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/* $Id$ */
/* Copyright (c) 1994 The Geometry Center; University of Minnesota
1300 South Second Street; Minneapolis, MN 55454, USA;
This file is free software; you can redistribute it and/or modify it only
under the the terms of the GNU GENERAL PUBLIC LICENSE which should be
included along with thisw file. This software may be obtained via anonymous
ftp from geom.umn.edu; email: software@geom.umn.edu. */
/* Author: Daeron Meyer */
#include "mibload.h"
#include "mibwidgets.h"
ACE_RCSID(mpeg_mib, mibMenu, "$Id$")
extern Display *dpy;
extern GC mib_gc;
static int delhandler; /* delay adding event handler until menu
is actually created */
/* Code for Menu */
/*****************************************************************************/
mib_Widget *mib_create_Menu(mib_Widget *parent, char *name, char *label,
int posx, int posy, int width, int height, int mib_fill)
{
mib_Widget *temp;
mib_Menu *myres;
Widget wtemp;
char label_temp[50];
Arg args[20];
int n;
/* create the new widget and add it to the tree */
temp = mib_new_mib_Widget();
if (mib_fill == WDEFAULT)
mib_add_backward(temp, parent);
else
mib_add_mib_Widget(temp, parent);
myres = (mib_Menu *)ACE_OS::malloc(sizeof(mib_Menu));
/* initialize public resources */
if (mib_fill == WDEFAULT)
{
temp->name = (char *)ACE_OS::malloc(strlen(name)+1);
strcpy(temp->name,name);
}
temp->mib_class = (char *)ACE_OS::malloc(8);
sprintf(temp->mib_class,"Menu");
temp->mib_class_num = MIB_MENU;
temp->width = width;
temp->height = height;
temp->topOffset = posy;
temp->leftOffset = posx;
temp->bottomOffset = 0;
temp->rightOffset = 0;
temp->topAttachment = 1;
temp->leftAttachment = 1;
temp->bottomAttachment = 0;
temp->rightAttachment = 0;
temp->mib_allowresize = 0;
/* initialize private resources */
temp->myres = (void *)myres;
myres->numitems = 0;
/* create Xt widget */
n = 0;
if (mib_fill == WDEFAULT)
{
XtSetArg (args[n], XmNleftAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNleftOffset, posx);n++;
XtSetArg (args[n], XmNtopAttachment, XmATTACH_FORM); n++;
XtSetArg (args[n], XmNtopOffset, posy);n++;
}
XtSetArg (args[n], XmNrubberPositioning, False); n++;
temp->me = XtCreateManagedWidget(name, xmRowColumnWidgetClass,
temp->parent->me, args, n);
n = 0;
delhandler = 1;
if (mib_fill == WDEFAULT)
{
delhandler = 0;
myres->numitems = 3;
myres->my_menu = (MenuItem *)ACE_OS::malloc(sizeof(MenuItem) * (myres->numitems+1));
myres->items = (Widget *)ACE_OS::malloc(sizeof(Widget) * myres->numitems);
sprintf(label_temp, "Item 1");
myres->my_menu[0].label = (char *)ACE_OS::malloc(strlen(label_temp)+1);
strcpy(myres->my_menu[0].label,label_temp);
myres->my_menu[0].wclass = &xmPushButtonGadgetClass;
myres->my_menu[0].mnemonic = '1';
myres->my_menu[0].accelerator = NULL;
myres->my_menu[0].accel_text = NULL;
myres->my_menu[0].accel_text = NULL;
myres->my_menu[0].callback = NULL;
myres->my_menu[0].callback_data = NULL;
myres->my_menu[0].subitems = (struct _menu_item *)1;
sprintf(label_temp, "Item 2");
myres->my_menu[1].label = (char *)ACE_OS::malloc(strlen(label_temp)+1);
strcpy(myres->my_menu[1].label,label_temp);
myres->my_menu[1].wclass = &xmPushButtonGadgetClass;
myres->my_menu[1].mnemonic = '2';
myres->my_menu[1].accelerator = NULL;
