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* DISCARD ON MERGE!: Temporary compatibility fix: translate signal aspects back...orwell962020-07-23
* Move LZB system to core and unify approach callback mechanismorwell962019-04-16
* possible fix for "trains standing at green signals"orwell962019-02-21
* Improve Signal IP form/workfloworwell962019-02-16
* Signs (static signals)orwell962018-12-08
* Permit basic signal aspect settingorwell962018-11-19
* Make fillout_aspect also fill "info" fieldorwell962018-10-30
* Fix signal_get_aspect()orwell962018-10-29
* Fix demo signalsorwell962018-10-25
* Add doc for supported_aspects, improve other doc and aspect autofillorwell962018-10-25
* Actually allow what manual promises (setting IP on non-assigned signals)orwell962018-10-17
* Properly implement invalidate_all_paths, recheck lzb on aspect changeorwell962018-10-10
* Make signal influence point (~halt point) specifiableorwell962018-10-09
* Signal aspect handling, make default signals compatible, fix signal diggingorwell962018-08-12
* Signal assignment and route programming procedureorwell962018-07-04
* Interlocking: Create demo signals, signal API and model for TCB configurer nodeorwell962018-06-19
d='n190' href='#n190'>190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228
/*
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.
*/

#include "guiTextInputMenu.h"
#include "debug.h"
#include "serialization.h"
#include "main.h" // for g_settings
#include "settings.h"
#include <string>
#include <IGUICheckBox.h>
#include <IGUIEditBox.h>
#include <IGUIButton.h>
#include <IGUIStaticText.h>
#include <IGUIFont.h>

#include "gettext.h"

#if USE_FREETYPE
#include "intlGUIEditBox.h"
#endif

GUITextInputMenu::GUITextInputMenu(gui::IGUIEnvironment* env,
		gui::IGUIElement* parent, s32 id,
		IMenuManager *menumgr,
		TextDest *dest,
		std::wstring initial_text
):
	GUIModalMenu(env, parent, id, menumgr),
	m_dest(dest),
	m_initial_text(initial_text)
{
}

GUITextInputMenu::~GUITextInputMenu()
{
	removeChildren();
	if(m_dest)
		delete m_dest;
}

void GUITextInputMenu::removeChildren()
{
	{
		gui::IGUIElement *e = getElementFromId(256);
		if(e != NULL)
			e->remove();
	}
	{
		gui::IGUIElement *e = getElementFromId(257);
		if(e != NULL)
			e->remove();
	}
}

void GUITextInputMenu::regenerateGui(v2u32 screensize)
{
	std::wstring text;

	{
		gui::IGUIElement *e = getElementFromId(256);
		if(e != NULL)
		{
			text = e->getText();
		}
		else
		{
			text = m_initial_text;
			m_initial_text = L"";
		}
	}

	/*
		Remove stuff
	*/
	removeChildren();
	
	/*
		Calculate new sizes and positions
	*/
	core::rect<s32> rect(
			screensize.X/2 - 580/2,
			screensize.Y/2 - 300/2,
			screensize.X/2 + 580/2,
			screensize.Y/2 + 300/2
	);
	
	DesiredRect = rect;
	recalculateAbsolutePosition(false);

	v2s32 size = rect.getSize();

	/*
		Add stuff
	*/
	{
		core::rect<s32> rect(0, 0, 300, 30);
		rect = rect + v2s32(size.X/2-300/2, size.Y/2-30/2-25);
		gui::IGUIElement *e;
		#if USE_FREETYPE
		if (g_settings->getBool("freetype")) {
			e = (gui::IGUIElement *) new gui::intlGUIEditBox(text.c_str(), true, Environment, this, 256, rect);
			e->drop();
		} else {
			e = Environment->addEditBox(text.c_str(), rect, true, this, 256);
		}
		#else
			e = Environment->addEditBox(text.c_str(), rect, true, this, 256);
		#endif
		Environment->setFocus(e);

		irr::SEvent evt;
		evt.EventType = EET_KEY_INPUT_EVENT;
		evt.KeyInput.Key = KEY_END;
		evt.KeyInput.PressedDown = true;
		evt.KeyInput.Char = 0;
		evt.KeyInput.Control = 0;
		evt.KeyInput.Shift = 0;
		e->OnEvent(evt);
	}
	{
		core::rect<s32> rect(0, 0, 140, 30);
		rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2+25);
		wchar_t* text = wgettext("Proceed");
		Environment->addButton(rect, this, 257,
			text);
		delete[] text;
	}
}

void GUITextInputMenu::drawMenu()
{
	gui::IGUISkin* skin = Environment->getSkin();
	if (!skin)
		return;
	video::IVideoDriver* driver = Environment->getVideoDriver();
	
	video::SColor bgcolor(140,0,0,0);
	driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);

	gui::IGUIElement::draw();
}

void GUITextInputMenu::acceptInput()
{
	if(m_dest)
	{
		gui::IGUIElement *e = getElementFromId(256);
		if(e != NULL)
		{
			m_dest->gotText(e->getText());
		}
		delete m_dest;
		m_dest = NULL;
	}
}

bool GUITextInputMenu::OnEvent(const SEvent& event)
{
	if(event.EventType==EET_KEY_INPUT_EVENT)
	{
		if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
		{
			quitMenu();
			return true;
		}
		if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
		{
			acceptInput();
			quitMenu();
			return true;
		}
	}
	if(event.EventType==EET_GUI_EVENT)
	{
		if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
				&& isVisible())
		{
			if(!canTakeFocus(event.GUIEvent.Element))
			{
				dstream<<"GUITextInputMenu: Not allowing focus change."
						<<std::endl;
				// Returning true disables focus change
				return true;
			}
		}
		if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
		{
			switch(event.GUIEvent.Caller->getID())
			{
			case 257:
				acceptInput();
				quitMenu();
				// quitMenu deallocates menu
				return true;
			}
		}
		if(event.GUIEvent.EventType==gui::EGET_EDITBOX_ENTER)
		{
			switch(event.GUIEvent.Caller->getID())
			{
			case 256:
				acceptInput();
				quitMenu();
				// quitMenu deallocates menu
				return true;
			}
		}
	}

	return Parent ? Parent->OnEvent(event) : false;
}