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tkButton.c
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tkButton.c
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/*
* tkButton.c --
*
* This module implements a collection of button-like widgets for the Tk
* toolkit. The widgets implemented include buttons, checkbuttons,
* radiobuttons, and labels.
*
* Copyright © 1990-1994 The Regents of the University of California.
* Copyright © 1994-1998 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include "tkInt.h"
#include "tkButton.h"
#include "default.h"
typedef struct {
int defaultsInitialized;
} ThreadSpecificData;
static Tcl_ThreadDataKey dataKey;
/*
* Class names for buttons, indexed by one of the type values defined in
* tkButton.h.
*/
static const char *const classNames[] = {"Label", "Button", "Checkbutton", "Radiobutton"};
/*
* The following table defines the legal values for the -default/-state options.
* It is used together with the "enum defaultValue/state" declarations in tkButton.h.
*/
const char *const tkStateStrings[] = {
"active", "disabled", "normal", NULL
};
/*
* The following table defines the legal values for the -compound option.
* It is used with the "enum compound" declaration in tkButton.h
*/
const char *const tkCompoundStrings[] = {
"bottom", "center", "left", "none", "right", "top", NULL
};
char tkDefButtonHighlightWidth[TCL_INTEGER_SPACE] = DEF_BUTTON_HIGHLIGHT_WIDTH;
char tkDefButtonPadx[TCL_INTEGER_SPACE] = DEF_BUTTON_PADX;
char tkDefButtonPady[TCL_INTEGER_SPACE] = DEF_BUTTON_PADY;
char tkDefButtonBorderWidth[TCL_INTEGER_SPACE] = DEF_BUTTON_BORDER_WIDTH;
char tkDefLabelHighlightWidth[TCL_INTEGER_SPACE] = DEF_LABEL_HIGHLIGHT_WIDTH;
char tkDefLabelPadx[TCL_INTEGER_SPACE] = DEF_LABCHKRAD_PADX;
char tkDefLabelPady[TCL_INTEGER_SPACE] = DEF_LABCHKRAD_PADY;
/*
* Information used for parsing configuration options. There is a
* separate table for each of the four widget classes.
*/
static const Tk_OptionSpec labelOptionSpecs[] = {
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
DEF_BUTTON_ACTIVE_BG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, activeBorder),
0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
DEF_BUTTON_ACTIVE_FG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, activeFg),
TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
DEF_BUTTON_ANCHOR, TCL_INDEX_NONE, offsetof(TkButton, anchor), TK_OPTION_ENUM_VAR, 0, 0},
{TK_OPTION_BORDER, "-background", "background", "Background",
DEF_BUTTON_BG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, normalBorder),
0, DEF_BUTTON_BG_MONO, 0},
{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-borderwidth", 0},
{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-background", 0},
{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
DEF_BUTTON_BITMAP, TCL_INDEX_NONE, offsetof(TkButton, bitmap),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
tkDefButtonBorderWidth, offsetof(TkButton, borderWidthPtr),
offsetof(TkButton, borderWidth), 0, 0, 0},
{TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
DEF_BUTTON_COMPOUND, TCL_INDEX_NONE, offsetof(TkButton, compound),
0, tkCompoundStrings, 0},
{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
DEF_BUTTON_CURSOR, TCL_INDEX_NONE, offsetof(TkButton, cursor),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
TCL_INDEX_NONE, offsetof(TkButton, disabledFg), TK_OPTION_NULL_OK,
DEF_BUTTON_DISABLED_FG_MONO, 0},
{TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-foreground", 0},
{TK_OPTION_FONT, "-font", "font", "Font",
DEF_BUTTON_FONT, TCL_INDEX_NONE, offsetof(TkButton, tkfont), 0, 0, 0},
{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
DEF_LABEL_FG, TCL_INDEX_NONE, offsetof(TkButton, normalFg), 0, 0, 0},
{TK_OPTION_STRING, "-height", "height", "Height",
DEF_BUTTON_HEIGHT, offsetof(TkButton, heightPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
TCL_INDEX_NONE, offsetof(TkButton, highlightBorder), 0,
DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
DEF_BUTTON_HIGHLIGHT, TCL_INDEX_NONE, offsetof(TkButton, highlightColorPtr),
0, 0, 0},
{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
"HighlightThickness", tkDefLabelHighlightWidth,
offsetof(TkButton, highlightWidthPtr),
offsetof(TkButton, highlightWidth), 0, 0, 0},
{TK_OPTION_STRING, "-image", "image", "Image",
DEF_BUTTON_IMAGE, offsetof(TkButton, imagePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
