSprite->current)
|
|
{
|
|
if ((pSprite->current->bits->xhot != cursor->bits->xhot) ||
|
|
(pSprite->current->bits->yhot != cursor->bits->yhot))
|
|
CheckPhysLimits(pDev, cursor, FALSE, pSprite->confined,
|
|
(ScreenPtr)NULL);
|
|
#ifdef PANORAMIX
|
|
/* XXX: is this really necessary?? (whot) */
|
|
if (!noPanoramiXExtension)
|
|
pScreen = pSprite->screen;
|
|
else
|
|
#endif
|
|
pScreen = pSprite->hotPhys.pScreen;
|
|
|
|
(*pScreen->DisplayCursor)(pDev, pScreen, cursor);
|
|
FreeCursor(pSprite->current, (Cursor)0);
|
|
pSprite->current = cursor;
|
|
pSprite->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(DeviceIntPtr pDev)
|
|
{
|
|
WindowPtr win;
|
|
GrabPtr grab = pDev->deviceGrab.grab;
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
CursorPtr pCursor;
|
|
|
|
if (syncEvents.playingEvents)
|
|
return;
|
|
if (grab)
|
|
{
|
|
if (grab->cursor)
|
|
{
|
|
ChangeToCursor(pDev, grab->cursor);
|
|
return;
|
|
}
|
|
if (IsParent(grab->window, pSprite->win))
|
|
win = pSprite->win;
|
|
else
|
|
win = grab->window;
|
|
}
|
|
else
|
|
win = pSprite->win;
|
|
for (; win; win = win->parent)
|
|
{
|
|
if (win->optional)
|
|
{
|
|
pCursor = WindowGetDeviceCursor(win, pDev);
|
|
if (!pCursor && win->optional->cursor != NullCursor)
|
|
pCursor = win->optional->cursor;
|
|
if (pCursor)
|
|
{
|
|
ChangeToCursor(pDev, pCursor);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @param dev device which you want to know its current root window
|
|
* @return root window where dev's sprite is located
|
|
*/
|
|
WindowPtr
|
|
GetCurrentRootWindow(DeviceIntPtr dev)
|
|
{
|
|
return RootWindow(dev);
|
|
}
|
|
|
|
/**
|
|
* @return window underneath the cursor sprite.
|
|
*/
|
|
WindowPtr
|
|
GetSpriteWindow(DeviceIntPtr pDev)
|
|
{
|
|
return pDev->spriteInfo->sprite->win;
|
|
}
|
|
|
|
/**
|
|
* @return current sprite cursor.
|
|
*/
|
|
CursorPtr
|
|
GetSpriteCursor(DeviceIntPtr pDev)
|
|
{
|
|
return pDev->spriteInfo->sprite->current;
|
|
}
|
|
|
|
/**
|
|
* Set x/y current sprite position in screen coordinates.
|
|
*/
|
|
void
|
|
GetSpritePosition(DeviceIntPtr pDev, int *px, int *py)
|
|
{
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
*px = pSprite->hotPhys.x;
|
|
*py = pSprite->hotPhys.y;
|
|
}
|
|
|
|
#ifdef PANORAMIX
|
|
int
|
|
XineramaGetCursorScreen(DeviceIntPtr pDev)
|
|
{
|
|
if(!noPanoramiXExtension) {
|
|
return pDev->spriteInfo->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 *
|
|
**************************************************************************/
|
|
|
|
/**
|
|
* EnqueueEvent is a device's processInputProc if a device is frozen.
|
|
* Instead of delivering the events to the client, the event is tacked onto a
|
|
* linked list for later delivery.
|
|
*/
|
|
void
|
|
EnqueueEvent(xEvent *xE, DeviceIntPtr device, int count)
|
|
{
|
|
QdEventPtr tail = *syncEvents.pendtail;
|
|
QdEventPtr qe;
|
|
SpritePtr pSprite = device->spriteInfo->sprite;
|
|
int eventlen;
|
|
|
|
|
|
NoticeTime(xE);
|
|
|
|
/* 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);
|
|
|
|
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 == DeviceMotionNotify)
|
|
XE_KBPTR.root =
|
|
WindowTable[pSprite->hotPhys.pScreen->myNum]->drawable.id;
|
|
eventinfo.events = xE;
|
|
eventinfo.count = count;
|
|
CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
|
|
}
|
|
if (xE->u.u.type == DeviceMotionNotify)
|
|
{
|
|
#ifdef PANORAMIX
|
|
if(!noPanoramiXExtension) {
|
|
XE_KBPTR.rootX += panoramiXdataPtr[pSprite->screen->myNum].x -
|
|
panoramiXdataPtr[0].x;
|
|
XE_KBPTR.rootY += panoramiXdataPtr[pSprite->screen->myNum].y -
|
|
panoramiXdataPtr[0].y;
|
|
}
|
|
#endif
|
|
pSprite->hotPhys.x = XE_KBPTR.rootX;
|
|
pSprite->hotPhys.y = XE_KBPTR.rootY;
|
|
/* do motion compression, but not if from different devices */
|
|
if (tail &&
|
|
(tail->event->u.u.type == DeviceMotionNotify) &&
|
|
(tail->device == device) &&
|
|
(tail->pScreen == pSprite->hotPhys.pScreen))
|
|
{
|
|
tail->event->u.keyButtonPointer.rootX = pSprite->hotPhys.x;
|
|
tail->event->u.keyButtonPointer.rootY = pSprite->hotPhys.y;
|
|
tail->event->u.keyButtonPointer.time = XE_KBPTR.time;
|
|
tail->months = currentTime.months;
|
|
return;
|
|
}
|
|
}
|
|
|
|
eventlen = count * sizeof(xEvent);
|
|
if (xE->u.u.type == GenericEvent) /* count is 1 for GenericEvents */
|
|
eventlen += ((xGenericEvent*)xE)->length * 4;
|
|
|
|
qe = xalloc(sizeof(QdEventRec) + eventlen);
|
|
if (!qe)
|
|
return;
|
|
qe->next = (QdEventPtr)NULL;
|
|
qe->device = device;
|
|
qe->pScreen = pSprite->hotPhys.pScreen;
|
|
qe->months = currentTime.months;
|
|
qe->event = (xEvent *)(qe + 1);
|
|
qe->evcount = count;
|
|
if (xE->u.u.type == GenericEvent)
|
|
{
|
|
memcpy(qe->event, xE, eventlen);
|
|
} else
|
|
{
|
|
xEvent *qxE;
|
|
for (qxE = qe->event; --count >= 0; qxE++, xE++)
|
|
{
|
|
*qxE = *xE;
|
|
}
|
|
}
|
|
if (tail)
|
|
syncEvents.pendtail = &tail->next;
|
|
*syncEvents.pendtail = qe;
|
|
}
|
|
|
|
/**
|
|
* Run through the list of events queued up in syncEvents.
|
|
* For each event do:
|
|
* If the device for this event is not frozen anymore, take it and process it
|
|
* as usually.
|
|
* After that, check if there's any devices in the list that are not frozen.
|
|
* If there is none, we're done. If there is at least one device that is not
|
|
* frozen, then re-run from the beginning of the event queue.
|
|
*/
|
|
static void
|
|
PlayReleasedEvents(void)
|
|
{
|
|
QdEventPtr *prev, qe;
|
|
DeviceIntPtr dev;
|
|
DeviceIntPtr pDev;
|
|
static CARD32 lastKnownMillis = 0; /* Hack, see comment below */
|
|
|
|
prev = &syncEvents.pending;
|
|
while ( (qe = *prev) )
|
|
{
|
|
if (!qe->device->deviceGrab.sync.frozen)
|
|
{
|
|
*prev = qe->next;
|
|
pDev = qe->device;
|
|
if (*syncEvents.pendtail == *prev)
|
|
syncEvents.pendtail = prev;
|
|
if (qe->event->u.u.type == DeviceMotionNotify)
|
|
CheckVirtualMotion(pDev, qe, NullWindow);
|
|
syncEvents.time.months = qe->months;
|
|
/* XXX: Hack! We can't reliably get the time from GenericEvents,
|
|
since we don't know which struct it may be. So we store the time
|
|
when we know it, and re-use it when we can't get it. */
|
|
if (qe->event->u.u.type == GenericEvent)
|
|
{
|
|
syncEvents.time.milliseconds = lastKnownMillis;
|
|
} else
|
|
{
|
|
syncEvents.time.milliseconds = qe->event->u.keyButtonPointer.time;
|
|
lastKnownMillis = syncEvents.time.milliseconds;
|
|
}
|
|
#ifdef PANORAMIX
|
|
/* Translate back to the sprite screen since processInputProc
|
|
will translate from sprite screen to screen 0 upon reentry
|
|
to the DIX layer */
|
|
/* XXX: we can't do that for generic events */
|
|
if(!noPanoramiXExtension) {
|
|
qe->event->u.keyButtonPointer.rootX +=
|
|
panoramiXdataPtr[0].x -
|
|
panoramiXdataPtr[pDev->spriteInfo->sprite->screen->myNum].x;
|
|
qe->event->u.keyButtonPointer.rootY +=
|
|
panoramiXdataPtr[0].y -
|
|
panoramiXdataPtr[pDev->spriteInfo->sprite->screen->myNum].y;
|
|
}
|
|
#endif
|
|
(*qe->device->public.processInputProc)(qe->event, qe->device,
|
|
qe->evcount);
|
|
xfree(qe);
|
|
for (dev = inputInfo.devices; dev && dev->deviceGrab.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;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Freeze or thaw the given devices. The device's processing proc is
|
|
* switched to either the real processing proc (in case of thawing) or an
|
|
* enqueuing processing proc (usually EnqueueEvent()).
|
|
*
|
|
* @param dev The device to freeze/thaw
|
|
* @param frozen True to freeze or false to thaw.
|
|
*/
|
|
static void
|
|
FreezeThaw(DeviceIntPtr dev, Bool frozen)
|
|
{
|
|
dev->deviceGrab.sync.frozen = frozen;
|
|
if (frozen)
|
|
dev->public.processInputProc = dev->public.enqueueInputProc;
|
|
else
|
|
dev->public.processInputProc = dev->public.realInputProc;
|
|
}
|
|
|
|
/**
|
|
* Unfreeze devices and replay all events to the respective clients.
|
|
*
|
|
* ComputeFreezes takes the first event in the device's frozen event queue. It
|
|
* runs up the sprite tree (spriteTrace) and searches for the window to replay
|
|
* the events from. If it is found, it checks for passive grabs one down from
|
|
* the window or delivers the events.
|
|
*
|
|
* Since the events in the EQ are always XI events, we need to emulate core
|
|
* events here.
|
|
*/
|
|
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->deviceGrab.sync.other ||
|
|
(dev->deviceGrab.sync.state >= FROZEN));
|
|
if (syncEvents.playingEvents || (!replayDev && !syncEvents.pending))
|
|
return;
|
|
syncEvents.playingEvents = TRUE;
|
|
if (replayDev)
|
|
{
|
|
xE = replayDev->deviceGrab.sync.event;
|
|
count = replayDev->deviceGrab.sync.evcount;
|
|
syncEvents.replayDev = (DeviceIntPtr)NULL;
|
|
|
|
w = XYToWindow(replayDev, XE_KBPTR.rootX, XE_KBPTR.rootY);
|
|
for (i = 0; i < replayDev->spriteInfo->sprite->spriteTraceGood; i++)
|
|
{
|
|
if (syncEvents.replayWin ==
|
|
replayDev->spriteInfo->sprite->spriteTrace[i])
|
|
{
|
|
if (!CheckDeviceGrabs(replayDev, xE, i+1, count)) {
|
|
if (replayDev->focus && !IsPointerEvent(xE))
|
|
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 && !IsPointerEvent(xE))
|
|
DeliverFocusedEvent(replayDev, xE, w, count);
|
|
else
|
|
DeliverDeviceEvents(w, xE, NullGrab, NullWindow, replayDev, count);
|
|
}
|
|
playmore:
|
|
for (dev = inputInfo.devices; dev; dev = dev->next)
|
|
{
|
|
if (!dev->deviceGrab.sync.frozen)
|
|
{
|
|
PlayReleasedEvents();
|
|
break;
|
|
}
|
|
}
|
|
syncEvents.playingEvents = FALSE;
|
|
for (dev = inputInfo.devices; dev; dev = dev->next)
|
|
{
|
|
if (DevHasCursor(dev))
|
|
{
|
|
/* the following may have been skipped during replay,
|
|
so do it now */
|
|
if ((grab = dev->deviceGrab.grab) && grab->confineTo)
|
|
{
|
|
if (grab->confineTo->drawable.pScreen !=
|
|
dev->spriteInfo->sprite->hotPhys.pScreen)
|
|
dev->spriteInfo->sprite->hotPhys.x =
|
|
dev->spriteInfo->sprite->hotPhys.y = 0;
|
|
ConfineCursorToWindow(dev, grab->confineTo, TRUE, TRUE);
|
|
}
|
|
else
|
|
ConfineCursorToWindow(dev,
|
|
WindowTable[dev->spriteInfo->sprite->hotPhys.pScreen->myNum],
|
|
TRUE, FALSE);
|
|
PostNewCursor(dev);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef RANDR
|
|
void
|
|
ScreenRestructured (ScreenPtr pScreen)
|
|
{
|
|
GrabPtr grab;
|
|
DeviceIntPtr pDev;
|
|
|
|
for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
|
|
{
|
|
if (!DevHasCursor(pDev))
|
|
continue;
|
|
|
|
/* GrabDevice doesn't have a confineTo field, so we don't need to
|
|
* worry about it. */
|
|
if ((grab = pDev->deviceGrab.grab) && grab->confineTo)
|
|
{
|
|
if (grab->confineTo->drawable.pScreen
|
|
!= pDev->spriteInfo->sprite->hotPhys.pScreen)
|
|
pDev->spriteInfo->sprite->hotPhys.x = pDev->spriteInfo->sprite->hotPhys.y = 0;
|
|
ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE);
|
|
}
|
|
else
|
|
ConfineCursorToWindow(pDev,
|
|
WindowTable[pDev->spriteInfo->sprite->hotPhys.pScreen->myNum],
|
|
TRUE, FALSE);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
CheckGrabForSyncs(DeviceIntPtr thisDev, Bool thisMode, Bool otherMode)
|
|
{
|
|
GrabPtr grab = thisDev->deviceGrab.grab;
|
|
DeviceIntPtr dev;
|
|
|
|
if (thisMode == GrabModeSync)
|
|
thisDev->deviceGrab.sync.state = FROZEN_NO_EVENT;
|
|
else
|
|
{ /* free both if same client owns both */
|
|
thisDev->deviceGrab.sync.state = THAWED;
|
|
if (thisDev->deviceGrab.sync.other &&
|
|
(CLIENT_BITS(thisDev->deviceGrab.sync.other->resource) ==
|
|
CLIENT_BITS(grab->resource)))
|
|
thisDev->deviceGrab.sync.other = NullGrab;
|
|
}
|
|
|
|
/*
|
|
XXX: Direct slave grab won't freeze the paired master device.
