From e985f7111a46a2c9d7fb4985109a5c3b1bdc6a85 Mon Sep 17 00:00:00 2001 From: Ulrich Sibiller Date: Thu, 8 Aug 2019 20:48:44 +0200 Subject: Clipboard.c: rework debug prints add new debug output, extend existing, drop meaningless --- nx-X11/programs/Xserver/hw/nxagent/Clipboard.c | 224 ++++++++++++++++++------- 1 file changed, 167 insertions(+), 57 deletions(-) (limited to 'nx-X11') diff --git a/nx-X11/programs/Xserver/hw/nxagent/Clipboard.c b/nx-X11/programs/Xserver/hw/nxagent/Clipboard.c index 5d6c7cd7f..6ba41a313 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/Clipboard.c +++ b/nx-X11/programs/Xserver/hw/nxagent/Clipboard.c @@ -237,7 +237,10 @@ void nxagentPrintSelectionStat(int sel) CLINDEX(lOwner.client)); #endif fprintf(stderr, " lastSelectionOwner[].window [0x%x]\n", lOwner.window); - fprintf(stderr, " lastSelectionOwner[].windowPtr [%p]\n", (void *)lOwner.windowPtr); + if (lOwner.windowPtr) + fprintf(stderr, " lastSelectionOwner[].windowPtr [%p] ([0x%x]\n", (void *)lOwner.windowPtr, WINDOWID(lOwner.windowPtr)); + else + fprintf(stderr, " lastSelectionOwner[].windowPtr -\n"); fprintf(stderr, " lastSelectionOwner[].lastTimeChanged [%u]\n", lOwner.lastTimeChanged); /* @@ -304,7 +307,10 @@ void nxagentPrintClipboardStat(char *header) fprintf(stderr, " lastServerTime (Time) [%u]\n", lastServerTime); fprintf(stderr, "lastClient\n"); - fprintf(stderr, " lastClientWindowPtr (WindowPtr) [%p]\n", (void *)lastClientWindowPtr); + if (lastClientWindowPtr) + fprintf(stderr, " lastClientWindowPtr (WindowPtr) [%p] ([0x%x])\n", (void *)lastClientWindowPtr, WINDOWID(lastClientWindowPtr)); + else + fprintf(stderr, " lastClientWindowPtr (WindowPtr) -\n"); fprintf(stderr, " lastClientClientPtr (ClientPtr) [%p]\n", (void *)lastClientClientPtr); fprintf(stderr, " lastClientRequestor (Window) [0x%x]\n", lastClientRequestor); fprintf(stderr, " lastClientProperty (Atom) [% 4d][%s]\n", lastClientProperty, NameForAtom(lastClientProperty)); @@ -370,10 +376,6 @@ Status SendSelectionNotifyEventToServer(XSelectionEvent *event_to_send) event_to_send->send_event = True; event_to_send->display = nxagentDisplay; - #ifdef DEBUG - fprintf(stderr, "%s: Sending event to requestor [%p].\n", __func__, (void *)w); - #endif - Status result = XSendEvent(nxagentDisplay, w, False, 0L, (XEvent *)event_to_send); #ifdef DEBUG @@ -416,10 +418,6 @@ int SendSelectionNotifyEventToClient(ClientPtr client, Atom target, Atom property) { - #ifdef DEBUG - fprintf (stderr, "%s: Sending event to client [%d].\n", __func__, CLINDEX(client)); - #endif - xEvent x = {0}; x.u.u.type = SelectionNotify; x.u.selectionNotify.time = time; @@ -427,6 +425,16 @@ int SendSelectionNotifyEventToClient(ClientPtr client, x.u.selectionNotify.selection = selection; x.u.selectionNotify.target = target; x.u.selectionNotify.property = property; + + #ifdef DEBUG + if (property == None) + fprintf (stderr, "%s: Denying request to client [%d].\n", __func__, + CLINDEX(client)); + else + fprintf (stderr, "%s: Sending event to client [%d].\n", __func__, + CLINDEX(client)); + #endif + return SendEventToClient(client, &x); } @@ -629,7 +637,24 @@ void nxagentReplyRequestSelection(XEvent *X, Bool success) void nxagentRequestSelection(XEvent *X) { #ifdef DEBUG - fprintf(stderr, "%s: Got called.