Move files to subdirectories (#6599)

* Move files around

1 files changed, 137 insertions, 0 deletions

diff --git a/src/gui/modalMenu.h b/src/gui/modalMenu.h
new file mode 100644
index 000000000..f41591c3f
--- /dev/null
+++ b/src/gui/modalMenu.h
@@ -0,0 +1,137 @@
+/*
+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"
+#ifdef HAVE_TOUCHSCREENGUI
+#include "touchscreengui.h"
+#endif
+
+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):
+		IGUIElement(gui::EGUIET_ELEMENT, env, parent, id,
+				core::rect<s32>(0,0,100,100))
+	{
+		m_menumgr = menumgr;
+
+		setVisible(true);
+		Environment->setFocus(this);
+		m_menumgr->createdMenu(this);
+	}
+
+	virtual ~GUIModalMenu()
+	{
+		m_menumgr->deletingMenu(this);
+	}
+
+	void allowFocusRemoval(bool allow)
+	{
+		m_allow_focus_removal = allow;
+	}
+
+	bool canTakeFocus(gui::IGUIElement *e)
+	{
+		return (e && (e == this || isMyChild(e))) || m_allow_focus_removal;
+	}
+
+	void draw()
+	{
+		if(!IsVisible)
+			return;
+
+		video::IVideoDriver* driver = Environment->getVideoDriver();
+		v2u32 screensize = driver->getScreenSize();
+		if(screensize != m_screensize_old /*|| m_force_regenerate_gui*/)
+		{
+			m_screensize_old = screensize;
+			regenerateGui(screensize);
+			//m_force_regenerate_gui = false;
+		}
+
+		drawMenu();
+	}
+
+	/*
+		This should be called when the menu wants to quit.
+
+		WARNING: THIS DEALLOCATES THE MENU FROM MEMORY. Return
+		immediately if you call this from the menu itself.
+
+		(More precisely, this decrements the reference count.)
+	*/
+	void quitMenu()
+	{
+		allowFocusRemoval(true);
+		// This removes Environment's grab on us
+		Environment->removeFocus(this);
+		m_menumgr->deletingMenu(this);
+		this->remove();
+#ifdef HAVE_TOUCHSCREENGUI
+		if (g_touchscreengui)
+			g_touchscreengui->show();
+#endif
+	}
+
+	void removeChildren()
+	{
+		const core::list<gui::IGUIElement*> &children = getChildren();
+		core::list<gui::IGUIElement*> children_copy;
+		for (gui::IGUIElement *i : children) {
+			children_copy.push_back(i);
+		}
+
+		for (gui::IGUIElement *i : children_copy) {
+			i->remove();
+		}
+	}
+
+	virtual void regenerateGui(v2u32 screensize) = 0;
+	virtual void drawMenu() = 0;
+	virtual bool preprocessEvent(const SEvent& event) { return false; };
+	virtual bool OnEvent(const SEvent& event) { return false; };
+	virtual bool pausesGame(){ return false; } // Used for pause menu
+
+protected:
+	//bool m_force_regenerate_gui;
+	v2u32 m_screensize_old;
+private:
+	IMenuManager *m_menumgr;
+	// This might be necessary to expose to the implementation if it
+	// wants to launch other menus
+	bool m_allow_focus_removal = false;
+};