|
|
The correct thing to do would be to freeze all SDs attached to the
|
|
paired master device.
|
|
*/
|
|
if (thisDev->isMaster)
|
|
{
|
|
dev = GetPairedDevice(thisDev);
|
|
if (otherMode == GrabModeSync)
|
|
dev->deviceGrab.sync.other = grab;
|
|
else
|
|
{ /* free both if same client owns both */
|
|
if (dev->deviceGrab.sync.other &&
|
|
(CLIENT_BITS(dev->deviceGrab.sync.other->resource) ==
|
|
CLIENT_BITS(grab->resource)))
|
|
dev->deviceGrab.sync.other = NullGrab;
|
|
}
|
|
}
|
|
ComputeFreezes();
|
|
}
|
|
|
|
/* Only ever used if a grab is called on an attached slave device. */
|
|
static int GrabPrivateKeyIndex;
|
|
static DevPrivateKey GrabPrivateKey = &GrabPrivateKeyIndex;
|
|
typedef struct _GrabMemoryRec {
|
|
DeviceIntPtr oldmaster;
|
|
} GrabMemoryRec, *GrabMemoryPtr;
|
|
|
|
/**
|
|
* Save the device's master device in the devPrivates. This needs to be done
|
|
* if a client directly grabs a slave device that is attached to a master. For
|
|
* the duration of the grab, the device is detached, ungrabbing re-attaches it
|
|
* though.
|
|
*/
|
|
static void
|
|
SaveOldMaster(DeviceIntPtr dev)
|
|
{
|
|
GrabMemoryPtr gm;
|
|
|
|
if (!(gm = xalloc(sizeof(GrabMemoryRec))))
|
|
{
|
|
ErrorF("[dix] Cannot allocate grab private. Grab not "
|
|
"possible on device.\n");
|
|
return;
|
|
}
|
|
gm->oldmaster = dev->u.master;
|
|
dixSetPrivate(&dev->devPrivates, GrabPrivateKey, gm);
|
|
}
|
|
|
|
static void
|
|
RestoreOldMaster(DeviceIntPtr dev)
|
|
{
|
|
GrabMemoryPtr gm;
|
|
|
|
if (dev->isMaster)
|
|
return;
|
|
|
|
gm = (GrabMemoryPtr)dixLookupPrivate(&dev->devPrivates, GrabPrivateKey);
|
|
if (gm)
|
|
{
|
|
dev->u.master = gm->oldmaster;
|
|
xfree(gm);
|
|
dixSetPrivate(&dev->devPrivates, GrabPrivateKey, NULL);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Activate a pointer grab on the given device. A pointer grab will cause all
|
|
* core pointer events of this device to be delivered to the grabbing client only.
|
|
* No other device will send core events to the grab client while the grab is
|
|
* on, but core events will be sent to other clients.
|
|
* Can cause the cursor to change if a grab cursor is set.
|
|
*
|
|
* Note that parameter autoGrab may be (True & ImplicitGrabMask) if the grab
|
|
* is an implicit grab caused by a ButtonPress event.
|
|
*
|
|
* @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)
|
|
{
|
|
GrabInfoPtr grabinfo = &mouse->deviceGrab;
|
|
WindowPtr oldWin = (grabinfo->grab) ?
|
|
grabinfo->grab->window
|
|
: mouse->spriteInfo->sprite->win;
|
|
Bool isPassive = autoGrab & ~ImplicitGrabMask;
|
|
|
|
/* slave devices need to float for the duration of the grab. */
|
|
if (!isPassive && !mouse->isMaster)
|
|
{
|
|
SaveOldMaster(mouse);
|
|
AttachDevice(NULL, mouse, NULL);
|
|
}
|
|
|
|
if (grab->confineTo)
|
|
{
|
|
if (grab->confineTo->drawable.pScreen
|
|
!= mouse->spriteInfo->sprite->hotPhys.pScreen)
|
|
mouse->spriteInfo->sprite->hotPhys.x =
|
|
mouse->spriteInfo->sprite->hotPhys.y = 0;
|
|
ConfineCursorToWindow(mouse, grab->confineTo, FALSE, TRUE);
|
|
}
|
|
DoEnterLeaveEvents(mouse, oldWin, grab->window, NotifyGrab);
|
|
mouse->valuator->motionHintWindow = NullWindow;
|
|
if (syncEvents.playingEvents)
|
|
grabinfo->grabTime = syncEvents.time;
|
|
else
|
|
grabinfo->grabTime = time;
|
|
if (grab->cursor)
|
|
grab->cursor->refcnt++;
|
|
grabinfo->activeGrab = *grab;
|
|
grabinfo->grab = &grabinfo->activeGrab;
|
|
grabinfo->fromPassiveGrab = isPassive;
|
|
grabinfo->implicitGrab = autoGrab & ImplicitGrabMask;
|
|
PostNewCursor(mouse);
|
|
CheckGrabForSyncs(mouse,(Bool)grab->pointerMode, (Bool)grab->keyboardMode);
|
|
}
|
|
|
|
/**
|
|
* Delete grab on given device, update the sprite.
|
|
*
|
|
* Extension devices are set up for ActivateKeyboardGrab().
|
|
*/
|
|
void
|
|
DeactivatePointerGrab(DeviceIntPtr mouse)
|
|
{
|
|
GrabPtr grab = mouse->deviceGrab.grab;
|
|
DeviceIntPtr dev;
|
|
Bool wasPassive= mouse->deviceGrab.fromPassiveGrab;
|
|
|
|
mouse->valuator->motionHintWindow = NullWindow;
|
|
mouse->deviceGrab.grab = NullGrab;
|
|
mouse->deviceGrab.sync.state = NOT_GRABBED;
|
|
mouse->deviceGrab.fromPassiveGrab = FALSE;
|
|
|
|
/* make sure the potential XGE event mask is freed too*/
|
|
if (grab->genericMasks)
|
|
{
|
|
xfree(grab->genericMasks);
|
|
grab->genericMasks = NULL;
|
|
}
|
|
|
|
for (dev = inputInfo.devices; dev; dev = dev->next)
|
|
{
|
|
if (dev->deviceGrab.sync.other == grab)
|
|
dev->deviceGrab.sync.other = NullGrab;
|
|
}
|
|
DoEnterLeaveEvents(mouse, grab->window,
|
|
mouse->spriteInfo->sprite->win, NotifyUngrab);
|
|
if (grab->confineTo)
|
|
ConfineCursorToWindow(mouse, RootWindow(mouse), FALSE, FALSE);
|
|
PostNewCursor(mouse);
|
|
if (grab->cursor)
|
|
FreeCursor(grab->cursor, (Cursor)0);
|
|
|
|
if (!wasPassive)
|
|
RestoreOldMaster(mouse);
|
|
|
|
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)
|
|
{
|
|
GrabInfoPtr grabinfo = &keybd->deviceGrab;
|
|
WindowPtr oldWin;
|
|
|
|
/* slave devices need to float for the duration of the grab. */
|
|
if (!passive && !keybd->isMaster)
|
|
{
|
|
SaveOldMaster(keybd);
|
|
AttachDevice(NULL, keybd, NULL);
|
|
}
|
|
|
|
if (grabinfo->grab)
|
|
oldWin = grabinfo->grab->window;
|
|
else if (keybd->focus)
|
|
oldWin = keybd->focus->win;
|
|
else
|
|
oldWin = keybd->spriteInfo->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)
|
|
grabinfo->grabTime = syncEvents.time;
|
|
else
|
|
grabinfo->grabTime = time;
|
|
grabinfo->activeGrab = *grab;
|
|
grabinfo->grab = &grabinfo->activeGrab;
|
|
grabinfo->fromPassiveGrab = passive;
|
|
CheckGrabForSyncs(keybd, (Bool)grab->keyboardMode, (Bool)grab->pointerMode);
|
|
}
|
|
|
|
/**
|
|
* Delete keyboard grab for the given device.
|
|
*/
|
|
void
|
|
DeactivateKeyboardGrab(DeviceIntPtr keybd)
|
|
{
|
|
GrabPtr grab = keybd->deviceGrab.grab;
|
|
DeviceIntPtr dev;
|
|
WindowPtr focusWin = keybd->focus ? keybd->focus->win
|
|
: keybd->spriteInfo->sprite->win;
|
|
Bool wasPassive = keybd->deviceGrab.fromPassiveGrab;
|
|
|
|
if (focusWin == FollowKeyboardWin)
|
|
focusWin = inputInfo.keyboard->focus->win;
|
|
if (keybd->valuator)
|
|
keybd->valuator->motionHintWindow = NullWindow;
|
|
keybd->deviceGrab.grab = NullGrab;
|
|
keybd->deviceGrab.sync.state = NOT_GRABBED;
|
|
keybd->deviceGrab.fromPassiveGrab = FALSE;
|
|
if (grab->genericMasks)
|
|
{
|
|
xfree(grab->genericMasks);
|
|
grab->genericMasks = NULL;
|
|
}
|
|
|
|
for (dev = inputInfo.devices; dev; dev = dev->next)
|
|
{
|
|
if (dev->deviceGrab.sync.other == grab)
|
|
dev->deviceGrab.sync.other = NullGrab;
|
|
}
|
|
DoFocusEvents(keybd, grab->window, focusWin, NotifyUngrab);
|
|
|
|
if (!wasPassive)
|
|
RestoreOldMaster(keybd);
|
|
|
|
ComputeFreezes();
|
|
}
|
|
|
|
void
|
|
AllowSome(ClientPtr client,
|
|
TimeStamp time,
|
|
DeviceIntPtr thisDev,
|
|
int newState,
|
|
Bool core)
|
|
{
|
|
Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced;
|
|
TimeStamp grabTime;
|
|
DeviceIntPtr dev;
|
|
GrabInfoPtr devgrabinfo,
|
|
grabinfo = &thisDev->deviceGrab;
|
|
|
|
thisGrabbed = grabinfo->grab && SameClient(grabinfo->grab, client);
|
|
thisSynced = FALSE;
|
|
otherGrabbed = FALSE;
|
|
othersFrozen = TRUE;
|
|
grabTime = grabinfo->grabTime;
|
|
for (dev = inputInfo.devices; dev; dev = dev->next)
|
|
{
|
|
devgrabinfo = &dev->deviceGrab;
|
|
|
|
if (dev == thisDev)
|
|
continue;
|
|
if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client))
|
|
{
|
|
if (!(thisGrabbed || otherGrabbed) ||
|
|
(CompareTimeStamps(devgrabinfo->grabTime, grabTime) == LATER))
|
|
grabTime = devgrabinfo->grabTime;
|
|
otherGrabbed = TRUE;
|
|
if (grabinfo->sync.other == devgrabinfo->grab)
|
|
thisSynced = TRUE;
|
|
if (devgrabinfo->sync.state < FROZEN)
|
|
othersFrozen = FALSE;
|
|
}
|
|
else if (!devgrabinfo->sync.other || !SameClient(devgrabinfo->sync.other, client))
|
|
othersFrozen = FALSE;
|
|
}
|
|
if (!((thisGrabbed && grabinfo->sync.state >= FROZEN) || thisSynced))
|
|
return;
|
|
if ((CompareTimeStamps(time, currentTime) == LATER) ||
|
|
(CompareTimeStamps(time, grabTime) == EARLIER))
|
|
return;
|
|
switch (newState)
|
|
{
|
|
case THAWED: /* Async */
|
|
if (thisGrabbed)
|
|
grabinfo->sync.state = THAWED;
|
|
if (thisSynced)
|
|
grabinfo->sync.other = NullGrab;
|
|
ComputeFreezes();
|
|
break;
|
|
case FREEZE_NEXT_EVENT: /* Sync */
|
|
if (thisGrabbed)
|
|
{
|
|
grabinfo->sync.state = FREEZE_NEXT_EVENT;
|
|
if (thisSynced)
|
|
grabinfo->sync.other = NullGrab;
|
|
ComputeFreezes();
|
|
}
|
|
break;
|
|
case THAWED_BOTH: /* AsyncBoth */
|
|
if (othersFrozen)
|
|
{
|
|
for (dev = inputInfo.devices; dev; dev = dev->next)
|
|
{
|
|
devgrabinfo = &dev->deviceGrab;
|
|
if (devgrabinfo->grab
|
|
&& SameClient(devgrabinfo->grab, client))
|
|
devgrabinfo->sync.state = THAWED;
|
|
if (devgrabinfo->sync.other &&
|
|
SameClient(devgrabinfo->sync.other, client))
|
|
devgrabinfo->sync.other = NullGrab;
|
|
}
|
|
ComputeFreezes();
|
|
}
|
|
break;
|
|
case FREEZE_BOTH_NEXT_EVENT: /* SyncBoth */
|
|
if (othersFrozen)
|
|
{
|
|
for (dev = inputInfo.devices; dev; dev = dev->next)
|
|
{
|
|
devgrabinfo = &dev->deviceGrab;
|
|
if (devgrabinfo->grab
|
|
&& SameClient(devgrabinfo->grab, client))
|
|
devgrabinfo->sync.state = FREEZE_BOTH_NEXT_EVENT;
|
|
if (devgrabinfo->sync.other
|
|
&& SameClient(devgrabinfo->sync.other, client))
|
|
devgrabinfo->sync.other = NullGrab;
|
|
}
|
|
ComputeFreezes();
|
|
}
|
|
break;
|
|
case NOT_GRABBED: /* Replay */
|
|
if (thisGrabbed && grabinfo->sync.state == FROZEN_WITH_EVENT)
|
|
{
|
|
if (thisSynced)
|
|
grabinfo->sync.other = NullGrab;
|
|
syncEvents.replayDev = thisDev;
|
|
syncEvents.replayWin = grabinfo->grab->window;
|
|
(*grabinfo->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;
|
|
devgrabinfo = (core) ? &dev->deviceGrab : &dev->deviceGrab;
|
|
if (devgrabinfo->grab
|
|
&& SameClient(devgrabinfo->grab, client))
|
|
devgrabinfo->sync.state = THAWED;
|
|
if (devgrabinfo->sync.other
|
|
&& SameClient(devgrabinfo->sync.other, client))
|
|
devgrabinfo->sync.other = NullGrab;
|
|
}
|
|
ComputeFreezes();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Server-side protocol handling for AllowEvents request.
