xenocara/xserver/hw/xquartz/applewm.c

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/*
* Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
* Copyright (c) 2002-2012 Apple 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, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
* HOLDER(S) 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(s) of the above
* copyright holders shall not be used in advertising or otherwise to
* promote the sale, use or other dealings in this Software without
* prior written authorization.
*/
#include "sanitizedCarbon.h"
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
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#endif
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#include "quartzCommon.h"
#include "misc.h"
#include "dixstruct.h"
#include "globals.h"
#include "extnsionst.h"
#include "colormapst.h"
#include "cursorstr.h"
#include "scrnintstr.h"
#include "windowstr.h"
#include "servermd.h"
#include "swaprep.h"
#include "propertyst.h"
#include <X11/Xatom.h>
#include "darwin.h"
#define _APPLEWM_SERVER_
#include <X11/extensions/applewmproto.h>
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#include "applewmExt.h"
#include "X11Application.h"
#include "protocol-versions.h"
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#define DEFINE_ATOM_HELPER(func, atom_name) \
static Atom func(void) { \
static int generation; \
static Atom atom; \
if (generation != serverGeneration) { \
generation = serverGeneration; \
atom = MakeAtom(atom_name, strlen(atom_name), TRUE); \
} \
return atom; \
}
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DEFINE_ATOM_HELPER(xa_native_screen_origin, "_NATIVE_SCREEN_ORIGIN")
DEFINE_ATOM_HELPER(xa_apple_no_order_in, "_APPLE_NO_ORDER_IN")
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static AppleWMProcsPtr appleWMProcs;
static int WMErrorBase;
static unsigned char WMReqCode = 0;
static int WMEventBase = 0;
static RESTYPE ClientType, EventType; /* resource types for event masks */
static XID eventResource;
/* Currently selected events */
static unsigned int eventMask = 0;
static int
WMFreeClient(void *data, XID id);
static int
WMFreeEvents(void *data, XID id);
static void
SNotifyEvent(xAppleWMNotifyEvent *from, xAppleWMNotifyEvent *to);
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typedef struct _WMEvent *WMEventPtr;
typedef struct _WMEvent {
WMEventPtr next;
ClientPtr client;
XID clientResource;
unsigned int mask;
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} WMEventRec;
static inline BoxRec
make_box(int x, int y, int w, int h)
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{
BoxRec r;
r.x1 = x;
r.y1 = y;
r.x2 = x + w;
r.y2 = y + h;
return r;
}
/* Updates the _NATIVE_SCREEN_ORIGIN property on the given root window. */
void
AppleWMSetScreenOrigin(WindowPtr pWin)
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{
int32_t data[2];
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data[0] = pWin->drawable.pScreen->x + darwinMainScreenX;
data[1] = pWin->drawable.pScreen->y + darwinMainScreenY;
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dixChangeWindowProperty(serverClient, pWin, xa_native_screen_origin(),
XA_INTEGER, 32, PropModeReplace, 2, data, TRUE);
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}
/* Window managers can set the _APPLE_NO_ORDER_IN property on windows
that are being genie-restored from the Dock. We want them to
be mapped but remain ordered-out until the animation
completes (when the Dock will order them in). */
Bool
AppleWMDoReorderWindow(WindowPtr pWin)
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{
Atom atom;
PropertyPtr prop;
int rc;
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atom = xa_apple_no_order_in();
rc = dixLookupProperty(&prop, pWin, atom, serverClient, DixReadAccess);
if (Success == rc && prop->type == atom)
return 0;
return 1;
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}
