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https://github.com/QB64-Phoenix-Edition/QB64pe.git
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1622 lines
56 KiB
C
1622 lines
56 KiB
C
/*
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* tk.h --
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*
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* Declarations for Tk-related things that are visible outside of the Tk
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* module itself.
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*
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* Copyright (c) 1989-1994 The Regents of the University of California.
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* Copyright (c) 1994 The Australian National University.
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* Copyright (c) 1994-1998 Sun Microsystems, Inc.
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* Copyright (c) 1998-2000 Ajuba Solutions.
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*
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* See the file "license.terms" for information on usage and redistribution of
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* this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*/
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#ifndef _TK
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#define _TK
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#include <tcl.h>
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#if (TCL_MAJOR_VERSION != 8) || (TCL_MINOR_VERSION < 6)
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# error Tk 8.6 must be compiled with tcl.h from Tcl 8.6 or better
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#endif
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#ifndef CONST84
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# define CONST84 const
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# define CONST84_RETURN const
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#endif
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#ifndef CONST86
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# define CONST86 CONST84
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#endif
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#ifndef EXTERN
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# define EXTERN extern TCL_STORAGE_CLASS
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#endif
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/*
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* Utility macros: STRINGIFY takes an argument and wraps it in "" (double
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* quotation marks), JOIN joins two arguments.
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*/
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#ifndef STRINGIFY
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# define STRINGIFY(x) STRINGIFY1(x)
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# define STRINGIFY1(x) #x
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#endif
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#ifndef JOIN
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# define JOIN(a,b) JOIN1(a,b)
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# define JOIN1(a,b) a##b
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#endif
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/*
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* For C++ compilers, use extern "C"
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* When version numbers change here, you must also go into the following files
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* and update the version numbers:
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*
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* library/tk.tcl (1 LOC patch)
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* unix/configure.in (2 LOC Major, 2 LOC minor, 1 LOC patch)
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* win/configure.in (as above)
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* README (sections 0 and 1)
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* macosx/Tk-Common.xcconfig (not patchlevel) 1 LOC
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* win/README (not patchlevel)
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* unix/README (not patchlevel)
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* unix/tk.spec (1 LOC patch)
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* win/tcl.m4 (not patchlevel)
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*
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* You may also need to update some of these files when the numbers change for
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* the version of Tcl that this release of Tk is compiled against.
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*/
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#define TK_MAJOR_VERSION 8
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#define TK_MINOR_VERSION 6
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#define TK_RELEASE_LEVEL TCL_FINAL_RELEASE
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#define TK_RELEASE_SERIAL 8
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#define TK_VERSION "8.6"
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#define TK_PATCH_LEVEL "8.6.8"
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/*
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* A special definition used to allow this header file to be included from
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* windows or mac resource files so that they can obtain version information.
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* RC_INVOKED is defined by default by the windows RC tool and manually set
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* for macintosh.
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*
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* Resource compilers don't like all the C stuff, like typedefs and procedure
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* declarations, that occur below, so block them out.
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*/
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#ifndef RC_INVOKED
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#ifndef _XLIB_H
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# include <X11/Xlib.h>
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# ifdef MAC_OSX_TK
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# include <X11/X.h>
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# endif
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#endif
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#ifdef __STDC__
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# include <stddef.h>
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#endif
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#ifdef BUILD_tk
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#undef TCL_STORAGE_CLASS
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#define TCL_STORAGE_CLASS DLLEXPORT
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#endif
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/*
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*----------------------------------------------------------------------
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*
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* Decide whether or not to use input methods.
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*/
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#ifdef XNQueryInputStyle
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#define TK_USE_INPUT_METHODS
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#endif
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/*
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* Dummy types that are used by clients:
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*/
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typedef struct Tk_BindingTable_ *Tk_BindingTable;
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typedef struct Tk_Canvas_ *Tk_Canvas;
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typedef struct Tk_Cursor_ *Tk_Cursor;
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typedef struct Tk_ErrorHandler_ *Tk_ErrorHandler;
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typedef struct Tk_Font_ *Tk_Font;
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typedef struct Tk_Image__ *Tk_Image;
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typedef struct Tk_ImageMaster_ *Tk_ImageMaster;
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typedef struct Tk_OptionTable_ *Tk_OptionTable;
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typedef struct Tk_PostscriptInfo_ *Tk_PostscriptInfo;
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typedef struct Tk_TextLayout_ *Tk_TextLayout;
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typedef struct Tk_Window_ *Tk_Window;
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typedef struct Tk_3DBorder_ *Tk_3DBorder;
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typedef struct Tk_Style_ *Tk_Style;
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typedef struct Tk_StyleEngine_ *Tk_StyleEngine;
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typedef struct Tk_StyledElement_ *Tk_StyledElement;
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/*
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* Additional types exported to clients.
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*/
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typedef const char *Tk_Uid;
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/*
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*----------------------------------------------------------------------
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*
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* The enum below defines the valid types for Tk configuration options as
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* implemented by Tk_InitOptions, Tk_SetOptions, etc.
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*/
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typedef enum {
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TK_OPTION_BOOLEAN,
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TK_OPTION_INT,
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TK_OPTION_DOUBLE,
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TK_OPTION_STRING,
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TK_OPTION_STRING_TABLE,
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TK_OPTION_COLOR,
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TK_OPTION_FONT,
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TK_OPTION_BITMAP,
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TK_OPTION_BORDER,
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TK_OPTION_RELIEF,
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TK_OPTION_CURSOR,
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TK_OPTION_JUSTIFY,
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TK_OPTION_ANCHOR,
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TK_OPTION_SYNONYM,
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TK_OPTION_PIXELS,
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TK_OPTION_WINDOW,
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TK_OPTION_END,
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TK_OPTION_CUSTOM,
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TK_OPTION_STYLE
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} Tk_OptionType;
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/*
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* Structures of the following type are used by widgets to specify their
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* configuration options. Typically each widget has a static array of these
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* structures, where each element of the array describes a single
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* configuration option. The array is passed to Tk_CreateOptionTable.
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*/
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typedef struct Tk_OptionSpec {
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Tk_OptionType type; /* Type of option, such as TK_OPTION_COLOR;
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* see definitions above. Last option in table
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* must have type TK_OPTION_END. */
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const char *optionName; /* Name used to specify option in Tcl
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* commands. */
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const char *dbName; /* Name for option in option database. */
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const char *dbClass; /* Class for option in database. */
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const char *defValue; /* Default value for option if not specified
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* in command line, the option database, or
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* the system. */
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int objOffset; /* Where in record to store a Tcl_Obj * that
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* holds the value of this option, specified
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* as an offset in bytes from the start of the
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* record. Use the Tk_Offset macro to generate
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* values for this. -1 means don't store the
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* Tcl_Obj in the record. */
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int internalOffset; /* Where in record to store the internal
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* representation of the value of this option,
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* such as an int or XColor *. This field is
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* specified as an offset in bytes from the
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* start of the record. Use the Tk_Offset
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* macro to generate values for it. -1 means
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* don't store the internal representation in
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* the record. */
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int flags; /* Any combination of the values defined
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* below. */
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const void *clientData; /* An alternate place to put option-specific
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* data. Used for the monochrome default value
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* for colors, etc. */
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int typeMask; /* An arbitrary bit mask defined by the class
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* manager; typically bits correspond to
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* certain kinds of options such as all those
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* that require a redisplay when they change.
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* Tk_SetOptions returns the bit-wise OR of
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* the typeMasks of all options that were
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* changed. */
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} Tk_OptionSpec;
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/*
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* Flag values for Tk_OptionSpec structures. These flags are shared by
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* Tk_ConfigSpec structures, so be sure to coordinate any changes carefully.
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*/
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#define TK_OPTION_NULL_OK (1 << 0)
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#define TK_OPTION_DONT_SET_DEFAULT (1 << 3)
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/*
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* The following structure and function types are used by TK_OPTION_CUSTOM
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* options; the structure holds pointers to the functions needed by the Tk
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* option config code to handle a custom option.
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*/
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typedef int (Tk_CustomOptionSetProc) (ClientData clientData,
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Tcl_Interp *interp, Tk_Window tkwin, Tcl_Obj **value, char *widgRec,
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int offset, char *saveInternalPtr, int flags);
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typedef Tcl_Obj *(Tk_CustomOptionGetProc) (ClientData clientData,
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Tk_Window tkwin, char *widgRec, int offset);
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typedef void (Tk_CustomOptionRestoreProc) (ClientData clientData,
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Tk_Window tkwin, char *internalPtr, char *saveInternalPtr);
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typedef void (Tk_CustomOptionFreeProc) (ClientData clientData, Tk_Window tkwin,
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char *internalPtr);
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typedef struct Tk_ObjCustomOption {
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const char *name; /* Name of the custom option. */
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Tk_CustomOptionSetProc *setProc;
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/* Function to use to set a record's option
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* value from a Tcl_Obj */
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Tk_CustomOptionGetProc *getProc;
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/* Function to use to get a Tcl_Obj
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* representation from an internal
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* representation of an option. */
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Tk_CustomOptionRestoreProc *restoreProc;
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/* Function to use to restore a saved value
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* for the internal representation. */
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Tk_CustomOptionFreeProc *freeProc;
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/* Function to use to free the internal
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* representation of an option. */
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ClientData clientData; /* Arbitrary one-word value passed to the
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* handling procs. */
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} Tk_ObjCustomOption;
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/*
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* Macro to use to fill in "offset" fields of the Tk_OptionSpec structure.
