113 lines
3.2 KiB
C++
113 lines
3.2 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#include "irrlichttypes_extrabloated.h"
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#include "irr_ptr.h"
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#include "util/string.h"
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class GUIModalMenu;
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class IMenuManager
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{
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public:
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// A GUIModalMenu calls these when this class is passed as a parameter
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virtual void createdMenu(gui::IGUIElement *menu) = 0;
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virtual void deletingMenu(gui::IGUIElement *menu) = 0;
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};
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// Remember to drop() the menu after creating, so that it can
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// remove itself when it wants to.
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class GUIModalMenu : public gui::IGUIElement
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{
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public:
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GUIModalMenu(gui::IGUIEnvironment* env, gui::IGUIElement* parent, s32 id,
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IMenuManager *menumgr, bool remap_dbl_click = true);
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virtual ~GUIModalMenu();
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void allowFocusRemoval(bool allow);
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bool canTakeFocus(gui::IGUIElement *e);
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void draw();
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void quitMenu();
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void removeChildren();
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virtual void regenerateGui(v2u32 screensize) = 0;
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virtual void drawMenu() = 0;
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virtual bool preprocessEvent(const SEvent &event);
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virtual bool OnEvent(const SEvent &event) { return false; };
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virtual bool pausesGame() { return false; } // Used for pause menu
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#ifdef __ANDROID__
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virtual bool getAndroidUIInput() { return false; }
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bool hasAndroidUIInput();
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#endif
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protected:
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virtual std::wstring getLabelByID(s32 id) = 0;
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virtual std::string getNameByID(s32 id) = 0;
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/**
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* check if event is part of a double click
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* @param event event to evaluate
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* @return true/false if a doubleclick was detected
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*/
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bool DoubleClickDetection(const SEvent &event);
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v2s32 m_pointer;
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v2s32 m_old_pointer; // Mouse position after previous mouse event
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v2u32 m_screensize_old;
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float m_gui_scale;
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#ifdef __ANDROID__
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v2s32 m_down_pos;
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std::string m_jni_field_name;
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#endif
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#ifdef HAVE_TOUCHSCREENGUI
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bool m_touchscreen_visible = true;
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#endif
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private:
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struct clickpos
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{
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v2s32 pos;
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s64 time;
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};
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clickpos m_doubleclickdetect[2];
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IMenuManager *m_menumgr;
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/* If true, remap a double-click (or double-tap) action to ESC. This is so
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* that, for example, Android users can double-tap to close a formspec.
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*
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* This value can (currently) only be set by the class constructor
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* and the default value for the setting is true.
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*/
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bool m_remap_dbl_click;
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// This might be necessary to expose to the implementation if it
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// wants to launch other menus
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bool m_allow_focus_removal = false;
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#ifdef __ANDROID__
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irr_ptr<gui::IGUIElement> m_hovered;
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bool simulateMouseEvent(gui::IGUIElement *target, ETOUCH_INPUT_EVENT touch_event);
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void enter(gui::IGUIElement *element);
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void leave();
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#endif
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};
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