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- /*
- * tkCmds.c --
- *
- * This file contains a collection of Tk-related Tcl commands
- * that didn't fit in any particular file of the toolkit.
- *
- * Copyright (c) 1990-1994 The Regents of the University of California.
- * Copyright (c) 1994-1996 Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * SCCS: @(#) tkCmds.c 1.110 96/04/03 15:54:47
- */
-
- #include "tkPort.h"
- #include "tkInt.h"
- #include <errno.h>
-
- /*
- * Forward declarations for procedures defined later in this file:
- */
-
- static Tk_Window GetDisplayOf _ANSI_ARGS_((Tcl_Interp *interp,
- Tk_Window tkwin, char **argv));
- static TkWindow * GetToplevel _ANSI_ARGS_((Tk_Window tkwin));
- static char * WaitVariableProc _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, char *name1, char *name2,
- int flags));
- static void WaitVisibilityProc _ANSI_ARGS_((ClientData clientData,
- XEvent *eventPtr));
- static void WaitWindowProc _ANSI_ARGS_((ClientData clientData,
- XEvent *eventPtr));
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_BellCmd --
- *
- * This procedure is invoked to process the "bell" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- int
- Tk_BellCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tk_Window tkwin = (Tk_Window) clientData;
- size_t length;
-
- if ((argc != 1) && (argc != 3)) {
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " ?-displayof window?\"", (char *) NULL);
- return TCL_ERROR;
- }
-
- if (argc == 3) {
- length = strlen(argv[1]);
- if ((length < 2) || (strncmp(argv[1], "-displayof", length) != 0)) {
- Tcl_AppendResult(interp, "bad option \"", argv[1],
- "\": must be -displayof", (char *) NULL);
- return TCL_ERROR;
- }
- tkwin = Tk_NameToWindow(interp, argv[2], tkwin);
- if (tkwin == NULL) {
- return TCL_ERROR;
- }
- }
- XBell(Tk_Display(tkwin), 0);
- XForceScreenSaver(Tk_Display(tkwin), ScreenSaverReset);
- XFlush(Tk_Display(tkwin));
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_BindCmd --
- *
- * This procedure is invoked to process the "bind" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- int
- Tk_BindCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tk_Window tkwin = (Tk_Window) clientData;
- TkWindow *winPtr;
- ClientData object;
-
- if ((argc < 2) || (argc > 4)) {
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " window ?pattern? ?command?\"", (char *) NULL);
- return TCL_ERROR;
- }
- if (argv[1][0] == '.') {
- winPtr = (TkWindow *) Tk_NameToWindow(interp, argv[1], tkwin);
- if (winPtr == NULL) {
- return TCL_ERROR;
- }
- object = (ClientData) winPtr->pathName;
- } else {
- winPtr = (TkWindow *) clientData;
- object = (ClientData) Tk_GetUid(argv[1]);
- }
-
- if (argc == 4) {
- int append = 0;
- unsigned long mask;
-
- if (argv[3][0] == 0) {
- #ifdef STk_CODE
- /* delete the old binding from the callback table */
- STk_add_callback(argv[1], argv[2], "", STk_get_NIL_value());
- #endif
- return Tk_DeleteBinding(interp, winPtr->mainPtr->bindingTable,
- object, argv[2]);
- }
- #ifdef STk_CODE
- mask = Tk_CreateBinding(interp, winPtr->mainPtr->bindingTable,
- object, argv[2], argv[3], argv[1], "");
- #else
- if (argv[3][0] == '+') {
- argv[3]++;
- append = 1;
- }
- mask = Tk_CreateBinding(interp, winPtr->mainPtr->bindingTable,
- object, argv[2], argv[3], append);
- #endif
- if (mask == 0) {
- return TCL_ERROR;
- }
- } else if (argc == 3) {
- char *command;
-
- command = Tk_GetBinding(interp, winPtr->mainPtr->bindingTable,
- object, argv[2]);
- if (command == NULL) {
- Tcl_ResetResult(interp);
- return TCL_OK;
- }
- interp->result = command;
- } else {
- Tk_GetAllBindings(interp, winPtr->mainPtr->bindingTable, object);
- }
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * TkBindEventProc --
- *
- * This procedure is invoked by Tk_HandleEvent for each event; it
- * causes any appropriate bindings for that event to be invoked.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Depends on what bindings have been established with the "bind"
- * command.
- *
- *----------------------------------------------------------------------
- */
-
- void
- TkBindEventProc(winPtr, eventPtr)
- TkWindow *winPtr; /* Pointer to info about window. */
- XEvent *eventPtr; /* Information about event. */
- {
- #define MAX_OBJS 20
- ClientData objects[MAX_OBJS], *objPtr;
- static Tk_Uid allUid = NULL;
- TkWindow *topLevPtr;
- int i, count;
- char *p;
- Tcl_HashEntry *hPtr;
-
- if ((winPtr->mainPtr == NULL) || (winPtr->mainPtr->bindingTable == NULL)) {
- return;
- }
-
- objPtr = objects;
- if (winPtr->numTags != 0) {
- /*
- * Make a copy of the tags for the window, replacing window names
- * with pointers to the pathName from the appropriate window.
