// 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 "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 ;
+// ============================================================================
+// 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");
+ wxString server = "4242";
+#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];
- menu_bar->Append(file_menu, "File");
+ // Create a new client
+ my_client = new MyClient;
+ the_connection = (MyConnection *)my_client->MakeConnection(hostName, server, "IPC TEST");
- // Associate the menu bar with the frame
- frame->SetMenuBar(menu_bar);
+ 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;
+ }
- // 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");
+ the_connection = (MyConnection *)my_client->MakeConnection(hostName, server, "IPC TEST");
+ }
- frame->panel->Fit();
- frame->Fit();
+ if (!the_connection->StartAdvise("Item"))
+ wxMessageBox("StartAdvise failed", "Client Demo Error");
- wxString server = "4242";
+ // Create the main frame window
+ (new MyFrame(NULL, "Client"))->Show(TRUE);
-#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;
+ return TRUE;
}
int MyApp::OnExit()
{
- if (my_client)
- delete my_client ;
+ if (the_connection)
+ {
+ the_connection->Disconnect();
+ }
+
+ // will delete the connection too
+ 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, -1, title)
{
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");
+
+ wxMenuBar *menu_bar = new wxMenuBar;
+
+ menu_bar->Append(file_menu, "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();
}
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();
+ Close();
}
-// Define the behaviour for the frame closing
-void MyFrame::OnCloseWindow(wxCloseEvent& event)
+wxConnectionBase *MyClient::OnMakeConnection()
{
- if (the_connection)
- {
- the_connection->Disconnect();
- }
- this->Destroy();
+ return new MyConnection;
}
-MyClient::MyClient(void)
+MyConnection::MyConnection()
+ : wxConnection(ipc_buffer, WXSIZEOF(ipc_buffer))
{
}
-wxConnectionBase *MyClient::OnMakeConnection(void)
+MyConnection::~MyConnection()
{
- return new MyConnection;
-}
-
-MyConnection::MyConnection(void):wxConnection(ipc_buffer, 3999)
-{
-}
-
-MyConnection::~MyConnection(void)
-{
- the_connection = NULL;
+ 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;
}
// Define a new application
class MyApp: public wxApp
{
- public:
- bool OnInit();
- int OnExit();
+public:
+ virtual bool OnInit();
+ virtual int OnExit();
};
// Define a new frame
class MyFrame: public wxFrame
{
- public:
- wxPanel *panel;
+public:
+ MyFrame(wxFrame *frame, const wxString& title);
- MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size);
- void OnCloseWindow(wxCloseEvent& event);
void OnExit(wxCommandEvent& event);
void OnExecute(wxCommandEvent& event);
void OnPoke(wxCommandEvent& event);
void OnRequest(wxCommandEvent& event);
-DECLARE_EVENT_TABLE()
+
+private:
+ wxPanel *panel;
+
+ DECLARE_EVENT_TABLE()
};
class MyConnection: public wxConnection
{
- public:
- MyConnection();
- ~MyConnection();
- bool OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format);
- bool OnDisconnect();
+public:
+ MyConnection();
+ ~MyConnection();
+
+ bool OnAdvise(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format);
+ bool OnDisconnect();
};
class MyClient: public wxClient
{
- public:
- MyClient();
- wxConnectionBase *OnMakeConnection();
+public:
+ wxConnectionBase *OnMakeConnection();
};
#define CLIENT_QUIT wxID_EXIT
/////////////////////////////////////////////////////////////////////////////
// Name: server.cpp
-// Purpose: DDE sample: server
+// Purpose: IPC sample: server
// Author: Julian Smart
// Modified by:
// Created: 25/01/99
// 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__)
-#include "mondrian.xpm"
+ #include "mondrian.xpm"
#endif
#include "server.h"
-MyFrame *frame = NULL;
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
IMPLEMENT_APP(MyApp)
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_LISTBOX(SERVER_LISTBOX, MyFrame::OnListBoxClick)
+END_EVENT_TABLE()
+
+BEGIN_EVENT_TABLE(IPCDialogBox, wxDialog)
+ EVT_BUTTON(SERVER_QUIT_BUTTON, IPCDialogBox::OnQuit)
+END_EVENT_TABLE()
+
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
char ipc_buffer[4000];
MyConnection *the_connection = NULL;
-MyServer *my_server ;
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// MyApp
+// ----------------------------------------------------------------------------
bool MyApp::OnInit()
{
- // Create the main frame window
