Fixes to allow compilation with no wchar_t (djgpp probably has a real wchar_t
[wxWidgets.git] / 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