This is an automated email from the git hooks/post-receive script. x2go pushed a commit to branch 3.6.x in repository nx-libs. commit 7a2c743ac4d8578ddfc5baa5c6256060fe3c93c6 Author: Ulrich Sibiller <uli42@gmx.de> Date: Mon Dec 14 22:16:58 2020 +0100 Clipboard.c: move property transfer to separate function --- nx-X11/programs/Xserver/hw/nxagent/Clipboard.c | 230 +++++++++++++------------ 1 file changed, 118 insertions(+), 112 deletions(-) diff --git a/nx-X11/programs/Xserver/hw/nxagent/Clipboard.c b/nx-X11/programs/Xserver/hw/nxagent/Clipboard.c index f88d7588b..8a5e3606c 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/Clipboard.c +++ b/nx-X11/programs/Xserver/hw/nxagent/Clipboard.c @@ -331,6 +331,7 @@ static void replyPendingRequestSelectionToXServer(int index, Bool success); static void printSelectionStat(int sel); #endif static void replyRequestSelectionToXServer(XEvent *X, Bool success); +void handlePropertyTransferFromAgentToXserver(int index, XlibAtom property); void nxagentPrintClipboardStat(char *); @@ -1818,30 +1819,54 @@ void nxagentHandleSelectionNotifyFromXServer(XEvent *X) } else { - /* if the last owner was an internal one, read the - * clientCutProperty and push the contents to the - * lastServers[index].requestor on the real X server. - */ - if (IS_INTERNAL_OWNER(index) && - lastSelectionOwner[index].windowPtr != NULL && - X->xselection.property == serverTransFromAgentProperty) - { - Atom atomReturnType; - int resultFormat; - unsigned long ulReturnItems; - unsigned long ulReturnBytesLeft; - unsigned char *pszReturnData = NULL; + handlePropertyTransferFromAgentToXserver(index, X->xselection.property); + } +} - /* first get size values ... */ - int result = GetWindowProperty(lastSelectionOwner[index].windowPtr, clientCutProperty, 0, 0, False, - AnyPropertyType, &atomReturnType, &resultFormat, - &ulReturnItems, &ulReturnBytesLeft, &pszReturnData); +void handlePropertyTransferFromAgentToXserver(int index, XlibAtom property) +{ + /* if the last owner was an internal one, read the + * clientCutProperty and push the contents to the + * lastServers[index].requestor on the real X server. + */ + if (IS_INTERNAL_OWNER(index) && + lastSelectionOwner[index].windowPtr != NULL && + property == serverTransFromAgentProperty) + { + Atom atomReturnType; + int resultFormat; + unsigned long ulReturnItems; + unsigned long ulReturnBytesLeft; + unsigned char *pszReturnData = NULL; + /* first get size values ... */ + int result = GetWindowProperty(lastSelectionOwner[index].windowPtr, clientCutProperty, 0, 0, False, + AnyPropertyType, &atomReturnType, &resultFormat, + &ulReturnItems, &ulReturnBytesLeft, &pszReturnData); + + #ifdef DEBUG + fprintf(stderr, "%s: GetWindowProperty() window [0x%x] property [%d][%s] returned [%s]\n", __func__, + lastSelectionOwner[index].window, clientCutProperty, NameForIntAtom(clientCutProperty), + getXErrorString(result)); + #endif + if (result == BadAlloc || result == BadAtom || + result == BadWindow || result == BadValue) + { + lastServers[index].property = None; + } + else + { + /* ... then use the size values for the actual request */ + result = GetWindowProperty(lastSelectionOwner[index].windowPtr, clientCutProperty, 0, + ulReturnBytesLeft, False, AnyPropertyType, &atomReturnType, + &resultFormat, &ulReturnItems, &ulReturnBytesLeft, + &pszReturnData); #ifdef DEBUG fprintf(stderr, "%s: GetWindowProperty() window [0x%x] property [%d][%s] returned [%s]\n", __func__, lastSelectionOwner[index].window, clientCutProperty, NameForIntAtom(clientCutProperty), getXErrorString(result)); #endif + if (result == BadAlloc || result == BadAtom || result == BadWindow || result == BadValue) { @@ -1849,117 +1874,98 @@ void nxagentHandleSelectionNotifyFromXServer(XEvent *X) } else { - /* ... then use the size values for the actual request */ - result = GetWindowProperty(lastSelectionOwner[index].windowPtr, clientCutProperty, 0, - ulReturnBytesLeft, False, AnyPropertyType, &atomReturnType, - &resultFormat, &ulReturnItems, &ulReturnBytesLeft, - &pszReturnData); - #ifdef DEBUG - fprintf(stderr, "%s: GetWindowProperty() window [0x%x] property [%d][%s] returned [%s]\n", __func__, - lastSelectionOwner[index].window, clientCutProperty, NameForIntAtom(clientCutProperty), - getXErrorString(result)); - #endif - - if (result == BadAlloc || result == BadAtom || - result == BadWindow || result == BadValue) + if (lastServers[index].target == serverTARGETS) { - lastServers[index].property = None; - } - else - { - if (lastServers[index].target == serverTARGETS) + #ifdef DEBUG + fprintf(stderr, "%s: ulReturnItems [%ld]\n", __func__, ulReturnItems); + fprintf(stderr, "%s: resultformat [%d]\n", __func__, resultFormat); + #endif + + XlibAtom * targets = calloc(sizeof(XlibAtom), ulReturnItems); + if (targets == NULL) { - #ifdef DEBUG - fprintf(stderr, "%s: ulReturnItems [%ld]\n", __func__, ulReturnItems); - fprintf(stderr, "%s: resultformat [%d]\n", __func__, resultFormat); + #ifdef WARNING + fprintf(stderr, "%s: WARNING! Could not alloc memory for clipboard targets transmission.