tktest.c

linux系统下的音频通信

	ckfree((char *) cbindPtr->delete);
    }
    ckfree((char *) cbindPtr->command);
    ckfree((char *) cbindPtr);
}

/*
 *----------------------------------------------------------------------
 *
 * TestdeleteappsCmd --
 *
 *	This procedure implements the "testdeleteapps" command.  It cleans
 *	up all the interpreters left behind by the "testnewapp" command.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	All the intepreters created by previous calls to "testnewapp"
 *	get deleted.
 *
 *----------------------------------------------------------------------
 */

	/* ARGSUSED */
static int
TestdeleteappsCmd(clientData, interp, argc, argv)
    ClientData clientData;		/* Main window for application. */
    Tcl_Interp *interp;			/* Current interpreter. */
    int argc;				/* Number of arguments. */
    char **argv;			/* Argument strings. */
{
    NewApp *nextPtr;

    while (newAppPtr != NULL) {
	nextPtr = newAppPtr->nextPtr;
	Tcl_DeleteInterp(newAppPtr->interp);
	ckfree((char *) newAppPtr);
	newAppPtr = nextPtr;
    }

    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ImageCreate --
 *
 *	This procedure is called by the Tk image code to create "test"
 *	images.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	The data structure for a new image is allocated.
 *
 *----------------------------------------------------------------------
 */

	/* ARGSUSED */
static int
ImageCreate(interp, name, argc, argv, typePtr, master, clientDataPtr)
    Tcl_Interp *interp;		/* Interpreter for application containing
				 * image. */
    char *name;			/* Name to use for image. */
    int argc;			/* Number of arguments. */
    char **argv;		/* Argument strings for options (doesn't
				 * include image name or type). */
    Tk_ImageType *typePtr;	/* Pointer to our type record (not used). */
    Tk_ImageMaster master;	/* Token for image, to be used by us in
				 * later callbacks. */
    ClientData *clientDataPtr;	/* Store manager's token for image here;
				 * it will be returned in later callbacks. */
{
    TImageMaster *timPtr;
    char *varName;
    int i;

    varName = "log";
    for (i = 0; i < argc; i += 2) {
	if (strcmp(argv[i], "-variable") != 0) {
	    Tcl_AppendResult(interp, "bad option name \"", argv[i],
		    "\"", (char *) NULL);
	    return TCL_ERROR;
	}
	if ((i+1) == argc) {
	    Tcl_AppendResult(interp, "no value given for \"", argv[i],
		    "\" option", (char *) NULL);
	    return TCL_ERROR;
	}
	varName = argv[i+1];
    }
    timPtr = (TImageMaster *) ckalloc(sizeof(TImageMaster));
    timPtr->master = master;
    timPtr->interp = interp;
    timPtr->width = 30;
    timPtr->height = 15;
    timPtr->imageName = (char *) ckalloc((unsigned) (strlen(name) + 1));
    strcpy(timPtr->imageName, name);
    timPtr->varName = (char *) ckalloc((unsigned) (strlen(varName) + 1));
    strcpy(timPtr->varName, varName);
    Tcl_CreateCommand(interp, name, ImageCmd, (ClientData) timPtr,
	    (Tcl_CmdDeleteProc *) NULL);
    *clientDataPtr = (ClientData) timPtr;
    Tk_ImageChanged(master, 0, 0, 30, 15, 30, 15);
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ImageCmd --
 *
 *	This procedure implements the commands corresponding to individual
 *	images. 
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	Forces windows to be created.
 *
 *----------------------------------------------------------------------
 */

	/* ARGSUSED */
static int
ImageCmd(clientData, interp, argc, argv)
    ClientData clientData;		/* Main window for application. */
    Tcl_Interp *interp;			/* Current interpreter. */
    int argc;				/* Number of arguments. */
    char **argv;			/* Argument strings. */
{
    TImageMaster *timPtr = (TImageMaster *) clientData;
    int x, y, width, height;

    if (argc < 2) {
	Tcl_AppendResult(interp, "wrong # args: should be \"",
		argv[0], "option ?arg arg ...?", (char *) NULL);
	return TCL_ERROR;
    }
    if (strcmp(argv[1], "changed") == 0) {
	if (argc != 8) {
	    Tcl_AppendResult(interp, "wrong # args: should be \"",
		    argv[0], " changed x y width height imageWidth imageHeight",
		    (char *) NULL);
	    return TCL_ERROR;
	}
	if ((Tcl_GetInt(interp, argv[2], &x) != TCL_OK)
		|| (Tcl_GetInt(interp, argv[3], &y) != TCL_OK)
		|| (Tcl_GetInt(interp, argv[4], &width) != TCL_OK)
		|| (Tcl_GetInt(interp, argv[5], &height) != TCL_OK)
		|| (Tcl_GetInt(interp, argv[6], &timPtr->width) != TCL_OK)
		|| (Tcl_GetInt(interp, argv[7], &timPtr->height) != TCL_OK)) {
	    return TCL_ERROR;
	}
	Tk_ImageChanged(timPtr->master, x, y, width, height, timPtr->width,
		timPtr->height);
    } else {
	Tcl_AppendResult(interp, "bad option \"", argv[1],
		"\": must be changed", (char *) NULL);
	return TCL_ERROR;
    }
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ImageGet --
 *
 *	This procedure is called by Tk to set things up for using a
 *	test image in a particular widget.
 *
 * Results:
 *	The return value is a token for the image instance, which is
 *	used in future callbacks to ImageDisplay and ImageFree.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

static ClientData
ImageGet(tkwin, clientData)
    Tk_Window tkwin;		/* Token for window in which image will
				 * be used. */
    ClientData clientData;	/* Pointer to TImageMaster for image. */
{
    TImageMaster *timPtr = (TImageMaster *) clientData;
    TImageInstance *instPtr;
    char buffer[100];
    XGCValues gcValues;

    sprintf(buffer, "%s get", timPtr->imageName);
    Tcl_SetVar(timPtr->interp, timPtr->varName, buffer,
	    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);

    instPtr = (TImageInstance *) ckalloc(sizeof(TImageInstance));
    instPtr->masterPtr = timPtr;
    instPtr->fg = Tk_GetColor(timPtr->interp, tkwin, "#ff0000");
    gcValues.foreground = instPtr->fg->pixel;
    instPtr->gc = Tk_GetGC(tkwin, GCForeground, &gcValues);
    return (ClientData) instPtr;
}

