tkButton.c
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上传日期:2015-12-11
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- /*
- * tkButton.c --
- *
- * This module implements a collection of button-like
- * widgets for the Tk toolkit. The widgets implemented
- * include labels, buttons, checkbuttons, and radiobuttons.
- *
- * Copyright (c) 1990-1994 The Regents of the University of California.
- * Copyright (c) 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.
- *
- * RCS: @(#) $Id: tkButton.c,v 1.20.2.2 2003/11/12 00:05:13 hobbs Exp $
- */
- #include "tkButton.h"
- #include "default.h"
- typedef struct ThreadSpecificData {
- int defaultsInitialized;
- } ThreadSpecificData;
- static Tcl_ThreadDataKey dataKey;
- /*
- * Class names for buttons, indexed by one of the type values defined
- * in tkButton.h.
- */
- static char *classNames[] = {"Label", "Button", "Checkbutton", "Radiobutton"};
- /*
- * The following table defines the legal values for the -default option.
- * It is used together with the "enum defaultValue" declaration in tkButton.h.
- */
- static char *defaultStrings[] = {
- "active", "disabled", "normal", (char *) NULL
- };
- /*
- * The following table defines the legal values for the -state option.
- * It is used together with the "enum state" declaration in tkButton.h.
- */
- static char *stateStrings[] = {
- "active", "disabled", "normal", (char *) NULL
- };
- /*
- * The following table defines the legal values for the -compound option.
- * It is used with the "enum compound" declaration in tkButton.h
- */
- static char *compoundStrings[] = {
- "bottom", "center", "left", "none", "right", "top", (char *) NULL
- };
- /*
- * Information used for parsing configuration options. There is a
- * separate table for each of the four widget classes.
- */
- static Tk_OptionSpec labelOptionSpecs[] = {
- {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
- DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
- 0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
- {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
- DEF_BUTTON_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
- TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
- {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
- DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
- {TK_OPTION_BORDER, "-background", "background", "Background",
- DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
- 0, (ClientData) DEF_BUTTON_BG_MONO, 0},
- {TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
- {TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
- {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
- DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
- DEF_BUTTON_BORDER_WIDTH, Tk_Offset(TkButton, borderWidthPtr),
- Tk_Offset(TkButton, borderWidth), 0, 0, 0},
- {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
- DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
- (ClientData) compoundStrings, 0},
- {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
- DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
- "DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
- -1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
- (ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
- {TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
- {TK_OPTION_FONT, "-font", "font", "Font",
- DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
- {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
- DEF_BUTTON_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
- {TK_OPTION_STRING, "-height", "height", "Height",
- DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
- {TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
- "HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
- -1, Tk_Offset(TkButton, highlightBorder), 0,
- (ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
- {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
- DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
- 0, 0, 0},
- {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
- "HighlightThickness", DEF_LABEL_HIGHLIGHT_WIDTH,
- Tk_Offset(TkButton, highlightWidthPtr),
- Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
- {TK_OPTION_STRING, "-image", "image", "Image",
- DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
- DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
- {TK_OPTION_PIXELS, "-padx", "padX", "Pad",
- DEF_LABCHKRAD_PADX, Tk_Offset(TkButton, padXPtr),
- Tk_Offset(TkButton, padX), 0, 0, 0},
- {TK_OPTION_PIXELS, "-pady", "padY", "Pad",
- DEF_LABCHKRAD_PADY, Tk_Offset(TkButton, padYPtr),
- Tk_Offset(TkButton, padY), 0, 0, 0},
- {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
- DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
- {TK_OPTION_STRING_TABLE, "-state", "state", "State",
- DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
- 0, (ClientData) stateStrings, 0},
- {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
- DEF_LABEL_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING, "-text", "text", "Text",
- DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
- {TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
- DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_INT, "-underline", "underline", "Underline",
- DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
- {TK_OPTION_STRING, "-width", "width", "Width",
- DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
- {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
- DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
- Tk_Offset(TkButton, wrapLength), 0, 0, 0},
- {TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
- (char *) NULL, 0, 0, 0, 0}
- };
- static Tk_OptionSpec buttonOptionSpecs[] = {
- {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
- DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
- 0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
- {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
- DEF_BUTTON_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
- TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
- {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
- DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
- {TK_OPTION_BORDER, "-background", "background", "Background",
- DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
- 0, (ClientData) DEF_BUTTON_BG_MONO, 0},
- {TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
- {TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
- {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
- DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
- DEF_BUTTON_BORDER_WIDTH, Tk_Offset(TkButton, borderWidthPtr),
- Tk_Offset(TkButton, borderWidth), 0, 0, 0},
- {TK_OPTION_STRING, "-command", "command", "Command",
- DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
- DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
- (ClientData) compoundStrings, 0},
- {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
- DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING_TABLE, "-default", "default", "Default",
- DEF_BUTTON_DEFAULT, -1, Tk_Offset(TkButton, defaultState),
- 0, (ClientData) defaultStrings, 0},
- {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
- "DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
- -1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
- (ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
- {TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
- {TK_OPTION_FONT, "-font", "font", "Font",
- DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
- {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
- DEF_BUTTON_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
- {TK_OPTION_STRING, "-height", "height", "Height",
- DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
- {TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
