WinApi - zabawa z tworzeniem wrappera

case WM_CREATE: OnCreate(); break;
case WM_DESTROY: OnDestroy(); break;

typedef long (* tyMessageHandler)(Window &, HWND, long, long);
typedef std::map<long, tyMessageHandler> tyMessageMap;
typedef tyMessageMap::iterator tyMessageIterator;

    tyMessageIterator it;
    it = GetMessageHandler(message);
    if(it != NULL)
      return (it->second)((*wnd), hwnd, wparam, lparam);

tyMessageHandler handler = tyMessageMap[message];
if (handler != nullptr)
    handler(...);

tyMessageHandler CMessages::GetMessageHandler(long message)
{
	tyMessageHandler msgH = g_maps[message];

	return msgH != nullptr ? msgH : nullptr;
}

g_maps[message] = handler;

#pragma once
class WinAPI_Window
{
private:
	static WinAPI_Messages* g_waMsg;
public:
	WinAPI_Window(HINSTANCE hInst, LPCWSTR lpClassName, int nCmdShow);
	~WinAPI_Window();
};

#include "stdafx.h"
#include "WinAPI_Messages.h"
#include "WinAPI_Window.h"

WinAPI_Window::WinAPI_Window(HINSTANCE hInst, LPCWSTR lpClassName, int nCmdShow)
{
	g_waMsg = new WinAPI_Messages();
}

1>------ Rebuild All started: Project: A, Configuration: Debug Win32 ------
1>  stdafx.cpp
1>  main.cpp
1>  DirectX9.cpp
1>  Generating Code...
1>AifamFramework.lib(WinAPI_Window.obj) : error LNK2001: unresolved external symbol "private: static class WinAPI_Messages * WinAPI_Window::g_waMsg" (?g_waMsg@WinAPI_Window@@0PAVWinAPI_Messages@@A)
1>c:\users\theaifam5\documents\visual studio 2013\Projects\A\Debug\A.exe : fatal error LNK1120: 1 unresolved externals
========== Rebuild All: 0 succeeded, 1 failed, 0 skipped ==========

Build Summary
-------------
00:02.367 - Failed  - Debug Win32 - A\A.vcxproj

Total build time: 00:02.367

========== Rebuild All: 0 succeeded or up-to-date, 1 failed, 1 skipped, Completed at 9/4/2014 8:41:17 PM ==========

1>------ Rebuild All started: Project: AifamFramework, Configuration: Debug Win32 ------
1>  stdafx.cpp
1>  WinAPI_Window.cpp
1>  WinAPI_Messages.cpp
1>  Generating Code...
1>  AifamFramework.vcxproj -> c:\users\theaifam5\documents\visual studio 2013\Projects\A\Debug\AifamFramework.lib
========== Rebuild All: 1 succeeded, 0 failed, 0 skipped ==========

Build Summary
-------------
00:01.554 - Success - Debug Win32 - AifamFramework\AifamFramework.vcxproj

Total build time: 00:01.554

========== Rebuild All: 1 succeeded or up-to-date, 0 failed, 1 skipped, Completed at 9/4/2014 8:48:47 PM ==========

WinAPI_Messages* WinAPI_Window::g_waMsg = 0; 

LRESULT CALLBACK WinAPI_Window::WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	tyMessageHandler tMsgHand = WinAPI_Window::g_waMsg->GetMessageHandler(msg);
[...]
}

class CWindow
{
private:
    CWndRect m_Rect;

    HWND m_hWnd;

protected:
    bool m_bIsInitialized;

public:
    CWindow();
    virtual ~CWindow();

    virtual CWndRect GetRect();
    virtual void SetRect(CWndRect Rect, bool bResizeWindow);

    virtual HWND GetHwnd();
    virtual void SetHwnd(HWND hWnd);

    virtual void ShowWindow();
    virtual void HideWindow();

    virtual bool IsVisible();

    virtual bool CreateClass() = 0;

    virtual bool CreateControls() = 0;

    virtual LRESULT WindowProcess(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) = 0;

    virtual void Destroy() = 0;

    virtual bool IsInitialized();

};

class CAboutWindow : public CWindow
{
private:
    CStatic * m_pStaticYearLicense;
    CStatic * m_pStaticCopyright;
    CStatic * m_pStaticCompilationDate;
    CStatic * m_pStaticTitle;

    CButton * m_pButtonClose;

public:
    CAboutWindow();
    ~CAboutWindow();

    bool CreateClass();

    bool CreateControls();

