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/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tk_base/tkoldconfig.c,v 1.1.1.1 2001/06/13 05:06:29 dtashley Exp $ */ |
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/* |
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* tkOldConfig.c -- |
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* |
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* This file contains the Tk_ConfigureWidget procedure. THIS FILE |
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* IS HERE FOR BACKWARD COMPATIBILITY; THE NEW CONFIGURATION |
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* PACKAGE SHOULD BE USED FOR NEW PROJECTS. |
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* |
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* Copyright (c) 1990-1994 The Regents of the University of California. |
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* Copyright (c) 1994-1997 Sun Microsystems, Inc. |
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* |
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* See the file "license.terms" for information on usage and redistribution |
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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* |
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* RCS: @(#) $Id: tkoldconfig.c,v 1.1.1.1 2001/06/13 05:06:29 dtashley Exp $ |
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*/ |
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#include "tkPort.h" |
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#include "tk.h" |
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/* |
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* Values for "flags" field of Tk_ConfigSpec structures. Be sure |
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* to coordinate these values with those defined in tk.h |
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* (TK_CONFIG_COLOR_ONLY, etc.). There must not be overlap! |
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* |
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* INIT - Non-zero means (char *) things have been |
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* converted to Tk_Uid's. |
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*/ |
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#define INIT 0x20 |
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/* |
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* Forward declarations for procedures defined later in this file: |
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*/ |
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static int DoConfig _ANSI_ARGS_((Tcl_Interp *interp, |
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Tk_Window tkwin, Tk_ConfigSpec *specPtr, |
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Tk_Uid value, int valueIsUid, char *widgRec)); |
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static Tk_ConfigSpec * FindConfigSpec _ANSI_ARGS_((Tcl_Interp *interp, |
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Tk_ConfigSpec *specs, char *argvName, |
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int needFlags, int hateFlags)); |
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static char * FormatConfigInfo _ANSI_ARGS_((Tcl_Interp *interp, |
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Tk_Window tkwin, Tk_ConfigSpec *specPtr, |
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char *widgRec)); |
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static char * FormatConfigValue _ANSI_ARGS_((Tcl_Interp *interp, |
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Tk_Window tkwin, Tk_ConfigSpec *specPtr, |
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char *widgRec, char *buffer, |
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Tcl_FreeProc **freeProcPtr)); |
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/* |
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*-------------------------------------------------------------- |
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* |
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* Tk_ConfigureWidget -- |
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* |
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* Process command-line options and database options to |
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* fill in fields of a widget record with resources and |
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* other parameters. |
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* |
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* Results: |
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* A standard Tcl return value. In case of an error, |
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* the interp's result will hold an error message. |
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* |
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* Side effects: |
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* The fields of widgRec get filled in with information |
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* from argc/argv and the option database. Old information |
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* in widgRec's fields gets recycled. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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int |
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Tk_ConfigureWidget(interp, tkwin, specs, argc, argv, widgRec, flags) |
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Tcl_Interp *interp; /* Interpreter for error reporting. */ |
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Tk_Window tkwin; /* Window containing widget (needed to |
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* set up X resources). */ |
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Tk_ConfigSpec *specs; /* Describes legal options. */ |
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int argc; /* Number of elements in argv. */ |
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char **argv; /* Command-line options. */ |
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char *widgRec; /* Record whose fields are to be |
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* modified. Values must be properly |
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* initialized. */ |
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int flags; /* Used to specify additional flags |
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* that must be present in config specs |
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* for them to be considered. Also, |
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* may have TK_CONFIG_ARGV_ONLY set. */ |
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{ |
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register Tk_ConfigSpec *specPtr; |
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Tk_Uid value; /* Value of option from database. */ |
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int needFlags; /* Specs must contain this set of flags |
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* or else they are not considered. */ |
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int hateFlags; /* If a spec contains any bits here, it's |
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* not considered. */ |
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if (tkwin == NULL) { |
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/* |
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* Either we're not really in Tk, or the main window was destroyed and |
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* we're on our way out of the application |
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*/ |
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Tcl_AppendResult(interp, "NULL main window", (char *)NULL); |
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return TCL_ERROR; |
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} |
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needFlags = flags & ~(TK_CONFIG_USER_BIT - 1); |
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if (Tk_Depth(tkwin) <= 1) { |
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hateFlags = TK_CONFIG_COLOR_ONLY; |
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} else { |
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hateFlags = TK_CONFIG_MONO_ONLY; |
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} |
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/* |
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* Pass one: scan through all the option specs, replacing strings |
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* with Tk_Uid structs (if this hasn't been done already) and |
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* clearing the TK_CONFIG_OPTION_SPECIFIED flags. |
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*/ |
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for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
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if (!(specPtr->specFlags & INIT) && (specPtr->argvName != NULL)) { |
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if (specPtr->dbName != NULL) { |
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specPtr->dbName = Tk_GetUid(specPtr->dbName); |
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} |
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if (specPtr->dbClass != NULL) { |
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specPtr->dbClass = Tk_GetUid(specPtr->dbClass); |
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} |
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if (specPtr->defValue != NULL) { |
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specPtr->defValue = Tk_GetUid(specPtr->defValue); |
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} |
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} |
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specPtr->specFlags = (specPtr->specFlags & ~TK_CONFIG_OPTION_SPECIFIED) |
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| INIT; |
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} |
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/* |
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* Pass two: scan through all of the arguments, processing those |
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* that match entries in the specs. |
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*/ |
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for ( ; argc > 0; argc -= 2, argv += 2) { |
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char *arg; |
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if (flags & TK_CONFIG_OBJS) { |
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arg = Tcl_GetStringFromObj((Tcl_Obj *) *argv, NULL); |
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} else { |
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arg = *argv; |
