[micropolis] / src / tk / main.c

/* 
 * main.c --
 *
 *	A simple program to test the toolkit facilities.
 *
 * Copyright 1990-1992 Regents of the University of California.
 * Permission to use, copy, modify, and distribute this
 * software and its documentation for any purpose and without
 * fee is hereby granted, provided that the above copyright
 * notice appear in all copies.  The University of California
 * makes no representations about the suitability of this
 * software for any purpose.  It is provided "as is" without
 * express or implied warranty.
 */

#ifndef lint
static char rcsid[] = "$Header: /user6/ouster/wish/RCS/main.c,v 1.68 92/05/07 08:52:02 ouster Exp $ SPRITE (Berkeley)";
#endif

#include "tkconfig.h"
#include "tkint.h"

/*
 * Declarations for library procedures:
 */

extern int isatty();

/*
 * Command used to initialize wish:
 */

char initCmd[] = "source $tk_library/wish.tcl";

Tk_Window w;			/* NULL means window has been deleted. */
Tk_TimerToken timeToken = 0;
int idleHandler = 0;
Tcl_Interp *interp;
int x, y;
Tcl_CmdBuf buffer;
int tty;
extern int Tk_SquareCmd _ANSI_ARGS_((ClientData clientData,
	Tcl_Interp *interp, int argc, char **argv));

/*
 * Information for testing out command-line options:
 */

int synchronize = 0;
char *fileName = NULL;
char *name = NULL;
char *display = NULL;
char *geometry = NULL;

Tk_ArgvInfo argTable[] = {
    {"-file", TK_ARGV_STRING, (char *) NULL, (char *) &fileName,
	"File from which to read commands"},
    {"-geometry", TK_ARGV_STRING, (char *) NULL, (char *) &geometry,
	"Initial geometry for window"},
    {"-display", TK_ARGV_STRING, (char *) NULL, (char *) &display,
	"Display to use"},
    {"-name", TK_ARGV_STRING, (char *) NULL, (char *) &name,
	"Name to use for application"},
    {"-sync", TK_ARGV_CONSTANT, (char *) 1, (char *) &synchronize,
	"Use synchronous mode for display server"},
    {(char *) NULL, TK_ARGV_END, (char *) NULL, (char *) NULL,
	(char *) NULL}
};

    /* ARGSUSED */
void
StdinProc(clientData, mask)
    ClientData clientData;		/* Not used. */
    int mask;
{
    char line[200];
    static int gotPartial = 0;
    char *cmd;
    int result;

    if (mask & TK_READABLE) {
	if (fgets(line, 200, stdin) == NULL) {
	    if (!gotPartial) {
		if (tty) {
		    Tcl_Eval(interp, "destroy .", 0, (char **) NULL);
		    exit(0);
		} else {
		    Tk_DeleteFileHandler(0);
		}
		return;
	    } else {
		line[0] = 0;
	    }
	}
	cmd = Tcl_AssembleCmd(buffer, line);
	if (cmd == NULL) {
	    gotPartial = 1;
	    return;
	}
	gotPartial = 0;
	result = Tcl_RecordAndEval(interp, cmd, 0);
	if (*interp->result != 0) {
	    if ((result != TCL_OK) || (tty)) {
		printf("%s\n", interp->result);
	    }
	}
	if (tty) {
	    printf("wish: ");
	    fflush(stdout);
	}
    }
}

	/* ARGSUSED */
static void
StructureProc(clientData, eventPtr)
    ClientData clientData;	/* Information about window. */
    XEvent *eventPtr;		/* Information about event. */
{
    if (eventPtr->type == DestroyNotify) {
	w = NULL;
    }
}

/*
 * Procedure to map initial window.  This is invoked as a do-when-idle
 * handler.  Wait for all other when-idle handlers to be processed
 * before mapping the window, so that the window's correct geometry
 * has been determined.
 */

	/* ARGSUSED */
static void
DelayedMap(clientData)
    ClientData clientData;	/* Not used. */
{

    while (Tk_DoOneEvent(TK_IDLE_EVENTS) != 0) {
	/* Empty loop body. */
    }
    if (w == NULL) {
	return;
    }
    Tk_MapWindow(w);
}