DEF_BUTTON_JUSTIFY, TCL_INDEX_NONE, offsetof(TkButton, justify), TK_OPTION_ENUM_VAR, 0, 0},
{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
tkDefLabelPadx, offsetof(TkButton, padXPtr),
offsetof(TkButton, padX), 0, 0, 0},
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
tkDefLabelPady, offsetof(TkButton, padYPtr),
offsetof(TkButton, padY), 0, 0, 0},
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
DEF_LABCHKRAD_RELIEF, TCL_INDEX_NONE, offsetof(TkButton, relief), 0, 0, 0},
{TK_OPTION_STRING_TABLE, "-state", "state", "State",
DEF_BUTTON_STATE, TCL_INDEX_NONE, offsetof(TkButton, state),
TK_OPTION_ENUM_VAR, tkStateStrings, 0},
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
DEF_LABEL_TAKE_FOCUS, offsetof(TkButton, takeFocusPtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-text", "text", "Text",
DEF_BUTTON_TEXT, offsetof(TkButton, textPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
DEF_BUTTON_TEXT_VARIABLE, offsetof(TkButton, textVarNamePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_INDEX, "-underline", "underline", "Underline",
TK_OPTION_UNDERLINE_DEF(TkButton, underline), 0},
{TK_OPTION_STRING, "-width", "width", "Width",
DEF_BUTTON_WIDTH, offsetof(TkButton, widthPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
DEF_BUTTON_WRAP_LENGTH, offsetof(TkButton, wrapLengthPtr),
offsetof(TkButton, wrapLength), 0, 0, 0},
{TK_OPTION_END, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0}
};
static const Tk_OptionSpec buttonOptionSpecs[] = {
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
DEF_BUTTON_ACTIVE_BG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, activeBorder),
0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
DEF_BUTTON_ACTIVE_FG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, activeFg),
TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
DEF_BUTTON_ANCHOR, TCL_INDEX_NONE, offsetof(TkButton, anchor), TK_OPTION_ENUM_VAR, 0, 0},
{TK_OPTION_BORDER, "-background", "background", "Background",
DEF_BUTTON_BG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, normalBorder),
0, DEF_BUTTON_BG_MONO, 0},
{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-borderwidth", 0},
{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-background", 0},
{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
DEF_BUTTON_BITMAP, TCL_INDEX_NONE, offsetof(TkButton, bitmap),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
tkDefButtonBorderWidth, offsetof(TkButton, borderWidthPtr),
offsetof(TkButton, borderWidth), 0, 0, 0},
{TK_OPTION_STRING, "-command", "command", "Command",
DEF_BUTTON_COMMAND, offsetof(TkButton, commandPtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
DEF_BUTTON_COMPOUND, TCL_INDEX_NONE, offsetof(TkButton, compound),
0, tkCompoundStrings, 0},
{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
DEF_BUTTON_CURSOR, TCL_INDEX_NONE, offsetof(TkButton, cursor),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING_TABLE, "-default", "default", "Default",
DEF_BUTTON_DEFAULT, TCL_INDEX_NONE, offsetof(TkButton, defaultState),
TK_OPTION_ENUM_VAR, tkStateStrings, 0},
{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
TCL_INDEX_NONE, offsetof(TkButton, disabledFg), TK_OPTION_NULL_OK,
DEF_BUTTON_DISABLED_FG_MONO, 0},
{TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-foreground", 0},
{TK_OPTION_FONT, "-font", "font", "Font",
DEF_BUTTON_FONT, TCL_INDEX_NONE, offsetof(TkButton, tkfont), 0, 0, 0},
{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
DEF_BUTTON_FG, TCL_INDEX_NONE, offsetof(TkButton, normalFg), 0, 0, 0},
{TK_OPTION_STRING, "-height", "height", "Height",
DEF_BUTTON_HEIGHT, offsetof(TkButton, heightPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
TCL_INDEX_NONE, offsetof(TkButton, highlightBorder), 0,
DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
DEF_BUTTON_HIGHLIGHT, TCL_INDEX_NONE, offsetof(TkButton, highlightColorPtr),
0, 0, 0},
{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
"HighlightThickness", tkDefButtonHighlightWidth,
offsetof(TkButton, highlightWidthPtr),
offsetof(TkButton, highlightWidth), 0, 0, 0},
{TK_OPTION_STRING, "-image", "image", "Image",
DEF_BUTTON_IMAGE, offsetof(TkButton, imagePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
DEF_BUTTON_JUSTIFY, TCL_INDEX_NONE, offsetof(TkButton, justify), TK_OPTION_ENUM_VAR, 0, 0},
{TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief",
