/*
* 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 (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.
*/
#include "tkInt.h"
#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 const char *const 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 const char *const defaultStrings[] = {
"active", "disabled", "normal", 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 const char *const stateStrings[] = {
"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
*/
static const char *const compoundStrings[] = {
"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, -1, Tk_Offset(TkButton, activeBorder),
0, 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, 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, DEF_BUTTON_BG_MONO, 0},
{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
NULL, 0, -1, 0, "-borderwidth", 0},
{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
NULL, 0, -1, 0, "-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",
tkDefButtonBorderWidth, 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,
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", NULL,
NULL, 0, -1, 0, "-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", tkDefLabelHighlightWidth,
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",
tkDefLabelPadx, Tk_Offset(TkButton, padXPtr),
Tk_Offset(TkButton, padX), 0, 0, 0},
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
tkDefLabelPady, 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, 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, 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, -1, Tk_Offset(TkButton, activeBorder),
0, 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, 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, DEF_BUTTON_BG_MONO, 0},
{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
NULL, 0, -1, 0, "-borderwidth", 0},
{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
NULL, 0, -1, 0, "-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",
tkDefButtonBorderWidth, 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,
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, 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", NULL,
NULL, 0, -1, 0, "-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", tkDefButtonHighlightWidth,
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",
tkDefButtonPadx, Tk_Offset(TkButton, padXPtr),
Tk_Offset(TkButton, padX), 0, 0, 0},
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
tkDefButtonPady, 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, 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, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
};
static const Tk_OptionSpec checkbuttonOptionSpecs[] = {
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
0, 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, 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, DEF_BUTTON_BG_MONO, 0},
{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
NULL, 0, -1, 0, "-borderwidth", 0},
{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
NULL, 0, -1, 0, "-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",
tkDefButtonBorderWidth, 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,
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", NULL,
NULL, 0, -1, 0, "-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", tkDefButtonHighlightWidth,
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",
tkDefLabelPadx, Tk_Offset(TkButton, padXPtr),
Tk_Offset(TkButton, padX), 0, 0, 0},
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
tkDefLabelPady, 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, 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, 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_STRING, "-tristateimage", "tristateImage", "TristateImage",
DEF_BUTTON_IMAGE, Tk_Offset(TkButton, tristateImagePtr), -1,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-tristatevalue", "tristateValue", "TristateValue",
DEF_BUTTON_TRISTATE_VALUE, Tk_Offset(TkButton, tristateValuePtr), -1, 0, 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, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
};
static const Tk_OptionSpec radiobuttonOptionSpecs[] = {
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
0, 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, 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, DEF_BUTTON_BG_MONO, 0},
{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
NULL, 0, -1, 0, "-borderwidth", 0},
{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
NULL, 0, -1, 0, "-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",
tkDefButtonBorderWidth, 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,
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", NULL,
NULL, 0, -1, 0, "-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", tkDefButtonHighlightWidth,
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",
tkDefLabelPadx, Tk_Offset(TkButton, padXPtr),
Tk_Offset(TkButton, padX), 0, 0, 0},
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
tkDefLabelPady, 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, 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, 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_STRING, "-tristateimage", "tristateImage", "TristateImage",
DEF_BUTTON_IMAGE, Tk_Offset(TkButton, tristateImagePtr), -1,
TK_OPTION_NULL_OK, 0, 0},
{TK_OPTION_STRING, "-tristatevalue", "tristateValue", "TristateValue",
DEF_BUTTON_TRISTATE_VALUE, Tk_Offset(TkButton, tristateValuePtr), -1, 0, 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, NULL, NULL, NULL, 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 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(ClientData clientData);
static int ButtonCreate(ClientData clientData,
Tcl_Interp *interp, int objc,
Tcl_Obj *const objv[], int type);
static void ButtonEventProc(ClientData clientData,
XEvent *eventPtr);
static void ButtonImageProc(ClientData clientData,