\n", __func__); + { + char *strTarget = XGetAtomName(nxagentDisplay, X->xselectionrequest.target); + char *strSelection = XGetAtomName(nxagentDisplay, X->xselectionrequest.selection); + char *strProperty = XGetAtomName(nxagentDisplay, X->xselectionrequest.property); + + fprintf(stderr, "%s: Received SelectionRequest from real server: selection [%ld][%s] " \ + "target [%ld][%s] requestor [%s/0x%lx] destination [%ld][%s] lastServerRequestor [0x%x]\n", + __func__, + X->xselectionrequest.selection, validateString(strSelection), + X->xselectionrequest.target, validateString(strTarget), + DisplayString(nxagentDisplay), X->xselectionrequest.requestor, + X->xselectionrequest.property, validateString(strProperty), + lastServerRequestor); + + SAFE_XFree(strTarget); + SAFE_XFree(strSelection); + SAFE_XFree(strProperty); + } #endif nxagentPrintClipboardStat("before nxagentRequestSelection"); @@ -665,14 +690,26 @@ FIXME: Do we need this? Atom targets[] = {XA_STRING}; int numTargets = 1; - XChangeProperty (nxagentDisplay, - X->xselectionrequest.requestor, - X->xselectionrequest.property, - XInternAtom(nxagentDisplay, "ATOM", 0), - sizeof(Atom)*8, - PropModeReplace, - (unsigned char*)&targets, - numTargets); + #ifdef DEBUG + fprintf(stderr, "%s: available targets:\n", __func__); + for (int i = 0; i < numTargets; i++) + fprintf(stderr, "%s: %s\n", __func__, NameForAtom(targets[i])); + fprintf(stderr, "\n"); + #endif + + /* + * pass on the requested list by setting the property provided + * by the requestor accordingly. + */ + XChangeProperty(nxagentDisplay, + X->xselectionrequest.requestor, + X->xselectionrequest.property, + XInternAtom(nxagentDisplay, "ATOM", 0), + sizeof(Atom)*8, + PropModeReplace, + (unsigned char*)&targets, + numTargets); + nxagentReplyRequestSelection(X, True); } else if (X->xselectionrequest.target == serverTIMESTAMP) @@ -759,7 +796,8 @@ FIXME: Do we need this? SendEventToClient(lastSelectionOwner[i].client, &x); #ifdef DEBUG - fprintf(stderr, "%s: sent SelectionRequest event to client [%d] property [%d][%s] target [%d][%s] requestor [0x%x].\n", __func__, + fprintf(stderr, "%s: sent SelectionRequest event to client [%d] property [%d][%s]" \ + "target [%d][%s] requestor [0x%x].\n", __func__, CLINDEX(lastSelectionOwner[i].client), x.u.selectionRequest.property, NameForAtom(x.u.selectionRequest.property), x.u.selectionRequest.target, NameForAtom(x.u.selectionRequest.target), @@ -792,6 +830,15 @@ static void endTransfer(Bool success) return; } + #ifdef DEBUG + if (success == SELECTION_SUCCESS) + fprintf(stderr, "%s: sending notification to client [%d], property [%d][%s]\n", __func__, + CLINDEX(lastClientClientPtr), lastClientProperty, NameForAtom(lastClientProperty)); + else + fprintf(stderr, "%s: sending negative notification to client [%d]\n", __func__, + CLINDEX(lastClientClientPtr)); + #endif + SendSelectionNotifyEventToClient(lastClientClientPtr, lastClientTime, lastClientRequestor, @@ -1073,17 +1120,23 @@ void nxagentCollectPropertyEvent(int resource) void nxagentNotifySelection(XEvent *X) { - #ifdef DEBUG - fprintf(stderr, "%s: Got called.\n", __func__); - #endif - if (agentClipboardStatus != 1) { return; } #ifdef DEBUG - fprintf(stderr, "%s: SelectionNotify event.\n", __func__); + { + XSelectionEvent * e = (XSelectionEvent *)X; + char * s = XGetAtomName(nxagentDisplay, e->property); + char * t = XGetAtomName(nxagentDisplay, e->target); + fprintf(stderr, "%s: SelectionNotify event from real X server, property "\ + "[%ld][%s] requestor [0x%lx] target [%ld][%s] time [%ld] send_event [%d].