DEF_BUTTON_OVER_RELIEF, TCL_INDEX_NONE, offsetof(TkButton, overRelief),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
tkDefButtonPadx, offsetof(TkButton, padXPtr),
offsetof(TkButton, padX), 0, 0, 0},
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
tkDefButtonPady, offsetof(TkButton, padYPtr),
offsetof(TkButton, padY), 0, 0, 0},
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
DEF_BUTTON_RELIEF, TCL_INDEX_NONE, offsetof(TkButton, relief),
0, 0, 0},
{TK_OPTION_INT, "-repeatdelay", "repeatDelay", "RepeatDelay",
DEF_BUTTON_REPEAT_DELAY, TCL_INDEX_NONE, offsetof(TkButton, repeatDelay),
0, 0, 0},
{TK_OPTION_INT, "-repeatinterval", "repeatInterval", "RepeatInterval",
DEF_BUTTON_REPEAT_INTERVAL, TCL_INDEX_NONE, offsetof(TkButton, repeatInterval),
0, 0, 0},
{TK_OPTION_STRING_TABLE, "-state", "state", "State",
DEF_BUTTON_STATE, TCL_INDEX_NONE, offsetof(TkButton, state),
TK_OPTION_ENUM_VAR, tkStateStrings, 0},
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
DEF_BUTTON_TAKE_FOCUS, offsetof(TkButton, takeFocusPtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-text", "text", "Text",
DEF_BUTTON_TEXT, offsetof(TkButton, textPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
DEF_BUTTON_TEXT_VARIABLE, offsetof(TkButton, textVarNamePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_INDEX, "-underline", "underline", "Underline",
TK_OPTION_UNDERLINE_DEF(TkButton, underline), 0},
{TK_OPTION_STRING, "-width", "width", "Width",
DEF_BUTTON_WIDTH, offsetof(TkButton, widthPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
DEF_BUTTON_WRAP_LENGTH, offsetof(TkButton, wrapLengthPtr),
offsetof(TkButton, wrapLength), 0, 0, 0},
{TK_OPTION_END, NULL, NULL, NULL, NULL, 0, TCL_INDEX_NONE, 0, 0, 0}
};
static const Tk_OptionSpec checkbuttonOptionSpecs[] = {
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
DEF_BUTTON_ACTIVE_BG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, activeBorder),
0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
DEF_CHKRAD_ACTIVE_FG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, activeFg),
TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
DEF_BUTTON_ANCHOR, TCL_INDEX_NONE, offsetof(TkButton, anchor), TK_OPTION_ENUM_VAR, 0, 0},
{TK_OPTION_BORDER, "-background", "background", "Background",
DEF_BUTTON_BG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, normalBorder),
0, DEF_BUTTON_BG_MONO, 0},
{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-borderwidth", 0},
{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-background", 0},
{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
DEF_BUTTON_BITMAP, TCL_INDEX_NONE, offsetof(TkButton, bitmap),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
tkDefButtonBorderWidth, offsetof(TkButton, borderWidthPtr),
offsetof(TkButton, borderWidth), 0, 0, 0},
{TK_OPTION_STRING, "-command", "command", "Command",
DEF_BUTTON_COMMAND, offsetof(TkButton, commandPtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
DEF_BUTTON_COMPOUND, TCL_INDEX_NONE, offsetof(TkButton, compound),
0, tkCompoundStrings, 0},
{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
DEF_BUTTON_CURSOR, TCL_INDEX_NONE, offsetof(TkButton, cursor),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
TCL_INDEX_NONE, offsetof(TkButton, disabledFg), TK_OPTION_NULL_OK,
DEF_BUTTON_DISABLED_FG_MONO, 0},
{TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-foreground", 0},
{TK_OPTION_FONT, "-font", "font", "Font",
DEF_BUTTON_FONT, TCL_INDEX_NONE, offsetof(TkButton, tkfont), 0, 0, 0},
{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
DEF_CHKRAD_FG, TCL_INDEX_NONE, offsetof(TkButton, normalFg), 0, 0, 0},
{TK_OPTION_STRING, "-height", "height", "Height",
DEF_BUTTON_HEIGHT, offsetof(TkButton, heightPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
TCL_INDEX_NONE, offsetof(TkButton, highlightBorder), 0,
DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
DEF_BUTTON_HIGHLIGHT, TCL_INDEX_NONE, offsetof(TkButton, highlightColorPtr),
0, 0, 0},
{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
"HighlightThickness", tkDefButtonHighlightWidth,
offsetof(TkButton, highlightWidthPtr),
offsetof(TkButton, highlightWidth), 0, 0, 0},
{TK_OPTION_STRING, "-image", "image", "Image",
DEF_BUTTON_IMAGE, offsetof(TkButton, imagePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn",
DEF_BUTTON_INDICATOR, TCL_INDEX_NONE, offsetof(TkButton, indicatorOn), 0, 0, 0},
