// workshop 3.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "workshop 3.h"
#include "commdlg.h" // we need this for the Colour chooser dialog box
#define MAX_LOADSTRING 100

// Global Variables:
HINSTANCE hInst;                                // current instance
TCHAR szTitle[MAX_LOADSTRING];                    // The title bar text
TCHAR szWindowClass[MAX_LOADSTRING];            // the main window class name

int lfHeight;
HFONT g_hfFont;
LOGFONT lf;
COLORREF rgbText = RGB(0, 0, 0); // the colour to draw the text
COLORREF rgbBackground = RGB(255, 255, 255); // the colour of the text backgrnd
// Forward declarations of functions included in this code module:
COLORREF rgbCustom[16] = {0}; // an array of 16 'custom' colours
ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK    About(HWND, UINT, WPARAM, LPARAM);

/* This is the method to display the colour chooser dialog It should show the current colour and 'remember custom colours */
void DoSelectColour(HWND hwnd) { /* CHOOSECOLOR is a struct that controls the appearance and behaviour of the ChooseColor dialog */
    CHOOSECOLOR cc = {sizeof(CHOOSECOLOR)};
    cc.Flags = CC_RGBINIT | CC_FULLOPEN | CC_ANYCOLOR;
    cc.hwndOwner = hwnd;
    cc.rgbResult = rgbText; // this shows the current colour
    cc.lpCustColors = rgbCustom; // the array of 'custom' colours
    if(ChooseColor(&cc)) // displays the dialog - returns // true on OK, false on Cancel
        {
        rgbText = cc.rgbResult;
        }
    }

void DoSelectFont(HWND hwnd) {            // put where do select colour is

CHOOSEFONT cf = {sizeof(CHOOSEFONT)};

GetObject(g_hfFont, sizeof(LOGFONT), &lf);
cf.Flags = CF_EFFECTS | CF_INITTOLOGFONTSTRUCT |
CF_SCREENFONTS;
cf.hwndOwner = hwnd;
cf.lpLogFont = &lf;
cf.rgbColors = rgbText;

if(ChooseFont(&cf)) {

HFONT hf = CreateFontIndirect(&lf);

if(hf) {

g_hfFont = hf;

}

rgbText = cf.rgbColors; }

}

int APIENTRY _tWinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPTSTR    lpCmdLine,
                     int       nCmdShow)
{
    UNREFERENCED_PARAMETER(hPrevInstance);
    UNREFERENCED_PARAMETER(lpCmdLine);

    // TODO: Place code here.
    MSG msg;
    HACCEL hAccelTable;

    // Initialize global strings
    LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
    LoadString(hInstance, IDC_WORKSHOP3, szWindowClass, MAX_LOADSTRING);
    MyRegisterClass(hInstance);

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

    hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WORKSHOP3));

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

    return (int) msg.wParam;
}



//
//  FUNCTION: MyRegisterClass()
//
//  PURPOSE: Registers the window class.
//
//  COMMENTS:
//
//    This function and its usage are only necessary if you want this code
//    to be compatible with Win32 systems prior to the 'RegisterClassEx'
//    function that was added to Windows 95. It is important to call this function
//    so that the application will get 'well formed' small icons associated
//    with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
    WNDCLASSEX 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_WORKSHOP3));
    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
    wcex.hbrBackground    = (HBRUSH)(COLOR_WINDOW+1);
    wcex.lpszMenuName    = MAKEINTRESOURCE(IDC_WORKSHOP3);
    wcex.lpszClassName    = szWindowClass;
    wcex.hIconSm        = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

    return RegisterClassEx(&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)
{
   HWND hWnd;

   hInst = hInstance; // Store instance handle in our global variable

   hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

   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
//
//
void DrawMessage(HDC hdc, RECT* prc)
    {
        SetBkColor(hdc, rgbBackground);
        SetTextColor(hdc, rgbText);
       char szMsg[] = "Hello, my name is steven jukes student number 0522403";
        prc->top = (prc->bottom - prc->top) /2;
        DrawText(hdc, szMsg, -1, prc, DT_WORDBREAK | DT_CENTER);
        SelectObject(hdc, g_hfFont);

    }

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    HFONT arf;
    HDC hdc;
    //    lfHeight = -MulDiv(12, GetDeviceCaps(hdc,
//    LOGPIXELSY), 72);
    int wmId, wmEvent;
    PAINTSTRUCT ps;
    arf = CreateFont(lfHeight,0,0,0,0,TRUE,0,0,0,0,0,0,0,"Times New Roman");
    if(g_hfFont) {
    g_hfFont = arf;
    DeleteObject(g_hfFont);
    }
    else
    { MessageBox(hWnd, "Font creation failed!",
    "Error", MB_OK | MB_ICONEXCLAMATION);
    }

    switch (message)
    {
    case WM_COMMAND:
        wmId    = LOWORD(wParam);
        wmEvent = HIWORD(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_COLOUR_RED: // Colour Menu - Red
            rgbText = RGB(255, 0, 0); // set the current colour
            InvalidateRect(hWnd, NULL, TRUE); // force a repaint
            UpdateWindow(hWnd);
            break;
        case ID_COLOUR_GREEN: // Colour Menu - Green
            rgbText = RGB(0, 255, 0);
            InvalidateRect(hWnd, NULL, TRUE);
            UpdateWindow(hWnd);
            break;
        case ID_COLOUR_BLUE: // Colour Menu - Blue
            rgbText = RGB(0, 0, 255);
            InvalidateRect(hWnd, NULL, TRUE);
            UpdateWindow(hWnd);
            break;
        case ID_COLOUR_SELECT: // Colour Menu - Select...
            DoSelectColour(hWnd); // call our method
            InvalidateRect(hWnd, NULL, TRUE); // force a repaint
            UpdateWindow(hWnd);
            break;
        
        case ID_FONT_TIMESNEWROMAN:
            InvalidateRect(hWnd, NULL, TRUE);
            UpdateWindow(hWnd);
            break;
        case ID_FONT_SELECT:
            DoSelectFont(hWnd);
            InvalidateRect(hWnd, NULL, TRUE);
            UpdateWindow(hWnd);
            break;
        default:
            return DefWindowProc(hWnd, message, wParam, lParam);
        }
        break;
    
    
    case WM_PAINT:
        hdc = BeginPaint(hWnd, &ps);


        // This is our code to call our DrawMessage method
        RECT rcClient; // the DrawText function needs a client rectangle
        GetClientRect(hWnd, &rcClient);
        DrawMessage(hdc, &rcClient);
        EndPaint(hWnd, &ps);
        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;
}