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"
24 #ifdef HAVE_TOUCHSCREENGUI
25 #include "touchscreengui.h"
33 // A GUIModalMenu calls these when this class is passed as a parameter
34 virtual void createdMenu(GUIModalMenu *menu) = 0;
35 virtual void deletingMenu(GUIModalMenu *menu) = 0;
39 Remember to drop() the menu after creating, so that it can
40 remove itself when it wants to.
43 class GUIModalMenu : public gui::IGUIElement
46 GUIModalMenu(gui::IGUIEnvironment* env,
47 gui::IGUIElement* parent, s32 id,
48 IMenuManager *menumgr):
49 IGUIElement(gui::EGUIET_ELEMENT, env, parent, id,
50 core::rect<s32>(0,0,100,100))
52 //m_force_regenerate_gui = false;
55 m_allow_focus_removal = false;
56 m_screensize_old = v2u32(0,0);
59 Environment->setFocus(this);
60 m_menumgr->createdMenu(this);
62 virtual ~GUIModalMenu()
64 m_menumgr->deletingMenu(this);
67 void allowFocusRemoval(bool allow)
69 m_allow_focus_removal = allow;
72 bool canTakeFocus(gui::IGUIElement *e)
74 return (e && (e == this || isMyChild(e))) || m_allow_focus_removal;
82 video::IVideoDriver* driver = Environment->getVideoDriver();
83 v2u32 screensize = driver->getScreenSize();
84 if(screensize != m_screensize_old /*|| m_force_regenerate_gui*/)
86 m_screensize_old = screensize;
87 regenerateGui(screensize);
88 //m_force_regenerate_gui = false;
95 This should be called when the menu wants to quit.
97 WARNING: THIS DEALLOCATES THE MENU FROM MEMORY. Return
98 immediately if you call this from the menu itself.
100 (More precisely, this decrements the reference count.)
104 allowFocusRemoval(true);
105 // This removes Environment's grab on us
106 Environment->removeFocus(this);
107 m_menumgr->deletingMenu(this);
109 #ifdef HAVE_TOUCHSCREENGUI
110 if (g_touchscreengui)
111 g_touchscreengui->Show();
115 void removeChildren()
117 const core::list<gui::IGUIElement*> &children = getChildren();
118 core::list<gui::IGUIElement*> children_copy;
119 for(core::list<gui::IGUIElement*>::ConstIterator
120 i = children.begin(); i != children.end(); i++)
122 children_copy.push_back(*i);
124 for(core::list<gui::IGUIElement*>::Iterator
125 i = children_copy.begin();
126 i != children_copy.end(); i++)
132 virtual void regenerateGui(v2u32 screensize) = 0;
133 virtual void drawMenu() = 0;
134 virtual bool preprocessEvent(const SEvent& event) { return false; };
135 virtual bool OnEvent(const SEvent& event) { return false; };
136 virtual bool pausesGame(){ return false; } // Used for pause menu
139 //bool m_force_regenerate_gui;
140 v2u32 m_screensize_old;
142 IMenuManager *m_menumgr;
143 // This might be necessary to expose to the implementation if it
144 // wants to launch other menus
145 bool m_allow_focus_removal;