| 1 |
/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tk_base/tkbutton.c,v 1.1.1.1 2001/06/13 04:54:45 dtashley Exp $ */
|
| 2 |
|
| 3 |
/*
|
| 4 |
* tkButton.c --
|
| 5 |
*
|
| 6 |
* This module implements a collection of button-like
|
| 7 |
* widgets for the Tk toolkit. The widgets implemented
|
| 8 |
* include labels, buttons, checkbuttons, and radiobuttons.
|
| 9 |
*
|
| 10 |
* Copyright (c) 1990-1994 The Regents of the University of California.
|
| 11 |
* Copyright (c) 1994-1998 Sun Microsystems, Inc.
|
| 12 |
*
|
| 13 |
* See the file "license.terms" for information on usage and redistribution
|
| 14 |
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
| 15 |
*
|
| 16 |
* RCS: @(#) $Id: tkbutton.c,v 1.1.1.1 2001/06/13 04:54:45 dtashley Exp $
|
| 17 |
*/
|
| 18 |
|
| 19 |
#include "tkButton.h"
|
| 20 |
#include "default.h"
|
| 21 |
|
| 22 |
/*
|
| 23 |
* Class names for buttons, indexed by one of the type values defined
|
| 24 |
* in tkButton.h.
|
| 25 |
*/
|
| 26 |
|
| 27 |
static char *classNames[] = {"Label", "Button", "Checkbutton", "Radiobutton"};
|
| 28 |
|
| 29 |
/*
|
| 30 |
* The following table defines the legal values for the -default option.
|
| 31 |
* It is used together with the "enum defaultValue" declaration in tkButton.h.
|
| 32 |
*/
|
| 33 |
|
| 34 |
static char *defaultStrings[] = {
|
| 35 |
"active", "disabled", "normal", (char *) NULL
|
| 36 |
};
|
| 37 |
|
| 38 |
/*
|
| 39 |
* The following table defines the legal values for the -state option.
|
| 40 |
* It is used together with the "enum state" declaration in tkButton.h.
|
| 41 |
*/
|
| 42 |
|
| 43 |
static char *stateStrings[] = {
|
| 44 |
"active", "disabled", "normal", (char *) NULL
|
| 45 |
};
|
| 46 |
|
| 47 |
/*
|
| 48 |
* Information used for parsing configuration options. There is a
|
| 49 |
* separate table for each of the four widget classes.
|
| 50 |
*/
|
| 51 |
|
| 52 |
static Tk_OptionSpec labelOptionSpecs[] = {
|
| 53 |
{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
|
| 54 |
DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
|
| 55 |
{TK_OPTION_BORDER, "-background", "background", "Background",
|
| 56 |
DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
|
| 57 |
0, (ClientData) DEF_BUTTON_BG_MONO, 0},
|
| 58 |
{TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
|
| 59 |
(char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
|
| 60 |
{TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
|
| 61 |
(char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
|
| 62 |
{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
|
| 63 |
DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
|
| 64 |
TK_OPTION_NULL_OK, 0, 0},
|
| 65 |
{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
|
| 66 |
DEF_BUTTON_BORDER_WIDTH, Tk_Offset(TkButton, borderWidthPtr),
|
| 67 |
Tk_Offset(TkButton, borderWidth), 0, 0, 0},
|
| 68 |
{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
|
| 69 |
DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
|
| 70 |
TK_OPTION_NULL_OK, 0, 0},
|
| 71 |
{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
|
| 72 |
"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
|
| 73 |
-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
|
| 74 |
(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
|
| 75 |
{TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
|
| 76 |
(char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
|
| 77 |
{TK_OPTION_FONT, "-font", "font", "Font",
|
| 78 |
DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
|
| 79 |
{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
|
| 80 |
DEF_BUTTON_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
|
| 81 |
{TK_OPTION_STRING, "-height", "height", "Height",
|
| 82 |
DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
|
| 83 |
{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
|
| 84 |
"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
|
| 85 |
-1, Tk_Offset(TkButton, highlightBorder), 0,
|
| 86 |
(ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
|
| 87 |
{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
|
| 88 |
DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
|
| 89 |
0, 0, 0},
|
| 90 |
{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
|
| 91 |
"HighlightThickness", DEF_LABEL_HIGHLIGHT_WIDTH,
|
| 92 |
Tk_Offset(TkButton, highlightWidthPtr),
|
| 93 |
Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
|
| 94 |
{TK_OPTION_STRING, "-image", "image", "Image",
|
| 95 |
DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
|
| 96 |
TK_OPTION_NULL_OK, 0, 0},
|
| 97 |
{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
|
| 98 |
DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
|
| 99 |
{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
|
| 100 |
DEF_LABCHKRAD_PADX, Tk_Offset(TkButton, padXPtr),
|
| 101 |
Tk_Offset(TkButton, padX), 0, 0, 0},
|
| 102 |
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
|
| 103 |
DEF_LABCHKRAD_PADY, Tk_Offset(TkButton, padYPtr),
|
| 104 |
Tk_Offset(TkButton, padY), 0, 0, 0},
|
| 105 |
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
|
| 106 |
DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
|
| 107 |
{TK_OPTION_STRING_TABLE, "-state", "state", "State",
|
| 108 |
DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
|
| 109 |
0, (ClientData) stateStrings, 0},
|
| 110 |
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
|
| 111 |
DEF_LABEL_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
|
| 112 |
TK_OPTION_NULL_OK, 0, 0},
|
| 113 |
{TK_OPTION_STRING, "-text", "text", "Text",
|
| 114 |
DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
|
| 115 |
{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
|
| 116 |
DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
|
| 117 |
TK_OPTION_NULL_OK, 0, 0},
|
| 118 |
{TK_OPTION_INT, "-underline", "underline", "Underline",
|
| 119 |
DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
|
| 120 |
{TK_OPTION_STRING, "-width", "width", "Width",
|
| 121 |
DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
|
| 122 |
{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
|
| 123 |
DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
|
| 124 |
Tk_Offset(TkButton, wrapLength), 0, 0, 0},
|
| 125 |
{TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
|
| 126 |
(char *) NULL, 0, 0, 0, 0}
|
| 127 |
};
|
| 128 |
|
| 129 |
static Tk_OptionSpec buttonOptionSpecs[] = {
|
| 130 |
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
|
| 131 |
DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
|
| 132 |
0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
|
| 133 |
{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
|
| 134 |
DEF_BUTTON_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
|
| 135 |
TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
|
| 136 |
{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
|
| 137 |
DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
|
| 138 |
{TK_OPTION_BORDER, "-background", "background", "Background",
|
| 139 |
DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
|
| 140 |
0, (ClientData) DEF_BUTTON_BG_MONO, 0},
|
| 141 |
{TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
|
| 142 |
(char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
|
| 143 |
{TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
|
| 144 |
(char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
|
| 145 |
{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
|
| 146 |
DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
|
| 147 |
TK_OPTION_NULL_OK, 0, 0},
|
| 148 |
{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
|
| 149 |
DEF_BUTTON_BORDER_WIDTH, Tk_Offset(TkButton, borderWidthPtr),
|
| 150 |
Tk_Offset(TkButton, borderWidth), 0, 0, 0},
|
| 151 |
{TK_OPTION_STRING, "-command", "command", "Command",
|
| 152 |
DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1,
|
| 153 |
TK_OPTION_NULL_OK, 0, 0},
|
| 154 |
{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
|
| 155 |
DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
|
| 156 |
TK_OPTION_NULL_OK, 0, 0},
|
| 157 |
{TK_OPTION_STRING_TABLE, "-default", "default", "Default",
|
| 158 |
DEF_BUTTON_DEFAULT, -1, Tk_Offset(TkButton, defaultState),
|
| 159 |
0, (ClientData) defaultStrings, 0},
|
| 160 |
{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
|
| 161 |
"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
|
| 162 |
-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
|
| 163 |
(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
|
| 164 |
{TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
|
| 165 |
(char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
|
| 166 |
{TK_OPTION_FONT, "-font", "font", "Font",
|
| 167 |
DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
|
| 168 |
{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
|
| 169 |
DEF_BUTTON_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
|
| 170 |
{TK_OPTION_STRING, "-height", "height", "Height",
|
| 171 |
DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
|
| 172 |
{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
|
| 173 |
"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
|
| 174 |
-1, Tk_Offset(TkButton, highlightBorder), 0,
|
| 175 |
(ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
|
| 176 |
{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
|
| 177 |
DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
|
| 178 |
0, 0, 0},
|
| 179 |
{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
|
| 180 |
"HighlightThickness", DEF_BUTTON_HIGHLIGHT_WIDTH,
|
| 181 |
Tk_Offset(TkButton, highlightWidthPtr),
|
| 182 |
Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
|
| 183 |
{TK_OPTION_STRING, "-image", "image", "Image",
|
| 184 |
DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
|
| 185 |
TK_OPTION_NULL_OK, 0, 0},
|
| 186 |
{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
|
| 187 |
DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
|
| 188 |
{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
|
| 189 |
DEF_BUTTON_PADX, Tk_Offset(TkButton, padXPtr),
|
| 190 |
Tk_Offset(TkButton, padX), 0, 0, 0},
|
| 191 |
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
|
| 192 |
DEF_BUTTON_PADY, Tk_Offset(TkButton, padYPtr),
|
| 193 |
Tk_Offset(TkButton, padY), 0, 0, 0},
|
| 194 |
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
|
| 195 |
DEF_BUTTON_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
|
| 196 |
{TK_OPTION_STRING_TABLE, "-state", "state", "State",
|
| 197 |
DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
|
| 198 |
0, (ClientData) stateStrings, 0},
|
| 199 |
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
|
| 200 |
DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
|
| 201 |
TK_OPTION_NULL_OK, 0, 0},
|
| 202 |
{TK_OPTION_STRING, "-text", "text", "Text",
|
| 203 |
DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
|
| 204 |
{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
|
| 205 |
DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
|
| 206 |
TK_OPTION_NULL_OK, 0, 0},
|
| 207 |
{TK_OPTION_INT, "-underline", "underline", "Underline",
|
| 208 |
DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
|
| 209 |
{TK_OPTION_STRING, "-width", "width", "Width",
|
| 210 |
DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
|
| 211 |
{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
|
| 212 |
DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
|
| 213 |
Tk_Offset(TkButton, wrapLength), 0, 0, 0},
|
| 214 |
{TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
|
| 215 |
(char *) NULL, 0, -1, 0, 0, 0}
|
| 216 |
};
|
| 217 |
|
| 218 |
static Tk_OptionSpec checkbuttonOptionSpecs[] = {
|
| 219 |
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
|
| 220 |
DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
|
| 221 |
0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
|
| 222 |
{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
|
| 223 |
DEF_CHKRAD_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
