minetest/src/mainmenumanager.h
2016-03-02 23:23:31 -05:00

187 lines
3.8 KiB
C++

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MAINMENUMANAGER_HEADER
#define MAINMENUMANAGER_HEADER
/*
All kinds of stuff that needs to be exposed from main.cpp
*/
#include "debug.h" // assert
#include "modalMenu.h"
#include <list>
class IGameCallback
{
public:
virtual void exitToOS() = 0;
virtual void keyConfig() = 0;
virtual void disconnect() = 0;
virtual void changePassword() = 0;
virtual void changeVolume() = 0;
virtual void signalKeyConfigChange() = 0;
};
extern gui::IGUIEnvironment *guienv;
extern gui::IGUIStaticText *guiroot;
// Handler for the modal menus
class MainMenuManager : public IMenuManager
{
public:
virtual void createdMenu(gui::IGUIElement *menu)
{
for(std::list<gui::IGUIElement*>::iterator
i = m_stack.begin();
i != m_stack.end(); ++i)
{
assert(*i != menu);
}
if(!m_stack.empty())
m_stack.back()->setVisible(false);
m_stack.push_back(menu);
}
virtual void deletingMenu(gui::IGUIElement *menu)
{
// Remove all entries if there are duplicates
bool removed_entry;
do{
removed_entry = false;
for(std::list<gui::IGUIElement*>::iterator
i = m_stack.begin();
i != m_stack.end(); ++i)
{
if(*i == menu)
{
m_stack.erase(i);
removed_entry = true;
break;
}
}
}while(removed_entry);
/*core::list<GUIModalMenu*>::Iterator i = m_stack.getLast();
assert(*i == menu);
m_stack.erase(i);*/
if(!m_stack.empty())
m_stack.back()->setVisible(true);
}
// Returns true to prevent further processing
virtual bool preprocessEvent(const SEvent& event)
{
if (m_stack.empty())
return false;
GUIModalMenu *mm = dynamic_cast<GUIModalMenu*>(m_stack.back());
return mm && mm->preprocessEvent(event);
}
u32 menuCount()
{
return m_stack.size();
}
bool pausesGame()
{
for(std::list<gui::IGUIElement*>::iterator
i = m_stack.begin(); i != m_stack.end(); ++i)
{
GUIModalMenu *mm = dynamic_cast<GUIModalMenu*>(*i);
if (mm && mm->pausesGame())
return true;
}
return false;
}
std::list<gui::IGUIElement*> m_stack;
};
extern MainMenuManager g_menumgr;
extern bool noMenuActive();
class MainGameCallback : public IGameCallback
{
public:
MainGameCallback(IrrlichtDevice *a_device):
disconnect_requested(false),
changepassword_requested(false),
changevolume_requested(false),
keyconfig_requested(false),
shutdown_requested(false),
keyconfig_changed(false),
device(a_device)
{
}
virtual void exitToOS()
{
shutdown_requested = true;
#ifndef __ANDROID__
device->closeDevice();
#endif
}
virtual void disconnect()
{
disconnect_requested = true;
}
virtual void changePassword()
{
changepassword_requested = true;
}
virtual void changeVolume()
{
changevolume_requested = true;
}
virtual void keyConfig()
{
keyconfig_requested = true;
}
virtual void signalKeyConfigChange()
{
keyconfig_changed = true;
}
bool disconnect_requested;
bool changepassword_requested;
bool changevolume_requested;
bool keyconfig_requested;
bool shutdown_requested;
bool keyconfig_changed;
IrrlichtDevice *device;
};
extern MainGameCallback *g_gamecallback;
#endif