527cf13135
winOverrideIcon() is called from the internal WM client thread. Accessing server-internal data structures to get icon data or window hints is not safe, as there is no lock to ensure we do not collide with these data structures being updated in the server thread. Rewrite so the internal client thread uses X client calls to obtain this data safely We used to also set the icon inside the server when the window was initially created. For simplicity, we simply send a message to the internal WM to update the icon when the window is created (rather than writing different icon update code which can work in the server thread for that one case...) extwm mode used to do the icon update in the server. I'm not sure that actually made much sense. Let's assume the external WM client can do it instead... v2 Make sure that WM_WM_ICON_EVENT does nothing for override-redirect windows v3 Reinstate check that native window actually has expected properties for an X window before trying to update it's icon; some auxiliary windows owned by the XWin process don't, which would cause a crash v4 Various fixes to pixmap icon conversion: - remove left-over malloc in winScaleXimageToWindowsIcon causing a memory leak - don't recalculate DDBitmap stride in winScaleXimageToWindowsIcon, when we already have worked it out - properly check that XGetWindowProperty(NET_WM_ICON) returned some data - don't try to retrieve WM_HINTS icon_mask if it isn't set - restore accidentally dropped calculation of effBpp, stride, maskStride of output DDBitmap - make sure imageMask is zero-initalized before we use it to mask the DDBitmap v5 Remove a left-over unused variable v6 Avoid XDestroyImage(NULL) crash if XGetImage failed for icon_pixmap Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk> Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
615 lines
17 KiB
C
615 lines
17 KiB
C
/* WindowsWM extension is based on AppleWM extension */
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/**************************************************************************
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Copyright (c) 2002 Apple Computer, Inc. All Rights Reserved.
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Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sub license, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice (including the
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next paragraph) shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include "win.h"
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#include "misc.h"
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#include "dixstruct.h"
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#include "extnsionst.h"
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#include "colormapst.h"
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#include "cursorstr.h"
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#include "scrnintstr.h"
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#include "servermd.h"
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#include "swaprep.h"
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#define _WINDOWSWM_SERVER_
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#include <X11/extensions/windowswmstr.h>
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#include "protocol-versions.h"
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static int WMErrorBase;
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static unsigned char WMReqCode = 0;
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static int WMEventBase = 0;
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static RESTYPE ClientType, eventResourceType; /* resource types for event masks */
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static XID eventResource;
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/* Currently selected events */
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static unsigned int eventMask = 0;
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static int WMFreeClient(pointer data, XID id);
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static int WMFreeEvents(pointer data, XID id);
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static void SNotifyEvent(xWindowsWMNotifyEvent * from,
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xWindowsWMNotifyEvent * to);
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typedef struct _WMEvent *WMEventPtr;
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typedef struct _WMEvent {
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WMEventPtr next;
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ClientPtr client;
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XID clientResource;
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unsigned int mask;
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} WMEventRec;
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static inline BoxRec
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make_box(int x, int y, int w, int h)
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{
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BoxRec r;
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r.x1 = x;
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r.y1 = y;
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r.x2 = x + w;
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r.y2 = y + h;
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return r;
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}
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static int
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ProcWindowsWMQueryVersion(ClientPtr client)
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{
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xWindowsWMQueryVersionReply rep;
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int n;
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REQUEST_SIZE_MATCH(xWindowsWMQueryVersionReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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rep.majorVersion = SERVER_WINDOWSWM_MAJOR_VERSION;
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rep.minorVersion = SERVER_WINDOWSWM_MINOR_VERSION;
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rep.patchVersion = SERVER_WINDOWSWM_PATCH_VERSION;
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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swapl(&rep.length);
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}
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WriteToClient(client, sizeof(xWindowsWMQueryVersionReply), &rep);
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return Success;
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}
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/* events */
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static inline void
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updateEventMask(WMEventPtr * pHead)
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{
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WMEventPtr pCur;
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eventMask = 0;
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for (pCur = *pHead; pCur != NULL; pCur = pCur->next)
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eventMask |= pCur->mask;
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}
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/*ARGSUSED*/ static int
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WMFreeClient(pointer data, XID id)
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{
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WMEventPtr pEvent;
