static int
InitCmds(Tcl_Interp *interp, int safe)
{
CmdInfo *cmdInfoPtr;
Tcl_CmdInfo info;
for (cmdInfoPtr = tnmCmds; cmdInfoPtr->name != NULL; cmdInfoPtr++) {
/*
* Due to some Tcl limitations, we need to remove the Tnm
* namespace qualifier if we register the commands in a
* safe Tcl interpreter (since we can only hide commands
* in the global namespace). This is truely ugly - but Tcl
* forces me to do this.
*/
char *cmdName = cmdInfoPtr->name;
if (safe && ! cmdInfoPtr->isSafe) {
char *newName = strstr(cmdName, "::");
while (newName) {
cmdName = newName + 2;
newName = strstr(cmdName, "::");
}
}
/*
* Check if the command already exists and return an error
* to ensure we detect name clashes while loading the Tnm
* extension.
*/
if (Tcl_GetCommandInfo(interp, cmdName, &info)) {
Tcl_AppendResult(interp, "command \"", cmdName,
"\" already exists", (char *) NULL);
return TCL_ERROR;
}
if (cmdInfoPtr->objProc) {
Tcl_CreateObjCommand(interp, cmdName, cmdInfoPtr->objProc,
(ClientData) NULL, (Tcl_CmdDeleteProc *) NULL);
}
/*
* Hide all unsafe commands from the interpreter
* if it is a safe Tcl interpreter.
*/
if (safe && ! cmdInfoPtr->isSafe) {
if (Tcl_HideCommand(interp, cmdName, cmdName) != TCL_OK) {
return TCL_ERROR;
}
}
}
return TCL_OK;
}
char *
Tk_SetAppName(
Tk_Window tkwin, /* Token for any window in the application
* to be named: it is just used to identify
* the application and the display. */
char *name) /* The name that will be used to
* refer to the interpreter in later
* "send" commands. Must be globally
* unique. */
{
TkWindow *winPtr = (TkWindow *) tkwin;
Tcl_Interp *interp = winPtr->mainPtr->interp;
int i, suffix, offset, result;
int createCommand = 0;
RegisteredInterp *riPtr, *prevPtr;
char *actualName;
Tcl_DString dString;
Tcl_Obj *resultObjPtr, *interpNamePtr;
char *interpName;
if (!initialized) {
SendInit(interp);
}
/*
* See if the application is already registered; if so, remove its
* current name from the registry. The deletion of the command
* will take care of disposing of this entry.
*/
for (riPtr = interpListPtr, prevPtr = NULL; riPtr != NULL;
prevPtr = riPtr, riPtr = riPtr->nextPtr) {
if (riPtr->interp == interp) {
if (prevPtr == NULL) {
interpListPtr = interpListPtr->nextPtr;
} else {
prevPtr->nextPtr = riPtr->nextPtr;
}
break;
}
}
/*
* Pick a name to use for the application. Use "name" if it's not
* already in use. Otherwise add a suffix such as " #2", trying
* larger and larger numbers until we eventually find one that is
* unique.
*/
actualName = name;
suffix = 1;
offset = 0;
Tcl_DStringInit(&dString);
TkGetInterpNames(interp, tkwin);
resultObjPtr = Tcl_GetObjResult(interp);
Tcl_IncrRefCount(resultObjPtr);
for (i = 0; ; ) {
result = Tcl_ListObjIndex(NULL, resultObjPtr, i, &interpNamePtr);
if (interpNamePtr == NULL) {
break;
}
interpName = Tcl_GetStringFromObj(interpNamePtr, NULL);
if (strcmp(actualName, interpName) == 0) {
if (suffix == 1) {
Tcl_DStringAppend(&dString, name, -1);
Tcl_DStringAppend(&dString, " #", 2);
offset = Tcl_DStringLength(&dString);
Tcl_DStringSetLength(&dString, offset + 10);
actualName = Tcl_DStringValue(&dString);
}
suffix++;
sprintf(actualName + offset, "%d", suffix);
i = 0;
} else {
i++;
}
}
Tcl_DecrRefCount(resultObjPtr);
Tcl_ResetResult(interp);
/*
* We have found a unique name. Now add it to the registry.
*/
riPtr = (RegisteredInterp *) ckalloc(sizeof(RegisteredInterp));
riPtr->interp = interp;
riPtr->name = ckalloc(strlen(actualName) + 1);
riPtr->nextPtr = interpListPtr;
interpListPtr = riPtr;
strcpy(riPtr->name, actualName);
Tcl_CreateObjCommand(interp, "send", Tk_SendObjCmd,
(ClientData) riPtr, NULL /* TODO: DeleteProc */);
if (Tcl_IsSafe(interp)) {
Tcl_HideCommand(interp, "send", "send");
}
Tcl_DStringFree(&dString);
return riPtr->name;
}
const char *
Tk_SetAppName(
Tk_Window tkwin, /* Token for any window in the application to
* be named: it is just used to identify the
* application and the display. */
const char *name) /* The name that will be used to refer to the
* interpreter in later "send" commands. Must
* be globally unique. */
{
#ifndef TK_SEND_ENABLED_ON_WINDOWS
/*
* Temporarily disabled for bug #858822
*/
return name;
#else /* TK_SEND_ENABLED_ON_WINDOWS */
ThreadSpecificData *tsdPtr = NULL;
TkWindow *winPtr = (TkWindow *) tkwin;
RegisteredInterp *riPtr = NULL;
Tcl_Interp *interp;
HRESULT hr = S_OK;
interp = winPtr->mainPtr->interp;
tsdPtr = Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
/*
* Initialise the COM library for this interpreter just once.
*/
if (tsdPtr->initialized == 0) {
hr = CoInitialize(0);
if (FAILED(hr)) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"failed to initialize the COM library", -1));
Tcl_SetErrorCode(interp, "TK", "SEND", "COM", NULL);
return "";
}
tsdPtr->initialized = 1;
TRACE("Initialized COM library for interp 0x%08X\n", (long)interp);
}
/*
* If the interp hasn't been registered before then we need to create the
* registration structure and the COM object. If it has been registered
* already then we can reuse all and just register the new name.
*/
riPtr = Tcl_GetAssocData(interp, "tkWinSend::ri", NULL);
if (riPtr == NULL) {
LPUNKNOWN *objPtr;
riPtr = ckalloc(sizeof(RegisteredInterp));
memset(riPtr, 0, sizeof(RegisteredInterp));
riPtr->interp = interp;
objPtr = &riPtr->obj;
hr = TkWinSendCom_CreateInstance(interp, &IID_IUnknown,
(void **) objPtr);
Tcl_CreateObjCommand(interp, "send", Tk_SendObjCmd, riPtr,
CmdDeleteProc);
if (Tcl_IsSafe(interp)) {
Tcl_HideCommand(interp, "send", "send");
}
Tcl_SetAssocData(interp, "tkWinSend::ri", NULL, riPtr);
} else {
RevokeObjectRegistration(riPtr);
}
RegisterInterp(name, riPtr);
return (const char *) riPtr->name;
#endif /* TK_SEND_ENABLED_ON_WINDOWS */
}