|
|
*
|
|
* Release some events from a frozen device.
|
|
*/
|
|
int
|
|
ProcAllowEvents(ClientPtr client)
|
|
{
|
|
TimeStamp time;
|
|
DeviceIntPtr mouse = NULL;
|
|
DeviceIntPtr keybd = NULL;
|
|
REQUEST(xAllowEventsReq);
|
|
|
|
REQUEST_SIZE_MATCH(xAllowEventsReq);
|
|
time = ClientTimeToServerTime(stuff->time);
|
|
|
|
mouse = PickPointer(client);
|
|
keybd = PickKeyboard(client);
|
|
|
|
switch (stuff->mode)
|
|
{
|
|
case ReplayPointer:
|
|
AllowSome(client, time, mouse, NOT_GRABBED, True);
|
|
break;
|
|
case SyncPointer:
|
|
AllowSome(client, time, mouse, FREEZE_NEXT_EVENT, True);
|
|
break;
|
|
case AsyncPointer:
|
|
AllowSome(client, time, mouse, THAWED, True);
|
|
break;
|
|
case ReplayKeyboard:
|
|
AllowSome(client, time, keybd, NOT_GRABBED, True);
|
|
break;
|
|
case SyncKeyboard:
|
|
AllowSome(client, time, keybd, FREEZE_NEXT_EVENT, True);
|
|
break;
|
|
case AsyncKeyboard:
|
|
AllowSome(client, time, keybd, THAWED, True);
|
|
break;
|
|
case SyncBoth:
|
|
AllowSome(client, time, keybd, FREEZE_BOTH_NEXT_EVENT, True);
|
|
break;
|
|
case AsyncBoth:
|
|
AllowSome(client, time, keybd, THAWED_BOTH, True);
|
|
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->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client))
|
|
{
|
|
(*dev->deviceGrab.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 dev The device the event came from. May be NULL.
|
|
* @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.
|
|
*/
|
|
int
|
|
TryClientEvents (ClientPtr client, DeviceIntPtr dev, xEvent *pEvents,
|
|
int count, Mask mask, Mask filter, GrabPtr grab)
|
|
{
|
|
int i;
|
|
int type;
|
|
|
|
#ifdef DEBUG_EVENTS
|
|
ErrorF("[dix] 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(dev->valuator->motionHintWindow) ==
|
|
pEvents->u.keyButtonPointer.event)
|
|
{
|
|
#ifdef DEBUG_EVENTS
|
|
ErrorF("[dix] \n");
|
|
ErrorF("[dix] 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;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((type == DeviceMotionNotify) &&
|
|
MaybeSendDeviceMotionNotifyHint
|
|
((deviceKeyButtonPointer*)pEvents, mask) != 0)
|
|
return 1;
|
|
}
|
|
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))
|
|
{
|
|
if (client->smart_priority < SMART_MAX_PRIORITY)
|
|
client->smart_priority++;
|
|
SetCriticalOutputPending();
|
|
}
|
|
|
|
WriteEventsToClient(client, count, pEvents);
|
|
#ifdef DEBUG_EVENTS
|
|
ErrorF("[dix] delivered\n");
|
|
#endif
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
#ifdef DEBUG_EVENTS
|
|
ErrorF("[dix] \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.
|
|
*
|
|
* Core events are always delivered to the window owner. If the filter is
|
|
* something other than CantBeFiltered, the event is also delivered to other
|
|
* clients with the matching mask on the window.
|
|
*
|
|
* 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(DeviceIntPtr pDev, 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) && type != GenericEvent))
|
|
{
|
|
/* if nobody ever wants to see this event, skip some work */
|
|
if (filter != CantBeFiltered &&
|
|
!((wOtherEventMasks(pWin)|pWin->eventMask) & filter))
|
|
return 0;
|
|
|
|
if (!(type & EXTENSION_EVENT_BASE) &&
|
|
IsInterferingGrab(wClient(pWin), pDev, pEvents))
|
|
return 0;
|
|
|
|
if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count))
|
|
/* do nothing */;
|
|
else if ( (attempt = TryClientEvents(wClient(pWin), pDev, pEvents,
|
|
count, pWin->eventMask,
|
|
filter, grab)) )
|
|
{
|
|
if (attempt > 0)
|
|
{
|
|
deliveries++;
|
|
client = wClient(pWin);
|
|
deliveryMask = pWin->eventMask;
|
|
} else
|
|
nondeliveries--;
|
|
}
|
|
}
|
|
if (filter != CantBeFiltered)
|
|
{
|
|
/* Handle generic events */
|
|
if (type == GenericEvent)
|
|
{
|
|
GenericMaskPtr gmask;
|
|
/* We don't do more than one GenericEvent at a time. */
|
|
if (count > 1)
|
|
{
|
|
ErrorF("[dix] Do not send more than one GenericEvent at a time!\n");
|
|
return 0;
|
|
}
|
|
|
|
/* if we get here, filter should be set to the GE specific mask.
|
|
check if any client wants it */
|
|
if (!GEDeviceMaskIsSet(pWin, pDev, GEEXT(pEvents), filter))
|
|
return 0;
|
|
|
|
/* run through all clients, deliver event */
|
|
for (gmask = GECLIENT(pWin); gmask; gmask = gmask->next)
|
|
{
|
|
if (gmask->eventMask[GEEXTIDX(pEvents)] & filter)
|
|
{
|
|
if (XaceHook(XACE_RECEIVE_ACCESS, rClient(gmask), pWin,
|
|
pEvents, count))
|
|
/* do nothing */;
|
|
else if (TryClientEvents(rClient(gmask), pDev,
|
|
pEvents, count,
|
|
gmask->eventMask[GEEXTIDX(pEvents)],
|
|
filter, grab) > 0)
|
|
{
|
|
deliveries++;
|
|
} else
|
|
nondeliveries--;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* Traditional event */
|
|
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)
|
|
{
|
|
/* core event? check for grab interference */
|
|
if (!(type & EXTENSION_EVENT_BASE) &&
|
|
IsInterferingGrab(rClient(other), pDev, pEvents))
|
|
continue;
|
|
|
|
if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin,
|
|
pEvents, count))
|
|
/* do nothing */;
|
|
else if ( (attempt = TryClientEvents(rClient(other), pDev,
|
|
pEvents, count,
|
|
other->mask[mskidx],
|
|
filter, grab)) )
|
|
{
|
|
if (attempt > 0)
|
|
{
|
|
deliveries++;
|
|
client = rClient(other);
|
|
deliveryMask = other->mask[mskidx];
|
|
} else
|
|
nondeliveries--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Note that since core events are delivered first, an implicit grab may
|
|
* be activated on a core grab, stopping the XI events.
|
|
*/
|
|
if ((type == DeviceButtonPress || type == ButtonPress)
|
|
&& deliveries
|
|
&& (!grab))
|
|
{
|
|
GrabRec tempGrab;
|
|
OtherInputMasks *inputMasks;
|
|
|
|
tempGrab.next = NULL;
|
|
tempGrab.device = pDev;
|
|
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;
|
|
tempGrab.coreGrab = (type == ButtonPress);
|
|
|
|
/* get the XI device mask */
|
|
inputMasks = wOtherInputMasks(pWin);
|
|
tempGrab.deviceMask = (inputMasks) ? inputMasks->inputEvents[pDev->id]: 0;
|
|
|
|
/* get the XGE event mask. */
|
|
tempGrab.genericMasks = NULL;
|
|
if (pWin->optional && pWin->optional->geMasks)
|
|
{
|
|
GenericClientMasksPtr gemasks = pWin->optional->geMasks;
|
|
GenericMaskPtr geclient = gemasks->geClients;
|
|
while(geclient && rClient(geclient) != client)
|
|
geclient = geclient->next;
|
|
if (geclient)
|
|
{
|
|
tempGrab.genericMasks = xcalloc(1, sizeof(GenericMaskRec));
|
|
*tempGrab.genericMasks = *geclient;
|
|
tempGrab.genericMasks->next = NULL;
|
|
}
|
|
}
|
|
(*pDev->deviceGrab.ActivateGrab)(pDev, &tempGrab,
|
|
currentTime, TRUE | ImplicitGrabMask);
|
|
}
|
|
else if ((type == MotionNotify) && deliveries)
|
|
pDev->valuator->motionHintWindow = pWin;
|
|
else
|
|
{
|
|
if ((type == DeviceMotionNotify || type == DeviceButtonPress) &&
|
|
deliveries)
|
|
CheckDeviceGrabAndHintWindow (pWin, type,
|
|
(deviceKeyButtonPointer*) pEvents,
|
|
grab, client, deliveryMask);
|
|
}
|
|
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), NULL, 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), NULL, 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(
|
|
DeviceIntPtr pDev,
|
|
xEvent *xE,
|
|
WindowPtr pWin,
|
|
Window child,
|
|
Bool calcChild)
|
|
{
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
|
|
if (xE->u.u.type == GenericEvent) /* just a safety barrier */
|
|
return;
|
|
|
|
if (calcChild)
|
|
{
|
|
WindowPtr w= pSprite->spriteTrace[pSprite->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 = RootWindow(pDev)->drawable.id;
|
|
XE_KBPTR.event = pWin->drawable.id;
|
|
if (pSprite->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 both core input events
|
|
* and XI events.
|
|
* For events from a non-grabbed, non-focus device, DeliverDeviceEvents is
|
|
* called directly from the processInputProc.
|
|
* For grabbed devices, DeliverGrabbedEvent is called first, and _may_ call
|
|
* DeliverDeviceEvents.
|
|
* For focused events, DeliverFocusedEvent is called first, and _may_ call
|
|
* DeliverDeviceEvents.
|
|
*
|
|
* @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.
|
|
*
|
|
* @see DeliverGrabbedEvent
|
|
* @see DeliverFocusedEvent
|
|
*/
|
|
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[dev->id][type];
|
|
int deliveries = 0;
|
|
OtherInputMasks *inputMasks;
|
|
int mskidx = dev->id;
|
|
xEvent core;
|
|
|
|
if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, xE, count))
|
|
return 0;
|
|
|
|
/* handle generic events */
|
|
/* XXX: Generic events aren't quite handled correctly yet. They should
|
|
* eventually fit in with the rest of the stuff
|
|
*/
|
|
if (type == GenericEvent)
|
|
{
|
|
WindowPtr win = pWin;
|
|
xGenericEvent* ge = (xGenericEvent*)xE;
|
|
|
|
if (count > 1)
|
|
{
|
|
ErrorF("[dix] Do not send more than one GenericEvent at a time!\n");
|
|
return 0;
|
|
}
|
|
filter = generic_filters[GEEXTIDX(xE)][ge->evtype];
|
|
|
|
while(win)
|
|
{
|
|
if (GEDeviceMaskIsSet(win, dev, GEEXT(xE), filter))
|
|
{
|
|
if (GEExtensions[GEEXTIDX(xE)].evfill)
|
|
GEExtensions[GEEXTIDX(xE)].evfill(ge, dev, win, grab);
|
|
deliveries = DeliverEventsToWindow(dev, win, xE, count,
|
|
filter, grab, 0);
|
|
if (deliveries > 0)
|
|
return deliveries;
|
|
}
|
|
|
|
win = win->parent;
|
|
}
|
|
}
|
|
|
|
while (pWin && type != GenericEvent)
|
|
{
|
|
/* First try XI event delivery */
|
|
inputMasks = wOtherInputMasks(pWin);
|
|
if (inputMasks && (filter & inputMasks->deliverableEvents[mskidx]))
|
|
{
|
|
|
|
if (inputMasks && (inputMasks->inputEvents[mskidx] & filter))
|
|
{
|
|
FixUpEventFromWindow(dev, xE, pWin, child, FALSE);
|
|
deliveries = DeliverEventsToWindow(dev, pWin, xE, count,
|
|
filter, grab, mskidx);
|
|
if (deliveries > 0)
|
|
return deliveries;
|
|
}
|
|
}
|
|
|
|
if ((deliveries < 0) || (pWin == stopAt) ||
|
|
(inputMasks && (filter & inputMasks->dontPropagateMask[mskidx])))
|
|
return 0;
|
|
|
|
if (dev->isMaster && dev->coreEvents)
|
|
{
|
|
|
|
/* no XI event delivered. Try core event */
|
|
core = *xE;
|
|
core.u.u.type = XItoCoreType(xE->u.u.type);
|
|
|
|
if (core.u.u.type && filter & pWin->deliverableEvents)
|
|
{
|
|
if ((wOtherEventMasks(pWin)|pWin->eventMask) & filter)
|
|
{
|
|
FixUpEventFromWindow(dev, &core, pWin, child, FALSE);
|
|
deliveries = DeliverEventsToWindow(dev, pWin, &core, 1,
|
|
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.
