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ckCmds.c
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ckCmds.c
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/*
* ckCmds.c --
*
* This file contains a collection of Ck-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) 1994-1995 Sun Microsystems, Inc.
* Copyright (c) 1995 Christian Werner
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include <stdio.h>
#include "ckPort.h"
#include "ck.h"
static char * WaitVariableProc _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, char *name1, char *name2,
int flags));
static void WaitVisibilityProc _ANSI_ARGS_((ClientData clientData,
CkEvent *eventPtr));
static void WaitWindowProc _ANSI_ARGS_((ClientData clientData,
CkEvent *eventPtr));
/*
*----------------------------------------------------------------------
*
* Ck_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
Ck_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. */
{
CkWindow *winPtr;
CkWindow *mainPtr = (CkWindow *) clientData;
int i;
for (i = 1; i < argc; i++) {
winPtr = Ck_NameToWindow(interp, argv[i], mainPtr);
if (winPtr == NULL)
return TCL_ERROR;
Ck_DestroyWindow(winPtr);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Ck_ExitCmd --
*
* This procedure is invoked to process the "exit" Tcl command.
* See the user documentation for details on what it does.
* Note: this command replaces the Tcl "exit" command in order
* to properly destroy all windows.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
int
Ck_ExitCmd(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. */
{
extern CkMainInfo *ckMainInfo;
int index = 1, noclear = 0, value = 0;
if (argc > 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ?-noclear? ?returnCode?\"", (char *) NULL);
return TCL_ERROR;
}
if (argc > 1 && strcmp(argv[1], "-noclear") == 0) {
index++;
noclear++;
}
if (argc > index &&
Tcl_GetInt(interp, argv[index], &value) != TCL_OK) {
return TCL_ERROR;
}
if (ckMainInfo != NULL) {
if (noclear) {
ckMainInfo->flags |= CK_NOCLR_ON_EXIT;
} else {
ckMainInfo->flags &= ~CK_NOCLR_ON_EXIT;
}
Ck_DestroyWindow((CkWindow *) clientData);
}
endwin(); /* just in case */
#if (TCL_MAJOR_VERSION >= 8)
Tcl_Exit(value);
#else
exit(value);
#endif
/* NOTREACHED */
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Ck_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.
*
*----------------------------------------------------------------------
*/
int
Ck_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. */
{
CkWindow *mainPtr = (CkWindow *) clientData;
CkWindow *winPtr, *other;
if ((argc != 2) && (argc != 3)) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " window ?belowThis?\"", (char *) NULL);
return TCL_ERROR;
}
winPtr = Ck_NameToWindow(interp, argv[1], mainPtr);
if (winPtr == NULL)
return TCL_ERROR;
if (argc == 2)
other = NULL;
else {
other = Ck_NameToWindow(interp, argv[2], mainPtr);
if (other == NULL)
return TCL_ERROR;
}
if (Ck_RestackWindow(winPtr, CK_BELOW, other) != TCL_OK) {
Tcl_AppendResult(interp, "can't lower \"", argv[1], "\" below \"",
argv[2], "\"", (char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Ck_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.
*
*----------------------------------------------------------------------
*/
int
Ck_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. */
{
CkWindow *mainPtr = (CkWindow *) clientData;
CkWindow *winPtr, *other;
if ((argc != 2) && (argc != 3)) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " window ?aboveThis?\"", (char *) NULL);
return TCL_ERROR;
}
winPtr = Ck_NameToWindow(interp, argv[1], mainPtr);
if (winPtr == NULL)
return TCL_ERROR;
if (argc == 2)
other = NULL;
else {
other = Ck_NameToWindow(interp, argv[2], mainPtr);
if (other == NULL)
return TCL_ERROR;
}
if (Ck_RestackWindow(winPtr, CK_ABOVE, other) != TCL_OK) {
Tcl_AppendResult(interp, "can't raise \"", argv[1], "\" above \"",
argv[2], "\"", (char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Ck_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
Ck_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. */
{
beep();
doupdate();
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Ck_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.
