minetest/src/mainmenumanager.h

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/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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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
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(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.
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You should have received a copy of the GNU Lesser General Public License along
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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"
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#include <list>
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class IGameCallback
{
public:
virtual void exitToOS() = 0;
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virtual void keyConfig() = 0;
virtual void disconnect() = 0;
virtual void changePassword() = 0;
virtual void changeVolume() = 0;
virtual void signalKeyConfigChange() = 0;
};
extern gui::IGUIEnvironment *guienv;
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extern gui::IGUIStaticText *guiroot;
// Handler for the modal menus
class MainMenuManager : public IMenuManager
{
public:
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virtual void createdMenu(gui::IGUIElement *menu)
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{
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for(std::list<gui::IGUIElement*>::iterator
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i = m_stack.begin();
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i != m_stack.end(); ++i)
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{
assert(*i != menu);
}
if(!m_stack.empty())
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m_stack.back()->setVisible(false);
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m_stack.push_back(menu);
}
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virtual void deletingMenu(gui::IGUIElement *menu)
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{
// Remove all entries if there are duplicates
bool removed_entry;
do{
removed_entry = false;
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for(std::list<gui::IGUIElement*>::iterator
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i = m_stack.begin();
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i != m_stack.end(); ++i)
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{
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())
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m_stack.back()->setVisible(true);
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}
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// Returns true to prevent further processing
virtual bool preprocessEvent(const SEvent& event)
{
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if (m_stack.empty())
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return false;
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GUIModalMenu *mm = dynamic_cast<GUIModalMenu*>(m_stack.back());
return mm && mm->preprocessEvent(event);
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}
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u32 menuCount()
{
return m_stack.size();
}
bool pausesGame()
{
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for(std::list<gui::IGUIElement*>::iterator
i = m_stack.begin(); i != m_stack.end(); ++i)
{
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GUIModalMenu *mm = dynamic_cast<GUIModalMenu*>(*i);
if (mm && mm->pausesGame())
return true;
}
return false;
}
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std::list<gui::IGUIElement*> m_stack;
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};
extern MainMenuManager g_menumgr;
extern bool isMenuActive();
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class MainGameCallback : public IGameCallback
{
public:
MainGameCallback() {}
virtual ~MainGameCallback() {}
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virtual void exitToOS()
{
shutdown_requested = true;
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}
virtual void disconnect()
{
disconnect_requested = true;
}
virtual void changePassword()
{
changepassword_requested = true;
}
virtual void changeVolume()
{
changevolume_requested = true;
}
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virtual void keyConfig()
{
keyconfig_requested = true;
}
virtual void signalKeyConfigChange()
{
keyconfig_changed = true;
}
bool disconnect_requested = false;
bool changepassword_requested = false;
bool changevolume_requested = false;
bool keyconfig_requested = false;
bool shutdown_requested = false;
bool keyconfig_changed = false;
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};
extern MainGameCallback *g_gamecallback;
#endif