- "HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
- -1, Tk_Offset(TkButton, highlightBorder), 0,
- (ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
- {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
- DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
- 0, 0, 0},
- {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
- "HighlightThickness", DEF_BUTTON_HIGHLIGHT_WIDTH,
- Tk_Offset(TkButton, highlightWidthPtr),
- Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
- {TK_OPTION_STRING, "-image", "image", "Image",
- DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
- DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
- {TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief",
- DEF_BUTTON_OVER_RELIEF, -1, Tk_Offset(TkButton, overRelief),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_PIXELS, "-padx", "padX", "Pad",
- DEF_BUTTON_PADX, Tk_Offset(TkButton, padXPtr),
- Tk_Offset(TkButton, padX), 0, 0, 0},
- {TK_OPTION_PIXELS, "-pady", "padY", "Pad",
- DEF_BUTTON_PADY, Tk_Offset(TkButton, padYPtr),
- Tk_Offset(TkButton, padY), 0, 0, 0},
- {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
- DEF_BUTTON_RELIEF, -1, Tk_Offset(TkButton, relief),
- 0, 0, 0},
- {TK_OPTION_INT, "-repeatdelay", "repeatDelay", "RepeatDelay",
- DEF_BUTTON_REPEAT_DELAY, -1, Tk_Offset(TkButton, repeatDelay),
- 0, 0, 0},
- {TK_OPTION_INT, "-repeatinterval", "repeatInterval", "RepeatInterval",
- DEF_BUTTON_REPEAT_INTERVAL, -1, Tk_Offset(TkButton, repeatInterval),
- 0, 0, 0},
- {TK_OPTION_STRING_TABLE, "-state", "state", "State",
- DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
- 0, (ClientData) stateStrings, 0},
- {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
- DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING, "-text", "text", "Text",
- DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
- {TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
- DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_INT, "-underline", "underline", "Underline",
- DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
- {TK_OPTION_STRING, "-width", "width", "Width",
- DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
- {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
- DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
- Tk_Offset(TkButton, wrapLength), 0, 0, 0},
- {TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, 0, 0}
- };
- static Tk_OptionSpec checkbuttonOptionSpecs[] = {
- {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
- DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
- 0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
- {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
- DEF_CHKRAD_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
- TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
- {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
- DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
- {TK_OPTION_BORDER, "-background", "background", "Background",
- DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
- 0, (ClientData) DEF_BUTTON_BG_MONO, 0},
- {TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
- {TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
- {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
- DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
- DEF_BUTTON_BORDER_WIDTH, Tk_Offset(TkButton, borderWidthPtr),
- Tk_Offset(TkButton, borderWidth), 0, 0, 0},
- {TK_OPTION_STRING, "-command", "command", "Command",
- DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
- DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
- (ClientData) compoundStrings, 0},
- {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
- DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
- "DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
- -1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
- (ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
- {TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
- {TK_OPTION_FONT, "-font", "font", "Font",
- DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
- {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
- DEF_CHKRAD_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
- {TK_OPTION_STRING, "-height", "height", "Height",
- DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
- {TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
- "HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
- -1, Tk_Offset(TkButton, highlightBorder), 0,
- (ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
- {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
- DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
- 0, 0, 0},
- {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
- "HighlightThickness", DEF_BUTTON_HIGHLIGHT_WIDTH,
- Tk_Offset(TkButton, highlightWidthPtr),
- Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
- {TK_OPTION_STRING, "-image", "image", "Image",
- DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn",
- DEF_BUTTON_INDICATOR, -1, Tk_Offset(TkButton, indicatorOn), 0, 0, 0},
- {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
- DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
- {TK_OPTION_RELIEF, "-offrelief", "offRelief", "OffRelief",
- DEF_BUTTON_RELIEF, -1, Tk_Offset(TkButton, offRelief), 0, 0, 0},
- {TK_OPTION_STRING, "-offvalue", "offValue", "Value",
- DEF_BUTTON_OFF_VALUE, Tk_Offset(TkButton, offValuePtr), -1, 0, 0, 0},
- {TK_OPTION_STRING, "-onvalue", "onValue", "Value",
- DEF_BUTTON_ON_VALUE, Tk_Offset(TkButton, onValuePtr), -1, 0, 0, 0},
- {TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief",
- DEF_BUTTON_OVER_RELIEF, -1, Tk_Offset(TkButton, overRelief),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_PIXELS, "-padx", "padX", "Pad",
- DEF_LABCHKRAD_PADX, Tk_Offset(TkButton, padXPtr),
- Tk_Offset(TkButton, padX), 0, 0, 0},
- {TK_OPTION_PIXELS, "-pady", "padY", "Pad",
- DEF_LABCHKRAD_PADY, Tk_Offset(TkButton, padYPtr),
- Tk_Offset(TkButton, padY), 0, 0, 0},
- {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
- DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
- {TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background",
- DEF_BUTTON_SELECT_COLOR, -1, Tk_Offset(TkButton, selectBorder),
- TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_SELECT_MONO, 0},
- {TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage",
- DEF_BUTTON_SELECT_IMAGE, Tk_Offset(TkButton, selectImagePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING_TABLE, "-state", "state", "State",
- DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
- 0, (ClientData) stateStrings, 0},
- {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
- DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING, "-text", "text", "Text",
- DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
- {TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
- DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_INT, "-underline", "underline", "Underline",
- DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
- {TK_OPTION_STRING, "-variable", "variable", "Variable",
- DEF_CHECKBUTTON_VARIABLE, Tk_Offset(TkButton, selVarNamePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING, "-width", "width", "Width",
- DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
- {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
- DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
- Tk_Offset(TkButton, wrapLength), 0, 0, 0},
- {TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, 0, 0}
- };
- static Tk_OptionSpec radiobuttonOptionSpecs[] = {
- {TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
- DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
- 0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
- {TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
- DEF_CHKRAD_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
- TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
- {TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
- DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
- {TK_OPTION_BORDER, "-background", "background", "Background",
- DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
- 0, (ClientData) DEF_BUTTON_BG_MONO, 0},
- {TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
- {TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
- {TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
- DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
- DEF_BUTTON_BORDER_WIDTH, Tk_Offset(TkButton, borderWidthPtr),
- Tk_Offset(TkButton, borderWidth), 0, 0, 0},
- {TK_OPTION_STRING, "-command", "command", "Command",
- DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
- DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
- (ClientData) compoundStrings, 0},
- {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
- DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
- "DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
- -1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
- (ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
- {TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
- (char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
- {TK_OPTION_FONT, "-font", "font", "Font",
- DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
- {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
- DEF_CHKRAD_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
- {TK_OPTION_STRING, "-height", "height", "Height",
- DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
- {TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
- "HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
- -1, Tk_Offset(TkButton, highlightBorder), 0,
- (ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
- {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
- DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
- 0, 0, 0},
- {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
- "HighlightThickness", DEF_BUTTON_HIGHLIGHT_WIDTH,
- Tk_Offset(TkButton, highlightWidthPtr),
- Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
- {TK_OPTION_STRING, "-image", "image", "Image",
- DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn",
- DEF_BUTTON_INDICATOR, -1, Tk_Offset(TkButton, indicatorOn),
- 0, 0, 0},
- {TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
- DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
- {TK_OPTION_RELIEF, "-offrelief", "offRelief", "OffRelief",
- DEF_BUTTON_RELIEF, -1, Tk_Offset(TkButton, offRelief), 0, 0, 0},
- {TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief",
- DEF_BUTTON_OVER_RELIEF, -1, Tk_Offset(TkButton, overRelief),
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_PIXELS, "-padx", "padX", "Pad",
- DEF_LABCHKRAD_PADX, Tk_Offset(TkButton, padXPtr),
- Tk_Offset(TkButton, padX), 0, 0, 0},
- {TK_OPTION_PIXELS, "-pady", "padY", "Pad",
- DEF_LABCHKRAD_PADY, Tk_Offset(TkButton, padYPtr),
- Tk_Offset(TkButton, padY), 0, 0, 0},
- {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
- DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
- {TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background",
- DEF_BUTTON_SELECT_COLOR, -1, Tk_Offset(TkButton, selectBorder),
- TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_SELECT_MONO, 0},
- {TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage",
- DEF_BUTTON_SELECT_IMAGE, Tk_Offset(TkButton, selectImagePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING_TABLE, "-state", "state", "State",
- DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
- 0, (ClientData) stateStrings, 0},
- {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
- DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_STRING, "-text", "text", "Text",
- DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
- {TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
- DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
- TK_OPTION_NULL_OK, 0, 0},
- {TK_OPTION_INT, "-underline", "underline", "Underline",
- DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
- {TK_OPTION_STRING, "-value", "value", "Value",
- DEF_BUTTON_VALUE, Tk_Offset(TkButton, onValuePtr), -1, 0, 0, 0},
- {TK_OPTION_STRING, "-variable", "variable", "Variable",
- DEF_RADIOBUTTON_VARIABLE, Tk_Offset(TkButton, selVarNamePtr), -1,
- 0, 0, 0},
- {TK_OPTION_STRING, "-width", "width", "Width",
- DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
- {TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
- DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
- Tk_Offset(TkButton, wrapLength), 0, 0, 0},
- {TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
- (char *) NULL, 0, -1, 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 Tk_OptionSpec *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 *commandNames[][8] = {
- {"cget", "configure", (char *) NULL},
- {"cget", "configure", "flash", "invoke", (char *) NULL},
- {"cget", "configure", "deselect", "flash", "invoke", "select",
- "toggle", (char *) NULL},
- {"cget", "configure", "deselect", "flash", "invoke", "select",
- (char *) NULL}
- };
- enum command {
- COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH,
- COMMAND_INVOKE, COMMAND_SELECT, COMMAND_TOGGLE
- };
- static 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 procedures defined later in this file:
- */
- static void ButtonCmdDeletedProc _ANSI_ARGS_((
- ClientData clientData));
- static int ButtonCreate _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, int objc,
- Tcl_Obj *CONST objv[], int type));
- static void ButtonEventProc _ANSI_ARGS_((ClientData clientData,
- XEvent *eventPtr));
- static void ButtonImageProc _ANSI_ARGS_((ClientData clientData,
- int x, int y, int width, int height,
- int imgWidth, int imgHeight));
- static void ButtonSelectImageProc _ANSI_ARGS_((
- ClientData clientData, int x, int y, int width,
- int height, int imgWidth, int imgHeight));
- static char * ButtonTextVarProc _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, CONST char *name1,
- CONST char *name2, int flags));
- static char * ButtonVarProc _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, CONST char *name1,
- CONST char *name2, int flags));
- static int ButtonWidgetObjCmd _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, int objc,
- Tcl_Obj *CONST objv[]));
- static int ConfigureButton _ANSI_ARGS_((Tcl_Interp *interp,
- TkButton *butPtr, int objc,
- Tcl_Obj *CONST objv[]));
- static void DestroyButton _ANSI_ARGS_((TkButton *butPtr));
- /*
- *--------------------------------------------------------------
- *
- * Tk_ButtonCmd, Tk_CheckbuttonCmd, Tk_LabelCmd, Tk_RadiobuttonCmd --
- *
- * These procedures 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 procedures are just wrappers;
- * they call ButtonCreate to do all of the real work.
- *
- *--------------------------------------------------------------
- */
- int
- Tk_ButtonObjCmd(clientData, interp, objc, objv)
- ClientData 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(clientData, interp, objc, objv)
- ClientData 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(clientData, interp, objc, objv)
- ClientData 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(clientData, interp, objc, objv)
- ClientData 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 procedure 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(clientData, interp, objc, objv, type)
- ClientData clientData; /* NULL. */
- Tcl_Interp *interp; /* Current interpreter. */
- int 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(optionSpecs[type]);
- tsdPtr->defaultsInitialized = 1;
- }
- if (objc < 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "pathName ?options?");
- return TCL_ERROR;
- }
- /*
- * Create the new window.