- */
-
- if (winPtr->numTags > MAX_OBJS) {
- objPtr = (ClientData *) ckalloc((unsigned)
- (winPtr->numTags * sizeof(ClientData)));
- }
- for (i = 0; i < winPtr->numTags; i++) {
- p = (char *) winPtr->tagPtr[i];
- if (*p == '.') {
- hPtr = Tcl_FindHashEntry(&winPtr->mainPtr->nameTable, p);
- if (hPtr != NULL) {
- p = ((TkWindow *) Tcl_GetHashValue(hPtr))->pathName;
- } else {
- p = NULL;
- }
- }
- objPtr[i] = (ClientData) p;
- }
- count = winPtr->numTags;
- } else {
- objPtr[0] = (ClientData) winPtr->pathName;
- objPtr[1] = (ClientData) winPtr->classUid;
- for (topLevPtr = winPtr;
- (topLevPtr != NULL) && !(topLevPtr->flags & TK_TOP_LEVEL);
- topLevPtr = topLevPtr->parentPtr) {
- /* Empty loop body. */
- }
- if ((winPtr != topLevPtr) && (topLevPtr != NULL)) {
- count = 4;
- objPtr[2] = (ClientData) topLevPtr->pathName;
- } else {
- count = 3;
- }
- if (allUid == NULL) {
- allUid = Tk_GetUid("all");
- }
- objPtr[count-1] = (ClientData) allUid;
- }
- Tk_BindEvent(winPtr->mainPtr->bindingTable, eventPtr, (Tk_Window) winPtr,
- count, objPtr);
- if (objPtr != objects) {
- ckfree((char *) objPtr);
- }
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_BindtagsCmd --
- *
- * This procedure is invoked to process the "bindtags" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- int
- Tk_BindtagsCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tk_Window tkwin = (Tk_Window) clientData;
- TkWindow *winPtr, *winPtr2;
- int i, tagArgc;
- char *p, **tagArgv;
-
- if ((argc < 2) || (argc > 3)) {
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " window ?tags?\"", (char *) NULL);
- return TCL_ERROR;
- }
- winPtr = (TkWindow *) Tk_NameToWindow(interp, argv[1], tkwin);
- if (winPtr == NULL) {
- return TCL_ERROR;
- }
- if (argc == 2) {
- #ifdef STk_CODE
- Tcl_AppendResult(interp, "(", NULL);
- #endif
- if (winPtr->numTags == 0) {
- #ifdef STk_CODE
- Tcl_AppendResult(interp, " #.", winPtr->pathName, NULL);
- Tcl_AppendResult(interp, " \"", winPtr->classUid, "\"", NULL);
- #else
- Tcl_AppendElement(interp, winPtr->pathName);
- Tcl_AppendElement(interp, winPtr->classUid);
- #endif
- for (winPtr2 = winPtr;
- (winPtr2 != NULL) && !(winPtr2->flags & TK_TOP_LEVEL);
- winPtr2 = winPtr2->parentPtr) {
- /* Empty loop body. */
- }
- if ((winPtr != winPtr2) && (winPtr2 != NULL)) {
- #ifdef STk_CODE
- Tcl_AppendResult(interp, " #.", winPtr2->pathName, NULL);
- #else
- Tcl_AppendElement(interp, winPtr2->pathName);
- #endif
- }
- #ifdef STk_CODE
- Tcl_AppendElement(interp, "\"all\"");
- #else
- Tcl_AppendElement(interp, "all");
- #endif
- } else {
- for (i = 0; i < winPtr->numTags; i++) {
- #ifdef STk_CODE
- char *s = winPtr->tagPtr[i];
-
- if (*s == '.')
- Tcl_AppendResult(interp, " #.", s, NULL);
- else
- Tcl_AppendResult(interp, " \"", s, "\"", NULL);
- #else
- Tcl_AppendElement(interp, (char *) winPtr->tagPtr[i]);
- #endif
- }
- }
- #ifdef STk_CODE
- Tcl_AppendResult(interp, ")", NULL);
- #endif
- return TCL_OK;
- }
- if (winPtr->tagPtr != NULL) {
- TkFreeBindingTags(winPtr);
- }
- if (argv[2][0] == 0) {
- return TCL_OK;
- }
- if (Tcl_SplitList(interp, argv[2], &tagArgc, &tagArgv) != TCL_OK) {
- return TCL_ERROR;
- }
- winPtr->numTags = tagArgc;
- winPtr->tagPtr = (ClientData *) ckalloc((unsigned)
- (tagArgc * sizeof(ClientData)));
- for (i = 0; i < tagArgc; i++) {
- p = tagArgv[i];
- if (p[0] == '.') {
- char *copy;
-
- /*
- * Handle names starting with "." specially: store a malloc'ed
- * string, rather than a Uid; at event time we'll look up the
- * name in the window table and use the corresponding window,
- * if there is one.
- */
-
- copy = (char *) ckalloc((unsigned) (strlen(p) + 1));
- strcpy(copy, p);
- winPtr->tagPtr[i] = (ClientData) copy;
- } else {
- winPtr->tagPtr[i] = (ClientData) Tk_GetUid(p);
- }
- }
- ckfree((char *) tagArgv);
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * TkFreeBindingTags --
- *
- * This procedure is called to free all of the binding tags
- * associated with a window; typically it is only invoked where
- * there are window-specific tags.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Any binding tags for winPtr are freed.
- *
- *----------------------------------------------------------------------
- */
-
- void
- TkFreeBindingTags(winPtr)
- TkWindow *winPtr; /* Window whose tags are to be released. */
- {
- int i;
- char *p;
-
- for (i = 0; i < winPtr->numTags; i++) {
- p = (char *) (winPtr->tagPtr[i]);
- if (*p == '.') {
- /*
- * Names starting with "." are malloced rather than Uids, so
- * they have to be freed.
