| 1 |
/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tk_base/tkmenubutton.c,v 1.1.1.1 2001/06/13 05:05:54 dtashley Exp $ */
|
| 2 |
|
| 3 |
/*
|
| 4 |
* tkMenubutton.c --
|
| 5 |
*
|
| 6 |
* This module implements button-like widgets that are used
|
| 7 |
* to invoke pull-down menus.
|
| 8 |
*
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| 9 |
* Copyright (c) 1990-1994 The Regents of the University of California.
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| 10 |
* Copyright (c) 1994-1997 Sun Microsystems, Inc.
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| 11 |
*
|
| 12 |
* See the file "license.terms" for information on usage and redistribution
|
| 13 |
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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| 14 |
*
|
| 15 |
* RCS: @(#) $Id: tkmenubutton.c,v 1.1.1.1 2001/06/13 05:05:54 dtashley Exp $
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*/
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| 18 |
#include "tkMenubutton.h"
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| 19 |
#include "tkPort.h"
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| 20 |
#include "default.h"
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| 21 |
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| 22 |
/*
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| 23 |
* The following table defines the legal values for the -direction
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| 24 |
* option. It is used together with the "enum direction" declaration
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| 25 |
* in tkMenubutton.h.
|
| 26 |
*/
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| 27 |
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| 28 |
static char *directionStrings[] = {
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| 29 |
"above", "below", "flush", "left", "right", (char *) NULL
|
| 30 |
};
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| 31 |
|
| 32 |
/*
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| 33 |
* The following table defines the legal values for the -state option.
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| 34 |
* It is used together with the "enum state" declaration in tkMenubutton.h.
|
| 35 |
*/
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| 36 |
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| 37 |
static char *stateStrings[] = {
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| 38 |
"active", "disabled", "normal", (char *) NULL
|
| 39 |
};
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| 40 |
|
| 41 |
/*
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| 42 |
* Information used for parsing configuration specs:
|
| 43 |
*/
|
| 44 |
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| 45 |
static Tk_OptionSpec optionSpecs[] = {
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| 46 |
{TK_OPTION_BORDER, "-activebackground", "activeBackground", "Foreground",
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| 47 |
DEF_MENUBUTTON_ACTIVE_BG_COLOR, -1,
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| 48 |
Tk_Offset(TkMenuButton, activeBorder), 0,
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| 49 |
(ClientData) DEF_MENUBUTTON_ACTIVE_BG_MONO, 0},
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| 50 |
{TK_OPTION_COLOR, "-activeforeground", "activeForeground", "Background",
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| 51 |
DEF_MENUBUTTON_ACTIVE_FG_COLOR, -1,
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Tk_Offset(TkMenuButton, activeFg),
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| 53 |
0, (ClientData) DEF_MENUBUTTON_ACTIVE_FG_MONO, 0},
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| 54 |
{TK_OPTION_ANCHOR, "-anchor", "anchor", "Anchor",
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| 55 |
DEF_MENUBUTTON_ANCHOR, -1,
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| 56 |
Tk_Offset(TkMenuButton, anchor), 0, 0, 0},
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| 57 |
{TK_OPTION_BORDER, "-background", "background", "Background",
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| 58 |
DEF_MENUBUTTON_BG_COLOR, -1, Tk_Offset(TkMenuButton, normalBorder),
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| 59 |
0, (ClientData) DEF_MENUBUTTON_BG_MONO, 0},
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| 60 |
{TK_OPTION_SYNONYM, "-bd", (char *) NULL, (char *) NULL,
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| 61 |
(char *) NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
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| 62 |
{TK_OPTION_SYNONYM, "-bg", (char *) NULL, (char *) NULL,
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(char *) NULL, 0, -1, 0, (ClientData) "-background", 0},
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{TK_OPTION_BITMAP, "-bitmap", "bitmap", "Bitmap",
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DEF_MENUBUTTON_BITMAP, -1, Tk_Offset(TkMenuButton, 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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DEF_MENUBUTTON_BORDER_WIDTH, -1,
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Tk_Offset(TkMenuButton, borderWidth), 0, 0, 0},
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{TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
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| 71 |
DEF_MENUBUTTON_CURSOR, -1, Tk_Offset(TkMenuButton, cursor),
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TK_OPTION_NULL_OK, 0, 0},
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| 73 |
{TK_OPTION_STRING_TABLE, "-direction", "direction", "Direction",
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| 74 |
DEF_MENUBUTTON_DIRECTION, -1, Tk_Offset(TkMenuButton, direction),
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| 75 |
0, (ClientData) directionStrings, 0},
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| 76 |
{TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
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| 77 |
"DisabledForeground", DEF_MENUBUTTON_DISABLED_FG_COLOR,
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| 78 |
-1, Tk_Offset(TkMenuButton, disabledFg), TK_OPTION_NULL_OK,
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| 79 |
(ClientData) DEF_MENUBUTTON_DISABLED_FG_MONO, 0},
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| 80 |
{TK_OPTION_SYNONYM, "-fg", "foreground", (char *) NULL,
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| 81 |
(char *) NULL, 0, -1, 0, (ClientData) "-foreground", 0},
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| 82 |
{TK_OPTION_FONT, "-font", "font", "Font",