- */
- tkwin = Tk_CreateWindowFromPath(interp, Tk_MainWindow(interp),
- Tcl_GetString(objv[1]), (char *) 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, (ClientData) 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, (ClientData) butPtr, ButtonCmdDeletedProc);
- butPtr->type = type;
- butPtr->optionTable = optionTable;
- butPtr->textPtr = NULL;
- butPtr->underline = -1;
- butPtr->textVarNamePtr = NULL;
- butPtr->bitmap = None;
- butPtr->imagePtr = NULL;
- butPtr->image = NULL;
- butPtr->selectImagePtr = NULL;
- butPtr->selectImage = 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 = None;
- butPtr->activeTextGC = None;
- butPtr->disabledGC = None;
- butPtr->stippleGC = None;
- butPtr->gray = None;
- butPtr->copyGC = None;
- 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->cursor = None;
- butPtr->takeFocusPtr = NULL;
- butPtr->commandPtr = NULL;
- butPtr->flags = 0;
- Tk_CreateEventHandler(butPtr->tkwin,
- ExposureMask|StructureNotifyMask|FocusChangeMask,
- ButtonEventProc, (ClientData) butPtr);
- if (Tk_InitOptions(interp, (char *) 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_SetStringObj(Tcl_GetObjResult(interp), Tk_PathName(butPtr->tkwin),
- -1);
- return TCL_OK;
- }
- /*
- *--------------------------------------------------------------
- *
- * ButtonWidgetCmd --
- *
- * This procedure 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(clientData, interp, objc, objv)
- ClientData 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 arg ...?");
- return TCL_ERROR;
- }
- result = Tcl_GetIndexFromObj(interp, objv[1], commandNames[butPtr->type],
- "option", 0, &index);
- if (result != TCL_OK) {
- return result;
- }
- Tcl_Preserve((ClientData) 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, (char *) butPtr,
- butPtr->optionTable, objv[2], butPtr->tkwin);
- if (objPtr == NULL) {
- goto error;
- } else {
- Tcl_SetObjResult(interp, objPtr);
- }
- break;
- }
- case COMMAND_CONFIGURE: {
- if (objc <= 3) {
- objPtr = Tk_GetOptionInfo(interp, (char *) butPtr,
- butPtr->optionTable,
- (objc == 3) ? objv[2] : (Tcl_Obj *) NULL,
- butPtr->tkwin);
- if (objPtr == NULL) {
- goto error;
- } else {
- 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: {
- int i;
- if (objc > 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "flash");
- goto error;
- }
- if (butPtr->state != STATE_DISABLED) {
- 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((ClientData) 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, (ClientData) butPtr);
- XFlush(butPtr->display);
- Tcl_Sleep(50);
- }
- }
- 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((ClientData) butPtr);
- return result;
- error:
- Tcl_Release((ClientData) butPtr);
- return TCL_ERROR;
- }
- /*
- *----------------------------------------------------------------------
- *
- * DestroyButton --
- *
- * This procedure 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(butPtr)
- TkButton *butPtr; /* Info about button widget. */
- {
- butPtr->flags |= BUTTON_DELETED;
- TkpDestroyButton(butPtr);
- if (butPtr->flags & REDRAW_PENDING) {
- Tcl_CancelIdleCall(TkpDisplayButton, (ClientData) 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_UntraceVar(butPtr->interp, Tcl_GetString(butPtr->textVarNamePtr),
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- ButtonTextVarProc, (ClientData) butPtr);
- }
- if (butPtr->image != NULL) {
- Tk_FreeImage(butPtr->image);
- }
- if (butPtr->selectImage != NULL) {
- Tk_FreeImage(butPtr->selectImage);
- }
- if (butPtr->normalTextGC != None) {
- Tk_FreeGC(butPtr->display, butPtr->normalTextGC);
- }
- if (butPtr->activeTextGC != None) {
- Tk_FreeGC(butPtr->display, butPtr->activeTextGC);
- }
- if (butPtr->disabledGC != None) {
- Tk_FreeGC(butPtr->display, butPtr->disabledGC);
- }
- if (butPtr->stippleGC != None) {
- Tk_FreeGC(butPtr->display, butPtr->stippleGC);
- }
- if (butPtr->gray != None) {
- Tk_FreeBitmap(butPtr->display, butPtr->gray);
- }
- if (butPtr->copyGC != None) {
- Tk_FreeGC(butPtr->display, butPtr->copyGC);
- }
- if (butPtr->textLayout != NULL) {
- Tk_FreeTextLayout(butPtr->textLayout);
- }
- if (butPtr->selVarNamePtr != NULL) {
- Tcl_UntraceVar(butPtr->interp, Tcl_GetString(butPtr->selVarNamePtr),
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- ButtonVarProc, (ClientData) butPtr);
- }
- Tk_FreeConfigOptions((char *) butPtr, butPtr->optionTable,
- butPtr->tkwin);
- butPtr->tkwin = NULL;
- Tcl_EventuallyFree((ClientData) butPtr, TCL_DYNAMIC);
- }
- /*
- *----------------------------------------------------------------------
- *
- * ConfigureButton --
- *
- * This procedure is called to process an objc/objv list to set
- * configuration options for a button widget.
- *
- * Results:
- * The return value is a standard Tcl result. If TCL_ERROR is
- * returned, then an error message is left in interp's result.
- *
- * Side effects:
- * Configuration information, such as text string, colors, font,
- * etc. get set for butPtr; old resources get freed, if there
- * were any. The button is redisplayed.
