3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef MODALMENU_HEADER
21 #define MODALMENU_HEADER
23 #include "irrlichttypes_extrabloated.h"
30 // A GUIModalMenu calls these when this class is passed as a parameter
31 virtual void createdMenu(GUIModalMenu *menu) = 0;
32 virtual void deletingMenu(GUIModalMenu *menu) = 0;
36 Remember to drop() the menu after creating, so that it can
37 remove itself when it wants to.
40 class GUIModalMenu : public gui::IGUIElement
43 GUIModalMenu(gui::IGUIEnvironment* env,
44 gui::IGUIElement* parent, s32 id,
45 IMenuManager *menumgr):
46 IGUIElement(gui::EGUIET_ELEMENT, env, parent, id,
47 core::rect<s32>(0,0,100,100))
49 //m_force_regenerate_gui = false;
52 m_allow_focus_removal = false;
53 m_screensize_old = v2u32(0,0);
56 Environment->setFocus(this);
57 m_menumgr->createdMenu(this);
59 virtual ~GUIModalMenu()
61 m_menumgr->deletingMenu(this);
64 void allowFocusRemoval(bool allow)
66 m_allow_focus_removal = allow;
69 bool canTakeFocus(gui::IGUIElement *e)
71 return (e && (e == this || isMyChild(e))) || m_allow_focus_removal;
79 video::IVideoDriver* driver = Environment->getVideoDriver();
80 v2u32 screensize = driver->getScreenSize();
81 if(screensize != m_screensize_old /*|| m_force_regenerate_gui*/)
83 m_screensize_old = screensize;
84 regenerateGui(screensize);
85 //m_force_regenerate_gui = false;
92 This should be called when the menu wants to quit.
94 WARNING: THIS DEALLOCATES THE MENU FROM MEMORY. Return
95 immediately if you call this from the menu itself.
99 allowFocusRemoval(true);
100 // This removes Environment's grab on us
101 Environment->removeFocus(this);
105 void removeChildren()
107 const core::list<gui::IGUIElement*> &children = getChildren();
108 core::list<gui::IGUIElement*> children_copy;
109 for(core::list<gui::IGUIElement*>::ConstIterator
110 i = children.begin(); i != children.end(); i++)
112 children_copy.push_back(*i);
114 for(core::list<gui::IGUIElement*>::Iterator
115 i = children_copy.begin();
116 i != children_copy.end(); i++)
122 virtual void regenerateGui(v2u32 screensize) = 0;
123 virtual void drawMenu() = 0;
124 virtual bool OnEvent(const SEvent& event) { return false; };
127 //bool m_force_regenerate_gui;
128 v2u32 m_screensize_old;
130 IMenuManager *m_menumgr;
131 // This might be necessary to expose to the implementation if it
132 // wants to launch other menus
133 bool m_allow_focus_removal;