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Diffstat (limited to 'xorg-server/hw/xwin/winclipboardwrappers.c')
-rw-r--r--xorg-server/hw/xwin/winclipboardwrappers.c557
1 files changed, 265 insertions, 292 deletions
diff --git a/xorg-server/hw/xwin/winclipboardwrappers.c b/xorg-server/hw/xwin/winclipboardwrappers.c
index ec6e95a8a..53b419ea0 100644
--- a/xorg-server/hw/xwin/winclipboardwrappers.c
+++ b/xorg-server/hw/xwin/winclipboardwrappers.c
@@ -37,7 +37,6 @@
#include "dixstruct.h"
#include <X11/Xatom.h>
-
/*
* Constants
*/
@@ -46,38 +45,36 @@
#define CLIP_OWN_PRIMARY 0
#define CLIP_OWN_CLIPBOARD 1
-
/*
* Local function prototypes
*/
-int winProcEstablishConnection(ClientPtr /* client */);
-int winProcQueryTree(ClientPtr /* client */);
-int winProcSetSelectionOwner(ClientPtr /* client */);
+int winProcEstablishConnection(ClientPtr /* client */ );
+int winProcQueryTree(ClientPtr /* client */ );
+int winProcSetSelectionOwner(ClientPtr /* client */ );
+
DISPATCH_PROC(winProcEstablishConnection);
DISPATCH_PROC(winProcSetSelectionOwner);
-
/*
* References to external symbols
*/
-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;
-
+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;
/*
* Wrapper for internal EstablishConnection function.
@@ -86,109 +83,103 @@ extern winDispatchProcPtr winProcSetSelectionOwnerOrig;
*/
int
-winProcEstablishConnection (ClientPtr client)
+winProcEstablishConnection(ClientPtr client)
{
- int iReturn;
- static int s_iCallCount = 0;
- static unsigned long s_ulServerGeneration = 0;
-
- if (s_iCallCount == 0) ErrorF ("winProcEstablishConnection - Hello\n");
-
- /* Do nothing if clipboard is not enabled */
- if (!g_fClipboard)
- {
- ErrorF ("winProcEstablishConnection - Clipboard is not enabled, "
- "returning.\n");
-
- /* Unwrap the original function, call it, and return */
- InitialVector[2] = winProcEstablishConnectionOrig;
- iReturn = (*winProcEstablishConnectionOrig) (client);
- winProcEstablishConnectionOrig = NULL;
- return iReturn;
+ int iReturn;
+ static int s_iCallCount = 0;
+ static unsigned long s_ulServerGeneration = 0;
+
+ if (s_iCallCount == 0)
+ ErrorF("winProcEstablishConnection - Hello\n");
+
+ /* Do nothing if clipboard is not enabled */
+ if (!g_fClipboard) {
+ ErrorF("winProcEstablishConnection - Clipboard is not enabled, "
+ "returning.\n");
+
+ /* Unwrap the original function, call it, and return */
+ InitialVector[2] = winProcEstablishConnectionOrig;
+ iReturn = (*winProcEstablishConnectionOrig) (client);
+ winProcEstablishConnectionOrig = NULL;
+ return iReturn;
}
- /* Watch for server reset */
- if (s_ulServerGeneration != serverGeneration)
- {
- /* Save new generation number */
- s_ulServerGeneration = serverGeneration;
+ /* Watch for server reset */
+ if (s_ulServerGeneration != serverGeneration) {
+ /* Save new generation number */
+ s_ulServerGeneration = serverGeneration;
- /* Reset call count */
- s_iCallCount = 0;
+ /* Reset call count */
+ s_iCallCount = 0;
}
- /* Increment call count */
- ++s_iCallCount;
-
- /*
- * This procedure is only used for initialization.
- * We can unwrap the original procedure at this point
- * so that this function is no longer called until the
- * server resets and the function is wrapped again.
- */
- InitialVector[2] = winProcEstablishConnectionOrig;
-
- /*
- * Call original function and bail if it fails.
- * NOTE: We must do this first, since we need XdmcpOpenDisplay
- * to be called before we initialize our clipboard client.
- */
- iReturn = (*winProcEstablishConnectionOrig) (client);
- if (iReturn != 0)
- {
- ErrorF ("winProcEstablishConnection - ProcEstablishConnection "
- "failed, bailing.\n");
- return iReturn;
+ /* Increment call count */
+ ++s_iCallCount;
+
+ /*
+ * This procedure is only used for initialization.