- frame = new MyFrame(NULL, "Server", wxDefaultPosition, wxSize(400, 500));
+ // Create the main frame window
+ (new MyFrame(NULL, "Server"))->Show();
- frame->CreateStatusBar();
+ // create the server object
+ wxString server_name = "4242";
+ if (argc > 1)
+ server_name = argv[1];
- // Give it an icon
- frame->SetIcon(wxICON(mondrian));
+ // Create a new server
+ m_server = new MyServer;
+ m_server->Create(server_name);
- // Make a menubar
- wxMenu *file_menu = new wxMenu;
+ return TRUE;
+}
- file_menu->Append(SERVER_QUIT, "&Exit");
+int MyApp::OnExit()
+{
+ delete m_server;
+
+ return 0;
+}
- wxMenuBar *menu_bar = new wxMenuBar;
+// ----------------------------------------------------------------------------
+// MyFrame
+// ----------------------------------------------------------------------------
- menu_bar->Append(file_menu, "&File");
+// Define my frame constructor
+MyFrame::MyFrame(wxFrame *frame, const wxString& title)
+ : wxFrame(frame, -1, title)
+{
+ panel = NULL;
- // Associate the menu bar with the frame
- frame->SetMenuBar(menu_bar);
+ CreateStatusBar();
- // Make a panel
- frame->panel = new wxPanel(frame, 0, 0, 400, 250);
- wxListBox *list = new wxListBox(frame->panel, SERVER_LISTBOX,
- wxPoint(5, 5), wxSize(150, 120));
- list->Append("Apple");
- list->Append("Pear");
- list->Append("Orange");
- list->Append("Banana");
- list->Append("Fruit");
+ // Give it an icon
+ SetIcon(wxICON(mondrian));
- frame->panel->Fit();
- frame->Fit();
+ // Make a menubar
+ wxMenu *file_menu = new wxMenu;
- wxString server_name = "4242";
- if (argc > 1)
- server_name = argv[1];
+ file_menu->Append(SERVER_QUIT, "&Exit");
- // Create a new server
- my_server = new MyServer;
- my_server->Create(server_name);
- frame->Show(TRUE);
+ wxMenuBar *menu_bar = new wxMenuBar;
- return TRUE;
-}
+ menu_bar->Append(file_menu, "&File");
-BEGIN_EVENT_TABLE(MyFrame, wxFrame)
- EVT_MENU(SERVER_QUIT, MyFrame::OnExit)
- EVT_CLOSE(MyFrame::OnCloseWindow)
- EVT_LISTBOX(SERVER_LISTBOX, MyFrame::OnListBoxClick)
-END_EVENT_TABLE()
+ // Associate the menu bar with the frame
+ SetMenuBar(menu_bar);
-// 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 panel
+ panel = new wxPanel(this);
+ wxListBox *list = new wxListBox(panel, SERVER_LISTBOX, wxPoint(5, 5));
+ list->Append("Apple");
+ list->Append("Pear");
+ list->Append("Orange");
+ list->Append("Banana");
+ list->Append("Fruit");
-void MyFrame::OnExit(wxCommandEvent& event)
-{
- if (my_server)
- delete my_server;
- this->Destroy();
+ panel->Fit();
+ Fit();
}
// Set the client process's listbox to this item
wxString value = listBox->GetStringSelection();
if (the_connection)
{
- the_connection->Advise("Item", (char*) (const char*) value);
+ the_connection->Advise("Item", (wxChar *)value.c_str());
}
}
}
-void MyFrame::OnCloseWindow(wxCloseEvent& event)
-{
- if (my_server)
- delete my_server;
- this->Destroy();
-}
-
-BEGIN_EVENT_TABLE(IPCDialogBox, wxDialog)
- EVT_BUTTON(SERVER_QUIT_BUTTON, IPCDialogBox::OnQuit)
-END_EVENT_TABLE()
+// ----------------------------------------------------------------------------
+// IPCDialogBox
+// ----------------------------------------------------------------------------
-IPCDialogBox::IPCDialogBox(wxFrame *parent, const wxString& title,
- const wxPoint& pos, const wxSize& size, MyConnection *the_connection):
- wxDialog(parent, -1, title, pos, size)
+IPCDialogBox::IPCDialogBox(wxWindow *parent, const wxString& title,
+ const wxPoint& pos, const wxSize& size,
+ MyConnection *connection)
+ : wxDialog(parent, -1, title, pos, size)
{
- connection = the_connection;
- (void)new wxButton(this, SERVER_QUIT_BUTTON, "Quit this connection", wxPoint(5, 5));
- Fit();
+ m_connection = connection;
+ (void)new wxButton(this, SERVER_QUIT_BUTTON, "Quit this connection",
+ wxPoint(5, 5));
+ Fit();
}
void IPCDialogBox::OnQuit(wxCommandEvent& event)
{
- connection->Disconnect();
- delete connection;
+ m_connection->Disconnect();
+ delete m_connection;
}
+// ----------------------------------------------------------------------------
+// MyServer
+// ----------------------------------------------------------------------------
+
wxConnectionBase *MyServer::OnAcceptConnection(const wxString& topic)
{
- if (strcmp(topic, "STDIO") != 0 && strcmp(topic, "IPC TEST") == 0)
- return new MyConnection(ipc_buffer, 4000);
- else
- return NULL;
+ if (strcmp(topic, "STDIO") != 0 && strcmp(topic, "IPC TEST") == 0)
+ return new MyConnection(ipc_buffer, WXSIZEOF(ipc_buffer));
+ else
+ return NULL;