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| 83 |
DEF_MENUBUTTON_FONT, -1, Tk_Offset(TkMenuButton, tkfont), 0, 0, 0},
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| 84 |
{TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
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| 85 |
DEF_MENUBUTTON_FG, -1, Tk_Offset(TkMenuButton, normalFg), 0, 0, 0},
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| 86 |
{TK_OPTION_STRING, "-height", "height", "Height",
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| 87 |
DEF_MENUBUTTON_HEIGHT, -1, Tk_Offset(TkMenuButton, heightString),
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| 88 |
0, 0, 0},
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| 89 |
{TK_OPTION_COLOR, "-highlightbackground", "highlightBackground",
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| 90 |
"HighlightBackground", DEF_MENUBUTTON_HIGHLIGHT_BG_COLOR,
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| 91 |
-1, Tk_Offset(TkMenuButton, highlightBgColorPtr), 0, 0, 0},
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| 92 |
{TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
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| 93 |
DEF_MENUBUTTON_HIGHLIGHT, -1,
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| 94 |
Tk_Offset(TkMenuButton, highlightColorPtr), 0, 0, 0},
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| 95 |
{TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
|
| 96 |
"HighlightThickness", DEF_MENUBUTTON_HIGHLIGHT_WIDTH,
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| 97 |
-1, Tk_Offset(TkMenuButton, highlightWidth), 0, 0, 0},
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| 98 |
{TK_OPTION_STRING, "-image", "image", "Image",
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| 99 |
DEF_MENUBUTTON_IMAGE, -1, Tk_Offset(TkMenuButton, imageString),
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| 100 |
TK_OPTION_NULL_OK, 0, 0},
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| 101 |
{TK_OPTION_BOOLEAN, "-indicatoron", "indicatorOn", "IndicatorOn",
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| 102 |
DEF_MENUBUTTON_INDICATOR, -1, Tk_Offset(TkMenuButton, indicatorOn),
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| 103 |
0, 0, 0},
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| 104 |
{TK_OPTION_JUSTIFY, "-justify", "justify", "Justify",
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| 105 |
DEF_BUTTON_JUSTIFY, -1, Tk_Offset(TkMenuButton, justify), 0, 0, 0},
|
| 106 |
{TK_OPTION_STRING, "-menu", "menu", "Menu",
|
| 107 |
DEF_MENUBUTTON_MENU, -1, Tk_Offset(TkMenuButton, menuName),
|
| 108 |
TK_OPTION_NULL_OK, 0, 0},
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| 109 |
{TK_OPTION_PIXELS, "-padx", "padX", "Pad",
|
| 110 |
DEF_MENUBUTTON_PADX, -1, Tk_Offset(TkMenuButton, padX),
|
| 111 |
0, 0, 0},
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| 112 |
{TK_OPTION_PIXELS, "-pady", "padY", "Pad",
|
| 113 |
DEF_MENUBUTTON_PADY, -1, Tk_Offset(TkMenuButton, padY),
|
| 114 |
0, 0, 0},
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| 115 |
{TK_OPTION_RELIEF, "-relief", "relief", "Relief",
|
| 116 |
DEF_MENUBUTTON_RELIEF, -1, Tk_Offset(TkMenuButton, relief),
|
| 117 |
0, 0, 0},
|
| 118 |
{TK_OPTION_STRING_TABLE, "-state", "state", "State",
|
| 119 |
DEF_MENUBUTTON_STATE, -1, Tk_Offset(TkMenuButton, state),
|
| 120 |
0, (ClientData) stateStrings, 0},
|
| 121 |
{TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
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| 122 |
DEF_MENUBUTTON_TAKE_FOCUS, -1,
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| 123 |
Tk_Offset(TkMenuButton, takeFocus), TK_OPTION_NULL_OK, 0, 0},
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| 124 |
{TK_OPTION_STRING, "-text", "text", "Text",
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| 125 |
DEF_MENUBUTTON_TEXT, -1, Tk_Offset(TkMenuButton, text), 0, 0, 0},
|
| 126 |
{TK_OPTION_STRING, "-textvariable", "textVariable", "Variable",
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| 127 |
DEF_MENUBUTTON_TEXT_VARIABLE, -1,
|
| 128 |
Tk_Offset(TkMenuButton, textVarName), TK_OPTION_NULL_OK, 0, 0},
|
| 129 |
{TK_OPTION_INT, "-underline", "underline", "Underline",
|
| 130 |
DEF_MENUBUTTON_UNDERLINE, -1, Tk_Offset(TkMenuButton, underline),
|
| 131 |
0, 0, 0},
|
| 132 |
{TK_OPTION_STRING, "-width", "width", "Width",
|
| 133 |
DEF_MENUBUTTON_WIDTH, -1, Tk_Offset(TkMenuButton, widthString),
|
| 134 |
0, 0, 0},
|
| 135 |
{TK_OPTION_PIXELS, "-wraplength", "wrapLength", "WrapLength",
|
| 136 |
DEF_MENUBUTTON_WRAP_LENGTH, -1, Tk_Offset(TkMenuButton, wrapLength),
|
| 137 |
0, 0, 0},
|
| 138 |
{TK_OPTION_END, (char *) NULL, (char *) NULL, (char *) NULL,
|
| 139 |
(char *) NULL, 0, 0}
|
| 140 |
};
|
| 141 |
|
| 142 |
/*
|
| 143 |
* The following tables define the menubutton widget commands and map the
|
| 144 |
* indexes into the string tables into a single enumerated type used
|
| 145 |
* to dispatch the scale widget command.
|
| 146 |
*/
|
| 147 |
|
| 148 |
static char *commandNames[] = {
|
| 149 |
"cget", "configure", (char *) NULL
|
| 150 |
};
|
| 151 |
|
| 152 |
enum command {
|
| 153 |
COMMAND_CGET, COMMAND_CONFIGURE
|
| 154 |
};
|
| 155 |
|
| 156 |
/*
|
| 157 |
* Forward declarations for procedures defined later in this file:
|
| 158 |
*/
|
| 159 |
|
| 160 |
static void MenuButtonCmdDeletedProc _ANSI_ARGS_((
|
| 161 |
ClientData clientData));
|
| 162 |
static void MenuButtonEventProc _ANSI_ARGS_((ClientData clientData,
|
| 163 |
XEvent *eventPtr));
|
| 164 |
static void MenuButtonImageProc _ANSI_ARGS_((ClientData clientData,
|
| 165 |
int x, int y, int width, int height, int imgWidth,
|
| 166 |
int imgHeight));
|
| 167 |
static char * MenuButtonTextVarProc _ANSI_ARGS_((
|
| 168 |
ClientData clientData, Tcl_Interp *interp,
|
| 169 |
char *name1, char *name2, int flags));
|
| 170 |
static int MenuButtonWidgetObjCmd _ANSI_ARGS_((
|
| 171 |
ClientData clientData, Tcl_Interp *interp,
|
| 172 |
int objc, Tcl_Obj *CONST objv[]));
|
| 173 |
static int ConfigureMenuButton _ANSI_ARGS_((Tcl_Interp *interp,
|
| 174 |
TkMenuButton *mbPtr, int objc,
|
| 175 |
Tcl_Obj *CONST objv[]));
|
| 176 |
static void DestroyMenuButton _ANSI_ARGS_((char *memPtr));
|
| 177 |
|
| 178 |
/*
|
| 179 |
*--------------------------------------------------------------
|
| 180 |
*
|
| 181 |
* Tk_MenubuttonObjCmd --
|
| 182 |
*
|
| 183 |
* This procedure is invoked to process the "button", "label",
|
| 184 |
* "radiobutton", and "checkbutton" Tcl commands. See the
|
| 185 |
* user documentation for details on what it does.
|
| 186 |
*
|
| 187 |
* Results:
|
| 188 |
* A standard Tcl result.
|
| 189 |
*
|
| 190 |
* Side effects:
|
| 191 |
* See the user documentation.
