Пример #1
0
static int
FinalizeEval(
    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
    if (result == TCL_ERROR) {
        Object *oPtr = data[0];
        const char *namePtr;

        if (oPtr) {
            namePtr = TclGetString(TclOOObjectName(interp, oPtr));
        } else {
            namePtr = "my";
        }

        Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf(
                                     "\n    (in \"%s eval\" script line %d)",
                                     namePtr, Tcl_GetErrorLine(interp)));
    }

    /*
     * Restore the previous "current" namespace.
     */

    TclPopStackFrame(interp);
    return result;
}
Пример #2
0
void
TkWmProtocolEventProc(
    TkWindow *winPtr,		/* Window to which the event was sent. */
    XEvent *eventPtr)		/* X event. */
{
    WmInfo *wmPtr;
    ProtocolHandler *protPtr;
    Tcl_Interp *interp;
    Atom protocol;
    int result;

    wmPtr = winPtr->wmInfoPtr;
    if (wmPtr == NULL) {
	return;
    }
    protocol = (Atom) eventPtr->xclient.data.l[0];
    for (protPtr = wmPtr->protPtr; protPtr != NULL;
	    protPtr = protPtr->nextPtr) {
	if (protocol == protPtr->protocol) {
	    Tcl_Preserve(protPtr);
	    interp = protPtr->interp;
	    Tcl_Preserve(interp);
	    result = Tcl_EvalEx(interp, protPtr->command, -1, TCL_EVAL_GLOBAL);
	    if (result != TCL_OK) {
		Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf(
			"\n    (command for \"%s\" window manager protocol)",
			Tk_GetAtomName((Tk_Window) winPtr, protocol)));
		Tcl_BackgroundException(interp, result);
	    }
	    Tcl_Release(interp);
	    Tcl_Release(protPtr);
	    return;
	}
    }

    /*
     * No handler was present for this protocol. If this is a WM_DELETE_WINDOW
     * message then just destroy the window.
     */

    if (protocol == Tk_InternAtom((Tk_Window) winPtr, "WM_DELETE_WINDOW")) {
	Tk_DestroyWindow((Tk_Window) winPtr);
    }
}
Пример #3
0
static int
Send(
    LPDISPATCH pdispInterp,	/* Pointer to the remote interp's COM
				 * object. */
    Tcl_Interp *interp,		/* The local interpreter. */
    int async,			/* Flag for the calling style. */
    ClientData clientData,	/* The RegisteredInterp structure for this
				 * interp. */
    int objc,			/* Number of arguments to be sent. */
    Tcl_Obj *const objv[])	/* The arguments to be sent. */
{
    VARIANT vCmd, vResult;
    DISPPARAMS dp;
    EXCEPINFO ei;
    UINT uiErr = 0;
    HRESULT hr = S_OK, ehr = S_OK;
    Tcl_Obj *cmd = NULL;
    DISPID dispid;

    cmd = Tcl_ConcatObj(objc, objv);

    /*
     * Setup the arguments for the COM method call.
     */

    VariantInit(&vCmd);
    VariantInit(&vResult);
    memset(&dp, 0, sizeof(dp));
    memset(&ei, 0, sizeof(ei));

    vCmd.vt = VT_BSTR;
    vCmd.bstrVal = SysAllocString(Tcl_GetUnicode(cmd));

    dp.cArgs = 1;
    dp.rgvarg = &vCmd;

    /*
     * Select the method to use based upon the async flag and call the method.
     */

    dispid = async ? TKWINSENDCOM_DISPID_ASYNC : TKWINSENDCOM_DISPID_SEND;

    hr = pdispInterp->lpVtbl->Invoke(pdispInterp, dispid,
	    &IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_METHOD,
	    &dp, &vResult, &ei, &uiErr);

    /*
     * Convert the result into a string and place in the interps result.
     */

    ehr = VariantChangeType(&vResult, &vResult, 0, VT_BSTR);
    if (SUCCEEDED(ehr)) {
	Tcl_SetObjResult(interp, Tcl_NewUnicodeObj(vResult.bstrVal, -1));
    }

    /*
     * Errors are returned as dispatch exceptions. If an error code was
     * returned then we decode the exception and setup the Tcl error
     * variables.
     */

    if (hr == DISP_E_EXCEPTION && ei.bstrSource != NULL) {
	Tcl_Obj *opError, *opErrorCode, *opErrorInfo;

	opError = Tcl_NewUnicodeObj(ei.bstrSource, -1);
	Tcl_ListObjIndex(interp, opError, 0, &opErrorCode);
	Tcl_SetObjErrorCode(interp, opErrorCode);
	Tcl_ListObjIndex(interp, opError, 1, &opErrorInfo);
	Tcl_AppendObjToErrorInfo(interp, opErrorInfo);
    }