|
|
*/
|
|
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;
|
|
/* We don't know a device here. However, this should only ever be called
|
|
for a non-device event so we are safe to use 0*/
|
|
filter = filters[0][xE->u.u.type];
|
|
if ((filter & SubstructureNotifyMask) && (xE->u.u.type != CreateNotify))
|
|
xE->u.destroyNotify.event = pWin->drawable.id;
|
|
if (filter != StructureAndSubMask)
|
|
return DeliverEventsToWindow(inputInfo.pointer, pWin, xE, count, filter, NullGrab, 0);
|
|
deliveries = DeliverEventsToWindow(inputInfo.pointer, pWin, xE, count, StructureNotifyMask,
|
|
NullGrab, 0);
|
|
if (pWin->parent)
|
|
{
|
|
xE->u.destroyNotify.event = pWin->parent->drawable.id;
|
|
deliveries += DeliverEventsToWindow(inputInfo.pointer, pWin->parent, xE, count,
|
|
SubstructureNotifyMask, NullGrab,
|
|
0);
|
|
if (xE->u.u.type == ReparentNotify)
|
|
{
|
|
xE->u.destroyNotify.event = otherParent->drawable.id;
|
|
deliveries += DeliverEventsToWindow(inputInfo.pointer,
|
|
otherParent, xE, count, SubstructureNotifyMask,
|
|
NullGrab, 0);
|
|
}
|
|
}
|
|
return deliveries;
|
|
}
|
|
|
|
|
|
static Bool
|
|
PointInBorderSize(WindowPtr pWin, int x, int y)
|
|
{
|
|
BoxRec box;
|
|
SpritePtr pSprite = inputInfo.pointer->spriteInfo->sprite;
|
|
|
|
if(POINT_IN_REGION(pWin->drawable.pScreen, &pWin->borderSize, x, y, &box))
|
|
return TRUE;
|
|
|
|
#ifdef PANORAMIX
|
|
if(!noPanoramiXExtension &&
|
|
XineramaSetWindowPntrs(inputInfo.pointer, pWin)) {
|
|
int i;
|
|
|
|
for(i = 1; i < PanoramiXNumScreens; i++) {
|
|
if(POINT_IN_REGION(pSprite->screen,
|
|
&pSprite->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(DeviceIntPtr pDev, int x, int y)
|
|
{
|
|
WindowPtr pWin;
|
|
BoxRec box;
|
|
SpritePtr pSprite;
|
|
|
|
pSprite = pDev->spriteInfo->sprite;
|
|
pSprite->spriteTraceGood = 1; /* root window still there */
|
|
pWin = RootWindow(pDev)->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))
|
|
/* 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))
|
|
#ifdef ROOTLESS
|
|
/* In rootless mode windows may be offscreen, even when
|
|
* they're in X's stack. (E.g. if the native window system
|
|
* implements some form of virtual desktop system).
|
|
*/
|
|
&& !pWin->rootlessUnhittable
|
|
#endif
|
|
)
|
|
{
|
|
if (pSprite->spriteTraceGood >= pSprite->spriteTraceSize)
|
|
{
|
|
pSprite->spriteTraceSize += 10;
|
|
pSprite->spriteTrace = xrealloc(pSprite->spriteTrace,
|
|
pSprite->spriteTraceSize*sizeof(WindowPtr));
|
|
}
|
|
pSprite->spriteTrace[pSprite->spriteTraceGood++] = pWin;
|
|
pWin = pWin->firstChild;
|
|
}
|
|
else
|
|
pWin = pWin->nextSib;
|
|
}
|
|
return pSprite->spriteTrace[pSprite->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.
|
|
*
|
|
* CheckMotion() will not do anything and return FALSE if the event is not a
|
|
* pointer event.
|
|
*
|
|
* @return TRUE if the sprite has moved or FALSE otherwise.
|
|
*/
|
|
Bool
|
|
CheckMotion(xEvent *xE, DeviceIntPtr pDev)
|
|
{
|
|
INT16 *rootX, *rootY;
|
|
WindowPtr prevSpriteWin;
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
|
|
prevSpriteWin = pSprite->win;
|
|
|
|
if (xE && !syncEvents.playingEvents)
|
|
{
|
|
/* GetPointerEvents() guarantees that pointer events have the correct
|
|
rootX/Y set already. */
|
|
switch(xE->u.u.type)
|
|
{
|
|
case ButtonPress:
|
|
case ButtonRelease:
|
|
case MotionNotify:
|
|
rootX = &XE_KBPTR.rootX;
|
|
rootY = &XE_KBPTR.rootY;
|
|
break;
|
|
default:
|
|
if (xE->u.u.type == DeviceButtonPress ||
|
|
xE->u.u.type == DeviceButtonRelease ||
|
|
xE->u.u.type == DeviceMotionNotify)
|
|
{
|
|
rootX = &((deviceKeyButtonPointer*)xE)->root_x;
|
|
rootY = &((deviceKeyButtonPointer*)xE)->root_y;
|
|
break;
|
|
}
|
|
/* all other events return FALSE */
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
#ifdef PANORAMIX
|
|
if (!noPanoramiXExtension)
|
|
{
|
|
/* Motion events entering DIX get translated to Screen 0
|
|
coordinates. Replayed events have already been
|
|
translated since they've entered DIX before */
|
|
*rootX += panoramiXdataPtr[pSprite->screen->myNum].x -
|
|
panoramiXdataPtr[0].x;
|
|
*rootY += panoramiXdataPtr[pSprite->screen->myNum].y -
|
|
panoramiXdataPtr[0].y;
|
|
} else
|
|
#endif
|
|
{
|
|
if (pSprite->hot.pScreen != pSprite->hotPhys.pScreen)
|
|
{
|
|
pSprite->hot.pScreen = pSprite->hotPhys.pScreen;
|
|
RootWindow(pDev) = WindowTable[pSprite->hot.pScreen->myNum];
|
|
}
|
|
}
|
|
|
|
pSprite->hot.x = *rootX;
|
|
pSprite->hot.y = *rootY;
|
|
if (pSprite->hot.x < pSprite->physLimits.x1)
|
|
pSprite->hot.x = pSprite->physLimits.x1;
|
|
else if (pSprite->hot.x >= pSprite->physLimits.x2)
|
|
pSprite->hot.x = pSprite->physLimits.x2 - 1;
|
|
if (pSprite->hot.y < pSprite->physLimits.y1)
|
|
pSprite->hot.y = pSprite->physLimits.y1;
|
|
else if (pSprite->hot.y >= pSprite->physLimits.y2)
|
|
pSprite->hot.y = pSprite->physLimits.y2 - 1;
|
|
if (pSprite->hotShape)
|
|
ConfineToShape(pDev, pSprite->hotShape, &pSprite->hot.x, &pSprite->hot.y);
|
|
pSprite->hotPhys = pSprite->hot;
|
|
|
|
if ((pSprite->hotPhys.x != *rootX) ||
|
|
(pSprite->hotPhys.y != *rootY))
|
|
{
|
|
#ifdef PANORAMIX
|
|
if (!noPanoramiXExtension)
|
|
{
|
|
XineramaSetCursorPosition(
|
|
pDev, pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE);
|
|
} else
|
|
#endif
|
|
{
|
|
(*pSprite->hotPhys.pScreen->SetCursorPosition)(
|
|
pDev, pSprite->hotPhys.pScreen,
|
|
pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE);
|
|
}
|
|
}
|
|
|
|
*rootX = pSprite->hot.x;
|
|
*rootY = pSprite->hot.y;
|
|
}
|
|
|
|
pSprite->win = XYToWindow(pDev, pSprite->hot.x, pSprite->hot.y);
|
|
|
|
if (pSprite->win != prevSpriteWin)
|
|
{
|
|
if (prevSpriteWin != NullWindow) {
|
|
if (!xE)
|
|
UpdateCurrentTimeIf();
|
|
DoEnterLeaveEvents(pDev, prevSpriteWin, pSprite->win,
|
|
NotifyNormal);
|
|
}
|
|
PostNewCursor(pDev);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Windows have restructured, we need to update the sprite position and the
|
|
* sprite's cursor.
|
|
*/
|
|
void
|
|
WindowsRestructured(void)
|
|
{
|
|
DeviceIntPtr pDev = inputInfo.devices;
|
|
while(pDev)
|
|
{
|
|
if (DevHasCursor(pDev))
|
|
CheckMotion((xEvent *)NULL, pDev);
|
|
pDev = pDev->next;
|
|
}
|
|
}
|
|
|
|
#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;
|
|
DeviceIntPtr pDev;
|
|
SpritePtr pSprite;
|
|
|
|
if (noPanoramiXExtension) return;
|
|
|
|
pDev = inputInfo.devices;
|
|
while(pDev)
|
|
{
|
|
if (DevHasCursor(pDev))
|
|
{
|
|
pSprite = pDev->spriteInfo->sprite;
|
|
pSprite->hot.x -= xoff;
|
|
pSprite->hot.y -= yoff;
|
|
|
|
pSprite->hotPhys.x -= xoff;
|
|
pSprite->hotPhys.y -= yoff;
|
|
|
|
pSprite->hotLimits.x1 -= xoff;
|
|
pSprite->hotLimits.y1 -= yoff;
|
|
pSprite->hotLimits.x2 -= xoff;
|
|
pSprite->hotLimits.y2 -= yoff;
|
|
|
|
if (REGION_NOTEMPTY(pSprite->screen, &pSprite->Reg1))
|
|
REGION_TRANSLATE(pSprite->screen, &pSprite->Reg1, xoff, yoff);
|
|
if (REGION_NOTEMPTY(pSprite->screen, &pSprite->Reg2))
|
|
REGION_TRANSLATE(pSprite->screen, &pSprite->Reg2, xoff, yoff);
|
|
|
|
/* FIXME: if we call ConfineCursorToWindow, must we do anything else? */
|
|
if ((grab = pDev->deviceGrab.grab) && grab->confineTo) {
|
|
if (grab->confineTo->drawable.pScreen
|
|
!= pSprite->hotPhys.pScreen)
|
|
pSprite->hotPhys.x = pSprite->hotPhys.y = 0;
|
|
ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE);
|
|
} else
|
|
ConfineCursorToWindow(
|
|
pDev,
|
|
WindowTable[pSprite->hotPhys.pScreen->myNum],
|
|
TRUE, FALSE);
|
|
|
|
}
|
|
pDev = pDev->next;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* Initialize a sprite for the given device and set it to some sane values. If
|
|
* the device already has a sprite alloc'd, don't realloc but just reset to
|
|
* default values.
|
|
* If a window is supplied, the sprite will be initialized with the window's
|
|
* cursor and positioned in the center of the window's screen. The root window
|
|
* is a good choice to pass in here.
|
|
*
|
|
* It's a good idea to call it only for pointer devices, unless you have a
|
|
* really talented keyboard.
|
|
*
|
|
* @param pDev The device to initialize.
|
|
* @param pWin The window where to generate the sprite in.
|
|
*
|
|
*/
|
|
void
|
|
InitializeSprite(DeviceIntPtr pDev, WindowPtr pWin)
|
|
{
|
|
SpritePtr pSprite;
|
|
ScreenPtr pScreen;
|
|
|
|
if (!pDev->spriteInfo->sprite)
|
|
{
|
|
DeviceIntPtr it;
|
|
|
|
pDev->spriteInfo->sprite = (SpritePtr)xcalloc(1, sizeof(SpriteRec));
|
|
if (!pDev->spriteInfo->sprite)
|
|
FatalError("InitializeSprite: failed to allocate sprite struct");
|
|
|
|
/* We may have paired another device with this device before our
|
|
* device had a actual sprite. We need to check for this and reset the
|
|
* sprite field for all paired devices.
|
|
*
|
|
* The VCK is always paired with the VCP before the VCP has a sprite.