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* Computes number of bytes from beginning of structure to a given field.
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*/
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#ifdef offsetof
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#define Tk_Offset(type, field) ((int) offsetof(type, field))
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#else
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#define Tk_Offset(type, field) ((int) ((char *) &((type *) 0)->field))
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#endif
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/*
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* The following two structures are used for error handling. When config
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* options are being modified, the old values are saved in a Tk_SavedOptions
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* structure. If an error occurs, then the contents of the structure can be
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* used to restore all of the old values. The contents of this structure are
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* for the private use Tk. No-one outside Tk should ever read or write any of
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* the fields of these structures.
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*/
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typedef struct Tk_SavedOption {
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struct TkOption *optionPtr; /* Points to information that describes the
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* option. */
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Tcl_Obj *valuePtr; /* The old value of the option, in the form of
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* a Tcl object; may be NULL if the value was
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* not saved as an object. */
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double internalForm; /* The old value of the option, in some
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* internal representation such as an int or
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* (XColor *). Valid only if the field
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* optionPtr->specPtr->objOffset is < 0. The
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* space must be large enough to accommodate a
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* double, a long, or a pointer; right now it
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* looks like a double (i.e., 8 bytes) is big
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* enough. Also, using a double guarantees
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* that the field is properly aligned for
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* storing large values. */
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} Tk_SavedOption;
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#ifdef TCL_MEM_DEBUG
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# define TK_NUM_SAVED_OPTIONS 2
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#else
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# define TK_NUM_SAVED_OPTIONS 20
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#endif
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typedef struct Tk_SavedOptions {
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char *recordPtr; /* The data structure in which to restore
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* configuration options. */
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Tk_Window tkwin; /* Window associated with recordPtr; needed to
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* restore certain options. */
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int numItems; /* The number of valid items in items field. */
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Tk_SavedOption items[TK_NUM_SAVED_OPTIONS];
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/* Items used to hold old values. */
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struct Tk_SavedOptions *nextPtr;
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/* Points to next structure in list; needed if
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* too many options changed to hold all the
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* old values in a single structure. NULL
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* means no more structures. */
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} Tk_SavedOptions;
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/*
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* Structure used to describe application-specific configuration options:
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* indicates procedures to call to parse an option and to return a text string
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* describing an option. THESE ARE DEPRECATED; PLEASE USE THE NEW STRUCTURES
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* LISTED ABOVE.
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*/
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/*
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* This is a temporary flag used while tkObjConfig and new widgets are in
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* development.
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*/
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#ifndef __NO_OLD_CONFIG
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typedef int (Tk_OptionParseProc) (ClientData clientData, Tcl_Interp *interp,
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Tk_Window tkwin, CONST84 char *value, char *widgRec, int offset);
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typedef CONST86 char *(Tk_OptionPrintProc) (ClientData clientData,
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Tk_Window tkwin, char *widgRec, int offset, Tcl_FreeProc **freeProcPtr);
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typedef struct Tk_CustomOption {
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Tk_OptionParseProc *parseProc;
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/* Procedure to call to parse an option and
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* store it in converted form. */
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Tk_OptionPrintProc *printProc;
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/* Procedure to return a printable string
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* describing an existing option. */
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ClientData clientData; /* Arbitrary one-word value used by option
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* parser: passed to parseProc and
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* printProc. */
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} Tk_CustomOption;
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/*
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* Structure used to specify information for Tk_ConfigureWidget. Each
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* structure gives complete information for one option, including how the
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* option is specified on the command line, where it appears in the option
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* database, etc.
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*/
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typedef struct Tk_ConfigSpec {
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int type; /* Type of option, such as TK_CONFIG_COLOR;
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* see definitions below. Last option in table
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* must have type TK_CONFIG_END. */
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CONST86 char *argvName; /* Switch used to specify option in argv. NULL
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* means this spec is part of a group. */
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Tk_Uid dbName; /* Name for option in option database. */
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Tk_Uid dbClass; /* Class for option in database. */
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Tk_Uid defValue; /* Default value for option if not specified
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* in command line or database. */
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int offset; /* Where in widget record to store value; use
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* Tk_Offset macro to generate values for
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* this. */
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int specFlags; /* Any combination of the values defined
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* below; other bits are used internally by
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* tkConfig.c. */
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CONST86 Tk_CustomOption *customPtr;
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/* If type is TK_CONFIG_CUSTOM then this is a
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* pointer to info about how to parse and
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* print the option. Otherwise it is
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* irrelevant. */
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} Tk_ConfigSpec;
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/*
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* Type values for Tk_ConfigSpec structures. See the user documentation for
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* details.
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*/
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typedef enum {
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TK_CONFIG_BOOLEAN, TK_CONFIG_INT, TK_CONFIG_DOUBLE, TK_CONFIG_STRING,
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TK_CONFIG_UID, TK_CONFIG_COLOR, TK_CONFIG_FONT, TK_CONFIG_BITMAP,
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TK_CONFIG_BORDER, TK_CONFIG_RELIEF, TK_CONFIG_CURSOR,
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TK_CONFIG_ACTIVE_CURSOR, TK_CONFIG_JUSTIFY, TK_CONFIG_ANCHOR,
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TK_CONFIG_SYNONYM, TK_CONFIG_CAP_STYLE, TK_CONFIG_JOIN_STYLE,
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TK_CONFIG_PIXELS, TK_CONFIG_MM, TK_CONFIG_WINDOW, TK_CONFIG_CUSTOM,
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TK_CONFIG_END
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} Tk_ConfigTypes;
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/*
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* Possible values for flags argument to Tk_ConfigureWidget:
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*/
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#define TK_CONFIG_ARGV_ONLY 1
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#define TK_CONFIG_OBJS 0x80
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/*
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* Possible flag values for Tk_ConfigSpec structures. Any bits at or above
|
||
* TK_CONFIG_USER_BIT may be used by clients for selecting certain entries.
|
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* Before changing any values here, coordinate with tkOldConfig.c
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* (internal-use-only flags are defined there).
|
||
*/
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||
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#define TK_CONFIG_NULL_OK (1 << 0)
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#define TK_CONFIG_COLOR_ONLY (1 << 1)
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#define TK_CONFIG_MONO_ONLY (1 << 2)
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||
#define TK_CONFIG_DONT_SET_DEFAULT (1 << 3)
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||
#define TK_CONFIG_OPTION_SPECIFIED (1 << 4)
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||
#define TK_CONFIG_USER_BIT 0x100
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#endif /* __NO_OLD_CONFIG */
|
||
|
||
/*
|
||
* Structure used to specify how to handle argv options.
|
||
*/
|
||
|
||
typedef struct {
|
||
CONST86 char *key; /* The key string that flags the option in the
|
||
* argv array. */
|
||
int type; /* Indicates option type; see below. */
|
||
char *src; /* Value to be used in setting dst; usage
|
||
* depends on type. */
|
||
char *dst; /* Address of value to be modified; usage
|
||
* depends on type. */
|
||
CONST86 char *help; /* Documentation message describing this
|
||
* option. */
|
||
} Tk_ArgvInfo;
|
||
|
||
/*
|
||
* Legal values for the type field of a Tk_ArgvInfo: see the user
|
||
* documentation for details.
|
||
*/
|
||
|
||
#define TK_ARGV_CONSTANT 15
|
||
#define TK_ARGV_INT 16
|
||
#define TK_ARGV_STRING 17
|
||
#define TK_ARGV_UID 18
|
||
#define TK_ARGV_REST 19
|
||
#define TK_ARGV_FLOAT 20
|
||
#define TK_ARGV_FUNC 21
|
||
#define TK_ARGV_GENFUNC 22
|
||
#define TK_ARGV_HELP 23
|
||
#define TK_ARGV_CONST_OPTION 24
|
||
#define TK_ARGV_OPTION_VALUE 25
|
||
#define TK_ARGV_OPTION_NAME_VALUE 26
|
||
#define TK_ARGV_END 27
|
||
|
||
/*
|
||
* Flag bits for passing to Tk_ParseArgv:
|
||
*/
|
||
|
||
#define TK_ARGV_NO_DEFAULTS 0x1
|
||
#define TK_ARGV_NO_LEFTOVERS 0x2
|
||
#define TK_ARGV_NO_ABBREV 0x4
|
||
#define TK_ARGV_DONT_SKIP_FIRST_ARG 0x8
|
||
|
||
/*
|
||
* Enumerated type for describing actions to be taken in response to a
|
||
* restrictProc established by Tk_RestrictEvents.
