#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <string>
#include "XDisplayConnection.hpp"
#include "XWindowInitException.hpp"
#include "XWindow.hpp"


Kronos::XWindow::XWindow(Kronos::XDisplayConnection& conn, Window window)
		: m_conn(conn), m_window(window) {
	Atom propName = XInternAtom(m_conn.getDisplay(), "WM_NAME", False);
	Atom type;
	int form;
	unsigned long remain, len;
	unsigned char* prop = nullptr;

	if(XGetWindowProperty(m_conn.getDisplay(), m_window, propName, 0, 1024, False, AnyPropertyType, &type, &form, &len, &remain, &prop) == Success) {
		m_name = (const char*) prop;
		XFree(prop);
	}

	XWindowAttributes attr;
	if(!XGetWindowAttributes(m_conn.getDisplay(), m_window, &attr)) {
		throw Kronos::Exception::XWindowInitException();
	}
	m_width = attr.width;
	m_height = attr.height;

	XSelectInput(m_conn.getDisplay(), m_window, StructureNotifyMask);
	XSync(m_conn.getDisplay(), 0);
}

Kronos::XWindow::~XWindow() {
	XSelectInput(m_conn.getDisplay(), m_window, 0);
}

void Kronos::XWindow::processEvents() {
	/*
	 *	IT DOES'T WORK !!
	 */

	while(XEventsQueued(m_conn.getDisplay(), QueuedAfterReading) > 0) {
		XEvent event;
		XNextEvent(m_conn.getDisplay(), &event);
		if(event.type == ConfigureNotify) {
			XConfigureEvent conf = event.xconfigure;
			m_width = conf.width;
			m_height = conf.height;
		}
	}
}

std::string Kronos::XWindow::getName() const {
	return m_name;
}

int Kronos::XWindow::getWidth() const {
	return m_width;
}

int Kronos::XWindow::getHeight() const {
	return m_height;
}