|
| 192 |
*
|
| 193 |
*--------------------------------------------------------------
|
| 194 |
*/
|
| 195 |
|
| 196 |
int
|
| 197 |
Tk_MenubuttonObjCmd(clientData, interp, objc, objv)
|
| 198 |
ClientData clientData; /* Either NULL or pointer to
|
| 199 |
* option table. */
|
| 200 |
Tcl_Interp *interp; /* Current interpreter. */
|
| 201 |
int objc; /* Number of arguments. */
|
| 202 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
| 203 |
{
|
| 204 |
register TkMenuButton *mbPtr;
|
| 205 |
Tk_OptionTable optionTable;
|
| 206 |
Tk_Window tkwin;
|
| 207 |
|
| 208 |
optionTable = (Tk_OptionTable) clientData;
|
| 209 |
if (optionTable == NULL) {
|
| 210 |
Tcl_CmdInfo info;
|
| 211 |
char *name;
|
| 212 |
|
| 213 |
/*
|
| 214 |
* We haven't created the option table for this widget class
|
| 215 |
* yet. Do it now and save the table as the clientData for
|
| 216 |
* the command, so we'll have access to it in future
|
| 217 |
* invocations of the command.
|
| 218 |
*/
|
| 219 |
|
| 220 |
optionTable = Tk_CreateOptionTable(interp, optionSpecs);
|
| 221 |
name = Tcl_GetString(objv[0]);
|
| 222 |
Tcl_GetCommandInfo(interp, name, &info);
|
| 223 |
info.objClientData = (ClientData) optionTable;
|
| 224 |
Tcl_SetCommandInfo(interp, name, &info);
|
| 225 |
}
|
| 226 |
|
| 227 |
if (objc < 2) {
|
| 228 |
Tcl_WrongNumArgs(interp, 1, objv, "pathName ?options?");
|
| 229 |
return TCL_ERROR;
|
| 230 |
}
|
| 231 |
|
| 232 |
/*
|
| 233 |
* Create the new window.
|
| 234 |
*/
|
| 235 |
|
| 236 |
tkwin = Tk_CreateWindowFromPath(interp,
|
| 237 |
Tk_MainWindow(interp), Tcl_GetString(objv[1]), (char *) NULL);
|
| 238 |
if (tkwin == NULL) {
|
| 239 |
return TCL_ERROR;
|
| 240 |
}
|
| 241 |
|
| 242 |
Tk_SetClass(tkwin, "Menubutton");
|
| 243 |
mbPtr = TkpCreateMenuButton(tkwin);
|
| 244 |
|
| 245 |
TkSetClassProcs(tkwin, &tkpMenubuttonClass, (ClientData) mbPtr);
|
| 246 |
|
| 247 |
/*
|
| 248 |
* Initialize the data structure for the button.
|
| 249 |
*/
|
| 250 |
|
| 251 |
mbPtr->tkwin = tkwin;
|
| 252 |
mbPtr->display = Tk_Display (tkwin);
|
| 253 |
mbPtr->interp = interp;
|
| 254 |
mbPtr->widgetCmd = Tcl_CreateObjCommand(interp,
|
| 255 |
Tk_PathName(mbPtr->tkwin), MenuButtonWidgetObjCmd,
|
| 256 |
(ClientData) mbPtr, MenuButtonCmdDeletedProc);
|
| 257 |
mbPtr->optionTable = optionTable;
|
| 258 |
mbPtr->menuName = NULL;
|
| 259 |
mbPtr->text = NULL;
|
| 260 |
mbPtr->underline = -1;
|
| 261 |
mbPtr->textVarName = NULL;
|
| 262 |
mbPtr->bitmap = None;
|
| 263 |
mbPtr->imageString = NULL;
|
| 264 |
mbPtr->image = NULL;
|
| 265 |
mbPtr->state = STATE_NORMAL;
|
| 266 |
mbPtr->normalBorder = NULL;
|
| 267 |
mbPtr->activeBorder = NULL;
|
| 268 |
mbPtr->borderWidth = 0;
|
| 269 |
mbPtr->relief = TK_RELIEF_FLAT;
|
| 270 |
mbPtr->highlightWidth = 0;
|
| 271 |
mbPtr->highlightBgColorPtr = NULL;
|
| 272 |
mbPtr->highlightColorPtr = NULL;
|
| 273 |
mbPtr->inset = 0;
|
| 274 |
mbPtr->tkfont = NULL;
|
| 275 |
mbPtr->normalFg = NULL;
|
| 276 |
mbPtr->activeFg = NULL;
|
| 277 |
mbPtr->disabledFg = NULL;
|
| 278 |
mbPtr->normalTextGC = None;
|
| 279 |
mbPtr->activeTextGC = None;
|
| 280 |
mbPtr->gray = None;
|
| 281 |
mbPtr->disabledGC = None;
|
| 282 |
mbPtr->leftBearing = 0;
|
| 283 |
mbPtr->rightBearing = 0;
|
| 284 |
mbPtr->widthString = NULL;
|
| 285 |
mbPtr->heightString = NULL;
|
| 286 |
mbPtr->width = 0;
|
| 287 |
mbPtr->width = 0;
|
| 288 |
mbPtr->wrapLength = 0;
|
| 289 |
mbPtr->padX = 0;
|
| 290 |
mbPtr->padY = 0;
|
| 291 |
mbPtr->anchor = TK_ANCHOR_CENTER;
|
| 292 |
mbPtr->justify = TK_JUSTIFY_CENTER;
|
| 293 |
mbPtr->textLayout = NULL;
|
| 294 |
mbPtr->indicatorOn = 0;
|
| 295 |
mbPtr->indicatorWidth = 0;
|
| 296 |
mbPtr->indicatorHeight = 0;
|
| 297 |
mbPtr->direction = DIRECTION_FLUSH;
|
| 298 |
mbPtr->cursor = None;
|
| 299 |
mbPtr->takeFocus = NULL;
|
| 300 |
mbPtr->flags = 0;
|
| 301 |
|
| 302 |
Tk_CreateEventHandler(mbPtr->tkwin,
|
| 303 |
ExposureMask|StructureNotifyMask|FocusChangeMask,
|
| 304 |
MenuButtonEventProc, (ClientData) mbPtr);
|
| 305 |
|
| 306 |
if (Tk_InitOptions(interp, (char *) mbPtr, optionTable, tkwin)
|
| 307 |
!= TCL_OK) {
|
| 308 |
Tk_DestroyWindow(mbPtr->tkwin);
|
| 309 |
return TCL_ERROR;
|
| 310 |
}
|
| 311 |
|
| 312 |
if (ConfigureMenuButton(interp, mbPtr, objc-2, objv+2) != TCL_OK) {
|
| 313 |
Tk_DestroyWindow(mbPtr->tkwin);
|
| 314 |
return TCL_ERROR;
|
| 315 |
}
|
| 316 |
|
| 317 |
Tcl_SetStringObj(Tcl_GetObjResult(interp), Tk_PathName(mbPtr->tkwin),
|
| 318 |
-1);
|
| 319 |
return TCL_OK;
|
| 320 |
}
|
| 321 |
|
| 322 |
/*
|
| 323 |
*--------------------------------------------------------------
|
| 324 |
*
|
| 325 |
* MenuButtonWidgetObjCmd --
|
| 326 |
*
|
| 327 |
* This procedure is invoked to process the Tcl command
|
| 328 |
* that corresponds to a widget managed by this module.
