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tkCmds.c
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tkCmds.c
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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 © 1990-1994 The Regents of the University of California.
* Copyright © 1994-1997 Sun Microsystems, Inc.
* Copyright © 2000 Scriptics Corporation.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include "tkInt.h"
#if defined(_WIN32)
#include "tkWinInt.h"
#elif defined(MAC_OSX_TK)
#include "tkMacOSXInt.h"
#else
#include "tkUnixInt.h"
#endif
/*
* Forward declarations for functions defined later in this file:
*/
static TkWindow * GetTopHierarchy(Tk_Window tkwin);
static char * WaitVariableProc(void *clientData,
Tcl_Interp *interp, const char *name1,
const char *name2, int flags);
static void WaitVisibilityProc(void *clientData,
XEvent *eventPtr);
static void WaitWindowProc(void *clientData,
XEvent *eventPtr);
static int AppnameCmd(void *dummy, Tcl_Interp *interp,
Tcl_Size objc, Tcl_Obj *const *objv);
static int CaretCmd(void *dummy, Tcl_Interp *interp,
Tcl_Size objc, Tcl_Obj *const *objv);
static int InactiveCmd(void *dummy, Tcl_Interp *interp,
Tcl_Size objc, Tcl_Obj *const *objv);
static int ScalingCmd(void *dummy, Tcl_Interp *interp,
Tcl_Size objc, Tcl_Obj *const *objv);
static int UseinputmethodsCmd(void *dummy,
Tcl_Interp *interp, Tcl_Size objc,
Tcl_Obj *const *objv);
static int WindowingsystemCmd(void *dummy,
Tcl_Interp *interp, Tcl_Size objc,
Tcl_Obj *const *objv);
#if defined(_WIN32) || defined(MAC_OSX_TK)
MODULE_SCOPE const TkEnsemble tkFontchooserEnsemble[];
#else
#define tkFontchooserEnsemble NULL
#endif
/*
* Table of tk subcommand names and implementations.
*/
static const TkEnsemble tkCmdMap[] = {
{"fontchooser", NULL, tkFontchooserEnsemble},
{"appname", AppnameCmd, NULL },
{"busy", Tk_BusyObjCmd, NULL },
{"caret", CaretCmd, NULL },
{"inactive", InactiveCmd, NULL },
{"scaling", ScalingCmd, NULL },
{"useinputmethods", UseinputmethodsCmd, NULL },
{"windowingsystem", WindowingsystemCmd, NULL },
{NULL, NULL, NULL}
};
/*
*----------------------------------------------------------------------
*
* Tk_BellObjCmd --
*
* This function 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_BellObjCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
static const char *const bellOptions[] = {
"-displayof", "-nice", NULL
};
enum options { TK_BELL_DISPLAYOF, TK_BELL_NICE };
Tk_Window tkwin = (Tk_Window)clientData;
int i;
int index, nice = 0;
Tk_ErrorHandler handler;
if (objc > 4) {
wrongArgs:
Tcl_WrongNumArgs(interp, 1, objv, "?-displayof window? ?-nice?");
return TCL_ERROR;
}
for (i = 1; i < objc; i++) {
if (Tcl_GetIndexFromObjStruct(interp, objv[i], bellOptions,
sizeof(char *), "option", 0, &index) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum options) index) {
case TK_BELL_DISPLAYOF:
if (++i >= objc) {
goto wrongArgs;
}
tkwin = Tk_NameToWindow(interp, Tcl_GetString(objv[i]), tkwin);
if (tkwin == NULL) {
return TCL_ERROR;
}
break;
case TK_BELL_NICE:
nice = 1;
break;
}
}
handler = Tk_CreateErrorHandler(Tk_Display(tkwin), -1, -1, -1, NULL, NULL);
XBell(Tk_Display(tkwin), 0);
if (!nice) {
XForceScreenSaver(Tk_Display(tkwin), ScreenSaverReset);
}
(void)XFlush(Tk_Display(tkwin));
Tk_DeleteErrorHandler(handler);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Tk_BindObjCmd --
*
* This function 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_BindObjCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window tkwin = (Tk_Window)clientData;
TkWindow *winPtr;
void *object;
const char *string;
if ((objc < 2) || (objc > 4)) {
Tcl_WrongNumArgs(interp, 1, objv, "window ?pattern? ?command?");
return TCL_ERROR;
}
string = Tcl_GetString(objv[1]);
/*
* Bind tags either a window name or a tag name for the first argument.