*
*----------------------------------------------------------------------
*/
int
Ck_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. */
{
CkWindow *mainPtr = (CkWindow *) clientData;
int flags;
if (argc == 1)
flags = TK_DONT_WAIT;
else if (argc == 2) {
if (strncmp(argv[1], "screen", strlen(argv[1])) == 0) {
wrefresh(curscr);
Ck_EventuallyRefresh(mainPtr);
return TCL_OK;
}
if (strncmp(argv[1], "idletasks", strlen(argv[1])) != 0) {
Tcl_AppendResult(interp, "bad argument \"", argv[1],
"\": must be idletasks or screen", (char *) NULL);
return TCL_ERROR;
}
flags = TK_IDLE_EVENTS;
} else {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " ?idletasks|screen?\"", (char *) NULL);
return TCL_ERROR;
}
/*
* Handle all pending events, and repeat over and over
* again until all pending events have been handled.
*/
while (Tk_DoOneEvent(flags) != 0) {
/* Empty loop body */
}
/*
* Must clear the interpreter's result because event handlers could
* have executed commands.
*/
Tcl_ResetResult(interp);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Ck_CursesCmd --
*
* This procedure is invoked to process the "curses" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
int
Ck_CursesCmd(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. */
{
CkWindow *winPtr = (CkWindow *) clientData;
CkMainInfo *mainPtr = winPtr->mainPtr;
int length;
char c;
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 == 'b') && (strncmp(argv[1], "barcode", length) == 0)) {
return CkBarcodeCmd(clientData, interp, argc, argv);
} else if ((c == 'b') && (strncmp(argv[1], "baudrate", length) == 0)) {
char buf[32];
if (argc != 2) {
Tcl_AppendResult(interp, "wrong # args: must be \"", argv[0],
" ", argv[1], "\"", (char *) NULL);
return TCL_ERROR;
}
sprintf(buf, "%d", baudrate());
Tcl_AppendResult(interp, buf, (char *) NULL);
return TCL_OK;
} else if ((c == 'e') && (strncmp(argv[1], "encoding", length) == 0)) {
if (argc == 2)
return Ck_GetEncoding(interp);
else if (argc == 3)
return Ck_SetEncoding(interp, argv[2]);
else {
Tcl_AppendResult(interp, "wrong # args: must be \"", argv[0],
" ", argv[1], " ?name?\"", (char *) NULL);
return TCL_ERROR;
}
} else if ((c == 'g') && (strncmp(argv[1], "gchar", length) == 0)) {
long gchar;
int gc;
if (argc == 3) {
char resultbuf[64];
if (Ck_GetGChar(interp, argv[2], &gchar) != TCL_OK)
return TCL_ERROR;
snprintf(resultbuf, sizeof(resultbuf), "%ld", gchar);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if (argc == 4) {
if (Tcl_GetInt(interp, argv[3], &gc) != TCL_OK)
return TCL_ERROR;
gchar = gc;
if (Ck_SetGChar(interp, argv[2], gchar) != TCL_OK)
return TCL_ERROR;
} else {
Tcl_AppendResult(interp, "wrong # args: must be \"", argv[0],
" ", argv[1], " charName ?value?\"", (char *) NULL);
return TCL_ERROR;
}
} else if ((c == 'h') && (strncmp(argv[1], "haskey", length) == 0)) {
if (argc > 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " haskey ?keySym?\"", (char *) NULL);
return TCL_ERROR;
}
if (argc == 2)
return CkAllKeyNames(interp);
return CkTermHasKey(interp, argv[2]);
} else if ((c == 'p') && (strncmp(argv[1], "purgeinput", length) == 0)) {
if (argc != 2) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " purgeinput\"", (char *) NULL);
return TCL_ERROR;
}
while (getch() != ERR) {
/* Empty loop body. */
}
return TCL_OK;
} else if ((c == 'r') && (strncmp(argv[1], "refreshdelay", length) == 0)) {
if (argc == 2) {
char buf[32];
sprintf(buf, "%d", mainPtr->refreshDelay);
Tcl_AppendResult(interp, buf, (char *) NULL);
return TCL_OK;
} else if (argc == 3) {
int delay;
if (Tcl_GetInt(interp, argv[2], &delay) != TCL_OK)
return TCL_ERROR;
mainPtr->refreshDelay = delay < 0 ? 0 : delay;
return TCL_OK;
} else {
Tcl_AppendResult(interp, "wrong # args: must be \"", argv[0],
" ", argv[1], " ?milliseconds?\"", (char *) NULL);
return TCL_ERROR;
}
} else if ((c == 'r') && (strncmp(argv[1], "reversekludge", length)
== 0)) {
int onoff;
if (argc == 2) {
char *kludge = (mainPtr->flags & CK_REVERSE_KLUDGE) ?
