Esempio n. 1
0
File: tkImage.c Progetto: tcltk/tk
int
Tk_ImageObjCmd(
    ClientData clientData,	/* Main window associated with interpreter. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument strings. */
{
    static const char *const imageOptions[] = {
	"create", "delete", "height", "inuse", "names", "type", "types",
	"width", NULL
    };
    enum options {
	IMAGE_CREATE, IMAGE_DELETE, IMAGE_HEIGHT, IMAGE_INUSE, IMAGE_NAMES,
	IMAGE_TYPE, IMAGE_TYPES, IMAGE_WIDTH
    };
    TkWindow *winPtr = clientData;
    int i, isNew, firstOption, index;
    Tk_ImageType *typePtr;
    ImageMaster *masterPtr;
    Image *imagePtr;
    Tcl_HashEntry *hPtr;
    Tcl_HashSearch search;
    char idString[16 + TCL_INTEGER_SPACE];
    TkDisplay *dispPtr = winPtr->dispPtr;
    const char *arg, *name;
    Tcl_Obj *resultObj;
    ThreadSpecificData *tsdPtr =
            Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "option ?args?");
	return TCL_ERROR;
    }

    if (Tcl_GetIndexFromObjStruct(interp, objv[1], imageOptions,
	    sizeof(char *), "option", 0, &index) != TCL_OK) {
	return TCL_ERROR;
    }
    switch ((enum options) index) {
    case IMAGE_CREATE: {
	Tcl_Obj **args;
	int oldimage = 0;

	if (objc < 3) {
	    Tcl_WrongNumArgs(interp, 2, objv,
		    "type ?name? ?-option value ...?");
	    return TCL_ERROR;
	}

	/*
	 * Look up the image type.
	 */

	arg = Tcl_GetString(objv[2]);
	for (typePtr = tsdPtr->imageTypeList; typePtr != NULL;
		typePtr = typePtr->nextPtr) {
	    if ((*arg == typePtr->name[0])
		    && (strcmp(arg, typePtr->name) == 0)) {
		break;
	    }
	}
	if (typePtr == NULL) {
	    oldimage = 1;
	    for (typePtr = tsdPtr->oldImageTypeList; typePtr != NULL;
		    typePtr = typePtr->nextPtr) {
		if ((*arg == typePtr->name[0])
			&& (strcmp(arg, typePtr->name) == 0)) {
		    break;
		}
	    }
	}
	if (typePtr == NULL) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "image type \"%s\" doesn't exist", arg));
	    Tcl_SetErrorCode(interp, "TK", "LOOKUP", "IMAGE_TYPE", arg, NULL);
	    return TCL_ERROR;
	}

	/*
	 * Figure out a name to use for the new image.
	 */

	if ((objc == 3) || (*(arg = Tcl_GetString(objv[3])) == '-')) {
	    do {
		dispPtr->imageId++;
		sprintf(idString, "image%d", dispPtr->imageId);
		name = idString;
	    } while (Tcl_FindCommand(interp, name, NULL, 0) != NULL);
	    firstOption = 3;
	} else {
	    TkWindow *topWin;

	    name = arg;
	    firstOption = 4;

	    /*
	     * Need to check if the _command_ that we are about to create is
	     * the name of the current master widget command (normally "." but
	     * could have been renamed) and fail in that case before a really
	     * nasty and hard to stop crash happens.
	     */

	    topWin = (TkWindow *) TkToplevelWindowForCommand(interp, name);
	    if (topWin != NULL && winPtr->mainPtr->winPtr == topWin) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"images may not be named the same as the main window",
			-1));
		Tcl_SetErrorCode(interp, "TK", "IMAGE", "SMASH_MAIN", NULL);
		return TCL_ERROR;
	    }
	}

	/*
	 * Create the data structure for the new image.
	 */

	hPtr = Tcl_CreateHashEntry(&winPtr->mainPtr->imageTable, name, &isNew);
	if (isNew) {
	    masterPtr = ckalloc(sizeof(ImageMaster));
	    masterPtr->typePtr = NULL;
	    masterPtr->masterData = NULL;
	    masterPtr->width = masterPtr->height = 1;
	    masterPtr->tablePtr = &winPtr->mainPtr->imageTable;
	    masterPtr->hPtr = hPtr;
	    masterPtr->instancePtr = NULL;
	    masterPtr->deleted = 0;
	    masterPtr->winPtr = winPtr->mainPtr->winPtr;
	    Tcl_Preserve(masterPtr->winPtr);
	    Tcl_SetHashValue(hPtr, masterPtr);
	} else {
	    /*
	     * An image already exists by this name. Disconnect the instances
	     * from the master.
	     */