|
|
*/
|
|
for (it = inputInfo.devices; it; it = it->next)
|
|
{
|
|
if (it->spriteInfo->paired == pDev)
|
|
it->spriteInfo->sprite = pDev->spriteInfo->sprite;
|
|
}
|
|
if (inputInfo.keyboard->spriteInfo->paired == pDev)
|
|
inputInfo.keyboard->spriteInfo->sprite = pDev->spriteInfo->sprite;
|
|
}
|
|
|
|
pSprite = pDev->spriteInfo->sprite;
|
|
pDev->spriteInfo->spriteOwner = TRUE;
|
|
|
|
pScreen = (pWin) ? pWin->drawable.pScreen : (ScreenPtr)NULL;
|
|
pSprite->hot.pScreen = pScreen;
|
|
pSprite->hotPhys.pScreen = pScreen;
|
|
if (pScreen)
|
|
{
|
|
pSprite->hotPhys.x = pScreen->width / 2;
|
|
pSprite->hotPhys.y = pScreen->height / 2;
|
|
pSprite->hotLimits.x2 = pScreen->width;
|
|
pSprite->hotLimits.y2 = pScreen->height;
|
|
}
|
|
|
|
pSprite->hot = pSprite->hotPhys;
|
|
pSprite->win = pWin;
|
|
|
|
if (pWin)
|
|
{
|
|
pSprite->current = wCursor(pWin);
|
|
pSprite->current->refcnt++;
|
|
pSprite->spriteTrace = (WindowPtr *)xcalloc(1, 32*sizeof(WindowPtr));
|
|
if (!pSprite->spriteTrace)
|
|
FatalError("Failed to allocate spriteTrace");
|
|
pSprite->spriteTraceSize = 32;
|
|
|
|
RootWindow(pDev) = pWin;
|
|
pSprite->spriteTraceGood = 1;
|
|
|
|
pSprite->pEnqueueScreen = pScreen;
|
|
pSprite->pDequeueScreen = pSprite->pEnqueueScreen;
|
|
|
|
} else {
|
|
pSprite->current = NullCursor;
|
|
pSprite->spriteTrace = NULL;
|
|
pSprite->spriteTraceSize = 0;
|
|
pSprite->spriteTraceGood = 0;
|
|
pSprite->pEnqueueScreen = screenInfo.screens[0];
|
|
pSprite->pDequeueScreen = pSprite->pEnqueueScreen;
|
|
}
|
|
|
|
if (pScreen)
|
|
{
|
|
(*pScreen->RealizeCursor) ( pDev, pScreen, pSprite->current);
|
|
(*pScreen->CursorLimits) ( pDev, pScreen, pSprite->current,
|
|
&pSprite->hotLimits, &pSprite->physLimits);
|
|
pSprite->confined = FALSE;
|
|
|
|
(*pScreen->ConstrainCursor) (pDev, pScreen,
|
|
&pSprite->physLimits);
|
|
(*pScreen->SetCursorPosition) (pDev, pScreen, pSprite->hot.x,
|
|
pSprite->hot.y,
|
|
FALSE);
|
|
(*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current);
|
|
}
|
|
#ifdef PANORAMIX
|
|
if(!noPanoramiXExtension) {
|
|
pSprite->hotLimits.x1 = -panoramiXdataPtr[0].x;
|
|
pSprite->hotLimits.y1 = -panoramiXdataPtr[0].y;
|
|
pSprite->hotLimits.x2 = PanoramiXPixWidth - panoramiXdataPtr[0].x;
|
|
pSprite->hotLimits.y2 = PanoramiXPixHeight - panoramiXdataPtr[0].y;
|
|
pSprite->physLimits = pSprite->hotLimits;
|
|
pSprite->confineWin = NullWindow;
|
|
pSprite->hotShape = NullRegion;
|
|
pSprite->screen = pScreen;
|
|
/* gotta UNINIT these someplace */
|
|
REGION_NULL(pScreen, &pSprite->Reg1);
|
|
REGION_NULL(pScreen, &pSprite->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(DeviceIntPtr pDev, ScreenPtr pScreen)
|
|
{
|
|
SpritePtr pSprite = NULL;
|
|
WindowPtr win = NULL;
|
|
if (!pScreen)
|
|
return ;
|
|
|
|
if (!pDev->spriteInfo->sprite)
|
|
return;
|
|
|
|
pSprite = pDev->spriteInfo->sprite;
|
|
|
|
win = WindowTable[pScreen->myNum];
|
|
|
|
pSprite->hotPhys.pScreen = pScreen;
|
|
pSprite->hot = pSprite->hotPhys;
|
|
pSprite->hotLimits.x2 = pScreen->width;
|
|
pSprite->hotLimits.y2 = pScreen->height;
|
|
pSprite->win = win;
|
|
pSprite->current = wCursor (win);
|
|
pSprite->current->refcnt++;
|
|
pSprite->spriteTraceGood = 1;
|
|
pSprite->spriteTrace[0] = win;
|
|
(*pScreen->CursorLimits) (pDev,
|
|
pScreen,
|
|
pSprite->current,
|
|
&pSprite->hotLimits,
|
|
&pSprite->physLimits);
|
|
pSprite->confined = FALSE;
|
|
(*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits);
|
|
(*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current);
|
|
|
|
#ifdef PANORAMIX
|
|
if(!noPanoramiXExtension) {
|
|
pSprite->hotLimits.x1 = -panoramiXdataPtr[0].x;
|
|
pSprite->hotLimits.y1 = -panoramiXdataPtr[0].y;
|
|
pSprite->hotLimits.x2 = PanoramiXPixWidth - panoramiXdataPtr[0].x;
|
|
pSprite->hotLimits.y2 = PanoramiXPixHeight - panoramiXdataPtr[0].y;
|
|
pSprite->physLimits = pSprite->hotLimits;
|
|
pSprite->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)
|
|
{
|
|
DeviceIntPtr pDev;
|
|
|
|
for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
|
|
if (DevHasCursor(pDev))
|
|
PostNewCursor(pDev);
|
|
}
|
|
|
|
void
|
|
NewCurrentScreen(DeviceIntPtr pDev, ScreenPtr newScreen, int x, int y)
|
|
{
|
|
SpritePtr pSprite = pDev->spriteInfo->sprite;
|
|
|
|
pSprite->hotPhys.x = x;
|
|
pSprite->hotPhys.y = y;
|
|
#ifdef PANORAMIX
|
|
if(!noPanoramiXExtension) {
|
|
pSprite->hotPhys.x += panoramiXdataPtr[newScreen->myNum].x -
|
|
panoramiXdataPtr[0].x;
|
|
pSprite->hotPhys.y += panoramiXdataPtr[newScreen->myNum].y -
|
|
panoramiXdataPtr[0].y;
|
|
if (newScreen != pSprite->screen) {
|
|
pSprite->screen = newScreen;
|
|
/* Make sure we tell the DDX to update its copy of the screen */
|
|
if(pSprite->confineWin)
|
|
XineramaConfineCursorToWindow(pDev,
|
|
pSprite->confineWin, TRUE);
|
|
else
|
|
XineramaConfineCursorToWindow(pDev, 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)
|
|
(*pSprite->screen->SetCursorPosition)(
|
|
pDev,
|
|
pSprite->screen,
|
|
pSprite->hotPhys.x + panoramiXdataPtr[0].x -
|
|
panoramiXdataPtr[pSprite->screen->myNum].x,
|
|
pSprite->hotPhys.y + panoramiXdataPtr[0].y -
|
|
panoramiXdataPtr[pSprite->screen->myNum].y, FALSE);
|
|
}
|
|
} else
|
|
#endif
|
|
if (newScreen != pSprite->hotPhys.pScreen)
|
|
ConfineCursorToWindow(pDev, 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(inputInfo.pointer, pWin)) return FALSE;
|
|
|
|
xoff = x + panoramiXdataPtr[0].x;
|
|
yoff = y + panoramiXdataPtr[0].y;
|
|
|
|
for(i = 1; i < PanoramiXNumScreens; i++) {
|
|
pWin = inputInfo.pointer->spriteInfo->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;
|
|
SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite;
|
|
|
|
REQUEST(xWarpPointerReq);
|
|
|
|
|
|
if (stuff->dstWid != None) {
|
|
rc = dixLookupWindow(&dest, stuff->dstWid, client, DixReadAccess);
|
|
if (rc != Success)
|
|
return rc;
|
|
}
|
|
x = pSprite->hotPhys.x;
|
|
y = pSprite->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 < pSprite->physLimits.x1)
|
|
x = pSprite->physLimits.x1;
|
|
else if (x >= pSprite->physLimits.x2)
|
|
x = pSprite->physLimits.x2 - 1;
|
|
if (y < pSprite->physLimits.y1)
|
|
y = pSprite->physLimits.y1;
|
|
else if (y >= pSprite->physLimits.y2)
|
|
y = pSprite->physLimits.y2 - 1;
|
|
if (pSprite->hotShape)
|
|
ConfineToShape(PickPointer(client), pSprite->hotShape, &x, &y);
|
|
|
|
XineramaSetCursorPosition(PickPointer(client), 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;
|
|
SpritePtr pSprite;
|
|
|
|
REQUEST(xWarpPointerReq);
|
|
REQUEST_SIZE_MATCH(xWarpPointerReq);
|
|
|
|
/* XXX XACE ??*/
|
|
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;
|
|
}
|
|
}
|
|
|
|
dev = PickPointer(client);
|
|
if (dev->u.lastSlave)
|
|
dev = dev->u.lastSlave;
|
|
pSprite = dev->spriteInfo->sprite;
|
|
|
|
#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 = pSprite->hotPhys.x;
|
|
y = pSprite->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 != pSprite->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 = pSprite->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 == pSprite->hotPhys.pScreen)
|
|
{
|
|
if (x < pSprite->physLimits.x1)
|
|
x = pSprite->physLimits.x1;
|
|
else if (x >= pSprite->physLimits.x2)
|
|
x = pSprite->physLimits.x2 - 1;
|
|
if (y < pSprite->physLimits.y1)
|
|
y = pSprite->physLimits.y1;
|
|
else if (y >= pSprite->physLimits.y2)
|
|
y = pSprite->physLimits.y2 - 1;
|
|
if (pSprite->hotShape)
|
|
ConfineToShape(dev, pSprite->hotShape, &x, &y);
|
|
(*newScreen->SetCursorPosition)(dev, newScreen, x, y, TRUE);
|
|
}
|
|
else if (!PointerConfinedToScreen(dev))
|
|
{
|
|
NewCurrentScreen(dev, newScreen, x, y);
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
static Bool
|
|
BorderSizeNotEmpty(DeviceIntPtr pDev, WindowPtr pWin)
|
|
{
|
|
if(REGION_NOTEMPTY(pDev->spriteInfo->sprite->hotPhys.pScreen, &pWin->borderSize))
|
|
return TRUE;
|
|
|
|
#ifdef PANORAMIX
|
|
if(!noPanoramiXExtension && XineramaSetWindowPntrs(pDev, pWin)) {
|
|
int i;
|
|
|
|
for(i = 1; i < PanoramiXNumScreens; i++) {
|
|
if(REGION_NOTEMPTY(pDev->spriteInfo->sprite->screen,
|
|
&pDev->spriteInfo->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)
|
|
* @param count number of elements in xE.
|
|
* @param store The event that will be stored on the device (always XI)
|
|
* @param scount number of elements in store.
|
|
*/
|
|
|
|
static Bool
|
|
CheckPassiveGrabsOnWindow(
|
|
WindowPtr pWin,
|
|
DeviceIntPtr device,
|
|
xEvent *xE,
|
|
int count,
|
|
xEvent *store,
|
|
int scount)
|
|
{
|
|
GrabPtr grab = wPassiveGrabs(pWin);
|
|
GrabRec tempGrab;
|
|
GrabInfoPtr grabinfo;
|
|
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;
|
|
tempGrab.next = NULL;
|
|
for (; grab; grab = grab->next)
|
|
{
|
|
DeviceIntPtr gdev;
|
|
XkbSrvInfoPtr xkbi = NULL;
|
|
|
|
gdev= grab->modifierDevice;
|
|
if (grab->coreGrab)
|
|
{
|
|
if (IsPointerDevice(device))
|
|
gdev = GetPairedDevice(device);
|
|
else
|
|
gdev = device;
|
|
}
|
|
if (gdev && gdev->key)
|
|
xkbi= gdev->key->xkbInfo;
|
|
tempGrab.modifierDevice = grab->modifierDevice;
|
|
tempGrab.modifiersDetail.exact = xkbi ? xkbi->state.grab_mods : 0;
|
|
/* ignore the device for core events when comparing grabs */
|
|
if (GrabMatchesSecond(&tempGrab, grab, (xE->u.u.type < GenericEvent)) &&
|
|
(!grab->confineTo ||
|
|
(grab->confineTo->realized &&
|
|
BorderSizeNotEmpty(device, grab->confineTo))))
|
|
{
|
|
XE_KBPTR.state &= 0x1f00;
|
|
XE_KBPTR.state |= tempGrab.modifiersDetail.exact&(~0x1f00);
|
|
grabinfo = &device->deviceGrab;
|
|
/* A passive grab may have been created for a different device
|
|
than it is assigned to at this point in time.
|
|
Update the grab's device and modifier device to reflect the
|
|
current state.
|
|
Since XGrabDeviceButton requires to specify the
|
|
modifierDevice explicitly, we don't override this choice.
|
|
*/
|
|
if (xE->u.u.type < GenericEvent)
|
|
{
|
|
grab->device = device;
|
|
grab->modifierDevice = GetPairedDevice(device);
|
|
}
|
|
|
|
/* In some cases a passive core grab may exist, but the client
|
|
* already has a core grab on some other device. In this case we
|
|
* must not get the grab, otherwise we may never ungrab the
|
|
* device.
|
|
*/
|
|
|
|
if (grab->coreGrab)
|
|
{
|
|
DeviceIntPtr other;
|
|
BOOL interfering = FALSE;
|
|
for (other = inputInfo.devices; other; other = other->next)
|
|
{
|
|
GrabPtr othergrab = other->deviceGrab.grab;
|
|
if (othergrab && othergrab->coreGrab &&
|
|
SameClient(grab, rClient(othergrab)) &&
|
|
((IsPointerDevice(grab->device) &&
|
|
IsPointerDevice(othergrab->device)) ||
|
|
(IsKeyboardDevice(grab->device) &&
|
|
IsKeyboardDevice(othergrab->device))))
|
|
{
|
|
interfering = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
if (interfering)
|
|
continue;
|
|
}
|
|
|
|
|
|
(*grabinfo->ActivateGrab)(device, grab, currentTime, TRUE);
|
|
|
|
FixUpEventFromWindow(device, xE, grab->window, None, TRUE);
|
|
|
|
(void) TryClientEvents(rClient(grab), device, xE, count,
|
|
filters[device->id][xE->u.u.type],
|
|
filters[device->id][xE->u.u.type], grab);
|
|
|
|
if (grabinfo->sync.state == FROZEN_NO_EVENT)
|
|
{
|
|
if (grabinfo->sync.evcount < scount)
|
|
{
|
|
grabinfo->sync.event = xrealloc(grabinfo->sync.event,
|
|
scount * sizeof(xEvent));
|
|
}
|
|
grabinfo->sync.evcount = scount;
|
|
/* we always store the XI event, never the core event */
|
|
for (dxE = grabinfo->sync.event; --scount >= 0; dxE++, store++)
|
|
*dxE = *store;
|
|
grabinfo->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!
|
|
*
|
|
* The event we pass in must always be an XI event. From this, we then emulate
|
|
* the core event and then check for grabs.
|
|
*
|
|
* @param device The device that caused the event.
|
|
* @param xE The event to handle (Device{Button|Key}Press).