/*
 *----------------------------------------------------------------------
 *
 * ImageDisplay --
 *
 *	This procedure is invoked to redisplay part or all of an
 *	image in a given drawable.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The image gets partially redrawn, as an "X" that shows the
 *	exact redraw area.
 *
 *----------------------------------------------------------------------
 */

static void
ImageDisplay(clientData, display, drawable, imageX, imageY, width, height,
	drawableX, drawableY)
    ClientData clientData;	/* Pointer to TImageInstance for image. */
    Display *display;		/* Display to use for drawing. */
    Drawable drawable;		/* Where to redraw image. */
    int imageX, imageY;		/* Origin of area to redraw, relative to
				 * origin of image. */
    int width, height;		/* Dimensions of area to redraw. */
    int drawableX, drawableY;	/* Coordinates in drawable corresponding to
				 * imageX and imageY. */
{
    TImageInstance *instPtr = (TImageInstance *) clientData;
    char buffer[200];

    sprintf(buffer, "%s display %d %d %d %d %d %d",
	    instPtr->masterPtr->imageName, imageX, imageY, width, height,
	    drawableX, drawableY);
    Tcl_SetVar(instPtr->masterPtr->interp, instPtr->masterPtr->varName, buffer,
	    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
    if (width > (instPtr->masterPtr->width - imageX)) {
	width = instPtr->masterPtr->width - imageX;
    }
    if (height > (instPtr->masterPtr->height - imageY)) {
	height = instPtr->masterPtr->height - imageY;
    }
    XDrawRectangle(display, drawable, instPtr->gc, drawableX, drawableY,
	    (unsigned) (width-1), (unsigned) (height-1));
    XDrawLine(display, drawable, instPtr->gc, drawableX, drawableY,
	    (int) (drawableX + width - 1), (int) (drawableY + height - 1));
    XDrawLine(display, drawable, instPtr->gc, drawableX,
	    (int) (drawableY + height - 1),
	    (int) (drawableX + width - 1), drawableY);
}

/*
 *----------------------------------------------------------------------
 *
 * ImageFree --
 *
 *	This procedure is called when an instance of an image is
 * 	no longer used.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Information related to the instance is freed.
 *
 *----------------------------------------------------------------------
 */

static void
ImageFree(clientData, display)
    ClientData clientData;	/* Pointer to TImageInstance for instance. */
    Display *display;		/* Display where image was to be drawn. */
{
    TImageInstance *instPtr = (TImageInstance *) clientData;
    char buffer[200];

    sprintf(buffer, "%s free", instPtr->masterPtr->imageName);
    Tcl_SetVar(instPtr->masterPtr->interp, instPtr->masterPtr->varName, buffer,
	    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
    Tk_FreeColor(instPtr->fg);
    Tk_FreeGC(display, instPtr->gc);
    ckfree((char *) instPtr);
}

/*
 *----------------------------------------------------------------------
 *
 * ImageDelete --
 *
 *	This procedure is called to clean up a test image when
 *	an application goes away.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Information about the image is deleted.
 *
 *----------------------------------------------------------------------
 */

static void
ImageDelete(clientData)
    ClientData clientData;	/* Pointer to TImageMaster for image.  When
				 * this procedure is called, no more
				 * instances exist. */
{
    TImageMaster *timPtr = (TImageMaster *) clientData;
    char buffer[100];

    sprintf(buffer, "%s delete", timPtr->imageName);
    Tcl_SetVar(timPtr->interp, timPtr->varName, buffer,
	    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);

    Tcl_DeleteCommand(timPtr->interp, timPtr->imageName);
    ckfree(timPtr->imageName);
    ckfree(timPtr->varName);
    ckfree((char *) timPtr);
}

/*
 *----------------------------------------------------------------------
 *
 * TestmakeexistCmd --
 *
 *	This procedure implements the "testmakeexist" command.  It calls
 *	Tk_MakeWindowExist on each of its arguments to force the windows
 *	to be created.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	Forces windows to be created.
 *
 *----------------------------------------------------------------------
 */

	/* ARGSUSED */
static int
TestmakeexistCmd(clientData, interp, argc, argv)
    ClientData clientData;		/* Main window for application. */
    Tcl_Interp *interp;			/* Current interpreter. */
    int argc;				/* Number of arguments. */
    char **argv;			/* Argument strings. */
{
    Tk_Window mainwin = (Tk_Window) clientData;
    int i;
    Tk_Window tkwin;

    for (i = 1; i < argc; i++) {
	tkwin = Tk_NameToWindow(interp, argv[i], mainwin);
	if (tkwin == NULL) {
	    return TCL_ERROR;
	}
	Tk_MakeWindowExist(tkwin);
    }

    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * TestmenubarCmd --
 *
 *	This procedure implements the "testmenubar" command.  It is used
 *	to test the Unix facilities for creating space above a toplevel