	    masterPtr = Tcl_GetHashValue(hPtr);
	    if (masterPtr->typePtr != NULL) {
		for (imagePtr = masterPtr->instancePtr; imagePtr != NULL;
			imagePtr = imagePtr->nextPtr) {
		    masterPtr->typePtr->freeProc(imagePtr->instanceData,
			    imagePtr->display);
		    imagePtr->changeProc(imagePtr->widgetClientData, 0, 0,
			    masterPtr->width, masterPtr->height,
			    masterPtr->width, masterPtr->height);
		}
		masterPtr->typePtr->deleteProc(masterPtr->masterData);
		masterPtr->typePtr = NULL;
	    }
	    masterPtr->deleted = 0;
	}

	/*
	 * Call the image type manager so that it can perform its own
	 * initialization, then re-"get" for any existing instances of the
	 * image.
	 */

	objv += firstOption;
	objc -= firstOption;
	args = (Tcl_Obj **) objv;
	if (oldimage) {
	    int i;

	    args = ckalloc((objc+1) * sizeof(char *));
	    for (i = 0; i < objc; i++) {
		args[i] = (Tcl_Obj *) Tcl_GetString(objv[i]);
	    }
	    args[objc] = NULL;
	}
	Tcl_Preserve(masterPtr);
	if (typePtr->createProc(interp, name, objc, args, typePtr,
		(Tk_ImageMaster)masterPtr, &masterPtr->masterData) != TCL_OK){
	    EventuallyDeleteImage(masterPtr, 0);
	    Tcl_Release(masterPtr);
	    if (oldimage) {
		ckfree(args);
	    }
	    return TCL_ERROR;
	}
	Tcl_Release(masterPtr);
	if (oldimage) {
	    ckfree(args);
	}
	masterPtr->typePtr = typePtr;
	for (imagePtr = masterPtr->instancePtr; imagePtr != NULL;
		imagePtr = imagePtr->nextPtr) {
	    imagePtr->instanceData = typePtr->getProc(imagePtr->tkwin,
		    masterPtr->masterData);
	}
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		Tcl_GetHashKey(&winPtr->mainPtr->imageTable, hPtr), -1));
	break;
    }
    case IMAGE_DELETE:
	for (i = 2; i < objc; i++) {
	    arg = Tcl_GetString(objv[i]);
	    hPtr = Tcl_FindHashEntry(&winPtr->mainPtr->imageTable, arg);
	    if (hPtr == NULL) {
		goto alreadyDeleted;
	    }
	    masterPtr = Tcl_GetHashValue(hPtr);
	    if (masterPtr->deleted) {
		goto alreadyDeleted;
	    }
	    DeleteImage(masterPtr);
	}
	break;
    case IMAGE_NAMES:
	if (objc != 2) {
	    Tcl_WrongNumArgs(interp, 2, objv, NULL);
	    return TCL_ERROR;
	}
	hPtr = Tcl_FirstHashEntry(&winPtr->mainPtr->imageTable, &search);
	resultObj = Tcl_NewObj();
	for ( ; hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
	    masterPtr = Tcl_GetHashValue(hPtr);
	    if (masterPtr->deleted) {
		continue;
	    }
	    Tcl_ListObjAppendElement(NULL, resultObj, Tcl_NewStringObj(
		    Tcl_GetHashKey(&winPtr->mainPtr->imageTable, hPtr), -1));
	}
	Tcl_SetObjResult(interp, resultObj);
	break;
    case IMAGE_TYPES:
	if (objc != 2) {
	    Tcl_WrongNumArgs(interp, 2, objv, NULL);
	    return TCL_ERROR;
	}
	resultObj = Tcl_NewObj();
	for (typePtr = tsdPtr->imageTypeList; typePtr != NULL;
		typePtr = typePtr->nextPtr) {
	    Tcl_ListObjAppendElement(NULL, resultObj, Tcl_NewStringObj(
		    typePtr->name, -1));
	}
	for (typePtr = tsdPtr->oldImageTypeList; typePtr != NULL;
		typePtr = typePtr->nextPtr) {
	    Tcl_ListObjAppendElement(NULL, resultObj, Tcl_NewStringObj(
		    typePtr->name, -1));
	}
	Tcl_SetObjResult(interp, resultObj);
	break;

    case IMAGE_HEIGHT:
    case IMAGE_INUSE:
    case IMAGE_TYPE:
    case IMAGE_WIDTH:
	/*
	 * These operations all parse virtually identically. First check to
	 * see if three args are given. Then get a non-deleted master from the
	 * third arg.
	 */