|
|
* @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 = IsPointerEvent(xE) ? NULL : device->focus;
|
|
xEvent core;
|
|
BOOL sendCore = (device->isMaster && device->coreEvents);
|
|
|
|
if ((xE->u.u.type == DeviceButtonPress)
|
|
&& (device->button->buttonsDown != 1))
|
|
return FALSE;
|
|
|
|
if (xE->u.u.type < EXTENSION_EVENT_BASE)
|
|
{
|
|
ErrorF("[dix] Core event passed into CheckDeviceGrabs.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
if (sendCore)
|
|
{
|
|
core = *xE;
|
|
core.u.u.type = XItoCoreType(xE->u.u.type);
|
|
if(!core.u.u.type) /* probably a Proximity event, can't grab for those */
|
|
return FALSE;
|
|
}
|
|
|
|
i = checkFirst;
|
|
|
|
if (focus)
|
|
{
|
|
for (; i < focus->traceGood; i++)
|
|
{
|
|
pWin = focus->trace[i];
|
|
/* XI grabs have precendence */
|
|
if (pWin->optional &&
|
|
(CheckPassiveGrabsOnWindow(pWin, device, xE, count, xE, count)
|
|
|| (sendCore && CheckPassiveGrabsOnWindow(pWin, device, &core,
|
|
1, xE, count))))
|
|
return TRUE;
|
|
}
|
|
|
|
if ((focus->win == NoneWin) ||
|
|
(i >= device->spriteInfo->sprite->spriteTraceGood) ||
|
|
((i > checkFirst) &&
|
|
(pWin != device->spriteInfo->sprite->spriteTrace[i-1])))
|
|
return FALSE;
|
|
}
|
|
|
|
for (; i < device->spriteInfo->sprite->spriteTraceGood; i++)
|
|
{
|
|
pWin = device->spriteInfo->sprite->spriteTrace[i];
|
|
if (pWin->optional &&
|
|
(CheckPassiveGrabsOnWindow(pWin, device, xE, count, xE, count) ||
|
|
(sendCore && CheckPassiveGrabsOnWindow(pWin, device, &core, 1,
|
|
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)
|
|
{
|
|
DeviceIntPtr pointer;
|
|
WindowPtr focus = keybd->focus->win;
|
|
BOOL sendCore = (keybd->isMaster && keybd->coreEvents);
|
|
xEvent core;
|
|
int deliveries = 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;
|
|
}
|
|
pointer = GetPairedDevice(keybd);
|
|
if (XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, xE, count))
|
|
return;
|
|
|
|
if (sendCore)
|
|
{
|
|
core = *xE;
|
|
core.u.u.type = XItoCoreType(xE->u.u.type);
|
|
}
|
|
|
|
/* just deliver it to the focus window */
|
|
FixUpEventFromWindow(pointer, xE, focus, None, FALSE);
|
|
deliveries = DeliverEventsToWindow(keybd, focus, xE, count,
|
|
filters[keybd->id][xE->u.u.type],
|
|
NullGrab, keybd->id);
|
|
|
|
if (deliveries > 0)
|
|
return;
|
|
|
|
if (sendCore && core.u.u.type)
|
|
{
|
|
FixUpEventFromWindow(keybd, &core, focus, None, FALSE);
|
|
deliveries = DeliverEventsToWindow(keybd, focus, &core, 1,
|
|
filters[keybd->id][core.u.u.type],
|
|
NullGrab, 0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
GrabInfoPtr grabinfo;
|
|
int deliveries = 0;
|
|
DeviceIntPtr dev;
|
|
xEvent *dxE, core;
|
|
SpritePtr pSprite = thisDev->spriteInfo->sprite;
|
|
BOOL sendCore = FALSE;
|
|
|
|
grabinfo = &thisDev->deviceGrab;
|
|
grab = grabinfo->grab;
|
|
|
|
if (grab->ownerEvents)
|
|
{
|
|
WindowPtr focus;
|
|
|
|
/* Hack: Some pointer device have a focus class. So we need to check
|
|
* for the type of event, to see if we really want to deliver it to
|
|
* the focus window. For pointer events, the answer is no.
|
|
*/
|
|
if (IsPointerEvent(xE))
|
|
focus = PointerRootWin;
|
|
else if (thisDev->focus)
|
|
{
|
|
focus = thisDev->focus->win;
|
|
if (focus == FollowKeyboardWin)
|
|
focus = inputInfo.keyboard->focus->win;
|
|
}
|
|
else
|
|
focus = PointerRootWin;
|
|
if (focus == PointerRootWin)
|
|
deliveries = DeliverDeviceEvents(pSprite->win, xE, grab,
|
|
NullWindow, thisDev, count);
|
|
else if (focus && (focus == pSprite->win ||
|
|
IsParent(focus, pSprite->win)))
|
|
deliveries = DeliverDeviceEvents(pSprite->win, xE, grab, focus,
|
|
thisDev, count);
|
|
else if (focus)
|
|
deliveries = DeliverDeviceEvents(focus, xE, grab, focus,
|
|
thisDev, count);
|
|
}
|
|
if (!deliveries)
|
|
{
|
|
if (xE->u.u.type == GenericEvent)
|
|
{
|
|
/* find evmask for event's extension */
|
|
xGenericEvent* ge = ((xGenericEvent*)xE);
|
|
GenericMaskPtr gemask = grab->genericMasks;
|
|
|
|
if (!gemask || !gemask->eventMask[GEEXTIDX(ge)])
|
|
return;
|
|
|
|
if (GEEventFill(xE))
|
|
GEEventFill(xE)(ge, thisDev, grab->window, grab);
|
|
deliveries = TryClientEvents(rClient(grab), thisDev, xE,
|
|
count, gemask->eventMask[GEEXTIDX(ge)],
|
|
generic_filters[GEEXTIDX(ge)][ge->evtype],
|
|
grab);
|
|
} else
|
|
{
|
|
Mask mask = grab->eventMask;
|
|
|
|
sendCore = (thisDev->isMaster && thisDev->coreEvents);
|
|
/* try core event */
|
|
if (sendCore && grab->coreGrab)
|
|
{
|
|
core = *xE;
|
|
core.u.u.type = XItoCoreType(xE->u.u.type);
|
|
if(core.u.u.type) {
|
|
FixUpEventFromWindow(thisDev, &core, grab->window,
|
|
None, TRUE);
|
|
if (XaceHook(XACE_SEND_ACCESS, 0, thisDev,
|
|
grab->window, &core, 1) ||
|
|
XaceHook(XACE_RECEIVE_ACCESS, rClient(grab),
|
|
grab->window, &core, 1))
|
|
deliveries = 1; /* don't send, but pretend we did */
|
|
else if (!IsInterferingGrab(rClient(grab), thisDev,
|
|
&core))
|
|
{
|
|
deliveries = TryClientEvents(rClient(grab), thisDev,
|
|
&core, 1, mask,
|
|
filters[thisDev->id][core.u.u.type],
|
|
grab);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!deliveries)
|
|
{
|
|
/* try XI event */
|
|
if (grabinfo->fromPassiveGrab &&
|
|
grabinfo->implicitGrab &&
|
|
(xE->u.u.type & EXTENSION_EVENT_BASE))
|
|
mask = grab->deviceMask;
|
|
FixUpEventFromWindow(thisDev, 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), thisDev,
|
|
xE, count,
|
|
mask,
|
|
filters[thisDev->id][xE->u.u.type],
|
|
grab);
|
|
}
|
|
|
|
}
|
|
}
|
|
if (deliveries && (xE->u.u.type == MotionNotify
|
|
|| xE->u.u.type == DeviceMotionNotify))
|
|
thisDev->valuator->motionHintWindow = grab->window;
|
|
}
|
|
if (deliveries && !deactivateGrab &&
|
|
(xE->u.u.type != MotionNotify && xE->u.u.type != DeviceMotionNotify))
|
|
{
|
|
switch (grabinfo->sync.state)
|
|
{
|
|
case FREEZE_BOTH_NEXT_EVENT:
|
|
for (dev = inputInfo.devices; dev; dev = dev->next)
|
|
{
|
|
if (dev == thisDev)
|
|
continue;
|
|
FreezeThaw(dev, TRUE);
|
|
if ((grabinfo->sync.state == FREEZE_BOTH_NEXT_EVENT) &&
|
|
(CLIENT_BITS(grab->resource) ==
|
|
CLIENT_BITS(grab->resource)))
|
|
grabinfo->sync.state = FROZEN_NO_EVENT;
|
|
else
|
|
grabinfo->sync.other = grab;
|
|
}
|
|
/* fall through */
|
|
case FREEZE_NEXT_EVENT:
|
|
grabinfo->sync.state = FROZEN_WITH_EVENT;
|
|
FreezeThaw(thisDev, TRUE);
|
|
if (grabinfo->sync.evcount < count)
|
|
{
|
|
grabinfo->sync.event = xrealloc(grabinfo->sync.event,
|
|
count * sizeof(xEvent));
|
|
}
|
|
grabinfo->sync.evcount = count;
|
|
for (dxE = grabinfo->sync.event; --count >= 0; dxE++, xE++)
|
|
*dxE = *xE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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");
|
|
}
|
|
|
|
#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 plus the events that may be propagated to the parent.
|
|
*
|
|
* Traverses to siblings and parents of the window.
|
|
*/
|
|
void
|
|
RecalculateDeliverableEvents(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;
|
|
DeviceIntPtr dev;
|
|
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 = 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 ((mask & PointerMotionHintMask) && !(check & PointerMotionHintMask))
|
|
{
|
|
for (dev = inputInfo.devices; dev; dev = dev->next)
|
|
{
|
|
if (dev->valuator && dev->valuator->motionHintWindow == pWin)
|
|
dev->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;
|
|
}
|
|
|
|
/**
|
|
* Assembles an EnterNotify or LeaveNotify and sends it event to the client.
|
|
* Uses the paired keyboard to get some additional information.
|
|
*/
|
|
void
|
|
CoreEnterLeaveEvent(
|
|
DeviceIntPtr mouse,
|
|
int type,
|
|
int mode,
|
|
int detail,
|
|
WindowPtr pWin,
|
|
Window child)
|
|
{
|
|
xEvent event;
|
|
WindowPtr focus;
|
|
DeviceIntPtr keybd;
|
|
GrabPtr grab = mouse->deviceGrab.grab;
|
|
Mask mask;
|
|
|
|
keybd = GetPairedDevice(mouse);
|
|
|
|
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);
|
|
}
|
|
|
|
event.u.u.type = type;
|
|
event.u.u.detail = detail;
|
|
event.u.enterLeave.time = currentTime.milliseconds;
|
|
event.u.enterLeave.rootX = mouse->spriteInfo->sprite->hot.x;
|
|
event.u.enterLeave.rootY = mouse->spriteInfo->sprite->hot.y;
|
|
/* Counts on the same initial structure of crossing & button events! */
|
|
FixUpEventFromWindow(mouse, &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;
|
|
event.u.enterLeave.state = mouse->button->state & 0x1f00;
|
|
if (keybd)
|
|
event.u.enterLeave.state |=
|
|
XkbGrabStateFromRec(&keybd->key->xkbInfo->state);
|
|
event.u.enterLeave.mode = mode;
|
|
focus = (keybd) ? keybd->focus->win : None;
|
|
if ((focus != NoneWin) &&
|
|
((pWin == focus) || (focus == PointerRootWin) ||
|
|
IsParent(focus, pWin)))
|
|
event.u.enterLeave.flags |= ELFlagFocus;
|
|
|
|
if ((mask & filters[mouse->id][type]))
|
|
{
|
|
if (grab)
|
|
TryClientEvents(rClient(grab), mouse, &event, 1, mask,
|
|
filters[mouse->id][type], grab);
|
|
else
|
|
DeliverEventsToWindow(mouse, pWin, &event, 1,
|
|
filters[mouse->id][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)
|
|
TryClientEvents(rClient(grab), keybd, (xEvent *)&ke, 1,
|
|
mask, KeymapStateMask, grab);
|
|
else
|
|
DeliverEventsToWindow(mouse, pWin, (xEvent *)&ke, 1,
|
|
KeymapStateMask, NullGrab, 0);
|
|
}
|
|
}
|
|
|
|
void
|
|
DeviceEnterLeaveEvent(
|
|
DeviceIntPtr mouse,
|
|
int type,
|
|
int mode,
|
|
int detail,
|
|
WindowPtr pWin,
|
|
Window child)
|
|
{
|
|
xEvent event;
|
|
GrabPtr grab = mouse->deviceGrab.grab;
|
|
deviceEnterNotify *devEnterLeave;
|
|
int mskidx;
|
|
OtherInputMasks *inputMasks;
|
|
Mask mask;
|
|
DeviceIntPtr keybd = GetPairedDevice(mouse);
|
|
BOOL sameScreen;
|
|
|
|
if (grab) {
|
|
mask = (pWin == grab->window) ? grab->eventMask : 0;
|
|
if (grab->ownerEvents)
|
|
mask |= EventMaskForClient(pWin, rClient(grab));
|
|
} else {
|
|
mask = pWin->eventMask | wOtherEventMasks(pWin);
|
|
}
|
|
|
|
/* we don't have enough bytes, so we squash flags and mode into
|
|
one byte, and use the last byte for the deviceid. */
|
|
devEnterLeave = (deviceEnterNotify*)&event;
|
|
devEnterLeave->type = type;
|
|
devEnterLeave->detail = detail;
|
|
devEnterLeave->time = currentTime.milliseconds;
|
|
devEnterLeave->rootX = mouse->spriteInfo->sprite->hot.x;
|
|
devEnterLeave->rootY = mouse->spriteInfo->sprite->hot.y;
|
|
FixUpEventFromWindow(mouse, &event, pWin, None, FALSE);
|
|
sameScreen = event.u.keyButtonPointer.sameScreen;
|
|
|
|
devEnterLeave->child = child;
|
|
devEnterLeave->deviceid = mouse->id;
|
|
devEnterLeave->mode = mode;
|
|
devEnterLeave->mode |= (sameScreen ? (ELFlagSameScreen << 4) : 0);
|
|
|
|
devEnterLeave->state = mouse->button->state & 0x1f00;
|
|
if (keybd)
|
|
devEnterLeave->state |= XkbGrabStateFromRec(&keybd->key->xkbInfo->state);
|
|
|
|
mskidx = mouse->id;
|
|
inputMasks = wOtherInputMasks(pWin);
|
|
if (inputMasks &&
|
|
(filters[mouse->id][devEnterLeave->type] &
|
|
inputMasks->deliverableEvents[mskidx]))
|
|
{
|
|
if (grab)
|
|
TryClientEvents(rClient(grab), mouse,
|
|
(xEvent*)devEnterLeave, 1, mask,
|
|
filters[mouse->id][devEnterLeave->type], grab);
|
|
else
|
|
DeliverEventsToWindow(mouse, pWin, (xEvent*)devEnterLeave, 1,
|
|
filters[mouse->id][devEnterLeave->type],
|
|
NullGrab, mouse->id);
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
CoreFocusEvent(DeviceIntPtr dev, int type, int mode, int detail, WindowPtr pWin)
|
|
{
|
|
xEvent event;
|
|
|
|
event.u.focus.mode = mode;
|
|
event.u.u.type = type;
|
|
event.u.u.detail = detail;
|
|
event.u.focus.window = pWin->drawable.id;
|
|
(void)DeliverEventsToWindow(dev, pWin, &event, 1,
|
|
filters[dev->id][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, FALSE))
|
|
memmove((char *)&ke.map[0], (char *)&dev->key->down[1], 31);
|
|
else
|
|
bzero((char *)&ke.map[0], 31);
|
|
|
|
ke.type = KeymapNotify;
|
|
(void)DeliverEventsToWindow(dev, pWin, (xEvent *)&ke, 1,
|
|
KeymapStateMask, NullGrab, 0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
DeviceIntPtr keybd; /* used for FollowKeyboard or FollowKeyboardWin */
|
|
|
|
|
|
UpdateCurrentTime();
|
|
if ((revertTo != RevertToParent) &&
|
|
(revertTo != RevertToPointerRoot) &&
|
|
(revertTo != RevertToNone) &&
|
|
((revertTo != RevertToFollowKeyboard) || !followOK))
|
|
{
|
|
client->errorValue = revertTo;
|
|
return BadValue;
|
|
}
|
|
time = ClientTimeToServerTime(ctime);
|
|
|
|
if (IsKeyboardDevice(dev))
|
|
keybd = dev;
|
|
else
|
|
keybd = GetPairedDevice(dev);
|
|
|
|
if ((focusID == None) || (focusID == PointerRoot))
|
|
focusWin = (WindowPtr)(long)focusID;
|
|
else if ((focusID == FollowKeyboard) && followOK)
|
|
{
|
|
focusWin = keybd->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->deviceGrab.grab) ? NotifyWhileGrabbed : NotifyNormal;
|
|
if (focus->win == FollowKeyboardWin)
|
|
DoFocusEvents(dev, keybd->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;
|
|
focus->trace = xrealloc(focus->trace,
|
|
focus->traceSize * sizeof(WindowPtr));
|
|
}
|
|
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(ClientPtr client)
|
|
{
|
|
DeviceIntPtr kbd = PickKeyboard(client);
|
|
REQUEST(xSetInputFocusReq);
|
|
|
|
REQUEST_SIZE_MATCH(xSetInputFocusReq);
|
|
|
|
return SetInputFocus(client, kbd, stuff->focus,
|
|
stuff->revertTo, stuff->time, FALSE);
|
|
}
|
|
|
|
/**
|
|
* Server-side protocol handling for GetInputFocus request.