	/* ARGSUSED */
int
DotCmd(dummy, interp, argc, argv)
    ClientData dummy;			/* Not used. */
    Tcl_Interp *interp;			/* Current interpreter. */
    int argc;				/* Number of arguments. */
    char **argv;			/* Argument strings. */
{
    int x, y;

    if (argc != 3) {
	Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
		" x y\"", (char *) NULL);
	return TCL_ERROR;
    }
    x = strtol(argv[1], (char **) NULL, 0);
    y = strtol(argv[2], (char **) NULL, 0);
    Tk_MakeWindowExist(w);
    XDrawPoint(Tk_Display(w), Tk_WindowId(w),
	    DefaultGCOfScreen(Tk_Screen(w)), x, y);
    return TCL_OK;
}

	/* ARGSUSED */
int
MovetoCmd(dummy, interp, argc, argv)
    ClientData dummy;			/* Not used. */
    Tcl_Interp *interp;			/* Current interpreter. */
    int argc;				/* Number of arguments. */
    char **argv;			/* Argument strings. */
{
    if (argc != 3) {
	Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
		" x y\"", (char *) NULL);
	return TCL_ERROR;
    }
    x = strtol(argv[1], (char **) NULL, 0);
    y = strtol(argv[2], (char **) NULL, 0);
    return TCL_OK;
}
	/* ARGSUSED */
int
LinetoCmd(dummy, interp, argc, argv)
    ClientData dummy;			/* Not used. */
    Tcl_Interp *interp;			/* Current interpreter. */
    int argc;				/* Number of arguments. */
    char **argv;			/* Argument strings. */
{
    int newX, newY;

    if (argc != 3) {
	Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
		" x y\"", (char *) NULL);
	return TCL_ERROR;
    }
    newX = strtol(argv[1], (char **) NULL, 0);
    newY = strtol(argv[2], (char **) NULL, 0);
    Tk_MakeWindowExist(w);
    XDrawLine(Tk_Display(w), Tk_WindowId(w),
	    DefaultGCOfScreen(Tk_Screen(w)), x, y, newX, newY);
    x = newX;
    y = newY;
    return TCL_OK;
}

int
main(argc, argv)
    int argc;
    char **argv;
{
    char *args, *p, *msg;
    char buf[20];
    int result;
    Tk_3DBorder border;

    { extern char *TCL_Library, *TK_Library;
      extern int TK_CreateColormap;
      char *tcllib = getenv("TCL_LIBRARY");
      char *tklib = getenv("TK_LIBRARY");
      char *create = getenv("CREATE_COLORMAP");
      if (tklib != NULL)
	TK_Library = tklib;
      if (tcllib != NULL)
	TCL_Library = tcllib;
      if (create != NULL)
	TK_CreateColormap = 1;
    }

    interp = Tcl_CreateInterp();
#ifdef TCL_MEM_DEBUG
    Tcl_InitMemory(interp);
#endif
    if (Tk_ParseArgv(interp, (Tk_Window) NULL, &argc, argv, argTable, 0)
	    != TCL_OK) {
	fprintf(stderr, "%s\n", interp->result);
	exit(1);
    }
    if (name == NULL) {
	if (fileName != NULL) {
	    p = fileName;
	} else {
	    p = argv[0];
	}
	name = strrchr(p, '/');
	if (name != NULL) {
	    name++;
	} else {
	    name = p;
	}
    }
    w = Tk_CreateMainWindow(interp, display, name);
    if (w == NULL) {
	fprintf(stderr, "%s\n", interp->result);
	exit(1);
    }
    Tk_SetClass(w, "Tk");
    Tk_CreateEventHandler(w, StructureNotifyMask, StructureProc,
	    (ClientData) NULL);
    Tk_DoWhenIdle(DelayedMap, (ClientData) NULL);
    tty = isatty(0);

    args = Tcl_Merge(argc-1, argv+1);
    Tcl_SetVar(interp, "argv", args, TCL_GLOBAL_ONLY);
    ckfree(args);
    sprintf(buf, "%d", argc-1);
    Tcl_SetVar(interp, "argc", buf, TCL_GLOBAL_ONLY);