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} |
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specPtr = FindConfigSpec(interp, specs, arg, needFlags, hateFlags); |
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if (specPtr == NULL) { |
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return TCL_ERROR; |
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} |
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/* |
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* Process the entry. |
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*/ |
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if (argc < 2) { |
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Tcl_AppendResult(interp, "value for \"", arg, |
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"\" missing", (char *) NULL); |
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return TCL_ERROR; |
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} |
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if (flags & TK_CONFIG_OBJS) { |
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arg = Tcl_GetString((Tcl_Obj *) argv[1]); |
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} else { |
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arg = argv[1]; |
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} |
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if (DoConfig(interp, tkwin, specPtr, arg, 0, widgRec) != TCL_OK) { |
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char msg[100]; |
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sprintf(msg, "\n (processing \"%.40s\" option)", |
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specPtr->argvName); |
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Tcl_AddErrorInfo(interp, msg); |
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return TCL_ERROR; |
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} |
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specPtr->specFlags |= TK_CONFIG_OPTION_SPECIFIED; |
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} |
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/* |
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* Pass three: scan through all of the specs again; if no |
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* command-line argument matched a spec, then check for info |
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* in the option database. If there was nothing in the |
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* database, then use the default. |
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*/ |
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if (!(flags & TK_CONFIG_ARGV_ONLY)) { |
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for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
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if ((specPtr->specFlags & TK_CONFIG_OPTION_SPECIFIED) |
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|| (specPtr->argvName == NULL) |
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|| (specPtr->type == TK_CONFIG_SYNONYM)) { |
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continue; |
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} |
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if (((specPtr->specFlags & needFlags) != needFlags) |
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|| (specPtr->specFlags & hateFlags)) { |
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continue; |
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} |
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value = NULL; |
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if (specPtr->dbName != NULL) { |
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value = Tk_GetOption(tkwin, specPtr->dbName, specPtr->dbClass); |
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} |
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if (value != NULL) { |
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if (DoConfig(interp, tkwin, specPtr, value, 1, widgRec) != |
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TCL_OK) { |
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char msg[200]; |
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sprintf(msg, "\n (%s \"%.50s\" in widget \"%.50s\")", |
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"database entry for", |
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specPtr->dbName, Tk_PathName(tkwin)); |
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Tcl_AddErrorInfo(interp, msg); |
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return TCL_ERROR; |
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} |
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} else { |
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if (specPtr->defValue != NULL) { |
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value = Tk_GetUid(specPtr->defValue); |
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} else { |
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value = NULL; |
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} |
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if ((value != NULL) && !(specPtr->specFlags |
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& TK_CONFIG_DONT_SET_DEFAULT)) { |
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if (DoConfig(interp, tkwin, specPtr, value, 1, widgRec) != |
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TCL_OK) { |
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char msg[200]; |
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sprintf(msg, |
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"\n (%s \"%.50s\" in widget \"%.50s\")", |
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"default value for", |
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specPtr->dbName, Tk_PathName(tkwin)); |
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Tcl_AddErrorInfo(interp, msg); |
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return TCL_ERROR; |
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} |
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} |
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} |
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} |
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} |
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return TCL_OK; |
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} |
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/* |
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*-------------------------------------------------------------- |
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* |
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* FindConfigSpec -- |
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* |
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* Search through a table of configuration specs, looking for |
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* one that matches a given argvName. |
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* |
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* Results: |
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* The return value is a pointer to the matching entry, or NULL |
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* if nothing matched. In that case an error message is left |
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* in the interp's result. |
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* |
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* Side effects: |
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* None. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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static Tk_ConfigSpec * |
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FindConfigSpec(interp, specs, argvName, needFlags, hateFlags) |
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Tcl_Interp *interp; /* Used for reporting errors. */ |
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Tk_ConfigSpec *specs; /* Pointer to table of configuration |
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* specifications for a widget. */ |
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char *argvName; /* Name (suitable for use in a "config" |
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* command) identifying particular option. */ |
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int needFlags; /* Flags that must be present in matching |
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* entry. */ |
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int hateFlags; /* Flags that must NOT be present in |
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* matching entry. */ |
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{ |
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register Tk_ConfigSpec *specPtr; |
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register char c; /* First character of current argument. */ |
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Tk_ConfigSpec *matchPtr; /* Matching spec, or NULL. */ |
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size_t length; |
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c = argvName[1]; |
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length = strlen(argvName); |
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matchPtr = NULL; |
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for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
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if (specPtr->argvName == NULL) { |
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continue; |
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} |
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if ((specPtr->argvName[1] != c) |
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|| (strncmp(specPtr->argvName, argvName, length) != 0)) { |
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continue; |
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} |
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if (((specPtr->specFlags & needFlags) != needFlags) |
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|| (specPtr->specFlags & hateFlags)) { |
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continue; |
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} |
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if (specPtr->argvName[length] == 0) { |
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matchPtr = specPtr; |
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goto gotMatch; |
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} |
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if (matchPtr != NULL) { |
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Tcl_AppendResult(interp, "ambiguous option \"", argvName, |
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"\"", (char *) NULL); |
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return (Tk_ConfigSpec *) NULL; |
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} |