myres->my_menu[1].accel_text = NULL;
myres->my_menu[1].accel_text = NULL;
myres->my_menu[1].callback = NULL;
myres->my_menu[1].callback_data = NULL;
myres->my_menu[1].subitems = (struct _menu_item *)1;
sprintf(label_temp, "Item 3");
myres->my_menu[2].label = (char *)ACE_OS::malloc(strlen(label_temp)+1);
strcpy(myres->my_menu[2].label,label_temp);
myres->my_menu[2].wclass = &xmPushButtonGadgetClass;
myres->my_menu[2].mnemonic = '2';
myres->my_menu[2].accelerator = NULL;
myres->my_menu[2].accel_text = NULL;
myres->my_menu[2].accel_text = NULL;
myres->my_menu[2].callback = NULL;
myres->my_menu[2].callback_data = NULL;
myres->my_menu[2].subitems = (struct _menu_item *)1;
myres->my_menu[3].label = NULL;
wtemp = BuildMenu(temp->me, XmMENU_OPTION, NULL, 'M', myres->my_menu);
XtManageChild(wtemp);
}
if (mib_fill == WEDIT || mib_fill == WDEFAULT)
{
/* default menu */
if (!delhandler)
{
mib_apply_eventhandlers(wtemp, temp);
mib_apply_eventhandlers(temp->me, temp);
}
}
if (mib_fill == WEMPTY)
delhandler = 0;
return temp;
}
void mib_delete_Menu(mib_Widget *thisw)
{
mib_Menu *temp = (mib_Menu *)thisw->myres;
ACE_OS::free(temp);
}
void mib_save_Menu(mib_Widget *thisw, FILE *fout)
{
mib_Menu *temp = (mib_Menu *)thisw->myres;
int count;
fprintf(fout, "numitems: %d\\n\\\n", temp->numitems);
for (count=0; count < temp->numitems; count++)
{
fprintf(fout, "item: \\\"%s\\\"\\n\\\n", temp->my_menu[count].label);
}
}
int mib_load_Menu(mib_Widget *thisw, mib_Buffer *fin)
{
char res[MI_MAXSTRLEN];
char val[MI_MAXSTRLEN];
int count, vallen;
Widget wtemp;
mib_Menu *myres = (mib_Menu *)thisw->myres;
if (!mib_read_line(fin, res, val))
return 0;
if (!strcmp(res, "numitems"))
{
myres->numitems = 0;
sscanf(val, "%d", &(myres->numitems));
if (!(myres->numitems))
return 0;
myres->my_menu = (MenuItem *)ACE_OS::malloc(sizeof(MenuItem) * (myres->numitems+1));
myres->items = (Widget *)ACE_OS::malloc(sizeof(Widget) * myres->numitems);
for (count = 0; count < myres->numitems; count++)
{
if (!mib_read_line(fin, res, val))
return 0;
vallen =ACE_OS::strlen (val);
if (vallen < 2)
return 0;
val[vallen-1] = '\0';
myres->my_menu[count].label = (char *)ACE_OS::malloc(vallen-1);
sprintf(myres->my_menu[count].label, "%s", &(val[1]));
myres->my_menu[count].wclass = &xmPushButtonGadgetClass;
myres->my_menu[count].mnemonic = NULL;
myres->my_menu[count].accelerator = NULL;
myres->my_menu[count].accel_text = NULL;
myres->my_menu[count].accel_text = NULL;
myres->my_menu[count].callback = NULL;
myres->my_menu[count].callback_data = NULL;
myres->my_menu[count].subitems = (struct _menu_item *)1;
}
myres->my_menu[myres->numitems].label = NULL;
wtemp = BuildMenu(thisw->me, XmMENU_OPTION, NULL, NULL, myres->my_menu);
XtManageChild(wtemp);
if (delhandler)
{
mib_apply_eventhandlers(wtemp, thisw);
mib_apply_eventhandlers(thisw->me, thisw);
}
else
thisw->me = wtemp;
for (count = 0; count < myres->numitems; count++)
{
/* thisw hack extracts the widget for each item in the menu
for possible use by the programmer */
myres->items[count] = (Widget)(myres->my_menu[count].subitems);
}
}
else
return 0;
if (!mib_read_line(fin, res, val))
return 0;
if (ACE_OS::strcmp (res,"EndWidget"))
return 0;
return 1;
}
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