#include "InstallerMain.h"

#include "Welcome.h"

#define WMU_INIT_INSTALLER		WM_USER+1

HINSTANCE g_hInstance;

NEXT_DIALOG next_dialog = DisplayWelcome;

POINT g_GlobalPosition;

void UpdateGlobalPosition(HWND hWnd)

{

	WINDOWINFO wi;

	wi.cbSize = sizeof(WINDOWINFO);

	if (GetWindowInfo(hWnd, &wi))

	{

		g_GlobalPosition.x = wi.rcWindow.left;

		g_GlobalPosition.y = wi.rcWindow.top;

	}

}

void SetToGlobalPosition(HWND hWnd)

{

	WINDOWINFO wi;

	wi.cbSize = sizeof(WINDOWINFO);

	if (GetWindowInfo(hWnd, &wi))

	{

		MoveWindow(hWnd, 

			g_GlobalPosition.x, 

			g_GlobalPosition.y, 

			wi.rcWindow.right - wi.rcWindow.left,

			wi.rcWindow.bottom - wi.rcWindow.top,

			TRUE);

	}

}

LRESULT CALLBACK MainWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)

{

	switch (message)

	{

	case WMU_INIT_INSTALLER:

		{

			UpdateGlobalPosition(hWnd);

			while (next_dialog != NULL)

			{

				next_dialog = (NEXT_DIALOG)next_dialog(hWnd);

			}

			PostQuitMessage(0);

			break;

		}

	case WM_DESTROY:

		{

			PostQuitMessage(0);

			break;

		}

	default:

		{

			return DefWindowProc(hWnd, message, wParam, lParam);

		}

	}

	return 0;

}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)

{

	WNDCLASSEX wcex;

	BOOL bRet;

	wcex.cbSize			= sizeof(wcex);

	wcex.style			= CS_HREDRAW | CS_VREDRAW;

	wcex.lpfnWndProc	= MainWndProc;

	wcex.cbClsExtra		= 0;

	wcex.cbWndExtra		= 0;

	wcex.hInstance		= hInstance;

	wcex.hIcon			= LoadIcon(hInstance, MAKEINTRESOURCE(IDI_INSTALLER));

	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);

	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);

	wcex.lpszMenuName	= _T("InstallerMenu");

	wcex.lpszClassName	= _T("Installer");

	wcex.hIconSm		= LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

	if (!RegisterClassEx(&wcex))

	{

		return 1;

	}

	INITCOMMONCONTROLSEX ccex;

	ccex.dwSize = sizeof(ccex);

	ccex.dwICC = ICC_BAR_CLASSES

		|ICC_HOTKEY_CLASS

		|ICC_LISTVIEW_CLASSES

		|ICC_PROGRESS_CLASS

		|ICC_WIN95_CLASSES

		|ICC_TAB_CLASSES;

	if (!InitCommonControlsEx(&ccex))

	{

		return 1;

	}

	g_hInstance = hInstance;

	HWND hWnd = CreateWindow(

		_T("Installer"),

		_T("InstallerMain"),

		WS_OVERLAPPEDWINDOW,

		CW_USEDEFAULT,

		CW_USEDEFAULT,

		CW_USEDEFAULT,

		CW_USEDEFAULT,

		(HWND)NULL,

		(HMENU)NULL,

		hInstance,

		NULL);

	if (hWnd == NULL)

	{

		return 1;

	}

	ShowWindow(hWnd, SW_HIDE);

	UpdateWindow(hWnd);

	PostMessage(hWnd, WMU_INIT_INSTALLER, 0, 0);

	MSG msg;

	while ((bRet = GetMessage(&msg, NULL, 0, 0)) != 0)

	{

		if (bRet == -1)

		{

			return 1;

		}

		else

		{

			TranslateMessage(&msg);

			DispatchMessage(&msg);

		}

	}

	return (int)msg.wParam;

}