// Settings common to both executables: determines whether
// we're using TCP/IP or real DDE.
-
#include "ddesetup.h"
-#if defined(__WXGTK__) || defined(__WXMOTIF__)
+#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
#include "mondrian.xpm"
#endif
// globals
// ----------------------------------------------------------------------------
-char ipc_buffer[4000];
wxListBox *the_list = NULL;
MyConnection *the_connection = NULL;
-MyClient *my_client ;
+MyClient *my_client;
// ============================================================================
// implementation
// main frame
bool MyApp::OnInit()
{
- wxString server = "4242";
-#if wxUSE_DDE_FOR_SAMPLE
- wxString hostName = wxGetHostName();
-#else
- wxString hostName = "localhost";
-#endif
+ // service name (DDE classes) or port number (TCP/IP based classes)
+ wxString service = IPC_SERVICE;
+
+ // ignored under DDE, host name in TCP/IP based classes
+ wxString hostName = _T("localhost");
if (argc > 1)
- server = argv[1];
+ service = argv[1];
if (argc > 2)
hostName = argv[2];
// Create a new client
my_client = new MyClient;
- the_connection = (MyConnection *)my_client->MakeConnection(hostName, server, "IPC TEST");
- while ( !the_connection )
+ // suppress the log messages from MakeConnection()
{
- if ( wxMessageBox("Failed to make connection to server.\nRetry?",
- "Client Demo Error",
- wxICON_ERROR | wxYES_NO | wxCANCEL ) != wxYES )
+ wxLogNull nolog;
+ the_connection = (MyConnection *)
+ my_client->MakeConnection(hostName, service, IPC_TOPIC);
+
+ while ( !the_connection )
{
- // no server
- return FALSE;
+ if ( wxMessageBox(_T("Failed to make connection to server.\nRetry?"),
+ _T("Client Demo Error"),
+ wxICON_ERROR | wxYES_NO | wxCANCEL ) != wxYES )
+ {
+ // no server
+ return FALSE;
+ }
+
+ the_connection = (MyConnection *)my_client->MakeConnection(hostName, service, _T("IPC TEST"));
}
-
- the_connection = (MyConnection *)my_client->MakeConnection(hostName, server, "IPC TEST");
}
- if (!the_connection->StartAdvise("Item"))
- wxMessageBox("StartAdvise failed", "Client Demo Error");
+ if (!the_connection->StartAdvise(IPC_ADVISE_NAME))
+ wxMessageBox(_T("StartAdvise failed"), _T("Client Demo Error"));
// Create the main frame window
- (new MyFrame(NULL, "Client"))->Show(TRUE);
+ (new MyFrame(NULL, _T("Client")))->Show(TRUE);
return TRUE;
}
int MyApp::OnExit()
{
- if (the_connection)
- {
- the_connection->Disconnect();
- }
-
// will delete the connection too
+ // Update: Seems it didn't delete the_connection, because there's a leak.
+ // Deletion is now explicitly done a few lines up.
+ // another Update: in fact it's because OnDisconnect should delete it, but
+ // it wasn't
delete my_client;
+
+
return 0;
}
// Define my frame constructor
MyFrame::MyFrame(wxFrame *frame, const wxString& title)
- : wxFrame(frame, -1, title)
+ : wxFrame(frame, -1, title, wxDefaultPosition, wxSize(300, 200))
{
- panel = NULL;
-
// Give it an icon
SetIcon(wxICON(mondrian));
// Make a menubar
wxMenu *file_menu = new wxMenu;
- file_menu->Append(CLIENT_EXECUTE, "Execute");
- file_menu->Append(CLIENT_REQUEST, "Request");
- file_menu->Append(CLIENT_POKE, "Poke");
- file_menu->Append(CLIENT_QUIT, "Quit");
+ file_menu->Append(CLIENT_EXECUTE, _T("&Execute\tCtrl-E"));
+ file_menu->Append(CLIENT_REQUEST, _T("&Request\tCtrl-R"));
+ file_menu->Append(CLIENT_POKE, _T("&Poke\tCtrl-P"));
+ file_menu->Append(CLIENT_QUIT, _T("&Quit\tCtrl-Q"));
wxMenuBar *menu_bar = new wxMenuBar;
- menu_bar->Append(file_menu, "File");
+ menu_bar->Append(file_menu, _T("&File"));
// Associate the menu bar with the frame
SetMenuBar(menu_bar);
- // Make a panel
- panel = new wxPanel(this);
- the_list = new wxListBox(panel, CLIENT_LISTBOX, wxPoint(5, 5));
- the_list->Append("Apple");
- the_list->Append("Pear");
- the_list->Append("Orange");
- the_list->Append("Banana");
- the_list->Append("Fruit");
-
- panel->Fit();
- Fit();
+ // Make a listbox which shows the choices made in the server
+ the_list = new wxListBox(this, CLIENT_LISTBOX, wxPoint(5, 5));
+ the_list->Append(_T("Apple"));
+ the_list->Append(_T("Pear"));
+ the_list->Append(_T("Orange"));
+ the_list->Append(_T("Banana"));
+ the_list->Append(_T("Fruit"));
}
void MyFrame::OnExecute(wxCommandEvent& event)
{
if (the_connection)
- if (!the_connection->Execute("Hello from the client!"))
- wxMessageBox("Execute failed", "Client Demo Error");
+ if (!the_connection->Execute(_T("Hello from the client!")))
+ wxMessageBox(_T("Execute failed"), _T("Client Demo Error"));
}
void MyFrame::OnPoke(wxCommandEvent& event)
{
if (the_connection)
- if (!the_connection->Poke("An item", "Some data to poke at the server!"))
- wxMessageBox("Poke failed", "Client Demo Error");
+ if (!the_connection->Poke(_T("An item"), _T("Some data to poke at the server!")))
+ wxMessageBox(_T("Poke failed"), _T("Client Demo Error"));
}
void MyFrame::OnRequest(wxCommandEvent& event)
{
if (the_connection)
{
- char *data = the_connection->Request("An item");
+ wxChar *data = the_connection->Request(_T("An item"));
if (data)
- wxMessageBox(data, "Client: Request", wxOK);
+ wxMessageBox(data, _T("Client: Request"), wxOK);
else
- wxMessageBox("Request failed", "Client Demo Error");
+ wxMessageBox(_T("Request failed"), _T("Client Demo Error"));
}
}
return new MyConnection;
}
-MyConnection::MyConnection()
- : wxConnection(ipc_buffer, WXSIZEOF(ipc_buffer))
-{
-}
-
-MyConnection::~MyConnection()
-{
- the_connection = NULL;
-}
-
-bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format)
+bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, wxChar *data, int size, wxIPCFormat format)
{
if (the_list)
{
bool MyConnection::OnDisconnect()
{
+ // when connection is terminated, quit whole program
wxWindow *win = wxTheApp->GetTopWindow();
if ( win )
win->Destroy();
- return TRUE;
+ // delete self
+ the_connection = NULL;
+ return wxConnection::OnDisconnect();
}
projects / wxWidgets.git / blobdiff