{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
DEF_BUTTON_JUSTIFY, TCL_INDEX_NONE, offsetof(TkButton, justify), TK_OPTION_ENUM_VAR, 0, 0},
{TK_OPTION_RELIEF, "-offrelief", "offRelief", "OffRelief",
DEF_BUTTON_RELIEF, TCL_INDEX_NONE, offsetof(TkButton, offRelief), 0, 0, 0},
{TK_OPTION_STRING, "-offvalue", "offValue", "Value",
DEF_BUTTON_OFF_VALUE, offsetof(TkButton, offValuePtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_STRING, "-onvalue", "onValue", "Value",
DEF_BUTTON_ON_VALUE, offsetof(TkButton, onValuePtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief",
DEF_BUTTON_OVER_RELIEF, TCL_INDEX_NONE, offsetof(TkButton, overRelief),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
tkDefLabelPadx, offsetof(TkButton, padXPtr),
offsetof(TkButton, padX), 0, 0, 0},
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
tkDefLabelPady, offsetof(TkButton, padYPtr),
offsetof(TkButton, padY), 0, 0, 0},
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
DEF_LABCHKRAD_RELIEF, TCL_INDEX_NONE, offsetof(TkButton, relief), 0, 0, 0},
{TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background",
DEF_BUTTON_SELECT_COLOR, TCL_INDEX_NONE, offsetof(TkButton, selectBorder),
TK_OPTION_NULL_OK, DEF_BUTTON_SELECT_MONO, 0},
{TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage",
DEF_BUTTON_SELECT_IMAGE, offsetof(TkButton, selectImagePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING_TABLE, "-state", "state", "State",
DEF_BUTTON_STATE, TCL_INDEX_NONE, offsetof(TkButton, state),
TK_OPTION_ENUM_VAR, tkStateStrings, 0},
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
DEF_BUTTON_TAKE_FOCUS, offsetof(TkButton, takeFocusPtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-text", "text", "Text",
DEF_BUTTON_TEXT, offsetof(TkButton, textPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
DEF_BUTTON_TEXT_VARIABLE, offsetof(TkButton, textVarNamePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-tristateimage", "tristateImage", "TristateImage",
DEF_BUTTON_IMAGE, offsetof(TkButton, tristateImagePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-tristatevalue", "tristateValue", "TristateValue",
DEF_BUTTON_TRISTATE_VALUE, offsetof(TkButton, tristateValuePtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_INDEX, "-underline", "underline", "Underline",
TK_OPTION_UNDERLINE_DEF(TkButton, underline), 0},
{TK_OPTION_STRING, "-variable", "variable", "Variable",
DEF_CHECKBUTTON_VARIABLE, offsetof(TkButton, selVarNamePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-width", "width", "Width",
DEF_BUTTON_WIDTH, offsetof(TkButton, widthPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
DEF_BUTTON_WRAP_LENGTH, offsetof(TkButton, wrapLengthPtr),
offsetof(TkButton, wrapLength), 0, 0, 0},
{TK_OPTION_END, NULL, NULL, NULL, NULL, 0, TCL_INDEX_NONE, 0, 0, 0}
};
static const Tk_OptionSpec radiobuttonOptionSpecs[] = {
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
DEF_BUTTON_ACTIVE_BG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, activeBorder),
0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
DEF_CHKRAD_ACTIVE_FG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, activeFg),
TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
DEF_BUTTON_ANCHOR, TCL_INDEX_NONE, offsetof(TkButton, anchor), TK_OPTION_ENUM_VAR, 0, 0},
{TK_OPTION_BORDER, "-background", "background", "Background",
DEF_BUTTON_BG_COLOR, TCL_INDEX_NONE, offsetof(TkButton, normalBorder),
0, DEF_BUTTON_BG_MONO, 0},
{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-borderwidth", 0},
{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-background", 0},
{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
DEF_BUTTON_BITMAP, TCL_INDEX_NONE, offsetof(TkButton, bitmap),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
tkDefButtonBorderWidth, offsetof(TkButton, borderWidthPtr),
offsetof(TkButton, borderWidth), 0, 0, 0},
{TK_OPTION_STRING, "-command", "command", "Command",
DEF_BUTTON_COMMAND, offsetof(TkButton, commandPtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
DEF_BUTTON_COMPOUND, TCL_INDEX_NONE, offsetof(TkButton, compound),
0, tkCompoundStrings, 0},
{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
DEF_BUTTON_CURSOR, TCL_INDEX_NONE, offsetof(TkButton, cursor),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
TCL_INDEX_NONE, offsetof(TkButton, disabledFg), TK_OPTION_NULL_OK,