- */
-
- ckfree(p);
- }
- }
- ckfree((char *) winPtr->tagPtr);
- winPtr->numTags = 0;
- winPtr->tagPtr = NULL;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_DestroyCmd --
- *
- * This procedure is invoked to process the "destroy" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- int
- Tk_DestroyCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with
- * interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tk_Window window;
- Tk_Window tkwin = (Tk_Window) clientData;
- int i;
-
- for (i = 1; i < argc; i++) {
- window = Tk_NameToWindow(interp, argv[i], tkwin);
- if (window == NULL) {
- return TCL_ERROR;
- }
- Tk_DestroyWindow(window);
- }
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_LowerCmd --
- *
- * This procedure is invoked to process the "lower" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- /* ARGSUSED */
- int
- Tk_LowerCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with
- * interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tk_Window main = (Tk_Window) clientData;
- Tk_Window tkwin, other;
-
- if ((argc != 2) && (argc != 3)) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " window ?belowThis?\"", (char *) NULL);
- return TCL_ERROR;
- }
-
- tkwin = Tk_NameToWindow(interp, argv[1], main);
- if (tkwin == NULL) {
- return TCL_ERROR;
- }
- if (argc == 2) {
- other = NULL;
- } else {
- other = Tk_NameToWindow(interp, argv[2], main);
- if (other == NULL) {
- return TCL_ERROR;
- }
- }
- if (Tk_RestackWindow(tkwin, Below, other) != TCL_OK) {
- Tcl_AppendResult(interp, "can't lower \"", argv[1], "\" below \"",
- argv[2], "\"", (char *) NULL);
- return TCL_ERROR;
- }
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_RaiseCmd --
- *
- * This procedure is invoked to process the "raise" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- /* ARGSUSED */
- int
- Tk_RaiseCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with
- * interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tk_Window main = (Tk_Window) clientData;
- Tk_Window tkwin, other;
-
- if ((argc != 2) && (argc != 3)) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " window ?aboveThis?\"", (char *) NULL);
- return TCL_ERROR;
- }
-
- tkwin = Tk_NameToWindow(interp, argv[1], main);
- if (tkwin == NULL) {
- return TCL_ERROR;
- }
- if (argc == 2) {
- other = NULL;
- } else {
- other = Tk_NameToWindow(interp, argv[2], main);
- if (other == NULL) {
- return TCL_ERROR;
- }
- }
- if (Tk_RestackWindow(tkwin, Above, other) != TCL_OK) {
- Tcl_AppendResult(interp, "can't raise \"", argv[1], "\" above \"",
- argv[2], "\"", (char *) NULL);
- return TCL_ERROR;
- }
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_TkCmd --
- *
- * This procedure is invoked to process the "tk" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- /* ARGSUSED */
- int
- Tk_TkCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with
- * interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- char c;
- size_t length;
- Tk_Window tkwin = (Tk_Window) clientData;
- TkWindow *winPtr;
-
- if (argc < 2) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " option ?arg?\"", (char *) NULL);
- return TCL_ERROR;
- }
- c = argv[1][0];
- length = strlen(argv[1]);
- if ((c == 'a') && (strncmp(argv[1], "appname", length) == 0)) {
- winPtr = ((TkWindow *) tkwin)->mainPtr->winPtr;
- if (argc > 3) {
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " appname ?newName?\"", (char *) NULL);
- return TCL_ERROR;
- }
- if (argc == 3) {
- winPtr->nameUid = Tk_GetUid(Tk_SetAppName(tkwin, argv[2]));
- }
- #ifdef STk_CODE
- STk_stringify_result(interp, winPtr->nameUid);
- #else
- interp->result = winPtr->nameUid;
- #endif
- } else {
- Tcl_AppendResult(interp, "bad option \"", argv[1],
- "\": must be appname", (char *) NULL);
- return TCL_ERROR;
- }
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_TkwaitCmd --
- *
- * This procedure is invoked to process the "tkwait" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- /* ARGSUSED */
- int
- Tk_TkwaitCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with
- * interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tk_Window tkwin = (Tk_Window) clientData;
- int c, done;
- size_t length;
-
- if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " variable|visibility|window name\"", (char *) NULL);
- return TCL_ERROR;
- }
- c = argv[1][0];
- length = strlen(argv[1]);
- if ((c == 'v') && (strncmp(argv[1], "variable", length) == 0)
- && (length >= 2)) {
- if (Tcl_TraceVar(interp, argv[2],
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- WaitVariableProc, (ClientData) &done) != TCL_OK) {
- return TCL_ERROR;
- }
- done = 0;
- while (!done) {
- Tcl_DoOneEvent(0);
- }
- Tcl_UntraceVar(interp, argv[2],
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- WaitVariableProc, (ClientData) &done);
- } else if ((c == 'v') && (strncmp(argv[1], "visibility", length) == 0)
- && (length >= 2)) {
- Tk_Window window;
-
- window = Tk_NameToWindow(interp, argv[2], tkwin);
- if (window == NULL) {
- return TCL_ERROR;
- }
- Tk_CreateEventHandler(window, VisibilityChangeMask|StructureNotifyMask,
- WaitVisibilityProc, (ClientData) &done);
- done = 0;
- while (!done) {
- Tcl_DoOneEvent(0);
- }
- if (done != 1) {
- /*
- * Note that we do not delete the event handler because it
- * was deleted automatically when the window was destroyed.
- */
-
- Tcl_ResetResult(interp);
- Tcl_AppendResult(interp, "window \"", argv[2],
- "\" was deleted before its visibility changed",
- (char *) NULL);
- return TCL_ERROR;
- }
- Tk_DeleteEventHandler(window, VisibilityChangeMask|StructureNotifyMask,
- WaitVisibilityProc, (ClientData) &done);
- } else if ((c == 'w') && (strncmp(argv[1], "window", length) == 0)) {
- Tk_Window window;
-
- window = Tk_NameToWindow(interp, argv[2], tkwin);
- if (window == NULL) {
- return TCL_ERROR;
- }
- Tk_CreateEventHandler(window, StructureNotifyMask,
- WaitWindowProc, (ClientData) &done);
- done = 0;
- while (!done) {
- Tcl_DoOneEvent(0);
- }
- /*
- * Note: there's no need to delete the event handler. It was
- * deleted automatically when the window was destroyed.
