| OZ++ Class: CascadeMenuButton |
/******************************************************************************
*
* Copyright (c) 2015-2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
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*
* CascadeMenuButton.h
*
*****************************************************************************/
//2017/05/20 Added the following method.
// void recreatePulldownMenu(MenuBar* menubar, const char* name)
#pragma once
#include <oz++/motif/MenuBar.h>
#include <oz++/motif/MenuItem.h>
#include <oz++/motif/CascadeButton.h>
#include <oz++/motif/PulldownMenu.h>
namespace OZ {
class CascadeMenuButton :public CascadeButton {
private:
SmartPtr<PulldownMenu> pulldown;
public:
CascadeMenuButton(MenuBar* menubar, const char* name, Args& args)
:CascadeButton()
{
CascadeMenuButton::create(menubar, name, args);
};
CascadeMenuButton()
:CascadeButton()
{
}
void create(MenuBar* menubar, const char* name, Args& args)
{
CascadeButton::create(menubar, name, args);
if (args.has(XmNlabelString) == False) {
CompoundString cs(name);
set(XmNlabelString, cs);
}
//Create an empty pulldown menu.
Args ar;
pulldown = new PulldownMenu(menubar, name, ar);
set(XmNsubMenuId, pulldown);
}
~CascadeMenuButton()
{
}
public:
//2017/05/29
void recreatePulldownMenu(MenuBar* menubar, const char* name)
{
if (pulldown) {
set(XmNsubMenuId, (XtArgVal)NULL);
pulldown = NULL;
Args ar;
pulldown = new PulldownMenu(menubar, name, ar);
set(XmNsubMenuId, pulldown);
}
}
void addItems(MenuItem* items, int itemsCount,
View* owner, Callback callback)
{
if (items != NULL && itemsCount >0) {
pulldown -> addItem(items, itemsCount,
owner, callback);
} else {
throw IException("Invalid argument");
}
}
};
}