|
| 224 |
TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
|
| 225 |
{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
|
| 226 |
DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
|
| 227 |
{TK_OPTION_BORDER, "-background", "background", "Background",
|
| 228 |
DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
|
| 229 |
0, (ClientData) DEF_BUTTON_BG_MONO, 0},
|
| 230 |
{TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
|
| 231 |
(char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
|
| 232 |
{TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
|
| 233 |
(char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
|
| 234 |
{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
|
| 235 |
DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
|
| 236 |
TK_OPTION_NULL_OK, 0, 0},
|
| 237 |
{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
|
| 238 |
DEF_BUTTON_BORDER_WIDTH, Tk_Offset(TkButton, borderWidthPtr),
|
| 239 |
Tk_Offset(TkButton, borderWidth), 0, 0, 0},
|
| 240 |
{TK_OPTION_STRING, "-command", "command", "Command",
|
| 241 |
DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1,
|
| 242 |
TK_OPTION_NULL_OK, 0, 0},
|
| 243 |
{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
|
| 244 |
DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
|
| 245 |
TK_OPTION_NULL_OK, 0, 0},
|
| 246 |
{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
|
| 247 |
"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
|
| 248 |
-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
|
| 249 |
(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
|
| 250 |
{TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
|
| 251 |
(char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
|
| 252 |
{TK_OPTION_FONT, "-font", "font", "Font",
|
| 253 |
DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
|
| 254 |
{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
|
| 255 |
DEF_CHKRAD_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
|
| 256 |
{TK_OPTION_STRING, "-height", "height", "Height",
|
| 257 |
DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
|
| 258 |
{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
|
| 259 |
"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
|
| 260 |
-1, Tk_Offset(TkButton, highlightBorder), 0,
|
| 261 |
(ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
|
| 262 |
{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
|
| 263 |
DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
|
| 264 |
0, 0, 0},
|
| 265 |
{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
|
| 266 |
"HighlightThickness", DEF_BUTTON_HIGHLIGHT_WIDTH,
|
| 267 |
Tk_Offset(TkButton, highlightWidthPtr),
|
| 268 |
Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
|
| 269 |
{TK_OPTION_STRING, "-image", "image", "Image",
|
| 270 |
DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
|
| 271 |
TK_OPTION_NULL_OK, 0, 0},
|
| 272 |
{TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn",
|
| 273 |
DEF_BUTTON_INDICATOR, -1, Tk_Offset(TkButton, indicatorOn), 0, 0, 0},
|
| 274 |
{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
|
| 275 |
DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
|
| 276 |
{TK_OPTION_STRING, "-offvalue", "offValue", "Value",
|
| 277 |
DEF_BUTTON_OFF_VALUE, Tk_Offset(TkButton, offValuePtr), -1, 0, 0, 0},
|
| 278 |
{TK_OPTION_STRING, "-onvalue", "onValue", "Value",
|
| 279 |
DEF_BUTTON_ON_VALUE, Tk_Offset(TkButton, onValuePtr), -1, 0, 0, 0},
|
| 280 |
{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
|
| 281 |
DEF_LABCHKRAD_PADX, Tk_Offset(TkButton, padXPtr),
|
| 282 |
Tk_Offset(TkButton, padX), 0, 0, 0},
|
| 283 |
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
|
| 284 |
DEF_LABCHKRAD_PADY, Tk_Offset(TkButton, padYPtr),
|
| 285 |
Tk_Offset(TkButton, padY), 0, 0, 0},
|
| 286 |
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
|
| 287 |
DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
|
| 288 |
{TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background",
|
| 289 |
DEF_BUTTON_SELECT_COLOR, -1, Tk_Offset(TkButton, selectBorder),
|
| 290 |
TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_SELECT_MONO, 0},
|
| 291 |
{TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage",
|
| 292 |
DEF_BUTTON_SELECT_IMAGE, Tk_Offset(TkButton, selectImagePtr), -1,
|
| 293 |
TK_OPTION_NULL_OK, 0, 0},
|
| 294 |
{TK_OPTION_STRING_TABLE, "-state", "state", "State",
|
| 295 |
DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
|
| 296 |
0, (ClientData) stateStrings, 0},
|
| 297 |
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
|
| 298 |
DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
|
| 299 |
TK_OPTION_NULL_OK, 0, 0},
|
| 300 |
{TK_OPTION_STRING, "-text", "text", "Text",
|
| 301 |
DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
|
| 302 |
{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
|
| 303 |
DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
|
| 304 |
TK_OPTION_NULL_OK, 0, 0},
|
| 305 |
{TK_OPTION_INT, "-underline", "underline", "Underline",
|
| 306 |
DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
|
| 307 |
{TK_OPTION_STRING, "-variable", "variable", "Variable",
|
| 308 |
DEF_CHECKBUTTON_VARIABLE, Tk_Offset(TkButton, selVarNamePtr), -1,
|
| 309 |
TK_OPTION_NULL_OK, 0, 0},
|
| 310 |
{TK_OPTION_STRING, "-width", "width", "Width",
|
| 311 |
DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
|
| 312 |
{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
|
| 313 |
DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
|
| 314 |
Tk_Offset(TkButton, wrapLength), 0, 0, 0},
|
| 315 |
{TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
|
| 316 |
(char *) NULL, 0, -1, 0, 0, 0}
|
| 317 |
};
|
| 318 |
|
| 319 |
static Tk_OptionSpec radiobuttonOptionSpecs[] = {
|
| 320 |
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
|
| 321 |
DEF_BUTTON_ACTIVE_BG_COLOR, -1, Tk_Offset(TkButton, activeBorder),
|
| 322 |
0, (ClientData) DEF_BUTTON_ACTIVE_BG_MONO, 0},
|
| 323 |
{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
|
| 324 |
DEF_CHKRAD_ACTIVE_FG_COLOR, -1, Tk_Offset(TkButton, activeFg),
|
| 325 |
TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_ACTIVE_FG_MONO, 0},
|
| 326 |
{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
|
| 327 |
DEF_BUTTON_ANCHOR, -1, Tk_Offset(TkButton, anchor), 0, 0, 0},
|
| 328 |
{TK_OPTION_BORDER, "-background", "background", "Background",
|
| 329 |
DEF_BUTTON_BG_COLOR, -1, Tk_Offset(TkButton, normalBorder),
|
| 330 |
0, (ClientData) DEF_BUTTON_BG_MONO, 0},
|
| 331 |
{TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
|
| 332 |
(char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
|
| 333 |
{TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
|
| 334 |
(char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
|
| 335 |
{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
|
| 336 |
DEF_BUTTON_BITMAP, -1, Tk_Offset(TkButton, bitmap),
|
| 337 |
TK_OPTION_NULL_OK, 0, 0},
|
| 338 |
{TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
|
| 339 |
DEF_BUTTON_BORDER_WIDTH, Tk_Offset(TkButton, borderWidthPtr),
|
| 340 |
Tk_Offset(TkButton, borderWidth), 0, 0, 0},
|
| 341 |
{TK_OPTION_STRING, "-command", "command", "Command",
|
| 342 |
DEF_BUTTON_COMMAND, Tk_Offset(TkButton, commandPtr), -1,
|
| 343 |
TK_OPTION_NULL_OK, 0, 0},
|
| 344 |
{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
|
| 345 |
DEF_BUTTON_CURSOR, -1, Tk_Offset(TkButton, cursor),
|
| 346 |
TK_OPTION_NULL_OK, 0, 0},
|
| 347 |
{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
|
| 348 |
"DisabledForeground", DEF_BUTTON_DISABLED_FG_COLOR,
|
| 349 |
-1, Tk_Offset(TkButton, disabledFg), TK_OPTION_NULL_OK,
|
| 350 |
(ClientData) DEF_BUTTON_DISABLED_FG_MONO, 0},
|
| 351 |
{TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
|
| 352 |
(char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
|
| 353 |
{TK_OPTION_FONT, "-font", "font", "Font",
|
| 354 |
DEF_BUTTON_FONT, -1, Tk_Offset(TkButton, tkfont), 0, 0, 0},
|
| 355 |
{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
|
| 356 |
DEF_CHKRAD_FG, -1, Tk_Offset(TkButton, normalFg), 0, 0, 0},
|
| 357 |
{TK_OPTION_STRING, "-height", "height", "Height",
|
| 358 |
DEF_BUTTON_HEIGHT, Tk_Offset(TkButton, heightPtr), -1, 0, 0, 0},
|
| 359 |
{TK_OPTION_BORDER, "-highlightbackground", "highlightBackground",
|
| 360 |
"HighlightBackground", DEF_BUTTON_HIGHLIGHT_BG_COLOR,
|
| 361 |
-1, Tk_Offset(TkButton, highlightBorder), 0,
|
| 362 |
(ClientData) DEF_BUTTON_HIGHLIGHT_BG_MONO, 0},
|
| 363 |
{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
|
| 364 |
DEF_BUTTON_HIGHLIGHT, -1, Tk_Offset(TkButton, highlightColorPtr),
|
| 365 |
0, 0, 0},
|
| 366 |
{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
|
| 367 |
"HighlightThickness", DEF_BUTTON_HIGHLIGHT_WIDTH,
|
| 368 |
Tk_Offset(TkButton, highlightWidthPtr),
|
| 369 |
Tk_Offset(TkButton, highlightWidth), 0, 0, 0},
|
| 370 |
{TK_OPTION_STRING, "-image", "image", "Image",
|
| 371 |
DEF_BUTTON_IMAGE, Tk_Offset(TkButton, imagePtr), -1,
|
| 372 |
TK_OPTION_NULL_OK, 0, 0},
|
| 373 |
{TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn",
|
| 374 |
DEF_BUTTON_INDICATOR, -1, Tk_Offset(TkButton, indicatorOn),
|
| 375 |
0, 0, 0},
|
| 376 |
{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
|
| 377 |
DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkButton, justify), 0, 0, 0},
|
| 378 |
{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
|
| 379 |
DEF_LABCHKRAD_PADX, Tk_Offset(TkButton, padXPtr),
|
| 380 |
Tk_Offset(TkButton, padX), 0, 0, 0},
|
| 381 |
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
|
| 382 |
DEF_LABCHKRAD_PADY, Tk_Offset(TkButton, padYPtr),
|
| 383 |
Tk_Offset(TkButton, padY), 0, 0, 0},
|
| 384 |
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
|
| 385 |
DEF_LABCHKRAD_RELIEF, -1, Tk_Offset(TkButton, relief), 0, 0, 0},
|
| 386 |
{TK_OPTION_BORDER, "-selectcolor", "selectColor", "Background",
|
| 387 |
DEF_BUTTON_SELECT_COLOR, -1, Tk_Offset(TkButton, selectBorder),
|
| 388 |
TK_OPTION_NULL_OK, (ClientData) DEF_BUTTON_SELECT_MONO, 0},
|
| 389 |
{TK_OPTION_STRING, "-selectimage", "selectImage", "SelectImage",
|
| 390 |
DEF_BUTTON_SELECT_IMAGE, Tk_Offset(TkButton, selectImagePtr), -1,
|
| 391 |
TK_OPTION_NULL_OK, 0, 0},
|
| 392 |
{TK_OPTION_STRING_TABLE, "-state", "state", "State",
|
| 393 |
DEF_BUTTON_STATE, -1, Tk_Offset(TkButton, state),
|
| 394 |
0, (ClientData) stateStrings, 0},
|
| 395 |
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
|
| 396 |
DEF_BUTTON_TAKE_FOCUS, Tk_Offset(TkButton, takeFocusPtr), -1,
|
| 397 |
TK_OPTION_NULL_OK, 0, 0},
|
| 398 |
{TK_OPTION_STRING, "-text", "text", "Text",
|
| 399 |
DEF_BUTTON_TEXT, Tk_Offset(TkButton, textPtr), -1, 0, 0, 0},
|
| 400 |
{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
|
| 401 |
DEF_BUTTON_TEXT_VARIABLE, Tk_Offset(TkButton, textVarNamePtr), -1,
|
| 402 |
TK_OPTION_NULL_OK, 0, 0},
|
| 403 |
{TK_OPTION_INT, "-underline", "underline", "Underline",
|
| 404 |
DEF_BUTTON_UNDERLINE, -1, Tk_Offset(TkButton, underline), 0, 0, 0},
|
| 405 |
{TK_OPTION_STRING, "-value", "value", "Value",
|
| 406 |
DEF_BUTTON_VALUE, Tk_Offset(TkButton, onValuePtr), -1, 0, 0, 0},
|
| 407 |
{TK_OPTION_STRING, "-variable", "variable", "Variable",
|
| 408 |
DEF_RADIOBUTTON_VARIABLE, Tk_Offset(TkButton, selVarNamePtr), -1,
|
| 409 |
0, 0, 0},
|
| 410 |
{TK_OPTION_STRING, "-width", "width", "Width",
|
| 411 |
DEF_BUTTON_WIDTH, Tk_Offset(TkButton, widthPtr), -1, 0, 0, 0},
|
| 412 |
{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
|
| 413 |
DEF_BUTTON_WRAP_LENGTH, Tk_Offset(TkButton, wrapLengthPtr),
|
| 414 |
Tk_Offset(TkButton, wrapLength), 0, 0, 0},
|
| 415 |
{TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
|
| 416 |
(char *) NULL, 0, -1, 0, 0, 0}
|
| 417 |
};
|
| 418 |
|
| 419 |
/*
|
| 420 |
* The following table maps from one of the type values defined in
|
| 421 |
* tkButton.h, such as TYPE_LABEL, to the option template for that
|
| 422 |
* class of widgets.