- */
- } else {
- Tcl_AppendResult(interp, "bad option \"", argv[1],
- "\": must be variable, visibility, or window", (char *) NULL);
- return TCL_ERROR;
- }
-
- /*
- * Clear out the interpreter's result, since it may have been set
- * by event handlers.
- */
-
- Tcl_ResetResult(interp);
- return TCL_OK;
- }
-
- /* ARGSUSED */
- static char *
- WaitVariableProc(clientData, interp, name1, name2, flags)
- ClientData clientData; /* Pointer to integer to set to 1. */
- Tcl_Interp *interp; /* Interpreter containing variable. */
- char *name1; /* Name of variable. */
- char *name2; /* Second part of variable name. */
- int flags; /* Information about what happened. */
- {
- int *donePtr = (int *) clientData;
-
- *donePtr = 1;
- return (char *) NULL;
- }
-
- /*ARGSUSED*/
- static void
- WaitVisibilityProc(clientData, eventPtr)
- ClientData clientData; /* Pointer to integer to set to 1. */
- XEvent *eventPtr; /* Information about event (not used). */
- {
- int *donePtr = (int *) clientData;
-
- if (eventPtr->type == VisibilityNotify) {
- *donePtr = 1;
- }
- if (eventPtr->type == DestroyNotify) {
- *donePtr = 2;
- }
- }
-
- static void
- WaitWindowProc(clientData, eventPtr)
- ClientData clientData; /* Pointer to integer to set to 1. */
- XEvent *eventPtr; /* Information about event. */
- {
- int *donePtr = (int *) clientData;
-
- if (eventPtr->type == DestroyNotify) {
- *donePtr = 1;
- }
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_UpdateCmd --
- *
- * This procedure is invoked to process the "update" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- /* ARGSUSED */
- int
- Tk_UpdateCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with
- * interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tk_Window tkwin = (Tk_Window) clientData;
- int flags;
- Display *display;
-
- if (argc == 1) {
- flags = TCL_DONT_WAIT;
- } else if (argc == 2) {
- if (strncmp(argv[1], "idletasks", strlen(argv[1])) != 0) {
- Tcl_AppendResult(interp, "bad option \"", argv[1],
- "\": must be idletasks", (char *) NULL);
- return TCL_ERROR;
- }
- flags = TCL_IDLE_EVENTS;
- } else {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " ?idletasks?\"", (char *) NULL);
- return TCL_ERROR;
- }
-
- /*
- * Handle all pending events, sync the display, and repeat over
- * and over again until all pending events have been handled.
- * Special note: it's possible that the entire application could
- * be destroyed by an event handler that occurs during the update.
- * Thus, don't use any information from tkwin after calling
- * Tcl_DoOneEvent.
- */
-
- display = Tk_Display(tkwin);
- while (1) {
- while (Tcl_DoOneEvent(flags) != 0) {
- /* Empty loop body */
- }
- XSync(display, False);
- if (Tcl_DoOneEvent(flags) == 0) {
- break;
- }
- }
-
- /*
- * Must clear the interpreter's result because event handlers could
- * have executed commands.
- */
-
- Tcl_ResetResult(interp);
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * Tk_WinfoCmd --
- *
- * This procedure is invoked to process the "winfo" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- int
- Tk_WinfoCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Main window associated with
- * interpreter. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tk_Window tkwin = (Tk_Window) clientData;
- size_t length;
- char c, *argName;
- Tk_Window window;
- register TkWindow *winPtr;
-
- #define SETUP(name) \
- if (argc != 3) {\
- argName = name; \
- goto wrongArgs; \
- } \
- window = Tk_NameToWindow(interp, argv[2], tkwin); \
- if (window == NULL) { \
- return TCL_ERROR; \
- }
-
- if (argc < 2) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " option ?arg?\"", (char *) NULL);
- return TCL_ERROR;
- }
- c = argv[1][0];
- length = strlen(argv[1]);
- if ((c == 'a') && (strcmp(argv[1], "atom") == 0)) {
- char *atomName;
-
- if (argc == 3) {
- atomName = argv[2];
- } else if (argc == 5) {
- atomName = argv[4];
- tkwin = GetDisplayOf(interp, tkwin, argv+2);
- if (tkwin == NULL) {
- return TCL_ERROR;
- }
- } else {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " atom ?-displayof window? name\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- sprintf(interp->result, "%ld", Tk_InternAtom(tkwin, atomName));
- } else if ((c == 'a') && (strncmp(argv[1], "atomname", length) == 0)
- && (length >= 5)) {
- Atom atom;
- char *name, *id;
-
- if (argc == 3) {
- id = argv[2];
- } else if (argc == 5) {
- id = argv[4];
- tkwin = GetDisplayOf(interp, tkwin, argv+2);
- if (tkwin == NULL) {
- return TCL_ERROR;
- }
- } else {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " atomname ?-displayof window? id\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- if (Tcl_GetInt(interp, id, (int *) &atom) != TCL_OK) {