    if (synchronize) {
	XSynchronize(Tk_Display(w), True);
    }
    Tk_GeometryRequest(w, 200, 200);
    border = Tk_Get3DBorder(interp, w, None, "#4eee94");
    if (border == NULL) {
	Tcl_SetResult(interp, (char *) NULL, TCL_STATIC);
	Tk_SetWindowBackground(w, WhitePixelOfScreen(Tk_Screen(w)));
    } else {
	Tk_SetBackgroundFromBorder(w, border);
    }
    XSetForeground(Tk_Display(w), DefaultGCOfScreen(Tk_Screen(w)),
	    BlackPixelOfScreen(Tk_Screen(w)));
    Tcl_CreateCommand(interp, "dot", DotCmd, (ClientData) w,
	    (void (*)()) NULL);
    Tcl_CreateCommand(interp, "lineto", LinetoCmd, (ClientData) w,
	    (void (*)()) NULL);
    Tcl_CreateCommand(interp, "moveto", MovetoCmd, (ClientData) w,
	    (void (*)()) NULL);
#ifdef SQUARE_DEMO
    Tcl_CreateCommand(interp, "square", Tk_SquareCmd, (ClientData) w,
	    (void (*)()) NULL);
#endif
    if (geometry != NULL) {
	Tcl_SetVar(interp, "geometry", geometry, TCL_GLOBAL_ONLY);
    }
    result = Tcl_Eval(interp, initCmd, 0, (char **) NULL);
    if (result != TCL_OK) {
	goto error;
    }
    if (fileName != NULL) {
	result = Tcl_VarEval(interp, "source ", fileName, (char *) NULL);
	if (result != TCL_OK) {
	    goto error;
	}
	tty = 0;
    } else {
	tty = isatty(0);
	Tk_CreateFileHandler(0, TK_READABLE, StdinProc, (ClientData) 0);
	if (tty) {
	    printf("wish: ");
	}
    }
    fflush(stdout);
    buffer = Tcl_CreateCmdBuf();
    (void) Tcl_Eval(interp, "update", 0, (char **) NULL);

    Tk_MainLoop();
    Tcl_DeleteInterp(interp);
    Tcl_DeleteCmdBuf(buffer);
    exit(0);

