now MSW stuff is complete
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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Karsten Ballüder
408
samples/mfc/mfctest.cpp
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408
samples/mfc/mfctest.cpp
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// hello.cpp : Defines the class behaviors for the application.
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// Hello is a simple program which consists of a main window
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// and an "About" dialog which can be invoked by a menu choice.
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// It is intended to serve as a starting-point for new
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// applications.
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//
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// This is a part of the Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Microsoft Foundation Classes Reference and Microsoft
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// WinHelp documentation provided with the library.
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// See these sources for detailed information regarding the
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// Microsoft Foundation Classes product.
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// *** MODIFIED BY JULIAN SMART TO DEMONSTRATE CO-EXISTANCE WITH wxWINDOWS ***
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//
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// This sample pops up an initial wxWindows frame, with a menu item
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// that allows a new MFC window to be created. Note that CDummyWindow
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// is a class that allows a wxWindows window to be seen as a CWnd
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// for the purposes of specifying a valid main window to the
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// MFC initialisation.
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//
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// You can easily modify this code so that an MFC window pops up
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// initially as the main frame, and allows wxWindows frames to be
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// created subsequently:
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//
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// (1) Make MyApp::OnInit return NULL, not create a window.
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// (2) Restore the MFC code to create a window in InitInstance, and remove
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// creation of CDummyWindow.
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//
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// IMPORTANT NOTE: to compile this sample, you must first edit
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// wx/src/msw/wx_main.cc, set NOWINMAIN to 1, and remake wxWindows
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// (it only needs to recompile wx_main.cc).
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// This eliminates the duplicate WinMain function which MFC implements.
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#ifdef new
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#undef new
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#endif
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#include "stdafx.h"
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#ifdef DrawText
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#undef DrawText
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#endif
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#include "resource.h"
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#include "mfctest.h"
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#include "wx/wx.h"
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/////////////////////////////////////////////////////////////////////////////
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// theApp:
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// Just creating this application object runs the whole application.
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//
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CTheApp theApp;
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// wxWindows elements
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// Define a new application type
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class MyApp: public wxApp
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{ public:
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bool OnInit(void);
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wxFrame *CreateFrame(void);
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};
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DECLARE_APP(MyApp)
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class MyCanvas: public wxScrolledWindow
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{
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public:
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MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size);
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void OnPaint(wxPaintEvent& event);
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void OnMouseEvent(wxMouseEvent& event);
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DECLARE_EVENT_TABLE()
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};
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class MyChild: public wxFrame
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{
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public:
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MyCanvas *canvas;
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MyChild(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size, const long style);
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~MyChild(void);
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Bool OnClose(void);
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void OnQuit(wxCommandEvent& event);
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void OnNew(wxCommandEvent& event);
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void OnActivate(wxActivateEvent& event);
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DECLARE_EVENT_TABLE()
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};
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// For drawing lines in a canvas
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long xpos = -1;
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long ypos = -1;
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// Initialise this in OnInit, not statically
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wxPen *red_pen;
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wxFont *small_font;
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// ID for the menu quit command
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#define HELLO_QUIT 1
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#define HELLO_NEW 2
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DECLARE_APP(MyApp)
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IMPLEMENT_APP(MyApp)
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/////////////////////////////////////////////////////////////////////////////
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// CMainWindow constructor:
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// Create the window with the appropriate style, size, menu, etc.
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//
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CMainWindow::CMainWindow()
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{
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LoadAccelTable( "MainAccelTable" );
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Create( NULL, "Hello Foundation Application",
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WS_OVERLAPPEDWINDOW, rectDefault, NULL, "MainMenu" );
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}
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// OnPaint:
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// This routine draws the string "Hello, Windows!" in the center of the
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// client area. It is called whenever Windows sends a WM_PAINT message.
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// Note that creating a CPaintDC automatically does a BeginPaint and
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// an EndPaint call is done when it is destroyed at the end of this
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// function. CPaintDC's constructor needs the window (this).