- *
- *----------------------------------------------------------------------
- */
- static int
- ConfigureButton(interp, butPtr, objc, objv)
- Tcl_Interp *interp; /* Used for error reporting. */
- register TkButton *butPtr; /* Information about widget; may or may
- * not already have values for some fields. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument values. */
- {
- Tk_SavedOptions savedOptions;
- Tcl_Obj *errorResult = NULL;
- int error, haveImage;
- Tk_Image image;
- /*
- * Eliminate any existing trace on variables monitored by the button.
- */
- if (butPtr->textVarNamePtr != NULL) {
- Tcl_UntraceVar(interp, Tcl_GetString(butPtr->textVarNamePtr),
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- ButtonTextVarProc, (ClientData) butPtr);
- }
- if (butPtr->selVarNamePtr != NULL) {
- Tcl_UntraceVar(interp, Tcl_GetString(butPtr->selVarNamePtr),
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- ButtonVarProc, (ClientData) butPtr);
- }
- /*
- * The following loop is potentially executed twice. During the
- * first pass configuration options get set to their new values.
- * If there is an error in this pass, we execute a second pass
- * to restore all the options to their previous values.
- */
- for (error = 0; error <= 1; error++) {
- if (!error) {
- /*
- * First pass: set options to new values.
- */
- if (Tk_SetOptions(interp, (char *) butPtr,
- butPtr->optionTable, objc, objv,
- butPtr->tkwin, &savedOptions, (int *) NULL) != TCL_OK) {
- continue;
- }
- } else {
- /*
- * Second pass: restore options to old values.
- */
- errorResult = Tcl_GetObjResult(interp);
- Tcl_IncrRefCount(errorResult);
- Tk_RestoreSavedOptions(&savedOptions);
- }
- if ((butPtr->flags & BUTTON_DELETED)) {
- /*
- * Somehow button was deleted - just abort now. [Bug #824479]
- */
- return TCL_ERROR;
- }
- /*
- * A few options need special processing, such as setting the
- * background from a 3-D border, or filling in complicated
- * defaults that couldn't be specified to Tk_SetOptions.
- */
- if ((butPtr->state == STATE_ACTIVE)
- && !Tk_StrictMotif(butPtr->tkwin)) {
- Tk_SetBackgroundFromBorder(butPtr->tkwin, butPtr->activeBorder);
- } else {
- Tk_SetBackgroundFromBorder(butPtr->tkwin, butPtr->normalBorder);
- }
- if (butPtr->borderWidth < 0) {
- butPtr->borderWidth = 0;
- }
- if (butPtr->highlightWidth < 0) {
- butPtr->highlightWidth = 0;
- }
- if (butPtr->padX < 0) {
- butPtr->padX = 0;
- }
- if (butPtr->padY < 0) {
- butPtr->padY = 0;
- }
- if (butPtr->type >= TYPE_CHECK_BUTTON) {
- Tcl_Obj *valuePtr, *namePtr;
-
- if (butPtr->selVarNamePtr == NULL) {
- butPtr->selVarNamePtr = Tcl_NewStringObj(
- Tk_Name(butPtr->tkwin), -1);
- Tcl_IncrRefCount(butPtr->selVarNamePtr);
- }
- namePtr = butPtr->selVarNamePtr;
-
- /*
- * Select the button if the associated variable has the
- * appropriate value, initialize the variable if it doesn't
- * exist, then set a trace on the variable to monitor future
- * changes to its value.
- */
-
- valuePtr = Tcl_ObjGetVar2(interp, namePtr, NULL, TCL_GLOBAL_ONLY);
- butPtr->flags &= ~SELECTED;
- if (valuePtr != NULL) {
- if (strcmp(Tcl_GetString(valuePtr),
- Tcl_GetString(butPtr->onValuePtr)) == 0) {
- butPtr->flags |= SELECTED;
- }
- } else {
- if (Tcl_ObjSetVar2(interp, namePtr, NULL,
- (butPtr->type == TYPE_CHECK_BUTTON)
- ? butPtr->offValuePtr : Tcl_NewObj(),
- TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
- == NULL) {
- continue;
- }
- /*
- * If a radiobutton has the empty string as value
- * it should be selected.
- */
- if ((butPtr->type == TYPE_RADIO_BUTTON) &&
- (*Tcl_GetString(butPtr->onValuePtr) == 0)) {
- butPtr->flags |= SELECTED;
- }
- }
- }
- /*
- * Get the images for the widget, if there are any. Allocate the
- * new images before freeing the old ones, so that the reference
- * counts don't go to zero and cause image data to be discarded.
- */
-
- if (butPtr->imagePtr != NULL) {
- image = Tk_GetImage(butPtr->interp, butPtr->tkwin,
- Tcl_GetString(butPtr->imagePtr), ButtonImageProc,
- (ClientData) butPtr);
- if (image == NULL) {
- continue;
- }
- } else {
- image = NULL;
- }
- if (butPtr->image != NULL) {
- Tk_FreeImage(butPtr->image);
- }
- butPtr->image = image;
- if (butPtr->selectImagePtr != NULL) {
- image = Tk_GetImage(butPtr->interp, butPtr->tkwin,
- Tcl_GetString(butPtr->selectImagePtr),
- ButtonSelectImageProc, (ClientData) butPtr);
- if (image == NULL) {
- continue;
- }
- } else {
- image = NULL;
- }
- if (butPtr->selectImage != NULL) {
- Tk_FreeImage(butPtr->selectImage);
- }
- butPtr->selectImage = image;
- haveImage = 0;
- if (butPtr->imagePtr != NULL || butPtr->bitmap != None) {
- haveImage = 1;
- }
- if ((!haveImage || butPtr->compound != COMPOUND_NONE)
- && (butPtr->textVarNamePtr != NULL)) {
- /*
- * The button must display the value of a variable: set up a trace
- * on the variable's value, create the variable if it doesn't
- * exist, and fetch its current value.
