// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
-#include "wx/wx.h"
+ #include "wx/wx.h"
#endif
// 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
#include "client.h"
-MyFrame *frame = NULL;
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
IMPLEMENT_APP(MyApp)
-char ipc_buffer[4000];
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU(CLIENT_QUIT, MyFrame::OnExit)
+ EVT_MENU(CLIENT_EXECUTE, MyFrame::OnExecute)
+ EVT_MENU(CLIENT_POKE, MyFrame::OnPoke)
+ EVT_MENU(CLIENT_REQUEST, MyFrame::OnRequest)
+END_EVENT_TABLE()
+
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
+
wxListBox *the_list = NULL;
MyConnection *the_connection = NULL;
-MyClient *my_client ;
+MyClient *my_client;
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// MyApp
+// ----------------------------------------------------------------------------
// The `main program' equivalent, creating the windows and returning the
// main frame
bool MyApp::OnInit()
{
- // Create the main frame window
- frame = new MyFrame(NULL, "Client", wxPoint(400, 0), wxSize(400, 300));
-
- // Give it an icon
- frame->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");
-
- wxMenuBar *menu_bar = new wxMenuBar;
-
- menu_bar->Append(file_menu, "File");
-
- // Associate the menu bar with the frame
- frame->SetMenuBar(menu_bar);
-
- // Make a panel
- frame->panel = new wxPanel(frame, -1, wxPoint(0, 0), wxSize(400, 250));
- the_list = new wxListBox(frame->panel, CLIENT_LISTBOX, wxPoint(5, 5), wxSize(150, 120));
- the_list->Append("Apple");
- the_list->Append("Pear");
- the_list->Append("Orange");
- the_list->Append("Banana");
- the_list->Append("Fruit");
-
- frame->panel->Fit();
- frame->Fit();
-
- wxString server = "4242";
-
-#if wxUSE_DDE_FOR_SAMPLE
- wxString hostName = wxGetHostName();
-#else
- wxString hostName = "localhost";
-#endif
-
- if (argc > 1)
- server = 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");
-
- if (!the_connection)
- {
- wxMessageBox("Failed to make connection to server", "Client Demo Error");
-#ifdef __WXMSW__
-// extern void wxPrintDDEError();
-// wxPrintDDEError();
-#endif
- return FALSE;
- }
- if (!the_connection->StartAdvise("Item"))
- wxMessageBox("StartAdvise failed", "Client Demo Error");
-
- frame->Show(TRUE);
-
- return TRUE;
+ // 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)
+ service = argv[1];
+ if (argc > 2)
+ hostName = argv[2];
+
+ // Create a new client
+ my_client = new MyClient;
+
+ // suppress the log messages from MakeConnection()
+ {
+ wxLogNull nolog;
+ the_connection = (MyConnection *)
+ my_client->MakeConnection(hostName, service, IPC_TOPIC);
+
+ while ( !the_connection )
+ {
+ 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"));
+ }
+ }
+
+ if (!the_connection->StartAdvise(IPC_ADVISE_NAME))
+ wxMessageBox(_T("StartAdvise failed"), _T("Client Demo Error"));
+
+ // Create the main frame window
+ (new MyFrame(NULL, _T("Client")))->Show(true);
+
+ return true;
}
int MyApp::OnExit()
{
- if (my_client)
- delete my_client ;
+ // 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;
}
-BEGIN_EVENT_TABLE(MyFrame, wxFrame)
- EVT_MENU(CLIENT_QUIT, MyFrame::OnExit)
- EVT_MENU(CLIENT_EXECUTE, MyFrame::OnExecute)
- EVT_MENU(CLIENT_POKE, MyFrame::OnPoke)
- EVT_MENU(CLIENT_REQUEST, MyFrame::OnRequest)
- EVT_CLOSE(MyFrame::OnCloseWindow)
-END_EVENT_TABLE()
-
// Define my frame constructor
-MyFrame::MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size):
- wxFrame(frame, -1, title, pos, size)
+MyFrame::MyFrame(wxFrame *frame, const wxString& title)
+ : wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(300, 200))
{
- panel = NULL;
-}
+ // Give it an icon
+ SetIcon(wxICON(mondrian));
-void MyFrame::OnExecute(wxCommandEvent& event)
-{
- if (the_connection)
- if (!the_connection->Execute("Hello from the client!"))