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//
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void CMainWindow::OnPaint()
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{
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CString s = "Hello, Windows!";
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CPaintDC dc( this );
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CRect rect;
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GetClientRect( rect );
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dc.SetTextAlign( TA_BASELINE | TA_CENTER );
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dc.SetTextColor( ::GetSysColor( COLOR_WINDOWTEXT ) );
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dc.SetBkMode(TRANSPARENT);
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dc.TextOut( ( rect.right / 2 ), ( rect.bottom / 2 ),
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s, s.GetLength() );
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}
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// OnAbout:
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// This member function is called when a WM_COMMAND message with an
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// IDM_ABOUT code is received by the CMainWindow class object. The
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// message map below is responsible for this routing.
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//
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// We create a ClDialog object using the "AboutBox" resource (see
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// hello.rc), and invoke it.
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//
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void CMainWindow::OnAbout()
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{
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CDialog about( "AboutBox", this );
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about.DoModal();
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}
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void CMainWindow::OnTest()
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{
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wxMessageBox("This is a wxWindows message box.\nWe're about to create a new wxWindows frame.", "wxWindows", wxOK);
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wxGetApp().CreateFrame();
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}
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// CMainWindow message map:
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// Associate messages with member functions.
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//
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// It is implied that the ON_WM_PAINT macro expects a member function
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// "void OnPaint()".
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//
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// It is implied that members connected with the ON_COMMAND macro
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// receive no arguments and are void of return type, e.g., "void OnAbout()".
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//
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BEGIN_MESSAGE_MAP( CMainWindow, CFrameWnd )
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//{{AFX_MSG_MAP( CMainWindow )
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ON_WM_PAINT()
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ON_COMMAND( IDM_ABOUT, OnAbout )
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ON_COMMAND( IDM_TEST, OnTest )
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CTheApp
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// InitInstance:
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// When any CTheApp object is created, this member function is automatically
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// called. Any data may be set up at this point.
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//
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// Also, the main window of the application should be created and shown here.
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// Return TRUE if the initialization is successful.
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//
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BOOL CTheApp::InitInstance()
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{
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TRACE( "HELLO WORLD\n" );
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SetDialogBkColor(); // hook gray dialogs (was default in MFC V1)
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wxEntry((WXHINSTANCE) m_hInstance, (WXHINSTANCE) m_hPrevInstance, m_lpCmdLine, m_nCmdShow, FALSE);
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/*
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m_pMainWnd = new CMainWindow();
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m_pMainWnd->ShowWindow( m_nCmdShow );
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m_pMainWnd->UpdateWindow();
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*/
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if (wxTheApp && wxTheApp->GetTopWindow())
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{
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m_pMainWnd = new CDummyWindow((HWND) wxTheApp->GetTopWindow()->GetHWND());
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}
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return TRUE;
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}
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int CTheApp::ExitInstance()
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{
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wxApp::CleanUp();
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return CWinApp::ExitInstance();
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}
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// Override this to provide wxWindows message loop
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// compatibility
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BOOL CTheApp::PreTranslateMessage(MSG *msg)
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{
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if (wxTheApp && wxTheApp->ProcessMessage((WXMSG*) msg))
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return TRUE;
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else
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return CWinApp::PreTranslateMessage(msg);
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}
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BOOL CTheApp::OnIdle(LONG lCount)
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{
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if (wxTheApp)
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return wxTheApp->ProcessIdle();
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else
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return FALSE;
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}
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/*********************************************************************
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* wxWindows elements
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********************************************************************/
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bool MyApp::OnInit(void)
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{
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// Don't exit app when the top level frame is deleted
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// SetExitOnFrameDelete(FALSE);
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// Create a red pen
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red_pen = new wxPen("RED", 3, wxSOLID);
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// Create a small font
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small_font = new wxFont(10, wxSWISS, wxNORMAL, wxNORMAL);
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wxFrame* frame = CreateFrame();
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return TRUE;
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}
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wxFrame *MyApp::CreateFrame(void)
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{
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MyChild *subframe = new MyChild(NULL, "Canvas Frame", wxPoint(10, 10), wxSize(300, 300),