|
| 329 |
* See the user documentation for details on what it does.
|
| 330 |
*
|
| 331 |
* Results:
|
| 332 |
* A standard Tcl result.
|
| 333 |
*
|
| 334 |
* Side effects:
|
| 335 |
* See the user documentation.
|
| 336 |
*
|
| 337 |
*--------------------------------------------------------------
|
| 338 |
*/
|
| 339 |
|
| 340 |
static int
|
| 341 |
MenuButtonWidgetObjCmd(clientData, interp, objc, objv)
|
| 342 |
ClientData clientData; /* Information about button widget. */
|
| 343 |
Tcl_Interp *interp; /* Current interpreter. */
|
| 344 |
int objc; /* Number of arguments. */
|
| 345 |
Tcl_Obj *CONST objv[]; /* Argument objects. */
|
| 346 |
{
|
| 347 |
register TkMenuButton *mbPtr = (TkMenuButton *) clientData;
|
| 348 |
int result, index;
|
| 349 |
Tcl_Obj *objPtr;
|
| 350 |
|
| 351 |
if (objc < 2) {
|
| 352 |
Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg ...?");
|
| 353 |
return TCL_ERROR;
|
| 354 |
}
|
| 355 |
result = Tcl_GetIndexFromObj(interp, objv[1],
|
| 356 |
commandNames, "option", 0, &index);
|
| 357 |
if (result != TCL_OK) {
|
| 358 |
return result;
|
| 359 |
}
|
| 360 |
Tcl_Preserve((ClientData) mbPtr);
|
| 361 |
|
| 362 |
switch (index) {
|
| 363 |
case COMMAND_CGET: {
|
| 364 |
if (objc != 3) {
|
| 365 |
Tcl_WrongNumArgs(interp, 1, objv, "cget option");
|
| 366 |
goto error;
|
| 367 |
}
|
| 368 |
|
| 369 |
objPtr = Tk_GetOptionValue(interp, (char *) mbPtr,
|
| 370 |
mbPtr->optionTable, objv[2], mbPtr->tkwin);
|
| 371 |
if (objPtr == NULL) {
|
| 372 |
goto error;
|
| 373 |
} else {
|
| 374 |
Tcl_SetObjResult(interp, objPtr);
|
| 375 |
}
|
| 376 |
break;
|
| 377 |
}
|
| 378 |
|
| 379 |
case COMMAND_CONFIGURE: {
|
| 380 |
if (objc <= 3) {
|
| 381 |
objPtr = Tk_GetOptionInfo(interp, (char *) mbPtr,
|
| 382 |
mbPtr->optionTable,
|
| 383 |
(objc == 3) ? objv[2] : (Tcl_Obj *) NULL,
|
| 384 |
mbPtr->tkwin);
|
| 385 |
if (objPtr == NULL) {
|
| 386 |
goto error;
|
| 387 |
} else {
|
| 388 |
Tcl_SetObjResult(interp, objPtr);
|
| 389 |
}
|
| 390 |
} else {
|
| 391 |
result = ConfigureMenuButton(interp, mbPtr, objc-2,
|
| 392 |
objv+2);
|
| 393 |
}
|
| 394 |
break;
|
| 395 |
}
|
| 396 |
}
|
| 397 |
Tcl_Release((ClientData) mbPtr);
|
| 398 |
return result;
|
| 399 |
|
| 400 |
error:
|
| 401 |
Tcl_Release((ClientData) mbPtr);
|
| 402 |
return TCL_ERROR;
|
| 403 |
}
|
| 404 |
|
| 405 |
/*
|
| 406 |
*----------------------------------------------------------------------
|
| 407 |
*
|
| 408 |
* DestroyMenuButton --
|
| 409 |
*
|
| 410 |
* This procedure is invoked to recycle all of the resources
|
| 411 |
* associated with a menubutton widget. It is invoked as a
|
| 412 |
* when-idle handler in order to make sure that there is no
|
| 413 |
* other use of the menubutton pending at the time of the deletion.
|
| 414 |
*
|
| 415 |
* Results:
|
| 416 |
* None.
|
| 417 |
*
|
| 418 |
* Side effects:
|
| 419 |
* Everything associated with the widget is freed up.
|
| 420 |
*
|
| 421 |
*----------------------------------------------------------------------
|
| 422 |
*/
|
| 423 |
|
| 424 |
static void
|
| 425 |
DestroyMenuButton(memPtr)
|
| 426 |
char *memPtr; /* Info about button widget. */
|
| 427 |
{
|
| 428 |
register TkMenuButton *mbPtr = (TkMenuButton *) memPtr;
|
| 429 |
TkpDestroyMenuButton(mbPtr);
|
| 430 |
|
| 431 |
if (mbPtr->flags & REDRAW_PENDING) {
|
| 432 |
Tcl_CancelIdleCall(TkpDisplayMenuButton, (ClientData) mbPtr);
|
| 433 |
}
|
| 434 |
|
| 435 |
/*
|
| 436 |
* Free up all the stuff that requires special handling, then
|
| 437 |
* let Tk_FreeOptions handle all the standard option-related
|
| 438 |
* stuff.
