/* * 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; Tcl_Size 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((void *)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; Tcl_Size 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", (char *)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", (char *)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", (char *)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", (char *)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", (char *)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, (char *)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", (char *)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 * user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ int Tk_TkwaitObjCmd( 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; int done, index; int code = TCL_OK; static const char *const optionStrings[] = { "variable", "visibility", "window", NULL }; enum options { TKWAIT_VARIABLE, TKWAIT_VISIBILITY, TKWAIT_WINDOW }; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "variable|visibility|window name"); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0, &index) != TCL_OK) { return TCL_ERROR; } switch ((enum options) index) { case TKWAIT_VARIABLE: if (Tcl_TraceVar2(interp, Tcl_GetString(objv[2]), NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, WaitVariableProc, &done) != TCL_OK) { return TCL_ERROR; } done = 0; while (!done) { if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) { code = TCL_ERROR; break; } Tcl_DoOneEvent(0); } Tcl_UntraceVar2(interp, Tcl_GetString(objv[2]), NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, WaitVariableProc, &done); break; case TKWAIT_VISIBILITY: { Tk_Window window; window = Tk_NameToWindow(interp, Tcl_GetString(objv[2]), tkwin); if (window == NULL) { return TCL_ERROR; } Tk_CreateEventHandler(window, VisibilityChangeMask|StructureNotifyMask, WaitVisibilityProc, &done); done = 0; while (!done) { if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) { code = TCL_ERROR; break; } Tcl_DoOneEvent(0); } if ((done != 0) && (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_SetObjResult(interp, Tcl_ObjPrintf( "window \"%s\" was deleted before its visibility changed", Tcl_GetString(objv[2]))); Tcl_SetErrorCode(interp, "TK", "WAIT", "PREMATURE", (char *)NULL); return TCL_ERROR; } Tk_DeleteEventHandler(window, VisibilityChangeMask|StructureNotifyMask, WaitVisibilityProc, &done); break; } case TKWAIT_WINDOW: { Tk_Window window; window = Tk_NameToWindow(interp, Tcl_GetString(objv[2]), tkwin); if (window == NULL) { return TCL_ERROR; } Tk_CreateEventHandler(window, StructureNotifyMask, WaitWindowProc, &done); done = 0; while (!done) { if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) { code = TCL_ERROR; break; } Tcl_DoOneEvent(0); } /* * Note: normally there's no need to delete the event handler. It was * deleted automatically when the window was destroyed; however, if * the wait operation was canceled, we need to delete it. */ if (done == 0) { Tk_DeleteEventHandler(window, StructureNotifyMask, WaitWindowProc, &done); } break; } } /* * Clear out the interpreter's result, since it may have been set by event * handlers. This is skipped if an error occurred above, such as the wait * operation being canceled. */ if (code == TCL_OK) Tcl_ResetResult(interp); return code; } static char * WaitVariableProc( void *clientData, /* Pointer to integer to set to 1. */ Tcl_Interp *interp, /* Interpreter containing variable. */ const char *name1, /* Name of variable. */ TCL_UNUSED(const char *), /* Second part of variable name. */ TCL_UNUSED(int)) /* Information about what happened. */ { int *donePtr = (int *)clientData; *donePtr = 1; Tcl_UntraceVar(interp, name1, TCL_TRACE_WRITES|TCL_TRACE_UNSETS, WaitVariableProc, clientData); return NULL; } static void WaitVisibilityProc( void *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; } else if (eventPtr->type == DestroyNotify) { *donePtr = 2; } } static void WaitWindowProc( void *clientData, /* Pointer to integer to set to 1. */ XEvent *eventPtr) /* Information about event. */ { int *donePtr = (int *)clientData; if (eventPtr->type == DestroyNotify) { *donePtr = 1; } } /* *---------------------------------------------------------------------- * * Tk_UpdateObjCmd -- * * This function 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 Tk_UpdateObjCmd( TCL_UNUSED(void *), /* 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 updateOptions[] = {"idletasks", NULL}; int flags, index; TkDisplay *dispPtr; int code = TCL_OK; if (objc == 1) { flags = TCL_DONT_WAIT; } else if (objc == 2) { if (Tcl_GetIndexFromObj(interp, objv[1], updateOptions, "option", 0, &index) != TCL_OK) { return TCL_ERROR; } flags = TCL_IDLE_EVENTS; } else { Tcl_WrongNumArgs(interp, 1, objv, "?idletasks?"); return TCL_ERROR; } /* * Handle all pending events, sync all displays, 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. */ while (1) { while (Tcl_DoOneEvent(flags) != 0) { if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) { code = TCL_ERROR; break; } } /* * If event processing was canceled proceed no further. */ if (code == TCL_ERROR) break; for (dispPtr = TkGetDisplayList(); dispPtr != NULL; dispPtr = dispPtr->nextPtr) { XSync(dispPtr->display, False); } /* * Check again if event processing has been canceled because the inner * loop (above) may not have checked (i.e. no events were processed and * the loop body was skipped). */ if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) { code = TCL_ERROR; break; } if (Tcl_DoOneEvent(flags) == 0) { break; } } /* * Must clear the interpreter's result because event handlers could have * executed commands. This is skipped if an error occurred above, such as * the wait operation being canceled. */ if (code == TCL_OK) Tcl_ResetResult(interp); return code; } /* *---------------------------------------------------------------------- * * Tk_WinfoObjCmd -- * * This function 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_WinfoObjCmd( void *clientData, /* Main window associated with interpreter. */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { int index, x, y, width, height, useX, useY, c_class; Tcl_Size skip; const char *string; TkWindow *winPtr; Tk_Window tkwin = (Tk_Window)clientData; static const TkStateMap visualMap[] = { {PseudoColor, "pseudocolor"}, {GrayScale, "grayscale"}, {DirectColor, "directcolor"}, {TrueColor, "truecolor"}, {StaticColor, "staticcolor"}, {StaticGray, "staticgray"}, {-1, NULL} }; static const char *const optionStrings[] = { "cells", "children", "class", "colormapfull", "depth", "geometry", "height", "id", "ismapped", "manager", "name", "parent", "pointerx", "pointery", "pointerxy", "reqheight", "reqwidth", "rootx", "rooty", "screen", "screencells", "screendepth", "screenheight", "screenwidth", "screenmmheight","screenmmwidth","screenvisual","server", "toplevel", "viewable", "visual", "visualid", "vrootheight", "vrootwidth", "vrootx", "vrooty", "width", "x", "y", "atom", "atomname", "containing", "interps", "pathname", "exists", "fpixels", "pixels", "rgb", "visualsavailable", NULL }; enum options { WIN_CELLS, WIN_CHILDREN, WIN_CLASS, WIN_COLORMAPFULL, WIN_DEPTH, WIN_GEOMETRY, WIN_HEIGHT, WIN_ID, WIN_ISMAPPED, WIN_MANAGER, WIN_NAME, WIN_PARENT, WIN_POINTERX, WIN_POINTERY, WIN_POINTERXY, WIN_REQHEIGHT, WIN_REQWIDTH, WIN_ROOTX, WIN_ROOTY, WIN_SCREEN, WIN_SCREENCELLS,WIN_SCREENDEPTH,WIN_SCREENHEIGHT,WIN_SCREENWIDTH, WIN_SCREENMMHEIGHT,WIN_SCREENMMWIDTH,WIN_SCREENVISUAL,WIN_SERVER, WIN_TOPLEVEL, WIN_VIEWABLE, WIN_VISUAL, WIN_VISUALID, WIN_VROOTHEIGHT,WIN_VROOTWIDTH, WIN_VROOTX, WIN_VROOTY, WIN_WIDTH, WIN_X, WIN_Y, WIN_ATOM, WIN_ATOMNAME, WIN_CONTAINING, WIN_INTERPS, WIN_PATHNAME, WIN_EXISTS, WIN_FPIXELS, WIN_PIXELS, WIN_RGB, WIN_VISUALSAVAILABLE }; if (objc < 2) { Tcl_WrongNumArgs(interp, 1, objv, "option ?arg?"); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index < WIN_ATOM) { if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } string = Tcl_GetString(objv[2]); tkwin = Tk_NameToWindow(interp, string, tkwin); if (tkwin == NULL) { return TCL_ERROR; } } winPtr = (TkWindow *) tkwin; switch ((enum options) index) { case WIN_CELLS: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(Tk_Visual(tkwin)->map_entries)); break; case WIN_CHILDREN: { Tcl_Obj *strPtr, *resultPtr = Tcl_NewObj(); winPtr = winPtr->childList; for ( ; winPtr != NULL; winPtr = winPtr->nextPtr) { if (!(winPtr->flags & TK_ANONYMOUS_WINDOW)) { strPtr = Tcl_NewStringObj(winPtr->pathName, TCL_INDEX_NONE); Tcl_ListObjAppendElement(NULL, resultPtr, strPtr); } } Tcl_SetObjResult(interp, resultPtr); break; } case WIN_CLASS: Tcl_SetObjResult(interp, Tcl_NewStringObj(Tk_Class(tkwin), TCL_INDEX_NONE)); break; case WIN_COLORMAPFULL: Tcl_SetObjResult(interp, Tcl_NewBooleanObj(TkpCmapStressed(tkwin,Tk_Colormap(tkwin)))); break; case WIN_DEPTH: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(Tk_Depth(tkwin))); break; case WIN_GEOMETRY: Tcl_SetObjResult(interp, Tcl_ObjPrintf("%dx%d+%d+%d", Tk_Width(tkwin), Tk_Height(tkwin), Tk_X(tkwin), Tk_Y(tkwin))); break; case WIN_HEIGHT: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(Tk_Height(tkwin))); break; case WIN_ID: { char buf[TCL_INTEGER_SPACE]; Tk_MakeWindowExist(tkwin); TkpPrintWindowId(buf, Tk_WindowId(tkwin)); Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, TCL_INDEX_NONE)); break; } case WIN_ISMAPPED: Tcl_SetObjResult(interp, Tcl_NewBooleanObj(Tk_IsMapped(tkwin))); break; case WIN_MANAGER: if (winPtr->geomMgrPtr != NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj(winPtr->geomMgrPtr->name, TCL_INDEX_NONE)); } break; case WIN_NAME: Tcl_SetObjResult(interp, Tcl_NewStringObj(Tk_Name(tkwin), TCL_INDEX_NONE)); break; case WIN_PARENT: if (winPtr->parentPtr != NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj(winPtr->parentPtr->pathName, TCL_INDEX_NONE)); } break; case WIN_POINTERX: useX = 1; useY = 0; goto pointerxy; case WIN_POINTERY: useX = 0; useY = 1; goto pointerxy; case WIN_POINTERXY: useX = 1; useY = 1; pointerxy: winPtr = GetTopHierarchy(tkwin); if (winPtr == NULL) { x = -1; y = -1; } else { TkGetPointerCoords((Tk_Window) winPtr, &x, &y); } if (useX & useY) { Tcl_Obj *xyObj[2]; xyObj[0] = Tcl_NewWideIntObj(x); xyObj[1] = Tcl_NewWideIntObj(y); Tcl_SetObjResult(interp, Tcl_NewListObj(2, xyObj)); } else if (useX) { Tcl_SetObjResult(interp, Tcl_NewWideIntObj(x)); } else { Tcl_SetObjResult(interp, Tcl_NewWideIntObj(y)); } break; case WIN_REQHEIGHT: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(Tk_ReqHeight(tkwin))); break; case WIN_REQWIDTH: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(Tk_ReqWidth(tkwin))); break; case WIN_ROOTX: Tk_GetRootCoords(tkwin, &x, &y); Tcl_SetObjResult(interp, Tcl_NewWideIntObj(x)); break; case WIN_ROOTY: Tk_GetRootCoords(tkwin, &x, &y); Tcl_SetObjResult(interp, Tcl_NewWideIntObj(y)); break; case WIN_SCREEN: Tcl_SetObjResult(interp, Tcl_ObjPrintf("%s.%d", Tk_DisplayName(tkwin), Tk_ScreenNumber(tkwin))); break; case WIN_SCREENCELLS: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(CellsOfScreen(Tk_Screen(tkwin)))); break; case WIN_SCREENDEPTH: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(DefaultDepthOfScreen(Tk_Screen(tkwin)))); break; case WIN_SCREENHEIGHT: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(HeightOfScreen(Tk_Screen(tkwin)))); break; case WIN_SCREENWIDTH: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(WidthOfScreen(Tk_Screen(tkwin)))); break; case WIN_SCREENMMHEIGHT: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(HeightMMOfScreen(Tk_Screen(tkwin)))); break; case WIN_SCREENMMWIDTH: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(WidthMMOfScreen(Tk_Screen(tkwin)))); break; case WIN_SCREENVISUAL: c_class = DefaultVisualOfScreen(Tk_Screen(tkwin))->c_class; goto visual; case WIN_SERVER: TkGetServerInfo(interp, tkwin); break; case WIN_TOPLEVEL: winPtr = GetTopHierarchy(tkwin); if (winPtr != NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj(winPtr->pathName, TCL_INDEX_NONE)); } break; case WIN_VIEWABLE: { int viewable = 0; for ( ; ; winPtr = winPtr->parentPtr) { if ((winPtr == NULL) || !