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WMEventPtr *pHead, pCur, pPrev;
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pEvent = (WMEventPtr) data;
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dixLookupResourceByType((pointer) &pHead, eventResource, eventResourceType,
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NullClient, DixUnknownAccess);
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if (pHead) {
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pPrev = 0;
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for (pCur = *pHead; pCur && pCur != pEvent; pCur = pCur->next)
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pPrev = pCur;
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if (pCur) {
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if (pPrev)
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pPrev->next = pEvent->next;
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else
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*pHead = pEvent->next;
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}
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updateEventMask(pHead);
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}
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free((pointer) pEvent);
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return 1;
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}
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/*ARGSUSED*/ static int
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WMFreeEvents(pointer data, XID id)
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{
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WMEventPtr *pHead, pCur, pNext;
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pHead = (WMEventPtr *) data;
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for (pCur = *pHead; pCur; pCur = pNext) {
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pNext = pCur->next;
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FreeResource(pCur->clientResource, ClientType);
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free((pointer) pCur);
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}
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free((pointer) pHead);
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eventMask = 0;
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return 1;
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}
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static int
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ProcWindowsWMSelectInput(ClientPtr client)
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{
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REQUEST(xWindowsWMSelectInputReq);
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WMEventPtr pEvent, pNewEvent, *pHead;
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XID clientResource;
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REQUEST_SIZE_MATCH(xWindowsWMSelectInputReq);
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dixLookupResourceByType((pointer) &pHead, eventResource, eventResourceType,
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client, DixWriteAccess);
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if (stuff->mask != 0) {
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if (pHead) {
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/* check for existing entry. */
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for (pEvent = *pHead; pEvent; pEvent = pEvent->next) {
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if (pEvent->client == client) {
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pEvent->mask = stuff->mask;
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updateEventMask(pHead);
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return Success;
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}
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}
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}
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/* build the entry */
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pNewEvent = (WMEventPtr) malloc(sizeof(WMEventRec));
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if (!pNewEvent)
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return BadAlloc;
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pNewEvent->next = 0;
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pNewEvent->client = client;
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pNewEvent->mask = stuff->mask;
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/*
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* add a resource that will be deleted when
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* the client goes away
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*/
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clientResource = FakeClientID(client->index);
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pNewEvent->clientResource = clientResource;
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if (!AddResource(clientResource, ClientType, (pointer) pNewEvent))
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return BadAlloc;
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/*
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* create a resource to contain a pointer to the list
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* of clients selecting input. This must be indirect as
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* the list may be arbitrarily rearranged which cannot be
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* done through the resource database.
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*/
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if (!pHead) {
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pHead = (WMEventPtr *) malloc(sizeof(WMEventPtr));
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if (!pHead ||
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!AddResource(eventResource, eventResourceType, (pointer) pHead))
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{
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FreeResource(clientResource, RT_NONE);
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return BadAlloc;
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}
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*pHead = 0;
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}
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pNewEvent->next = *pHead;
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*pHead = pNewEvent;
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updateEventMask(pHead);
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}
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else if (stuff->mask == 0) {
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/* delete the interest */
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if (pHead) {
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pNewEvent = 0;
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for (pEvent = *pHead; pEvent; pEvent = pEvent->next) {
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if (pEvent->client == client)
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break;
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pNewEvent = pEvent;
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}
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if (pEvent) {
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FreeResource(pEvent->clientResource, ClientType);
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if (pNewEvent)
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pNewEvent->next = pEvent->next;