|
| 439 |
*/
|
| 440 |
|
| 441 |
Tcl_DeleteCommandFromToken(mbPtr->interp, mbPtr->widgetCmd);
|
| 442 |
if (mbPtr->textVarName != NULL) {
|
| 443 |
Tcl_UntraceVar(mbPtr->interp, mbPtr->textVarName,
|
| 444 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 445 |
MenuButtonTextVarProc, (ClientData) mbPtr);
|
| 446 |
}
|
| 447 |
if (mbPtr->image != NULL) {
|
| 448 |
Tk_FreeImage(mbPtr->image);
|
| 449 |
}
|
| 450 |
if (mbPtr->normalTextGC != None) {
|
| 451 |
Tk_FreeGC(mbPtr->display, mbPtr->normalTextGC);
|
| 452 |
}
|
| 453 |
if (mbPtr->activeTextGC != None) {
|
| 454 |
Tk_FreeGC(mbPtr->display, mbPtr->activeTextGC);
|
| 455 |
}
|
| 456 |
if (mbPtr->disabledGC != None) {
|
| 457 |
Tk_FreeGC(mbPtr->display, mbPtr->disabledGC);
|
| 458 |
}
|
| 459 |
if (mbPtr->gray != None) {
|
| 460 |
Tk_FreeBitmap(mbPtr->display, mbPtr->gray);
|
| 461 |
}
|
| 462 |
if (mbPtr->textLayout != NULL) {
|
| 463 |
Tk_FreeTextLayout(mbPtr->textLayout);
|
| 464 |
}
|
| 465 |
Tk_FreeConfigOptions((char *) mbPtr, mbPtr->optionTable,
|
| 466 |
mbPtr->tkwin);
|
| 467 |
mbPtr->tkwin = NULL;
|
| 468 |
Tcl_EventuallyFree((ClientData) mbPtr, TCL_DYNAMIC);
|
| 469 |
}
|
| 470 |
|
| 471 |
/*
|
| 472 |
*----------------------------------------------------------------------
|
| 473 |
*
|
| 474 |
* ConfigureMenuButton --
|
| 475 |
*
|
| 476 |
* This procedure is called to process an argv/argc list, plus
|
| 477 |
* the Tk option database, in order to configure (or
|
| 478 |
* reconfigure) a menubutton widget.
|
| 479 |
*
|
| 480 |
* Results:
|
| 481 |
* The return value is a standard Tcl result. If TCL_ERROR is
|
| 482 |
* returned, then the interp's result contains an error message.
|
| 483 |
*
|
| 484 |
* Side effects:
|
| 485 |
* Configuration information, such as text string, colors, font,
|
| 486 |
* etc. get set for mbPtr; old resources get freed, if there
|
| 487 |
* were any. The menubutton is redisplayed.
|
| 488 |
*
|
| 489 |
*----------------------------------------------------------------------
|
| 490 |
*/
|
| 491 |
|
| 492 |
static int
|
| 493 |
ConfigureMenuButton(interp, mbPtr, objc, objv)
|
| 494 |
Tcl_Interp *interp; /* Used for error reporting. */
|
| 495 |
register TkMenuButton *mbPtr;
|
| 496 |
/* Information about widget; may or may
|
| 497 |
* not already have values for some
|
| 498 |
* fields. */
|
| 499 |
int objc; /* Number of valid entries in objv. */
|
| 500 |
Tcl_Obj *CONST objv[]; /* Arguments. */
|
| 501 |
{
|
| 502 |
Tk_SavedOptions savedOptions;
|
| 503 |
Tcl_Obj *errorResult = NULL;
|
| 504 |
int error;
|
| 505 |
Tk_Image image;
|
| 506 |
|
| 507 |
/*
|
| 508 |
* Eliminate any existing trace on variables monitored by the
|
| 509 |
* menubutton.
|
| 510 |
*/
|
| 511 |
|
| 512 |
if (mbPtr->textVarName != NULL) {
|
| 513 |
Tcl_UntraceVar(interp, mbPtr->textVarName,
|
| 514 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 515 |
MenuButtonTextVarProc, (ClientData) mbPtr);
|
| 516 |
}
|
| 517 |
|
| 518 |
/*
|
| 519 |
* The following loop is potentially executed twice. During the
|
| 520 |
* first pass configuration options get set to their new values.
|
| 521 |
* If there is an error in this pass, we execute a second pass
|
| 522 |
* to restore all the options to their previous values.
|
| 523 |
*/
|
| 524 |
|
| 525 |
for (error = 0; error <= 1; error++) {
|
| 526 |
if (!error) {
|
| 527 |
/*
|
| 528 |
* First pass: set options to new values.
|
| 529 |
*/
|
| 530 |
|
| 531 |
if (Tk_SetOptions(interp, (char *) mbPtr,
|
| 532 |
mbPtr->optionTable, objc, objv,
|
| 533 |
mbPtr->tkwin, &savedOptions, (int *) NULL) != TCL_OK) {
|
| 534 |
continue;
|
| 535 |
}
|
| 536 |
} else {
|
| 537 |
/*
|
| 538 |
* Second pass: restore options to old values.
|
| 539 |
*/
|
| 540 |
|
| 541 |
errorResult = Tcl_GetObjResult(interp);
|
| 542 |
Tcl_IncrRefCount(errorResult);
|
| 543 |
Tk_RestoreSavedOptions(&savedOptions);
|
| 544 |
}
|
| 545 |
|
| 546 |
/*
|
| 547 |
* A few options need special processing, such as setting the
|
| 548 |
* background from a 3-D border, or filling in complicated
|
| 549 |
* defaults that couldn't be specified to Tk_SetOptions.
|
| 550 |
*/
|
| 551 |
|
| 552 |
if ((mbPtr->state == STATE_ACTIVE)
|
| 553 |
&& !Tk_StrictMotif(mbPtr->tkwin)) {
|
| 554 |
Tk_SetBackgroundFromBorder(mbPtr->tkwin, mbPtr->activeBorder);
|
| 555 |
} else {
|
| 556 |
Tk_SetBackgroundFromBorder(mbPtr->tkwin, mbPtr->normalBorder);
|
| 557 |
}
|
| 558 |
|
| 559 |
if (mbPtr->highlightWidth < 0) {
|
| 560 |
mbPtr->highlightWidth = 0;
|
| 561 |
}
|
| 562 |
|
| 563 |
if (mbPtr->padX < 0) {
|
| 564 |
mbPtr->padX = 0;
|
| 565 |
}
|
| 566 |
if (mbPtr->padY < 0) {
|
| 567 |
mbPtr->padY = 0;
|
| 568 |
}
|
| 569 |
|
| 570 |
/*
|
| 571 |
* Get the image for the widget, if there is one. Allocate the
|
| 572 |
* new image before freeing the old one, so that the reference
|
| 573 |
* count doesn't go to zero and cause image data to be discarded.