|
| 423 |
*/
|
| 424 |
|
| 425 |
static Tk_OptionSpec *optionSpecs[] = {
|
| 426 |
labelOptionSpecs,
|
| 427 |
buttonOptionSpecs,
|
| 428 |
checkbuttonOptionSpecs,
|
| 429 |
radiobuttonOptionSpecs
|
| 430 |
};
|
| 431 |
|
| 432 |
/*
|
| 433 |
* The following tables define the widget commands supported by
|
| 434 |
* each of the classes, and map the indexes into the string tables
|
| 435 |
* into a single enumerated type used to dispatch the widget command.
|
| 436 |
*/
|
| 437 |
|
| 438 |
static char *commandNames[][8] = {
|
| 439 |
{"cget", "configure", (char *) NULL},
|
| 440 |
{"cget", "configure", "flash", "invoke", (char *) NULL},
|
| 441 |
{"cget", "configure", "deselect", "flash", "invoke", "select",
|
| 442 |
"toggle", (char *) NULL},
|
| 443 |
{"cget", "configure", "deselect", "flash", "invoke", "select",
|
| 444 |
(char *) NULL}
|
| 445 |
};
|
| 446 |
enum command {
|
| 447 |
COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH,
|
| 448 |
COMMAND_INVOKE, COMMAND_SELECT, COMMAND_TOGGLE
|
| 449 |
};
|
| 450 |
static enum command map[][8] = {
|
| 451 |
{COMMAND_CGET, COMMAND_CONFIGURE},
|
| 452 |
{COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_FLASH, COMMAND_INVOKE},
|
| 453 |
{COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH,
|
| 454 |
COMMAND_INVOKE, COMMAND_SELECT, COMMAND_TOGGLE},
|
| 455 |
{COMMAND_CGET, COMMAND_CONFIGURE, COMMAND_DESELECT, COMMAND_FLASH,
|
| 456 |
COMMAND_INVOKE, COMMAND_SELECT}
|
| 457 |
};
|
| 458 |
|
| 459 |
/*
|
| 460 |
* Forward declarations for procedures defined later in this file:
|
| 461 |
*/
|
| 462 |
|
| 463 |
static void ButtonCmdDeletedProc _ANSI_ARGS_((
|
| 464 |
ClientData clientData));
|
| 465 |
static int ButtonCreate _ANSI_ARGS_((ClientData clientData,
|
| 466 |
Tcl_Interp *interp, int objc,
|
| 467 |
Tcl_Obj *CONST objv[], int type));
|
| 468 |
static void ButtonEventProc _ANSI_ARGS_((ClientData clientData,
|
| 469 |
XEvent *eventPtr));
|
| 470 |
static void ButtonImageProc _ANSI_ARGS_((ClientData clientData,
|
| 471 |
int x, int y, int width, int height,
|
| 472 |
int imgWidth, int imgHeight));
|
| 473 |
static void ButtonSelectImageProc _ANSI_ARGS_((
|
| 474 |
ClientData clientData, int x, int y, int width,
|
| 475 |
int height, int imgWidth, int imgHeight));
|
| 476 |
static char * ButtonTextVarProc _ANSI_ARGS_((ClientData clientData,
|
| 477 |
Tcl_Interp *interp, char *name1, char *name2,
|
| 478 |
int flags));
|
| 479 |
static char * ButtonVarProc _ANSI_ARGS_((ClientData clientData,
|
| 480 |
Tcl_Interp *interp, char *name1, char *name2,
|
| 481 |
int flags));
|
| 482 |
static int ButtonWidgetObjCmd _ANSI_ARGS_((ClientData clientData,
|
| 483 |
Tcl_Interp *interp, int objc,
|
| 484 |
Tcl_Obj *CONST objv[]));
|
| 485 |
static int ConfigureButton _ANSI_ARGS_((Tcl_Interp *interp,
|
| 486 |
TkButton *butPtr, int objc,
|
| 487 |
Tcl_Obj *CONST objv[]));
|
| 488 |
static void DestroyButton _ANSI_ARGS_((TkButton *butPtr));
|
| 489 |
|
| 490 |
/*
|
| 491 |
*--------------------------------------------------------------
|
| 492 |
*
|
| 493 |
* Tk_ButtonCmd, Tk_CheckbuttonCmd, Tk_LabelCmd, Tk_RadiobuttonCmd --
|
| 494 |
*
|
| 495 |
* These procedures are invoked to process the "button", "label",
|
| 496 |
* "radiobutton", and "checkbutton" Tcl commands. See the
|
| 497 |
* user documentation for details on what they do.
|
| 498 |
*
|
| 499 |
* Results:
|
| 500 |
* A standard Tcl result.
|
| 501 |
*
|
| 502 |
* Side effects:
|
| 503 |
* See the user documentation. These procedures are just wrappers;
|
| 504 |
* they call ButtonCreate to do all of the real work.
|
| 505 |
*
|
| 506 |
*--------------------------------------------------------------
|
| 507 |
*/
|
| 508 |
|
| 509 |
int
|
| 510 |
Tk_ButtonObjCmd(clientData, interp, objc, objv)
|
| 511 |
ClientData clientData; /* Either NULL or pointer to option table. */
|
| 512 |
Tcl_Interp *interp; /* Current interpreter. */
|
| 513 |
int objc; /* Number of arguments. */
|
| 514 |
Tcl_Obj *CONST objv[]; /* Argument values. */
|
| 515 |
{
|
| 516 |
return ButtonCreate(clientData, interp, objc, objv, TYPE_BUTTON);
|
| 517 |
}
|
| 518 |
|
| 519 |
int
|
| 520 |
Tk_CheckbuttonObjCmd(clientData, interp, objc, objv)
|
| 521 |
ClientData clientData; /* Either NULL or pointer to option table. */
|
| 522 |
Tcl_Interp *interp; /* Current interpreter. */
|
| 523 |
int objc; /* Number of arguments. */
|
| 524 |
Tcl_Obj *CONST objv[]; /* Argument values. */
|
| 525 |
{
|
| 526 |
return ButtonCreate(clientData, interp, objc, objv, TYPE_CHECK_BUTTON);
|
| 527 |
}
|
| 528 |
|
| 529 |
int
|
| 530 |
Tk_LabelObjCmd(clientData, interp, objc, objv)
|
| 531 |
ClientData clientData; /* Either NULL or pointer to option table. */
|
| 532 |
Tcl_Interp *interp; /* Current interpreter. */
|
| 533 |
int objc; /* Number of arguments. */
|
| 534 |
Tcl_Obj *CONST objv[]; /* Argument values. */
|
| 535 |
{
|
| 536 |
return ButtonCreate(clientData, interp, objc, objv, TYPE_LABEL);
|
| 537 |
}
|
| 538 |
|
| 539 |
int
|
| 540 |
Tk_RadiobuttonObjCmd(clientData, interp, objc, objv)
|
| 541 |
ClientData clientData; /* Either NULL or pointer to option table. */
|
| 542 |
Tcl_Interp *interp; /* Current interpreter. */
|
| 543 |
int objc; /* Number of arguments. */
|
| 544 |
Tcl_Obj *CONST objv[]; /* Argument values. */
|
| 545 |
{
|
| 546 |
return ButtonCreate(clientData, interp, objc, objv, TYPE_RADIO_BUTTON);
|
| 547 |
}
|
| 548 |
|
| 549 |
/*
|
| 550 |
*--------------------------------------------------------------
|
| 551 |
*
|
| 552 |
* ButtonCreate --
|
| 553 |
*
|
| 554 |
* This procedure does all the real work of implementing the
|
| 555 |
* "button", "label", "radiobutton", and "checkbutton" Tcl
|
| 556 |
* commands. See the user documentation for details on what it does.
|
| 557 |
*
|
| 558 |
* Results:
|
| 559 |
* A standard Tcl result.
|
| 560 |
*
|
| 561 |
* Side effects:
|
| 562 |
* See the user documentation.
|
| 563 |
*
|
| 564 |
*--------------------------------------------------------------
|
| 565 |
*/
|
| 566 |
|
| 567 |
static int
|
| 568 |
ButtonCreate(clientData, interp, objc, objv, type)
|
| 569 |
ClientData clientData; /* Option table for this widget class, or
|
| 570 |
* NULL if not created yet. */
|
| 571 |
Tcl_Interp *interp; /* Current interpreter. */
|
| 572 |
int objc; /* Number of arguments. */
|
| 573 |
Tcl_Obj *CONST objv[]; /* Argument values. */
|
| 574 |
int type; /* Type of button to create: TYPE_LABEL,
|
| 575 |
* TYPE_BUTTON, TYPE_CHECK_BUTTON, or
|
| 576 |
* TYPE_RADIO_BUTTON. */
|
| 577 |
{
|
| 578 |
TkButton *butPtr;
|
| 579 |
Tk_OptionTable optionTable;
|
| 580 |
Tk_Window tkwin;
|
| 581 |
|
| 582 |
optionTable = (Tk_OptionTable) clientData;
|
| 583 |
if (optionTable == NULL) {
|
| 584 |
Tcl_CmdInfo info;
|
| 585 |
char *name;
|
| 586 |
|
| 587 |
/*
|
| 588 |
* We haven't created the option table for this widget class
|
| 589 |
* yet. Do it now and save the table as the clientData for
|
| 590 |
* the command, so we'll have access to it in future
|
| 591 |
* invocations of the command.