- */
-
- Tcl_Obj *valuePtr, *namePtr;
- namePtr = butPtr->textVarNamePtr;
- valuePtr = Tcl_ObjGetVar2(interp, namePtr, NULL, TCL_GLOBAL_ONLY);
- if (valuePtr == NULL) {
- if (Tcl_ObjSetVar2(interp, namePtr, NULL, butPtr->textPtr,
- TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
- == NULL) {
- continue;
- }
- } else {
- if (butPtr->textPtr != NULL) {
- Tcl_DecrRefCount(butPtr->textPtr);
- }
- butPtr->textPtr = valuePtr;
- Tcl_IncrRefCount(butPtr->textPtr);
- }
- }
-
- if ((butPtr->bitmap != None) || (butPtr->imagePtr != NULL)) {
- /*
- * The button must display the contents of an image or
- * bitmap.
- */
- if (Tk_GetPixelsFromObj(interp, butPtr->tkwin, butPtr->widthPtr,
- &butPtr->width) != TCL_OK) {
- widthError:
- Tcl_AddErrorInfo(interp, "n (processing -width option)");
- continue;
- }
- if (Tk_GetPixelsFromObj(interp, butPtr->tkwin, butPtr->heightPtr,
- &butPtr->height) != TCL_OK) {
- heightError:
- Tcl_AddErrorInfo(interp, "n (processing -height option)");
- continue;
- }
- } else {
- /*
- * The button displays an ordinary text string.
- */
- if (Tcl_GetIntFromObj(interp, butPtr->widthPtr, &butPtr->width)
- != TCL_OK) {
- goto widthError;
- }
- if (Tcl_GetIntFromObj(interp, butPtr->heightPtr, &butPtr->height)
- != TCL_OK) {
- goto heightError;
- }
- }
- break;
- }
- if (!error) {
- Tk_FreeSavedOptions(&savedOptions);
- }
- /*
- * Reestablish the variable traces, if they're needed.
- */
- if (butPtr->textVarNamePtr != NULL) {
- Tcl_TraceVar(interp, Tcl_GetString(butPtr->textVarNamePtr),
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- ButtonTextVarProc, (ClientData) butPtr);
- }
- if (butPtr->selVarNamePtr != NULL) {
- Tcl_TraceVar(interp, Tcl_GetString(butPtr->selVarNamePtr),
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- ButtonVarProc, (ClientData) butPtr);
- }
-
- TkButtonWorldChanged((ClientData) butPtr);
- if (error) {
- Tcl_SetObjResult(interp, errorResult);
- Tcl_DecrRefCount(errorResult);
- return TCL_ERROR;
- } else {
- return TCL_OK;
- }
- }
- /*
- *---------------------------------------------------------------------------
- *
- * TkButtonWorldChanged --
- *
- * This procedure is called when the world has changed in some
- * way and the widget needs to recompute all its graphics contexts
- * and determine its new geometry.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Button will be relayed out and redisplayed.
- *
- *---------------------------------------------------------------------------
- */
-
- void
- TkButtonWorldChanged(instanceData)
- ClientData instanceData; /* Information about widget. */
- {
- XGCValues gcValues;
- GC newGC;
- unsigned long mask;
- TkButton *butPtr;
- butPtr = (TkButton *) instanceData;
- /*
- * Recompute GCs.
- */
- gcValues.font = Tk_FontId(butPtr->tkfont);
- gcValues.foreground = butPtr->normalFg->pixel;
- gcValues.background = Tk_3DBorderColor(butPtr->normalBorder)->pixel;
-
- /*
- * Note: GraphicsExpose events are disabled in normalTextGC because it's
- * used to copy stuff from an off-screen pixmap onto the screen (we know
- * that there's no problem with obscured areas).
- */
- gcValues.graphics_exposures = False;
- mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
- newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
- if (butPtr->normalTextGC != None) {
- Tk_FreeGC(butPtr->display, butPtr->normalTextGC);
- }
- butPtr->normalTextGC = newGC;
- if (butPtr->activeFg != NULL) {
- gcValues.foreground = butPtr->activeFg->pixel;
- gcValues.background = Tk_3DBorderColor(butPtr->activeBorder)->pixel;
- mask = GCForeground | GCBackground | GCFont;
- newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
- if (butPtr->activeTextGC != None) {
- Tk_FreeGC(butPtr->display, butPtr->activeTextGC);
- }
- butPtr->activeTextGC = newGC;
- }
- gcValues.background = Tk_3DBorderColor(butPtr->normalBorder)->pixel;
- /*
- * Create the GC that can be used for stippling
- */
- if (butPtr->stippleGC == None) {
- gcValues.foreground = gcValues.background;
- mask = GCForeground;
- if (butPtr->gray == None) {
- butPtr->gray = Tk_GetBitmap(NULL, butPtr->tkwin, "gray50");
- }
- if (butPtr->gray != None) {
- gcValues.fill_style = FillStippled;
- gcValues.stipple = butPtr->gray;
- mask |= GCFillStyle | GCStipple;
- }
- butPtr->stippleGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
- }
- /*
- * Allocate the disabled graphics context, for drawing text in
- * its disabled state.
- */
- mask = GCForeground | GCBackground | GCFont;
- if (butPtr->disabledFg != NULL) {
- gcValues.foreground = butPtr->disabledFg->pixel;
- } else {
- gcValues.foreground = gcValues.background;
- }
- newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
- if (butPtr->disabledGC != None) {
- Tk_FreeGC(butPtr->display, butPtr->disabledGC);
- }
- butPtr->disabledGC = newGC;
- if (butPtr->copyGC == None) {
- butPtr->copyGC = Tk_GetGC(butPtr->tkwin, 0, &gcValues);
- }
- TkpComputeButtonGeometry(butPtr);
- /*
- * Lastly, arrange for the button to be redisplayed.