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matchPtr = specPtr; |
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} |
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if (matchPtr == NULL) { |
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Tcl_AppendResult(interp, "unknown option \"", argvName, |
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"\"", (char *) NULL); |
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return (Tk_ConfigSpec *) NULL; |
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} |
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/* |
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* Found a matching entry. If it's a synonym, then find the |
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* entry that it's a synonym for. |
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*/ |
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gotMatch: |
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specPtr = matchPtr; |
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if (specPtr->type == TK_CONFIG_SYNONYM) { |
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for (specPtr = specs; ; specPtr++) { |
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if (specPtr->type == TK_CONFIG_END) { |
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Tcl_AppendResult(interp, |
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"couldn't find synonym for option \"", |
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argvName, "\"", (char *) NULL); |
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return (Tk_ConfigSpec *) NULL; |
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} |
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if ((specPtr->dbName == matchPtr->dbName) |
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&& (specPtr->type != TK_CONFIG_SYNONYM) |
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&& ((specPtr->specFlags & needFlags) == needFlags) |
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&& !(specPtr->specFlags & hateFlags)) { |
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break; |
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} |
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} |
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} |
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return specPtr; |
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} |
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/* |
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*-------------------------------------------------------------- |
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* |
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* DoConfig -- |
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* |
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* This procedure applies a single configuration option |
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* to a widget record. |
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* |
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* Results: |
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* A standard Tcl return value. |
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* |
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* Side effects: |
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* WidgRec is modified as indicated by specPtr and value. |
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* The old value is recycled, if that is appropriate for |
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* the value type. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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static int |
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DoConfig(interp, tkwin, specPtr, value, valueIsUid, widgRec) |
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Tcl_Interp *interp; /* Interpreter for error reporting. */ |
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Tk_Window tkwin; /* Window containing widget (needed to |
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* set up X resources). */ |
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Tk_ConfigSpec *specPtr; /* Specifier to apply. */ |
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char *value; /* Value to use to fill in widgRec. */ |
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int valueIsUid; /* Non-zero means value is a Tk_Uid; |
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* zero means it's an ordinary string. */ |
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char *widgRec; /* Record whose fields are to be |
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* modified. Values must be properly |
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* initialized. */ |
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{ |
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char *ptr; |
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Tk_Uid uid; |
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int nullValue; |
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nullValue = 0; |
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if ((*value == 0) && (specPtr->specFlags & TK_CONFIG_NULL_OK)) { |
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nullValue = 1; |
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} |
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do { |
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ptr = widgRec + specPtr->offset; |
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switch (specPtr->type) { |
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case TK_CONFIG_BOOLEAN: |
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if (Tcl_GetBoolean(interp, value, (int *) ptr) != TCL_OK) { |
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return TCL_ERROR; |
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} |
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break; |
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case TK_CONFIG_INT: |
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if (Tcl_GetInt(interp, value, (int *) ptr) != TCL_OK) { |
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return TCL_ERROR; |
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} |
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break; |
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case TK_CONFIG_DOUBLE: |
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if (Tcl_GetDouble(interp, value, (double *) ptr) != TCL_OK) { |
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return TCL_ERROR; |
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} |
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break; |
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case TK_CONFIG_STRING: { |
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char *old, *new; |
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if (nullValue) { |
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new = NULL; |
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} else { |
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new = (char *) ckalloc((unsigned) (strlen(value) + 1)); |
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strcpy(new, value); |
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} |
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old = *((char **) ptr); |
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if (old != NULL) { |
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ckfree(old); |
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} |
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*((char **) ptr) = new; |
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break; |
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} |
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case TK_CONFIG_UID: |
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if (nullValue) { |
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*((Tk_Uid *) ptr) = NULL; |
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} else { |
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uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
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*((Tk_Uid *) ptr) = uid; |
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} |
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break; |
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case TK_CONFIG_COLOR: { |
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XColor *newPtr, *oldPtr; |
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if (nullValue) { |
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newPtr = NULL; |
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} else { |
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uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
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newPtr = Tk_GetColor(interp, tkwin, uid); |
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if (newPtr == NULL) { |
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return TCL_ERROR; |
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} |
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} |
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oldPtr = *((XColor **) ptr); |
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if (oldPtr != NULL) { |
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Tk_FreeColor(oldPtr); |
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} |
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*((XColor **) ptr) = newPtr; |
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break; |
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} |
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case TK_CONFIG_FONT: { |
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Tk_Font new; |
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if (nullValue) { |
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new = NULL; |
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} else { |
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new = Tk_GetFont(interp, tkwin, value); |
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if (new == NULL) { |
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return TCL_ERROR; |
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} |
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} |
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Tk_FreeFont(*((Tk_Font *) ptr)); |
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*((Tk_Font *) ptr) = new; |
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break; |
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} |
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case TK_CONFIG_BITMAP: { |
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Pixmap new, old; |
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if (nullValue) { |
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new = None; |
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} else { |
