1932 lines
63 KiB
C
1932 lines
63 KiB
C
/*
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* tkButton.c --
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*
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* This module implements a collection of button-like widgets for the Tk
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* toolkit. The widgets implemented include buttons, checkbuttons,
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* radiobuttons, and labels.
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*
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* Copyright (c) 1990-1994 The Regents of the University of California.
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* Copyright (c) 1994-1998 Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution of
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* this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*/
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#include "tkInt.h"
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#include "tkButton.h"
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#include "default.h"
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typedef struct {
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int defaultsInitialized;
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} ThreadSpecificData;
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static Tcl_ThreadDataKey dataKey;
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/*
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* Class names for buttons, indexed by one of the type values defined in
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* tkButton.h.
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*/
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static const char *const classNames[] = {"Label", "Button", "Checkbutton", "Radiobutton"};
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/*
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* The following table defines the legal values for the -default option. It is
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* used together with the "enum defaultValue" declaration in tkButton.h.
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*/
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static const char *const defaultStrings[] = {
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"active", "disabled", "normal", NULL
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};
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/*
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* The following table defines the legal values for the -state option.
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* It is used together with the "enum state" declaration in tkButton.h.
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*/
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static const char *const stateStrings[] = {
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"active", "disabled", "normal", NULL
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};
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/*
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* The following table defines the legal values for the -compound option.
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* It is used with the "enum compound" declaration in tkButton.h
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*/
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static const char *const compoundStrings[] = {
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"bottom", "center", "left", "none", "right", "top", NULL
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};
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char tkDefButtonHighlightWidth[TCL_INTEGER_SPACE] = DEF_BUTTON_HIGHLIGHT_WIDTH;
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char tkDefButtonPadx[TCL_INTEGER_SPACE] = DEF_BUTTON_PADX;
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char tkDefButtonPady[TCL_INTEGER_SPACE] = DEF_BUTTON_PADY;
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char tkDefButtonBorderWidth[TCL_INTEGER_SPACE] = DEF_BUTTON_BORDER_WIDTH;
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char tkDefLabelHighlightWidth[TCL_INTEGER_SPACE] = DEF_LABEL_HIGHLIGHT_WIDTH;
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char tkDefLabelPadx[TCL_INTEGER_SPACE] = DEF_LABCHKRAD_PADX;
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char tkDefLabelPady[TCL_INTEGER_SPACE] = DEF_LABCHKRAD_PADY;
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/*
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* Information used for parsing configuration options. There is a
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* separate table for each of the four widget classes.
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*/
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static const Tk_OptionSpec labelOptionSpecs[] = {
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{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
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DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
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0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
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{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
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DEF_BUTTON_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
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TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
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{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
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DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
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{TK_OPTION_BORDER, "-background", "background", "Background",
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DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
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0, DEF_BUTTON_BG_MONO, 0},
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{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
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NULL, 0, -1, 0, "-borderwidth", 0},
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{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
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NULL, 0, -1, 0, "-background", 0},
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{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
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DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
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tkDefButtonBorderWidth, Tk_Offset(TkButton, borderWidthPtr),
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Tk_Offset(TkButton, borderWidth), 0, 0, 0},
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{TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
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DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
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compoundStrings, 0},
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{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
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DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
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"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
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-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
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(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
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{TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