\n", __func__); #endif + /* this will effectively lead to the request being answered as failed */ + lastServers[index].property = None; + } + else + { + /* Convert the targets to remote atoms */ + XlibAtom *addr = targets; + unsigned int numTargets = ulReturnItems; - XlibAtom * targets = calloc(sizeof(XlibAtom), ulReturnItems); - if (targets == NULL) + for (int i = 0; i < numTargets; i++) { - #ifdef WARNING - fprintf(stderr, "%s: WARNING! Could not alloc memory for clipboard targets transmission.\n", __func__); + Atom local = *((Atom*)(pszReturnData + i*resultFormat/8)); + XlibAtom remote = nxagentLocalToRemoteAtom(local); + *(addr++) = remote; + + #ifdef DEBUG + fprintf(stderr, "%s: converting atom: local [%d][%s] -> remote [%ld][%s]\n", __func__, + local, NameForIntAtom(local), remote, NameForRemAtom(remote)); #endif - /* this will effectively lead to the request being answered as failed */ - lastServers[index].property = None; } - else - { - /* Convert the targets to remote atoms */ - XlibAtom *addr = targets; - unsigned int numTargets = ulReturnItems; - for (int i = 0; i < numTargets; i++) - { - Atom local = *((Atom*)(pszReturnData + i*resultFormat/8)); - XlibAtom remote = nxagentLocalToRemoteAtom(local); - *(addr++) = remote; - - #ifdef DEBUG - fprintf(stderr, "%s: converting atom: local [%d][%s] -> remote [%ld][%s]\n", __func__, - local, NameForIntAtom(local), remote, NameForRemAtom(remote)); - #endif - } - - /* FIXME: do we need to take care of swapping byte order here? */ - XChangeProperty(nxagentDisplay, - lastServers[index].requestor, - lastServers[index].property, - XInternAtom(nxagentDisplay, "ATOM", 0), - 32, - PropModeReplace, - (unsigned char*)targets, - numTargets); - - cacheTargetsForRem(index, targets, numTargets); - } - } - else - { - /* Fill the property on the initial requestor with the requested data */ - /* The XChangeProperty source code reveals it will always - return 1, no matter what, so no need to check the result */ - /* FIXME: better use the format returned by above request */ + /* FIXME: do we need to take care of swapping byte order here? */ XChangeProperty(nxagentDisplay, lastServers[index].requestor, lastServers[index].property, - lastServers[index].target, - 8, + XInternAtom(nxagentDisplay, "ATOM", 0), + 32, PropModeReplace, - pszReturnData, - ulReturnItems); - #ifdef DEBUG - { - fprintf(stderr, "%s: XChangeProperty sent to window [0x%lx] for property [%ld][%s] len [%d] value [\"%*.*s\"...]\n", - __func__, - lastServers[index].requestor, - lastServers[index].property, - NameForRemAtom(lastServers[index].property), - (int)ulReturnItems * 8 / 8, - (int)(min(20, ulReturnItems * 8 / 8)), - (int)(min(20, ulReturnItems * 8 / 8)), - pszReturnData); - } - #endif - } + (unsigned char*)targets, + numTargets); - /* FIXME: free it or not? */ - /* - * SAFE_XFree(pszReturnData); - */ + cacheTargetsForRem(index, targets, numTargets); + } + } + else + { + /* Fill the property on the requestor with the requested data */ + /* The XChangeProperty source code reveals it will always + return 1, no matter what, so no need to check the result */ + /* FIXME: better use the format returned by above request */ + XChangeProperty(nxagentDisplay, + lastServers[index].requestor, + lastServers[index].property, + lastServers[index].target, + 8, + PropModeReplace, + pszReturnData, + ulReturnItems); + #ifdef DEBUG + { + fprintf(stderr, "%s: XChangeProperty sent to window [0x%lx] for property [%ld][%s] len [%d] value [\"%*.*s\"...]\n", + __func__, + lastServers[index].requestor, + lastServers[index].property, + NameForRemAtom(lastServers[index].property), + (int)ulReturnItems * 8 / 8, + (int)(min(20, ulReturnItems * 8 / 8)), + (int)(min(20, ulReturnItems * 8 / 8)), + pszReturnData); + } + #endif } - } - /* - * inform the initial requestor that the requested data has - * arrived in the desired property. If we have been unable to - * get the data from the owner XChangeProperty will not have - * been called and lastServers[index].property will be None which - * effectively will send a "Request denied" to the initial - * requestor. - */ - replyPendingRequestSelectionToXServer(index, True); + /* FIXME: free it or not? */ + /* + * SAFE_XFree(pszReturnData); + */ + } } + + /* + * inform the initial requestor that the requested data has + * arrived in the desired property. If we have been unable to + * get the data from the owner XChangeProperty will not have + * been called and lastServers[index].property will be None which + * effectively will send a "Request denied" to the initial + * requestor. + */ + replyPendingRequestSelectionToXServer(index, True); } } -- Alioth's /home/x2go-admin/maintenancescripts/git/hooks/post-receive-email on /srv/git/code.x2go.org/nx-libs.git