DEF_BUTTON_DISABLED_FG_MONO, 0},
{TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
NULL, 0, TCL_INDEX_NONE, 0, "-foreground", 0},
{TK_OPTION_FONT, "-font", "font", "Font",
DEF_BUTTON_FONT, TCL_INDEX_NONE, offsetof(TkButton, tkfont), 0, 0, 0},
{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
DEF_CHKRAD_FG, TCL_INDEX_NONE, offsetof(TkButton, normalFg), 0, 0, 0},
{TK_OPTION_STRING, "-height", "height", "Height",
DEF_BUTTON_HEIGHT, offsetof(TkButton, heightPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
TCL_INDEX_NONE, offsetof(TkButton, highlightBorder), 0,
DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
DEF_BUTTON_HIGHLIGHT, TCL_INDEX_NONE, offsetof(TkButton, highlightColorPtr),
0, 0, 0},
{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
"HighlightThickness", tkDefButtonHighlightWidth,
offsetof(TkButton, highlightWidthPtr),
offsetof(TkButton, highlightWidth), 0, 0, 0},
{TK_OPTION_STRING, "-image", "image", "Image",
DEF_BUTTON_IMAGE, offsetof(TkButton, imagePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn",
DEF_BUTTON_INDICATOR, TCL_INDEX_NONE, offsetof(TkButton, indicatorOn),
0, 0, 0},
{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
DEF_BUTTON_JUSTIFY, TCL_INDEX_NONE, offsetof(TkButton, justify), TK_OPTION_ENUM_VAR, 0, 0},
{TK_OPTION_RELIEF, "-offrelief", "offRelief", "OffRelief",
DEF_BUTTON_RELIEF, TCL_INDEX_NONE, offsetof(TkButton, offRelief), 0, 0, 0},
{TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief",
DEF_BUTTON_OVER_RELIEF, TCL_INDEX_NONE, offsetof(TkButton, overRelief),
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
tkDefLabelPadx, offsetof(TkButton, padXPtr),
offsetof(TkButton, padX), 0, 0, 0},
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
tkDefLabelPady, offsetof(TkButton, padYPtr),
offsetof(TkButton, padY), 0, 0, 0},
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
DEF_LABCHKRAD_RELIEF, TCL_INDEX_NONE, offsetof(TkButton, relief), 0, 0, 0},
{TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background",
DEF_BUTTON_SELECT_COLOR, TCL_INDEX_NONE, offsetof(TkButton, selectBorder),
TK_OPTION_NULL_OK, DEF_BUTTON_SELECT_MONO, 0},
{TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage",
DEF_BUTTON_SELECT_IMAGE, offsetof(TkButton, selectImagePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING_TABLE, "-state", "state", "State",
DEF_BUTTON_STATE, TCL_INDEX_NONE, offsetof(TkButton, state),
TK_OPTION_ENUM_VAR, tkStateStrings, 0},
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
DEF_BUTTON_TAKE_FOCUS, offsetof(TkButton, takeFocusPtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-text", "text", "Text",
DEF_BUTTON_TEXT, offsetof(TkButton, textPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
DEF_BUTTON_TEXT_VARIABLE, offsetof(TkButton, textVarNamePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-tristateimage", "tristateImage", "TristateImage",
DEF_BUTTON_IMAGE, offsetof(TkButton, tristateImagePtr), TCL_INDEX_NONE,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-tristatevalue", "tristateValue", "TristateValue",
DEF_BUTTON_TRISTATE_VALUE, offsetof(TkButton, tristateValuePtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_INDEX, "-underline", "underline", "Underline",
TK_OPTION_UNDERLINE_DEF(TkButton, underline), 0},
{TK_OPTION_STRING, "-value", "value", "Value",
DEF_BUTTON_VALUE, offsetof(TkButton, onValuePtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_STRING, "-variable", "variable", "Variable",
DEF_RADIOBUTTON_VARIABLE, offsetof(TkButton, selVarNamePtr), TCL_INDEX_NONE,
0, 0, 0},
{TK_OPTION_STRING, "-width", "width", "Width",
DEF_BUTTON_WIDTH, offsetof(TkButton, widthPtr), TCL_INDEX_NONE, 0, 0, 0},
{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
DEF_BUTTON_WRAP_LENGTH, offsetof(TkButton, wrapLengthPtr),
offsetof(TkButton, wrapLength), 0, 0, 0},
{TK_OPTION_END, NULL, NULL, NULL, NULL, 0, TCL_INDEX_NONE, 0, 0, 0}
};
/*
* The following table maps from one of the type values defined in tkButton.h,
* such as TYPE_LABEL, to the option template for that class of widgets.
*/
static const Tk_OptionSpec *const optionSpecs[] = {
labelOptionSpecs,
buttonOptionSpecs,
checkbuttonOptionSpecs,
radiobuttonOptionSpecs
};
/*
* The following tables define the widget commands supported by each of the
* classes, and map the indexes into the string tables into a single
* enumerated type used to dispatch the widget command.