- return TCL_ERROR;
- }
- name = Tk_GetAtomName(tkwin, atom);
- if (strcmp(name, "?bad atom?") == 0) {
- Tcl_AppendResult(interp, "no atom exists with id \"",
- argv[2], "\"", (char *) NULL);
- return TCL_ERROR;
- }
- #ifdef STk_CODE
- STk_stringify_result(interp, name);
- #else
- interp->result = name;
- #endif
- } else if ((c == 'c') && (strncmp(argv[1], "cells", length) == 0)
- && (length >= 2)) {
- SETUP("cells");
- sprintf(interp->result, "%d", Tk_Visual(window)->map_entries);
- } else if ((c == 'c') && (strncmp(argv[1], "children", length) == 0)
- && (length >= 2)) {
- SETUP("children");
- #ifdef STk_CODE
- Tcl_AppendElement(interp, "#.(list ");
- #endif
- for (winPtr = ((TkWindow *) window)->childList; winPtr != NULL;
- winPtr = winPtr->nextPtr) {
- Tcl_AppendElement(interp, winPtr->pathName);
- }
- #ifdef STk_CODE
- Tcl_AppendElement(interp, ")");
- #endif
- } else if ((c == 'c') && (strncmp(argv[1], "class", length) == 0)
- && (length >= 2)) {
- SETUP("class");
- #ifdef STk_CODE
- STk_stringify_result(interp, Tk_Class(window));
- #else
- interp->result = Tk_Class(window);
- #endif
- } else if ((c == 'c') && (strncmp(argv[1], "colormapfull", length) == 0)
- && (length >= 3)) {
- SETUP("colormapfull");
- interp->result = (TkCmapStressed(window, Tk_Colormap(window)))
- #ifdef STk_CODE
- ? "#t" : "#f";
- #else
- ? "1" : "0";
- #endif
- } else if ((c == 'c') && (strncmp(argv[1], "containing", length) == 0)
- && (length >= 3)) {
- int rootX, rootY, index;
-
- if (argc == 4) {
- index = 2;
- } else if (argc == 6) {
- index = 4;
- tkwin = GetDisplayOf(interp, tkwin, argv+2);
- if (tkwin == NULL) {
- return TCL_ERROR;
- }
- } else {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " containing ?-displayof window? rootX rootY\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- if ((Tk_GetPixels(interp, tkwin, argv[index], &rootX) != TCL_OK)
- || (Tk_GetPixels(interp, tkwin, argv[index+1], &rootY)
- != TCL_OK)) {
- return TCL_ERROR;
- }
- window = Tk_CoordsToWindow(rootX, rootY, tkwin);
- if (window != NULL) {
- #ifdef STk_CODE
- STk_sharp_dot_result(interp, Tk_PathName(window));
- }
- else {
- interp->result = "#f";
- #else
- interp->result = Tk_PathName(window);
- #endif
- }
- } else if ((c == 'd') && (strncmp(argv[1], "depth", length) == 0)) {
- SETUP("depth");
- sprintf(interp->result, "%d", Tk_Depth(window));
- } else if ((c == 'e') && (strncmp(argv[1], "exists", length) == 0)) {
- if (argc != 3) {
- argName = "exists";
- goto wrongArgs;
- }
- window = Tk_NameToWindow(interp, argv[2], tkwin);
- if ((window == NULL)
- || (((TkWindow *) window)->flags & TK_ALREADY_DEAD)) {
- #ifdef STk_CODE
- interp->result = "#f";
- #else
- interp->result = "0";
- #endif
- } else {
- #ifdef STk_CODE
- interp->result = "#t";
- #else
- interp->result = "1";
- #endif
- }
- } else if ((c == 'f') && (strncmp(argv[1], "fpixels", length) == 0)
- && (length >= 2)) {
- double mm, pixels;
-
- if (argc != 4) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " fpixels window number\"", (char *) NULL);
- return TCL_ERROR;
- }
- window = Tk_NameToWindow(interp, argv[2], tkwin);
- if (window == NULL) {
- return TCL_ERROR;
- }
- if (Tk_GetScreenMM(interp, window, argv[3], &mm) != TCL_OK) {
- return TCL_ERROR;
- }
- pixels = mm * WidthOfScreen(Tk_Screen(window))
- / WidthMMOfScreen(Tk_Screen(window));
- Tcl_PrintDouble(interp, pixels, interp->result);
- } else if ((c == 'g') && (strncmp(argv[1], "geometry", length) == 0)) {
- SETUP("geometry");
- sprintf(interp->result, "%dx%d+%d+%d", Tk_Width(window),
- Tk_Height(window), Tk_X(window), Tk_Y(window));
- } else if ((c == 'h') && (strncmp(argv[1], "height", length) == 0)) {
- SETUP("height");
- sprintf(interp->result, "%d", Tk_Height(window));
- } else if ((c == 'i') && (strcmp(argv[1], "id") == 0)) {
- SETUP("id");
- Tk_MakeWindowExist(window);
- #ifdef STk_CODE
- sprintf(interp->result, "#x%x", (unsigned int) Tk_WindowId(window));
- #else
- sprintf(interp->result, "0x%x", (unsigned int) Tk_WindowId(window));
- #endif
- } else if ((c == 'i') && (strncmp(argv[1], "interps", length) == 0)
- && (length >= 2)) {
- if (argc == 4) {
- tkwin = GetDisplayOf(interp, tkwin, argv+2);
- if (tkwin == NULL) {
- return TCL_ERROR;
- }
- } else if (argc != 2) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " interps ?-displayof window?\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- return TkGetInterpNames(interp, tkwin);
- } else if ((c == 'i') && (strncmp(argv[1], "ismapped", length) == 0)
- && (length >= 2)) {
- SETUP("ismapped");
- #ifdef STk_CODE
- interp->result = Tk_IsMapped(window) ? "#t" : "#f";
- #else
- interp->result = Tk_IsMapped(window) ? "1" : "0";