(winPtr->flags & TK_MAPPED)) { break; } if (winPtr->flags & TK_TOP_HIERARCHY) { viewable = 1; break; } } Tcl_SetObjResult(interp, Tcl_NewBooleanObj(viewable)); break; } case WIN_VISUAL: c_class = Tk_Visual(tkwin)->c_class; visual: string = TkFindStateString(visualMap, c_class); if (string == NULL) { string = "unknown"; } Tcl_SetObjResult(interp, Tcl_NewStringObj(string, TCL_INDEX_NONE)); break; case WIN_VISUALID: Tcl_SetObjResult(interp, Tcl_ObjPrintf("0x%x", (unsigned) XVisualIDFromVisual(Tk_Visual(tkwin)))); break; case WIN_VROOTHEIGHT: Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height); Tcl_SetObjResult(interp, Tcl_NewWideIntObj(height)); break; case WIN_VROOTWIDTH: Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height); Tcl_SetObjResult(interp, Tcl_NewWideIntObj(width)); break; case WIN_VROOTX: Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height); Tcl_SetObjResult(interp, Tcl_NewWideIntObj(x)); break; case WIN_VROOTY: Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height); Tcl_SetObjResult(interp, Tcl_NewWideIntObj(y)); break; case WIN_WIDTH: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(Tk_Width(tkwin))); break; case WIN_X: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(Tk_X(tkwin))); break; case WIN_Y: Tcl_SetObjResult(interp, Tcl_NewWideIntObj(Tk_Y(tkwin))); break; /* * Uses -displayof. */ case WIN_ATOM: skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin); if (skip < 0) { return TCL_ERROR; } if (objc != 3 + skip) { Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window? name"); return TCL_ERROR; } objv += skip; string = Tcl_GetString(objv[2]); Tcl_SetObjResult(interp, Tcl_NewWideIntObj(Tk_InternAtom(tkwin, string))); break; case WIN_ATOMNAME: { const char *name; Tcl_WideInt id; skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin); if (skip < 0) { return TCL_ERROR; } if (objc != 3 + skip) { Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window? id"); return TCL_ERROR; } objv += skip; if (Tcl_GetWideIntFromObj(interp, objv[2], &id) != TCL_OK) { return TCL_ERROR; } name = Tk_GetAtomName(tkwin, (Atom) id); if (strcmp(name, "?bad atom?") == 0) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "no atom exists with id \"%s\"", Tcl_GetString(objv[2]))); Tcl_SetErrorCode(interp, "TK", "LOOKUP", "ATOM", Tcl_GetString(objv[2]), (char *)NULL); return TCL_ERROR; } Tcl_SetObjResult(interp, Tcl_NewStringObj(name, TCL_INDEX_NONE)); break; } case WIN_CONTAINING: skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin); if (skip < 0) { return TCL_ERROR; } if (objc != 4 + skip) { Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window? rootX rootY"); return TCL_ERROR; } objv += skip; string = Tcl_GetString(objv[2]); if (Tk_GetPixels(interp, tkwin, string, &x) != TCL_OK) { return TCL_ERROR; } string = Tcl_GetString(objv[3]); if (Tk_GetPixels(interp, tkwin, string, &y) != TCL_OK) { return TCL_ERROR; } tkwin = Tk_CoordsToWindow(x, y, tkwin); if (tkwin != NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj(Tk_PathName(tkwin), TCL_INDEX_NONE)); } break; case WIN_INTERPS: skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin); if (skip < 0) { return TCL_ERROR; } if (objc != 2 + skip) { Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window?"); return TCL_ERROR; } return TkGetInterpNames(interp, tkwin); case WIN_PATHNAME: { Window id; skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin); if (skip < 0) { return