|
| 574 |
*/
|
| 575 |
|
| 576 |
if (mbPtr->imageString != NULL) {
|
| 577 |
image = Tk_GetImage(mbPtr->interp, mbPtr->tkwin,
|
| 578 |
mbPtr->imageString, MenuButtonImageProc,
|
| 579 |
(ClientData) mbPtr);
|
| 580 |
if (image == NULL) {
|
| 581 |
return TCL_ERROR;
|
| 582 |
}
|
| 583 |
} else {
|
| 584 |
image = NULL;
|
| 585 |
}
|
| 586 |
if (mbPtr->image != NULL) {
|
| 587 |
Tk_FreeImage(mbPtr->image);
|
| 588 |
}
|
| 589 |
mbPtr->image = image;
|
| 590 |
|
| 591 |
/*
|
| 592 |
* Recompute the geometry for the button.
|
| 593 |
*/
|
| 594 |
|
| 595 |
if ((mbPtr->bitmap != None) || (mbPtr->image != NULL)) {
|
| 596 |
if (Tk_GetPixels(interp, mbPtr->tkwin, mbPtr->widthString,
|
| 597 |
&mbPtr->width) != TCL_OK) {
|
| 598 |
widthError:
|
| 599 |
Tcl_AddErrorInfo(interp, "\n (processing -width option)");
|
| 600 |
continue;
|
| 601 |
}
|
| 602 |
if (Tk_GetPixels(interp, mbPtr->tkwin, mbPtr->heightString,
|
| 603 |
&mbPtr->height) != TCL_OK) {
|
| 604 |
heightError:
|
| 605 |
Tcl_AddErrorInfo(interp, "\n (processing -height option)");
|
| 606 |
continue;
|
| 607 |
}
|
| 608 |
} else {
|
| 609 |
if (Tcl_GetInt(interp, mbPtr->widthString, &mbPtr->width)
|
| 610 |
!= TCL_OK) {
|
| 611 |
goto widthError;
|
| 612 |
}
|
| 613 |
if (Tcl_GetInt(interp, mbPtr->heightString, &mbPtr->height)
|
| 614 |
!= TCL_OK) {
|
| 615 |
goto heightError;
|
| 616 |
}
|
| 617 |
}
|
| 618 |
break;
|
| 619 |
}
|
| 620 |
|
| 621 |
if (!error) {
|
| 622 |
Tk_FreeSavedOptions(&savedOptions);
|
| 623 |
}
|
| 624 |
|
| 625 |
if ((mbPtr->image == NULL) && (mbPtr->bitmap == None)
|
| 626 |
&& (mbPtr->textVarName != NULL)) {
|
| 627 |
|
| 628 |
/*
|
| 629 |
* The menubutton displays the value of a variable.
|
| 630 |
* Set up a trace to watch for any changes in it, create
|
| 631 |
* the variable if it doesn't exist, and fetch its
|
| 632 |
* current value.
|
| 633 |
*/
|
| 634 |
|
| 635 |
char *value;
|
| 636 |
|
| 637 |
value = Tcl_GetVar(interp, mbPtr->textVarName, TCL_GLOBAL_ONLY);
|
| 638 |
if (value == NULL) {
|
| 639 |
Tcl_SetVar(interp, mbPtr->textVarName, mbPtr->text,
|
| 640 |
TCL_GLOBAL_ONLY);
|
| 641 |
} else {
|
| 642 |
if (mbPtr->text != NULL) {
|
| 643 |
ckfree(mbPtr->text);
|
| 644 |
}
|
| 645 |
mbPtr->text = (char *) ckalloc((unsigned) (strlen(value) + 1));
|
| 646 |
strcpy(mbPtr->text, value);
|
| 647 |
}
|
| 648 |
Tcl_TraceVar(interp, mbPtr->textVarName,
|
| 649 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 650 |
MenuButtonTextVarProc, (ClientData) mbPtr);
|
| 651 |
}
|
| 652 |
|
| 653 |
TkMenuButtonWorldChanged((ClientData) mbPtr);
|
| 654 |
if (error) {
|
| 655 |
Tcl_SetObjResult(interp, errorResult);
|
| 656 |
Tcl_DecrRefCount(errorResult);
|
| 657 |
return TCL_ERROR;
|
| 658 |
} else {
|
| 659 |
return TCL_OK;
|
| 660 |
}
|
| 661 |
}
|
| 662 |
|
| 663 |
/*
|
| 664 |
*---------------------------------------------------------------------------
|
| 665 |
*
|
| 666 |
* TkMenuButtonWorldChanged --
|
| 667 |
*
|
| 668 |
* This procedure is called when the world has changed in some
|
| 669 |
* way and the widget needs to recompute all its graphics contexts
|
| 670 |
* and determine its new geometry.
|
| 671 |
*
|
| 672 |
* Results:
|
| 673 |
* None.
|
| 674 |
*
|
| 675 |
* Side effects:
|
| 676 |
* TkMenuButton will be relayed out and redisplayed.
|
| 677 |
*
|
| 678 |
*---------------------------------------------------------------------------
|
| 679 |
*/
|
| 680 |
|
| 681 |
void
|
| 682 |
TkMenuButtonWorldChanged(instanceData)
|
| 683 |
ClientData instanceData; /* Information about widget. */
|
| 684 |
{
|
| 685 |
XGCValues gcValues;
|
| 686 |
GC gc;
|
| 687 |
unsigned long mask;
|
| 688 |
TkMenuButton *mbPtr;
|
| 689 |
|
| 690 |
mbPtr = (TkMenuButton *) instanceData;
|
| 691 |
|
| 692 |
gcValues.font = Tk_FontId(mbPtr->tkfont);
|
| 693 |
gcValues.foreground = mbPtr->normalFg->pixel;
|
| 694 |
gcValues.background = Tk_3DBorderColor(mbPtr->normalBorder)->pixel;
|
| 695 |
|
| 696 |
/*
|
| 697 |
* Note: GraphicsExpose events are disabled in GC's because they're
|
| 698 |
* used to copy stuff from an off-screen pixmap onto the screen (we know
|
| 699 |
* that there's no problem with obscured areas).