|
||
*/
|
||
|
||
typedef enum {
|
||
TK_DEFER_EVENT, TK_PROCESS_EVENT, TK_DISCARD_EVENT
|
||
} Tk_RestrictAction;
|
||
|
||
/*
|
||
* Priority levels to pass to Tk_AddOption:
|
||
*/
|
||
|
||
#define TK_WIDGET_DEFAULT_PRIO 20
|
||
#define TK_STARTUP_FILE_PRIO 40
|
||
#define TK_USER_DEFAULT_PRIO 60
|
||
#define TK_INTERACTIVE_PRIO 80
|
||
#define TK_MAX_PRIO 100
|
||
|
||
/*
|
||
* Relief values returned by Tk_GetRelief:
|
||
*/
|
||
|
||
#define TK_RELIEF_NULL -1
|
||
#define TK_RELIEF_FLAT 0
|
||
#define TK_RELIEF_GROOVE 1
|
||
#define TK_RELIEF_RAISED 2
|
||
#define TK_RELIEF_RIDGE 3
|
||
#define TK_RELIEF_SOLID 4
|
||
#define TK_RELIEF_SUNKEN 5
|
||
|
||
/*
|
||
* "Which" argument values for Tk_3DBorderGC:
|
||
*/
|
||
|
||
#define TK_3D_FLAT_GC 1
|
||
#define TK_3D_LIGHT_GC 2
|
||
#define TK_3D_DARK_GC 3
|
||
|
||
/*
|
||
* Special EnterNotify/LeaveNotify "mode" for use in events generated by
|
||
* tkShare.c. Pick a high enough value that it's unlikely to conflict with
|
||
* existing values (like NotifyNormal) or any new values defined in the
|
||
* future.
|
||
*/
|
||
|
||
#define TK_NOTIFY_SHARE 20
|
||
|
||
/*
|
||
* Enumerated type for describing a point by which to anchor something:
|
||
*/
|
||
|
||
typedef enum {
|
||
TK_ANCHOR_N, TK_ANCHOR_NE, TK_ANCHOR_E, TK_ANCHOR_SE,
|
||
TK_ANCHOR_S, TK_ANCHOR_SW, TK_ANCHOR_W, TK_ANCHOR_NW,
|
||
TK_ANCHOR_CENTER
|
||
} Tk_Anchor;
|
||
|
||
/*
|
||
* Enumerated type for describing a style of justification:
|
||
*/
|
||
|
||
typedef enum {
|
||
TK_JUSTIFY_LEFT, TK_JUSTIFY_RIGHT, TK_JUSTIFY_CENTER
|
||
} Tk_Justify;
|
||
|
||
/*
|
||
* The following structure is used by Tk_GetFontMetrics() to return
|
||
* information about the properties of a Tk_Font.
|
||
*/
|
||
|
||
typedef struct Tk_FontMetrics {
|
||
int ascent; /* The amount in pixels that the tallest
|
||
* letter sticks up above the baseline, plus
|
||
* any extra blank space added by the designer
|
||
* of the font. */
|
||
int descent; /* The largest amount in pixels that any
|
||
* letter sticks below the baseline, plus any
|
||
* extra blank space added by the designer of
|
||
* the font. */
|
||
int linespace; /* The sum of the ascent and descent. How far
|
||
* apart two lines of text in the same font
|
||
* should be placed so that none of the
|
||
* characters in one line overlap any of the
|
||
* characters in the other line. */
|
||
} Tk_FontMetrics;
|
||
|
||
/*
|
||
* Flags passed to Tk_MeasureChars:
|
||
*/
|
||
|
||
#define TK_WHOLE_WORDS 1
|
||
#define TK_AT_LEAST_ONE 2
|
||
#define TK_PARTIAL_OK 4
|
||
|
||
/*
|
||
* Flags passed to Tk_ComputeTextLayout:
|
||
*/
|
||
|
||
#define TK_IGNORE_TABS 8
|
||
#define TK_IGNORE_NEWLINES 16
|
||
|
||
/*
|
||
* Widget class procedures used to implement platform specific widget
|
||
* behavior.
|
||
*/
|
||
|
||
typedef Window (Tk_ClassCreateProc) (Tk_Window tkwin, Window parent,
|
||
ClientData instanceData);
|
||
typedef void (Tk_ClassWorldChangedProc) (ClientData instanceData);
|
||
typedef void (Tk_ClassModalProc) (Tk_Window tkwin, XEvent *eventPtr);
|
||
|
||
typedef struct Tk_ClassProcs {
|
||
unsigned int size;
|
||
Tk_ClassWorldChangedProc *worldChangedProc;
|
||
/* Procedure to invoke when the widget needs
|
||
* to respond in some way to a change in the
|
||
* world (font changes, etc.) */
|
||
Tk_ClassCreateProc *createProc;
|
||
/* Procedure to invoke when the platform-
|
||
* dependent window needs to be created. */
|
||
Tk_ClassModalProc *modalProc;
|
||
/* Procedure to invoke after all bindings on a
|
||
* widget have been triggered in order to
|
||
* handle a modal loop. */
|
||
} Tk_ClassProcs;
|
||
|
||
/*
|
||
* Simple accessor for Tk_ClassProcs structure. Checks that the structure is
|
||
* not NULL, then checks the size field and returns either the requested
|
||
* field, if present, or NULL if the structure is too small to have the field
|
||
* (or NULL if the structure is NULL).
|
||
*
|
||
* A more general version of this function may be useful if other
|
||
* size-versioned structure pop up in the future:
|
||
*
|
||
* #define Tk_GetField(name, who, which) \
|
||
* (((who) == NULL) ? NULL :
|
||
* (((who)->size <= Tk_Offset(name, which)) ? NULL :(name)->which))
|
||
*/
|
||
|
||
#define Tk_GetClassProc(procs, which) \
|
||
(((procs) == NULL) ? NULL : \
|
||
(((procs)->size <= Tk_Offset(Tk_ClassProcs, which)) ? NULL:(procs)->which))
|
||
|
||
/*
|
||
* Each geometry manager (the packer, the placer, etc.) is represented by a
|
||
* structure of the following form, which indicates procedures to invoke in
|
||
* the geometry manager to carry out certain functions.
|
||
*/
|
||
|
||
typedef void (Tk_GeomRequestProc) (ClientData clientData, Tk_Window tkwin);
|
||
typedef void (Tk_GeomLostSlaveProc) (ClientData clientData, Tk_Window tkwin);
|
||
|
||
typedef struct Tk_GeomMgr {
|
||
const char *name; /* Name of the geometry manager (command used
|
||
* to invoke it, or name of widget class that
|
||
* allows embedded widgets). */
|
||
Tk_GeomRequestProc *requestProc;
|
||
/* Procedure to invoke when a slave's
|
||
* requested geometry changes. */
|
||
Tk_GeomLostSlaveProc *lostSlaveProc;
|
||
/* Procedure to invoke when a slave is taken
|
||
* away from one geometry manager by another.
|
||
* NULL means geometry manager doesn't care
|
||
* when slaves are lost. */
|
||
} Tk_GeomMgr;
|
||
|
||
/*
|
||
* Result values returned by Tk_GetScrollInfo:
|
||
*/
|
||
|
||
#define TK_SCROLL_MOVETO 1
|
||
#define TK_SCROLL_PAGES 2
|
||
#define TK_SCROLL_UNITS 3
|
||
#define TK_SCROLL_ERROR 4
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Extensions to the X event set
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
#define VirtualEvent (MappingNotify + 1)
|
||
#define ActivateNotify (MappingNotify + 2)
|
||
#define DeactivateNotify (MappingNotify + 3)
|
||
#define MouseWheelEvent (MappingNotify + 4)
|
||
#define TK_LASTEVENT (MappingNotify + 5)
|
||
|
||
#define MouseWheelMask (1L << 28)
|
||
#define ActivateMask (1L << 29)
|
||
#define VirtualEventMask (1L << 30)
|
||
|
||
/*
|
||
* A virtual event shares most of its fields with the XKeyEvent and
|
||
* XButtonEvent structures. 99% of the time a virtual event will be an
|
||
* abstraction of a key or button event, so this structure provides the most
|
||
* information to the user. The only difference is the changing of the detail
|
||
* field for a virtual event so that it holds the name of the virtual event
|
||
* being triggered.
|
||
*
|
||
* When using this structure, you should ensure that you zero out all the
|
||
* fields first using memset() or bzero().