\n", + __func__, e->property, validateString(s), e->requestor, e->target, + validateString(t), e->time, e->send_event); + SAFE_XFree(s); + SAFE_XFree(t); + } #endif PrintClientSelectionStage(); @@ -1143,12 +1196,12 @@ void nxagentNotifySelection(XEvent *X) &ulReturnItems, &ulReturnBytesLeft, &pszReturnData); #ifdef DEBUG - fprintf(stderr, "%s: GetWindowProperty() returned [%s]\n", __func__, GetXErrorString(result)); + fprintf(stderr, "%s: GetWindowProperty() window [0x%x] property [%d] returned [%s]\n", __func__, + lastSelectionOwner[i].window, clientCutProperty, GetXErrorString(result)); #endif if (result == BadAlloc || result == BadAtom || result == BadWindow || result == BadValue) { - fprintf (stderr, "Client GetProperty failed. Error = %s", GetXErrorString(result)); lastServerProperty = None; } else @@ -1158,13 +1211,13 @@ void nxagentNotifySelection(XEvent *X) &resultFormat, &ulReturnItems, &ulReturnBytesLeft, &pszReturnData); #ifdef DEBUG - fprintf(stderr, "%s: GetWindowProperty() returned [%s]\n", __func__, GetXErrorString(result)); + fprintf(stderr, "%s: GetWindowProperty() window [0x%x] property [%d] returned [%s]\n", __func__, + lastSelectionOwner[i].window, clientCutProperty, GetXErrorString(result)); #endif if (result == BadAlloc || result == BadAtom || result == BadWindow || result == BadValue) { - fprintf (stderr, "SelectionNotify - XChangeProperty failed. Error = %s\n", GetXErrorString(result)); lastServerProperty = None; } else @@ -1177,15 +1230,26 @@ void nxagentNotifySelection(XEvent *X) PropModeReplace, pszReturnData, ulReturnItems); + + #ifdef DEBUG + { + char *s = XGetAtomName(nxagentDisplay, lastServerProperty); + fprintf(stderr, "%s: XChangeProperty sent to window [0x%x] for property [%d][%s] value [\"%*.*s\"...]\n", + __func__, + lastServerRequestor, + lastServerProperty, + s, + (int)(min(20, ulReturnItems * 8 / 8)), + (int)(min(20, ulReturnItems * 8 / 8)), + pszReturnData); + SAFE_XFree(s); + } + #endif } - #ifdef DEBUG - fprintf(stderr, "%s: XChangeProperty() returned [%s]\n", __func__, GetXErrorString(result)); - #endif /* * SAFE_XFree(pszReturnData); */ - } XSelectionEvent eventSelection = { @@ -1197,6 +1261,10 @@ void nxagentNotifySelection(XEvent *X) .time = lastServerTime, /* .time = CurrentTime */ }; + #ifdef DEBUG + fprintf(stderr, "%s: Sending SelectionNotify event to requestor [%p].\n", __func__, + (void *)eventSelection.requestor); + #endif SendSelectionNotifyEventToServer(&eventSelection); @@ -1215,7 +1283,11 @@ void nxagentResetSelectionOwner(void) { if (lastServerRequestor != None) { - #ifdef TEST + /* + * we are in the process of communicating back and forth between + * real X server and nxagent's clients - let's not disturb. + */ + #if defined(TEST) || defined(DEBUG) fprintf(stderr, "%s: WARNING! Requestor window [0x%x] already found.\n", __func__, lastServerRequestor); #endif @@ -1232,7 +1304,7 @@ void nxagentResetSelectionOwner(void) XSetSelectionOwner(nxagentDisplay, lastSelectionOwner[i].selection, serverWindow, CurrentTime); #ifdef DEBUG - fprintf(stderr, "%s: Reset clipboard state.\n", __func__); + fprintf(stderr, "%s: Reset selection state for selection [%d].