+ * We can unwrap the original procedure at this point
+ * so that this function is no longer called until the
+ * server resets and the function is wrapped again.
+ */
+ InitialVector[2] = winProcEstablishConnectionOrig;
+
+ /*
+ * Call original function and bail if it fails.
+ * NOTE: We must do this first, since we need XdmcpOpenDisplay
+ * to be called before we initialize our clipboard client.
+ */
+ iReturn = (*winProcEstablishConnectionOrig) (client);
+ if (iReturn != 0) {
+ ErrorF("winProcEstablishConnection - ProcEstablishConnection "
+ "failed, bailing.\n");
+ return iReturn;
}
- /* Clear original function pointer */
- winProcEstablishConnectionOrig = NULL;
+ /* Clear original function pointer */
+ winProcEstablishConnectionOrig = NULL;
- /* If the clipboard client has already been started, abort */
- if (g_fClipboardLaunched)
- {
- ErrorF ("winProcEstablishConnection - Clipboard client already "
- "launched, returning.\n");
- return iReturn;
+ /* If the clipboard client has already been started, abort */
+ if (g_fClipboardLaunched) {
+ ErrorF("winProcEstablishConnection - Clipboard client already "
+ "launched, returning.\n");
+ return iReturn;
}
- /* Startup the clipboard client if clipboard mode is being used */
- if (g_fClipboard)
- {
- /*
- * NOTE: The clipboard client is started here for a reason:
- * 1) Assume you are using XDMCP (e.g. XWin -query %hostname%)
- * 2) If the clipboard client attaches during X Server startup,
- * then it becomes the "magic client" that causes the X Server
- * to reset if it exits.
- * 3) XDMCP calls KillAllClients when it starts up.
- * 4) The clipboard client is a client, so it is killed.
- * 5) The clipboard client is the "magic client", so the X Server
- * resets itself.
- * 6) This repeats ad infinitum.
- * 7) We avoid this by waiting until at least one client (could
- * be XDM, could be another client) connects, which makes it
- * almost certain that the clipboard client will not connect
- * until after XDM when using XDMCP.
- */
-
- /* Create the clipboard client thread */
- if (!winInitClipboard ())
- {
- ErrorF ("winProcEstablishConnection - winClipboardInit "
- "failed.\n");
- return iReturn;
- }
-
- ErrorF ("winProcEstablishConnection - winInitClipboard returned.\n");
+ /* Startup the clipboard client if clipboard mode is being used */
+ if (g_fClipboard) {
+ /*
+ * NOTE: The clipboard client is started here for a reason:
+ * 1) Assume you are using XDMCP (e.g. XWin -query %hostname%)
+ * 2) If the clipboard client attaches during X Server startup,
+ * then it becomes the "magic client" that causes the X Server
+ * to reset if it exits.
+ * 3) XDMCP calls KillAllClients when it starts up.
+ * 4) The clipboard client is a client, so it is killed.
+ * 5) The clipboard client is the "magic client", so the X Server
+ * resets itself.
+ * 6) This repeats ad infinitum.
+ * 7) We avoid this by waiting until at least one client (could
+ * be XDM, could be another client) connects, which makes it
+ * almost certain that the clipboard client will not connect
+ * until after XDM when using XDMCP.
+ */
+
+ /* Create the clipboard client thread */
+ if (!winInitClipboard()) {
+ ErrorF("winProcEstablishConnection - winClipboardInit "
+ "failed.\n");
+ return iReturn;
+ }
+
+ ErrorF("winProcEstablishConnection - winInitClipboard returned.\n");
}
-
- /* Flag that clipboard client has been launched */
- g_fClipboardLaunched = TRUE;
- return iReturn;
-}
+ /* Flag that clipboard client has been launched */
+ g_fClipboardLaunched = TRUE;
+ return iReturn;
+}
/*
* Wrapper for internal SetSelectionOwner function.