- #endif
- } else if ((c == 'm') && (strncmp(argv[1], "manager", length) == 0)) {
- SETUP("manager");
- winPtr = (TkWindow *) window;
- if (winPtr->geomMgrPtr != NULL) {
- #ifdef STk_CODE
- STk_stringify_result(interp, winPtr->geomMgrPtr->name);
- }
- else
- interp->result = "#f";
- #else
- interp->result = winPtr->geomMgrPtr->name;
- }
- #endif
- } else if ((c == 'n') && (strncmp(argv[1], "name", length) == 0)) {
- SETUP("name");
- #ifdef STk_CODE
- STk_stringify_result(interp, Tk_Name(window));
- #else
- interp->result = Tk_Name(window);
- #endif
- } else if ((c == 'p') && (strncmp(argv[1], "parent", length) == 0)) {
- SETUP("parent");
- winPtr = (TkWindow *) window;
- if (winPtr->parentPtr != NULL) {
- #ifdef STk_CODE
- STk_sharp_dot_result(interp, winPtr->parentPtr->pathName);
- #else
- interp->result = winPtr->parentPtr->pathName;
- #endif
- }
- } else if ((c == 'p') && (strncmp(argv[1], "pathname", length) == 0)
- && (length >= 2)) {
- int index, id;
-
- if (argc == 3) {
- index = 2;
- } else if (argc == 5) {
- index = 4;
- tkwin = GetDisplayOf(interp, tkwin, argv+2);
- if (tkwin == NULL) {
- return TCL_ERROR;
- }
- } else {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " pathname ?-displayof window? id\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- if (Tcl_GetInt(interp, argv[index], &id) != TCL_OK) {
- return TCL_ERROR;
- }
- window = Tk_IdToWindow(Tk_Display(tkwin), (Window) id);
- if ((window == NULL) || (((TkWindow *) window)->mainPtr
- != ((TkWindow *) tkwin)->mainPtr)) {
- Tcl_AppendResult(interp, "window id \"", argv[index],
- "\" doesn't exist in this application", (char *) NULL);
- return TCL_ERROR;
- }
- #ifdef STk_CODE
- STk_stringify_result(interp, Tk_PathName(window));
- #else
- interp->result = Tk_PathName(window);
- #endif
- } else if ((c == 'p') && (strncmp(argv[1], "pixels", length) == 0)
- && (length >= 2)) {
- int pixels;
-
- if (argc != 4) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " pixels window number\"", (char *) NULL);
- return TCL_ERROR;
- }
- window = Tk_NameToWindow(interp, argv[2], tkwin);
- if (window == NULL) {
- return TCL_ERROR;
- }
- if (Tk_GetPixels(interp, window, argv[3], &pixels) != TCL_OK) {
- return TCL_ERROR;
- }
- sprintf(interp->result, "%d", pixels);
- } else if ((c == 'p') && (strcmp(argv[1], "pointerx") == 0)) {
- int x, y;
-
- SETUP("pointerx");
- winPtr = GetToplevel(window);
- if (winPtr == NULL) {
- x = -1;
- } else {
- TkGetPointerCoords((Tk_Window)winPtr, &x, &y);
- }
- sprintf(interp->result, "%d", x);
- } else if ((c == 'p') && (strcmp(argv[1], "pointerxy") == 0)) {
- int x, y;
-
- SETUP("pointerxy");
- winPtr = GetToplevel(window);
- if (winPtr == NULL) {
- x = -1;
- } else {
- TkGetPointerCoords((Tk_Window)winPtr, &x, &y);
- }
- sprintf(interp->result, "%d %d", x, y);
- } else if ((c == 'p') && (strcmp(argv[1], "pointery") == 0)) {
- int x, y;
-
- SETUP("pointery");
- winPtr = GetToplevel(window);
- if (winPtr == NULL) {
- y = -1;
- } else {
- TkGetPointerCoords((Tk_Window)winPtr, &x, &y);
- }
- sprintf(interp->result, "%d", y);
- } else if ((c == 'r') && (strncmp(argv[1], "reqheight", length) == 0)
- && (length >= 4)) {
- SETUP("reqheight");
- sprintf(interp->result, "%d", Tk_ReqHeight(window));
- } else if ((c == 'r') && (strncmp(argv[1], "reqwidth", length) == 0)
- && (length >= 4)) {
- SETUP("reqwidth");
- sprintf(interp->result, "%d", Tk_ReqWidth(window));
- } else if ((c == 'r') && (strncmp(argv[1], "rgb", length) == 0)
- && (length >= 2)) {
- XColor *colorPtr;
-
- if (argc != 4) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " rgb window colorName\"", (char *) NULL);
- return TCL_ERROR;
- }
- window = Tk_NameToWindow(interp, argv[2], tkwin);
- if (window == NULL) {
- return TCL_ERROR;
- }
- colorPtr = Tk_GetColor(interp, window, argv[3]);
- if (colorPtr == NULL) {
- return TCL_ERROR;
- }
- sprintf(interp->result, "%d %d %d", colorPtr->red, colorPtr->green,
- colorPtr->blue);
- Tk_FreeColor(colorPtr);
- } else if ((c == 'r') && (strcmp(argv[1], "rootx") == 0)) {
- int x, y;
-
- SETUP("rootx");
- Tk_GetRootCoords(window, &x, &y);
- sprintf(interp->result, "%d", x);
- } else if ((c == 'r') && (strcmp(argv[1], "rooty") == 0)) {
- int x, y;
-
- SETUP("rooty");
- Tk_GetRootCoords(window, &x, &y);
- sprintf(interp->result, "%d", y);
- } else if ((c == 's') && (strcmp(argv[1], "screen") == 0)) {
- char string[20];
-
- SETUP("screen");
- sprintf(string, "%d", Tk_ScreenNumber(window));
- Tcl_AppendResult(interp, Tk_DisplayName(window), ".", string,
- (char *) NULL);
- #ifdef STk_CODE
- STk_stringify_result(interp, interp->result);
- #endif
- } else if ((c == 's') && (strncmp(argv[1], "screencells", length) == 0)