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NULL, 0, -1, 0, "-foreground", 0},
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{TK_OPTION_FONT, "-font", "font", "Font",
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DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
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{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
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DEF_BUTTON_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
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{TK_OPTION_STRING, "-height", "height", "Height",
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DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
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{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
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"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
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-1, Tk_Offset(TkButton, highlightBorder), 0,
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(ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
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{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
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DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
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0, 0, 0},
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{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
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"HighlightThickness", tkDefLabelHighlightWidth,
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Tk_Offset(TkButton, highlightWidthPtr),
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Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
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{TK_OPTION_STRING, "-image", "image", "Image",
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DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
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DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
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{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
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tkDefLabelPadx, Tk_Offset(TkButton, padXPtr),
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Tk_Offset(TkButton, padX), 0, 0, 0},
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{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
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tkDefLabelPady, Tk_Offset(TkButton, padYPtr),
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Tk_Offset(TkButton, padY), 0, 0, 0},
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{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
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DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
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{TK_OPTION_STRING_TABLE, "-state", "state", "State",
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DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
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0, stateStrings, 0},
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{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
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DEF_LABEL_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_STRING, "-text", "text", "Text",
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DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
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{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
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DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_INT, "-underline", "underline", "Underline",
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DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
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{TK_OPTION_STRING, "-width", "width", "Width",
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DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
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{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
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DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
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Tk_Offset(TkButton, wrapLength), 0, 0, 0},
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{TK_OPTION_END, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0}
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};
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static const Tk_OptionSpec buttonOptionSpecs[] = {
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{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
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DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
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0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
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{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
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DEF_BUTTON_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
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TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
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{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
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DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
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{TK_OPTION_BORDER, "-background", "background", "Background",
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DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
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0, DEF_BUTTON_BG_MONO, 0},
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{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
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NULL, 0, -1, 0, "-borderwidth", 0},
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{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
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NULL, 0, -1, 0, "-background", 0},
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{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
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DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
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tkDefButtonBorderWidth, Tk_Offset(TkButton, borderWidthPtr),
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Tk_Offset(TkButton, borderWidth), 0, 0, 0},
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{TK_OPTION_STRING, "-command", "command", "Command",
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DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1,
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
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DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
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compoundStrings, 0},
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{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
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DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_STRING_TABLE, "-default", "default", "Default",
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DEF_BUTTON_DEFAULT, -1, Tk_Offset(TkButton, defaultState),
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0, defaultStrings, 0},
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{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
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"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