|
| 700 |
*/
|
| 701 |
|
| 702 |
gcValues.graphics_exposures = False;
|
| 703 |
mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures;
|
| 704 |
gc = Tk_GetGC(mbPtr->tkwin, mask, &gcValues);
|
| 705 |
if (mbPtr->normalTextGC != None) {
|
| 706 |
Tk_FreeGC(mbPtr->display, mbPtr->normalTextGC);
|
| 707 |
}
|
| 708 |
mbPtr->normalTextGC = gc;
|
| 709 |
|
| 710 |
gcValues.font = Tk_FontId(mbPtr->tkfont);
|
| 711 |
gcValues.foreground = mbPtr->activeFg->pixel;
|
| 712 |
gcValues.background = Tk_3DBorderColor(mbPtr->activeBorder)->pixel;
|
| 713 |
mask = GCForeground | GCBackground | GCFont;
|
| 714 |
gc = Tk_GetGC(mbPtr->tkwin, mask, &gcValues);
|
| 715 |
if (mbPtr->activeTextGC != None) {
|
| 716 |
Tk_FreeGC(mbPtr->display, mbPtr->activeTextGC);
|
| 717 |
}
|
| 718 |
mbPtr->activeTextGC = gc;
|
| 719 |
|
| 720 |
gcValues.font = Tk_FontId(mbPtr->tkfont);
|
| 721 |
gcValues.background = Tk_3DBorderColor(mbPtr->normalBorder)->pixel;
|
| 722 |
if ((mbPtr->disabledFg != NULL) && (mbPtr->imageString == NULL)) {
|
| 723 |
gcValues.foreground = mbPtr->disabledFg->pixel;
|
| 724 |
mask = GCForeground | GCBackground | GCFont;
|
| 725 |
} else {
|
| 726 |
gcValues.foreground = gcValues.background;
|
| 727 |
mask = GCForeground;
|
| 728 |
if (mbPtr->gray == None) {
|
| 729 |
mbPtr->gray = Tk_GetBitmap(NULL, mbPtr->tkwin,
|
| 730 |
Tk_GetUid("gray50"));
|
| 731 |
}
|
| 732 |
if (mbPtr->gray != None) {
|
| 733 |
gcValues.fill_style = FillStippled;
|
| 734 |
gcValues.stipple = mbPtr->gray;
|
| 735 |
mask |= GCFillStyle | GCStipple;
|
| 736 |
}
|
| 737 |
}
|
| 738 |
gc = Tk_GetGC(mbPtr->tkwin, mask, &gcValues);
|
| 739 |
if (mbPtr->disabledGC != None) {
|
| 740 |
Tk_FreeGC(mbPtr->display, mbPtr->disabledGC);
|
| 741 |
}
|
| 742 |
mbPtr->disabledGC = gc;
|
| 743 |
|
| 744 |
TkpComputeMenuButtonGeometry(mbPtr);
|
| 745 |
|
| 746 |
/*
|
| 747 |
* Lastly, arrange for the button to be redisplayed.
|
| 748 |
*/
|
| 749 |
|
| 750 |
if (Tk_IsMapped(mbPtr->tkwin) && !(mbPtr->flags & REDRAW_PENDING)) {
|
| 751 |
Tcl_DoWhenIdle(TkpDisplayMenuButton, (ClientData) mbPtr);
|
| 752 |
mbPtr->flags |= REDRAW_PENDING;
|
| 753 |
}
|
| 754 |
}
|
| 755 |
|
| 756 |
/*
|
| 757 |
*--------------------------------------------------------------
|
| 758 |
*
|
| 759 |
* MenuButtonEventProc --
|
| 760 |
*
|
| 761 |
* This procedure is invoked by the Tk dispatcher for various
|
| 762 |
* events on buttons.
|
| 763 |
*
|
| 764 |
* Results:
|
| 765 |
* None.
|
| 766 |
*
|
| 767 |
* Side effects:
|
| 768 |
* When the window gets deleted, internal structures get
|
| 769 |
* cleaned up. When it gets exposed, it is redisplayed.
|
| 770 |
*
|
| 771 |
*--------------------------------------------------------------
|
| 772 |
*/
|
| 773 |
|
| 774 |
static void
|
| 775 |
MenuButtonEventProc(clientData, eventPtr)
|
| 776 |
ClientData clientData; /* Information about window. */
|
| 777 |
XEvent *eventPtr; /* Information about event. */
|
| 778 |
{
|
| 779 |
TkMenuButton *mbPtr = (TkMenuButton *) clientData;
|
| 780 |
if ((eventPtr->type == Expose) && (eventPtr->xexpose.count == 0)) {
|
| 781 |
goto redraw;
|
| 782 |
} else if (eventPtr->type == ConfigureNotify) {
|
| 783 |
/*
|
| 784 |
* Must redraw after size changes, since layout could have changed
|
| 785 |
* and borders will need to be redrawn.
|
| 786 |
*/
|
| 787 |
|
| 788 |
goto redraw;
|
| 789 |
} else if (eventPtr->type == DestroyNotify) {
|
| 790 |
DestroyMenuButton((char *) mbPtr);
|
| 791 |
} else if (eventPtr->type == FocusIn) {
|
| 792 |
if (eventPtr->xfocus.detail != NotifyInferior) {
|
| 793 |
mbPtr->flags |= GOT_FOCUS;
|
| 794 |
if (mbPtr->highlightWidth > 0) {
|
| 795 |
goto redraw;
|
| 796 |
}
|
| 797 |
}
|
| 798 |
} else if (eventPtr->type == FocusOut) {
|
| 799 |
if (eventPtr->xfocus.detail != NotifyInferior) {
|
| 800 |
mbPtr->flags &= ~GOT_FOCUS;
|
| 801 |
if (mbPtr->highlightWidth > 0) {
|
| 802 |
goto redraw;
|
| 803 |
}
|
| 804 |
}
|
| 805 |
}
|
| 806 |
return;
|
| 807 |
|
| 808 |
redraw:
|
| 809 |
if ((mbPtr->tkwin != NULL) && !(mbPtr->flags & REDRAW_PENDING)) {
|
| 810 |
Tcl_DoWhenIdle(TkpDisplayMenuButton, (ClientData) mbPtr);
|
| 811 |
mbPtr->flags |= REDRAW_PENDING;
|
| 812 |
}
|
| 813 |
}
|
| 814 |
|
| 815 |
/*
|
| 816 |
*----------------------------------------------------------------------
|
| 817 |
*
|
| 818 |
* MenuButtonCmdDeletedProc --
|
| 819 |
*
|
| 820 |
* This procedure is invoked when a widget command is deleted. If
|
| 821 |
* the widget isn't already in the process of being destroyed,
|
| 822 |
* this command destroys it.
|
| 823 |
*
|
| 824 |
* Results:
|
| 825 |
* None.
|
| 826 |
*
|
| 827 |
* Side effects:
|
| 828 |
* The widget is destroyed.