static int
ProcAppleWMQueryVersion(register ClientPtr client)
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{
xAppleWMQueryVersionReply rep;
REQUEST_SIZE_MATCH(xAppleWMQueryVersionReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.majorVersion = SERVER_APPLEWM_MAJOR_VERSION;
rep.minorVersion = SERVER_APPLEWM_MINOR_VERSION;
rep.patchVersion = SERVER_APPLEWM_PATCH_VERSION;
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if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
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}
WriteToClient(client, sizeof(xAppleWMQueryVersionReply),&rep);
return Success;
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}
/* events */
static inline void
updateEventMask(WMEventPtr *pHead)
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{
WMEventPtr pCur;
eventMask = 0;
for (pCur = *pHead; pCur != NULL; pCur = pCur->next)
eventMask |= pCur->mask;
}
/*ARGSUSED*/
static int
WMFreeClient(void *data, XID id)
{
WMEventPtr pEvent;
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WMEventPtr *pHead, pCur, pPrev;
int i;
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pEvent = (WMEventPtr)data;
i = dixLookupResourceByType(
(void **)&pHead, eventResource, EventType, serverClient,
DixReadAccess |
DixWriteAccess | DixDestroyAccess);
if (i == Success && pHead) {
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pPrev = 0;
for (pCur = *pHead; pCur && pCur != pEvent; pCur = pCur->next)
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pPrev = pCur;
if (pCur) {
if (pPrev)
pPrev->next = pEvent->next;
else
*pHead = pEvent->next;
}
updateEventMask(pHead);
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}
free((void *)pEvent);
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return 1;
}
/*ARGSUSED*/
static int
WMFreeEvents(void *data, XID id)
{
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WMEventPtr *pHead, pCur, pNext;
pHead = (WMEventPtr *)data;
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for (pCur = *pHead; pCur; pCur = pNext) {
pNext = pCur->next;
FreeResource(pCur->clientResource, ClientType);
free((void *)pCur);
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}
free((void *)pHead);
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eventMask = 0;
return 1;
}
static int
ProcAppleWMSelectInput(register ClientPtr client)
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{
REQUEST(xAppleWMSelectInputReq);
WMEventPtr pEvent, pNewEvent, *pHead;
XID clientResource;
int i;
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REQUEST_SIZE_MATCH(xAppleWMSelectInputReq);
i =
dixLookupResourceByType((void **)&pHead, eventResource, EventType,
client,
DixWriteAccess);
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if (stuff->mask != 0) {
if (i == Success && pHead) {
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/* check for existing entry. */
for (pEvent = *pHead; pEvent; pEvent = pEvent->next) {
if (pEvent->client == client) {
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pEvent->mask = stuff->mask;
updateEventMask(pHead);
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return Success;
}
}
}
/* build the entry */
pNewEvent = (WMEventPtr)malloc(sizeof(WMEventRec));
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if (!pNewEvent)
return BadAlloc;
pNewEvent->next = 0;
pNewEvent->client = client;
pNewEvent->mask = stuff->mask;
/*
* add a resource that will be deleted when
* the client goes away
*/
clientResource = FakeClientID(client->index);
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pNewEvent->clientResource = clientResource;
if (!AddResource(clientResource, ClientType, (void *)pNewEvent))
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return BadAlloc;
/*
* create a resource to contain a pointer to the list
* of clients selecting input. This must be indirect as
* the list may be arbitrarily rearranged which cannot be
* done through the resource database.