TCL_ERROR; } if (objc != 3 + skip) { Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window? id"); return TCL_ERROR; } string = Tcl_GetString(objv[2 + skip]); if (TkpScanWindowId(interp, string, &id) != TCL_OK) { return TCL_ERROR; } winPtr = (TkWindow *) Tk_IdToWindow(Tk_Display(tkwin), id); if ((winPtr == NULL) || (winPtr->mainPtr != ((TkWindow *) tkwin)->mainPtr)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "window id \"%s\" doesn't exist in this application", string)); Tcl_SetErrorCode(interp, "TK", "LOOKUP", "WINDOW", string, (char *)NULL); return TCL_ERROR; } /* * If the window is a utility window with no associated path (such as * a wrapper window or send communication window), just return an * empty string. */ tkwin = (Tk_Window) winPtr; if (Tk_PathName(tkwin) != NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj(Tk_PathName(tkwin), TCL_INDEX_NONE)); } break; } /* * objv[3] is window. */ case WIN_EXISTS: { int alive; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } string = Tcl_GetString(objv[2]); winPtr = (TkWindow *) Tk_NameToWindow(interp, string, tkwin); Tcl_ResetResult(interp); alive = 1; if ((winPtr == NULL) || (winPtr->flags & TK_ALREADY_DEAD)) { alive = 0; } Tcl_SetObjResult(interp, Tcl_NewBooleanObj(alive)); break; } case WIN_FPIXELS: { double mm, pixels; if (objc != 4) { Tcl_WrongNumArgs(interp, 2, objv, "window number"); return TCL_ERROR; } if (TkGetWindowFromObj(interp, tkwin, objv[2], &tkwin) != TCL_OK) { return TCL_ERROR; } string = Tcl_GetString(objv[3]); if (Tk_GetScreenMM(interp, tkwin, string, &mm) != TCL_OK) { return TCL_ERROR; } pixels = mm * WidthOfScreen(Tk_Screen(tkwin)) / WidthMMOfScreen(Tk_Screen(tkwin)); Tcl_SetObjResult(interp, Tcl_NewDoubleObj(pixels)); break; } case WIN_PIXELS: { int pixels; if (objc != 4) { Tcl_WrongNumArgs(interp, 2, objv, "window number"); return TCL_ERROR; } if (TkGetWindowFromObj(interp, tkwin, objv[2], &tkwin) != TCL_OK) { return TCL_ERROR; } string = Tcl_GetString(objv[3]); if (Tk_GetPixels(interp, tkwin, string, &pixels) != TCL_OK) { return TCL_ERROR; } Tcl_SetObjResult(interp, Tcl_NewWideIntObj(pixels)); break; } case WIN_RGB: { XColor *colorPtr; if (objc != 4) { Tcl_WrongNumArgs(interp, 2, objv, "window colorName"); return TCL_ERROR; } if (TkGetWindowFromObj(interp, tkwin, objv[2], &tkwin) != TCL_OK) { return TCL_ERROR; } #ifdef TK_HAS_DYNAMIC_COLORS /* * Make sure that the TkColor used for the winfo rgb command is * destroyed when we are through with it, so we do not get stale RGB * values next time. */ { Colormap temp = Tk_Colormap(tkwin); Tk_Colormap(tkwin) = TK_DYNAMIC_COLORMAP; colorPtr = Tk_GetColor(interp, tkwin, Tcl_GetString(objv[3])); Tk_Colormap(tkwin) = temp; } #else colorPtr = Tk_GetColor(interp, tkwin, Tcl_GetString(objv[3])); #endif if (colorPtr == NULL) { return TCL_ERROR; } Tcl_SetObjResult(interp, Tcl_ObjPrintf("%d %d %d", colorPtr->red, colorPtr->green, colorPtr->blue)); Tk_FreeColor(colorPtr); break; } case WIN_VISUALSAVAILABLE: { XVisualInfo templ, *visInfoPtr; int count, i; int includeVisualId; Tcl_Obj *strPtr, *resultPtr; char buf[16 + TCL_INTEGER_SPACE]; char visualIdString[TCL_INTEGER_SPACE]; if (objc == 3) { includeVisualId = 0; } else if ((objc == 4) && (strcmp(Tcl_GetString(objv[3]), "includeids") == 0)) { includeVisualId = 1; } else { Tcl_WrongNumArgs(interp, 2, objv, "window ?includeids?"); return TCL_ERROR; } if (TkGetWindowFromObj(interp, tkwin, objv[2], &tkwin) != TCL_OK) { return TCL_ERROR; } templ.screen = Tk_ScreenNumber(tkwin); visInfoPtr = XGetVisualInfo(Tk_Display(tkwin), VisualScreenMask, &templ, &count); if (visInfoPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "can't find any visuals for screen", TCL_INDEX_NONE)); Tcl_SetErrorCode(interp, "TK", "VISUAL", "NONE", (char *)NULL); return TCL_ERROR; } resultPtr = Tcl_NewObj(); for (i = 0; i < count; i++) { string = TkFindStateString(visualMap, visInfoPtr[i].c_class); if (string == NULL) { strcpy(buf, "unknown"); } else { snprintf(buf, sizeof(buf), "%s %d", string, visInfoPtr[i].depth); } if (includeVisualId) { snprintf(visualIdString, sizeof(visualIdString), " 0x%lx", (unsigned long) visInfoPtr[i].visualid); strcat(buf, visualIdString); } strPtr = Tcl_NewStringObj(buf, TCL_INDEX_NONE); Tcl_ListObjAppendElement(NULL, resultPtr, strPtr); } Tcl_SetObjResult(interp, resultPtr); XFree(visInfoPtr); break; } } return TCL_OK; } /* *---------------------------------------------------------------------- * * TkGetDisplayOf -- * * Parses a "-displayof window" option for various commands. If present, * the literal "-displayof" should be in objv[0] and the window name in * objv[1]. * * Results: * The return value is 0 if the argument strings did not contain the * "-displayof" option. The return value is 2 if the argument strings * contained both the "-displayof" option and a valid window name. * Otherwise, the return value is TCL_INDEX_NONE if the window name * was missing or did not specify a valid window. * * If the return value was 2, *tkwinPtr is filled with the token for the * window specified on the command line. If the return value was * TCL_INDEX_NONE, an error message is left in interp's result object. * * Side effects: * None. * *---------------------------------------------------------------------- */ Tcl_Size TkGetDisplayOf( Tcl_Interp *interp, /* Interpreter for error reporting. */ Tcl_Size objc, /* Number of arguments. */ Tcl_Obj *const objv[], /* Argument objects. If it is present, * "-displayof" should be in objv[0] and * objv[1] the name of a window. */ Tk_Window *tkwinPtr) /* On input, contains main window of * application associated with interp. On * output, filled with window specified as * option to "-displayof" argument, or * unmodified if "-displayof" argument was not * present. */ { const char *string; Tcl_Size length; if (objc + 1 < 2) { return 0; } string = Tcl_GetStringFromObj(objv[0], &length); if ((length >= 2) && (strncmp(string, "-displayof", length) == 0)) { if (objc < 2) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "value for \"-displayof\" missing", TCL_INDEX_NONE)); Tcl_SetErrorCode(interp, "TK", "NO_VALUE", "DISPLAYOF", (char *)NULL); return TCL_INDEX_NONE; } *tkwinPtr = Tk_NameToWindow(interp, Tcl_GetString(objv[1]), *tkwinPtr); if (*tkwinPtr == NULL) { return TCL_INDEX_NONE; } return 2; } return 0; } /* *---------------------------------------------------------------------- * * TkDeadAppObjCmd -- * * If an application has been deleted then all Tk commands will be * re-bound to this function. * * Results: * A standard Tcl error is reported to let the user know that the * application is dead. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ int TkDeadAppObjCmd( TCL_UNUSED(void *), Tcl_Interp *interp, /* Current interpreter. */ TCL_UNUSED(int), /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument strings. */ { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't invoke \"%s\" command: application has been destroyed", Tcl_GetString(objv[0]))); return TCL_ERROR; } /* *---------------------------------------------------------------------- * * GetTopHierarchy -- * * Retrieves the top-of-hierarchy window which is the nearest ancestor of * the specified window. * * Results: * Returns the top-of-hierarchy window, or NULL if the window has no * ancestor which is at the top of a physical window hierarchy. * * Side effects: * None. * *---------------------------------------------------------------------- */ static TkWindow * GetTopHierarchy( Tk_Window tkwin) /* Window for which the top-of-hierarchy * ancestor should be determined. */ { TkWindow *winPtr = (TkWindow *) tkwin; while ((winPtr != NULL) && !(winPtr->flags & TK_TOP_HIERARCHY)) { winPtr = winPtr->parentPtr; } return winPtr; } /* * Local Variables: * mode: c * c-basic-offset: 4 * fill-column: 78 * End: */