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else
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*pHead = pEvent->next;
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free(pEvent);
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updateEventMask(pHead);
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}
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}
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}
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else {
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client->errorValue = stuff->mask;
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return BadValue;
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}
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return Success;
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}
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/*
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* deliver the event
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*/
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void
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winWindowsWMSendEvent(int type, unsigned int mask, int which, int arg,
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Window window, int x, int y, int w, int h)
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{
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WMEventPtr *pHead, pEvent;
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ClientPtr client;
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xWindowsWMNotifyEvent se;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("winWindowsWMSendEvent %d %d %d %d, %d %d - %d %d\n",
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type, mask, which, arg, x, y, w, h);
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#endif
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dixLookupResourceByType((pointer) &pHead, eventResource, eventResourceType,
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NullClient, DixUnknownAccess);
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if (!pHead)
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return;
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for (pEvent = *pHead; pEvent; pEvent = pEvent->next) {
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client = pEvent->client;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("winWindowsWMSendEvent - x%08x\n", (int) client);
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#endif
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if ((pEvent->mask & mask) == 0) {
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continue;
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}
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("winWindowsWMSendEvent - send\n");
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#endif
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se.type = type + WMEventBase;
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se.kind = which;
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se.window = window;
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se.arg = arg;
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se.x = x;
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se.y = y;
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se.w = w;
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se.h = h;
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se.time = currentTime.milliseconds;
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WriteEventsToClient(client, 1, (xEvent *) &se);
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}
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}
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/* general utility functions */
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static int
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ProcWindowsWMDisableUpdate(ClientPtr client)
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{
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REQUEST_SIZE_MATCH(xWindowsWMDisableUpdateReq);
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//winDisableUpdate();
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return Success;
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}
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static int
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ProcWindowsWMReenableUpdate(ClientPtr client)
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{
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REQUEST_SIZE_MATCH(xWindowsWMReenableUpdateReq);
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//winEnableUpdate();
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return Success;
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}
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/* window functions */
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static int
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ProcWindowsWMSetFrontProcess(ClientPtr client)
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{
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REQUEST_SIZE_MATCH(xWindowsWMSetFrontProcessReq);
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//QuartzMessageMainThread(kWindowsSetFrontProcess, NULL, 0);
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return Success;
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}
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/* frame functions */
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static int
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ProcWindowsWMFrameGetRect(ClientPtr client)
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{
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xWindowsWMFrameGetRectReply rep;
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BoxRec ir;
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RECT rcNew;
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REQUEST(xWindowsWMFrameGetRectReq);
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameGetRect %d %d\n",
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(sizeof(xWindowsWMFrameGetRectReq) >> 2), (int) client->req_len);
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#endif
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REQUEST_SIZE_MATCH(xWindowsWMFrameGetRectReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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ir = make_box(stuff->ix, stuff->iy, stuff->iw, stuff->ih);
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if (stuff->frame_rect != 0) {
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ErrorF("ProcWindowsWMFrameGetRect - stuff->frame_rect != 0\n");
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return BadValue;
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}
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/* Store the origin, height, and width in a rectangle structure */
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SetRect(&rcNew, stuff->ix, stuff->iy,
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stuff->ix + stuff->iw, stuff->iy + stuff->ih);
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameGetRect - %d %d %d %d\n",
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stuff->ix, stuff->iy, stuff->ix + stuff->iw, stuff->iy + stuff->ih);
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#endif
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/*
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* Calculate the required size of the Windows window rectangle,
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* given the size of the Windows window client area.
