(Win32) WM_CHAR / mouse event

LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	static WindowsMessageMap mm;
	OutputDebugString(mm(msg, lParam, wParam).c_str());

	switch (msg)
	{
	case WM_CLOSE:
		PostQuitMessage(69);
		break;
	case WM_KEYDOWN:
		if (wParam == 'F')
		{
			SetWindowText(hWnd, "Respects");
		}
		break;
	case WM_CHAR: 
	{
		static std::string title;
		title.push_back((char)wParam);
		SetWindowText(hWnd, title.c_str());
		break;
	}
	}
	return DefWindowProc(hWnd, msg, wParam, lParam);
}

#include <Windows.h>
#include "WindowsMessageMap.h"
#include <sstream>

LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	static WindowsMessageMap mm;
	OutputDebugString(mm(msg, lParam, wParam).c_str());

	switch (msg)
	{
	case WM_CLOSE:
		PostQuitMessage(69);
		break;
	case WM_KEYDOWN:
		if (wParam == 'F')
		{
			SetWindowText(hWnd, "Respects");
		}
		break;
	case WM_CHAR: 
	{
		static std::string title;
		title.push_back((char)wParam);
		SetWindowText(hWnd, title.c_str());
		break;
	}
	case WM_LBUTTONDOWN:
	{
		const POINTS pt = MAKEPOINTS(lParam);
		std::ostringstream oss;
		oss << "(" << pt.x << "," << pt.y << ")";
		SetWindowText(hWnd, oss.str().c_str());
		break;
	}
	}
	return DefWindowProc(hWnd, msg, wParam, lParam);
}