|
|
*
|
|
* Sends the current input focus for the client's keyboard back to the
|
|
* client.
|
|
*/
|
|
int
|
|
ProcGetInputFocus(ClientPtr client)
|
|
{
|
|
DeviceIntPtr kbd = PickKeyboard(client);
|
|
xGetInputFocusReply rep;
|
|
FocusClassPtr focus = kbd->focus;
|
|
int rc;
|
|
/* REQUEST(xReq); */
|
|
REQUEST_SIZE_MATCH(xReq);
|
|
|
|
rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, 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 client's ClientPointer and returns success
|
|
* status to client.
|
|
*/
|
|
int
|
|
ProcGrabPointer(ClientPtr client)
|
|
{
|
|
xGrabPointerReply rep;
|
|
DeviceIntPtr device = PickPointer(client);
|
|
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->deviceGrab.grab;
|
|
/* check for
|
|
1. other client has a grab on the device already.
|
|
2. window is viewable
|
|
3. other client has this device as frozen "other" device
|
|
4. times are screwed.
|
|
*/
|
|
if ((grab) && !SameClient(grab, client))
|
|
rep.status = AlreadyGrabbed;
|
|
else if ((!pWin->realized) ||
|
|
(confineTo &&
|
|
!(confineTo->realized
|
|
&& BorderSizeNotEmpty(device, confineTo))))
|
|
rep.status = GrabNotViewable;
|
|
else if (device->deviceGrab.sync.frozen &&
|
|
device->deviceGrab.sync.other &&
|
|
!SameClient(device->deviceGrab.sync.other, client))
|
|
rep.status = GrabFrozen;
|
|
else if ((CompareTimeStamps(time, currentTime) == LATER) ||
|
|
(CompareTimeStamps(time, device->deviceGrab.grabTime) == EARLIER))
|
|
rep.status = GrabInvalidTime;
|
|
else
|
|
{
|
|
GrabRec tempGrab;
|
|
|
|
oldCursor = NullCursor;
|
|
if (grab)
|
|
{
|
|
if (grab->confineTo && !confineTo)
|
|
ConfineCursorToWindow(device, RootWindow(device), FALSE, FALSE);
|
|
oldCursor = grab->cursor;
|
|
}
|
|
tempGrab.next = NULL;
|
|
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;
|
|
tempGrab.coreGrab = True;
|
|
tempGrab.genericMasks = NULL;
|
|
(*device->deviceGrab.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.
|
|
*/
|
|
int
|
|
ProcChangeActivePointerGrab(ClientPtr client)
|
|
{
|
|
DeviceIntPtr device;
|
|
GrabPtr 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;
|
|
}
|
|
}
|
|
|
|
device = PickPointer(client);
|
|
grab = device->deviceGrab.grab;
|
|
|
|
if (!grab)
|
|
return Success;
|
|
if (!SameClient(grab, client))
|
|
return Success;
|
|
time = ClientTimeToServerTime(stuff->time);
|
|
if ((CompareTimeStamps(time, currentTime) == LATER) ||
|
|
(CompareTimeStamps(time, device->deviceGrab.grabTime) == EARLIER))
|
|
return Success;
|
|
oldCursor = grab->cursor;
|
|
grab->cursor = newCursor;
|
|
if (newCursor)
|
|
newCursor->refcnt++;
|
|
PostNewCursor(device);
|
|
if (oldCursor)
|
|
FreeCursor(oldCursor, (Cursor)0);
|
|
grab->eventMask = stuff->eventMask;
|
|
return Success;
|
|
}
|
|
|
|
/**
|
|
* Server-side protocol handling for UngrabPointer request.
|
|
*
|
|
* Deletes a pointer grab on a device the client has grabbed.
|
|
*/
|
|
int
|
|
ProcUngrabPointer(ClientPtr client)
|
|
{
|
|
DeviceIntPtr device = PickPointer(client);
|
|
GrabPtr grab;
|
|
TimeStamp time;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
UpdateCurrentTime();
|
|
grab = device->deviceGrab.grab;
|
|
|
|
time = ClientTimeToServerTime(stuff->id);
|
|
if ((CompareTimeStamps(time, currentTime) != LATER) &&
|
|
(CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) &&
|
|
(grab) && SameClient(grab, client))
|
|
(*device->deviceGrab.DeactivateGrab)(device);
|
|
return Success;
|
|
}
|
|
|
|
/**
|
|
* Sets a grab on the given device.
|
|
*
|
|
* Called from ProcGrabKeyboard to work on the client's 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,
|
|
Bool coreGrab)
|
|
{
|
|
WindowPtr pWin;
|
|
GrabPtr grab;
|
|
TimeStamp time;
|
|
Mask access_mode = DixGrabAccess;
|
|
int rc;
|
|
GrabInfoPtr grabInfo = &dev->deviceGrab;
|
|
|
|
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 = grabInfo->grab;
|
|
if (grab && !SameClient(grab, client))
|
|
*status = AlreadyGrabbed;
|
|
else if (!pWin->realized)
|
|
*status = GrabNotViewable;
|
|
else if ((CompareTimeStamps(time, currentTime) == LATER) ||
|
|
(CompareTimeStamps(time, grabInfo->grabTime) == EARLIER))
|
|
*status = GrabInvalidTime;
|
|
else if (grabInfo->sync.frozen &&
|
|
grabInfo->sync.other && !SameClient(grabInfo->sync.other, client))
|
|
*status = GrabFrozen;
|
|
else
|
|
{
|
|
GrabRec tempGrab;
|
|
|
|
/* Otherwise segfaults happen on grabbed MPX devices */
|
|
memset(&tempGrab, 0, sizeof(GrabRec));
|
|
|
|
tempGrab.next = NULL;
|
|
tempGrab.window = pWin;
|
|
tempGrab.resource = client->clientAsMask;
|
|
tempGrab.ownerEvents = ownerEvents;
|
|
tempGrab.keyboardMode = this_mode;
|
|
tempGrab.pointerMode = other_mode;
|
|
tempGrab.eventMask = mask;
|
|
tempGrab.device = dev;
|
|
tempGrab.cursor = NULL;
|
|
tempGrab.coreGrab = coreGrab;
|
|
tempGrab.genericMasks = NULL;
|
|
|
|
(*grabInfo->ActivateGrab)(dev, &tempGrab, time, FALSE);
|
|
*status = GrabSuccess;
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
/**
|
|
* Server-side protocol handling for GrabKeyboard request.
|
|
*
|
|
* Grabs the client's keyboard and returns success status to client.
|
|
*/
|
|
int
|
|
ProcGrabKeyboard(ClientPtr client)
|
|
{
|
|
xGrabKeyboardReply rep;
|
|
REQUEST(xGrabKeyboardReq);
|
|
int result;
|
|
DeviceIntPtr keyboard = PickKeyboard(client);
|
|
|
|
REQUEST_SIZE_MATCH(xGrabKeyboardReq);
|
|
|
|
result = GrabDevice(client, keyboard, stuff->keyboardMode,
|
|
stuff->pointerMode, stuff->grabWindow,
|
|
stuff->ownerEvents, stuff->time,
|
|
KeyPressMask | KeyReleaseMask, &rep.status, TRUE);
|
|
|
|
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 client's keyboard.
|
|
*/
|
|
int
|
|
ProcUngrabKeyboard(ClientPtr client)
|
|
{
|
|
DeviceIntPtr device = PickKeyboard(client);
|
|
GrabPtr grab;
|
|
TimeStamp time;
|
|
REQUEST(xResourceReq);
|
|
|
|
REQUEST_SIZE_MATCH(xResourceReq);
|
|
UpdateCurrentTime();
|
|
|
|
grab = device->deviceGrab.grab;
|
|
|
|
time = ClientTimeToServerTime(stuff->id);
|
|
if ((CompareTimeStamps(time, currentTime) != LATER) &&
|
|
(CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) &&
|
|
(grab) && SameClient(grab, client) && grab->coreGrab)
|
|
(*device->deviceGrab.DeactivateGrab)(device);
|
|
return Success;
|
|
}
|
|
|
|
/**
|
|
* Server-side protocol handling for QueryPointer request.
|
|
*
|
|
* Returns the current state and position of the client's ClientPointer to the
|
|
* client.
|
|
*/
|
|
int
|
|
ProcQueryPointer(ClientPtr client)
|
|
{
|
|
xQueryPointerReply rep;
|
|
WindowPtr pWin, t;
|
|
DeviceIntPtr mouse = PickPointer(client);
|
|
SpritePtr pSprite;
|
|
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;
|
|
|
|
pSprite = mouse->spriteInfo->sprite;
|
|
if (mouse->valuator->motionHintWindow)
|
|
MaybeStopHint(mouse, client);
|
|
rep.type = X_Reply;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.mask = mouse->button->state;
|
|
rep.mask |= XkbStateFieldFromRec(&inputInfo.keyboard->key->xkbInfo->state);
|
|
rep.length = 0;
|
|
rep.root = (RootWindow(mouse))->drawable.id;
|
|
rep.rootX = pSprite->hot.x;
|
|
rep.rootY = pSprite->hot.y;
|
|
rep.child = None;
|
|
if (pSprite->hot.pScreen == pWin->drawable.pScreen)
|
|
{
|
|
rep.sameScreen = xTrue;
|
|
rep.winX = pSprite->hot.x - pWin->drawable.x;
|
|
rep.winY = pSprite->hot.y - pWin->drawable.y;
|
|
for (t = pSprite->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;
|
|
|
|
inputInfo.numDevices = 0;
|
|
inputInfo.devices = (DeviceIntPtr)NULL;
|
|
inputInfo.off_devices = (DeviceIntPtr)NULL;
|
|
inputInfo.keyboard = (DeviceIntPtr)NULL;
|
|
inputInfo.pointer = (DeviceIntPtr)NULL;
|
|
lastEventMask = OwnerGrabButtonMask;
|
|
filters[0][PointerMotionMask] = MotionNotify;
|
|
for (i = 1; i < MAXDEVICES; i++)
|
|
{
|
|
memcpy(&filters[i], filters[0], sizeof(filters[0]));
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
InputEventListLen = GetMaximumEventsNum();
|
|
InputEventList = InitEventList(InputEventListLen);
|
|
if (!InputEventList)
|
|
FatalError("[dix] Failed to allocate input event list.\n");
|
|
}
|
|
|
|
void
|
|
CloseDownEvents(void)
|
|
{
|
|
int len;
|
|
EventListPtr list;
|
|
|
|
len = GetEventList(&list);
|
|
while(len--)
|
|
xfree(list[len].event);
|
|
}
|
|
|
|
/**
|
|
* 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 */
|
|
SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite;
|
|
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 = pSprite->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 = pSprite->spriteTrace[0]; /* Root window! */
|
|
|
|
if (IsParent(inputFocus, pSprite->win))
|
|
{
|
|
effectiveFocus = inputFocus;
|
|
pWin = pSprite->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(PickPointer(client), 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(PickPointer(client), 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. Works on the
|
|
* client's keyboard.
|
|
*/
|
|
int
|
|
ProcUngrabKey(ClientPtr client)
|
|
{
|
|
REQUEST(xUngrabKeyReq);
|
|
WindowPtr pWin;
|
|
GrabRec tempGrab;
|
|
DeviceIntPtr keybd = PickKeyboard(client);
|
|
int rc;
|
|
|
|
REQUEST_SIZE_MATCH(xUngrabKeyReq);
|
|
rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixReadAccess);
|
|
if (rc != Success)
|
|
return rc;
|
|
|
|
if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) ||
|
|
(stuff->key < keybd->key->xkbInfo->desc->min_key_code))
|
|
&& (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;
|
|
tempGrab.next = NULL;
|
|
|
|
if (!DeletePassiveGrabFromList(&tempGrab))
|
|
return(BadAlloc);
|
|
return(Success);
|
|
}
|
|
|
|
/**
|
|
* Server-side protocol handling for GrabKey request.