int x, int y, int width, int height,
int imgWidth, int imgHeight);
static void ButtonSelectImageProc(ClientData clientData,
int x, int y, int width, int height,
int imgWidth, int imgHeight);
static void ButtonTristateImageProc(ClientData clientData,
int x, int y, int width, int height,
int imgWidth, int imgHeight);
static char * ButtonTextVarProc(ClientData clientData,
Tcl_Interp *interp, const char *name1,
const char *name2, int flags);
static char * ButtonVarProc(ClientData clientData,
Tcl_Interp *interp, const char *name1,
const char *name2, int flags);
static int ButtonWidgetObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc,
Tcl_Obj *const objv[]);
static int ConfigureButton(Tcl_Interp *interp, TkButton *butPtr,
int 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(
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 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 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 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(
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 =
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 = -1;
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 = 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->tristateValuePtr = NULL;
butPtr->cursor = None;
butPtr->takeFocusPtr = NULL;
butPtr->commandPtr = NULL;
butPtr->flags = 0;
Tk_CreateEventHandler(butPtr->tkwin,
ExposureMask|StructureNotifyMask|FocusChangeMask,
ButtonEventProc, 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_SetObjResult(interp, TkNewWindowObj(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(
ClientData clientData, /* Information about button widget. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument values. */
{
TkButton *butPtr = 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, (char *) 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, (char *) 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);
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(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 != 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_UntraceVar2(butPtr->interp, Tcl_GetString(butPtr->selVarNamePtr),
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
ButtonVarProc, butPtr);
}
Tk_FreeConfigOptions((char *) butPtr, butPtr->optionTable,
butPtr->tkwin);
butPtr->tkwin = NULL;
Tcl_EventuallyFree(butPtr, TCL_DYNAMIC);
}
/*
*----------------------------------------------------------------------
*
* ConfigureButton --
*
* This function 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(
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_UntraceVar2(interp, Tcl_GetString(butPtr->textVarNamePtr),
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
ButtonTextVarProc, butPtr);
}
if (butPtr->selVarNamePtr != NULL) {
Tcl_UntraceVar2(interp, Tcl_GetString(butPtr->selVarNamePtr),
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
ButtonVarProc, 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, 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;
butPtr->flags &= ~TRISTATED;
if (valuePtr != NULL) {
const char *value = Tcl_GetString(valuePtr);
if (strcmp(value, Tcl_GetString(butPtr->onValuePtr)) == 0) {
butPtr->flags |= SELECTED;
} else if (strcmp(value,
Tcl_GetString(butPtr->tristateValuePtr)) == 0) {
butPtr->flags |= TRISTATED;
/*
* For checkbuttons if the tristate value is the
* same as the offvalue then prefer off to tristate
*/
if (butPtr->offValuePtr
&& strcmp(value,
Tcl_GetString(butPtr->offValuePtr)) == 0) {
butPtr->flags &= ~TRISTATED;
}
}
} 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,
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, butPtr);
if (image == NULL) {
continue;
}
} else {
image = NULL;
}
if (butPtr->selectImage != NULL) {
Tk_FreeImage(butPtr->selectImage);
}
butPtr->selectImage = image;
if (butPtr->tristateImagePtr != NULL) {
image = Tk_GetImage(butPtr->interp, butPtr->tkwin,
Tcl_GetString(butPtr->tristateImagePtr),
ButtonTristateImageProc, butPtr);
if (image == NULL) {
continue;
}
} else {
image = NULL;
}
if (butPtr->tristateImage != NULL) {
Tk_FreeImage(butPtr->tristateImage);
}
butPtr->tristateImage = 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_TraceVar2(interp, Tcl_GetString(butPtr->textVarNamePtr),
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
ButtonTextVarProc, butPtr);
}
if (butPtr->selVarNamePtr != NULL) {
Tcl_TraceVar2(interp, Tcl_GetString(butPtr->selVarNamePtr),
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
ButtonVarProc, butPtr);
}
TkButtonWorldChanged(butPtr);
if (error) {
Tcl_SetObjResult(interp, errorResult);
Tcl_DecrRefCount(errorResult);
return TCL_ERROR;
} else {
return TCL_OK;
}
}
/*
*---------------------------------------------------------------------------
*
* TkButtonWorldChanged --
*
* This function 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(
ClientData instanceData) /* Information about widget. */
{
XGCValues gcValues;
GC newGC;
unsigned long mask;
TkButton *butPtr = 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, butPtr);
butPtr->flags |= REDRAW_PENDING;
}
}
/*
*--------------------------------------------------------------
*
* ButtonEventProc --
*
* This function 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 clientData, /* Information about window. */
XEvent *eventPtr) /* Information about event. */
{
TkButton *butPtr = 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, butPtr);
butPtr->flags |= REDRAW_PENDING;
}
}
/*
*----------------------------------------------------------------------
*
* ButtonCmdDeletedProc --
*
* This function 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) /* Pointer to widget record for widget. */
{
TkButton *butPtr = clientData;
/*
* This function could be invoked either because the window was destroyed
* and the command was then deleted or because the command was deleted,
* and then this function destroys the widget. The BUTTON_DELETED flag
* distinguishes these cases.
