#include <Spectre/Display/DisplayDescription.h> // Prevents conflict with X.h defining "None"
#include <Spectre/System/Log.h>
#include "X11SharedDisplay.h"
#include "GLXContext.h"
#include "X11Display.h"

namespace sp {

X11Display::
X11Display() :
m_screen (0),
m_disp	 (NULL),
m_size   (200,200)
{
}

bool X11Display::create(DisplayDescription description)
{
	XSetWindowAttributes attr;
	XVisualInfo* vi;

	m_disp = XGetDisplay();
	if (m_disp == NULL) {
		Log::warn("X11: Could not open display");
		return false;
	}

	m_screen = DefaultScreen(m_disp);

	attr.border_pixel = BlackPixel(m_disp, m_screen);
	attr.background_pixel = WhitePixel(m_disp, m_screen);
	//attr.override_redirect = True;
	attr.colormap = ::XCreateColormap(m_disp, RootWindow(m_disp, m_screen), DefaultVisual(m_disp, m_screen), AllocNone);
	// We want Keyboard,Mouse,Resize,Exposure (repaint) events.
	attr.event_mask = KeyPressMask | KeyReleaseMask
		| ButtonPressMask | ButtonReleaseMask | PointerMotionMask
		| ResizeRedirectMask | ExposureMask;

	m_win = XCreateWindow(m_disp,
		RootWindow(m_disp, m_screen),
		0, 0,
		m_size.x, m_size.y, 0, DefaultDepth(m_disp, m_screen),
		InputOutput, DefaultVisual(m_disp, m_screen),
		CWBackPixel | CWColormap | CWBorderPixel | CWEventMask, &attr);


	XMapWindow(m_disp, m_win);

	// Clear and take focus
	XClearWindow(m_disp, m_win);
	XMapRaised(m_disp, m_win);

	Log::info("X11: Created display");

	return true;
}

void X11Display::destroy()
{
	if (m_disp) {
		XReleaseDisplay();
		m_disp = NULL;
	}
}

bool X11Display::isValid()
{
	return m_disp && m_win;
}

void* X11Display::getHandle() const
{
	return (void*) m_win;
}

void X11Display::setSize(unsigned int width, unsigned int height)
{
	m_size = Vector2u(width, height);

	::XResizeWindow(m_disp, m_win, m_size.x, m_size.y);
}

Vector2u X11Display::getSize() const
{
	return m_size;
}

void X11Display::setPosition(unsigned int x, unsigned int y)
{
	::XMoveWindow(m_disp, m_win, x, y);
}

void X11Display::setCaption(const std::string& caption)
{
	::XStoreName(m_disp, m_win, caption.c_str());
}

void X11Display::setIcon(const std::string& icon)
{
	// TODO: Implement
}

void X11Display::showCursor(bool value)
{
	// TODO: Implement
}

} // namespace sp