"1" : "0";
Tcl_SetResult(interp, kludge, TCL_STATIC);
} else if (argc == 3) {
if (Tcl_GetBoolean(interp, argv[2], &onoff) != TCL_OK)
return TCL_ERROR;
mainPtr->flags |= CK_REVERSE_KLUDGE;
} else {
Tcl_AppendResult(interp, "wrong # args: must be \"", argv[0],
" ", argv[1], " ?bool?\"", (char *) NULL);
return TCL_ERROR;
}
} else if ((c == 's') && (strncmp(argv[1], "screendump", length) == 0)) {
Tcl_DString buffer;
char *fileName;
#ifdef HAVE_SCR_DUMP
int ret;
#endif
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: must be \"", argv[0],
" ", argv[1], " filename\"", (char *) NULL);
return TCL_ERROR;
}
fileName = Tcl_TildeSubst(interp, argv[2], &buffer);
if (fileName == NULL) {
Tcl_DStringFree(&buffer);
return TCL_ERROR;
}
#ifdef HAVE_SCR_DUMP
ret = scr_dump(fileName);
Tcl_DStringFree(&buffer);
if (ret != OK) {
interp->result = "screen dump failed";
return TCL_ERROR;
}
return TCL_OK;
#else
Tcl_SetResult(interp, "screen dump not supported by this curses", TCL_STATIC);
return TCL_ERROR;
#endif
} else if ((c == 's') && (strncmp(argv[1], "suspend", length) == 0)) {
if (argc != 2) {
Tcl_AppendResult(interp, "wrong # args: must be \"", argv[0],
" ", argv[1], "\"", (char *) NULL);
return TCL_ERROR;
}
#ifndef __WIN32__
curs_set(1);
endwin();
#ifdef SIGTSTP
kill(getpid(), SIGTSTP);
#else
kill(getpid(), SIGSTOP);
#endif
Ck_EventuallyRefresh(winPtr);
#endif
} else {
Tcl_AppendResult(interp, "bad option \"", argv[1],
"\": must be barcode, baudrate, encoding, gchar, haskey, ",
"purgeinput, refreshdelay, reversekludge, screendump or suspend",
(char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Ck_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
Ck_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. */
{
CkWindow *mainPtr = (CkWindow *) clientData;
int length;
char c, *argName;
CkWindow *winPtr;
char resultbuf[TCL_RESULT_SIZE];
#define SETUP(name) \
if (argc != 3) {\
argName = name; \
goto wrongArgs; \
} \
winPtr = Ck_NameToWindow(interp, argv[2], mainPtr); \
if (winPtr == 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 == 'c') && (strncmp(argv[1], "children", length) == 0)
&& (length >= 2)) {
SETUP("children");
for (winPtr = winPtr->childList; winPtr != NULL;
winPtr = winPtr->nextPtr) {
Tcl_AppendElement(interp, winPtr->pathName);
}
} else if ((c == 'c') && (strncmp(argv[1], "containing", length) == 0)
&& (length >= 2)) {
int x, y;
argName = "containing";
if (argc != 4)
goto wrongArgs;
if (Tcl_GetInt(interp, argv[2], &x) != TCL_OK ||
Tcl_GetInt(interp, argv[3], &y) != TCL_OK) {
return TCL_ERROR;
}
winPtr = Ck_GetWindowXY(mainPtr->mainPtr, &x, &y, 0);
if (winPtr != NULL) {
Tcl_SetResult(interp, winPtr->pathName, TCL_VOLATILE);
}
} else if ((c == 'd') && (strncmp(argv[1], "depth", length) == 0)) {
SETUP("depth");
Tcl_SetResult(interp,
(winPtr->mainPtr->flags & CK_HAS_COLOR) ? "3" : "1",
TCL_VOLATILE);
} else if ((c == 'e') && (strncmp(argv[1], "exists", length) == 0)) {
if (argc != 3) {
argName = "exists";
goto wrongArgs;
}
if (Ck_NameToWindow(interp, argv[2], mainPtr) == NULL) {
Tcl_SetResult(interp, "0", TCL_VOLATILE);
} else {
Tcl_SetResult(interp, "1", TCL_VOLATILE);
}
} else if ((c == 'g') && (strncmp(argv[1], "geometry", length) == 0)) {
SETUP("geometry");
snprintf(resultbuf, sizeof(resultbuf), "%dx%d+%d+%d", winPtr->width,
winPtr->height, winPtr->x, winPtr->y);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 'h') && (strncmp(argv[1], "height", length) == 0)) {
SETUP("height");