@@ -196,216 +187,198 @@ winProcEstablishConnection (ClientPtr client)
*/
int
-winProcSetSelectionOwner (ClientPtr client)
+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);
-
- winDebug("winProcSetSelectionOwner - Hello.\n");
-
- /* Watch for server reset */
- if (s_ulServerGeneration != serverGeneration)
- {
- /* Save new generation number */
- s_ulServerGeneration = serverGeneration;
-
- /* Initialize static variables */
- for (i = 0; i < CLIP_NUM_SELECTIONS; ++i)
- s_iOwners[i] = None;
+ 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);
+
+ winDebug("winProcSetSelectionOwner - Hello.\n");
+
+ /* Watch for server reset */
+ if (s_ulServerGeneration != serverGeneration) {
+ /* Save new generation number */
+ s_ulServerGeneration = serverGeneration;
+
+ /* Initialize static variables */
+ for (i = 0; i < CLIP_NUM_SELECTIONS; ++i)
+ s_iOwners[i] = None;
}
- /* Abort if clipboard not completely initialized yet */
- if (!g_fClipboardStarted)
- {
- /* ErrorF ("winProcSetSelectionOwner - Clipboard not yet started, "
- "aborting.\n"); */
- goto winProcSetSelectionOwner_Done;
+ /* Abort if clipboard not completely initialized yet */
+ if (!g_fClipboardStarted) {
+ /* ErrorF ("winProcSetSelectionOwner - Clipboard not yet started, "
+ "aborting.\n"); */
+ goto winProcSetSelectionOwner_Done;
}
-
- /* Grab window if we have one */
- if (None != stuff->window)
- {
- /* Grab the Window from the request */
- int rc = dixLookupWindow(&pWindow, stuff->window, client, DixReadAccess);
- if (rc != Success) {
- ErrorF ("winProcSetSelectionOwner - Found BadWindow, aborting.\n");
- goto winProcSetSelectionOwner_Done;
- }
+
+ /* Grab window if we have one */
+ if (None != stuff->window) {
+ /* Grab the Window from the request */
+ int rc =
+ dixLookupWindow(&pWindow, stuff->window, client, DixReadAccess);
+ if (rc != Success) {
+ ErrorF("winProcSetSelectionOwner - Found BadWindow, aborting.\n");
+ goto winProcSetSelectionOwner_Done;
+ }
}
- /* Now we either have a valid window or None */
-
- /* Save selection owners for monitored selections, ignore other selections */
- if (XA_PRIMARY == stuff->selection)
- {
- /* Look for owned -> not owned transition */
- if (None == stuff->window
- && None != s_iOwners[CLIP_OWN_PRIMARY])
- {
- fOwnedToNotOwned = TRUE;
-
- winDebug("winProcSetSelectionOwner - PRIMARY - Going from "
- "owned to not owned.\n");
-
- /* Adjust last owned selection */
- if (None != s_iOwners[CLIP_OWN_CLIPBOARD])
- g_atomLastOwnedSelection = MakeAtom ("CLIPBOARD", 9, TRUE);
- else
- g_atomLastOwnedSelection = None;
- }
-
- /* Save new selection owner or None */
- s_iOwners[CLIP_OWN_PRIMARY] = stuff->window;
-
- winDebug("winProcSetSelectionOwner - PRIMARY - Now owned by: %d\n",
- stuff->window);
+ /* Now we either have a valid window or None */
+
+ /* Save selection owners for monitored selections, ignore other selections */
+ if (XA_PRIMARY == stuff->selection) {
+ /* Look for owned -> not owned transition */
+ if (None == stuff->window && None != s_iOwners[CLIP_OWN_PRIMARY]) {
+ fOwnedToNotOwned = TRUE;
+
+ winDebug("winProcSetSelectionOwner - PRIMARY - Going from "
+ "owned to not owned.\n");
+
+ /* Adjust last owned selection */
+ if (None != s_iOwners[CLIP_OWN_CLIPBOARD])