*/
if (!(butPtr->flags & BUTTON_DELETED)) {
Tk_DestroyWindow(butPtr->tkwin);
}
}
/*
*----------------------------------------------------------------------
*
* TkInvokeButton --
*
* This function is called to carry out the actions associated with a
* button, such as invoking a Tcl command or setting a variable. This
* function 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(
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 function 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 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 = clientData;
const char *value;
Tcl_Obj *valuePtr;
/*
* 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 | TRISTATED);
if ((flags & TCL_TRACE_DESTROYED) && !(flags & TCL_INTERP_DESTROYED)) {
Tcl_TraceVar2(interp, Tcl_GetString(butPtr->selVarNamePtr),
NULL, 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_ObjGetVar2(interp, butPtr->selVarNamePtr, NULL,
TCL_GLOBAL_ONLY);
if (valuePtr == NULL) {
value = Tcl_GetString(butPtr->tristateValuePtr);
} else {
value = Tcl_GetString(valuePtr);
}
if (strcmp(value, Tcl_GetString(butPtr->onValuePtr)) == 0) {
if (butPtr->flags & SELECTED) {
return NULL;
}
butPtr->flags |= SELECTED;
butPtr->flags &= ~TRISTATED;
} else if (butPtr->offValuePtr
&& strcmp(value, Tcl_GetString(butPtr->offValuePtr)) == 0) {
if (!(butPtr->flags & (SELECTED | TRISTATED))) {
return NULL;
}
butPtr->flags &= ~(SELECTED | TRISTATED);
} else if (strcmp(value, Tcl_GetString(butPtr->tristateValuePtr)) == 0) {
if (butPtr->flags & TRISTATED) {
return NULL;
}
butPtr->flags |= TRISTATED;
butPtr->flags &= ~SELECTED;
} else if (butPtr->flags & (SELECTED | TRISTATED)) {
butPtr->flags &= ~(SELECTED | TRISTATED);
} else {
return NULL;
}
redisplay:
if ((butPtr->tkwin != NULL) && Tk_IsMapped(butPtr->tkwin)
&& !(butPtr->flags & REDRAW_PENDING)) {
Tcl_DoWhenIdle(TkpDisplayButton, butPtr);
butPtr->flags |= REDRAW_PENDING;
}
return NULL;
}
/*
*--------------------------------------------------------------
*
* ButtonTextVarProc --
*
* This function 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 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 = clientData;
Tcl_Obj *valuePtr;
if (butPtr->flags & BUTTON_DELETED) {
return NULL;
}
/*
* 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_ObjSetVar2(interp, butPtr->textVarNamePtr, NULL,
butPtr->textPtr, TCL_GLOBAL_ONLY);
Tcl_TraceVar2(interp, Tcl_GetString(butPtr->textVarNamePtr),
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
ButtonTextVarProc, clientData);
}
return NULL;
}
valuePtr = Tcl_ObjGetVar2(interp, butPtr->textVarNamePtr, 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, butPtr);
butPtr->flags |= REDRAW_PENDING;
}
return NULL;
}
/*
*----------------------------------------------------------------------
*
* ButtonImageProc --
*
* This function 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 clientData, /* Pointer to widget record. */
int x, int y, /* Upper left pixel (within image) that must
* be redisplayed. */
int width, int height, /* Dimensions of area to redisplay (might be
* <= 0). */
int imgWidth, int imgHeight)/* New dimensions of image. */
{
register TkButton *butPtr = clientData;
if (butPtr->tkwin != NULL) {
TkpComputeButtonGeometry(butPtr);
if (Tk_IsMapped(butPtr->tkwin) && !(butPtr->flags & REDRAW_PENDING)) {
Tcl_DoWhenIdle(TkpDisplayButton, butPtr);
butPtr->flags |= REDRAW_PENDING;
}
}
}
/*
*----------------------------------------------------------------------
*
* ButtonSelectImageProc --
*
* This function 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 clientData, /* Pointer to widget record. */
int x, int y, /* Upper left pixel (within image) that must
* be redisplayed. */
int width, int height, /* Dimensions of area to redisplay (might be
* <= 0). */
int imgWidth, int imgHeight)/* New dimensions of image. */
{
register TkButton *butPtr = clientData;
#ifdef MAC_OSX_TK
if (butPtr->tkwin != NULL) {
TkpComputeButtonGeometry(butPtr);
}
#else
/*
* Don't recompute geometry: it's controlled by the primary image.
*/
#endif
if ((butPtr->flags & SELECTED) && (butPtr->tkwin != NULL)
&& Tk_IsMapped(butPtr->tkwin)
&& !(butPtr->flags & REDRAW_PENDING)) {
Tcl_DoWhenIdle(TkpDisplayButton, butPtr);
butPtr->flags |= REDRAW_PENDING;
}
}
/*
*----------------------------------------------------------------------
*
* ButtonTristateImageProc --
*
* This function 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
ButtonTristateImageProc(
ClientData clientData, /* Pointer to widget record. */
int x, int y, /* Upper left pixel (within image) that must
* be redisplayed. */
int width, int height, /* Dimensions of area to redisplay (might be
* <= 0). */
int imgWidth, int imgHeight)/* New dimensions of image. */
{
register TkButton *butPtr = clientData;
#ifdef MAC_OSX_TK
if (butPtr->tkwin != NULL) {
TkpComputeButtonGeometry(butPtr);
}
#else
/*
* Don't recompute geometry: it's controlled by the primary image.
*/
#endif
if ((butPtr->flags & TRISTATED) && (butPtr->tkwin != NULL)
&& Tk_IsMapped(butPtr->tkwin)
&& !(butPtr->flags & REDRAW_PENDING)) {
Tcl_DoWhenIdle(TkpDisplayButton, butPtr);
butPtr->flags |= REDRAW_PENDING;
}
}
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/