samples/oleauto/oleauto.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        oleauto.cpp
   3 // Purpose:     OLE Automation wxWidgets sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     08/12/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx/wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 // for all others, include the necessary headers (this file is usually all you
  28 // need because it includes almost all "standard" wxWidgets headers
  29 #ifndef WX_PRECOMP
  30     #include "wx/wx.h"
  31 #endif
  32
  33 #include <wx/msw/ole/automtn.h>
  34
  35 #ifndef __WXMSW__
  36 #error "Sorry, this sample works under Windows only."
  37 #endif
  38
  39 // ----------------------------------------------------------------------------
  40 // ressources
  41 // ----------------------------------------------------------------------------
  42 // the application icon
  43 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__)
  44     #include "mondrian.xpm"
  45 #endif
  46
  47 // ----------------------------------------------------------------------------
  48 // private classes
  49 // ----------------------------------------------------------------------------
  50
  51 // Define a new application type, each program should derive a class from wxApp
  52 class MyApp : public wxApp
  53 {
  54 public:
  55     // override base class virtuals
  56     // ----------------------------
  57
  58     // this one is called on application startup and is a good place for the app
  59     // initialization (doing it here and not in the ctor allows to have an error
  60     // return: if OnInit() returns false, the application terminates)
  61     virtual bool OnInit();
  62 };
  63
  64 // Define a new frame type: this is going to be our main frame
  65 class MyFrame : public wxFrame
  66 {
  67 public:
  68     // ctor(s)
  69     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  70
  71     // event handlers (these functions should _not_ be virtual)
  72     void OnQuit(wxCommandEvent& event);
  73     void OnAbout(wxCommandEvent& event);
  74     void OnTest(wxCommandEvent& event);
  75
  76 private:
  77     // any class wishing to process wxWidgets events must use this macro
  78     DECLARE_EVENT_TABLE()
  79 };
  80
  81 // ----------------------------------------------------------------------------
  82 // constants
  83 // ----------------------------------------------------------------------------
  84
  85 // IDs for the controls and the menu commands
  86 enum
  87 {
  88     // menu items
  89     OleAuto_Quit = 1,
  90     OleAuto_About,
  91     OleAuto_Test,
  92
  93     // controls start here (the numbers are, of course, arbitrary)
  94     OleAuto_Text = 1000,
  95 };
  96
  97 // ----------------------------------------------------------------------------
  98 // event tables and other macros for wxWidgets
  99 // ----------------------------------------------------------------------------
 100
 101 // the event tables connect the wxWidgets events with the functions (event
 102 // handlers) which process them. It can be also done at run-time, but for the
 103 // simple menu events like this the static method is much simpler.
 104 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 105     EVT_MENU(OleAuto_Quit,  MyFrame::OnQuit)
 106     EVT_MENU(OleAuto_About, MyFrame::OnAbout)
 107     EVT_MENU(OleAuto_Test, MyFrame::OnTest)
 108 END_EVENT_TABLE()
 109
 110 // Create a new application object: this macro will allow wxWidgets to create
 111 // the application object during program execution (it's better than using a
 112 // static object for many reasons) and also declares the accessor function
 113 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 114 // not wxApp)
 115 IMPLEMENT_APP(MyApp)
 116
 117 // ============================================================================
 118 // implementation
 119 // ============================================================================
 120
 121 // ----------------------------------------------------------------------------
 122 // the application class
 123 // ----------------------------------------------------------------------------
 124
 125 // `Main program' equivalent: the program execution "starts" here
 126 bool MyApp::OnInit()
 127 {
 128     // Create the main application window
 129     MyFrame *frame = new MyFrame(_T("OleAuto wxWidgets App"),
 130                                  wxPoint(50, 50), wxSize(450, 340));
 131
 132     // Show it and tell the application that it's our main window
 133     // @@@ what does it do exactly, in fact? is it necessary here?
 134     frame->Show(true);
 135     SetTopWindow(frame);
 136
 137     // success: wxApp::OnRun() will be called which will enter the main message
 138     // loop and the application will run. If we returned false here, the
 139     // application would exit immediately.
 140     return true;
 141 }
 142
 143 // ----------------------------------------------------------------------------
 144 // main frame
 145 // ----------------------------------------------------------------------------
 146
 147 // frame constructor
 148 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 149        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
 150 {
 151     // set the frame icon
 152     SetIcon(wxICON(mondrian));
 153
 154     // create a menu bar
 155     wxMenu *menuFile = new wxMenu;
 156
 157     menuFile->Append(OleAuto_Test, _T("&Test Excel Automation..."));
 158     menuFile->Append(OleAuto_About, _T("&About..."));
 159     menuFile->AppendSeparator();
 160     menuFile->Append(OleAuto_Quit, _T("E&xit"));
 161
 162     // now append the freshly created menu to the menu bar...
 163     wxMenuBar *menuBar = new wxMenuBar;
 164     menuBar->Append(menuFile, _T("&File"));
 165
 166     // ... and attach this menu bar to the frame
 167     SetMenuBar(menuBar);
 168
 169 #if wxUSE_STATUSBAR
 170     // create a status bar just for fun (by default with 1 pane only)
 171     CreateStatusBar(2);
 172     SetStatusText(_T("Welcome to wxWidgets!"));
 173 #endif // wxUSE_STATUSBAR
 174 }
 175
 176
 177 // event handlers
 178
 179 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 180 {
 181     // true is to force the frame to close
 182     Close(true);
 183 }
 184
 185 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 186 {
 187     wxMessageBox(_T("This is an OLE Automation sample"),
 188                  _T("About OleAuto"), wxOK | wxICON_INFORMATION, this);
 189 }
 190
 191 /* Tests OLE automation by making the active Excel cell bold,
 192  * and changing the text.
 193  */
 194 void MyFrame::OnTest(wxCommandEvent& WXUNUSED(event))
 195 {
 196     wxMessageBox(_T("Please ensure Excel is running, then press OK.\nThe active cell should then say 'wxWidgets automation test!' in bold."));
 197
 198     wxAutomationObject excelObject, rangeObject;
 199     if (!excelObject.GetInstance(_T("Excel.Application")))
 200     {
 201         if (!excelObject.CreateInstance(_T("Excel.Application")))
 202         {
 203             wxMessageBox(_T("Could not create Excel object."));
 204             return;
 205         }
 206     }
 207     if (!excelObject.PutProperty(_T("ActiveCell.Value"), _T("wxWidgets automation test!")))
 208     {
 209         wxMessageBox(_T("Could not set active cell value."));
 210         return;
 211     }
 212     if (!excelObject.PutProperty(_T("ActiveCell.Font.Bold"), wxVariant(true)) )
 213     {
 214         wxMessageBox(_T("Could not put Bold property to active cell."));
 215         return;
 216     }
 217 }
 218