|
||
*/
|
||
|
||
typedef struct {
|
||
int type;
|
||
unsigned long serial; /* # of last request processed by server. */
|
||
Bool send_event; /* True if this came from a SendEvent
|
||
* request. */
|
||
Display *display; /* Display the event was read from. */
|
||
Window event; /* Window on which event was requested. */
|
||
Window root; /* Root window that the event occured on. */
|
||
Window subwindow; /* Child window. */
|
||
Time time; /* Milliseconds. */
|
||
int x, y; /* Pointer x, y coordinates in event
|
||
* window. */
|
||
int x_root, y_root; /* Coordinates relative to root. */
|
||
unsigned int state; /* Key or button mask */
|
||
Tk_Uid name; /* Name of virtual event. */
|
||
Bool same_screen; /* Same screen flag. */
|
||
Tcl_Obj *user_data; /* Application-specific data reference; Tk
|
||
* will decrement the reference count *once*
|
||
* when it has finished processing the
|
||
* event. */
|
||
} XVirtualEvent;
|
||
|
||
typedef struct {
|
||
int type;
|
||
unsigned long serial; /* # of last request processed by server. */
|
||
Bool send_event; /* True if this came from a SendEvent
|
||
* request. */
|
||
Display *display; /* Display the event was read from. */
|
||
Window window; /* Window in which event occurred. */
|
||
} XActivateDeactivateEvent;
|
||
typedef XActivateDeactivateEvent XActivateEvent;
|
||
typedef XActivateDeactivateEvent XDeactivateEvent;
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Macros for querying Tk_Window structures. See the manual entries for
|
||
* documentation.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
#define Tk_Display(tkwin) (((Tk_FakeWin *) (tkwin))->display)
|
||
#define Tk_ScreenNumber(tkwin) (((Tk_FakeWin *) (tkwin))->screenNum)
|
||
#define Tk_Screen(tkwin) \
|
||
(ScreenOfDisplay(Tk_Display(tkwin), Tk_ScreenNumber(tkwin)))
|
||
#define Tk_Depth(tkwin) (((Tk_FakeWin *) (tkwin))->depth)
|
||
#define Tk_Visual(tkwin) (((Tk_FakeWin *) (tkwin))->visual)
|
||
#define Tk_WindowId(tkwin) (((Tk_FakeWin *) (tkwin))->window)
|
||
#define Tk_PathName(tkwin) (((Tk_FakeWin *) (tkwin))->pathName)
|
||
#define Tk_Name(tkwin) (((Tk_FakeWin *) (tkwin))->nameUid)
|
||
#define Tk_Class(tkwin) (((Tk_FakeWin *) (tkwin))->classUid)
|
||
#define Tk_X(tkwin) (((Tk_FakeWin *) (tkwin))->changes.x)
|
||
#define Tk_Y(tkwin) (((Tk_FakeWin *) (tkwin))->changes.y)
|
||
#define Tk_Width(tkwin) (((Tk_FakeWin *) (tkwin))->changes.width)
|
||
#define Tk_Height(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->changes.height)
|
||
#define Tk_Changes(tkwin) (&((Tk_FakeWin *) (tkwin))->changes)
|
||
#define Tk_Attributes(tkwin) (&((Tk_FakeWin *) (tkwin))->atts)
|
||
#define Tk_IsEmbedded(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->flags & TK_EMBEDDED)
|
||
#define Tk_IsContainer(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->flags & TK_CONTAINER)
|
||
#define Tk_IsMapped(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->flags & TK_MAPPED)
|
||
#define Tk_IsTopLevel(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->flags & TK_TOP_LEVEL)
|
||
#define Tk_HasWrapper(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->flags & TK_HAS_WRAPPER)
|
||
#define Tk_WinManaged(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->flags & TK_WIN_MANAGED)
|
||
#define Tk_TopWinHierarchy(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->flags & TK_TOP_HIERARCHY)
|
||
#define Tk_IsManageable(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->flags & TK_WM_MANAGEABLE)
|
||
#define Tk_ReqWidth(tkwin) (((Tk_FakeWin *) (tkwin))->reqWidth)
|
||
#define Tk_ReqHeight(tkwin) (((Tk_FakeWin *) (tkwin))->reqHeight)
|
||
/* Tk_InternalBorderWidth is deprecated */
|
||
#define Tk_InternalBorderWidth(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->internalBorderLeft)
|
||
#define Tk_InternalBorderLeft(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->internalBorderLeft)
|
||
#define Tk_InternalBorderRight(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->internalBorderRight)
|
||
#define Tk_InternalBorderTop(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->internalBorderTop)
|
||
#define Tk_InternalBorderBottom(tkwin) \
|
||
(((Tk_FakeWin *) (tkwin))->internalBorderBottom)
|
||
#define Tk_MinReqWidth(tkwin) (((Tk_FakeWin *) (tkwin))->minReqWidth)
|
||
#define Tk_MinReqHeight(tkwin) (((Tk_FakeWin *) (tkwin))->minReqHeight)
|
||
#define Tk_Parent(tkwin) (((Tk_FakeWin *) (tkwin))->parentPtr)
|
||
#define Tk_Colormap(tkwin) (((Tk_FakeWin *) (tkwin))->atts.colormap)
|
||
|
||
/*
|
||
* The structure below is needed by the macros above so that they can access
|
||
* the fields of a Tk_Window. The fields not needed by the macros are declared
|
||
* as "dummyX". The structure has its own type in order to prevent apps from
|
||
* accessing Tk_Window fields except using official macros. WARNING!! The
|
||
* structure definition must be kept consistent with the TkWindow structure in
|
||
* tkInt.h. If you change one, then change the other. See the declaration in
|
||
* tkInt.h for documentation on what the fields are used for internally.
|
||
*/
|
||
|
||
typedef struct Tk_FakeWin {
|
||
Display *display;
|
||
char *dummy1; /* dispPtr */
|
||
int screenNum;
|
||
Visual *visual;
|
||
int depth;
|
||
Window window;
|
||
char *dummy2; /* childList */
|
||
char *dummy3; /* lastChildPtr */
|
||
Tk_Window parentPtr; /* parentPtr */
|
||
char *dummy4; /* nextPtr */
|
||
char *dummy5; /* mainPtr */
|
||
char *pathName;
|
||
Tk_Uid nameUid;
|
||
Tk_Uid classUid;
|
||
XWindowChanges changes;
|
||
unsigned int dummy6; /* dirtyChanges */
|
||
XSetWindowAttributes atts;
|
||
unsigned long dummy7; /* dirtyAtts */
|
||
unsigned int flags;
|
||
char *dummy8; /* handlerList */
|
||
#ifdef TK_USE_INPUT_METHODS
|
||
XIC dummy9; /* inputContext */
|
||
#endif /* TK_USE_INPUT_METHODS */
|
||
ClientData *dummy10; /* tagPtr */
|
||
int dummy11; /* numTags */
|
||
int dummy12; /* optionLevel */
|
||
char *dummy13; /* selHandlerList */
|
||
char *dummy14; /* geomMgrPtr */
|
||
ClientData dummy15; /* geomData */
|
||
int reqWidth, reqHeight;
|
||
int internalBorderLeft;
|
||
char *dummy16; /* wmInfoPtr */
|
||
char *dummy17; /* classProcPtr */
|
||
ClientData dummy18; /* instanceData */
|
||
char *dummy19; /* privatePtr */
|
||
int internalBorderRight;
|
||
int internalBorderTop;
|
||
int internalBorderBottom;
|
||
int minReqWidth;
|
||
int minReqHeight;
|
||
char *dummy20; /* geometryMaster */
|
||
#ifdef TK_USE_INPUT_METHODS
|
||
int dummy21;
|
||
#endif /* TK_USE_INPUT_METHODS */
|
||
} Tk_FakeWin;
|
||
|
||
/*
|
||
* Flag values for TkWindow (and Tk_FakeWin) structures are:
|
||
*
|
||
* TK_MAPPED: 1 means window is currently mapped,
|
||
* 0 means unmapped.
|
||
* TK_TOP_LEVEL: 1 means this is a top-level widget.
|
||
* TK_ALREADY_DEAD: 1 means the window is in the process of
|
||
* being destroyed already.
|
||
* TK_NEED_CONFIG_NOTIFY: 1 means that the window has been reconfigured
|
||
* before it was made to exist. At the time of
|
||
* making it exist a ConfigureNotify event needs
|
||
* to be generated.
|
||
* TK_GRAB_FLAG: Used to manage grabs. See tkGrab.c for details
|
||
* TK_CHECKED_IC: 1 means we've already tried to get an input
|
||
* context for this window; if the ic field is
|
||
* NULL it means that there isn't a context for
|
||
* the field.
|
||
* TK_DONT_DESTROY_WINDOW: 1 means that Tk_DestroyWindow should not
|
||
* invoke XDestroyWindow to destroy this widget's
|
||
* X window. The flag is set when the window has
|
||
* already been destroyed elsewhere (e.g. by
|
||
* another application) or when it will be
|
||
* destroyed later (e.g. by destroying its parent)
|
||
* TK_WM_COLORMAP_WINDOW: 1 means that this window has at some time
|
||
* appeared in the WM_COLORMAP_WINDOWS property
|
||
* for its toplevel, so we have to remove it from
|
||
* that property if the window is deleted and the
|
||
* toplevel isn't.
|
||
* TK_EMBEDDED: 1 means that this window (which must be a
|
||
* toplevel) is not a free-standing window but
|
||
* rather is embedded in some other application.
|
||
* TK_CONTAINER: 1 means that this window is a container, and
|
||
* that some other application (either in this
|
||
* process or elsewhere) may be embedding itself
|
||
* inside the window.
|
||
* TK_BOTH_HALVES: 1 means that this window is used for
|
||
* application embedding (either as container or
|
||
* embedded application), and both the containing
|
||
* and embedded halves are associated with
|
||
* windows in this particular process.
|
||
* TK_WRAPPER: 1 means that this window is the extra wrapper
|
||
* window created around a toplevel to hold the
|
||
* menubar under Unix. See tkUnixWm.c for more
|
||
* information.
|
||
* TK_REPARENTED: 1 means that this window has been reparented
|
||
* so that as far as the window system is
|
||
* concerned it isn't a child of its Tk parent.