- wxMessageBox("Execute failed", "Client Demo Error");
-}
+ // Make a menubar
+ wxMenu *file_menu = new wxMenu;
-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");
-}
+ 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"));
-void MyFrame::OnRequest(wxCommandEvent& event)
-{
- if (the_connection)
- {
- char *data = the_connection->Request("An item");
- if (data)
- wxMessageBox(data, "Client: Request", wxOK);
- else
- wxMessageBox("Request failed", "Client Demo Error");
- }
-}
+ wxMenuBar *menu_bar = new wxMenuBar;
-void MyFrame::OnExit(wxCommandEvent& event)
-{
- if (the_connection)
- the_connection->Disconnect();
+ menu_bar->Append(file_menu, _T("&File"));
+
+ // Associate the menu bar with the frame
+ SetMenuBar(menu_bar);
- this->Destroy();
+ // 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"));
}
-// Define the behaviour for the frame closing
-void MyFrame::OnCloseWindow(wxCloseEvent& event)
+void MyFrame::OnExecute(wxCommandEvent& WXUNUSED(event))
{
- if (the_connection)
- {
- the_connection->Disconnect();
- }
- this->Destroy();
+ if (the_connection)
+ if (!the_connection->Execute(_T("Hello from the client!")))
+ wxMessageBox(_T("Execute failed"), _T("Client Demo Error"));
}
-MyClient::MyClient(void)
+void MyFrame::OnPoke(wxCommandEvent& WXUNUSED(event))
{
+ if (the_connection)
+ if (!the_connection->Poke(_T("An item"), _T("Some data to poke at the server!")))
+ wxMessageBox(_T("Poke failed"), _T("Client Demo Error"));
}
-wxConnectionBase *MyClient::OnMakeConnection(void)
+void MyFrame::OnRequest(wxCommandEvent& WXUNUSED(event))
{
- return new MyConnection;
+ if (the_connection)
+ {
+ wxChar *data = the_connection->Request(_T("An item"));
+ if (data)
+ wxMessageBox(data, _T("Client: Request"), wxOK);
+ else
+ wxMessageBox(_T("Request failed"), _T("Client Demo Error"));
+ }
}
-MyConnection::MyConnection(void):wxConnection(ipc_buffer, 3999)
+void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
{
+ Close();
}
-MyConnection::~MyConnection(void)
+wxConnectionBase *MyClient::OnMakeConnection()
{
- the_connection = NULL;
+ return new MyConnection;
}
-bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format)
+bool MyConnection::OnAdvise(const wxString& WXUNUSED(topic), const wxString& WXUNUSED(item), wxChar *data, int WXUNUSED(size), wxIPCFormat WXUNUSED(format))
{
- if (the_list)
- {
- int n = the_list->FindString(data);
- if (n > -1)
- the_list->SetSelection(n);
- }
- return TRUE;
+ if (the_list)
+ {
+ int n = the_list->FindString(data);
+ if (n > wxNOT_FOUND)
+ the_list->SetSelection(n);
+ }
+ return true;
}
bool MyConnection::OnDisconnect()
{
- frame->Destroy();
+ // when connection is terminated, quit whole program
+ wxWindow *win = wxTheApp->GetTopWindow();
+ if ( win )
+ win->Destroy();
+ // delete self
the_connection = NULL;
- delete this;
-
- return TRUE;
+ return wxConnection::OnDisconnect();
}
projects / wxWidgets.git / blobdiff