// 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
#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)
+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
+// ----------------------------------------------------------------------------
+
char ipc_buffer[4000];
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));
+ // 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 = "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("Failed to make connection to server.\nRetry?",
+ "Client Demo Error",
+ wxICON_ERROR | wxYES_NO | wxCANCEL ) != wxYES )
+ {
+ // no server
+ return FALSE;
+ }
+
+ the_connection = (MyConnection *)my_client->MakeConnection(hostName, service, "IPC TEST");
+ }
+ }
+
+ if (!the_connection->StartAdvise(IPC_ADVISE_NAME))
+ wxMessageBox("StartAdvise failed", "Client Demo Error");
+
+ // Create the main frame window
+ (new MyFrame(NULL, "Client"))->Show(TRUE);
- // Give it an icon
- frame->SetIcon(wxICON(mondrian));
+ return TRUE;
+}
- // Make a menubar
- wxMenu *file_menu = new wxMenu;
+int MyApp::OnExit()
+{
+ if (the_connection)
+ {
+ the_connection->Disconnect();
+ delete the_connection;
+ the_connection = NULL;
+ }
- file_menu->Append(CLIENT_EXECUTE, "Execute");
- file_menu->Append(CLIENT_REQUEST, "Request");
- file_menu->Append(CLIENT_POKE, "Poke");
- file_menu->Append(CLIENT_QUIT, "Quit");
+ // 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.
+ delete my_client;
- wxMenuBar *menu_bar = new wxMenuBar;
- menu_bar->Append(file_menu, "File");
- // Associate the menu bar with the frame
- frame->SetMenuBar(menu_bar);
+ return 0;
+}
- // 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");
+// Define my frame constructor
+MyFrame::MyFrame(wxFrame *frame, const wxString& title)
+ : wxFrame(frame, -1, title, wxDefaultPosition, wxSize(300, 200))
+{
+ // Give it an icon
+ SetIcon(wxICON(mondrian));
- frame->panel->Fit();
- frame->Fit();
+ // Make a menubar
+ wxMenu *file_menu = new wxMenu;
- wxString server = "4242";
+ file_menu->Append(CLIENT_EXECUTE, "&Execute\tCtrl-E");
+ file_menu->Append(CLIENT_REQUEST, "&Request\tCtrl-R");
+ file_menu->Append(CLIENT_POKE, "&Poke\tCtrl-P");
+ file_menu->Append(CLIENT_QUIT, "&Quit\tCtrl-Q");
-#if wxUSE_DDE_FOR_SAMPLE
- wxString hostName = wxGetHostName();
-#else
- wxString hostName = "localhost";
-#endif
+ wxMenuBar *menu_bar = new wxMenuBar;
- 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");
+ menu_bar->Append(file_menu, "&File");
- frame->Show(TRUE);
+ // Associate the menu bar with the frame
+ SetMenuBar(menu_bar);
- return TRUE;
-}
-
-int MyApp::OnExit()
-{
- if (my_client)
- 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)
-{
- panel = NULL;
+ // Make a listbox which shows the choices made in the server
+ the_list = new wxListBox(this, 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");
}
void MyFrame::OnExecute(wxCommandEvent& event)
{
- if (the_connection)
+ if (the_connection)
if (!the_connection->Execute("Hello from the client!"))
- wxMessageBox("Execute failed", "Client Demo Error");
+ wxMessageBox("Execute failed", "Client Demo Error");
}
void MyFrame::OnPoke(wxCommandEvent& event)
{
- if (the_connection)
+ if (the_connection)
if (!the_connection->Poke("An item", "Some data to poke at the server!"))
- wxMessageBox("Poke failed", "Client Demo Error");
+ wxMessageBox("Poke failed", "Client Demo Error");
}
void MyFrame::OnRequest(wxCommandEvent& event)
{
- if (the_connection)
- {
+ if (the_connection)
+ {
char *data = the_connection->Request("An item");
if (data)
- wxMessageBox(data, "Client: Request", wxOK);
+ wxMessageBox(data, "Client: Request", wxOK);
else
- wxMessageBox("Request failed", "Client Demo Error");
- }
+ wxMessageBox("Request failed", "Client Demo Error");
+ }
}
void MyFrame::OnExit(wxCommandEvent& event)
{
- if (the_connection)
- the_connection->Disconnect();
-
- this->Destroy();
-}
-
-// Define the behaviour for the frame closing
-void MyFrame::OnCloseWindow(wxCloseEvent& event)
-{
- if (the_connection)
- {
- the_connection->Disconnect();
- }
- this->Destroy();
-}
-
-MyClient::MyClient(void)
-{
-}
-
-wxConnectionBase *MyClient::OnMakeConnection(void)
-{
- return new MyConnection;
+ Close();
}
-MyConnection::MyConnection(void):wxConnection(ipc_buffer, 3999)
+wxConnectionBase *MyClient::OnMakeConnection()
{
+ return new MyConnection;
}
-MyConnection::~MyConnection(void)
+MyConnection::MyConnection()
+ : wxConnection(ipc_buffer, WXSIZEOF(ipc_buffer))
{
- the_connection = NULL;
}
bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat 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 > -1)
+ the_list->SetSelection(n);
+ }
+ return TRUE;
}
bool MyConnection::OnDisconnect()
{
- frame->Destroy();
-
- the_connection = NULL;
- delete this;
+ wxWindow *win = wxTheApp->GetTopWindow();
+ if ( win )
+ win->Destroy();
return TRUE;
}
projects / wxWidgets.git / blobdiff