samples/oleauto/oleauto.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        oleauto.cpp
   3 // Purpose:     OLE Automation wxWindows 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 #ifdef __GNUG__
  20     #pragma implementation "oleauto.cpp"
  21     #pragma interface "oleauto.cpp"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx/wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 // for all others, include the necessary headers (this file is usually all you
  32 // need because it includes almost all "standard" wxWindows headers
  33 #ifndef WX_PRECOMP
  34     #include "wx/wx.h"
  35 #endif
  36
  37 #include <wx/msw/ole/automtn.h>
  38
  39 #ifndef __WXMSW__
  40 #error "Sorry, this sample works under Windows only."
  41 #endif
  42
  43 // ----------------------------------------------------------------------------
  44 // ressources
  45 // ----------------------------------------------------------------------------
  46 // the application icon
  47 #if defined(__WXGTK__) || defined(__WXMOTIF__)
  48     #include "mondrian.xpm"
  49 #endif
  50
  51 // ----------------------------------------------------------------------------
  52 // private classes
  53 // ----------------------------------------------------------------------------
  54
  55 // Define a new application type, each program should derive a class from wxApp
  56 class MyApp : public wxApp
  57 {
  58 public:
  59     // override base class virtuals
  60     // ----------------------------
  61
  62     // this one is called on application startup and is a good place for the app
  63     // initialization (doing it here and not in the ctor allows to have an error
  64     // return: if OnInit() returns false, the application terminates)
  65     virtual bool OnInit();
  66 };
  67
  68 // Define a new frame type: this is going to be our main frame
  69 class MyFrame : public wxFrame
  70 {
  71 public:
  72     // ctor(s)
  73     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  74
  75     // event handlers (these functions should _not_ be virtual)
  76     void OnQuit(wxCommandEvent& event);
  77     void OnAbout(wxCommandEvent& event);
  78     void OnTest(wxCommandEvent& event);
  79
  80 private:
  81     // any class wishing to process wxWindows events must use this macro
  82     DECLARE_EVENT_TABLE()
  83 };
  84
  85 // ----------------------------------------------------------------------------
  86 // constants
  87 // ----------------------------------------------------------------------------
  88
  89 // IDs for the controls and the menu commands
  90 enum
  91 {
  92     // menu items
  93     OleAuto_Quit = 1,
  94     OleAuto_About,
  95     OleAuto_Test,
  96
  97     // controls start here (the numbers are, of course, arbitrary)
  98     OleAuto_Text = 1000,
  99 };
 100
 101 // ----------------------------------------------------------------------------
 102 // event tables and other macros for wxWindows
 103 // ----------------------------------------------------------------------------
 104
 105 // the event tables connect the wxWindows events with the functions (event
 106 // handlers) which process them. It can be also done at run-time, but for the
 107 // simple menu events like this the static method is much simpler.
 108 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 109     EVT_MENU(OleAuto_Quit,  MyFrame::OnQuit)
 110     EVT_MENU(OleAuto_About, MyFrame::OnAbout)
 111     EVT_MENU(OleAuto_Test, MyFrame::OnTest)
 112 END_EVENT_TABLE()
 113
 114 // Create a new application object: this macro will allow wxWindows to create
 115 // the application object during program execution (it's better than using a
 116 // static object for many reasons) and also declares the accessor function
 117 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 118 // not wxApp)
 119 IMPLEMENT_APP(MyApp)
 120
 121 // ============================================================================
 122 // implementation
 123 // ============================================================================
 124
 125 // ----------------------------------------------------------------------------
 126 // the application class
 127 // ----------------------------------------------------------------------------
 128
 129 // `Main program' equivalent: the program execution "starts" here
 130 bool MyApp::OnInit()
 131 {
 132     // Create the main application window
 133     MyFrame *frame = new MyFrame("OleAuto wxWindows App",
 134                                  wxPoint(50, 50), wxSize(450, 340));
 135
 136     // Show it and tell the application that it's our main window
 137     // @@@ what does it do exactly, in fact? is it necessary here?
 138     frame->Show(TRUE);
 139     SetTopWindow(frame);
 140
 141     // success: wxApp::OnRun() will be called which will enter the main message
 142     // loop and the application will run. If we returned FALSE here, the
 143     // application would exit immediately.
 144     return TRUE;
 145 }
 146
 147 // ----------------------------------------------------------------------------
 148 // main frame
 149 // ----------------------------------------------------------------------------
 150
 151 // frame constructor
 152 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 153        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 154 {
 155     // set the frame icon
 156     SetIcon(wxICON(mondrian));
 157
 158     // create a menu bar
 159     wxMenu *menuFile = new wxMenu;
 160
 161     menuFile->Append(OleAuto_Test, "&Test Excel Automation...");
 162     menuFile->Append(OleAuto_About, "&About...");
 163     menuFile->AppendSeparator();
 164     menuFile->Append(OleAuto_Quit, "E&xit");
 165
 166     // now append the freshly created menu to the menu bar...
 167     wxMenuBar *menuBar = new wxMenuBar;
 168     menuBar->Append(menuFile, "&File");
 169
 170     // ... and attach this menu bar to the frame
 171     SetMenuBar(menuBar);
 172
 173     // create a status bar just for fun (by default with 1 pane only)
 174     CreateStatusBar(2);
 175     SetStatusText("Welcome to wxWindows!");
 176 }
 177
 178
 179 // event handlers
 180
 181 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 182 {
 183     // TRUE is to force the frame to close
 184     Close(TRUE);
 185 }
 186
 187 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 188 {
 189     wxMessageBox("This is an OLE Automation sample",
 190                  "About OleAuto", wxOK | wxICON_INFORMATION, this);
 191 }
 192
 193 /* Tests OLE automation by making the active Excel cell bold,
 194  * and changing the text.
 195  */
 196 void MyFrame::OnTest(wxCommandEvent& WXUNUSED(event))
 197 {
 198     wxMessageBox("Please ensure Excel is running, then press OK.\nThe active cell should then say 'wxWindows automation test!' in bold.");
 199
 200         wxAutomationObject excelObject, rangeObject;
 201         if (!excelObject.GetInstance("Excel.Application"))
 202         {
 203         if (!excelObject.CreateInstance("Excel.Application"))
 204         {
 205                     wxMessageBox("Could not create Excel object.");
 206                     return;
 207         }
 208         }
 209         if (!excelObject.PutProperty("ActiveCell.Value", "wxWindows automation test!"))
 210         {
 211                 wxMessageBox("Could not set active cell value.");
 212                 return;
 213         }
 214         if (!excelObject.PutProperty("ActiveCell.Font.Bold", (bool) TRUE))
 215         {
 216                 wxMessageBox("Could not put Bold property to active cell.");
 217                 return;
 218         }
 219 }
 220