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uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
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new = Tk_GetBitmap(interp, tkwin, uid); |
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if (new == None) { |
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return TCL_ERROR; |
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} |
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} |
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old = *((Pixmap *) ptr); |
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if (old != None) { |
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Tk_FreeBitmap(Tk_Display(tkwin), old); |
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} |
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*((Pixmap *) ptr) = new; |
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break; |
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} |
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case TK_CONFIG_BORDER: { |
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Tk_3DBorder new, old; |
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if (nullValue) { |
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new = NULL; |
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} else { |
|
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uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
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new = Tk_Get3DBorder(interp, tkwin, uid); |
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|
if (new == NULL) { |
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return TCL_ERROR; |
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|
} |
|
|
} |
|
|
old = *((Tk_3DBorder *) ptr); |
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|
if (old != NULL) { |
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|
Tk_Free3DBorder(old); |
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|
} |
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|
*((Tk_3DBorder *) ptr) = new; |
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break; |
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} |
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|
case TK_CONFIG_RELIEF: |
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|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
|
|
if (Tk_GetRelief(interp, uid, (int *) ptr) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_CURSOR: |
|
|
case TK_CONFIG_ACTIVE_CURSOR: { |
|
|
Tk_Cursor new, old; |
|
|
|
|
|
if (nullValue) { |
|
|
new = None; |
|
|
} else { |
|
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
|
|
new = Tk_GetCursor(interp, tkwin, uid); |
|
|
if (new == None) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
} |
|
|
old = *((Tk_Cursor *) ptr); |
|
|
if (old != None) { |
|
|
Tk_FreeCursor(Tk_Display(tkwin), old); |
|
|
} |
|
|
*((Tk_Cursor *) ptr) = new; |
|
|
if (specPtr->type == TK_CONFIG_ACTIVE_CURSOR) { |
|
|
Tk_DefineCursor(tkwin, new); |
|
|
} |
|
|
break; |
|
|
} |
|
|
case TK_CONFIG_JUSTIFY: |
|
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
|
|
if (Tk_GetJustify(interp, uid, (Tk_Justify *) ptr) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_ANCHOR: |
|
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
|
|
if (Tk_GetAnchor(interp, uid, (Tk_Anchor *) ptr) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_CAP_STYLE: |
|
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
|
|
if (Tk_GetCapStyle(interp, uid, (int *) ptr) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_JOIN_STYLE: |
|
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
|
|
if (Tk_GetJoinStyle(interp, uid, (int *) ptr) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_PIXELS: |
|
|
if (Tk_GetPixels(interp, tkwin, value, (int *) ptr) |
|
|
!= TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_MM: |
|
|
if (Tk_GetScreenMM(interp, tkwin, value, (double *) ptr) |
|
|
!= TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_WINDOW: { |
|
|
Tk_Window tkwin2; |
|
|
|
|
|
if (nullValue) { |
|
|
tkwin2 = NULL; |
|
|
} else { |
|
|
tkwin2 = Tk_NameToWindow(interp, value, tkwin); |
|
|
if (tkwin2 == NULL) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
} |
|
|
*((Tk_Window *) ptr) = tkwin2; |
|
|
break; |
|
|
} |
|
|
case TK_CONFIG_CUSTOM: |
|
|
if ((*specPtr->customPtr->parseProc)( |
|
|
specPtr->customPtr->clientData, interp, tkwin, |
|
|
value, widgRec, specPtr->offset) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
break; |
|
|
default: { |
|
|
char buf[64 + TCL_INTEGER_SPACE]; |
|
|
|
|
|
sprintf(buf, "bad config table: unknown type %d", |
|
|
specPtr->type); |
|
|
Tcl_SetResult(interp, buf, TCL_VOLATILE); |
|
|
return TCL_ERROR; |
|
|
} |
|
|
} |
|
|
specPtr++; |
|
|
} while ((specPtr->argvName == NULL) && (specPtr->type != TK_CONFIG_END)); |
|
|
return TCL_OK; |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* Tk_ConfigureInfo -- |
|
|
* |
|
|
* Return information about the configuration options |
|
|
* for a window, and their current values. |
|
|
* |
|
|
* Results: |
|
|
* Always returns TCL_OK. The interp's result will be modified |
|
|
* hold a description of either a single configuration option |
|
|
* available for "widgRec" via "specs", or all the configuration |
|
|
* options available. In the "all" case, the result will |
|
|
* available for "widgRec" via "specs". The result will |
|
|
* be a list, each of whose entries describes one option. |
|
|
* Each entry will itself be a list containing the option's |
|
|
* name for use on command lines, database name, database |
|
|
* class, default value, and current value (empty string |
|
|
* if none). For options that are synonyms, the list will |
|
|
* contain only two values: name and synonym name. If the |
|
|
* "name" argument is non-NULL, then the only information |
|
|
* returned is that for the named argument (i.e. the corresponding |
|
|
* entry in the overall list is returned). |
|
|
* |
|
|
* Side effects: |
|
|
* None. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int |
|
|
Tk_ConfigureInfo(interp, tkwin, specs, widgRec, argvName, flags) |
|
|
Tcl_Interp *interp; /* Interpreter for error reporting. */ |
|
|
Tk_Window tkwin; /* Window corresponding to widgRec. */ |
|
|
Tk_ConfigSpec *specs; /* Describes legal options. */ |
|
|
char *widgRec; /* Record whose fields contain current |
|
|
* values for options. */ |
|
|
char *argvName; /* If non-NULL, indicates a single option |
|
|
* whose info is to be returned. Otherwise |
|
|
* info is returned for all options. */ |
|
|
int flags; /* Used to specify additional flags |
|
|
* that must be present in config specs |
|
|
* for them to be considered. */ |
|
|
{ |
|
|
register Tk_ConfigSpec *specPtr; |
|
|
int needFlags, hateFlags; |
|
|
char *list; |
|
|
char *leader = "{"; |
|
|
|
|
|
needFlags = flags & ~(TK_CONFIG_USER_BIT - 1); |
|
|
if (Tk_Depth(tkwin) <= 1) { |
|
|
hateFlags = TK_CONFIG_COLOR_ONLY; |
|
|
} else { |
|
|
hateFlags = TK_CONFIG_MONO_ONLY; |
|
|
} |
|
|
|
|
|
/* |
|
|
* If information is only wanted for a single configuration |
|
|
* spec, then handle that one spec specially. |
|
|
*/ |
|
|
|
|
|
Tcl_SetResult(interp, (char *) NULL, TCL_STATIC); |
|
|
if (argvName != NULL) { |
|
|
specPtr = FindConfigSpec(interp, specs, argvName, needFlags, |
|
|
hateFlags); |
|
|
if (specPtr == NULL) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
Tcl_SetResult(interp, |
|
|
FormatConfigInfo(interp, tkwin, specPtr, widgRec), |
|
|
TCL_DYNAMIC); |
|
|
return TCL_OK; |
|
|
} |
|
|
|
|
|
/* |
|
|
* Loop through all the specs, creating a big list with all |
|
|
* their information. |
|
|
*/ |
|
|
|
|
|
for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
|
|
if ((argvName != NULL) && (specPtr->argvName != argvName)) { |
|
|
continue; |
|
|
} |
|
|
if (((specPtr->specFlags & needFlags) != needFlags) |
|
|
|| (specPtr->specFlags & hateFlags)) { |
|
|
continue; |
|
|
} |
|
|
if (specPtr->argvName == NULL) { |
|
|
continue; |
|
|
} |
|
|
list = FormatConfigInfo(interp, tkwin, specPtr, widgRec); |
|
|
Tcl_AppendResult(interp, leader, list, "}", (char *) NULL); |
|
|
ckfree(list); |
|
|
leader = " {"; |
|
|
} |
|
|
return TCL_OK; |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* FormatConfigInfo -- |
|
|
* |
|
|
* Create a valid Tcl list holding the configuration information |
|
|
* for a single configuration option. |
|
|
* |
|
|
* Results: |
|
|
* A Tcl list, dynamically allocated. The caller is expected to |
|
|
* arrange for this list to be freed eventually. |
|
|
* |
|
|
* Side effects: |
|
|
* Memory is allocated. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static char * |
|
|
FormatConfigInfo(interp, tkwin, specPtr, widgRec) |
|
|
Tcl_Interp *interp; /* Interpreter to use for things |
|
|
* like floating-point precision. */ |
|
|
Tk_Window tkwin; /* Window corresponding to widget. */ |
|
|
register Tk_ConfigSpec *specPtr; /* Pointer to information describing |
|
|
* option. */ |
|
|
char *widgRec; /* Pointer to record holding current |
|
|
* values of info for widget. */ |
|
|
{ |
|
|
char *argv[6], *result; |
|
|
char buffer[200]; |
|
|
Tcl_FreeProc *freeProc = (Tcl_FreeProc *) NULL; |
|
|
|
|
|
argv[0] = specPtr->argvName; |
|
|
argv[1] = specPtr->dbName; |
|
|
argv[2] = specPtr->dbClass; |
|
|
argv[3] = specPtr->defValue; |
|
|
if (specPtr->type == TK_CONFIG_SYNONYM) { |
|
|
return Tcl_Merge(2, argv); |
|
|
} |
|
|
argv[4] = FormatConfigValue(interp, tkwin, specPtr, widgRec, buffer, |
|
|
&freeProc); |
|
|
if (argv[1] == NULL) { |
|
|
argv[1] = ""; |
|
|
} |
|
|
if (argv[2] == NULL) { |
|
|
argv[2] = ""; |
|
|
} |
|
|
if (argv[3] == NULL) { |
|
|
argv[3] = ""; |
|
|
} |
|
|
if (argv[4] == NULL) { |
|
|
argv[4] = ""; |
|
|
} |
|
|
result = Tcl_Merge(5, argv); |
|
|
if (freeProc != NULL) { |
|
|
if ((freeProc == TCL_DYNAMIC) || (freeProc == (Tcl_FreeProc *) free)) { |
|
|
ckfree(argv[4]); |
|
|
} else { |
|
|
(*freeProc)(argv[4]); |
|
|
} |
|
|
} |
|
|
return result; |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* FormatConfigValue -- |
|
|
* |
|
|
* This procedure formats the current value of a configuration |
|
|
* option. |
|
|
* |
|
|
* Results: |
|
|
* The return value is the formatted value of the option given |
|
|
* by specPtr and widgRec. If the value is static, so that it |
|
|
* need not be freed, *freeProcPtr will be set to NULL; otherwise |
|
|
* *freeProcPtr will be set to the address of a procedure to |
|
|
* free the result, and the caller must invoke this procedure |
|
|
* when it is finished with the result. |
|
|
* |
|
|
* Side effects: |
|
|
* None. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static char * |
|
|
FormatConfigValue(interp, tkwin, specPtr, widgRec, buffer, freeProcPtr) |
|
|
Tcl_Interp *interp; /* Interpreter for use in real conversions. */ |
|
|
Tk_Window tkwin; /* Window corresponding to widget. */ |
|
|
Tk_ConfigSpec *specPtr; /* Pointer to information describing option. |
|
|
* Must not point to a synonym option. */ |
|
|
char *widgRec; /* Pointer to record holding current |
|
|
* values of info for widget. */ |
|
|
char *buffer; /* Static buffer to use for small values. |
