2003-03-17 08:41:00 -05:00
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/////////////////////////////////////////////////////////////////////////////
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// Name: mfctest.cpp
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2004-05-25 07:20:37 -04:00
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// Purpose: Sample to demonstrate mixing MFC and wxWidgets code
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2003-03-17 08:41:00 -05:00
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// Author: Julian Smart
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// Id: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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1998-05-20 10:21:00 -04:00
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2004-05-25 07:20:37 -04:00
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// This sample pops up an initial wxWidgets frame, with a menu item
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1998-05-20 10:21:00 -04:00
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// that allows a new MFC window to be created. Note that CDummyWindow
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2004-05-25 07:20:37 -04:00
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// is a class that allows a wxWidgets window to be seen as a CWnd
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1998-05-20 10:21:00 -04:00
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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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2004-05-25 07:20:37 -04:00
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// initially as the main frame, and allows wxWidgets frames to be
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2002-12-17 06:18:09 -05:00
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// created subsequently.
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1998-05-20 10:21:00 -04:00
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//
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2002-12-17 06:18:09 -05:00
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// (1) Make MyApp::OnInit not create a main window.
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// (2) Make MFC's InitInstance create a main window, and remove
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1998-05-20 10:21:00 -04:00
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// creation of CDummyWindow.
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2002-12-17 06:18:09 -05:00
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//
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// This can be accomplished by setting START_WITH_MFC_WINDOW to 1 below.
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#define START_WITH_MFC_WINDOW 0
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1998-05-20 10:21:00 -04:00
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//
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// IMPORTANT NOTES:
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//
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// (1) You need to set wxUSE_MFC to 1 in include/wx/msw/setup.h, which switches
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// off some debugging features and also removes the windows.h inclusion
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// in wxprec.h (MFC headers don't like this to have been included previously).
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2002-12-17 06:18:09 -05:00
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// Set to 'Use MFC in a shared DLL' or add _AFXDLL to preprocessor settings.
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// Then recompile wxWidgets and this sample.
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2000-03-10 06:18:22 -05:00
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//
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2002-12-17 06:18:09 -05:00
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// (2) I can't get the sample to link and run using a static MFC library, only the DLL
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2000-03-10 06:18:22 -05:00
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// version. Perhaps someone else is a wizard at working out the required settings
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// in the wxWin library and the sample; then debugging the assert problem may be
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// easier.
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2000-07-15 15:51:35 -04:00
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//
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// (3) Compiling wxWidgets in DLL mode currently includes windows.h, so you must only
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// try linking wxWidgets statically.
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1998-05-20 10:21:00 -04:00
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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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#include "wx/wx.h"
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2004-06-04 11:33:33 -04:00
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#if !wxUSE_MFC
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2004-04-29 15:19:57 -04:00
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#error "Sorry, you need to edit include/wx/msw/setup.h, set wxUSE_MFC to 1, and recompile the library."
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1999-02-05 10:06:25 -05:00
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#endif
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1998-05-20 10:21:00 -04:00
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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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/////////////////////////////////////////////////////////////////////////////
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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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// wxWidgets elements
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1998-05-20 10:21:00 -04:00
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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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1998-05-20 10:21:00 -04:00
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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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1998-05-20 10:21:00 -04:00
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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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1998-05-20 10:21:00 -04:00
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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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// 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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2002-03-17 09:16:03 -05:00
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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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1998-05-20 10:21:00 -04:00
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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 wxWidgets message box.\nWe're about to create a new wxWidgets frame.", "wxWidgets", 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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1998-05-20 10:21:00 -04:00
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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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SetDialogBkColor(); // hook gray dialogs (was default in MFC V1)
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1998-05-20 10:21:00 -04:00
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wxEntry((WXHINSTANCE) m_hInstance, (WXHINSTANCE) m_hPrevInstance, m_lpCmdLine, m_nCmdShow, FALSE);
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2002-12-17 06:18:09 -05:00
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#if START_WITH_MFC_WINDOW
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// Demonstrate creation of an initial MFC main window.
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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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2002-12-17 06:18:09 -05:00
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#else
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// Demonstrate creation of an initial wxWidgets main window.
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// Wrap wxWidgets window in a dummy MFC window and
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// make the main window.
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1998-05-20 10:21:00 -04:00
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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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2002-12-17 06:18:09 -05:00
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#endif
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2002-03-17 09:16:03 -05:00
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return TRUE;
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1998-05-20 10:21:00 -04:00
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}
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int CTheApp::ExitInstance()
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{
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2002-12-17 06:18:09 -05:00
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// OnExit isn't called by CleanUp so must be called explicitly.