|
| 592 |
*/
|
| 593 |
|
| 594 |
TkpButtonSetDefaults(optionSpecs[type]);
|
| 595 |
optionTable = Tk_CreateOptionTable(interp, optionSpecs[type]);
|
| 596 |
name = Tcl_GetString(objv[0]);
|
| 597 |
Tcl_GetCommandInfo(interp, name, &info);
|
| 598 |
info.objClientData = (ClientData) optionTable;
|
| 599 |
Tcl_SetCommandInfo(interp, name, &info);
|
| 600 |
}
|
| 601 |
|
| 602 |
if (objc < 2) {
|
| 603 |
Tcl_WrongNumArgs(interp, 1, objv, "pathName ?options?");
|
| 604 |
return TCL_ERROR;
|
| 605 |
}
|
| 606 |
|
| 607 |
/*
|
| 608 |
* Create the new window.
|
| 609 |
*/
|
| 610 |
|
| 611 |
tkwin = Tk_CreateWindowFromPath(interp, Tk_MainWindow(interp),
|
| 612 |
Tcl_GetString(objv[1]), (char *) NULL);
|
| 613 |
if (tkwin == NULL) {
|
| 614 |
return TCL_ERROR;
|
| 615 |
}
|
| 616 |
|
| 617 |
Tk_SetClass(tkwin, classNames[type]);
|
| 618 |
butPtr = TkpCreateButton(tkwin);
|
| 619 |
|
| 620 |
TkSetClassProcs(tkwin, &tkpButtonProcs, (ClientData) butPtr);
|
| 621 |
|
| 622 |
/*
|
| 623 |
* Initialize the data structure for the button.
|
| 624 |
*/
|
| 625 |
|
| 626 |
butPtr->tkwin = tkwin;
|
| 627 |
butPtr->display = Tk_Display(tkwin);
|
| 628 |
butPtr->interp = interp;
|
| 629 |
butPtr->widgetCmd = Tcl_CreateObjCommand(interp, Tk_PathName(tkwin),
|
| 630 |
ButtonWidgetObjCmd, (ClientData) butPtr, ButtonCmdDeletedProc);
|
| 631 |
butPtr->type = type;
|
| 632 |
butPtr->optionTable = optionTable;
|
| 633 |
butPtr->textPtr = NULL;
|
| 634 |
butPtr->underline = -1;
|
| 635 |
butPtr->textVarNamePtr = NULL;
|
| 636 |
butPtr->bitmap = None;
|
| 637 |
butPtr->imagePtr = NULL;
|
| 638 |
butPtr->image = NULL;
|
| 639 |
butPtr->selectImagePtr = NULL;
|
| 640 |
butPtr->selectImage = NULL;
|
| 641 |
butPtr->state = STATE_NORMAL;
|
| 642 |
butPtr->normalBorder = NULL;
|
| 643 |
butPtr->activeBorder = NULL;
|
| 644 |
butPtr->borderWidthPtr = NULL;
|
| 645 |
butPtr->borderWidth = 0;
|
| 646 |
butPtr->relief = TK_RELIEF_FLAT;
|
| 647 |
butPtr->highlightWidthPtr = NULL;
|
| 648 |
butPtr->highlightWidth = 0;
|
| 649 |
butPtr->highlightBorder = NULL;
|
| 650 |
butPtr->highlightColorPtr = NULL;
|
| 651 |
butPtr->inset = 0;
|
| 652 |
butPtr->tkfont = NULL;
|
| 653 |
butPtr->normalFg = NULL;
|
| 654 |
butPtr->activeFg = NULL;
|
| 655 |
butPtr->disabledFg = NULL;
|
| 656 |
butPtr->normalTextGC = None;
|
| 657 |
butPtr->activeTextGC = None;
|
| 658 |
butPtr->disabledGC = None;
|
| 659 |
butPtr->gray = None;
|
| 660 |
butPtr->copyGC = None;
|
| 661 |
butPtr->widthPtr = NULL;
|
| 662 |
butPtr->width = 0;
|
| 663 |
butPtr->heightPtr = NULL;
|
| 664 |
butPtr->height = 0;
|
| 665 |
butPtr->wrapLengthPtr = NULL;
|
| 666 |
butPtr->wrapLength = 0;
|
| 667 |
butPtr->padXPtr = NULL;
|
| 668 |
butPtr->padX = 0;
|
| 669 |
butPtr->padYPtr = NULL;
|
| 670 |
butPtr->padY = 0;
|
| 671 |
butPtr->anchor = TK_ANCHOR_CENTER;
|
| 672 |
butPtr->justify = TK_JUSTIFY_CENTER;
|
| 673 |
butPtr->indicatorOn = 0;
|
| 674 |
butPtr->selectBorder = NULL;
|
| 675 |
butPtr->textWidth = 0;
|
| 676 |
butPtr->textHeight = 0;
|
| 677 |
butPtr->textLayout = NULL;
|
| 678 |
butPtr->indicatorSpace = 0;
|
| 679 |
butPtr->indicatorDiameter = 0;
|
| 680 |
butPtr->defaultState = DEFAULT_DISABLED;
|
| 681 |
butPtr->selVarNamePtr = NULL;
|
| 682 |
butPtr->onValuePtr = NULL;
|
| 683 |
butPtr->offValuePtr = NULL;
|
| 684 |
butPtr->cursor = None;
|
| 685 |
butPtr->takeFocusPtr = NULL;
|
| 686 |
butPtr->commandPtr = NULL;
|
| 687 |
butPtr->flags = 0;
|
| 688 |
|
| 689 |
Tk_CreateEventHandler(butPtr->tkwin,
|
| 690 |
ExposureMask|StructureNotifyMask|FocusChangeMask,
|
| 691 |
ButtonEventProc, (ClientData) butPtr);
|
| 692 |
|
| 693 |
if (Tk_InitOptions(interp, (char *) butPtr, optionTable, tkwin)
|
| 694 |
!= TCL_OK) {
|
| 695 |
Tk_DestroyWindow(butPtr->tkwin);
|
| 696 |
return TCL_ERROR;
|
| 697 |
}
|
| 698 |
if (ConfigureButton(interp, butPtr, objc - 2, objv + 2) != TCL_OK) {
|
| 699 |
Tk_DestroyWindow(butPtr->tkwin);
|
| 700 |
return TCL_ERROR;
|
| 701 |
}
|
| 702 |
|
| 703 |
Tcl_SetStringObj(Tcl_GetObjResult(interp), Tk_PathName(butPtr->tkwin),
|
| 704 |
-1);
|
| 705 |
return TCL_OK;
|
| 706 |
}
|
| 707 |
|
| 708 |
/*
|
| 709 |
*--------------------------------------------------------------
|
| 710 |
*
|
| 711 |
* ButtonWidgetCmd --
|
| 712 |
*
|
| 713 |
* This procedure is invoked to process the Tcl command
|
| 714 |
* that corresponds to a widget managed by this module.
|
| 715 |
* See the user documentation for details on what it does.
|
| 716 |
*
|
| 717 |
* Results:
|
| 718 |
* A standard Tcl result.
|
| 719 |
*
|
| 720 |
* Side effects:
|
| 721 |
* See the user documentation.
|
| 722 |
*
|
| 723 |
*--------------------------------------------------------------
|
| 724 |
*/
|
| 725 |
|
| 726 |
static int
|
| 727 |
ButtonWidgetObjCmd(clientData, interp, objc, objv)
|
| 728 |
ClientData clientData; /* Information about button widget. */
|
| 729 |
Tcl_Interp *interp; /* Current interpreter. */
|
| 730 |
int objc; /* Number of arguments. */
|
| 731 |
Tcl_Obj *CONST objv[]; /* Argument values. */
|
| 732 |
{
|
| 733 |
TkButton *butPtr = (TkButton *) clientData;
|
| 734 |
int index;
|
| 735 |
int result;
|
| 736 |
Tcl_Obj *objPtr;
|
| 737 |
|
| 738 |
if (objc < 2) {
|
| 739 |
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg ...?");
|
| 740 |
return TCL_ERROR;
|
| 741 |
}
|
| 742 |
result = Tcl_GetIndexFromObj(interp, objv[1], commandNames[butPtr->type],
|
| 743 |
"option", 0, &index);
|
| 744 |
if (result != TCL_OK) {
|
| 745 |
return result;
|
| 746 |
}
|
| 747 |
Tcl_Preserve((ClientData) butPtr);
|
| 748 |
|
| 749 |
switch (map[butPtr->type][index]) {
|
| 750 |
case COMMAND_CGET: {
|
| 751 |
if (objc != 3) {
|
| 752 |
Tcl_WrongNumArgs(interp, 1, objv, "cget option");
|
| 753 |
goto error;
|
| 754 |
}
|
| 755 |
objPtr = Tk_GetOptionValue(interp, (char *) butPtr,
|
| 756 |
butPtr->optionTable, objv[2], butPtr->tkwin);
|
| 757 |
if (objPtr == NULL) {
|
| 758 |
goto error;
|
| 759 |
} else {
|
| 760 |
Tcl_SetObjResult(interp, objPtr);
|
| 761 |
}
|
| 762 |
break;
|
| 763 |
}
|
| 764 |
|
| 765 |
case COMMAND_CONFIGURE: {
|
| 766 |
if (objc <= 3) {
|
| 767 |
objPtr = Tk_GetOptionInfo(interp, (char *) butPtr,
|
| 768 |
butPtr->optionTable,
|
| 769 |
(objc == 3) ? objv[2] : (Tcl_Obj *) NULL,
|
| 770 |
butPtr->tkwin);
|
| 771 |
if (objPtr == NULL) {
|
| 772 |
goto error;
|
| 773 |
} else {
|
| 774 |
Tcl_SetObjResult(interp, objPtr);
|
| 775 |
}
|
| 776 |
} else {
|
| 777 |
result = ConfigureButton(interp, butPtr, objc-2, objv+2);
|
| 778 |
}
|
| 779 |
break;
|
| 780 |
}
|
| 781 |
|
| 782 |
case COMMAND_DESELECT: {
|
| 783 |
if (objc > 2) {
|
| 784 |
Tcl_WrongNumArgs(interp, 1, objv, "deselect");
|
| 785 |
goto error;
|
| 786 |
}
|
| 787 |
if (butPtr->type == TYPE_CHECK_BUTTON) {
|
| 788 |
if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL,
|
| 789 |
butPtr->offValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
| 790 |
== NULL) {
|
| 791 |
goto error;
|
| 792 |
}
|
| 793 |
} else if (butPtr->flags & SELECTED) {
|
| 794 |
if (Tcl_ObjSetVar2(interp,
|
| 795 |
butPtr->selVarNamePtr, NULL, Tcl_NewObj(),
|
| 796 |
TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
| 797 |
== NULL) {
|
| 798 |
goto error;
|
| 799 |
}
|
| 800 |
}
|
| 801 |
break;
|
| 802 |
}
|
| 803 |
|
| 804 |
case COMMAND_FLASH: {
|
| 805 |
int i;
|
| 806 |
|
| 807 |
if (objc > 2) {
|
| 808 |
Tcl_WrongNumArgs(interp, 1, objv, "flash");
|
| 809 |
goto error;
|
| 810 |
}
|
| 811 |
if (butPtr->state != STATE_DISABLED) {
|
| 812 |
for (i = 0; i < 4; i++) {
|
| 813 |
if (butPtr->state == STATE_NORMAL) {
|
| 814 |
butPtr->state = STATE_ACTIVE;
|
| 815 |
Tk_SetBackgroundFromBorder(butPtr->tkwin,
|
| 816 |
butPtr->activeBorder);
|
| 817 |
} else {
|
| 818 |
butPtr->state = STATE_NORMAL;
|
| 819 |
Tk_SetBackgroundFromBorder(butPtr->tkwin,
|
| 820 |
butPtr->normalBorder);
|
| 821 |
}
|
| 822 |
TkpDisplayButton((ClientData) butPtr);
|
| 823 |
|
| 824 |
/*
|
| 825 |
* Special note: must cancel any existing idle handler
|
| 826 |
* for TkpDisplayButton; it's no longer needed, and
|
| 827 |
* TkpDisplayButton cleared the REDRAW_PENDING flag.