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-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
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(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
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{TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
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NULL, 0, -1, 0, "-foreground", 0},
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{TK_OPTION_FONT, "-font", "font", "Font",
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DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
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{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
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DEF_BUTTON_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
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{TK_OPTION_STRING, "-height", "height", "Height",
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DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
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{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
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"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
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-1, Tk_Offset(TkButton, highlightBorder), 0,
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(ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
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{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
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DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
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0, 0, 0},
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{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
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"HighlightThickness", tkDefButtonHighlightWidth,
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Tk_Offset(TkButton, highlightWidthPtr),
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Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
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{TK_OPTION_STRING, "-image", "image", "Image",
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DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
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DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
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{TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief",
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DEF_BUTTON_OVER_RELIEF, -1, Tk_Offset(TkButton, overRelief),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
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tkDefButtonPadx, Tk_Offset(TkButton, padXPtr),
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Tk_Offset(TkButton, padX), 0, 0, 0},
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{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
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tkDefButtonPady, Tk_Offset(TkButton, padYPtr),
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Tk_Offset(TkButton, padY), 0, 0, 0},
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{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
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DEF_BUTTON_RELIEF, -1, Tk_Offset(TkButton, relief),
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0, 0, 0},
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{TK_OPTION_INT, "-repeatdelay", "repeatDelay", "RepeatDelay",
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DEF_BUTTON_REPEAT_DELAY, -1, Tk_Offset(TkButton, repeatDelay),
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0, 0, 0},
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{TK_OPTION_INT, "-repeatinterval", "repeatInterval", "RepeatInterval",
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DEF_BUTTON_REPEAT_INTERVAL, -1, Tk_Offset(TkButton, repeatInterval),
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0, 0, 0},
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{TK_OPTION_STRING_TABLE, "-state", "state", "State",
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DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
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0, stateStrings, 0},
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{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
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DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_STRING, "-text", "text", "Text",
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DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
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{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
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DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_INT, "-underline", "underline", "Underline",
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DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
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{TK_OPTION_STRING, "-width", "width", "Width",
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DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
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{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
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DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
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Tk_Offset(TkButton, wrapLength), 0, 0, 0},
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{TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
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};
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static const Tk_OptionSpec checkbuttonOptionSpecs[] = {
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{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
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DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
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0, DEF_BUTTON_ACTIVE_BG_MONO, 0},
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{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
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DEF_CHKRAD_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
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TK_OPTION_NULL_OK, DEF_BUTTON_ACTIVE_FG_MONO, 0},
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{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
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DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
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{TK_OPTION_BORDER, "-background", "background", "Background",
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DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
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0, DEF_BUTTON_BG_MONO, 0},
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{TK_OPTION_SYNONYM, "-bd", NULL, NULL,
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NULL, 0, -1, 0, "-borderwidth", 0},
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{TK_OPTION_SYNONYM, "-bg", NULL, NULL,
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NULL, 0, -1, 0, "-background", 0},
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{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
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DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
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tkDefButtonBorderWidth, Tk_Offset(TkButton, borderWidthPtr),
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Tk_Offset(TkButton, borderWidth), 0, 0, 0},
