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.
22 #include "irrlichttypes_extrabloated.h"
23 #ifdef HAVE_TOUCHSCREENGUI
24 #include "touchscreengui.h"
32 // A GUIModalMenu calls these when this class is passed as a parameter
33 virtual void createdMenu(gui::IGUIElement *menu) = 0;
34 virtual void deletingMenu(gui::IGUIElement *menu) = 0;
38 Remember to drop() the menu after creating, so that it can
39 remove itself when it wants to.
42 class GUIModalMenu : public gui::IGUIElement
45 GUIModalMenu(gui::IGUIEnvironment* env, gui::IGUIElement* parent, s32 id,
46 IMenuManager *menumgr):
47 IGUIElement(gui::EGUIET_ELEMENT, env, parent, id,
48 core::rect<s32>(0,0,100,100))
53 Environment->setFocus(this);
54 m_menumgr->createdMenu(this);
57 virtual ~GUIModalMenu()
59 m_menumgr->deletingMenu(this);
62 void allowFocusRemoval(bool allow)
64 m_allow_focus_removal = allow;
67 bool canTakeFocus(gui::IGUIElement *e)
69 return (e && (e == this || isMyChild(e))) || m_allow_focus_removal;
77 video::IVideoDriver* driver = Environment->getVideoDriver();
78 v2u32 screensize = driver->getScreenSize();
79 if(screensize != m_screensize_old /*|| m_force_regenerate_gui*/)
81 m_screensize_old = screensize;
82 regenerateGui(screensize);
83 //m_force_regenerate_gui = false;
90 This should be called when the menu wants to quit.
92 WARNING: THIS DEALLOCATES THE MENU FROM MEMORY. Return
93 immediately if you call this from the menu itself.
95 (More precisely, this decrements the reference count.)
99 allowFocusRemoval(true);
100 // This removes Environment's grab on us
101 Environment->removeFocus(this);
102 m_menumgr->deletingMenu(this);
104 #ifdef HAVE_TOUCHSCREENGUI
105 if (g_touchscreengui)
106 g_touchscreengui->show();
110 void removeChildren()
112 const core::list<gui::IGUIElement*> &children = getChildren();
113 core::list<gui::IGUIElement*> children_copy;
114 for (gui::IGUIElement *i : children) {
115 children_copy.push_back(i);
118 for (gui::IGUIElement *i : children_copy) {
123 virtual void regenerateGui(v2u32 screensize) = 0;
124 virtual void drawMenu() = 0;
125 virtual bool preprocessEvent(const SEvent& event) { return false; };
126 virtual bool OnEvent(const SEvent& event) { return false; };
127 virtual bool pausesGame(){ return false; } // Used for pause menu
130 //bool m_force_regenerate_gui;
131 v2u32 m_screensize_old;
133 IMenuManager *m_menumgr;
134 // This might be necessary to expose to the implementation if it
135 // wants to launch other menus
136 bool m_allow_focus_removal = false;