* If the argument starts with ".", assume it is a window; otherwise, it
* is a tag.
*/
if (string[0] == '.') {
winPtr = (TkWindow *) Tk_NameToWindow(interp, string, tkwin);
if (winPtr == NULL) {
return TCL_ERROR;
}
object = winPtr->pathName;
} else {
winPtr = (TkWindow *)clientData;
object = (void *) Tk_GetUid(string);
}
/*
* If there are four arguments, the command is modifying a binding. If
* there are three arguments, the command is querying a binding. If there
* are only two arguments, the command is querying all the bindings for
* the given tag/window.
*/
if (objc == 4) {
int append = 0;
unsigned long mask;
const char *sequence = Tcl_GetString(objv[2]);
const char *script = Tcl_GetString(objv[3]);
/*
* If the script is null, just delete the binding.
*/
if (script[0] == 0) {
return Tk_DeleteBinding(interp, winPtr->mainPtr->bindingTable,
object, sequence);
}
/*
* If the script begins with "+", append this script to the existing
* binding.
*/
if (script[0] == '+') {
script++;
append = 1;
}
mask = Tk_CreateBinding(interp, winPtr->mainPtr->bindingTable,
object, sequence, script, append);
if (mask == 0) {
return TCL_ERROR;
}
} else if (objc == 3) {
const char *command;
command = Tk_GetBinding(interp, winPtr->mainPtr->bindingTable,
object, Tcl_GetString(objv[2]));
if (command == NULL) {
Tcl_ResetResult(interp);
return TCL_OK;
}
Tcl_SetObjResult(interp, Tcl_NewStringObj(command, TCL_INDEX_NONE));
} else {
Tk_GetAllBindings(interp, winPtr->mainPtr->bindingTable, object);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TkBindEventProc --
*
* This function 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(
TkWindow *winPtr, /* Pointer to info about window. */
XEvent *eventPtr) /* Information about event. */
{
#define MAX_OBJS 20
void *objects[MAX_OBJS], **objPtr;
TkWindow *topLevPtr;
Tcl_Size 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 = (void **)ckalloc(winPtr->numTags * sizeof(void *));
}
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] = p;
}
count = winPtr->numTags;
} else {
objPtr[0] = winPtr->pathName;
objPtr[1] = (void *)winPtr->classUid;
for (topLevPtr = winPtr;
(topLevPtr != NULL) && !(topLevPtr->flags & TK_TOP_HIERARCHY);
topLevPtr = topLevPtr->parentPtr) {
/* Empty loop body. */
}
if ((winPtr != topLevPtr) && (topLevPtr != NULL)) {
count = 4;
objPtr[2] = topLevPtr->pathName;
} else {
count = 3;
}
objPtr[count-1] = (void *) Tk_GetUid("all");
}
Tk_BindEvent(winPtr->mainPtr->bindingTable, eventPtr, (Tk_Window) winPtr,
count, objPtr);
if (objPtr != objects) {
ckfree(objPtr);
}
}
/*
*----------------------------------------------------------------------
*
* Tk_BindtagsObjCmd --
*
* This function 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_BindtagsObjCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window tkwin = (Tk_Window)clientData;