*/
if (i != Success || !pHead) {
pHead = (WMEventPtr *)malloc(sizeof(WMEventPtr));
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if (!pHead ||
!AddResource(eventResource, EventType, (void *)pHead)) {
FreeResource(clientResource, RT_NONE);
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return BadAlloc;
}
*pHead = 0;
}
pNewEvent->next = *pHead;
*pHead = pNewEvent;
updateEventMask(pHead);
}
else if (stuff->mask == 0) {
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/* delete the interest */
if (i == Success && pHead) {
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pNewEvent = 0;
for (pEvent = *pHead; pEvent; pEvent = pEvent->next) {
if (pEvent->client == client)
break;
pNewEvent = pEvent;
}
if (pEvent) {
FreeResource(pEvent->clientResource, ClientType);
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if (pNewEvent)
pNewEvent->next = pEvent->next;
else
*pHead = pEvent->next;
free(pEvent);
updateEventMask(pHead);
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}
}
}
else {
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client->errorValue = stuff->mask;
return BadValue;
}
return Success;
}
/*
* deliver the event
*/
void
AppleWMSendEvent(int type, unsigned int mask, int which, int arg)
{
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WMEventPtr *pHead, pEvent;
xAppleWMNotifyEvent se;
int i;
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i =
dixLookupResourceByType((void **)&pHead, eventResource, EventType,
serverClient,
DixReadAccess);
if (i != Success || !pHead)
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return;
for (pEvent = *pHead; pEvent; pEvent = pEvent->next) {
if ((pEvent->mask & mask) == 0)
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continue;
se.type = type + WMEventBase;
se.kind = which;
se.arg = arg;
se.time = currentTime.milliseconds;
WriteEventsToClient(pEvent->client, 1, (xEvent *)&se);
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}
}
/* Safe to call from any thread. */
unsigned int
AppleWMSelectedEvents(void)
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{
return eventMask;
}
/* general utility functions */
static int
ProcAppleWMDisableUpdate(register ClientPtr client)
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{
REQUEST_SIZE_MATCH(xAppleWMDisableUpdateReq);
appleWMProcs->DisableUpdate();
return Success;
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}
static int
ProcAppleWMReenableUpdate(register ClientPtr client)
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{
REQUEST_SIZE_MATCH(xAppleWMReenableUpdateReq);
appleWMProcs->EnableUpdate();
return Success;
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}
/* window functions */
static int
ProcAppleWMSetWindowMenu(register ClientPtr client)
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{
const char *bytes, **items;
char *shortcuts;
int max_len, nitems, i, j;
REQUEST(xAppleWMSetWindowMenuReq);
REQUEST_AT_LEAST_SIZE(xAppleWMSetWindowMenuReq);
nitems = stuff->nitems;
items = malloc(sizeof(char *) * nitems);
shortcuts = malloc(sizeof(char) * nitems);
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if (!items || !shortcuts) {
free(items);
free(shortcuts);
return BadAlloc;
}
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max_len = (stuff->length << 2) - sizeof(xAppleWMSetWindowMenuReq);
bytes = (char *)&stuff[1];
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for (i = j = 0; i < max_len && j < nitems;) {
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shortcuts[j] = bytes[i++];
items[j++] = bytes + i;
while (i < max_len)
{
if (bytes[i++] == 0)
break;
}
}
/* Check if we bailed out of the above loop due to a request that was too long */
if (j < nitems) {
free(items);
free(shortcuts);
return BadRequest;
}
X11ApplicationSetWindowMenu(nitems, items, shortcuts);
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free(items);
free(shortcuts);
return Success;
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}
static int
ProcAppleWMSetWindowMenuCheck(register ClientPtr client)
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{
REQUEST(xAppleWMSetWindowMenuCheckReq);
REQUEST_SIZE_MATCH(xAppleWMSetWindowMenuCheckReq);
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X11ApplicationSetWindowMenuCheck(stuff->index);
return Success;
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}
static int
ProcAppleWMSetFrontProcess(register ClientPtr client)
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{
REQUEST_SIZE_MATCH(xAppleWMSetFrontProcessReq);