\n", __func__, i); #endif nxagentClearSelectionOwner(&lastSelectionOwner[i]); @@ -1318,10 +1390,6 @@ void nxagentSetSelectionCallback(CallbackListPtr *callbacks, void *data, void nxagentSetSelectionOwner(Selection *pSelection) { - #ifdef DEBUG - fprintf(stderr, "%s: Got called.\n", __func__); - #endif - if (agentClipboardStatus != 1) { return; @@ -1332,10 +1400,14 @@ void nxagentSetSelectionOwner(Selection *pSelection) serverWindow); #endif - #ifdef TEST + #if defined(TEST) || defined(DEBUG) if (lastServerRequestor != None) { - fprintf (stderr, "%s: WARNING! Requestor window [0x%x] already found.\n", __func__, + /* + * we are in the process of communicating back and forth between + * real X server and nxagent's clients - let's not disturb + */ + fprintf (stderr, "%s: WARNING! Requestor window [0x%x] already set.\n", __func__, lastServerRequestor); } #endif @@ -1349,10 +1421,18 @@ void nxagentSetSelectionOwner(Selection *pSelection) if (pSelection->selection == CurrentSelections[i].selection) { #ifdef DEBUG - fprintf(stderr, "%s: lastSelectionOwner.client [0x%x] -> [0x%x]\n", __func__, lastSelectionOwner[i].client, pSelection->client); - fprintf(stderr, "%s: lastSelectionOwner.window [0x%x] -> [0x%x]\n", __func__, lastSelectionOwner[i].window, pSelection->window); - fprintf(stderr, "%s: lastSelectionOwner.windowPtr [0x%x] -> [0x%x] [0x%x] (serverWindow: [0x%x])\n", __func__, lastSelectionOwner[i].windowPtr, pSelection->pWin, nxagentWindow(pSelection->pWin), serverWindow); - fprintf(stderr, "%s: lastSelectionOwner.lastTimeChanged [%d]\n", __func__, lastSelectionOwner[i].lastTimeChanged); + fprintf(stderr, "%s: lastSelectionOwner.client [%p] index [%d] -> [%p] index [%d]\n", __func__, + (void *)lastSelectionOwner[i].client, + CLINDEX(lastSelectionOwner[i].client), + (void *)pSelection->client, + CLINDEX(pSelection->client)); + fprintf(stderr, "%s: lastSelectionOwner.window [0x%x] -> [0x%x]\n", __func__, + lastSelectionOwner[i].window, pSelection->window); + fprintf(stderr, "%s: lastSelectionOwner.windowPtr [%p] -> [%p] [0x%x] (serverWindow: [0x%x])\n", __func__, + (void *)lastSelectionOwner[i].windowPtr, (void *)pSelection->pWin, + nxagentWindow(pSelection->pWin), serverWindow); + fprintf(stderr, "%s: lastSelectionOwner.lastTimeChanged [%d]\n", __func__, + lastSelectionOwner[i].lastTimeChanged); #endif /* @@ -1471,17 +1551,21 @@ int nxagentConvertSelection(ClientPtr client, WindowPtr pWin, Atom selection, } } - #ifdef TEST - fprintf(stderr, "%s: client [%d] ask for sel [%s] " - "on window [%x] prop [%s] target [%s].\n", __func__, + #if defined(TEST) || defined(DEBUG) + fprintf(stderr, "%s: client [%d] requests sel [%s] " + "on window [%x] prop [%d][%s] target [%d][%s].\n", __func__, CLINDEX(client), validateString(NameForAtom(selection)), requestor, - validateString(NameForAtom(property)), validateString(NameForAtom(target))); + property, validateString(NameForAtom(property)), + target, validateString(NameForAtom(target))); #endif const char *strTarget = NameForAtom(target); if (strTarget == NULL) { + #ifdef DEBUG + fprintf(stderr, "%s: cannot find name for target Atom [%d] - returning\n", __func__, target); + #endif return 1; } @@ -1491,6 +1575,13 @@ int nxagentConvertSelection(ClientPtr client, WindowPtr pWin, Atom selection, Atom targets[] = {XA_STRING, clientUTF8_STRING, clientTEXT, clientCOMPOUND_TEXT}; int numTargets = 4; + #ifdef DEBUG + fprintf(stderr, "%s: available targets:\n", __func__); + for (int i = 0; i < numTargets; i++) + fprintf(stderr, "%s: %s\n", __func__, NameForAtom(targets[i])); + fprintf(stderr, "\n"); + #endif + ChangeWindowProperty(pWin, property, MakeAtom("ATOM", 4, 1), @@ -1574,11 +1665,20 @@ int nxagentConvertSelection(ClientPtr client, WindowPtr pWin, Atom selection, if (target == clientUTF8_STRING) { + #ifdef DEBUG + fprintf(stderr, "%s: Sending XConvertSelection with target [%d][UTF8_STRING], property [%d][NX_CUT_BUFFER_SERVER]\n", __func__, + serverUTF8_STRING, serverCutProperty); + #endif XConvertSelection(nxagentDisplay, selection, serverUTF8_STRING, serverCutProperty, serverWindow, CurrentTime); } else { + #ifdef DEBUG + fprintf(stderr, "%s: Sending XConvertSelection with target [%d][%s], property [%d][NX_CUT_BUFFER_SERVER]\n", __func__, + XA_STRING, validateString(NameForAtom(XA_STRING)), serverCutProperty); + #endif + XConvertSelection(nxagentDisplay, selection, XA_STRING, serverCutProperty, serverWindow, CurrentTime); } @@ -1592,11 +1692,7 @@ int nxagentConvertSelection(ClientPtr client, WindowPtr pWin, Atom selection, } else { - #ifdef DEBUG - fprintf(stderr, "%s: Xserver generates a SelectionNotify event " - "to the requestor with property None.\n", __func__); - #endif - + /* deny request */ SendSelectionNotifyEventToClient(client, time, requestor, selection, target, None); return 1; @@ -1619,7 +1715,11 @@ int nxagentSendNotify(xEvent *event) } #ifdef DEBUG - fprintf(stderr, "%s: property is [%d][%s].\n", __func__, event->u.selectionNotify.property, NameForAtom(event->u.selectionNotify.property)); + fprintf(stderr, "%s: property is [%d][%s].\n", __func__, + event->u.selectionNotify.property, + NameForAtom(event->u.selectionNotify.property)); + fprintf(stderr, "%s: requestor is [0x%x].\n", __func__, event->u.selectionNotify.requestor); + fprintf(stderr, "%s: lastServerRequestor is [0x%x].\n", __func__, lastServerRequestor); #endif if (event->u.selectionNotify.property == clientCutProperty) @@ -1659,7 +1759,15 @@ int nxagentSendNotify(xEvent *event) } #ifdef DEBUG - fprintf(stderr, "%s: Propagating clientCutProperty to requestor [%p].\n", __func__, (void *)eventSelection.requestor); + fprintf(stderr, "%s: mapping local to remote Atom: [%d] -> [%ld] [%s]\n", __func__, + event->u.selectionNotify.selection, eventSelection.selection, + NameForAtom(event->u.selectionNotify.selection)); + fprintf(stderr, "%s: mapping local to remote Atom: [%d] -> [%ld] [%s]\n", __func__, + event->u.selectionNotify.target, eventSelection.target, + NameForAtom(event->u.selectionNotify.target)); + fprintf(stderr, "%s: mapping local to remote Atom: [%d] -> [%ld] [%s]\n", __func__, + event->u.selectionNotify.property, eventSelection.property, + NameForAtom(event->u.selectionNotify.property)); #endif SendSelectionNotifyEventToServer(&eventSelection); @@ -1680,7 +1788,9 @@ WindowPtr nxagentGetClipboardWindow(Atom property) (lastSelectionOwner[i].windowPtr != NULL)) { #ifdef DEBUG - fprintf(stderr, "%s: Returning last clipboard owner window [%p] (0x%x).\n", __func__, (void *)lastSelectionOwner[i].windowPtr, WINDOWID(lastSelectionOwner[i].windowPtr)); + fprintf(stderr, "%s: Returning last [%d] selection owner window [%p] (0x%x).\n", __func__, + lastSelectionOwner[i].selection, + (void *)lastSelectionOwner[i].windowPtr, WINDOWID(lastSelectionOwner[i].windowPtr)); #endif return lastSelectionOwner[i].windowPtr; -- cgit v1.2.3