TkWindow *winPtr, *winPtr2;
Tcl_Size i, length;
const char *p;
Tcl_Obj *listPtr, **tags;
if ((objc < 2) || (objc > 3)) {
Tcl_WrongNumArgs(interp, 1, objv, "window ?taglist?");
return TCL_ERROR;
}
winPtr = (TkWindow *) Tk_NameToWindow(interp, Tcl_GetString(objv[1]),
tkwin);
if (winPtr == NULL) {
return TCL_ERROR;
}
if (objc == 2) {
listPtr = Tcl_NewObj();
if (winPtr->numTags == 0) {
Tcl_ListObjAppendElement(NULL, listPtr,
Tcl_NewStringObj(winPtr->pathName, TCL_INDEX_NONE));
Tcl_ListObjAppendElement(NULL, listPtr,
Tcl_NewStringObj(winPtr->classUid, TCL_INDEX_NONE));
winPtr2 = winPtr;
while ((winPtr2 != NULL) && !(Tk_TopWinHierarchy(winPtr2))) {
winPtr2 = winPtr2->parentPtr;
}
if ((winPtr != winPtr2) && (winPtr2 != NULL)) {
Tcl_ListObjAppendElement(NULL, listPtr,
Tcl_NewStringObj(winPtr2->pathName, TCL_INDEX_NONE));
}
Tcl_ListObjAppendElement(NULL, listPtr,
Tcl_NewStringObj("all", TCL_INDEX_NONE));
} else {
for (i = 0; i < winPtr->numTags; i++) {
Tcl_ListObjAppendElement(NULL, listPtr,
Tcl_NewStringObj((const char *)winPtr->tagPtr[i], TCL_INDEX_NONE));
}
}
Tcl_SetObjResult(interp, listPtr);
return TCL_OK;
}
if (winPtr->tagPtr != NULL) {
TkFreeBindingTags(winPtr);
}
if (Tcl_ListObjGetElements(interp, objv[2], &length, &tags) != TCL_OK) {
return TCL_ERROR;
}
if (length == 0) {
return TCL_OK;
}
winPtr->numTags = length;
winPtr->tagPtr = (void **)ckalloc(length * sizeof(void *));
for (i = 0; i < length; i++) {
p = Tcl_GetString(tags[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(strlen(p) + 1);
strcpy(copy, p);
winPtr->tagPtr[i] = copy;
} else {
winPtr->tagPtr[i] = (void *)Tk_GetUid(p);
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TkFreeBindingTags --
*
* This function 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(
TkWindow *winPtr) /* Window whose tags are to be released. */
{
Tcl_Size i;
const char *p;
for (i = 0; i < winPtr->numTags; i++) {
p = (const char *)winPtr->tagPtr[i];
if (*p == '.') {
/*
* Names starting with "." are malloced rather than Uids, so they
* have to be freed.
*/
ckfree((char *)p);
}
}
ckfree(winPtr->tagPtr);
winPtr->numTags = 0;
winPtr->tagPtr = NULL;
}
/*
*----------------------------------------------------------------------
*
* Tk_DestroyObjCmd --
*
* This function 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_DestroyObjCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window window;
Tk_Window tkwin = (Tk_Window)clientData;
int i;
for (i = 1; i < objc; i++) {
window = Tk_NameToWindow(interp, Tcl_GetString(objv[i]), tkwin);
if (window == NULL) {
Tcl_ResetResult(interp);
continue;
}
Tk_DestroyWindow(window);
if (window == tkwin) {
/*
* We just deleted the main window for the application! This makes
* it impossible to do anything more (tkwin isn't valid anymore).
