mirror of
https://github.com/moparisthebest/minetest
synced 2024-11-04 08:25:01 -05:00
139 lines
3.3 KiB
C++
139 lines
3.3 KiB
C++
/*
|
|
Minetest-c55
|
|
Copyright (C) 2010 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 MODALMENU_HEADER
|
|
#define MODALMENU_HEADER
|
|
|
|
#include "irrlichttypes_extrabloated.h"
|
|
|
|
class GUIModalMenu;
|
|
|
|
class IMenuManager
|
|
{
|
|
public:
|
|
// A GUIModalMenu calls these when this class is passed as a parameter
|
|
virtual void createdMenu(GUIModalMenu *menu) = 0;
|
|
virtual void deletingMenu(GUIModalMenu *menu) = 0;
|
|
};
|
|
|
|
/*
|
|
Remember to drop() the menu after creating, so that it can
|
|
remove itself when it wants to.
|
|
*/
|
|
|
|
class GUIModalMenu : public gui::IGUIElement
|
|
{
|
|
public:
|
|
GUIModalMenu(gui::IGUIEnvironment* env,
|
|
gui::IGUIElement* parent, s32 id,
|
|
IMenuManager *menumgr):
|
|
IGUIElement(gui::EGUIET_ELEMENT, env, parent, id,
|
|
core::rect<s32>(0,0,100,100))
|
|
{
|
|
//m_force_regenerate_gui = false;
|
|
|
|
m_menumgr = menumgr;
|
|
m_allow_focus_removal = false;
|
|
m_screensize_old = v2u32(0,0);
|
|
|
|
setVisible(true);
|
|
Environment->setFocus(this);
|
|
m_menumgr->createdMenu(this);
|
|
}
|
|
virtual ~GUIModalMenu()
|
|
{
|
|
m_menumgr->deletingMenu(this);
|
|
}
|
|
|
|
void allowFocusRemoval(bool allow)
|
|
{
|
|
m_allow_focus_removal = allow;
|
|
}
|
|
|
|
bool canTakeFocus(gui::IGUIElement *e)
|
|
{
|
|
return (e && (e == this || isMyChild(e))) || m_allow_focus_removal;
|
|
}
|
|
|
|
void draw()
|
|
{
|
|
if(!IsVisible)
|
|
return;
|
|
|
|
video::IVideoDriver* driver = Environment->getVideoDriver();
|
|
v2u32 screensize = driver->getScreenSize();
|
|
if(screensize != m_screensize_old /*|| m_force_regenerate_gui*/)
|
|
{
|
|
m_screensize_old = screensize;
|
|
regenerateGui(screensize);
|
|
//m_force_regenerate_gui = false;
|
|
}
|
|
|
|
drawMenu();
|
|
}
|
|
|
|
/*
|
|
This should be called when the menu wants to quit.
|
|
|
|
WARNING: THIS DEALLOCATES THE MENU FROM MEMORY. Return
|
|
immediately if you call this from the menu itself.
|
|
*/
|
|
void quitMenu()
|
|
{
|
|
allowFocusRemoval(true);
|
|
// This removes Environment's grab on us
|
|
Environment->removeFocus(this);
|
|
this->remove();
|
|
}
|
|
|
|
void removeChildren()
|
|
{
|
|
const core::list<gui::IGUIElement*> &children = getChildren();
|
|
core::list<gui::IGUIElement*> children_copy;
|
|
for(core::list<gui::IGUIElement*>::ConstIterator
|
|
i = children.begin(); i != children.end(); i++)
|
|
{
|
|
children_copy.push_back(*i);
|
|
}
|
|
for(core::list<gui::IGUIElement*>::Iterator
|
|
i = children_copy.begin();
|
|
i != children_copy.end(); i++)
|
|
{
|
|
(*i)->remove();
|
|
}
|
|
}
|
|
|
|
virtual void regenerateGui(v2u32 screensize) = 0;
|
|
virtual void drawMenu() = 0;
|
|
virtual bool OnEvent(const SEvent& event) { return false; };
|
|
|
|
protected:
|
|
//bool m_force_regenerate_gui;
|
|
v2u32 m_screensize_old;
|
|
private:
|
|
IMenuManager *m_menumgr;
|
|
// This might be necessary to expose to the implementation if it
|
|
// wants to launch other menus
|
|
bool m_allow_focus_removal;
|
|
};
|
|
|
|
|
|
#endif
|
|
|