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*/
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AdjustWindowRectEx(&rcNew, stuff->frame_style, FALSE,
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stuff->frame_style_ex);
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rep.x = rcNew.left;
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rep.y = rcNew.top;
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rep.w = rcNew.right - rcNew.left;
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rep.h = rcNew.bottom - rcNew.top;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameGetRect - %d %d %d %d\n",
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rep.x, rep.y, rep.w, rep.h);
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#endif
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WriteToClient(client, sizeof(xWindowsWMFrameGetRectReply), &rep);
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return Success;
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}
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static int
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ProcWindowsWMFrameDraw(ClientPtr client)
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{
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REQUEST(xWindowsWMFrameDrawReq);
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WindowPtr pWin;
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win32RootlessWindowPtr pRLWinPriv;
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RECT rcNew;
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int nCmdShow, rc;
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RegionRec newShape;
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REQUEST_SIZE_MATCH(xWindowsWMFrameDrawReq);
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameDraw\n");
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#endif
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rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
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if (rc != Success)
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return rc;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameDraw - Window found\n");
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#endif
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pRLWinPriv = (win32RootlessWindowPtr) RootlessFrameForWindow(pWin, TRUE);
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if (pRLWinPriv == 0)
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return BadWindow;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameDraw - HWND 0x%08x 0x%08x 0x%08x\n",
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(int) pRLWinPriv->hWnd, (int) stuff->frame_style,
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(int) stuff->frame_style_ex);
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ErrorF("ProcWindowsWMFrameDraw - %d %d %d %d\n",
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stuff->ix, stuff->iy, stuff->iw, stuff->ih);
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#endif
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/* Store the origin, height, and width in a rectangle structure */
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SetRect(&rcNew, stuff->ix, stuff->iy,
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stuff->ix + stuff->iw, stuff->iy + stuff->ih);
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/*
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* Calculate the required size of the Windows window rectangle,
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* given the size of the Windows window client area.
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*/
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AdjustWindowRectEx(&rcNew, stuff->frame_style, FALSE,
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stuff->frame_style_ex);
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/* Set the window extended style flags */
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if (!SetWindowLongPtr(pRLWinPriv->hWnd, GWL_EXSTYLE, stuff->frame_style_ex)) {
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return BadValue;
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}
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/* Set the window standard style flags */
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if (!SetWindowLongPtr(pRLWinPriv->hWnd, GWL_STYLE, stuff->frame_style)) {
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return BadValue;
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}
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/* Flush the window style */
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if (!SetWindowPos(pRLWinPriv->hWnd, NULL,
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rcNew.left, rcNew.top,
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rcNew.right - rcNew.left, rcNew.bottom - rcNew.top,
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SWP_NOZORDER | SWP_FRAMECHANGED | SWP_NOACTIVATE)) {
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return BadValue;
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}
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if (!IsWindowVisible(pRLWinPriv->hWnd))
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nCmdShow = SW_HIDE;
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else
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nCmdShow = SW_SHOWNA;
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ShowWindow(pRLWinPriv->hWnd, nCmdShow);
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if (wBoundingShape(pWin) != NULL) {
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/* wBoundingShape is relative to *inner* origin of window.
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Translate by borderWidth to get the outside-relative position. */
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RegionNull(&newShape);
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RegionCopy(&newShape, wBoundingShape(pWin));
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RegionTranslate(&newShape, pWin->borderWidth, pWin->borderWidth);
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winMWExtWMReshapeFrame(pRLWinPriv, &newShape);
