#include <iostream>
#include <string.h>

#include <windows.h>

const char g_szClassName[] = "myWindowClass";
const char class2[] = "class2";

#define IDC_MAIN_BUTTON	101			// Button identifier
#define IDC_MAIN_EDIT	102			// Edit box identifier
HWND hEdit, hEdit2, w2;

LRESULT CALLBACK WinProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
LRESULT CALLBACK WinProc2(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
	LPSTR lpCmdLine, int nCmdShow)
{
	WNDCLASSEX wc, wc2;
	HWND hwnd;
	MSG Msg;

	//Step 1: Registering the Window Class
	wc.cbSize = sizeof(WNDCLASSEX);
	wc.style = 0;
	wc.lpfnWndProc = WinProc;
	wc.cbClsExtra = 0;
	wc.cbWndExtra = 0;
	wc.hInstance = hInstance;
	wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wc.hCursor = LoadCursor(NULL, IDC_ARROW);
	wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
	wc.lpszMenuName = NULL;
	wc.lpszClassName = g_szClassName;
	wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
	
	wc2.cbSize = sizeof(WNDCLASSEX);
	wc2.style = 0;
	wc2.lpfnWndProc = WinProc2;
	wc2.cbClsExtra = 0;
	wc2.cbWndExtra = 0;
	wc2.hInstance = hInstance;
	wc2.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wc2.hCursor = LoadCursor(NULL, IDC_ARROW);
	wc2.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
	wc2.lpszMenuName = NULL;
	wc2.lpszClassName = class2;
	wc2.hIconSm = LoadIcon(NULL, IDI_APPLICATION);

	if (!RegisterClassEx(&wc) || !RegisterClassEx(&wc2))
	{
		MessageBox(NULL, "Window Registration Failed!", "Error!",
			MB_ICONEXCLAMATION | MB_OK);
		return 0;
	}	
	
	// Step 2: Creating the Window
	hwnd = CreateWindowEx(
		WS_EX_CLIENTEDGE,
		g_szClassName,
		"The title of my window",
		WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, CW_USEDEFAULT, 480, 480,
		NULL, NULL, hInstance, NULL);

	if (hwnd == NULL)
	{
		MessageBox(NULL, "Window Creation Failed!", "Error!",
			MB_ICONEXCLAMATION | MB_OK);
		return 0;
	}

	ShowWindow(hwnd, nCmdShow);
	UpdateWindow(hwnd);

	// Step 3: The Message Loop
	while (GetMessage(&Msg, NULL, 0, 0) > 0)
	{
		TranslateMessage(&Msg);
		DispatchMessage(&Msg);
	}
	return Msg.wParam;
}
LRESULT CALLBACK WinProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	switch (msg)
	{
		case WM_CREATE:
		{					
			hEdit = CreateWindowEx(WS_EX_CLIENTEDGE,
				"EDIT",
				"",
				WS_CHILD | WS_VISIBLE |
				ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL,
				50,
				100,
				200,
				25,
				hWnd,
				(HMENU) IDC_MAIN_EDIT,
				GetModuleHandle(NULL),
				NULL);
			
			HGDIOBJ hfDefault = GetStockObject(DEFAULT_GUI_FONT);
			SendMessage(hEdit,
				WM_SETFONT,
				(WPARAM) hfDefault,
				MAKELPARAM(FALSE, 0));

			SendMessage(hEdit,
				WM_SETTEXT,
				NULL,
				(LPARAM)"Insert text here...");

			// Create a push button
			HWND hWndButton = CreateWindowEx(NULL,
				"BUTTON",
				"OK",
				WS_TABSTOP | WS_VISIBLE |
				WS_CHILD | BS_DEFPUSHBUTTON,
				50,
				220,
				100,
				24,
				hWnd,
				(HMENU) IDC_MAIN_BUTTON,
				GetModuleHandle(NULL),
				NULL);
			/*SendMessage(hWndButton,
				WM_SETFONT,
				(WPARAM) hfDefault,
				MAKELPARAM(FALSE, 0));*/

			w2 = CreateWindowEx(
				WS_EX_CLIENTEDGE,
				class2,
				"window 2",
				WS_TILEDWINDOW,
				CW_USEDEFAULT, CW_USEDEFAULT, 480, 480,
				hWnd, NULL, NULL, NULL);

			WINDOWINFO wi;
			GetWindowInfo(hWnd, &wi);
			//keep from overlapping
			SetWindowPos(w2, NULL, wi.rcWindow.right + 25, wi.rcWindow.top, 480, 480, NULL);

			ShowWindow(w2, 1);
		}
		break;

	case WM_COMMAND:
		switch (LOWORD(wParam))
		{
			case IDC_MAIN_BUTTON:
			{
				char buffer[256];
				SendMessage(hEdit,
					WM_GETTEXT,
					sizeof(buffer) / sizeof(buffer[0]),
					reinterpret_cast<LPARAM>(buffer));
				SendMessage(hEdit2, 
					WM_SETTEXT, 
					sizeof(buffer) / sizeof(buffer[0]),
					reinterpret_cast<LPARAM>(buffer));										
			}
			break;
		}
		break;

		case WM_DESTROY:
		{
			PostQuitMessage(0);
			return 0;
		}
		break;
	}

	return DefWindowProc(hWnd, msg, wParam, lParam);
}
LRESULT CALLBACK WinProc2(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	switch (msg)
	{
		case WM_CREATE:
		{
			// Create an edit box
			hEdit2 = CreateWindowEx(WS_EX_CLIENTEDGE,
				"EDIT",
				"",
				WS_CHILD | WS_VISIBLE |
				ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL,
				50,
				100,
				360,
				260,
				hWnd,
				(HMENU) IDC_MAIN_EDIT,
				GetModuleHandle(NULL),
				NULL);
			HGDIOBJ hfDefault = GetStockObject(DEFAULT_GUI_FONT);

			SendMessage(hEdit2,
				WM_SETFONT,
				(WPARAM) hfDefault,
				MAKELPARAM(FALSE, 0));					 					  
		}
		break;

		case WM_COMMAND:
			switch (LOWORD(wParam))
			{
			
			}
			break;

		case WM_DESTROY:
		{
			PostQuitMessage(0);
			return 0;
		}
		break;
	}

	return DefWindowProc(hWnd, msg, wParam, lParam);
}