*/
static const char *const commandNames[][8] = {
{"cget", "configure", NULL},
{"cget", "configure", "flash", "invoke", NULL},
{"cget", "configure", "deselect", "flash", "invoke", "select",
"toggle", NULL},
{"cget", "configure", "deselect", "flash", "invoke", "select", NULL}
};
enum command {
COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH,
COMMAND_INVOKE, COMMAND_SELECT, COMMAND_TOGGLE
};
static const enum command map[][8] = {
{COMMAND_CGET, COMMAND_CONFIGURE},
{COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_FLASH, COMMAND_INVOKE},
{COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH,
COMMAND_INVOKE, COMMAND_SELECT, COMMAND_TOGGLE},
{COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH,
COMMAND_INVOKE, COMMAND_SELECT}
};
/*
* Forward declarations for functions defined later in this file:
*/
static void ButtonCmdDeletedProc(void *clientData);
static int ButtonCreate(void *clientData,
Tcl_Interp *interp, Tcl_Size objc,
Tcl_Obj *const objv[], int type);
static void ButtonEventProc(void *clientData,
XEvent *eventPtr);
static void ButtonImageProc(void *clientData,
int x, int y, int width, int height,
int imgWidth, int imgHeight);
static void ButtonSelectImageProc(void *clientData,
int x, int y, int width, int height,
int imgWidth, int imgHeight);
static void ButtonTristateImageProc(void *clientData,
int x, int y, int width, int height,
int imgWidth, int imgHeight);
static char * ButtonTextVarProc(void *clientData,
Tcl_Interp *interp, const char *name1,
const char *name2, int flags);
static char * ButtonVarProc(void *clientData,
Tcl_Interp *interp, const char *name1,
const char *name2, int flags);
static Tcl_ObjCmdProc ButtonWidgetObjCmd;
static int ConfigureButton(Tcl_Interp *interp, TkButton *butPtr,
Tcl_Size objc, Tcl_Obj *const objv[]);
static void DestroyButton(TkButton *butPtr);
/*
*--------------------------------------------------------------
*
* Tk_ButtonCmd, Tk_CheckbuttonCmd, Tk_LabelCmd, Tk_RadiobuttonCmd --
*
* These functions are invoked to process the "button", "label",
* "radiobutton", and "checkbutton" Tcl commands. See the user
* documentation for details on what they do.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation. These functions are just wrappers; they
* call ButtonCreate to do all of the real work.
*
*--------------------------------------------------------------
*/
int
Tk_ButtonObjCmd(
void *clientData, /* Either NULL or pointer to option table. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument values. */
{
return ButtonCreate(clientData, interp, objc, objv, TYPE_BUTTON);
}
int
Tk_CheckbuttonObjCmd(
void *clientData, /* Either NULL or pointer to option table. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument values. */
{
return ButtonCreate(clientData, interp, objc, objv, TYPE_CHECK_BUTTON);
}
int
Tk_LabelObjCmd(
void *clientData, /* Either NULL or pointer to option table. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument values. */
{
return ButtonCreate(clientData, interp, objc, objv, TYPE_LABEL);
}
int
Tk_RadiobuttonObjCmd(
void *clientData, /* Either NULL or pointer to option table. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument values. */
{
return ButtonCreate(clientData, interp, objc, objv, TYPE_RADIO_BUTTON);
}
/*
*--------------------------------------------------------------
*
* ButtonCreate --
*
* This function does all the real work of implementing the "button",
* "label", "radiobutton", and "checkbutton" Tcl commands. See the user
* documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*--------------------------------------------------------------
*/
static int
ButtonCreate(
TCL_UNUSED(void *), /* NULL. */
Tcl_Interp *interp, /* Current interpreter. */
Tcl_Size objc, /* Number of arguments. */
Tcl_Obj *const objv[], /* Argument values. */
int type) /* Type of button to create: TYPE_LABEL,
* TYPE_BUTTON, TYPE_CHECK_BUTTON, or
* TYPE_RADIO_BUTTON. */
{
TkButton *butPtr;
Tk_OptionTable optionTable;
Tk_Window tkwin;
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (!tsdPtr->defaultsInitialized) {
TkpButtonSetDefaults();
tsdPtr->defaultsInitialized = 1;
}
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "pathName ?-option value ...?");
return TCL_ERROR;
}
/*
* Create the new window.
*/
tkwin = Tk_CreateWindowFromPath(interp, Tk_MainWindow(interp),
Tcl_GetString(objv[1]), NULL);
if (tkwin == NULL) {
return TCL_ERROR;
}
/*
* Create the option table for this widget class. If it has already been
* created, the cached pointer will be returned.
*/
optionTable = Tk_CreateOptionTable(interp, optionSpecs[type]);
Tk_SetClass(tkwin, classNames[type]);
butPtr = TkpCreateButton(tkwin);
Tk_SetClassProcs(tkwin, &tkpButtonProcs, butPtr);
/*
* Initialize the data structure for the button.