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RegionUninit(&newShape);
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}
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameDraw - done\n");
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#endif
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return Success;
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}
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static int
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ProcWindowsWMFrameSetTitle(ClientPtr client)
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{
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unsigned int title_length, title_max;
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char *title_bytes;
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REQUEST(xWindowsWMFrameSetTitleReq);
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WindowPtr pWin;
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win32RootlessWindowPtr pRLWinPriv;
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int rc;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameSetTitle\n");
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#endif
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REQUEST_AT_LEAST_SIZE(xWindowsWMFrameSetTitleReq);
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rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
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if (rc != Success)
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return rc;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameSetTitle - Window found\n");
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#endif
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title_length = stuff->title_length;
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title_max = (stuff->length << 2) - sizeof(xWindowsWMFrameSetTitleReq);
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if (title_max < title_length)
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return BadValue;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameSetTitle - length is valid\n");
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#endif
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title_bytes = malloc(title_length + 1);
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strncpy(title_bytes, (unsigned char *) &stuff[1], title_length);
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title_bytes[title_length] = '\0';
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pRLWinPriv = (win32RootlessWindowPtr) RootlessFrameForWindow(pWin, FALSE);
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if (pRLWinPriv == 0) {
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free(title_bytes);
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return BadWindow;
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}
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/* Flush the window style */
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SetWindowText(pRLWinPriv->hWnd, title_bytes);
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free(title_bytes);
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("ProcWindowsWMFrameSetTitle - done\n");
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#endif
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return Success;
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}
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/* dispatch */
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static int
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ProcWindowsWMDispatch(ClientPtr client)
|
|
{
|
|
REQUEST(xReq);
|
|
|
|
switch (stuff->data) {
|
|
case X_WindowsWMQueryVersion:
|
|
return ProcWindowsWMQueryVersion(client);
|
|
}
|
|
|
|
if (!LocalClient(client))
|
|
return WMErrorBase + WindowsWMClientNotLocal;
|
|
|
|
switch (stuff->data) {
|
|
case X_WindowsWMSelectInput:
|
|
return ProcWindowsWMSelectInput(client);
|
|
case X_WindowsWMDisableUpdate:
|
|
return ProcWindowsWMDisableUpdate(client);
|
|
case X_WindowsWMReenableUpdate:
|
|
return ProcWindowsWMReenableUpdate(client);
|
|
case X_WindowsWMSetFrontProcess:
|
|
return ProcWindowsWMSetFrontProcess(client);
|
|
case X_WindowsWMFrameGetRect:
|
|
return ProcWindowsWMFrameGetRect(client);
|
|
case X_WindowsWMFrameDraw:
|
|
return ProcWindowsWMFrameDraw(client);
|
|
case X_WindowsWMFrameSetTitle:
|
|
return ProcWindowsWMFrameSetTitle(client);
|
|
default:
|
|
return BadRequest;
|
|
}
|
|
}
|
|
|
|
static void
|
|
SNotifyEvent(xWindowsWMNotifyEvent * from, xWindowsWMNotifyEvent * to)
|
|
{
|
|
to->type = from->type;
|
|
to->kind = from->kind;
|
|
cpswaps(from->sequenceNumber, to->sequenceNumber);
|
|
cpswapl(from->window, to->window);
|
|
cpswapl(from->time, to->time);
|
|
cpswapl(from->arg, to->arg);
|
|
}
|
|
|
|
static int
|
|
SProcWindowsWMQueryVersion(ClientPtr client)
|
|
{
|
|
int n;
|
|
|
|
REQUEST(xWindowsWMQueryVersionReq);
|
|
swaps(&stuff->length);
|
|
return ProcWindowsWMQueryVersion(client);
|
|
}
|
|
|
|
static int
|
|
SProcWindowsWMDispatch(ClientPtr client)
|
|
{
|
|
REQUEST(xReq);
|
|
|
|
/* It is bound to be non-local when there is byte swapping */
|
|
if (!LocalClient(client))
|
|
return WMErrorBase + WindowsWMClientNotLocal;
|
|
|
|
/* only local clients are allowed WM access */
|
|
switch (stuff->data) {
|
|
case X_WindowsWMQueryVersion:
|
|
return SProcWindowsWMQueryVersion(client);
|
|
default:
|
|
return BadRequest;
|
|
}
|
|
}
|
|
|
|
void
|
|
winWindowsWMExtensionInit(void)
|
|
{
|
|
ExtensionEntry *extEntry;
|
|
|
|
ClientType = CreateNewResourceType(WMFreeClient, "WMClient");
|
|
eventResourceType = CreateNewResourceType(WMFreeEvents, "WMEvent");
|
|
eventResource = FakeClientID(0);
|
|
|
|
if (ClientType && eventResourceType &&
|
|
(extEntry = AddExtension(WINDOWSWMNAME,
|
|
WindowsWMNumberEvents,
|
|
WindowsWMNumberErrors,
|
|
ProcWindowsWMDispatch,
|
|
SProcWindowsWMDispatch,
|
|
NULL, StandardMinorOpcode))) {
|
|
size_t i;
|
|
|
|
WMReqCode = (unsigned char) extEntry->base;
|
|
WMErrorBase = extEntry->errorBase;
|
|
WMEventBase = extEntry->eventBase;
|
|
for (i = 0; i < WindowsWMNumberEvents; i++)
|
|
EventSwapVector[WMEventBase + i] = (EventSwapPtr) SNotifyEvent;
|
|
}
|
|
}
|