|
| 828 |
*/
|
| 829 |
|
| 830 |
Tcl_CancelIdleCall(TkpDisplayButton, (ClientData) butPtr);
|
| 831 |
XFlush(butPtr->display);
|
| 832 |
Tcl_Sleep(50);
|
| 833 |
}
|
| 834 |
}
|
| 835 |
break;
|
| 836 |
}
|
| 837 |
|
| 838 |
case COMMAND_INVOKE: {
|
| 839 |
if (objc > 2) {
|
| 840 |
Tcl_WrongNumArgs(interp, 1, objv, "invoke");
|
| 841 |
goto error;
|
| 842 |
}
|
| 843 |
if (butPtr->state != STATE_DISABLED) {
|
| 844 |
result = TkInvokeButton(butPtr);
|
| 845 |
}
|
| 846 |
break;
|
| 847 |
}
|
| 848 |
|
| 849 |
case COMMAND_SELECT: {
|
| 850 |
if (objc > 2) {
|
| 851 |
Tcl_WrongNumArgs(interp, 1, objv, "select");
|
| 852 |
goto error;
|
| 853 |
}
|
| 854 |
if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL,
|
| 855 |
butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
| 856 |
== NULL) {
|
| 857 |
goto error;
|
| 858 |
}
|
| 859 |
break;
|
| 860 |
}
|
| 861 |
|
| 862 |
case COMMAND_TOGGLE: {
|
| 863 |
if (objc > 2) {
|
| 864 |
Tcl_WrongNumArgs(interp, 1, objv, "toggle");
|
| 865 |
goto error;
|
| 866 |
}
|
| 867 |
if (Tcl_ObjSetVar2(interp, butPtr->selVarNamePtr, NULL,
|
| 868 |
(butPtr->flags & SELECTED) ? butPtr->offValuePtr
|
| 869 |
: butPtr->onValuePtr,
|
| 870 |
TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
| 871 |
== NULL) {
|
| 872 |
goto error;
|
| 873 |
}
|
| 874 |
break;
|
| 875 |
}
|
| 876 |
}
|
| 877 |
Tcl_Release((ClientData) butPtr);
|
| 878 |
return result;
|
| 879 |
|
| 880 |
error:
|
| 881 |
Tcl_Release((ClientData) butPtr);
|
| 882 |
return TCL_ERROR;
|
| 883 |
}
|
| 884 |
|
| 885 |
/*
|
| 886 |
*----------------------------------------------------------------------
|
| 887 |
*
|
| 888 |
* DestroyButton --
|
| 889 |
*
|
| 890 |
* This procedure is invoked by ButtonEventProc to free all the
|
| 891 |
* resources of a button and clean up its state.
|
| 892 |
*
|
| 893 |
* Results:
|
| 894 |
* None.
|
| 895 |
*
|
| 896 |
* Side effects:
|
| 897 |
* Everything associated with the widget is freed.
|
| 898 |
*
|
| 899 |
*----------------------------------------------------------------------
|
| 900 |
*/
|
| 901 |
|
| 902 |
static void
|
| 903 |
DestroyButton(butPtr)
|
| 904 |
TkButton *butPtr; /* Info about button widget. */
|
| 905 |
{
|
| 906 |
TkpDestroyButton(butPtr);
|
| 907 |
|
| 908 |
butPtr->flags |= BUTTON_DELETED;
|
| 909 |
if (butPtr->flags & REDRAW_PENDING) {
|
| 910 |
Tcl_CancelIdleCall(TkpDisplayButton, (ClientData) butPtr);
|
| 911 |
}
|
| 912 |
|
| 913 |
/*
|
| 914 |
* Free up all the stuff that requires special handling, then
|
| 915 |
* let Tk_FreeOptions handle all the standard option-related
|
| 916 |
* stuff.
|
| 917 |
*/
|
| 918 |
|
| 919 |
Tcl_DeleteCommandFromToken(butPtr->interp, butPtr->widgetCmd);
|
| 920 |
if (butPtr->textVarNamePtr != NULL) {
|
| 921 |
Tcl_UntraceVar(butPtr->interp, Tcl_GetString(butPtr->textVarNamePtr),
|
| 922 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 923 |
ButtonTextVarProc, (ClientData) butPtr);
|
| 924 |
}
|
| 925 |
if (butPtr->image != NULL) {
|
| 926 |
Tk_FreeImage(butPtr->image);
|
| 927 |
}
|
| 928 |
if (butPtr->selectImage != NULL) {
|
| 929 |
Tk_FreeImage(butPtr->selectImage);
|
| 930 |
}
|
| 931 |
if (butPtr->normalTextGC != None) {
|
| 932 |
Tk_FreeGC(butPtr->display, butPtr->normalTextGC);
|
| 933 |
}
|
| 934 |
if (butPtr->activeTextGC != None) {
|
| 935 |
Tk_FreeGC(butPtr->display, butPtr->activeTextGC);
|
| 936 |
}
|
| 937 |
if (butPtr->disabledGC != None) {
|
| 938 |
Tk_FreeGC(butPtr->display, butPtr->disabledGC);
|
| 939 |
}
|
| 940 |
if (butPtr->gray != None) {
|
| 941 |
Tk_FreeBitmap(butPtr->display, butPtr->gray);
|
| 942 |
}
|
| 943 |
if (butPtr->copyGC != None) {
|
| 944 |
Tk_FreeGC(butPtr->display, butPtr->copyGC);
|
| 945 |
}
|
| 946 |
if (butPtr->textLayout != NULL) {
|
| 947 |
Tk_FreeTextLayout(butPtr->textLayout);
|
| 948 |
}
|
| 949 |
if (butPtr->selVarNamePtr != NULL) {
|
| 950 |
Tcl_UntraceVar(butPtr->interp, Tcl_GetString(butPtr->selVarNamePtr),
|
| 951 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 952 |
ButtonVarProc, (ClientData) butPtr);
|
| 953 |
}
|
| 954 |
Tk_FreeConfigOptions((char *) butPtr, butPtr->optionTable,
|
| 955 |
butPtr->tkwin);
|
| 956 |
butPtr->tkwin = NULL;
|
| 957 |
Tcl_EventuallyFree((ClientData) butPtr, TCL_DYNAMIC);
|
| 958 |
}
|
| 959 |
|
| 960 |
/*
|
| 961 |
*----------------------------------------------------------------------
|
| 962 |
*
|
| 963 |
* ConfigureButton --
|
| 964 |
*
|
| 965 |
* This procedure is called to process an objc/objv list to set
|
| 966 |
* configuration options for a button widget.
|
| 967 |
*
|
| 968 |
* Results:
|
| 969 |
* The return value is a standard Tcl result. If TCL_ERROR is
|
| 970 |
* returned, then an error message is left in interp's result.
|
| 971 |
*
|
| 972 |
* Side effects:
|
| 973 |
* Configuration information, such as text string, colors, font,
|
| 974 |
* etc. get set for butPtr; old resources get freed, if there
|
| 975 |
* were any. The button is redisplayed.
|
| 976 |
*
|
| 977 |
*----------------------------------------------------------------------
|
| 978 |
*/
|
| 979 |
|
| 980 |
static int
|
| 981 |
ConfigureButton(interp, butPtr, objc, objv)
|
| 982 |
Tcl_Interp *interp; /* Used for error reporting. */
|
| 983 |
register TkButton *butPtr; /* Information about widget; may or may
|
| 984 |
* not already have values for some fields. */
|
| 985 |
int objc; /* Number of arguments. */
|
| 986 |
Tcl_Obj *CONST objv[]; /* Argument values. */
|
| 987 |
{
|
| 988 |
Tk_SavedOptions savedOptions;
|
| 989 |
Tcl_Obj *errorResult = NULL;
|
| 990 |
int error;
|
| 991 |
Tk_Image image;
|
| 992 |
|
| 993 |
/*
|
| 994 |
* Eliminate any existing trace on variables monitored by the button.
|
| 995 |
*/
|
| 996 |
|
| 997 |
if (butPtr->textVarNamePtr != NULL) {
|
| 998 |
Tcl_UntraceVar(interp, Tcl_GetString(butPtr->textVarNamePtr),
|
| 999 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 1000 |
ButtonTextVarProc, (ClientData) butPtr);
|
| 1001 |
}
|
| 1002 |
if (butPtr->selVarNamePtr != NULL) {
|
| 1003 |
Tcl_UntraceVar(interp, Tcl_GetString(butPtr->selVarNamePtr),
|
| 1004 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 1005 |
ButtonVarProc, (ClientData) butPtr);
|
| 1006 |
}
|
| 1007 |
|
| 1008 |
/*
|
| 1009 |
* The following loop is potentially executed twice. During the
|
| 1010 |
* first pass configuration options get set to their new values.
|
| 1011 |
* If there is an error in this pass, we execute a second pass
|
| 1012 |
* to restore all the options to their previous values.
|
| 1013 |
*/
|
| 1014 |
|
| 1015 |
for (error = 0; error <= 1; error++) {
|
| 1016 |
if (!error) {
|
| 1017 |
/*
|
| 1018 |
* First pass: set options to new values.
|
| 1019 |
*/
|
| 1020 |
|
| 1021 |
if (Tk_SetOptions(interp, (char *) butPtr,
|
| 1022 |
butPtr->optionTable, objc, objv,
|
| 1023 |
butPtr->tkwin, &savedOptions, (int *) NULL) != TCL_OK) {
|
| 1024 |
continue;
|
| 1025 |
}
|
| 1026 |
} else {
|
| 1027 |
/*
|
| 1028 |
* Second pass: restore options to old values.
|
| 1029 |
*/
|
| 1030 |
|
| 1031 |
errorResult = Tcl_GetObjResult(interp);
|
| 1032 |
Tcl_IncrRefCount(errorResult);
|
| 1033 |
Tk_RestoreSavedOptions(&savedOptions);
|
| 1034 |
}
|
| 1035 |
|
| 1036 |
/*
|
| 1037 |
* A few options need special processing, such as setting the
|
| 1038 |
* background from a 3-D border, or filling in complicated
|
| 1039 |
* defaults that couldn't be specified to Tk_SetOptions.
