Window.cpp

#include "Window.h"

Window* window = NULL;

Window::Window()
{
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) {
	switch (msg) {
	case WM_CREATE:
	{
		// Event fired when the window will be created
		window->onCreate();
		break;
	}
	case WM_DESTROY:
	{
		//Event fired when the window is destroyed
		window->onDestroy();
		::PostQuitMessage(0);
		break;
	}
	default:
	{
		return ::DefWindowProc(hwnd, msg, wparam, lparam);
	}
	}

	return NULL;
}

bool Window::init()
{
	// Setting up WNDCLASSEX object
	WNDCLASSEX wc;
	wc.cbClsExtra = NULL;
	wc.cbSize = sizeof(WNDCLASSEX);
	wc.cbWndExtra = NULL;
	wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
	wc.hCursor = LoadCursor(NULL, IDC_ARROW);
	wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
	wc.hInstance = NULL;
	wc.lpszClassName = L"MyWindowClass";
	wc.lpszMenuName = L"";
	wc.style = NULL;
	wc.lpfnWndProc = &WndProc;

	if (!::RegisterClassEx(&wc)) // if the registration of class fails, the function will return false
		return false;

	if (!window)
		window = this;

	// Creation of the window
	m_hwnd=::CreateWindowEx(WS_EX_OVERLAPPEDWINDOW, L"MyWindowClass", L"DirectX Application", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 1024, 768, NULL, NULL, NULL, NULL);
	
	// If the the creation of the window fails return false
	if (!m_hwnd)
		return false;

	// show the window
	::ShowWindow(m_hwnd, SW_SHOW);
	::UpdateWindow(m_hwnd);

	

	m_is_run = true;

	return true;
}

bool Window::broadcast()
{
	MSG msg;
	while (::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) > 0) {
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}

	window->onUpdate();


	Sleep(0);

	return true;
}

bool Window::release()
{
	// Destroy the window
	if (::DestroyWindow(m_hwnd))
		return false; 

	return true;
}

bool Window::isRun()
{

	return m_is_run;
}

void Window::onDestroy()
{
	m_is_run = false;
}

Window::~Window()
{
}