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wxDEFAULT_FRAME);
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subframe->SetTitle("wxWindows canvas frame");
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// Give it a status line
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subframe->CreateStatusBar();
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// Make a menubar
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wxMenu *file_menu = new wxMenu;
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file_menu->Append(HELLO_NEW, "&New MFC Window");
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file_menu->Append(HELLO_QUIT, "&Close");
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wxMenuBar *menu_bar = new wxMenuBar;
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menu_bar->Append(file_menu, "&File");
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// Associate the menu bar with the frame
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subframe->SetMenuBar(menu_bar);
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int width, height;
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subframe->GetClientSize(&width, &height);
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MyCanvas *canvas = new MyCanvas(subframe, wxPoint(0, 0), wxSize(width, height));
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wxCursor *cursor = new wxCursor(wxCURSOR_PENCIL);
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canvas->SetCursor(cursor);
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subframe->canvas = canvas;
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// Give it scrollbars
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// canvas->SetScrollbars(20, 20, 50, 50, 4, 4);
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subframe->Show(TRUE);
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// Return the main frame window
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return subframe;
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}
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BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
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EVT_PAINT(MyCanvas::OnPaint)
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EVT_MOUSE_EVENTS(MyCanvas::OnMouseEvent)
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END_EVENT_TABLE()
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// Define a constructor for my canvas
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MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size):
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wxScrolledWindow(parent, -1, pos, size)
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{
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}
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// Define the repainting behaviour
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void MyCanvas::OnPaint(wxPaintEvent& event)
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{
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wxPaintDC dc(this);
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dc.SetFont(small_font);
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dc.SetPen(wxGREEN_PEN);
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dc.DrawLine(0, 0, 200, 200);
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dc.DrawLine(200, 0, 0, 200);
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dc.SetBrush(wxCYAN_BRUSH);
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dc.SetPen(wxRED_PEN);
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dc.DrawRectangle(100, 100, 100, 50);
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dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
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dc.DrawEllipse(250, 250, 100, 50);
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dc.DrawSpline(50, 200, 50, 100, 200, 10);
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dc.DrawLine(50, 230, 200, 230);
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dc.DrawText("This is a test string", 50, 230);
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}
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// This implements a tiny doodling program! Drag the mouse using
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// the left button.
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void MyCanvas::OnMouseEvent(wxMouseEvent& event)
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{
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wxClientDC dc(this);
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dc.SetPen(wxBLACK_PEN);
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long x, y;
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event.Position(&x, &y);
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if (xpos > -1 && ypos > -1 && event.Dragging())
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{
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dc.DrawLine(xpos, ypos, x, y);
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}
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xpos = x;
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ypos = y;
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}
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BEGIN_EVENT_TABLE(MyChild, wxFrame)
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EVT_MENU(HELLO_QUIT, MyChild::OnQuit)
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EVT_MENU(HELLO_NEW, MyChild::OnNew)
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EVT_ACTIVATE(MyChild::OnActivate)
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END_EVENT_TABLE()
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MyChild::MyChild(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size, const long style):
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wxFrame(frame, -1, title, pos, size, style)
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{
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canvas = NULL;
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}
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MyChild::~MyChild(void)
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{
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}
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void MyChild::OnQuit(wxCommandEvent& event)
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{
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Close(TRUE);
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}
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void MyChild::OnNew(wxCommandEvent& event)
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{
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CMainWindow *mainWin = new CMainWindow();
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mainWin->ShowWindow( TRUE );
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mainWin->UpdateWindow();
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}
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void MyChild::OnActivate(wxActivateEvent& event)
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{
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if (event.GetActive() && canvas)
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canvas->SetFocus();
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}
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Bool MyChild::OnClose(void)
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{
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return TRUE;
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}
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// Dummy MFC window for specifying a valid main window to MFC, using
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// a wxWindows HWND.
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CDummyWindow::CDummyWindow(HWND hWnd):CWnd()
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{
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Attach(hWnd);
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}
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// Don't let the CWnd destructor delete the HWND
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CDummyWindow::~CDummyWindow(void)
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{
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Detach();
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}
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