*/
break;
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Tk_LowerObjCmd --
*
* This function 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
Tk_LowerObjCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window mainwin = (Tk_Window)clientData;
Tk_Window tkwin, other;
if ((objc != 2) && (objc != 3)) {
Tcl_WrongNumArgs(interp, 1, objv, "window ?belowThis?");
return TCL_ERROR;
}
tkwin = Tk_NameToWindow(interp, Tcl_GetString(objv[1]), mainwin);
if (tkwin == NULL) {
return TCL_ERROR;
}
if (objc == 2) {
other = NULL;
} else {
other = Tk_NameToWindow(interp, Tcl_GetString(objv[2]), mainwin);
if (other == NULL) {
return TCL_ERROR;
}
}
if (Tk_RestackWindow(tkwin, Below, other) != TCL_OK) {
if (other) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"can't lower \"%s\" below \"%s\"",
Tcl_GetString(objv[1]), Tcl_GetString(objv[2])));
} else {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"can't lower \"%s\" to bottom", Tcl_GetString(objv[1])));
}
Tcl_SetErrorCode(interp, "TK", "RESTACK", "LOWER", NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Tk_RaiseObjCmd --
*
* This function 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
Tk_RaiseObjCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window mainwin = (Tk_Window)clientData;
Tk_Window tkwin, other;
if ((objc != 2) && (objc != 3)) {
Tcl_WrongNumArgs(interp, 1, objv, "window ?aboveThis?");
return TCL_ERROR;
}
tkwin = Tk_NameToWindow(interp, Tcl_GetString(objv[1]), mainwin);
if (tkwin == NULL) {
return TCL_ERROR;
}
if (objc == 2) {
other = NULL;
} else {
other = Tk_NameToWindow(interp, Tcl_GetString(objv[2]), mainwin);
if (other == NULL) {
return TCL_ERROR;
}
}
if (Tk_RestackWindow(tkwin, Above, other) != TCL_OK) {
if (other) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"can't raise \"%s\" above \"%s\"",
Tcl_GetString(objv[1]), Tcl_GetString(objv[2])));
} else {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"can't raise \"%s\" to top", Tcl_GetString(objv[1])));
}
Tcl_SetErrorCode(interp, "TK", "RESTACK", "RAISE", NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
* ----------------------------------------------------------------------
*
* TkInitTkCmd --
*
* Set up the tk ensemble.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* None.
*
* ----------------------------------------------------------------------
*/
int
TkInitTkCmd(
Tcl_Interp *interp,
void *clientData)
{
/* If the interp is safe, leave out "fontchooser" */
int isSafe = Tcl_IsSafe(interp);
TkMakeEnsemble(interp, "::", "tk", clientData, tkCmdMap + isSafe);
#if defined(_WIN32) || defined(MAC_OSX_TK)
if (!isSafe) {
TkInitFontchooser(interp, clientData);
}
#endif
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* AppnameCmd, CaretCmd, ScalingCmd, UseinputmethodsCmd,
* WindowingsystemCmd, InactiveCmd --
*
* These functions are invoked to process the "tk" ensemble subcommands.
* See the user documentation for details on what they do.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
int
AppnameCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
Tcl_Size objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window tkwin = (Tk_Window)clientData;
TkWindow *winPtr;
const char *string;
if (Tcl_IsSafe(interp)) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"appname not accessible in a safe interpreter", TCL_INDEX_NONE));
Tcl_SetErrorCode(interp, "TK", "SAFE", "APPLICATION", NULL);
return TCL_ERROR;
}
winPtr = (TkWindow *) tkwin;
if (objc == 2) {
string = Tcl_GetString(objv[1]);
winPtr->nameUid = Tk_GetUid(Tk_SetAppName(tkwin, string));
} else if (objc != 1) {
Tcl_WrongNumArgs(interp, 1, objv, "?newName?");