|
|
* Must have at least 200 bytes of storage. */ |
|
|
Tcl_FreeProc **freeProcPtr; /* Pointer to word to fill in with address |
|
|
* of procedure to free the result, or NULL |
|
|
* if result is static. */ |
|
|
{ |
|
|
char *ptr, *result; |
|
|
|
|
|
*freeProcPtr = NULL; |
|
|
ptr = widgRec + specPtr->offset; |
|
|
result = ""; |
|
|
switch (specPtr->type) { |
|
|
case TK_CONFIG_BOOLEAN: |
|
|
if (*((int *) ptr) == 0) { |
|
|
result = "0"; |
|
|
} else { |
|
|
result = "1"; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_INT: |
|
|
sprintf(buffer, "%d", *((int *) ptr)); |
|
|
result = buffer; |
|
|
break; |
|
|
case TK_CONFIG_DOUBLE: |
|
|
Tcl_PrintDouble(interp, *((double *) ptr), buffer); |
|
|
result = buffer; |
|
|
break; |
|
|
case TK_CONFIG_STRING: |
|
|
result = (*(char **) ptr); |
|
|
if (result == NULL) { |
|
|
result = ""; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_UID: { |
|
|
Tk_Uid uid = *((Tk_Uid *) ptr); |
|
|
if (uid != NULL) { |
|
|
result = uid; |
|
|
} |
|
|
break; |
|
|
} |
|
|
case TK_CONFIG_COLOR: { |
|
|
XColor *colorPtr = *((XColor **) ptr); |
|
|
if (colorPtr != NULL) { |
|
|
result = Tk_NameOfColor(colorPtr); |
|
|
} |
|
|
break; |
|
|
} |
|
|
case TK_CONFIG_FONT: { |
|
|
Tk_Font tkfont = *((Tk_Font *) ptr); |
|
|
if (tkfont != NULL) { |
|
|
result = Tk_NameOfFont(tkfont); |
|
|
} |
|
|
break; |
|
|
} |
|
|
case TK_CONFIG_BITMAP: { |
|
|
Pixmap pixmap = *((Pixmap *) ptr); |
|
|
if (pixmap != None) { |
|
|
result = Tk_NameOfBitmap(Tk_Display(tkwin), pixmap); |
|
|
} |
|
|
break; |
|
|
} |
|
|
case TK_CONFIG_BORDER: { |
|
|
Tk_3DBorder border = *((Tk_3DBorder *) ptr); |
|
|
if (border != NULL) { |
|
|
result = Tk_NameOf3DBorder(border); |
|
|
} |
|
|
break; |
|
|
} |
|
|
case TK_CONFIG_RELIEF: |
|
|
result = Tk_NameOfRelief(*((int *) ptr)); |
|
|
break; |
|
|
case TK_CONFIG_CURSOR: |
|
|
case TK_CONFIG_ACTIVE_CURSOR: { |
|
|
Tk_Cursor cursor = *((Tk_Cursor *) ptr); |
|
|
if (cursor != None) { |
|
|
result = Tk_NameOfCursor(Tk_Display(tkwin), cursor); |
|
|
} |
|
|
break; |
|
|
} |
|
|
case TK_CONFIG_JUSTIFY: |
|
|
result = Tk_NameOfJustify(*((Tk_Justify *) ptr)); |
|
|
break; |
|
|
case TK_CONFIG_ANCHOR: |
|
|
result = Tk_NameOfAnchor(*((Tk_Anchor *) ptr)); |
|
|
break; |
|
|
case TK_CONFIG_CAP_STYLE: |
|
|
result = Tk_NameOfCapStyle(*((int *) ptr)); |
|
|
break; |
|
|
case TK_CONFIG_JOIN_STYLE: |
|
|
result = Tk_NameOfJoinStyle(*((int *) ptr)); |
|
|
break; |
|
|
case TK_CONFIG_PIXELS: |
|
|
sprintf(buffer, "%d", *((int *) ptr)); |
|
|
result = buffer; |
|
|
break; |
|
|
case TK_CONFIG_MM: |
|
|
Tcl_PrintDouble(interp, *((double *) ptr), buffer); |
|
|
result = buffer; |
|
|
break; |
|
|
case TK_CONFIG_WINDOW: { |
|
|
Tk_Window tkwin; |
|
|
|
|
|
tkwin = *((Tk_Window *) ptr); |
|
|
if (tkwin != NULL) { |
|
|
result = Tk_PathName(tkwin); |
|
|
} |
|
|
break; |
|
|
} |
|
|
case TK_CONFIG_CUSTOM: |
|
|
result = (*specPtr->customPtr->printProc)( |
|
|
specPtr->customPtr->clientData, tkwin, widgRec, |
|
|
specPtr->offset, freeProcPtr); |
|
|
break; |
|
|
default: |
|
|
result = "?? unknown type ??"; |
|
|
} |
|
|
return result; |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* Tk_ConfigureValue -- |
|
|
* |
|
|
* This procedure returns the current value of a configuration |
|
|
* option for a widget. |
|
|
* |
|
|
* Results: |
|
|
* The return value is a standard Tcl completion code (TCL_OK or |
|
|
* TCL_ERROR). The interp's result will be set to hold either the value |
|
|
* of the option given by argvName (if TCL_OK is returned) or |
|
|
* an error message (if TCL_ERROR is returned). |
|
|
* |
|
|
* Side effects: |
|
|
* None. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int |
|
|
Tk_ConfigureValue(interp, tkwin, specs, widgRec, argvName, flags) |
|
|
Tcl_Interp *interp; /* Interpreter for error reporting. */ |
|
|
Tk_Window tkwin; /* Window corresponding to widgRec. */ |
|
|
Tk_ConfigSpec *specs; /* Describes legal options. */ |
|
|
char *widgRec; /* Record whose fields contain current |
|
|
* values for options. */ |
|
|
char *argvName; /* Gives the command-line name for the |
|
|
* option whose value is to be returned. */ |
|
|
int flags; /* Used to specify additional flags |
|
|
* that must be present in config specs |
|
|
* for them to be considered. */ |
|
|
{ |
|
|
Tk_ConfigSpec *specPtr; |
|
|
int needFlags, hateFlags; |
|
|
|
|
|
needFlags = flags & ~(TK_CONFIG_USER_BIT - 1); |
|
|
if (Tk_Depth(tkwin) <= 1) { |
|
|
hateFlags = TK_CONFIG_COLOR_ONLY; |
|
|
} else { |
|
|
hateFlags = TK_CONFIG_MONO_ONLY; |
|
|
} |
|
|
specPtr = FindConfigSpec(interp, specs, argvName, needFlags, hateFlags); |
|
|
if (specPtr == NULL) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
interp->result = FormatConfigValue(interp, tkwin, specPtr, widgRec, |
|
|
interp->result, &interp->freeProc); |
|
|
return TCL_OK; |
|
|
} |
|
|
|
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* Tk_FreeOptions -- |
|
|
* |
|
|
* Free up all resources associated with configuration options. |
|
|
* |
|
|
* Results: |
|
|
* None. |
|
|
* |
|
|
* Side effects: |
|
|
* Any resource in widgRec that is controlled by a configuration |
|
|
* option (e.g. a Tk_3DBorder or XColor) is freed in the appropriate |
|
|
* fashion. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
/* ARGSUSED */ |
|
|
void |
|
|
Tk_FreeOptions(specs, widgRec, display, needFlags) |
|
|
Tk_ConfigSpec *specs; /* Describes legal options. */ |
|
|
char *widgRec; /* Record whose fields contain current |
|
|
* values for options. */ |
|
|
Display *display; /* X display; needed for freeing some |
|
|
* resources. */ |
|
|
int needFlags; /* Used to specify additional flags |
|
|
* that must be present in config specs |
|
|
* for them to be considered. */ |
|
|
{ |
|
|
register Tk_ConfigSpec *specPtr; |
|
|
char *ptr; |
|
|
|
|
|
for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
|
|
if ((specPtr->specFlags & needFlags) != needFlags) { |
|
|
continue; |
|
|
} |
|
|
ptr = widgRec + specPtr->offset; |
|
|
switch (specPtr->type) { |
|
|
case TK_CONFIG_STRING: |
|
|
if (*((char **) ptr) != NULL) { |
|
|
ckfree(*((char **) ptr)); |
|
|
*((char **) ptr) = NULL; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_COLOR: |
|
|
if (*((XColor **) ptr) != NULL) { |
|
|
Tk_FreeColor(*((XColor **) ptr)); |
|
|
*((XColor **) ptr) = NULL; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_FONT: |
|
|
Tk_FreeFont(*((Tk_Font *) ptr)); |
|
|
*((Tk_Font *) ptr) = NULL; |
|
|
break; |
|
|
case TK_CONFIG_BITMAP: |
|
|
if (*((Pixmap *) ptr) != None) { |
|
|
Tk_FreeBitmap(display, *((Pixmap *) ptr)); |
|
|
*((Pixmap *) ptr) = None; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_BORDER: |
|
|
if (*((Tk_3DBorder *) ptr) != NULL) { |
|
|
Tk_Free3DBorder(*((Tk_3DBorder *) ptr)); |
|
|
*((Tk_3DBorder *) ptr) = NULL; |
|
|
} |
|
|
break; |
|
|
case TK_CONFIG_CURSOR: |
|
|
case TK_CONFIG_ACTIVE_CURSOR: |
|
|
if (*((Tk_Cursor *) ptr) != None) { |
|
|
Tk_FreeCursor(display, *((Tk_Cursor *) ptr)); |
|
|
*((Tk_Cursor *) ptr) = None; |
|
|
} |
|
|
} |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
/* $History: tkOldConfig.c $ |
|
|
* |
|
|
* ***************** Version 1 ***************** |
|
|
* User: Dtashley Date: 1/02/01 Time: 2:56a |
|
|
* Created in $/IjuScripter, IjuConsole/Source/Tk Base |
|
|
* Initial check-in. |
|
|
*/ |
|
|
|
|
|
/* End of TKOLDCONFIG.C */ |
|
| 1 |
|
/* $Header$ */ |
| 2 |
|
|
| 3 |
|
/* |
| 4 |
|
* tkOldConfig.c -- |
| 5 |
|
* |
| 6 |
|
* This file contains the Tk_ConfigureWidget procedure. THIS FILE |
| 7 |
|
* IS HERE FOR BACKWARD COMPATIBILITY; THE NEW CONFIGURATION |
| 8 |
|
* PACKAGE SHOULD BE USED FOR NEW PROJECTS. |
| 9 |
|
* |
| 10 |
|
* Copyright (c) 1990-1994 The Regents of the University of California. |
| 11 |
|
* Copyright (c) 1994-1997 Sun Microsystems, Inc. |
| 12 |
|
* |
| 13 |
|
* See the file "license.terms" for information on usage and redistribution |
| 14 |
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
| 15 |
|
* |
| 16 |
|
* RCS: @(#) $Id: tkoldconfig.c,v 1.1.1.1 2001/06/13 05:06:29 dtashley Exp $ |
| 17 |
|
*/ |
| 18 |
|
|
| 19 |
|
#include "tkPort.h" |
| 20 |
|
#include "tk.h" |
| 21 |
|
|
| 22 |
|
/* |
| 23 |
|
* Values for "flags" field of Tk_ConfigSpec structures. Be sure |
| 24 |
|
* to coordinate these values with those defined in tk.h |
| 25 |
|
* (TK_CONFIG_COLOR_ONLY, etc.). There must not be overlap! |
| 26 |
|
* |
| 27 |
|
* INIT - Non-zero means (char *) things have been |
| 28 |
|
* converted to Tk_Uid's. |
| 29 |
|
*/ |
| 30 |
|
|
| 31 |
|
#define INIT 0x20 |
| 32 |
|
|
| 33 |
|
/* |
| 34 |
|
* Forward declarations for procedures defined later in this file: |
| 35 |
|
*/ |
| 36 |
|
|
| 37 |
|
static int DoConfig _ANSI_ARGS_((Tcl_Interp *interp, |
| 38 |
|
Tk_Window tkwin, Tk_ConfigSpec *specPtr, |
| 39 |
|
Tk_Uid value, int valueIsUid, char *widgRec)); |
| 40 |
|
static Tk_ConfigSpec * FindConfigSpec _ANSI_ARGS_((Tcl_Interp *interp, |
| 41 |
|
Tk_ConfigSpec *specs, char *argvName, |
| 42 |
|
int needFlags, int hateFlags)); |
| 43 |
|
static char * FormatConfigInfo _ANSI_ARGS_((Tcl_Interp *interp, |
| 44 |
|
Tk_Window tkwin, Tk_ConfigSpec *specPtr, |
| 45 |
|
char *widgRec)); |
| 46 |
|
static char * FormatConfigValue _ANSI_ARGS_((Tcl_Interp *interp, |
| 47 |
|
Tk_Window tkwin, Tk_ConfigSpec *specPtr, |
| 48 |
|
char *widgRec, char *buffer, |
| 49 |
|
Tcl_FreeProc **freeProcPtr)); |
| 50 |
|
|
| 51 |
|
/* |
| 52 |
|
*-------------------------------------------------------------- |
| 53 |
|
* |
| 54 |
|
* Tk_ConfigureWidget -- |
| 55 |
|
* |
| 56 |
|
* Process command-line options and database options to |
| 57 |
|
* fill in fields of a widget record with resources and |
| 58 |
|
* other parameters. |
| 59 |
|
* |
| 60 |
|
* Results: |
| 61 |
|
* A standard Tcl return value. In case of an error, |
| 62 |
|
* the interp's result will hold an error message. |
| 63 |
|
* |
| 64 |
|
* Side effects: |
| 65 |
|
* The fields of widgRec get filled in with information |
| 66 |
|
* from argc/argv and the option database. Old information |
| 67 |
|
* in widgRec's fields gets recycled. |
| 68 |
|
* |
| 69 |
|
*-------------------------------------------------------------- |
| 70 |
|
*/ |
| 71 |
|
|
| 72 |
|
int |
| 73 |
|
Tk_ConfigureWidget(interp, tkwin, specs, argc, argv, widgRec, flags) |
| 74 |
|
Tcl_Interp *interp; /* Interpreter for error reporting. */ |
| 75 |
|
Tk_Window tkwin; /* Window containing widget (needed to |
| 76 |
|
* set up X resources). */ |
| 77 |
|
Tk_ConfigSpec *specs; /* Describes legal options. */ |
| 78 |
|
int argc; /* Number of elements in argv. */ |
| 79 |
|
char **argv; /* Command-line options. */ |
| 80 |
|
char *widgRec; /* Record whose fields are to be |
| 81 |
|
* modified. Values must be properly |
| 82 |
|
* initialized. */ |
| 83 |
|
int flags; /* Used to specify additional flags |
| 84 |
|
* that must be present in config specs |
| 85 |
|
* for them to be considered. Also, |
| 86 |
|
* may have TK_CONFIG_ARGV_ONLY set. */ |
| 87 |
|
{ |
| 88 |
|
register Tk_ConfigSpec *specPtr; |
| 89 |
|
Tk_Uid value; /* Value of option from database. */ |
| 90 |
|
int needFlags; /* Specs must contain this set of flags |