|
| 1040 |
*/
|
| 1041 |
|
| 1042 |
if ((butPtr->state == STATE_ACTIVE)
|
| 1043 |
&& !Tk_StrictMotif(butPtr->tkwin)) {
|
| 1044 |
Tk_SetBackgroundFromBorder(butPtr->tkwin, butPtr->activeBorder);
|
| 1045 |
} else {
|
| 1046 |
Tk_SetBackgroundFromBorder(butPtr->tkwin, butPtr->normalBorder);
|
| 1047 |
}
|
| 1048 |
if (butPtr->borderWidth < 0) {
|
| 1049 |
butPtr->borderWidth = 0;
|
| 1050 |
}
|
| 1051 |
if (butPtr->highlightWidth < 0) {
|
| 1052 |
butPtr->highlightWidth = 0;
|
| 1053 |
}
|
| 1054 |
if (butPtr->padX < 0) {
|
| 1055 |
butPtr->padX = 0;
|
| 1056 |
}
|
| 1057 |
if (butPtr->padY < 0) {
|
| 1058 |
butPtr->padY = 0;
|
| 1059 |
}
|
| 1060 |
|
| 1061 |
if (butPtr->type >= TYPE_CHECK_BUTTON) {
|
| 1062 |
Tcl_Obj *valuePtr, *namePtr;
|
| 1063 |
|
| 1064 |
if (butPtr->selVarNamePtr == NULL) {
|
| 1065 |
butPtr->selVarNamePtr = Tcl_NewStringObj(
|
| 1066 |
Tk_Name(butPtr->tkwin), -1);
|
| 1067 |
Tcl_IncrRefCount(butPtr->selVarNamePtr);
|
| 1068 |
}
|
| 1069 |
namePtr = butPtr->selVarNamePtr;
|
| 1070 |
|
| 1071 |
/*
|
| 1072 |
* Select the button if the associated variable has the
|
| 1073 |
* appropriate value, initialize the variable if it doesn't
|
| 1074 |
* exist, then set a trace on the variable to monitor future
|
| 1075 |
* changes to its value.
|
| 1076 |
*/
|
| 1077 |
|
| 1078 |
valuePtr = Tcl_ObjGetVar2(interp, namePtr, NULL, TCL_GLOBAL_ONLY);
|
| 1079 |
butPtr->flags &= ~SELECTED;
|
| 1080 |
if (valuePtr != NULL) {
|
| 1081 |
if (strcmp(Tcl_GetString(valuePtr),
|
| 1082 |
Tcl_GetString(butPtr->onValuePtr)) == 0) {
|
| 1083 |
butPtr->flags |= SELECTED;
|
| 1084 |
}
|
| 1085 |
} else {
|
| 1086 |
if (Tcl_ObjSetVar2(interp, namePtr, NULL,
|
| 1087 |
(butPtr->type == TYPE_CHECK_BUTTON)
|
| 1088 |
? butPtr->offValuePtr : Tcl_NewObj(),
|
| 1089 |
TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
| 1090 |
== NULL) {
|
| 1091 |
continue;
|
| 1092 |
}
|
| 1093 |
}
|
| 1094 |
}
|
| 1095 |
|
| 1096 |
/*
|
| 1097 |
* Get the images for the widget, if there are any. Allocate the
|
| 1098 |
* new images before freeing the old ones, so that the reference
|
| 1099 |
* counts don't go to zero and cause image data to be discarded.
|
| 1100 |
*/
|
| 1101 |
|
| 1102 |
if (butPtr->imagePtr != NULL) {
|
| 1103 |
image = Tk_GetImage(butPtr->interp, butPtr->tkwin,
|
| 1104 |
Tcl_GetString(butPtr->imagePtr), ButtonImageProc,
|
| 1105 |
(ClientData) butPtr);
|
| 1106 |
if (image == NULL) {
|
| 1107 |
continue;
|
| 1108 |
}
|
| 1109 |
} else {
|
| 1110 |
image = NULL;
|
| 1111 |
}
|
| 1112 |
if (butPtr->image != NULL) {
|
| 1113 |
Tk_FreeImage(butPtr->image);
|
| 1114 |
}
|
| 1115 |
butPtr->image = image;
|
| 1116 |
if (butPtr->selectImagePtr != NULL) {
|
| 1117 |
image = Tk_GetImage(butPtr->interp, butPtr->tkwin,
|
| 1118 |
Tcl_GetString(butPtr->selectImagePtr),
|
| 1119 |
ButtonSelectImageProc, (ClientData) butPtr);
|
| 1120 |
if (image == NULL) {
|
| 1121 |
continue;
|
| 1122 |
}
|
| 1123 |
} else {
|
| 1124 |
image = NULL;
|
| 1125 |
}
|
| 1126 |
if (butPtr->selectImage != NULL) {
|
| 1127 |
Tk_FreeImage(butPtr->selectImage);
|
| 1128 |
}
|
| 1129 |
butPtr->selectImage = image;
|
| 1130 |
|
| 1131 |
if ((butPtr->imagePtr == NULL) && (butPtr->bitmap == None)
|
| 1132 |
&& (butPtr->textVarNamePtr != NULL)) {
|
| 1133 |
/*
|
| 1134 |
* The button must display the value of a variable: set up a trace
|
| 1135 |
* on the variable's value, create the variable if it doesn't
|
| 1136 |
* exist, and fetch its current value.
|
| 1137 |
*/
|
| 1138 |
|
| 1139 |
Tcl_Obj *valuePtr, *namePtr;
|
| 1140 |
|
| 1141 |
namePtr = butPtr->textVarNamePtr;
|
| 1142 |
valuePtr = Tcl_ObjGetVar2(interp, namePtr, NULL, TCL_GLOBAL_ONLY);
|
| 1143 |
if (valuePtr == NULL) {
|
| 1144 |
if (Tcl_ObjSetVar2(interp, namePtr, NULL, butPtr->textPtr,
|
| 1145 |
TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
| 1146 |
== NULL) {
|
| 1147 |
continue;
|
| 1148 |
}
|
| 1149 |
} else {
|
| 1150 |
if (butPtr->textPtr != NULL) {
|
| 1151 |
Tcl_DecrRefCount(butPtr->textPtr);
|
| 1152 |
}
|
| 1153 |
butPtr->textPtr = valuePtr;
|
| 1154 |
Tcl_IncrRefCount(butPtr->textPtr);
|
| 1155 |
}
|
| 1156 |
}
|
| 1157 |
|
| 1158 |
if ((butPtr->bitmap != None) || (butPtr->imagePtr != NULL)) {
|
| 1159 |
/*
|
| 1160 |
* The button must display the contents of an image or
|
| 1161 |
* bitmap.
|
| 1162 |
*/
|
| 1163 |
|
| 1164 |
if (Tk_GetPixelsFromObj(interp, butPtr->tkwin, butPtr->widthPtr,
|
| 1165 |
&butPtr->width) != TCL_OK) {
|
| 1166 |
widthError:
|
| 1167 |
Tcl_AddErrorInfo(interp, "\n (processing -width option)");
|
| 1168 |
continue;
|
| 1169 |
}
|
| 1170 |
if (Tk_GetPixelsFromObj(interp, butPtr->tkwin, butPtr->heightPtr,
|
| 1171 |
&butPtr->height) != TCL_OK) {
|
| 1172 |
heightError:
|
| 1173 |
Tcl_AddErrorInfo(interp, "\n (processing -height option)");
|
| 1174 |
continue;
|
| 1175 |
}
|
| 1176 |
} else {
|
| 1177 |
/*
|
| 1178 |
* The button displays an ordinary text string.
|
| 1179 |
*/
|
| 1180 |
|
| 1181 |
if (Tcl_GetIntFromObj(interp, butPtr->widthPtr, &butPtr->width)
|
| 1182 |
!= TCL_OK) {
|
| 1183 |
goto widthError;
|
| 1184 |
}
|
| 1185 |
if (Tcl_GetIntFromObj(interp, butPtr->heightPtr, &butPtr->height)
|
| 1186 |
!= TCL_OK) {
|
| 1187 |
goto heightError;
|
| 1188 |
}
|
| 1189 |
}
|
| 1190 |
break;
|
| 1191 |
}
|
| 1192 |
if (!error) {
|
| 1193 |
Tk_FreeSavedOptions(&savedOptions);
|
| 1194 |
}
|
| 1195 |
|
| 1196 |
/*
|
| 1197 |
* Reestablish the variable traces, if they're needed.
|
| 1198 |
*/
|
| 1199 |
|
| 1200 |
if (butPtr->textVarNamePtr != NULL) {
|
| 1201 |
Tcl_TraceVar(interp, Tcl_GetString(butPtr->textVarNamePtr),
|
| 1202 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 1203 |
ButtonTextVarProc, (ClientData) butPtr);
|
| 1204 |
}
|
| 1205 |
if (butPtr->selVarNamePtr != NULL) {
|
| 1206 |
Tcl_TraceVar(interp, Tcl_GetString(butPtr->selVarNamePtr),
|
| 1207 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 1208 |
ButtonVarProc, (ClientData) butPtr);
|
| 1209 |
}
|
| 1210 |
|
| 1211 |
TkButtonWorldChanged((ClientData) butPtr);
|
| 1212 |
if (error) {
|
| 1213 |
Tcl_SetObjResult(interp, errorResult);
|
| 1214 |
Tcl_DecrRefCount(errorResult);
|
| 1215 |
return TCL_ERROR;
|
| 1216 |
} else {
|
| 1217 |
return TCL_OK;
|
| 1218 |
}
|
| 1219 |
}
|
| 1220 |
|
| 1221 |
/*
|
| 1222 |
*---------------------------------------------------------------------------
|
| 1223 |
*
|
| 1224 |
* TkButtonWorldChanged --
|
| 1225 |
*
|
| 1226 |
* This procedure is called when the world has changed in some
|
| 1227 |
* way and the widget needs to recompute all its graphics contexts
|
| 1228 |
* and determine its new geometry.
|
| 1229 |
*
|
| 1230 |
* Results:
|
| 1231 |
* None.
|
| 1232 |
*
|
| 1233 |
* Side effects:
|
| 1234 |
* Button will be relayed out and redisplayed.
|
| 1235 |
*
|
| 1236 |
*---------------------------------------------------------------------------
|
| 1237 |
*/
|
| 1238 |
|
| 1239 |
void
|
| 1240 |
TkButtonWorldChanged(instanceData)
|
| 1241 |
ClientData instanceData; /* Information about widget. */
|
| 1242 |
{
|
| 1243 |
XGCValues gcValues;
|
| 1244 |
GC newGC;
|
| 1245 |
unsigned long mask;
|
| 1246 |
TkButton *butPtr;
|
| 1247 |
|
| 1248 |
butPtr = (TkButton *) instanceData;
|
| 1249 |
|
| 1250 |
/*
|
| 1251 |
* Recompute GCs.
|
| 1252 |
*/
|
| 1253 |
|
| 1254 |
gcValues.font = Tk_FontId(butPtr->tkfont);
|
| 1255 |
gcValues.foreground = butPtr->normalFg->pixel;
|
| 1256 |
gcValues.background = Tk_3DBorderColor(butPtr->normalBorder)->pixel;
|
| 1257 |
|
| 1258 |
/*
|
| 1259 |
* Note: GraphicsExpose events are disabled in normalTextGC because it's
|
| 1260 |
* used to copy stuff from an off-screen pixmap onto the screen (we know
|
| 1261 |
* that there's no problem with obscured areas).