- && (length >= 7)) {
- SETUP("screencells");
- sprintf(interp->result, "%d", CellsOfScreen(Tk_Screen(window)));
- } else if ((c == 's') && (strncmp(argv[1], "screendepth", length) == 0)
- && (length >= 7)) {
- SETUP("screendepth");
- sprintf(interp->result, "%d", DefaultDepthOfScreen(Tk_Screen(window)));
- } else if ((c == 's') && (strncmp(argv[1], "screenheight", length) == 0)
- && (length >= 7)) {
- SETUP("screenheight");
- sprintf(interp->result, "%d", HeightOfScreen(Tk_Screen(window)));
- } else if ((c == 's') && (strncmp(argv[1], "screenmmheight", length) == 0)
- && (length >= 9)) {
- SETUP("screenmmheight");
- sprintf(interp->result, "%d", HeightMMOfScreen(Tk_Screen(window)));
- } else if ((c == 's') && (strncmp(argv[1], "screenmmwidth", length) == 0)
- && (length >= 9)) {
- SETUP("screenmmwidth");
- sprintf(interp->result, "%d", WidthMMOfScreen(Tk_Screen(window)));
- } else if ((c == 's') && (strncmp(argv[1], "screenvisual", length) == 0)
- && (length >= 7)) {
- SETUP("screenvisual");
- switch (DefaultVisualOfScreen(Tk_Screen(window))->class) {
- case PseudoColor: interp->result = "pseudocolor"; break;
- case GrayScale: interp->result = "grayscale"; break;
- case DirectColor: interp->result = "directcolor"; break;
- case TrueColor: interp->result = "truecolor"; break;
- case StaticColor: interp->result = "staticcolor"; break;
- case StaticGray: interp->result = "staticgray"; break;
- default: interp->result = "unknown"; break;
- }
- } else if ((c == 's') && (strncmp(argv[1], "screenwidth", length) == 0)
- && (length >= 7)) {
- SETUP("screenwidth");
- sprintf(interp->result, "%d", WidthOfScreen(Tk_Screen(window)));
- } else if ((c == 's') && (strncmp(argv[1], "server", length) == 0)
- && (length >= 2)) {
- SETUP("server");
- TkGetServerInfo(interp, window);
- #ifdef STk_CODE
- {
- char *s = (char*) STk_stringify(interp->result, 0);
- Tcl_SetResult(interp, s, TCL_VOLATILE);
- }
- #endif
- } else if ((c == 't') && (strncmp(argv[1], "toplevel", length) == 0)) {
- SETUP("toplevel");
- winPtr = GetToplevel(window);
- if (winPtr != NULL) {
- #ifdef STk_CODE
- STk_sharp_dot_result(interp, winPtr->pathName);
- #else
- interp->result = winPtr->pathName;
- #endif
- }
- } else if ((c == 'v') && (strncmp(argv[1], "viewable", length) == 0)
- && (length >= 3)) {
- SETUP("viewable");
- for (winPtr = (TkWindow *) window; ; winPtr = winPtr->parentPtr) {
- if ((winPtr == NULL) || !(winPtr->flags & TK_MAPPED)) {
- #ifdef STk_CODE
- interp->result = "#f";
- #else
- interp->result = "0";
- #endif
- break;
- }
- if (winPtr->flags & TK_TOP_LEVEL) {
- #ifdef STk_CODE
- interp->result = "#t";
- #else
- interp->result = "1";
- #endif
- break;
- }
- }
- } else if ((c == 'v') && (strcmp(argv[1], "visual") == 0)) {
- SETUP("visual");
- switch (Tk_Visual(window)->class) {
- case PseudoColor: interp->result = "pseudocolor"; break;
- case GrayScale: interp->result = "grayscale"; break;
- case DirectColor: interp->result = "directcolor"; break;
- case TrueColor: interp->result = "truecolor"; break;
- case StaticColor: interp->result = "staticcolor"; break;
- case StaticGray: interp->result = "staticgray"; break;
- default: interp->result = "unknown"; break;
- }
- } else if ((c == 'v') && (strncmp(argv[1], "visualid", length) == 0)
- && (length >= 7)) {
- SETUP("visualid");
- sprintf(interp->result, "0x%x", (unsigned int)
- XVisualIDFromVisual(Tk_Visual(window)));
- } else if ((c == 'v') && (strncmp(argv[1], "visualsavailable", length) == 0)
- && (length >= 7)) {
- XVisualInfo template, *visInfoPtr;
- int count, i;
- char string[70], visualIdString[16], *fmt;
- int includeVisualId;
-
- if (argc == 3) {
- includeVisualId = 0;
- } else if ((argc == 4)
- && (strncmp(argv[3], "includeids", strlen(argv[3])) == 0)) {
- includeVisualId = 1;
- } else {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " visualsavailable window ?includeids?\"",
- (char *) NULL);
- return TCL_ERROR;
- }
-
- window = Tk_NameToWindow(interp, argv[2], tkwin);
- if (window == NULL) {
- return TCL_ERROR;
- }
-
- template.screen = Tk_ScreenNumber(window);
- visInfoPtr = XGetVisualInfo(Tk_Display(window), VisualScreenMask,
- &template, &count);
- if (visInfoPtr == NULL) {
- interp->result = "can't find any visuals for screen";
- return TCL_ERROR;
- }
- for (i = 0; i < count; i++) {
- switch (visInfoPtr[i].class) {
- case PseudoColor: fmt = "pseudocolor %d"; break;
- case GrayScale: fmt = "grayscale %d"; break;
- case DirectColor: fmt = "directcolor %d"; break;
- case TrueColor: fmt = "truecolor %d"; break;
- case StaticColor: fmt = "staticcolor %d"; break;
- case StaticGray: fmt = "staticgray %d"; break;
- default: fmt = "unknown"; break;
- }
- sprintf(string, fmt, visInfoPtr[i].depth);