    LRESULT WindowProcess(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

    bool InitWindow();

    void Destroy();

    void ProcessControls(ECtrlId Id, EAction Action);

    void OnClose();

};

LRESULT __stdcall tAboutWindowProcess(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

bool CAboutWindow::CreateClass()
{
    WNDCLASSEX wc;
    wc.cbSize = sizeof(WNDCLASSEX);
    wc.style = 0;
    wc.lpfnWndProc = tAboutWindowProcess;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = CCtrl::GetSingleton()->GetModuleInstance();
    wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = (HBRUSH)(COLOR_3DFACE + 1);
    wc.lpszMenuName = NULL;
    wc.lpszClassName = "win32_about_window";
    wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
    if(!::RegisterClassEx(&wc))
        return false;

    return true;
}

LRESULT __stdcall tAboutWindowProcess(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    return CCtrl::GetSingleton()->GetAboutWindow()->WindowProcess(hWnd, uMsg, wParam, lParam);
}

bool CAboutWindow::CreateControls()
{
    m_pStaticYearLicense = new CStatic();
    if(!m_pStaticYearLicense)
        return false;
    m_pStaticYearLicense->Init(this, "blabla", Static, CWndRect(15, 158, 90, 13), NULL, CCtrl::GetSingleton()->GetFontById(0));
..
}

void CButton::Init(CWindow * pParentWnd, StringT & sName, ECtrlId eId, CWndRect & Dimension, DWORD dwAdditionalFlags, HFONT hFont)
{
    HWND hWnd;

    hWnd = ::CreateWindowEx(
        0,
        WC_BUTTON,
        sName.C_Str(),
        WS_VISIBLE | WS_CHILD | dwAdditionalFlags,
        0, 0,
        0, 0,
        pParentWnd->GetHwnd(),
        (HMENU)eId,
        CCtrl::GetSingleton()->GetModuleInstance(),
        NULL);
    if(!hWnd)
        return;

    SendMessage(hWnd, WM_SETFONT, (WPARAM)hFont, FALSE);

    this->SetHwnd(hWnd);

    this->SetRect(Dimension, true, true);

    this->ShowControl();
}

LRESULT CALLBACK Utils::MsgRouter(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
		CBaseWindow *This = 0;

		if (uMsg == WM_NCCREATE){
			SetWindowLong(hWnd, GWL_USERDATA, long((LPCREATESTRUCT(lParam))->lpCreateParams));
		}

		This = (CBaseWindow *)GetWindowLong(hWnd, GWL_USERDATA);

		if (This){
			return This->WndProc(hWnd, uMsg, wParam, lParam);

		}
}

int CBaseWindow::Destroy()
{
	while (GetMessage(&GetMSG(), NULL, 0, 0))
	{
		TranslateMessage(&GetMSG());
		DispatchMessage(&GetMSG());
	}

	return (int)GetMSG().wParam;
}

bool CMainWindow::Initialize(const std::wstring& text)
{
	WNDCLASSEX wcex;

	wcex.cbSize = sizeof(WNDCLASSEX);

	wcex.style = CS_HREDRAW | CS_VREDRAW;
	wcex.lpfnWndProc = Utils::MsgRouter;
	wcex.cbClsExtra = 0;
	wcex.cbWndExtra = 0;
	wcex.hInstance = GetInstance();
	wcex.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground = (HBRUSH)RGB(0, 0, 0);
	wcex.lpszMenuName = NULL;
	wcex.lpszClassName = GetWindowClassName();
	wcex.hIconSm = LoadIcon(NULL, IDI_APPLICATION);

	if (FAILED(RegisterClassEx(&wcex)))
		return false;

	this->g_szWindowTitle = text.c_str();

	g_hWnd = CreateWindowEx(
		WS_EX_CLIENTEDGE,
		GetWindowClassName(),
		GetWindowTitle(),
		WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		CW_USEDEFAULT,
		CW_USEDEFAULT, 
		NULL,
		NULL,
		GetInstance(),
		this);

	if (!g_hWnd)
	{
		if (g_hWnd == INVALID_HANDLE_VALUE){
			MessageBox(NULL, L"CreateWindowEx failed!", L"Error", MB_OK | MB_ICONERROR);
		}

		MessageBox(NULL, L"CreateWindowEx failed!\nGetLastError" + (int)GetLastError(), L"Error", MB_OK | MB_ICONERROR);
		return false;
	}