|
||
* Initially this is used only for special Unix
|
||
* menubar windows.
|
||
* TK_ANONYMOUS_WINDOW: 1 means that this window has no name, and is
|
||
* thus not accessible from Tk.
|
||
* TK_HAS_WRAPPER 1 means that this window has a wrapper window
|
||
* TK_WIN_MANAGED 1 means that this window is a child of the root
|
||
* window, and is managed by the window manager.
|
||
* TK_TOP_HIERARCHY 1 means this window is at the top of a physical
|
||
* window hierarchy within this process, i.e. the
|
||
* window's parent either doesn't exist or is not
|
||
* owned by this Tk application.
|
||
* TK_PROP_PROPCHANGE 1 means that PropertyNotify events in the
|
||
* window's children should propagate up to this
|
||
* window.
|
||
* TK_WM_MANAGEABLE 1 marks a window as capable of being converted
|
||
* into a toplevel using [wm manage].
|
||
*/
|
||
|
||
#define TK_MAPPED 1
|
||
#define TK_TOP_LEVEL 2
|
||
#define TK_ALREADY_DEAD 4
|
||
#define TK_NEED_CONFIG_NOTIFY 8
|
||
#define TK_GRAB_FLAG 0x10
|
||
#define TK_CHECKED_IC 0x20
|
||
#define TK_DONT_DESTROY_WINDOW 0x40
|
||
#define TK_WM_COLORMAP_WINDOW 0x80
|
||
#define TK_EMBEDDED 0x100
|
||
#define TK_CONTAINER 0x200
|
||
#define TK_BOTH_HALVES 0x400
|
||
#define TK_WRAPPER 0x1000
|
||
#define TK_REPARENTED 0x2000
|
||
#define TK_ANONYMOUS_WINDOW 0x4000
|
||
#define TK_HAS_WRAPPER 0x8000
|
||
#define TK_WIN_MANAGED 0x10000
|
||
#define TK_TOP_HIERARCHY 0x20000
|
||
#define TK_PROP_PROPCHANGE 0x40000
|
||
#define TK_WM_MANAGEABLE 0x80000
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Procedure prototypes and structures used for defining new canvas items:
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
typedef enum {
|
||
TK_STATE_NULL = -1, TK_STATE_ACTIVE, TK_STATE_DISABLED,
|
||
TK_STATE_NORMAL, TK_STATE_HIDDEN
|
||
} Tk_State;
|
||
|
||
typedef struct Tk_SmoothMethod {
|
||
CONST86 char *name;
|
||
int (*coordProc) (Tk_Canvas canvas, double *pointPtr, int numPoints,
|
||
int numSteps, XPoint xPoints[], double dblPoints[]);
|
||
void (*postscriptProc) (Tcl_Interp *interp, Tk_Canvas canvas,
|
||
double *coordPtr, int numPoints, int numSteps);
|
||
} Tk_SmoothMethod;
|
||
|
||
/*
|
||
* For each item in a canvas widget there exists one record with the following
|
||
* structure. Each actual item is represented by a record with the following
|
||
* stuff at its beginning, plus additional type-specific stuff after that.
|
||
*/
|
||
|
||
#define TK_TAG_SPACE 3
|
||
|
||
typedef struct Tk_Item {
|
||
int id; /* Unique identifier for this item (also
|
||
* serves as first tag for item). */
|
||
struct Tk_Item *nextPtr; /* Next in display list of all items in this
|
||
* canvas. Later items in list are drawn on
|
||
* top of earlier ones. */
|
||
Tk_Uid staticTagSpace[TK_TAG_SPACE];
|
||
/* Built-in space for limited # of tags. */
|
||
Tk_Uid *tagPtr; /* Pointer to array of tags. Usually points to
|
||
* staticTagSpace, but may point to malloc-ed
|
||
* space if there are lots of tags. */
|
||
int tagSpace; /* Total amount of tag space available at
|
||
* tagPtr. */
|
||
int numTags; /* Number of tag slots actually used at
|
||
* *tagPtr. */
|
||
struct Tk_ItemType *typePtr;/* Table of procedures that implement this
|
||
* type of item. */
|
||
int x1, y1, x2, y2; /* Bounding box for item, in integer canvas
|
||
* units. Set by item-specific code and
|
||
* guaranteed to contain every pixel drawn in
|
||
* item. Item area includes x1 and y1 but not
|
||
* x2 and y2. */
|
||
struct Tk_Item *prevPtr; /* Previous in display list of all items in
|
||
* this canvas. Later items in list are drawn
|
||
* just below earlier ones. */
|
||
Tk_State state; /* State of item. */
|
||
char *reserved1; /* reserved for future use */
|
||
int redraw_flags; /* Some flags used in the canvas */
|
||
|
||
/*
|
||
*------------------------------------------------------------------
|
||
* Starting here is additional type-specific stuff; see the declarations
|
||
* for individual types to see what is part of each type. The actual space
|
||
* below is determined by the "itemInfoSize" of the type's Tk_ItemType
|
||
* record.
|
||
*------------------------------------------------------------------
|
||
*/
|
||
} Tk_Item;
|
||
|
||
/*
|
||
* Flag bits for canvases (redraw_flags):
|
||
*
|
||
* TK_ITEM_STATE_DEPENDANT - 1 means that object needs to be redrawn if the
|
||
* canvas state changes.
|
||
* TK_ITEM_DONT_REDRAW - 1 means that the object redraw is already been
|
||
* prepared, so the general canvas code doesn't
|
||
* need to do that any more.
|
||
*/
|
||
|
||
#define TK_ITEM_STATE_DEPENDANT 1
|
||
#define TK_ITEM_DONT_REDRAW 2
|
||
|
||
/*
|
||
* Records of the following type are used to describe a type of item (e.g.
|
||
* lines, circles, etc.) that can form part of a canvas widget.
|
||
*/
|
||
|
||
#ifdef USE_OLD_CANVAS
|
||
typedef int (Tk_ItemCreateProc)(Tcl_Interp *interp, Tk_Canvas canvas,
|
||
Tk_Item *itemPtr, int argc, char **argv);
|
||
typedef int (Tk_ItemConfigureProc)(Tcl_Interp *interp, Tk_Canvas canvas,
|
||
Tk_Item *itemPtr, int argc, char **argv, int flags);
|
||
typedef int (Tk_ItemCoordProc)(Tcl_Interp *interp, Tk_Canvas canvas,
|
||
Tk_Item *itemPtr, int argc, char **argv);
|
||
#else
|
||
typedef int (Tk_ItemCreateProc)(Tcl_Interp *interp, Tk_Canvas canvas,
|
||
Tk_Item *itemPtr, int argc, Tcl_Obj *const objv[]);
|
||
typedef int (Tk_ItemConfigureProc)(Tcl_Interp *interp, Tk_Canvas canvas,
|
||
Tk_Item *itemPtr, int argc, Tcl_Obj *const objv[],
|
||
int flags);
|
||
typedef int (Tk_ItemCoordProc)(Tcl_Interp *interp, Tk_Canvas canvas,
|
||
Tk_Item *itemPtr, int argc, Tcl_Obj *const argv[]);
|
||
#endif /* USE_OLD_CANVAS */
|
||
typedef void (Tk_ItemDeleteProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
Display *display);
|
||
typedef void (Tk_ItemDisplayProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
Display *display, Drawable dst, int x, int y, int width,
|
||
int height);
|
||
typedef double (Tk_ItemPointProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
double *pointPtr);
|
||
typedef int (Tk_ItemAreaProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
double *rectPtr);
|
||
typedef int (Tk_ItemPostscriptProc)(Tcl_Interp *interp, Tk_Canvas canvas,
|
||
Tk_Item *itemPtr, int prepass);
|
||
typedef void (Tk_ItemScaleProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
double originX, double originY, double scaleX,
|
||
double scaleY);
|
||
typedef void (Tk_ItemTranslateProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
double deltaX, double deltaY);
|
||
#ifdef USE_OLD_CANVAS
|
||
typedef int (Tk_ItemIndexProc)(Tcl_Interp *interp, Tk_Canvas canvas,
|
||
Tk_Item *itemPtr, char *indexString, int *indexPtr);
|
||
#else
|
||
typedef int (Tk_ItemIndexProc)(Tcl_Interp *interp, Tk_Canvas canvas,
|
||
Tk_Item *itemPtr, Tcl_Obj *indexString, int *indexPtr);
|
||
#endif /* USE_OLD_CANVAS */
|
||
typedef void (Tk_ItemCursorProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
int index);
|
||
typedef int (Tk_ItemSelectionProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
int offset, char *buffer, int maxBytes);
|
||
#ifdef USE_OLD_CANVAS
|
||
typedef void (Tk_ItemInsertProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
int beforeThis, char *string);
|
||
#else
|
||
typedef void (Tk_ItemInsertProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
int beforeThis, Tcl_Obj *string);
|
||
#endif /* USE_OLD_CANVAS */
|
||
typedef void (Tk_ItemDCharsProc)(Tk_Canvas canvas, Tk_Item *itemPtr,
|
||
int first, int last);
|
||
|
||
#ifndef __NO_OLD_CONFIG
|
||
|
||
typedef struct Tk_ItemType {
|
||
CONST86 char *name; /* The name of this type of item, such as
|
||
* "line". */
|
||
int itemSize; /* Total amount of space needed for item's
|
||
* record. */
|
||
Tk_ItemCreateProc *createProc;
|
||
/* Procedure to create a new item of this
|
||
* type. */
