winclipboardwrappers.c [plain text]
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include "dixstruct.h"
#include <X11/Xatom.h>
#define CLIP_NUM_SELECTIONS 2
#define CLIP_OWN_PRIMARY 0
#define CLIP_OWN_CLIPBOARD 1
DISPATCH_PROC(winProcEstablishConnection);
DISPATCH_PROC(winProcQueryTree);
DISPATCH_PROC(winProcSetSelectionOwner);
extern Bool g_fUnicodeSupport;
extern int g_iNumScreens;
extern unsigned int g_uiAuthDataLen;
extern char *g_pAuthData;
extern Bool g_fXdmcpEnabled;
extern Bool g_fClipboardLaunched;
extern Bool g_fClipboardStarted;
extern Bool g_fClipboard;
extern Window g_iClipboardWindow;
extern Atom g_atomLastOwnedSelection;
extern HWND g_hwndClipboard;
extern winDispatchProcPtr winProcEstablishConnectionOrig;
extern winDispatchProcPtr winProcQueryTreeOrig;
extern winDispatchProcPtr winProcSetSelectionOwnerOrig;
int
winProcQueryTree (ClientPtr client)
{
int iReturn;
ProcVector[X_QueryTree] = winProcQueryTreeOrig;
iReturn = (*winProcQueryTreeOrig) (client);
if (iReturn != 0)
{
ErrorF ("winProcQueryTree - ProcQueryTree failed, bailing.\n");
return iReturn;
}
winProcQueryTreeOrig = NULL;
if (!g_fClipboard)
{
ErrorF ("winProcQueryTree - Clipboard is not enabled, "
"returning.\n");
return iReturn;
}
if (g_fClipboardLaunched)
{
ErrorF ("winProcQueryTree - Clipboard client already "
"launched, returning.\n");
return iReturn;
}
if (g_fXdmcpEnabled && g_fClipboard)
{
if (!winInitClipboard ())
{
ErrorF ("winProcQueryTree - winClipboardInit "
"failed.\n");
return iReturn;
}
ErrorF ("winProcQueryTree - winInitClipboard returned.\n");
}
g_fClipboardLaunched = TRUE;
return iReturn;
}
int
winProcEstablishConnection (ClientPtr client)
{
int iReturn;
static int s_iCallCount = 0;
static unsigned long s_ulServerGeneration = 0;
ErrorF ("winProcEstablishConnection - Hello\n");
if (!g_fClipboard)
{
ErrorF ("winProcEstablishConnection - Clipboard is not enabled, "
"returning.\n");
InitialVector[2] = winProcEstablishConnectionOrig;
iReturn = (*winProcEstablishConnectionOrig) (client);
winProcEstablishConnectionOrig = NULL;
return iReturn;
}
if (s_ulServerGeneration != serverGeneration)
{
s_ulServerGeneration = serverGeneration;
s_iCallCount = 0;
}
++s_iCallCount;
if (g_fXdmcpEnabled
&& !g_fClipboardLaunched
&& s_iCallCount < 4)
{
ErrorF ("winProcEstablishConnection - Xdmcp enabled, waiting to "
"start clipboard client until fourth call.\n");
return (*winProcEstablishConnectionOrig) (client);
}
InitialVector[2] = winProcEstablishConnectionOrig;
iReturn = (*winProcEstablishConnectionOrig) (client);
if (iReturn != 0)
{
ErrorF ("winProcEstablishConnection - ProcEstablishConnection "
"failed, bailing.\n");
return iReturn;
}
winProcEstablishConnectionOrig = NULL;
if (g_fClipboardLaunched)
{
ErrorF ("winProcEstablishConnection - Clipboard client already "
"launched, returning.\n");
return iReturn;
}
if (g_fClipboard)
{
if (!winInitClipboard ())
{
ErrorF ("winProcEstablishConnection - winClipboardInit "
"failed.\n");
return iReturn;
}
ErrorF ("winProcEstablishConnection - winInitClipboard returned.\n");
}
g_fClipboardLaunched = TRUE;
return iReturn;
}
int
winProcSetSelectionOwner (ClientPtr client)
{
int i;
DrawablePtr pDrawable;
WindowPtr pWindow = None;
Bool fOwnedToNotOwned = FALSE;
static Window s_iOwners[CLIP_NUM_SELECTIONS] = {None};
static unsigned long s_ulServerGeneration = 0;
REQUEST(xSetSelectionOwnerReq);
REQUEST_SIZE_MATCH(xSetSelectionOwnerReq);
#if 0
ErrorF ("winProcSetSelectionOwner - Hello.\n");
#endif
if (s_ulServerGeneration != serverGeneration)
{
s_ulServerGeneration = serverGeneration;
for (i = 0; i < CLIP_NUM_SELECTIONS; ++i)
s_iOwners[i] = None;
}
if (!g_fClipboardStarted)
{
ErrorF ("winProcSetSelectionOwner - Clipboard not yet started, "