error:
    msg = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
    if (msg == NULL) {
	msg = interp->result;
    }
    fprintf(stderr, "%s\n", msg);
    Tcl_Eval(interp, "destroy .", 0, (char **) NULL);
    exit(1);
}
Commit	Line	Data
6a5fa4e0 MG	1	/*
	2	* main.c --
	3	*
	4	* A simple program to test the toolkit facilities.
	5	*
	6	* Copyright 1990-1992 Regents of the University of California.
	7	* Permission to use, copy, modify, and distribute this
	8	* software and its documentation for any purpose and without
	9	* fee is hereby granted, provided that the above copyright
	10	* notice appear in all copies. The University of California
	11	* makes no representations about the suitability of this
	12	* software for any purpose. It is provided "as is" without
	13	* express or implied warranty.
	14	*/
	15
	16	#ifndef lint
	17	static char rcsid[] = "$Header: /user6/ouster/wish/RCS/main.c,v 1.68 92/05/07 08:52:02 ouster Exp $ SPRITE (Berkeley)";
	18	#endif
	19
	20	#include "tkconfig.h"
	21	#include "tkint.h"
	22
	23	/*
	24	* Declarations for library procedures:
	25	*/
	26
	27	extern int isatty();
	28
	29	/*
	30	* Command used to initialize wish:
	31	*/
	32
	33	char initCmd[] = "source $tk_library/wish.tcl";
	34
	35	Tk_Window w; /* NULL means window has been deleted. */
	36	Tk_TimerToken timeToken = 0;
	37	int idleHandler = 0;
	38	Tcl_Interp *interp;
	39	int x, y;
	40	Tcl_CmdBuf buffer;
	41	int tty;
	42	extern int Tk_SquareCmd _ANSI_ARGS_((ClientData clientData,
	43	Tcl_Interp interp, int argc, char *argv));
	44
	45	/*
	46	* Information for testing out command-line options:
	47	*/
	48
	49	int synchronize = 0;
	50	char *fileName = NULL;
	51	char *name = NULL;
	52	char *display = NULL;
	53	char *geometry = NULL;
	54
	55	Tk_ArgvInfo argTable[] = {
	56	{"-file", TK_ARGV_STRING, (char ) NULL, (char ) &fileName,
	57	"File from which to read commands"},
	58	{"-geometry", TK_ARGV_STRING, (char ) NULL, (char ) &geometry,
	59	"Initial geometry for window"},
	60	{"-display", TK_ARGV_STRING, (char ) NULL, (char ) &display,
	61	"Display to use"},
	62	{"-name", TK_ARGV_STRING, (char ) NULL, (char ) &name,
	63	"Name to use for application"},
	64	{"-sync", TK_ARGV_CONSTANT, (char ) 1, (char ) &synchronize,
65	"Use synchronous mode for display server"},
66	{(char ) NULL, TK_ARGV_END, (char ) NULL, (char *) NULL,
67	(char *) NULL}
68	};
69
70	/* ARGSUSED */
71	void
72	StdinProc(clientData, mask)
73	ClientData clientData; /* Not used. */
74	int mask;
75	{
76	char line[200];
77	static int gotPartial = 0;
78	char *cmd;
79	int result;
80
81	if (mask & TK_READABLE) {
82	if (fgets(line, 200, stdin) == NULL) {
83	if (!gotPartial) {
84	if (tty) {
85	Tcl_Eval(interp, "destroy .", 0, (char **) NULL);
86	exit(0);
87	} else {
88	Tk_DeleteFileHandler(0);
89	}
90	return;
91	} else {
92	line[0] = 0;
93	}
94	}
95	cmd = Tcl_AssembleCmd(buffer, line);
96	if (cmd == NULL) {
97	gotPartial = 1;
98	return;
99	}
100	gotPartial = 0;
101	result = Tcl_RecordAndEval(interp, cmd, 0);
102	if (*interp->result != 0) {
103	if ((result != TCL_OK) \|\| (tty)) {
104	printf("%s\n", interp->result);
105	}
106	}
107	if (tty) {
108	printf("wish: ");
109	fflush(stdout);
110	}
111	}
112	}
113
114	/* ARGSUSED */
115	static void
116	StructureProc(clientData, eventPtr)
117	ClientData clientData; /* Information about window. */
118	XEvent eventPtr; / Information about event. */
119	{
120	if (eventPtr->type == DestroyNotify) {
121	w = NULL;
122	}
123	}
124
125	/*
126	* Procedure to map initial window. This is invoked as a do-when-idle
127	* handler. Wait for all other when-idle handlers to be processed
128	* before mapping the window, so that the window's correct geometry
129	* has been determined.
130	*/
131
132	/* ARGSUSED */
133	static void
134	DelayedMap(clientData)
135	ClientData clientData; /* Not used. */
136	{
137
138	while (Tk_DoOneEvent(TK_IDLE_EVENTS) != 0) {
139	/* Empty loop body. */
140	}
141	if (w == NULL) {
142	return;
143	}
144	Tk_MapWindow(w);
145	}
146
147	/* ARGSUSED */
148	int
149	DotCmd(dummy, interp, argc, argv)
150	ClientData dummy; /* Not used. */
151	Tcl_Interp interp; / Current interpreter. */
152	int argc; /* Number of arguments. */
153	char *argv; / Argument strings. */
154	{
155	int x, y;
156
157	if (argc != 3) {
158	Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
159	" x y\"", (char *) NULL);
160	return TCL_ERROR;
161	}
162	x = strtol(argv[1], (char **) NULL, 0);
163	y = strtol(argv[2], (char **) NULL, 0);
164	Tk_MakeWindowExist(w);
165	XDrawPoint(Tk_Display(w), Tk_WindowId(w),
166	DefaultGCOfScreen(Tk_Screen(w)), x, y);