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{TK_OPTION_STRING, "-command", "command", "Command",
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DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1,
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_STRING_TABLE, "-compound", "compound", "Compound",
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DEF_BUTTON_COMPOUND, -1, Tk_Offset(TkButton, compound), 0,
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compoundStrings, 0},
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{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
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DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
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"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
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-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
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(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
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{TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
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NULL, 0, -1, 0, "-foreground", 0},
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{TK_OPTION_FONT, "-font", "font", "Font",
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DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
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{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
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DEF_CHKRAD_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
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{TK_OPTION_STRING, "-height", "height", "Height",
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DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
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{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
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"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
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-1, Tk_Offset(TkButton, highlightBorder), 0,
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(ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
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{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
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DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
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0, 0, 0},
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{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
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"HighlightThickness", tkDefButtonHighlightWidth,
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Tk_Offset(TkButton, highlightWidthPtr),
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Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
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{TK_OPTION_STRING, "-image", "image", "Image",
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DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
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TK_OPTION_NULL_OK, 0, 0},
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{TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn",
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DEF_BUTTON_INDICATOR, -1, Tk_Offset(TkButton, indicatorOn), 0, 0, 0},
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{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
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DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
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{TK_OPTION_RELIEF, "-offrelief", "offRelief", "OffRelief",
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DEF_BUTTON_RELIEF, -1, Tk_Offset(TkButton, offRelief), 0, 0, 0},
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{TK_OPTION_STRING, "-offvalue", "offValue", "Value",
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DEF_BUTTON_OFF_VALUE, Tk_Offset(TkButton, offValuePtr), -1, 0, 0, 0},
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{TK_OPTION_STRING, "-onvalue", "onValue", "Value",
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DEF_BUTTON_ON_VALUE, Tk_Offset(TkButton, onValuePtr), -1, 0, 0, 0},
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{TK_OPTION_RELIEF, "-overrelief", "overRelief", "OverRelief",
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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 = NULL;
|
||
butPtr->activeTextGC = NULL;
|
||
butPtr->disabledGC = NULL;
|
||
butPtr->stippleGC = NULL;
|
||
butPtr->gray = None;
|
||
butPtr->copyGC = NULL;
|
||
butPtr->widthPtr = NULL;
|
||
butPtr->width = 0;
|
||
butPtr->heightPtr = NULL;
|
||
butPtr->height = 0;
|
||
butPtr->wrapLengthPtr = NULL;
|
||
butPtr->wrapLength = 0;
|
||
butPtr->padXPtr = NULL;
|
||
butPtr->padX = 0;
|
||
butPtr->padYPtr = NULL;
|
||
butPtr->padY = 0;
|
||
butPtr->anchor = TK_ANCHOR_CENTER;
|
||
butPtr->justify = TK_JUSTIFY_CENTER;
|
||
butPtr->indicatorOn = 0;
|
||
butPtr->selectBorder = NULL;
|
||
butPtr->textWidth = 0;
|
||
butPtr->textHeight = 0;
|
||
butPtr->textLayout = NULL;
|
||
butPtr->indicatorSpace = 0;
|
||
butPtr->indicatorDiameter = 0;
|
||
butPtr->defaultState = DEFAULT_DISABLED;
|
||
butPtr->selVarNamePtr = NULL;
|
||
butPtr->onValuePtr = NULL;
|
||
butPtr->offValuePtr = NULL;
|
||
butPtr->tristateValuePtr = NULL;
|
||
butPtr->cursor = NULL;
|
||
butPtr->takeFocusPtr = NULL;
|
||
butPtr->commandPtr = NULL;
|
||
butPtr->flags = 0;
|
||
|
||
Tk_CreateEventHandler(butPtr->tkwin,
|
||
ExposureMask|StructureNotifyMask|FocusChangeMask,
|
||
ButtonEventProc, butPtr);
|
||
|
||
if (Tk_InitOptions(interp, (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);
|
||
(void)XFlush(butPtr->display);
|
||
#ifndef MAC_OSX_TK
|
||
/*
|
||
* On the mac you can not sleep in a display proc, and the
|
||
* flash command doesn't do anything anyway.
|
||
*/
|
||
Tcl_Sleep(50);
|
||
#endif
|
||
}
|
||
}
|
||
break;
|
||
|
||
case COMMAND_INVOKE:
|
||
if (objc > 2) {
|
||
Tcl_WrongNumArgs(interp, 1, objv, "invoke");
|
||
goto error;
|
||
}
|
||
if (butPtr->state != STATE_DISABLED) {
|
||
result = TkInvokeButton(butPtr);
|
||
}
|
||
break;
|
||
|
||
case COMMAND_SELECT:
|
||
if (objc > 2) {
|
||
Tcl_WrongNumArgs(interp, 1, objv, "select");
|
||
goto error;
|
||
}
|
||
if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL,
|
||
butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
||
== NULL) {
|
||
goto error;
|
||
}
|
||
break;
|
||
|
||
case COMMAND_TOGGLE:
|
||
if (objc > 2) {
|
||
Tcl_WrongNumArgs(interp, 1, objv, "toggle");
|
||
goto error;
|
||
}
|
||
if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL,
|
||
(butPtr->flags & SELECTED) ? butPtr->offValuePtr
|
||
: butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
||
== NULL) {
|
||
goto error;
|
||
}
|
||
break;
|
||
}
|
||
Tcl_Release(butPtr);
|
||
return result;
|
||
|
||
error:
|
||
Tcl_Release(butPtr);
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* DestroyButton --
|
||
*
|
||
* This function is invoked by ButtonEventProc to free all the resources
|
||
* of a button and clean up its state.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Everything associated with the widget is freed.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
DestroyButton(
|
||
TkButton *butPtr) /* Info about button widget. */
|
||
{
|
||
butPtr->flags |= BUTTON_DELETED;
|
||
TkpDestroyButton(butPtr);
|
||
|
||
if (butPtr->flags & REDRAW_PENDING) {
|
||
Tcl_CancelIdleCall(TkpDisplayButton, butPtr);
|
||
}
|
||
|
||
/*
|
||
* Free up all the stuff that requires special handling, then let
|
||
* Tk_FreeOptions handle all the standard option-related stuff.