|
| 829 |
*
|
| 830 |
*----------------------------------------------------------------------
|
| 831 |
*/
|
| 832 |
|
| 833 |
static void
|
| 834 |
MenuButtonCmdDeletedProc(clientData)
|
| 835 |
ClientData clientData; /* Pointer to widget record for widget. */
|
| 836 |
{
|
| 837 |
TkMenuButton *mbPtr = (TkMenuButton *) clientData;
|
| 838 |
Tk_Window tkwin = mbPtr->tkwin;
|
| 839 |
|
| 840 |
/*
|
| 841 |
* This procedure could be invoked either because the window was
|
| 842 |
* destroyed and the command was then deleted (in which case tkwin
|
| 843 |
* is NULL) or because the command was deleted, and then this procedure
|
| 844 |
* destroys the widget.
|
| 845 |
*/
|
| 846 |
|
| 847 |
if (tkwin != NULL) {
|
| 848 |
Tk_DestroyWindow(tkwin);
|
| 849 |
}
|
| 850 |
}
|
| 851 |
|
| 852 |
/*
|
| 853 |
*--------------------------------------------------------------
|
| 854 |
*
|
| 855 |
* MenuButtonTextVarProc --
|
| 856 |
*
|
| 857 |
* This procedure is invoked when someone changes the variable
|
| 858 |
* whose contents are to be displayed in a menu button.
|
| 859 |
*
|
| 860 |
* Results:
|
| 861 |
* NULL is always returned.
|
| 862 |
*
|
| 863 |
* Side effects:
|
| 864 |
* The text displayed in the menu button will change to match the
|
| 865 |
* variable.
|
| 866 |
*
|
| 867 |
*--------------------------------------------------------------
|
| 868 |
*/
|
| 869 |
|
| 870 |
/* ARGSUSED */
|
| 871 |
static char *
|
| 872 |
MenuButtonTextVarProc(clientData, interp, name1, name2, flags)
|
| 873 |
ClientData clientData; /* Information about button. */
|
| 874 |
Tcl_Interp *interp; /* Interpreter containing variable. */
|
| 875 |
char *name1; /* Name of variable. */
|
| 876 |
char *name2; /* Second part of variable name. */
|
| 877 |
int flags; /* Information about what happened. */
|
| 878 |
{
|
| 879 |
register TkMenuButton *mbPtr = (TkMenuButton *) clientData;
|
| 880 |
char *value;
|
| 881 |
|
| 882 |
/*
|
| 883 |
* If the variable is unset, then immediately recreate it unless
|
| 884 |
* the whole interpreter is going away.
|
| 885 |
*/
|
| 886 |
|
| 887 |
if (flags & TCL_TRACE_UNSETS) {
|
| 888 |
if ((flags & TCL_TRACE_DESTROYED) && !(flags & TCL_INTERP_DESTROYED)) {
|
| 889 |
Tcl_SetVar(interp, mbPtr->textVarName, mbPtr->text,
|
| 890 |
TCL_GLOBAL_ONLY);
|
| 891 |
Tcl_TraceVar(interp, mbPtr->textVarName,
|
| 892 |
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
|
| 893 |
MenuButtonTextVarProc, clientData);
|
| 894 |
}
|
| 895 |
return (char *) NULL;
|
| 896 |
}
|
| 897 |
|
| 898 |
value = Tcl_GetVar(interp, mbPtr->textVarName, TCL_GLOBAL_ONLY);
|
| 899 |
if (value == NULL) {
|
| 900 |
value = "";
|
| 901 |
}
|
| 902 |
if (mbPtr->text != NULL) {
|
| 903 |
ckfree(mbPtr->text);
|
| 904 |
}
|
| 905 |
mbPtr->text = (char *) ckalloc((unsigned) (strlen(value) + 1));
|
| 906 |
strcpy(mbPtr->text, value);
|
| 907 |
TkpComputeMenuButtonGeometry(mbPtr);
|
| 908 |
|
| 909 |
if ((mbPtr->tkwin != NULL) && Tk_IsMapped(mbPtr->tkwin)
|
| 910 |
&& !(mbPtr->flags & REDRAW_PENDING)) {
|
| 911 |
Tcl_DoWhenIdle(TkpDisplayMenuButton, (ClientData) mbPtr);
|
| 912 |
mbPtr->flags |= REDRAW_PENDING;
|
| 913 |
}
|
| 914 |
return (char *) NULL;
|
| 915 |
}
|
| 916 |
|
| 917 |
/*
|
| 918 |
*----------------------------------------------------------------------
|
| 919 |
*
|
| 920 |
* MenuButtonImageProc --
|
| 921 |
*
|
| 922 |
* This procedure is invoked by the image code whenever the manager
|
| 923 |
* for an image does something that affects the size of contents
|
| 924 |
* of an image displayed in a button.
|
| 925 |
*
|
| 926 |
* Results:
|
| 927 |
* None.
|
| 928 |
*
|
| 929 |
* Side effects:
|
| 930 |
* Arranges for the button to get redisplayed.
|
| 931 |
*
|
| 932 |
*----------------------------------------------------------------------
|
| 933 |
*/
|
| 934 |
|
| 935 |
static void
|
| 936 |
MenuButtonImageProc(clientData, x, y, width, height, imgWidth, imgHeight)
|
| 937 |
ClientData clientData; /* Pointer to widget record. */
|
| 938 |
int x, y; /* Upper left pixel (within image)
|
| 939 |
* that must be redisplayed. */
|
| 940 |
int width, height; /* Dimensions of area to redisplay
|
| 941 |
* (may be <= 0). */
|
| 942 |
int imgWidth, imgHeight; /* New dimensions of image. */
|
| 943 |
{
|
| 944 |
register TkMenuButton *mbPtr = (TkMenuButton *) clientData;
|
| 945 |
|
| 946 |
if (mbPtr->tkwin != NULL) {
|
| 947 |
TkpComputeMenuButtonGeometry(mbPtr);
|
| 948 |
if (Tk_IsMapped(mbPtr->tkwin) && !(mbPtr->flags & REDRAW_PENDING)) {
|
| 949 |
Tcl_DoWhenIdle(TkpDisplayMenuButton, (ClientData) mbPtr);
|
| 950 |
mbPtr->flags |= REDRAW_PENDING;
|
| 951 |
}
|
| 952 |
}
|
| 953 |
}
|
| 954 |
|
| 955 |
|
| 956 |
/* $History: tkMenubutton.c $
|
| 957 |
*
|
| 958 |
* ***************** Version 1 *****************
|
| 959 |
* User: Dtashley Date: 1/02/01 Time: 2:57a
|
| 960 |
* Created in $/IjuScripter, IjuConsole/Source/Tk Base
|
| 961 |
* Initial check-in.
|
| 962 |
*/
|
| 963 |
|
| 964 |
/* End of TKMENUBUTTON.C */ |
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