    /*
     * Clean up any COM allocated resources.
     */

    SysFreeString(ei.bstrDescription);
    SysFreeString(ei.bstrSource);
    SysFreeString(ei.bstrHelpFile);
    VariantClear(&vCmd);

    return (SUCCEEDED(hr) ? TCL_OK : TCL_ERROR);
}
Пример #4
0
static void
ImgBmapConfigureInstance(
    BitmapInstance *instancePtr)/* Instance to reconfigure. */
{
    BitmapMaster *masterPtr = instancePtr->masterPtr;
    XColor *colorPtr;
    XGCValues gcValues;
    GC gc;
    unsigned int mask;
    Pixmap oldBitmap, oldMask;

    /*
     * For each of the options in masterPtr, translate the string form into an
     * internal form appropriate for instancePtr.
     */

    if (*masterPtr->bgUid != 0) {
	colorPtr = Tk_GetColor(masterPtr->interp, instancePtr->tkwin,
		masterPtr->bgUid);
	if (colorPtr == NULL) {
	    goto error;
	}
    } else {
	colorPtr = NULL;
    }
    if (instancePtr->bg != NULL) {
	Tk_FreeColor(instancePtr->bg);
    }
    instancePtr->bg = colorPtr;

    colorPtr = Tk_GetColor(masterPtr->interp, instancePtr->tkwin,
	    masterPtr->fgUid);
    if (colorPtr == NULL) {
	goto error;
    }
    if (instancePtr->fg != NULL) {
	Tk_FreeColor(instancePtr->fg);
    }
    instancePtr->fg = colorPtr;

    /*
     * Careful: We have to allocate new Pixmaps before deleting the old ones.
     * Otherwise, The XID allocator will always return the same XID for the
     * new Pixmaps as was used for the old Pixmaps. And that will prevent the
     * data and/or mask from changing in the GC below.
     */

    oldBitmap = instancePtr->bitmap;
    instancePtr->bitmap = None;
    oldMask = instancePtr->mask;
    instancePtr->mask = None;

    if (masterPtr->data != NULL) {
	instancePtr->bitmap = XCreateBitmapFromData(
		Tk_Display(instancePtr->tkwin),
		RootWindowOfScreen(Tk_Screen(instancePtr->tkwin)),
		masterPtr->data, (unsigned) masterPtr->width,
		(unsigned) masterPtr->height);
    }
    if (masterPtr->maskData != NULL) {
	instancePtr->mask = XCreateBitmapFromData(
		Tk_Display(instancePtr->tkwin),
		RootWindowOfScreen(Tk_Screen(instancePtr->tkwin)),
		masterPtr->maskData, (unsigned) masterPtr->width,
		(unsigned) masterPtr->height);
    }

    if (oldMask != None) {
	Tk_FreePixmap(Tk_Display(instancePtr->tkwin), oldMask);
    }
    if (oldBitmap != None) {
	Tk_FreePixmap(Tk_Display(instancePtr->tkwin), oldBitmap);
    }

    if (masterPtr->data != NULL) {
	gcValues.foreground = instancePtr->fg->pixel;
	gcValues.graphics_exposures = False;
	mask = GCForeground|GCGraphicsExposures;
	if (instancePtr->bg != NULL) {
	    gcValues.background = instancePtr->bg->pixel;
	    mask |= GCBackground;
	    if (instancePtr->mask != None) {
		gcValues.clip_mask = instancePtr->mask;
		mask |= GCClipMask;
	    }
	} else {
	    gcValues.clip_mask = instancePtr->bitmap;
	    mask |= GCClipMask;
	}
	gc = Tk_GetGC(instancePtr->tkwin, mask, &gcValues);
    } else {
	gc = None;
    }
    if (instancePtr->gc != None) {
	Tk_FreeGC(Tk_Display(instancePtr->tkwin), instancePtr->gc);
    }
    instancePtr->gc = gc;
    return;

  error:
    /*
     * An error occurred: clear the graphics context in the instance to make
     * it clear that this instance cannot be displayed. Then report the error.
     */

    if (instancePtr->gc != None) {
	Tk_FreeGC(Tk_Display(instancePtr->tkwin), instancePtr->gc);
    }
    instancePtr->gc = None;
    Tcl_AppendObjToErrorInfo(masterPtr->interp, Tcl_ObjPrintf(
	    "\n    (while configuring image \"%s\")", Tk_NameOfImage(
	    masterPtr->tkMaster)));
    Tcl_BackgroundError(masterPtr->interp);
}