	ShowWindow(g_hWnd, SW_NORMAL);
	UpdateWindow(g_hWnd);

	return true;
}

LRESULT CALLBACK CMainWindow::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	switch (uMsg)
	{
	case WM_DESTROY: //Po umieszczeniu tutaj MessageBoxa i nacisniecia X w programie nie wywala go
                MessageBox(NULL, L"", L"", NULL);
		DestroyWindow(hWnd);
		break;
	default: //Po umieszczeniu tutaj MessageBoxa wywala tak czesto jak by go diabel opetal
		MessageBox(NULL, L"" + uMsg, L"", NULL);//Wywala dziwaczne znaki a takze i tekst
		return DefWindowProc(hWnd, uMsg, wParam, lParam);
		break;
	}
}

HINSTANCE CBaseWindow::GetInstance()
{
	return (HINSTANCE)GetModuleHandle(NULL);
}

'A.exe' (Win32): Loaded 'C:\Users\TheAifam5\Documents\Visual Studio 2013\Projects\A\Debug\A.exe'. Symbols loaded.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ntdll.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\kernel32.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\KernelBase.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\user32.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Program Files (x86)\Visual Leak Detector\bin\Win32\vld_x86.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcp120d.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcr120d.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\gdi32.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\advapi32.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Program Files (x86)\Visual Leak Detector\bin\Win32\dbghelp.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcrt.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sechost.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\rpcrt4.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sspicli.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\cryptbase.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\bcryptprimitives.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\imm32.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msctf.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\nvinit.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Program Files (x86)\NVIDIA Corporation\coprocmanager\detoured.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Program Files (x86)\NVIDIA Corporation\coprocmanager\Nvd3d9wrap.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\setupapi.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\cfgmgr32.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Program Files (x86)\NVIDIA Corporation\coprocmanager\nvdxgiwrap.dll'. Cannot find or open the PDB file.
Visual Leak Detector Version 2.4RC2 installed.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\uxtheme.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\combase.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\dwmapi.dll'. Cannot find or open the PDB file.
CreateWindowEx failed!teWindowEx failed!'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ole32.dll'. Cannot find or open the PDB file.
'A.exe' (Win32): Loaded 'C:\Windows\SysWOW64\kernel.appcore.dll'. Cannot find or open the PDB file.
rorndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!ndowEx failed!teWindowEx failed!The program '[8188] A.exe' has exited with code 0 (0x0).

LRESULT CALLBACK CMainWindow::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	OutputDebugString(L"" + uMsg);
	switch (uMsg)
	{
	case WM_CLOSE:
		DestroyWindow(hWnd);
		break;
	default:
		return DefWindowProc(hWnd, uMsg, wParam, lParam);
		break;
	}
}

    if (!g_hWnd)
    {
        if (g_hWnd == INVALID_HANDLE_VALUE){

L"CreateWindowEx failed!\nGetLastError" + (int)GetLastError()

this->g_szWindowTitle = text.c_str();

#include "stdafx.h"
#include "Utils.h"
#include "CMainWindow.h"

int APIENTRY WinMain(_In_ HINSTANCE hInstance,
					 _In_opt_ HINSTANCE hPrevInstance,
					 _In_ LPSTR    lpCmdLine,
					 _In_ int       nCmdShow)
{
	srand((unsigned int)(time(NULL)));

	//UNREFERENCED_PARAMETER(hPrevInstance);
	//UNREFERENCED_PARAMETER(lpCmdLine);

	

	CMainWindow main;
	if (!main.Initialize(L"Test"))
		return 1;
		
	main.Show();

	return main.Destroy();
}

std::wstring* GetWindowClassName();

int CBaseWindow::Destroy()
{
	while (GetMessage(&GetMSG(), NULL, NULL,NULL))
	{
		TranslateMessage(&GetMSG());
		DispatchMessage(&GetMSG());
	}

	return (int)GetMSG().wParam;
}

MSG msg;
	while GetMessage(msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}

LPWSTR buff = L"";
::GetWindowText(g_hWnd,buff,::GetWindowTextLength(g_hWnd));
return std::wstring(buff);

while (GetMessage(&g_msg, NULL, 0, 0))
	{
		TranslateMessage(&g_msg);
		DispatchMessage(&g_msg);
	}

LPWSTR buff[256]; // musi być rozmiar tablicy!
::GetWindowText(g_hWnd,buff,ARRAYSIZE(buff)); // i tu podajemy rozmiar tej tablicy
return std::wstring(buff);