+ g_atomLastOwnedSelection = MakeAtom("CLIPBOARD", 9, TRUE);
+ else
+ g_atomLastOwnedSelection = None;
+ }
+
+ /* Save new selection owner or None */
+ s_iOwners[CLIP_OWN_PRIMARY] = stuff->window;
+
+ winDebug("winProcSetSelectionOwner - PRIMARY - Now owned by: %d\n",
+ stuff->window);
}
- else if (MakeAtom ("CLIPBOARD", 9, TRUE) == stuff->selection)
- {
- /* Look for owned -> not owned transition */
- if (None == stuff->window
- && None != s_iOwners[CLIP_OWN_CLIPBOARD])
- {
- fOwnedToNotOwned = TRUE;
-
- winDebug("winProcSetSelectionOwner - CLIPBOARD - Going from "
- "owned to not owned.\n");
-
- /* Adjust last owned selection */
- if (None != s_iOwners[CLIP_OWN_PRIMARY])
- g_atomLastOwnedSelection = XA_PRIMARY;
- else
- g_atomLastOwnedSelection = None;
- }
-
- /* Save new selection owner or None */
- s_iOwners[CLIP_OWN_CLIPBOARD] = stuff->window;
-
- winDebug("winProcSetSelectionOwner - CLIPBOARD - Now owned by: %d\n",
- stuff->window);
+ else if (MakeAtom("CLIPBOARD", 9, TRUE) == stuff->selection) {
+ /* Look for owned -> not owned transition */
+ if (None == stuff->window && None != s_iOwners[CLIP_OWN_CLIPBOARD]) {
+ fOwnedToNotOwned = TRUE;
+
+ winDebug("winProcSetSelectionOwner - CLIPBOARD - Going from "
+ "owned to not owned.\n");
+
+ /* Adjust last owned selection */
+ if (None != s_iOwners[CLIP_OWN_PRIMARY])
+ g_atomLastOwnedSelection = XA_PRIMARY;
+ else
+ g_atomLastOwnedSelection = None;
+ }
+
+ /* Save new selection owner or None */
+ s_iOwners[CLIP_OWN_CLIPBOARD] = stuff->window;
+
+ winDebug("winProcSetSelectionOwner - CLIPBOARD - Now owned by: %d\n",
+ stuff->window);
}
- else
- goto winProcSetSelectionOwner_Done;
-
- /*
- * At this point, if one of the selections is still owned by the
- * clipboard manager then it should be marked as unowned since
- * we will be taking ownership of the Win32 clipboard.
- */
- 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;
-
- /*
- * Handle case when selection is being disowned,
- * WM_DRAWCLIPBOARD did not do the disowning,
- * both monitored selections are no longer owned,
- * an owned to not owned transition was detected,
- * and we currently own the Win32 clipboard.
- */
- if (stuff->window == None
- && s_iOwners[CLIP_OWN_PRIMARY] == None
- && s_iOwners[CLIP_OWN_CLIPBOARD] == None
- && fOwnedToNotOwned
- && g_hwndClipboard != NULL
- && g_hwndClipboard == GetClipboardOwner ())
- {
- winDebug("winProcSetSelectionOwner - We currently own the "
- "clipboard and neither the PRIMARY nor the CLIPBOARD "
- "selections are owned, releasing ownership of Win32 "
- "clipboard.\n");
-
- /* Release ownership of the Windows clipboard */
- OpenClipboard (NULL);
- EmptyClipboard ();
- CloseClipboard ();
-
- goto winProcSetSelectionOwner_Done;
+ else
+ goto winProcSetSelectionOwner_Done;
+
+ /*
+ * At this point, if one of the selections is still owned by the
+ * clipboard manager then it should be marked as unowned since
+ * we will be taking ownership of the Win32 clipboard.
+ */
+ 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;
+
+ /*
+ * Handle case when selection is being disowned,
+ * WM_DRAWCLIPBOARD did not do the disowning,
+ * both monitored selections are no longer owned,
+ * an owned to not owned transition was detected,
+ * and we currently own the Win32 clipboard.