|
| 1262 |
*/
|
| 1263 |
|
| 1264 |
gcValues.graphics_exposures = False;
|
| 1265 |
mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
|
| 1266 |
newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
|
| 1267 |
if (butPtr->normalTextGC != None) {
|
| 1268 |
Tk_FreeGC(butPtr->display, butPtr->normalTextGC);
|
| 1269 |
}
|
| 1270 |
butPtr->normalTextGC = newGC;
|
| 1271 |
|
| 1272 |
if (butPtr->activeFg != NULL) {
|
| 1273 |
gcValues.foreground = butPtr->activeFg->pixel;
|
| 1274 |
gcValues.background = Tk_3DBorderColor(butPtr->activeBorder)->pixel;
|
| 1275 |
mask = GCForeground | GCBackground | GCFont;
|
| 1276 |
newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
|
| 1277 |
if (butPtr->activeTextGC != None) {
|
| 1278 |
Tk_FreeGC(butPtr->display, butPtr->activeTextGC);
|
| 1279 |
}
|
| 1280 |
butPtr->activeTextGC = newGC;
|
| 1281 |
}
|
| 1282 |
|
| 1283 |
/*
|
| 1284 |
* Allocate the disabled graphics context, for drawing the widget in
|
| 1285 |
* its disabled state
|
| 1286 |
*/
|
| 1287 |
gcValues.background = Tk_3DBorderColor(butPtr->normalBorder)->pixel;
|
| 1288 |
if ((butPtr->disabledFg != NULL) && (butPtr->imagePtr == NULL)) {
|
| 1289 |
gcValues.foreground = butPtr->disabledFg->pixel;
|
| 1290 |
mask = GCForeground | GCBackground | GCFont;
|
| 1291 |
} else {
|
| 1292 |
gcValues.foreground = gcValues.background;
|
| 1293 |
mask = GCForeground;
|
| 1294 |
if (butPtr->gray == None) {
|
| 1295 |
butPtr->gray = Tk_GetBitmap(NULL, butPtr->tkwin, "gray50");
|
| 1296 |
}
|
| 1297 |
if (butPtr->gray != None) {
|
| 1298 |
gcValues.fill_style = FillStippled;
|
| 1299 |
gcValues.stipple = butPtr->gray;
|
| 1300 |
mask |= GCFillStyle | GCStipple;
|
| 1301 |
}
|
| 1302 |
}
|
| 1303 |
newGC = Tk_GetGC(butPtr->tkwin, mask, &gcValues);
|
| 1304 |
if (butPtr->disabledGC != None) {
|
| 1305 |
Tk_FreeGC(butPtr->display, butPtr->disabledGC);
|
| 1306 |
}
|
| 1307 |
butPtr->disabledGC = newGC;
|
| 1308 |
|
| 1309 |
if (butPtr->copyGC == None) {
|
| 1310 |
butPtr->copyGC = Tk_GetGC(butPtr->tkwin, 0, &gcValues);
|
| 1311 |
}
|
| 1312 |
|
| 1313 |
TkpComputeButtonGeometry(butPtr);
|
| 1314 |
|
| 1315 |
/*
|
| 1316 |
* Lastly, arrange for the button to be redisplayed.
|
| 1317 |
*/
|
| 1318 |
|
| 1319 |
if (Tk_IsMapped(butPtr->tkwin) && !(butPtr->flags & REDRAW_PENDING)) {
|
| 1320 |
Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
|
| 1321 |
butPtr->flags |= REDRAW_PENDING;
|
| 1322 |
}
|
| 1323 |
}
|
| 1324 |
|
| 1325 |
/*
|
| 1326 |
*--------------------------------------------------------------
|
| 1327 |
*
|
| 1328 |
* ButtonEventProc --
|
| 1329 |
*
|
| 1330 |
* This procedure is invoked by the Tk dispatcher for various
|
| 1331 |
* events on buttons.
|
| 1332 |
*
|
| 1333 |
* Results:
|
| 1334 |
* None.
|
| 1335 |
*
|
| 1336 |
* Side effects:
|
| 1337 |
* When the window gets deleted, internal structures get
|
| 1338 |
* cleaned up. When it gets exposed, it is redisplayed.
|
| 1339 |
*
|
| 1340 |
*--------------------------------------------------------------
|
| 1341 |
*/
|
| 1342 |
|
| 1343 |
static void
|
| 1344 |
ButtonEventProc(clientData, eventPtr)
|
| 1345 |
ClientData clientData; /* Information about window. */
|
| 1346 |
XEvent *eventPtr; /* Information about event. */
|
| 1347 |
{
|
| 1348 |
TkButton *butPtr = (TkButton *) clientData;
|
| 1349 |
if ((eventPtr->type == Expose) && (eventPtr->xexpose.count == 0)) {
|
| 1350 |
goto redraw;
|
| 1351 |
} else if (eventPtr->type == ConfigureNotify) {
|
| 1352 |
/*
|
| 1353 |
* Must redraw after size changes, since layout could have changed
|
| 1354 |
* and borders will need to be redrawn.
|
| 1355 |
*/
|
| 1356 |
|
| 1357 |
goto redraw;
|
| 1358 |
} else if (eventPtr->type == DestroyNotify) {
|
| 1359 |
DestroyButton(butPtr);
|
| 1360 |
} else if (eventPtr->type == FocusIn) {
|
| 1361 |
if (eventPtr->xfocus.detail != NotifyInferior) {
|
| 1362 |
butPtr->flags |= GOT_FOCUS;
|
| 1363 |
if (butPtr->highlightWidth > 0) {
|
| 1364 |
goto redraw;
|
| 1365 |
}
|
| 1366 |
}
|
| 1367 |
} else if (eventPtr->type == FocusOut) {
|
| 1368 |
if (eventPtr->xfocus.detail != NotifyInferior) {
|
| 1369 |
butPtr->flags &= ~GOT_FOCUS;
|
| 1370 |
if (butPtr->highlightWidth > 0) {
|
| 1371 |
goto redraw;
|
| 1372 |
}
|
| 1373 |
}
|
| 1374 |
}
|
| 1375 |
return;
|
| 1376 |
|
| 1377 |
redraw:
|
| 1378 |
if ((butPtr->tkwin != NULL) && !(butPtr->flags & REDRAW_PENDING)) {
|
| 1379 |
Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
|
| 1380 |
butPtr->flags |= REDRAW_PENDING;
|
| 1381 |
}
|
| 1382 |
}
|
| 1383 |
|
| 1384 |
/*
|
| 1385 |
*----------------------------------------------------------------------
|
| 1386 |
*
|
| 1387 |
* ButtonCmdDeletedProc --
|
| 1388 |
*
|
| 1389 |
* This procedure is invoked when a widget command is deleted. If
|
| 1390 |
* the widget isn't already in the process of being destroyed,
|
| 1391 |
* this command destroys it.
|
| 1392 |
*
|
| 1393 |
* Results:
|
| 1394 |
* None.
|
| 1395 |
*
|
| 1396 |
* Side effects:
|
| 1397 |
* The widget is destroyed.
|
| 1398 |
*
|
| 1399 |
*----------------------------------------------------------------------
|
| 1400 |
*/
|
| 1401 |
|
| 1402 |
static void
|
| 1403 |
ButtonCmdDeletedProc(clientData)
|
| 1404 |
ClientData clientData; /* Pointer to widget record for widget. */
|
| 1405 |
{
|
| 1406 |
TkButton *butPtr = (TkButton *) clientData;
|
| 1407 |
|
| 1408 |
/*
|
| 1409 |
* This procedure could be invoked either because the window was
|
| 1410 |
* destroyed and the command was then deleted or because the command
|
| 1411 |
* was deleted, and then this procedure destroys the widget. The
|
| 1412 |
* BUTTON_DELETED flag distinguishes these cases.
|
| 1413 |
*/
|
| 1414 |
|
| 1415 |
if (!(butPtr->flags & BUTTON_DELETED)) {
|
| 1416 |
Tk_DestroyWindow(butPtr->tkwin);
|
| 1417 |
}
|
| 1418 |
}
|
| 1419 |
|
| 1420 |
/*
|
| 1421 |
*----------------------------------------------------------------------
|
| 1422 |
*
|
| 1423 |
* TkInvokeButton --
|
| 1424 |
*
|
| 1425 |
* This procedure is called to carry out the actions associated
|
| 1426 |
* with a button, such as invoking a Tcl command or setting a
|
| 1427 |
* variable. This procedure is invoked, for example, when the
|
| 1428 |
* button is invoked via the mouse.
|
| 1429 |
*
|
| 1430 |
* Results:
|
| 1431 |
* A standard Tcl return value. Information is also left in
|
| 1432 |
* the interp's result.
|
| 1433 |
*
|
| 1434 |
* Side effects:
|
| 1435 |
* Depends on the button and its associated command.
|
| 1436 |
*
|
| 1437 |
*----------------------------------------------------------------------
|
| 1438 |
*/
|
| 1439 |
|
| 1440 |
int
|
| 1441 |
TkInvokeButton(butPtr)
|
| 1442 |
TkButton *butPtr; /* Information about button. */
|
| 1443 |
{
|
| 1444 |
Tcl_Obj *namePtr = butPtr->selVarNamePtr;
|
| 1445 |
|
| 1446 |
if (butPtr->type == TYPE_CHECK_BUTTON) {
|
| 1447 |
if (butPtr->flags & SELECTED) {
|
| 1448 |
if (Tcl_ObjSetVar2(butPtr->interp, namePtr, NULL,
|
| 1449 |
butPtr->offValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
| 1450 |
== NULL) {
|
| 1451 |
return TCL_ERROR;
|
| 1452 |
}
|
| 1453 |
} else {
|
| 1454 |
if (Tcl_ObjSetVar2(butPtr->interp, namePtr, NULL,
|
| 1455 |
butPtr->onValuePtr, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
| 1456 |
== NULL) {
|
| 1457 |
return TCL_ERROR;
|
| 1458 |
}
|
| 1459 |
}
|
| 1460 |
} else if (butPtr->type == TYPE_RADIO_BUTTON) {
|
| 1461 |
if (Tcl_ObjSetVar2(butPtr->interp, namePtr, NULL, butPtr->onValuePtr,
|
| 1462 |
TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
|
| 1463 |
== NULL) {
|
| 1464 |
return TCL_ERROR;
|
| 1465 |
}
|
| 1466 |
}
|
| 1467 |
if ((butPtr->type != TYPE_LABEL) && (butPtr->commandPtr != NULL)) {
|
| 1468 |
return Tcl_EvalObjEx(butPtr->interp, butPtr->commandPtr,
|
| 1469 |
TCL_EVAL_GLOBAL);
|
| 1470 |
}
|
| 1471 |
return TCL_OK;
|
| 1472 |
}
|
| 1473 |
|
| 1474 |
/*
|
| 1475 |
*--------------------------------------------------------------
|
| 1476 |
*
|
| 1477 |
* ButtonVarProc --
|
| 1478 |
*
|
| 1479 |
* This procedure is invoked when someone changes the
|
| 1480 |
* state variable associated with a radio button. Depending
|
| 1481 |
* on the new value of the button's variable, the button
|
| 1482 |
* may be selected or deselected.
|
| 1483 |
*
|
| 1484 |
* Results:
|
| 1485 |
* NULL is always returned.
