// WindowsTestApp2.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "WindowsTestApp2.h"
#include <objidl.h>
#include <gdiplus.h>
#include <MMsystem.h>
using namespace Gdiplus;
#pragma comment (lib,"Gdiplus.lib")
#pragma comment(lib, "winmm.lib")

#define MAX_LOADSTRING 100
#define ID_BUTTON1 1

HWND hText;

// Global Variables:
HINSTANCE hInst;                                // current instance
WCHAR szTitle[MAX_LOADSTRING];                  // The title bar text
WCHAR szWindowClass[MAX_LOADSTRING];            // the main window class name
WCHAR text[10] = L"Helloj";
WCHAR newText[10] = L"New text";
int i = 5;
WCHAR info[20];
//wchar_t text[100] = "Hello";

VOID OnPaint(HDC hdc)
{
	Graphics graphics(hdc);

	//Pen      pen(Color(255, 0, 0, 255));
	//graphics.DrawLine(&pen, 0, 0, 200, 100);

	SolidBrush  brush(Color(255, 0, 0, 255));
	FontFamily  fontFamily(L"Arial");
	Font        font(&fontFamily, 32, FontStyleRegular, UnitPixel);
	PointF      pointF(100.0f, 20.0f);

	graphics.DrawString(L"Fun with controls", -1, &font, pointF, &brush);
}

void AddControls(HWND hWnd)
{
	hText = CreateWindowW(L"Static", L" ", WS_VISIBLE | WS_CHILD, 250, 140, 500, 100, hWnd,
		NULL, NULL, NULL);

	CreateWindowW(L"Button", L"Run sequence", WS_VISIBLE | WS_CHILD, 250, 250, 150, 38, hWnd,
		(HMENU)ID_BUTTON1, NULL, NULL);

	//CreateWindowW(L"Button", L"Hide text", WS_VISIBLE | WS_CHILD, 355, 250, 98, 38, hWnd,
	//	(HMENU)ID_BUTTON2, NULL, NULL);

	//CreateWindowW(L"Button", L"Change text", WS_VISIBLE | WS_CHILD, 460, 250, 98, 38, hWnd,
	//	(HMENU)ID_BUTTON3, NULL, NULL);
}

void ChangeText(HWND hWnd) {
	_itow_s(i, info, 16);
	Sleep(1000);
	SetWindowTextW(hText, info);
	PlaySound(TEXT("bloop_x.wav"), NULL, SND_SYNC);
	Sleep(5000);
	SetWindowTextW(hText, newText);
	PlaySound(TEXT("bloop_x.wav"), NULL, SND_SYNC);
}

// Forward declarations of functions included in this code module:
ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK    About(HWND, UINT, WPARAM, LPARAM);

int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
                     _In_opt_ HINSTANCE hPrevInstance,
                     _In_ LPWSTR    lpCmdLine,
                     _In_ int       nCmdShow)
{
    UNREFERENCED_PARAMETER(hPrevInstance);
    UNREFERENCED_PARAMETER(lpCmdLine);

    // TODO: Place code here.
	GdiplusStartupInput gdiplusStartupInput;
	ULONG_PTR           gdiplusToken;

	// Initialize GDI+.
	GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);

    // Initialize global strings
    LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
    LoadStringW(hInstance, IDC_WINDOWSTESTAPP2, szWindowClass, MAX_LOADSTRING);
    MyRegisterClass(hInstance);

    // Perform application initialization:
    if (!InitInstance (hInstance, nCmdShow))
    {
        return FALSE;
    }

    HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WINDOWSTESTAPP2));

    MSG msg;

    // Main message loop:
    while (GetMessage(&msg, nullptr, 0, 0))
    {
        if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }

	GdiplusShutdown(gdiplusToken);
    return (int) msg.wParam;
}

//
//  FUNCTION: MyRegisterClass()
//
//  PURPOSE: Registers the window class.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
    WNDCLASSEXW wcex;

    wcex.cbSize = sizeof(WNDCLASSEX);

    wcex.style          = CS_HREDRAW | CS_VREDRAW;
    wcex.lpfnWndProc    = WndProc;
    wcex.cbClsExtra     = 0;
    wcex.cbWndExtra     = 0;
    wcex.hInstance      = hInstance;
    wcex.hIcon          = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_WINDOWSTESTAPP2));
    wcex.hCursor        = LoadCursor(nullptr, IDC_ARROW);
    wcex.hbrBackground  = (HBRUSH)(COLOR_WINDOW+1);
    wcex.lpszMenuName   = MAKEINTRESOURCEW(IDC_WINDOWSTESTAPP2);
    wcex.lpszClassName  = szWindowClass;
    wcex.hIconSm        = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

    return RegisterClassExW(&wcex);
}

//
//   FUNCTION: InitInstance(HINSTANCE, int)
//
//   PURPOSE: Saves instance handle and creates main window
//
//   COMMENTS:
//
//        In this function, we save the instance handle in a global variable and
//        create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   hInst = hInstance; // Store instance handle in our global variable

   HWND hWnd = CreateWindowW(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      400, 0, CW_USEDEFAULT, 0, nullptr, nullptr, hInstance, nullptr);

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}

//
//  FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
//  PURPOSE: Processes messages for the main window.
//
//  WM_COMMAND  - process the application menu
//  WM_PAINT    - Paint the main window
//  WM_DESTROY  - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    case WM_COMMAND:
        {
            int wmId = LOWORD(wParam);
            // Parse the menu selections:
            switch (wmId)
            {
            case IDM_ABOUT:
                DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
                break;
            case IDM_EXIT:
                DestroyWindow(hWnd);
                break;
			case ID_BUTTON1:
				//MessageBeep(MB_ICONINFORMATION);
				//ShowWindow(hText, SW_SHOW);
				//ShowWindow(hText, SW_HIDE);
				ChangeText(hWnd);
				break;
			default:
                return DefWindowProc(hWnd, message, wParam, lParam);
            }
        }
        break;
    case WM_PAINT:
        {
            PAINTSTRUCT ps;
            HDC hdc = BeginPaint(hWnd, &ps);
            // TODO: Add any drawing code that uses hdc here...
			OnPaint(hdc);
            EndPaint(hWnd, &ps);
        }
        break;
	case WM_CREATE:
		AddControls(hWnd);
		//SetWindowTextW(hText, text);
		SetWindowTextW(hText, NULL);
		break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    default:
        return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}

// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    UNREFERENCED_PARAMETER(lParam);
    switch (message)
    {
    case WM_INITDIALOG:
        return (INT_PTR)TRUE;

    case WM_COMMAND:
        if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
        {
            EndDialog(hDlg, LOWORD(wParam));
            return (INT_PTR)TRUE;
        }
        break;
    }
    return (INT_PTR)FALSE;
}