return TCL_ERROR;
}
Tcl_SetObjResult(interp, Tcl_NewStringObj(winPtr->nameUid, TCL_INDEX_NONE));
return TCL_OK;
}
int
CaretCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
Tcl_Size objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window tkwin = (Tk_Window)clientData;
int index;
Tcl_Obj *objPtr;
TkCaret *caretPtr;
Tk_Window window;
static const char *const caretStrings[] = {
"-x", "-y", "-height", NULL
};
enum caretOptions {
TK_CARET_X, TK_CARET_Y, TK_CARET_HEIGHT
};
if ((objc < 2) || ((objc > 3) && !!(objc & 1))) {
Tcl_WrongNumArgs(interp, 1, objv,
"window ?-x x? ?-y y? ?-height height?");
return TCL_ERROR;
}
window = Tk_NameToWindow(interp, Tcl_GetString(objv[1]), tkwin);
if (window == NULL) {
return TCL_ERROR;
}
caretPtr = &(((TkWindow *) window)->dispPtr->caret);
if (objc == 2) {
/*
* Return all the current values
*/
objPtr = Tcl_NewObj();
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj("-height", 7));
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewWideIntObj(caretPtr->height));
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj("-x", 2));
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewWideIntObj(caretPtr->x));
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj("-y", 2));
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewWideIntObj(caretPtr->y));
Tcl_SetObjResult(interp, objPtr);
} else if (objc == 3) {
int value;
/*
* Return the current value of the selected option
*/
if (Tcl_GetIndexFromObj(interp, objv[2], caretStrings,
"caret option", 0, &index) != TCL_OK) {
return TCL_ERROR;
}
if (index == TK_CARET_X) {
value = caretPtr->x;
} else if (index == TK_CARET_Y) {
value = caretPtr->y;
} else /* if (index == TK_CARET_HEIGHT) -- last case */ {
value = caretPtr->height;
}
Tcl_SetObjResult(interp, Tcl_NewWideIntObj(value));
} else {
Tcl_Size i;
int value, x = 0, y = 0, height = -1;
for (i = 2; i < objc; i += 2) {
if ((Tcl_GetIndexFromObj(interp, objv[i], caretStrings,
"caret option", 0, &index) != TCL_OK) ||
Tcl_GetIntFromObj(interp,objv[i+1],&value) != TCL_OK) {
return TCL_ERROR;
}
if (index == TK_CARET_X) {
x = value;
} else if (index == TK_CARET_Y) {
y = value;
} else /* if (index == TK_CARET_HEIGHT) -- last case */ {
height = value;
}
}
if (height < 0) {
height = Tk_Height(window);
}
Tk_SetCaretPos(window, x, y, height);
}
return TCL_OK;
}
int
ScalingCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
Tcl_Size objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window tkwin = (Tk_Window)clientData;
Screen *screenPtr;
Tcl_Size skip;
int width, height, intPct;
double d, dblPct;
skip = TkGetDisplayOf(interp, objc - 1, objv + 1, &tkwin);
if (skip < 0) {
return TCL_ERROR;
}
screenPtr = Tk_Screen(tkwin);
if (objc == 1 + skip) {
d = 25.4 / 72;
d *= WidthOfScreen(screenPtr);
d /= WidthMMOfScreen(screenPtr);
Tcl_SetObjResult(interp, Tcl_NewDoubleObj(d));
} else if (Tcl_IsSafe(interp)) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"setting the scaling not accessible in a safe interpreter", TCL_INDEX_NONE));
Tcl_SetErrorCode(interp, "TK", "SAFE", "SCALING", NULL);
return TCL_ERROR;
} else if (objc == 2 + skip) {
if (Tcl_GetDoubleFromObj(interp, objv[1+skip], &d) != TCL_OK) {
return TCL_ERROR;
}
dblPct = d * 75;
d = (25.4 / 72) / d;
width = (int) (d * WidthOfScreen(screenPtr) + 0.5);
if (width <= 0) {
width = 1;
}
height = (int) (d * HeightOfScreen(screenPtr) + 0.5);
if (height <= 0) {
height = 1;
}
WidthMMOfScreen(screenPtr) = width;
HeightMMOfScreen(screenPtr) = height;
/*
* Keep the variables ::tk::scalingPct and ::tk::svgFmt
* in sync with the new value of the scaling factor
*/