|
| 1486 |
*
|
| 1487 |
* Side effects:
|
| 1488 |
* The button may become selected or deselected.
|
| 1489 |
*
|
| 1490 |
*--------------------------------------------------------------
|
| 1491 |
*/
|
| 1492 |
|
| 1493 |
/* ARGSUSED */
|
| 1494 |
static char *
|
| 1495 |
ButtonVarProc(clientData, interp, name1, name2, flags)
|
| 1496 |
ClientData clientData; /* Information about button. */
|
| 1497 |
Tcl_Interp *interp; /* Interpreter containing variable. */
|
| 1498 |
char *name1; /* Name of variable. */
|
| 1499 |
char *name2; /* Second part of variable name. */
|
| 1500 |
int flags; /* Information about what happened. */
|
| 1501 |
{
|
| 1502 |
register TkButton *butPtr = (TkButton *) clientData;
|
| 1503 |
char *name, *value;
|
| 1504 |
Tcl_Obj *valuePtr;
|
| 1505 |
|
| 1506 |
name = Tcl_GetString(butPtr->selVarNamePtr);
|
| 1507 |
|
| 1508 |
/*
|
| 1509 |
* If the variable is being unset, then just re-establish the
|
| 1510 |
* trace unless the whole interpreter is going away.
|
| 1511 |
*/
|
| 1512 |
|
| 1513 |
if (flags & TCL_TRACE_UNSETS) {
|
| 1514 |
butPtr->flags &= ~SELECTED;
|
| 1515 |
if ((flags & TCL_TRACE_DESTROYED) && !(flags & TCL_INTERP_DESTROYED)) {
|
| 1516 |
Tcl_TraceVar(interp, name,
|
| 1517 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 1518 |
ButtonVarProc, clientData);
|
| 1519 |
}
|
| 1520 |
goto redisplay;
|
| 1521 |
}
|
| 1522 |
|
| 1523 |
/*
|
| 1524 |
* Use the value of the variable to update the selected status of
|
| 1525 |
* the button.
|
| 1526 |
*/
|
| 1527 |
|
| 1528 |
valuePtr = Tcl_GetVar2Ex(interp, name, NULL, TCL_GLOBAL_ONLY);
|
| 1529 |
if (valuePtr == NULL) {
|
| 1530 |
value = "";
|
| 1531 |
} else {
|
| 1532 |
value = Tcl_GetString(valuePtr);
|
| 1533 |
}
|
| 1534 |
if (strcmp(value, Tcl_GetString(butPtr->onValuePtr)) == 0) {
|
| 1535 |
if (butPtr->flags & SELECTED) {
|
| 1536 |
return (char *) NULL;
|
| 1537 |
}
|
| 1538 |
butPtr->flags |= SELECTED;
|
| 1539 |
} else if (butPtr->flags & SELECTED) {
|
| 1540 |
butPtr->flags &= ~SELECTED;
|
| 1541 |
} else {
|
| 1542 |
return (char *) NULL;
|
| 1543 |
}
|
| 1544 |
|
| 1545 |
redisplay:
|
| 1546 |
if ((butPtr->tkwin != NULL) && Tk_IsMapped(butPtr->tkwin)
|
| 1547 |
&& !(butPtr->flags & REDRAW_PENDING)) {
|
| 1548 |
Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
|
| 1549 |
butPtr->flags |= REDRAW_PENDING;
|
| 1550 |
}
|
| 1551 |
return (char *) NULL;
|
| 1552 |
}
|
| 1553 |
|
| 1554 |
/*
|
| 1555 |
*--------------------------------------------------------------
|
| 1556 |
*
|
| 1557 |
* ButtonTextVarProc --
|
| 1558 |
*
|
| 1559 |
* This procedure is invoked when someone changes the variable
|
| 1560 |
* whose contents are to be displayed in a button.
|
| 1561 |
*
|
| 1562 |
* Results:
|
| 1563 |
* NULL is always returned.
|
| 1564 |
*
|
| 1565 |
* Side effects:
|
| 1566 |
* The text displayed in the button will change to match the
|
| 1567 |
* variable.
|
| 1568 |
*
|
| 1569 |
*--------------------------------------------------------------
|
| 1570 |
*/
|
| 1571 |
|
| 1572 |
/* ARGSUSED */
|
| 1573 |
static char *
|
| 1574 |
ButtonTextVarProc(clientData, interp, name1, name2, flags)
|
| 1575 |
ClientData clientData; /* Information about button. */
|
| 1576 |
Tcl_Interp *interp; /* Interpreter containing variable. */
|
| 1577 |
char *name1; /* Not used. */
|
| 1578 |
char *name2; /* Not used. */
|
| 1579 |
int flags; /* Information about what happened. */
|
| 1580 |
{
|
| 1581 |
TkButton *butPtr = (TkButton *) clientData;
|
| 1582 |
char *name;
|
| 1583 |
Tcl_Obj *valuePtr;
|
| 1584 |
|
| 1585 |
name = Tcl_GetString(butPtr->textVarNamePtr);
|
| 1586 |
|
| 1587 |
/*
|
| 1588 |
* If the variable is unset, then immediately recreate it unless
|
| 1589 |
* the whole interpreter is going away.
|
| 1590 |
*/
|
| 1591 |
|
| 1592 |
if (flags & TCL_TRACE_UNSETS) {
|
| 1593 |
if ((flags & TCL_TRACE_DESTROYED) && !(flags & TCL_INTERP_DESTROYED)) {
|
| 1594 |
Tcl_SetVar2Ex(interp, name, NULL, butPtr->textPtr,
|
| 1595 |
TCL_GLOBAL_ONLY);
|
| 1596 |
Tcl_TraceVar(interp, name,
|
| 1597 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 1598 |
ButtonTextVarProc, clientData);
|
| 1599 |
}
|
| 1600 |
return (char *) NULL;
|
| 1601 |
}
|
| 1602 |
|
| 1603 |
valuePtr = Tcl_GetVar2Ex(interp, name, NULL, TCL_GLOBAL_ONLY);
|
| 1604 |
if (valuePtr == NULL) {
|
| 1605 |
valuePtr = Tcl_NewObj();
|
| 1606 |
}
|
| 1607 |
Tcl_DecrRefCount(butPtr->textPtr);
|
| 1608 |
butPtr->textPtr = valuePtr;
|
| 1609 |
Tcl_IncrRefCount(butPtr->textPtr);
|
| 1610 |
TkpComputeButtonGeometry(butPtr);
|
| 1611 |
|
| 1612 |
if ((butPtr->tkwin != NULL) && Tk_IsMapped(butPtr->tkwin)
|
| 1613 |
&& !(butPtr->flags & REDRAW_PENDING)) {
|
| 1614 |
Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
|
| 1615 |
butPtr->flags |= REDRAW_PENDING;
|
| 1616 |
}
|
| 1617 |
return (char *) NULL;
|
| 1618 |
}
|
| 1619 |
|
| 1620 |
/*
|
| 1621 |
*----------------------------------------------------------------------
|
| 1622 |
*
|
| 1623 |
* ButtonImageProc --
|
| 1624 |
*
|
| 1625 |
* This procedure is invoked by the image code whenever the manager
|
| 1626 |
* for an image does something that affects the size or contents
|
| 1627 |
* of an image displayed in a button.
|
| 1628 |
*
|
| 1629 |
* Results:
|
| 1630 |
* None.
|
| 1631 |
*
|
| 1632 |
* Side effects:
|
| 1633 |
* Arranges for the button to get redisplayed.
|
| 1634 |
*
|
| 1635 |
*----------------------------------------------------------------------
|
| 1636 |
*/
|
| 1637 |
|
| 1638 |
static void
|
| 1639 |
ButtonImageProc(clientData, x, y, width, height, imgWidth, imgHeight)
|
| 1640 |
ClientData clientData; /* Pointer to widget record. */
|
| 1641 |
int x, y; /* Upper left pixel (within image)
|
| 1642 |
* that must be redisplayed. */
|
| 1643 |
int width, height; /* Dimensions of area to redisplay
|
| 1644 |
* (may be <= 0). */
|
| 1645 |
int imgWidth, imgHeight; /* New dimensions of image. */
|
| 1646 |
{
|
| 1647 |
register TkButton *butPtr = (TkButton *) clientData;
|
| 1648 |
|
| 1649 |
if (butPtr->tkwin != NULL) {
|
| 1650 |
TkpComputeButtonGeometry(butPtr);
|
| 1651 |
if (Tk_IsMapped(butPtr->tkwin) && !(butPtr->flags & REDRAW_PENDING)) {
|
| 1652 |
Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
|
| 1653 |
butPtr->flags |= REDRAW_PENDING;
|
| 1654 |
}
|
| 1655 |
}
|
| 1656 |
}
|
| 1657 |
|
| 1658 |
/*
|
| 1659 |
*----------------------------------------------------------------------
|
| 1660 |
*
|
| 1661 |
* ButtonSelectImageProc --
|
| 1662 |
*
|
| 1663 |
* This procedure is invoked by the image code whenever the manager
|
| 1664 |
* for an image does something that affects the size or contents
|
| 1665 |
* of the image displayed in a button when it is selected.
|
| 1666 |
*
|
| 1667 |
* Results:
|
| 1668 |
* None.
|
| 1669 |
*
|
| 1670 |
* Side effects:
|
| 1671 |
* May arrange for the button to get redisplayed.
|
| 1672 |
*
|
| 1673 |
*----------------------------------------------------------------------
|
| 1674 |
*/
|
| 1675 |
|
| 1676 |
static void
|
| 1677 |
ButtonSelectImageProc(clientData, x, y, width, height, imgWidth, imgHeight)
|
| 1678 |
ClientData clientData; /* Pointer to widget record. */
|
| 1679 |
int x, y; /* Upper left pixel (within image)
|
| 1680 |
* that must be redisplayed. */
|
| 1681 |
int width, height; /* Dimensions of area to redisplay
|
| 1682 |
* (may be <= 0). */
|
| 1683 |
int imgWidth, imgHeight; /* New dimensions of image. */
|
| 1684 |
{
|
| 1685 |
register TkButton *butPtr = (TkButton *) clientData;
|
| 1686 |
|
| 1687 |
/*
|
| 1688 |
* Don't recompute geometry: it's controlled by the primary image.
|
| 1689 |
*/
|
| 1690 |
|
| 1691 |
if ((butPtr->flags & SELECTED) && (butPtr->tkwin != NULL)
|
| 1692 |
&& Tk_IsMapped(butPtr->tkwin)
|
| 1693 |
&& !(butPtr->flags & REDRAW_PENDING)) {
|
| 1694 |
Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) butPtr);
|
| 1695 |
butPtr->flags |= REDRAW_PENDING;
|
| 1696 |
}
|
| 1697 |
}
|
| 1698 |
|
| 1699 |
|
| 1700 |
/* $History: tkButton.c $
|
| 1701 |
*
|
| 1702 |
* ***************** Version 1 *****************
|
| 1703 |
* User: Dtashley Date: 1/02/01 Time: 2:38a
|
| 1704 |
* Created in $/IjuScripter, IjuConsole/Source/Tk Base
|
| 1705 |
* Initial check-in.
|
| 1706 |
*/
|
| 1707 |
|
| 1708 |
/* End of TKBUTTON.C */ |
Parent Directory
| 
Revision Log