| 91 |
|
* or else they are not considered. */ |
| 92 |
|
int hateFlags; /* If a spec contains any bits here, it's |
| 93 |
|
* not considered. */ |
| 94 |
|
|
| 95 |
|
if (tkwin == NULL) { |
| 96 |
|
/* |
| 97 |
|
* Either we're not really in Tk, or the main window was destroyed and |
| 98 |
|
* we're on our way out of the application |
| 99 |
|
*/ |
| 100 |
|
Tcl_AppendResult(interp, "NULL main window", (char *)NULL); |
| 101 |
|
return TCL_ERROR; |
| 102 |
|
} |
| 103 |
|
|
| 104 |
|
needFlags = flags & ~(TK_CONFIG_USER_BIT - 1); |
| 105 |
|
if (Tk_Depth(tkwin) <= 1) { |
| 106 |
|
hateFlags = TK_CONFIG_COLOR_ONLY; |
| 107 |
|
} else { |
| 108 |
|
hateFlags = TK_CONFIG_MONO_ONLY; |
| 109 |
|
} |
| 110 |
|
|
| 111 |
|
/* |
| 112 |
|
* Pass one: scan through all the option specs, replacing strings |
| 113 |
|
* with Tk_Uid structs (if this hasn't been done already) and |
| 114 |
|
* clearing the TK_CONFIG_OPTION_SPECIFIED flags. |
| 115 |
|
*/ |
| 116 |
|
|
| 117 |
|
for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
| 118 |
|
if (!(specPtr->specFlags & INIT) && (specPtr->argvName != NULL)) { |
| 119 |
|
if (specPtr->dbName != NULL) { |
| 120 |
|
specPtr->dbName = Tk_GetUid(specPtr->dbName); |
| 121 |
|
} |
| 122 |
|
if (specPtr->dbClass != NULL) { |
| 123 |
|
specPtr->dbClass = Tk_GetUid(specPtr->dbClass); |
| 124 |
|
} |
| 125 |
|
if (specPtr->defValue != NULL) { |
| 126 |
|
specPtr->defValue = Tk_GetUid(specPtr->defValue); |
| 127 |
|
} |
| 128 |
|
} |
| 129 |
|
specPtr->specFlags = (specPtr->specFlags & ~TK_CONFIG_OPTION_SPECIFIED) |
| 130 |
|
| INIT; |
| 131 |
|
} |
| 132 |
|
|
| 133 |
|
/* |
| 134 |
|
* Pass two: scan through all of the arguments, processing those |
| 135 |
|
* that match entries in the specs. |
| 136 |
|
*/ |
| 137 |
|
|
| 138 |
|
for ( ; argc > 0; argc -= 2, argv += 2) { |
| 139 |
|
char *arg; |
| 140 |
|
|
| 141 |
|
if (flags & TK_CONFIG_OBJS) { |
| 142 |
|
arg = Tcl_GetStringFromObj((Tcl_Obj *) *argv, NULL); |
| 143 |
|
} else { |
| 144 |
|
arg = *argv; |
| 145 |
|
} |
| 146 |
|
specPtr = FindConfigSpec(interp, specs, arg, needFlags, hateFlags); |
| 147 |
|
if (specPtr == NULL) { |
| 148 |
|
return TCL_ERROR; |
| 149 |
|
} |
| 150 |
|
|
| 151 |
|
/* |
| 152 |
|
* Process the entry. |
| 153 |
|
*/ |
| 154 |
|
|
| 155 |
|
if (argc < 2) { |
| 156 |
|
Tcl_AppendResult(interp, "value for \"", arg, |
| 157 |
|
"\" missing", (char *) NULL); |
| 158 |
|
return TCL_ERROR; |
| 159 |
|
} |
| 160 |
|
if (flags & TK_CONFIG_OBJS) { |
| 161 |
|
arg = Tcl_GetString((Tcl_Obj *) argv[1]); |
| 162 |
|
} else { |
| 163 |
|
arg = argv[1]; |
| 164 |
|
} |
| 165 |
|
if (DoConfig(interp, tkwin, specPtr, arg, 0, widgRec) != TCL_OK) { |
| 166 |
|
char msg[100]; |
| 167 |
|
|
| 168 |
|
sprintf(msg, "\n (processing \"%.40s\" option)", |
| 169 |
|
specPtr->argvName); |
| 170 |
|
Tcl_AddErrorInfo(interp, msg); |
| 171 |
|
return TCL_ERROR; |
| 172 |
|
} |
| 173 |
|
specPtr->specFlags |= TK_CONFIG_OPTION_SPECIFIED; |
| 174 |
|
} |
| 175 |
|
|
| 176 |
|
/* |
| 177 |
|
* Pass three: scan through all of the specs again; if no |
| 178 |
|
* command-line argument matched a spec, then check for info |
| 179 |
|
* in the option database. If there was nothing in the |
| 180 |
|
* database, then use the default. |
| 181 |
|
*/ |
| 182 |
|
|
| 183 |
|
if (!(flags & TK_CONFIG_ARGV_ONLY)) { |
| 184 |
|
for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
| 185 |
|
if ((specPtr->specFlags & TK_CONFIG_OPTION_SPECIFIED) |
| 186 |
|
|| (specPtr->argvName == NULL) |
| 187 |
|
|| (specPtr->type == TK_CONFIG_SYNONYM)) { |
| 188 |
|
continue; |
| 189 |
|
} |
| 190 |
|
if (((specPtr->specFlags & needFlags) != needFlags) |
| 191 |
|
|| (specPtr->specFlags & hateFlags)) { |
| 192 |
|
continue; |
| 193 |
|
} |
| 194 |
|
value = NULL; |
| 195 |
|
if (specPtr->dbName != NULL) { |
| 196 |
|
value = Tk_GetOption(tkwin, specPtr->dbName, specPtr->dbClass); |
| 197 |
|
} |
| 198 |
|
if (value != NULL) { |
| 199 |
|
if (DoConfig(interp, tkwin, specPtr, value, 1, widgRec) != |
| 200 |
|
TCL_OK) { |
| 201 |
|
char msg[200]; |
| 202 |
|
|
| 203 |
|
sprintf(msg, "\n (%s \"%.50s\" in widget \"%.50s\")", |
| 204 |
|
"database entry for", |
| 205 |
|
specPtr->dbName, Tk_PathName(tkwin)); |
| 206 |
|
Tcl_AddErrorInfo(interp, msg); |
| 207 |
|
return TCL_ERROR; |
| 208 |
|
} |
| 209 |
|
} else { |
| 210 |
|
if (specPtr->defValue != NULL) { |
| 211 |
|
value = Tk_GetUid(specPtr->defValue); |
| 212 |
|
} else { |
| 213 |
|
value = NULL; |
| 214 |
|
} |
| 215 |
|
if ((value != NULL) && !(specPtr->specFlags |
| 216 |
|
& TK_CONFIG_DONT_SET_DEFAULT)) { |
| 217 |
|
if (DoConfig(interp, tkwin, specPtr, value, 1, widgRec) != |
| 218 |
|
TCL_OK) { |
| 219 |
|
char msg[200]; |
| 220 |
|
|
| 221 |
|
sprintf(msg, |
| 222 |
|
"\n (%s \"%.50s\" in widget \"%.50s\")", |
| 223 |
|
"default value for", |
| 224 |
|
specPtr->dbName, Tk_PathName(tkwin)); |
| 225 |
|
Tcl_AddErrorInfo(interp, msg); |
| 226 |
|
return TCL_ERROR; |
| 227 |
|
} |
| 228 |
|
} |
| 229 |
|
} |
| 230 |
|
} |
| 231 |
|
} |
| 232 |
|
|
| 233 |
|
return TCL_OK; |
| 234 |
|
} |
| 235 |
|
|
| 236 |
|
/* |
| 237 |
|
*-------------------------------------------------------------- |
| 238 |
|
* |
| 239 |
|
* FindConfigSpec -- |
| 240 |
|
* |
| 241 |
|
* Search through a table of configuration specs, looking for |
| 242 |
|
* one that matches a given argvName. |
| 243 |
|
* |
| 244 |
|
* Results: |
| 245 |
|
* The return value is a pointer to the matching entry, or NULL |
| 246 |
|
* if nothing matched. In that case an error message is left |
| 247 |
|
* in the interp's result. |
| 248 |
|
* |
| 249 |
|
* Side effects: |
| 250 |
|
* None. |
| 251 |
|
* |
| 252 |
|
*-------------------------------------------------------------- |
| 253 |
|
*/ |
| 254 |
|
|
| 255 |
|
static Tk_ConfigSpec * |
| 256 |
|
FindConfigSpec(interp, specs, argvName, needFlags, hateFlags) |
| 257 |
|
Tcl_Interp *interp; /* Used for reporting errors. */ |
| 258 |
|
Tk_ConfigSpec *specs; /* Pointer to table of configuration |
| 259 |
|
* specifications for a widget. */ |
| 260 |
|
char *argvName; /* Name (suitable for use in a "config" |
| 261 |
|
* command) identifying particular option. */ |
| 262 |
|
int needFlags; /* Flags that must be present in matching |
| 263 |
|
* entry. */ |
| 264 |
|
int hateFlags; /* Flags that must NOT be present in |
| 265 |
|
* matching entry. */ |
| 266 |
|
{ |
| 267 |
|
register Tk_ConfigSpec *specPtr; |
| 268 |
|
register char c; /* First character of current argument. */ |
| 269 |
|
Tk_ConfigSpec *matchPtr; /* Matching spec, or NULL. */ |
| 270 |
|
size_t length; |
| 271 |
|
|
| 272 |
|
c = argvName[1]; |
| 273 |
|
length = strlen(argvName); |
| 274 |
|
matchPtr = NULL; |
| 275 |
|
for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
| 276 |
|
if (specPtr->argvName == NULL) { |
| 277 |
|
continue; |
| 278 |
|
} |
| 279 |
|
if ((specPtr->argvName[1] != c) |
| 280 |
|
|| (strncmp(specPtr->argvName, argvName, length) != 0)) { |
| 281 |
|
continue; |
| 282 |
|
} |
| 283 |
|
if (((specPtr->specFlags & needFlags) != needFlags) |
| 284 |
|
|| (specPtr->specFlags & hateFlags)) { |
| 285 |
|
continue; |
| 286 |
|
} |
| 287 |
|
if (specPtr->argvName[length] == 0) { |
| 288 |
|
matchPtr = specPtr; |
| 289 |
|
goto gotMatch; |
| 290 |
|
} |
| 291 |
|
if (matchPtr != NULL) { |
| 292 |
|
Tcl_AppendResult(interp, "ambiguous option \"", argvName, |
| 293 |
|
"\"", (char *) NULL); |
| 294 |
|
return (Tk_ConfigSpec *) NULL; |
| 295 |
|
} |
| 296 |
|
matchPtr = specPtr; |
| 297 |
|
} |
| 298 |
|
|
| 299 |
|
if (matchPtr == NULL) { |
| 300 |
|
Tcl_AppendResult(interp, "unknown option \"", argvName, |
| 301 |
|
"\"", (char *) NULL); |
| 302 |
|
return (Tk_ConfigSpec *) NULL; |
| 303 |
|
} |
| 304 |
|
|
| 305 |
|
/* |
| 306 |
|
* Found a matching entry. If it's a synonym, then find the |
| 307 |
|
* entry that it's a synonym for. |
| 308 |
|
*/ |
| 309 |
|
|
| 310 |
|
gotMatch: |
| 311 |
|
specPtr = matchPtr; |
| 312 |
|
if (specPtr->type == TK_CONFIG_SYNONYM) { |
| 313 |
|
for (specPtr = specs; ; specPtr++) { |
| 314 |
|
if (specPtr->type == TK_CONFIG_END) { |
| 315 |
|
Tcl_AppendResult(interp, |
| 316 |
|
"couldn't find synonym for option \"", |
| 317 |
|
argvName, "\"", (char *) NULL); |
| 318 |
|
return (Tk_ConfigSpec *) NULL; |
| 319 |
|
} |
| 320 |
|
if ((specPtr->dbName == matchPtr->dbName) |
| 321 |
|
&& (specPtr->type != TK_CONFIG_SYNONYM) |
| 322 |
|
&& ((specPtr->specFlags & needFlags) == needFlags) |
| 323 |
|
&& !(specPtr->specFlags & hateFlags)) { |
| 324 |
|
break; |
| 325 |
|
} |
| 326 |
|
} |
| 327 |
|
} |
| 328 |
|
return specPtr; |
| 329 |
|
} |
| 330 |
|
|
| 331 |
|
/* |
| 332 |
|
*-------------------------------------------------------------- |
| 333 |
|
* |
| 334 |
|
* DoConfig -- |
| 335 |
|
* |
| 336 |
|
* This procedure applies a single configuration option |
| 337 |
|
* to a widget record. |
| 338 |
|
* |
| 339 |
|
* Results: |
| 340 |
|
* A standard Tcl return value. |
| 341 |
|
* |
| 342 |
|
* Side effects: |
| 343 |
|
* WidgRec is modified as indicated by specPtr and value. |
| 344 |
|
* The old value is recycled, if that is appropriate for |
| 345 |
|
* the value type. |
| 346 |
|
* |
| 347 |
|
*-------------------------------------------------------------- |
| 348 |
|
*/ |
| 349 |
|
|
| 350 |
|
static int |
| 351 |
|
DoConfig(interp, tkwin, specPtr, value, valueIsUid, widgRec) |
| 352 |
|
Tcl_Interp *interp; /* Interpreter for error reporting. */ |
| 353 |
|
Tk_Window tkwin; /* Window containing widget (needed to |
| 354 |
|
* set up X resources). */ |
| 355 |
|
Tk_ConfigSpec *specPtr; /* Specifier to apply. */ |
| 356 |
|
char *value; /* Value to use to fill in widgRec. */ |
| 357 |
|
int valueIsUid; /* Non-zero means value is a Tk_Uid; |
| 358 |
|
* zero means it's an ordinary string. */ |
| 359 |
|
char *widgRec; /* Record whose fields are to be |
| 360 |
|
* modified. Values must be properly |
| 361 |
|
* initialized. */ |
| 362 |
|
{ |
| 363 |
|
char *ptr; |
| 364 |
|
Tk_Uid uid; |
| 365 |
|
int nullValue; |
| 366 |
|
|
| 367 |
|
nullValue = 0; |
| 368 |
|
if ((*value == 0) && (specPtr->specFlags & TK_CONFIG_NULL_OK)) { |
| 369 |
|
nullValue = 1; |
| 370 |
|
} |
| 371 |
|
|
| 372 |
|
do { |
| 373 |
|
ptr = widgRec + specPtr->offset; |
| 374 |
|
switch (specPtr->type) { |
| 375 |
|
case TK_CONFIG_BOOLEAN: |
| 376 |
|
if (Tcl_GetBoolean(interp, value, (int *) ptr) != TCL_OK) { |
| 377 |
|
return TCL_ERROR; |
| 378 |
|
} |
| 379 |
|
break; |
| 380 |
|
case TK_CONFIG_INT: |
| 381 |
|
if (Tcl_GetInt(interp, value, (int *) ptr) != TCL_OK) { |
| 382 |
|
return TCL_ERROR; |
| 383 |
|
} |
| 384 |
|
break; |
| 385 |
|
case TK_CONFIG_DOUBLE: |
| 386 |
|
if (Tcl_GetDouble(interp, value, (double *) ptr) != TCL_OK) { |
| 387 |
|
return TCL_ERROR; |
| 388 |
|
} |
| 389 |
|
break; |
| 390 |
|
case TK_CONFIG_STRING: { |
| 391 |
|
char *old, *new; |
| 392 |
|
|
| 393 |
|
if (nullValue) { |
| 394 |
|
new = NULL; |
| 395 |
|
} else { |
| 396 |
|
new = (char *) ckalloc((unsigned) (strlen(value) + 1)); |
| 397 |
|
strcpy(new, value); |
| 398 |
|
} |
| 399 |
|
old = *((char **) ptr); |
| 400 |
|
if (old != NULL) { |
| 401 |
|
ckfree(old); |