for (intPct = 100; 1; intPct += 25) {
if (dblPct < intPct + 12.5) {
break;
}
}
Tcl_SetVar2Ex(interp, "::tk::scalingPct", NULL, Tcl_NewIntObj(intPct),
TCL_GLOBAL_ONLY);
Tcl_SetVar2Ex(interp, "::tk::svgFmt", NULL,
Tcl_NewStringObj("svg", TCL_INDEX_NONE), TCL_GLOBAL_ONLY);
Tcl_SetVar2Ex(interp, "::tk::svgFmt", NULL,
Tcl_NewStringObj("-scale", TCL_INDEX_NONE),
TCL_GLOBAL_ONLY | TCL_APPEND_VALUE | TCL_LIST_ELEMENT);
Tcl_SetVar2Ex(interp, "::tk::svgFmt", NULL,
Tcl_NewDoubleObj(intPct / 100.0),
TCL_GLOBAL_ONLY | TCL_APPEND_VALUE | TCL_LIST_ELEMENT);
} else {
Tcl_WrongNumArgs(interp, 1, objv, "?-displayof window? ?factor?");
return TCL_ERROR;
}
return TCL_OK;
}
int
UseinputmethodsCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
Tcl_Size objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window tkwin = (Tk_Window)clientData;
TkDisplay *dispPtr;
Tcl_Size skip;
if (Tcl_IsSafe(interp)) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"useinputmethods not accessible in a safe interpreter", TCL_INDEX_NONE));
Tcl_SetErrorCode(interp, "TK", "SAFE", "INPUT_METHODS", NULL);
return TCL_ERROR;
}
skip = TkGetDisplayOf(interp, objc - 1, objv + 1, &tkwin);
if (skip < 0) {
return TCL_ERROR;
}
dispPtr = ((TkWindow *) tkwin)->dispPtr;
if (objc == 2 + skip) {
int boolVal;
if (Tcl_GetBooleanFromObj(interp, objv[1+skip],
&boolVal) != TCL_OK) {
return TCL_ERROR;
}
if (boolVal && (dispPtr->inputMethod != NULL)) {
dispPtr->flags |= TK_DISPLAY_USE_IM;
} else {
dispPtr->flags &= ~TK_DISPLAY_USE_IM;
}
} else if (objc != 1 + skip) {
Tcl_WrongNumArgs(interp, 1, objv,
"?-displayof window? ?boolean?");
return TCL_ERROR;
}
Tcl_SetObjResult(interp,
Tcl_NewBooleanObj(dispPtr->flags & TK_DISPLAY_USE_IM));
return TCL_OK;
}
int
WindowingsystemCmd(
TCL_UNUSED(void *), /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
Tcl_Size objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
const char *windowingsystem;
if (objc != 1) {
Tcl_WrongNumArgs(interp, 1, objv, NULL);
return TCL_ERROR;
}
#if defined(_WIN32)
windowingsystem = "win32";
#elif defined(MAC_OSX_TK)
windowingsystem = "aqua";
#else
windowingsystem = "x11";
#endif
Tcl_SetObjResult(interp, Tcl_NewStringObj(windowingsystem, TCL_INDEX_NONE));
return TCL_OK;
}
int
InactiveCmd(
void *clientData, /* Main window associated with interpreter. */
Tcl_Interp *interp, /* Current interpreter. */
Tcl_Size objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window tkwin = (Tk_Window)clientData;
Tcl_Size skip = TkGetDisplayOf(interp, objc - 1, objv + 1, &tkwin);
if (skip < 0) {
return TCL_ERROR;
}
if (objc == 1 + skip) {
Tcl_WideInt inactive;
inactive = (Tcl_IsSafe(interp) ? -1 :
Tk_GetUserInactiveTime(Tk_Display(tkwin)));
Tcl_SetObjResult(interp, Tcl_NewWideIntObj(inactive));
} else if (objc == 2 + skip) {
const char *string;
string = Tcl_GetString(objv[objc-1]);
if (strcmp(string, "reset") != 0) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"bad option \"%s\": must be reset", string));
Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "INDEX", "option",
string, NULL);
return TCL_ERROR;
}
if (Tcl_IsSafe(interp)) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"resetting the user inactivity timer "
"is not allowed in a safe interpreter", TCL_INDEX_NONE));
Tcl_SetErrorCode(interp, "TK", "SAFE", "INACTIVITY_TIMER", NULL);
return TCL_ERROR;
}
Tk_ResetUserInactiveTime(Tk_Display(tkwin));
Tcl_ResetResult(interp);
} else {
Tcl_WrongNumArgs(interp, 1, objv, "?-displayof window? ?reset?");
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Tk_TkwaitObjCmd --
*
* This function is invoked to process the "tkwait" Tcl command. See the