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wxTheApp->OnExit();
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wxApp::CleanUp();
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return CWinApp::ExitInstance();
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1998-05-20 10:21:00 -04:00
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}
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2004-05-25 07:20:37 -04:00
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// Override this to provide wxWidgets message loop
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1998-05-20 10:21:00 -04:00
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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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1998-05-20 10:21:00 -04:00
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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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* wxWidgets elements
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********************************************************************/
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1998-05-20 10:21:00 -04:00
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bool MyApp::OnInit(void)
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{
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2002-12-17 06:18:09 -05:00
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#if !START_WITH_MFC_WINDOW
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// Exit app when the top level frame is deleted
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SetExitOnFrameDelete(TRUE);
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(void) CreateFrame();
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#endif
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return TRUE;
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1998-05-20 10:21:00 -04:00
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}
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wxFrame *MyApp::CreateFrame(void)
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{
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2002-12-17 06:18:09 -05:00
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MyChild *subframe = new MyChild(NULL, "Canvas Frame", wxPoint(10, 10), wxSize(300, 300),
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wxDEFAULT_FRAME_STYLE);
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subframe->SetTitle("wxWidgets 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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canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
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subframe->canvas = canvas;
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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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1998-05-20 10:21:00 -04:00
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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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1998-05-20 10:21:00 -04:00
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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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2002-12-17 06:18:09 -05:00
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1999-02-04 17:06:15 -05:00
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dc.SetFont(* wxSWISS_FONT);
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1999-02-04 16:12:30 -05:00
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dc.SetPen(* wxGREEN_PEN);
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1998-05-20 10:21:00 -04:00
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dc.DrawLine(0, 0, 200, 200);
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dc.DrawLine(200, 0, 0, 200);
|
2002-12-17 06:18:09 -05:00
|
|
|
|
1999-02-04 16:12:30 -05:00
|
|
|
dc.SetBrush(* wxCYAN_BRUSH);
|
|
|
|
dc.SetPen(* wxRED_PEN);
|
1998-05-20 10:21:00 -04:00
|
|
|
dc.DrawRectangle(100, 100, 100, 50);
|
|
|
|
dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
|
2002-12-17 06:18:09 -05:00
|
|
|
|
1998-05-20 10:21:00 -04:00
|
|
|
dc.DrawEllipse(250, 250, 100, 50);
|
|
|
|
dc.DrawSpline(50, 200, 50, 100, 200, 10);
|
|
|
|
dc.DrawLine(50, 230, 200, 230);
|
|
|
|
dc.DrawText("This is a test string", 50, 230);
|
|
|
|
}
|
|
|
|
|
|
|
|
// This implements a tiny doodling program! Drag the mouse using
|
|
|
|
// the left button.
|
|
|
|
void MyCanvas::OnMouseEvent(wxMouseEvent& event)
|
|
|
|
{
|
|
|
|
wxClientDC dc(this);
|
1999-02-04 16:12:30 -05:00
|
|
|
dc.SetPen(* wxBLACK_PEN);
|
2000-03-10 06:18:22 -05:00
|
|
|
wxPoint pos = event.GetPosition();
|
1998-05-20 10:21:00 -04:00
|
|
|
if (xpos > -1 && ypos > -1 && event.Dragging())
|
|
|
|
{
|
2000-03-10 06:18:22 -05:00
|
|
|
dc.DrawLine(xpos, ypos, pos.x, pos.y);
|
1998-05-20 10:21:00 -04:00
|
|
|
}
|
2000-03-10 06:18:22 -05:00
|
|
|
xpos = pos.x;
|
|
|
|
ypos = pos.y;
|
1998-05-20 10:21:00 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
BEGIN_EVENT_TABLE(MyChild, wxFrame)
|
|
|
|
EVT_MENU(HELLO_QUIT, MyChild::OnQuit)
|
|
|
|
EVT_MENU(HELLO_NEW, MyChild::OnNew)
|
|
|
|
EVT_ACTIVATE(MyChild::OnActivate)
|
|
|
|
END_EVENT_TABLE()
|
|
|
|
|
|
|
|
MyChild::MyChild(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size, const long style):
|
2002-12-17 06:18:09 -05:00
|
|
|
wxFrame(frame, -1, title, pos, size, style)
|
1998-05-20 10:21:00 -04:00
|
|
|
{
|
2002-12-17 06:18:09 -05:00
|
|
|
canvas = NULL;
|
1998-05-20 10:21:00 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
MyChild::~MyChild(void)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
void MyChild::OnQuit(wxCommandEvent& event)
|
|
|
|
{
|
|
|
|
Close(TRUE);
|
|
|
|
}
|
|
|
|
|
|
|
|
void MyChild::OnNew(wxCommandEvent& event)
|
|
|
|
{
|
|
|
|
CMainWindow *mainWin = new CMainWindow();
|
|
|
|
mainWin->ShowWindow( TRUE );
|
|
|
|
mainWin->UpdateWindow();
|
|
|
|
}
|
2002-12-17 06:18:09 -05:00
|
|
|
|
1998-05-20 10:21:00 -04:00
|
|
|
void MyChild::OnActivate(wxActivateEvent& event)
|
|
|
|
{
|
2002-12-17 06:18:09 -05:00
|
|
|
if (event.GetActive() && canvas)
|
|
|
|
canvas->SetFocus();
|
1998-05-20 10:21:00 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
// Dummy MFC window for specifying a valid main window to MFC, using
|
2004-05-25 07:20:37 -04:00
|
|
|
// a wxWidgets HWND.
|
1998-05-20 10:21:00 -04:00
|
|
|
CDummyWindow::CDummyWindow(HWND hWnd):CWnd()
|
|
|
|
{
|
2002-12-17 06:18:09 -05:00
|
|
|
Attach(hWnd);
|
1998-05-20 10:21:00 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
// Don't let the CWnd destructor delete the HWND
|
|
|
|
CDummyWindow::~CDummyWindow(void)
|
|
|
|
{
|
2002-12-17 06:18:09 -05:00
|
|
|
Detach();
|
1998-05-20 10:21:00 -04:00
|
|
|
}
|
|
|
|
|