- if (includeVisualId) {
- sprintf(visualIdString, " 0x%x",
- (unsigned int) visInfoPtr[i].visualid);
- strcat(string, visualIdString);
- }
- Tcl_AppendElement(interp, string);
- }
- XFree((char *) visInfoPtr);
- } else if ((c == 'v') && (strncmp(argv[1], "vrootheight", length) == 0)
- && (length >= 6)) {
- int x, y;
- int width, height;
-
- SETUP("vrootheight");
- Tk_GetVRootGeometry(window, &x, &y, &width, &height);
- sprintf(interp->result, "%d", height);
- } else if ((c == 'v') && (strncmp(argv[1], "vrootwidth", length) == 0)
- && (length >= 6)) {
- int x, y;
- int width, height;
-
- SETUP("vrootwidth");
- Tk_GetVRootGeometry(window, &x, &y, &width, &height);
- sprintf(interp->result, "%d", width);
- } else if ((c == 'v') && (strcmp(argv[1], "vrootx") == 0)) {
- int x, y;
- int width, height;
-
- SETUP("vrootx");
- Tk_GetVRootGeometry(window, &x, &y, &width, &height);
- sprintf(interp->result, "%d", x);
- } else if ((c == 'v') && (strcmp(argv[1], "vrooty") == 0)) {
- int x, y;
- int width, height;
-
- SETUP("vrooty");
- Tk_GetVRootGeometry(window, &x, &y, &width, &height);
- sprintf(interp->result, "%d", y);
- } else if ((c == 'w') && (strncmp(argv[1], "width", length) == 0)) {
- SETUP("width");
- sprintf(interp->result, "%d", Tk_Width(window));
- } else if ((c == 'x') && (argv[1][1] == '\0')) {
- SETUP("x");
- sprintf(interp->result, "%d", Tk_X(window));
- } else if ((c == 'y') && (argv[1][1] == '\0')) {
- SETUP("y");
- sprintf(interp->result, "%d", Tk_Y(window));
- } else {
- Tcl_AppendResult(interp, "bad option \"", argv[1],
- "\": must be atom, atomname, cells, children, ",
- "class, colormapfull, containing, depth, exists, fpixels, ",
- "geometry, height, ",
- "id, interps, ismapped, manager, name, parent, pathname, ",
- "pixels, pointerx, pointerxy, pointery, reqheight, ",
- "reqwidth, rgb, ",
- "rootx, rooty, ",
- "screen, screencells, screendepth, screenheight, ",
- "screenmmheight, screenmmwidth, screenvisual, ",
- "screenwidth, server, ",
- "toplevel, viewable, visual, visualid, visualsavailable, ",
- "vrootheight, vrootwidth, vrootx, vrooty, ",
- "width, x, or y", (char *) NULL);
- return TCL_ERROR;
- }
- return TCL_OK;
-
- wrongArgs:
- Tcl_AppendResult(interp, "wrong # arguments: must be \"",
- argv[0], " ", argName, " window\"", (char *) NULL);
- return TCL_ERROR;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * GetDisplayOf --
- *
- * Parses a "-displayof" option for the "winfo" command.
- *
- * Results:
- * The return value is a token for the window specified in
- * argv[1]. If argv[0] and argv[1] couldn't be parsed, NULL
- * is returned and an error is left in interp->result.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- static Tk_Window
- GetDisplayOf(interp, tkwin, argv)
- Tcl_Interp *interp; /* Interpreter for error reporting. */
- Tk_Window tkwin; /* Window to use for looking up window
- * given in argv[1]. */
- char **argv; /* Array of two strings. First must be
- * "-displayof" or an abbreviation, second
- * must be window name. */
- {
- size_t length;
-
- length = strlen(argv[0]);
- if ((length < 2) || (strncmp(argv[0], "-displayof", length) != 0)) {
- Tcl_AppendResult(interp, "bad argument \"", argv[0],
- "\": must be -displayof", (char *) NULL);
- return (Tk_Window) NULL;
- }
- return Tk_NameToWindow(interp, argv[1], tkwin);
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * TkDeadAppCmd --
- *
- * If an application has been deleted then all Tk commands will be
- * re-bound to this procedure.
- *
- * Results:
- * A standard Tcl error is reported to let the user know that
- * the application is dead.
- *
- * Side effects:
- * See the user documentation.
- *
- *----------------------------------------------------------------------
- */
-
- /* ARGSUSED */
- int
- TkDeadAppCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Dummy. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Tcl_AppendResult(interp, "can't invoke \"", argv[0],
- "\" command: application has been destroyed", (char *) NULL);
- return TCL_ERROR;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * GetToplevel --
- *
- * Retrieves the toplevel window which is the nearest ancestor of
- * of the specified window.
- *
- * Results:
- * Returns the toplevel window or NULL if the window has no
- * ancestor which is a toplevel.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- static TkWindow *
- GetToplevel(tkwin)
- Tk_Window tkwin; /* Window for which the toplevel should be
- * deterined. */
- {
- TkWindow *winPtr = (TkWindow *) tkwin;
-
- while (!(winPtr->flags & TK_TOP_LEVEL)) {
- winPtr = winPtr->parentPtr;
- if (winPtr == NULL) {
- return NULL;
- }
- }
- return winPtr;
- }
-