}
-MyConnection::MyConnection(char *buf, int size):wxConnection(buf, size)
+// ----------------------------------------------------------------------------
+// MyConnection
+// ----------------------------------------------------------------------------
+
+MyConnection::MyConnection(char *buf, int size)
+ : wxConnection(buf, size)
{
- dialog = new IPCDialogBox(frame, "Connection", wxPoint(100, 100), wxSize(500, 500), this);
- dialog->Show(TRUE);
- the_connection = this;
+ dialog = new IPCDialogBox(wxTheApp->GetTopWindow(), "Connection",
+ wxPoint(100, 100), wxSize(500, 500), this);
+ dialog->Show(TRUE);
+ the_connection = this;
}
-MyConnection::~MyConnection(void)
+MyConnection::~MyConnection()
{
- if (the_connection)
- {
- dialog->Destroy();
- the_connection = NULL;
- }
+ if (the_connection)
+ {
+ dialog->Destroy();
+ the_connection = NULL;
+ }
}
-bool MyConnection::OnExecute(const wxString& topic, char *data, int size, wxIPCFormat format)
+bool MyConnection::OnExecute(const wxString& WXUNUSED(topic),
+ char *data,
+ int WXUNUSED(size),
+ wxIPCFormat WXUNUSED(format))
{
- char buf[300];
- sprintf(buf, "Execute command: %s", data);
- frame->SetStatusText(buf);
- return TRUE;
+ wxLogStatus("Execute command: %s", data);
+ return TRUE;
}
-bool MyConnection::OnPoke(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format)
+bool MyConnection::OnPoke(const wxString& WXUNUSED(topic),
+ const wxString& item,
+ char *data,
+ int WXUNUSED(size),
+ wxIPCFormat WXUNUSED(format))
{
- char buf[300];
- sprintf(buf, "Poke command: %s", data);
- frame->SetStatusText(buf);
- return TRUE;
+ wxLogStatus("Poke command: %s = %s", item, data);
+ return TRUE;
}
-char *MyConnection::OnRequest(const wxString& topic, const wxString& item, int *size, wxIPCFormat format)
+char *MyConnection::OnRequest(const wxString& WXUNUSED(topic),
+ const wxString& WXUNUSED(item),
+ int * WXUNUSED(size),
+ wxIPCFormat WXUNUSED(format))
{
- return "Here, have your data, client!";
+ return "Here, have your data, client!";
}
-bool MyConnection::OnStartAdvise(const wxString& topic, const wxString& item)
+bool MyConnection::OnStartAdvise(const wxString& WXUNUSED(topic),
+ const wxString& WXUNUSED(item))
{
- return TRUE;
+ return TRUE;
}
/////////////////////////////////////////////////////////////////////////////
// Define a new application
-class MyApp: public wxApp
+class MyServer;
+class MyApp : public wxApp
{
- public:
- bool OnInit();
+public:
+ virtual bool OnInit();
+ virtual int OnExit();
+
+private:
+ MyServer *m_server;
};
DECLARE_APP(MyApp)
// Define a new frame
-class MyFrame: public wxFrame
+class MyFrame : public wxFrame
{
- public:
- wxPanel *panel;
-
- MyFrame(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size);
+public:
+ MyFrame(wxFrame *frame, const wxString& title);
- void OnCloseWindow(wxCloseEvent& event);
- void OnExit(wxCommandEvent& event);
void OnListBoxClick(wxCommandEvent& event);
-DECLARE_EVENT_TABLE()
+
+private:
+ wxPanel *panel;
+
+ DECLARE_EVENT_TABLE()
};
class IPCDialogBox;
-class MyConnection: public wxConnection
+class MyConnection : public wxConnection
{
- public:
- IPCDialogBox *dialog;
+public:
+ MyConnection(char *buf, int size);
+ ~MyConnection();
- MyConnection(char *buf, int size);
- ~MyConnection();
+ bool OnExecute(const wxString& topic, char *data, int size, wxIPCFormat format);
+ char *OnRequest(const wxString& topic, const wxString& item, int *size, wxIPCFormat format);
+ bool OnPoke(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format);
+ bool OnStartAdvise(const wxString& topic, const wxString& item);
- bool OnExecute(const wxString& topic, char *data, int size, wxIPCFormat format);
- char *OnRequest(const wxString& topic, const wxString& item, int *size, wxIPCFormat format);
- bool OnPoke(const wxString& topic, const wxString& item, char *data, int size, wxIPCFormat format);
- bool OnStartAdvise(const wxString& topic, const wxString& item);
+private:
+ IPCDialogBox *dialog;
};
class MyServer: public wxServer
class IPCDialogBox: public wxDialog
{
public:
- MyConnection *connection;
- IPCDialogBox(wxFrame *parent, const wxString& title,
- const wxPoint& pos, const wxSize& size, MyConnection *the_connection);
+ IPCDialogBox(wxWindow *parent,
+ const wxString& title,
+ const wxPoint& pos,
+ const wxSize& size,
+ MyConnection *the_connection);
void OnQuit(wxCommandEvent& event);
-DECLARE_EVENT_TABLE()
+private:
+ MyConnection *m_connection;
+
+ DECLARE_EVENT_TABLE()
};
#define SERVER_QUIT wxID_EXIT