snprintf(resultbuf, sizeof(resultbuf), "%d", winPtr->height);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 'i') && (strncmp(argv[1], "ismapped", length) == 0)
&& (length >= 2)) {
SETUP("ismapped");
Tcl_SetResult(interp, (winPtr->flags & CK_MAPPED) ? "1" : "0",
TCL_VOLATILE);
} else if ((c == 'm') && (strncmp(argv[1], "manager", length) == 0)) {
SETUP("manager");
if (winPtr->geomMgrPtr != NULL) {
Tcl_SetResult(interp, winPtr->geomMgrPtr->name,
TCL_VOLATILE);
}
} else if ((c == 'n') && (strncmp(argv[1], "name", length) == 0)) {
SETUP("name");
Tcl_SetResult(interp, (char *) winPtr->nameUid, TCL_VOLATILE);
} else if ((c == 'c') && (strncmp(argv[1], "class", length) == 0)) {
SETUP("class");
Tcl_SetResult(interp, (char *) winPtr->classUid, TCL_VOLATILE);
} else if ((c == 'p') && (strncmp(argv[1], "parent", length) == 0)) {
SETUP("parent");
if (winPtr->parentPtr != NULL) {
Tcl_SetResult(interp, winPtr->parentPtr->pathName, TCL_VOLATILE);
}
} else if ((c == 'r') && (strncmp(argv[1], "reqheight", length) == 0)
&& (length >= 4)) {
SETUP("reqheight");
snprintf(resultbuf, sizeof(resultbuf), "%d", winPtr->reqHeight);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 'r') && (strncmp(argv[1], "reqwidth", length) == 0)
&& (length >= 4)) {
SETUP("reqwidth");
snprintf(resultbuf, sizeof(resultbuf), "%d", winPtr->reqWidth);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 'r') && (strncmp(argv[1], "rootx", length) == 0)
&& (length >= 4)) {
int x;
SETUP("rootx");
Ck_GetRootGeometry(winPtr, &x, NULL, NULL, NULL);
snprintf(resultbuf, sizeof(resultbuf), "%d", x);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 'r') && (strncmp(argv[1], "rooty", length) == 0)
&& (length >= 4)) {
int y;
SETUP("rooty");
Ck_GetRootGeometry(winPtr, NULL, &y, NULL, NULL);
snprintf(resultbuf, sizeof(resultbuf), "%d", y);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 's') && (strncmp(argv[1], "screenheight", length) == 0)
&& (length >= 7)) {
SETUP("screenheight");
snprintf(resultbuf, sizeof(resultbuf), "%d", winPtr->mainPtr->winPtr->height);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 's') && (strncmp(argv[1], "screenwidth", length) == 0)
&& (length >= 7)) {
SETUP("screenwidth");
snprintf(resultbuf, sizeof(resultbuf), "%d", winPtr->mainPtr->winPtr->width);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 't') && (strncmp(argv[1], "toplevel", length) == 0)) {
SETUP("toplevel");
for (; winPtr != NULL; winPtr = winPtr->parentPtr) {
if (winPtr->flags & CK_TOPLEVEL) {
Tcl_SetResult(interp, winPtr->pathName, TCL_VOLATILE);
break;
}
}
} else if ((c == 'w') && (strncmp(argv[1], "width", length) == 0)) {
SETUP("width");
snprintf(resultbuf, sizeof(resultbuf), "%d", winPtr->width);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 'x') && (argv[1][1] == '\0')) {
SETUP("x");
snprintf(resultbuf, sizeof(resultbuf), "%d", winPtr->x);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else if ((c == 'y') && (argv[1][1] == '\0')) {
SETUP("y");
snprintf(resultbuf, sizeof(resultbuf), "%d", winPtr->y);
Tcl_SetResult(interp, resultbuf, TCL_VOLATILE);
} else {
Tcl_AppendResult(interp, "bad option \"", argv[1],
"\": must be children, class, containing, depth ",
"exists, geometry, height, ",
"ismapped, manager, name, parent, ",
"reqheight, reqwidth, rootx, rooty, ",
"screenheight, screenwidth, ",
"toplevel, 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;
}
/*
*----------------------------------------------------------------------
*
