wxWidgets/samples/oleauto/oleauto.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: oleauto.cpp
// Purpose: OLE Automation wxWidgets sample
// Author: Julian Smart
// Modified by:
// Created: 08/12/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWidgets headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include <wx/msw/ole/automtn.h>
#ifndef __WXMSW__
#error "Sorry, this sample works under Windows only."
#endif
// ----------------------------------------------------------------------------
// ressources
// ----------------------------------------------------------------------------
// the application icon
#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__)
#include "mondrian.xpm"
#endif
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// override base class virtuals
// ----------------------------
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit();
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnTest(wxCommandEvent& event);
private:
// any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
OleAuto_Quit = 1,
OleAuto_About,
OleAuto_Test,
// controls start here (the numbers are, of course, arbitrary)
OleAuto_Text = 1000,
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
// the event tables connect the wxWidgets events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(OleAuto_Quit, MyFrame::OnQuit)
EVT_MENU(OleAuto_About, MyFrame::OnAbout)
EVT_MENU(OleAuto_Test, MyFrame::OnTest)
END_EVENT_TABLE()
// Create a new application object: this macro will allow wxWidgets to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
// Create the main application window
MyFrame *frame = new MyFrame(_T("OleAuto wxWidgets App"),
wxPoint(50, 50), wxSize(450, 340));
// Show it and tell the application that it's our main window
// @@@ what does it do exactly, in fact? is it necessary here?
frame->Show(true);
SetTopWindow(frame);
// success: wxApp::OnRun() will be called which will enter the main message
// loop and the application will run. If we returned false here, the
// application would exit immediately.
return true;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
{
// set the frame icon
SetIcon(wxICON(mondrian));
// create a menu bar
wxMenu *menuFile = new wxMenu;
menuFile->Append(OleAuto_Test, _T("&Test Excel Automation..."));
menuFile->Append(OleAuto_About, _T("&About..."));
menuFile->AppendSeparator();
menuFile->Append(OleAuto_Quit, _T("E&xit"));
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(menuFile, _T("&File"));
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(2);
SetStatusText(_T("Welcome to wxWidgets!"));
#endif // wxUSE_STATUSBAR
}
// event handlers
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
Close(true);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox(_T("This is an OLE Automation sample"),
_T("About OleAuto"), wxOK | wxICON_INFORMATION, this);
}
/* Tests OLE automation by making the active Excel cell bold,
* and changing the text.
*/
void MyFrame::OnTest(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox(_T("Please ensure Excel is running, then press OK.\nThe active cell should then say 'wxWidgets automation test!' in bold."));
wxAutomationObject excelObject, rangeObject;
if (!excelObject.GetInstance(_T("Excel.Application")))
{
if (!excelObject.CreateInstance(_T("Excel.Application")))
{
wxMessageBox(_T("Could not create Excel object."));
return;
}
}
if (!excelObject.PutProperty(_T("ActiveCell.Value"), _T("wxWidgets automation test!")))
{
wxMessageBox(_T("Could not set active cell value."));
return;
}
if (!excelObject.PutProperty(_T("ActiveCell.Font.Bold"), wxVariant(true)) )
{
wxMessageBox(_T("Could not put Bold property to active cell."));
return;
}
}