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/*
Minetest
Copyright (C) 2013 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.
*/
#pragma once
#include "irrlichttypes_extrabloated.h"
#include "util/string.h"
class GUIModalMenu;
class IMenuManager
{
public:
// A GUIModalMenu calls these when this class is passed as a parameter
virtual void createdMenu(gui::IGUIElement *menu) = 0;
virtual void deletingMenu(gui::IGUIElement *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, bool remap_dbl_click = true);
virtual ~GUIModalMenu();
void allowFocusRemoval(bool allow);
bool canTakeFocus(gui::IGUIElement *e);
void draw();
void quitMenu();
void removeChildren();
virtual void regenerateGui(v2u32 screensize) = 0;
virtual void drawMenu() = 0;
virtual bool preprocessEvent(const SEvent &event);
virtual bool OnEvent(const SEvent &event) { return false; };
virtual bool pausesGame() { return false; } // Used for pause menu
#ifdef __ANDROID__
virtual bool getAndroidUIInput() { return false; }
bool hasAndroidUIInput();
#endif
protected:
virtual std::wstring getLabelByID(s32 id) = 0;
virtual std::string getNameByID(s32 id) = 0;
/**
* check if event is part of a double click
* @param event event to evaluate
* @return true/false if a doubleclick was detected
*/
bool DoubleClickDetection(const SEvent &event);
v2s32 m_pointer;
v2s32 m_old_pointer; // Mouse position after previous mouse event
v2u32 m_screensize_old;
float m_gui_scale;
#ifdef __ANDROID__
v2s32 m_down_pos;
std::string m_jni_field_name;
#endif
#ifdef HAVE_TOUCHSCREENGUI
bool m_touchscreen_visible = true;
#endif
private:
struct clickpos
{
v2s32 pos;
s64 time;
};
clickpos m_doubleclickdetect[2];
IMenuManager *m_menumgr;
/* If true, remap a double-click (or double-tap) action to ESC. This is so
* that, for example, Android users can double-tap to close a formspec.
*
* This value can (currently) only be set by the class constructor
* and the default value for the setting is true.
*/
bool m_remap_dbl_click;
// This might be necessary to expose to the implementation if it
// wants to launch other menus
bool m_allow_focus_removal = false;
};
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