*/
butPtr->tkwin = tkwin;
butPtr->display = Tk_Display(tkwin);
butPtr->interp = interp;
butPtr->widgetCmd = Tcl_CreateObjCommand(interp, Tk_PathName(tkwin),
ButtonWidgetObjCmd, butPtr, ButtonCmdDeletedProc);
butPtr->type = type;
butPtr->optionTable = optionTable;
butPtr->textPtr = NULL;
butPtr->underline = INT_MIN;
butPtr->textVarNamePtr = NULL;
butPtr->bitmap = None;
butPtr->imagePtr = NULL;
butPtr->image = NULL;
butPtr->selectImagePtr = NULL;
butPtr->selectImage = NULL;
butPtr->tristateImagePtr = NULL;
butPtr->tristateImage = NULL;
butPtr->state = STATE_NORMAL;
butPtr->normalBorder = NULL;
butPtr->activeBorder = NULL;
butPtr->borderWidthPtr = NULL;
butPtr->borderWidth = 0;
butPtr->relief = TK_RELIEF_FLAT;
butPtr->highlightWidthPtr = NULL;
butPtr->highlightWidth = 0;
butPtr->highlightBorder = NULL;
butPtr->highlightColorPtr = NULL;
butPtr->inset = 0;
butPtr->tkfont = NULL;
butPtr->normalFg = NULL;
butPtr->activeFg = NULL;
butPtr->disabledFg = NULL;
butPtr->normalTextGC = NULL;
butPtr->activeTextGC = NULL;
butPtr->disabledGC = NULL;
butPtr->stippleGC = NULL;
butPtr->gray = None;
butPtr->copyGC = NULL;
butPtr->widthPtr = NULL;
butPtr->width = 0;
butPtr->heightPtr = NULL;
butPtr->height = 0;
butPtr->wrapLengthPtr = NULL;
butPtr->wrapLength = 0;
butPtr->padXPtr = NULL;
butPtr->padX = 0;
butPtr->padYPtr = NULL;
butPtr->padY = 0;
butPtr->anchor = TK_ANCHOR_CENTER;
butPtr->justify = TK_JUSTIFY_CENTER;
butPtr->indicatorOn = 0;
butPtr->selectBorder = NULL;
butPtr->textWidth = 0;
butPtr->textHeight = 0;
butPtr->textLayout = NULL;
butPtr->indicatorSpace = 0;
butPtr->indicatorDiameter = 0;
butPtr->defaultState = DEFAULT_DISABLED;
butPtr->selVarNamePtr = NULL;
butPtr->onValuePtr = NULL;
butPtr->offValuePtr = NULL;
butPtr->tristateValuePtr = NULL;
butPtr->cursor = NULL;
butPtr->takeFocusPtr = NULL;
butPtr->commandPtr = NULL;
butPtr->flags = 0;
Tk_CreateEventHandler(butPtr->tkwin,
ExposureMask|StructureNotifyMask|FocusChangeMask,
ButtonEventProc, butPtr);
if (Tk_InitOptions(interp, butPtr, optionTable, tkwin)
!= TCL_OK) {
Tk_DestroyWindow(butPtr->tkwin);
return TCL_ERROR;
}
if (ConfigureButton(interp, butPtr, objc - 2, objv + 2) != TCL_OK) {
Tk_DestroyWindow(butPtr->tkwin);
return TCL_ERROR;
}
Tcl_SetObjResult(interp, Tk_NewWindowObj(butPtr->tkwin));
return TCL_OK;
}
/*
*--------------------------------------------------------------
*
* ButtonWidgetCmd --
*
* This function is invoked to process the Tcl command that corresponds
* to a widget managed by this module. See the user documentation for
* details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*--------------------------------------------------------------
*/
static int
ButtonWidgetObjCmd(
void *clientData, /* Information about button widget. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument values. */
{
TkButton *butPtr = (TkButton *)clientData;
int index;
int result;
Tcl_Obj *objPtr;
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
return TCL_ERROR;
}
result = Tcl_GetIndexFromObjStruct(interp, objv[1], commandNames[butPtr->type],
sizeof(char *), "option", 0, &index);
if (result != TCL_OK) {
return result;
}
Tcl_Preserve(butPtr);
switch (map[butPtr->type][index]) {
case COMMAND_CGET:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 1, objv, "cget option");
goto error;
}
objPtr = Tk_GetOptionValue(interp, butPtr,
butPtr->optionTable, objv[2], butPtr->tkwin);
if (objPtr == NULL) {
goto error;
}
Tcl_SetObjResult(interp, objPtr);
break;
case COMMAND_CONFIGURE:
if (objc <= 3) {
objPtr = Tk_GetOptionInfo(interp, butPtr,
butPtr->optionTable, (objc == 3) ? objv[2] : NULL,
butPtr->tkwin);
if (objPtr == NULL) {
goto error;
}
Tcl_SetObjResult(interp, objPtr);
} else {
result = ConfigureButton(interp, butPtr, objc-2, objv+2);
}
break;
case COMMAND_DESELECT:
if (objc > 2) {
Tcl_WrongNumArgs(interp, 1, objv, "deselect");
goto error;
}
if (butPtr->type == TYPE_CHECK_BUTTON) {
if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL,
butPtr->offValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
== NULL) {
goto error;
}
} else if (butPtr->flags & SELECTED) {
if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL,
Tcl_NewObj(), TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG) == NULL){
goto error;
}
}
break;
case COMMAND_FLASH:
if (objc > 2) {
Tcl_WrongNumArgs(interp, 1, objv, "flash");
goto error;
}
if (butPtr->state != STATE_DISABLED) {
int i;
for (i = 0; i < 4; i++) {
if (butPtr->state == STATE_NORMAL) {
butPtr->state = STATE_ACTIVE;
Tk_SetBackgroundFromBorder(butPtr->tkwin,
butPtr->activeBorder);
} else {
butPtr->state = STATE_NORMAL;
Tk_SetBackgroundFromBorder(butPtr->tkwin,
butPtr->normalBorder);
}
TkpDisplayButton(butPtr);
/*
* Special note: must cancel any existing idle handler for
* TkpDisplayButton; it's no longer needed, and
* TkpDisplayButton cleared the REDRAW_PENDING flag.