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X11ApplicationSetFrontProcess();
return Success;
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}
static int
ProcAppleWMSetWindowLevel(register ClientPtr client)
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{
REQUEST(xAppleWMSetWindowLevelReq);
WindowPtr pWin;
int err;
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REQUEST_SIZE_MATCH(xAppleWMSetWindowLevelReq);
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if (Success != dixLookupWindow(&pWin, stuff->window, client,
DixReadAccess))
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return BadValue;
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if (stuff->level >= AppleWMNumWindowLevels) {
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return BadValue;
}
err = appleWMProcs->SetWindowLevel(pWin, stuff->level);
if (err != Success) {
return err;
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}
return Success;
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}
static int
ProcAppleWMSendPSN(register ClientPtr client)
{
REQUEST(xAppleWMSendPSNReq);
int err;
REQUEST_SIZE_MATCH(xAppleWMSendPSNReq);
if (!appleWMProcs->SendPSN)
return BadRequest;
err = appleWMProcs->SendPSN(stuff->psn_hi, stuff->psn_lo);
if (err != Success) {
return err;
}
return Success;
}
static int
ProcAppleWMAttachTransient(register ClientPtr client)
{
WindowPtr pWinChild, pWinParent;
REQUEST(xAppleWMAttachTransientReq);
int err;
REQUEST_SIZE_MATCH(xAppleWMAttachTransientReq);
if (!appleWMProcs->AttachTransient)
return BadRequest;
if (Success !=
dixLookupWindow(&pWinChild, stuff->child, client, DixReadAccess))
return BadValue;
if (stuff->parent) {
if (Success !=
dixLookupWindow(&pWinParent, stuff->parent, client, DixReadAccess))
return BadValue;
}
else {
pWinParent = NULL;
}
err = appleWMProcs->AttachTransient(pWinChild, pWinParent);
if (err != Success) {
return err;
}
return Success;
}
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static int
ProcAppleWMSetCanQuit(register ClientPtr client)
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{
REQUEST(xAppleWMSetCanQuitReq);
REQUEST_SIZE_MATCH(xAppleWMSetCanQuitReq);
X11ApplicationSetCanQuit(stuff->state);
return Success;
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}
/* frame functions */
static int
ProcAppleWMFrameGetRect(register ClientPtr client)
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{
xAppleWMFrameGetRectReply rep;
BoxRec ir, or, rr;
REQUEST(xAppleWMFrameGetRectReq);
REQUEST_SIZE_MATCH(xAppleWMFrameGetRectReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
ir = make_box(stuff->ix, stuff->iy, stuff->iw, stuff->ih);
or = make_box(stuff->ox, stuff->oy, stuff->ow, stuff->oh);
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if (appleWMProcs->FrameGetRect(stuff->frame_rect,
stuff->frame_class,
&or, &ir, &rr) != Success) {
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return BadValue;
}
rep.x = rr.x1;
rep.y = rr.y1;
rep.w = rr.x2 - rr.x1;
rep.h = rr.y2 - rr.y1;
WriteToClient(client, sizeof(xAppleWMFrameGetRectReply),&rep);
return Success;
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}
static int
ProcAppleWMFrameHitTest(register ClientPtr client)
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{
xAppleWMFrameHitTestReply rep;
BoxRec ir, or;
int ret;
REQUEST(xAppleWMFrameHitTestReq);
REQUEST_SIZE_MATCH(xAppleWMFrameHitTestReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
ir = make_box(stuff->ix, stuff->iy, stuff->iw, stuff->ih);
or = make_box(stuff->ox, stuff->oy, stuff->ow, stuff->oh);
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if (appleWMProcs->FrameHitTest(stuff->frame_class, stuff->px,
stuff->py, &or, &ir, &ret) != Success) {
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return BadValue;
}
rep.ret = ret;
WriteToClient(client, sizeof(xAppleWMFrameHitTestReply),&rep);
return Success;
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}
static int
ProcAppleWMFrameDraw(register ClientPtr client)
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{
BoxRec ir, or;
unsigned int title_length, title_max;
unsigned char *title_bytes;
REQUEST(xAppleWMFrameDrawReq);
WindowPtr pWin;
REQUEST_AT_LEAST_SIZE(xAppleWMFrameDrawReq);
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if (Success != dixLookupWindow(&pWin, stuff->window, client,
DixReadAccess))
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return BadValue;
ir = make_box(stuff->ix, stuff->iy, stuff->iw, stuff->ih);
or = make_box(stuff->ox, stuff->oy, stuff->ow, stuff->oh);
