/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2018 stujones11, Stuart Jones <stujones111@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.
*/

#include <cstdlib>
#include "modalMenu.h"
#include "gettext.h"
#include "porting.h"
#include "settings.h"

#ifdef HAVE_TOUCHSCREENGUI
#include "touchscreengui.h"
#endif

// clang-format off
GUIModalMenu::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)),
#ifdef __ANDROID__
		m_jni_field_name(""),
#endif
		m_menumgr(menumgr)
{
	m_gui_scale = g_settings->getFloat("gui_scaling");
#ifdef __ANDROID__
	float d = porting::getDisplayDensity();
	m_gui_scale *= 1.1 - 0.3 * d + 0.2 * d * d;
#endif
	setVisible(true);
	Environment->setFocus(this);
	m_menumgr->createdMenu(this);
}
// clang-format on

GUIModalMenu::~GUIModalMenu()
{
	m_menumgr->deletingMenu(this);
}

void GUIModalMenu::allowFocusRemoval(bool allow)
{
	m_allow_focus_removal = allow;
}

bool GUIModalMenu::canTakeFocus(gui::IGUIElement *e)
{
	return (e && (e == this || isMyChild(e))) || m_allow_focus_removal;
}

void GUIModalMenu::draw()
{
	if (!IsVisible)
		return;

	video::IVideoDriver *driver = Environment->getVideoDriver();
	v2u32 screensize = driver->getScreenSize();
	if (screensize != m_screensize_old) {
		m_screensize_old = screensize;
		regenerateGui(screensize);
	}

	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 GUIModalMenu::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 && m_touchscreen_visible)
		g_touchscreengui->show();
#endif
}

void GUIModalMenu::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();
	}
}

bool GUIModalMenu::preprocessEvent(const SEvent &event)
{
#ifdef __ANDROID__
	// clang-format off
	// display software keyboard when clicking edit boxes
	if (event.EventType == EET_MOUSE_INPUT_EVENT &&
			event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
		gui::IGUIElement *hovered =
			Environment->getRootGUIElement()->getElementFromPoint(
				core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y));
		if ((hovered) && (hovered->getType() == irr::gui::EGUIET_EDIT_BOX)) {
			bool retval = hovered->OnEvent(event);
			if (retval)
				Environment->setFocus(hovered);

			std::string field_name = getNameByID(hovered->getID());
			// read-only field
			if (field_name.empty())
				return retval;

			m_jni_field_name = field_name;
			/*~ Imperative, as in "Enter/type in text".
			Don't forget the space. */
			std::string message = gettext("Enter ");
			std::string label = wide_to_utf8(getLabelByID(hovered->getID()));
			if (label.empty())
				label = "text";
			message += gettext(label) + ":";

			// single line text input
			int type = 2;

			// multi line text input
			if (((gui::IGUIEditBox *)hovered)->isMultiLineEnabled())
				type = 1;

			// passwords are always single line
			if (((gui::IGUIEditBox *)hovered)->isPasswordBox())
				type = 3;

			porting::showInputDialog(gettext("ok"), "",
				wide_to_utf8(((gui::IGUIEditBox *)hovered)->getText()),	type);
			return retval;
		}
	}

	if (event.EventType == EET_TOUCH_INPUT_EVENT) {
		SEvent translated;
		memset(&translated, 0, sizeof(SEvent));
		translated.EventType = EET_MOUSE_INPUT_EVENT;
		gui::IGUIElement *root = Environment->getRootGUIElement();

		if (!root) {
			errorstream << "GUIModalMenu::preprocessEvent"
			            << " unable to get root element" << std::endl;
			return false;
		}
		gui::IGUIElemen<span class="hl com">/*</span>
<span class="hl com">Minetest</span>
<span class="hl com">Copyright (C) 2010-2013 celeron55, Perttu Ahola &lt;celeron55&#64;gmail.com&gt;</span>
<span class="hl com">Copyright (C) 2017 numzero, Lobachevskiy Vitaliy &lt;numzer0&#64;yandex.ru&gt;</span>
<span class="hl com"></span>
<span class="hl com">This program is free software; you can redistribute it and/or modify</span>
<span class="hl com">it under the terms of the GNU Lesser General Public License as published by</span>
<span class="hl com">the Free Software Foundation; either version 2.1 of the License, or</span>
<span class="hl com">(at your option) any later version.</span>
<span class="hl com"></span>
<span class="hl com">This program is distributed in the hope that it will be useful,</span>
<span class="hl com">but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="hl com">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<span class="hl com">GNU Lesser General Public License for more details.</span>
<span class="hl com"></span>
<span class="hl com">You should have received a copy of the GNU Lesser General Public License along</span>
<span class="hl com">with this program; if not, write to the Free Software Foundation, Inc.,</span>
<span class="hl com">51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.</span>
<span class="hl com">*/</span>

<span class="hl ppc">#include</span> <span class="hl pps">&quot;factory.h&quot;</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">&quot;log.h&quot;</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">&quot;plain.h&quot;</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">&quot;anaglyph.h&quot;</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">&quot;interlaced.h&quot;</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">&quot;pageflip.h&quot;</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">&quot;sidebyside.h&quot;</span><span class="hl ppc"></span>

RenderingCore <span class="hl opt">*</span><span class="hl kwd">createRenderingCore</span><span class="hl opt">(</span><span class="hl kwb">const</span> <span class="hl kwc">std</span><span class="hl opt">::</span>string <span class="hl opt">&amp;</span>stereo_mode<span class="hl opt">,</span> IrrlichtDevice <span class="hl opt">*</span>device<span class="hl opt">,</span>
		Client <span class="hl opt">*</span>client<span class="hl opt">,</span> Hud <span class="hl opt">*</span>hud<span class="hl opt">)</span>
<span class="hl opt">{</span>
	<span class="hl kwa">if</span> <span class="hl opt">(</span>stereo_mode <span class="hl opt">==</span> <span class="hl str">&quot;none&quot;</span><span class="hl opt">)</span>
		<span class="hl kwa">return new</span> <span class="hl kwd">RenderingCorePlain</span><span class="hl opt">(</span>device<span class="hl opt">,</span> client<span class="hl opt">,</span> hud<span class="hl opt">);</span>
	<span class="hl kwa">if</span> <span class="hl opt">(</span>stereo_mode <span class="hl op