|
||
CONST86 Tk_ConfigSpec *configSpecs; /* Pointer to array of configuration specs for
|
||
* this type. Used for returning configuration
|
||
* info. */
|
||
Tk_ItemConfigureProc *configProc;
|
||
/* Procedure to call to change configuration
|
||
* options. */
|
||
Tk_ItemCoordProc *coordProc;/* Procedure to call to get and set the item's
|
||
* coordinates. */
|
||
Tk_ItemDeleteProc *deleteProc;
|
||
/* Procedure to delete existing item of this
|
||
* type. */
|
||
Tk_ItemDisplayProc *displayProc;
|
||
/* Procedure to display items of this type. */
|
||
int alwaysRedraw; /* Non-zero means displayProc should be called
|
||
* even when the item has been moved
|
||
* off-screen. */
|
||
Tk_ItemPointProc *pointProc;/* Computes distance from item to a given
|
||
* point. */
|
||
Tk_ItemAreaProc *areaProc; /* Computes whether item is inside, outside,
|
||
* or overlapping an area. */
|
||
Tk_ItemPostscriptProc *postscriptProc;
|
||
/* Procedure to write a Postscript description
|
||
* for items of this type. */
|
||
Tk_ItemScaleProc *scaleProc;/* Procedure to rescale items of this type. */
|
||
Tk_ItemTranslateProc *translateProc;
|
||
/* Procedure to translate items of this
|
||
* type. */
|
||
Tk_ItemIndexProc *indexProc;/* Procedure to determine index of indicated
|
||
* character. NULL if item doesn't support
|
||
* indexing. */
|
||
Tk_ItemCursorProc *icursorProc;
|
||
/* Procedure to set insert cursor posn to just
|
||
* before a given position. */
|
||
Tk_ItemSelectionProc *selectionProc;
|
||
/* Procedure to return selection (in STRING
|
||
* format) when it is in this item. */
|
||
Tk_ItemInsertProc *insertProc;
|
||
/* Procedure to insert something into an
|
||
* item. */
|
||
Tk_ItemDCharsProc *dCharsProc;
|
||
/* Procedure to delete characters from an
|
||
* item. */
|
||
struct Tk_ItemType *nextPtr;/* Used to link types together into a list. */
|
||
char *reserved1; /* Reserved for future extension. */
|
||
int reserved2; /* Carefully compatible with */
|
||
char *reserved3; /* Jan Nijtmans dash patch */
|
||
char *reserved4;
|
||
} Tk_ItemType;
|
||
|
||
/*
|
||
* Flag (used in the alwaysRedraw field) to say whether an item supports
|
||
* point-level manipulation like the line and polygon items.
|
||
*/
|
||
|
||
#define TK_MOVABLE_POINTS 2
|
||
|
||
#endif /* __NO_OLD_CONFIG */
|
||
|
||
/*
|
||
* The following structure provides information about the selection and the
|
||
* insertion cursor. It is needed by only a few items, such as those that
|
||
* display text. It is shared by the generic canvas code and the item-specific
|
||
* code, but most of the fields should be written only by the canvas generic
|
||
* code.
|
||
*/
|
||
|
||
typedef struct Tk_CanvasTextInfo {
|
||
Tk_3DBorder selBorder; /* Border and background for selected
|
||
* characters. Read-only to items.*/
|
||
int selBorderWidth; /* Width of border around selection. Read-only
|
||
* to items. */
|
||
XColor *selFgColorPtr; /* Foreground color for selected text.
|
||
* Read-only to items. */
|
||
Tk_Item *selItemPtr; /* Pointer to selected item. NULL means
|
||
* selection isn't in this canvas. Writable by
|
||
* items. */
|
||
int selectFirst; /* Character index of first selected
|
||
* character. Writable by items. */
|
||
int selectLast; /* Character index of last selected character.
|
||
* Writable by items. */
|
||
Tk_Item *anchorItemPtr; /* Item corresponding to "selectAnchor": not
|
||
* necessarily selItemPtr. Read-only to
|
||
* items. */
|
||
int selectAnchor; /* Character index of fixed end of selection
|
||
* (i.e. "select to" operation will use this
|
||
* as one end of the selection). Writable by
|
||
* items. */
|
||
Tk_3DBorder insertBorder; /* Used to draw vertical bar for insertion
|
||
* cursor. Read-only to items. */
|
||
int insertWidth; /* Total width of insertion cursor. Read-only
|
||
* to items. */
|
||
int insertBorderWidth; /* Width of 3-D border around insert cursor.
|
||
* Read-only to items. */
|
||
Tk_Item *focusItemPtr; /* Item that currently has the input focus, or
|
||
* NULL if no such item. Read-only to items. */
|
||
int gotFocus; /* Non-zero means that the canvas widget has
|
||
* the input focus. Read-only to items.*/
|
||
int cursorOn; /* Non-zero means that an insertion cursor
|
||
* should be displayed in focusItemPtr.
|
||
* Read-only to items.*/
|
||
} Tk_CanvasTextInfo;
|
||
|
||
/*
|
||
* Structures used for Dashing and Outline.
|
||
*/
|
||
|
||
typedef struct Tk_Dash {
|
||
int number;
|
||
union {
|
||
char *pt;
|
||
char array[sizeof(char *)];
|
||
} pattern;
|
||
} Tk_Dash;
|
||
|
||
typedef struct Tk_TSOffset {
|
||
int flags; /* Flags; see below for possible values */
|
||
int xoffset; /* x offset */
|
||
int yoffset; /* y offset */
|
||
} Tk_TSOffset;
|
||
|
||
/*
|
||
* Bit fields in Tk_Offset->flags:
|
||
*/
|
||
|
||
#define TK_OFFSET_INDEX 1
|
||
#define TK_OFFSET_RELATIVE 2
|
||
#define TK_OFFSET_LEFT 4
|
||
#define TK_OFFSET_CENTER 8
|
||
#define TK_OFFSET_RIGHT 16
|
||
#define TK_OFFSET_TOP 32
|
||
#define TK_OFFSET_MIDDLE 64
|
||
#define TK_OFFSET_BOTTOM 128
|
||
|
||
typedef struct Tk_Outline {
|
||
GC gc; /* Graphics context. */
|
||
double width; /* Width of outline. */
|
||
double activeWidth; /* Width of outline. */
|
||
double disabledWidth; /* Width of outline. */
|
||
int offset; /* Dash offset. */
|
||
Tk_Dash dash; /* Dash pattern. */
|
||
Tk_Dash activeDash; /* Dash pattern if state is active. */
|
||
Tk_Dash disabledDash; /* Dash pattern if state is disabled. */
|
||
void *reserved1; /* Reserved for future expansion. */
|
||
void *reserved2;
|
||
void *reserved3;
|
||
Tk_TSOffset tsoffset; /* Stipple offset for outline. */
|
||
XColor *color; /* Outline color. */
|
||
XColor *activeColor; /* Outline color if state is active. */
|
||
XColor *disabledColor; /* Outline color if state is disabled. */
|
||
Pixmap stipple; /* Outline Stipple pattern. */
|
||
Pixmap activeStipple; /* Outline Stipple pattern if state is
|
||
* active. */
|
||
Pixmap disabledStipple; /* Outline Stipple pattern if state is
|
||
* disabled. */
|
||
} Tk_Outline;
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Procedure prototypes and structures used for managing images:
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
typedef struct Tk_ImageType Tk_ImageType;
|
||
#ifdef USE_OLD_IMAGE
|
||
typedef int (Tk_ImageCreateProc) (Tcl_Interp *interp, char *name, int argc,
|
||
char **argv, Tk_ImageType *typePtr, Tk_ImageMaster master,
|
||
ClientData *masterDataPtr);
|
||
#else
|
||
typedef int (Tk_ImageCreateProc) (Tcl_Interp *interp, CONST86 char *name, int objc,
|
||
Tcl_Obj *const objv[], CONST86 Tk_ImageType *typePtr, Tk_ImageMaster master,
|
||
ClientData *masterDataPtr);
|
||
#endif /* USE_OLD_IMAGE */
|
||
typedef ClientData (Tk_ImageGetProc) (Tk_Window tkwin, ClientData masterData);
|
||
typedef void (Tk_ImageDisplayProc) (ClientData instanceData, Display *display,
|
||
Drawable drawable, int imageX, int imageY, int width, int height,
|
||
int drawableX, int drawableY);
|
||
typedef void (Tk_ImageFreeProc) (ClientData instanceData, Display *display);
|
||
typedef void (Tk_ImageDeleteProc) (ClientData masterData);
|
||
typedef void (Tk_ImageChangedProc) (ClientData clientData, int x, int y,
|
||
int width, int height, int imageWidth, int imageHeight);
|
||
typedef int (Tk_ImagePostscriptProc) (ClientData clientData,
|
||
Tcl_Interp *interp, Tk_Window tkwin, Tk_PostscriptInfo psinfo,
|
||
int x, int y, int width, int height, int prepass);
|
||
|
||
/*
|
||
* The following structure represents a particular type of image (bitmap, xpm
|
||
* image, etc.). It provides information common to all images of that type,
|
||
* such as the type name and a collection of procedures in the image manager
|
||
* that respond to various events. Each image manager is represented by one of
|
||
* these structures.