+ */
+ if (stuff->window == None
+ && s_iOwners[CLIP_OWN_PRIMARY] == None
+ && s_iOwners[CLIP_OWN_CLIPBOARD] == None
+ && fOwnedToNotOwned
+ && g_hwndClipboard != NULL && g_hwndClipboard == GetClipboardOwner()) {
+ winDebug("winProcSetSelectionOwner - We currently own the "
+ "clipboard and neither the PRIMARY nor the CLIPBOARD "
+ "selections are owned, releasing ownership of Win32 "
+ "clipboard.\n");
+
+ /* Release ownership of the Windows clipboard */
+ OpenClipboard(NULL);
+ EmptyClipboard();
+ CloseClipboard();
+
+ goto winProcSetSelectionOwner_Done;
}
- /* Abort if no window at this point */
- if (None == stuff->window)
- {
- winDebug("winProcSetSelectionOwner - No window, returning.\n");
- goto winProcSetSelectionOwner_Done;
+ /* Abort if no window at this point */
+ if (None == stuff->window) {
+ winDebug("winProcSetSelectionOwner - No window, returning.\n");
+ goto winProcSetSelectionOwner_Done;
}
- /* Abort if invalid selection */
- if (!ValidAtom (stuff->selection))
- {
- ErrorF ("winProcSetSelectionOwner - Found BadAtom, aborting.\n");
- goto winProcSetSelectionOwner_Done;
+ /* Abort if invalid selection */
+ if (!ValidAtom(stuff->selection)) {
+ ErrorF("winProcSetSelectionOwner - Found BadAtom, aborting.\n");
+ goto winProcSetSelectionOwner_Done;
}
- /* Cast Window to Drawable */
- pDrawable = (DrawablePtr) pWindow;
-
- /* Abort if clipboard manager is owning the selection */
- if (pDrawable->id == g_iClipboardWindow)
- {
- winDebug("winProcSetSelectionOwner - We changed ownership, "
- "aborting.\n");
- goto winProcSetSelectionOwner_Done;
+ /* Cast Window to Drawable */
+ pDrawable = (DrawablePtr) pWindow;
+
+ /* Abort if clipboard manager is owning the selection */
+ if (pDrawable->id == g_iClipboardWindow) {
+ winDebug("winProcSetSelectionOwner - We changed ownership, "
+ "aborting.\n");
+ goto winProcSetSelectionOwner_Done;
}
- /* Abort if root window is taking ownership */
- if (pDrawable->id == 0)
- {
- ErrorF ("winProcSetSelectionOwner - Root window taking ownership, "
- "aborting\n");
- goto winProcSetSelectionOwner_Done;
+ /* Abort if root window is taking ownership */
+ if (pDrawable->id == 0) {
+ ErrorF("winProcSetSelectionOwner - Root window taking ownership, "
+ "aborting\n");
+ goto winProcSetSelectionOwner_Done;
}
- /* Close clipboard if we have it open already */
- if (GetOpenClipboardWindow () == g_hwndClipboard)
- {
- CloseClipboard ();
+ /* Close clipboard if we have it open already */
+ if (GetOpenClipboardWindow() == g_hwndClipboard) {
+ CloseClipboard();
}
- /* Access the Windows clipboard */
- if (!OpenClipboard (g_hwndClipboard))
- {
- ErrorF ("winProcSetSelectionOwner - OpenClipboard () failed: %08x\n",
- (int) GetLastError ());
- goto winProcSetSelectionOwner_Done;
+ /* Access the Windows clipboard */
+ if (!OpenClipboard(g_hwndClipboard)) {
+ ErrorF("winProcSetSelectionOwner - OpenClipboard () failed: %08x\n",
+ (int) GetLastError());
+ goto winProcSetSelectionOwner_Done;
}
- /* Take ownership of the Windows clipboard */
- if (!EmptyClipboard ())
- {
- ErrorF ("winProcSetSelectionOwner - EmptyClipboard () failed: %08x\n",
- (int) GetLastError ());
- goto winProcSetSelectionOwner_Done;
+ /* Take ownership of the Windows clipboard */
+ if (!EmptyClipboard()) {
+ ErrorF("winProcSetSelectionOwner - EmptyClipboard () failed: %08x\n",
+ (int) GetLastError());
+ goto winProcSetSelectionOwner_Done;
}
- /* Advertise Unicode if we support it */
- if (g_fUnicodeSupport)
- SetClipboardData (CF_UNICODETEXT, NULL);
+ /* Advertise Unicode if we support it */
+ if (g_fUnicodeSupport)
+ SetClipboardData(CF_UNICODETEXT, NULL);
- /* Always advertise regular text */
- SetClipboardData (CF_TEXT, NULL);
+ /* Always advertise regular text */
+ SetClipboardData(CF_TEXT, NULL);
- /* Save handle to last owned selection */
- g_atomLastOwnedSelection = stuff->selection;
+ /* Save handle to last owned selection */
+ g_atomLastOwnedSelection = stuff->selection;
- /* Release the clipboard */
- if (!CloseClipboard ())
- {
- ErrorF ("winProcSetSelectionOwner - CloseClipboard () failed: "
- "%08x\n",
- (int) GetLastError ());
- goto winProcSetSelectionOwner_Done;
+ /* Release the clipboard */
+ if (!CloseClipboard()) {
+ ErrorF("winProcSetSelectionOwner - CloseClipboard () failed: "
+ "%08x\n", (int) GetLastError());
+ goto winProcSetSelectionOwner_Done;
}
winProcSetSelectionOwner_Done:
- return (*winProcSetSelectionOwnerOrig) (client);
+ return (*winProcSetSelectionOwnerOrig) (client);
}