| 402 |
|
} |
| 403 |
|
*((char **) ptr) = new; |
| 404 |
|
break; |
| 405 |
|
} |
| 406 |
|
case TK_CONFIG_UID: |
| 407 |
|
if (nullValue) { |
| 408 |
|
*((Tk_Uid *) ptr) = NULL; |
| 409 |
|
} else { |
| 410 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 411 |
|
*((Tk_Uid *) ptr) = uid; |
| 412 |
|
} |
| 413 |
|
break; |
| 414 |
|
case TK_CONFIG_COLOR: { |
| 415 |
|
XColor *newPtr, *oldPtr; |
| 416 |
|
|
| 417 |
|
if (nullValue) { |
| 418 |
|
newPtr = NULL; |
| 419 |
|
} else { |
| 420 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 421 |
|
newPtr = Tk_GetColor(interp, tkwin, uid); |
| 422 |
|
if (newPtr == NULL) { |
| 423 |
|
return TCL_ERROR; |
| 424 |
|
} |
| 425 |
|
} |
| 426 |
|
oldPtr = *((XColor **) ptr); |
| 427 |
|
if (oldPtr != NULL) { |
| 428 |
|
Tk_FreeColor(oldPtr); |
| 429 |
|
} |
| 430 |
|
*((XColor **) ptr) = newPtr; |
| 431 |
|
break; |
| 432 |
|
} |
| 433 |
|
case TK_CONFIG_FONT: { |
| 434 |
|
Tk_Font new; |
| 435 |
|
|
| 436 |
|
if (nullValue) { |
| 437 |
|
new = NULL; |
| 438 |
|
} else { |
| 439 |
|
new = Tk_GetFont(interp, tkwin, value); |
| 440 |
|
if (new == NULL) { |
| 441 |
|
return TCL_ERROR; |
| 442 |
|
} |
| 443 |
|
} |
| 444 |
|
Tk_FreeFont(*((Tk_Font *) ptr)); |
| 445 |
|
*((Tk_Font *) ptr) = new; |
| 446 |
|
break; |
| 447 |
|
} |
| 448 |
|
case TK_CONFIG_BITMAP: { |
| 449 |
|
Pixmap new, old; |
| 450 |
|
|
| 451 |
|
if (nullValue) { |
| 452 |
|
new = None; |
| 453 |
|
} else { |
| 454 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 455 |
|
new = Tk_GetBitmap(interp, tkwin, uid); |
| 456 |
|
if (new == None) { |
| 457 |
|
return TCL_ERROR; |
| 458 |
|
} |
| 459 |
|
} |
| 460 |
|
old = *((Pixmap *) ptr); |
| 461 |
|
if (old != None) { |
| 462 |
|
Tk_FreeBitmap(Tk_Display(tkwin), old); |
| 463 |
|
} |
| 464 |
|
*((Pixmap *) ptr) = new; |
| 465 |
|
break; |
| 466 |
|
} |
| 467 |
|
case TK_CONFIG_BORDER: { |
| 468 |
|
Tk_3DBorder new, old; |
| 469 |
|
|
| 470 |
|
if (nullValue) { |
| 471 |
|
new = NULL; |
| 472 |
|
} else { |
| 473 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 474 |
|
new = Tk_Get3DBorder(interp, tkwin, uid); |
| 475 |
|
if (new == NULL) { |
| 476 |
|
return TCL_ERROR; |
| 477 |
|
} |
| 478 |
|
} |
| 479 |
|
old = *((Tk_3DBorder *) ptr); |
| 480 |
|
if (old != NULL) { |
| 481 |
|
Tk_Free3DBorder(old); |
| 482 |
|
} |
| 483 |
|
*((Tk_3DBorder *) ptr) = new; |
| 484 |
|
break; |
| 485 |
|
} |
| 486 |
|
case TK_CONFIG_RELIEF: |
| 487 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 488 |
|
if (Tk_GetRelief(interp, uid, (int *) ptr) != TCL_OK) { |
| 489 |
|
return TCL_ERROR; |
| 490 |
|
} |
| 491 |
|
break; |
| 492 |
|
case TK_CONFIG_CURSOR: |
| 493 |
|
case TK_CONFIG_ACTIVE_CURSOR: { |
| 494 |
|
Tk_Cursor new, old; |
| 495 |
|
|
| 496 |
|
if (nullValue) { |
| 497 |
|
new = None; |
| 498 |
|
} else { |
| 499 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 500 |
|
new = Tk_GetCursor(interp, tkwin, uid); |
| 501 |
|
if (new == None) { |
| 502 |
|
return TCL_ERROR; |
| 503 |
|
} |
| 504 |
|
} |
| 505 |
|
old = *((Tk_Cursor *) ptr); |
| 506 |
|
if (old != None) { |
| 507 |
|
Tk_FreeCursor(Tk_Display(tkwin), old); |
| 508 |
|
} |
| 509 |
|
*((Tk_Cursor *) ptr) = new; |
| 510 |
|
if (specPtr->type == TK_CONFIG_ACTIVE_CURSOR) { |
| 511 |
|
Tk_DefineCursor(tkwin, new); |
| 512 |
|
} |
| 513 |
|
break; |
| 514 |
|
} |
| 515 |
|
case TK_CONFIG_JUSTIFY: |
| 516 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 517 |
|
if (Tk_GetJustify(interp, uid, (Tk_Justify *) ptr) != TCL_OK) { |
| 518 |
|
return TCL_ERROR; |
| 519 |
|
} |
| 520 |
|
break; |
| 521 |
|
case TK_CONFIG_ANCHOR: |
| 522 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 523 |
|
if (Tk_GetAnchor(interp, uid, (Tk_Anchor *) ptr) != TCL_OK) { |
| 524 |
|
return TCL_ERROR; |
| 525 |
|
} |
| 526 |
|
break; |
| 527 |
|
case TK_CONFIG_CAP_STYLE: |
| 528 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 529 |
|
if (Tk_GetCapStyle(interp, uid, (int *) ptr) != TCL_OK) { |
| 530 |
|
return TCL_ERROR; |
| 531 |
|
} |
| 532 |
|
break; |
| 533 |
|
case TK_CONFIG_JOIN_STYLE: |
| 534 |
|
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value); |
| 535 |
|
if (Tk_GetJoinStyle(interp, uid, (int *) ptr) != TCL_OK) { |
| 536 |
|
return TCL_ERROR; |
| 537 |
|
} |
| 538 |
|
break; |
| 539 |
|
case TK_CONFIG_PIXELS: |
| 540 |
|
if (Tk_GetPixels(interp, tkwin, value, (int *) ptr) |
| 541 |
|
!= TCL_OK) { |
| 542 |
|
return TCL_ERROR; |
| 543 |
|
} |
| 544 |
|
break; |
| 545 |
|
case TK_CONFIG_MM: |
| 546 |
|
if (Tk_GetScreenMM(interp, tkwin, value, (double *) ptr) |
| 547 |
|
!= TCL_OK) { |
| 548 |
|
return TCL_ERROR; |
| 549 |
|
} |
| 550 |
|
break; |
| 551 |
|
case TK_CONFIG_WINDOW: { |
| 552 |
|
Tk_Window tkwin2; |
| 553 |
|
|
| 554 |
|
if (nullValue) { |
| 555 |
|
tkwin2 = NULL; |
| 556 |
|
} else { |
| 557 |
|
tkwin2 = Tk_NameToWindow(interp, value, tkwin); |
| 558 |
|
if (tkwin2 == NULL) { |
| 559 |
|
return TCL_ERROR; |
| 560 |
|
} |
| 561 |
|
} |
| 562 |
|
*((Tk_Window *) ptr) = tkwin2; |
| 563 |
|
break; |
| 564 |
|
} |
| 565 |
|
case TK_CONFIG_CUSTOM: |
| 566 |
|
if ((*specPtr->customPtr->parseProc)( |
| 567 |
|
specPtr->customPtr->clientData, interp, tkwin, |
| 568 |
|
value, widgRec, specPtr->offset) != TCL_OK) { |
| 569 |
|
return TCL_ERROR; |
| 570 |
|
} |
| 571 |
|
break; |
| 572 |
|
default: { |
| 573 |
|
char buf[64 + TCL_INTEGER_SPACE]; |
| 574 |
|
|
| 575 |
|
sprintf(buf, "bad config table: unknown type %d", |
| 576 |
|
specPtr->type); |
| 577 |
|
Tcl_SetResult(interp, buf, TCL_VOLATILE); |
| 578 |
|
return TCL_ERROR; |
| 579 |
|
} |
| 580 |
|
} |
| 581 |
|
specPtr++; |
| 582 |
|
} while ((specPtr->argvName == NULL) && (specPtr->type != TK_CONFIG_END)); |
| 583 |
|
return TCL_OK; |
| 584 |
|
} |
| 585 |
|
|
| 586 |
|
/* |
| 587 |
|
*-------------------------------------------------------------- |
| 588 |
|
* |
| 589 |
|
* Tk_ConfigureInfo -- |
| 590 |
|
* |
| 591 |
|
* Return information about the configuration options |
| 592 |
|
* for a window, and their current values. |
| 593 |
|
* |
| 594 |
|
* Results: |
| 595 |
|
* Always returns TCL_OK. The interp's result will be modified |
| 596 |
|
* hold a description of either a single configuration option |
| 597 |
|
* available for "widgRec" via "specs", or all the configuration |
| 598 |
|
* options available. In the "all" case, the result will |
| 599 |
|
* available for "widgRec" via "specs". The result will |
| 600 |
|
* be a list, each of whose entries describes one option. |
| 601 |
|
* Each entry will itself be a list containing the option's |
| 602 |
|
* name for use on command lines, database name, database |
| 603 |
|
* class, default value, and current value (empty string |
| 604 |
|
* if none). For options that are synonyms, the list will |
| 605 |
|
* contain only two values: name and synonym name. If the |
| 606 |
|
* "name" argument is non-NULL, then the only information |
| 607 |
|
* returned is that for the named argument (i.e. the corresponding |
| 608 |
|
* entry in the overall list is returned). |
| 609 |
|
* |
| 610 |
|
* Side effects: |
| 611 |
|
* None. |
| 612 |
|
* |
| 613 |
|
*-------------------------------------------------------------- |
| 614 |
|
*/ |
| 615 |
|
|
| 616 |
|
int |
| 617 |
|
Tk_ConfigureInfo(interp, tkwin, specs, widgRec, argvName, flags) |
| 618 |
|
Tcl_Interp *interp; /* Interpreter for error reporting. */ |
| 619 |
|
Tk_Window tkwin; /* Window corresponding to widgRec. */ |
| 620 |
|
Tk_ConfigSpec *specs; /* Describes legal options. */ |
| 621 |
|
char *widgRec; /* Record whose fields contain current |
| 622 |
|
* values for options. */ |
| 623 |
|
char *argvName; /* If non-NULL, indicates a single option |
| 624 |
|
* whose info is to be returned. Otherwise |
| 625 |
|
* info is returned for all options. */ |
| 626 |
|
int flags; /* Used to specify additional flags |
| 627 |
|
* that must be present in config specs |
| 628 |
|
* for them to be considered. */ |
| 629 |
|
{ |
| 630 |
|
register Tk_ConfigSpec *specPtr; |
| 631 |
|
int needFlags, hateFlags; |
| 632 |
|
char *list; |
| 633 |
|
char *leader = "{"; |
| 634 |
|
|
| 635 |
|
needFlags = flags & ~(TK_CONFIG_USER_BIT - 1); |
| 636 |
|
if (Tk_Depth(tkwin) <= 1) { |
| 637 |
|
hateFlags = TK_CONFIG_COLOR_ONLY; |
| 638 |
|
} else { |
| 639 |
|
hateFlags = TK_CONFIG_MONO_ONLY; |
| 640 |
|
} |
| 641 |
|
|
| 642 |
|
/* |
| 643 |
|
* If information is only wanted for a single configuration |
| 644 |
|
* spec, then handle that one spec specially. |
| 645 |
|
*/ |
| 646 |
|
|
| 647 |
|
Tcl_SetResult(interp, (char *) NULL, TCL_STATIC); |
| 648 |
|
if (argvName != NULL) { |
| 649 |
|
specPtr = FindConfigSpec(interp, specs, argvName, needFlags, |
| 650 |
|
hateFlags); |
| 651 |
|
if (specPtr == NULL) { |
| 652 |
|
return TCL_ERROR; |
| 653 |
|
} |
| 654 |
|
Tcl_SetResult(interp, |
| 655 |
|
FormatConfigInfo(interp, tkwin, specPtr, widgRec), |
| 656 |
|
TCL_DYNAMIC); |
| 657 |
|
return TCL_OK; |
| 658 |
|
} |
| 659 |
|
|
| 660 |
|
/* |
| 661 |
|
* Loop through all the specs, creating a big list with all |
| 662 |
|
* their information. |
| 663 |
|
*/ |
| 664 |
|
|
| 665 |
|
for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
| 666 |
|
if ((argvName != NULL) && (specPtr->argvName != argvName)) { |
| 667 |
|
continue; |
| 668 |
|
} |
| 669 |
|
if (((specPtr->specFlags & needFlags) != needFlags) |
| 670 |
|
|| (specPtr->specFlags & hateFlags)) { |
| 671 |
|
continue; |
| 672 |
|
} |
| 673 |
|
if (specPtr->argvName == NULL) { |
| 674 |
|
continue; |
| 675 |
|
} |
| 676 |
|
list = FormatConfigInfo(interp, tkwin, specPtr, widgRec); |
| 677 |
|
Tcl_AppendResult(interp, leader, list, "}", (char *) NULL); |
| 678 |
|
ckfree(list); |
| 679 |
|
leader = " {"; |
| 680 |
|
} |
| 681 |
|
return TCL_OK; |
| 682 |
|
} |
| 683 |
|
|
| 684 |
|
/* |
| 685 |
|
*-------------------------------------------------------------- |
| 686 |
|
* |
| 687 |
|
* FormatConfigInfo -- |
| 688 |
|
* |
| 689 |
|
* Create a valid Tcl list holding the configuration information |
| 690 |
|
* for a single configuration option. |
| 691 |
|
* |
| 692 |
|
* Results: |
| 693 |
|
* A Tcl list, dynamically allocated. The caller is expected to |
| 694 |
|
* arrange for this list to be freed eventually. |
| 695 |
|
* |
| 696 |
|
* Side effects: |
| 697 |
|
* Memory is allocated. |
| 698 |
|
* |
| 699 |
|
*-------------------------------------------------------------- |
| 700 |
|
*/ |
| 701 |
|
|
| 702 |
|
static char * |
| 703 |
|
FormatConfigInfo(interp, tkwin, specPtr, widgRec) |
| 704 |
|
Tcl_Interp *interp; /* Interpreter to use for things |
| 705 |
|
* like floating-point precision. */ |
| 706 |
|
Tk_Window tkwin; /* Window corresponding to widget. */ |
| 707 |
|
register Tk_ConfigSpec *specPtr; /* Pointer to information describing |
| 708 |
|
* option. */ |
| 709 |
|
char *widgRec; /* Pointer to record holding current |
| 710 |
|
* values of info for widget. */ |
| 711 |
|
{ |
| 712 |
|
char *argv[6], *result; |
| 713 |
|
char buffer[200]; |
| 714 |
|
Tcl_FreeProc *freeProc = (Tcl_FreeProc *) NULL; |
| 715 |
|
|
| 716 |
|
argv[0] = specPtr->argvName; |
| 717 |
|
argv[1] = specPtr->dbName; |
| 718 |
|
argv[2] = specPtr->dbClass; |
