annotate data/model/SDLWidget.cpp @ 213:23f43d79d94b

add the grid for the plotter widget

#include <vector>
#include <cstdlib>
#include <ctime>
#include "SDLWidget.h"




SDLWidget::SDLWidget()
	:windowInitialized(false), screen(0),m_width(0), m_height(0)
	{
		setAttribute(Qt::WA_PaintOnScreen);
		setAttribute(Qt::WA_NoSystemBackground);
		connect(this,SIGNAL(initSizeChanged()),this,SLOT(updateMinSize()));

	}

SDLWidget::~SDLWidget()
	{
		SDL_Quit();
	}


void SDLWidget::setInitSize(int w, int h){
	m_width = w;
	m_height =h;
	emit(initSizeChanged());
}

void SDLWidget::updateMinSize()
{
	setMinimumSize( m_width,m_height);
	setMaximumSize( m_width,m_height);
}



void SDLWidget::showEvent(QShowEvent *e)
	{
		(void)e;
		

		//QWidget::showEvent(e);

		if(!windowInitialized)
		{
			// it's here the link between SDL and QT
			char windowid[64];
#ifdef Q_WS_WIN
			sprintf(windowid, "SDL_WINDOWID=0x%lx", reinterpret_cast<qlonglong>(winId()));
#elif defined Q_WS_X11
			sprintf(windowid, "SDL_WINDOWID=0x%lx", winId());
#else
			qFatal("uncorrect window ID");
#endif
			SDL_putenv(windowid);

			//SDL_Init(SDL_INIT_VIDEO);
			//screen = SDL_SetVideoMode(width(), height(), 32, SDL_SWSURFACE);
			windowInitialized = true;
		}
	}