* Ck_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
Ck_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. */
{
CkWindow *mainWin = (CkWindow *) clientData;
CkWindow *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 = (CkWindow *) Ck_NameToWindow(interp, argv[1], mainWin);
if (winPtr == NULL) {
return TCL_ERROR;
}
object = (ClientData) winPtr->pathName;
} else {
winPtr = (CkWindow *) clientData;
object = (ClientData) Ck_GetUid(argv[1]);
}
if (argc == 4) {
int append = 0;
if (argv[3][0] == 0) {
return Ck_DeleteBinding(interp, winPtr->mainPtr->bindingTable,
object, argv[2]);
}
if (argv[3][0] == '+') {
argv[3]++;
append = 1;
}
if (Ck_CreateBinding(interp, winPtr->mainPtr->bindingTable,
object, argv[2], argv[3], append) != TCL_OK) {
return TCL_ERROR;
}
} else if (argc == 3) {
char *command;
command = Ck_GetBinding(interp, winPtr->mainPtr->bindingTable,
object, argv[2]);
if (command == NULL) {
Tcl_ResetResult(interp);
return TCL_OK;
}
Tcl_SetResult(interp, command, TCL_VOLATILE);
} else {
Ck_GetAllBindings(interp, winPtr->mainPtr->bindingTable, object);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* CkBindEventProc --
*
* This procedure is invoked by Ck_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
CkBindEventProc(winPtr, eventPtr)
CkWindow *winPtr; /* Pointer to info about window. */
CkEvent *eventPtr; /* Information about event. */
{
#define MAX_OBJS 20
ClientData objects[MAX_OBJS], *objPtr;
static Ck_Uid allUid = NULL;
int i, count;
char *p;
Tcl_HashEntry *hPtr;
CkWindow *topLevPtr;
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(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 = ((CkWindow *) 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 & CK_TOPLEVEL);
topLevPtr = topLevPtr->parentPtr) {
/* Empty loop body. */
}
if (winPtr != topLevPtr && topLevPtr != NULL) {
objPtr[2] = (ClientData) topLevPtr->pathName;
count = 4;
} else
count = 3;
if (allUid == NULL) {
allUid = Ck_GetUid("all");
}
objPtr[count - 1] = (ClientData) allUid;
}
Ck_BindEvent(winPtr->mainPtr->bindingTable, eventPtr, winPtr,
count, objPtr);
if (objPtr != objects) {
ckfree((char *) objPtr);
}
}
/*
*----------------------------------------------------------------------
*
* Ck_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
Ck_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. */
{
CkWindow *mainWin = (CkWindow *) clientData;
CkWindow *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 = (CkWindow *) Ck_NameToWindow(interp, argv[1], mainWin);
if (winPtr == NULL) {
return TCL_ERROR;
}
if (argc == 2) {
if (winPtr->numTags == 0) {
Tcl_AppendElement(interp, winPtr->pathName);
Tcl_AppendElement(interp, winPtr->classUid);
for (winPtr2 = winPtr; winPtr2 != NULL &&
!(winPtr2->flags & CK_TOPLEVEL);
winPtr2 = winPtr2->parentPtr) {
/* Empty loop body. */
}
if (winPtr != winPtr2 && winPtr2 != NULL)
Tcl_AppendElement(interp, winPtr2->pathName);
Tcl_AppendElement(interp, "all");
} else {
for (i = 0; i < winPtr->numTags; i++) {
Tcl_AppendElement(interp, (char *) winPtr->tagPtr[i]);
}
}
return TCL_OK;
}
if (winPtr->tagPtr != NULL) {
CkFreeBindingTags(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(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) Ck_GetUid(p);
}
}
ckfree((char *) tagArgv);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* CkFreeBindingTags --
*
* 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
CkFreeBindingTags(winPtr)
CkWindow *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;
}