"aborting.\n");
goto winProcSetSelectionOwner_Done;
}
if (None != stuff->window)
{
pWindow = (WindowPtr) SecurityLookupWindow (stuff->window, client,
SecurityReadAccess);
if (!pWindow)
{
ErrorF ("winProcSetSelectionOwner - Found BadWindow, aborting.\n");
goto winProcSetSelectionOwner_Done;
}
}
if (XA_PRIMARY == stuff->selection)
{
if (None == stuff->window
&& None != s_iOwners[CLIP_OWN_PRIMARY])
{
fOwnedToNotOwned = TRUE;
#if 0
ErrorF ("winProcSetSelectionOwner - PRIMARY - Going from "
"owned to not owned.\n");
#endif
if (None != s_iOwners[CLIP_OWN_CLIPBOARD])
g_atomLastOwnedSelection = MakeAtom ("CLIPBOARD", 9, TRUE);
else
g_atomLastOwnedSelection = None;
}
s_iOwners[CLIP_OWN_PRIMARY] = stuff->window;
#if 0
ErrorF ("winProcSetSelectionOwner - PRIMARY - Now owned by: %d\n",
stuff->window);
#endif
}
else if (MakeAtom ("CLIPBOARD", 9, TRUE) == stuff->selection)
{
if (None == stuff->window
&& None != s_iOwners[CLIP_OWN_CLIPBOARD])
{
fOwnedToNotOwned = TRUE;
#if 0
ErrorF ("winProcSetSelectionOwner - CLIPBOARD - Going from "
"owned to not owned.\n");
#endif
if (None != s_iOwners[CLIP_OWN_PRIMARY])
g_atomLastOwnedSelection = XA_PRIMARY;
else
g_atomLastOwnedSelection = None;
}
s_iOwners[CLIP_OWN_CLIPBOARD] = stuff->window;
#if 0
ErrorF ("winProcSetSelectionOwner - CLIPBOARD - Now owned by: %d\n",
stuff->window);
#endif
}
else
goto winProcSetSelectionOwner_Done;
if (g_iClipboardWindow == s_iOwners[CLIP_OWN_PRIMARY])
s_iOwners[CLIP_OWN_PRIMARY] = None;
if (g_iClipboardWindow == s_iOwners[CLIP_OWN_CLIPBOARD])
s_iOwners[CLIP_OWN_CLIPBOARD] = None;
if (None == stuff->window
&& g_iClipboardWindow != client->lastDrawableID
&& (None == s_iOwners[CLIP_OWN_PRIMARY]
|| g_iClipboardWindow == s_iOwners[CLIP_OWN_PRIMARY])
&& (None == s_iOwners[CLIP_OWN_CLIPBOARD]
|| g_iClipboardWindow == s_iOwners[CLIP_OWN_CLIPBOARD])
&& fOwnedToNotOwned
&& g_hwndClipboard != NULL
&& g_hwndClipboard == GetClipboardOwner ())
{
#if 0
ErrorF ("winProcSetSelectionOwner - We currently own the "
"clipboard and neither the PRIMARY nor the CLIPBOARD "
"selections are owned, releasing ownership of Win32 "
"clipboard.\n");
#endif
OpenClipboard (NULL);
EmptyClipboard ();
CloseClipboard ();
s_iOwners[CLIP_OWN_PRIMARY] = None;
s_iOwners[CLIP_OWN_CLIPBOARD] = None;
goto winProcSetSelectionOwner_Done;
}
if (None == stuff->window)
{
#if 0
ErrorF ("winProcSetSelectionOwner - No window, returning.\n");
#endif
goto winProcSetSelectionOwner_Done;
}
if (!ValidAtom (stuff->selection))
{
ErrorF ("winProcSetSelectionOwner - Found BadAtom, aborting.\n");
goto winProcSetSelectionOwner_Done;
}
pDrawable = (DrawablePtr) pWindow;
if (pDrawable->id == g_iClipboardWindow)
{
#if 0
ErrorF ("winProcSetSelectionOwner - We changed ownership, "
"aborting.\n");
#endif
goto winProcSetSelectionOwner_Done;
}
if (pDrawable->id == 0)
{
ErrorF ("winProcSetSelectionOwner - Root window taking ownership, "
"aborting\n");
goto winProcSetSelectionOwner_Done;
}
if (GetOpenClipboardWindow () == g_hwndClipboard)
{
CloseClipboard ();
}
if (!OpenClipboard (g_hwndClipboard))
{
ErrorF ("winProcSetSelectionOwner - OpenClipboard () failed: %08x\n",
(int) GetLastError ());
goto winProcSetSelectionOwner_Done;
}
if (!EmptyClipboard ())
{
ErrorF ("winProcSetSelectionOwner - EmptyClipboard () failed: %08x\n",
(int) GetLastError ());
goto winProcSetSelectionOwner_Done;
}
if (g_fUnicodeSupport)
SetClipboardData (CF_UNICODETEXT, NULL);
SetClipboardData (CF_TEXT, NULL);
g_atomLastOwnedSelection = stuff->selection;
if (!CloseClipboard ())
{
ErrorF ("winProcSetSelectionOwner - CloseClipboard () failed: "
"%08x\n",
(int) GetLastError ());
goto winProcSetSelectionOwner_Done;
}
winProcSetSelectionOwner_Done:
return (*winProcSetSelectionOwnerOrig) (client);
}