	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "name");
	    return TCL_ERROR;
	}

	arg = Tcl_GetString(objv[2]);
	hPtr = Tcl_FindHashEntry(&winPtr->mainPtr->imageTable, arg);
	if (hPtr == NULL) {
	    goto alreadyDeleted;
	}
	masterPtr = Tcl_GetHashValue(hPtr);
	if (masterPtr->deleted) {
	    goto alreadyDeleted;
	}

	/*
	 * Now we read off the specific piece of data we were asked for.
	 */

	switch ((enum options) index) {
	case IMAGE_HEIGHT:
	    Tcl_SetObjResult(interp, Tcl_NewWideIntObj(masterPtr->height));
	    break;
	case IMAGE_INUSE:
	    Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
		    masterPtr->typePtr && masterPtr->instancePtr));
	    break;
	case IMAGE_TYPE:
	    if (masterPtr->typePtr != NULL) {
		Tcl_SetObjResult(interp,
			Tcl_NewStringObj(masterPtr->typePtr->name, -1));
	    }
	    break;
	case IMAGE_WIDTH:
	    Tcl_SetObjResult(interp, Tcl_NewWideIntObj(masterPtr->width));
	    break;
	default:
	    Tcl_Panic("can't happen");
	}
	break;
    }
    return TCL_OK;

  alreadyDeleted:
    Tcl_SetObjResult(interp, Tcl_ObjPrintf("image \"%s\" doesn't exist",arg));
    Tcl_SetErrorCode(interp, "TK", "LOOKUP", "IMAGE", arg, NULL);
    return TCL_ERROR;
}
Esempio n. 2
0
colvarproxy_namd::colvarproxy_namd()
{
  version_int = get_version_from_string(COLVARPROXY_VERSION);

  first_timestep = true;
  total_force_requested = false;
  requestTotalForce(total_force_requested);

  // initialize pointers to NAMD configuration data
  simparams = Node::Object()->simParameters;

  if (cvm::debug())
    iout << "Info: initializing the colvars proxy object.\n" << endi;

  // find the configuration file, if provided
  StringList *config = Node::Object()->configList->find("colvarsConfig");

  // find the input state file
  StringList *input_restart = Node::Object()->configList->find("colvarsInput");
  input_prefix_str = std::string(input_restart ? input_restart->data : "");
  if (input_prefix_str.rfind(".colvars.state") != std::string::npos) {
    // strip the extension, if present
    input_prefix_str.erase(input_prefix_str.rfind(".colvars.state"),
                           std::string(".colvars.state").size());
  }

  // get the thermostat temperature
  if (simparams->rescaleFreq > 0)
    thermostat_temperature = simparams->rescaleTemp;
  else if (simparams->reassignFreq > 0)
    thermostat_temperature = simparams->reassignTemp;
  else if (simparams->langevinOn)
    thermostat_temperature = simparams->langevinTemp;
  else if (simparams->tCoupleOn)
    thermostat_temperature = simparams->tCoupleTemp;
  //else if (simparams->loweAndersenOn)
  //  thermostat_temperature = simparams->loweAndersenTemp;
  else
    thermostat_temperature = 0.0;

  random = Random(simparams->randomSeed);

  // take the output prefixes from the namd input
  output_prefix_str = std::string(simparams->outputFilename);
  restart_output_prefix_str = std::string(simparams->restartFilename);
  restart_frequency_s = simparams->restartFrequency;

  // check if it is possible to save output configuration
  if ((!output_prefix_str.size()) && (!restart_output_prefix_str.size())) {
    fatal_error("Error: neither the final output state file or "
                "the output restart file could be defined, exiting.\n");
  }


#ifdef NAMD_TCL
  have_scripts = true;

  init_tcl_pointers();

  // See is user-scripted forces are defined
  if (Tcl_FindCommand(reinterpret_cast<Tcl_Interp *>(_tcl_interp),
                      "calc_colvar_forces", NULL, 0) == NULL) {
    force_script_defined = false;
  } else {
    force_script_defined = true;
  }
#else
  force_script_defined = false;
  have_scripts = false;
#endif


  // initiate module: this object will be the communication proxy
  colvars = new colvarmodule(this);
  log("Using NAMD interface, version "+
      cvm::to_str(COLVARPROXY_VERSION)+".\n");

  if (config) {
    colvars->read_config_file(config->data);
  }

  colvars->setup();
  colvars->setup_input();
  colvars->setup_output();

  // save to Node for Tcl script access
  Node::Object()->colvars = colvars;