| 719 |
|
argv[3] = specPtr->defValue; |
| 720 |
|
if (specPtr->type == TK_CONFIG_SYNONYM) { |
| 721 |
|
return Tcl_Merge(2, argv); |
| 722 |
|
} |
| 723 |
|
argv[4] = FormatConfigValue(interp, tkwin, specPtr, widgRec, buffer, |
| 724 |
|
&freeProc); |
| 725 |
|
if (argv[1] == NULL) { |
| 726 |
|
argv[1] = ""; |
| 727 |
|
} |
| 728 |
|
if (argv[2] == NULL) { |
| 729 |
|
argv[2] = ""; |
| 730 |
|
} |
| 731 |
|
if (argv[3] == NULL) { |
| 732 |
|
argv[3] = ""; |
| 733 |
|
} |
| 734 |
|
if (argv[4] == NULL) { |
| 735 |
|
argv[4] = ""; |
| 736 |
|
} |
| 737 |
|
result = Tcl_Merge(5, argv); |
| 738 |
|
if (freeProc != NULL) { |
| 739 |
|
if ((freeProc == TCL_DYNAMIC) || (freeProc == (Tcl_FreeProc *) free)) { |
| 740 |
|
ckfree(argv[4]); |
| 741 |
|
} else { |
| 742 |
|
(*freeProc)(argv[4]); |
| 743 |
|
} |
| 744 |
|
} |
| 745 |
|
return result; |
| 746 |
|
} |
| 747 |
|
|
| 748 |
|
/* |
| 749 |
|
*---------------------------------------------------------------------- |
| 750 |
|
* |
| 751 |
|
* FormatConfigValue -- |
| 752 |
|
* |
| 753 |
|
* This procedure formats the current value of a configuration |
| 754 |
|
* option. |
| 755 |
|
* |
| 756 |
|
* Results: |
| 757 |
|
* The return value is the formatted value of the option given |
| 758 |
|
* by specPtr and widgRec. If the value is static, so that it |
| 759 |
|
* need not be freed, *freeProcPtr will be set to NULL; otherwise |
| 760 |
|
* *freeProcPtr will be set to the address of a procedure to |
| 761 |
|
* free the result, and the caller must invoke this procedure |
| 762 |
|
* when it is finished with the result. |
| 763 |
|
* |
| 764 |
|
* Side effects: |
| 765 |
|
* None. |
| 766 |
|
* |
| 767 |
|
*---------------------------------------------------------------------- |
| 768 |
|
*/ |
| 769 |
|
|
| 770 |
|
static char * |
| 771 |
|
FormatConfigValue(interp, tkwin, specPtr, widgRec, buffer, freeProcPtr) |
| 772 |
|
Tcl_Interp *interp; /* Interpreter for use in real conversions. */ |
| 773 |
|
Tk_Window tkwin; /* Window corresponding to widget. */ |
| 774 |
|
Tk_ConfigSpec *specPtr; /* Pointer to information describing option. |
| 775 |
|
* Must not point to a synonym option. */ |
| 776 |
|
char *widgRec; /* Pointer to record holding current |
| 777 |
|
* values of info for widget. */ |
| 778 |
|
char *buffer; /* Static buffer to use for small values. |
| 779 |
|
* Must have at least 200 bytes of storage. */ |
| 780 |
|
Tcl_FreeProc **freeProcPtr; /* Pointer to word to fill in with address |
| 781 |
|
* of procedure to free the result, or NULL |
| 782 |
|
* if result is static. */ |
| 783 |
|
{ |
| 784 |
|
char *ptr, *result; |
| 785 |
|
|
| 786 |
|
*freeProcPtr = NULL; |
| 787 |
|
ptr = widgRec + specPtr->offset; |
| 788 |
|
result = ""; |
| 789 |
|
switch (specPtr->type) { |
| 790 |
|
case TK_CONFIG_BOOLEAN: |
| 791 |
|
if (*((int *) ptr) == 0) { |
| 792 |
|
result = "0"; |
| 793 |
|
} else { |
| 794 |
|
result = "1"; |
| 795 |
|
} |
| 796 |
|
break; |
| 797 |
|
case TK_CONFIG_INT: |
| 798 |
|
sprintf(buffer, "%d", *((int *) ptr)); |
| 799 |
|
result = buffer; |
| 800 |
|
break; |
| 801 |
|
case TK_CONFIG_DOUBLE: |
| 802 |
|
Tcl_PrintDouble(interp, *((double *) ptr), buffer); |
| 803 |
|
result = buffer; |
| 804 |
|
break; |
| 805 |
|
case TK_CONFIG_STRING: |
| 806 |
|
result = (*(char **) ptr); |
| 807 |
|
if (result == NULL) { |
| 808 |
|
result = ""; |
| 809 |
|
} |
| 810 |
|
break; |
| 811 |
|
case TK_CONFIG_UID: { |
| 812 |
|
Tk_Uid uid = *((Tk_Uid *) ptr); |
| 813 |
|
if (uid != NULL) { |
| 814 |
|
result = uid; |
| 815 |
|
} |
| 816 |
|
break; |
| 817 |
|
} |
| 818 |
|
case TK_CONFIG_COLOR: { |
| 819 |
|
XColor *colorPtr = *((XColor **) ptr); |
| 820 |
|
if (colorPtr != NULL) { |
| 821 |
|
result = Tk_NameOfColor(colorPtr); |
| 822 |
|
} |
| 823 |
|
break; |
| 824 |
|
} |
| 825 |
|
case TK_CONFIG_FONT: { |
| 826 |
|
Tk_Font tkfont = *((Tk_Font *) ptr); |
| 827 |
|
if (tkfont != NULL) { |
| 828 |
|
result = Tk_NameOfFont(tkfont); |
| 829 |
|
} |
| 830 |
|
break; |
| 831 |
|
} |
| 832 |
|
case TK_CONFIG_BITMAP: { |
| 833 |
|
Pixmap pixmap = *((Pixmap *) ptr); |
| 834 |
|
if (pixmap != None) { |
| 835 |
|
result = Tk_NameOfBitmap(Tk_Display(tkwin), pixmap); |
| 836 |
|
} |
| 837 |
|
break; |
| 838 |
|
} |
| 839 |
|
case TK_CONFIG_BORDER: { |
| 840 |
|
Tk_3DBorder border = *((Tk_3DBorder *) ptr); |
| 841 |
|
if (border != NULL) { |
| 842 |
|
result = Tk_NameOf3DBorder(border); |
| 843 |
|
} |
| 844 |
|
break; |
| 845 |
|
} |
| 846 |
|
case TK_CONFIG_RELIEF: |
| 847 |
|
result = Tk_NameOfRelief(*((int *) ptr)); |
| 848 |
|
break; |
| 849 |
|
case TK_CONFIG_CURSOR: |
| 850 |
|
case TK_CONFIG_ACTIVE_CURSOR: { |
| 851 |
|
Tk_Cursor cursor = *((Tk_Cursor *) ptr); |
| 852 |
|
if (cursor != None) { |
| 853 |
|
result = Tk_NameOfCursor(Tk_Display(tkwin), cursor); |
| 854 |
|
} |
| 855 |
|
break; |
| 856 |
|
} |
| 857 |
|
case TK_CONFIG_JUSTIFY: |
| 858 |
|
result = Tk_NameOfJustify(*((Tk_Justify *) ptr)); |
| 859 |
|
break; |
| 860 |
|
case TK_CONFIG_ANCHOR: |
| 861 |
|
result = Tk_NameOfAnchor(*((Tk_Anchor *) ptr)); |
| 862 |
|
break; |
| 863 |
|
case TK_CONFIG_CAP_STYLE: |
| 864 |
|
result = Tk_NameOfCapStyle(*((int *) ptr)); |
| 865 |
|
break; |
| 866 |
|
case TK_CONFIG_JOIN_STYLE: |
| 867 |
|
result = Tk_NameOfJoinStyle(*((int *) ptr)); |
| 868 |
|
break; |
| 869 |
|
case TK_CONFIG_PIXELS: |
| 870 |
|
sprintf(buffer, "%d", *((int *) ptr)); |
| 871 |
|
result = buffer; |
| 872 |
|
break; |
| 873 |
|
case TK_CONFIG_MM: |
| 874 |
|
Tcl_PrintDouble(interp, *((double *) ptr), buffer); |
| 875 |
|
result = buffer; |
| 876 |
|
break; |
| 877 |
|
case TK_CONFIG_WINDOW: { |
| 878 |
|
Tk_Window tkwin; |
| 879 |
|
|
| 880 |
|
tkwin = *((Tk_Window *) ptr); |
| 881 |
|
if (tkwin != NULL) { |
| 882 |
|
result = Tk_PathName(tkwin); |
| 883 |
|
} |
| 884 |
|
break; |
| 885 |
|
} |
| 886 |
|
case TK_CONFIG_CUSTOM: |
| 887 |
|
result = (*specPtr->customPtr->printProc)( |
| 888 |
|
specPtr->customPtr->clientData, tkwin, widgRec, |
| 889 |
|
specPtr->offset, freeProcPtr); |
| 890 |
|
break; |
| 891 |
|
default: |
| 892 |
|
result = "?? unknown type ??"; |
| 893 |
|
} |
| 894 |
|
return result; |
| 895 |
|
} |
| 896 |
|
|
| 897 |
|
/* |
| 898 |
|
*---------------------------------------------------------------------- |
| 899 |
|
* |
| 900 |
|
* Tk_ConfigureValue -- |
| 901 |
|
* |
| 902 |
|
* This procedure returns the current value of a configuration |
| 903 |
|
* option for a widget. |
| 904 |
|
* |
| 905 |
|
* Results: |
| 906 |
|
* The return value is a standard Tcl completion code (TCL_OK or |
| 907 |
|
* TCL_ERROR). The interp's result will be set to hold either the value |
| 908 |
|
* of the option given by argvName (if TCL_OK is returned) or |
| 909 |
|
* an error message (if TCL_ERROR is returned). |
| 910 |
|
* |
| 911 |
|
* Side effects: |
| 912 |
|
* None. |
| 913 |
|
* |
| 914 |
|
*---------------------------------------------------------------------- |
| 915 |
|
*/ |
| 916 |
|
|
| 917 |
|
int |
| 918 |
|
Tk_ConfigureValue(interp, tkwin, specs, widgRec, argvName, flags) |
| 919 |
|
Tcl_Interp *interp; /* Interpreter for error reporting. */ |
| 920 |
|
Tk_Window tkwin; /* Window corresponding to widgRec. */ |
| 921 |
|
Tk_ConfigSpec *specs; /* Describes legal options. */ |
| 922 |
|
char *widgRec; /* Record whose fields contain current |
| 923 |
|
* values for options. */ |
| 924 |
|
char *argvName; /* Gives the command-line name for the |
| 925 |
|
* option whose value is to be returned. */ |
| 926 |
|
int flags; /* Used to specify additional flags |
| 927 |
|
* that must be present in config specs |
| 928 |
|
* for them to be considered. */ |
| 929 |
|
{ |
| 930 |
|
Tk_ConfigSpec *specPtr; |
| 931 |
|
int needFlags, hateFlags; |
| 932 |
|
|
| 933 |
|
needFlags = flags & ~(TK_CONFIG_USER_BIT - 1); |
| 934 |
|
if (Tk_Depth(tkwin) <= 1) { |
| 935 |
|
hateFlags = TK_CONFIG_COLOR_ONLY; |
| 936 |
|
} else { |
| 937 |
|
hateFlags = TK_CONFIG_MONO_ONLY; |
| 938 |
|
} |
| 939 |
|
specPtr = FindConfigSpec(interp, specs, argvName, needFlags, hateFlags); |
| 940 |
|
if (specPtr == NULL) { |
| 941 |
|
return TCL_ERROR; |
| 942 |
|
} |
| 943 |
|
interp->result = FormatConfigValue(interp, tkwin, specPtr, widgRec, |
| 944 |
|
interp->result, &interp->freeProc); |
| 945 |
|
return TCL_OK; |
| 946 |
|
} |
| 947 |
|
|
| 948 |
|
/* |
| 949 |
|
*---------------------------------------------------------------------- |
| 950 |
|
* |
| 951 |
|
* Tk_FreeOptions -- |
| 952 |
|
* |
| 953 |
|
* Free up all resources associated with configuration options. |
| 954 |
|
* |
| 955 |
|
* Results: |
| 956 |
|
* None. |
| 957 |
|
* |
| 958 |
|
* Side effects: |
| 959 |
|
* Any resource in widgRec that is controlled by a configuration |
| 960 |
|
* option (e.g. a Tk_3DBorder or XColor) is freed in the appropriate |
| 961 |
|
* fashion. |
| 962 |
|
* |
| 963 |
|
*---------------------------------------------------------------------- |
| 964 |
|
*/ |
| 965 |
|
|
| 966 |
|
/* ARGSUSED */ |
| 967 |
|
void |
| 968 |
|
Tk_FreeOptions(specs, widgRec, display, needFlags) |
| 969 |
|
Tk_ConfigSpec *specs; /* Describes legal options. */ |
| 970 |
|
char *widgRec; /* Record whose fields contain current |
| 971 |
|
* values for options. */ |
| 972 |
|
Display *display; /* X display; needed for freeing some |
| 973 |
|
* resources. */ |
| 974 |
|
int needFlags; /* Used to specify additional flags |
| 975 |
|
* that must be present in config specs |
| 976 |
|
* for them to be considered. */ |
| 977 |
|
{ |
| 978 |
|
register Tk_ConfigSpec *specPtr; |
| 979 |
|
char *ptr; |
| 980 |
|
|
| 981 |
|
for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) { |
| 982 |
|
if ((specPtr->specFlags & needFlags) != needFlags) { |
| 983 |
|
continue; |
| 984 |
|
} |
| 985 |
|
ptr = widgRec + specPtr->offset; |
| 986 |
|
switch (specPtr->type) { |
| 987 |
|
case TK_CONFIG_STRING: |
| 988 |
|
if (*((char **) ptr) != NULL) { |
| 989 |
|
ckfree(*((char **) ptr)); |
| 990 |
|
*((char **) ptr) = NULL; |
| 991 |
|
} |
| 992 |
|
break; |
| 993 |
|
case TK_CONFIG_COLOR: |
| 994 |
|
if (*((XColor **) ptr) != NULL) { |
| 995 |
|
Tk_FreeColor(*((XColor **) ptr)); |
| 996 |
|
*((XColor **) ptr) = NULL; |
| 997 |
|
} |
| 998 |
|
break; |
| 999 |
|
case TK_CONFIG_FONT: |
| 1000 |
|
Tk_FreeFont(*((Tk_Font *) ptr)); |
| 1001 |
|
*((Tk_Font *) ptr) = NULL; |
| 1002 |
|
break; |
| 1003 |
|
case TK_CONFIG_BITMAP: |
| 1004 |
|
if (*((Pixmap *) ptr) != None) { |
| 1005 |
|
Tk_FreeBitmap(display, *((Pixmap *) ptr)); |
| 1006 |
|
*((Pixmap *) ptr) = None; |
| 1007 |
|
} |
| 1008 |
|
break; |
| 1009 |
|
case TK_CONFIG_BORDER: |
| 1010 |
|
if (*((Tk_3DBorder *) ptr) != NULL) { |
| 1011 |
|
Tk_Free3DBorder(*((Tk_3DBorder *) ptr)); |
| 1012 |
|
*((Tk_3DBorder *) ptr) = NULL; |
| 1013 |
|
} |
| 1014 |
|
break; |
| 1015 |
|
case TK_CONFIG_CURSOR: |
| 1016 |
|
case TK_CONFIG_ACTIVE_CURSOR: |
| 1017 |
|
if (*((Tk_Cursor *) ptr) != None) { |
| 1018 |
|
Tk_FreeCursor(display, *((Tk_Cursor *) ptr)); |
| 1019 |
|
*((Tk_Cursor *) ptr) = None; |
| 1020 |
|
} |
| 1021 |
|
} |
| 1022 |
|
} |
| 1023 |
|
} |
| 1024 |
|
|
| 1025 |
|
/* End of tkoldconfig.c */ |
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