216 lines
6.6 KiB
C
216 lines
6.6 KiB
C
/*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of M.I.T. not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. M.I.T. makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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/*
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* Modifications for Wine
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*
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* 8/27/93 David Metcalfe (david@prism.demon.co.uk)
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* Converted to WinMenuButton
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*/
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/***********************************************************************
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*
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* WinMenuButton Widget
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*
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***********************************************************************/
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/*
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* WinMenuButto.c - Source code for WinMenuButton widget.
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*
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* This is the source code for the WinMenuButton widget.
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* It is intended to provide an easy method of activating pulldown menus.
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*
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* Date: May 2, 1989
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*
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* By: Chris D. Peterson
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* MIT X Consortium
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* kit@expo.lcs.mit.edu
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*/
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#include <stdio.h>
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#include <X11/IntrinsicP.h>
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#include <X11/StringDefs.h>
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#include <X11/Xaw/XawInit.h>
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#include "WinMenuButtP.h"
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static void ClassInitialize();
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static void PopupMenu();
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#define superclass ((WinCommandWidgetClass)&winCommandClassRec)
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static char defaultTranslations[] =
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"<EnterWindow>: highlight() \n\
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<LeaveWindow>: reset() \n\
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<BtnDown>: reset() PopupMenu() ";
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/****************************************************************
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*
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* Full class record constant
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*
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****************************************************************/
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/* Private Data */
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#define offset(field) XtOffsetOf(WinMenuButtonRec, field)
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static XtResource resources[] = {
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{
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XtNmenuName, XtCMenuName, XtRString, sizeof(String),
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offset(winmenu_button.menu_name), XtRString, (XtPointer)"menu"},
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};
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#undef offset
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static XtActionsRec actionsList[] =
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{
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{"PopupMenu", PopupMenu}
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};
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WinMenuButtonClassRec winMenuButtonClassRec = {
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{
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(WidgetClass) superclass, /* superclass */
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"WinMenuButton", /* class_name */
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sizeof(WinMenuButtonRec), /* size */
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ClassInitialize, /* class_initialize */
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NULL, /* class_part_initialize */
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FALSE, /* class_inited */
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NULL, /* initialize */
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NULL, /* initialize_hook */
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XtInheritRealize, /* realize */
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actionsList, /* actions */
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XtNumber(actionsList), /* num_actions */
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resources, /* resources */
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XtNumber(resources), /* resource_count */
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NULLQUARK, /* xrm_class */
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FALSE, /* compress_motion */
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TRUE, /* compress_exposure */
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TRUE, /* compress_enterleave */
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FALSE, /* visible_interest */
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NULL, /* destroy */
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XtInheritResize, /* resize */
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XtInheritExpose, /* expose */
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NULL, /* set_values */
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NULL, /* set_values_hook */
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XtInheritSetValuesAlmost, /* set_values_almost */
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NULL, /* get_values_hook */
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NULL, /* accept_focus */
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XtVersion, /* version */
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NULL, /* callback_private */
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defaultTranslations, /* tm_table */
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XtInheritQueryGeometry, /* query_geometry */
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XtInheritDisplayAccelerator, /* display_accelerator */
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NULL /* extension */
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}, /* CoreClass fields initialization */
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{
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XtInheritChangeSensitive /* change_sensitive */
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}, /* SimpleClass fields initialization */
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{
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0, /* field not used */
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}, /* WinLabelClass fields initialization */
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{
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0, /* field not used */
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}, /* WinCommandClass fields initialization */
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{
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0, /* field not used */
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}, /* WinMenuButtonClass fields initialization */
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};
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/* for public consumption */
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WidgetClass winMenuButtonWidgetClass = (WidgetClass) &winMenuButtonClassRec;
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/****************************************************************
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*
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* Private Procedures
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*
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****************************************************************/
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static void ClassInitialize()
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{
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XawInitializeWidgetSet();
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XtRegisterGrabAction(PopupMenu, True, ButtonPressMask | ButtonReleaseMask,
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GrabModeAsync, GrabModeAsync);
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}
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/* ARGSUSED */
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static void
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PopupMenu(w, event, params, num_params)
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Widget w;
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XEvent * event;
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String * params;
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Cardinal * num_params;
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{
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WinMenuButtonWidget mbw = (WinMenuButtonWidget) w;
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Widget menu, temp;
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Arg arglist[2];
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Cardinal num_args;
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int menu_x, menu_y, menu_width, menu_height, button_height;
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Position button_x, button_y;
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temp = w;
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while(temp != NULL) {
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menu = XtNameToWidget(temp, mbw->winmenu_button.menu_name);
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if (menu == NULL)
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temp = XtParent(temp);
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else
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break;
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}
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if (menu == NULL) {
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char error_buf[BUFSIZ];
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sprintf(error_buf, "MenuButton: %s %s.",
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"Could not find menu widget named", mbw->winmenu_button.menu_name);
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XtAppWarning(XtWidgetToApplicationContext(w), error_buf);
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return;
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}
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if (!XtIsRealized(menu))
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XtRealizeWidget(menu);
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menu_width = menu->core.width + 2 * menu->core.border_width;
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button_height = w->core.height + 2 * w->core.border_width;
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menu_height = menu->core.height + 2 * menu->core.border_width;
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XtTranslateCoords(w, 0, 0, &button_x, &button_y);
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menu_x = button_x;
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menu_y = button_y + button_height;
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if (menu_x >= 0) {
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int scr_width = WidthOfScreen(XtScreen(menu));
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if (menu_x + menu_width > scr_width)
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menu_x = scr_width - menu_width;
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}
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if (menu_x < 0)
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menu_x = 0;
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if (menu_y >= 0) {
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int scr_height = HeightOfScreen(XtScreen(menu));
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if (menu_y + menu_height > scr_height)
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menu_y = scr_height - menu_height;
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}
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if (menu_y < 0)
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menu_y = 0;
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num_args = 0;
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XtSetArg(arglist[num_args], XtNx, menu_x); num_args++;
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XtSetArg(arglist[num_args], XtNy, menu_y); num_args++;
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XtSetValues(menu, arglist, num_args);
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XtPopupSpringLoaded(menu);
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}
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