|
||
*/
|
||
|
||
Tcl_DeleteCommandFromToken(butPtr->interp, butPtr->widgetCmd);
|
||
if (butPtr->textVarNamePtr != NULL) {
|
||
Tcl_UntraceVar2(butPtr->interp, Tcl_GetString(butPtr->textVarNamePtr),
|
||
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
||
ButtonTextVarProc, butPtr);
|
||
}
|
||
if (butPtr->image != NULL) {
|
||
Tk_FreeImage(butPtr->image);
|
||
}
|
||
if (butPtr->selectImage != NULL) {
|
||
Tk_FreeImage(butPtr->selectImage);
|
||
}
|
||
if (butPtr->tristateImage != NULL) {
|
||
Tk_FreeImage(butPtr->tristateImage);
|
||
}
|
||
if (butPtr->normalTextGC != NULL) {
|
||
Tk_FreeGC(butPtr->display, butPtr->normalTextGC);
|
||
}
|
||
if (butPtr->activeTextGC != NULL) {
|
||
Tk_FreeGC(butPtr->display, butPtr->activeTextGC);
|
||
}
|
||
if (butPtr->disabledGC != NULL) {
|
||
Tk_FreeGC(butPtr->display, butPtr->disabledGC);
|
||
}
|
||
if (butPtr->stippleGC != NULL) {
|
||
Tk_FreeGC(butPtr->display, butPtr->stippleGC);
|
||
}
|
||
if (butPtr->gray != None) {
|
||
Tk_FreeBitmap(butPtr->display, butPtr->gray);
|
||
}
|
||
if (butPtr->copyGC != NULL) {
|
||
Tk_FreeGC(butPtr->display, butPtr->copyGC);
|
||
}
|
||
if (butPtr->textLayout != NULL) {
|
||
Tk_FreeTextLayout(butPtr->textLayout);
|
||
}
|
||
if (butPtr->selVarNamePtr != NULL) {
|
||
Tcl_UntraceVar2(butPtr->interp, Tcl_GetString(butPtr->selVarNamePtr),
|
||
NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
||
ButtonVarProc, butPtr);
|
||
}
|
||
Tk_FreeConfigOptions((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 != NULL) {
|
||
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 != NULL) {
|
||
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 == NULL) {
|
||
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 != NULL) {
|
||
Tk_FreeGC(butPtr->display, butPtr->disabledGC);
|
||
}
|
||
butPtr->disabledGC = newGC;
|
||
|
||
if (butPtr->copyGC == NULL) {
|
||
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 (!Tcl_InterpDeleted(interp)) {
|
||
ClientData probe = NULL;
|
||
|
||
do {
|
||
probe = Tcl_VarTraceInfo(interp,
|
||
Tcl_GetString(butPtr->selVarNamePtr),
|
||
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
||
ButtonVarProc, probe);
|
||
if (probe == (ClientData)butPtr) {
|
||
break;
|
||
}
|
||
} while (probe);
|
||
if (probe) {
|
||
/*
|
||
* We were able to fetch the unset trace for our
|
||
* selVarNamePtr, which means it is not unset and not
|
||
* the cause of this unset trace. Instead some outdated
|
||
* former variable must be, and we should ignore it.
|
||
*/
|
||
goto redisplay;
|
||
}
|
||
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 (!Tcl_InterpDeleted(interp) && butPtr->textVarNamePtr != NULL) {
|
||
|
||
/*
|
||
* An unset trace on some variable brought us here, but is it
|
||
* the variable we have stored in butPtr->textVarNamePtr ?
|
||
*/
|
||
|
||
ClientData probe = NULL;
|
||
|
||
do {
|
||
probe = Tcl_VarTraceInfo(interp,
|
||
Tcl_GetString(butPtr->textVarNamePtr),
|
||
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
||
ButtonTextVarProc, probe);
|
||
if (probe == (ClientData)butPtr) {
|
||
break;
|
||
}
|
||
} while (probe);
|
||
if (probe) {
|
||
/*
|
||
* We were able to fetch the unset trace for our
|
||
* textVarNamePtr, which means it is not unset and not
|
||
* the cause of this unset trace. Instead some outdated
|
||
* former textvariable must be, and we should ignore it.
|
||
*/
|
||
return NULL;
|
||
}
|
||
|
||
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:
|
||
*/
|