#ifdef NAMD_TCL
  // Construct instance of colvars scripting interface
  script = new colvarscript(this);
#endif

  if (simparams->firstTimestep != 0) {
    log("Initializing step number as firstTimestep.\n");
    colvars->it = colvars->it_restart = simparams->firstTimestep;
  }

  reduction = ReductionMgr::Object()->willSubmit(REDUCTIONS_BASIC);

  if (cvm::debug())
    iout << "Info: done initializing the colvars proxy object.\n" << endi;
}
Esempio n. 3
0
/*
 * ------------------------------------------------------------------------
 *  ItclFinishCmd()
 *
 *  called when an interp is deleted to free up memory or called explicitly
 *  to check memory leaks
 *
 * ------------------------------------------------------------------------
 */
static int
ItclFinishCmd(
    ClientData clientData,   /* unused */
    Tcl_Interp *interp,      /* current interpreter */
    int objc,                /* number of arguments */
    Tcl_Obj *const objv[])   /* argument objects */
{
    Tcl_HashEntry *hPtr;
    Tcl_HashSearch place;
    Tcl_Namespace *nsPtr;
    Tcl_Obj **newObjv;
    Tcl_Obj *objPtr;
    Tcl_Obj *ensObjPtr;
    Tcl_Command cmdPtr;
    Tcl_Obj *mapDict;
    ItclObjectInfo *infoPtr;
    ItclCmdsInfo *iciPtr;
    int checkMemoryLeaks;
    int i;
    int result;

    ItclShowArgs(1, "ItclFinishCmd", objc, objv);
    result = TCL_OK;
    infoPtr = Tcl_GetAssocData(interp, ITCL_INTERP_DATA, NULL);
    if (infoPtr == NULL) {
        infoPtr = (ItclObjectInfo *)clientData;
    }
    checkMemoryLeaks = 0;
    if (objc > 1) {
        if (strcmp(Tcl_GetString(objv[1]), "checkmemoryleaks") == 0) {
	    /* if we have that option, the namespace of the Tcl ensembles
	     * is not teared down, so we have to simulate it here to
	     * have the correct reference counts for infoPtr->infoVars2Ptr
	     * infoPtr->infoVars3Ptr and infoPtr->infoVars4Ptr
	     */
	    checkMemoryLeaks = 1;
	}
    }
    newObjv = (Tcl_Obj **)ckalloc(sizeof(Tcl_Obj *) * 2);
    newObjv[0] = Tcl_NewStringObj("my", -1);;
    for (i = 0; ;i++) {
        iciPtr = &itclCmds[i];
        if (iciPtr->name == NULL) {
	    break;
	}
	if ((iciPtr->flags & ITCL_IS_ENSEMBLE) == 0) {
            result = Itcl_RenameCommand(interp, iciPtr->name, "");
	} else {
	    objPtr = Tcl_NewStringObj(iciPtr->name, -1);
            newObjv[1] = objPtr;
	    Itcl_EnsembleDeleteCmd(infoPtr, infoPtr->interp, 2, newObjv);
	    Tcl_DecrRefCount(objPtr);
	}
        iciPtr++;
    }
    Tcl_DecrRefCount(newObjv[0]);
    ckfree((char *)newObjv);

    /* remove the unknow handler, to free the reference to the
     * Tcl_Obj with the name of it */
    ensObjPtr = Tcl_NewStringObj("::itcl::builtin::Info::delegated", -1);
    cmdPtr = Tcl_FindEnsemble(interp, ensObjPtr, TCL_LEAVE_ERR_MSG);
    if (cmdPtr != NULL) {
        Tcl_SetEnsembleUnknownHandler(NULL, cmdPtr, NULL);
    }
    Tcl_DecrRefCount(ensObjPtr);

    while (1) {
        hPtr = Tcl_FirstHashEntry(&infoPtr->instances, &place);
	if (hPtr == NULL) {
	    break;
	}
	Tcl_DeleteHashEntry(hPtr);
    }
    Tcl_DeleteHashTable(&infoPtr->instances);

    while (1) {
        hPtr = Tcl_FirstHashEntry(&infoPtr->classTypes, &place);
	if (hPtr == NULL) {
	    break;
	}
	Tcl_DeleteHashEntry(hPtr);
    }
    Tcl_DeleteHashTable(&infoPtr->classTypes);

    nsPtr = Tcl_FindNamespace(interp, "::itcl::parser", NULL, 0);
    if (nsPtr != NULL) {
        Tcl_DeleteNamespace(nsPtr);
    }

    mapDict = NULL;
    ensObjPtr = Tcl_NewStringObj("::itcl::builtin::Info", -1);
    if (Tcl_FindNamespace(interp, Tcl_GetString(ensObjPtr), NULL, 0) != NULL) {
        Tcl_SetEnsembleUnknownHandler(NULL,
                Tcl_FindEnsemble(interp, ensObjPtr, TCL_LEAVE_ERR_MSG),
	        NULL);
    }
    Tcl_DecrRefCount(ensObjPtr);