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title_length = stuff->title_length;
title_max = (stuff->length << 2) - sizeof(xAppleWMFrameDrawReq);
if (title_max < title_length)
return BadValue;
title_bytes = (unsigned char *)&stuff[1];
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errno = appleWMProcs->FrameDraw(pWin, stuff->frame_class,
stuff->frame_attr, &or, &ir,
title_length, title_bytes);
if (errno != Success) {
return errno;
}
return Success;
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}
/* dispatch */
static int
ProcAppleWMDispatch(register ClientPtr client)
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{
REQUEST(xReq);
switch (stuff->data) {
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case X_AppleWMQueryVersion:
return ProcAppleWMQueryVersion(client);
}
if (!client->local)
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return WMErrorBase + AppleWMClientNotLocal;
switch (stuff->data) {
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case X_AppleWMSelectInput:
return ProcAppleWMSelectInput(client);
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case X_AppleWMDisableUpdate:
return ProcAppleWMDisableUpdate(client);
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case X_AppleWMReenableUpdate:
return ProcAppleWMReenableUpdate(client);
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case X_AppleWMSetWindowMenu:
return ProcAppleWMSetWindowMenu(client);
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case X_AppleWMSetWindowMenuCheck:
return ProcAppleWMSetWindowMenuCheck(client);
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case X_AppleWMSetFrontProcess:
return ProcAppleWMSetFrontProcess(client);
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case X_AppleWMSetWindowLevel:
return ProcAppleWMSetWindowLevel(client);
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case X_AppleWMSetCanQuit:
return ProcAppleWMSetCanQuit(client);
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case X_AppleWMFrameGetRect:
return ProcAppleWMFrameGetRect(client);
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case X_AppleWMFrameHitTest:
return ProcAppleWMFrameHitTest(client);
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case X_AppleWMFrameDraw:
return ProcAppleWMFrameDraw(client);
case X_AppleWMSendPSN:
return ProcAppleWMSendPSN(client);
case X_AppleWMAttachTransient:
return ProcAppleWMAttachTransient(client);
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default:
return BadRequest;
}
}
static void
SNotifyEvent(xAppleWMNotifyEvent *from, xAppleWMNotifyEvent *to)
{
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to->type = from->type;
to->kind = from->kind;
cpswaps(from->sequenceNumber, to->sequenceNumber);
cpswapl(from->time, to->time);
cpswapl(from->arg, to->arg);
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}
static int
SProcAppleWMQueryVersion(register ClientPtr client)
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{
REQUEST(xAppleWMQueryVersionReq);
swaps(&stuff->length);
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return ProcAppleWMQueryVersion(client);
}
static int
SProcAppleWMDispatch(register ClientPtr client)
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{
REQUEST(xReq);
/* It is bound to be non-local when there is byte swapping */
if (!client->local)
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return WMErrorBase + AppleWMClientNotLocal;
/* only local clients are allowed WM access */
switch (stuff->data) {
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case X_AppleWMQueryVersion:
return SProcAppleWMQueryVersion(client);
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default:
return BadRequest;
}
}
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void
AppleWMExtensionInit(AppleWMProcsPtr procsPtr)
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{
ExtensionEntry* extEntry;
ClientType = CreateNewResourceType(WMFreeClient, "WMClient");
EventType = CreateNewResourceType(WMFreeEvents, "WMEvent");
eventResource = FakeClientID(0);
if (ClientType && EventType &&
(extEntry = AddExtension(APPLEWMNAME,
AppleWMNumberEvents,
AppleWMNumberErrors,
ProcAppleWMDispatch,
SProcAppleWMDispatch,
NULL,
StandardMinorOpcode))) {
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size_t i;
WMReqCode = (unsigned char)extEntry->base;
WMErrorBase = extEntry->errorBase;
WMEventBase = extEntry->eventBase;
for (i = 0; i < AppleWMNumberEvents; i++)
EventSwapVector[WMEventBase + i] = (EventSwapPtr)SNotifyEvent;
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appleWMProcs = procsPtr;
}
}