|
||
*/
|
||
|
||
struct Tk_ImageType {
|
||
CONST86 char *name; /* Name of image type. */
|
||
Tk_ImageCreateProc *createProc;
|
||
/* Procedure to call to create a new image of
|
||
* this type. */
|
||
Tk_ImageGetProc *getProc; /* Procedure to call the first time
|
||
* Tk_GetImage is called in a new way (new
|
||
* visual or screen). */
|
||
Tk_ImageDisplayProc *displayProc;
|
||
/* Call to draw image, in response to
|
||
* Tk_RedrawImage calls. */
|
||
Tk_ImageFreeProc *freeProc; /* Procedure to call whenever Tk_FreeImage is
|
||
* called to release an instance of an
|
||
* image. */
|
||
Tk_ImageDeleteProc *deleteProc;
|
||
/* Procedure to call to delete image. It will
|
||
* not be called until after freeProc has been
|
||
* called for each instance of the image. */
|
||
Tk_ImagePostscriptProc *postscriptProc;
|
||
/* Procedure to call to produce postscript
|
||
* output for the image. */
|
||
struct Tk_ImageType *nextPtr;
|
||
/* Next in list of all image types currently
|
||
* known. Filled in by Tk, not by image
|
||
* manager. */
|
||
char *reserved; /* reserved for future expansion */
|
||
};
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Additional definitions used to manage images of type "photo".
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
/*
|
||
* The following type is used to identify a particular photo image to be
|
||
* manipulated:
|
||
*/
|
||
|
||
typedef void *Tk_PhotoHandle;
|
||
|
||
/*
|
||
* The following structure describes a block of pixels in memory:
|
||
*/
|
||
|
||
typedef struct Tk_PhotoImageBlock {
|
||
unsigned char *pixelPtr; /* Pointer to the first pixel. */
|
||
int width; /* Width of block, in pixels. */
|
||
int height; /* Height of block, in pixels. */
|
||
int pitch; /* Address difference between corresponding
|
||
* pixels in successive lines. */
|
||
int pixelSize; /* Address difference between successive
|
||
* pixels in the same line. */
|
||
int offset[4]; /* Address differences between the red, green,
|
||
* blue and alpha components of the pixel and
|
||
* the pixel as a whole. */
|
||
} Tk_PhotoImageBlock;
|
||
|
||
/*
|
||
* The following values control how blocks are combined into photo images when
|
||
* the alpha component of a pixel is not 255, a.k.a. the compositing rule.
|
||
*/
|
||
|
||
#define TK_PHOTO_COMPOSITE_OVERLAY 0
|
||
#define TK_PHOTO_COMPOSITE_SET 1
|
||
|
||
/*
|
||
* Procedure prototypes and structures used in reading and writing photo
|
||
* images:
|
||
*/
|
||
|
||
typedef struct Tk_PhotoImageFormat Tk_PhotoImageFormat;
|
||
#ifdef USE_OLD_IMAGE
|
||
typedef int (Tk_ImageFileMatchProc) (Tcl_Channel chan, char *fileName,
|
||
char *formatString, int *widthPtr, int *heightPtr);
|
||
typedef int (Tk_ImageStringMatchProc) (char *string, char *formatString,
|
||
int *widthPtr, int *heightPtr);
|
||
typedef int (Tk_ImageFileReadProc) (Tcl_Interp *interp, Tcl_Channel chan,
|
||
char *fileName, char *formatString, Tk_PhotoHandle imageHandle,
|
||
int destX, int destY, int width, int height, int srcX, int srcY);
|
||
typedef int (Tk_ImageStringReadProc) (Tcl_Interp *interp, char *string,
|
||
char *formatString, Tk_PhotoHandle imageHandle, int destX, int destY,
|
||
int width, int height, int srcX, int srcY);
|
||
typedef int (Tk_ImageFileWriteProc) (Tcl_Interp *interp, char *fileName,
|
||
char *formatString, Tk_PhotoImageBlock *blockPtr);
|
||
typedef int (Tk_ImageStringWriteProc) (Tcl_Interp *interp,
|
||
Tcl_DString *dataPtr, char *formatString, Tk_PhotoImageBlock *blockPtr);
|
||
#else
|
||
typedef int (Tk_ImageFileMatchProc) (Tcl_Channel chan, const char *fileName,
|
||
Tcl_Obj *format, int *widthPtr, int *heightPtr, Tcl_Interp *interp);
|
||
typedef int (Tk_ImageStringMatchProc) (Tcl_Obj *dataObj, Tcl_Obj *format,
|
||
int *widthPtr, int *heightPtr, Tcl_Interp *interp);
|
||
typedef int (Tk_ImageFileReadProc) (Tcl_Interp *interp, Tcl_Channel chan,
|
||
const char *fileName, Tcl_Obj *format, Tk_PhotoHandle imageHandle,
|
||
int destX, int destY, int width, int height, int srcX, int srcY);
|
||
typedef int (Tk_ImageStringReadProc) (Tcl_Interp *interp, Tcl_Obj *dataObj,
|
||
Tcl_Obj *format, Tk_PhotoHandle imageHandle, int destX, int destY,
|
||
int width, int height, int srcX, int srcY);
|
||
typedef int (Tk_ImageFileWriteProc) (Tcl_Interp *interp, const char *fileName,
|
||
Tcl_Obj *format, Tk_PhotoImageBlock *blockPtr);
|
||
typedef int (Tk_ImageStringWriteProc) (Tcl_Interp *interp, Tcl_Obj *format,
|
||
Tk_PhotoImageBlock *blockPtr);
|
||
#endif /* USE_OLD_IMAGE */
|
||
|
||
/*
|
||
* The following structure represents a particular file format for storing
|
||
* images (e.g., PPM, GIF, JPEG, etc.). It provides information to allow image
|
||
* files of that format to be recognized and read into a photo image.
|
||
*/
|
||
|
||
struct Tk_PhotoImageFormat {
|
||
CONST86 char *name; /* Name of image file format */
|
||
Tk_ImageFileMatchProc *fileMatchProc;
|
||
/* Procedure to call to determine whether an
|
||
* image file matches this format. */
|
||
Tk_ImageStringMatchProc *stringMatchProc;
|
||
/* Procedure to call to determine whether the
|
||
* data in a string matches this format. */
|
||
Tk_ImageFileReadProc *fileReadProc;
|
||
/* Procedure to call to read data from an
|
||
* image file into a photo image. */
|
||
Tk_ImageStringReadProc *stringReadProc;
|
||
/* Procedure to call to read data from a
|
||
* string into a photo image. */
|
||
Tk_ImageFileWriteProc *fileWriteProc;
|
||
/* Procedure to call to write data from a
|
||
* photo image to a file. */
|
||
Tk_ImageStringWriteProc *stringWriteProc;
|
||
/* Procedure to call to obtain a string
|
||
* representation of the data in a photo
|
||
* image.*/
|
||
struct Tk_PhotoImageFormat *nextPtr;
|
||
/* Next in list of all photo image formats
|
||
* currently known. Filled in by Tk, not by
|
||
* image format handler. */
|
||
};
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Procedure prototypes and structures used for managing styles:
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
/*
|
||
* Style support version tag.
|
||
*/
|
||
|
||
#define TK_STYLE_VERSION_1 0x1
|
||
#define TK_STYLE_VERSION TK_STYLE_VERSION_1
|
||
|
||
/*
|
||
* The following structures and prototypes are used as static templates to
|
||
* declare widget elements.
|
||
*/
|
||
|
||
typedef void (Tk_GetElementSizeProc) (ClientData clientData, char *recordPtr,
|
||
const Tk_OptionSpec **optionsPtr, Tk_Window tkwin, int width,
|
||
int height, int inner, int *widthPtr, int *heightPtr);
|
||
typedef void (Tk_GetElementBoxProc) (ClientData clientData, char *recordPtr,
|
||
const Tk_OptionSpec **optionsPtr, Tk_Window tkwin, int x, int y,
|
||
int width, int height, int inner, int *xPtr, int *yPtr, int *widthPtr,
|
||
int *heightPtr);
|
||
typedef int (Tk_GetElementBorderWidthProc) (ClientData clientData,
|
||
char *recordPtr, const Tk_OptionSpec **optionsPtr, Tk_Window tkwin);
|
||
typedef void (Tk_DrawElementProc) (ClientData clientData, char *recordPtr,
|
||
const Tk_OptionSpec **optionsPtr, Tk_Window tkwin, Drawable d, int x,
|
||
int y, int width, int height, int state);
|
||
|
||
typedef struct Tk_ElementOptionSpec {
|
||
char *name; /* Name of the required option. */
|
||
Tk_OptionType type; /* Accepted option type. TK_OPTION_END means
|
||
* any. */
|
||
} Tk_ElementOptionSpec;
|
||
|
||
typedef struct Tk_ElementSpec {
|
||
int version; /* Version of the style support. */
|
||
char *name; /* Name of element. */
|
||
Tk_ElementOptionSpec *options;
|
||
/* List of required options. Last one's name
|
||
* must be NULL. */
|
||
Tk_GetElementSizeProc *getSize;
|
||
/* Compute the external (resp. internal) size
|
||
* of the element from its desired internal
|
||
* (resp. external) size. */
|
||
Tk_GetElementBoxProc *getBox;
|
||
/* Compute the inscribed or bounding boxes
|
||
* within a given area. */
|
||
Tk_GetElementBorderWidthProc *getBorderWidth;
|
||
/* Return the element's internal border width.
