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// Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
// SPDX-License-Identifier: BSD-3-Clause
// QtMfc.cpp : Defines the class behaviors for the application.
//
#include "stdafx.h"
#include "qtmfc.h"
#include "mainframe.h"
#include <string>
#include <sstream>
#include <qmfcapp.h>
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// WindowsApp
BEGIN_MESSAGE_MAP(WindowsApp, CWinApp)
//{{AFX_MSG_MAP(WindowsApp)
ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// WindowsApp construction
WindowsApp::WindowsApp()
{
}
/////////////////////////////////////////////////////////////////////////////
// The one and only WindowsApp object
WindowsApp theApp;
/////////////////////////////////////////////////////////////////////////////
// WindowsApp initialization
BOOL WindowsApp::InitInstance()
{
// Standard initialization
#if _MFC_VER < 0x0700
#ifdef _AFXDLL
Enable3dControls(); // Call this when using MFC in a shared DLL
#else
Enable3dControlsStatic(); // Call this when linking to MFC statically
#endif
#endif
// Change the registry key under which our settings are stored.
SetRegistryKey(_T("Local AppWizard-Generated Applications"));
MainFrame* pFrame = new MainFrame;
m_pMainWnd = pFrame;
// create and load the frame with its resources
pFrame->LoadFrame(IDR_MAINFRAME,
WS_OVERLAPPEDWINDOW | FWS_ADDTOTITLE, NULL,
NULL);
pFrame->ShowWindow(SW_SHOW);
pFrame->UpdateWindow();
return TRUE;
}
BOOL WindowsApp::Run()
{
return QMfcApp::run( this );
}
/////////////////////////////////////////////////////////////////////////////
// WindowsApp message handlers
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
// No message handlers
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
static inline void formatWindowsErrorMessage(DWORD errorCode, std::wostream &str)
{
wchar_t *string = 0;
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL, errorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPWSTR)&string, 0, NULL);
if (string)
str << string;
else
str << "Unknown error";
LocalFree((HLOCAL)string);
}
static bool showQtAboutDialog(HWND parentWindow, std::wstring *errorMessage)
{
typedef BOOL(*pShowDialog)(HWND parent);
const char dllName[] = "qtdialog.dll";
const char functionName[] = "showDialog";
const HMODULE module = LoadLibraryA(dllName);
const DWORD errorCode = GetLastError();
if (!module) {
std::wostringstream str;
str << "Unable to load '" << dllName << "': Error #" << errorCode << ": ";
formatWindowsErrorMessage(errorCode, str);
*errorMessage = str.str();
return false;
}
pShowDialog showDialog = (pShowDialog)GetProcAddress(module, functionName);
if (!showDialog) {
std::wostringstream str;
str << "Unable to resolve function '" << functionName << "' in '"
<< dllName << "'.";
*errorMessage = str.str();
return false;
}
showDialog(parentWindow);
FreeLibrary(module);
return true;
}
// App command to run the dialog
void WindowsApp::OnAppAbout()
{
const HWND parentWindow = theApp.m_pMainWnd->m_hWnd;
std::wstring errorMessage;
if (!showQtAboutDialog(parentWindow, &errorMessage)) {
MessageBoxW(parentWindow, errorMessage.c_str(), L"QtMfc 1.0 MFC Application",
MB_OK | MB_ICONWARNING);
}
}
/////////////////////////////////////////////////////////////////////////////
// WindowsApp message handlers
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