|
|
*
|
|
* Creates a grab for the client's keyboard and adds it to the list of passive
|
|
* grabs.
|
|
*/
|
|
int
|
|
ProcGrabKey(ClientPtr client)
|
|
{
|
|
WindowPtr pWin;
|
|
REQUEST(xGrabKeyReq);
|
|
GrabPtr grab;
|
|
DeviceIntPtr keybd = PickKeyboard(client);
|
|
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->xkbInfo->desc->max_key_code) ||
|
|
(stuff->key < keybd->key->xkbInfo->desc->min_key_code))
|
|
&& (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 client's ClientPointer and adds it as a passive grab
|
|
* to the list.
|
|
*/
|
|
int
|
|
ProcGrabButton(ClientPtr client)
|
|
{
|
|
WindowPtr pWin, confineTo;
|
|
REQUEST(xGrabButtonReq);
|
|
CursorPtr cursor;
|
|
GrabPtr grab;
|
|
DeviceIntPtr ptr, modifierDevice;
|
|
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;
|
|
}
|
|
|
|
ptr = PickPointer(client);
|
|
modifierDevice = GetPairedDevice(ptr);
|
|
if (stuff->pointerMode == GrabModeSync ||
|
|
stuff->keyboardMode == GrabModeSync)
|
|
access_mode |= DixFreezeAccess;
|
|
rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, access_mode);
|
|
if (rc != Success)
|
|
return rc;
|
|
|
|
grab = CreateGrab(client->index, ptr, pWin,
|
|
(Mask)stuff->eventMask, (Bool)stuff->ownerEvents,
|
|
(Bool) stuff->keyboardMode, (Bool)stuff->pointerMode,
|
|
modifierDevice, 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 client's ClientPointer 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 = PickPointer(client);
|
|
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;
|
|
tempGrab.next = 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;
|
|
OtherClientsPtr oc;
|
|
GrabPtr passive;
|
|
GrabPtr grab;
|
|
|
|
|
|
/* Deactivate any grabs performed on this window, before making any
|
|
input focus changes. */
|
|
grab = mouse->deviceGrab.grab;
|
|
if (grab &&
|
|
((grab->window == pWin) || (grab->confineTo == pWin)))
|
|
(*mouse->deviceGrab.DeactivateGrab)(mouse);
|
|
|
|
|
|
/* Deactivating a keyboard grab should cause focus events. */
|
|
grab = keybd->deviceGrab.grab;
|
|
if (grab && (grab->window == pWin))
|
|
(*keybd->deviceGrab.DeactivateGrab)(keybd);
|
|
|
|
/* And now the real devices */
|
|
for (mouse = inputInfo.devices; mouse; mouse = mouse->next)
|
|
{
|
|
grab = mouse->deviceGrab.grab;
|
|
if (grab && ((grab->window == pWin) || (grab->confineTo == pWin)))
|
|
(*mouse->deviceGrab.DeactivateGrab)(mouse);
|
|
}
|
|
|
|
|
|
for (keybd = inputInfo.devices; keybd; keybd = keybd->next)
|
|
{
|
|
if (IsKeyboardDevice(keybd))
|
|
{
|
|
focus = keybd->focus;
|
|
|
|
/* 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->deviceGrab.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 (IsPointerDevice(keybd))
|
|
{
|
|
if (keybd->valuator->motionHintWindow == pWin)
|
|
keybd->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);
|
|
}
|
|
|
|
DeleteWindowFromAnyExtEvents(pWin, freeResources);
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void
|
|
CheckCursorConfinement(WindowPtr pWin)
|
|
{
|
|
GrabPtr grab;
|
|
WindowPtr confineTo;
|
|
DeviceIntPtr pDev;
|
|
|
|
#ifdef PANORAMIX
|
|
if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) return;
|
|
#endif
|
|
|
|
for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
|
|
{
|
|
if (DevHasCursor(pDev))
|
|
{
|
|
grab = pDev->deviceGrab.grab;
|
|
if (grab && (confineTo = grab->confineTo))
|
|
{
|
|
if (!BorderSizeNotEmpty(pDev, confineTo))
|
|
(*inputInfo.pointer->deviceGrab.DeactivateGrab)(pDev);
|
|
else if ((pWin == confineTo) || IsParent(pWin, confineTo))
|
|
ConfineCursorToWindow(pDev, 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;
|
|
SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite;
|
|
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 == pSprite->screen);
|
|
else
|
|
#endif
|
|
displayed = (pscr == pSprite->hotPhys.pScreen);
|
|
( *pscr->RecolorCursor)(PickPointer(client), pscr, pCursor,
|
|
(pCursor == pSprite->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.
|
|
*/
|
|
void
|
|
WriteEventsToClient(ClientPtr pClient, int count, xEvent *events)
|
|
{
|
|
#ifdef PANORAMIX
|
|
xEvent eventCopy;
|
|
#endif
|
|
xEvent *eventTo, *eventFrom;
|
|
int i,
|
|
eventlength = sizeof(xEvent);
|
|
|
|
if (!XkbFilterEvents(pClient, count, events))
|
|
return;
|
|
|
|
#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
|
|
/* Just a safety check to make sure we only have one GenericEvent, it just
|
|
* makes things easier for me right now. (whot) */
|
|
for (i = 1; i < count; i++)
|
|
{
|
|
if (events[i].u.u.type == GenericEvent)
|
|
{
|
|
ErrorF("[dix] TryClientEvents: Only one GenericEvent at a time.\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (events->u.u.type == GenericEvent)
|
|
{
|
|
eventlength += ((xGenericEvent*)events)->length * 4;
|
|
}
|
|
|
|
if(pClient->swapped)
|
|
{
|
|
if (eventlength > swapEventLen)
|
|
{
|
|
swapEventLen = eventlength;
|
|
swapEvent = Xrealloc(swapEvent, swapEventLen);
|
|
if (!swapEvent)
|
|
{
|
|
FatalError("WriteEventsToClient: Out of memory.\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
for(i = 0; i < count; i++)
|
|
{
|
|
eventFrom = &events[i];
|
|
eventTo = swapEvent;
|
|
|
|
/* 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, eventlength, (char *)eventTo);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* only one GenericEvent, remember? that means either count is 1 and
|
|
* eventlength is arbitrary or eventlength is 32 and count doesn't
|
|
* matter. And we're all set. Woohoo. */
|
|
(void)WriteToClient(pClient, count * eventlength, (char *) events);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set the client pointer for the given client. Second parameter setter could
|
|
* be used in the future to determine access rights. Unused for now.
|
|
*
|
|
* A client can have exactly one ClientPointer. Each time a
|
|
* request/reply/event is processed and the choice of devices is ambiguous
|
|
* (e.g. QueryPointer request), the server will pick the ClientPointer (see
|
|
* PickPointer()).
|
|
* If a keyboard is needed, the first keyboard paired with the CP is used.
|
|
*/
|
|
Bool
|
|
SetClientPointer(ClientPtr client, ClientPtr setter, DeviceIntPtr device)
|
|
{
|
|
if (!device->isMaster)
|
|
{
|
|
ErrorF("[dix] Need master device for ClientPointer. This is a bug.\n");
|
|
return FALSE;
|
|
} else if (!device->spriteInfo->spriteOwner)
|
|
{
|
|
ErrorF("[dix] Device %d does not have a sprite. "
|
|
"Cannot be ClientPointer\n", device->id);
|
|
return FALSE;
|
|
}
|
|
client->clientPtr = device;
|
|
return TRUE;
|
|
}
|
|
|
|
/* PickPointer will pick an appropriate pointer for the given client.
|
|
*
|
|
* An "appropriate device" is (in order of priority):
|
|
* 1) A device the given client has a core grab on.
|
|
* 2) A device set as ClientPointer for the given client.
|
|
* 3) The first master device.
|
|
*/
|
|
DeviceIntPtr
|
|
PickPointer(ClientPtr client)
|
|
{
|
|
DeviceIntPtr it = inputInfo.devices;
|
|
|
|
/* First, check if the client currently has a grab on a device. Even
|
|
* keyboards count. */
|
|
for(it = inputInfo.devices; it; it = it->next)
|
|
{
|
|
GrabPtr grab = it->deviceGrab.grab;
|
|
if (grab && grab->coreGrab && SameClient(grab, client))
|
|
{
|
|
if (!IsPointerDevice(it))
|
|
it = GetPairedDevice(it);
|
|
return it; /* Always return a core grabbed device */
|
|
}
|
|
}
|
|
|
|
if (!client->clientPtr)
|
|
{
|
|
DeviceIntPtr it = inputInfo.devices;
|
|
while (it)
|
|
{
|
|
if (it->isMaster && it->spriteInfo->spriteOwner)
|
|
{
|
|
client->clientPtr = it;
|
|
break;
|
|
}
|
|
it = it->next;
|
|
}
|
|
}
|
|
return client->clientPtr;
|
|
}
|
|
|
|
/* PickKeyboard will pick an appropriate keyboard for the given client by
|
|
* searching the list of devices for the keyboard device that is paired with
|
|
* the client's pointer.
|
|
*/
|
|
DeviceIntPtr
|
|
PickKeyboard(ClientPtr client)
|
|
{
|
|
DeviceIntPtr ptr = PickPointer(client);
|
|
DeviceIntPtr kbd = ptr->spriteInfo->paired;
|
|
|
|
if (!kbd)
|
|
{
|
|
ErrorF("[dix] ClientPointer not paired with a keyboard. This "
|
|
"is a bug.\n");
|
|
}
|
|
|
|
return kbd;
|
|
}
|
|
|
|
/* A client that has one or more core grabs does not get core events from
|
|
* devices it does not have a grab on. Legacy applications behave bad
|
|
* otherwise because they are not used to it and the events interfere.
|
|
* Only applies for core events.
|
|
*
|
|
* Return true if a core event from the device would interfere and should not
|
|
* be delivered.
|
|
*/
|
|
Bool
|
|
IsInterferingGrab(ClientPtr client, DeviceIntPtr dev, xEvent* event)
|
|
{
|
|
DeviceIntPtr it = inputInfo.devices;
|
|
|
|
if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client))
|
|
return FALSE;
|
|
|
|
switch(event->u.u.type)
|
|
{
|
|
case KeyPress:
|
|
case KeyRelease:
|
|
case ButtonPress:
|
|
case ButtonRelease:
|
|
case MotionNotify:
|
|
case EnterNotify:
|
|
case LeaveNotify:
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
|
|
while(it)
|
|
{
|
|
if (it != dev)
|
|
{
|
|
if (it->deviceGrab.grab && SameClient(it->deviceGrab.grab, client)
|
|
&& !it->deviceGrab.fromPassiveGrab)
|
|
{
|
|
if ((IsPointerDevice(it) && IsPointerDevice(dev)) ||
|
|
(IsKeyboardDevice(it) && IsKeyboardDevice(dev)))
|
|
return TRUE;
|
|
}
|
|
}
|
|
it = it->next;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Set the filters for a extension.
|
|
* The filters array needs to contain the Masks that are applicable for each
|
|
* event type for the given extension.
|
|
* e.g. if generic event type 2 should be let through for windows with
|
|
* MyExampleMask set, make sure that filters[2] == MyExampleMask.
|
|
*/
|
|
void
|
|
SetGenericFilter(int extension, Mask* filters)
|
|
{
|
|
generic_filters[extension & 0x7f] = filters;
|
|
}
|
|
|
|
|
|
/**
|
|
* Grab a device for XI events and XGE events.
|
|
* grabmode is used to ungrab a device.
|
|
*/
|
|
int
|
|
ExtGrabDevice(ClientPtr client,
|
|
DeviceIntPtr dev,
|
|
int device_mode,
|
|
WindowPtr grabWindow,
|
|
WindowPtr confineTo,
|
|
TimeStamp ctime,
|
|
Bool ownerEvents,
|
|
CursorPtr cursor,
|
|
Mask xi_mask,
|
|
GenericMaskPtr ge_masks)
|
|
{
|
|
GrabInfoPtr grabinfo;
|
|
GrabRec newGrab;
|
|
|
|
UpdateCurrentTime();
|
|
|
|
grabinfo = &dev->deviceGrab;
|
|
|
|
if (grabinfo->grab && !SameClient(grabinfo->grab, client))
|
|
return AlreadyGrabbed;
|
|
|
|
if (!grabWindow->realized)
|
|
return GrabNotViewable;
|
|
|
|
if ((CompareTimeStamps(ctime, currentTime) == LATER) ||
|
|
(CompareTimeStamps(ctime, grabinfo->grabTime) == EARLIER))
|
|
return GrabInvalidTime;
|
|
|
|
if (grabinfo->sync.frozen && grabinfo->sync.other &&
|
|
!SameClient(grabinfo->sync.other, client))
|
|
return GrabFrozen;
|
|
|
|
memset(&newGrab, 0, sizeof(GrabRec));
|
|
newGrab.window = grabWindow;
|
|
newGrab.resource = client->clientAsMask;
|
|
newGrab.ownerEvents = ownerEvents;
|
|
newGrab.device = dev;
|
|
newGrab.cursor = cursor;
|
|
newGrab.confineTo = confineTo;
|
|
newGrab.eventMask = xi_mask;
|
|
newGrab.genericMasks = NULL;
|
|
newGrab.next = NULL;
|
|
|
|
if (ge_masks)
|
|
{
|
|
newGrab.genericMasks = xcalloc(1, sizeof(GenericMaskRec));
|
|
*newGrab.genericMasks = *ge_masks;
|
|
newGrab.genericMasks->next = NULL;
|
|
}
|
|
|
|
if (IsPointerDevice(dev))
|
|
{
|
|
newGrab.keyboardMode = GrabModeAsync;
|
|
newGrab.pointerMode = device_mode;
|
|
} else
|
|
{
|
|
newGrab.keyboardMode = device_mode;
|
|
newGrab.pointerMode = GrabModeAsync;
|
|
}
|
|
|
|
(*grabinfo->ActivateGrab)(dev, &newGrab, ctime, FALSE);
|
|
return GrabSuccess;
|
|
}
|
|
|