|
||
* Mostly useful for widgets. */
|
||
Tk_DrawElementProc *draw; /* Draw the element in the given bounding
|
||
* box. */
|
||
} Tk_ElementSpec;
|
||
|
||
/*
|
||
* Element state flags. Can be OR'ed.
|
||
*/
|
||
|
||
#define TK_ELEMENT_STATE_ACTIVE 1<<0
|
||
#define TK_ELEMENT_STATE_DISABLED 1<<1
|
||
#define TK_ELEMENT_STATE_FOCUS 1<<2
|
||
#define TK_ELEMENT_STATE_PRESSED 1<<3
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* The definitions below provide backward compatibility for functions and
|
||
* types related to event handling that used to be in Tk but have moved to
|
||
* Tcl.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
#define TK_READABLE TCL_READABLE
|
||
#define TK_WRITABLE TCL_WRITABLE
|
||
#define TK_EXCEPTION TCL_EXCEPTION
|
||
|
||
#define TK_DONT_WAIT TCL_DONT_WAIT
|
||
#define TK_X_EVENTS TCL_WINDOW_EVENTS
|
||
#define TK_WINDOW_EVENTS TCL_WINDOW_EVENTS
|
||
#define TK_FILE_EVENTS TCL_FILE_EVENTS
|
||
#define TK_TIMER_EVENTS TCL_TIMER_EVENTS
|
||
#define TK_IDLE_EVENTS TCL_IDLE_EVENTS
|
||
#define TK_ALL_EVENTS TCL_ALL_EVENTS
|
||
|
||
#define Tk_IdleProc Tcl_IdleProc
|
||
#define Tk_FileProc Tcl_FileProc
|
||
#define Tk_TimerProc Tcl_TimerProc
|
||
#define Tk_TimerToken Tcl_TimerToken
|
||
|
||
#define Tk_BackgroundError Tcl_BackgroundError
|
||
#define Tk_CancelIdleCall Tcl_CancelIdleCall
|
||
#define Tk_CreateFileHandler Tcl_CreateFileHandler
|
||
#define Tk_CreateTimerHandler Tcl_CreateTimerHandler
|
||
#define Tk_DeleteFileHandler Tcl_DeleteFileHandler
|
||
#define Tk_DeleteTimerHandler Tcl_DeleteTimerHandler
|
||
#define Tk_DoOneEvent Tcl_DoOneEvent
|
||
#define Tk_DoWhenIdle Tcl_DoWhenIdle
|
||
#define Tk_Sleep Tcl_Sleep
|
||
|
||
/* Additional stuff that has moved to Tcl: */
|
||
|
||
#define Tk_EventuallyFree Tcl_EventuallyFree
|
||
#define Tk_FreeProc Tcl_FreeProc
|
||
#define Tk_Preserve Tcl_Preserve
|
||
#define Tk_Release Tcl_Release
|
||
|
||
/* Removed Tk_Main, use macro instead */
|
||
#if defined(_WIN32) || defined(__CYGWIN__)
|
||
#define Tk_Main(argc, argv, proc) Tk_MainEx(argc, argv, proc, \
|
||
(Tcl_FindExecutable(0), (Tcl_CreateInterp)()))
|
||
#else
|
||
#define Tk_Main(argc, argv, proc) Tk_MainEx(argc, argv, proc, \
|
||
(Tcl_FindExecutable(argv[0]), (Tcl_CreateInterp)()))
|
||
#endif
|
||
const char * Tk_InitStubs(Tcl_Interp *interp, const char *version,
|
||
int exact);
|
||
EXTERN const char * Tk_PkgInitStubsCheck(Tcl_Interp *interp,
|
||
const char *version, int exact);
|
||
|
||
#ifndef USE_TK_STUBS
|
||
#define Tk_InitStubs(interp, version, exact) \
|
||
Tk_PkgInitStubsCheck(interp, version, exact)
|
||
#endif /* USE_TK_STUBS */
|
||
|
||
#define Tk_InitImageArgs(interp, argc, argv) /**/
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Additional procedure types defined by Tk.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
typedef int (Tk_ErrorProc) (ClientData clientData, XErrorEvent *errEventPtr);
|
||
typedef void (Tk_EventProc) (ClientData clientData, XEvent *eventPtr);
|
||
typedef int (Tk_GenericProc) (ClientData clientData, XEvent *eventPtr);
|
||
typedef int (Tk_ClientMessageProc) (Tk_Window tkwin, XEvent *eventPtr);
|
||
typedef int (Tk_GetSelProc) (ClientData clientData, Tcl_Interp *interp,
|
||
CONST86 char *portion);
|
||
typedef void (Tk_LostSelProc) (ClientData clientData);
|
||
typedef Tk_RestrictAction (Tk_RestrictProc) (ClientData clientData,
|
||
XEvent *eventPtr);
|
||
typedef int (Tk_SelectionProc) (ClientData clientData, int offset,
|
||
char *buffer, int maxBytes);
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Platform independent exported procedures and variables.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
#include "tkDecls.h"
|
||
|
||
#ifdef USE_OLD_IMAGE
|
||
#undef Tk_CreateImageType
|
||
#define Tk_CreateImageType Tk_CreateOldImageType
|
||
#undef Tk_CreatePhotoImageFormat
|
||
#define Tk_CreatePhotoImageFormat Tk_CreateOldPhotoImageFormat
|
||
#endif /* USE_OLD_IMAGE */
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Allow users to say that they don't want to alter their source to add extra
|
||
* arguments to Tk_PhotoPutBlock() et al; DO NOT DEFINE THIS WHEN BUILDING TK.
|
||
*
|
||
* This goes after the inclusion of the stubbed-decls so that the declarations
|
||
* of what is actually there can be correct.
|
||
*/
|
||
|
||
#ifdef USE_COMPOSITELESS_PHOTO_PUT_BLOCK
|
||
# ifdef Tk_PhotoPutBlock
|
||
# undef Tk_PhotoPutBlock
|
||
# endif
|
||
# define Tk_PhotoPutBlock Tk_PhotoPutBlock_NoComposite
|
||
# ifdef Tk_PhotoPutZoomedBlock
|
||
# undef Tk_PhotoPutZoomedBlock
|
||
# endif
|
||
# define Tk_PhotoPutZoomedBlock Tk_PhotoPutZoomedBlock_NoComposite
|
||
# define USE_PANIC_ON_PHOTO_ALLOC_FAILURE
|
||
#else /* !USE_COMPOSITELESS_PHOTO_PUT_BLOCK */
|
||
# ifdef USE_PANIC_ON_PHOTO_ALLOC_FAILURE
|
||
# ifdef Tk_PhotoPutBlock
|
||
# undef Tk_PhotoPutBlock
|
||
# endif
|
||
# define Tk_PhotoPutBlock Tk_PhotoPutBlock_Panic
|
||
# ifdef Tk_PhotoPutZoomedBlock
|
||
# undef Tk_PhotoPutZoomedBlock
|
||
# endif
|
||
# define Tk_PhotoPutZoomedBlock Tk_PhotoPutZoomedBlock_Panic
|
||
# endif /* USE_PANIC_ON_PHOTO_ALLOC_FAILURE */
|
||
#endif /* USE_COMPOSITELESS_PHOTO_PUT_BLOCK */
|
||
#ifdef USE_PANIC_ON_PHOTO_ALLOC_FAILURE
|
||
# ifdef Tk_PhotoExpand
|
||
# undef Tk_PhotoExpand
|
||
# endif
|
||
# define Tk_PhotoExpand Tk_PhotoExpand_Panic
|
||
# ifdef Tk_PhotoSetSize
|
||
# undef Tk_PhotoSetSize
|
||
# endif
|
||
# define Tk_PhotoSetSize Tk_PhotoSetSize_Panic
|
||
#endif /* USE_PANIC_ON_PHOTO_ALLOC_FAILURE */
|
||
|
||
#undef TCL_STORAGE_CLASS
|
||
#define TCL_STORAGE_CLASS DLLIMPORT
|
||
|
||
#endif /* RC_INVOKED */
|
||
|
||
/*
|
||
* end block for C++
|
||
*/
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif /* _TK */
|
||
|
||
/*
|
||
* Local Variables:
|
||
* mode: c
|
||
* c-basic-offset: 4
|
||
* fill-column: 78
|
||
* End:
|
||
*/
|