    /* remove the itclinfo and vars entry from the info dict */
    /* and replace it by the original one */
    cmdPtr = Tcl_FindCommand(interp, "info", NULL, TCL_GLOBAL_ONLY);
    if (cmdPtr != NULL && Tcl_IsEnsemble(cmdPtr)) {
        Tcl_GetEnsembleMappingDict(NULL, cmdPtr, &mapDict);
        if (mapDict != NULL) {

            objPtr = Tcl_NewStringObj("vars", -1);
	    Tcl_DictObjRemove(interp, mapDict, objPtr);
	    Tcl_DictObjPut(interp, mapDict, objPtr, infoPtr->infoVars4Ptr);
	    Tcl_DecrRefCount(objPtr);

            objPtr = Tcl_NewStringObj("itclinfo", -1);
	    Tcl_DictObjRemove(interp, mapDict, objPtr);
	    Tcl_DecrRefCount(objPtr);
	    Tcl_SetEnsembleMappingDict(interp, cmdPtr, mapDict);
        }
    }
    /* FIXME have to figure out why the refCount of
     * ::itcl::builtin::Info
     * and ::itcl::builtin::Info::vars and vars is 2 here !! */
    /* seems to be as the tclOO commands are not yet deleted ?? */
    Tcl_DecrRefCount(infoPtr->infoVars2Ptr);
    Tcl_DecrRefCount(infoPtr->infoVars3Ptr);
    Tcl_DecrRefCount(infoPtr->infoVars4Ptr);
    if (checkMemoryLeaks) {
        Tcl_DecrRefCount(infoPtr->infoVars2Ptr);
        Tcl_DecrRefCount(infoPtr->infoVars3Ptr);
        Tcl_DecrRefCount(infoPtr->infoVars4Ptr);
    /* see comment above */
    }

    Tcl_DecrRefCount(infoPtr->typeDestructorArgumentPtr);

    Tcl_EvalEx(infoPtr->interp,
            "::oo::define ::itcl::clazz deletemethod unknown", -1, 0);

    /* first have to look for the remaining memory leaks, then remove the next ifdef */
#ifdef LATER
    Itcl_RenameCommand(infoPtr->interp, "::itcl::clazz", "");

    /* tear down ::itcl namespace (this includes ::itcl::parser namespace) */
    nsPtr = Tcl_FindNamespace(infoPtr->interp, "::itcl::parser", NULL, 0);
    if (nsPtr != NULL) {
        Tcl_DeleteNamespace(nsPtr);
    }
    nsPtr = Tcl_FindNamespace(infoPtr->interp, "::itcl::import", NULL, 0);
    if (nsPtr != NULL) {
        Tcl_DeleteNamespace(nsPtr);
    }
    nsPtr = Tcl_FindNamespace(infoPtr->interp, "::itcl::methodset", NULL, 0);
    if (nsPtr != NULL) {
        Tcl_DeleteNamespace(nsPtr);
    }
    nsPtr = Tcl_FindNamespace(infoPtr->interp, "::itcl::internal", NULL, 0);
    if (nsPtr != NULL) {
        Tcl_DeleteNamespace(nsPtr);
    }
    nsPtr = Tcl_FindNamespace(infoPtr->interp, "::itcl::builtin", NULL, 0);
    if (nsPtr != NULL) {
        Tcl_DeleteNamespace(nsPtr);
    }
#endif
    /* remove the unknown method from top class */
    if (infoPtr->unknownNamePtr != NULL) {
        Tcl_DecrRefCount(infoPtr->unknownNamePtr);
    }
    if (infoPtr->unknownArgumentPtr != NULL) {
        Tcl_DecrRefCount(infoPtr->unknownArgumentPtr);
    }
    if (infoPtr->unknownBodyPtr != NULL) {
        Tcl_DecrRefCount(infoPtr->unknownBodyPtr);
    }

    /* cleanup ensemble info */
    ItclFinishEnsemble(infoPtr);

    ckfree((char *)infoPtr->object_meta_type);
    ckfree((char *)infoPtr->class_meta_type);

    Itcl_DeleteStack(&infoPtr->clsStack);
    Itcl_DeleteStack(&infoPtr->contextStack);
    Itcl_DeleteStack(&infoPtr->constructorStack);
    /* clean up list pool */
    Itcl_FinishList();

    Itcl_ReleaseData((ClientData)infoPtr);
    return result;
}