167	return TCL_OK;
168	}
169
170	/* ARGSUSED */
171	int
172	MovetoCmd(dummy, interp, argc, argv)
173	ClientData dummy; /* Not used. */
174	Tcl_Interp interp; / Current interpreter. */
175	int argc; /* Number of arguments. */
176	char *argv; / Argument strings. */
177	{
178	if (argc != 3) {
179	Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
180	" x y\"", (char *) NULL);
181	return TCL_ERROR;
182	}
183	x = strtol(argv[1], (char **) NULL, 0);
184	y = strtol(argv[2], (char **) NULL, 0);
185	return TCL_OK;
186	}
187	/* ARGSUSED */
188	int
189	LinetoCmd(dummy, interp, argc, argv)
190	ClientData dummy; /* Not used. */
191	Tcl_Interp interp; / Current interpreter. */
192	int argc; /* Number of arguments. */
193	char *argv; / Argument strings. */
194	{
195	int newX, newY;
196
197	if (argc != 3) {
198	Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
199	" x y\"", (char *) NULL);
200	return TCL_ERROR;
201	}
202	newX = strtol(argv[1], (char **) NULL, 0);
203	newY = strtol(argv[2], (char **) NULL, 0);
204	Tk_MakeWindowExist(w);
205	XDrawLine(Tk_Display(w), Tk_WindowId(w),
206	DefaultGCOfScreen(Tk_Screen(w)), x, y, newX, newY);
207	x = newX;
208	y = newY;
209	return TCL_OK;
210	}
211
212	int
213	main(argc, argv)
214	int argc;
215	char **argv;
216	{
217	char args, p, *msg;
218	char buf[20];
219	int result;
220	Tk_3DBorder border;
221
222	{ extern char TCL_Library, TK_Library;
223	extern int TK_CreateColormap;
224	char *tcllib = getenv("TCL_LIBRARY");
225	char *tklib = getenv("TK_LIBRARY");
226	char *create = getenv("CREATE_COLORMAP");
227	if (tklib != NULL)
228	TK_Library = tklib;
229	if (tcllib != NULL)
230	TCL_Library = tcllib;
231	if (create != NULL)
232	TK_CreateColormap = 1;
233	}
234
235	interp = Tcl_CreateInterp();
236	#ifdef TCL_MEM_DEBUG
237	Tcl_InitMemory(interp);
238	#endif
239	if (Tk_ParseArgv(interp, (Tk_Window) NULL, &argc, argv, argTable, 0)
240	!= TCL_OK) {
241	fprintf(stderr, "%s\n", interp->result);
242	exit(1);
243	}
244	if (name == NULL) {
245	if (fileName != NULL) {
246	p = fileName;
247	} else {
248	p = argv[0];
249	}
250	name = strrchr(p, '/');
251	if (name != NULL) {
252	name++;
253	} else {
254	name = p;
255	}
256	}
257	w = Tk_CreateMainWindow(interp, display, name);
258	if (w == NULL) {
259	fprintf(stderr, "%s\n", interp->result);
260	exit(1);
261	}
262	Tk_SetClass(w, "Tk");
263	Tk_CreateEventHandler(w, StructureNotifyMask, StructureProc,
264	(ClientData) NULL);
265	Tk_DoWhenIdle(DelayedMap, (ClientData) NULL);
266	tty = isatty(0);
267
268	args = Tcl_Merge(argc-1, argv+1);
269	Tcl_SetVar(interp, "argv", args, TCL_GLOBAL_ONLY);
270	ckfree(args);
271	sprintf(buf, "%d", argc-1);
272	Tcl_SetVar(interp, "argc", buf, TCL_GLOBAL_ONLY);
273
274	if (synchronize) {
275	XSynchronize(Tk_Display(w), True);
276	}
277	Tk_GeometryRequest(w, 200, 200);
278	border = Tk_Get3DBorder(interp, w, None, "#4eee94");
279	if (border == NULL) {
280	Tcl_SetResult(interp, (char *) NULL, TCL_STATIC);
281	Tk_SetWindowBackground(w, WhitePixelOfScreen(Tk_Screen(w)));
282	} else {
283	Tk_SetBackgroundFromBorder(w, border);
284	}
285	XSetForeground(Tk_Display(w), DefaultGCOfScreen(Tk_Screen(w)),
286	BlackPixelOfScreen(Tk_Screen(w)));
287	Tcl_CreateCommand(interp, "dot", DotCmd, (ClientData) w,
288	(void (*)()) NULL);
289	Tcl_CreateCommand(interp, "lineto", LinetoCmd, (ClientData) w,
290	(void (*)()) NULL);
291	Tcl_CreateCommand(interp, "moveto", MovetoCmd, (ClientData) w,
292	(void (*)()) NULL);
293	#ifdef SQUARE_DEMO
294	Tcl_CreateCommand(interp, "square", Tk_SquareCmd, (ClientData) w,
295	(void (*)()) NULL);
296	#endif
297	if (geometry != NULL) {
298	Tcl_SetVar(interp, "geometry", geometry, TCL_GLOBAL_ONLY);
299	}
300	result = Tcl_Eval(interp, initCmd, 0, (char **) NULL);
301	if (result != TCL_OK) {
302	goto error;
303	}
304	if (fileName != NULL) {
305	result = Tcl_VarEval(interp, "source ", fileName, (char *) NULL);
306	if (result != TCL_OK) {
307	goto error;
308	}
309	tty = 0;
310	} else {
311	tty = isatty(0);
312	Tk_CreateFileHandler(0, TK_READABLE, StdinProc, (ClientData) 0);
313	if (tty) {
314	printf("wish: ");
315	}
316	}
317	fflush(stdout);
318	buffer = Tcl_CreateCmdBuf();
319	(void) Tcl_Eval(interp, "update", 0, (char **) NULL);
320
321	Tk_MainLoop();
322	Tcl_DeleteInterp(interp);
323	Tcl_DeleteCmdBuf(buffer);
324	exit(0);
325
326	error:
327	msg = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
328	if (msg == NULL) {
329	msg = interp->result;
330	}
331	fprintf(stderr, "%s\n", msg);
332	Tcl_Eval(interp, "destroy .", 0, (char **) NULL);
333	exit(1);
334	}