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/*
Minetest-c55
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
Original author Kabak Dmitry <userdima@gmail.com>, contributed under
the minetest contributor agreement.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU 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 "guiPauseMenu.h"
void guiPauseMenu::scaleGui() // this function scales gui from the size stored in file to screen size
{
core::dimension2du screen=dev->getVideoDriver()->getScreenSize();
core::vector2di real=root->getAbsolutePosition().LowerRightCorner; // determine gui size stored in file (which is size of my menu root node)
float factorX=(float)screen.Width/(float)real.X;
float factorY=(float)screen.Height/(float)real.Y;
scaleGui(guienv->getRootGUIElement(),factorX,factorY);
}
void guiPauseMenu::scaleGui(gui::IGUIElement *node,float factorX,float factorY) // recursive set scale
{
if((node->getParent() && node->getParent()->getID()==255) || node->getID()==255) // modify only menu's elements
{
int lx,rx,ly,ry;
lx=(float)node->getRelativePosition().UpperLeftCorner.X*factorX;
ly=(float)node->getRelativePosition().UpperLeftCorner.Y*factorY;
rx=(float)node->getRelativePosition().LowerRightCorner.X*factorX;
ry=(float)node->getRelativePosition().LowerRightCorner.Y*factorY;
node->setRelativePosition(core::recti(lx,ly,rx,ry));
}
core::list<gui::IGUIElement*>::ConstIterator it = node->getChildren().begin();
for(; it != node->getChildren().end(); ++it)
scaleGui((*it),factorX,factorY);
}
bool guiPauseMenu::loadMenu()
{
guienv->loadGUI("../data/pauseMenu.gui");
root=(gui::IGUIStaticText*)guienv->getRootGUIElement()->getElementFromId(255,true);
if(!root) // if there is no my root node then menu file not found or corrupted
return false;
scaleGui(); // scale gui to our screen size
root->setVisible(false); // hide our menu
// make it transparent
//root->setBackgroundColor(video::SColor(100,128,100,128));
root->setBackgroundColor(video::SColor(140,0,0,0));
return true;
}
guiPauseMenu::guiPauseMenu(IrrlichtDevice *device, IEventReceiver *recv) : dev(device), oldRecv(recv)
{
if(!dev)
return;
guienv=dev->getGUIEnvironment();
if (!loadMenu())
return;
device->setEventReceiver(this); // now WE are the input receiver! ahhaha!
}
bool guiPauseMenu::OnEvent(const SEvent& event)
{
if(!dev->isWindowFocused())
setVisible(true);
bool ret=false;
if(oldRecv && !isVisible()) // call master if we have it and if we are inactive
ret=oldRecv->OnEvent(event);
if(ret==true)
return true; // if the master receiver does the work
if(event.EventType==EET_KEY_INPUT_EVENT)
{
if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
{
setVisible(!isVisible());
}
}
if(event.EventType==EET_GUI_EVENT)
{
if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
{
switch(event.GUIEvent.Caller->getID())
{
case 256: // continue
setVisible(false);
break;
case 257: // exit
dev->closeDevice();
break;
}
}
}
return false;
}
guiPauseMenu::~guiPauseMenu(void)
{
}
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