- */
- if (Tk_IsMapped(butPtr->tkwin) && !(butPtr->flags & REDRAW_PENDING)) {
- Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
- butPtr->flags |= REDRAW_PENDING;
- }
- }
- /*
- *--------------------------------------------------------------
- *
- * ButtonEventProc --
- *
- * This procedure is invoked by the Tk dispatcher for various
- * events on buttons.
- *
- * Results:
- * None.
- *
- * Side effects:
- * When the window gets deleted, internal structures get
- * cleaned up. When it gets exposed, it is redisplayed.
- *
- *--------------------------------------------------------------
- */
- static void
- ButtonEventProc(clientData, eventPtr)
- ClientData clientData; /* Information about window. */
- XEvent *eventPtr; /* Information about event. */
- {
- TkButton *butPtr = (TkButton *) clientData;
- if ((eventPtr->type == Expose) && (eventPtr->xexpose.count == 0)) {
- goto redraw;
- } else if (eventPtr->type == ConfigureNotify) {
- /*
- * Must redraw after size changes, since layout could have changed
- * and borders will need to be redrawn.
- */
- goto redraw;
- } else if (eventPtr->type == DestroyNotify) {
- DestroyButton(butPtr);
- } else if (eventPtr->type == FocusIn) {
- if (eventPtr->xfocus.detail != NotifyInferior) {
- butPtr->flags |= GOT_FOCUS;
- if (butPtr->highlightWidth > 0) {
- goto redraw;
- }
- }
- } else if (eventPtr->type == FocusOut) {
- if (eventPtr->xfocus.detail != NotifyInferior) {
- butPtr->flags &= ~GOT_FOCUS;
- if (butPtr->highlightWidth > 0) {
- goto redraw;
- }
- }
- }
- return;
- redraw:
- if ((butPtr->tkwin != NULL) && !(butPtr->flags & REDRAW_PENDING)) {
- Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
- butPtr->flags |= REDRAW_PENDING;
- }
- }
- /*
- *----------------------------------------------------------------------
- *
- * ButtonCmdDeletedProc --
- *
- * This procedure is invoked when a widget command is deleted. If
- * the widget isn't already in the process of being destroyed,
- * this command destroys it.
- *
- * Results:
- * None.
- *
- * Side effects:
- * The widget is destroyed.
- *
- *----------------------------------------------------------------------
- */
- static void
- ButtonCmdDeletedProc(clientData)
- ClientData clientData; /* Pointer to widget record for widget. */
- {
- TkButton *butPtr = (TkButton *) clientData;
- /*
- * This procedure could be invoked either because the window was
- * destroyed and the command was then deleted or because the command
- * was deleted, and then this procedure destroys the widget. The
- * BUTTON_DELETED flag distinguishes these cases.
- */
- if (!(butPtr->flags & BUTTON_DELETED)) {
- Tk_DestroyWindow(butPtr->tkwin);
- }
- }
- /*
- *----------------------------------------------------------------------
- *
- * TkInvokeButton --
- *
- * This procedure is called to carry out the actions associated
- * with a button, such as invoking a Tcl command or setting a
- * variable. This procedure is invoked, for example, when the
- * button is invoked via the mouse.
- *
- * Results:
- * A standard Tcl return value. Information is also left in
- * the interp's result.
- *
- * Side effects:
- * Depends on the button and its associated command.
- *
- *----------------------------------------------------------------------
- */
- int
- TkInvokeButton(butPtr)
- TkButton *butPtr; /* Information about button. */
- {
- Tcl_Obj *namePtr = butPtr->selVarNamePtr;
- if (butPtr->type == TYPE_CHECK_BUTTON) {
- if (butPtr->flags & SELECTED) {
- if (Tcl_ObjSetVar2(butPtr->interp, namePtr, NULL,
- butPtr->offValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
- == NULL) {
- return TCL_ERROR;
- }
- } else {
- if (Tcl_ObjSetVar2(butPtr->interp, namePtr, NULL,
- butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
- == NULL) {
- return TCL_ERROR;
- }
- }
- } else if (butPtr->type == TYPE_RADIO_BUTTON) {
- if (Tcl_ObjSetVar2(butPtr->interp, namePtr, NULL, butPtr->onValuePtr,
- TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
- == NULL) {
- return TCL_ERROR;
- }
- }
- if ((butPtr->type != TYPE_LABEL) && (butPtr->commandPtr != NULL)) {
- return Tcl_EvalObjEx(butPtr->interp, butPtr->commandPtr,
- TCL_EVAL_GLOBAL);
- }
- return TCL_OK;
- }
- /*
- *--------------------------------------------------------------
- *
- * ButtonVarProc --
- *
- * This procedure is invoked when someone changes the
- * state variable associated with a radio button. Depending
- * on the new value of the button's variable, the button
- * may be selected or deselected.
- *
- * Results:
- * NULL is always returned.
- *
- * Side effects:
- * The button may become selected or deselected.
- *
- *--------------------------------------------------------------
- */
- /* ARGSUSED */
- static char *
- ButtonVarProc(clientData, interp, name1, name2, flags)
- ClientData clientData; /* Information about button. */
- Tcl_Interp *interp; /* Interpreter containing variable. */
- CONST char *name1; /* Name of variable. */
- CONST char *name2; /* Second part of variable name. */
- int flags; /* Information about what happened. */
- {
- register TkButton *butPtr = (TkButton *) clientData;
- char *name, *value;
- Tcl_Obj *valuePtr;
- name = Tcl_GetString(butPtr->selVarNamePtr);
- /*
- * If the variable is being unset, then just re-establish the
- * trace unless the whole interpreter is going away.