*/
Tcl_CancelIdleCall(TkpDisplayButton, butPtr);
(void)XFlush(butPtr->display);
#ifndef MAC_OSX_TK
/*
* On the mac you can not sleep in a display proc, and the
* flash command doesn't do anything anyway.
*/
Tcl_Sleep(50);
#endif
}
}
break;
case COMMAND_INVOKE:
if (objc > 2) {
Tcl_WrongNumArgs(interp, 1, objv, "invoke");
goto error;
}
if (butPtr->state != STATE_DISABLED) {
result = TkInvokeButton(butPtr);
}
break;
case COMMAND_SELECT:
if (objc > 2) {
Tcl_WrongNumArgs(interp, 1, objv, "select");
goto error;
}
if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL,
butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
== NULL) {
goto error;
}
break;
case COMMAND_TOGGLE:
if (objc > 2) {
Tcl_WrongNumArgs(interp, 1, objv, "toggle");
goto error;
}
if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL,
(butPtr->flags & SELECTED) ? butPtr->offValuePtr
: butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
== NULL) {
goto error;
}
break;
}
Tcl_Release(butPtr);
return result;
error:
Tcl_Release(butPtr);
return TCL_ERROR;
}
/*
*----------------------------------------------------------------------
*
* DestroyButton --
*
* This function is invoked by ButtonEventProc to free all the resources
* of a button and clean up its state.
*
* Results:
* None.
*
* Side effects:
* Everything associated with the widget is freed.
*
*----------------------------------------------------------------------
*/
static void
DestroyButton(
TkButton *butPtr) /* Info about button widget. */
{
butPtr->flags |= BUTTON_DELETED;
TkpDestroyButton(butPtr);
if (butPtr->flags & REDRAW_PENDING) {
Tcl_CancelIdleCall(TkpDisplayButton, butPtr);
}
/*
* Free up all the stuff that requires special handling, then let
* Tk_FreeOptions handle all the standard option-related stuff.
*/
Tcl_DeleteCommandFromToken(butPtr->interp, butPtr->widgetCmd);
if (butPtr->textVarNamePtr != NULL) {
Tcl_UntraceVar2(butPtr->interp, Tcl_GetString(butPtr->textVarNamePtr),
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
ButtonTextVarProc, butPtr);
}
if (butPtr->image != NULL) {
Tk_FreeImage(butPtr->image);
}
if (butPtr->selectImage != NULL) {
Tk_FreeImage(butPtr->selectImage);
}
if (butPtr->tristateImage != NULL) {
Tk_FreeImage(butPtr->tristateImage);
}
if (butPtr->normalTextGC != NULL) {
Tk_FreeGC(butPtr->display, butPtr->normalTextGC);
}
if (butPtr->activeTextGC != NULL) {
Tk_FreeGC(butPtr->display, butPtr->activeTextGC);
}
if (butPtr->disabledGC != NULL) {
Tk_FreeGC(butPtr->display, butPtr->disabledGC);
}
if (butPtr->stippleGC != NULL) {
Tk_FreeGC(butPtr->display, butPtr->stippleGC);
}
if (butPtr->gray != None) {
Tk_FreeBitmap(butPtr->display, butPtr->gray);
}
if (butPtr->copyGC != NULL) {
Tk_FreeGC(butPtr->display, butPtr->copyGC);
}
if (butPtr->textLayout != NULL) {
Tk_FreeTextLayout(butPtr->textLayout);
}
if (butPtr->selVarNamePtr != NULL) {
Tcl_UntraceVar2(butPtr->interp, Tcl_GetString(butPtr->selVarNamePtr),
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
ButtonVarProc, butPtr);
}
Tk_FreeConfigOptions(butPtr, butPtr->optionTable,
butPtr->tkwin);