- */
- if (flags & TCL_TRACE_UNSETS) {
- butPtr->flags &= ~SELECTED;
- if ((flags & TCL_TRACE_DESTROYED) && !(flags & TCL_INTERP_DESTROYED)) {
- Tcl_TraceVar(interp, name,
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- ButtonVarProc, clientData);
- }
- goto redisplay;
- }
- /*
- * Use the value of the variable to update the selected status of
- * the button.
- */
- valuePtr = Tcl_GetVar2Ex(interp, name, NULL, TCL_GLOBAL_ONLY);
- if (valuePtr == NULL) {
- value = "";
- } else {
- value = Tcl_GetString(valuePtr);
- }
- if (strcmp(value, Tcl_GetString(butPtr->onValuePtr)) == 0) {
- if (butPtr->flags & SELECTED) {
- return (char *) NULL;
- }
- butPtr->flags |= SELECTED;
- } else if (butPtr->flags & SELECTED) {
- butPtr->flags &= ~SELECTED;
- } else {
- return (char *) NULL;
- }
- redisplay:
- if ((butPtr->tkwin != NULL) && Tk_IsMapped(butPtr->tkwin)
- && !(butPtr->flags & REDRAW_PENDING)) {
- Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
- butPtr->flags |= REDRAW_PENDING;
- }
- return (char *) NULL;
- }
- /*
- *--------------------------------------------------------------
- *
- * ButtonTextVarProc --
- *
- * This procedure is invoked when someone changes the variable
- * whose contents are to be displayed in a button.
- *
- * Results:
- * NULL is always returned.
- *
- * Side effects:
- * The text displayed in the button will change to match the
- * variable.
- *
- *--------------------------------------------------------------
- */
- /* ARGSUSED */
- static char *
- ButtonTextVarProc(clientData, interp, name1, name2, flags)
- ClientData clientData; /* Information about button. */
- Tcl_Interp *interp; /* Interpreter containing variable. */
- CONST char *name1; /* Not used. */
- CONST char *name2; /* Not used. */
- int flags; /* Information about what happened. */
- {
- TkButton *butPtr = (TkButton *) clientData;
- char *name;
- Tcl_Obj *valuePtr;
- if (butPtr->flags & BUTTON_DELETED) {
- return (char *) NULL;
- }
- name = Tcl_GetString(butPtr->textVarNamePtr);
- /*
- * If the variable is unset, then immediately recreate it unless
- * the whole interpreter is going away.
- */
- if (flags & TCL_TRACE_UNSETS) {
- if ((flags & TCL_TRACE_DESTROYED) && !(flags & TCL_INTERP_DESTROYED)) {
- Tcl_SetVar2Ex(interp, name, NULL, butPtr->textPtr,
- TCL_GLOBAL_ONLY);
- Tcl_TraceVar(interp, name,
- TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
- ButtonTextVarProc, clientData);
- }
- return (char *) NULL;
- }
- valuePtr = Tcl_GetVar2Ex(interp, name, NULL, TCL_GLOBAL_ONLY);
- if (valuePtr == NULL) {
- valuePtr = Tcl_NewObj();
- }
- Tcl_DecrRefCount(butPtr->textPtr);
- butPtr->textPtr = valuePtr;
- Tcl_IncrRefCount(butPtr->textPtr);
- TkpComputeButtonGeometry(butPtr);
- if ((butPtr->tkwin != NULL) && Tk_IsMapped(butPtr->tkwin)
- && !(butPtr->flags & REDRAW_PENDING)) {
- Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
- butPtr->flags |= REDRAW_PENDING;
- }
- return (char *) NULL;
- }
- /*
- *----------------------------------------------------------------------
- *
- * ButtonImageProc --
- *
- * This procedure is invoked by the image code whenever the manager
- * for an image does something that affects the size or contents
- * of an image displayed in a button.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Arranges for the button to get redisplayed.
- *
- *----------------------------------------------------------------------
- */
- static void
- ButtonImageProc(clientData, x, y, width, height, imgWidth, imgHeight)
- ClientData clientData; /* Pointer to widget record. */
- int x, y; /* Upper left pixel (within image)
- * that must be redisplayed. */
- int width, height; /* Dimensions of area to redisplay
- * (may be <= 0). */
- int imgWidth, imgHeight; /* New dimensions of image. */
- {
- register TkButton *butPtr = (TkButton *) clientData;
- if (butPtr->tkwin != NULL) {
- TkpComputeButtonGeometry(butPtr);
- if (Tk_IsMapped(butPtr->tkwin) && !(butPtr->flags & REDRAW_PENDING)) {
- Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
- butPtr->flags |= REDRAW_PENDING;
- }
- }
- }
- /*
- *----------------------------------------------------------------------
- *
- * ButtonSelectImageProc --
- *
- * This procedure is invoked by the image code whenever the manager
- * for an image does something that affects the size or contents
- * of the image displayed in a button when it is selected.
- *
- * Results:
- * None.
- *
- * Side effects:
- * May arrange for the button to get redisplayed.
- *
- *----------------------------------------------------------------------
- */
- static void
- ButtonSelectImageProc(clientData, x, y, width, height, imgWidth, imgHeight)
- ClientData clientData; /* Pointer to widget record. */
- int x, y; /* Upper left pixel (within image)
- * that must be redisplayed. */
- int width, height; /* Dimensions of area to redisplay
- * (may be <= 0). */
- int imgWidth, imgHeight; /* New dimensions of image. */
- {
- register TkButton *butPtr = (TkButton *) clientData;
- /*
- * Don't recompute geometry: it's controlled by the primary image.
- */
- if ((butPtr->flags & SELECTED) && (butPtr->tkwin != NULL)
- && Tk_IsMapped(butPtr->tkwin)
- && !(butPtr->flags & REDRAW_PENDING)) {
- Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
- butPtr->flags |= REDRAW_PENDING;
- }
- }